Barbara Horwitz, Ph.D.

Professor
280 Briggs Hall
Davis Campus
(530) 752-0169
e-mail

Recent/Current
Research Funding

National Institutes
of Health

Graduate Group Affiliations

Molecular, Cellular and
Integrative Physiology

Research Interests

Neural, hormonal, and genetic regulation of cellular oxidative metabolism, energy balance, obesity, and thermogenesis. Extracellular signal reception/intracellular signal transduction and uncoupling proteins; physiological changes with obesity/aging.

Representative Publications

Ohliger-Frerking P, JM Horowitz, & BA Horwitz. 2003. Serotonergic dorsal raphe neurons from obese zucker rats are hyperexcitable. Neuroscience 120:627-634.

Gabaldon AM, DA Gavel, JS Hamilton, RB McDonald, BA Horwitz. 2003. Norepinephrine release in brown adipose tissue remains robust in cold-exposed senescent Fischer 344 rats. Am J Physiol: Regul, Integ & Comp Physiol 285: R91-R98.

Horvath, TK, S Diano, S Miyamoto, S Barry, S Gatti, D. Alberati, F. Livak, A Lombardi, M Moreno, F Goglia, G Mor, J Hamilton, D Kachinskas, B. Horwitz, & CH Warden. 2002. Uncoupling proteins-2 and 3 influence obesity and inflammation in transgenic mice. Int. J. Obesity 27: 433-442.

Ohliger-Frerking P, JM Horowitz, & BA Horwitz. 2002. Enhanced adrenergic excitation of serotonergic dorsal Raphe neurons in genetically obese rats. Neurosci Lett. 31: 332:107-112.

Horwitz, BA, CA Blanton and RB McDonald. 2002. Physiologic determinants of the anorexia of aging: Insights from animal studies. Ann. Rev. Nutr. 22:417-438

Blanton, CA, BA Horwitz, JE Blevins, JS Hamilton, EJ Hernandez and RB McDonald. 2001. Reduced feeding responses to neuropeptide Y in senescent Fischer 344 rats. American Journal of Physiology. 280(4):R1052-60

De Fanti BA, DA Gavel, JS Hamilton, and BA Horwitz. 2000. Extracellular hypothalamic serotonin levels after dorsal raphe nuclei stimulation of lean (Fa/Fa) and obese (fa/fa) Zucker rats. . Brain Researcn. 869:6-14

Teaching Interests

Cellular physiology; metabolic physiology

Honors and Awards

National Institute of Health Merit Award

Academic Senate Distinguished Teaching Award

UC Davis Prize for Teaching and Scholarly Achievement

Arthur C. Guyton Physiology Teacher of the Year

Past President, American Physiological Society

Past President, Society for Experimental Biology and Medicine

Board of Directors, Federation of American Societies