Allen, L. H., Backstrand, J. R., Chavez, A. and Pelto, G. H., 1992, “Functional Implications of Malnutrition. Mexico Project Final Report”, University of Connecticut, Storrs, CT.
Google Scholar
Baker, S. J., Jacob, E., Rajan, K. T., and Swaminathan, S. P., 1962, Vitamin B12 deficiency in pregnancy and the puerperium, Br. Med. J. 1:1658.
PubMed
CrossRef
CAS
Google Scholar
Bartels, P. C., Helleman, P. W., and Soons, J. B. J., 1989, Investigation of red cell size-distribution histograms related to folate, vitamin B12 and iron state in the course of pregnancy, Scand. J. Clin. Lab. Invest. 49:763.
PubMed
CrossRef
CAS
Google Scholar
Bloomfield, F. J., Scott, J. M., Somerville, J. J. F., and Weir, D. G., 1973, Levels in normal, pathological and foetal sera of the three transcobalamins, Irish J. Med. Sci. 142:51.
PubMed
CrossRef
CAS
Google Scholar
Brown, J., Robertson, J., and Gallagher, N., 1977, Humoral regulation of vitamin B12 absorption by pregnant mouse small intestine, Gastroenterology 72:881.
PubMed
CAS
Google Scholar
Chanarin, I., 1979, “The Megaloblastic Anemias,” Second edition, Blackwell Scientific Publications, London.
Google Scholar
Close, G. C., 1983, Rastafarianism and the Vegans syndrome, Br. Med. J. 286:473.
CrossRef
CAS
Google Scholar
Cordingley, F. T. and Crawford, G. P. M., 1986, Giardia infection causes vitamin B12 deficiency, Aust N Z. J Med. 16:78.
PubMed
CrossRef
CAS
Google Scholar
Craft, I. L., Matthews, D. M., and Linnell, J. C., 1971, Cobalamins in human pregnancy and lactation J. Clin Path. 24:449.
PubMed
CrossRef
CAS
Google Scholar
Dolphin, B., 1982, “B12. Vol 1, Chemistry; vol. 2, Biochemistry and Medicine,” John Wiley and Sons, New York.
Google Scholar
Donangelo, C. M., Trugo, N. M. F., Koury, J. C., Barreto Silva, M. L, Freitas, L. A., Feldheim, W., and Barth, C., 1989, Iron, zinc, folate and vitamin B12 nutritional status and milk composition of low-income Brazilian mothers, Eur. J. Clin. Nutr. 43:253.
PubMed
CAS
Google Scholar
Dostálová, L., 1984, Vitamin status in the puerperium and lactation, Ann. Nutr. Metab. 28:385.
PubMed
CrossRef
Google Scholar
Economides, D. L., Ferguson, J., Mackenzie, I. Z., Darley, J., Ware, I.I., and Holmes-Siedle, M., 1992, Folate and vitamin B12 concentrations in maternal and fetal blood, and amniotic fluid in second trimester pregnancies complicated by neural tube defects, Brit. J. Obstet. Gynecol. 99:23.
CrossRef
CAS
Google Scholar
Fernandes-Costa, F. and Metz, J., 1979, Transplacental transport in the rabbit of vitamin B12 bound to human transcobalamins I, II and III, Br. J. Haematol. 43:625.
PubMed
CrossRef
CAS
Google Scholar
Fernandes-Costa, F. and Metz, J., 1982, Levels of transcobalamins I, II, and III during pregnancy and in cord blood, Am. J. Clin. Nutr. 35:87.
PubMed
CAS
Google Scholar
Food and Agriculture Organization, 1988, “Requirements of Vitamin A, Iron, Folate and Vitamin B12. Report of a Joint FAO/WHO Expert Consultation”, FAO, Rome.
Google Scholar
Ford, J. E., 1974, Some observations on the possible nutritional significance of vitamin B12-and folate-binding proteins in milk, Br. J. Nutr. 31:243.
PubMed
CrossRef
CAS
Google Scholar
Fréry, N., Huel, G., Leroy, M., Moreau, T., Savard, R., Blot, P., and Lellouch, J., 1992, Vitamin B12 among parturients and their newborns and its relationship with birthweight, Eur. J. Obstet. Gynecol. Repro. Biol. 45:155.
CrossRef
Google Scholar
Friedman, P. A., Shia, M. A., and Wallace, J. K., 1977, A saturable high affinity binding site for transcobalamin II-vitamin B12 complexes in human placental membrane preparations, J. Clin. Invest. 59:51.
PubMed
CrossRef
CAS
Google Scholar
Garewal, G., Narang, A., and Das, K. C., 1988, Infantile tremor syndrome: a vitamin B12 deficiency syndrome in infants, J. Trop. Pediat. 34:174.
CrossRef
CAS
Google Scholar
Gimsing, P. and Nexo, E., 1983, The forms of cobalamin in biological materials, in “The cobalamins”, C. A. Hall, ed., Churchill-Livingstone, New York.
Google Scholar
Giugliani, E. R. J., Jorge, S. M., and Goncalves, A. L., 1985, Serum vitamin B12 levels in parturients, in the inter-villous space of the placenta, and in full-term newborns and their interrelationships with folate levels, Am.J. Clin. Nutr. 41:330.
PubMed
CAS
Google Scholar
Graber, S. E., Scheffel, U., Hodkinson, B., and Mclntyre, P. A., 1971, Placental transport of vitamin B12 in the pregnant rat, J. Clin. Invest. 50:1000.
PubMed
CrossRef
CAS
Google Scholar
Gregory, M. E. and Holdsworth, E. S., 1955, The occurrence of a cyanocobalamin-binding protein in milk and the isolation of a cyanocobalamin-protein complex from sow’s milk, Biochem. J. 59:329.
PubMed
CAS
Google Scholar
Grossowitz, N., Jablonska, M., and Beyth, Y., 1983, Vitamin B12-binding proteins in human amniotic fluid: an index to fetal maturity, Am. J. Obstet. Gynecol. 146:331.
Google Scholar
Hall, C. A. and Begley, J. A., 1977, Congenital deficiency of human R-type binding proteins of cobalamin, Am. J. Human Genetics. 29:619.
CAS
Google Scholar
Heisel, M. A., Siegel, S. E., Falk, R. E., Siegel, M. M., Carmel, R., Lechago, J., Skaff, G., Roessel, T., Nielsen, P. G., and Cummings, P., 1984, Congenital pernicious anemia: Report of seven patients, with studies of the extended family, J. Pediatr. 105:564.
PubMed
CrossRef
CAS
Google Scholar
Hellegers, A., Okuda, K., Nesbitt, R. E. L., Smith, D. W., and Chow, B. F., 1957, Vitamin B12 absorption in pregnancy and in the newborn, Am. J. Clin. Nutr. 5:327.
PubMed
CAS
Google Scholar
Herbert, V., Colman, N., Spivack, M. et al., 1975, Folic acid deficiency in the United States: folate assays in a prenatal clinic, Am. J. Obstet. Gynecol 123:175.
PubMed
CAS
Google Scholar
Herbert, V., Manusselis, C., Drivas, G., and Colman, N., 1983, Low vitamin B12 content of heavily processed milks may explain vitamin B12 deficiency in young adults in Mexico, Clin. Res. 31:241 A.
Google Scholar
Herbert, V., 1987a, The 1986 Herman Award Lecture, Nutrition science as a continually unfolding story: the folate and vitamin B-12 paradigm, Am. J. Clin. Nutr. 46:387.
PubMed
CAS
Google Scholar
Herbert, V., 1987b, Recommended dietary intakes (RDI) of vitamin B-12 in humans, Am. J. Clin. Nutr. 45:671.
PubMed
CAS
Google Scholar
Herbert, V., 1990a, Vitamin B-12, in “Present Knowledge in Nutrition,” International Life Sciences Institute-Nutrition Foundation, Washington D. C.
Google Scholar
Herbert, V., Fong, W., Guile, V., and Stopler, T., 1990b, Low holotranscobalamin II is the earliest serum marker for subnormal vitamin B12 (cobalamin) absorption in patients with AIDS, Am. J. Hemat. 34:132.
PubMed
CrossRef
CAS
Google Scholar
Hitzig, W. H., Dohmann, V., Pluss, H. J., and Vischer, D., 1974, Hereditary transcobalamin II deficiency: clinical findings in a family, J. Pediatr. 85:622.
PubMed
CrossRef
CAS
Google Scholar
Hoey, H., Linnell, J. C., Oberholzer, V. G., and Laurance, B. M., 1982, Vitamin B12 deficiency in a breastfed infant with pernicious anemia, J. Roy. Soc. Med. 75:656.
PubMed
CAS
Google Scholar
Immerman, A. M., 1981, Vitamin B12 status on a vegetarian diet, World. Rev. Nutr. Diet. 37:38.
PubMed
CAS
Google Scholar
Institute of Medicine., 1990, “Nutrition During Pregnancy,” National Academy Press, Washington D. C.
Google Scholar
Institute of Medicine., 1991, “Nutrition During Lactation,” National Academy Press, Washington D. C.
Google Scholar
Jadhav, M., Webb, J. K. G., Vaishnava, S., and Baker, S. J., 1962, Vitamin B12 deficiency in Indian infants: a clinical syndrome, Lancet ii:903.
CrossRef
Google Scholar
Johnson, P. R. and Roloff, J. S., 1982, Vitamin B12 deficiency in an infant strictly breast-fed by a mother with pernicious anemia, J. Pediatr. 100:917.
PubMed
CrossRef
Google Scholar
Kanazawa, S., Herbert, V., Herzlicj, B., Drivas, G., and Manusselis, C., 1983, Removal of cobalamin analogues in bile by enterohepatic circulation of vitamin B12, Lancet i:707.
CrossRef
Google Scholar
Kaul, K. K., Prasan, N., and Chowdhury, R. M., 1963, Some clinical observations and impressions on a syndrome of tremors in infants from India, J. Pediat. 63:1158.
PubMed
CrossRef
CAS
Google Scholar
Kolhouse, J. F., Kondo, H., Allen, N. C., Pdell, E., and Allen, R. H., 1978, Cobalamin analogues are present in human plasma and can mask cobalamin deficiency because current radioisotope-dilution assays are not specific for true cobalamin, N. Engl. J. Med. 299:785.
PubMed
CrossRef
CAS
Google Scholar
Kumento, A., 1969, Studies on the serum binding of vitamin B12 in the newborn human infant, Acta Paediatr. Scand. 194:1.
Google Scholar
Lampkin, B. D., Shore, N. A., and Chadwick, D., 1966, Megaloblastic anemia of infancy secondary to maternal pernicious anemia, N. Engl. J. Med. 274, 1168.
PubMed
CrossRef
CAS
Google Scholar
Luhby, A. L., Cooperman, J. M., Donnfield, A. M. et al., 1958, Observations on the transfer of vitamin B-12 from mother to fetus and newborn, Am. J. Dis. Child 96:532.
Google Scholar
Luhby, A. L., Cooperman, J. M., Stone, M. L. et al., 1961, Physiology of vitamin B12 in pregnancy, the placenta, and the newborn, Am. J. Dis. Child 102:753.
Google Scholar
McPhee, A. J., Davidson, G. P., Leahy, M., and Beare, T., 1988, Vitamin B12 deficiency in a breast fed infant, Arch. Dis. Childh. 63:921.
PubMed
CrossRef
CAS
Google Scholar
National Research Council, 1989, Vitamin B12, in “Recommended Dietary Allowances”, 10th edition, National Academy Press, Washington D. C.
Google Scholar
Neumann, C., Bwibo, N. O., and Sigman, M., 1992, “Functional Implications of Malnutrition. Kenya Project Final Report,” University of California, Los Angeles, CA.
Google Scholar
Pathak, A., Godwin, H. A., and Prudent, L. M., 1972, Vitamin B12 and folic acid in premature infants, Pediatrics 50:584.
PubMed
CAS
Google Scholar
Porck, H. J., Frater-Schroder, M., Frants, R. R., Kierat, L., and Eriksson, A. W., 1983, Genetic evidence for fetal origin of transcobalamin II in human cord blood, Blood 62:234.
PubMed
CAS
Google Scholar
Ramasamy, M., Alpers, D. H., Tiruppathi, C., and Seetharam, B., 1989, Cobalamin release from intrinsic factor and transfer to transcobalamin II within the rat enterocyte, Am. J. Physiol. 257:G791.
PubMed
CAS
Google Scholar
Rapazzo, M. E., Salmi, H. A., and Hall, C. A., 1970, The content of vitamin B12 in adult and foetal tissue: A comparative study, Br. J. Haematol. 18:425.
CrossRef
Google Scholar
Roberts, P. D., James, H., Petrie, A., Morgan, J. O., and Hoffbrand, A. V., 1973, Vitamin B12 status in pregnancy among immigrants to Britain, Br. Med. J. 3:67.
PubMed
CrossRef
CAS
Google Scholar
Robertson, J. A. and Gallagher, N. D., 1983, Increased intestinal uptake of cobalamin in pregnancy does not require synthesis of new receptors, Biochim. Biophys. Acta. 757:145.
PubMed
CrossRef
CAS
Google Scholar
Rosenblatt, D. S. and Cooper, B. A., 1987, Inherited disorders of vitamin B12 metabolism, Blood Reviews, 1:177.
PubMed
CrossRef
CAS
Google Scholar
Sadowitz, P. D., Livingston, A., and Cavanaugh, R. M., 1986, Developmental regression as an early manifestation of vitamin B12 deficiency, Clin. Pediatr. 25:369.
CrossRef
CAS
Google Scholar
Sandberg, D. P., Begely, J. A., and Hall, C. A., 1981, The content, binding, and forms of vitamin B12 in milk, Am.J. Clin. Nutr. 34:1717.
PubMed
CAS
Google Scholar
Schwartz, M. and Weber, J., 1971, Gastric intrinsic factor in human foetus, Scand. J. Gastroent. 9:suppl. 29:57.
CAS
Google Scholar
Seligman, P. A. and Allen, R. H., 1978, Characterization of the receptor for transcobalamin II isolated from human placenta, J. Biol. Chem. 253:1766.
PubMed
CAS
Google Scholar
Sneed, S. S., Zane, C., and Thomas, M. R., 1981, The effects of ascorbic acid, vitamin B6 vitamin B12, and folic acid supplementation on the breast milk and maternal nutritional status of low socioeconomic lactating women, Am. J. Clin. Nutr. 34:1338.
PubMed
CAS
Google Scholar
Specker, B. L., Miller, D., Norman, E. J., Greene, H., and Hayes, K. C., 1988, Increased urinary methylmalonic acid excretion in breast-fed infants of vegetarian mothers and identification of an acceptable dietary source of vitamin B-12, Am. J. Clin. Nutr. 47:89.
PubMed
CAS
Google Scholar
Specker, B. L., Black, A., Allen, L., and Morrow, F., 1990a, Vitamin B-12: low milk concentrations are related to low serum concentrations in vegetarian women and to methylmalonic aciduria in their infants, Am. J. Clin. Nutr. 52:1073.
PubMed
CAS
Google Scholar
Specker, B. L., Brazerol, W., Ho, M. L., and Norman, E. J., 1990b, Urinary methylmalonic acid excretion in infants fed formula or human milk, Am. J. Clin. Nutr. 51:209.
PubMed
CAS
Google Scholar
Srikantia, S. G. and Reddy, V., 1967, Megaloblastic anemia of infancy and vitamin B12, Br. J. Haemat. 13:949.
CrossRef
CAS
Google Scholar
Suter, P. M., Golner, B. B., Goldin, B. R., Morrow, F. D., and Russell, R. M., 1991, Reversal of protein-bound vitamin B12 malabsorption with antibiotics in atrophic gastritis, Gastroenterology 101:1039.
PubMed
CAS
Google Scholar
Thomas, M. R., Sneed, S. M., Wei, C., Nail, P. A., Wilson, M., and Sprinkle, E. E., 1980, The effects of vitamin C., vitamin B6, vitamin B12, folic acid, riboflavin and thiamin on the breast milk and maternal status of well-nourished women at 6 months postpartum, Am. J. Clin. Nutr. 33:2151.
PubMed
CAS
Google Scholar
Trugo, N. M. F., 1992, Vitamin Bj2 absorption in the neonatal period, in “Mechanisms Regulating Lactation and Infant Nutrient Utilization”. M. F. Picciano and B. Lonnerdal, eds. New York, Wiley-Liss.
Google Scholar