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Glucose transporter type 4 (GLUT4), also known as solute carrier family 2, facilitated glucose transporter member 4, is a protein encoded, in humans, by the SLC2A4 gene. GLUT4 is the insulin -regulated glucose transporter found primarily in adipose tissues and striated muscle (skeletal and cardiac).
Expressed mostly in neurons (where it is believed to be the main glucose transporter isoform), and in the placenta. Is a high-affinity isoform, allowing it to transport even in times of low glucose concentrations. GLUT4: Expressed in adipose tissues and striated muscle (skeletal muscle and cardiac muscle). Is the insulin-regulated glucose ...
In muscle and adipose tissue, glucose enters through GLUT 4 receptors via facilitated diffusion (). In brain, retina, kidney, RBC, placenta and many other organs, glucose enters using GLUT 1 and GLUT 3. In the beta-cells of the pancreas and in liver cells, glucose enters through the GLUT 2 receptors [3] (process described below).
GLUT3 is primarily expressed in neurons, specifically in cell processes (axons and dendrites), however, it is also found in many other cells throughout the body. [6] GLUT4 is an insulin-responsive glucose transporter located in the heart, skeletal muscle, brain, and adipose tissue. GLUT4 is generally in vesicles in the cytoplasm.
The insulin signal transduction pathway begins when insulin binds to the insulin receptor proteins. Once the transduction pathway is completed, the GLUT-4 storage vesicles becomes one with the cellular membrane. As a result, the GLUT-4 protein channels become embedded into the membrane, allowing glucose to be transported into the cell.
The researchers found that both SGLT2 inhibitors and GLP-1 agonists were associated with a lower risk of major cardiovascular events, but the drug effects varied with the patients’ age.
n/a Ensembl n/a n/a UniProt n a n/a RefSeq (mRNA) n/a n/a RefSeq (protein) n/a n/a Location (UCSC) n/a n/a PubMed search n/a n/a Wikidata View/Edit Human Glucose transporter 1 (or GLUT1), also known as solute carrier family 2, facilitated glucose transporter member 1 (SLC2A1), is a uniporter protein that in humans is encoded by the SLC2A1 gene. GLUT1 facilitates the transport of glucose across ...
n/a Ensembl n/a n/a UniProt n a n/a RefSeq (mRNA) n/a n/a RefSeq (protein) n/a n/a Location (UCSC) n/a n/a PubMed search n/a n/a Wikidata View/Edit Human Glut2basal.png Glucose transporter 2 (GLUT2) also known as solute carrier family 2 (facilitated glucose transporter), member 2 (SLC2A2) is a transmembrane carrier protein that enables protein facilitated glucose movement across cell membranes ...