Karen L Sweazea

Summary

Affiliation: Arizona State University
Country: USA

Publications

  1. pmc Comparison of mechanisms involved in impaired vascular reactivity between high sucrose and high fat diets in rats
    Karen L Sweazea
    College of Nursing and Health Innovation, Arizona State University, 1401 E Tyler Mall, Tempe, 85287 4501, USA
    Nutr Metab (Lond) 7:48. 2010
  2. doi request reprint Pathophysiological responses to a schistosome infection in a wild population of mourning doves (Zenaida macroura)
    Karen L Sweazea
    School of Nutrition and Health Promotion, Arizona State University, Phoenix, AZ 85004, USA School of Life Sciences, Arizona State University, Tempe, AZ 85287, USA Electronic address
    Zoology (Jena) 118:386-93. 2015
  3. doi request reprint Comparison of metabolic substrates in alligators and several birds of prey
    Karen L Sweazea
    School of Nutrition and Health Promotion, Arizona State University, 411 North Central Avenue, Phoenix, AZ 85004, USA School of Life Sciences, Arizona State University, 401 East Tyler Mall, Tempe, AZ 85287, USA Electronic address
    Zoology (Jena) 117:253-60. 2014
  4. doi request reprint Reciprocal inhibition of in vitro substrate movement into avian skeletal muscle
    Karen L Sweazea
    School of Nutrition and Health Promotion, Arizona State University, 401 E Tyler Mall, Tempe, AZ 85287 4501, USA
    Zoology (Jena) 116:85-9. 2013
  5. pmc Impaired myogenic tone in mesenteric arteries from overweight rats
    Karen L Sweazea
    School of Nutrition and Health Promotion, Arizona State University, Phoenix, AZ, USA
    Nutr Metab (Lond) 9:18. 2012
  6. pmc Increased adiposity does not exacerbate impaired vasodilation in rats exposed to eucapnic intermittent hypoxia
    Karen L Sweazea
    Vascular Physiology Group, Department of Cell Biology and Physiology, University of New Mexico Health Sciences Center, Albuquerque, N Mex, USA
    Respiration 81:47-56. 2011
  7. pmc High fat feeding impairs endothelin-1 mediated vasoconstriction through increased iNOS-derived nitric oxide
    K L Sweazea
    College of Nursing and Health Innovation, Arizona State University, Tempe, AZ 85287 4501, USA
    Horm Metab Res 43:470-6. 2011
  8. doi request reprint Mechanisms of acetylcholine-mediated vasodilation in systemic arteries from mourning doves (Zenaida macroura)
    Catherine Jarrett
    School of Nutrition and Health Promotion, Arizona State University, 401 E Tyler Mall, Mail Code 4501, Tempe, AZ, 85287 4501, USA
    J Comp Physiol B 183:959-67. 2013
  9. doi request reprint The effect of acute stress and long-term corticosteroid administration on plasma metabolites in an urban and desert songbird
    Scott Davies
    School of Life Sciences, Arizona State University, Tempe, AZ 85287, USA
    Physiol Biochem Zool 86:47-60. 2013
  10. pmc Naturally high plasma glucose levels in mourning doves (Zenaida macroura) do not lead to high levels of reactive oxygen species in the vasculature
    Christina L Smith
    College of Nursing and Health Innovation, Arizona State University, 401 East Tyler Mall, Tempe, AZ 85287 4501, USA
    Zoology (Jena) 114:171-6. 2011

Collaborators

Detail Information

Publications15

  1. pmc Comparison of mechanisms involved in impaired vascular reactivity between high sucrose and high fat diets in rats
    Karen L Sweazea
    College of Nursing and Health Innovation, Arizona State University, 1401 E Tyler Mall, Tempe, 85287 4501, USA
    Nutr Metab (Lond) 7:48. 2010
    ..We hypothesized that similar to high fat diets (HFD), HSD feeding would lead to increased adiposity resulting in inflammation and oxidative stress-mediated impairment of vasodilation...
  2. doi request reprint Pathophysiological responses to a schistosome infection in a wild population of mourning doves (Zenaida macroura)
    Karen L Sweazea
    School of Nutrition and Health Promotion, Arizona State University, Phoenix, AZ 85004, USA School of Life Sciences, Arizona State University, Tempe, AZ 85287, USA Electronic address
    Zoology (Jena) 118:386-93. 2015
    ..These findings suggest that schistosome infections have pathological effects in doves, but the lack of mature worms suggests that infected birds in this sampling may not have been suitable hosts for parasite maturation. ..
  3. doi request reprint Comparison of metabolic substrates in alligators and several birds of prey
    Karen L Sweazea
    School of Nutrition and Health Promotion, Arizona State University, 411 North Central Avenue, Phoenix, AZ 85004, USA School of Life Sciences, Arizona State University, 401 East Tyler Mall, Tempe, AZ 85287, USA Electronic address
    Zoology (Jena) 117:253-60. 2014
    ....
  4. doi request reprint Reciprocal inhibition of in vitro substrate movement into avian skeletal muscle
    Karen L Sweazea
    School of Nutrition and Health Promotion, Arizona State University, 401 E Tyler Mall, Tempe, AZ 85287 4501, USA
    Zoology (Jena) 116:85-9. 2013
    ..As studies in mammals have shown that FFAs may impair glucose uptake pathways, it is suspected that high FFA uptake by avian skeletal muscle may induce their notably lower glucose transport...
  5. pmc Impaired myogenic tone in mesenteric arteries from overweight rats
    Karen L Sweazea
    School of Nutrition and Health Promotion, Arizona State University, Phoenix, AZ, USA
    Nutr Metab (Lond) 9:18. 2012
    ..We hypothesized that rats with increased adiposity and oxidative stress demonstrate augmented pressure-induced vasoconstriction (i.e. myogenic tone) that could account for the hypertensive state...
  6. pmc Increased adiposity does not exacerbate impaired vasodilation in rats exposed to eucapnic intermittent hypoxia
    Karen L Sweazea
    Vascular Physiology Group, Department of Cell Biology and Physiology, University of New Mexico Health Sciences Center, Albuquerque, N Mex, USA
    Respiration 81:47-56. 2011
    ..Although there often is a clinical co-incidence of increased adiposity and obstructive sleep apnea, each factor is independently associated with elevated oxidative stress...
  7. pmc High fat feeding impairs endothelin-1 mediated vasoconstriction through increased iNOS-derived nitric oxide
    K L Sweazea
    College of Nursing and Health Innovation, Arizona State University, Tempe, AZ 85287 4501, USA
    Horm Metab Res 43:470-6. 2011
    ..Therefore, oxidative stress and iNOS are involved in the attenuation of endothelin-1 mediated vasoconstriction observed in isolated mesenteric arteries from high fat fed rats...
  8. doi request reprint Mechanisms of acetylcholine-mediated vasodilation in systemic arteries from mourning doves (Zenaida macroura)
    Catherine Jarrett
    School of Nutrition and Health Promotion, Arizona State University, 401 E Tyler Mall, Mail Code 4501, Tempe, AZ, 85287 4501, USA
    J Comp Physiol B 183:959-67. 2013
    ..tibial arteries occurs through the activation of potassium channels to induce hyperpolarization with moderate reliance on sGC. Prostaglandins likewise play a small role in the vasodilatory response to ACh in mesenteric arteries. ..
  9. doi request reprint The effect of acute stress and long-term corticosteroid administration on plasma metabolites in an urban and desert songbird
    Scott Davies
    School of Life Sciences, Arizona State University, Tempe, AZ 85287, USA
    Physiol Biochem Zool 86:47-60. 2013
    ..This study suggests that Abert's towhees principally mobilize glucose during acute stress but urban and desert towhees do not differ in their CORT and metabolic response to acute stress or long-term CORT administration...
  10. pmc Naturally high plasma glucose levels in mourning doves (Zenaida macroura) do not lead to high levels of reactive oxygen species in the vasculature
    Christina L Smith
    College of Nursing and Health Innovation, Arizona State University, 401 East Tyler Mall, Tempe, AZ 85287 4501, USA
    Zoology (Jena) 114:171-6. 2011
    ..Thus, compared to rats, MODO have multiple circulating antioxidants that may prevent the development of oxidative stress in the vasculature...
  11. doi request reprint Mitochondrial function in sparrow pectoralis muscle
    Sarah Kuzmiak
    Arizona State University, Department of Kinesiology, Tempe, AZ 85287, USA
    J Exp Biol 215:2039-50. 2012
    ..This may contribute to preferential reliance on lipid oxidation, which may result in lower in vivo reactive oxygen species production in birds compared with mammals...
  12. doi request reprint Genistein supplementation prevents weight gain but promotes oxidative stress and inflammation in the vasculature of female obese ob/ob mice
    Anna Simperova
    School of Life Sciences, Arizona State University, Tempe, AZ
    Nutr Res 36:789-97. 2016
    ..028). In summary, although genistein prevents weight gain, it promotes vascular oxidative stress and inflammation in obese ovarian-intact female mice. ..
  13. doi request reprint High glucose impairs acetylcholine-mediated vasodilation in isolated arteries from Mourning doves (Z. macroura)
    Catherine L Jarrett
    School of Nutrition and Health Promotion, Arizona State University, Phoenix, AZ, USA
    Comp Biochem Physiol A Mol Integr Physiol 201:141-5. 2016
    ..05). Therefore, isolated arteries from doves do not have endogenous mechanisms to prevent impaired vasodilation resulting from high glucose-mediated increases in oxidative stress. ..
  14. doi request reprint Chicken albumin exhibits natural resistance to glycation
    Jessica Zuck
    School of Nutrition and Health Promotion, Arizona State University, Phoenix, AZ, United States
    Comp Biochem Physiol B Biochem Mol Biol 203:108-114. 2017
    ..Further research is needed to characterize this inherent difference in an effort to elucidate mechanisms by which avian plasma protein is glycated to a lesser degree than that of mammals (humans)...
  15. ncbi request reprint Skeletal muscle fiber composition of the English sparrow (Passer domesticus)
    Jennifer Marquez
    Department of Physiology, Arizona Health Sciences Center, P O Box 245051, University of Arizona, Tucson, AZ, 85724 5051, USA
    Comp Biochem Physiol B Biochem Mol Biol 143:126-31. 2006
    ..2% fast oxidative, 54.8% fast nonoxidative) in 37.5% of samples. Whereas the gastrocnemius muscle fibers are heterogeneous (10% fast oxidative, 64% fast nonoxidative, 26% slow oxidative) in all muscles examined...