Background A reduced activity of methylenetetrahydrofolate reductase (MTHFR) due to
frequent C677T polymorphism affects DNA synthesis, repair and methylation and may be …

Background: Aberrations in folate metabolism contribute to the risk of cancer via effects on
the synthesis, methylation and repair of DNA. Functional genetic variants in the methylene …

Background: Previous experimental studies showed that limiting methionine in the diet of
animals or in cell culture media suppresses mammary cancer cell proliferation or metastasis …

Methylenetetrahydrofolate reductase (MTHFR) is involved in folate metabolism and plays a
role in DNA biosynthesis, methylation, and repair in actively dividing cells. A common 677C> …

Breast cancer is the most prevalent cancer in females worldwide. Studies evaluating the
blood vitamins and minerals status in the breast cancer etiology are limited, and the results …

We and others have reported associations between B vitamins principally involved in one‐
carbon metabolism and increased lung cancer risk; however, results for women have been …

Various aspects of adult diet have been linked to breast cancer development. These include
intake of fat (risk factor), and intake of fibre, soy protein and vitamins A, C and E (protective …

Background Although some observational studies have associated higher calcium intake
and especially higher vitamin D intake and 25-hydroxyvitamin D levels with lower breast …

Few studies on micronutrients and postmenopausal breast cancer have examined the
association with breast cancer characteristics. The aim of this study was to investigate the …

Background Women with a family history of breast cancer may be at higher risk for breast
cancer, but few previous studies evaluating diet and breast cancer have focused on such …