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Abstract Title:

The malignant social network: Cell-cell adhesion and communication in cancer stem cells.

Abstract Source:

Cell Adh Migr. 2012 Jul 1 ;6(4). Epub 2012 Jul 1. PMID: 22796941

Abstract Author(s):

James S Hale, Meizhang Li, Justin D Lathia

Article Affiliation:

Department of Cell Biology; Lerner Research Institute; Cleveland Clinic Foundation; Cleveland, OH USA.

Abstract:

Tumors contain a vastly complicated cellular network that relies on local communication to execute malignant programs. The molecular cues that are involved in cell-cell adhesion orchestrate large-scale tumor behaviors such as proliferation and invasion. We have recently begun to appreciate that many tumors contain a high degree of cellular heterogeneity and are organized in a cellular hierarchy, with a cancer stem cell (CSC) population identified at the apex in multiple cancer types. CSCs reside in unique microenvironments or niches that are responsible for directing their behavior through cellular interactions between CSCs and stromal cells, generating a malignant social network. Identifying cell-cell adhesion mechanisms in this network has implications for the basic understanding of tumorigenesis and the development of more effective therapies. In this review, we will discuss our current understanding of cell-cell adhesion mechanisms used by CSCs and how these local interactions have global consequences for tumor biology.

Study Type : Review

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Sayer Ji
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