Results 11 to 20 of about 275,601 (334)

Evolution of major histocompatibility complex class I and class II genes in the brown bear [PDF]

open access: yesBMC Evolutionary Biology, 2012
Background Major histocompatibility complex (MHC) proteins constitute an essential component of the vertebrate immune response, and are coded by the most polymorphic of the vertebrate genes.
Kuduk Katarzyna   +7 more
doaj   +7 more sources

Structure of a pheromone receptor-associated MHC molecule with an open and empty groove. [PDF]

open access: yesPLoS Biology, 2005
Neurons in the murine vomeronasal organ (VNO) express a family of class Ib major histocompatibility complex (MHC) proteins (M10s) that interact with the V2R class of VNO receptors.
Rich Olson   +3 more
doaj   +7 more sources

MHC-linked and un-linked class I genes in the wallaby [PDF]

open access: yesBMC Genomics, 2009
Background MHC class I antigens are encoded by a rapidly evolving gene family comprising classical and non-classical genes that are found in all vertebrates and involved in diverse immune functions.
Harrow Jennifer   +8 more
doaj   +6 more sources

MHC Class I Expression by Donor Hematopoietic Stem Cells Is Required to Prevent NK Cell Attack in Allogeneic, but Not Syngeneic Recipient Mice. [PDF]

open access: yesPLoS ONE, 2015
NK cells resist engraftment of syngeneic and allogeneic bone marrow (BM) cells lacking major histocompatibility (MHC) class I molecules, suggesting a critical role for donor MHC class I molecules in preventing NK cell attack against donor hematopoietic ...
Yuichi Hirata   +5 more
doaj   +1 more source

Human cytomegalovirus UL18 utilizes US6 for evading the NK and T-cell responses. [PDF]

open access: yesPLoS Pathogens, 2008
Human cytomegalovirus (HCMV) US6 glycoprotein inhibits TAP function, resulting in down-regulation of MHC class I molecules at the cell surface. Cells lacking MHC class I molecules are susceptible to NK cell lysis.
Youngkyun Kim   +6 more
doaj   +1 more source

Allelic diversity and patterns of selection at the major histocompatibility complex class I and II loci in a threatened shorebird, the Snowy Plover (Charadrius nivosus)

open access: yesBMC Evolutionary Biology, 2020
Background Understanding the structure and variability of adaptive loci such as the major histocompatibility complex (MHC) genes is a primary research goal for evolutionary and conservation genetics.
Medardo Cruz-López   +10 more
doaj   +1 more source

Induction of MHC Class I Expression by the MHC Class II Transactivator CIITA [PDF]

open access: yesImmunity, 1997
Major histocompatibility complex (MHC) class I–deficient cell lines were used to demonstrate that the MHC class II transactivator (CIITA) can induce surface expression of MHC class I molecules. CIITA induces the promoter of MHC class I heavy chain genes. The site α DNA element is the target for CIITA-induced transactivation of class I.
Martin, Brian K   +6 more
openaire   +2 more sources

The E5 protein of BPV-4 interacts with the heavy chain of MHC class I and irreversibly retains the MHC complex in the Golgi apparatus [PDF]

open access: yes, 2006
BPV-4 E5 inhibits transcription of the bovine MHC class I heavy chain (HC) gene, increases degradation of HC and downregulates surface expression of MHC class I by retaining the complex in the Golgi apparatus (GA).
Araibi, E.H.   +5 more
core   +1 more source

Inborn errors of immunity affecting the MHC class I pathway for antigen presentationHuman MHC class I deficiency [PDF]

open access: yesJournal of Human Immunity
The paper discusses rare inborn errors of immunity affecting MHC class I antigen processing, leading to infections and skin lesions, often misdiagnosed as autoimmune disease.
Stephan D. Gadola   +4 more
doaj   +1 more source

High levels of MeCP2 depress MHC class I expression in neuronal cells. [PDF]

open access: yesPLoS ONE, 2007
BACKGROUND: The expression of MHC class I genes is repressed in mature neurons. The molecular basis of this regulation is poorly understood, but the genes are particularly rich in CpG islands. MeCP2 is a transcriptional repressor that binds to methylated
Julie Miralvès   +5 more
doaj   +1 more source

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