Jeff Horowitz Ph.D.

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Jeff Horowitz Ph.D.

Associate Professor, Movement Science
Director, Substrate Metabolism Laboratory

Areas of Interest

Regulation of fuel mobilization and oxidation and the impact of this regulation on human health

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Publications

2011

Cornford, A. S., Barkan A. L., & Horowitz J. F. (2011).  Rapid Suppression of Growth Hormone Concentration by Overeating: Potential Mediation by Hyperinsulinemia. The Journal of Clinical Endocrinology and Metabolism. Abstract
Li, M., Paran C., Wolins N. E., & Horowitz J. F. (2011).  High muscle lipid content in obesity is not due to enhanced activation of key triglyceride esterification enzymes or to the suppression of lipolytic proteins. American Journal of Physiology. Endocrinology and Metabolism. Abstract

2010

Newsom, S. A., Schenk S., Thomas K. M., Harber M. P., Knuth N. D., Goldenberg N., et al. (2010).  Energy deficit after exercise augments lipid mobilization but does not contribute to the exercise-induced increase in insulin sensitivity. Journal of Applied Physiology (Bethesda, Md.: 1985). 108(3), 554 - 560. Abstract

2009

Surya, S., Horowitz J. F., Goldenberg N., Sakharova A., Harber M., Cornford A. S., et al. (2009).  The pattern of growth hormone delivery to peripheral tissues determines insulin-like growth factor-1 and lipolytic responses in obese subjects. The Journal of Clinical Endocrinology and Metabolism. 94(8), 2828 - 2834. Abstract
Schenk, S., Harber M. P., Shrivastava C. R., Burant C. F., & Horowitz J. F. (2009).  Improved insulin sensitivity after weight loss and exercise training is mediated by a reduction in plasma fatty acid mobilization, not enhanced oxidative capacity. The Journal of Physiology. 587(Pt 20), 4949 - 4961. Abstract
Knuth, N. D., Shrivastava C. R., & Horowitz J. F. (2009).  Reducing dietary fat from a meal increases the bioavailability of exogenous carbohydrate without altering plasma glucose concentration. Journal of Applied Physiology (Bethesda, Md.: 1985). 106(1), 122 - 129. Abstract

2008

Sakharova, A. A., Horowitz J. F., Surya S., Goldenberg N., Harber M. P., Symons K., et al. (2008).  Role of growth hormone in regulating lipolysis, proteolysis, and hepatic glucose production during fasting. The Journal of Clinical Endocrinology and Metabolism. 93(7), 2755 - 2759. Abstract
Knuth, N. D., Remias D. B., & Horowitz J. F. (2008).  Adding carbohydrate to a high-fat meal blunts postprandial lipemia in women and reduces meal-derived fatty acids in systemic circulation. Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme. 33(2), 315 - 325. Abstract

2007

Schenk, S., & Horowitz J. F. (2007).  Acute exercise increases triglyceride synthesis in skeletal muscle and prevents fatty acid-induced insulin resistance. The Journal of Clinical Investigation. 117(6), 1690 - 1698. Abstract
Horowitz, J. F. (2007).  Exercise-induced alterations in muscle lipid metabolism improve insulin sensitivity. Exercise and Sport Sciences Reviews. 35(4), 192 - 196. Abstract