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Barbara A. Horwitz

Distinguished Professor
bahorwitz (at) ucdavis (dot) edu

Neurobiology, Physiology and Behavior
Office of the Chancellor & Provost

525 Mrak Hall
(530) 752-2072

280 Briggs Hall
(530) 752-0169


1966 PhD Emory University (Physiology)
1962 MS University of Florida (Zoology)
1961 BS University of Florida (Zoology)

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.

Genetic, neural, and hormonal regulation of energy balance; alterations with obesity/age


Fellow - AAAS
Academic Senate Distinguished Teaching Award
UC Davis Prize for Teaching and Scholarly Achievement
Arthur C. Guyton Physiology Teacher of the Year

Professional Societies:

American Physiological Society (Past President)
Society for Experimental Biology & Medicine (Past President)
Federation of American Societies for Experimental Biology (Board of Directors)

CBS Graduate Group Affiliations:

Molecular, Cellular, and Integrative Physiology  


Last updated 5/21/2010
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

Laboratory Personnel:

280 Briggs Hall

Jock Hamilton,
Sat Chu

Teaching Interests:

Cellular physiology; metabolic physiology.