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Exploring the Link Between Obligate Anaerobe-Related Dysbiosis and Prostate Cancer Development: A Pilot Study.
Cancers (Basel)
December 2024
Wolfson Institute of Population Health, Faculty of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK.
Background/objectives: Several independent studies have associated prostate cancer (PCa) with specific groups of bacteria, most of them reporting the presence of anaerobic or microaerophilic species such as (). Such findings suggest a prostate cancer-related bacterial dysbiosis, in a manner similar to the association between infection and gastric cancer. In an earlier exploratory study looking for such dysbiosis events, using a culturomics approach, we discovered that the presence of obligate anaerobes (OAs) along with was associated with increased prostate-specific antigen (PSA) levels in 39 participants.
View Article and Find Full Text PDFA Helicobacter pylori flagellar motor accessory is needed to maintain the barrier function of the outer membrane during flagellar rotation.
PLoS Pathog
January 2025
Department of Microbiology, University of Georgia, Athens, Georgia, United States of America.
The Helicobacter pylori flagellar motor contains several accessory structures that are not found in the archetypal Escherichia coli and Salmonella enterica motors. H. pylori hp0838 encodes a previously uncharacterized lipoprotein and is in an operon with flgP, which encodes a motor accessory protein.
View Article and Find Full Text PDFChronic cigarette smoke exposure masks pathological features of Helicobacter pylori infection while promoting tumor initiation.
Cancer Prev Res (Phila)
January 2025
West Virginia University, Morgantown, United States.
Gastric cancer is the fifth most common cancer and the fifth leading cause of cancer deaths worldwide. Chronic infection by the bacterium Helicobacter pylori is the most prominent gastric cancer risk factor, but only 1-3% of infected individuals will develop gastric cancer. Cigarette smoking is another independent gastric cancer risk factor, and H.
View Article and Find Full Text PDFBeyond the Hayflick limit: How microbes influence cellular aging.
Ageing Res Rev
January 2025
Center for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India; Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran. Electronic address:
Cellular senescence, a complex biological process resulting in permanent cell-cycle arrest, is central to aging and age-related diseases. A key concept in understanding cellular senescence is the Hayflick Limit, which refers to the limited capacity of normal human cells to divide, after which they become senescent. Senescent cells (SC) accumulate with age, releasing pro-inflammatory and tissue-remodeling factors collectively known as the senescence-associated secretory phenotype (SASP).
View Article and Find Full Text PDFIncreasing miR-1260b predicts the risk of gastric cancer in atrophic gastritis patients and regulates cell growth and metastasis of gastric cancer.
Rev Esp Enferm Dig
January 2025
Rehabilitation Medicine, The Affiliated Hospital of Youjiang Medical University for Nationalities.
Background: Atrophic gastritis is of high risk of progressing to gastric cancer. Screening early gastric cancer and predicting the risk of atrophic gastritis developing into gastric cancer could improve the prognosis of gastric cancer.
Objective: This study evaluated the significance of miR-1260b in early gastric cancer and in the progression of atrophic gastritis to gastric cancer aiming to explore a reliable biomarker.
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