BP

GO:0001541

ovarian follicle development

The process whose specific outcome is the progression of the ovarian follicle over time, from its formation to the mature structure.

IEA

BP

GO:0001910

regulation of leukocyte mediated cytotoxicity

Any process that modulates the frequency, rate, or extent of leukocyte mediated cytotoxicity.

TAS

BP

GO:0001975

response to amphetamine

Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an amphetamine stimulus. Amphetamines consist of a group of compounds related to alpha-methylphenethylamine.

IEA

BP

GO:0002291

T cell activation via T cell receptor contact with antigen bound to MHC molecule on antigen presenting cell

The change in morphology and behavior of a mature or immature T cell resulting from exposure to an antigen for which its T cell receptor is specific bound to an MHC molecule on an antigen presenting cell, leading to the initiation or perpetuation of an immune response.

IMP

BP

GO:0002438

acute inflammatory response to antigenic stimulus

An acute inflammatory response to an antigenic stimulus. An acute inflammatory response occurs within a matter of minutes or hours, and either resolves within a few days or becomes a chronic inflammatory response.

IEA

BP

GO:0002457

T cell antigen processing and presentation

The process in which a T cell expresses antigen (peptide or lipid) on its cell surface in association with an MHC protein complex.

IEA

BP

GO:0002693

positive regulation of cellular extravasation

Any process that activates or increases the frequency, rate, or extent of cellular extravasation.

IMP

BP

GO:0007155

cell adhesion

The attachment of a cell, either to another cell or to an underlying substrate such as the extracellular matrix, via cell adhesion molecules.

IDA

BP

GO:0007157

heterophilic cell-cell adhesion via plasma membrane cell adhesion molecules

The attachment of an adhesion molecule in one cell to a nonidentical adhesion molecule in an adjacent cell.

TAS

BP

GO:0007159

leukocyte cell-cell adhesion

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

IMP

BP

GO:0007569

cell aging

An aging process that has as participant a cell after a cell has stopped dividing. Cell aging may occur when a cell has temporarily stopped dividing through cell cycle arrest (GO:0007050) or when a cell has permanently stopped dividing, in which case it is undergoing cellular senescence (GO:0090398). May precede cell death (GO:0008219) and succeed cell maturation (GO:0048469).

IEA

BP

GO:0007605

sensory perception of sound

The series of events required for an organism to receive an auditory stimulus, convert it to a molecular signal, and recognize and characterize the signal. Sonic stimuli are detected in the form of vibrations and are processed to form a sound.

IEA

BP

GO:0008360

regulation of cell shape

Any process that modulates the surface configuration of a cell.

IEA

BP

GO:0010212

response to ionizing radiation

Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a ionizing radiation stimulus. Ionizing radiation is radiation with sufficient energy to remove electrons from atoms and may arise from spontaneous decay of unstable isotopes, resulting in alpha and beta particles and gamma rays. Ionizing radiation also includes X-rays.

IEA

BP

GO:0010477

response to sulfur dioxide

Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a sulfur dioxide (SO2) stimulus.

IEA

BP

GO:0014070

response to organic cyclic compound

Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an organic cyclic compound stimulus.

IEA

BP

GO:0022614

membrane to membrane docking

The initial attachment of a membrane to a target membrane, mediated by proteins protruding from the two membranes. Docking requires only that the membranes come close enough for the proteins to interact and adhere.

IEP

BP

GO:0030155

regulation of cell adhesion

Any process that modulates the frequency, rate or extent of attachment of a cell to another cell or to the extracellular matrix.

IEA

BP

GO:0030198

extracellular matrix organization

A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of an extracellular matrix.

TAS

BP

GO:0030838

positive regulation of actin filament polymerization

Any process that activates or increases the frequency, rate or extent of actin polymerization.

IEA

BP

GO:0031669

cellular response to nutrient levels

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 reflecting the presence, absence, or concentration of nutrients.

IEA

BP

GO:0033627

cell adhesion mediated by integrin

The attachment of a cell, either to another cell or to an underlying substrate such as the extracellular matrix, via an integrin, a heterodimeric adhesion receptor formed by the non-covalent association of particular alpha and beta subunits.

IEA

BP

GO:0034698

response to gonadotropin

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

IEA

BP

GO:0042493

response to drug

Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a drug stimulus. A drug is a substance used in the diagnosis, treatment or prevention of a disease.

IEA

BP

GO:0043200

response to amino acid

Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an amino acid stimulus. An amino acid is a carboxylic acids containing one or more amino groups.

IEA

BP

GO:0043547

positive regulation of GTPase activity

Any process that activates or increases the activity of a GTPase.

IEA

BP

GO:0044406

adhesion of symbiont to host

The attachment of a symbiont to its host via adhesion molecules, general stickiness etc., either directly or indirectly. The host is defined as the larger of the organisms involved in a symbiotic interaction.

IDA

BP

GO:0045429

positive regulation of nitric oxide biosynthetic process

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

IEA

BP

GO:0045471

response to ethanol

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

IEA

BP

GO:0045907

positive regulation of vasoconstriction

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

IEA

BP

GO:0046688

response to copper ion

Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a copper ion stimulus.

IEA

BP

GO:0046718

viral entry into host cell

The process that occurs after viral attachment by which a virus, or viral nucleic acid, breaches the plasma membrane or cell envelope and enters the host cell. The process ends when the viral nucleic acid is released into the host cell cytoplasm.

IEA

BP

GO:0046813

receptor-mediated virion attachment to host cell

The process by which a virion attaches to a host cell by binding to a receptor on the host cell surface.

IDA

BP

GO:0050731

positive regulation of peptidyl-tyrosine phosphorylation

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

IEA

BP

GO:0050776

regulation of immune response

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

TAS

BP

GO:0050900

leukocyte migration

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

IEP

BP

GO:0051092

positive regulation of NF-kappaB transcription factor activity

Any process that activates or increases the frequency, rate or extent of activity of the transcription factor NF-kappaB.

IEA

BP

GO:0051926

negative regulation of calcium ion transport

Any process that stops, prevents, or reduces the frequency, rate or extent of the directed movement of calcium ions into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.

IEA

BP

GO:0060333

interferon-gamma-mediated signaling pathway

A series of molecular signals initiated by the binding of interferon-gamma to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription. Interferon gamma is the only member of the type II interferon found so far.

TAS

BP

GO:0061028

establishment of endothelial barrier

The establishment of a barrier between endothelial cell layers, such as those in the brain, lung or intestine, to exert specific and selective control over the passage of water and solutes, thus allowing formation and maintenance of compartments that differ in fluid and solute composition.

IGI

BP

GO:0070374

positive regulation of ERK1 and ERK2 cascade

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

IMP

BP

GO:0071222

cellular response to lipopolysaccharide

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 lipopolysaccharide stimulus; lipopolysaccharide is a major component of the cell wall of gram-negative bacteria.

IEA

BP

GO:0071312

cellular response to alkaloid

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 an alkaloid stimulus. Alkaloids are a large group of nitrogenous substances found in naturally in plants, many of which have extracts that are pharmacologically active.

IEA

BP

GO:0071333

cellular response to glucose stimulus

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 glucose stimulus.

IEA

BP

GO:0071347

cellular response to interleukin-1

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 an interleukin-1 stimulus.

IEA

BP

GO:0071356

cellular response to tumor necrosis factor

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 tumor necrosis factor stimulus.

IEA

BP

GO:0071456

cellular response to hypoxia

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 indicating lowered oxygen tension. Hypoxia, defined as a decline in O2 levels below normoxic levels of 20.8 - 20.95%, results in metabolic adaptation at both the cellular and organismal level.

IEA

BP

GO:0097368

establishment of Sertoli cell barrier

Establishment of a structure near the basement membrane in adjacent Sertoli cells of the seminiferous epithelium for maintaining spermatogenesis. The structure consists of tight junctions, basal ectoplasmic specializations, and desmosome-like junctions.

IEA

BP

GO:1900027

regulation of ruffle assembly

Any process that modulates the frequency, rate or extent of ruffle assembly.

IEA

BP

GO:1902042

negative regulation of extrinsic apoptotic signaling pathway via death domain receptors

Any process that stops, prevents or reduces the frequency, rate or extent of extrinsic apoptotic signaling pathway via death domain receptors.

IDA

BP

GO:2000352

negative regulation of endothelial cell apoptotic process

Any process that stops, prevents or reduces the frequency, rate or extent of endothelial cell apoptotic process.

IDA

CC

GO:0001772

immunological synapse

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.

IEA

CC

GO:0005615

extracellular space

That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.

IDA

CC

GO:0005886

plasma membrane

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

TAS

CC

GO:0005887

integral component of plasma membrane

The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.

TAS

CC

GO:0005925

focal adhesion

Small region on the surface of a cell that anchors the cell to the extracellular matrix and that forms a point of termination of actin filaments.

IDA

CC

GO:0009897

external side of plasma membrane

The leaflet of the plasma membrane that faces away from the cytoplasm and any proteins embedded or anchored in it or attached to its surface.

IEA

CC

GO:0009986

cell surface

The external part of the cell wall and/or plasma membrane.

IDA

CC

GO:0016020

membrane

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

IDA

CC

GO:0045121

membrane raft

Any of the small (10-200 nm), heterogeneous, highly dynamic, sterol- and sphingolipid-enriched membrane domains that compartmentalize cellular processes. Small rafts can sometimes be stabilized to form larger platforms through protein-protein and protein-lipid interactions.

IEA

CC

GO:0070062

extracellular exosome

A membrane-bounded vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.

IDA

MF

GO:0001618

virus receptor activity

Combining with a virus component and mediating entry of the virus into the cell.

IEA

MF

GO:0004872

receptor activity

Combining with an extracellular or intracellular messenger to initiate a change in cell activity.

TAS

MF

GO:0004888

transmembrane signaling receptor activity

Combining with an extracellular or intracellular signal and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity or state as part of signal transduction.

TAS

MF

GO:0005178

integrin binding

Interacting selectively and non-covalently with an integrin.

IDA|IPI

MF

GO:0005515

protein binding

Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).

IPI