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Richard George Barbers, MD

Title(s)Professor of Clinical Medicine
Phone+1 323 409 7184
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    Collapse Biography 
    Collapse Awards and Honors
    USC, Division of Pulmonary, Critical Care and Sleep Medicine2009Teacher of the Year
    American College of PhysiciansFellow
    American Academy of Allergy and ImmunologyFellow
    American College of Chest PhysiciansFellow
    American Thoracic Society2019Fellow

    Collapse Overview 
    Collapse Overview
    Dr. Barbers' clinical interests include asthma, lung transplantation, allergy and clinical immunology and cough. Dr. Barbers also performs bronchial thermoplasty in selected asthma patients as well as noninvasive endobrochial valves insertion in selected COPD patients. His research interests include role of innate and adaptive immune mechanisms in severe asthma and airway remodeling. He is also examining the role of autophagy (repair and regeneration of cells) in asthma.

    Dr. Barbers earned his medical degree from Georgetown University. He then went on to complete two fellowships, one in Clinical Immunology and Allergy, and the other in Pulmonary Disease both at UCLA. After teaching and practicing medicine at UCLA and the University of Massachusetts, Dr. Barbers joined the Keck School of Medicine faculty in 1990. Dr. Barbers’ teaching subjects include lung transplantation and asthma and he has published and lectured extensively in these areas.

    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. Law N, Hamandi B, Fegbeutel C, Silveira FP, Verschuuren EA, Ussetti P, Chin-Hong PV, Sole A, Holmes-Liew CL, Billaud EM, Grossi PA, Manuel O, Levine DJ, Barbers RG, Hadjiliadis D, Younus M, Aram J, Chaparro C, Singer LG, Husain S. Lack of association of Aspergillus colonization with the development of bronchiolitis obliterans syndrome in lung transplant recipients: An international cohort study. J Heart Lung Transplant. 2019 Jun 19. PMID: 31300191.
      View in: PubMed
    2. Cohen BE, Krivitskiy I, Bui S, Forrester K, Kahn J, Barbers R, Ngo B. Comparison of Skin Cancer Incidence in Caucasian and Non-Caucasian Liver Vs. Lung Transplant Recipients: A Tale of Two Regimens. Clin Drug Investig. 2019 Feb; 39(2):197-203. PMID: 30471069.
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    3. Aguilar CA, Hamandi B, Fegbeutel C, Silveira FP, Verschuuren EA, Ussetti P, Chin-Hong PV, Sole A, Holmes-Liew C, Billaud EM, Grossi PA, Manuel O, Levine DJ, Barbers RG, Hadjiliadis D, Singer LG, Husain S. Clinical risk factors for invasive aspergillosis in lung transplant recipients: Results of an international cohort study. J Heart Lung Transplant. 2018 Oct; 37(10):1226-1234. PMID: 30139546.
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    4. Gelb AF, Yamamoto A, Verbeken EK, Schein MJ, Moridzadeh R, Tran D, Fraser C, Barbers R, Elatre W, Koss MN, Glassy EF, Nadel JA. Further Studies of Unsuspected Emphysema in Nonsmoking Patients With Asthma With Persistent Expiratory Airflow Obstruction. Chest. 2018 Mar; 153(3):618-629. PMID: 29197547.
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    5. Hamandi B, Fegbeutel C, Silveira FP, Verschuuren EA, Younus M, Mo J, Yan J, Ussetti P, Chin-Hong PV, Solé A, Holmes-Liew CL, Billaud EM, Grossi PA, Manuel O, Levine DJ, Barbers RG, Hadjiliadis D, Aram J, Singer LG, Husain S. Voriconazole and squamous cell carcinoma after lung transplantation: A multicenter study. Am J Transplant. 2018 01; 18(1):113-124. PMID: 28898527.
      View in: PubMed
    6. Suzuki Y, Maazi H, Sankaranarayanan I, Lam J, Khoo B, Soroosh P, Barbers RG, James Ou JH, Jung JU, Akbari O. Lack of autophagy induces steroid-resistant airway inflammation. J Allergy Clin Immunol. 2016 05; 137(5):1382-1389.e9. PMID: 26589586.
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    7. Wechsler ME, Laviolette M, Rubin AS, Fiterman J, Lapa e Silva JR, Shah PL, Fiss E, Olivenstein R, Thomson NC, Niven RM, Pavord ID, Simoff M, Hales JB, McEvoy C, Slebos DJ, Holmes M, Phillips MJ, Erzurum SC, Hanania NA, Sumino K, Kraft M, Cox G, Sterman DH, Hogarth K, Kline JN, Mansur AH, Louie BE, Leeds WM, Barbers RG, Austin JH, Shargill NS, Quiring J, Armstrong B, Castro M. Bronchial thermoplasty: Long-term safety and effectiveness in patients with severe persistent asthma. J Allergy Clin Immunol. 2013 Dec; 132(6):1295-302. PMID: 23998657.
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    8. McLaughlin JM, Equils O, Somerville KT, Aram JA, Schlamm HT, Welch VL, Mardekian J, Barbers RG. Risk-adjusted relationship between voriconazole utilization and non-melanoma skin cancer among lung and heart/lung transplant patients. Transpl Infect Dis. 2013 Aug; 15(4):329-43. PMID: 23489832.
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    9. Barbers RG, Papanikolaou IC, Koss MN, Patel A, Katagihara E, Arenas M, Chan K, Azen CG, Sharma OP. Near fatal asthma: clinical and airway biopsy characteristics. Pulm Med. 2012; 2012:829608. PMID: 22448330.
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    10. Fong TL, Cho YW, Hou L, Hutchinson IV, Barbers RG, Herrington CS. Outcomes after lung transplantation and practices of lung transplant programs in the United States regarding hepatitis C seropositive recipients. Transplantation. 2011 Jun 15; 91(11):1293-6. PMID: 21516068.
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    11. Afshar K, Cunningham MJ, Barbers RG, McFadden PM. Pericardial constriction after lung transplantation. Ann Thorac Surg. 2010 Oct; 90(4):1361-3. PMID: 20868850.
      View in: PubMed
    12. Castro M, Rubin AS, Laviolette M, Fiterman J, De Andrade Lima M, Shah PL, Fiss E, Olivenstein R, Thomson NC, Niven RM, Pavord ID, Simoff M, Duhamel DR, McEvoy C, Barbers R, Ten Hacken NH, Wechsler ME, Holmes M, Phillips MJ, Erzurum S, Lunn W, Israel E, Jarjour N, Kraft M, Shargill NS, Quiring J, Berry SM, Cox G. Effectiveness and safety of bronchial thermoplasty in the treatment of severe asthma: a multicenter, randomized, double-blind, sham-controlled clinical trial. Am J Respir Crit Care Med. 2010 Jan 15; 181(2):116-24. PMID: 19815809.
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    13. Barbers RG. Back to the future. Asthma. Curr Opin Pulm Med. 2008 Jan; 14(1):1-2. PMID: 18043268.
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    14. Bowdish ME, Pessotto R, Barbers RG, Schenkel FA, Starnes VA, Barr ML. Long-term pulmonary function after living-donor lobar lung transplantation in adults. Ann Thorac Surg. 2005 Feb; 79(2):418-25. PMID: 15680807.
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    15. Bowdish ME, Barr ML, Schenkel FA, Woo MS, Bremner RM, Horn MV, Baker CJ, Barbers RG, Wells WJ, Starnes VA. A decade of living lobar lung transplantation: perioperative complications after 253 donor lobectomies. Am J Transplant. 2004 Aug; 4(8):1283-8. PMID: 15268729.
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    16. Starnes VA, Bowdish ME, Woo MS, Barbers RG, Schenkel FA, Horn MV, Pessotto R, Sievers EM, Baker CJ, Cohen RG, Bremner RM, Wells WJ, Barr ML. A decade of living lobar lung transplantation: recipient outcomes. J Thorac Cardiovasc Surg. 2004 Jan; 127(1):114-22. PMID: 14752421.
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    17. Cho SH, Yao Z, Wang SW, Alban RF, Barbers RG, French SW, Oh CK. Regulation of activin A expression in mast cells and asthma: its effect on the proliferation of human airway smooth muscle cells. J Immunol. 2003 Apr 15; 170(8):4045-52. PMID: 12682233.
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    18. Barr ML, Baker CJ, Schenkel FA, Bowdish ME, Bremner RM, Cohen RG, Barbers RG, Woo MS, Horn MV, Wells WJ, Starnes VA. Living donor lung transplantation: selection, technique, and outcome. Transplant Proc. 2001 Nov-Dec; 33(7-8):3527-32. PMID: 11750504.
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    19. Barbers R. Asthma in Y2K and beyond. Curr Opin Pulm Med. 2000 Jan; 6(1):1-3. PMID: 10608417.
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    20. Pitulle C, Citron DM, Bochner B, Barbers R, Appleman MD. Novel bacterium isolated from a lung transplant patient with cystic fibrosis. J Clin Microbiol. 1999 Dec; 37(12):3851-5. PMID: 10565895.
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    21. Shapiro BJ, Veeraraghavan S, Barbers RG. Lung transplantation for cystic fibrosis: an update and practical considerations for referring candidates. Curr Opin Pulm Med. 1999 Nov; 5(6):365-70. PMID: 10570738.
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    22. Miller TP, Barbers RG. Management of the severe asthmatic. Curr Opin Pulm Med. 1999 Jan; 5(1):58-62. PMID: 10813251.
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    23. Barr ML, Schenkel FA, Cohen RG, Barbers RG, Fuller CB, Hagen JA, Wells WJ, Starnes VA. Recipient and donor outcomes in living related and unrelated lobar transplantation. Transplant Proc. 1998 Aug; 30(5):2261-3. PMID: 9723463.
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    24. Barbers RG. Cystic fibrosis: bilateral living lobar versus cadaveric lung transplantation. Am J Med Sci. 1998 Mar; 315(3):155-60. PMID: 9519928.
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    25. Kiatboonsri C, Resnick SC, Chan KM, Barbers RG, Marboe CC, Khonsary A, Santiago SM, Sharma OP. The detection of recurrent sarcoidosis by FDG-PET in a lung transplant recipient. West J Med. 1998 Feb; 168(2):130-2. PMID: 9499753.
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    26. Barbers R. Costs associated with asthma treatment. Curr Opin Pulm Med. 1998 Jan; 4(1):1-3. PMID: 9526897.
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    27. Hananel JI, Barbers RG. Critical care management of the asthmatic patient. Curr Opin Pulm Med. 1998 Jan; 4(1):4-8. PMID: 9526898.
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    28. Barbers RG. Role of transplantation (lung, liver, and heart) in sarcoidosis. Clin Chest Med. 1997 Dec; 18(4):865-74. PMID: 9413664.
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    29. Barbers RG. Newer therapeutic interventions for pulmonary transplant rejection. Curr Opin Pulm Med. 1997 Sep; 3(5):366-71. PMID: 9331539.
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    30. Iwata H, Barr ML, Cicciarelli JC, Iwaki Y, Schenkel FA, Fein H, Chan KM, Barbers RG, Starnes VA, Marboe CC. Living donor lobar lung transplants and HLA matching: a preliminary report. Transplant Proc. 1997 Feb-Mar; 29(1-2):1418-9. PMID: 9123362.
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    31. Barr ML, Schenkel FA, Cohen RG, Chan KM, Marboe CC, Hagen JA, Barbers RG, Starnes VA. Bilateral lobar transplantation utilizing living related donors. Artif Organs. 1996 Oct; 20(10):1110-1. PMID: 8896729.
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    32. Chan KM, Barbers RG. Advances in lung transplantation. West J Med. 1996 May; 164(5):439-40. PMID: 8686302.
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    33. Shapiro BJ, Chan KM, Barbers RG, Starnes VA. Whole-lung vs lobe transplantation for adults. Arch Intern Med. 1996 Apr 22; 156(8):908. PMID: 8774210.
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    34. Barbers RG. Lung transplantation in interstitial lung disease. Curr Opin Pulm Med. 1995 Sep; 1(5):401-5. PMID: 9363102.
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    35. Barr ML, Schenkel FA, Cohen RG, Chan KM, Barbers RG, Marboe CC, Starnes VA. Living-related lobar transplantation: recipient outcome and early rejection patterns. Transplant Proc. 1995 Jun; 27(3):1995-6. PMID: 7792863.
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    36. Barbers RG, Niden AH. The technique of percutaneous transthoracic needle aspiration biopsy. J Crit Illn. 1994 Oct; 9(10):949-54. PMID: 10150696.
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    37. Wallace JM, Oishi JS, Barbers RG, Simmons MS, Tashkin DP. Lymphocytic subpopulation profiles in bronchoalveolar lavage fluid and peripheral blood from tobacco and marijuana smokers. Chest. 1994 Mar; 105(3):847-52. PMID: 7907538.
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    38. Barbers RG, Evans MJ, Gong H, Tashkin DP. Enhanced alveolar monocytic phagocyte (macrophage) proliferation in tobacco and marijuana smokers. Am Rev Respir Dis. 1991 May; 143(5 Pt 1):1092-5. PMID: 2024820.
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    39. Tashkin DP, Fligiel S, Wu TC, Gong H, Barbers RG, Coulson AH, Simmons MS, Beals TF. Effects of habitual use of marijuana and/or cocaine on the lung. NIDA Res Monogr. 1990; 99:63-87. PMID: 2267014.
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    40. Barbers RG, Abraham JL. Asbestosis occurring after brief inhalational exposure: usefulness of bronchoalveolar lavage in diagnosis. Br J Ind Med. 1989 Feb; 46(2):106-10. PMID: 2538140.
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    41. Barbers RG, Oishi J, Gong H, Baker S. Antibody-dependent cellular cytotoxicity mediated by lung macrophages: a comparison of two target cells. Respiration. 1989; 55(2):94-104. PMID: 2772417.
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    42. Wallace JM, Oishi JS, Barbers RG, Batra P, Aberle DR. Bronchoalveolar lavage cell and lymphocyte phenotype profiles in healthy asbestos-exposed shipyard workers. Am Rev Respir Dis. 1989 Jan; 139(1):33-8. PMID: 2912354.
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    43. Barbers RG, Oishi J, Gong H, Tashkin DP, Wallace JM, Baker SS. Chemotaxis of peripheral blood and lung leukocytes obtained from tobacco and marijuana smokers. J Psychoactive Drugs. 1988 Jan-Mar; 20(1):15-20. PMID: 3392628.
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    44. Wallace JM, Tashkin DP, Oishi JS, Barbers RG. Peripheral blood lymphocyte subpopulations and mitogen responsiveness in tobacco and marijuana smokers. J Psychoactive Drugs. 1988 Jan-Mar; 20(1):9-14. PMID: 3392635.
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    45. Reichel H, Koeffler HP, Barbers R, Norman AW. Regulation of 1,25-dihydroxyvitamin D3 production by cultured alveolar macrophages from normal human donors and from patients with pulmonary sarcoidosis. J Clin Endocrinol Metab. 1987 Dec; 65(6):1201-9. PMID: 3119653.
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    46. Gong H, Fligiel S, Tashkin DP, Barbers RG. Tracheobronchial changes in habitual, heavy smokers of marijuana with and without tobacco. Am Rev Respir Dis. 1987 Jul; 136(1):142-9. PMID: 3496818.
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    47. Barbers RG, Gong H, Tashkin DP, Oishi J, Wallace JM. Differential examination of bronchoalveolar lavage cells in tobacco cigarette and marijuana smokers. Am Rev Respir Dis. 1987 Jun; 135(6):1271-5. PMID: 3592403.
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    48. Barbers RG, Oishi J. Effects of in vitro asbestos exposure on natural killer and antibody-dependent cellular cytotoxicity. Environ Res. 1987 Jun; 43(1):217-26. PMID: 3034562.
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    49. Flick GR, Barbers RG, Gong H. Bedside bronchoalveolar lavage for the diagnosis of Pneumocystis carinii pneumonia in patients with the acquired immunodeficiency syndrome. AIDS Res. 1986 Feb; 2(1):31-41. PMID: 3487328.
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    50. Wallace JM, Barbers RG, Oishi JS, Prince H. Cellular and T-lymphocyte subpopulation profiles in bronchoalveolar lavage fluid from patients with acquired immunodeficiency syndrome and pneumonitis. Am Rev Respir Dis. 1984 Nov; 130(5):786-90. PMID: 6093655.
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    51. Barbers RG, Shih WW, Saxon A. In vitro depression of human lymphocyte mitogen response (phytohaemagglutinin) by asbestos fibres. Clin Exp Immunol. 1982 Jun; 48(3):602-10. PMID: 7116687.
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