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Combs, Gerald Fuson
Cornell Emeritus Professor
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Positions
- Prof Emeritus, Division of Nutritional Sciences (DNS), College of Agriculture and Life Sciences (CALS)
Websites
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Affiliations
Research
research overview
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- the characterization of non-protein-bound selenium in plasma and evaluation in assessement of nutritional selenium status
- role of selenium in affecting natural killer cell function
- metabolic bases of the antitumorigenic effects of selenium
- evaluation of antitumorigenic potential of selenium in humans
geographic focus
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country
Publications
individual publications
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academic article
- Heterogeneity in human plasma selenoprotein P: variable glycosylation status and protein length. FASEB Journal. 2010
- Components of plasma selenium in healthy Americans. FASEB Journal. 2009
- Genetic determinants of responses to selenium supplementation. FASEB Journal. 2009
- Absence of Diabetes Indicators in a Selenium-Supplementation Trial. FASEB Journal. 2008
- Effects of Selenium Supplementation on Type 2 Diabetes: Secondary Analyses in a Randomized Clinical Trial. American Heart Association. 2008
- More is not always better: using the dog model to identify what dose of selenium provides the best protection against prostate cancer. FASEB Journal. 2008
- Responses to Selenium Supplementation in Healthy Americans. FASEB Journal. 2008
- Effects of methionine on utilization of food and supplemental forms of selenium. FASEB Journal. 21:A105. 2007
- New methodology for quantification of human white blood cell apoptosis following exposure of whole blood samples to cyclohexamide or hydrogen peroxide assessed by flow cytometry. FASEB Journal. 21:A785. 2007
- Selenium status of a cohort of healthy Americans. FASEB Journal. 21:A105. 2007
- Selenium metabolism in humans: Response of kinetic pools in plasma to 2 yr supplementation. FASEB Journal. 2006
- Speciation of selenium-enriched samples by parallel elemental and molecular mass spectrometry (PEMMS) and peak parameterization. FASEB Journal. 2006
- Artificial gut bioassay: influence of ascorbic acid on the bioavailability of iron from spinach using Caco-2 Cells. Habitation - International Journal for Human Support Research. 10:7-14. 2004
- Genetic and environmental influences on the nutritive quality of spinach: a NASA ALS candidate crop. American Society for Gravitational and Space Biology Bulletin. 14:25. 2000
- Cellular glutathione peroxidase is the mediator of body selenium to protect against paraquat lethality in transgenic mice. Journal of Nutrition. 128:1070-1076. 1998
- Dietary selenium supplementation is required to support full expression of three seleniumdependent glutathione peroxidases in various tissues of weanling pigs. Journal of Nutrition. 128:130-135. 1998
- Knockout of cellular glutathione peroxidase affects selenium-dependent parameters similarly in mice fed adequate and excessive dietary selenium. BioFactors. 7:311-321. 1998
- Cellular glutathione peroxidase knockout mice express normal levels of selenium-dependent plasma and phospholipid hydroperoxide glutathione peroxidases in various tissues. Journal of Nutrition. 127:1445-1450. 1997
- Effects of dietary selenium and vitamin E concentration on phospholipid hydroperoxide glutathione peroxidase expression in reproductive tissues of pubertal maturing male rats. Biol. Trace Element Res.. 59:195-206. 1997
- Overexpression of cellular glutathione peroxidase did not affect expression of plasma glutathione peroxidase or phospholipid hydroperoxide glutathione peroxidase in mice offered diets adequate or deficient in selenium. Journal of Nutrition. 127:675-680. 1997
- Toward a "greener" revolution. Issues in Sci. and Technol.. 14:50-58. 1997
- Cornell University program on Food Systems for Improved Health: Fashioning Food Systems Just for the Health of it. Fed. Am. Sci. Micronutrients and Agriculture. 2:28-30. 1996
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article
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conference paper
- Spinach: Nitrate Analysis of an Advanced Life Support (ALS) crop cultured under ALS candidate artificial light sources . SAE, International Controlled Environment Systems proceedings - SAE International. 1999
- Spinach: nitrate analysis of an advanced life support (ALS) crop cultured under ALS candidate artificial light sources. 29th International Conference on Environmental Systems, Society of Automotive Engineers, Inc. ICES99CD, Paper No. 1999-01-2107. 1999
- Sustainable food system approaches to improving nutrition and health. Agricultural Production and Nutrition. Proc. Int. Conf.. 1997
- Food based approaches to preventing micronutrient malnutrition: An international research agenda. Summary of an International Workshop. 1996
- Responses of cellular glutathione peroxidase overexpressing mice to two levels of dietary selenium concentrations. The Sixth International Symposium on Selenium in Biology and Medicine. 18. 1996
- Thinking in terms of food systems. Proc. Cornell Nutr. Conf.. 1996
- What level of selenium should we supplement to diets for young pigs?. Proceedings of the Cornell Nutrition Conference for Feed Manufacturers. 83-86. 1996
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document part
- Knockout of cellular glutathione peroxidase did not affect the expression of the other two selenoperoxidases in mice 1997
- Dietary selenium at 0.1 mg/kg is inadequate for young pigs to maximize tissue expression of selenoperoxidases 1996
- Effects of dietary selenium deficiency on activity expression of selenoperoxidase in gastrointestinal tissues of pigs 1996
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report
Background
education and training
- PhD degree in Nutritional Biochemistry, Cornell University 1974
- M.S. in Entomology 1971
- B.S. in Zoology, University of Maryland, College Park 1969