Modulation of the Tumor Microenvironment by Epstein-Barr virus Latent Membrane Protein-1 in Nasopharyngeal Carcinoma.

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Modulation of the Tumor Microenvironment by Epstein-Barr virus Latent Membrane Protein-1 in Nasopharyngeal Carcinoma.

Cancer Sci. 2017 Dec 16;:

Authors: Yoshizaki T, Kondo S, Endo K, Nakanishi Y, Aga M, Kobayashi E, Hirai N, Sugimoto H, Hatano M, Ueno T, Ishikawa K, Wakisaka N

Abstract
Latent membrane protein 1 (LMP1) is a primary oncogene encoded by the Epstein-Barr virus, and various portions of LMP1 are detected in nasopharyngeal carcinoma (NPC) tumor cells. LMP1 has been extensively studied since the discovery of its transforming property in 1985. LMP1 promotes cancer cell growth during NPC development and facilitates the interaction of cancer cells with surrounding stromal cells for invasion, angiogenesis, and immune modulation. LMP1 is detected in 100% of pre-invasive NPC tumors and in approximately 50% of advanced NPC tumors. Moreover, a small population of LMP1-expressing cells in advanced NPC tumor tissue is proposed to orchestrate NPC tumor tissue maintenance and development through cancer stem cells and progenitor cells. Recent studies suggest that LMP1 activity shifts according to tumor development stage, but still has a pivotal role during all stages of NPC development. This article is protected by copyright. All rights reserved.

PMID: 29247573 [PubMed - as supplied by publisher]

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