Biomarkers of one-carbon metabolism are associated with biomarkers of inflammation in women
Folate-mediated one-carbon metabolism is essential for DNA synthesis, repair, and methylation. Perturbations in one-carbon metabolism have been implicated in increased risk of some cancers and may also affect inflammatory processes. We investigated these interrelated pathways to understand their rel...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
19 March 2014
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| In: |
The journal of nutrition
Year: 2014, Jahrgang: 144, Heft: 5, Pages: 714-721 |
| ISSN: | 1541-6100 |
| DOI: | 10.3945/jn.113.183970 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.3945/jn.113.183970
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| Verfasserangaben: | Clare Abbenhardt, Joshua W. Miller, Xiaoling Song, Elissa C. Brown, Ting-Yuan David Cheng, Mark H. Wener, Yingye Zheng, Adetunji T. Toriola, Marian L. Neuhouser, Shirley A.A. Beresford, Karen W. Makar, Lynn B. Bailey, David R. Maneval, Ralph Green, JoAnn E. Manson, Linda Van Horn, and Cornelia M. Ulrich |
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| 245 | 1 | 0 | |a Biomarkers of one-carbon metabolism are associated with biomarkers of inflammation in women |c Clare Abbenhardt, Joshua W. Miller, Xiaoling Song, Elissa C. Brown, Ting-Yuan David Cheng, Mark H. Wener, Yingye Zheng, Adetunji T. Toriola, Marian L. Neuhouser, Shirley A.A. Beresford, Karen W. Makar, Lynn B. Bailey, David R. Maneval, Ralph Green, JoAnn E. Manson, Linda Van Horn, and Cornelia M. Ulrich |
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| 520 | |a Folate-mediated one-carbon metabolism is essential for DNA synthesis, repair, and methylation. Perturbations in one-carbon metabolism have been implicated in increased risk of some cancers and may also affect inflammatory processes. We investigated these interrelated pathways to understand their relation. The objective was to explore associations between inflammation and biomarkers of nutritional status and one-carbon metabolism. In a cross-sectional study in 1976 women selected from the Women's Health Initiative Observational Study, plasma vitamin B-6 [pyridoxal-5′-phosphate (PLP)], plasma vitamin B-12, plasma folate, and RBC folate were measured as nutritional biomarkers; serum C-reactive protein (CRP) and serum amyloid A (SAA) were measured as biomarkers of inflammation; and homocysteine and cysteine were measured as integrated biomarkers of one-carbon metabolism. Student's t, chi-square, and Spearman rank correlations, along with multiple linear regressions, were used to explore relations between biomarkers; additionally, we tested stratification by folic acid fortification period and multivitamin use. With the use of univariate analysis, plasma PLP was the only nutritional biomarker that was modestly significantly correlated with serum CRP and SAA (ρ = −0.22 and −0.12, respectively; P < 0.0001). Homocysteine (μmol/L) showed significant inverse correlations with all nutritional biomarkers (ranging from ρ = −0.30 to ρ = −0.46; all P < 0.0001). With the use of multiple linear regression, plasma PLP, RBC folate, homocysteine, and cysteine were identified as independent predictors of CRP; and PLP, vitamin B-12, RBC folate, and homocysteine were identified as predictors of SAA. When stratified by folic acid fortification period, nutrition-homocysteine correlations were generally weaker in the postfortification period, whereas associations between plasma PLP and serum CRP increased. Biomarkers of inflammation are associated with PLP, RBC folate, and homocysteine in women. The connection between the pathways needs to be further investigated and causality established. The trial is registered at clinicaltrials.gov as NCT00000611. | ||
| 700 | 1 | |a Miller, Joshua W. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Song, Xiaoling |e VerfasserIn |4 aut | |
| 700 | 1 | |a Brown, Elissa C. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Cheng, Ting-Yuan David |e VerfasserIn |4 aut | |
| 700 | 1 | |a Wener, Mark H. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Zheng, Yingye |e VerfasserIn |4 aut | |
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| 700 | 1 | |a Beresford, Shirley A. A. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Makar, Karen W. |e VerfasserIn |4 aut | |
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| 700 | 1 | |a Maneval, David R. |e VerfasserIn |4 aut | |
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