An immune response mediated by cells expressing specific receptors for antigen produced through a somatic diversification process, and allowing for an enhanced secondary response to subsequent exposures to the same antigen (immunological memory).

The process of introducing a phosphate group on to a protein.

The process whose specific outcome is the progression of a lymph vessel over time, from its formation to the mature structure.

Lymph vessel formation when new vessels emerge from the proliferation of pre-existing vessels.

Lymph vessel formation when new vessels emerge from the proliferation of pre-existing vessels.

A change in morphology and behavior of a macrophage resulting from exposure to a cytokine, chemokine, cellular ligand, or soluble factor, leading to the initiation or perpetuation of an immune response.

The change in morphology and behavior of a neutrophil resulting from exposure to a cytokine, chemokine, cellular ligand, or soluble factor, leading to the initiation or perpetuation of an immune response.

A change in morphology and behavior of a leukocyte resulting from exposure to a specific antigen, mitogen, cytokine, cellular ligand, or soluble factor, leading to the initiation or perpetuation of an immune response.

The regulated release of serotonin by a platelet or group of platelets.

The attachment of a leukocyte to another cell via adhesion molecules.

A series of molecular signals initiated by the binding of extracellular ligand to an integrin on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.

Any process that modulates the rate or frequency of platelet activation. Platelet activation is a series of progressive, overlapping events triggered by exposure of the platelets to subendothelial tissue.

The phosphorylation of peptidyl-tyrosine to form peptidyl-O4'-phospho-L-tyrosine.

The directed movement of a neutrophil cell, the most numerous polymorphonuclear leukocyte found in the blood, in response to an external stimulus, usually an infection or wounding.

Any process that modulates the frequency, rate or extent of enzymatic generation of superoxide by a cell.

Any process that activates or increases the frequency, rate, or extent of cell adhesion mediated by integrin.

Reactions triggered in response to the presence of a bacterium that act to protect the cell or organism.

Any process that modulates the frequency, rate, or extent of neutrophil degranulation.

Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens.

Any process that activates or increases the frequency, rate or extent of bone resorption.

The process in which the anatomical structures of blood vessels are generated and organized. The blood vessel is the vasculature carrying blood.

Any process that modulates the frequency, rate or extent of phagocytosis, the process in which phagocytes engulf external particulate material.

Any process that modulates the frequency, rate or extent of signal transduction mediated by the ERK1 and ERK2 cascade.

Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus by molecules of fungal origin such as chito-octamer oligosaccharide.

Any process that increases the frequency, rate or extent of cell migration involved in sprouting angiogenesis. Cell migration involved in sprouting angiogenesis is the orderly movement of endothelial cells into the extracellular matrix in order to form new blood vessels contributing to the process of sprouting angiogenesis.

Any process that increases the frequency, rate or extent of cell migration involved in sprouting angiogenesis. Cell migration involved in sprouting angiogenesis is the orderly movement of endothelial cells into the extracellular matrix in order to form new blood vessels contributing to the process of sprouting angiogenesis.

Any process that modulates the rate, frequency, or extent of arachidonic acid secretion, the controlled release of arachidonic acid from a cell or a tissue.

Any process that modulates the rate, frequency or extent of platelet aggregation. Platelet aggregation is the adhesion of one platelet to one or more other platelets via adhesion molecules.

Any process that activates or increases the frequency, rate or extent of cold-induced thermogenesis.

The process of introducing a phosphate group on to a protein.

The phosphorylation of peptidyl-tyrosine to form peptidyl-O4'-phospho-L-tyrosine.

A receptor-mediated endocytosis process that results in the movement of receptors from the plasma membrane to the inside of the cell. The process begins when cell surface receptors are monoubiquitinated following ligand-induced activation. Receptors are subsequently taken up into endocytic vesicles from where they are either targeted to the lysosome or vacuole for degradation or recycled back to the plasma membrane.

Any process that activates or increases the frequency, rate, or extent of interleukin-4 production.

A series of molecular signals initiated by the binding of interleukin-3 to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription.

Any process that activates or increases the frequency, rate or extent of B cell differentiation.

The phosphorylation by a protein of one or more of its own amino acid residues (cis-autophosphorylation), or residues on an identical protein (trans-autophosphorylation).

A series of molecular signals initiated by the cross-linking of an antigen receptor on a B cell.

Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a low-density lipoprotein particle stimulus.

The process of introducing a phosphate group on to a protein.

The process in which a signal is passed on to downstream components within the cell, which become activated themselves to further propagate the signal and finally trigger a change in the function or state of the cell.

Any process that activates or increases the frequency, rate or extent of mast cell degranulation.

The process in which successful recombination of a T cell receptor beta chain into a translatable protein coding sequence leads to rescue from apoptosis and subsequent proliferation of an immature T cell.

Any process that activates or increases the frequency, rate or extent of alpha-beta T cell differentiation.

Any process that activates or increases the frequency, rate or extent of alpha-beta T cell proliferation.

Any process that activates or increases the frequency, rate or extent of calcium-mediated signaling.

The initiation of the activity of the inactive enzyme MAP kinase (MAPK).

The initiation of the activity of the inactive enzyme MAP kinase (MAPK).

The regulated release of serotonin by a cell. Serotonin (5-hydroxytryptamine, or 5-HT) is a monoamine synthesised in serotonergic neurons in the central nervous system, enterochromaffin cells in the gastrointestinal tract and some immune system cells.

The process whose specific outcome is the progression of a lymph vessel over time, from its formation to the mature structure.

Any process that activates or increases the frequency, rate or extent of receptor internalization.

Any series of molecular signals generated as a consequence of binding to a C-type lectin receptor capable of cellular activation.

A change in morphology and behavior of a macrophage resulting from exposure to a cytokine, chemokine, cellular ligand, or soluble factor, leading to the initiation or perpetuation of an immune response.

The change in morphology and behavior of a neutrophil resulting from exposure to a cytokine, chemokine, cellular ligand, or soluble factor, leading to the initiation or perpetuation of an immune response.

A change in morphology and behavior of a leukocyte resulting from exposure to a specific antigen, mitogen, cytokine, cellular ligand, or soluble factor, leading to the initiation or perpetuation of an immune response.

The regulated release of serotonin by a platelet or group of platelets.

The directed movement of a protein from the cytoplasm to the nucleus.

The directed movement of a protein from the cytoplasm to the nucleus.

The attachment of a leukocyte to another cell via adhesion molecules.

The attachment of a leukocyte to another cell via adhesion molecules.

A series of molecular signals initiated by activation of a receptor on the surface of a cell. The pathway begins with binding of an extracellular ligand to a cell surface receptor, or for receptors that signal in the absence of a ligand, by ligand-withdrawal or the activity of a constitutively active receptor. The pathway ends with regulation of a downstream cellular process, e.g. transcription.

A series of molecular signals initiated by activation of a receptor on the surface of a cell. The pathway begins with binding of an extracellular ligand to a cell surface receptor, or for receptors that signal in the absence of a ligand, by ligand-withdrawal or the activity of a constitutively active receptor. The pathway ends with regulation of a downstream cellular process, e.g. transcription.

Any series of molecular signals initiated by the binding of an extracellular ligand to a receptor on the surface of the target cell, where the receptor possesses catalytic activity or is closely associated with an enzyme such as a protein kinase, and ending with regulation of a downstream cellular process, e.g. transcription.

A series of molecular signals that proceeds with an activated receptor promoting the exchange of GDP for GTP on the alpha-subunit of an associated heterotrimeric G-protein complex. The GTP-bound activated alpha-G-protein then dissociates from the beta- and gamma-subunits to further transmit the signal within the cell. The pathway begins with receptor-ligand interaction, or for basal GPCR signaling the pathway begins with the receptor activating its G protein in the absence of an agonist, and ends with regulation of a downstream cellular process, e.g. transcription. The pathway can start from the plasma membrane, Golgi or nuclear membrane (PMID:24568158 and PMID:16902576).

A series of molecular signals initiated by the binding of extracellular ligand to an integrin on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.

A series of molecular signals initiated by the binding of extracellular ligand to an integrin on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.

The initiation of the activity of the inactive enzyme JUN kinase (JNK).

Morphogenesis of an animal organ. An organ is defined as a tissue or set of tissues that work together to perform a specific function or functions. Morphogenesis is the process in which anatomical structures are generated and organized. Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions.

Any process that modulates the rate or frequency of platelet activation. Platelet activation is a series of progressive, overlapping events triggered by exposure of the platelets to subendothelial tissue.

Any process that modulates the rate or extent of the tumor necrosis factor-mediated signaling pathway. The tumor necrosis factor-mediated signaling pathway is the series of molecular signals generated as a consequence of tumor necrosis factor binding to a cell surface receptor.

Any process that modulates the rate or extent of the tumor necrosis factor-mediated signaling pathway. The tumor necrosis factor-mediated signaling pathway is the series of molecular signals generated as a consequence of tumor necrosis factor binding to a cell surface receptor.

The phosphorylation of peptidyl-serine to form peptidyl-O-phospho-L-serine.

The chemical reactions and pathways resulting in the formation of leukotriene, a pharmacologically active substance derived from a polyunsaturated fatty acid, such as arachidonic acid.

A series of progressive, overlapping events triggered by exposure of the platelets to subendothelial tissue. These events include shape change, adhesiveness, aggregation, and release reactions. When carried through to completion, these events lead to the formation of a stable hemostatic plug.

The directed movement of a neutrophil cell, the most numerous polymorphonuclear leukocyte found in the blood, in response to an external stimulus, usually an infection or wounding.

The directed movement of a neutrophil cell, the most numerous polymorphonuclear leukocyte found in the blood, in response to an external stimulus, usually an infection or wounding.

Any process that activates or increases the frequency, rate or extent of protein complex assembly.

Any process that activates or increases the frequency, rate or extent of protein complex assembly.

A receptor-mediated endocytosis process that results in the movement of receptors from the plasma membrane to the inside of the cell. The process begins when cell surface receptors are monoubiquitinated following ligand-induced activation. Receptors are subsequently taken up into endocytic vesicles from where they are either targeted to the lysosome or vacuole for degradation or recycled back to the plasma membrane.

Any process that activates or increases the frequency, rate, or extent of type I interferon production. Type I interferons include the interferon-alpha, beta, delta, episilon, zeta, kappa, tau, and omega gene families.

Any process that activates or increases the frequency, rate, or extent of interleukin-4 production.

Any process that modulates the frequency, rate or extent of enzymatic generation of superoxide by a cell.

Any process that activates or increases the frequency, rate or extent of enzymatic generation of superoxide by a cell.

Any process that activates or increases the frequency, rate, or extent of cell adhesion mediated by integrin.

The process in which a signal is passed on to downstream components within the cell, which become activated themselves to further propagate the signal and finally trigger a change in the function or state of the cell.

A series of molecular signals initiated by the binding of collagen to a receptor on the surface of the target cell where the receptor possesses tyrosine kinase activity. The pathway ends with regulation of a downstream cellular process, e.g. transcription.

A series of molecular signals initiated by the binding of the Fc portion of immunoglobulin E (IgE) to an Fc-epsilon receptor on the surface of a signal-receiving cell, and ending with regulation of a downstream cellular process, e.g. transcription. The Fc portion of an immunoglobulin is its C-terminal constant region.

An Fc-gamma receptor signaling pathway that contributes to the endocytic engulfment of external particulate material by phagocytes.

A series of molecular signals initiated by the binding of interleukin-2 to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription.

A series of molecular signals initiated by the binding of interleukin-3 to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription.

Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of tumor necrosis factor, an inflammatory cytokine produced by macrophages/monocytes during acute inflammation and which is responsible for a diverse range of signaling events within cells, leading to necrosis or apoptosis.

Reactions triggered in response to the presence of a bacterium that act to protect the cell or organism.

Any process that activates or increases the activity of a cysteine-type endopeptidase involved in the apoptotic process.

Any process that activates or increases the activity of a cysteine-type endopeptidase involved in the apoptotic process.

Any process that activates or increases the frequency, rate or extent of mast cell degranulation.

Any process that modulates the frequency, rate, or extent of neutrophil degranulation.

Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of interleukin-10.

Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of interleukin-12.

Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens.

Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of interleukin-3.

Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of interleukin-6.

Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of interleukin-8.

Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of granulocyte macrophage colony-stimulating factor.

Any process that activates or increases the frequency, rate or extent of B cell differentiation.

Any process that activates or increases the frequency, rate or extent of gamma-delta T cell differentiation.

Any process that activates or increases the frequency, rate or extent of bone resorption.

The phosphorylation by a protein of one or more of its own amino acid residues (cis-autophosphorylation), or residues on an identical protein (trans-autophosphorylation).

The process in which the anatomical structures of blood vessels are generated and organized. The blood vessel is the vasculature carrying blood.

Any process that activates or increases the frequency, rate or extent of the regulated release of cytokines from a cell.

Any process that activates or increases the frequency, rate or extent of the phosphorylation of peptidyl-tyrosine.

Any process that modulates the frequency, rate or extent of phagocytosis, the process in which phagocytes engulf external particulate material.

Any process that modulates the frequency, rate or extent of the immune response, the immunological reaction of an organism to an immunogenic stimulus.

A series of molecular signals initiated by the cross-linking of an antigen receptor on a B cell.

Any process that modulates the frequency, rate or extent of the activity of a transcription factor, any factor involved in the initiation or regulation of transcription.

Any process that modulates the frequency, rate or extent of the activity of a transcription factor, any factor involved in the initiation or regulation of transcription.

Any process that activates or increases the frequency, rate or extent of the killing by an organism of cells in another organism.

Any process that modulates the frequency, rate or extent of signal transduction mediated by the ERK1 and ERK2 cascade.

Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus by molecules of fungal origin such as chito-octamer oligosaccharide.

Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a low-density lipoprotein particle stimulus.

Any process that activates or increases the frequency, rate, or extent of production of monocyte chemotactic protein-1.

Any process that modulates the rate, frequency, or extent of arachidonic acid secretion, the controlled release of arachidonic acid from a cell or a tissue.

Any process that modulates the rate, frequency or extent of platelet aggregation. Platelet aggregation is the adhesion of one platelet to one or more other platelets via adhesion molecules.

Any process that activates or increases the frequency, rate or extent of cold-induced thermogenesis.

An immune response mediated by cells expressing specific receptors for antigen produced through a somatic diversification process, and allowing for an enhanced secondary response to subsequent exposures to the same antigen (immunological memory).

An immune response mediated by cells expressing specific receptors for antigen produced through a somatic diversification process, and allowing for an enhanced secondary response to subsequent exposures to the same antigen (immunological memory).

The process of introducing a phosphate group on to a protein.

The process of introducing a phosphate group on to a protein.

Any immune system process that functions in the calibrated response of an organism to a potential internal or invasive threat.

Any immune system process that functions in the calibrated response of an organism to a potential internal or invasive threat.

The phosphorylation of peptidyl-tyrosine to form peptidyl-O4'-phospho-L-tyrosine.

The process in which a precursor cell type acquires characteristics of a more mature T-cell. A T cell is a type of lymphocyte whose definin characteristic is the expression of a T cell receptor complex.

The process in which a signal is passed on to downstream components within the cell, which become activated themselves to further propagate the signal and finally trigger a change in the function or state of the cell.

The change in morphology and behavior of a mature or immature T cell resulting from exposure to a mitogen, cytokine, chemokine, cellular ligand, or an antigen for which it is specific.

The change in morphology and behavior of a mature or immature B cell resulting from exposure to a mitogen, cytokine, chemokine, cellular ligand, or an antigen for which it is specific.

The process of sparing immature T cells in the thymus which react with self-MHC protein complexes with low affinity levels from apoptotic death.

The process of sparing immature T cells in the thymus which react with self-MHC protein complexes with low affinity levels from apoptotic death.

The process of sparing immature T cells in the thymus which react with self-MHC protein complexes with low affinity levels from apoptotic death.

The process of elimination of immature T cells in the thymus which react strongly with self-antigens.

The process of T cell selection that occurs in the thymus.

Any process that activates or increases the frequency, rate or extent of T cell differentiation.

Any process that activates or increases the frequency, rate or extent of T cell differentiation.

Any process that activates or increases the frequency, rate or extent of T cell differentiation.

Any process that activates or increases the frequency, rate or extent of alpha-beta T cell differentiation.

The phosphorylation by a protein of one or more of its own amino acid residues (cis-autophosphorylation), or residues on an identical protein (trans-autophosphorylation).

Any process that modulates the frequency, rate or extent of the immune response, the immunological reaction of an organism to an immunogenic stimulus.

A series of molecular signals initiated by the cross-linking of an antigen receptor on a T cell.

A series of molecular signals initiated by the cross-linking of an antigen receptor on a T cell.

A series of molecular signals initiated by the cross-linking of an antigen receptor on a B cell.

Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a hydrogen peroxide (H2O2) stimulus.

The adhesion of one T cell to one or more other T cells via adhesion molecules.

The movement of a T cell within or between different tissues and organs of the body.

The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

A membrane-bounded intracellular vesicle as initially formed upon the ingestion of particulate material by phagocytosis.

The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

A stable assembly of two or more macromolecules, i.e. proteins, nucleic acids, carbohydrates or lipids, in which at least one component is a protein and the constituent parts function together.

All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

A protein complex that contains a disulfide-linked heterodimer of T cell receptor (TCR) chains, which are members of the immunoglobulin superfamily, and mediates antigen recognition, ultimately resulting in T cell activation. The TCR heterodimer is associated with the CD3 complex, which consists of the nonpolymorphic polypeptides gamma, delta, epsilon, zeta, and, in some cases, eta (an RNA splice variant of zeta) or Fc epsilon chains.

A protein complex that contains a disulfide-linked heterodimer of T cell receptor (TCR) chains, which are members of the immunoglobulin superfamily, and mediates antigen recognition, ultimately resulting in T cell activation. The TCR heterodimer is associated with the CD3 complex, which consists of the nonpolymorphic polypeptides gamma, delta, epsilon, zeta, and, in some cases, eta (an RNA splice variant of zeta) or Fc epsilon chains.

A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.

A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.

All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

An immunoglobulin complex that is present in the plasma membrane of B cells and that in its canonical form is composed of two identical immunoglobulin heavy chains and two identical immunoglobulin light chains and a signaling subunit, a heterodimer of the Ig-alpha and Ig-beta proteins.

A membrane-bounded intracellular vesicle as initially formed upon the ingestion of particulate material by phagocytosis.

A stable assembly of two or more macromolecules, i.e. proteins, nucleic acids, carbohydrates or lipids, in which at least one component is a protein and the constituent parts function together.

An area of close contact between a lymphocyte (T-, B-, or natural killer cell) and a target cell formed through the clustering of particular signaling and adhesion molecules and their associated membrane rafts on both the lymphocyte and the target cell and facilitating activation of the lymphocyte, transfer of membrane from the target cell to the lymphocyte, and in some situations killing of the target cell through release of secretory granules and/or death-pathway ligand-receptor interaction.

All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

A cell junction that forms a connection between two or more cells in a multicellular organism; excludes direct cytoplasmic junctions such as ring canals.

A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.