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The inbred strain of C57BL mice was created in 1921 by C. C. Little at the Bussey Institute for Research in Applied Biology. [1] The substrain "6" was the most popular of the surviving substrains. Little's supervisor William E. Castle had obtained the predecessor strain of C57BL/6, "mouse number 57", from Abbie Lathrop who was breeding inbred ...
MHC-based sexual selection is known to involve olfactory mechanisms in such vertebrate taxa as fish, mice, humans, primates, birds, and reptiles. [1] At its simplest level, humans have long been acquainted with the sense of olfaction for its use in determining the pleasantness or the unpleasantness of one's resources, food, etc.
Class II MHC molecules are also heterodimers, genes for both α and β subunits are polymorphic and located within MHC class II subregion. The peptide-binding groove of MHC-II molecules is formed by the N-terminal domains of both subunits of the heterodimer, α1 and β1, unlike MHC-I molecules, where two domains of the same chain are involved.
The discovery of the MHC and role of histocompatibility in transplantation was a combined effort of many scientists in the 20th century. A genetic basis for transplantation rejection was proposed in a 1914 Nature paper by C.C. Little and Ernest Tyyzer, which showed that tumors transplanted between genetically identical mice grew normally, but tumors transplanted between non-identical mice were ...
In the case of a typical mouse recombinant inbred strain made by crossing maternal strain BALB/cBy (C) with paternal strain C57BL/6By (B) called a CXB recombinant inbred strain, a chromosome will typically incorporate 2 to 5 alternating haplotype blocks with underlying genotypes such as BBBBBCCCCBBBCCCCCCCC, where each letter represents a ...
MHC class I molecules are one of two primary classes of major histocompatibility complex (MHC) molecules (the other being MHC class II) and are found on the cell surface of all nucleated cells in the bodies of vertebrates. [1] [2] They also occur on platelets, but not on red blood cells.
Having MHC class II molecules present proper peptides that are bound stably is essential for overall immune function. [6] Because class II MHC is loaded with extracellular proteins, it is mainly concerned with presentation of extracellular pathogens (for example, bacteria that might be infecting a wound or the blood).
Non-classical MHC class I genes are very often located on the same chromosome (mice chromosome 17, human chromosome 6) and interspaced within the same loci as the classical MHC genes. MR1 is located on another chromosome, the detailed gene analysis revealed that MR1 is a paralog originated by duplication of MHC locus on chromosome 17 (mice).