Major Histocompatibility Complex (MHC) in Health and Disease"

Jerzy Kulski

Research output: Other contribution

Abstract

Special Issue Information
Dear Colleagues,

The Major Histocompatibility Complex (MHC) antigen presenting molecules consist of two primary classes of glycoproteins that bind peptides derived from intracellular or extracellular antigens and play an integral role in adaptive and innate immune defense systems. They are present in all classes of jawed vertebrates. The MHC genes are polygenic and encode a set of MHC molecules with different ranges of peptide-binding specificities that can be divided into MHC class I and MHC class II depending on their structure and phylogeny. Typically, species have several highly polymorphic genes of both class I and class II, so that there are multiple variants of those genes within the population. Particular combinations of MHC alleles are known as MHC haplotypes.

The MHC classical class I molecules are expressed on the cell surface of all nucleated cells including neuronal cells in the brain, and they can present peptides derived from intracellular proteins or cellular-infected viral proteins to circulating CD8+ cytotoxic T-cells. The MHC class I molecules can also serve as inhibitory ligands for natural killer (NK) cells. In comparison, the MHC class II genes encode for cell-surface glycoproteins that bind extracellular peptides and present them to circulating CD4+ T helper cells. The expression of MHC class II genes is a characteristic of professional antigen-presenting cells such as dendritic cells, macrophages, and B cells, but expression also can be found in several other cell types. The term MHC stems historically from its role in graft rejection and tissue compatibility within donor–recipient pairs. The extensive polymorphism between the MHC molecules probably protects populations from different invading pathogens, and yet, in the clinic, it adds to the difficulty of finding matched pairs for successful transplantation outcomes.

The MHC genes, haplotypes, and polymorphic molecules are investigated continuously due to their crucial role in the regulation of innate and adaptive immune responses; the pathogenesis of numerous infectious and/or autoimmune diseases; brain development and plasticity; olfaction; therapeutic vaccinations and T cell-based immunotherapy; and the compatibility of grafted tissue, which also concerns potential graft-versus-host disease involving hematopoietic stem cell transplants. Recent reports describe a role for neuronal MHC-I in synaptic plasticity, brain development, axonal regeneration, neuroinflammatory processes, and immune-mediated neurodegeneration. In humans, the MHC (HLA) genes are part of the supra-locus on chromosome 6p21 known as the human leukocyte antigen (HLA) system. This genomic complex consists of more than 200 genes, some located closely together as haplotype blocks and involved in inflammatory and immune-response, heat shock, and complement cascade systems; cytokine signalling; and the regulation of various aspects of cellular development, differentiation, and apoptosis. Also, there are thousands of putative microRNA encoding loci within HLA genes and the HLA genomic region that may be expressed by different cell types and play a role in the regulation of immune-response genes and in the etiology of numerous diseases.

The aim of this Special Issue is to examine further the role of the polymorphic MHC class I and class II genes, haplotypes, and molecules in health and disease in humans and other species in particular with respect to cellular functions. Analysing the structure, function, and disease associations of the MHC class I and class II genes and molecules in human and other species will improve our understanding of their role in innate and adaptive immunity, neurology and brain disease, autoimmunity, infectious diseases, cancer, and self and non-self recognition.

Dr. Jerzy K. Kulski
Prof. Takashi Shiina
Dr. Johannes M. Dijkstra
Guest Editors
LanguageEnglish
TypeGuest Editor for Special Issue in Cells entitled "Major Histocompatibility Complex (MHC) in Health and Disease" Deadline for submissions 31 May 2019.
Publication statusPublished - 2019

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Major Histocompatibility Complex
Health
MHC Class II Genes
HLA Antigens
Haplotypes
Genes
Peptides
Histocompatibility
Adaptive Immunity
Innate Immunity
Communicable Diseases
Brain
MHC Class I Genes
T-Lymphocytes
Heat-Shock Response
Histocompatibility Antigens
Neuronal Plasticity
Smell
Membrane Glycoproteins
Graft Rejection

Cite this

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Major Histocompatibility Complex (MHC) in Health and Disease". / Kulski, Jerzy.

2019, Guest Editor for Special Issue in Cells entitled "Major Histocompatibility Complex (MHC) in Health and Disease" Deadline for submissions 31 May 2019. .

Research output: Other contribution

TY - GEN

T1 - Major Histocompatibility Complex (MHC) in Health and Disease"

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PY - 2019

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N2 - Special Issue InformationDear Colleagues,The Major Histocompatibility Complex (MHC) antigen presenting molecules consist of two primary classes of glycoproteins that bind peptides derived from intracellular or extracellular antigens and play an integral role in adaptive and innate immune defense systems. They are present in all classes of jawed vertebrates. The MHC genes are polygenic and encode a set of MHC molecules with different ranges of peptide-binding specificities that can be divided into MHC class I and MHC class II depending on their structure and phylogeny. Typically, species have several highly polymorphic genes of both class I and class II, so that there are multiple variants of those genes within the population. Particular combinations of MHC alleles are known as MHC haplotypes.The MHC classical class I molecules are expressed on the cell surface of all nucleated cells including neuronal cells in the brain, and they can present peptides derived from intracellular proteins or cellular-infected viral proteins to circulating CD8+ cytotoxic T-cells. The MHC class I molecules can also serve as inhibitory ligands for natural killer (NK) cells. In comparison, the MHC class II genes encode for cell-surface glycoproteins that bind extracellular peptides and present them to circulating CD4+ T helper cells. The expression of MHC class II genes is a characteristic of professional antigen-presenting cells such as dendritic cells, macrophages, and B cells, but expression also can be found in several other cell types. The term MHC stems historically from its role in graft rejection and tissue compatibility within donor–recipient pairs. The extensive polymorphism between the MHC molecules probably protects populations from different invading pathogens, and yet, in the clinic, it adds to the difficulty of finding matched pairs for successful transplantation outcomes.The MHC genes, haplotypes, and polymorphic molecules are investigated continuously due to their crucial role in the regulation of innate and adaptive immune responses; the pathogenesis of numerous infectious and/or autoimmune diseases; brain development and plasticity; olfaction; therapeutic vaccinations and T cell-based immunotherapy; and the compatibility of grafted tissue, which also concerns potential graft-versus-host disease involving hematopoietic stem cell transplants. Recent reports describe a role for neuronal MHC-I in synaptic plasticity, brain development, axonal regeneration, neuroinflammatory processes, and immune-mediated neurodegeneration. In humans, the MHC (HLA) genes are part of the supra-locus on chromosome 6p21 known as the human leukocyte antigen (HLA) system. This genomic complex consists of more than 200 genes, some located closely together as haplotype blocks and involved in inflammatory and immune-response, heat shock, and complement cascade systems; cytokine signalling; and the regulation of various aspects of cellular development, differentiation, and apoptosis. Also, there are thousands of putative microRNA encoding loci within HLA genes and the HLA genomic region that may be expressed by different cell types and play a role in the regulation of immune-response genes and in the etiology of numerous diseases.The aim of this Special Issue is to examine further the role of the polymorphic MHC class I and class II genes, haplotypes, and molecules in health and disease in humans and other species in particular with respect to cellular functions. Analysing the structure, function, and disease associations of the MHC class I and class II genes and molecules in human and other species will improve our understanding of their role in innate and adaptive immunity, neurology and brain disease, autoimmunity, infectious diseases, cancer, and self and non-self recognition.Dr. Jerzy K. KulskiProf. Takashi ShiinaDr. Johannes M. DijkstraGuest Editors

AB - Special Issue InformationDear Colleagues,The Major Histocompatibility Complex (MHC) antigen presenting molecules consist of two primary classes of glycoproteins that bind peptides derived from intracellular or extracellular antigens and play an integral role in adaptive and innate immune defense systems. They are present in all classes of jawed vertebrates. The MHC genes are polygenic and encode a set of MHC molecules with different ranges of peptide-binding specificities that can be divided into MHC class I and MHC class II depending on their structure and phylogeny. Typically, species have several highly polymorphic genes of both class I and class II, so that there are multiple variants of those genes within the population. Particular combinations of MHC alleles are known as MHC haplotypes.The MHC classical class I molecules are expressed on the cell surface of all nucleated cells including neuronal cells in the brain, and they can present peptides derived from intracellular proteins or cellular-infected viral proteins to circulating CD8+ cytotoxic T-cells. The MHC class I molecules can also serve as inhibitory ligands for natural killer (NK) cells. In comparison, the MHC class II genes encode for cell-surface glycoproteins that bind extracellular peptides and present them to circulating CD4+ T helper cells. The expression of MHC class II genes is a characteristic of professional antigen-presenting cells such as dendritic cells, macrophages, and B cells, but expression also can be found in several other cell types. The term MHC stems historically from its role in graft rejection and tissue compatibility within donor–recipient pairs. The extensive polymorphism between the MHC molecules probably protects populations from different invading pathogens, and yet, in the clinic, it adds to the difficulty of finding matched pairs for successful transplantation outcomes.The MHC genes, haplotypes, and polymorphic molecules are investigated continuously due to their crucial role in the regulation of innate and adaptive immune responses; the pathogenesis of numerous infectious and/or autoimmune diseases; brain development and plasticity; olfaction; therapeutic vaccinations and T cell-based immunotherapy; and the compatibility of grafted tissue, which also concerns potential graft-versus-host disease involving hematopoietic stem cell transplants. Recent reports describe a role for neuronal MHC-I in synaptic plasticity, brain development, axonal regeneration, neuroinflammatory processes, and immune-mediated neurodegeneration. In humans, the MHC (HLA) genes are part of the supra-locus on chromosome 6p21 known as the human leukocyte antigen (HLA) system. This genomic complex consists of more than 200 genes, some located closely together as haplotype blocks and involved in inflammatory and immune-response, heat shock, and complement cascade systems; cytokine signalling; and the regulation of various aspects of cellular development, differentiation, and apoptosis. Also, there are thousands of putative microRNA encoding loci within HLA genes and the HLA genomic region that may be expressed by different cell types and play a role in the regulation of immune-response genes and in the etiology of numerous diseases.The aim of this Special Issue is to examine further the role of the polymorphic MHC class I and class II genes, haplotypes, and molecules in health and disease in humans and other species in particular with respect to cellular functions. Analysing the structure, function, and disease associations of the MHC class I and class II genes and molecules in human and other species will improve our understanding of their role in innate and adaptive immunity, neurology and brain disease, autoimmunity, infectious diseases, cancer, and self and non-self recognition.Dr. Jerzy K. KulskiProf. Takashi ShiinaDr. Johannes M. DijkstraGuest Editors

M3 - Other contribution

ER -