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Association Between Serological Responses to Two Zoonotic Ruminant Pathogens and Esophageal Squamous Cell Carcinoma Publisher Pubmed



Miller HK1 ; Stoddard RA2 ; Dawsey SM3 ; Nasrollahzadeh D4 ; Abnet CC3 ; Etemadi A3, 4 ; Kamangar F4, 5 ; Murphy G3 ; Sotoudeh M4 ; Kersh GJ1 ; Malekzadeh R4 ; Camargo MC3
Authors
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Authors Affiliations
  1. 1. Rickettsial Zoonoses Branch and Centers for Disease Control and Prevention, Atlanta, Georgia, United States
  2. 2. Bacterial Special Pathogens Branch, Centers for Disease Control and Prevention, Atlanta, Georgia, United States
  3. 3. Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland, United States
  4. 4. Digestive Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
  5. 5. Department of Biology, School of Computer, Mathematical, and Natural Sciences, Morgan State University, Baltimore, Maryland, United States

Source: Vector-Borne and Zoonotic Diseases Published:2021


Abstract

Questionnaire data have linked contact with ruminants to the risk of esophageal squamous cell carcinoma (ESCC) in high-risk Asian populations. To better understand this observed association, we investigated exposure to two major zoonotic ruminant pathogens relative to ESCC risk. Using enzyme-linked immunosorbent assay, immunofluorescence assay, and Brucella microagglutination test assays, we measured immunoglobulin G anti-Coxiella burnetii and anti-Brucella spp. antibodies in patients with ESCC (n = 177) and population-based controls (n = 177) matched by age, gender, and residence area from the Golestan case-control study in Iran. We found a similarly high seroprevalence of C. burnetii in ESCC cases and controls (75% and 80%, respectively), and a similarly low seroprevalence of Brucella spp. (0% and 0.6%, respectively). While documenting a high exposure to one of two zoonotic ruminant infections, this exposure failed to explain the observed association of ruminant contact and ESCC risk in this high-risk population. © Copyright 2021, Mary Ann Liebert, Inc., publishers 2021.