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Current Protein & Peptide Science

Editor-in-Chief

ISSN (Print): 1389-2037
ISSN (Online): 1875-5550

The LPS-Pretreated MSCs Supply a Positive Microenvironment for Tumor Cell Proliferation and Clone Formation

Author(s): Pengfei Li, Jin Liu, Junzhong Sun and Haifeng Duan

Volume 16, Issue 4, 2015

Page: [295 - 300] Pages: 6

DOI: 10.2174/138920371604150429152720

Price: $65

Abstract

In this study, the culture supernatant of LPS-treated MSCs was collected and served as a conditioned medium (CM). It was found that the LPS-CM promoted the proliferation of tumor cells (SKBR3, MDA-MB-231, A549, 95D and HepG2). In addition, the colony formation ability was also enhanced by LPS-CM incubation. The inflammatory cytokines, IL-6 and IL-8, were demonstrated to be up-regulated in the LPS-CM, which we supposed to function in the tumor-growth promotion in vitro.

Keywords: Inflammatory cytokine, LPS, MSC, tumor growth.


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