{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,5]],"date-time":"2026-02-05T12:53:08Z","timestamp":1770295988145,"version":"3.49.0"},"reference-count":48,"publisher":"Rockefeller University Press","issue":"3","content-domain":{"domain":["rupress.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2002,4,29]]},"abstract":"<jats:p>Death-associated protein kinase (DAPk) and DAPk-related protein kinase (DRP)-1 proteins are Ca+2\/calmodulin\u2013regulated Ser\/Thr death kinases whose precise roles in programmed cell death are still mostly unknown. In this study, we dissected the subcellular events in which these kinases are involved during cell death. Expression of each of these DAPk subfamily members in their activated forms triggered two major cytoplasmic events: membrane blebbing, characteristic of several types of cell death, and extensive autophagy, which is typical of autophagic (type II) programmed cell death. These two different cellular outcomes were totally independent of caspase activity. It was also found that dominant negative mutants of DAPk or DRP-1 reduced membrane blebbing during the p55\/tumor necrosis factor receptor 1\u2013induced type I apoptosis but did not prevent nuclear fragmentation. In addition, expression of the dominant negative mutant of DRP-1 or of DAPk antisense mRNA reduced autophagy induced by antiestrogens, amino acid starvation, or administration of interferon-\u03b3. Thus, both endogenous DAPk and DRP-1 possess rate-limiting functions in these two distinct cytoplasmic events. Finally, immunogold staining showed that DRP-1 is localized inside the autophagic vesicles, suggesting a direct involvement of this kinase in the process of autophagy.<\/jats:p>","DOI":"10.1083\/jcb.200109094","type":"journal-article","created":{"date-parts":[[2002,7,26]],"date-time":"2002-07-26T16:48:16Z","timestamp":1027702096000},"page":"455-468","update-policy":"https:\/\/doi.org\/10.1083\/jcb.crossmarkpolicy","source":"Crossref","is-referenced-by-count":379,"title":["DAP kinase and DRP-1 mediate membrane blebbing and the formation of autophagic vesicles during programmed cell death"],"prefix":"10.1083","volume":"157","author":[{"given":"Boaz","family":"Inbal","sequence":"first","affiliation":[{"name":"1Department of Molecular Genetics, Weizmann Institute of Science, Rehovot 76100, Israel"}]},{"given":"Shani","family":"Bialik","sequence":"additional","affiliation":[{"name":"1Department of Molecular Genetics, Weizmann Institute of Science, Rehovot 76100, Israel"}]},{"given":"Ilana","family":"Sabanay","sequence":"additional","affiliation":[{"name":"2Electron Microscopy Center, Weizmann Institute of Science, Rehovot 76100, Israel"}]},{"given":"Gidi","family":"Shani","sequence":"additional","affiliation":[{"name":"1Department of Molecular Genetics, Weizmann Institute of Science, Rehovot 76100, Israel"}]},{"given":"Adi","family":"Kimchi","sequence":"additional","affiliation":[{"name":"1Department of Molecular Genetics, Weizmann Institute of Science, Rehovot 76100, Israel"}]}],"member":"291","published-online":{"date-parts":[[2002,4,29]]},"reference":[{"key":"2023072904480635400_BIB1","first-page":"25","volume":"12","year":"1997","journal-title":"Histol. 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