GLUT transporters

[Phloston]

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Skeletal muscle gets its glucose via GLUT4 only.

What about smooth and cardiac muscle? How do they uptake their glucose?

UWorld has a chart for the GLUT transporters, and for GLUT4 it just says "muscle and adipocytes," but FA, on p. 315, says skeletal muscle for GLUT4, which contradicts UWorld's implication of muscle in general.

Any thoughts?

 

[exudate]

GLUT-4 is found in adipose tissue and striated muscle, so that would include cardiac and skeletal muscles right? But I am not sure what GLUT is found in smooth muscle.

And aren't they just trying to tell us that GLUT 4 is insulin dependent and others aren't?

 

[Chirurg]

GLUT-4 is found in adipose tissue and striated muscle, so that would include cardiac and skeletal muscles right? But I am not sure what GLUT is found in smooth muscle.

And aren't they just trying to tell us that GLUT 4 is insulin dependent and others aren't?

Don't know about smooth muscle either but RapidReview Biochemistry agrees with you GLUT-4: skeletal muscle, cardiac muscle and adipose tissue

 

[Phloston]

Smooth muscle:

http://www.ncbi.nlm.nih.gov/pubmed/15890973

http://atvb.ahajournals.org/content/25/8/1596.full

http://www.ncbi.nlm.nih.gov/pubmed/20947823


Conclusion: GLUT1, GLUT4 and GLUT15 are found on smooth muscle. GLUT4 > GLUT1 > GLUT15.

GLUT4 = skeletal, cardiac and smooth muscle.

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And I'm sure that's the highest-yield info you've ever heard of. First question on your USMLE: Where is GLUT15 found?

 

[exudate]

Smooth muscle:

http://www.ncbi.nlm.nih.gov/pubmed/15890973

http://atvb.ahajournals.org/content/25/8/1596.full

http://www.ncbi.nlm.nih.gov/pubmed/20947823


Conclusion: GLUT1, GLUT4 and GLUT15 are found on smooth muscle. GLUT4 > GLUT1 > GLUT15.

GLUT4 = skeletal, cardiac and smooth muscle.

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And I'm sure that's the highest-yield info you've ever heard of. First question on your USMLE: Where is GLUT15 found?

Haha! This is good to know! Just added GLUT 15 into FA!