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CTLA-4

Index CTLA-4

CTLA4 or CTLA-4 (cytotoxic T-lymphocyte-associated protein 4), also known as CD152 (cluster of differentiation 152), is a protein receptor that, functioning as an immune checkpoint, downregulates immune responses. [1]

70 relations: Abatacept, Alternative splicing, Antibody, Antigen-presenting cell, AP2M1, Arthritis, Arthritis Research & Therapy, Autoimmune disease, Autoimmunity, Belatacept, Cancer immunotherapy, CD28, CD3 (immunology), CD80, CD86, Cluster of differentiation, Coeliac disease, Cytoplasm, Diabetes mellitus, Disulfide, Dominance (genetics), Enteropathy, Epstein–Barr virus, Expressivity (genetics), Extracellular, Fusion protein, Gene knockout, Generation, Germline, Graves' disease, Haploinsufficiency, Hashimoto's thyroiditis, Hemolytic anemia, Hepatosplenomegaly, Hypogammaglobulinemia, Immune checkpoint, Immune system, Immunoglobulin superfamily, Immunoglobulin V-set domain, Ipilimumab, Linker for Activation of T cells, Lymphadenopathy, Lymphoma, Memory B cell, Mimesis, Mutation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, National Institutes of Health Clinical Center, Penetrance, ..., Phosphoinositide 3-kinase, PPP2R5A, Primary biliary cholangitis, Protein dimer, Protein isoform, Protein phosphatase 2, Protein–protein interaction, Psoriasis, PTPN11, Receptor (biochemistry), Regulatory T cell, SH3 domain, Systemic lupus erythematosus, T cell, T helper cell, Tak Wah Mak, Thrombocytopenia, Thyroiditis, Transmembrane protein, Tremelimumab. Expand index (20 more) »

Abatacept

Abatacept (marketed as Orencia) is a drug used to treat autoimmune diseases like rheumatoid arthritis, by interfering with the immune activity of T cells.

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Alternative splicing

Alternative splicing, or differential splicing, is a regulated process during gene expression that results in a single gene coding for multiple proteins.

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Antibody

An antibody (Ab), also known as an immunoglobulin (Ig), is a large, Y-shaped protein produced mainly by plasma cells that is used by the immune system to neutralize pathogens such as pathogenic bacteria and viruses.

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Antigen-presenting cell

An antigen-presenting cell (APC) or accessory cell is a cell that displays antigen complexed with major histocompatibility complexes (MHCs) on their surfaces; this process is known as antigen presentation.

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AP2M1

AP-2 complex subunit mu is a protein that in humans is encoded by the AP2M1 gene.

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Arthritis

Arthritis is a term often used to mean any disorder that affects joints.

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Arthritis Research & Therapy

Arthritis Research & Therapy, formerly Arthritis Research, is a peer-reviewed open access medical journal covering the field of cellular and molecular mechanisms of arthritis, musculoskeletal conditions, and systemic autoimmune rheumatic diseases.

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Autoimmune disease

An autoimmune disease is a condition arising from an abnormal immune response to a normal body part.

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Autoimmunity

Autoimmunity is the system of immune responses of an organism against its own healthy cells and tissues.

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Belatacept

Belatacept (trade name Nulojix) is a fusion protein composed of the Fc fragment of a human IgG1 immunoglobulin linked to the extracellular domain of CTLA-4, which is a molecule crucial in the regulation of T cell costimulation, selectively blocking the process of T-cell activation.

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Cancer immunotherapy

Cancer immunotherapy (sometimes called immuno-oncology, abbreviated IO) is the use of the immune system to treat cancer.

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CD28

CD28 (Cluster of Differentiation 28) is one of the proteins expressed on T cells that provide co-stimulatory signals required for T cell activation and survival.

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CD3 (immunology)

In immunology, the CD3 (cluster of differentiation 3) T cell co-receptor helps to activate both the cytotoxic T cell (CD8+ naive T cells) and also T helper cells (CD4+ naive T cells).

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CD80

Cluster of differentiation 80 (also CD80 and B7-1) is a protein found on dendritic cells, activated B cells and monocytes that provides a costimulatory signal necessary for T cell activation and survival.

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CD86

Cluster of Differentiation 86 (also known as CD86 and B7-2) is a protein expressed on antigen-presenting cells that provides costimulatory signals necessary for T cell activation and survival.

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Cluster of differentiation

The cluster of differentiation (also known as cluster of designation or classification determinant and often abbreviated as CD) is a protocol used for the identification and investigation of cell surface molecules providing targets for immunophenotyping of cells.

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Coeliac disease

Coeliac disease, also spelled celiac disease, is a long-term autoimmune disorder that primarily affects the small intestine.

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Cytoplasm

In cell biology, the cytoplasm is the material within a living cell, excluding the cell nucleus.

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Diabetes mellitus

Diabetes mellitus (DM), commonly referred to as diabetes, is a group of metabolic disorders in which there are high blood sugar levels over a prolonged period.

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Disulfide

In chemistry, a disulfide refers to a functional group with the structure R−S−S−R′.

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Dominance (genetics)

Dominance in genetics is a relationship between alleles of one gene, in which the effect on phenotype of one allele masks the contribution of a second allele at the same locus.

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Enteropathy

Enteropathy refers to any pathology of the intestine.

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Epstein–Barr virus

The Epstein–Barr virus (EBV), also called human herpesvirus 4 (HHV-4), is one of eight known human herpesvirus types in the herpes family, and is one of the most common viruses in humans.

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Expressivity (genetics)

In genetics, expressivity quantifies variation in a non-binary phenotype across individuals carrying a particular genotype.

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Extracellular

In cell biology, molecular biology and related fields, the word extracellular (or sometimes extracellular space) means "outside the cell".

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Fusion protein

Fusion proteins or chimeric (\kī-ˈmir-ik) proteins (literally, made of parts from different sources) are proteins created through the joining of two or more genes that originally coded for separate proteins.

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Gene knockout

A gene knockout (abbreviation: KO) is a genetic technique in which one of an organism's genes is made inoperative ("knocked out" of the organism).

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Generation

A generation is "all of the people born and living at about the same time, regarded collectively." It can also be described as, "the average period, generally considered to be about thirty years, during which children are born and grow up, become adults, and begin to have children of their own." In kinship terminology, it is a structural term designating the parent-child relationship.

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Germline

In biology and genetics, the germline in a multicellular organism is the population of its bodily cells that are so differentiated or segregated that in the usual processes of reproduction they may pass on their genetic material to the progeny.

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Graves' disease

Graves' disease, also known as toxic diffuse goiter, is an autoimmune disease that affects the thyroid.

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Haploinsufficiency

Haploinsufficiency is a mechanism of action to explain a phenotype when a diploid organism has lost one copy of a gene and is left with a single functional copy of that gene.

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Hashimoto's thyroiditis

Hashimoto's thyroiditis, also known as chronic lymphocytic thyroiditis and Hashimoto's disease, is an autoimmune disease in which the thyroid gland is gradually destroyed.

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Hemolytic anemia

Hemolytic anemia or haemolytic anaemia is a form of anemia due to hemolysis, the abnormal breakdown of red blood cells (RBCs), either in the blood vessels (intravascular hemolysis) or elsewhere in the human body (extravascular, but usually in the spleen).

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Hepatosplenomegaly

Hepatosplenomegaly (commonly abbreviated HSM) is the simultaneous enlargement of both the liver (hepatomegaly) and the spleen (splenomegaly).

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Hypogammaglobulinemia

Hypogammaglobulinemia is a type of primary immunodeficiency disease in which not enough gamma globulins exist in the blood (thus hypo- + gamma + globulin + -emia).

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Immune checkpoint

Immune checkpoints are regulators of the immune system.

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Immune system

The immune system is a host defense system comprising many biological structures and processes within an organism that protects against disease.

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Immunoglobulin superfamily

The immunoglobulin superfamily (IgSF) is a large protein superfamily of cell surface and soluble proteins that are involved in the recognition, binding, or adhesion processes of cells.

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Immunoglobulin V-set domain

V-set domains are Ig-like domains resembling the antibody variable domain.

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Ipilimumab

Ipilimumab (trade name Yervoy) is a monoclonal antibody that works to activate the immune system by targeting CTLA-4, a protein receptor that downregulates the immune system.

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Linker for Activation of T cells

The Linker for Activation of T cells, also known as Linker of Activated T cells or LAT, is a protein which in humans is encoded by the LAT gene.

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Lymphadenopathy

Lymphadenopathy or adenopathy is disease of the lymph nodes, in which they are abnormal in size, number, or consistency.

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Lymphoma

Lymphoma is a group of blood cancers that develop from lymphocytes (a type of white blood cell).

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Memory B cell

Memory B cells are a B cell sub-type that are formed within germinal centers following primary infection and are important in generating an accelerated and more robust antibody-mediated immune response in the case of re-infection (also known as a secondary immune response).

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Mimesis

Mimesis (μίμησις (mīmēsis), from μιμεῖσθαι (mīmeisthai), "to imitate", from μῖμος (mimos), "imitator, actor") is a critical and philosophical term that carries a wide range of meanings, which include imitation, representation, mimicry, imitatio, receptivity, nonsensuous similarity, the act of resembling, the act of expression, and the presentation of the self.

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Mutation

In biology, a mutation is the permanent alteration of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements.

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National Institute of Allergy and Infectious Diseases

The National Institute of Allergy and Infectious Diseases (NIAID) is one of the 27 institutes and centers that make up the National Institutes of Health (NIH), an agency of the United States Department of Health and Human Services (HHS).

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National Institutes of Health

The National Institutes of Health (NIH) is the primary agency of the United States government responsible for biomedical and public health research, founded in the late 1870s.

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National Institutes of Health Clinical Center

The National Institutes of Health (NIH) Clinical Center is a hospital solely dedicated to clinical research at the NIH campus in Bethesda, Maryland.

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Penetrance

Penetrance in genetics is the proportion of individuals carrying a particular variant (or allele) of a gene (the genotype) that also express an associated trait (the phenotype).

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Phosphoinositide 3-kinase

Phosphatidylinositol-4,5-bisphosphate 3-kinase (also called phosphatidylinositide 3-kinases, phosphatidylinositol-3-kinases, PI 3-kinases, PI(3)Ks, PI-3Ks or by the HUGO official stem symbol for the gene family, PI3K(s)) are a family of enzymes involved in cellular functions such as cell growth, proliferation, differentiation, motility, survival and intracellular trafficking, which in turn are involved in cancer.

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PPP2R5A

Serine/threonine-protein phosphatase 2A 56 kDa regulatory subunit alpha isoform is an enzyme that in humans is encoded by the PPP2R5A gene.

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Primary biliary cholangitis

Primary biliary cholangitis (PBC), previously known as primary biliary cirrhosis, is an autoimmune disease of the liver.

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Protein dimer

In biochemistry, a protein dimer is a macromolecular complex formed by two protein monomers, or single proteins, which are usually non-covalently bound.

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Protein isoform

A protein isoform, or "protein variant" is a member of a set of highly similar proteins that originate from a single gene or gene family and are the result of genetic differences.

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Protein phosphatase 2

Protein phosphatase 2 (PP2), also known as PP2A, is an enzyme that in humans is encoded by the PPP2CA gene.

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Protein–protein interaction

Protein–protein interactions (PPIs) are the physical contacts of high specificity established between two or more protein molecules as a result of biochemical events steered by electrostatic forces including the hydrophobic effect.

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Psoriasis

Psoriasis is a long-lasting autoimmune disease characterized by patches of abnormal skin.

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PTPN11

Tyrosine-protein phosphatase non-receptor type 11 (PTPN11) also known as protein-tyrosine phosphatase 1D (PTP-1D), SHP-2, or protein-tyrosine phosphatase 2C (PTP-2C) is an enzyme that in humans is encoded by the PTPN11 gene.

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Receptor (biochemistry)

In biochemistry and pharmacology, a receptor is a protein molecule that receives chemical signals from outside a cell.

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Regulatory T cell

The regulatory T cells (Tregs), formerly known as suppressor T cells, are a subpopulation of T cells that modulate the immune system, maintain tolerance to self-antigens, and prevent autoimmune disease.

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SH3 domain

The SRC Homology 3 Domain (or SH3 domain) is a small protein domain of about 60 amino acid residues.

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Systemic lupus erythematosus

Systemic lupus erythematosus (SLE), also known simply as lupus, is an autoimmune disease in which the body's immune system mistakenly attacks healthy tissue in many parts of the body.

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T cell

A T cell, or T lymphocyte, is a type of lymphocyte (a subtype of white blood cell) that plays a central role in cell-mediated immunity.

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T helper cell

The T helper cells (Th cells) are a type of T cell that play an important role in the immune system, particularly in the adaptive immune system.

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Tak Wah Mak

Tak Wah Mak, (麥德華; born October 4, 1946 in China) is a Canadian medical researcher, geneticist, oncologist, and biochemist.

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Thrombocytopenia

Thrombocytopenia is a condition characterized by abnormally low levels of thrombocytes, also known as platelets, in the blood.

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Thyroiditis

Thyroiditis is the inflammation of the thyroid gland.

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Transmembrane protein

A transmembrane protein (TP) is a type of integral membrane protein that spans the entirety of the biological membrane to which it is permanently attached.

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Tremelimumab

Tremelimumab (formerly ticilimumab, CP-675,206) is a fully human monoclonal antibody against CTLA-4.

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Redirects here:

Anti-CTLA-4, CD152, CTLA4, CTLA4 (gene), Cd152, Ctla4, Cytotoxic T-lymphocyte antigen 4, Cytotoxic T-lymphocyte-associated protein 4.

References

[1] https://en.wikipedia.org/wiki/CTLA-4

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