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PBRC NEWS |
Genes reveal how much we will benefit from regular exercise
Thursday, February 04, 2010
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Medical therapy delivered by primary care doctors is successful in severe obesity
Monday, January 25, 2010
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Can exercise keep a spring in our step longer?
Wednesday, November 04, 2009
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A decade later, lifestyle changes continue to lower type 2 diabetes risk
Wednesday, October 28, 2009
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Scientists launch statewide dementia research program
Public invited to “Meet the Experts”
Tuesday, October 27, 2009
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Experts grade children’s health;
Louisiana gets a “D” – again
Monday, September 14, 2009
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TAKE 5 FOR DIABETES |
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Pennington Biomedical Research Center’s Take 5 for Diabetes Education Program is a series of 5 class meetings designed for individuals with Type II diabetes, metabolic syndrome, pre-diabetes or those who have a family history of diabetes. To learn more, click here. |
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Donna Ryan, M.D.
Associate Executive Director for Clinical Research
Professor
Department/Laboratory:
Office of Assoc. Exec. Director for Clinical Research
Skeletal Muscle Metabolism
USDA
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Phone:
(225) 763-2514
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Fax:
(225) 763-3193 |
Send
E-mail
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Education:
M. D., Louisiana State University School of Medicine, New Orleans, LA, 1970
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Research
Interests:
Dr. Ryan's main area of interest is in clinical research in obesity prevention and treatment. Her research projects include LOSS (Louisiana Obese Subjects Study), a randomized comparison of obesity surgery and medical approaches for morbid obesity, and POUNDS LOST (Preventing Obesity Using Novel Dietary Strategies), a comparison of four diets of differing macronutrient content.
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Selected
Publications:
White MA, Martin PD, Newton RL, Walden HM, York-Crowe EE, Gordon ST, Ryan DH, Williamson DA. Mediators of weight loss in a family-based intervention presented over the internet. Obes Res. 2004 Jul;12(7):1050-9
Bogacka I, Roane DS, Xi X, Zhou J, Li B, Ryan DH, Martin RJ. Expression levels of genes likely involved in glucose-sensing in the obese Zucker rat brain. Nutr Neurosci. 2004 Apr;7(2):67-74
Harris RB, Gu H, Mitchell TD, Endale L, Russo M, Ryan DH. Increased glucocorticoid response to a novel stress in rats that have been restrained. Physiol Behav. 2004 Jun;81(4):557-68
Hausman DB, Lu J, Ryan DH, Flatt WP, Harris RB. Compensatory growth of adipose tissue after partial lipectomy: involvement of serum factors. Exp Biol Med (Maywood). 2004 Jun;229(6):512-20.1
Ryan DH. Clinical use of sibutramine. Drugs Today (Barc). 2004 Jan;40(1):41-54. Review
Ryan DH. Use of sibutramine to treat obesity. Prim Care. 2003 Jun;30(2):405-26, viii. Review
Paeratakul S, Ferdinand DP, Champagne CM, Ryan DH, Bray GA. Fast-food consumption among US adults and children: dietary and nutrient intake profile. J Am Diet Assoc. 2003 Oct;103(10):1332-8
Ryan DH, Espeland MA, Foster GD, Haffner SM, Hubbard VS, Johnson KC, Kahn SE, Knowler WC, Yanovski SZ; Look AHEAD Research Group. Look AHEAD (Action for Health in Diabetes): design and methods for a clinical trial of weight loss for the prevention of cardiovascular disease in type 2 diabetes. Control Clin Trials. 2003 Oct;24(5):610-28
Zhou J, Roane DS, Xi X, Bogacka I, Li B, Ryan DH, Martin RJ. Short-term food restriction and refeeding alter expression of genes likely involved in brain glucosensing. Exp Biol Med (Maywood). 2003 Sep;228(8):943-50
Magill RA, Waters WF, Bray GA, Volaufova J, Smith SR, Lieberman HR, McNevin N, Ryan DH. Effects of tyrosine, phentermine, caffeine D-amphetamine, and placebo on cognitive and motor performance deficits during sleep deprivation. Nutr Neurosci. 2003 Aug;6(4):237-46
Waters WF, Magill RA, Bray GA, Volaufova J, Smith SR, Lieberman HR, Rood J, Hurry M, Anderson T, Ryan DH. A comparison of tyrosine against placebo, phentermine, caffeine, and D-amphetamine during sleep deprivation. Nutr Neurosci. 2003 Aug;6(4):221-35
Bray GA, Ryan DH, Harsha DW. Diet, Weight Loss, and Cardiovascular Disease Prevention. Curr Treat Options Cardiovasc Med. 2003 Aug;5(4):259-269
Ryan DH; Diabetes Prevention Program Research Group. Diet and exercise in the prevention of diabetes. Int J Clin Pract Suppl. 2003 Mar;(134):28-35. Review
Papakonstantinou E, Ryan DH, Harris RB. Dietary fish oil does not protect rats exposed to restraint or sleep deprivation stress. Physiol Behav. 2003 Apr;78(4-5):759-65
Xi X, Roane DS, Zhou J, Ryan DH, Martin RJ. Double-color fluorescence in situ hybridization with RNA probes. Biotechniques. 2003 May;34(5):914-6, 918
Li B, Xi X, Roane DS, Ryan DH, Martin RJ. Distribution of glucokinase, glucose transporter GLUT2, sulfonylurea receptor-1, glucagon-like peptide-1 receptor and neuropeptide Y messenger RNAs in rat brain by quantitative real time RT-PCR. Brain Res Mol Brain Res. 2003 May 12;113(1-2):139-42
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