Reactome: A Curated Pathway Database
Results 1 to 10 of 73
Pathways (7) Reactions (31) Proteins (1) Others (34)
Protein: UniProt:P01241 GH1 (Homo sapiens)
Last changed: 2014-11-25 20:54:06

Pathway: Signal Transduction (Homo sapiens)
Signal 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 as hormones and growth factors, or reacting to other types of stimuli, such as light. Stimulation of transmembrane receptors leads to their conformational change which propagates the signal to the intracellu
Last changed: 2014-11-21 19:49:01

Pathway: Immune System (Homo sapiens)
Humans 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 critical hours and days of exposure to a new pathogen, our innate immune system
Last changed: 2014-11-21 19:49:01

Pathway: Growth hormone receptor signaling (Homo sapiens)
Growth hormone (Somatotropin or GH) is a key factor in determining lean body mass, stimulating the growth and metabolism of muscle, bone and cartilage cells, while reducing body fat. It has many other roles; it acts to regulate cell growth, differentiation, apoptosis, and reorganisation of the cytoskeleton, affecting diverse processes such as cardiac function, immune function, brain function, and aging
Last changed: 2014-11-21 14:40:22

Pathway: Cytokine Signaling in Immune system (Homo sapiens)
Cytokines are small proteins that regulate and mediate immunity, inflammation, and hematopoiesis. They are secreted in response to immune stimuli, and usually act briefly, locally, at very low concentrations. Cytokines bind to specific membrane receptors, which then signal the cell via second messengers, to regulate cellular activity
Last changed: 2014-11-21 19:49:01

Pathway: Prolactin receptor signaling (Homo sapiens)
Prolactin (PRL) is a hormone secreted mainly by the anterior pituitary gland. It was originally identified by its ability to stimulate the development of the mammary gland and lactation, but is now known to have numerous and varied functions (Bole-Feysot et al. 1998). Despite this, few pathologies have been associated with abnormalities in prolactin receptor (PRLR) signaling, though roles in various fo
Last changed: 2014-11-21 06:36:34

Pathway: Signaling by ERBB4 (Homo sapiens)
ERBB4, 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 ligand binding domain, a single transmembrane domain and a cytoplasmic domain which contains an active tyrosine kinase and a C-tail with multiple phosphorylation sites. At least three and possibly four splicin
Last changed: 2014-11-21 19:49:01

Pathway: Nuclear signaling by ERBB4 (Homo sapiens)
Besides signaling as a transmembrane receptor, ligand activated homodimers of ERBB4 JM-A isoforms (ERBB4 JM-A CYT1 and ERBB4 JM-A CYT2) undergo proteolytic cleavage by ADAM17 (TACE) in the juxtamembrane region, resulting in shedding of the extracellular domain and formation of an 80 kDa membrane bound ERBB4 fragment known as ERBB4 m80 (Rio et al. 2000, Cheng et al. 2003). ERBB4 m80 undergoes further pr
Last changed: 2014-11-21 14:40:22

Reaction: STAT5 tyrosine phosphorylation (Homo sapiens)
Stat5 tyrosine phosphorylation was seen in response to GH in CHO cells expressing mouse GHR forms capable of binding JAK2 (Smit et al. 1996). Similar results were obtained using the porcine receptor (Wang et al. 1996). Thus Jak2 phosphorylates Stat5, the phosphorylated monomers form dimers and translocate to the nucleus (Darnell et al. 1994)
Last changed: 2014-11-21 06:36:34

Reaction: SH2B binds JAK2 (Homo sapiens)
The SH2 domains of SH2B beta (Uniprot isoform Q9NRF2-2) binds JAK2 at Tyr813. SH2B beta is able to homodimerize while bound to JAK2 molecules, suggesting that SH2B binding and dimerization may help induce JAK2 transactivation (Nishi et al. 2005). Computational modeling suggests that SH2B beta can enhance Jak2 activation (Barua et al. 2009). The relevance of this for PRLR signalling has yet to be demons
Last changed: 2014-11-21 06:36:34

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