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Items: 1 to 20 of 170

1.

Do high blood folate concentrations exacerbate metabolic abnormalities in people with low vitamin B-12 status?

Mills JL, Carter TC, Scott JM, Troendle JF, Gibney ER, Shane B, Kirke PN, Ueland PM, Brody LC, Molloy AM.

Am J Clin Nutr. 2011 Aug;94(2):495-500. doi: 10.3945/ajcn.111.014621. Epub 2011 Jun 8.

2.

Vitamin B-12 treatment of asymptomatic, deficient, elderly Chileans improves conductivity in myelinated peripheral nerves, but high serum folate impairs vitamin B-12 status response assessed by the combined indicator of vitamin B-12 status.

Brito A, Verdugo R, Hertrampf E, Miller JW, Green R, Fedosov SN, Shahab-Ferdows S, Sanchez H, Albala C, Castillo JL, Matamala JM, Uauy R, Allen LH.

Am J Clin Nutr. 2016 Jan;103(1):250-7. doi: 10.3945/ajcn.115.116509. Epub 2015 Nov 25.

3.

Vitamin supplementation and other variables affecting serum homocysteine and methylmalonic acid concentrations in elderly men and women.

Koehler KM, Romero LJ, Stauber PM, Pareo-Tubbeh SL, Liang HC, Baumgartner RN, Garry PJ, Allen RH, Stabler SP.

J Am Coll Nutr. 1996 Aug;15(4):364-76.

PMID:
8829092
4.

Vitamin B-12 and homocysteine status in a folate-replete population: results from the Canadian Health Measures Survey.

MacFarlane AJ, Greene-Finestone LS, Shi Y.

Am J Clin Nutr. 2011 Oct;94(4):1079-87. doi: 10.3945/ajcn.111.020230. Epub 2011 Sep 7.

5.

Metabolic evidence of vitamin B-12 deficiency, including high homocysteine and methylmalonic acid and low holotranscobalamin, is more pronounced in older adults with elevated plasma folate.

Miller JW, Garrod MG, Allen LH, Haan MN, Green R.

Am J Clin Nutr. 2009 Dec;90(6):1586-92. doi: 10.3945/ajcn.2009.27514. Epub 2009 Sep 2.

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Interactions between plasma concentrations of folate and markers of vitamin B(12) status with cognitive performance in elderly people not exposed to folic acid fortification: the Hordaland Health Study.

Doets EL, Ueland PM, Tell GS, Vollset SE, Nygård OK, Van't Veer P, de Groot LC, Nurk E, Refsum H, Smith AD, Eussen SJ.

Br J Nutr. 2014 Mar 28;111(6):1085-95. doi: 10.1017/S000711451300336X. Epub 2013 Nov 11.

PMID:
24229560
9.

Screening for vitamin B-12 and folate deficiency in older persons.

Clarke R, Refsum H, Birks J, Evans JG, Johnston C, Sherliker P, Ueland PM, Schneede J, McPartlin J, Nexo E, Scott JM.

Am J Clin Nutr. 2003 May;77(5):1241-7.

10.

Vitamin B-12 supplementation of rural Mexican women changes biochemical vitamin B-12 status indicators but does not affect hematology or a bone turnover marker.

Shahab-Ferdows S, Anaya-Loyola MA, Vergara-Castañeda H, Rosado JL, Keyes WR, Newman JW, Miller JW, Allen LH.

J Nutr. 2012 Oct;142(10):1881-7. Epub 2012 Aug 22.

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12.

Folate, vitamin B12 and homocysteine status in women of childbearing age: baseline data of folic acid wheat flour fortification in Iran.

Abdollahi Z, Elmadfa I, Djazayeri A, Sadeghian S, Freisling H, Mazandarani FS, Mohamed K.

Ann Nutr Metab. 2008;53(2):143-50. doi: 10.1159/000170890. Epub 2008 Nov 10.

PMID:
18997463
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14.

Vitamin B₁₂ deficiency & levels of metabolites in an apparently normal urban south Indian elderly population.

Shobha V, Tarey SD, Singh RG, Shetty P, Unni US, Srinivasan K, Kurpad AV.

Indian J Med Res. 2011 Oct;134:432-9.

15.

Folate-vitamin B-12 interaction in relation to cognitive impairment, anemia, and biochemical indicators of vitamin B-12 deficiency.

Selhub J, Morris MS, Jacques PF, Rosenberg IH.

Am J Clin Nutr. 2009 Feb;89(2):702S-6S. doi: 10.3945/ajcn.2008.26947C. Epub 2009 Jan 13. Erratum in: Am J Clin Nutr. 2009 Jun;89(6):1951.

16.

Functional vitamin B12 deficiency and determination of holotranscobalamin in populations at risk.

Herrmann W, Obeid R, Schorr H, Geisel J.

Clin Chem Lab Med. 2003 Nov;41(11):1478-88.

PMID:
14656029
17.

Role of homocysteine, cystathionine and methylmalonic acid measurement for diagnosis of vitamin deficiency in high-aged subjects.

Herrmann W, Schorr H, Bodis M, Knapp JP, Müller A, Stein G, Geisel J.

Eur J Clin Invest. 2000 Dec;30(12):1083-9.

PMID:
11122323
18.

Effects of folic acid fortification and multivitamin therapy on homocysteine and vitamin B(12) status in cardiac transplant recipients.

Miriuka SG, Langman LJ, Keren ES, Miner SE, Mamer OA, Delgado DH, Evrovski J, Ross HJ, Cole DE.

J Heart Lung Transplant. 2004 Apr;23(4):405-12.

PMID:
15063399
19.

Impact of voluntary fortification and supplement use on dietary intakes and biomarker status of folate and vitamin B-12 in Irish adults.

Hopkins SM, Gibney MJ, Nugent AP, McNulty H, Molloy AM, Scott JM, Flynn A, Strain JJ, Ward M, Walton J, McNulty BA.

Am J Clin Nutr. 2015 Jun;101(6):1163-72. doi: 10.3945/ajcn.115.107151. Epub 2015 Apr 15.

20.

Effect of a voluntary food fortification policy on folate, related B vitamin status, and homocysteine in healthy adults.

Hoey L, McNulty H, Askin N, Dunne A, Ward M, Pentieva K, Strain J, Molloy AM, Flynn CA, Scott JM.

Am J Clin Nutr. 2007 Nov;86(5):1405-13.

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