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What is Antibody Mediated Immunity or Humoral Immunity?
What are the 7 Steps of Antigen-Antibody Interactions?
It involves the antigen-antibody interactions to neutralize, eliminate or destroy foreign proteins.
The body learns to make enough of any specific antibody to provide long-lasting immunity and protection against specific organisms or toxins.
- The Seven Steps are:
- Exposure/invasion
- Antigen Recognition
- Lymphocyte Sensitization
- Antibody Production and Release
- Antigen-antibody binding
- Antibody-Binding reactions
- Sustained immunity or memory
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Where are antibodies produced? What does it do?
- Antibodies are produced by B-Lymphocytes (B-Cells).
- Antibodies causes one of several actions to neutralize, eliminate or destroy that antigen.
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What is the Function of a B-Cell?
The main purpose of the B-cells are to become sensitized to a specific foreign protein (antigen) and to produce antibodies directed specifically against that protein.
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What is the B-Cells lymphocyte pathway?
- Starts out in the bone marrow as stem cells.
- Released into the blood and travel to secondary lymphoid tissues such as spleen, parts of lymph nodes, tonsils and mucosa of the intestinal tract.
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Describe the Antigen Recognition stage of the Antibody Mediated Immunity:
- Macrophage recognizes the invader and attaches itself to the antigen.
- Macrophage does not attack but presents the antigen to the helper T-Cell.
- Both will process the antigen to expose the antigen's recognition sites.
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