ana 410 (4)immunology antigens · specific antigen. 10.heterogenic specificity the same or closely...

ANA 410 (4)Immunology Antigens Dr.M.A.Thomas

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ANA 410 (4)Immunology Antigens

Dr.M.A.Thomas

Antibody

Antigen

Classification of Antigens

Page 5: ANA 410 (4)Immunology Antigens · specific antigen. 10.Heterogenic specificity The same or closely related antigen may some time occur in different biological species, classes and

Page 6: ANA 410 (4)Immunology Antigens · specific antigen. 10.Heterogenic specificity The same or closely related antigen may some time occur in different biological species, classes and

Page 7: ANA 410 (4)Immunology Antigens · specific antigen. 10.Heterogenic specificity The same or closely related antigen may some time occur in different biological species, classes and

Factors of Antigenicity

1. Foreignness Antigen must be foreign to the immune system. These are non-self substances that has never being in contact with lymphocytes during embryonic period

Page 8: ANA 410 (4)Immunology Antigens · specific antigen. 10.Heterogenic specificity The same or closely related antigen may some time occur in different biological species, classes and

Page 9: ANA 410 (4)Immunology Antigens · specific antigen. 10.Heterogenic specificity The same or closely related antigen may some time occur in different biological species, classes and

Page 10: ANA 410 (4)Immunology Antigens · specific antigen. 10.Heterogenic specificity The same or closely related antigen may some time occur in different biological species, classes and

Page 11: ANA 410 (4)Immunology Antigens · specific antigen. 10.Heterogenic specificity The same or closely related antigen may some time occur in different biological species, classes and

Page 12: ANA 410 (4)Immunology Antigens · specific antigen. 10.Heterogenic specificity The same or closely related antigen may some time occur in different biological species, classes and

Page 13: ANA 410 (4)Immunology Antigens · specific antigen. 10.Heterogenic specificity The same or closely related antigen may some time occur in different biological species, classes and

• Direct ELISA • Direct Immunoflouriscence • Neutralisation test • Immunohistochemistry

Page 14: ANA 410 (4)Immunology Antigens · specific antigen. 10.Heterogenic specificity The same or closely related antigen may some time occur in different biological species, classes and

Thank You

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