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Elusive HIV shape change revealed; Key clue to how virus infects cells

Structural biologists at Children's Hospital Boston and Harvard Medical School have shown how a key part of the human immunodeficiency virus (HIV) changes shape, triggering other changes that allow the AIDS virus to enter and infect cells. Their findings, published in the Feb. 24 issue of the journal Nature, offer clues that will help guide vaccine and treatment approaches. Researchers led...

Timing is everything: First step in protein building revealed

Timing is everything, it seems, even inscience. A team led by Johns Hopkins scientists has unraveled the firststep in translating genetic information in order to build a protein,only to find that it's not one step but two.In a series of experiments, the scientists found that when yeast'sprotein-building machinery recognizes the starting line for a gene'sinstructions, it first alters its str...

Iron exporter revealed that may explain common human disorder

The first direct evidence that a single protein is critical in the cellular export of iron may help to explain human hemochromatosis, researchers report in the March issue of Cell Metabolism. Hemochromatosis--which affects one in every 200 to 300 people in Western populations --causes tissues of the body to become overloaded with iron. Left untreated, the hereditary disease can lead to org...

Vitamin A's paradoxical role in influencing symmetry during embryonic development revealed

In this week's journal Nature, scientists at the Salk Institute for Biological Studies report that they have solved one of the "holy grail" puzzles of developmental biology: the existence of a mechanism that insures that the exterior of our bodies is symmetrical while inner organs are arranged asymmetrically. In research with zebra fish, as a model for human biology, Juan-Carlos Belmonte a...

Malaria mechanism revealed

By determining the molecular structure of a protein that enables malaria parasites to invade red blood cells, researchers have uncovered valuable clues for rational antimalarial drug design and vaccine development. The findings are reported in the July 29 issue of the journal Cell. Malaria causes approximately 400 million clinical cases and 2 million deaths annually, with more than 80% of...

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Three dimensional structure of apolipoprotein revealed

Researchers from Gladstone Institute of Cardiovascular Disease have for the first time created the three dimensional structure of apolipoprotein E using X-ray crystallography. X-ray crystallography technique // is used for determining three dimensional structures so molecules by determining the x-ray diffraction patterns of the crystals present in molecules. Researchers feel that this new discove...

Breast cancer ignorance revealed

Three quarters of women over the age of 50 do not realise that breast cancer is more common as women age, according to a survey. Many are also ignorant about other facts which doctors say could save their lives by allowing them to seek treatment early.// One in five women over 50 do not check their breasts for changes from time to time, and the same percentage fail to attend br...

Metabolism cycle of Kala-Azar parasite revealed

Researchers have found that Leishmania parasite utilizes mannose for their metabolism// and growth different from human metabolism which requires glucose. Associate Professor Malcolm McConville and his research team from Bio21 Institute at the University of Melbourne have found a break thorough to control the spread of the parasite Leishmania in the blood. Leishmania is found to utili...

Secret Of Heart Failure Revealed

It is human nature that we want to know answers to everything. This gains special// importance when we talk about our own self. How often have we questioned the diseases that make our precious body their home? The answers just do not come. Researchers in a breakthrough have unraveled the mystery surrounding heart failure. They found that in the early stages of heart failure,...

Link between position and sense of smell revealed

Researchers have found that one can smell better when one is upright than when he is reclining. Humans tend to pick up better sense of smell when they are sitting or standing. // Johan Lundstrom, a post-doctoral researcher at the Montreal Neurological Institute said that there is a significant difference in the sense of smell depending on one’s position. Researche...

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(Date:8/29/2008)...esults of a 10-year study published in the August ...found that magnesium sulfate administered to women...he risk of cerebral palsy by 50 percent. The Benef...) trial was conducted in 18 centers in the U.S., i...renatal intervention ever found to reduce the inst...
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(Date:8/28/2008)...ion will be based in the Northeast region with mor...xt year, HARRISBURG, Pa., Aug. 28 /PRNewswire-USN...ity has hired a Patient Safety Liaison for the,Nor...eport to the,Pennsylvania Patient Safety Reporting...ylvania citizens., "Last year in focus groups wit...
Breaking Medicine News(10 mins):Health News:National study shows magensium sulfate reduces risk of cerebral palsy in premature births 2Health News:Dr. Joel Aronowitz, Specialist in Los Angeles Body Lift, Announces Plastic Surgery Options After Bariatric Surgery Weight Loss 2Health News:Dr. Joel Aronowitz, Specialist in Los Angeles Body Lift, Announces Plastic Surgery Options After Bariatric Surgery Weight Loss 3Health News:Dr. Joel Aronowitz, Specialist in Los Angeles Body Lift, Announces Plastic Surgery Options After Bariatric Surgery Weight Loss 4Health News:CRH Medical reports Q2 2008 results 2Health News:CRH Medical reports Q2 2008 results 3Health News:CRH Medical reports Q2 2008 results 4Health News:CRH Medical reports Q2 2008 results 5Health News:Pennsylvania Patient Safety Authority Hires Patient Safety Liaison to Help Healthcare Facilities Implement Guidance 2Health News:Pennsylvania Patient Safety Authority Hires Patient Safety Liaison to Help Healthcare Facilities Implement Guidance 3
(Date:8/29/2008)...ring cardiac procedures. Doctors performing heart ...es. , The IAEA is helping to raise awareness of ...related to medical uses of X-ray imaging systems. ...personnel is particularly acute in the case of len...erformed under X-ray fluoroscopic guidance. The pr...
(Date:8/29/2008)...latrines may be no more. , A University of Cali...ist Walter Leal has discovered a low-cost, easy-to...s without making humans hold their noses. , The ...mine and nonanal in low doses, is just as enticing...eal said, but this one is odorless to humans. , ...
(Date:8/28/2008)... end the day with displays of reptilian strength -... neck flap, or dewlap -- to defend their territory... visual species, so in that sense it is not surpri...erritory," said Terry J. Ord, a postdoctoral resea...um of Comparative Zoology. The lizards are the fir...
(Date:8/28/2008)...) A WCS report reveals surprisingly large populati...cted area in Cambodia., , The report counted 42...ellow-cheeked crested gibbons in Cambodia,s Seima ...epresents the largest known populations for both s...d the surveys with the Royal Government of Cambodi...
Breaking Biology News(10 mins):Protecting those who heal 2No more big stink: scent lures mosquitoes, but humans can't smell it 2Feats of strength begin a lizard's day 2Unexpected large monkey population discovered 2NEXCORE Technology Obtains Licenses for Revolutionary Fluid Management System 2641 1NEXCORE Technology Obtains Licenses for Revolutionary Fluid Management System 2641 2Angiotech and Symphony Medical Announce Licensing Agreement 2636 1Angiotech and Symphony Medical Announce Licensing Agreement 2636 2Angiotech and Symphony Medical Announce Licensing Agreement 2636 3Angiotech and Symphony Medical Announce Licensing Agreement 2636 4Angiotech and Symphony Medical Announce Licensing Agreement 2636 5Angiotech and Symphony Medical Announce Licensing Agreement 2636 6Forsyth launches 1 of a kind core service to enable rapid identification of bacterial samples 9719 1Forsyth launches 1 of a kind core service to enable rapid identification of bacterial samples 9719 2Cancer stem cell marker also drives transcription in normal cells 9714 1Cancer stem cell marker also drives transcription in normal cells 9714 2Cancer stem cell marker also drives transcription in normal cells 9714 3
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