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. 2001 May 28;153(5):999–1010. doi: 10.1083/jcb.153.5.999

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© 2001 The Rockefeller University Press

This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/).

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Absence of significant caspase-mediated intracellular proteolysis in WEHI-S cells exposed to low but lethal concentration of TNF. Equal amounts of protein from WEHI-S cells treated for indicated times with 0.1 or 50 ng/ml of rhTNF were analyzed for cleavage of caspase-7 or caspase substrates cPLA₂ and Bid by immunoblot analysis. The arrowhead indicates a caspase cleavage product of cPLA₂ (Wissing et al. 1997). Hsc70 serves as a loading control.