Research Topics
Genomes and Genes | Kevin W WilliamsSummaryAffiliation: University of Texas Southwestern Medical Center Country: USA Publications
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Publications
From neuroanatomy to behavior: central integration of peripheral signals regulating feeding behaviorKevin W Williams
Department of Internal Medicine, Division of Hypothalamic Research, The University of Texas Southwestern Medical Center at Dallas, Dallas, Texas, USA
Nat Neurosci 15:1350-5. 2012..This Review highlights contributions to our understanding of peripheral and central factors regulating food intake and energy expenditure...
The acute effects of leptin require PI3K signaling in the hypothalamic ventral premammillary nucleusKevin W Williams
Division of Hypothalamic Research, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas 75390, USA
J Neurosci 31:13147-56. 2011....
Leptin receptor expression in hindbrain Glp-1 neurons regulates food intake and energy balance in miceMichael M Scott
Division of Hypothalamic Research, Department of Internal Medicine, The University of Texas Southwestern Medical Center, Dallas, Texas 75390 9077, USA
J Clin Invest 121:2413-21. 2011..Together, these data support a physiologically important role of direct leptin action in the hindbrain...
Segregation of acute leptin and insulin effects in distinct populations of arcuate proopiomelanocortin neuronsKevin W Williams
Division of Hypothalamic Research, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas 75390, USA
J Neurosci 30:2472-9. 2010..Collectively, these data suggest that cross talk between leptin and insulin occurs within a network of cells rather than within individual POMC neurons...
Serotonin 2C receptor activates a distinct population of arcuate pro-opiomelanocortin neurons via TRPC channelsJong Woo Sohn
Division of Hypothalamic Research, Department of Internal Medicine, The University of Texas Southwestern Medical Center at Dallas, Dallas, TX 75390, USA
Neuron 71:488-97. 2011..Together, our data suggest that 5-HT(2C)R and leptin receptors are expressed by distinct subpopulations of arcuate POMC neurons and that both 5-HT and leptin exert their actions in POMC neurons via TRPC channels. VIDEO ABSTRACT:..
Acute effects of leptin require PI3K signaling in hypothalamic proopiomelanocortin neurons in miceJennifer W Hill
Division of Hypothalamic Research, Department of Internal Medicine and Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, Texas 75390, USA
J Clin Invest 118:1796-805. 2008....
5-HT2CRs expressed by pro-opiomelanocortin neurons regulate insulin sensitivity in liverYong Xu
Division of Hypothalamic Research and Department of Internal Medicine, UT Southwestern Medical Center, Dallas, Texas, USA
Nat Neurosci 13:1457-9. 2010..Our findings indicate that 5-HT(2C)Rs expressed by POMC neurons are physiologically relevant regulators of insulin sensitivity and glucose homeostasis in the liver...
Functional heterogeneity of arcuate nucleus pro-opiomelanocortin neurons: implications for diverging melanocortin pathwaysJong Woo Sohn
Division of Hypothalamic Research, Department of Internal Medicine, University of Texas Southwestern Medical Center at Dallas, 5323 Harry Hines Boulevard, Dallas, TX 75390 9077, USA
Mol Neurobiol 45:225-33. 2012..This review will summarize the role of leptin and serotonin receptors in regulating the activity of POMC neurons and provide a model in which different melanocortin pathways regulate energy and glucose homeostasis...
5-HT2CRs expressed by pro-opiomelanocortin neurons regulate energy homeostasisYong Xu
Division of Hypothalamic Research, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
Neuron 60:582-9. 2008..The findings also highlight the physiological relevance of the 5-HT2CR-melanocortin circuitry in the long-term regulation of energy balance...
"AMPing up" our understanding of the hypothalamic control of energy balanceKevin W Williams
Division of Hypothalamic Research, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas 85390 9051, USA
J Clin Invest 117:2089-92. 2007..These findings maintain AMPK signaling as a common cellular mechanism in proopiomelanocortin and neuropeptide Y/agouti-related protein neurons and links hypothalamic AMPK to coordinated energy and glucose homeostasis...
Brain SIRT1: anatomical distribution and regulation by energy availabilityGiorgio Ramadori
Department of Internal Medicine, Division of Hypothalamic Research, The University of Texas Southwestern Medical Center, Dallas, Texas 75390 9077, USA
J Neurosci 28:9989-96. 2008..Collectively, our findings establish the distribution of Sirt1 mRNA throughout the neuraxis and suggest a previously unrecognized role of brain SIRT1 in regulating energy homeostasis...
Modulation of the central melanocortin system by leptin, insulin, and serotonin: co-ordinated actions in a dispersed neuronal networkKevin W Williams
Division of Hypothalamic Research, Department of Internal Medicine, The University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
Eur J Pharmacol 660:2-12. 2011....
Induction of leptin resistance by activation of cAMP-Epac signalingMakoto Fukuda
Division of Hypothalamic Research, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
Cell Metab 13:331-9. 2011..Finally, central infusion of an Epac activator blunted the anorexigenic actions of leptin. Thus, activation of hypothalamic cAMP-Epac pathway is sufficient to induce multiple indices of leptin resistance...
From observation to experimentation: leptin action in the mediobasal hypothalamusKevin W Williams
Division of Hypothalamic Research, Department of Internal Medicine, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 85390 905, USA
Am J Clin Nutr 89:985S-990S. 2009....
Neuroanatomy of melanocortin-4 receptor pathway in the lateral hypothalamic areaHuxing Cui
Department of Psychiatry, The University of Texas Southwestern Medical Center, Dallas, Texas 75390 9127, USA
J Comp Neurol 520:4168-83. 2012..Our findings provide new insights into MC4R signaling in the LHA and its potential implications in homeostatic regulation of body energy balance...
