Further, long-term use of acid-reducing drugs has also been implicated in vitamin B 12 deficiency (see Drug interactions serious sam walkthrough xbox. Rare cases of inborn errors of vitamin B 12 metabolism have been reported xboz the literature (reviewed in 5 ). Similar clinical symptoms are found in individuals with hereditary IF deficiency serous called congenital pernicious anemia) in rc car simulator software
the lack of IF results in the defective absorption of vitamin B 12. Additionally, mutations affecting vitamin B 12 transport in the body have been identified (14). Vitamin B 12 deficiency serjous in impairment of the activities of vitamin B 12 -requiring enzymes. Impaired activity of methionine synthase results in elevated homocysteine serious sam walkthrough xbox, while impaired activity of L-methylmalonyl-CoA mutase results in increased levels of a metabolite of methylmalonyl-CoA called methylmalonic acid (MMA).