Joyce M. Richey, PhD

Title(s)Associate Professor of Clinical Physiology & Neuroscience
SchoolKeck School of Medicine of USC
Phone+1 323 442 1939
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    Other Positions
    Title(s)Associate Dean For Diversity and Inclusion (Education)

    Title(s)Chief Diversity officer

    Collapse Overview 
    Collapse Overview
    Dr. Richey is currently a faculty member in the department of Physiology and Biophysics at Keck School of Medicine of USC and a member of the diabetes and obesity research groups. Dr. Richey conducts research examining the relationship between diabetes, obesity and hypertension.

    She has received research grants from the National Institute of Digestive, Diabetes and Kidney Disorders; National Institute of Heart, Lung and Blood; American Heart Association and the American Diabetes Association. Her research has resulted in publications in peer-reviewed medical journals. She is the immediate past president of the Los Leadership Council of the American Diabetes Association; chairperson of the Los Angeles African American Diabetes Task Force; and a peer grant reviewer for the Western and National Affiliates of the American Heart Association.

    Collapse Research 
    Collapse Research Activities and Funding
    Summer Program in Diabetes and Obesity Research (SPIDOR)
    NIH/NIDDK R25DK112738Aug 22, 2017 - Apr 30, 2022
    Role: Principal Investigator

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Richey JM, Woolcott O. Re-visiting the Endocannabinoid System and Its Therapeutic Potential in Obesity and Associated Diseases. Curr Diab Rep. 2017 09 14; 17(10):99. PMID: 28913816.
      View in: PubMed
    2. Kabir M, Iyer MS, Richey JM, Woolcott OO, Asare Bediako I, Wu Q, Kim SP, Stefanovski D, Kolka CM, Hsu IR, Catalano KJ, Chiu JD, Ionut V, Bergman RN. CB1R antagonist increases hepatic insulin clearance in fat-fed dogs likely via upregulation of liver adiponectin receptors. Am J Physiol Endocrinol Metab. 2015 Oct 15; 309(8):E747-58. PMID: 26306598; PMCID: PMC4609878 [Available on 10/15/16].
    3. Woolcott OO, Richey JM, Kabir M, Chow RH, Iyer MS, Kirkman EL, Stefanovski D, Lottati M, Kim SP, Harrison LN, Ionut V, Zheng D, Hsu IR, Catalano KJ, Chiu JD, Bradshaw H, Wu Q, Kolka CM, Bergman RN. Corrections: High-Fat Diet-Induced Insulin Resistance does not Increase Plasma Anandamide Levels or Potentiate Anandamide Insulinotropic Effect in Isolated Canine Islets. PLoS One. 2015; 10(6):e0131033. PMID: 26075612; PMCID: PMC4468268.
    4. Woolcott OO, Richey JM, Kabir M, Chow RH, Iyer MS, Kirkman EL, Stefanovski D, Lottati M, Kim SP, Harrison LN, Ionut V, Zheng D, Hsu IR, Catalano KJ, Chiu JD, Bradshaw H, Wu Q, Kolka CM, Bergman RN. High-fat diet-induced insulin resistance does not increase plasma anandamide levels or potentiate anandamide insulinotropic effect in isolated canine islets. PLoS One. 2015; 10(4):e0123558. PMID: 25855974; PMCID: PMC4391925.
    5. Kolka CM, Richey JM, Castro AV, Broussard JL, Ionut V, Bergman RN. Lipid-induced insulin resistance does not impair insulin access to skeletal muscle. Am J Physiol Endocrinol Metab. 2015 Jun 01; 308(11):E1001-9. PMID: 25852002; PMCID: PMC4451289.
    6. Alderete TL, Sattler FR, Richey JM, Allayee H, Mittelman SD, Sheng X, Tucci J, Gyllenhammer LE, Grant EG, Goran MI. Salsalate treatment improves glycemia without altering adipose tissue in nondiabetic obese hispanics. Obesity (Silver Spring). 2015 Mar; 23(3):543-51. PMID: 25644856.
      View in: PubMed
    7. Toledo-Corral CM, Alderete TL, Richey J, Sequeira P, Goran MI, Weigensberg MJ. Fasting, post-OGTT challenge, and nocturnal free fatty acids in prediabetic versus normal glucose tolerant overweight and obese Latino adolescents. Acta Diabetol. 2015 Apr; 52(2):277-84. PMID: 25109287; PMCID: PMC4324370.
    8. Ren J, Xiang AH, Trigo E, Takayanagi M, Beale E, Lawrence JM, Hartiala J, Richey JM, Allayee H, Buchanan TA, Watanabe RM. Genetic variation in MTNR1B is associated with gestational diabetes mellitus and contributes only to the absolute level of beta cell compensation in Mexican Americans. Diabetologia. 2014 Jul; 57(7):1391-9. PMID: 24728128; PMCID: PMC4117246.
    9. Ader M, Stefanovski D, Richey JM, Kim SP, Kolka CM, Ionut V, Kabir M, Bergman RN. Failure of homeostatic model assessment of insulin resistance to detect marked diet-induced insulin resistance in dogs. Diabetes. 2014 Jun; 63(6):1914-9. PMID: 24353184; PMCID: PMC4876683.
    10. Ader M, Stefanovski D, Kim SP, Richey JM, Ionut V, Catalano KJ, Hucking K, Ellmerer M, Van Citters G, Hsu IR, Chiu JD, Woolcott OO, Harrison LN, Zheng D, Lottati M, Kolka CM, Mooradian V, Dittmann J, Yae S, Liu H, Castro AV, Kabir M, Bergman RN. Hepatic insulin clearance is the primary determinant of insulin sensitivity in the normal dog. Obesity (Silver Spring). 2014 May; 22(5):1238-45. PMID: 24123967; PMCID: PMC3969862.
    11. Richey JM. The vascular endothelium, a benign restrictive barrier? NO! Role of nitric oxide in regulating insulin action. Diabetes. 2013 Dec; 62(12):4006-8. PMID: 24264403; PMCID: PMC3837049.
    12. Kim SP, Woolcott OO, Hsu IR, Stefanoski D, Harrison LN, Zheng D, Lottati M, Kolka C, Catalano KJ, Chiu JD, Kabir M, Ionut V, Bergman RN, Richey JM. CB(1) antagonism restores hepatic insulin sensitivity without normalization of adiposity in diet-induced obese dogs. Am J Physiol Endocrinol Metab. 2012 May 01; 302(10):E1261-8. PMID: 22374758; PMCID: PMC3361982.
    13. Woolcott OO, Bergman RN, Richey JM, Kirkman EL, Harrison LN, Ionut V, Lottati M, Zheng D, Hsu IR, Stefanovski D, Kabir M, Kim SP, Catalano KJ, Chiu JD, Chow RH. Simplified method to isolate highly pure canine pancreatic islets. Pancreas. 2012 Jan; 41(1):31-8. PMID: 21792087.
      View in: PubMed
    14. Kabir M, Stefanovski D, Hsu IR, Iyer M, Woolcott OO, Zheng D, Catalano KJ, Chiu JD, Kim SP, Harrison LN, Ionut V, Lottati M, Bergman RN, Richey JM. Large size cells in the visceral adipose depot predict insulin resistance in the canine model. Obesity (Silver Spring). 2011 Nov; 19(11):2121-9. PMID: 21836643; PMCID: PMC4423825.
    15. Stefanovski D, Richey JM, Woolcott O, Lottati M, Zheng D, Harrison LN, Ionut V, Kim SP, Hsu I, Bergman RN. Consistency of the disposition index in the face of diet induced insulin resistance: potential role of FFA. PLoS One. 2011 Mar 30; 6(3):e18134. PMID: 21479217.
      View in: PubMed
    16. Spruijt-Metz D, Adar Emken B, Spruijt MR, Richey JM, Berman LJ, Belcher BR, Hsu YW, McClain AD, Lane CJ, Weigensberg MJ. CRP is related to higher leptin levels in minority peripubertal females regardless of adiposity levels. Obesity (Silver Spring). 2012 Mar; 20(3):512-6. PMID: 21436796; PMCID: PMC3200494.
    17. Emken BA, Richey J, Belcher B, Hsu YW, Spruijt-Metz D. Objectively measured physical activity is negatively associated with plasma adiponectin levels in minority female youth. Int J Pediatr Endocrinol. 2010; 2010. PMID: 20827382; PMCID: PMC2935164.
    18. Chiu JD, Kolka CM, Richey JM, Harrison LN, Zuniga E, Kirkman EL, Bergman RN. Experimental hyperlipidemia dramatically reduces access of insulin to canine skeletal muscle. Obesity (Silver Spring). 2009 Aug; 17(8):1486-92. PMID: 19521354; PMCID: PMC3417110.
    19. Spruijt-Metz D, Belcher B, Anderson D, Lane CJ, Chou CP, Salter-Venzon D, Davis JN, Hsu YW, Neuhouser ML, Richey JM, McKenzie TL, McClain A, Goran MI, Weigensberg MJ. A high-sugar/low-fiber meal compared with a low-sugar/high-fiber meal leads to higher leptin and physical activity levels in overweight Latina females. J Am Diet Assoc. 2009 Jun; 109(6):1058-63. PMID: 19465188; PMCID: PMC2768570.
    20. Richey JM, Woolcott OO, Stefanovski D, Harrison LN, Zheng D, Lottati M, Hsu IR, Kim SP, Kabir M, Catalano KJ, Chiu JD, Ionut V, Kolka C, Mooradian V, Bergman RN. Rimonabant prevents additional accumulation of visceral and subcutaneous fat during high-fat feeding in dogs. Am J Physiol Endocrinol Metab. 2009 Jun; 296(6):E1311-8. PMID: 19366874; PMCID: PMC3833919.
    21. Chiu JD, Richey JM, Harrison LN, Zuniga E, Kolka CM, Kirkman E, Ellmerer M, Bergman RN. Direct administration of insulin into skeletal muscle reveals that the transport of insulin across the capillary endothelium limits the time course of insulin to activate glucose disposal. Diabetes. 2008 Apr; 57(4):828-35. PMID: 18223011.
      View in: PubMed
    22. Bergman RN, Kim SP, Hsu IR, Catalano KJ, Chiu JD, Kabir M, Richey JM, Ader M. Abdominal obesity: role in the pathophysiology of metabolic disease and cardiovascular risk. Am J Med. 2007 Feb; 120(2 Suppl 1):S3-8; discussion S29-32. PMID: 17296343.
      View in: PubMed
    23. Kim SP, Catalano KJ, Hsu IR, Chiu JD, Richey JM, Bergman RN. Nocturnal free fatty acids are uniquely elevated in the longitudinal development of diet-induced insulin resistance and hyperinsulinemia. Am J Physiol Endocrinol Metab. 2007 Jun; 292(6):E1590-8. PMID: 17264230.
      View in: PubMed
    24. Ellmerer M, Hamilton-Wessler M, Kim SP, Huecking K, Kirkman E, Chiu J, Richey J, Bergman RN. Reduced access to insulin-sensitive tissues in dogs with obesity secondary to increased fat intake. Diabetes. 2006 Jun; 55(6):1769-75. PMID: 16731841.
      View in: PubMed
    25. Ader M, Kim SP, Catalano KJ, Ionut V, Hucking K, Richey JM, Kabir M, Bergman RN. Metabolic dysregulation with atypical antipsychotics occurs in the absence of underlying disease: a placebo-controlled study of olanzapine and risperidone in dogs. Diabetes. 2005 Mar; 54(3):862-71. PMID: 15734866.
      View in: PubMed