- Adaptive Immune System, organism-specific biosystem (from REACTOME)
Adaptive Immune System, organism-specific biosystemAdaptive immunity refers to antigen-specific immune response efficiently involved in clearing the pathogens. The adaptive immune system is comprised of B and T lymphocytes that express receptors with...
- Disease, organism-specific biosystem (from REACTOME)
Disease, organism-specific biosystemBiological processes are captured in Reactome by identifying the molecules (DNA, RNA, protein, small molecules) involved in them and describing the details of their interactions. From this molecular ...
- Downstream Signaling Events Of B Cell Receptor (BCR), organism-specific biosystem (from REACTOME)
Downstream Signaling Events Of B Cell Receptor (BCR), organism-specific biosystemSecond messengers (calcium, diacylglycerol, inositol 1,4,5-trisphosphate, and phosphatidyinositol 3,4,5-trisphosphate) trigger signaling pathways: NF-kappaB is activated via protein kinase C beta, RA...
- Downstream signal transduction, organism-specific biosystem (from REACTOME)
Downstream signal transduction, organism-specific biosystemThe role of autophosphorylation sites on PDGF receptors are to provide docking sites for downstream signal transduction molecules which contain SH2 domains. The SH2 domain is a conserved motif of aro...
- Downstream signaling of activated FGFR, organism-specific biosystem (from REACTOME)
Downstream signaling of activated FGFR, organism-specific biosystemSignaling via FGFRs is mediated via direct recruitment of signaling proteins that bind to tyrosine auto-phosphorylation sites on the activated receptor and via closely linked docking proteins that be...
- GAB1 signalosome, organism-specific biosystem (from REACTOME)
GAB1 signalosome, organism-specific biosystemGAB1 is recruited to the activated EGFR indirectly, through GRB2. GAB1 acts as an adaptor protein that enables formation of an active PIK3, through recruitment of PIK3 regulatory subunit PIK3R1 (also...
- Immune System, organism-specific biosystem (from REACTOME)
Immune System, organism-specific biosystemHumans are exposed to millions of potential pathogens daily, through contact, ingestion, and inhalation. Our ability to avoid infection depends on the adaptive immune system and during the first crit...
- NGF signalling via TRKA from the plasma membrane, organism-specific biosystem (from REACTOME)
NGF signalling via TRKA from the plasma membrane, organism-specific biosystemTrk receptors signal from the plasma membrane and from intracellular membranes, particularly from early endosomes. Signalling from the plasma membrane is fast but transient; signalling from endosomes...
- Negative regulation of the PI3K/AKT network, organism-specific biosystem (from REACTOME)
Negative regulation of the PI3K/AKT network, organism-specific biosystemThe PI3K/AKT network is negatively regulated by phosphatases that dephosphorylate PIP3, thus hampering AKT activation.
- PI-3K cascade, organism-specific biosystem (from REACTOME)
PI-3K cascade, organism-specific biosystemThe ability of growth factors to protect from apoptosis is primarily due to the activation of the AKT survival pathway. P-I-3-kinase dependent activation of PDK leads to the activation of AKT which i...
- PI3K events in ERBB2 signaling, organism-specific biosystem (from REACTOME)
PI3K events in ERBB2 signaling, organism-specific biosystemERBB2:ERBB3 and ERBB2:ERBB4cyt1 heterodimers activate PI3K signaling by direct binding of PI3K regulatory subunit p85 (Yang et al. 2007, Cohen et al. 1996, Kaushansky et al. 2008) to phosphorylated t...
- PI3K events in ERBB4 signaling, organism-specific biosystem (from REACTOME)
PI3K events in ERBB4 signaling, organism-specific biosystemThe CYT1 isoforms of ERBB4 possess a C-tail tyrosine residue that, upon trans-autophosphorylation, serves as a docking site for the p85 alpha subunit of PI3K - PIK3R1 (Kaushansky et al. 2008, Cohen e...
- PI3K/AKT activation, organism-specific biosystem (from REACTOME)
PI3K/AKT activation, organism-specific biosystemPI3K/AKT signalling is a major regulator of neuron survival. It blocks cell death by both impinging on the cytoplasmic cell death machinery and by regulating the expression of genes involved in cell...
- PIP3 activates AKT signaling, organism-specific biosystem (from REACTOME)
PIP3 activates AKT signaling, organism-specific biosystemSignaling by AKT is one of the key outcomes of activation of receptor tyrosine kinases (RTKs). Following ligand binding and autophosphorylation, RTKs recruit the 85 kDa regulatory subunit of PI3K (PI...
- Signal Transduction, organism-specific biosystem (from REACTOME)
Signal Transduction, organism-specific biosystemSignal transduction is a process in which extracellular signals elicit changes in cell state and activity. Transmembrane receptors sense changes in the cellular environment by binding ligands, such a...
- Signaling by EGFR, organism-specific biosystem (from REACTOME)
Signaling by EGFR, organism-specific biosystemThe epidermal growth factor receptor (EGFR) is one member of the ERBB family of transmembrane glycoprotein tyrosine receptor kinases (RTK). Binding of EGFR to its ligands induces conformational chang...
- Signaling by EGFR in Cancer, organism-specific biosystem (from REACTOME)
Signaling by EGFR in Cancer, organism-specific biosystemThe pathway "Signaling by EGFR in Cancer" shows "Signaling by constitutively active EGFR" in parallel with "Signaling by EGFR". This allows users to compare signaling by constitutively active EGFR ca...
- Signaling by ERBB2, organism-specific biosystem (from REACTOME)
Signaling by ERBB2, organism-specific biosystemERBB2, also known as HER2 or NEU, is a receptor tyrosine kinase (RTK) belonging to the EGFR family. ERBB2 possesses an extracellular domain that does not bind any known ligand, contrary to other EGFR...
- Signaling by ERBB4, organism-specific biosystem (from REACTOME)
Signaling by ERBB4, organism-specific biosystemERBB4, also known as HER4, belongs to the ERBB family of receptors, which also includes ERBB1 (EGFR i.e. HER1), ERBB2 (HER2 i.e. NEU) and ERBB3 (HER3). Similar to EGFR, ERBB4 has an extracellular lig...
- Signaling by FGFR, organism-specific biosystem (from REACTOME)
Signaling by FGFR, organism-specific biosystemThe 22 members of the fibroblast growth factor (FGF) family of growth factors mediate their cellular responses by binding to and activating the different isoforms encoded by the four receptor tyrosin...
- Signaling by PDGF, organism-specific biosystem (from REACTOME)
Signaling by PDGF, organism-specific biosystemPlatelet-derived Growth Factor (PDGF) is a potent stimulator of growth and motility of connective tissue cells such as fibroblasts and smooth muscle cells as well as other cells such as capillary end...
- Signaling by SCF-KIT, organism-specific biosystem (from REACTOME)
Signaling by SCF-KIT, organism-specific biosystemStem cell factor (SCF) is a growth factor with membrane bound and soluble forms. It is expressed by fibroblasts and endothelial cells throughout the body, promoting proliferation, migration, survival...
- Signaling by the B Cell Receptor (BCR), organism-specific biosystem (from REACTOME)
Signaling by the B Cell Receptor (BCR), organism-specific biosystemMature B cells express IgM and IgD immunoglobulins which are complexed at the plasma membrane with Ig-alpha (CD79A, MB-1) and Ig-beta (CD79B, B29) to form the B cell receptor (BCR) (Fu et al. 1974, F...
- Signalling by NGF, organism-specific biosystem (from REACTOME)
Signalling by NGF, organism-specific biosystemNeurotrophins (NGF, BDNF, NT-3, NT-4/5) play pivotal roles in survival, differentiation, and plasticity of neurons in the peripheral and central nervous system. They are produced, and secreted in mi...