نتایج جستجو برای: hev

تعداد نتایج: 2155  

2015
Zhubing Li Lu Chen Qiang Liu

Hepatitis E virus (HEV) is a small nonenveloped single-stranded positive-sense RNA virus and is one of the major causes for acute hepatitis worldwide. CXCL-8 is a small multifunctional proinflammatory chemokine. It was reported recently that HEV infection significantly upregulates CXCL-8 gene expression. In this study, we investigated the mechanism of HEV-induced CXCL-8 transcriptional activati...

Journal: :Journal of infection in developing countries 2010
Tahir Ahmad Yasir Waheed Sadia Tahir Sher Zaman Safi Kaneez Fatima Muhammad Sohail Afzal Zia-ur-Rehman Farooqi Ishtiaq Qadri

INTRODUCTION Enteric viruses, including Hepatitis E virus (HEV), are able to persist under environmental conditions and may cause public health problems by contaminating natural and drinking water resources. Routine procedures for monitoring viruses in water samples have not been established for the water microbiology screening panel. METHODOLOGY Eighty-six raw sewerage samples were collected...

2017
Montserrat Elemi García-Hernández Mayra Cruz-Rivera José Iván Sánchez-Betancourt Oscar Rico-Chávez Arely Vergara-Castañeda María E. Trujillo Rosa Elena Sarmiento-Silva

BACKGROUND Hepatitis E virus (HEV) infection is one of the most common causes of acute liver diseases in humans worldwide. In developing countries, HEV is commonly associated with waterborne outbreaks. Conversely, in industrialized countries, HEV infection is often associated with travel to endemic regions or ingestion of contaminated animal products. Limited information on both, human and anim...

Journal: :Environmental research 2015
Christopher D Heaney Brittany Kmush Ana Navas-Acien Kevin Francesconi Walter Gössler Kerry Schulze DeLisa Fairweather Sucheta Mehra Kenrad E Nelson Sabra L Klein Wei Li Hasmot Ali Saijuddin Shaikh Rebecca D Merrill Lee Wu Keith P West Parul Christian Alain B Labrique

BACKGROUND Arsenic has immunomodulatory properties and may have the potential to alter susceptibility to infection in humans. OBJECTIVES We aimed to assess the relation of arsenic exposure during pregnancy with immune function and hepatitis E virus (HEV) infection, defined as seroconversion during pregnancy and postpartum. METHODS We assessed IgG seroconversion to HEV between 1st and 3rd tr...

Journal: :The Journal of infectious diseases 2010
Philippe Colson Patrick Borentain Benjamin Queyriaux Mamadou Kaba Valérie Moal Pierre Gallian Laurent Heyries Didier Raoult René Gerolami

BACKGROUND The source and route of autochthonous hepatitis E virus (HEV) infections are not clearly established in industrialized countries despite evidence that it is a zoonosis in pigs. We investigated the role of figatellu, a traditional pig liver sausage widely eaten in France and commonly consumed raw, as a source of HEV infection. METHODS A case-control study was conducted of 3 patients...

2011
Alain Kenfak-Foguena Franziska Schöni-Affolter Philippe Bürgisser Andrea Witteck Katharine E.A. Darling Helen Kovari Laurent Kaiser John-Marc Evison Luigia Elzi Vanina Gurtner De La Fuente Josef Jost Darius Moradpour Florence Abravanel Jacques Izopet Matthias Cavassini

We screened 735 HIV-infected patients in Switzerland with unexplained alanine aminotransferase elevation for hepatitis E virus (HEV) immunoglobulin G. Although HEV seroprevalence in this population is low (2.6%), HEV RNA can persist in patients with low CD4 cell counts. Findings suggest chronic HEV infection should be considered as a cause of persistent alanine aminotransferase elevation.

2016
Hoang van Tong Nghiem Xuan Hoan Bo Wang Heiner Wedemeyer C.-Thomas Bock Thirumalaisamy P. Velavan

Hepatitis E virus (HEV) infection is a major cause of acute hepatitis and affects more than 20 million individuals, with three million symptomatic cases and 56,000 recognized HEV-related deaths worldwide. HEV is endemic in developing countries and is gaining importance in developed countries, due to increased number of autochthone cases. Although HEV replication is controlled by the host immune...

2014
Wenhai Yu Tianwu Ma Xianchen Zhao Zhanlong He Chenchen Yang Yanhong Bi Fen Huang

Hepatitis E virus (HEV) is an important public health concern in the world, especially in developing countries of Africa and Asia, including China. Hepatitis E is recognized as a zoonotic disease, which is transmitted across species, including between humans and swine. HEV is highly endemic in China, but the complete sequence of HEV in southwestern China is lacking. Swine HEV strain KM01 was is...

2009
Shaowei Li Xuhua Tang J. Seetharaman Chunyan Yang Ying Gu Jun Zhang Hailian Du J. Wai Kuo Shih Choy-Leong Hew J. Sivaraman Ningshao Xia

Hepatitis E virus (HEV), a non-enveloped, positive-stranded RNA virus, is transmitted in a faecal-oral manner, and causes acute liver diseases in humans. The HEV capsid is made up of capsomeres consisting of homodimers of a single structural capsid protein forming the virus shell. These dimers are believed to protrude from the viral surface and to interact with host cells to initiate infection....

Journal: :hepatitis monthly 0
cosme alvarado-esquivel biomedical research laboratory, faculty of medicine and nutrition, juarez university of durango state, durango, mexico; biomedical research laboratory, faculty of medicine and nutrition, avenida universidad, s/n. 34000 durango, dgo, mexico. tel/fax: +52-6188130527 luis francisco sanchez-anguiano institute for scientific research “dr. roberto rivera damm”, juarez university of durango state, durango, mexico jesus hernandez-tinoco institute for scientific research “dr. roberto rivera damm”, juarez university of durango state, durango, mexico

conclusions the seroprevalence of hev infection found in rural durango is higher than those reported in other mexican populations. consumption of untreated water is an important factor for hev exposure in rural areas in durango. the correlates of hev seropositivity found in the present study can be used for an optimal planning of preventive measures against hev infection. results one hundred (3...

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