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Progress in understanding the malarial parasite
September 14, 2007About 2 million people die of malaria every year, of which more than a million are children in sub-Saharan Africa. Malaria is caused by a protozoan parasite belonging to the genus Plasmodium, and Plasmodium falciparum is responsible for the most severe form of malaria. Due to the increasing incidence of resistance to existing drugs, there is a growing need to discover new and more effective drugs against malaria. In a new study publishing in PLoS Computational Biology on September 14, 2007, Dr. Tatu and colleagues from the Indian Institute of Science have constructed a chaperone interaction network for the parasite which provides, for the first time, a rational basis for the anti-malarial effect of known drugs and highlights new proteins that can potentially be used in the fight against malaria.
Recent reports from several labs point to a critical role played by a group of proteins termed molecular chaperones. These chaperones participate in the maintenance and growth of cells and are implicated in parasite survival and growth. Although a vast body of information is available regarding individual chaperones, few studies have attempted a systems level analysis of chaperone function. The researchers' systems-level approach provides information on 95 different chaperones in the parasite and also provides insights into their business partners and cellular processes that they might regulate.
Analysis of the network reveals the broad range of functions regulated by chaperones. The network predicts involvement of chaperones in chromatin remodeling, protein trafficking, and cytoadherence. Importantly, it allows making predictions regarding the functions of hypothetical proteins based on their interactions. Analysis of the network provides a rational basis for the anti-malarial activity of geldanamycin, a well-known Hsp90 inhibitor, and provides a theoretical basis for further experiments designed toward understanding the involvement of this important class of molecules in parasite biology.
Public Library of Science
Public Library of Science
Malaria Current Events and Malaria News RSSOn the Trail of a Vaccine for Lyme Disease: Yale Researchers Target Tick Saliva
A protein found in the saliva of ticks helps protect mice from developing Lyme disease, Yale researchers have discovered. The findings, published in the November 19 issue of Cell Host & Microbe, may spur development of a new vaccine against infection from Lyme disease, which is spread through tick bites.
Research calls for better assessment of tests for tuberculosis, HIV/AIDS and malaria
A rapid and accurate diagnosis is the first step towards treatment in the fight against infectious disease.
Small nanoparticles bring big improvement to medical imaging
If you're watching the complex processes in a living cell, it is easy to miss something important-especially if you are watching changes that take a long time to unfold and require high-spatial-resolution imaging.
Prioritizing low-cost, simple health measures would save 2.5 million child lives a year
Almost a third of the children under age five who die each year could be saved if governments rebalance health spending to ensure low-cost, simple interventions such as safe water and hygiene, bed nets and basic maternal and newborn care, leading aid agency World Vision said today. Currently, 8.8 million children a year die before age five, most of preventable causes.
Drug industry, nonprofits join forces to fight world's neglected diseases
Drug companies and nonprofit organizations are joining forces to develop new drugs and vaccines to target so-called "neglected" diseases that claim millions of lives in the developing world each year.
U.S. and European Experts Applaud Creation of New Transatlantic Task Force on Global Antibiotic Resistance Threat
Experts on both sides of the Atlantic applaud President Barack Obama and Swedish Prime Minister Fredrik Reinfeldt, representing the European Union (EU) Presidency, for establishing a transatlantic task force to address antibiotic resistance, an urgent and growing problem that threatens patient safety and public health worldwide.
1930s drug slows tumor growth
Drugs sometimes have beneficial side effects. A glaucoma treatment causes luscious eyelashes. A blood pressure drug also aids those with a rare genetic disease.
DNA barcodes: Creative new uses span health, fraud, smuggling, history, more
The scientific ability to quickly and accurately identify species through DNA "barcoding" is being embraced and applied by a growing legion of global authorities - from medical and agricultural researchers to police and customs authorities to palaeontologists and others.
PATH Malaria Vaccine Initiative shares strategy for developing 'next-generation' malaria vaccines
Marking its tenth anniversary year, the PATH Malaria Vaccine Initiative (MVI) today unveiled a new strategy that sets the stage for an aggressive push targeting the long-term goal of eliminating and eradicating malaria. Malaria is one of the world's deadliest infectious diseases, killing nearly 900,000 people a year, most of them children in sub-Saharan Africa.
Global challenges and opportunities in fighting HIV/AIDS and neglected diseases
Responding to the HIV/AIDS pandemic and tackling so-called neglected tropical diseases are the focus of the November/December 2009 edition of Health Affairs.
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The Making of a Tropical Disease: A Short History of Malaria (Johns Hopkins Biographies of Disease) by Randall M. Packard (Author) Malaria sickens hundreds of millions of people -- and kills one to three million -- each year. Despite massive efforts to eradicate the disease, it remains a major public health problem in poorer tropical regions. But malaria has not always been concentrated in tropical areas. How did other regions control malaria and why does the disease still flourish in some parts of the globe? From Russia to Bengal to Palm Beach, Randall Packard's far-ranging narrative traces the natural and social forces that help malaria spread and make it deadly. He finds that war, land development, crumbling health systems, and globalization -- coupled with climate change and changes in the distribution and flow of water -- create conditions in which malaria's carrier mosquitoes thrive. The combination of... |
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The Malaria Capers : More Tales of Parasites and People, Research and Reality by Robert S. Desowitz (Author) "Reads like a murder mystery. . . . [Desowitz] writes with uncommon lucidity and verse, leaving the reader with a vivid understanding of malaria and other tropical diseases, and the ways in which culture, climate and politics have affected their spread and containment."—New York Times Why, Robert S. Desowitz asks, has biotechnical research on malaria produced so little when it had promised so much? An expert in tropical diseases, Desowtiz searches for answers in this provocative book. . |
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Humanity's Burden: A Global History of Malaria (Studies in Environment and History) by James L.A. Webb Jr. (Author) Humanity's Burden provides a panoramic overview of the history of malaria. It traces the long arc of malaria out of tropical Africa into Eurasia, its transfer to the Americas during the early years of the Columbian exchange, and its retraction from the middle latitudes into the tropics since the late nineteenth century. Adopting a broadly comparative approach to historical patterns and processes, it synthesizes research findings from the natural and social sciences and weaves these understandings into a narrative that reaches from the earliest evidence of malaria infections in tropical Africa up to the present. Written in a style that is easily accessible to non-specialists, it considers the significance of genetic mutations, diet, lifestyle, migration, warfare, palliative and curative... |
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First Comes Love, Then Comes Malaria: How a Peace Corps Poster Boy Won My Heart and a Third World Adventure Changed My Life by Eve Brown-Waite (Author) In this laugh-out-loud funny memoir, a pampered city girl falls head over little black heels in love with a Peace Corps poster boy and follows him —literally–to the ends of the earth. Eve Brown always thought she would join the Peace Corps someday, although she secretly worried about life without sushi, frothy coffee drinks and air conditioning. But with college diploma in hand, it was time to put up or shut up. So with some ambivalence she arrives at the Peace Corps office–sporting her best safari chic attire –to casually look into the steps one might take if one were to become a global humanitarian, a la Angelina Jolie. But when Eve meets John, her dashing young Peace Corps recruiter, all her ambivalence flies out the window. She absolutely must join the Peace Corps -... |
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Molecular Approaches to Malaria by Irwin W. Sherman (Editor) "Molecular Approaches to Malaria" provides an overview of the rapid and significant developments that have occurred in malaria research, including the 2002 genome sequencing of Plasmodium falciparum and its mosquito vector, Anopheles gambiae. This work: provides a concise source of up-to-date research findings; appeals to a diverse audience, including malaria researchers, teachers, investigators, and public health professionals; offers contributions by recognized malaria researchers with practical experience; and, presents comprehensive coverage of topics including a clearly written introduction to Plasmodium molecular biology. |
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Malaria: Fever Wars Starring: Artist Not Provided |
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Sea to Summit Personal Mosquito Shelter (Double) by Sea to Summit An indispensible item for traveling or backpacking in bug infested regions. The Sea to Summit Mosquito Net shelters are small, light and compact. Available in a Permetherin treated version. Handy stuff sack for easing packing included. Double version has 22 spreader pole that packs down to 6. |
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