A method for the production of single domain antibodies from alpacas, including immunization, blood collection, B-cell isolation, and selection is described.
Total time
~8–12 weeks (immunization schedule + blood collection + library construction)
Model organism
Alpaca (Lama pacos)
Steps
1
Generate antigen-specific alpaca antibodies via immunization
Immunize alpacas with protein antigens using an established vaccination schedule. Collect blood samples from immunized alpacas to obtain antigen-specific antibody-producing B cells.
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2
Purify lymphocytes for single domain antibody library construction
Isolate lymphocytes from immunized alpaca blood using standard cell separation techniques. Prepare purified B-cell populations for downstream single domain antibody library construction.
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3
Select antigen-specific single domain antibodies from library
Screen the constructed single domain antibody library against target protein antigens. Identify and isolate clones expressing high-affinity, antigen-specific single domain antibodies.
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