NSCS Online Seminar 28 July 2020
Modeling affinity maturation of antibodies targeting viral spikes
Assaf Amitai Shenshen Wang Arup K. Chakraborty
Mehran Kardar (MIT)
Outline
I. Introduction: B cells, Antibodies, Antigens, and the puzzle of low HIV spike density
II. Affinity Maturation: Germinal Center, Rapid evolution of antibodies, Fisher and Price equations
III. Fitness & Evolution: Competition for virus capture and proliferation signal from helper T cells
IV. Optimal density for eliciting potent antibodies, and implications for nanoparticle vaccination & HIV spikes
V. Broadly neutralizing Antibodies: Controlling affinity maturation against a mutable virus
VI. Affinity Maturation with Multiple Antigens
VII. Summary