Πέμπτη, 27 Φεβρουαρίου 2020

Small Molecule Binds with Lymphocyte Antigen 6K to Induce Cancer Cell Death.

Small Molecule Binds with Lymphocyte Antigen 6K to Induce Cancer Cell Death.:

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Small Molecule Binds with Lymphocyte Antigen 6K to Induce Cancer Cell Death.

Cancers (Basel). 2020 Feb 22;12(2):

Authors: Benti S, Tiwari PB, Goodlett DW, Daneshian L, Kern GB, Smith MD, Uren A, Chruszcz M, Shimizu LS, Upadhyay G

Abstract

Elevated gene expression of Lymphocyte antigen 6K (LY6K) in cancer cells is associated with poor survival outcomes in multiple different cancer types including cervical, breast, ovarian, lung, and head and neck cancer. Since inhibition of LY6K expression inhibits cancer cell growth, we set out to explore whether pharmacological inhibition of LY6K could produce the same effect. We screened small molecule libraries for direct binding to recombinant LY6K protein in a surface plasmon resonance assay. We found that NSC243928 directly binds to the full-length and mature forms of LY6K and inhibits growth of HeLa cells that express LY6K. NSC243928 did not display binding with LY6D or LY6E. Our data demonstrate a first-time proof of principle study that pharmacological inhibition of LY6K using small molecules in cancer cells is a valid approach to developing targeted therapies against LY6K. This approach will be specifically relevant in hard-to-treat cancers where LY6K is highly expressed, such as cervical, pancreatic, ovarian, head and neck, lung, gastric, and triple-negative breast cancers.

PMID: 32098321 [PubMed]

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