نتایج جستجو برای: infectious diseases
تعداد نتایج: 898077 فیلتر نتایج به سال:
The spectrum of human pathogens and the infectious diseases they cause is continuously changing through evolution and changes in the way human populations interact with their environment and each other. New human pathogens most often emerge from an animal reservoir, emphasizing the central role that non-human reservoirs play in human infectious diseases. Pathogens may also re-emerge with new ch...
This article reviews the available literature on medical elementology in relation to epidemiology and also discusses its research potentialities for development.
The humoral and cellular response of the host against a virus is a natural selective constraint operating during virus replication in vivo. While acutely infecting viruses have the chance of escaping the host in a very short time, viruses persistently infecting the host are forced to cope with the adaptive host immune response, that the virus itself must modulate, disrupt, or evade with genetic...
Sphingolipids are ubiquitous constituents of membrane lipids in eukaryotes. Sphingolipid metabolites modulate various cellular events including proliferation, differentiation, and apoptosis. In addition, sphingolipids, along with cholesterol, form detergent-resistant membrane microdomains, so called 'lipid-rafts', which are implicated in signal transduction and membrane trafficking. Sphingolipi...
Human immunodeficiency virus type 1 (HIV-1) entry into target cells appears to be triggered when two heptad repeat regions in the ectodomain of gp41 associate, converting the prefusogenic form of gp41 to a fusogenic form. Peptides from these two heptad repeat regions, designated N51 and C43, form a coiled coil consisting of an ƒÁ-helical trimer of heterodimers which approximates the core of the...
Forty years ago is not ancient history in the medical field. However, being an eye witness to the emergence of three new infectious diseases in the northeastern United States in the 1970s left a deep impression on this author. I will relate a small portion of the amazing events that caught the attention of the medical establishment and the general public in a roughly 5-year period of medical di...
Mars and beyond is no longer science fiction. Through shuttle research we know how the body changes, what we need to do to fix some of the problems or—better yet—prevent them, the importance of monitoring health, and how to determine the human body's performance through the various sequences of launch, spaceflight, and landing. Basically, we understand how astronauts keep their performance high...
Over the last two decades, there has been the emergence of previously unknown infectious diseases and the re-emergence of diseases thought to be in decline. This is the result of social, economic, political and ecological factors, and the interactions of organisms, hosts and the environment. In recent years, Australia has experienced a number of significant outbreaks of emerging diseases such a...
Warren E. Rose, Sanjay K. Shukla, Andrew D. Berti, Mary S. Hayney, Kelsey M. Henriquez, Andrea Ranzoni, Matthew A. Cooper, Richard A. Proctor, Victor Nizet, and George Sakoulas School of Pharmacy, University of Wisconsin–Madison, and Marshfield Clinic Research Foundation, Wisconsin; Institute for Molecular Bioscience, University of Queensland, Brisbane, Australia; Departments of Medicine and Me...
Helen Kovari, Andri Rauch, Roger Kouyos, Mathieu Rougemont, Matthias Cavassini, Patrick Schmid, Marcel Stöckle, Enos Bernasconi, Rainer Weber, and Bruno Ledergerber; for the Swiss HIV Cohort Study Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich; University Clinic of Infectious Diseases, University Hospital Berne and University of Berne...
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