Abstract:
:Both ice-like protease and calpain have been shown to be involved in apoptosis in non-neuronal cells. Cultured rat cerebellar granule neurons undergo apoptosis when exposed to low potassium-containing medium. Calpain inhibitors 3-(4-iodophenyl)-2-mercapto-(Z)-2-propenoic acid (PD150606) and N-acetyl-Leu-Leu-Met-CHO (calpain inhibitor II) as well as interleukin-beta 1 converting enzyme (ICE)-like protease inhibitor Z-Asp-CH2OC(O)-2,6-dichlorobenzene (Z-D-DCB) protect against such apoptotic death. They also reduce DNA laddering and the number of apoptotic nuclei. Staurosporine treatment also evokes apoptosis in human neuroblastoma SH-SY5Y. While Z-D-DCB is again anti-apoptotic, calpain inhibitors only provide modest effects in this model. Our results suggest that ICE-like protease plays a critical role in neuronal apoptosis whereas the contributions of calpain are more cell-type dependent.
journal_name
Neuroreportjournal_title
Neuroreportauthors
Nath R,Raser KJ,McGinnis K,Nadimpalli R,Stafford D,Wang KKdoi
10.1097/00001756-199612200-00050subject
Has Abstractpub_date
1996-12-20 00:00:00pages
249-55issue
1eissn
0959-4965issn
1473-558Xjournal_volume
8pub_type
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