Vitamin B12 absorption and malabsorption

JL Guéant, RM Guéant-Rodriguez, DH Alpers - Vitamins and hormones, 2022 - Elsevier
Vitamin B12 is assimilated and transported by complex mechanisms that involve three
transport proteins, intrinsic factor (IF), haptocorrin (HC) and transcobalamin (TC) and their …

Causes and consequences of impaired methionine synthase activity in acquired and inherited disorders of vitamin B12 metabolism

JL Guéant, RM Guéant-Rodriguez… - Critical reviews in …, 2022 - Taylor & Francis
Abstract Methyl-Cobalamin (Cbl) derives from dietary vitamin B12 and acts as a cofactor of
methionine synthase (MS) in mammals. MS encoded by MTR catalyzes the remethylation of …

Hyperhomocysteinemia is related to a decreased blood level of vitamin B12 in the second and third trimester of normal pregnancy

C Chéry, F Barbé, C Lequere, I Abdelmouttaleb… - 2002 - degruyter.com
Hyperhomocysteinemia has been associated with several pregnancy complications. We
have investigated the variation of plasma total homocysteine (tHcys) during the 2 last …

La vitamine B12 et les maladies génétiques associées

JL Guéant, D Coelho, JP Nicolas - Bulletin de l'Académie Nationale de …, 2014 - Elsevier
RÉSUMÉ La vitamine B12 (B12, cobalamine (Cbl)) est une vitamine hydrosoluble qui
nécessite des mécanismes très complexes pour son assimilation, son transport sanguin et …

Etude comparative des aspects cliniques et physiopathologiques des erreurs innées du métabolisme de la vitamine B12 en fonction de l'âge

A Wiedemann - 2023 - theses.hal.science
Le métabolisme de la vitamine B12 est un processus complexe aboutissant à la synthèse
des deux formes actives: l'adénosylcobalamine, cofacteur de la méthylmalonyl-CoA mutase …

[PDF][PDF] The Crucial Factors of Cobalamin (Vitamin B12) Deficiency in Elderly

T Pasharawipas - rsucon.rsu.ac.th
Among various concerns of elderly's health, vitamin deficiency, especially vitamin B12 or
cobalamin, has found to be a key factor that deteriorates the major parts of the body. Vitamin …

Cobalamin (Vitamin B_ (12)) Deficiency in the Chinese Shar Pei–Evaluation of a Potential Hereditary Etiology

N Grützner - 2013 - oaktrust.library.tamu.edu
In recent history, no other dog breed has grown in popularity and/or population size in such
a short period of time as is the case for the Chinese Shar Pei in North America. After being …

[PDF][PDF] Genetische Studie zum Cobalamin-Mangel beim Chinesischen Shar-Pei

N Grützner - 2011 - edoc.ub.uni-muenchen.de
Genetische Studie zum Cobalamin-Mangel beim Chinesischen Shar-Pei Page 1 Aus dem
Zentrum für klinische Tiermedizin der Tierärztlichen Fakultät der Ludwig-Maximilians-Universität …

[图书][B] A canine model of Imerslund-Gräsbeck syndrome: Genetic mapping, mutation identification and functional analysis

Q He - 2005 - search.proquest.com
Imerslund-Gräsbeck syndrome (I-GS, OMIM# 261100) is an autosomal recessive disease
characterized by congenital selective intestinal malabsorption of cobalamin (vitamin B12) …