Maria Barnes, Ph.D.

Assistant Professor- Research

Nutrition and Neural Signaling
(225) 763-0907
(225) 763-2525
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Ph.D., Wayne State University, Nutrition and Food Science, 2003
M.S., Wayne State University, Physiology, 2001
B.S., Stillman College, Biology, 1995


1. Neuroscience
2. Diet induced obesity
3. Obesity induced hypertension
4. Thermogenesis


Barnes M.J., Argyropoulos G., Bray G.A. (2010) Preference for a high fat diet, but not hyperphagia following activation of mu opioid receptors is blocked in AgRP knockout mice. Brain Research 1317:100- 107. PMCID: 20051234

Barnes M.J., Rogers R.C., VanMeter M.J., Hermann G.E. (2010) Co-localization of TRHR1 and LepRb receptors on neurons in the hindbrain of the rat. Brain Research 1355:70-85. PMCID: 20691166

White C.L., Whittington A., Barnes M.J., Wang Z., Bray G.A., Morrison C.D. (2009) HF diets increase hypothalamic PTP1B and induce lepting resistance through both leptin-dependent and –independent mechanisms. Am J Physiol Endocrinol Metab 296(2):E291-9. PMCID: 2645015

Rogers R.C., Barnes M.J., Hermann G.E. (2009) Leptin “gates” thermogenic action of thyrotropin-releasing hormone in the hindbrain. Brain Research 1295:135-141. PMCID: 19643094

Barnes M.J., Primeaux S.D., Bray G.A. (2008) Food deprivation increases the mRNA expression of {micro} –opioid receptors in the ventral medial hypothalamus and arcuate nucleus Am J Physiol Regul Integr Comp Physiol 295(5):R1385-1390. PMCID: 18768770

Barnes M.J., Holmes G., Primeaux S.D., York D.A., Bray G.A. (2006) Increased expression of mu opioid receptors in animals susceptible to diet-induced obesity Peptides 27(12):3292-3298. PMCID: 16996647

Hermann G.E., Barnes M.J. and Rogers R.C. (2006) Leptin and Thyrotropin Releasing Hormone: Cooperative action in the brainstem to activate brown adipose thermogenesis. Brain Research 1117(1):118-124. PMCID: 16956588

Barnes M.J., Jen K.L., Dunbar J.C. (2004). The effect of CNS opioid on autonomic nervous and cardiovascular responses in diet-induced obese rats. Peptides 25:71-79. PMCID: 15003358

Barnes M.J., Lapanowski K., Conley A., Rafols J.A., Jen K.L., Dunbar J.C. (2003). High fat feeding is associated with increased blood pressure, sympathetic nerve activity, and hypothalamic mu opioid receptors. Brain Research Bulletin 61(5):54-59. PMCID: 13679250 ^ top