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CSB Seminar – Professor Jody Rosenblatt, University of Utah

February 2, 2018 @ 2:00 am - 3:00 pm

CSB Seminar

Professor Jody Rosenblatt
School of Medicine
University of Utah

Epithelial cell extrusion and its misregulation in disease” 

Friday, February 2, 2018
2:00-3:00 p.m. at RW 432
Host: Uli Tepass

What links cell division to cell death in order to maintain constant epithelial cell densities? We found that mechanical forces control both processes: cell stretching triggers rapid cell division, whereas, crowding causes cell death by a process we call ‘epithelial extrusion’, in which cells fated to die are seamlessly squeezed out from epithelia. Extrusion is essential for maintaining correct epithelial cell densities. We are finding a growing number of diseases result from misregulation of extrusion. Excessive extrusion disrupts epithelial barrier, causing inflammation and infection hyper-sensitivity after an asthma attack. Conversely, oncogenic mutations hijack apical extrusion signaling and promote a class of aggressive tumors, which invade via a new mechanism—basal extrusion.


February 2, 2018
2:00 am - 3:00 pm


Ramsay Wright Building, Room 432
25 Harbord St.
Toronto, ON M5S 3G5 Canada