Vitamin B1 (Thiamine) Flashcards
Active form of vitamin B1 is ___________ (thiamine pyrophosphate/thiamine monophosphate)
thiamine pyrophosphate
TPP is involved in ______________ (oxidative decarboxylation/deamination) and transketolase reactions.
oxidative decarboxylation
Three enzymes have vitamin b1 as a coenzyme. What are the names of these enzymes?
Pyruvate dehydrogenase
Alpha-ketoglutarate dehydrogenase
Transketolase
TPP is required in the ____________ (carboxylation/conjugation with CoA) step done by the dehydrogenase enzyme.
carboxylation
Thiamine deficiency causes _____________ (beri beri/pellagra)
beri beri
Dry beri beri involves _____________ (peripheral neuropathy/edema due to cardiomyopathy)
peripheral neuropathy
Wet beri beri involves ___________ (peripheral neuropathy/edema due to cardiomyopathy)
edema due to cardiomyopathy
Beri beri can lead to _____________ (Wernicke-Korsakoff syndrome/Horner syndrome)
Wernicke-korsakoff syndrome
Mental confusion, Gait ataxia, nystagmus, and ophthalmoplegia are the symptoms of _______________ (Korsakoff syndrome/ Wernicke encephalopathy)
Wernicke encephalopathy
Memory problems and hallucinations are the symptoms of __________________ (Korsakoff syndrome/ Wernicke encephalopathy)
Korsakoff syndrome