Accepted
at 5:53 p.m. May, 10, 2025
by
Ahmed7
Author:
antalique
Type of change:
New Tags
Rationale for change
CBSSA 28 has a question stem about a patient with Hartnup disease and asks which vitamin production would be impaired.
No changes in fields
Text
Which amino acid is the precursor to serotonin and niacin?
{{c1::Tryptophan}}
Extra
Importantly, serotonin synthesis requires BH4 (thus patients with a dihydrobiopterin reductase deficiency will present with low levels of serotonin)
Lecture Notes
Empty field
Missed Questions
Empty field
Pathoma
Empty field
Boards and Beyond
Empty field
First Aid




Sketchy 2
Empty field
Sketchy Extra
Empty field
Picmonic
Empty field
Physeo
.jpg)
.jpg)
Bootcamp
Watch associated Bootcamp video - Protein Metabolism : Tryptophan Niacin and Serotonin: Niacin Pathway and Hartnup Disease
Watch associated Bootcamp video - Vitamins: Vitamin B3 (Niacin)
Watch associated Bootcamp video - Small Intestine : Carcinoid Tumor
Watch associated Bootcamp video - Vitamins: Vitamin B3 (Niacin)
Watch associated Bootcamp video - Small Intestine : Carcinoid Tumor
OME
Additional Resources
One by one
Empty field









 copy.jpg)
.jpg)
