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The family of sodium channels has 9 known members, with amino acid identity >50% in the trans-membrane segments and extracellular loop regions. A standardized nomenclature for sodium channels is currently used and is maintained by the IUPHAR. [11] The proteins of these channels are named Na v 1.1 through Na v 1.9.
The epithelial sodium channel (ENaC), (also known as amiloride-sensitive sodium channel) is a membrane-bound ion channel that is selectively permeable to sodium ions (Na +).It is assembled as a heterotrimer composed of three homologous subunits α or δ, β, and γ, [2] These subunits are encoded by four genes: SCNN1A, SCNN1B, SCNN1G, and SCNN1D.
Voltage-gated sodium channels (VGSCs), also known as voltage-dependent sodium channels (VDSCs), are a group of voltage-gated ion channels found in the membrane of excitable cells (e.g., muscle, glial cells, neurons, etc.) with a permeability to the sodium ion Na +. They are the main channels involved in action potential of excitable cells.
20264 Ensembl ENSG00000185313 ENSMUSG00000034533 UniProt Q9Y5Y9 Q6QIY3 RefSeq (mRNA) NM_001293306 NM_001293307 NM_006514 NM_001205321 NM_009134 RefSeq (protein) NP_001280235 NP_001280236 NP_006505 NP_001192250 NP_033160 Location (UCSC) Chr 3: 38.7 – 38.82 Mb Chr 9: 119.44 – 119.55 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Na v 1.8 is a sodium ion channel subtype that in ...
Sodium channel protein type 5 subunit alpha, also known as Na V 1.5 is an integral membrane protein and tetrodotoxin-resistant voltage-gated sodium channel subunit. Na V 1.5 is found primarily in cardiac muscle, where it mediates the fast influx of Na +-ions (I Na) across the cell membrane, resulting in the fast depolarization phase of the cardiac action potential.
The sodium–potassium pump, a critical enzyme for regulating sodium and potassium levels in cells. Sodium ions (Na +) are necessary in small amounts for some types of plants, [1] but sodium as a nutrient is more generally needed in larger amounts [1] by animals, due to their use of it for generation of nerve impulses and for maintenance of electrolyte balance and fluid balance.
Blood culture bottle: Sodium polyanethol sulfonate (anticoagulant) and growth media for microorganisms: Usually drawn first for minimal risk of contamination. [1] Two bottles are typically collected in one blood draw; one for aerobic organisms and one for anaerobic organisms. [2] Blue ("light blue") Sodium citrate (weak calcium chelator ...
Acid-sensing ion channels (ASICs) are neuronal voltage-insensitive sodium channels activated by extracellular protons permeable to Na +. ASIC1 also shows low Ca 2+ permeability. [2] ASIC proteins are a subfamily of the ENaC/Deg superfamily of ion channels. These genes have splice variants that encode for several isoforms that are marked by a ...