Aging and immune system Aging changes in immunity As you grow older, your immune system changes and does not work as well: It is slower to respond. This increases risk of…

Slide 1B cell immunodeficiency Sara Mohammad Abuel Gassim November 2009 Slide 2 Introduction B lymphocytes, named after their site of origin in the bursa of Fabricius in…

1. IMMUNOSENESCENCE J.GODWIN BTB-11-010 2. WHAT IS IMMUNOSENESCENCE?  Immunosenescence refers to the gradual deterioration of the immune system brought on by natural ageing…

Slide 1B cell development Tony DeFranco, 10/29/14 Slide 2 5 Themes in B cell development + Ig class switch and somatic mutation Theme 1: Checkpoints in B cell development:…

1 1 Regular Office Hours: Tuesdays 11-12 Extra office hours: Wed, Feb 7 12-1pm Thurs, Feb 8 11am-12 Fri, Feb 9 2-4pm I WILL NOT BE HOLDING OFFICE HOURS ON TUESDAY Feb 13!!…

Themes in B cell development Tony DeFranco, 10/22/07 B cell development Tony DeFranco, 10/29/14 1 5 Themes in B cell development + Ig class switch and somatic mutation Theme…

201 Immunology: goals B CELL DEVELOPMENT AND ACTIVATION In healthy people, there are mature B cells with the capacity to make antibodies to virtually any antigen. Bone marrow…

  adapted from http://www.aruplab.com/guides/ug/tests/0095892.htm Cluster Designation Age: >2 years age Total T cells (CD3+) Helper T-cells: % CD4+ and CD3+ Absolute…

November 2, 2004 IMMUNITY ADAPTIVE INNATE CELL MEDIATED HUMORAL ANTIBODIES EFFECTOR SYSTEMS Fc Receptors Complement RECEPTORS EFFECTORS Cells Molecules ANTIGENS TCR BCR Soluble…