TH1 cells

Indicate whether each of the following statements is true or false. If it is false, explain why..

a. TH1 cells are associated with development of autoimmunity

b. In the absence of FoxP3 expression, central tolerance pathways will not occur.

c. A defect in the gene encoding Fas can reduce programmed cell death by apoptosis and can be associated with autoimmune disease

d. All allografts between individuals with identical HLA haplotypes will be accepted

e. Acute rejection is mediated by pre-existing host antibodies specific for antigens on the grafted tissues

f. Intravenous immunoglobulin (IVIG) is a therapeutic used primarily for the treatment of allergy and asthma  Quality Affordable Non-plagiarized Essays score 100%