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The Immune System (Peter Parham), Molecular Driving Forces (Ken A. Dill & Sarina Bromberg), and Physical Biology of the Cell (Rob Phillips, Jane Kondev & Julie Theriot). As of 2018, [update] the Garland Science website had been shut down and their major textbooks have been sold to W. W. Norton & Company .
MHC class I molecules bind peptides that are predominantly 8-10 amino acid in length (Parham 87), but the binding of longer peptides have also been reported. [ 6 ] While a high-affinity peptide and the B2M subunit are normally required to maintain a stable ternary complex between the peptide, MHC I, and B2M, under subphysiological temperatures ...
Natural killer (NK) cells are a type of lymphocyte cell involved in the innate immune system's response to viral infection and tumor transformation of host cells. [20] [7] Like T cells, NK cells have many qualities characteristic of the adaptive immune system, including the production of “memory” cells that persist following encounter with antigens and the ability to create a secondary ...
The immune system is a network of biological systems that protects an organism from diseases. It detects and responds to a wide variety of pathogens, from viruses to bacteria, as well as cancer cells, parasitic worms, and also objects such as wood splinters, distinguishing them from the organism's own healthy tissue. Many species have two major ...
Mechanism of class-switch recombination that allows isotype switching in activated B cells. Immunoglobulin class switching, also known as isotype switching, isotypic commutation or class-switch recombination (CSR), is a biological mechanism that changes a B cell's production of immunoglobulin from one type to another, such as from the isotype IgM to the isotype IgG. [1]
A complement receptor is a membrane-bound receptor belonging to the complement system, which is part of the innate immune system.Complement receptors bind effector protein fragments that are produced in response to antigen-antibody complexes or damage-associated molecules. [1]
HLA-A projected away from the cell surface and presenting a peptide sequence. The peptide-MHC complex presents a surface that looks like an altered self to the TCR. [11] The surface consisting of two α helices from the MHC and a bound peptide sequence is projected away from the host cell to the T cells, whose TCRs are projected away from the T cells towards the host cells.
In a multicellular organism's immune system, phagocytosis is a major mechanism used to remove pathogens and cell debris. The ingested material is then digested in the phagosome. Bacteria, dead tissue cells, and small mineral particles are all examples of objects that may be phagocytized.