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A functional 19-base pair deletion polymorphism of dihydrofolate reductase (DHFR) and risk of breast cancer in multivitamin users
Author(s) -
Xinran Xu,
Marilie D. Gammon,
James G. Wetmur,
Manlong Rao,
Mia M. Gaudet,
Susan L. Teitelbaum,
Julie A. Britton,
Alfred I. Neugut,
Regina M. Santella,
Jia Chen
Publication year - 2007
Publication title -
american journal of clinical nutrition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.608
H-Index - 336
eISSN - 1938-3207
pISSN - 0002-9165
DOI - 10.1093/ajcn/85.4.1098
Subject(s) - genotype , dihydrofolate reductase , multivitamin , breast cancer , allele , biology , odds ratio , genetics , population , logistic regression , medicine , oncology , gynecology , endocrinology , cancer , gene , vitamin , environmental health
Dihydrofolate reductase (DHFR) converts dihydrofolate (DHF) into tetrahydrofolate (THF) and plays an essential role in cell metabolism and cellular growth. Folic acid from multivitamins needs to be reduced by DHFR before it participates in cellular reactions.

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