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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 ...
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 ...
GLUT1 is a hydrophobic protein and 50% of GLUT1 is in the lipid bilayer. GLUT1 is present in the placenta, brain, epithelial cells of the mammary gland, transformed cells, and fetal tissue. [5] Due to its ubiquitous presence, it is proposed that GLUT1 is at least somewhat responsible for basal glucose uptake. [5]
It is an integral membrane protein carrier with a hydrophilic interior, which allows it to bind to glucose. As GLUT 1 is a type of carrier protein, it will undergo a conformational change to allow glucose to enter the other side of the plasma membrane. [22] GLUT 1 is commonly found in the red blood cell membranes of mammals. [23]
GLUT1 deficiency syndrome, also known as GLUT1-DS, De Vivo disease or Glucose transporter type 1 deficiency syndrome, is an autosomal dominant genetic metabolic disorder associated with a deficiency of GLUT1, the protein that transports glucose across the blood brain barrier. [1]
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).
An example of a symporter mediated transport protein is SGLT1, a sodium/glucose co-transporter protein that is mainly found in the intestinal tract. The SGLT1 protein is a symporter system because it passes both glucose and sodium in the same direction, from the lumen of the intestine to inside the intestinal cells. [4]
The glucose transporter (GLUTs) is a type of uniporter responsible for the facilitated diffusion of glucose molecules across cell membranes. [9] Glucose is a vital energy source for most living cells, however, due to its large size, it cannot freely move through the cell membrane. [16]