In our laboratory we are using the mouse as a model system to investigate the role of stem cells in tumor development. Our long-term goal is to understand whether skin cancers arise from stem cells and whether tumors maintain stem cells, using a combination of genetics and biochemical studies.

Visit the Guasch Lab.

Postdoctoral research fellow: The Rockefeller University, New York, NY, 2002-2008.

PhD: University of Aix-Marseille, France, Immunology/Oncology, 2002.

BS: University Montpellier II, France, Biochemistry, 1997.

McNairn AJ, Brusadelli M, Guasch G. Signaling moderation: TGF-β in exocrine gland development, maintenance, and regulation. Eur J Dermatol. 2013 Apr 10.

Chang CY, Pasolli HA, Giannopoulou EG, Guasch G, Gronostajski RM, Elemento O, Fuchs E. NFIB is a governor of epithelial-melanocyte stem cell behaviour in a shared niche.  Nature. Mar 7 2013.

McNairn AJ, Doucet Y, Demaude J, Brusadelli M, Gordon CB, Uribe-Rivera A, Lambert PF, Bouez C, Breton L, Guasch G. TGFβ signaling regulates lipogenesis in human sebaceous glands cells. BMC Dermatol. 2013.

McNairn A, Guasch G. Epithelial Transition Zones: merging microenvironments, niches, and cellular transformation. Eur J Dermatol. 2011;21(Suppl.2):21-28.

Runck LA, Kramer M, Ciraolo G, Lewis AG, Guasch G. Identification of epithelial label-retaining cells at the transition between the anal canal and the rectum in mice. Cell Cycle. 2010 Aug 1;9(15):3039-45. 

Guasch G, Schober M, Pasolli HA, Conn EB, Polak L, Fuchs E. Loss of TGF beta signaling destabilizes homeostasis and promotes squamous cell carcinomas in stratified epithelia. Cancer Cell. 2007 Oct;12(4):313-27.

Guasch G, Fuchs E. Mice in the world of stem cell biology. Nat Genet. 2005 Nov;37(11):1201-6. Review.

Fuchs E, Tumbar T, Guasch G. Socializing with the neighbors: stem cells and their niche. Cell. 2004 Mar 19;116(6):769-78. Review.

Tumbar T, Guasch G, Greco V, Blanpain C, Lowry WE, Rendl M, Fuchs E. Defining the epithelial stem cell niche in skin. Science. 2004 Jan 16;303(5656):359-63.