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The PERK/eIF2 alpha signaling pathway of Unfolded Protein Response is essential for N-(4-hydroxyphenyl)retinamide (4HPR)-induced cytotoxicity in cancer cells.

Experimental cell research - 1 May 2008

Lai Wai-Lung, Wong Nai-Sum

Abstract excerpt

N-(4-hydroxyphenyl)retinamide (4HPR) is a synthetic retinoid that has been tested in clinical trials as a cancer chemopreventive drug. 4HPR is cytotoxic to cancer cells but the underlying molecular mechanisms are at present only partially understood. Here we demonstrate that in the human cervical cancer cell line HeLa and the human leukemia cell line HL-60, 4HPR caused rapid, Reactive Oxygen Species...

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PMID: 18342855
DOI: 10.1016/j.yexcr.2008.02.002

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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