Original Literature | Model OverView |
---|---|
Publication
Title
Silica binding and toxicity in alveolar macrophages.
Affiliation
Department of Biomedical and Pharmaceutical Sciences, Center for EnvironmentalHealth Sciences, University of Montana, 32 Campus Drive, SB 154, Missoula, MT59812, USA.
Abstract
Inhalation of the crystalline form of silica is associated with a variety ofpathologies, from acute lung inflammation to silicosis, in addition toautoimmune disorders and cancer. Basic science investigators looking at themechanisms involved with the earliest initiators of disease are focused on howthe alveolar macrophage interacts with the inhaled silica particle and theconsequences of silica-induced toxicity on the cellular level. Based onexperimental results, several rationales have been developed for exactly howcrystalline silica particles are toxic to the macrophage cell that isfunctionally responsible for clearance of the foreign particle. For example,silica is capable of producing reactive oxygen species (ROS) either directly (onthe particle surface) or indirectly (produced by the cell as a response tosilica), triggering cell-signaling pathways initiating cytokine release andapoptosis. With murine macrophages, reactive nitrogen species are produced inthe initial respiratory burst in addition to ROS. An alternative explanation forsilica toxicity includes lysosomal permeability, by which silica disrupts thenormal internalization process leading to cytokine release and cell death. Stillother research has focused on the cell surface receptors (collectively known asscavenger receptors) involved in silica binding and internalization. Thesilica-induced cytokine release and apoptosis are described as the function ofreceptor-mediated signaling rather than free radical damage. Current researchideas on silica toxicity and binding in the alveolar macrophage are reviewed anddiscussed.
PMID
18226603
|
Entity
NF-kappaB
--
MO000000058
cso30:c:Protein
cso30:i:CC_CellComponent
--
--
csml-variable:Double
m40
10
infinite
0
TRANSPATH | MO000000058 |
--
AP-1 {activated}
--
MO000000276
cso30:c:Protein
cso30:i:CC_CellComponent
--
--
csml-variable:Double
m219
10
infinite
0
TRANSPATH | MO000000276 |
--
TNF-alpha
--
MO000000289
cso30:c:Protein
cso30:i:CC_CellComponent
--
--
csml-variable:Double
m230
10
infinite
0
InterPro | IPR003636 |
TRANSPATH | MO000000289 |
--
particle derived ROS
--
MO000008272
cso30:c:Protein
cso30:i:CC_CellComponent
--
csml-variable:Double
m1063
10
infinite
0
TRANSPATH | MO000008272 |
--
IFNgamma
--
MO000016665
cso30:c:Protein
cso30:i:CC_CellComponent
--
--
csml-variable:Double
m1639
10
infinite
0
InterPro | IPR002069 |
TRANSPATH | MO000016665 |
--
phosphatidylinositide lipids
--
MO000016797
cso30:c:Protein
cso30:i:CC_CellComponent
--
--
csml-variable:Double
m1736
10
infinite
0
TRANSPATH | MO000016797 |
--
Caspase-3
--
MO000016924
cso30:c:Protein
cso30:i:CC_CellComponent
--
--
csml-variable:Double
m1839
10
infinite
0
TRANSPATH | MO000016924 |
--
Caspase-9
--
MO000016987
cso30:c:Protein
cso30:i:CC_CellComponent
--
--
csml-variable:Double
m1891
10
infinite
0
TRANSPATH | MO000016987 |
--
PKCdelta
--
MO000017065
cso30:c:Protein
cso30:i:CC_CellComponent
--
csml-variable:Double
m1957
10
infinite
0
InterPro | IPR000719 |
TRANSPATH | MO000017065 |
--
cathepsin B
--
MO000042963
cso30:c:Protein
cso30:i:CC_CellComponent
--
csml-variable:Double
m20747
10
infinite
0
TRANSPATH | MO000042963 |
--
cathepsin D {extracellular}
--
MO000081880
cso30:c:Protein
cso30:i:CC_CellComponent
--
--
csml-variable:Double
m56148
10
infinite
0
TRANSPATH | MO000081880 |
--
SR-A1
--
MO000101490
cso30:c:Protein
cso30:i:CC_CellComponent
--
csml-variable:Double
m74475
10
infinite
0
TRANSPATH | MO000101490 |
--
--
e1
cso30:c:EntityBiologicalCompartment
cso30:i:CC_PlasmaMembrane
--
--
--
csml-variable:Double
m1
0
infinite
0
--
--
e10
cso30:c:EntityBiologicalCompartment
cso30:i:CC_Cytosol
--
--
--
csml-variable:Double
m10
0
infinite
0
--
silica: SR-AII
--
e11
cso30:c:Complex
cso30:i:CC_PlasmaMembrane_IntegralToPlasmaMembrane_
--
--
csml-variable:Double
m11
0
infinite
0
--
silica: SR-A1
--
e12
cso30:c:Complex
cso30:i:CC_Cytosol
--
p11 p19 p20 p21 p23 p24 p25 p26 p27 p28 p29 p40 p43 p44 p45 p46 p47 p48 p49 p50 p51 p52 p53 p54 p55 p59 p60 p61 p62 p63 p64 p65 p66 p67 p68
csml-variable:Double
m12
0
infinite
0
--
silica: MERCO
--
e13
cso30:c:Complex
cso30:i:CC_PlasmaMembrane_InternalSideOfPlasmaMembrane_
--
csml-variable:Double
m13
0
infinite
0
--
Hsp90: MSR
--
e14
cso30:c:Complex
cso30:i:CC_PlasmaMembrane_IntegralToPlasmaMembrane_
--
--
csml-variable:Double
m14
0
infinite
0
--
Hosp70: MSR
--
e15
cso30:c:Complex
cso30:i:CC_PlasmaMembrane_IntegralToPlasmaMembrane_
--
--
csml-variable:Double
m15
0
infinite
0
--
csml-variable:Double
m16
0
infinite
0
--
titanium dioxide
--
e17
cso30:c:SmallMolecule
cso30:i:CC_Extracellular
--
csml-variable:Double
m17
0
infinite
0
--
titanium dioxide: SR-AII
--
e18
cso30:c:Complex
cso30:i:CC_PlasmaMembrane_IntegralToPlasmaMembrane_
--
--
csml-variable:Double
m18
0
infinite
0
--
titanium dioxide: SR-A1
--
e19
cso30:c:Complex
cso30:i:CC_PlasmaMembrane_IntegralToPlasmaMembrane_
--
--
csml-variable:Double
m19
0
infinite
0
--
--
e2
cso30:c:EntityBiologicalCompartment
cso30:i:CC_PlasmaMembrane_ExternalSideOfPlasmaMembrane_
--
--
--
csml-variable:Double
m2
0
infinite
0
--
titanium dioxide: MERCO
--
e20
cso30:c:Complex
cso30:i:CC_PlasmaMembrane_InternalSideOfPlasmaMembrane_
--
--
csml-variable:Double
m20
0
infinite
0
--
GAPDH: MSR
--
e21
cso30:c:Complex
cso30:i:CC_PlasmaMembrane_IntegralToPlasmaMembrane_
--
--
csml-variable:Double
m21
0
infinite
0
--
csml-variable:Double
m22
10
infinite
0
Affymetrix | 208422_at |
Ensembl | ENSG00000038945 |
HGNC | MSR1 |
InterPro | IPR003543 |
OMIM | 153622 |
PIR | A38415 |
PROSITE | PS00420 |
Proteome | HumanPSD/MSR1 |
RefSeq | NM_002445 |
TRANSPATH | MO000116148 |
Unigene | Hs.147635 |
UniProt | P21757 |
--
PKCdelta{p}
--
e23
cso30:c:Protein
cso30:i:CC_CellComponent
--
csml-variable:Double
m23
10
infinite
0
TRANSPATH | MO000048712 |
--
urokinase-type plasminogen activator
--
e24
cso30:c:mRNA
cso30:i:CC_Nucleoplasm
--
--
csml-variable:Double
m24
0
infinite
0
--
crocidolite asbestos
--
e25
cso30:c:SmallMolecule
cso30:i:CC_Extracellular
--
--
csml-variable:Double
m25
0
infinite
0
--
csml-variable:Double
m26
0
infinite
0
--
ox-LDL: SR-A1
--
e29
cso30:c:Complex
cso30:i:CC_PlasmaMembrane_IntegralToPlasmaMembrane_
--
--
csml-variable:Double
m29
0
infinite
0
--
--
e3
cso30:c:EntityBiologicalCompartment
cso30:i:CC_PlasmaMembrane_IntegralToPlasmaMembrane_
--
--
--
csml-variable:Double
m3
0
infinite
0
--
fucoidan: SR-A1
--
e30
cso30:c:Complex
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m30
0
infinite
0
--
fucoidan
--
e31
cso30:c:SmallMolecule
cso30:i:CC_Extracellular
--
--
csml-variable:Double
m31
0
infinite
0
--
cell-derived ROS
--
e32
cso30:c:Protein
cso30:i:CC_CellComponent
--
csml-variable:Double
m32
10
infinite
0
TRANSPATH | MO000008272 |
--
TLR4 ligand: TLR4
--
e33
cso30:c:Complex
cso30:i:CC_PlasmaMembrane_IntegralToPlasmaMembrane_
--
--
csml-variable:Double
m33
0
infinite
0
--
RNS
--
e34
cso30:c:SmallMolecule
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m34
0
infinite
0
--
peroxynitrite
--
e35
cso30:c:SmallMolecule
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m35
0
infinite
0
--
hydroxyl radicals
--
e36
cso30:c:SmallMolecule
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m36
0
infinite
0
--
hydrogen peroxide
--
e37
cso30:c:SmallMolecule
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m37
0
infinite
0
--
nitric oxide
--
e38
cso30:c:SmallMolecule
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m38
0
infinite
0
--
superoxide anion
--
e39
cso30:c:SmallMolecule
cso30:i:CC_Cytosol
--
csml-variable:Double
m39
0
infinite
0
--
--
e4
cso30:c:EntityBiologicalCompartment
cso30:i:CC_PlasmaMembrane_InternalSideOfPlasmaMembrane_
--
--
--
csml-variable:Double
m4
0
infinite
0
--
NF-kappaB {activated}
--
e40
cso30:c:Protein
cso30:i:CC_CellComponent
--
csml-variable:Double
m47
10
infinite
0
TRANSPATH | MO000000058 |
--
phosphatidylcholine-specific phospholipase C
--
e43
cso30:c:Protein
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m48
0
infinite
0
--
phosphatidylcholine-specific phospholipase C {activated}
--
e44
cso30:c:Protein
cso30:i:CC_Cytosol
--
csml-variable:Double
m49
0
infinite
0
--
csml-variable:Double
m63
10
infinite
0
Affymetrix | 102424_at |
Ensembl | ENSMUSG00000000982 |
MGD | Ccl3 |
Proteome | HumanPSD/Ccl3 |
RefSeq | NM_011337 |
TRANSFAC | G001238 |
Unigene | Mm.1282 |
--
MIP-2
--
e47
cso30:c:mRNA
cso30:i:CC_Nucleolus
--
--
csml-variable:Double
m65
0
infinite
0
--
MIP-2
--
e48
cso30:c:Protein
cso30:i:CC_Extracellular
--
--
csml-variable:Double
m66
0
infinite
0
--
csml-variable:Double
m67
10
infinite
0
Affymetrix | 1369_s_at |
Ensembl | ENSG00000169429 |
HGNC | IL8 |
OMIM | 146930 |
Proteome | HumanPSD/IL8 |
RefSeq | NM_000584 |
TRANSFAC | G000317 |
Unigene | Hs.551925 |
--
SR-AII
--
e5
cso30:c:Protein
cso30:i:CC_PlasmaMembrane_IntegralToPlasmaMembrane_
--
csml-variable:Double
m5
0
infinite
0
--
--
e50
cso30:c:EntityBiologicalCompartment
cso30:i:CC_NuclearEnvelopeLumen
--
--
--
csml-variable:Double
m50
0
infinite
0
--
--
e51
cso30:c:EntityBiologicalCompartment
cso30:i:CC_NuclearPore
--
--
--
csml-variable:Double
m51
0
infinite
0
--
--
e52
cso30:c:EntityBiologicalCompartment
cso30:i:CC_NuclearInnerMembrane
--
--
--
csml-variable:Double
m52
0
infinite
0
--
--
e53
cso30:c:EntityBiologicalCompartment
cso30:i:CC_NuclearLumen
--
--
--
csml-variable:Double
m53
0
infinite
0
--
--
e54
cso30:c:EntityBiologicalCompartment
cso30:i:CC_NuclearOuterMembrane
--
--
--
csml-variable:Double
m54
0
infinite
0
--
--
e55
cso30:c:EntityBiologicalCompartment
cso30:i:CC_Nucleus
--
--
--
csml-variable:Double
m55
0
infinite
0
--
--
e56
cso30:c:EntityBiologicalCompartment
cso30:i:CC_Nucleoplasm
--
--
--
csml-variable:Double
m56
0
infinite
0
--
--
e57
cso30:c:EntityBiologicalCompartment
cso30:i:CC_NuclearBody
--
--
--
csml-variable:Double
m57
0
infinite
0
--
--
e58
cso30:c:EntityBiologicalCompartment
cso30:i:CC_Nucleolus
--
--
--
csml-variable:Double
m58
0
infinite
0
--
--
e59
cso30:c:EntityBiologicalCompartment
cso30:i:CC_NuclearEnvelope
--
--
--
csml-variable:Double
m59
0
infinite
0
--
silica
--
e6
cso30:c:SmallMolecule
cso30:i:CC_Extracellular
--
csml-variable:Double
m6
0
infinite
0
--
--
e60
cso30:c:EntityBiologicalCompartment
cso30:i:CC_Chromatin
--
--
--
csml-variable:Double
m60
0
infinite
0
--
--
e61
cso30:c:EntityBiologicalCompartment
cso30:i:CC_NuclearChromosome
--
--
--
csml-variable:Double
m61
0
infinite
0
--
--
e62
cso30:c:EntityBiologicalCompartment
cso30:i:CC_NuclearCentromere
--
--
--
csml-variable:Double
m62
0
infinite
0
--
dipalmitoyl lecithin
--
e63
cso30:c:SmallMolecule
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m68
0
infinite
0
--
iron
--
e64
cso30:c:SmallMolecule
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m69
0
infinite
0
--
ammonium chloride
--
e65
cso30:c:SmallMolecule
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m70
0
infinite
0
--
surfactant protein
--
e66
cso30:c:Protein
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m71
0
infinite
0
--
phospholipids
--
e67
cso30:c:SmallMolecule
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m72
0
infinite
0
--
SP-A
--
e68
cso30:c:Protein
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m73
0
infinite
0
--
SP-D
--
e69
cso30:c:Protein
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m74
0
infinite
0
--
--
e7
cso30:c:EntityBiologicalCompartment
cso30:i:CC_Cell
--
--
--
csml-variable:Double
m7
0
infinite
0
--
vitamin E
--
e70
cso30:c:SmallMolecule
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m75
0
infinite
0
--
phosphatidyl glycerol
--
e71
cso30:c:SmallMolecule
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m76
0
infinite
0
--
2F-8
--
e72
cso30:c:Protein
cso30:i:CC_Extracellular
--
--
csml-variable:Double
m77
0
infinite
0
--
2F-8: SR-A1
--
e73
cso30:c:Complex
cso30:i:CC_PlasmaMembrane_IntegralToPlasmaMembrane_
--
csml-variable:Double
m78
0
infinite
0
--
Caspases {activated}
--
e74
cso30:c:Protein
cso30:i:CC_CellComponent
--
--
csml-variable:Double
m79
10
infinite
0
TRANSPATH | MO000016907 |
--
MnSOD
--
e75
cso30:c:Protein
cso30:i:CC_Cytosol
--
--
csml-variable:Double
m80
0
infinite
0
--
glutathione peroxidase
--
e76
cso30:c:mRNA
cso30:i:CC_Nucleoplasm
--
--
csml-variable:Double
m81
0
infinite
0
--
N-acetylcysteine
--
e77
cso30:c:SmallMolecule
cso30:i:CC_Cytosol
--
csml-variable:Double
m82
0
infinite
0
--
Caspase-3 {activated}
--
e78
cso30:c:Protein
cso30:i:CC_CellComponent
--
csml-variable:Double
m83
10
infinite
0
TRANSPATH | MO000016924 |
--
IFNgamma {intracellular}
--
e79
cso30:c:Protein
cso30:i:CC_CellComponent
--
--
csml-variable:Double
m84
10
infinite
0
InterPro | IPR002069 |
TRANSPATH | MO000016665 |
--
--
e8
cso30:c:EntityBiologicalCompartment
cso30:i:CC_Cell_WithoutCellWall_
--
--
--
csml-variable:Double
m8
0
infinite
0
--
A-SMase {activated}
--
e81
cso30:c:Protein
cso30:i:CC_CellComponent
--
--
csml-variable:Double
m86
10
infinite
0
InterPro | IPR008139 |
TRANSPATH | MO000017824 |
--
Caspase-9{activated}
--
e82
cso30:c:Protein
cso30:i:CC_CellComponent
--
csml-variable:Double
m87
10
infinite
0
TRANSPATH | MO000016987 |
--
--
e9
cso30:c:EntityBiologicalCompartment
cso30:i:CC_Cytoplasm
--
--
--
csml-variable:Double
m9
0
infinite
0
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c1 : 1
stoichiometry:c3 : 1
stoichiometry:c2 : 1
m6*0.1
nodelay
--
0
PMID: 18226603, 11899233, 7541421 The SR most associated with AM silica binding are SR-AI, SR-AII, and MARCO.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c23 : 1
stoichiometry:c28 : 1
stoichiometry:c29 : 1
m41219*m22*0.1
nodelay
--
0
PMID: 18226603, 11785981 One study, using a synthetic bovine SR-A construct, demonstrated that heat-shock proteins HSP90 and HSP70, in addition to glyceraldehyde-3-phosphate dehydrogenase, bound to the cytoplasmic N-terminus of the SR.
p11
p11
cso30:i:ME_Phosphorylation
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c30 : 1
stoichiometry:c31 : 1
stoichiometry:c32 : 1
m12*m1957*0.1
nodelay
--
0
PMID: 18226603, 9422792 Hsu et al. found that SR-A ligand-induced tyrosine phosphorylation followed by activation of protein kinase C (PKC) resulted in urokinase-type plasminogen activator expression in THP-1 cells.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c33 : 1
stoichiometry:c34 : 1
m23*0.1
nodelay
--
0
PMID: 18226603, 9422792 Hsu et al. found that SR-A ligand-induced tyrosine phosphorylation followed by activation of protein kinase C (PKC) resulted in urokinase-type plasminogen activator expression in THP-1 cells.
p13
p13
cso30:i:ME_Phosphorylation
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c35 : 1
stoichiometry:c37 : 1
stoichiometry:c36 : 1
m1957*m25*0.1
nodelay
--
0
PMID: 18226603, 12626342 In a related topic, crocidolite asbestos has also been shown to trigger the PKC (delta isoform specific) pathway leading to apoptosis, but it was not linked with SR activation.
PMID: 18226603, 12626342 In a related topic, crocidolite asbestos has also been shown to trigger the PKC (delta isoform specific) pathway leading to apoptosis, but it was not linked with SR activation.
p15
p15
cso30:i:ME_Phosphorylation
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c39 : 1
stoichiometry:c41 : 1
stoichiometry:c40 : 1
m74475*m28*0.1
nodelay
--
0
PMID: 18226603, 10593991 Fong and Le identified serine phosphorylation after ac-LDL stimulation that could be disrupted using SR-A receptor mutants on CHO and COS cells at the Ser49 and Asp25 amino acid sites.
p16
p16
cso30:i:ME_Binding
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c42 : 1
stoichiometry:c43 : 1
stoichiometry:c44 : 1
m74475*m341431*0.1
nodelay
--
0
PMID: 18226603, 11390374 In a study by Hsu et al., it was demonstrated that two different SR-A ligands (ox-LDL and fucoidan) could trigger differential cell responses using slightly different protein kinase signaling pathways.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c45 : 1
stoichiometry:c46 : 1
stoichiometry:c47 : 1
m31*m74475*0.1
nodelay
--
0
PMID: 18226603, 11390374 In a study by Hsu et al., it was demonstrated that two different SR-A ligands (ox-LDL and fucoidan) could trigger differential cell responses using slightly different protein kinase signaling pathways.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c49 : 1
stoichiometry:c48 : 1
m33*0.1
nodelay
--
0
PMID: 18226603, 15218052 For example, the presence of TLR-4 has been shown to be important for the induction of MARCO expression using TLR-4 mutant mice.
p19
p19
cso30:i:ME_GeneExpression
cso30:i:CC_Nucleoplasm
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c51 : 1
stoichiometry:c56 : 1
stoichiometry:c58 : 1
stoichiometry:c54 : 1
m155666*m13*0.1
nodelay
--
0
PMID: 18226603, 16339540 In addition, MARCO-null mice were associated with inhibited IL-12 production, whereas SR-A-null mice were associated with enhanced IL-12 production compared to wild-type mice in response to lipopolysaccharide (LPS) or IFN-gamma.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c4 : 1
stoichiometry:c5 : 1
stoichiometry:c6 : 1
m6*m74475*0.1
nodelay
--
0
PMID: 18226603, 11899233, 7541421 The SR most associated with AM silica binding are SR-AI, SR-AII, and MARCO.
p20
p20
cso30:i:ME_GeneExpression
cso30:i:CC_Nucleoplasm
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c50 : 1
stoichiometry:c60 : 1
stoichiometry:c59 : 1
m1639*0.1
nodelay
--
0
PMID: 18226603, 16339540 In addition, MARCO-null mice were associated with inhibited IL-12 production, whereas SR-A-null mice were associated with enhanced IL-12 production compared to wild-type mice in response to lipopolysaccharide (LPS) or IFN-gamma.
p21
p21
cso30:i:ME_Translation
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c53 : 1
stoichiometry:c55 : 1
stoichiometry:c57 : 1
stoichiometry:c52 : 1
m93589*m13*0.1
nodelay
--
0
PMID: 18226603, 16339540 In addition, MARCO-null mice were associated with inhibited IL-12 production, whereas SR-A-null mice were associated with enhanced IL-12 production compared to wild-type mice in response to lipopolysaccharide (LPS) or IFN-gamma.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c61 : 1
stoichiometry:c62 : 1
m6*0.1
nodelay
--
0
PMID: 18226603, 11570673 Adhesion protein ICAM-1, although not directly involved in silica uptake, is upregulated on AM and other cell types with in vivo and in vitro silica exposure and believed to initiate the inflammatory PMN influx into the lungs.
p23
p23
cso30:i:ME_UnknownProduction
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c67 : 1
stoichiometry:c162 : 1
stoichiometry:c63 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 12788471 There are several possible sources of free radicals resulting from silica internalization, including particle-derived reactive oxygen species (ROS), cell-derived ROS and reactive nitrogen species (RNS), and the interaction of particle- and cell-derived free radicals producing peroxynitrite (ONOOO2radical) from nitric oxide (NOradical) and superoxide anion (O2radical) PMID: 18226603, 10516215 It was also noted in this study that the GSH precursor (N-acetylcysteine) decreased ROS formation, resulting in reduced membrane permeability changes and DNA damage.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c68 : 1
stoichiometry:c161 : 1
stoichiometry:c64 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 12788471 There are several possible sources of free radicals resulting from silica internalization, including particle-derived reactive oxygen species (ROS), cell-derived ROS and reactive nitrogen species (RNS), and the interaction of particle- and cell-derived free radicals producing peroxynitrite (ONOOO2radical) from nitric oxide (NOradical) and superoxide anion (O2radical) PMID: 18226603, 10516215 It was also noted in this study that the GSH precursor (N-acetylcysteine) decreased ROS formation, resulting in reduced membrane permeability changes and DNA damage.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c69 : 1
stoichiometry:c65 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 12788471 There are several possible sources of free radicals resulting from silica internalization, including particle-derived reactive oxygen species (ROS), cell-derived ROS and reactive nitrogen species (RNS), and the interaction of particle- and cell-derived free radicals producing peroxynitrite (ONOOO2radical) from nitric oxide (NOradical) and superoxide anion (O2radical)
p26
p26
cso30:i:ME_UnknownProduction
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c70 : 1
stoichiometry:c75 : 1
stoichiometry:c76 : 1
stoichiometry:c79 : 1
stoichiometry:c80 : 1
stoichiometry:c66 : 1
m12*m38*m39*m1063*m32*0.1
nodelay
--
0
PMID: 18226603, 12788471 There are several possible sources of free radicals resulting from silica internalization, including particle-derived reactive oxygen species (ROS), cell-derived ROS and reactive nitrogen species (RNS), and the interaction of particle- and cell-derived free radicals producing peroxynitrite (ONOOO2radical) from nitric oxide (NOradical) and superoxide anion (O2radical)
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c71 : 1
stoichiometry:c73 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 7705309 In addition, the AM process of silica phagocytosis has been reported to produce O2radical, hydrogen peroxide (H2O2), and hydroxyl radicals (HOradical)
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c72 : 1
stoichiometry:c74 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 7705309 In addition, the AM process of silica phagocytosis has been reported to produce O2radical, hydrogen peroxide (H2O2), and hydroxyl radicals (HOradical)
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c77 : 1
stoichiometry:c127 : 1
stoichiometry:c78 : 1
m12*m69*0.1
nodelay
--
0
PMID: 18226603, 7705309 In addition, the AM process of silica phagocytosis has been reported to produce O2radical, hydrogen peroxide (H2O2), and hydroxyl radicals (HOradical) PMID: 18226603 The hydroxyl radical is the most potentially damaging ROS (due to very short half-life, high reactivity, and lack of effective elimination) to the lung, but it is produced to any significant degree only in the presence of contaminants such as iron (Fenton reaction).
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c8 : 1
stoichiometry:c11 : 1
stoichiometry:c7 : 1
m6*m16*0.1
nodelay
--
0
PMID: 18226603, 11899233, 7541421 The SR most associated with AM silica binding are SR-AI, SR-AII, and MARCO. PMID: 18226603, 17405873 Ojala et al. propose that multiple MARCO receptors can group together on the surface of the cell, allowing the SRCR regions to dimerize or oligomerize, creating a much larger binding surface area that is capable of binding physically large ligands such as silica and bacteria.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c82 : 1
stoichiometry:c164 : 1
m1063*0.1
nodelay
--
0
PMID: 18226603, 8603472, 8394268, 7705289 Evidence strongly suggests that silica-derived ROS are directly responsible for in vitro DNA damage [81], [82] and [83], various morphological changes including apoptosis in in vitro cell cultures [79], [84] and [85], and acute lung damage in vivo. PMID: 18226603, 10516215 It was also noted in this study that the GSH precursor (N-acetylcysteine) decreased ROS formation, resulting in reduced membrane permeability changes and DNA damage.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c163 : 1
stoichiometry:c81 : 1
m32*0.1
nodelay
--
0
PMID: 18226603, 8603472, 8394268, 7705289 Evidence strongly suggests that silica-derived ROS are directly responsible for in vitro DNA damage [81], [82] and [83], various morphological changes including apoptosis in in vitro cell cultures [79], [84] and [85], and acute lung damage in vivo. PMID: 18226603, 10516215 It was also noted in this study that the GSH precursor (N-acetylcysteine) decreased ROS formation, resulting in reduced membrane permeability changes and DNA damage.
PMID: 18226603, 11570678, 10963957, 15242185 Evidence strongly suggests that silica-derived ROS are directly responsible for in vitro DNA damage [81], [82] and [83], various morphological changes including apoptosis in in vitro cell cultures [79], [84] and [85], and acute lung damage in vivo.
PMID: 18226603, 11570678, 10963957, 15242185 Evidence strongly suggests that silica-derived ROS are directly responsible for in vitro DNA damage [81], [82] and [83], various morphological changes including apoptosis in in vitro cell cultures [79], [84] and [85], and acute lung damage in vivo.
p34
p34
cso30:i:ME_UnknownActivation
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c91 : 1
stoichiometry:c92 : 1
stoichiometry:c103 : 1
m23*m40*0.1
nodelay
--
0
PMID: 18226603 For example, SR may be the way silica binds to the AM initially, followed by particle endocytosis complete with a respiratory burst creating ROS and RNS, followed by PKC-mediated MAP kinase signaling cascades resulting in AP-1 and NF-kappaB activation, which ultimately results in cytokine release (IL-1beta, MIP-1, MCP-1, and TNF-alpha).
p35
p35
cso30:i:ME_Phosphorylation
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c87 : 1
stoichiometry:c85 : 1
stoichiometry:c88 : 1
m41*m23*0.1
nodelay
--
0
PMID: 18226603, 10471390 For example, silica-induced free radicals activated MEK and ERK phosphorylation in a rat fibroblast cell line. PMID: 18226603 For example, SR may be the way silica binds to the AM initially, followed by particle endocytosis complete with a respiratory burst creating ROS and RNS, followed by PKC-mediated MAP kinase signaling cascades resulting in AP-1 and NF-kappaB activation, which ultimately results in cytokine release (IL-1beta, MIP-1, MCP-1, and TNF-alpha).
p36
p36
cso30:i:ME_Phosphorylation
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c89 : 1
stoichiometry:c86 : 1
stoichiometry:c90 : 1
m42*m23*0.1
nodelay
--
0
PMID: 18226603, 10471390 For example, silica-induced free radicals activated MEK and ERK phosphorylation in a rat fibroblast cell line. PMID: 18226603 For example, SR may be the way silica binds to the AM initially, followed by particle endocytosis complete with a respiratory burst creating ROS and RNS, followed by PKC-mediated MAP kinase signaling cascades resulting in AP-1 and NF-kappaB activation, which ultimately results in cytokine release (IL-1beta, MIP-1, MCP-1, and TNF-alpha).
p37
p37
cso30:i:ME_UnknownActivation
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c93 : 1
stoichiometry:c95 : 1
stoichiometry:c94 : 1
m43*m16522*0.1
nodelay
--
0
PMID: 18226603, 10521445 Luciferase reporter mice have also been used to show AP-1 activation in vivo after silica inhalation through ERK and p38 MAPK signaling pathways.
p38
p38
cso30:i:ME_UnknownActivation
cso30:i:CC_Nucleoplasm
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c96 : 1
stoichiometry:c97 : 1
stoichiometry:c102 : 1
stoichiometry:c98 : 1
m44*m27*m46*0.1
nodelay
--
0
PMID: 18226603, 10521445 Luciferase reporter mice have also been used to show AP-1 activation in vivo after silica inhalation through ERK and p38 MAPK signaling pathways. PMID: 18226603, 11280724 In vitro evidence for silica-initiated oxidative stress-induced AP-1 activation associated with JNK signaling, via c-Jun-NH2-terminal amino kinases, can be found in Shukla et al. PMID: 18226603 For example, SR may be the way silica binds to the AM initially, followed by particle endocytosis complete with a respiratory burst creating ROS and RNS, followed by PKC-mediated MAP kinase signaling cascades resulting in AP-1 and NF-kappaB activation, which ultimately results in cytokine release (IL-1beta, MIP-1, MCP-1, and TNF-alpha).
p39
p39
cso30:i:ME_UnknownActivation
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c99 : 1
stoichiometry:c100 : 1
stoichiometry:c101 : 1
m16521*m45*0.1
nodelay
--
0
PMID: 18226603, 11280724 In vitro evidence for silica-initiated oxidative stress-induced AP-1 activation associated with JNK signaling, via c-Jun-NH2-terminal amino kinases, can be found in Shukla et al.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c9 : 1
stoichiometry:c10 : 1
m20155*0.1
nodelay
--
0
PMID: 18226603, 17405873 Ojala et al. propose that multiple MARCO receptors can group together on the surface of the cell, allowing the SRCR regions to dimerize or oligomerize, creating a much larger binding surface area that is capable of binding physically large ligands such as silica and bacteria.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c104 : 1
stoichiometry:c106 : 1
stoichiometry:c105 : 1
m48*m12*0.1
nodelay
--
0
PMID: 18226603, 17158358 In a rat AM model, Liu et al. demonstrated that TNF-alpha and IL-1beta release after silica exposure was mediated through phosphatidylcholine-specific phospholipase C regulated in a redox-dependent fashion.
p41
p41
cso30:i:ME_Translation
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c109 : 1
stoichiometry:c111 : 1
stoichiometry:c113 : 1
stoichiometry:c107 : 1
m93309*m49*m47*0.1
nodelay
--
0
PMID: 18226603, 17158358 In a rat AM model, Liu et al. demonstrated that TNF-alpha and IL-1beta release after silica exposure was mediated through phosphatidylcholine-specific phospholipase C regulated in a redox-dependent fashion. PMID: 18226603 For example, SR may be the way silica binds to the AM initially, followed by particle endocytosis complete with a respiratory burst creating ROS and RNS, followed by PKC-mediated MAP kinase signaling cascades resulting in AP-1 and NF-kappaB activation, which ultimately results in cytokine release (IL-1beta, MIP-1, MCP-1, and TNF-alpha).
p42
p42
cso30:i:ME_Translation
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c110 : 1
stoichiometry:c112 : 1
stoichiometry:c114 : 1
stoichiometry:c108 : 1
m93364*m49*m47*0.1
nodelay
--
0
PMID: 18226603, 17158358 In a rat AM model, Liu et al. demonstrated that TNF-alpha and IL-1beta release after silica exposure was mediated through phosphatidylcholine-specific phospholipase C regulated in a redox-dependent fashion. PMID: 18226603 For example, SR may be the way silica binds to the AM initially, followed by particle endocytosis complete with a respiratory burst creating ROS and RNS, followed by PKC-mediated MAP kinase signaling cascades resulting in AP-1 and NF-kappaB activation, which ultimately results in cytokine release (IL-1beta, MIP-1, MCP-1, and TNF-alpha).
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c116 : 1
stoichiometry:c123 : 1
stoichiometry:c115 : 1
m63*m12*0.1
nodelay
--
0
PMID: 18226603, 10438654, 9747602 The inflammatory cytokines most commonly associated with silica-induced free radicals are TNF-alpha, IL-1beta, MIP-1, MIP-2, MCP-1 [103], and IL-8 (after TNF-alpha priming) [104].
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c117 : 1
stoichiometry:c124 : 1
stoichiometry:c118 : 1
m65*m12*0.1
nodelay
--
0
PMID: 18226603, 10438654, 9747602 The inflammatory cytokines most commonly associated with silica-induced free radicals are TNF-alpha, IL-1beta, MIP-1, MIP-2, MCP-1 [103], and IL-8 (after TNF-alpha priming) [104].
p45
p45
cso30:i:ME_Translation
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c120 : 1
stoichiometry:c125 : 1
stoichiometry:c119 : 1
m93710*m12*0.1
nodelay
--
0
PMID: 18226603, 10438654, 9747602 The inflammatory cytokines most commonly associated with silica-induced free radicals are TNF-alpha, IL-1beta, MIP-1, MIP-2, MCP-1 [103], and IL-8 (after TNF-alpha priming) [104].
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c122 : 1
stoichiometry:c126 : 1
stoichiometry:c121 : 1
m67*m12*0.1
nodelay
--
0
PMID: 18226603, 10438654, 9747602 The inflammatory cytokines most commonly associated with silica-induced free radicals are TNF-alpha, IL-1beta, MIP-1, MIP-2, MCP-1 [103], and IL-8 (after TNF-alpha priming) [104].
p47
p47
cso30:i:ME_UnknownProduction
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c130 : 1
stoichiometry:c132 : 1
stoichiometry:c128 : 1
1.0*0.1
nodelay
--
0
PMID: 18226603, 8277518 The untreated silica caused a significant reduction in lysosomal enzyme (cathepsin B) activity that was inhibited by silica pretreatment with dipalmitoyl lecithin or the presence of ammonium chloride.
p48
p48
cso30:i:ME_UnknownProduction
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c131 : 1
stoichiometry:c133 : 1
stoichiometry:c129 : 1
1.0*0.1
nodelay
--
0
PMID: 18226603, 8277518 The untreated silica caused a significant reduction in lysosomal enzyme (cathepsin B) activity that was inhibited by silica pretreatment with dipalmitoyl lecithin or the presence of ammonium chloride.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c140 : 1
stoichiometry:c134 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 12781626, 11275417 Several other studies found silica-induced increases in PL and SP [17] and [18], including specific increases in SP-A [19] and [20], SP-D [19] and [21], vitamin E [22], and phosphatidyl inositol [23].
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c12 : 1
stoichiometry:c15 : 1
stoichiometry:c19 : 1
m17*m5*0.1
nodelay
--
0
PMID: 18226603, 7541421 Another unresolved issue with the receptor-mediated hypothesis is that nontoxic particles such as titanium dioxide are known to bind to the same receptors without triggering the death response.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c141 : 1
stoichiometry:c135 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 12781626, 11275417 Several other studies found silica-induced increases in PL and SP [17] and [18], including specific increases in SP-A [19] and [20], SP-D [19] and [21], vitamin E [22], and phosphatidyl inositol [23].
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c142 : 1
stoichiometry:c136 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 10969075, 10749748, 12611476 Several other studies found silica-induced increases in PL and SP [17] and [18], including specific increases in SP-A [19] and [20], SP-D [19] and [21], vitamin E [22], and phosphatidyl inositol [23].
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c143 : 1
stoichiometry:c137 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 10969075, 10749748, 12611476 Several other studies found silica-induced increases in PL and SP [17] and [18], including specific increases in SP-A [19] and [20], SP-D [19] and [21], vitamin E [22], and phosphatidyl inositol [23].
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c144 : 1
stoichiometry:c138 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 8968411, 11218049 Several other studies found silica-induced increases in PL and SP [17] and [18], including specific increases in SP-A [19] and [20], SP-D [19] and [21], vitamin E [22], and phosphatidyl inositol [23].
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c145 : 1
stoichiometry:c139 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 8968411, 11218049 Several other studies found silica-induced increases in PL and SP [17] and [18], including specific increases in SP-A [19] and [20], SP-D [19] and [21], vitamin E [22], and phosphatidyl inositol [23].
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c147 : 1
stoichiometry:c146 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 11218049 In contrast, Seiler et al. found a dose-dependent decrease in phosphatidyl glycerol in response to silica.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c148 : 1
stoichiometry:c149 : 1
stoichiometry:c150 : 1
m74475*m77*0.1
nodelay
--
0
PMID: 18226603, 11437644 Further evidence from the same group determined that the SR-A blocking antibody (2F-8) could significantly attenuate caspase activity after silica exposure in murine MH-S cells.
p57
p57
cso30:i:ME_UnknownActivation
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c151 : 1
stoichiometry:c153 : 1
stoichiometry:c152 : 1
m1822*0.1
nodelay
--
0
PMID: 18226603, 11437644 Further evidence from the same group determined that the SR-A blocking antibody (2F-8) could significantly attenuate caspase activity after silica exposure in murine MH-S cells.
PMID: 18226603, 16984918 Studies using MARCO¡Ý/¡Ý, SR-AI/II¡Ý/¡Ý, and CD36¡Ý/¡Ý single and double null combinations on the C57BL/6 mouse model demonstrated that MARCO was exclusively associated with in vitro silica-induced AM apoptosis and cytotoxicity, in addition to silica binding and uptake.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c156 : 1
stoichiometry:c160 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 1323223, 1316905 Further evidence for silica-induced ROS in rat model lungs comes from observed increases in antioxidant enzymes such as manganese superoxide dismutase (MnSOD) from type II epithelial cells [90], along with increased SOD and glutathione peroxidase mRNA in rat lungs after silica inhalation.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c13 : 1
stoichiometry:c17 : 1
stoichiometry:c16 : 1
m17*m74475*0.1
nodelay
--
0
PMID: 18226603, 7541421 Another unresolved issue with the receptor-mediated hypothesis is that nontoxic particles such as titanium dioxide are known to bind to the same receptors without triggering the death response.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c157 : 1
stoichiometry:c158 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 1323223, 1316905 Further evidence for silica-induced ROS in rat model lungs comes from observed increases in antioxidant enzymes such as manganese superoxide dismutase (MnSOD) from type II epithelial cells [90], along with increased SOD and glutathione peroxidase mRNA in rat lungs after silica inhalation.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c155 : 1
stoichiometry:c159 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 1323223, 1316905 Further evidence for silica-induced ROS in rat model lungs comes from observed increases in antioxidant enzymes such as manganese superoxide dismutase (MnSOD) from type II epithelial cells [90], along with increased SOD and glutathione peroxidase mRNA in rat lungs after silica inhalation.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c166 : 1
stoichiometry:c165 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 15893544 Both ex vivo exposures of AM and in vitro exposures of bone-marrow-derived macrophages to silica in the murine model have shown increased (relative to basal production) lymphocyte cytokines (IL-13 and IFN-gamma) using an antigen-presenting cell (APC) assay in macrophage/lymphocyte cocultures.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c167 : 1
stoichiometry:c168 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 15893544 Both ex vivo exposures of AM and in vitro exposures of bone-marrow-derived macrophages to silica in the murine model have shown increased (relative to basal production) lymphocyte cytokines (IL-13 and IFN-gamma) using an antigen-presenting cell (APC) assay in macrophage/lymphocyte cocultures. PMID: 18226603, 11570676 This result was supported by another study using human AM exposed in vitro to silica, resulting in increased lymphocyte cytokines (IL-4 and IFN-gamma), using a human APC cell culture model.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c170 : 1
stoichiometry:c169 : 1
m12*0.1
nodelay
--
0
PMID: 18226603, 11570676 This result was supported by another study using human AM exposed in vitro to silica, resulting in increased lymphocyte cytokines (IL-4 and IFN-gamma), using a human APC cell culture model.
p65
p65
cso30:i:ME_Translocation
cso30:i:CC_PlasmaMembrane_IntegralToPlasmaMembrane_
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c171 : 1
stoichiometry:c173 : 1
stoichiometry:c172 : 1
m85*m12*0.1
nodelay
--
0
PMID: 18226603, 12857937 This study concluded that the apoptotic signaling pathway involved lysosomal leakage resulting in cathepsin D release, and acidic sphingomyelinase activation, which preceded the mitochondrial depolarization and caspase 3 and 9 activation (reported earlier by the same group) caused by silica exposure.
p66
p66
cso30:i:ME_UnknownActivation
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c174 : 1
stoichiometry:c180 : 1
stoichiometry:c175 : 1
m2576*m12*0.1
nodelay
--
0
PMID: 18226603, 12857937 This study concluded that the apoptotic signaling pathway involved lysosomal leakage resulting in cathepsin D release, and acidic sphingomyelinase activation, which preceded the mitochondrial depolarization and caspase 3 and 9 activation (reported earlier by the same group) caused by silica exposure.
p67
p67
cso30:i:ME_UnknownActivation
cso30:i:CC_Cytosol
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c176 : 1
stoichiometry:c181 : 1
stoichiometry:c177 : 1
m1839*m12*0.1
nodelay
--
0
PMID: 18226603, 12857937 This study concluded that the apoptotic signaling pathway involved lysosomal leakage resulting in cathepsin D release, and acidic sphingomyelinase activation, which preceded the mitochondrial depolarization and caspase 3 and 9 activation (reported earlier by the same group) caused by silica exposure.
p68
p68
cso30:i:ME_UnknownActivation
cso30:i:CC_Extracellular
--
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c178 : 1
stoichiometry:c182 : 1
stoichiometry:c179 : 1
m1891*m12*0.1
nodelay
--
0
PMID: 18226603, 12857937 This study concluded that the apoptotic signaling pathway involved lysosomal leakage resulting in cathepsin D release, and acidic sphingomyelinase activation, which preceded the mitochondrial depolarization and caspase 3 and 9 activation (reported earlier by the same group) caused by silica exposure.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c183 : 1
stoichiometry:c184 : 1
m83*m87*0.1
nodelay
--
0
PMID: 18226603 This then leads to mitochondrial depolarization, caspase 3 and caspase 9 activation, and apoptosis.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c14 : 1
stoichiometry:c18 : 1
stoichiometry:c20 : 1
m17*m20155*0.1
nodelay
--
0
PMID: 18226603, 7541421 Another unresolved issue with the receptor-mediated hypothesis is that nontoxic particles such as titanium dioxide are known to bind to the same receptors without triggering the death response.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c21 : 1
stoichiometry:c26 : 1
stoichiometry:c27 : 1
m5516*m22*0.1
nodelay
--
0
PMID: 18226603, 11785981 One study, using a synthetic bovine SR-A construct, demonstrated that heat-shock proteins HSP90 and HSP70, in addition to glyceraldehyde-3-phosphate dehydrogenase, bound to the cytoplasmic N-terminus of the SR.
--
and
mass
coefficient1:0.1
coefficient2:1.0
stoichiometry:c22 : 1
stoichiometry:c24 : 1
stoichiometry:c25 : 1
m5956*m22*0.1
nodelay
--
0
PMID: 18226603, 11785981 One study, using a synthetic bovine SR-A construct, demonstrated that heat-shock proteins HSP90 and HSP70, in addition to glyceraldehyde-3-phosphate dehydrogenase, bound to the cytoplasmic N-terminus of the SR.
cso30:c:InputProcess
threshold
--
0
1,
--
cso30:c:OutputProcess
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:OutputProcess
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputProcess
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputProcess
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:OutputProcess
threshold
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cso30:c:InputInhibitor
threshold
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cso30:c:InputInhibitor
threshold
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cso30:c:InputInhibitor
threshold
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cso30:c:InputInhibitor
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
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0
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cso30:c:InputAssociation
threshold
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0
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cso30:c:InputAssociation
threshold
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cso30:c:InputAssociation
threshold
--
0
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cso30:c:InputProcess
threshold
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cso30:c:InputProcess
threshold
--
0
1,
--
cso30:c:OutputProcess
threshold
--
0
1,
--
cso30:c:InputProcess
threshold
--
0
1,
--
cso30:c:InputInhibitor
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputInhibitor
threshold
--
0
1,
--
cso30:c:InputInhibitor
threshold
--
0
1,
--
cso30:c:InputInhibitor
threshold
--
0
1,
--
cso30:c:InputInhibitor
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:OutputProcess
threshold
--
0
1,
--
cso30:c:InputProcess
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:OutputProcess
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputProcess
threshold
--
0
1,
--
cso30:c:OutputProcess
threshold
--
0
1,
--
cso30:c:OutputProcess
threshold
--
0
1,
--
cso30:c:InputProcess
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputProcess
threshold
--
0
1,
--
cso30:c:OutputProcess
threshold
--
0
1,
--
cso30:c:InputProcess
threshold
--
0
1,
--
cso30:c:OutputProcess
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:OutputProcess
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputProcess
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputProcess
threshold
--
0
1,
--
cso30:c:OutputProcess
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputProcess
threshold
--
0
1,
--
cso30:c:OutputProcess
threshold
--
0
1,
--
cso30:c:InputProcess
threshold
--
0
1,
--
cso30:c:OutputProcess
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:OutputProcess
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputInhibitor
threshold
--
0
1,
--
cso30:c:InputInhibitor
threshold
--
0
1,
--
cso30:c:OutputProcess
threshold
--
0
1,
--
cso30:c:InputInhibitor
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputProcess
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--
cso30:c:InputProcess
threshold
--
0
1,
--
cso30:c:InputAssociation
threshold
--
0
1,
--