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Biological Science 
Johns Hopkins and other researchers report what is believed to be the first direct evidence in lab animals that the erectile dysfunction drug sildenafil amplifies the effects of a heart-protective protein.
Source: Johns Hopkins Medical Institutions
Posted on: Monday, Jan 05, 2009, 7:08pm
Rating: Not Rated | Views: 29 | Comments: 0
Posted on: Monday, Jan 05, 2009, 7:08pm
Rating: Not Rated | Views: 29 | Comments: 0
The study of ancient microbes may not seem consequential, but such pioneering research at the University of Oklahoma has implications for the state of modern human health. Cecil Lewis, assistant professor in the Department of Anthropology, says results of this research raise questions about the microbes living on and within people.
Source: University of Oklahoma
Posted on: Monday, Jan 05, 2009, 5:11pm
Rating: Not Rated | Views: 27 | Comments: 0
Posted on: Monday, Jan 05, 2009, 5:11pm
Rating: Not Rated | Views: 27 | Comments: 0
Women with bulimia nervosa appear to respond more impulsively during psychological testing than those without eating disorders, and brain scans show differences in areas responsible for regulating behavior, according to a report in the January issue of Archives of General Psychiatry, one of the JAMA/Archives journals.
Source: JAMA and Archives Journals
Posted on: Monday, Jan 05, 2009, 5:08pm
Rating: Not Rated | Views: 26 | Comments: 0
Posted on: Monday, Jan 05, 2009, 5:08pm
Rating: Not Rated | Views: 26 | Comments: 0
Scientists at Burnham Institute for Medical Research (Burnham) have demonstrated important new roles for the protein kinase complex Cdc7/Dbf4 or Cdc7/Drf1 (Ddk) in monitoring damage control during DNA replication and reinitiating replication following DNA repair.
Source: Burnham Institute
Posted on: Monday, Jan 05, 2009, 5:08pm
Rating: Not Rated | Views: 12 | Comments: 0
Posted on: Monday, Jan 05, 2009, 5:08pm
Rating: Not Rated | Views: 12 | Comments: 0
Scientists at the Stanford University School of Medicine and at UC-San Francisco have succeeded in isolating stem cells from human testes. The cells bear a striking resemblance to embryonic stem cells — they can differentiate into each of the three main types of tissues of the body — but the researchers caution against viewing them as one and the same.
Source: Stanford University Medical Center
Posted on: Monday, Jan 05, 2009, 5:08pm
Rating: Not Rated | Views: 17 | Comments: 0
Posted on: Monday, Jan 05, 2009, 5:08pm
Rating: Not Rated | Views: 17 | Comments: 0
Scientists have discovered that a certain type of collagen, collagen VI, protects brain cells against amyloid-beta (Aβ) proteins, which are widely thought to cause Alzheimer's disease (AD).
Source: Gladstone Institutes
Posted on: Monday, Jan 05, 2009, 2:16pm
Rating: Not Rated | Views: 18 | Comments: 0
Posted on: Monday, Jan 05, 2009, 2:16pm
Rating: Not Rated | Views: 18 | Comments: 0
The mystery of why ancient South American peoples who created the mysterious Nazca Lines also collected human heads as trophies has long puzzled scholars who theorize the heads may have been used in fertility rites, taken from enemies in battle or associated with ancestor veneration.
Source: Field Museum
Posted on: Monday, Jan 05, 2009, 11:49am
Rating: Not Rated | Views: 21 | Comments: 0
Posted on: Monday, Jan 05, 2009, 11:49am
Rating: Not Rated | Views: 21 | Comments: 0
With cold and flu season in full swing, the fact that viruses and bacteria rapidly evolve is apparent with every sneeze, sniffle, and cough.
Source: Federation of American Societies for Experimental Biology
Posted on: Monday, Jan 05, 2009, 9:28am
Rating: Not Rated | Views: 48 | Comments: 0
Posted on: Monday, Jan 05, 2009, 9:28am
Rating: Not Rated | Views: 48 | Comments: 0
Mutations in the nuclear intermediate filament lamin A/C (LMNA) gene are associated with Emery-Dreifuss muscular dystrophy, but cause the disease by unknown mechanisms. Méjat et al. show that one mechanism involves the disruption of neuromuscular junctions.
Source: Rockefeller University Press
Posted on: Monday, Jan 05, 2009, 9:27am
Rating: Not Rated | Views: 35 | Comments: 0
Posted on: Monday, Jan 05, 2009, 9:27am
Rating: Not Rated | Views: 35 | Comments: 0
Adults with diabetes experience a slowdown in several types of mental processing, which appears early in the disease and persists into old age, according to new research. Given the sharp rise in new cases of diabetes, this finding means that more adults may soon be living with mild but lasting deficits in their thought processes.
Source: American Psychological Association
Posted on: Monday, Jan 05, 2009, 9:27am
Rating: Not Rated | Views: 35 | Comments: 0
Posted on: Monday, Jan 05, 2009, 9:27am
Rating: Not Rated | Views: 35 | Comments: 0
MIT engineers have developed a new, highly efficient way to pair up cells so they can be fused together into a hybrid cell.
Source: Massachusetts Institute of Technology
Posted on: Monday, Jan 05, 2009, 9:11am
Rating: Not Rated | Views: 24 | Comments: 0
Posted on: Monday, Jan 05, 2009, 9:11am
Rating: Not Rated | Views: 24 | Comments: 0
Researchers from Duke University Medical Center have identified a variation in a particular gene that increases susceptibility to early coronary artery disease. For years, scientists have known that the devastating, early-onset form of the disease was inherited, but they knew little about the gene(s) responsible until now.
Source: Public Library of Science
Posted on: Monday, Jan 05, 2009, 9:11am
Rating: Not Rated | Views: 25 | Comments: 0
Posted on: Monday, Jan 05, 2009, 9:11am
Rating: Not Rated | Views: 25 | Comments: 0
A network of emotion-regulating brain regions implicated in the pathological worry that can grip patients with anxiety disorders may also be useful for predicting the benefits of treatment.
Source: University of Wisconsin-Madison
Posted on: Friday, Jan 02, 2009, 1:39pm
Rating: Not Rated | Views: 66 | Comments: 0
Posted on: Friday, Jan 02, 2009, 1:39pm
Rating: Not Rated | Views: 66 | Comments: 0
Neurologists have observed for decades that Lewy bodies, clumps of aggregated proteins inside cells, appear in the brains of patients with Parkinson's disease and other neurodegenerative diseases.
Source: Emory University
Posted on: Friday, Jan 02, 2009, 1:39pm
Rating: Not Rated | Views: 52 | Comments: 0
Posted on: Friday, Jan 02, 2009, 1:39pm
Rating: Not Rated | Views: 52 | Comments: 0
A team of Johns Hopkins neuroscientists has worked out how some newly discovered light sensors in the eye detect light and communicate with the brain. The report appears online this week in Nature.
Source: Johns Hopkins Medical Institutions
Posted on: Wednesday, Dec 31, 2008, 1:40pm
Rating: Not Rated | Views: 83 | Comments: 0
Posted on: Wednesday, Dec 31, 2008, 1:40pm
Rating: Not Rated | Views: 83 | Comments: 0
A research team from the University of California, San Diego School of Medicine has identified a protein produced by cancerous lung epithelial cells that enhances metastasis by stimulating the activity of inflammatory cells.
Source: University of California - San Diego
Posted on: Wednesday, Dec 31, 2008, 1:40pm
Rating: Not Rated | Views: 67 | Comments: 0
Posted on: Wednesday, Dec 31, 2008, 1:40pm
Rating: Not Rated | Views: 67 | Comments: 0
In a finding that could significantly influence the way type 1 diabetes is treated, researchers at Albert Einstein College of Medicine of Yeshiva University have developed a technique for transplanting insulin-producing pancreatic cells that causes only a minimal immune response in recipients.
Source: Albert Einstein College of Medicine
Posted on: Wednesday, Dec 31, 2008, 12:57pm
Rating: Not Rated | Views: 66 | Comments: 0
Posted on: Wednesday, Dec 31, 2008, 12:57pm
Rating: Not Rated | Views: 66 | Comments: 0
Scientists have new information about the complex genetic signature associated with Alzheimer's disease, the leading cause of cognitive decline and dementia in the elderly.
Source: Cell Press
Posted on: Wednesday, Dec 31, 2008, 12:56pm
Rating: Not Rated | Views: 71 | Comments: 0
Posted on: Wednesday, Dec 31, 2008, 12:56pm
Rating: Not Rated | Views: 71 | Comments: 0
Long-term gene therapy resulted in improved cardiac function and reversed deterioration of the heart in rats with heart failure, according to a recent study conducted by researchers at Thomas Jefferson University’s Center for Translational Medicine. The study was published online in Circulation.
Source: Newswise
Posted on: Tuesday, Dec 30, 2008, 12:13pm
Rating: Not Rated | Views: 67 | Comments: 0
Posted on: Tuesday, Dec 30, 2008, 12:13pm
Rating: Not Rated | Views: 67 | Comments: 0
For risk-takers and impulsive people, New Year's resolutions often include being more careful, spending more frugally and cutting back on dangerous behavior, such as drug use. But new research from Vanderbilt finds that these individuals--labeled as novelty seekers by psychologists--face an uphill battle in keeping their New Year's resolutions due to the way their brains process dopamine.
Source: Vanderbilt University
Posted on: Tuesday, Dec 30, 2008, 12:13pm
Rating: Not Rated | Views: 58 | Comments: 0
Posted on: Tuesday, Dec 30, 2008, 12:13pm
Rating: Not Rated | Views: 58 | Comments: 0
Articles From the Web
Beloved Pets Everlasting?
Living with the clones of a dead dog has its surprises. The DNA may be the same but the behavior is another story.
Living with the clones of a dead dog has its surprises. The DNA may be the same but the behavior is another story.
Sharks have wimpy bites, study finds
Sharks have wimpy bites for their size and can crunch through their prey only because they have very sharp teeth -- and because they can grow to be so big
Sharks have wimpy bites for their size and can crunch through their prey only because they have very sharp teeth -- and because they can grow to be so big
Couple Has 'Black and White' Twins Twice
A U.K. couple has yet another set of twins who appear to be of different races.
A U.K. couple has yet another set of twins who appear to be of different races.
Scientists: True love can last a lifetime
Love's first blush fading? Lost that loving feeling? Love is not all around? Sick of cliches? Take heart, scientists have discovered that people can have a love that lasts a lifetime.
Love's first blush fading? Lost that loving feeling? Love is not all around? Sick of cliches? Take heart, scientists have discovered that people can have a love that lasts a lifetime.
7,600 fossils found at China's 'Dinosaur City'
Scientists in China say they have discovered the world's largest dinosaur fossil site in the eastern province of Shandong
Scientists in China say they have discovered the world's largest dinosaur fossil site in the eastern province of Shandong
First vertebrate eye to use mirror instead of lens
The bizarre-looking spookfish has eyes that use mirrors to pick up on the ocean's bioluminescence
The bizarre-looking spookfish has eyes that use mirrors to pick up on the ocean's bioluminescence
Source: New Scientist
Posted on: Tuesday, Dec 30, 2008, 9:20am
Rating: Not Rated | Views: 36 | Comments: 0
Posted on: Tuesday, Dec 30, 2008, 9:20am
Rating: Not Rated | Views: 36 | Comments: 0
Source: ABC News
Posted on: Tuesday, Dec 30, 2008, 9:20am
Rating: Not Rated | Views: 30 | Comments: 0
Posted on: Tuesday, Dec 30, 2008, 9:20am
Rating: Not Rated | Views: 30 | Comments: 0
Amateurs are trying genetic engineering at home
The Apple computer was invented in a garage. Same with the Google search engine. Now, tinkerers are working at home with the basic building blocks of life itself.
The Apple computer was invented in a garage. Same with the Google search engine. Now, tinkerers are working at home with the basic building blocks of life itself.
Source: USA Today
Posted on: Monday, Dec 29, 2008, 11:44am
Rating: Not Rated | Views: 22 | Comments: 0
Posted on: Monday, Dec 29, 2008, 11:44am
Rating: Not Rated | Views: 22 | Comments: 0
Ancient Rock Piles Reveal Early American Cuisine
Fire-cracked rock piles found across North America received little scientific attention for decades, but two new studies reveal their importance as early Native American earth ovens.
Fire-cracked rock piles found across North America received little scientific attention for decades, but two new studies reveal their importance as early Native American earth ovens.
Source: Discovery Channel
Posted on: Tuesday, Dec 23, 2008, 12:26pm
Rating: Not Rated | Views: 47 | Comments: 0
Posted on: Tuesday, Dec 23, 2008, 12:26pm
Rating: Not Rated | Views: 47 | Comments: 0
A Highly Evolved Propensity for Deceit
When considering the behavior of putative scam operators like Bernard “Ponzi scheme” Madoff or Rod “Potty Mouth” Blagojevich, feel free to express a sense of outrage, indignation, disgust, despair, amusement, schadenfreude. But surprise? Don’t make me laugh.
When considering the behavior of putative scam operators like Bernard “Ponzi scheme” Madoff or Rod “Potty Mouth” Blagojevich, feel free to express a sense of outrage, indignation, disgust, despair, amusement, schadenfreude. But surprise? Don’t make me laugh.
This Is Your Brain After You're Fired
What happens to someone's mind when he or she suddenly gets laid off? Richard Price, professor of psychology at the University of Michigan, explores the "chain" of adversity.
What happens to someone's mind when he or she suddenly gets laid off? Richard Price, professor of psychology at the University of Michigan, explores the "chain" of adversity.
Scientist: Stem cells could end animal testing
As well as their potential for creating effective therapies for debilitating diseases, embryonic stem cells could open the door to more effective pharmaceutical drug testing, according to a leading British stem cell researcher.
As well as their potential for creating effective therapies for debilitating diseases, embryonic stem cells could open the door to more effective pharmaceutical drug testing, according to a leading British stem cell researcher.
Source: CNN.com
Posted on: Tuesday, Dec 23, 2008, 10:57am
Rating: Not Rated | Views: 45 | Comments: 0
Posted on: Tuesday, Dec 23, 2008, 10:57am
Rating: Not Rated | Views: 45 | Comments: 0
Ancient 'Treasure' Found in Farmer's Bookshelf
Italian police find 2,600-year-old offering jars in the least expected of places.
Italian police find 2,600-year-old offering jars in the least expected of places.
Source: Discovery Channel
Posted on: Tuesday, Dec 23, 2008, 10:57am
Rating: Not Rated | Views: 39 | Comments: 0
Posted on: Tuesday, Dec 23, 2008, 10:57am
Rating: Not Rated | Views: 39 | Comments: 0
Two 4,300-year-old tombs unveiled near Cairo
A pair of 4,300-year-old pharaonic tombs discovered at Saqqara indicate that the sprawling necropolis south of Cairo is even larger than previously thought
A pair of 4,300-year-old pharaonic tombs discovered at Saqqara indicate that the sprawling necropolis south of Cairo is even larger than previously thought
Source: USA Today
Posted on: Tuesday, Dec 23, 2008, 10:56am
Rating: Not Rated | Views: 29 | Comments: 0
Posted on: Tuesday, Dec 23, 2008, 10:56am
Rating: Not Rated | Views: 29 | Comments: 0
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