HSP27 as a mediator of confluence-dependent resistance to cell death induced by anticancer drugs.


Resistance of colorectal cancer cells to chemotherapeutic drugs increases as cells reach confluence. Here we show that the small stress protein HSP27, which has been described to block necrotic and apoptotic cell death, accumulates in confluent human colorectal cancer cell lines HT-29 and Caco2. Cell confluence also induces HSP27 phosphorylation and changes… (More)


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