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Links from Protein

Items: 1 to 20 of 207

1.

Apelin signaling pathway

Apelin is an endogenous peptide capable of binding the apelin receptor (APJ), which was originally described as an orphan G-protein-coupled receptor. Apelin and APJ are widely expressed in various tissues and organ systems. They are implicated in different key physiological processes...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
2.

Phospholipase D signaling pathway

Phospholipase D (PLD) is an essential enzyme responsible for the production of the lipid second messenger phosphatidic acid (PA), which is involved in fundamental cellular processes, including membrane trafficking, actin cytoskeleton remodeling, cell proliferation and cell survival....

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
3.

cGMP-PKG signaling pathway

Cyclic GMP (cGMP) is the intracellular second messenger that mediates the action of nitric oxide (NO) and natriuretic peptides (NPs), regulating a broad array of physiologic processes. The elevated intracellular cGMP level exerts its physiological action through two forms of cGMP-dependent...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
4.

Oxytocin signaling pathway

Oxytocin (OT) is a nonapeptide synthesized by the magno-cellular neurons located in the supraoptic (SON) and paraventricular (PVN) nuclei of the hypothalamus. It exerts a wide variety of central and peripheral effects. However, its best-known and most well-established roles are stimulation...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
5.

Platelet activation

Platelets play a key and beneficial role for primary hemostasis on the disruption of the integrity of vessel wall. Platelet adhesion and activation at sites of vascular wall injury is initiated by adhesion to adhesive macromolecules, such as collagen and von Willebrand factor (vWF),...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
6.

Adrenergic signaling in cardiomyocytes

Cardiac myocytes express at least six subtypes of adrenergic receptor (AR) which include three subtypes of beta-AR (beta-1, beta-2, beta-3) and three subtypes of the alpha-1-AR (alpha-1A, alpha-1B, and alpha-1C). In the human heart the beta-1-AR is the pre- dominate receptor. Acute...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
7.

PI3K-Akt signaling pathway

The phosphatidylinositol 3' -kinase(PI3K)-Akt signaling pathway is activated by many types of cellular stimuli or toxic insults and regulates fundamental cellular functions such as transcription, translation, proliferation, growth, and survival. The binding of growth factors to their...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
8.

Cholinergic synapse

Acetylcholine (ACh) is a neurotransmitter widely distributed in the central (and also peripheral, autonomic and enteric) nervous system (CNS). In the CNS, ACh facilitates many functions, such as learning, memory, attention and motor control. When released in the synaptic cleft, ACh...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
9.

Toxoplasmosis

Toxoplasma gondii is an obligate intracellular parasite that is prevalent worldwide. The tachyzoite form acquired by oral ingestion downmodulates proinflammatory signaling pathways via various mechanisms. During early infection, nuclear translocation of NFkB is temporally blocked...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
10.

Synthesis of PIPs at the plasma membrane

At the plasma membrane, subsequent phosphorylation of phosphatidylinositol 4-phosphate (PI4P) produces phosphatidylinositol 4,5-bisphosphate (PI(4,5)P2) and phosphatidylinositol 3,4,5-trisphosphate (PI(3,4,5)P3) while the actions of various other kinases and phosphatases produces...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
11.

G beta:gamma signalling through PI3Kgamma

PI3K gamma (PI3KG) is a heterodimer consisting of a p110 catalytic subunit associated with a regulatory p101 or p84 subunit. PI3KG is most highly expressed in neutrophils, where the p101 form predominates (approximately 95%). G beta:gamma recruits PI3KG to the plasma membrane, both...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
12.

GPVI-mediated activation cascade

The GPVI receptor is a complex of the GPVI protein with Fc epsilon R1 gamma (FcR). The Src family kinases Fyn and Lyn constitutively associate with the GPVI-FcR complex in platelets and initiate platelet activation through phosphorylation of the immunoreceptor tyrosine-based activation...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
13.

3-phosphoinositide biosynthesis

: Phosphoinositides "Phosphoinositides" play a key role in signal transduction, transmitting signals from the cell surface to modulate intracellular processes. One well known phosphoinositide pathway produces the secondary messengers : INOSITOL-1-4-5-TRISPHOSPHATE and : DIACYLGLYCEROL...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
14.

Extracellular vesicle-mediated signaling in recipient cells

Protein sorting during formation of multivesicular bodies results in packaging of key molecules in exosomes. Exosomes bound-signaling ligands once released from host cells interacts with the receptors on the recipient cells to induce downstream signaling cascades pivotal in the initiation...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
15.

Phospholipase D signaling pathway

Phospholipase D (PLD) is an essential enzyme responsible for the production of the lipid second messenger phosphatidic acid (PA), which is involved in fundamental cellular processes, including membrane trafficking, actin cytoskeleton remodeling, cell proliferation and cell survival....

Type
:
pathway
Taxonomic scope
:
conserved biosystem
16.

PI Metabolism

Phosphatidylinositol (PI), a membrane phospholipid, can be reversibly phosphorylated at the 3, 4, and 5 positions of the inositol ring to generate seven phosphoinositides: phosphatidylinositol 3-phosphate (PI3P), phosphatidylinositol 4-phosphate (PI4P), phosphatidylinositol 5-phosphate...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
17.

G-protein beta:gamma signalling

The classical role of the G-protein beta/gamma dimer was believed to be the inactivation of the alpha subunit, Gbeta/gamma was viewed as a negative regulator of Galpha signalling. It is now known that Gbeta/gamma subunits can directly modulate many effectors, including some also regulated...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
18.

GPCR downstream signaling

G protein-coupled receptors (GPCRs) are classically defined as the receptor, G-protein and downstream effectors, the alpha subunit of the G-protein being the primary signaling molecule. However, it has become clear that this greatly oversimplifies the complexities of GPCR signaling...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
19.

Platelet activation, signaling and aggregation

Platelet activation begins with the initial binding of adhesive ligands and of the excitatory platelet agonists (released or generated at the sites of vascular trauma) to cognate receptors on the platelet membrane (Ruggeri 2002). Intracellular signaling reactions then enhance the...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
20.

Hemostasis

Hemostasis is a physiological response that culminates in the arrest of bleeding from an injured vessel. Under normal conditions the vascular endothelium supports vasodilation, inhibits platelet adhesion and activation, suppresses coagulation, enhances fibrin cleavage and is anti-inflammatory...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens

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