10 Facts About Acquired immunity


Adaptive Acquired immunity creates immunological memory after an initial response to a specific pathogen, and leads to an enhanced response to future encounters with that pathogen.

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Adaptive Acquired immunity can provide long-lasting protection, sometimes for the person's entire lifetime.

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The phrase was used almost exclusively by Good and his students and a few other immunologists working with marginal organisms until the 1990s when it became widely used in tandem with the term "innate Acquired immunity" which became a popular subject after the discovery of the Toll receptor system in Drosophila, a previously marginal organism for the study of immunology.

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Classic sense of "acquired immunity" came to mean, since Tonegawa's discovery, "antigen-specific immunity mediated by somatic gene rearrangements that create clone-defining antigen receptors".

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Acquired immunity is triggered in vertebrates when a pathogen evades the innate immune system and generates a threshold level of antigen and generates "stranger" or "danger" signals activating dendritic cells.

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Acquired immunity relies on the capacity of immune cells to distinguish between the body's own cells and unwanted invaders.

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Short-term passive Acquired immunity can be transferred artificially from one individual to another via antibody-rich serum.

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In general, active immunity is long-term and can be acquired by infection followed by B cell and T cell activation, or artificially acquired by vaccines, in a process called immunization.

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The genetic control of innate and acquired immunity is a large and flourishing discipline.

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Passive Acquired immunity is when antibodies are transferred from one host to another.

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