Galactose Metabolism
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- เผยแพร่เมื่อ 5 มิ.ย. 2024
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Typo’s:
Galactose-1-Phosphate Uridyltransferase
Galactose-1-Phosphate
(Drop the galactoKINASE typo)
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A little mistake, if I may. In galactose-1-phosphate uridyl transferase, the galactokinase enzyme is actually active and functioning normally leading to accumulation of galactodse-1-phosphate in the hepatocytes leading to hepatomegaly.
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Just a quick correction: Galactokinase creates GALACTOSE-1-phosphate, not galactokinase-1-phosphate. You have this right in the diagram, but incorrect in the slide showing the presentation of galactokinase deficiency. The next enzyme is also called galactose-1-phosphate uridyltransferase (GALT), NOT galactoKINASE-1-phosphate uridyltransferase.
Yup these are typos
What product is formed as a result of methylation of galactose?
is there rate-limiting enzyme for galactose metabolism?
Can't you get lactose intolerance post-Giardia?
What is the role of lactose in biology? Why doesn't milk contain straight glucose that already exists in the blood and doesn't have to go through these steps and risks?
How does galactosemia cause diarrhea?i mean what is the mechanism? Isn't Galactose normally absorbed into the blood circulation so this rules out the osmotic diarrhoea?
The milk u are talking about is cow milk or human milk?
Hello, can you please help me understand how adults with galactosemia are more tolerant when taking galactose-containing products? :(
would only make sense if they had a lactase deficiency/lactose intolerance, not due to insufficient galactose kinase or G1P-uridyltransferase.
what is NVD after milk? @10.08
Nausea, vomiting, diarrhea
First, thank you for your efforts but I still don't get why Classic Galactosemia is more severe. 😬 How is the accumulated volume more than the case with Galactokinase def. ?
Becase phosphorylated molecules trapped inside the cells... therefore body phosphate levels go down(energy depletion,affects other metabolic pathways due lack of free phosphates) as well as galactose-1-phosphate accumulate in liver causing hepatomegaly which could cause liver dysfunction later on...
Shera Wijesinha Thank you!!!
I have this, in case you wanna know how terrible things will get once you hit 50
Classic Galactosemia is more severe because PO4 3- is depleted.
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