Title : Proteasome inhibitors MG132 and lactacystin hyperphosphorylate HSF1 and induce hsp70 and hsp27 expression.

Pub. Date : 1999 Jan 8

PMID : 9920768






9 Functional Relationships(s)
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Compound Name
Protein Name
Organism
1 Proteasome inhibitors MG132 and lactacystin hyperphosphorylate HSF1 and induce hsp70 and hsp27 expression. benzyloxycarbonylleucyl-leucyl-leucine aldehyde heat shock transcription factor 1 Homo sapiens
2 Proteasome inhibitors MG132 and lactacystin hyperphosphorylate HSF1 and induce hsp70 and hsp27 expression. benzyloxycarbonylleucyl-leucyl-leucine aldehyde heat shock protein family A (Hsp70) member 4 Homo sapiens
3 Proteasome inhibitors MG132 and lactacystin hyperphosphorylate HSF1 and induce hsp70 and hsp27 expression. benzyloxycarbonylleucyl-leucyl-leucine aldehyde heat shock protein family B (small) member 1 Homo sapiens
4 Since trimerization of HSF1 is known to precede the acquisition of HSF1-DNA binding activity, it seems that MG132- and lactacystin-induced hyperphosphorylation of HSF1 causes conformational changes of HSF1 molecules at 37 degreesC and subsequently triggers its trimerization. benzyloxycarbonylleucyl-leucyl-leucine aldehyde heat shock transcription factor 1 Homo sapiens
5 Since trimerization of HSF1 is known to precede the acquisition of HSF1-DNA binding activity, it seems that MG132- and lactacystin-induced hyperphosphorylation of HSF1 causes conformational changes of HSF1 molecules at 37 degreesC and subsequently triggers its trimerization. benzyloxycarbonylleucyl-leucyl-leucine aldehyde heat shock transcription factor 1 Homo sapiens
6 Since trimerization of HSF1 is known to precede the acquisition of HSF1-DNA binding activity, it seems that MG132- and lactacystin-induced hyperphosphorylation of HSF1 causes conformational changes of HSF1 molecules at 37 degreesC and subsequently triggers its trimerization. benzyloxycarbonylleucyl-leucyl-leucine aldehyde heat shock transcription factor 1 Homo sapiens
7 Since trimerization of HSF1 is known to precede the acquisition of HSF1-DNA binding activity, it seems that MG132- and lactacystin-induced hyperphosphorylation of HSF1 causes conformational changes of HSF1 molecules at 37 degreesC and subsequently triggers its trimerization. benzyloxycarbonylleucyl-leucyl-leucine aldehyde heat shock transcription factor 1 Homo sapiens
8 Inhibition of protein synthesis by cycloheximide abolished the MG132- or lactacystin-induced hyperphosphorylation and DNA-binding activity of HSF1. benzyloxycarbonylleucyl-leucyl-leucine aldehyde heat shock transcription factor 1 Homo sapiens
9 These data suggest that the activity of a putative kinase(s) targeting HSF1 is upregulated in the presence of MG132 or lactacystin. benzyloxycarbonylleucyl-leucyl-leucine aldehyde heat shock transcription factor 1 Homo sapiens