Vitamin B(12) and folate concentrations during pregnancy and insulin resistance in the offspring: the Pune Maternal Nutrition Study.

Vitamin B(12) and folate concentrations during pregnancy and insulin resistance in the offspring: the Pune Maternal Nutrition Study. Research Abstract Details 

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Vitamin B(12) and folate concentrations during pregnancy and insulin resistance in the offspring: the Pune Maternal Nutrition Study. Abstract Text:

C S Yajnik,S S Deshpande,A A Jackson,H Refsum,S Rao,D J Fisher,D S Bhat,S S Naik,K J Coyaji,C V Joglekar,N Joshi,H G Lubree,V U Deshpande,S S Rege,C H D Fall,

AIMS/HYPOTHESIS: Raised maternal plasma total homocysteine (tHcy) concentrations predict small size at birth, which is a risk factor for type 2 diabetes mellitus. We studied the association between maternal vitamin B(12), folate and tHcy status during pregnancy, and offspring adiposity and insulin resistance at 6 years. METHODS: In the Pune Maternal Nutrition Study we studied 700 consecutive eligible pregnant women in six villages. We measured maternal nutritional intake and circulating concentrations of folate, vitamin B(12), tHcy and methylmalonic acid (MMA) at 18 and 28 weeks of gestation. These were correlated with offspring anthropometry, body composition (dual-energy X-ray absorptiometry scan) and insulin resistance (homeostatic model assessment of insulin resistance [HOMA-R]) at 6 years. RESULTS: Two-thirds of mothers had low vitamin B(12) (<150 pmol/l), 90% had high MMA (>0.26 mumol/l) and 30% had raised tHcy concentrations (>10 mumol/l); only one had a low erythrocyte folate concentration. Although short and thin (BMI), the 6-year-old children were relatively adipose compared with the UK standards (skinfold thicknesses). Higher maternal erythrocyte folate concentrations at 28 weeks predicted higher offspring adiposity and higher HOMA-R (both p < 0.01). Low maternal vitamin B(12) (18 weeks; p = 0.03) predicted higher HOMA-R in the children. The offspring of mothers with a combination of high folate and low vitamin B(12) concentrations were the most insulin resistant. CONCLUSIONS/INTERPRETATION: Low maternal vitamin B(12) and high folate status may contribute to the epidemic of adiposity and type 2 diabetes in India.

Vitamin B(12) and folate concentrations during pregnancy and insulin resistance in the offspring: the Pune Maternal Nutrition Study. Publishing Authors By Initials

CS Yajnik,SS Deshpande,AA Jackson,H Refsum,S Rao,DJ Fisher,DS Bhat,SS Naik,KJ Coyaji,CV Joglekar,N Joshi,HG Lubree,VU Deshpande,SS Rege,CH Fall,

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Vitamin B(12) and folate concentrations during pregnancy and insulin resistance in the offspring: the Pune Maternal Nutrition Study. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Diabetologia

VOLUME: 51

Page Numbers: 29-38

Journal Abbreviation: Diabetologia

ISSN: 0012-186X

DAY: 13

MONTH: 09

YEAR: 2007

Vitamin B(12) and folate concentrations during pregnancy and insulin resistance in the offspring: the Pune Maternal Nutrition Study. Information

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LANGUAGE: eng

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AFFILIATION: Diabetes Unit, KEM Hospital and Research Centre, Pune, Maharashtra, India.

Country: Germany

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MEDLINETA: Diabetologia

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