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    Joyce M. Richey, PhD

    AddressCSC 213, 2250 Alcazar Street
    Health Sciences Campus
    Los Angeles California 90033
    Phone+1 323 442 1939
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      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.

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      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 J, Woolcott O. Re-visiting the Endocannabinoid System and Its Therapeutic Potential in Obesity and Associated Diseases. Curr Diab Rep. 2017 Sep 14; 17(10):99. PMID: 28913816.
        View in: PubMed
      2. Kabir M, Iyer MS, Richey J, 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 J, 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 J, 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 J, 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 J, 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; PMCID: PMC4340767.
      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 J, 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 J, 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 J, 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 J. 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 J. 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 J, 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; PMCID: PMC4423806.
      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 J. 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 J, 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; PMCID: PMC3068147.
      16. Spruijt-Metz D, Adar Emken B, Spruijt MR, Richey J, 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 J, 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 J, 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 J, 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 J, 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.
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      22. Bergman RN, Kim SP, Hsu IR, Catalano KJ, Chiu JD, Kabir M, Richey J, 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.
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      23. Kim SP, Catalano KJ, Hsu IR, Chiu JD, Richey J, 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.
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      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.
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      25. Ader M, Kim SP, Catalano KJ, Ionut V, Hucking K, Richey J, 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.
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      26. Richey J, Ader M, Moore D, Bergman RN. Angiotensin II induces insulin resistance independent of changes in interstitial insulin. Am J Physiol. 1999 Nov; 277(5 Pt 1):E920-6. PMID: 10567021.
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      27. Si X, Webb RC, Richey J. Bezafibrate, an anti-hypertriglyceridemic drug, attenuates vascular hyperresponsiveness and elevated blood pressure in fructose-induced hypertensive rats. Can J Physiol Pharmacol. 1999 Oct; 77(10):755-62. PMID: 10588479.
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      28. Melander A, Olsson J, Lindberg G, Salzman A, Howard T, Stang P, Lydick E, Emslie-Smith A, Boyle DI, Evans JM, Macdonald TM, Bain J, Sullivan F, Juhl C, Pørksen N, Sturis J, Hollingdal M, Pincus S, Veldhuis J, Dejgaard A, Schmitz O, Kristensen JS, Frandsen KB, Bayer T, Müller P, Dunning BE, Paladini S, Gutierrez C, Deacon R, Valentin M, Grunberger G, Weston WM, Patwardhan R, Rappaport EB, Sargeant LA, Wareham NJ, Khaw KT, Zethelius B, Lithell H, Hales CN, Berne C, Lakka HM, Oksanen L, Tuomainen TP, Kontula K, Salonen JT, Dekker JM, de Boks P, de Vegt F, Stehouwer CD, Nijpels G, Bouter LM, Heine RJ, Bruno G, Cavallo-Perin P, Bargero G, D'Errico N, Borra M, Macchia G, Pagano G, Newton RW, Ruta DA, New JP, Wallace C, Roxburgh MA, Young RJ, Vaughan NJ, Elliott P, Brennan G, Devers M, MacAlpine R, Steinke D, Lawson DH, Decallonne B, Casteels K, Gysemans C, Bouillon R, Mathieu C, Linn T, Strate C, Schneider K, Funda DP, Jirsa M, Kozáková H, Kaas A, Kofronová O, Tlaskalová-Hogenová H, Buschard K, Wanka H, Hartmann A, Kuttler B, Rasmussen SB, Sørensen TS, Markholst H, Petersen JS, Karounos D, Dyrberg T, Mabley JG, Haskó G, Szabó C, Seissler J, Nguyen TB, Steinbrenner H, Scherbaum WA, Cipriani R, Gabriele A, Sensi M, Guidobaldi L, Pantellini F, Cerrito MG, Scarpa S, Di Mario U, Morano S, Ceolotto G, Iori E, Baritono E, Del Prato S, Semplicini A, Trevisan R, Zerbini G, Meregalli G, Asnaghi V, Tentori F, Maestroni A, Mangili R, Marescotti C, Vedovato M, Tiengo A, Tadjieva J, Mankovsky BN, Van Aken S, Raes A, Vande Walle J, Matthys D, Craen M, Hansen HP, Lund SS, Rossing P, Jensen T, Parving HH, Andersen S, Tarnow L, Hansen BV, Trautner C, Haastert B, Ennenbach N, Willich S, Tabák ÁG, Orchard TJ, Spranger J, Preissner KT, Schatz H, Pfeiffer A, Cantón A, Burgos R, Hernández C, Lecube A, Mesa J, Segura RM, Mateo C, Simó R, Fathallah L, Greene DA, Obrosova I, Gilbert RE, Kelly DJ, Cox AJ, Berka-Wilkinson JL, Taylor HR, Panagiotopoulos S, Lee V, Jerums G, Cooper ME, Hitman GA, Aganna E, Ogunkolade WB, Rema M, Deepa R, Shanthi-Rani CS, Barakat K, Kumarajeewa TR, Cassell PG, McDermott MF, Mohan V, Ways K, Bursell S, Devries T, Woodworth J, Alatorre C, King G, Aiello LP, Karisen AE, Pavlovic D, Nielsen K, Jensen J, Andersen HU, Pociot F, Mandrup-Poulsen T, Eizirik DL, Nerup J, Lortz S, Tiedge M, Lenzen S, Lally FJ, Bone AJ, Darville MI, Ho YS, Sternesjö J, Sandler S, Chen MC, Schuit F, Pipeleers DG, Merezak S, Hardikar A, Hoet JJ, Remacle C, Reusens B, Bréant B, Garofano A, Czernichow P, Kubota N, Terauchi Y, Miki H, Tamemoto H, Yamauchi T, Nakano R, Komeda K, Eto K, Tobe K, Kimura S, Kadowaki T, Ide T, Murakami K, Tsunoda M, Mochizuki T, Ozanne SE, Nave BT, Wang CL, Dorling MW, Petry CJ, Koopmans SJ, van der Bent C, Que I, Radder JK, Sebokova E, Sana AK, Klimes I, Ruderman N, Morviducci L, Pastore L, Morelli S, Sagratella E, Zorretta D, Buongiomo A, Tamburrano G, Giaccari A, Martinenghi S, De Angelis GC, Ravasi F, Bifari F, Bordignon C, Falqui L, Kessler A, Dransfeld O, Sasson S, Tomas E, Zorzano A, Eckel J, Thorsby P, Rosenfalck AM, Kjems L, Hanssen KF, Madsbad S, Birkeland KI, Hamilton-Wessler M, Markussen J, Bergman RN, Melki V, Hanaire-Broutin H, Bessières-Lacombe S, Tauber JP, Home PD, Lindholm A, Riis A, Rosenstock J, Schwartz S, Clark C, Edwards M, Donley D, Swift P, Mortensen HB, Lynggaard H, Hougaard P, Cull CA, Neil HA, Frighi V, Manley SE, Holman RR, Turner RC, Steiner G, Davis WA, Weeraratna T, Bruce DG, Davis TM, Vergès B, Duvillard L, Pont F, Florentin E, Gambert P, Benko B, Ljubic S, Turk Z, Granic M, März W, Wollschläger H, Klein G, Neiss A, Wehling M, Huxtable SJ, Saker PJ, Walker M, Frayling TM, Levy JC, O'Rahilly S, Hattersley AT, McCarthy MI, Orecchio A, Giacchini A, Dominici R, Canettieri G, Trinti B, Zani M, Andreoli M, Sciacchitano S, de Silva AM, Whitecross K, Pasco J, Kotowicz M, Nicholson G, Zimmet P, Boyko EJ, Collier GR, Frittitta L, Pizzuti A, Argiolas A, Graci S, Goldfine ID, Bozzali M, Ercolino T, et al. 35th Annual Meeting of the European Association for the Study of Diabetes : Brussels, Belgium, 28 September-2 October 1999. Diabetologia. 1999 Aug; 42(Suppl 1):A1-A330. PMID: 27770183.
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      29. Richey J, Poulin RA, Buchanan TA, Galperin E, Moore DM, Bergman RN. Failure of acute hyperinsulinemia to alter blood pressure is not due to baroreceptor feedback. Am J Hypertens. 1999 Apr; 12(4 Pt 1):405-13. PMID: 10232501.
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      30. Ader M, Richey J, Bergman RN. Evidence for direct action of alloxan to induce insulin resistance at the cellular level. Diabetologia. 1998 Nov; 41(11):1327-36. PMID: 9833941.
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      31. Goud C, Pitt B, Webb RC, Richey J. Synergistic actions of insulin and troglitazone on contractility in endothelium-denuded rat aortic rings. Am J Physiol. 1998 Nov; 275(5 Pt 1):E882-7. PMID: 9815009.
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      32. Steil GM, Richey J, Kim JK, Wi JK, Rebrin K, Bergman RN, Youn JH. Extracellular glucose distribution is not altered by insulin: analysis of plasma and interstitial L-glucose kinetics. Am J Physiol. 1996 Nov; 271(5 Pt 1):E855-64. PMID: 8944672.
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