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Co-culture of Helicobacter pylori with oral microorganisms in human saliva.
Clin Oral Investig
January 2025
Department of Operative Dentistry and Periodontology, Center for Dental Medicine, Medical Center- University of Freiburg, Faculty of Medicine, University of Freiburg, University of Freiburg, Freiburg, Germany.
Objective: Helicobacter pylori is known for colonizing the gastric mucosa and instigating severe upper gastrointestinal diseases such as gastritis, gastroduodenal ulcers, and gastric cancer. To date, there is no data available on the oral cavity as transmission site, whether H. pylori can survive in the oral cavity or in human saliva.
View Article and Find Full Text PDFGut microbiota, immune cells, and chronic sinusitis: A Mendelian randomization analysis.
Medicine (Baltimore)
January 2025
The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan Province, China.
Allergic rhinitis (AR) is a common allergic inflammatory disease that affects the upper respiratory tract. Although previous research suggests a potential association between gut microbiota alterations and AR, the causal relationship remains unclear. This study employs Mendelian randomization (MR) to reduce confounding factors and reverse causality.
View Article and Find Full Text PDFEfficacy of yeast beta-glucan 1,3/1,6 supplementation on respiratory infection, fatigue, immune markers and gut health among moderate stress adults in Klang Valley of Malaysia: protocol for a randomised, double-blinded, placebo-controlled, parallel-group study.
BMJ Open
January 2025
Collaborative Drug Discovery Research (CDDR) Group, Faculty of Pharmacy, Universiti Teknologi MARA (UiTM) Cawangan Selangor, Bandar Puncak Alam, Malaysia.
Introduction: Yeast beta-glucan (YBG) are recognised for enhancing the immune system by activating macrophages, a key defence mechanism. Given the global prevalence and impact of upper respiratory tract infections (URTIs) on productivity and healthcare costs, YBG has shown promise as a potential therapeutic and preventive strategy for recurrent respiratory tract infections. However, little is known regarding the efficacy of YBG at lower dosages in relation to URTI, fatigue, immune response and uncertainties of how they affect the gut microbiota composition.
View Article and Find Full Text PDFAssessment of upper respiratory and gut bacterial microbiomes during COVID-19 infection in adults: potential aerodigestive transmission.
Sci Rep
January 2025
Translational and Clinical Research Institute, Newcastle University Medical School, Newcastle upon Tyne, NE2 4HH, GB, United Kingdom.
SARS-CoV-2 is the viral pathogen responsible for COVID-19. Although morbidity and mortality frequently occur as a result of lung disease, the gastrointestinal (GI) tract is recognized as a primary location for SARS-CoV-2. Connections and interactions between the microbiome of the gut and respiratory system have been linked with viral infections via what has been referred to as the 'gut-lung axis' with potential aerodigestive communication in health and disease.
View Article and Find Full Text PDFPredictive Value of a Gastric Microbiota Dysbiosis Test for Stratifying Cancer Risk in Atrophic Gastritis Patients.
Nutrients
December 2024
Oncological Gastroenterology, Centro di Riferimento Oncologico di Aviano (CRO), National Cancer Institute, IRCCS, 33081 Aviano, Italy.
Background/objectives: Gastric cancer (GC) incidence remains high worldwide, and the survival rate is poor. GC develops from atrophic gastritis (AG), associated with () infection, passing through intestinal metaplasia and dysplasia steps. Since eradication does not exclude GC development, further investigations are needed.
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