Harvard Medical School
Endothelium, heal thyself: A fresh look at this resilient, adaptable tissue
(Medical Xpress)—The endothelium, the cellular layer lining the body's blood vessels, is extremely resilient. Measuring just a few hundred nanometers in thickness, this super-tenuous structure routinely ...
Medical research
May 16, 2013 |
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New cancer driver found: Monoclonal antibody therapy stops tumor growth in mice
(Medical Xpress)—Approximately 90 percent of cancers start within tissues that form the inner linings of various organs. Decades of accumulated genetic mutations can, on occasion, induce cells specialized ...
Cancer
May 08, 2013 |
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New study validates longevity pathway: Findings identify universal mechanism for activating anti-aging pathway
A new study demonstrates what researchers consider conclusive evidence that the red wine compound resveratrol directly activates a protein that promotes health and longevity in animal models. What's more, the researchers ...
Medical research
Mar 07, 2013 |
4.8 / 5 (20) |
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World's most advanced genetic map created
A consortium led by scientists at the University of Oxford and Harvard Medical School has constructed the world's most detailed genetic map.
Genetics
Jul 20, 2011 |
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Researchers rebuild the brain's circuitry
Neuron transplants have repaired brain circuitry and substantially normalized function in mice with a brain disorder, an advance indicating that key areas of the mammalian brain are more reparable than was ...
Neuroscience
Nov 24, 2011 |
4.6 / 5 (20) |
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New clue to Parkinson's: Shape of key protein surprises researchers
A new study finds that a protein key to Parkinson's disease has likely been mischaracterized. The protein, alpha-synuclein, appears to have a radically different structure in healthy cells than previously thought, challenging ...
Medical research
Aug 14, 2011 |
4.8 / 5 (17) |
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Millions pass up free health subsidy
Millions of seniors are turning down free money. The Low Income Subsidy for Medicare Part D is a rare beast in economics research. The subsidy provides prescription drug coverage essentially free for low-income adults. That ...
Health
May 06, 2013 |
5 / 5 (1) |
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Bacterial genes tell the tale of an outbreak's evolution
Researchers at Harvard Medical School and Children's Hospital Boston have retraced the evolution of an unusual bacterial infection as it spread among cystic fibrosis patients by sequencing scores of samples collected during ...
Genetics
Nov 13, 2011 |
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Fight control: Researchers link individual neurons to regulation of aggressive behavior in flies
(Medical Xpress)—Scientists have long pondered the roots of aggression—and ways to temper it. Now, new research is beginning to illuminate the cellular-level circuitry responsible for modulating aggression ...
Neuroscience
Apr 19, 2013 |
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A new wrinkle for botox: Research reveals how botulinum toxins affect neuron survival
(Medical Xpress)—Botulinum toxins are feared as a food poison and bioterror threat, and for good reason. It takes only minute amounts of these bacterial toxins to block signals from nerve cells that control ...
Medical research
Mar 27, 2013 |
3.5 / 5 (2) |
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Learning from Lassa virus: Researchers discover gene mutations that can result in a congenital disorder
(Medical Xpress)—Researchers have known that two seemingly distant human maladies—a devastating set of hereditary disorders called Walker-Warburg syndrome and infection with the virus that causes hemorrhagic ...
Medical research
Mar 22, 2013 |
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Genetic mutation implicated in 'broken' heart
For decades, researchers have sought a genetic explanation for idiopathic dilated cardiomyopathy (DCM), a weakening and enlargement of the heart that puts an estimated 1.6 million Americans at risk of heart failure each year. ...
Genetics
Feb 15, 2012 |
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First animal model of recent human evolution
The first animal model of recent human evolution reveals that a single mutation produced several traits common in East Asian peoples, from thicker hair to denser sweat glands, an international team of researchers reports.
Genetics
Feb 14, 2013 |
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For our guts, not just any microbiome will do
Gut bacteria's key role in immunity is tuned to the host species, researchers have found, suggesting that the superabundant microbes lining our digestive tract evolved with us—a tantalizing clue in the mysterious recent ...
Medical research
Jun 21, 2012 |
5 / 5 (5) |
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Ills of aging blood: Short-circuited stem cell programming linked to failing blood development
As blood stem cells age, changes in the epigenome—the system that regulates which genes are switched on and which are switched off throughout the body—alter these cells in ways that lead to reduced immune ...
Medical research
Feb 15, 2013 |
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