نتایج جستجو برای: microbial etiology

تعداد نتایج: 163628  

2016
Jun Chen Nicholas Chia Krishna R. Kalari Janet Z. Yao Martina Novotna M. Mateo Paz Soldan David H. Luckey Eric V. Marietta Patricio R. Jeraldo Xianfeng Chen Brian G. Weinshenker Moses Rodriguez Orhun H. Kantarci Heidi Nelson Joseph A. Murray Ashutosh K. Mangalam

Multiple sclerosis (MS) is an immune-mediated disease, the etiology of which involves both genetic and environmental factors. The exact nature of the environmental factors responsible for predisposition to MS remains elusive; however, it's hypothesized that gastrointestinal microbiota might play an important role in pathogenesis of MS. Therefore, this study was designed to investigate whether g...

2016
Renan C. Soares Pedro H. Camargo-Penna Vanessa C. S. de Moraes Rodrigo De Vecchi Cécile Clavaud Lionel Breton Antonio S. K. Braz Luciana C. Paulino

Dandruff is a prevalent chronic inflammatory skin condition of the scalp that has been associated with Malassezia yeasts. However, the microbial role has not been elucidated yet, and the etiology of the disorder remains poorly understood. Using high-throughput 16S rDNA and ITS1 sequencing, we characterized cutaneous bacterial and fungal microbiotas from healthy and dandruff subjects, comparing ...

Journal: :Journal of critical care 2017
Kirsty M Sands Melanie J Wilson Michael A O Lewis Matt P Wise Nicki Palmer Anthony J Hayes Rosemary A Barnes David W Williams

PURPOSE In mechanically ventilated patients, the endotracheal tube is an essential interface between the patient and ventilator, but inadvertently, it also facilitates the development of ventilator-associated pneumonia (VAP) by subverting pulmonary host defenses. A number of investigations suggest that bacteria colonizing the oral cavity may be important in the etiology of VAP. The present stud...

Journal: :Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 2014
Guoqin Yu Mitchell H Gail Jianxin Shi Vanja Klepac-Ceraj Bruce J Paster Bruce A Dye Guo-Qing Wang Wen-Qiang Wei Jin-Hu Fan You-Lin Qiao Sanford M Dawsey Neal D Freedman Christian C Abnet

BACKGROUND The human upper digestive tract microbial community (microbiota) is not well characterized and few studies have explored how it relates to human health. We examined the relationship between upper digestive tract microbiota and two cancer-predisposing states, serum pepsinogen I/pepsinogen II ratio (PGI/II; predictor of gastric cancer risk) and esophageal squamous dysplasia (ESD; the p...

2009
Rute Marques Adam Williams Urszula Eksmond Andy Wullaert Nigel Killeen Manolis Pasparakis Dimitris Kioussis George Kassiotis

BACKGROUND In addition to progressive CD4(+) T cell immune deficiency, HIV infection is characterized by generalized immune activation, thought to arise from increased microbial exposure resulting from diminishing immunity. RESULTS Here we report that, in a virus-free mouse model, conditional ablation of activated CD4(+) T cells, the targets of immunodeficiency viruses, accelerates their turn...

Journal: :Journal of Pure and Applied Microbiology 2023

Urinary tract infections (UTIs) are among the most common diagnosed in clinical practice. Treatment is often initiated before microbiological confirmation and anti-microbial susceptibility testing. With rapidly rising antibiotic resistance treatment failures not uncommon. Beta-lactamase production by gram-negative bacteria causing UTI commonest mode of drug resistance. The aim current study was...

Journal: :iranian journal of pharmaceutical research 0
m rahim h bano b naqvi

contact lens wearers are at great risk of developing microbial keratitis because of incorrect usages and unhygienic maintenance of contact lenses. therefore, the present study was planned to provide data that will be helpful in selecting the anti-microbial to cure microbial keratitis. one hundred bacterial isolates from conjunctiva of contact lenses wearer were isolated, identified and subjecte...

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