Explain the 7 steps in Exogenous Antigen Processing Should b

Explain the 7 steps in Exogenous Antigen Processing. Should be in order List it from 1-7 . Thank you

Solution

Pathway A describes the events that take place when the antigen concerned is freely circulating foreign material (not found intracellular or bound to cell surfaces). such an antigen has been termed \"exogenous\" antigen and is taken up by specific classes of APCs (antigen presenting cells) such as B cells, macrophages or dendritic cells that are specialised for processing exogenous antigen.