Susan S Harris

Summary

Affiliation: Tufts University
Country: USA

Publications

  1. doi request reprint A randomized, placebo-controlled trial of vitamin D supplementation to improve glycaemia in overweight and obese African Americans
    S S Harris
    Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA
    Diabetes Obes Metab 14:789-94. 2012
  2. pmc No effect of bicarbonate treatment on insulin sensitivity and glucose control in non-diabetic older adults
    Susan S Harris
    Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, 711 Washington St, Boston, MA 02111, USA
    Endocrine 38:221-6. 2010
  3. ncbi request reprint Vitamin D and African Americans
    Susan S Harris
    Jean Mayer U S Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111 1524, USA
    J Nutr 136:1126-9. 2006
  4. ncbi request reprint Reduced sun exposure does not explain the inverse association of 25-hydroxyvitamin D with percent body fat in older adults
    Susan S Harris
    Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, 711 Washington Street, Boston, Massachusetts 02111, USA
    J Clin Endocrinol Metab 92:3155-7. 2007
  5. doi request reprint Does vitamin D deficiency contribute to increased rates of cardiovascular disease and type 2 diabetes in African Americans?
    Susan S Harris
    Jean Mayer US Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA
    Am J Clin Nutr 93:1175S-8S. 2011
  6. pmc Treatment with potassium bicarbonate lowers calcium excretion and bone resorption in older men and women
    Bess Dawson-Hughes
    Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, Massachusetts 02111, USA
    J Clin Endocrinol Metab 94:96-102. 2009
  7. pmc Association between serum osteocalcin and markers of metabolic phenotype
    Anastassios G Pittas
    Division of Endocrinology, Diabetes, and Metabolism, Tufts Medical Center, 800 Washington Street, 268, Boston, Massachusetts 02111, USA
    J Clin Endocrinol Metab 94:827-32. 2009
  8. doi request reprint Evaluation of an inexpensive calcium absorption index in healthy older men and women
    Lisa Ceglia
    Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111, USA
    Clin Endocrinol (Oxf) 72:22-5. 2010
  9. ncbi request reprint Dietary acid-base balance, bone resorption, and calcium excretion
    Ramina Jajoo
    Division of Rheumatology, Tufts New England Medical Center, Bone Metabolism Laboratory at the Jean Mayer, USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA
    J Am Coll Nutr 25:224-30. 2006
  10. pmc The association of adiposity with parathyroid hormone in healthy older adults
    Arpita Patel Pitroda
    Division of Endocrinology, Tufts New England Medical Center, Boston, MA, USA
    Endocrine 36:218-23. 2009

Collaborators

Detail Information

Publications34

  1. doi request reprint A randomized, placebo-controlled trial of vitamin D supplementation to improve glycaemia in overweight and obese African Americans
    S S Harris
    Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA
    Diabetes Obes Metab 14:789-94. 2012
    ..This study was conducted to determine whether vitamin D supplementation improves insulin secretion, insulin sensitivity and glycaemia in African Americans with prediabetes or early diabetes...
  2. pmc No effect of bicarbonate treatment on insulin sensitivity and glucose control in non-diabetic older adults
    Susan S Harris
    Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, 711 Washington St, Boston, MA 02111, USA
    Endocrine 38:221-6. 2010
    ..001) but had no effect on fasting plasma glucose, serum insulin, or HOMA-IR. In conclusion, bicarbonate supplementation does not appear to improve insulin sensitivity or glucose control in non-diabetic older adults...
  3. ncbi request reprint Vitamin D and African Americans
    Susan S Harris
    Jean Mayer U S Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111 1524, USA
    J Nutr 136:1126-9. 2006
    ..Clinicians and educators should be encouraged to promote improved vitamin D status among blacks (and others) because of the low risk and low cost of vitamin D supplementation and its potentially broad health benefits...
  4. ncbi request reprint Reduced sun exposure does not explain the inverse association of 25-hydroxyvitamin D with percent body fat in older adults
    Susan S Harris
    Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, 711 Washington Street, Boston, Massachusetts 02111, USA
    J Clin Endocrinol Metab 92:3155-7. 2007
    ..Greater adiposity is associated with lower blood levels of 25-hydroxyvitamin D [25(OH)D]. The extent to which this results from reduced sun exposure among heavier individuals is unknown...
  5. doi request reprint Does vitamin D deficiency contribute to increased rates of cardiovascular disease and type 2 diabetes in African Americans?
    Susan S Harris
    Jean Mayer US Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA
    Am J Clin Nutr 93:1175S-8S. 2011
    ..Because of the low 25(OH)D concentrations of many, if not most, African Americans, and the low risk associated with vitamin D supplementation, it is important to obtain more definitive answers to these questions...
  6. pmc Treatment with potassium bicarbonate lowers calcium excretion and bone resorption in older men and women
    Bess Dawson-Hughes
    Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, Massachusetts 02111, USA
    J Clin Endocrinol Metab 94:96-102. 2009
    ..Bicarbonate has been implicated in bone health in older subjects on acid-producing diets in short-term studies...
  7. pmc Association between serum osteocalcin and markers of metabolic phenotype
    Anastassios G Pittas
    Division of Endocrinology, Diabetes, and Metabolism, Tufts Medical Center, 800 Washington Street, 268, Boston, Massachusetts 02111, USA
    J Clin Endocrinol Metab 94:827-32. 2009
    ..Osteocalcin has been reported to contribute to the regulation of glucose tolerance and insulin secretion and sensitivity in experimental animals...
  8. doi request reprint Evaluation of an inexpensive calcium absorption index in healthy older men and women
    Lisa Ceglia
    Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111, USA
    Clin Endocrinol (Oxf) 72:22-5. 2010
    ....
  9. ncbi request reprint Dietary acid-base balance, bone resorption, and calcium excretion
    Ramina Jajoo
    Division of Rheumatology, Tufts New England Medical Center, Bone Metabolism Laboratory at the Jean Mayer, USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA
    J Am Coll Nutr 25:224-30. 2006
    ..This study was conducted to examine associations between diet-induced changes in net acid excretion (NAE) and changes in serum parathyroid hormone (PTH), bone resorption, and calcium excretion over a longer period of 60 days...
  10. pmc The association of adiposity with parathyroid hormone in healthy older adults
    Arpita Patel Pitroda
    Division of Endocrinology, Tufts New England Medical Center, Boston, MA, USA
    Endocrine 36:218-23. 2009
    ..This is important in view of worldwide increases in overweight and obesity and the potential contribution of elevated PTH to morbidity and mortality...
  11. pmc Potassium bicarbonate attenuates the urinary nitrogen excretion that accompanies an increase in dietary protein and may promote calcium absorption
    Lisa Ceglia
    Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, 711 Washington Street, Boston, Massachusetts 02111, USA
    J Clin Endocrinol Metab 94:645-53. 2009
    ..Protein is an essential component of muscle and bone. However, the acidic byproducts of protein metabolism may have a negative impact on the musculoskeletal system, particularly in older individuals with declining renal function...
  12. pmc Type of dietary fat is associated with the 25-hydroxyvitamin D3 increment in response to vitamin D supplementation
    Sathit Niramitmahapanya
    Bone Metabolism Laboratory, Jean Mayer US Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, Massachusetts 02111, USA
    J Clin Endocrinol Metab 96:3170-4. 2011
    ..Mono- and polyunsaturated fats may have opposing effects on vitamin D absorption...
  13. ncbi request reprint Effect of dietary protein supplements on calcium excretion in healthy older men and women
    Bess Dawson-Hughes
    Bone Metabolism Laboratory, Jean Mayer U S Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts 02111, USA
    J Clin Endocrinol Metab 89:1169-73. 2004
    ....
  14. ncbi request reprint The effects of calcium and vitamin D supplementation on blood glucose and markers of inflammation in nondiabetic adults
    Anastassios G Pittas
    Department of Endocrinology, Diabetes, and Metabolism, Tufts New England Medical Center, Boston, MA 02111, USA
    Diabetes Care 30:980-6. 2007
    ..We sought to compare the effects of combined calcium and vitamin D supplementation versus placebo on blood glucose and markers of inflammation in nondiabetic adults aged > or =65 years...
  15. pmc A randomized study on the effect of vitamin d3 supplementation on skeletal muscle morphology and vitamin d receptor concentration in older women
    Lisa Ceglia
    MD, MS, Division of Endocrinology, Diabetes, and Metabolism, Tufts Medical Center, 800 Washington Street, Box 268, Boston, MA 02111
    J Clin Endocrinol Metab 98:E1927-35. 2013
    ..Further work is needed to determine whether the observed effect of vitamin D on fiber size is mediated by the VDR and to identify which signaling pathways are involved. ..
  16. pmc Alkaline diets favor lean tissue mass in older adults
    Bess Dawson-Hughes
    Jean Mayer US Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
    Am J Clin Nutr 87:662-5. 2008
    ....
  17. ncbi request reprint Plasma vitamin D and 25OHD responses of young and old men to supplementation with vitamin D3
    Susan S Harris
    Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging at Tufts University Boston, Massachusetts 02111, USA
    J Am Coll Nutr 21:357-62. 2002
    ..This study was conducted to determine whether there are age differences in the plasma parent vitamin D and 25-hydroxyvitamin D (25OHD) responses to eight weeks of supplementation with 20 microg/day of vitamin D3...
  18. pmc Vitamin D(3) in fat tissue
    Miriam Blum
    Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, 711 Washington St, Boston, MA, 02111, USA
    Endocrine 33:90-4. 2008
    ..Compatible with the long-standing concept that fat tissue is a storage site for vitamin D, fat tissue and serum vitamin D(3) concentrations were positively correlated...
  19. pmc Serum 25-hydroxyvitamin D concentration and physical function in adult men
    Lisa Ceglia
    Division of Endocrinology, Diabetes and Metabolism, Tufts Medical Center, Boston, MA, USA
    Clin Endocrinol (Oxf) 74:370-6. 2011
    ..This study investigated whether serum 25-hydroxyvitamin D [25(OH)D] concentration was associated with lean body mass, muscle strength and physical performance in men...
  20. pmc An evaluation of the reliability of muscle fiber cross-sectional area and fiber number measurements in rat skeletal muscle
    Lisa Ceglia
    Division of Endocrinology, Diabetes, and Metabolism, Tufts Medical Center, Washington Street, Box 268, 800, Boston, MA, 02111, USA
    Biol Proced Online 15:6. 2013
    ....
  21. doi request reprint Meal conditions affect the absorption of supplemental vitamin D3 but not the plasma 25-hydroxyvitamin D response to supplementation
    Bess Dawson-Hughes
    Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
    J Bone Miner Res 28:1778-83. 2013
    ....
  22. doi request reprint Does vitamin D affect timing of menarche?
    Anna Chew
    Bone Metabolism Laboratory, Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging, 711 Washington Street, Boston, Massachusetts 02111, USA
    Nutr Rev 71:189-93. 2013
    ..Early menarche and vitamin D deficiency are both associated with poor health outcomes, and further exploration of their association is important for women's health...
  23. pmc Serum sclerostin levels vary with season
    Bess Dawson-Hughes
    Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging B D H, S S H, L C, N J P, Tufts University, and Division of Endocrinology, Diabetes, and Metabolism B D H, L C, Tufts Medical Center, Boston, Massachusetts 02111
    J Clin Endocrinol Metab 99:E149-52. 2014
    ..Conclusions: This study documents marked seasonal variation in serum sclerostin levels. It is important to recognize this source of biological variability when considering the potential clinical utility of sclerostin measurements. ..
  24. doi request reprint Effects of alkali supplementation and vitamin D insufficiency on rat skeletal muscle
    Lisa Ceglia
    Division of Endocrinology, Diabetes, and Metabolism, Tufts Medical Center, Box 268, 800 Washington Street, Boston, MA, 02111, USA
    Endocrine 44:454-64. 2013
    ..Additional research is needed in defining the muscle biological pathways that are being targeted by alkali and vitamin D supplementation...
  25. doi request reprint Vitamin D and its role in skeletal muscle
    Lisa Ceglia
    Division of Endocrinology, Diabetes, and Metabolism, Tufts Medical Center, 800 Washington Street, Box 268, Boston, MA 02111, USA
    Calcif Tissue Int 92:151-62. 2013
    ....
  26. pmc Multi-step immunofluorescent analysis of vitamin D receptor loci and myosin heavy chain isoforms in human skeletal muscle
    Lisa Ceglia
    Tufts Medical Center, Boston, MA, USA
    J Mol Histol 41:137-42. 2010
    ..This method can thus be a useful approach to study potential relationships between muscle fiber subtypes and vitamin D receptor expression...
  27. ncbi request reprint Precision of single vs bilateral hip bone mineral density scans
    Jennifer White
    Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA
    J Clin Densitom 6:159-62. 2003
    ..94% for total body fat tissue, and 0.77% for total body nonfat soft tissue. We conclude that precision overall is excellent and that femoral neck precision can be improved with bilateral compared with the traditional single hip scans...
  28. ncbi request reprint Calcium intake influences the association of protein intake with rates of bone loss in elderly men and women
    Bess Dawson-Hughes
    Calcium and Bone Metabolism Laboratory, Jean Mayer US Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111, USA
    Am J Clin Nutr 75:773-9. 2002
    ..There is currently no consensus on the effect of dietary protein intake on the skeleton, but there is some indication that low calcium intakes adversely influence the effect of dietary protein on fracture risk...
  29. ncbi request reprint Vitamin D in type 1 diabetes prevention
    Susan S Harris
    Institute for Community Health Studies, New England Research Institutes, Watertown, MA 02472, USA
    J Nutr 135:323-5. 2005
    ....
  30. pmc Prevalence of vitamin D deficiency in uninsured women
    Radhika R Kakarala
    Department of Internal Medicine, McLaren Regional Medical Center, Michigan State University, Flint, Michigan 48532 3685, USA
    J Gen Intern Med 22:1180-3. 2007
    ..Uninsured women may be at an even higher risk for vitamin D deficiency than others owing to low intake of dietary and supplemental vitamin D and limited sun exposure...
  31. ncbi request reprint Calcium supplement and osteoporosis medication use in women and men with recent fractures
    Alejandra Pro-Risquez
    Brookline Associates of Internal Medicine, Brighton, MA, USA
    Osteoporos Int 15:689-94. 2004
    ..This suggests that the primary care physician is well positioned to bring about much needed change in the quality of care of fracture patients...
  32. ncbi request reprint Vitamin D and type 1 diabetes
    Susan S Harris
    Am J Clin Nutr 79:889-90; author reply 890. 2004
  33. ncbi request reprint Testosterone, dehydroepiandrosterone, and physical performance in older men: results from the Massachusetts Male Aging Study
    Amy B O'Donnell
    New England Research Institutes, 9 Galen Street, Watertown, MA 02472, USA
    J Clin Endocrinol Metab 91:425-31. 2006
    ..This manuscript examines the relationships of total testosterone (T), bioavailable T, dehydroepiandrosterone (DHEA), and DHEA sulfate (DHEAS) to measures of physical performance in a large, population-based, random sample of men...
  34. ncbi request reprint The effect of calcium consumption on iron absorption and iron status
    Susan S Harris
    New England Research Institutes
    Nutr Clin Care 5:231-5. 2002
    ..Recommended calcium intakes are important for skeletal health and do not appear to increase the risk for iron deficiency in healthy people...