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Avain immunology
1. Immune Response against
Avian Pathogens
• Presented by;
Muhammad Noman Naseem
M.Phil. 1st smester
2. What is Immunity
• Immunity is the state of having biological
defenses to avoid infection, disease, or other
unwanted biological invasion.
• It is the capability of the body to resist
harmful pathogens (microorganisms) from
entering it.
• Star fish give ides of immunolgy.
• Immunity involve 2-components;
• Non-specific component(innate immunity)
• specific component(adaptive immunity)
6. Process of Phagocytosis
• 4-STEPS OF PHAGOCYTOSIS
• Chemo taxis
• Adherence
• Ingestion
• Digestion
7. Inflammation
• Inflammation have two main functions
• To destroys microbes
• To repair damage cells or tissue
8. Interferon and Nk cells
• Interferon and NK-cells also involve in non
specific immunity.
Produce from virally infected cells
Interferon have 3-types
• NK_CELLS
• Granzymes
• Perforrins
9. SPECIFIC IMMUNE RESPONSE
• Characteristics
• Discrimination
• Specificity
• Anmuesis/immunological mamory
• Involves lymphocytes and antibodies
11. Immune response
• Two types of specific immune response
– Antibody-mediated( Humoral immunity)
– Cell-mediated(cellular immunity)
12. Humoral immune response
• The humoral response is carried out by
antibodies which are produced by B-lymphocyte.
• What is anti-gen ?
• When enter into host stimulate Abs
production and react with preform Abs.
• Ag have both immunogenicity and specificity.
• 2-parts of Ag(Hepton, Epitop)