Protein Information

Name caspase (protein family or complex)
Synonyms caspase; caspases

Compound Information

Name parathion
CAS

Reference List

PubMed Abstract RScore(About this table)
12518333 Saleh AM, Vijayasarathy C, Fernandez-Cabezudo M, Taleb M, Petroianu G: Influence of paraoxon (POX) and parathion (PAT) on apoptosis: a possible mechanism for toxicity in low-dose exposure. J Appl Toxicol. 2003 Jan-Feb;23(1):23-9.

We examined cellular responses, including induction of apoptosis, involvement of a caspase cascade, the activity of effector caspase (caspase-3) and the biochemical and morphological changes that are the hallmarks of classical apoptosis.
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19911945 Fukuyama T, Tajima Y, Ueda H, Hayashi K, Shutoh Y, Harada T, Kosaka T: Apoptosis in immunocytes induced by several types of pesticides. J Immunotoxicol. 2010 Mar;7(1):39-56.

Thymocytes and J45.01 cells were treated for 4 or 8 hr with varying doses of metamidophos, parathion, PNMC, or methoxychlor; dexamethasone was used as a positive control.
Apoptosis, cell viability, the proportion of Annexin-V+ cells, the activities of caspases 3/7, 8, and 9, and the levels of DNA fragmentation in both the J45.01 cells and thymocytes were then examined.
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11032765 Carlson K, Jortner BS, Ehrich M: Organophosphorus compound-induced apoptosis in SH-SY5Y human neuroblastoma cells. Toxicol Appl Pharmacol. 2000 Oct 15;168(2):102-13.

Pretreatment with the serine protease inhibitor phenylmethyl sulfonyl fluoride (PMSF; 1 mM, 8 h) also significantly decreased caspase activation following 1 mM PSP and TOTP exposures (p < 0.05).
Hoechst staining revealed significant paraoxon (1 mM), parathion (1 mM), phenyl saligenin phosphate (PSP, 10 and 100 microM), tri-ortho-tolyl phosphate (TOTP, 100 microM and 1 mM), and triphenyl phosphite (TPPi, 1 mM) induced time-dependent increases in traditional apoptosis (p < 0.05).
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12831782 Saleh AM, Vijayasarathy C, Masoud L, Kumar L, Shahin A, Kambal A: Paraoxon induces apoptosis in EL4 cells via activation of mitochondrial pathways. Toxicol Appl Pharmacol. 2003 Jul 1;190(1):47-57.

Recently, we have shown that, at noncholinergic doses (1 to 10 nM), POX (the bioactive metabolite of parathion) causes apoptotic cell death in murine EL4 T-lymphocytic leukemia cell line through activation of caspase-3.
In this study, by employing caspase-specific inhibitors, we extend our observations to elucidate the sequence of events involved in POX-stimulated apoptosis.
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