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Faculty Profiles

John Fahy, MD
M_MED-CORE-PULM
Professor

Core Campus, HSE
San Francisco, CA 94143
415-476-9940
[email protected]

I am a Professor of Medicine in the Division of Pulmonary and Critical Care Medicine and the Department of Medicine at UCSF. I direct a research program in asthma and other airway diseases that is human centered and focused on uncovering disease mechanisms and improving treatment.


MAJOR GOALS: (i) To define abnormalities in airway epithelial cell function that contribute to abnormal type 2 immune responses in asthma; (ii) To explore mechanisms of formation of pathologic mucus gels in the airway so that novel mucolytics can be developed; (iii) To explore the heterogeneity of molecular mechanisms in asthma to improve prospects for treatment approaches that are patient specific.


(i) ABNORMAL TYPE 2 IMMUNE RESPONSES IN HUMAN ASTHMA: The airway epithelium has emerged as an important regulator of innate and adaptive immune responses that result in type 2 allergic airway inflammation. My lab is specifically investigating epithelial mechanisms that contribute to upregulation of Th2 cytokines in the asthmatic airway. Our experimental approaches include gene and protein expression analysis of airway epithelial brushings, biopsies, and secretions, and cell culture studies in airway epithelial cells from human donors. We collaborate with multiple other UCSF labs, including the Locksley, Ansel, and Woodruff labs.


(ii) PATHOLOGIC MUCUS GELS: The formation of pathologic mucus is a feature of multiple lung diseases and has multiple consequences for lung health, including airflow obstruction and infections. My lab is investigating how pathologic mucus gels form. Our experimental approaches include detailed analyses of sputum samples using rheology-, imaging- and biochemistry-based approaches. We use the data from analysis of pathologic mucus to inform strategies for development of novel mucolytics. Important collaborators include Drs Stefan Oscarson and Stephen Carrington at University College Dublin.


(iii) HETEROGENEITY OF MOLECULAR MECHANISMS IN ASTHMA: Many asthmatics do not respond well to currently available treatments and one reason is that current medications assume a one size fits all approach. My lab is applying a variety of targeted and unbiased approaches to investigate disease mechanism in large numbers of asthmatics with a view to improving understanding of the range and frequency of disease mechanisms that underlie asthma. Our experimental approaches include detailed analysis of the differential expression of genes and proteins in airway biospecimens collected from highly characterized patients with asthma and healthy controls. We also simultaneously explore how simpler tests in blood might reveal specific disease mechanisms and serve as biomarkers for personalizing treatment. Our work in this area is done in collaboration with the Woodruff lab at UCSF and with investigators in the NIH Severe Asthma Research Program (SARP).

Education and Training

Location Degree or Training Specialty Date
University of California, San Francisco Residency School of Medicine

Related Web Sites

In the News

Recent Articles (102)

Ash SY, Rahaghi FN, Come CE, Ross JC, Colon AG, Cardet-Guisasola JC, Dunican EM, Bleecker ER, Castro M, Fahy JV, Fain SB, Gaston BM, Hoffman EA, Jarjour NN, Mauger DT, Wenzel SE, Levy BD, San Jose Estepar R, Israel E, Washko GR. Pruning of the Pulmonary Vasculature in Asthma: The SARP Cohort. Am J Respir Crit Care Med. 2018 Apr 19.

DeBoer MD, Phillips BR, Mauger DT, Zein J, Erzurum SC, Fitzpatrick AM, Gaston BM, Myers R, Ross KR, Chmiel J, Lee MJ, Fahy JV, Peters M, Ly NP, Wenzel SE, Fajt ML, Holguin F, Moore WC, Peters SP, Meyers D, Bleecker ER, Castro M, Coverstone AM, Bacharier LB, Jarjour NN, Sorkness RL, Ramratnam S, Irani AM, Israel E, Levy B, Phipatanakul W, Gaffin JM, Gerald Teague W. Effects of endogenous sex hormones on lung function and symptom control in adolescents with asthma. BMC Pulm Med. 2018 Apr 10; 18(1):58.

Ricklefs I, Barkas I, Duvall MG, Cernadas M, Grossman NL, Israel E, Bleecker ER, Castro M, Erzurum SC, Fahy JV, Gaston BM, Denlinger LC, Mauger DT, Wenzel SE, Comhair SA, Coverstone AM, Fajt ML, Hastie AT, Johansson MW, Peters MC, Phillips BR, Levy BD. ALX receptor ligands define a biochemical endotype for severe asthma. JCI Insight. 2018 Mar 22; 3(6).

Peters MC, Kerr S, Dunican EM, Woodruff PG, Fajt ML, Levy BD, Israel E, Phillips BR, Mauger DT, Comhair SA, Erzurum SC, Johansson MW, Jarjour NN, Coverstone AM, Castro M, Hastie AT, Bleecker ER, Wenzel SE, Fahy JV. Refractory Airway Type-2 Inflammation in a Large Subgroup of Asthmatics treated with Inhaled Corticosteroids. J Allergy Clin Immunol. 2018 Mar 07.

Lachowicz-Scroggins ME, Gordon ED, Wesolowska-Andersen A, Jackson ND, MacLeod HJ, Sharp LZ, Sun M, Seibold MA, Fahy JV. Cadherin-26 (CDH26) regulates airway epithelial cell cytoskeletal structure and polarity. Cell Discov. 2018; 4:7.

Dunican EM, Elicker BM, Gierada DS, Nagle SK, Schiebler ML, Newell JD, Raymond WW, Lachowicz-Scroggins ME, Di Maio S, Hoffman EA, Castro M, Fain SB, Jarjour NN, Israel E, Levy BD, Erzurum SC, Wenzel SE, Meyers DA, Bleecker ER, Phillips BR, Mauger DT, Gordon ED, Woodruff PG, Peters MC, Fahy JV. Mucus plugs in patients with asthma linked to eosinophilia and airflow obstruction. J Clin Invest. 2018 Mar 01; 128(3):997-1009.

Bhakta NR, Christenson SA, Nerella S, Solberg OD, Nguyen CP, Choy DF, Jung KL, Garudadri S, Bonser LR, Pollack JL, Zlock LT, Erle DJ, Langelier C, Derisi JL, Arron JR, Fahy JV, Woodruff PG. IFN-stimulated Gene Expression, Type 2 Inflammation, and Endoplasmic Reticulum Stress in Asthma. Am J Respir Crit Care Med. 2018 Feb 01; 197(3):313-324.

MacNee W, Fahy JV, Nicod LP, Kolls J. Purpose of the Conference: The 2017 Transatlantic Conference on Lung Diseases. Ann Am Thorac Soc. 2017 Nov; 14(Supplement_5):S313.

Wong-McGrath K, Denlinger LC, Bleecker ER, Castro M, Gaston B, Israel E, Jarjour NN, Mauger DT, Peters S, Phillips BR, Wenzel SE, Fahy JV, Peters MC. Internet-Based Monitoring in the Severe Asthma Research Program Identifies a Subgroup of Patients With Labile Asthma Control. Chest. 2018 Feb; 153(2):378-386.

Pavord ID, Beasley R, Agusti A, Anderson GP, Bel E, Brusselle G, Cullinan P, Custovic A, Ducharme FM, Fahy JV, Frey U, Gibson P, Heaney LG, Holt PG, Humbert M, Lloyd CM, Marks G, Martinez FD, Sly PD, von Mutius E, Wenzel S, Zar HJ, Bush A. After asthma: redefining airways diseases. Lancet. 2018 01 27; 391(10118):350-400.

Teague WG, Phillips BR, Fahy JV, Wenzel SE, Fitzpatrick AM, Moore WC, Hastie AT, Bleecker ER, Meyers DA, Peters SP, Castro M, Coverstone AM, Bacharier LB, Ly NP, Peters MC, Denlinger LC, Ramratnam S, Sorkness RL, Gaston BM, Erzurum SC, Comhair SAA, Myers RE, Zein J, DeBoer MD, Irani AM, Israel E, Levy B, Cardet JC, Phipatanakul W, Gaffin JM, Holguin F, Fajt ML, Aujla SJ, Mauger DT, Jarjour NN. Baseline Features of the Severe Asthma Research Program (SARP III) Cohort: Differences with Age. J Allergy Clin Immunol Pract. 2018 Mar - Apr; 6(2):545-554.e4.

Ricklefs I, Barkas I, Duvall MG, Cernadas M, Grossman NL, Israel E, Bleecker ER, Castro M, Erzurum SC, Fahy JV, Gaston BM, Denlinger LC, Mauger DT, Wenzel SE, Comhair SA, Coverstone AM, Fajt ML, Hastie AT, Johansson MW, Peters MC, Phillips BR, Levy BD. ALX receptor ligands define a biochemical endotype for severe asthma. JCI Insight. 2017 Jul 20; 2(14).

Dunican EM, Fahy JV. Asthma and corticosteroids: time for a more precise approach to treatment. Eur Respir J. 2017 Jun; 49(6).

Phipatanakul W, Mauger DT, Sorkness RL, Gaffin JM, Holguin F, Woodruff PG, Ly NP, Bacharier LB, Bhakta NR, Moore WC, Bleecker ER, Hastie AT, Meyers DA, Castro M, Fahy JV, Fitzpatrick AM, Gaston BM, Jarjour NN, Levy BD, Peters SP, Teague WG, Fajt M, Wenzel SE, Erzurum SC, Israel E. Effects of Age and Disease Severity on Systemic Corticosteroid Responses in Asthma. Am J Respir Crit Care Med. 2017 Jun 01; 195(11):1439-1448.

Duvall MG, Barnig C, Cernadas M, Ricklefs I, Krishnamoorthy N, Grossman NL, Bhakta NR, Fahy JV, Bleecker ER, Castro M, Erzurum SC, Gaston BM, Jarjour NN, Mauger DT, Wenzel SE, Comhair SA, Coverstone AM, Fajt ML, Hastie AT, Johansson MW, Peters MC, Phillips BR, Israel E, Levy BD. Natural killer cell-mediated inflammation resolution is disabled in severe asthma. Sci Immunol. 2017 Mar 10; 2(9).

Denlinger LC, Phillips BR, Ramratnam S, Ross K, Bhakta NR, Cardet JC, Castro M, Peters SP, Phipatanakul W, Aujla S, Bacharier LB, Bleecker ER, Comhair SA, Coverstone A, DeBoer M, Erzurum SC, Fain SB, Fajt M, Fitzpatrick AM, Gaffin J, Gaston B, Hastie AT, Hawkins GA, Holguin F, Irani AM, Israel E, Levy BD, Ly N, Meyers DA, Moore WC, Myers R, Opina MT, Peters MC, Schiebler ML, Sorkness RL, Teague WG, Wenzel SE, Woodruff PG, Mauger DT, Fahy JV, Jarjour NN. Inflammatory and Comorbid Features of Patients with Severe Asthma and Frequent Exacerbations. Am J Respir Crit Care Med. 2017 Feb 01; 195(3):302-313.

MacNee W, Fahy JV, Nicod LP, Kolls JK. Purpose of the Conference: 2016 Transatlantic Airway Conference. Ann Am Thorac Soc. 2016 Dec; 13(Supplement_5):S395.

Lachowicz-Scroggins ME, Yuan S, Kerr SC, Dunican EM, Yu M, Carrington SD, Fahy JV. Abnormalities in MUC5AC and MUC5B Protein in Airway Mucus in Asthma. Am J Respir Crit Care Med. 2016 11 15; 194(10):1296-1299.

Dickey BF, Fahy JV, Kesimer M, Boucher RC, Evans CM, Thornton D. Measuring Airway Mucin 2 in Patients with Severe Chronic Obstructive Pulmonary Disease with Bacterial Colonization. Ann Am Thorac Soc. 2016 Nov; 13(11):2103-2104.

Luyster FS, Strollo PJ, Holguin F, Castro M, Dunican EM, Fahy J, Gaston B, Israel E, Jarjour NN, Mauger DT, Moore WC, Wenzel SE. Association Between Insomnia and Asthma Burden in the Severe Asthma Research Program (SARP) III. Chest. 2016 Dec; 150(6):1242-1250.

Gordon ED, Palandra J, Wesolowska-Andersen A, Ringel L, Rios CL, Lachowicz-Scroggins ME, Sharp LZ, Everman JL, MacLeod HJ, Lee JW, Mason RJ, Matthay MA, Sheldon RT, Peters MC, Nocka KH, Fahy JV, Seibold MA. IL1RL1 asthma risk variants regulate airway type 2 inflammation. JCI Insight. 2016 Sep 08; 1(14):e87871.

Peters MC, Fahy JV. Metabolic consequences of obesity as an "outside in" mechanism of disease severity in asthma. Eur Respir J. 2016 Aug; 48(2):291-3.

Gordon ED, Simpson LJ, Rios CL, Ringel L, Lachowicz-Scroggins ME, Peters MC, Wesolowska-Andersen A, Gonzalez JR, MacLeod HJ, Christian LS, Yuan S, Barry L, Woodruff PG, Ansel KM, Nocka K, Seibold MA, Fahy JV. Alternative splicing of interleukin-33 and type 2 inflammation in asthma. Proc Natl Acad Sci U S A. 2016 08 02; 113(31):8765-70.

Peters MC, McGrath KW, Hawkins GA, Hastie AT, Levy BD, Israel E, Phillips BR, Mauger DT, Comhair SA, Erzurum SC, Johansson MW, Jarjour NN, Coverstone AM, Castro M, Holguin F, Wenzel SE, Woodruff PG, Bleecker ER, Fahy JV. Plasma interleukin-6 concentrations, metabolic dysfunction, and asthma severity: a cross-sectional analysis of two cohorts. Lancet Respir Med. 2016 07; 4(7):574-584.

Gordon ED, Locksley RM, Fahy JV. Cross-Talk between Epithelial Cells and Type 2 Immune Signaling. The Role of IL-25. Am J Respir Crit Care Med. 2016 05 01; 193(9):935-6.

Sweerus K, Lachowicz-Scroggins M, Gordon E, LaFemina M, Huang X, Parikh M, Kanegai C, Fahy JV, Frank JA. Claudin-18 deficiency is associated with airway epithelial barrier dysfunction and asthma. J Allergy Clin Immunol. 2017 Jan; 139(1):72-81.e1.

Kerr SC, Fischer GJ, Sinha M, McCabe O, Palmer JM, Choera T, Lim FY, Wimmerova M, Carrington SD, Yuan S, Lowell CA, Oscarson S, Keller NP, Fahy JV. FleA Expression in Aspergillus fumigatus Is Recognized by Fucosylated Structures on Mucins and Macrophages to Prevent Lung Infection. PLoS Pathog. 2016 Apr; 12(4):e1005555.

Reber LL, Fahy JV. Mast cells in asthma: biomarker and therapeutic target. Eur Respir J. 2016 Apr; 47(4):1040-2.

Fahy JV. Asthma Was Talking, But We Weren't Listening. Missed or Ignored Signals That Have Slowed Treatment Progress. Ann Am Thorac Soc. 2016 Mar; 13 Suppl 1:S78-82.

Levy BD, Noel PJ, Freemer MM, Cloutier MM, Georas SN, Jarjour NN, Ober C, Woodruff PG, Barnes KC, Bender BG, Camargo CA, Chupp GL, Denlinger LC, Fahy JV, Fitzpatrick AM, Fuhlbrigge A, Gaston BM, Hartert TV, Kolls JK, Lynch SV, Moore WC, Morgan WJ, Nadeau KC, Ownby DR, Solway J, Szefler SJ, Wenzel SE, Wright RJ, Smith RA, Erzurum SC. Future Research Directions in Asthma. An NHLBI Working Group Report. Am J Respir Crit Care Med. 2015 Dec 01; 192(11):1366-72.

MacNee W, Fahy J, Nicod L, Kolls J. Purpose of the Conference: 2015 Transatlantic Airway Conference. Ann Am Thorac Soc. 2015 Nov; 12 Suppl 2:S111.

Dunican EM, Fahy JV. The Role of Type 2 Inflammation in the Pathogenesis of Asthma Exacerbations. Ann Am Thorac Soc. 2015 Nov; 12 Suppl 2:S144-9.

Yuan S, Hollinger M, Lachowicz-Scroggins ME, Kerr SC, Dunican EM, Daniel BM, Ghosh S, Erzurum SC, Willard B, Hazen SL, Huang X, Carrington SD, Oscarson S, Fahy JV. Oxidation increases mucin polymer cross-links to stiffen airway mucus gels. Sci Transl Med. 2015 Feb 25; 7(276):276ra27.

Fahy JV. Type 2 inflammation in asthma--present in most, absent in many. Nat Rev Immunol. 2015 Jan; 15(1):57-65.

MacNee W, Fahy J, Nicod L, Kolls J. Twenty-Ninth Transatlantic Airway Conference. Innate and adaptive immune responses in airway disease. Purpose of the conference. Ann Am Thorac Soc. 2014 Dec; 11 Suppl 5:S233.

Simpson LJ, Patel S, Bhakta NR, Choy DF, Brightbill HD, Ren X, Wang Y, Pua HH, Baumjohann D, Montoya MM, Panduro M, Remedios KA, Huang X, Fahy JV, Arron JR, Woodruff PG, Ansel KM. A microRNA upregulated in asthma airway T cells promotes TH2 cytokine production. Nat Immunol. 2014 Dec; 15(12):1162-70.

Greer AM, Matthay MA, Kukreja J, Bhakta NR, Nguyen CP, Wolters PJ, Woodruff PG, Fahy JV, Shin JS. Accumulation of BDCA1? dendritic cells in interstitial fibrotic lung diseases and Th2-high asthma. PLoS One. 2014; 9(6):e99084.

Kerr SC, Carrington SD, Oscarson S, Gallagher ME, Solon M, Yuan S, Ahn JN, Dougherty RH, Finkbeiner WE, Peters MC, Fahy JV. Intelectin-1 is a prominent protein constituent of pathologic mucus associated with eosinophilic airway inflammation in asthma. Am J Respir Crit Care Med. 2014 Apr 15; 189(8):1005-7.

Locksley RM, Fahy JV. Asthma and the flu: a tricky two-step. Immunol Cell Biol. 2014 May-Jun; 92(5):389-91.

Jackson DJ, Hartert TV, Martinez FD, Weiss ST, Fahy JV. Asthma: NHLBI Workshop on the Primary Prevention of Chronic Lung Diseases. Ann Am Thorac Soc. 2014 Apr; 11 Suppl 3:S139-45.

Houser J, Komarek J, Kostlanova N, Cioci G, Varrot A, Kerr SC, Lahmann M, Balloy V, Fahy JV, Chignard M, Imberty A, Wimmerova M. A soluble fucose-specific lectin from Aspergillus fumigatus conidia--structure, specificity and possible role in fungal pathogenicity. PLoS One. 2013; 8(12):e83077.

Fahy JV. Chair's summary: Mechanisms of relevance to clinical heterogeneity of asthma and chronic obstructive pulmonary disease. Ann Am Thorac Soc. 2013 Dec; 10 Suppl:S108.

MacNee W, Fahy J, Nicod L, Wanner A. Purpose of the conference. Ann Am Thorac Soc. 2013 Dec; 10 Suppl:S107.

Peters MC, Mekonnen ZK, Yuan S, Bhakta NR, Woodruff PG, Fahy JV. Measures of gene expression in sputum cells can identify TH2-high and TH2-low subtypes of asthma. J Allergy Clin Immunol. 2014 Feb; 133(2):388-94.

Peters MC, Fahy JV. Type 2 immune responses in obese individuals with asthma. Am J Respir Crit Care Med. 2013 Sep 15; 188(6):633-4.

Bhakta NR, Solberg OD, Nguyen CP, Nguyen CN, Arron JR, Fahy JV, Woodruff PG. A qPCR-based metric of Th2 airway inflammation in asthma. Clin Transl Allergy. 2013 Jul 17; 3(1):24.

Seumois G, Vijayanand P, Eisley CJ, Omran N, Kalinke L, North M, Ganesan AP, Simpson LJ, Hunkapiller N, Moltzahn F, Woodruff PG, Fahy JV, Erle DJ, Djukanovic R, Blelloch R, Ansel KM. An integrated nano-scale approach to profile miRNAs in limited clinical samples. Am J Clin Exp Immunol. 2012 Nov 30; 1(2):70-89.

Denlinger LC, Manthei DM, Seibold MA, Ahn K, Bleecker E, Boushey HA, Calhoun WJ, Castro M, Chinchili VM, Fahy JV, Hawkins GA, Icitovic N, Israel E, Jarjour NN, King T, Kraft M, Lazarus SC, Lehman E, Martin RJ, Meyers DA, Peters SP, Sheerar D, Shi L, Sutherland ER, Szefler SJ, Wechsler ME, Sorkness CA, Lemanske RF. P2X7-regulated protection from exacerbations and loss of control is independent of asthma maintenance therapy. Am J Respir Crit Care Med. 2013 Jan 01; 187(1):28-33.

Huang F, Zhang H, Wu M, Yang H, Kudo M, Peters CJ, Woodruff PG, Solberg OD, Donne ML, Huang X, Sheppard D, Fahy JV, Wolters PJ, Hogan BL, Finkbeiner WE, Li M, Jan YN, Jan LY, Rock JR. Calcium-activated chloride channel TMEM16A modulates mucin secretion and airway smooth muscle contraction. Proc Natl Acad Sci U S A. 2012 Oct 02; 109(40):16354-9.

Calhoun WJ, Ameredes BT, King TS, Icitovic N, Bleecker ER, Castro M, Cherniack RM, Chinchilli VM, Craig T, Denlinger L, DiMango EA, Engle LL, Fahy JV, Grant JA, Israel E, Jarjour N, Kazani SD, Kraft M, Kunselman SJ, Lazarus SC, Lemanske RF, Lugogo N, Martin RJ, Meyers DA, Moore WC, Pascual R, Peters SP, Ramsdell J, Sorkness CA, Sutherland ER, Szefler SJ, Wasserman SI, Walter MJ, Wechsler ME, Boushey HA. Comparison of physician-, biomarker-, and symptom-based strategies for adjustment of inhaled corticosteroid therapy in adults with asthma: the BASALT randomized controlled trial. JAMA. 2012 Sep 12; 308(10):987-97.

Jia G, Erickson RW, Choy DF, Mosesova S, Wu LC, Solberg OD, Shikotra A, Carter R, Audusseau S, Hamid Q, Bradding P, Fahy JV, Woodruff PG, Harris JM, Arron JR. Periostin is a systemic biomarker of eosinophilic airway inflammation in asthmatic patients. J Allergy Clin Immunol. 2012 Sep; 130(3):647-654.e10.

Diez D, Goto S, Fahy JV, Erle DJ, Woodruff PG, Wheelock ÅM, Wheelock CE. Network analysis identifies a putative role for the PPAR and type 1 interferon pathways in glucocorticoid actions in asthmatics. BMC Med Genomics. 2012 Jun 19; 5:27.

Sutherland ER, Goleva E, King TS, Lehman E, Stevens AD, Jackson LP, Stream AR, Fahy JV, Leung DY. Cluster analysis of obesity and asthma phenotypes. PLoS One. 2012; 7(5):e36631.

Szefler SJ, Wenzel S, Brown R, Erzurum SC, Fahy JV, Hamilton RG, Hunt JF, Kita H, Liu AH, Panettieri RA, Schleimer RP, Minnicozzi M. Asthma outcomes: biomarkers. J Allergy Clin Immunol. 2012 Mar; 129(3 Suppl):S9-23.

McGrath KW, Icitovic N, Boushey HA, Lazarus SC, Sutherland ER, Chinchilli VM, Fahy JV. A large subgroup of mild-to-moderate asthma is persistently noneosinophilic. Am J Respir Crit Care Med. 2012 Mar 15; 185(6):612-9.

Fahy JV, Locksley RM. The airway epithelium as a regulator of Th2 responses in asthma. Am J Respir Crit Care Med. 2011 Aug 15; 184(4):390-2.

Commins SP, James HR, Kelly LA, Pochan SL, Workman LJ, Perzanowski MS, Kocan KM, Fahy JV, Nganga LW, Ronmark E, Cooper PJ, Platts-Mills TA. The relevance of tick bites to the production of IgE antibodies to the mammalian oligosaccharide galactose-a-1,3-galactose. J Allergy Clin Immunol. 2011 May; 127(5):1286-93.e6.

Chabre YM, Brisebois PP, Abbassi L, Kerr SC, Fahy JV, Marcotte I, Roy R. Hexaphenylbenzene as a rigid template for the straightforward syntheses of "star-shaped" glycodendrimers. J Org Chem. 2011 Jan 21; 76(2):724-7.

Choy DF, Modrek B, Abbas AR, Kummerfeld S, Clark HF, Wu LC, Fedorowicz G, Modrusan Z, Fahy JV, Woodruff PG, Arron JR. Gene expression patterns of Th2 inflammation and intercellular communication in asthmatic airways. J Immunol. 2011 Feb 01; 186(3):1861-9.

Fahy JV, Dickey BF. Airway mucus function and dysfunction. N Engl J Med. 2010 Dec 02; 363(23):2233-47.

Sutherland ER, King TS, Icitovic N, Ameredes BT, Bleecker E, Boushey HA, Calhoun WJ, Castro M, Cherniack RM, Chinchilli VM, Craig TJ, Denlinger L, DiMango EA, Fahy JV, Israel E, Jarjour N, Kraft M, Lazarus SC, Lemanske RF, Peters SP, Ramsdell J, Sorkness CA, Szefler SJ, Walter MJ, Wasserman SI, Wechsler ME, Chu HW, Martin RJ. A trial of clarithromycin for the treatment of suboptimally controlled asthma. J Allergy Clin Immunol. 2010 Oct; 126(4):747-53.

Peters SP, Kunselman SJ, Icitovic N, Moore WC, Pascual R, Ameredes BT, Boushey HA, Calhoun WJ, Castro M, Cherniack RM, Craig T, Denlinger L, Engle LL, DiMango EA, Fahy JV, Israel E, Jarjour N, Kazani SD, Kraft M, Lazarus SC, Lemanske RF, Lugogo N, Martin RJ, Meyers DA, Ramsdell J, Sorkness CA, Sutherland ER, Szefler SJ, Wasserman SI, Walter MJ, Wechsler ME, Chinchilli VM, Bleecker ER. Tiotropium bromide step-up therapy for adults with uncontrolled asthma. N Engl J Med. 2010 Oct 28; 363(18):1715-26.

Innes AL, McGrath KW, Dougherty RH, McCulloch CE, Woodruff PG, Seibold MA, Okamoto KS, Ingmundson KJ, Solon MC, Carrington SD, Fahy JV. The H antigen at epithelial surfaces is associated with susceptibility to asthma exacerbation. Am J Respir Crit Care Med. 2011 Jan 15; 183(2):189-94.

Sidhu SS, Yuan S, Innes AL, Kerr S, Woodruff PG, Hou L, Muller SJ, Fahy JV. Roles of epithelial cell-derived periostin in TGF-beta activation, collagen production, and collagen gel elasticity in asthma. Proc Natl Acad Sci U S A. 2010 Aug 10; 107(32):14170-5.

Dougherty RH, Sidhu SS, Raman K, Solon M, Solberg OD, Caughey GH, Woodruff PG, Fahy JV. Accumulation of intraepithelial mast cells with a unique protease phenotype in T(H)2-high asthma. J Allergy Clin Immunol. 2010 May; 125(5):1046-1053.e8.

Fahy JV. Identifying clinical phenotypes of asthma: steps in the right direction. Am J Respir Crit Care Med. 2010 Feb 15; 181(4):296-7.

Woodruff PG, Wolff M, Hohlfeld JM, Krug N, Dransfield MT, Sutherland ER, Criner GJ, Kim V, Prasse A, Nivens MC, Tetzlaff K, Heilker R, Fahy JV. Safety and efficacy of an inhaled epidermal growth factor receptor inhibitor (BIBW 2948 BS) in chronic obstructive pulmonary disease. Am J Respir Crit Care Med. 2010 Mar 01; 181(5):438-45.

Wechsler ME, Kunselman SJ, Chinchilli VM, Bleecker E, Boushey HA, Calhoun WJ, Ameredes BT, Castro M, Craig TJ, Denlinger L, Fahy JV, Jarjour N, Kazani S, Kim S, Kraft M, Lazarus SC, Lemanske RF, Markezich A, Martin RJ, Permaul P, Peters SP, Ramsdell J, Sorkness CA, Sutherland ER, Szefler SJ, Walter MJ, Wasserman SI, Israel E. Effect of beta2-adrenergic receptor polymorphism on response to longacting beta2 agonist in asthma (LARGE trial): a genotype-stratified, randomised, placebo-controlled, crossover trial. Lancet. 2009 Nov 21; 374(9703):1754-64.

Park SW, Verhaeghe C, Nguyenvu LT, Barbeau R, Eisley CJ, Nakagami Y, Huang X, Woodruff PG, Fahy JV, Erle DJ. Distinct roles of FOXA2 and FOXA3 in allergic airway disease and asthma. Am J Respir Crit Care Med. 2009 Oct 01; 180(7):603-10.

Woodruff PG, Modrek B, Choy DF, Jia G, Abbas AR, Ellwanger A, Koth LL, Arron JR, Fahy JV. T-helper type 2-driven inflammation defines major subphenotypes of asthma. Am J Respir Crit Care Med. 2009 Sep 01; 180(5):388-95.

Seibold MA, Reese TA, Choudhry S, Salam MT, Beckman K, Eng C, Atakilit A, Meade K, Lenoir M, Watson HG, Thyne S, Kumar R, Weiss KB, Grammer LC, Avila P, Schleimer RP, Fahy JV, Rodriguez-Santana J, Rodriguez-Cintron W, Boot RG, Sheppard D, Gilliland FD, Locksley RM, Burchard EG. Differential enzymatic activity of common haplotypic versions of the human acidic Mammalian chitinase protein. J Biol Chem. 2009 Jul 17; 284(29):19650-8.

Innes AL, Carrington SD, Thornton DJ, Kirkham S, Rousseau K, Dougherty RH, Raymond WW, Caughey GH, Muller SJ, Fahy JV. Ex vivo sputum analysis reveals impairment of protease-dependent mucus degradation by plasma proteins in acute asthma. Am J Respir Crit Care Med. 2009 Aug 01; 180(3):203-10.

Fahy JV. Eosinophilic and neutrophilic inflammation in asthma: insights from clinical studies. Proc Am Thorac Soc. 2009 May 01; 6(3):256-9.

Seibold MA, Donnelly S, Solon M, Innes A, Woodruff PG, Boot RG, Burchard EG, Fahy JV. Chitotriosidase is the primary active chitinase in the human lung and is modulated by genotype and smoking habit. J Allergy Clin Immunol. 2008 Nov; 122(5):944-950.e3.

Woodruff PG, Boushey HA, Dolganov GM, Barker CS, Yang YH, Donnelly S, Ellwanger A, Sidhu SS, Dao-Pick TP, Pantoja C, Erle DJ, Yamamoto KR, Fahy JV. Genome-wide profiling identifies epithelial cell genes associated with asthma and with treatment response to corticosteroids. Proc Natl Acad Sci U S A. 2007 Oct 02; 104(40):15858-63.

Lazarus SC, Chinchilli VM, Rollings NJ, Boushey HA, Cherniack R, Craig TJ, Deykin A, DiMango E, Fish JE, Ford JG, Israel E, Kiley J, Kraft M, Lemanske RF, Leone FT, Martin RJ, Pesola GR, Peters SP, Sorkness CA, Szefler SJ, Wechsler ME, Fahy JV. Smoking affects response to inhaled corticosteroids or leukotriene receptor antagonists in asthma. Am J Respir Crit Care Med. 2007 Apr 15; 175(8):783-90.

Martin RJ, Szefler SJ, King TS, Kraft M, Boushey HA, Chinchilli VM, Craig TJ, Dimango EA, Deykin A, Fahy JV, Israel E, Lazarus SC, Lemanske RF, Leone FT, Pesola GR, Peters SP, Sorkness CA, Szwejbka LA, Wechsler ME. The Predicting Response to Inhaled Corticosteroid Efficacy (PRICE) trial. J Allergy Clin Immunol. 2007 Jan; 119(1):73-80.

Innes AL, Woodruff PG, Ferrando RE, Donnelly S, Dolganov GM, Lazarus SC, Fahy JV. Epithelial mucin stores are increased in the large airways of smokers with airflow obstruction. Chest. 2006 Oct; 130(4):1102-8.

Deykin A, Wechsler ME, Boushey HA, Chinchilli VM, Kunselman SJ, Craig TJ, DiMango E, Fahy JV, Kraft M, Leone F, Lazarus SC, Lemanske RF, Martin RJ, Pesola GR, Peters SP, Sorkness CA, Szefler SJ, Israel E. Combination therapy with a long-acting beta-agonist and a leukotriene antagonist in moderate asthma. Am J Respir Crit Care Med. 2007 Feb 01; 175(3):228-34.

Hays SR, Fahy JV. Characterizing mucous cell remodeling in cystic fibrosis: relationship to neutrophils. Am J Respir Crit Care Med. 2006 Nov 01; 174(9):1018-24.

Fahy JV. Anti-IgE: lessons learned from effects on airway inflammation and asthma exacerbation. J Allergy Clin Immunol. 2006 Jun; 117(6):1230-2.

Ratto J, Wong H, Liu J, Fahy J, Boushey H, Solomon C, Balmes J. Effects of multiday exposure to ozone on airway inflammation as determined using sputum induction. Environ Health Perspect. 2006 Feb; 114(2):209-12.

Wechsler ME, Lehman E, Lazarus SC, Lemanske RF, Boushey HA, Deykin A, Fahy JV, Sorkness CA, Chinchilli VM, Craig TJ, DiMango E, Kraft M, Leone F, Martin RJ, Peters SP, Szefler SJ, Liu W, Israel E. beta-Adrenergic receptor polymorphisms and response to salmeterol. Am J Respir Crit Care Med. 2006 Mar 01; 173(5):519-26.

Kuperman DA, Lewis CC, Woodruff PG, Rodriguez MW, Yang YH, Dolganov GM, Fahy JV, Erle DJ. Dissecting asthma using focused transgenic modeling and functional genomics. J Allergy Clin Immunol. 2005 Aug; 116(2):305-11.

Akpinar-Elci M, Stemple KJ, Enright PL, Fahy JV, Bledsoe TA, Kreiss K, Weissman DN. Induced sputum evaluation in microwave popcorn production workers. Chest. 2005 Aug; 128(2):991-7.

Boushey HA, Sorkness CA, King TS, Sullivan SD, Fahy JV, Lazarus SC, Chinchilli VM, Craig TJ, Dimango EA, Deykin A, Fagan JK, Fish JE, Ford JG, Kraft M, Lemanske RF, Leone FT, Martin RJ, Mauger EA, Pesola GR, Peters SP, Rollings NJ, Szefler SJ, Wechsler ME, Israel E. Daily versus as-needed corticosteroids for mild persistent asthma. N Engl J Med. 2005 Apr 14; 352(15):1519-28.

Deykin A, Lazarus SC, Fahy JV, Wechsler ME, Boushey HA, Chinchilli VM, Craig TJ, Dimango E, Kraft M, Leone F, Lemanske RF, Martin RJ, Pesola GR, Peters SP, Sorkness CA, Szefler SJ, Israel E. Sputum eosinophil counts predict asthma control after discontinuation of inhaled corticosteroids. J Allergy Clin Immunol. 2005 Apr; 115(4):720-7.

Israel E, Chinchilli VM, Ford JG, Boushey HA, Cherniack R, Craig TJ, Deykin A, Fagan JK, Fahy JV, Fish J, Kraft M, Kunselman SJ, Lazarus SC, Lemanske RF, Liggett SB, Martin RJ, Mitra N, Peters SP, Silverman E, Sorkness CA, Szefler SJ, Wechsler ME, Weiss ST, Drazen JM. Use of regularly scheduled albuterol treatment in asthma: genotype-stratified, randomised, placebo-controlled cross-over trial. Lancet. 2004 Oct 23-29; 364(9444):1505-12.

McNamara N, Gallup M, Khong A, Sucher A, Maltseva I, Fahy J, Basbaum C. Adenosine up-regulation of the mucin gene, MUC2, in asthma. FASEB J. 2004 Nov; 18(14):1770-2.

Djukanovic R, Wilson SJ, Kraft M, Jarjour NN, Steel M, Chung KF, Bao W, Fowler-Taylor A, Matthews J, Busse WW, Holgate ST, Fahy JV. Effects of treatment with anti-immunoglobulin E antibody omalizumab on airway inflammation in allergic asthma. Am J Respir Crit Care Med. 2004 Sep 15; 170(6):583-93.

Woodruff PG, Dolganov GM, Ferrando RE, Donnelly S, Hays SR, Solberg OD, Carter R, Wong HH, Cadbury PS, Fahy JV. Hyperplasia of smooth muscle in mild to moderate asthma without changes in cell size or gene expression. Am J Respir Crit Care Med. 2004 May 01; 169(9):1001-6.

Ferrando RE, Nyengaard JR, Hays SR, Fahy JV, Woodruff PG. Applying stereology to measure thickness of the basement membrane zone in bronchial biopsy specimens. J Allergy Clin Immunol. 2003 Dec; 112(6):1243-5.

Janson SL, Fahy JV, Covington JK, Paul SM, Gold WM, Boushey HA. Effects of individual self-management education on clinical, biological, and adherence outcomes in asthma. Am J Med. 2003 Dec 01; 115(8):620-6.

Kraft M, Martin RJ, Lazarus SC, Fahy JV, Boushey HA, Lemanske RF, Szefler SJ. Airway tissue mast cells in persistent asthma: predictor of treatment failure when patients discontinue inhaled corticosteroids. Chest. 2003 Jul; 124(1):42-50.

Hays SR, Fahy JV. The role of mucus in fatal asthma. Am J Med. 2003 Jul; 115(1):68-9.

Fahy JV. Goblet cell and mucin gene abnormalities in asthma. Chest. 2002 Dec; 122(6 Suppl):320S-326S.

Woodruff PG, Fahy JV. Airway remodeling in asthma. Semin Respir Crit Care Med. 2002 Aug; 23(4):361-7.

Martin RJ, Szefler SJ, Chinchilli VM, Kraft M, Dolovich M, Boushey HA, Cherniack RM, Craig TJ, Drazen JM, Fagan JK, Fahy JV, Fish JE, Ford JG, Israel E, Kunselman SJ, Lazarus SC, Lemanske RF, Peters SP, Sorkness CA. Systemic effect comparisons of six inhaled corticosteroid preparations. Am J Respir Crit Care Med. 2002 May 15; 165(10):1377-83.

Woodruff PG, Fahy JV. A role for neutrophils in asthma? Am J Med. 2002 Apr 15; 112(6):498-500.

Szefler SJ, Martin RJ, King TS, Boushey HA, Cherniack RM, Chinchilli VM, Craig TJ, Dolovich M, Drazen JM, Fagan JK, Fahy JV, Fish JE, Ford JG, Israel E, Kiley J, Kraft M, Lazarus SC, Lemanske RF, Mauger E, Peters SP, Sorkness CA. Significant variability in response to inhaled corticosteroids for persistent asthma. J Allergy Clin Immunol. 2002 Mar; 109(3):410-8.

Hallstrand TS, Fahy JV. Practical management of acute asthma in adults. Respir Care. 2002 Feb; 47(2):171-82.

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