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how does the immune system fight against the bacteria? how does immune system target the bacterial...

how does the immune system fight against the bacteria? how does immune system target the bacterial strucutre?

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our immune system is very varied and have a lot of anitbodies and other cells which are very specific for action against vaarious kind of pathogens, like for viruses we have interferons, for bacteria we have NK cells and others.

whenever a bacteria attacks the host, the host cells on which the bacteria are attaking, releases a help signal which are also called as inflammatory signal agents  which are directed towards the innate immunity of the host. the host then secrets neutrophils which are directed to kill the cells which are infected by bacteria, these neutrophils along with the help of Nk Cells attack the bacteria with the help of another two type of cells which are called as MHC cells and helper t cell.

the helper t cell are produced in the thymus and mhc cells are endogeneous antigens, the helper t cell provides a platform for mhc class II molecule to attach to the surface of the helper t cell which are then directed towards the bacteria infected cells, and the receptors which are present on the surface of the mhc cell interact with the bacteria infected host cells receptors and result into killing of cell along with the bacteria. this is the basic of how bacteria is being killed by the immune responses of the host body.

gladiator answered 2 years ago
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