glucose transporters (type, presence, properties)
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7 Terms
1
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GluT1
present in:
* RBC
* brain
* kidney
* colon
* retina
* placenta
properties:
* glucose uptake in most cells
* RBC
* brain
* kidney
* colon
* retina
* placenta
properties:
* glucose uptake in most cells
2
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GluT2
present in:
* serosal surface of intestinal cells
* liver
* beta cells of pancreas
properties:
* low affinity
* glucose uptake in liver; glucose sensor in beta cells
* not under influence of insulin
* serosal surface of intestinal cells
* liver
* beta cells of pancreas
properties:
* low affinity
* glucose uptake in liver; glucose sensor in beta cells
* not under influence of insulin
3
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GluT3
present in:
* neurons
properties:
* high affinity
* glucose into brain cells
* neurons
properties:
* high affinity
* glucose into brain cells
4
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GluT4
present in:
* skeletal
* heart muscle
* adipose tissue
properties:
* insulin mediated glucose uptake
* skeletal
* heart muscle
* adipose tissue
properties:
* insulin mediated glucose uptake
5
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GluT5
present in:
* small intestine
* testis
* sperms
* kidney
properties:
* fructose transporter
* poor ability to transport glucose
* small intestine
* testis
* sperms
* kidney
properties:
* fructose transporter
* poor ability to transport glucose
6
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GluT7
present in:
* liver
* endoplasmic reticulum
properties:
* glucose from ER to cytoplasm
* liver
* endoplasmic reticulum
properties:
* glucose from ER to cytoplasm
7
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SGluT
present in:
* intestine
* kidney
properties:
* cotransport; lumen to cell
* intestine
* kidney
properties:
* cotransport; lumen to cell
Note 
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