GLUT 1-4 Glucose Transporters | MCAT

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Today we go over GLUT transporters 1-4, covering their biochemical and physiological relevance. GLUT 4 and 2 and the most high yield, with GLUT 4 being slightly more important than GLUT2.
The 2021 MCAT schedule is released! The normal length of the exam is back, which means good news and bad news: the good news is that you get a lunch break, the bad news is that the test is a marathon again.
Comprehensive Amino Acid Playlist: bit.ly/3sMGBUG
Check out Aratasaki, the beat maker behind my intro and outro: bit.ly/2Pma5v0
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All content and media on this channel is created and published online for informational purposes only. It is not intended to be a substitute for professional medical advice and should not be relied on as health or personal advice.
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GLUT 1-4 Glucose Transporters | MCAT 2021
GLUT 1-4 Glucose Transporters | MCAT 2021
GLUT 1-4 Glucose Transporters | MCAT 2021
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Опубликовано:

5 ноя 2020

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Комментарии : 15

@medcatmcat 3 года назад

How's it going everyone? One mnemonic you can use to remember the role of GLUT4 is that GLUT4 is released when you are "GLUTtonous 4 sugar," meaning GLUT4 is mobilized when blood sugar is high.

@0joey 2 года назад

Another good one is GLUT2 for 2 much blood sugar

@marcelynneree8601 3 года назад

The MCAT world has a new legend in the making

@medcatmcat 3 года назад

😂😁

@premedamy 3 года назад

This is a pretty good video! I have two sets of review books and neither one mentioned the glucose transporters whatsoever! So, thank you.

@medcatmcat 3 года назад

I believe Kaplan discusses glucose transport in their section before glycolysis! In case you wanted to take a look at that.

@venkatachengalvala4289 Год назад

A person has a nonsense mutation in a gene that codes for glucagon? Which cells of the pancreas expresses this gene? A. villi cells B. alpha cells C. beta cells D. most islet cells of the pancreas A person has a proliferative tumor in the delta cells of the pancreas? How is Growth hormone activity affected? A. GH levels are lower since somatostatin is always produced at high levels B. GH levels are higher since somatostatin is produced at high levels C. GH levels are lower since somatostain is produced at abnormally low levels D. GH levels are higher since somatostain is produced at low levels. Where's GLUT-4 located? What about GLUT-2's location? Answers: B, A, muscle cells/adipocytes, liver/pancreas

@borisjohnson4938 3 года назад

Need more people like you at the NHS!

@medcatmcat 3 года назад

Thank you Boris, very cool!

@Egotime07 Год назад

I have only skimmed the video (shame on me :( ), but GLUT1 and 4 are also expressed in the cardiac muscle. I don't believe you're mentioning this. Is there a reason?

@medcatmcat Год назад

Correct, I don't mention this! I don't mention it because it is historically unlikely to be tested on the MCAT. Further, given that it is not tested on Step 1 nor taught in many medical schools (which is much more detailed in biology), I'd be shocked to see it tested on the MCAT.

@Egotime07 Год назад

@@medcatmcat alright, thx for clarifying :)

@mash8349 2 года назад

Hey MedCat, why do RBC’s need glucose? They don’t have mitochondria 😅

@medcatmcat 2 года назад

RBCs still need ATP! If they don't have it, a whole number of pathologies can result. They get the ATP through glycolysis, which starts with glucose. One example (not MCAT relevant, but you'll learn in med school) is pyruvate kinase deficiency, a genetic condition that results in anemia. There's not enough ATP to support the RBC membrane, and as a result, the RBCs get destroyed.

@mash8349 2 года назад

@@medcatmcat ah thank you so much, appreciate it