Anatomy and Cell Biology 4429A Lecture : Antibodies

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Resting b or t cell can become one of two fates once they respond to an antigen: it can become a t lymphocyte that secrete cytokines, it can become a b lymphocyte. The b lymphocyte clearly has some purpose - can see a lot of rer so it is a secretory cell. It makes a lot of antibodies - it makes antibodies specific to particular receptors. The t lymphocyte does not have a lot of. Cells can do one of two things - they can differentiate or divide (mitosis). Once these begin this process of differentiation, they are not interested in dividing anymore. Generally speaking, nucleic acids are not free floating and in the nucleus and are the only things in cells that are not antigens. Everything else that is found on the surface of a cell can be an antigen. This is useful to us because we can make almost anything an antigen and make antibodies to it.