Endocrine/Paracrine
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Kynureninase聽or聽L-Kynurenine hydrolase聽(KYNU) is part of the pathway for the聽catabolism聽of聽Trp聽and the biosynthesis of聽NAD聽cofactors聽from聽tryptophan聽(Trp).
Kynureninase聽or聽L-Kynurenine hydrolase聽(KYNU) (EC聽3.7.1.3) is a聽PLP聽dependent聽enzyme聽that catalyses the cleavage of聽kynurenine聽(Kyn) into聽anthranilic acid聽(Ant). It can also act on聽3-hydroxykynurenine聽(to produce聽3-hydroxyanthranilate) and some other (3-arylcarbonyl)-alanines. Note: 3-Hydroxykynurenine聽is a metabolite of聽tryptophan, which filters UV light… Read more.
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APUD cells (DNES cells)聽
APUD cells (DNES cells)聽constitute a group of apparently unrelated聽endocrine cells, which were named by the聽scientist聽A.G.E. Pearse, who developed the APUD concept in the 1960s based on聽calcitonin-secreting parafollicular C cells of… Read more.
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Cholecystokinin聽aka pancreozymin notes
History Structure Function Gastrointestinal Digestion Satiety The effects of CCK vary between individuals.聽For example, in聽rats聽, CCK administration significantly reduces hunger in adult males, but is slightly less effective in younger… Read more.



