A small girl with neuropsychiatry symptoms has a habit of licking paint in walls .Symptoms due to inhibition of
ALA dehydratase
ALA synthase
Heme oxygenase
CPG oxidase
It is a case of lead poisoning. Specifically, lead decreases heme biosynthesis by inhibiting aminolevulinic acid dehydratase (ALAD) and ferrochelatase. patients presents with microcystic hypochromic anemia.
Toxicology - 2