T follicular helper cell differentiation, function, and roles in disease. 

This is the full length, high resolution video lecture accompaniment to "T Follicular Helper Cell Differentiation, Function, and Roles in Disease," a review article by Shane Crotty, Ph.D. in the October 2014 issue of Immunity. 41(4), 529-542. doi:10.1016/j.immuni.2014.10.004