Question

1. What is the function of PD1? and what is CAR-T? (DO NOT COPY OFF OF WIKIPEDIA)

Answer 1

PD1 is a programmed cell death protein 1. It is present on the surface of the T cells which is a type of immune cells. The main function of this protein is to regulate the immune response of our body. The T cells and B cells are among the main cells of the immune system . They can distinguish between the self and foreign particles or antigens. So they attack accordingly . But sometimes this cells get overactivated and start attacking the self cells or tissues. So this protein PD1 suppress these cells or check these cells from attacking the self tissues .

CAR -T are the Chimeric antigen T cells which are the genetically engineered T cells . These T cells are modified in such it is used in immunotherapy to treat cancer. It has an ability to target a specific protein.