by antigen-presenting cells ) it must be a large enough size, since peptides too small will also not elicit an immune response. the antigen may originate from within the body ("self-antigen") or from the external environment ("non-self"). the immune system is supposed to identify and attack "non-self...
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antigen encompasses all substances that can be recognized by the adaptive immune system , which includes both the antibody-based humoral immune system and a system that does not utilize antibodies, the cell-mediated immune system . the basis of the adaptive immune system lies in the capacity of immune cells...
and tubular dilatation were reversed by the yqhx treatment in the adenine rats. furthermore, the hepatic damage characterized by increased levels of aspartate aminotransferase and alanine aminotransferase and inflammatory cell infiltration was improved by yqhx. in addition, the number of apoptotic cells...
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