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Amino Acids. 2011 Oct;41(4):893-9. doi: 10.1007/s00726-010-0496-4. Epub 2010 May 28.

S100P: a novel therapeutic target for cancer.

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1
Department of Cancer Biology, UT MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030, USA.

Abstract

S100P expression is described in many different cancers, and its expression is associated with drug resistance, metastasis, and poor clinical outcome. S100P is member of the S100 family of small calcium-binding proteins that have been reported to have either intracellular or extracellular functions, or both. Extracellular S100P can bind with the receptor for advanced glycation end products (RAGE) and activate cellular signaling. Through RAGE, S100P has been shown to mediate tumor growth, drug resistance, and metastasis. S100P is specifically expressed in cancer cells in the adult. Therefore, S100P is a useful marker for differentiating cancer cells from normal cells, and can aid in the diagnosis of cancer by cytological examination. The expression of S100P in cancer cells has been related to hypomethylation of the gene. Multiple studies have confirmed the beneficial effects of blocking S100P/RAGE in cancer cells, and different blockers are being developed including small molecules and antagonist peptides. This review summarizes the role and significance of S100P in different cancers.

PMID:
20509035
PMCID:
PMC4041611
DOI:
10.1007/s00726-010-0496-4
[Indexed for MEDLINE]
Free PMC Article

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