Title : The JNK/AP1/ATF2 pathway is involved in H2O2-induced acetylcholinesterase expression during apoptosis.

Pub. Date : 2008 May

PMID : 18385943






6 Functional Relationships(s)
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1 We show that H2O2 increases acetylcholinesterase (AChE) expression via transcriptional activation through c-Jun N-terminal kinase (JNK), since the JNK inhibitor SP600125, but not the extracellular signal-regulated kinase (ERK) pathway inhibitor PD98059 or p38 kinase inhibitor SB203580, attenuated H2O2-induced AChE expression and its promoter activity. Hydrogen Peroxide acetylcholinesterase (Cartwright blood group) Homo sapiens
2 We show that H2O2 increases acetylcholinesterase (AChE) expression via transcriptional activation through c-Jun N-terminal kinase (JNK), since the JNK inhibitor SP600125, but not the extracellular signal-regulated kinase (ERK) pathway inhibitor PD98059 or p38 kinase inhibitor SB203580, attenuated H2O2-induced AChE expression and its promoter activity. Hydrogen Peroxide acetylcholinesterase (Cartwright blood group) Homo sapiens
3 We show that H2O2 increases acetylcholinesterase (AChE) expression via transcriptional activation through c-Jun N-terminal kinase (JNK), since the JNK inhibitor SP600125, but not the extracellular signal-regulated kinase (ERK) pathway inhibitor PD98059 or p38 kinase inhibitor SB203580, attenuated H2O2-induced AChE expression and its promoter activity. Hydrogen Peroxide acetylcholinesterase (Cartwright blood group) Homo sapiens
4 Overexpression of hemagglutinin (HA)-JNK increases H2O2-induced AChE expression and its promoter activity, whereas the dominant negative mutant form of JNK suppressed H2O2-induced AChE expression and promoter activity. Hydrogen Peroxide acetylcholinesterase (Cartwright blood group) Homo sapiens
5 Overexpression of hemagglutinin (HA)-JNK increases H2O2-induced AChE expression and its promoter activity, whereas the dominant negative mutant form of JNK suppressed H2O2-induced AChE expression and promoter activity. Hydrogen Peroxide acetylcholinesterase (Cartwright blood group) Homo sapiens
6 Taken together, our results strongly suggest that H2O2 induces AChE expression via the JNK/AP1/ ATF2 signaling pathway. Hydrogen Peroxide acetylcholinesterase (Cartwright blood group) Homo sapiens