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Robert Leonard Keith

TitleAssociate Professor
InstitutionUniversity of Colorado Denver - Anschutz Medical Campus
DepartmentSOM-MED
Phone303/315-7424

    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. New ML, White CM, McGonigle P, McArthur DG, Dwyer-Nield LD, Merrick DT, Keith RL, Tennis MA. Prostacyclin and EMT pathway markers for monitoring response to lung cancer chemoprevention. Cancer Prev Res (Phila). 2018 Jul 25. PMID: 30045935.
      View in: PubMed
    2. Merrick DT, Edwards MG, Franklin WA, Sugita M, Keith RL, Miller YE, Friedman MB, Dwyer-Nield LD, Tennis MA, O'Keefe MC, Donald EJ, Malloy JM, van Bokhoven A, Wilson S, Koch PJ, O'Shea C, Coldren C, Orlicky DJ, Lu X, Baron AE, Hickey G, Kennedy TC, Powell R, Heasley L, Bunn PA, Geraci M, Nemenoff RA. Altered cell-cycle control, inflammation and adhesion in high-risk persistent bronchial dysplasia. Cancer Res. 2018 Jul 11. PMID: 29997230.
      View in: PubMed
    3. Ghosh M, Miller YE, Nakachi I, Kwon JB, Barón AE, Brantley AE, Merrick DT, Franklin WA, Keith RL, Vandivier RW. Exhaustion of Airway Basal Progenitor Cells in Early and Established Chronic Obstructive Pulmonary Disease. Am J Respir Crit Care Med. 2018 Apr 01; 197(7):885-896. PMID: 29211494.
      View in: PubMed
    4. Li HY, McSharry M, Walker D, Johnson A, Kwak J, Bullock B, Neuwelt A, Poczobutt JM, Sippel TR, Keith RL, Weiser-Evans MCM, Clambey E, Nemenoff RA. Targeted overexpression of prostacyclin synthase inhibits lung tumor progression by recruiting CD4+ T lymphocytes in tumors that express MHC class II. Oncoimmunology. 2018; 7(5):e1423182. PMID: 29721380.
      View in: PubMed
    5. Dwyer-Nield L, Hickey GA, Friedman M, Choo K, McArthur DG, Tennis MA, New ML, Geraci M, Keith RL. The Second-Generation PGI2 Analogue Treprostinil Fails to Chemoprevent Tumors in a Murine Lung Adenocarcinoma Model. Cancer Prev Res (Phila). 2017 Nov; 10(11):671-679. PMID: 28851689.
      View in: PubMed
    6. Tennis MA, New ML, McArthur DG, Merrick DT, Dwyer-Nield LD, Keith RL. Prostacyclin reverses the cigarette smoke-induced decrease in pulmonary Frizzled 9 expression through miR-31. Sci Rep. 2016 06 24; 6:28519. PMID: 27339092.
      View in: PubMed
    7. Merrick DT, Gao D, Miller YE, Keith RL, Baron AE, Feser W, Kennedy TC, Blatchford PJ, Braudrick S, Hirsch FR, Heasley L, Bunn PA, Franklin WA. Persistence of Bronchial Dysplasia Is Associated with Development of Invasive Squamous Cell Carcinoma. Cancer Prev Res (Phila). 2016 Jan; 9(1):96-104. PMID: 26542061; PMCID: PMC4706769 [Available on 01/01/17].
      View in: PubMed, PubMed Central
    8. Ghosh M, Dwyer-Nield LD, Kwon JB, Barthel L, Janssen WJ, Merrick DT, Keith RL. Tracheal dysplasia precedes bronchial dysplasia in mouse model of N-nitroso trischloroethylurea induced squamous cell lung cancer. PLoS One. 2015; 10(4):e0122823. PMID: 25860262; PMCID: PMC4393296.
      View in: PubMed, PubMed Central
    9. Nakachi I, Rice JL, Coldren CD, Edwards MG, Stearman RS, Glidewell SC, Varella-Garcia M, Franklin WA, Keith RL, Lewis MT, Gao B, Merrick DT, Miller YE, Geraci MW. Application of SNP microarrays to the genome-wide analysis of chromosomal instability in premalignant airway lesions. Cancer Prev Res (Phila). 2014 Feb; 7(2):255-65. PMID: 24346345; PMCID: PMC3926809.
      View in: PubMed, PubMed Central
    10. Keith RL, Miller YE. Lung cancer chemoprevention: current status and future prospects. Nat Rev Clin Oncol. 2013 Jun; 10(6):334-43. PMID: 23689750; PMCID: PMC4687734.
      View in: PubMed, PubMed Central
    11. Szabo E, Mao JT, Lam S, Reid ME, Keith RL. Chemoprevention of lung cancer: Diagnosis and management of lung cancer, 3rd ed: American College of Chest Physicians evidence-based clinical practice guidelines. Chest. 2013 May; 143(5 Suppl):e40S-e60S. PMID: 23649449; PMCID: PMC3749715.
      View in: PubMed, PubMed Central
    12. Mascaux C, Feser WJ, Lewis MT, Barón AE, Coldren CD, Merrick DT, Kennedy TC, Eckelberger JI, Rozeboom LM, Franklin WA, Minna JD, Bunn PA, Miller YE, Keith RL, Hirsch FR. Endobronchial miRNAs as biomarkers in lung cancer chemoprevention. Cancer Prev Res (Phila). 2013 Feb; 6(2):100-8. PMID: 23268837; PMCID: PMC4159305.
      View in: PubMed, PubMed Central
    13. Keith RL. Lung cancer chemoprevention. Proc Am Thorac Soc. 2012 May; 9(2):52-6. PMID: 22550242; PMCID: PMC3359111.
      View in: PubMed, PubMed Central
    14. Geraci MW, Keith RL. Con: the case for expanded lung cancer research support. Am J Respir Crit Care Med. 2011 Dec 01; 184(11):1234-6. PMID: 22162887; PMCID: PMC3262044.
      View in: PubMed, PubMed Central
    15. Hudish TM, Opincariu LI, Mozer AB, Johnson MS, Cleaver TG, Malkoski SP, Merrick DT, Keith RL. N-nitroso-tris-chloroethylurea induces premalignant squamous dysplasia in mice. Cancer Prev Res (Phila). 2012 Feb; 5(2):283-9. PMID: 22086679; PMCID: PMC4461023.
      View in: PubMed, PubMed Central
    16. Keith RL, Blatchford PJ, Kittelson J, Minna JD, Kelly K, Massion PP, Franklin WA, Mao J, Wilson DO, Merrick DT, Hirsch FR, Kennedy TC, Bunn PA, Geraci MW, Miller YE. Oral iloprost improves endobronchial dysplasia in former smokers. Cancer Prev Res (Phila). 2011 Jun; 4(6):793-802. PMID: 21636546; PMCID: PMC3251330.
      View in: PubMed, PubMed Central
    17. Varella-Garcia M, Schulte AP, Wolf HJ, Feser WJ, Zeng C, Braudrick S, Yin X, Hirsch FR, Kennedy TC, Keith RL, Barón AE, Belinsky SA, Miller YE, Byers T, Franklin WA. The detection of chromosomal aneusomy by fluorescence in situ hybridization in sputum predicts lung cancer incidence. Cancer Prev Res (Phila). 2010 Apr; 3(4):447-53. PMID: 20332298; PMCID: PMC2939746.
      View in: PubMed, PubMed Central
    18. Tennis MA, Van Scoyk M, Heasley LE, Vandervest K, Weiser-Evans M, Freeman S, Keith RL, Simpson P, Nemenoff RA, Winn RA. Prostacyclin inhibits non-small cell lung cancer growth by a frizzled 9-dependent pathway that is blocked by secreted frizzled-related protein 1. Neoplasia. 2010 Mar; 12(3):244-53. PMID: 20234818; PMCID: PMC2838442.
      View in: PubMed, PubMed Central
    19. Keith RL, Karoor V, Mozer AB, Hudish TM, Le M, Miller YE. Chemoprevention of murine lung cancer by gefitinib in combination with prostacyclin synthase overexpression. Lung Cancer. 2010 Oct; 70(1):37-42. PMID: 20116128; PMCID: PMC3098617.
      View in: PubMed, PubMed Central
    20. Tennis MA, Vanscoyk M, Keith RL, Winn RA. The role of prostacyclin in lung cancer. Transl Res. 2010 Feb; 155(2):57-61. PMID: 20129485.
      View in: PubMed
    21. Kelly K, Kittelson J, Franklin WA, Kennedy TC, Klein CE, Keith RL, Dempsey EC, Lewis M, Jackson MK, Hirsch FR, Bunn PA, Miller YE. A randomized phase II chemoprevention trial of 13-CIS retinoic acid with or without alpha tocopherol or observation in subjects at high risk for lung cancer. Cancer Prev Res (Phila). 2009 May; 2(5):440-9. PMID: 19401528; PMCID: PMC3103211.
      View in: PubMed, PubMed Central
    22. Keith RL. Chemoprevention of lung cancer. Proc Am Thorac Soc. 2009 Apr 15; 6(2):187-93. PMID: 19349487; PMCID: PMC2674227.
      View in: PubMed, PubMed Central
    23. Richens TR, Linderman DJ, Horstmann SA, Lambert C, Xiao YQ, Keith RL, Boé DM, Morimoto K, Bowler RP, Day BJ, Janssen WJ, Henson PM, Vandivier RW. Cigarette smoke impairs clearance of apoptotic cells through oxidant-dependent activation of RhoA. Am J Respir Crit Care Med. 2009 Jun 01; 179(11):1011-21. PMID: 19264974; PMCID: PMC2689911.
      View in: PubMed, PubMed Central
    24. Edell E, Lam S, Pass H, Miller YE, Sutedja T, Kennedy T, Loewen G, Keith RL, Gazdar A. Detection and localization of intraepithelial neoplasia and invasive carcinoma using fluorescence-reflectance bronchoscopy: an international, multicenter clinical trial. J Thorac Oncol. 2009 Jan; 4(1):49-54. PMID: 19096306; PMCID: PMC2845524.
      View in: PubMed, PubMed Central
    25. Nemenoff R, Meyer AM, Hudish TM, Mozer AB, Snee A, Narumiya S, Stearman RS, Winn RA, Weiser-Evans M, Geraci MW, Keith RL. Prostacyclin prevents murine lung cancer independent of the membrane receptor by activation of peroxisomal proliferator--activated receptor gamma. Cancer Prev Res (Phila). 2008 Oct; 1(5):349-56. PMID: 19138979; PMCID: PMC2680197.
      View in: PubMed, PubMed Central
    26. Jonsson S, Varella-Garcia M, Miller YE, Wolf HJ, Byers T, Braudrick S, Kiatsimkul P, Lewis M, Kennedy TC, Keith RL, Bjornsson J, McWilliams A, Lam S, Hirsch FR, Franklin WA. Chromosomal aneusomy in bronchial high-grade lesions is associated with invasive lung cancer. Am J Respir Crit Care Med. 2008 Feb 01; 177(3):342-7. PMID: 17989344; PMCID: PMC2218849.
      View in: PubMed, PubMed Central
    27. Miller YE, Blatchford P, Hyun DS, Keith RL, Kennedy TC, Wolf H, Byers T, Bunn PA, Lewis MT, Franklin WA, Hirsch FR, Kittelson J. Bronchial epithelial Ki-67 index is related to histology, smoking, and gender, but not lung cancer or chronic obstructive pulmonary disease. Cancer Epidemiol Biomarkers Prev. 2007 Nov; 16(11):2425-31. PMID: 18006932.
      View in: PubMed
    28. Jett JR, Schild SE, Keith RL, Kesler KA. Treatment of non-small cell lung cancer, stage IIIB: ACCP evidence-based clinical practice guidelines (2nd edition). Chest. 2007 Sep; 132(3 Suppl):266S-276S. PMID: 17873173.
      View in: PubMed
    29. Varella-Garcia M, Chen L, Powell RL, Hirsch FR, Kennedy TC, Keith R, Miller YE, Mitchell JD, Franklin WA. Spectral karyotyping detects chromosome damage in bronchial cells of smokers and patients with cancer. Am J Respir Crit Care Med. 2007 Sep 01; 176(5):505-12. PMID: 17600274; PMCID: PMC1976541.
      View in: PubMed, PubMed Central
    30. Miller YE, Keith RL. Inhaled corticosteroids and lung cancer chemoprevention. Am J Respir Crit Care Med. 2007 Apr 01; 175(7):636-7. PMID: 17384324.
      View in: PubMed
    31. Nana-Sinkam SP, Lee JD, Sotto-Santiago S, Stearman RS, Keith RL, Choudhury Q, Cool C, Parr J, Moore MD, Bull TM, Voelkel NF, Geraci MW. Prostacyclin prevents pulmonary endothelial cell apoptosis induced by cigarette smoke. Am J Respir Crit Care Med. 2007 Apr 01; 175(7):676-85. PMID: 17255567; PMCID: PMC1899287.
      View in: PubMed, PubMed Central
    32. Keith RL, Geraci MW. Prostacyclin in lung cancer. J Thorac Oncol. 2006 Jul; 1(6):503-5. PMID: 17409908.
      View in: PubMed
    33. Keith RL, Geraci MW, Nana-Sinkam SP, Breyer RM, Hudish TM, Meyer AM, Malkinson AM, Dwyer-Nield LD. Prostaglandin E2 receptor subtype 2 (EP2) null mice are protected against murine lung tumorigenesis. Anticancer Res. 2006 Jul-Aug; 26(4B):2857-61. PMID: 16886605.
      View in: PubMed
    34. Miller YE, Vu KO, Kennedy TC, Hirsch FR, Petty TL, Bunn PA, Keith RL, Franklin WA, Wolf HJ, Prindiville S, Byers T. Lack of association between sputum atypia and chronic obstructive pulmonary disease mortality. J Thorac Oncol. 2006 May; 1(4):302-7. PMID: 17409874.
      View in: PubMed
    35. Merrick DT, Kittelson J, Winterhalder R, Kotantoulas G, Ingeberg S, Keith RL, Kennedy TC, Miller YE, Franklin WA, Hirsch FR. Analysis of c-ErbB1/epidermal growth factor receptor and c-ErbB2/HER-2 expression in bronchial dysplasia: evaluation of potential targets for chemoprevention of lung cancer. Clin Cancer Res. 2006 Apr 01; 12(7 Pt 1):2281-8. PMID: 16609045.
      View in: PubMed
    36. Meyer AM, Dwyer-Nield LD, Hurteau G, Keith RL, Ouyang Y, Freed BM, Kisley LR, Geraci MW, Bonventre JV, Nemenoff RA, Malkinson AM. Attenuation of the pulmonary inflammatory response following butylated hydroxytoluene treatment of cytosolic phospholipase A2 null mice. Am J Physiol Lung Cell Mol Physiol. 2006 Jun; 290(6):L1260-6. PMID: 16443645.
      View in: PubMed
    37. Mattar CS, Keith RL, Byrd RP, Roy TM. Septic pulmonary emboli due to periodontal disease. Respir Med. 2006 Aug; 100(8):1470-4. PMID: 16376534.
      View in: PubMed
    38. Lee JD, Taraseviciene-Stewart L, Keith R, Geraci MW, Voelkel NF. The expression of prostacyclin synthase is decreased in the small pulmonary arteries from patients with emphysema. Chest. 2005 Dec; 128(6 Suppl):575S. PMID: 16373836.
      View in: PubMed
    39. Stearman RS, Dwyer-Nield L, Zerbe L, Blaine SA, Chan Z, Bunn PA, Johnson GL, Hirsch FR, Merrick DT, Franklin WA, Baron AE, Keith RL, Nemenoff RA, Malkinson AM, Geraci MW. Analysis of orthologous gene expression between human pulmonary adenocarcinoma and a carcinogen-induced murine model. Am J Pathol. 2005 Dec; 167(6):1763-75. PMID: 16314486; PMCID: PMC1613183.
      View in: PubMed, PubMed Central
    40. Keith RL, Miller YE. Lung cancer: genetics of risk and advances in chemoprevention. Curr Opin Pulm Med. 2005 Jul; 11(4):265-71. PMID: 15928489.
      View in: PubMed
    41. Kennedy TC, Franklin WA, Prindiville SA, Cook R, Dempsey EC, Keith RL, Hirsch FR, Merrick TA, Shroyer KR, Petty TL, Byers T, Bunn PA, Miller YE. High prevalence of occult endobronchial malignancy in high risk patients with moderate sputum atypia. Lung Cancer. 2005 Aug; 49(2):187-91. PMID: 16022912.
      View in: PubMed
    42. Merrick DT, Haney J, Petrunich S, Sugita M, Miller YE, Keith RL, Kennedy TC, Franklin WA. Overexpression of vascular endothelial growth factor and its receptors in bronchial dypslasia demonstrated by quantitative RT-PCR analysis. Lung Cancer. 2005 Apr; 48(1):31-45. PMID: 15777969.
      View in: PubMed
    43. Keith RL, Miller YE, Hudish TM, Girod CE, Sotto-Santiago S, Franklin WA, Nemenoff RA, March TH, Nana-Sinkam SP, Geraci MW. Pulmonary prostacyclin synthase overexpression chemoprevents tobacco smoke lung carcinogenesis in mice. Cancer Res. 2004 Aug 15; 64(16):5897-904. PMID: 15313935.
      View in: PubMed
    44. Kennedy TC, Franklin WA, Prindiville SA, Cook R, Dempsey EC, Keith RL, Hirsch FR, Merrick TA, Shroyer KR, Petty TL, Byers T, Bunn PA, Miller YE. High prevalence of endobronchial malignancy in high-risk patients with moderate dysplasia in sputum. Chest. 2004 May; 125(5 Suppl):109S. PMID: 15136448.
      View in: PubMed
    45. Nana-Sinkam P, Golpon H, Keith RL, Oyer RJ, Sotto-Santiago S, Moore MD, Franklin W, Nemenoff RA, Geraci MW. Prostacyclin in human non-small cell lung cancers. Chest. 2004 May; 125(5 Suppl):141S. PMID: 15136467.
      View in: PubMed
    46. Meyer AM, Dwyer-Nield LD, Hurteau GJ, Keith RL, O'Leary E, You M, Bonventre JV, Nemenoff RA, Malkinson AM. Decreased lung tumorigenesis in mice genetically deficient in cytosolic phospholipase A2. Carcinogenesis. 2004 Aug; 25(8):1517-24. PMID: 15033900.
      View in: PubMed
    47. Varella-Garcia M, Kittelson J, Schulte AP, Vu KO, Wolf HJ, Zeng C, Hirsch FR, Byers T, Kennedy T, Miller YE, Keith RL, Franklin WA. Multi-target interphase fluorescence in situ hybridization assay increases sensitivity of sputum cytology as a predictor of lung cancer. Cancer Detect Prev. 2004; 28(4):244-51. PMID: 15350627.
      View in: PubMed
    48. Miller YE, Dwyer-Nield LD, Keith RL, Le M, Franklin WA, Malkinson AM. Induction of a high incidence of lung tumors in C57BL/6 mice with multiple ethyl carbamate injections. Cancer Lett. 2003 Aug 20; 198(2):139-44. PMID: 12957351.
      View in: PubMed
    49. Bull TM, Keith RL, Kraft M, Dempsy EC, Miller YE. Mycobacterium tuberculosis presenting as an infected pulmonary bulla. Int J Tuberc Lung Dis. 2003 May; 7(5):504. PMID: 12757057.
      View in: PubMed
    50. Hoshikawa Y, Nana-Sinkam P, Moore MD, Sotto-Santiago S, Phang T, Keith RL, Morris KG, Kondo T, Tuder RM, Voelkel NF, Geraci MW. Hypoxia induces different genes in the lungs of rats compared with mice. Physiol Genomics. 2003 Feb 06; 12(3):209-19. PMID: 12464684.
      View in: PubMed
    51. Garg K, Keith RL, Byers T, Kelly K, Kerzner AL, Lynch DA, Miller YE. Randomized controlled trial with low-dose spiral CT for lung cancer screening: feasibility study and preliminary results. Radiology. 2002 Nov; 225(2):506-10. PMID: 12409588.
      View in: PubMed
    52. Bunn PA, Keith RL. The future of cyclooxygenase-2 inhibitors and other inhibitors of the eicosanoid signal pathway in the prevention and therapy of lung cancer. Clin Lung Cancer. 2002 May; 3(4):271-7; discussion 278. PMID: 14662036.
      View in: PubMed
    53. Keith RL, Miller YE, Hoshikawa Y, Moore MD, Gesell TL, Gao B, Malkinson AM, Golpon HA, Nemenoff RA, Geraci MW. Manipulation of pulmonary prostacyclin synthase expression prevents murine lung cancer. Cancer Res. 2002 Feb 01; 62(3):734-40. PMID: 11830527.
      View in: PubMed
    54. Keith RL, Miller YE, Gemmill RM, Drabkin HA, Dempsey EC, Kennedy TC, Prindiville S, Franklin WA. Angiogenic squamous dysplasia in bronchi of individuals at high risk for lung cancer. Clin Cancer Res. 2000 May; 6(5):1616-25. PMID: 10815878.
      View in: PubMed
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