The pan-ErbB negative regulator Lrig1 is an intestinal stem cell marker that functions as a tumor suppressor.
Cell. 2012 Mar 30; 149(1):146-58
Powell AE, Wang Y, Li Y, Poulin EJ, ..., Aronow BJ, Haigis KM, Franklin JL, Coffey RJ. Powell AE, Wang Y, Li Y, Poulin EJ, Means AL, Washington MK, Higginbotham JN, Juchheim A, Prasad N, Levy SE, Guo Y, Shyr Y, Aronow BJ, Haigis KM, Franklin JL, Coffey RJ. Cell. 2012 Mar 30; 149(1):146-58
This paper identifies Lrig1, a transmembrane protein and negative feedback inhibitor of ErbB signaling, as a marker of a rather quiescent population of intestinal and colonic stem cells that have the ability to fully repopulate damaged crypts. The Lrig1+ population is located at the crypt base but appears to differ phenotypically...
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