Antigen- Middle Part Flashcards
What are antigens that invade a host from outside and then grow in the hosts tissues and extracellular fluid?
Exogenous antigens
What antigens are processed in phagosomes in antigen-presenting cells, such as dendritic cells, macrophages, and B cells, to the adaptive immune system?
Exogenous antigens
What antigens are typified by bacteria?
Exogenous
What are antigens that are produced by a host cell?
Endogenous antigens
What antigens are processed by proteasomes in the cells in which they are produced?
Endogenous
What type of antigens are autoantigens (self-antigens) classified as?
Endogenous
Endogenous antigens have antigen presentation to what type of T cells?
CD8+
Exogenous antigens has antigen presentation to what type of T cells?
CD4+
What is the ability of an antigen to provoke an immune response in the body of a human or an animal?
Immunogenicity
What is the capacity of an antigen to bind specific T cells or B cells?
Antigenicity
What is when, in general, foreign proteins make the antigens of good immunogenicity?
Foreignness
How long does it take for a transplant to be rejected by the same species?
10 days
How long does it take for a transplant to be rejected by a different species?
Few hours
______ molecules are better antigens than ______ molecules
Larger
Small
What are clostridial toxin, bacterial flagella, and virus capsids examples of?
Large proteins