PASSIVE ANTIBODY TRANSFER Meaning and
Definition
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Passive antibody transfer refers to the transfer of pre-formed antibodies from one individual to another in order to provide immediate protection against a specific pathogen or toxin. This process involves the administration of antibodies obtained from a donor (either a human or an animal) who has already developed immunity against the target antigen.
Passive antibody transfer can occur naturally, such as a mother passing antibodies to her fetus during pregnancy via the placenta, or through breastfeeding after birth. Artificially, it can be achieved by injecting purified antibodies derived from immune donors. These antibodies can be generated by isolating plasma or serum from individuals who have mounted an immune response, or they can be produced in the laboratory using specialized techniques.
The transferred antibodies can bind to the target antigen, preventing the pathogen or toxin from infecting cells or causing harm. This passive immunity can provide immediate protection against the specific pathogen or toxin until the recipient's immune system can mount its own immune response, which sometimes takes several days.
Passive antibody transfer is often utilized as a preventive or therapeutic strategy against infectious diseases, when rapid protection is needed, or in cases where the recipient's immune system is compromised or unable to generate protective antibodies on its own. It is commonly employed in the treatment of conditions such as snakebites, rabies exposure, and certain viral infections. Additionally, passive antibody transfer has proven useful in the prevention and treatment of some autoimmune diseases and immune deficiencies.
Common Misspellings for PASSIVE ANTIBODY TRANSFER
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- pasdive antibody transfer
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- paswive antibody transfer
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