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Hyperhomocysteinemia and elevated methylmalonic acid indicate a high prevalence of cobalamin deficiency in Asian Indians
diet blood cobalamin deficiency
2016/6/14
The study population included 204 men and women
aged 27–55 y from Pune, Maharashtra, India, categorized into
4 groups: patients with cardiovascular disease (CVD) and diabetes,
patients with CVD but...
Nutrient-dense foods and exercise in frail elderly: effects on B vitamins, homocysteine, methylmalonic acid, and neuropsychological functioning
Frailty elderly intervention
2016/6/12
Frail elders are at risk of suboptimal micronutrient
status, functional decline, and neurologic disorders. The influence
of oral multimicronutrients in physiologic doses and of
moderately intense p...
Serum cobalamin, homocysteine, and methylmalonic acid concentrations in a multiethnic elderly population: ethnic and sex differences in cobalamin and metabolite abnormalities
Serum cobalamin homocysteine
2016/6/2
Low cobalamin concentrations and mild hyperhomocysteinemia
are common in the elderly but ethnic differences
have not been defined.
Cobalamin Deficiency During Pregnancy Expressed as Elevated Urine Methylmalonic Acid Levels Determined by a Photometric Assay
Cobalamin deficiency pregnancy urine MMA
2009/6/17
Aim: Deficiency of cobalamin and folate during pregnancy is associated with megaloblastic anemia. Lower levels of folate and vitamin B12 were reported in mothers whose offspring had neural tube defect...
Functional Vitamin B12 Deficiency Represented by Elevated Urine Methylmalonic Acid Levels in Patients with Migraine
Migraine vitamin B12 deficiency methylmalonic acid homocysteine
2009/6/16
Aims: Although vitamin B12 is currently used as a treatment option in patients with migraine, a possible cobalamin deficiency in those patients has not yet been investigated. In this study, we aimed t...
High prevalence of cobalamin deficiency in Guatemalan schoolchildren: associations with low plasma holotranscobalamin II and elevated serum methylmalonic acid and plasma homocysteine concentrations
Vitamin B-12 deficiency cobalamin deficiency methylmalonic acid
2016/12/29
Studies conducted in Guatemala, Mexico, and Venezuela have found high prevalences of low plasma cobalamin (vitamin B-12) concentrations in infants and children. It is not known whether these low cobal...
B vitamin status and concentrations of homocysteine and methylmalonic acid in elderly German women
women dietary intake vitamins
2017/1/4
Prior investigations found that elderly persons are at higher risk than are younger persons for B vitamin deficiency, which leads to elevated plasma total homocysteine (tHcy) concentrations that are a...
Vitamin B-12 status, particularly holotranscobalamin II and methylmalonic acid concentrations, and hyperhomocysteinemia in vegetarians
Vitamin B-12 homocysteine holotranscobalamin
2017/1/3
The study cohort included 66 lactovegetarians or lactoovovegetarians (LV-LOV group), 29 vegans, and 79 omnivores. Total vitamin B-12, methylmalonic acid, holotranscobalamin II, and total homocysteine ...