RUTH B HARRIS

Summary

Affiliation: University of Georgia
Country: USA

Publications

  1. ncbi request reprint Energy expenditure and body composition of chronically maintained decerebrate rats in the fed and fasted condition
    Ruth B S Harris
    Department of Foods and Nutrition, Dawson Hall, University of Georgia, Athens, Georgia 30602, USA
    Endocrinology 147:1365-76. 2006
  2. ncbi request reprint Leptin responsiveness in chronically decerebrate rats
    Ruth B S Harris
    Department of Foods and Nutrition, Dawson Hall, University of Georgia, Athens, GA 30602, USA
    Endocrinology 148:4623-33. 2007
  3. ncbi request reprint Differences in response to corticotropin-releasing factor after short- and long-term consumption of a high-fat diet
    Ariadne Legendre
    Department of Foods and Nutrition, University of Georgia, Athens, GA 30602, USA
    Am J Physiol Regul Integr Comp Physiol 293:R1076-85. 2007
  4. ncbi request reprint Changes in environmental temperature influence leptin responsiveness in low- and high-fat-fed mice
    Ruth B S Harris
    Department of Foods and Nutrition, University of Georgia, Dawson Hall, Athens, GA 30602, USA
    Am J Physiol Regul Integr Comp Physiol 293:R106-15. 2007
  5. ncbi request reprint Chronic disruption of body weight but not of stress peptides or receptors in rats exposed to repeated restraint stress
    Ruth B S Harris
    Department of Foods and Nutrition, Dawson Hall, University of Georgia, Athens, GA 30605, USA
    Horm Behav 49:615-25. 2006
  6. ncbi request reprint Increased glucocorticoid response to a novel stress in rats that have been restrained
    Ruth B S Harris
    Department of Foods and Nutrition, Dawson Hall, University of Georgia, Athens, GA 30602, USA
    Physiol Behav 81:557-68. 2004
  7. ncbi request reprint Leptin action is modified by an interaction between dietary fat content and ambient temperature
    Andrea L Haltiner
    Department of Foods and Nutrition, University of Georgia, Athens, GA 30602, USA
    Am J Physiol Regul Integr Comp Physiol 287:R1250-5. 2004
  8. ncbi request reprint Method of leptin dosing, strain, and group housing influence leptin sensitivity in high-fat-fed weanling mice
    Heather Bowen
    Department of Foods and Nutrition, University of Georgia, Athens, Georgia 30602, USA
    Am J Physiol Regul Integr Comp Physiol 284:R87-100. 2003
  9. ncbi request reprint Hyperleptinemia and reduced TNF-alpha secretion cause resistance of db/db mice to endotoxin
    Abram M Madiehe
    Department of Foods and Nutrition, University of Georgia, Athens, Georgia 30602, USA
    Am J Physiol Regul Integr Comp Physiol 284:R763-70. 2003
  10. pmc Antagonism of specific corticotropin-releasing factor receptor subtypes selectively modifies weight loss in restrained rats
    Christina Chotiwat
    Department of Foods and Nutrition, University of Georgia, Dawson Hall, Athens, GA 30605, USA
    Am J Physiol Regul Integr Comp Physiol 295:R1762-73. 2008

Collaborators

Detail Information

Publications33

  1. ncbi request reprint Energy expenditure and body composition of chronically maintained decerebrate rats in the fed and fasted condition
    Ruth B S Harris
    Department of Foods and Nutrition, Dawson Hall, University of Georgia, Athens, Georgia 30602, USA
    Endocrinology 147:1365-76. 2006
    ..In the absence of communication from the forebrain, the caudal brainstem is inadequate for maintenance of testosterone levels or lean tissue in fed or fasted animals...
  2. ncbi request reprint Leptin responsiveness in chronically decerebrate rats
    Ruth B S Harris
    Department of Foods and Nutrition, Dawson Hall, University of Georgia, Athens, GA 30602, USA
    Endocrinology 148:4623-33. 2007
    ....
  3. ncbi request reprint Differences in response to corticotropin-releasing factor after short- and long-term consumption of a high-fat diet
    Ariadne Legendre
    Department of Foods and Nutrition, University of Georgia, Athens, GA 30602, USA
    Am J Physiol Regul Integr Comp Physiol 293:R1076-85. 2007
    ....
  4. ncbi request reprint Changes in environmental temperature influence leptin responsiveness in low- and high-fat-fed mice
    Ruth B S Harris
    Department of Foods and Nutrition, University of Georgia, Dawson Hall, Athens, GA 30602, USA
    Am J Physiol Regul Integr Comp Physiol 293:R106-15. 2007
    ....
  5. ncbi request reprint Chronic disruption of body weight but not of stress peptides or receptors in rats exposed to repeated restraint stress
    Ruth B S Harris
    Department of Foods and Nutrition, Dawson Hall, University of Georgia, Athens, GA 30605, USA
    Horm Behav 49:615-25. 2006
    ....
  6. ncbi request reprint Increased glucocorticoid response to a novel stress in rats that have been restrained
    Ruth B S Harris
    Department of Foods and Nutrition, Dawson Hall, University of Georgia, Athens, GA 30602, USA
    Physiol Behav 81:557-68. 2004
    ..Therefore, multiple aspects of the stress response may be exaggerated in these animals and contribute to the chronic reduction in body weight...
  7. ncbi request reprint Leptin action is modified by an interaction between dietary fat content and ambient temperature
    Andrea L Haltiner
    Department of Foods and Nutrition, University of Georgia, Athens, GA 30602, USA
    Am J Physiol Regul Integr Comp Physiol 287:R1250-5. 2004
    ..These results suggest that dietary fat modifies the mechanisms responsible for leptin-induced changes in body fat content and that those in HF-fed mice are sensitive to environmental temperature...
  8. ncbi request reprint Method of leptin dosing, strain, and group housing influence leptin sensitivity in high-fat-fed weanling mice
    Heather Bowen
    Department of Foods and Nutrition, University of Georgia, Athens, Georgia 30602, USA
    Am J Physiol Regul Integr Comp Physiol 284:R87-100. 2003
    ....
  9. ncbi request reprint Hyperleptinemia and reduced TNF-alpha secretion cause resistance of db/db mice to endotoxin
    Abram M Madiehe
    Department of Foods and Nutrition, University of Georgia, Athens, Georgia 30602, USA
    Am J Physiol Regul Integr Comp Physiol 284:R763-70. 2003
    ..This resistance may be due to high levels of free leptin cross-reacting with other cytokine receptors...
  10. pmc Antagonism of specific corticotropin-releasing factor receptor subtypes selectively modifies weight loss in restrained rats
    Christina Chotiwat
    Department of Foods and Nutrition, University of Georgia, Dawson Hall, Athens, GA 30605, USA
    Am J Physiol Regul Integr Comp Physiol 295:R1762-73. 2008
    ..The sustained reduction in body weight is independent of the severity of hypophagia on the days of restraint and of RRS-induced corticosterone release...
  11. ncbi request reprint Compensation for an increase in body fat caused by donor transplants into mice
    Cherie Rooks
    Department of Foods and Nutrition, University of Georgia, Athens, 30602, USA
    Am J Physiol Regul Integr Comp Physiol 286:R1149-55. 2004
    ..These results suggest that mice have mechanisms to maintain total body fat mass that respond to an increase in the number of fat cells present...
  12. ncbi request reprint High dietary calcium reduces body fat content, digestibility of fat, and serum vitamin D in rats
    Emilia Papakonstantinou
    Department of Foods and Nutrition, University of Georgia, Athens, Georgia 30602, USA
    Obes Res 11:387-94. 2003
    ..This study investigated which aspect of energy balance was responsible for the decrease in body fat content of rats fed a high-calcium, high-dairy protein diet...
  13. pmc Antagonism of corticotrophin-releasing factor receptors in the fourth ventricle modifies responses to mild but not restraint stress
    Joanna R Miragaya
    Department of Foods and Nutrition, Dawson Hall, University of Georgia, Athens, GA 30602, USA
    Am J Physiol Regul Integr Comp Physiol 295:R404-16. 2008
    ..Hindbrain CRFR do not appear to influence stress-induced corticosterone release in RRS rats...
  14. ncbi request reprint Sympathetic denervation does not prevent a reduction in fat pad size of rats or mice treated with peripherally administered leptin
    Cherie R Rooks
    Department of Foods and Nutrition, Dawson Hall, University of Georgia, Athens, GA 30602, USA
    Am J Physiol Regul Integr Comp Physiol 289:R92-102. 2005
    ..These changes in intact pads of rats with one denervated fat pad imply communication between fat depots and suggest that both leptin and the SNS regulate the size of individual depots...
  15. ncbi request reprint Direct and indirect effects of leptin on preadipocyte proliferation and differentiation
    Blair Wagoner
    Department of Foods and Nutrition, Dawson Hall, University of Georgia, Athens, GA 30602, USA
    Am J Physiol Regul Integr Comp Physiol 290:R1557-64. 2006
    ..These results suggest that leptin could inhibit preadipocyte proliferation by modifying release of a factor from tissue other than adipose tissue...
  16. ncbi request reprint Exaggerated response to mild stress in rats fed high-fat diet
    Ariadne Legendre
    Dept of Foods and Nutrition, Dawson Hall, Univ of Georgia, Athens, GA 30602, USA
    Am J Physiol Regul Integr Comp Physiol 291:R1288-1294. 2006
    ..The hyperresponsiveness of the HPA axis in HF-fed rats is similar to that observed in animals that have been exposed to a significant chronic or acute stress, suggesting that the HF diet may initially be perceived as a stressor...
  17. ncbi request reprint Effects of central or peripheral leptin administration on norepinephrine turnover in defined fat depots
    Dawn M Penn
    Department of Foods and Nutrition, University of Georgia, Dawson Hall, Athens, GA 30602, USA
    Am J Physiol Regul Integr Comp Physiol 291:R1613-21. 2006
    ..These results demonstrate that leptin acting either centrally or peripherally selectively increases sympathetic outflow to white fat depots and that a leptin-induced change in fat pad weight does not require an increase in NETO...
  18. ncbi request reprint Increased anxiety-like behavior during the post-stress period in mice exposed to repeated restraint stress
    Christina Chotiwat
    Department of Foods and Nutrition, Dawson Hall, The University of Georgia, Athens, GA 30602, USA
    Horm Behav 50:489-95. 2006
    ..This post-stress hypersensitivity to mild stress may contribute to the sustained reduction in the body weight of RR animals...
  19. ncbi request reprint Compensation for partial lipectomy in mice with genetic alterations of leptin and its receptor subtypes
    Ruth B S Harris
    Department of Foods and Nutrition, University of Georgia, Athens 30602, USA
    Am J Physiol Regul Integr Comp Physiol 283:R1094-103. 2002
    ..These data indicate that leptin is not required for the regulation of total body fat...
  20. ncbi request reprint Strain-dependent stimulation of growth in leptin-treated obese db/db mice
    Abram M Madiehe
    Department of Foods and Nutrition, University of Georgia, Athens 30602, USA
    Endocrinology 143:3875-83. 2002
    ..This response may be masked by activation of the long-form receptor in wild-type animals that lose body fat during leptin treatment...
  21. ncbi request reprint Leptin responsiveness in mice that ectopically express agouti protein
    Ruth B S Harris
    Department of Foods and Nutrition, University of Georgia, Dawson Hall, Athens, GA 30605, USA
    Physiol Behav 75:159-67. 2002
    ..These results demonstrate that the effect of leptin on energy balance is not entirely dependent upon the melanocortin system...
  22. ncbi request reprint Leptin-induced changes in body composition in high fat-fed mice
    Ruth B S Harris
    Pennington Biomedical Research Center, Baton Rouge, LA 70808, USA
    Exp Biol Med (Maywood) 228:24-32. 2003
    ....
  23. ncbi request reprint Leptin resistance in mice is determined by gender and duration of exposure to high-fat diet
    Ruth B S Harris
    Department of Foods and Nutrition, Dawson Hall, University of Georgia, Athens, GA 30602, USA
    Physiol Behav 78:543-55. 2003
    ....
  24. ncbi request reprint Dietary fish oil does not protect rats exposed to restraint or sleep deprivation stress
    Emilia Papakonstantinou
    Department of Foods and Nutrition, University of Georgia, Dawson Hall, Athens, GA 30602, USA
    Physiol Behav 78:759-65. 2003
    ..In conclusion, our results suggest that high levels of dietary FO do not improve the response to stress in rats exposed to mixed stressors...
  25. ncbi request reprint Compensatory growth of adipose tissue after partial lipectomy: involvement of serum factors
    Dorothy B Hausman
    Department of Foods and Nutrition, University of Georgia, Athens, Georgia 30602, USA
    Exp Biol Med (Maywood) 229:512-20. 2004
    ..Thus, compensatory adipose tissue growth after lipectomy may be mediated, in part, by blood-borne factors that are derived from tissues other than adipose tissue...
  26. ncbi request reprint Weight loss in rats exposed to repeated acute restraint stress is independent of energy or leptin status
    Ruth B S Harris
    Pennington Biomedical Research Center, Baton Rouge, Louisiana 70808, USA
    Am J Physiol Regul Integr Comp Physiol 282:R77-88. 2002
    ..These results indicate that repeated acute stress induces a chronic change in weight independent of stress-induced hypophagia and may represent a change in homeostasis initiated by repeated acute activation of the central CRF system...
  27. ncbi request reprint Rats fed only during the light period are resistant to stress-induced weight loss
    Ruth B S Harris
    Pennington Biomedical Research Center, 6400 Perkins Road, Baton Rouge, LA 70808, USA
    Physiol Behav 76:543-50. 2002
    ..This study demonstrates that stress-induced weight loss only occurs when rats have food available during their normal feeding period (dark phase) and is not determined by increased corticosterone release...
  28. doi request reprint Location, location, location
    Ruth B S Harris
    Department of Foods and Nutrition, University of Georgia, Athens, GA 30602, USA
    Cell Metab 7:359-61. 2008
    ..While subcutaneous fat seems to confer metabolic benefits, species differences in adipose biology justify caution in interpreting the results...
  29. ncbi request reprint Short photoperiod exposure increases adipocyte sensitivity to noradrenergic stimulation in Siberian hamsters
    Robert R Bowers
    Molecular and Cellular Biology and Pathobiology Program, Medical University of South Carolina, Charleston, USA
    Am J Physiol Regul Integr Comp Physiol 288:R1354-60. 2005
    ..Therefore, the SD-induced increase in SNS drive to WAT and increased sensitivity to this drive may work together to increase lipolysis in SDs...
  30. pmc Differential control of peripheral circadian rhythms by suprachiasmatic-dependent neural signals
    Hongnian Guo
    Department of Biology and Program in Neuroscience and Behavior, University of Massachusetts, Amherst, MA 01003, USA
    Proc Natl Acad Sci U S A 102:3111-6. 2005
    ..These results indicate that the SCN regulates expression of circadian oscillations in different peripheral organs by diverse pathways...
  31. ncbi request reprint Melanocortin-4 receptor mRNA is expressed in sympathetic nervous system outflow neurons to white adipose tissue
    C Kay Song
    Department of Biology, Neurobiology and Behavior Program, Georgia State University, 24 Peachtree Center Ave NE, Atlanta, Georgia 30302 4010, USA
    Am J Physiol Regul Integr Comp Physiol 289:R1467-76. 2005
    ..These data provide compelling neuroanatomical evidence that could underlie a direct central modulation of the sympathetic outflow to WAT by the melanocortins through the MC4-Rs resulting in changes in lipid mobilization and adiposity...
  32. ncbi request reprint CXCL13 is required for B1 cell homing, natural antibody production, and body cavity immunity
    K Mark Ansel
    Howard Hughes Medical Institute and Department of Microbiology and Immunology, University of California, San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
    Immunity 16:67-76. 2002
    ..These findings provide insight into the mechanism of B1 cell homing and establish a critical role for B1 cell compartmentalization in the production of natural antibodies and for body cavity immunity...
  33. pmc Melanocortin-4 receptor mRNA expressed in sympathetic outflow neurons to brown adipose tissue: neuroanatomical and functional evidence
    C Kay Song
    Department of Biology, Georgia State University, 24 Peachtree Center Ave NE, Atlanta, GA 30302 4010, USA
    Am J Physiol Regul Integr Comp Physiol 295:R417-28. 2008
    ..Collectively, these data add significant support to the view that central melanocortins are important in controlling IBAT thermogenesis via the SNS innervation of this tissue, likely through the MC4-Rs...