Taming a Frenzied Immune System

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University of Louisville
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Taming a Frenzied Immune System
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Family Resemblance—How T Cells Could Fight Many Coronaviruses at Once

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La Jolla Institute for Immunology
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Family Resemblance—How T Cells Could Fight Many Coronaviruses at Once
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HIV/AIDS Scholars Using Nonhuman Primate (NHP) Models Program (K01 Independent Clinical Trial Not Allowed)

Gregory M. Constantine, M.D.

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Human Eosinophil Section
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Program Description

Dr. Constantine’s research focuses on understanding tissue remodeling and neuroimmune mechanisms that may underpin ongoing symptoms in patients with gastrointestinal inflammatory (GI) conditions, including eosinophilic esophagitis (EoE) and other eosinophilic gastrointestinal diseases (EGID). Additionally, his research explores the influence of environmental factors, such as chemical exposures found in water systems and in processed food and food packaging, on gut inflammation.

Our clinical studies aim to improve EGID diagnosis through the implementation of minimally invasive diagnostic tools, such as the esophageal string test, ultimately enhancing patient care and outcomes.

In the Human Eosinophil Section, Dr. Constantine is an investigator on multiple protocols addressing eosinophilic disorders including eosinophilic esophagitis and other EGIDs and serves as a site-investigator for the Consortium of Eosinophilic Gastrointestinal Researchers (CEGIR) through NIH/NCATS/RDCRN.

Selected Publications

Wright BL, Abonia JP, Abud EM, Aceves SS, Ackerman SJ, Braskett M, Chang JW, Chehade M, Constantine GM, Davis CM, Dellon ES, Doyle AD, Durban R, Hill DA, Jensen ET, Kewalramani A, Khoury P, Klion AD, Kottyan L, Kuang FL, McGowan EC, Ruffner MA, Spencer LA, Spergel JM, Uchida AM, Wechsler JB, Pesek RD. Advances and ongoing challenges in eosinophilic gastrointestinal disorders presented at the CEGIR/TIGERs Symposium at the 2024 American Academy of Allergy, Asthma & Immunology meeting. J Allergy Clin Immunol. 2024 Oct;154(4):882-892.

Khalid MB, Sharma D, Howard A, Akbulut D, Sampaio de Melo M, Quezado MM, Castillo PA, Cuevas GA, Klion AD, Khoury P, Constantine GM, Kumar S. Gastrointestinal segmental remission with oral budesonide therapy for eosinophilic gastrointestinal diseases. J Allergy Clin Immunol Pract. 2024 Oct;12(10):2857-2860.e2.

Oikonomou V, Smith G, Constantine GM, Schmitt MM, Ferré EMN, Alejo JC, Riley D, Kumar D, Dos Santos Dias L, Pechacek J, Hadjiyannis Y, Webb T, Seifert BA, Ghosh R, Walkiewicz M, Martin D, Besnard M, Snarr BD, Deljookorani S, Lee CR, DiMaggio T, Barber P, Rosen LB, Cheng A, Rastegar A, de Jesus AA, Stoddard J, Kuehn HS, Break TJ, Kong HH, Castelo-Soccio L, Colton B, Warner BM, Kleiner DE, Quezado MM, Davis JL, Fennelly KP, Olivier KN, Rosenzweig SD, Suffredini AF, Anderson MS, Swidergall M, Guillonneau C, Notarangelo LD, Goldbach-Mansky R, Neth O, Monserrat-Garcia MT, Valverde-Fernandez J, Lucena JM, Gomez-Gila AL, Garcia Rojas A, Seppänen MRJ, Lohi J, Hero M, Laakso S, Klemetti P, Lundberg V, Ekwall O, Olbrich P, Winer KK, Afzali B, Moutsopoulos NM, Holland SM, Heller T, Pittaluga S, Lionakis MS. The Role of Interferon-γ in Autoimmune Polyendocrine Syndrome Type 1. N Engl J Med. 2024 May 30;390(20):1873-1884.

Constantine GM, Khoury P. Overlap of eosinophilic esophagitis with inborn errors of immunity and immune dysregulation. J Allergy Clin Immunol. 2024 Jun;153(6):1529-1532.

Constantine GM, Klion AD. Recent advances in understanding the role of eosinophils. Fac Rev. 2022 Sep 27;11:26.

Constantine GM, Metcalfe DD, Akin C, Sun X, Bai Y, Eisch AR, Maric I, Komarow HD. Remission of indolent systemic mastocytosis in the absence of targeted therapy. J Allergy Clin Immunol Pract. 2022 Aug;10(8):2163-2165.e2.

Major Areas of Research
  • Characterization and treatment of eosinophilic disorders, including eosinophilic esophagitis (EoE) and other eosinophilic gastrointestinal disorders (EGID), and hypereosinophilic syndromes (HES)
  • Sensory mechanisms of EGID-related symptoms
  • Role of environmental exposures on gut inflammation
  • Eosinophil biology and maturation 

New UCF-Developed Immunotherapy Treatment Targets Respiratory Viral Infections

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University of Central Florida College of Medicine
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New UCF-Developed Immunotherapy Treatment Targets Respiratory Viral Infections
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Chemists’ Technique Reveals Whether Antibodies Neutralize SARS-CoV-2

Protein Nanoparticle Vaccine with Adjuvant Improves Immune Response Against Influenza, Biomedical Sciences Researchers Find

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Institute for Biomedical Sciences at Georgia State University
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Protein Nanoparticle Vaccine with Adjuvant Improves Immune Response Against Influenza, Biomedical Sciences Researchers Find
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Research in Mice Offers Clues for Vaccinating Against Deadly Bacteria

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Washington University School of Medicine in St. Louis
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Research in Mice Offers Clues for Vaccinating Against Deadly Bacteria
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ABL Awarded Seven-Year NIH Contract for Continued Support in HIV Prevention Products

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Advanced BioScience Laboratories
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ABL Awarded Seven-Year NIH Contract for Continued Support in HIV Prevention Products
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Aphios Awarded an NIH Grant to Develop a Double Encapsulated mRNA Vaccine For COVID-19 and Other Diseases

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Aphios
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Aphios Awarded a Grant to Develop a Double Encapsulated mRNA Vaccine For COVID-19
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