نتایج جستجو برای: adaptive immunity
تعداد نتایج: 274580 فیلتر نتایج به سال:
Adaptive immunity provides the unique ability to respond to a nearly infinite range of antigenic determinants. Given the inherent plasticity of the adaptive immune system, a series of tolerance mechanisms exist to reduce reactivity toward self. While this reduces the probability of autoimmunity, it also creates an important gap in adaptive immunity: the ability to recognize microbes that look l...
In basic terms, the immune system has two lines of defense: innate immunity and adaptive immunity. Innate immunity is the first immunological, non-specific (antigen-independent) mechanism for fighting against an intruding pathogen. It is a rapid immune response, occurring within minutes or hours after aggression, that has no immunologic memory. Adaptive immunity, on the other hand, is antigen-d...
Cancer immunoediting is the process whereby immune cells protect against cancer formation by sculpting the immunogenicity of developing tumors. Although the full process depends on innate and adaptive immunity, it remains unclear whether innate immunity alone is capable of immunoediting. To determine whether the innate immune system can edit tumor cells in the absence of adaptive immunity, we c...
Cathelicidins are a family of host defence peptides that are known to selectively alter innate immunity in response to infection and other changes in immune status. A study in this issue of the European Journal of Immunology elucidates a new role for mouse cathelin-related antimicrobial peptide in the adaptive immune response by clearly demonstrating for the first time that a cathelicidin can a...
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