acquired immunity

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Related to Adaptive immune system: Innate immune system

acquired immunity

[ə′kwīrd ə′myün·ə·dē]
(immunology)
Resistance to a microbial or other antigenic substance taken on by a naturally susceptible individual; may be either active or passive.
References in periodicals archive ?
This finding provides the basis for a mechanistic link between the acute processes of brain injury and the expression of sustained neuropathology involving activation of the adaptive immune system. The potential role for abnormally deiminated proteins in this mechanism is supported by the firmly established role for protein deimination in the hallmark autoimmune disease, rheumatoid arthritis.
Classical allergies are part of the adaptive immune system, are an IgE antibody hypersensitivity reaction, and include atopic dermatitis, asthma, hay fever, food allergies, and anaphylaxis.
Since A20 down-regulates both the innate and adaptive immune systems, the activation of A20 in the context of an anthrax infection could enable the pathogen to escape the immune response, thereby increasing virulence.
The cells of the adaptive immune system translocate to the site of infection and begin to inactivate, for example, free virus particles (by way of B cells) and to destroy virus-infected or damaged cells (by way of Tcells), or help eliminate other pathogens such as bacteria, fungi, or larger parasites.
In addition, it is best to remember that the innate and adaptive immune systems are interconnected and overlapping cells.
B-lymphocytes are responsible for generating antibodies, while T-cells play key regulatory roles in the adaptive immune system. There are three types of T-cells: killer T-cells, helper T-cells and regulatory T-cells.
The problem with the adaptive immune system is that the first time it can take several days to get up to speed once it encounters a new antigen.
One way to get around these defenses is to wipe out the mouse's own adaptive immune system. Another more common practice is to work with mice that have no such system.
AD is a pruritic chronic or localized inflammatory disease that results from barrier defects combined with modified immune responses of the innate and the adaptive immune system to exogenous and endogenous factors, so that these patients demonstrate compromised skin barrier.
The immune system consists of two major components, the innate as well as the adaptive immune system. Innate immunity senses the presence of foreign entities derived from either infections or tissue damage and confers protection by actively inducing inflammatory, anti-microbial and anti-stress responses.
The adaptive immune system is thought to be a rich source of protein biomarkers, but diagnostically useful antibodies remain undiscovered for a large number of diseases, Dr.
They discuss such topics as B cell signaling and fate decision; immune function control; the molecular components, geometry, and timing of T cell activation and synapse formation; the influence of bacterial carbohydrates on the adaptive immune system; new findings on properdin and the role in inflammatory and autoimmune diseases; allergy vaccines based on allergen structures; adaptive immune regulation in the gastrointestinal tract; the acute inflammatory response and sterile stimuli; the role of antibodies in HIV vaccines; and functions of notch signaling in the immune system.

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