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Karen.Sweazea@asu.edu

Asst Professor
SNHP Nutrition
Faculty
Mail Code: 3020

LSC 552A 401 E. Tyler Mall (Map)
(480)965-6025

Bio

Karen Sweazea, PhD
Assistant Professor

Short Bio

Education

  • Postdoctorate – University of New Mexico, NM, 2008
    Vascular Physiology
  • PhD – University of Arizona, AZ, 2005
    Physiological Sciences
  • BS – University of Arizona, AZ, 1998
    Physiology
  • AA – El Camino Community College, CA, 1995
    General Studies

Recent Publications

  1. Wilkening JL, Ray C, Sweazea KL. (2013) Stress hormone concentrations in Rocky Mountain populations of the American pika (Ochotona princeps). Conservation Physiology. 1: 1-13. 
  2. Giraudeau M, Sweazea K, Butler M, McGraw KJ. (2013) Effects of carotenoid and vitamin E supplementation on oxidative stress and plumage coloration in house finches (Haemorhous mexicanus). Comparative Biochemistry and Physiology. 166A(3): 406-413. 
  3. Jarrett C, Lekic M, Smith CL, Pusec C, Sweazea KL. (2013) Mechanisms of acetylcholine-mediated vasodilation in systemic arteries from mourning doves (Zenaida macroura). Journal of Comparative Physiology - B. 183(7): 959-967.
  4. Sweazea KL and Braun EJ. (2013) Reciprocal inhibition of in vitro substrate movement into avian skeletal muscle. Zoology (Jena). 116(2): 85-89.
  5. Davies S, Rodriguez N, Sweazea KL, Deviche P. (2013) The effect of acute stress and long-term corticosteroid administration on plasma metabolites in an urban and desert songbird. Physiological and Biochemical Zoology. 86(1): 47-60.
  6. Fokidis HB, Burin des Roziers, Sparr R, Rogowski C, Sweazea KL, Deviche P. (2012) Unpredictable food availability induces metabolic and hormonal changes independent of food intake in a sedentery songbird. Journal of Experimental Biology. 215: 2920-2930.
  7. Kuzmiak S, Glancy B, Sweazea KL, Willis WT. (2012) Mitochondrial function in sparrow pectoralis muscle. Journal of Experimental Biology. 215:2039-2050.
  8. Sweazea KL and Walker BR. (2012) Impaired myogenic tone in mesenteric arteries from overweight rats. Nutrition and Metabolism. 9(1):18. 
  9. Fokidis HB, Hurley L, Rogowski C, Sweazea K, Deviche P. (2011) Effects of captivity and body condition on plasma corticosterone, locomotor behavior, and plasma metabolites in Curve-billed Thrashers. Physiological and Biochemical Zoology. 84(6): 595-606.
  10. Sweazea KL. Endocrine Physiology Teaching Laboratory. (2011) The American Physiological Society Archive of Teaching Resources.
  11. Smith CL, Toomey M, Walker BR, Braun EJ, Wolf BO, McGraw K, Sweazea KL. (2011) High levels of circulating antioxidants protect from the development of oxidative stress in the vasculature of mourning doves (Zenaida macroura). Zoology (Jena). 114: 171-176.
  12. Matyas ML, Lowy ME, Sweazea KL, Alvarez DF. (2011) Monitoring physiology trainee needs to focus professional society responses: The APS Trainee Needs Surveys. Advances in Physiology Education. 35: 168-177.
  13. Sweazea KL, Walker BR. (2011) High fat feeding impairs endothelin-1 mediated vasodilation through increased iNOS-derived nitric oxide and oxidative stress. Hormone and Metabolic Research. 43: 470-476.
  14. Sweazea KL, Kanagy NL, Walker BR. (2011) Oxidative impairment of endothelium-dependent vasodilation in high fat diet fed rats exposed to eucapnic intermittent hypoxia. Respiration. 81: 47-56.
  15. Sweazea KL, Lekic M, Walker BR. (2010) Comparison of mechanisms involved in impaired vascular reactivity between high sucrose and high fat diets in rats. Nutrition and Metabolism. 7:48.
  16. Sweazea KL and Walker BR. (2009) Antioxidant and vasodilatory effects of heme oxygenase on mesenteric vasoreactivity following chronic hypoxia. Microcirculation. 16(2): 131-141.
  17. Braun EJ and Sweazea KL. (2008) Invited review: Glucose regulation in birds. Comparative Biochemistry and Physiology. 151B: 1-9.
  18. Sweazea KL, McMurtry JP,Braun EJ. (2006) Inhibition of lipolysis does not affect insulin sensitivity to glucose uptake in the mourning dove. Comparative Biochemistry and Physiology. 144B(3): 387-394. 
  19. Sweazea KL and Braun EJ. (2006) Glucose transporter (GLUT) expression in English sparrows (Passer domesticus). Comparative Biochemistry Physiology. 144B(3): 263-270. 
  20. Sweazea KL and Braun EJ. (2006) Oleic acid uptake by in vitro English sparrow skeletal muscle. Journal of Experimental Zoology. 305A(3):268-276. 
  21. Marquez JM, Sweazea KL, Braun EJ. (2006) Skeletal muscle fiber composition of English sparrow (Passer domesticus). Comparative Biochemistry and Physiology. 143B:126-131. 
  22. Sweazea KL and Braun EJ. (2005) Glucose transport by English sparrow (Passer domesticus) skeletal muscle. Journal of Experimental Zoology. 303A:143-153.

Current/Recent Grants and Projects

  • Evaluation of the anti-aging properties of Product B (Principal Investigator; Co-PI: Carol Johnston, PhD (Nutrition Program)), Funded by Isagenix International, 2013-2014 
  • Potential therapeutic benefits of flaxseeds in the treatment of type 2 diabetes symptoms (Lead-Principal Investigator; PI: Kristin Ricklefs, Doctoral Student, PANW Program), Funded by Ameriflax, 2013-2014
  • Almond ingestion to reduce hemoglobin A1c in individuals with type 2 diabetes (Principal Investigator; Co-PI: Carol Johnston, PhD), Funded by The Almond Board of California, 2012-2013  
  • Putative cryoprotectant role of glucose in birds (Lead Investigator; Principal investigator: Krystal Tsosie, Master's Student (SoLS)), Funded by American Ornithologists' Union, 2011-2012
  • Effects of Obesity on Vascular Function in a Model of Sleep Apnea (Principal Investigator). Funded by the UNM School of Medicine, Cardiovascular and Metabolic Diseases Program, February-June 2007

Honors/Awards

  • Dale J Benos Early Career Professional Service Award, American Physiological Society, 2014
  • August Krogh Young Investigator Award, The Microcirculatory Society, 2008
  • Research Recognition Award, The American Physiological Society, Comparative and Evolutionary Physiology Section, 2006
  • Women in Science and Engineering (WISE) Travel Grant, 2004

Research Interests

The central focus of my research is to explore potentially protective mechanisms existing in mammalian and non-mammalian organisms against complications that can arise in diseases associated with being overweight or having high blood sugar levels.

Courses

Spring 2014

Courses Taught This Semester
Course Number Course Title
BIO 493 Honors Thesis
BIO 495 Undergraduate Research
HSC 320 Appl Medical/Healthcare Ethics
HSC 420 Eval Health Sci Res
HSC 493 Honors Thesis
HSC 494 Special Topics

Fall 2013

Courses Taught This Semester
Course Number Course Title
BIO 492 Honors Directed Study
BIO 495 Undergraduate Research
HSC 420 Eval Health Sci Res
HSC 492 Honors Directed Study
HSC 494 Special Topics

Summer 2013

Courses Taught This Semester
Course Number Course Title
HSC 320 Appl Medical/Healthcare Ethics

Spring 2013

Courses Taught This Semester
Course Number Course Title
BIO 495 Undergraduate Research
HSC 320 Appl Medical/Healthcare Ethics
HSC 420 Eval Health Sci Res
HSC 493 Honors Thesis
HSC 494 Special Topics

Fall 2012

Courses Taught This Semester
Course Number Course Title
BIO 495 Undergraduate Research
HSC 320 Appl Medical/Healthcare Ethics
HSC 420 Eval Health Sci Res
HSC 492 Honors Directed Study
HSC 494 Special Topics

Summer 2012

Courses Taught This Semester
Course Number Course Title
HSC 320 Appl Medical/Healthcare Ethics
HSC 420 Eval Health Sci Res

Spring 2012

Courses Taught This Semester
Course Number Course Title
HSC 320 Appl Medical/Healthcare Ethics
HSC 420 Eval Health Sci Res
HSC 494 Special Topics

Fall 2011

Courses Taught This Semester
Course Number Course Title
HSC 320 Appl Medical/Healthcare Ethics
HSC 420 Eval Health Sci Res
HSC 494 Special Topics

Spring 2011

Courses Taught This Semester
Course Number Course Title
HSC 320 Appl Medical/Healthcare Ethics
HSC 420 Eval Health Sci Res

Fall 2010

Courses Taught This Semester
Course Number Course Title
ABS 489 Undergraduate Research
ABS 493 Honors Thesis
ABS 499 Individualized Instruction
HSC 320 Appl Medical/Healthcare Ethics
HSC 420 Eval Health Sci Res
HSC 494 Special Topics

Summer 2010

Courses Taught This Semester
Course Number Course Title
ABS 499 Individualized Instruction

Spring 2010

Courses Taught This Semester
Course Number Course Title
ABS 489 Undergraduate Research
ABS 499 Individualized Instruction
BIO 202 Human Anatomy & Physiology II
NTR 394 Special Topics

Fall 2009

Courses Taught This Semester
Course Number Course Title
ABS 489 Undergraduate Research
ABS 493 Honors Thesis
ABS 499 Individualized Instruction

Summer 2009

Courses Taught This Semester
Course Number Course Title
ABS 492 Honors Directed Study
ABS 499 Individualized Instruction

Research Activity Research Awards

  1. Sweazea,Karen Leanna * . Potential Therapeutic Benefits of Flaxseeds in the Treatment of Type 2 Diabetes Symptoms. AMERIFLAX (1/1/2014 - 12/31/2014).
  2. Sweazea,Karen Leanna * Johnston,Carol S . Evaluation of the Anti-aging Properties of Product B. (8/1/2013 - 5/31/2014).
  3. Sweazea,Karen Leanna * Johnston,Carol S . Almond Ingestion to Reduce Hemoglobin A1C in Individuals with Type 2 Diabetes. Almond Board of CA (7/1/2012 - 12/31/2013).

* principal investigator

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