Barbara Horwitz

image of Barbara Horwitz

Distinguished Professor


Office of the Chancellor & Provost
Neurobiology, Physiology and Behavior

Offices and Labs

525 Mrak Hall
(530) 752-2072
280 Briggs Hall
(530) 752-0169

Profile Introduction

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


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

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


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

CBS Grad Group Affiliations

Molecular, Cellular, and Integrative Physiology

Specialties / Focus

Molecular, Cellular, and Integrative Physiology
  • Cellular Physiology


5/21/2010 9:26:34 AM
  • 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


280 Briggs Hall
  • Jock Hamilton, Sat Chu

Teaching Interests

Cellular physiology; metabolic physiology.