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John J. Ryan publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where John J. Ryan sits on this spectrum.

55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 265 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 234 scientists 205–214 publications: 208 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55 publications 679+

The last bar groups every scientist with 679 publications or more.

John J. Ryan D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where John J. Ryan sits on this spectrum.

40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 112 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 123 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 94 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

The last bar groups every scientist with 127 D-Index or more.

Overview

John J. Ryan is affiliated with Virginia Commonwealth University in the United States and has contributed extensively to the field of medical research, focusing primarily on areas within medicine such as cardiology, pulmonary and respiratory medicine, and immunology. Their work spans several subfields, including cardiovascular medicine and respiratory diseases.

The scientist has published more than 200 works, with significant activity in the following subfields:

  • Cardiology and Cardiovascular Medicine
  • Pulmonary and Respiratory Medicine
  • Immunology
  • Complementary and Alternative Medicine
  • Physiology

Research topics addressed by John J. Ryan include:

  • Pulmonary Hypertension Research and Treatments
  • Cardiovascular and Exercise Physiology
  • Cardiovascular Function and Risk Factors
  • Heart Failure Treatment and Management
  • Mast Cells and Histamine
  • Vascular Anomalies and Treatments
  • Asthma and Respiratory Diseases

Common venues for publishing their work include:

  • The Journal of Immunology
  • Pulmonary Circulation
  • Journal of Applied Physiology
  • American Journal of Respiratory and Critical Care Medicine
  • Cellular Immunology

Frequent collaborators with whom John J. Ryan has co-authored multiple papers are:

  • D. Walter Wray
  • Jeremy K. Alpenglow
  • Kanokwan Bunsawat
  • Teresa De Marco
  • Sydney Ann Kee

Among several recent publications, notable papers include:

  • The Impact of COVID-19 on Medical Education, 2020, Cureus
  • The SGLT2 inhibitor dapagliflozin in heart failure with preserved ejection fraction: a multicenter randomized trial, 2021, Nature Medicine
  • Mortality in Pulmonary Arterial Hypertension in the Modern Era: Early Insights From the Pulmonary Hypertension Association Registry, 2022, Journal of the American Heart Association
  • Lactate Is a Metabolic Mediator That Shapes Immune Cell Fate and Function, 2021, Frontiers in Physiology
  • Care of patients with pulmonary arterial hypertension during the coronavirus (COVID-19) pandemic, 2020, Pulmonary Circulation

Best Publications

  • The IL-4 receptor: signaling mechanisms and biologic functions.

    Keats Nelms;Achsah D. Keegan;José Zamorano;John J. Ryan

  • Dynamin-Related Protein 1–Mediated Mitochondrial Mitotic Fission Permits Hyperproliferation of Vascular Smooth Muscle Cells and Offers a Novel Therapeutic Target in Pulmonary Hypertension

    Glenn Marsboom;Peter T. Toth;John J. Ryan;Zhigang Hong

  • The Right Ventricle in Pulmonary Arterial Hypertension: Disorders of Metabolism, Angiogenesis and Adrenergic Signaling in Right Ventricular Failure

    John J. Ryan;Stephen L. Archer

  • Fullerene nanomaterials inhibit the allergic response

    John J. Ryan;Henry R. Bateman;Alex Stover;Greg Gomez

  • Dynamin-related protein 1 (Drp1)-mediated diastolic dysfunction in myocardial ischemia-reperfusion injury: therapeutic benefits of Drp1 inhibition to reduce mitochondrial fission

    Willard W. Sharp;Yong Hu Fang;Mei Han;Hannah J. Zhang

  • Negative Regulation of Immunoglobulin E–dependent Allergic Responses by Lyn Kinase

    Sandra Odom;Gregorio Gomez;Martina Kovarova;Yasuko Furumoto

  • Cardiovascular Effects of Exposure to Cigarette Smoke and Electronic Cigarettes : Clinical Perspectives From the Prevention of Cardiovascular Disease Section Leadership Council and Early Career Councils of the American College of Cardiology

    Pamela B. Morris;Brian A. Ference;Eiman Jahangir;Dmitriy N. Feldman

  • Emerging concepts in the molecular basis of pulmonary arterial hypertension: part I: metabolic plasticity and mitochondrial dynamics in the pulmonary circulation and right ventricle in pulmonary arterial hypertension.

    John J. Ryan;Stephen L. Archer

  • Growth and Gene Expression Are Predominantly Controlled by Distinct Regions of the Human IL-4 Receptor

    John J. Ryan;Lisa J. McReynolds;Achsah Keegan;Lu Hai Wang

  • Mast cell production and response to IL-4 and IL-13.

    Jamie J.A. McLeod;Bianca Baker;John J. Ryan

  • Stat5 expression is critical for mast cell development and survival.

    Christopher P Shelburne;Margaret E McCoy;Roland Piekorz;Veronika Sexl

  • Belumosudil for Chronic Graft-versus-Host Disease (cGVHD) After 2 or More Prior Lines of Therapy: The ROCKstar Study

    Corey S Cutler;Stephanie J Lee;Sally Arai;Marcello Rotta

  • FOXO1-mediated upregulation of pyruvate dehydrogenase kinase-4 (PDK4) decreases glucose oxidation and impairs right ventricular function in pulmonary hypertension: therapeutic benefits of dichloroacetate

    Lin Piao;Vaninder K. Sidhu;Yong Hu Fang;John J. Ryan

  • A specific sphingosine kinase 1 inhibitor attenuates airway hyperresponsiveness and inflammation in a mast cell–dependent murine model of allergic asthma

    Megan M. Price;Carole A. Oskeritzian;Yves T. Falanga;Kuzhuvelil B. Harikumar

  • Cardiac glutaminolysis: a maladaptive cancer metabolism pathway in the right ventricle in pulmonary hypertension.

    Lin Piao;Yong-Hu Fang;Kishan Parikh;John J. Ryan

  • Synthesis, characterization, and cytotoxicity of a novel highly charged trinuclear platinum compound. Enhancement of cellular uptake with charge.

    Amanda L Harris;Xiaohong Yang;Alex Hegmans;Lawrence Povirk

  • Signaling via IL-2 and IL-4 in JAK3-deficient severe combined immunodeficiency lymphocytes: JAK3-dependent and independent pathways.

    Scott A. Oakes;Scott A. Oakes;Fabio Candotti;James A. Johnston;Yi-Qing Chen

  • Mitochondrial dynamics in pulmonary arterial hypertension.

    John Ryan;Asish Dasgupta;Jessica Huston;Kuang-Huieh Chen

  • Essential roles of sphingosine-1–phosphate receptor 2 in human mast cell activation, anaphylaxis, and pulmonary edema

    Carole A. Oskeritzian;Megan M. Price;Nitai C. Hait;Dmitri Kapitonov

  • IL-10 suppresses mast cell IgE receptor expression and signaling in vitro and in vivo.

    Sarah Kennedy Norton;Brian Barnstein;Jennifer Brenzovich;Daniel P. Bailey

Frequent Co-Authors

Sarah Spiegel
Sarah Spiegel Virginia Commonwealth University
Gary L. Bowlin
Gary L. Bowlin University of Memphis
Barbara D. Boyan
Barbara D. Boyan Virginia Commonwealth University
Caroline S. Fox
Caroline S. Fox MSD (United States)
Edward K. Wakeland
Edward K. Wakeland The University of Texas Southwestern Medical Center

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