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Medicine & Health / Genetics news 3456

Location, location, location important for genes, too

August 29, 2008 | User rating: 4.4 / 5 after 7 vote(s) | No comments yet

Cells become cancerous mainly because they lose control of their growth. To better understand how this happens, a new study at Ohio State University's Comprehensive Cancer Center looks at four genes that help regulate cell ...


First gene associated with dry macular degeneration found

August 27, 2008 | User rating: 5 / 5 after 5 vote(s) | No comments yet

In a study that underscores the important role that individual genetic profiles will play in the development of new therapies for disease, a multi-institutional research team – led by Kang Zhang, MD, PhD professor of ophthalmology ...


Genetic predisposition may play a role in anxiety disorders

August 27, 2008 | User rating: 4.2 / 5 after 6 vote(s) | No comments yet

Finnish scientists have identified genes that may predispose to anxiety disorders. Research conducted under the supervision of Academy Research Fellow Iiris Hovatta have focused on genes that influence human behaviour, and ...


Gene that causes childhood cancer neuroblastoma is found

August 25, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

Scientists have discovered gene mutations that are the main cause of the inherited version of the childhood cancer neuroblastoma. In addition, the researchers found that the same mutations play a significant role in high-risk ...


Researchers define characteristics, treatment options for XXYY syndrome

August 23, 2008 | User rating: 4.3 / 5 after 10 vote(s) | No comments yet

Researchers at the UC Davis M.I.N.D. Institute and The Children's Hospital in Denver have conducted the largest study to date describing the medical and psychological characteristics of a rare genetic disorder in which males ...


Genome of simplest animal reveals ancient lineage, confounding array of complex capabilities

August 22, 2008 | User rating: 4.7 / 5 after 7 vote(s) | No comments yet

As Aesop said, appearances are deceiving—even in life's tiniest critters. From first detection in the 1880s, clinging to the sides of an aquarium, to its recent characterization by the U.S. Department of ...


Munich researchers discover key allergy gene

August 22, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet

Together with colleagues from the Department of Dermatology and Allergy and the Center for Allergy and Environment of the Technische Universität München, scientists at the Helmholtz Zentrum München have pinpointed a major ...


Scientists uncover molecule that keeps pathogens like salmonella in check

August 21, 2008 | User rating: not shown ( 2 vote(s) ) | No comments yet

Scientists at UT Southwestern Medical Center have found a potential new way to stop the bacteria that cause gastroenteritis, tularemia and severe diarrhea from making people sick.


Exploding chromosomes fuel research about evolution of genetic storage

August 21, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet

Human cells somehow squeeze two meters of double-stranded DNA into the space of a typical chromosome, a package 10,000 times smaller than the volume of genetic material it contains.


Largest study of its kind implicates gene abnormalities in bipolar disorder

August 17, 2008 | User rating: 4.9 / 5 after 14 vote(s) | No comments yet

A large genetic study of bipolar disorder has implicated machinery that balances levels of sodium and calcium in neurons. The disorder was associated with variation in two genes that make components of such ion channels. ...


Gene's newly explained effect on height may change tumor disorder treatment

August 11, 2008 | User rating: not shown ( 2 vote(s) ) | No comments yet

A mutation that causes a childhood tumor syndrome also impairs growth hormone secretion, researchers at Washington University School of Medicine in St. Louis have found.


New insight into most common forebrain malformation

August 11, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet

St. Jude Children's Research Hospital scientists have identified one of the molecular mechanisms underlying the genetic brain malformation called holoprosencephaly (HPE). The findings not only yield insights into the most ...


Maelstrom quashes jumping genes

August 11, 2008 | User rating: 4.8 / 5 after 5 vote(s) | No comments yet

Scientists have known for decades that certain genes (called transposons) can jump around the genome in an individual cell. This activity can be dangerous, however, especially when it arises in cells that produce eggs and ...


Large reservoir of mitochondrial DNA mutations identified in humans

August 11, 2008 | User rating: 4.6 / 5 after 20 vote(s) | User comments: 5

Researchers at the University of Newcastle, England, and the Virginia Bioinformatics Institute at Virginia Tech in the United States have revealed a large reservoir of mitochondrial DNA mutations present in the general population. ...


Obesity genes revealed

August 11, 2008 | User rating: 4.6 / 5 after 8 vote(s) | No comments yet

A study of 228 women has revealed genetic variants responsible for body shape. Based on work in the fruit fly Drosophila melanogaster, research published today in the open access journal BMC Genetics identifies natural ...


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