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Medicine & Health / Genetics news 1234

Complexity of Crohn's disease revealed as 'gene' count tops 30

June 29, 2008 | User rating: 4.6 / 5 after 8 vote(s) | No comments yet

New research has trebled the number of genetic regions known to be implicated in Crohn's disease, a form of inflammatory bowel disease, to over thirty. The research, published today in the journal Nature Genetics, ...


Homosexual behavior due to genetics and environmental factors

June 29, 2008 | User rating: 4.4 / 5 after 37 vote(s) | User comments: 6

Homosexual behaviour is largely shaped by genetics and random environmental factors, according to findings from the world's largest study of twins.


Lack of fragile X and related gene fractures sleep

June 26, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

Lack of both the fragile X syndrome gene and one that is related could account for sleep problems associated with the disorder, which is the common cause of inherited mental impairment, said a consortium of researchers led ...


NYU biologists show how eye's neurons switch functions during metamorphosis

June 25, 2008 | User rating: not shown ( 2 vote(s) ) | No comments yet

Researchers at New York University's Center for Developmental Genetics report that the photoreceptors in an insect's eye can change their traditional functions during metamorphosis. The study appears in the most recent issue ...


Our genome changes over lifetime, Johns Hopkins experts say

June 25, 2008 | User rating: 4.8 / 5 after 32 vote(s) | No comments yet

May explain many 'late-onset' diseases
Researchers at Johns Hopkins have found that epigenetic marks on DNA-chemical marks other than the DNA sequence-do indeed change over a person's lifetime, and that the degree ...


Newly identified role for 'power plants' in human cells could lead to targeted therapies

June 24, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet

Scientists have determined that human cells are able to shift important gene products into their own mitochondria, considered the power plants of cells. The finding could eventually lead to therapies for dozens of diseases.


Eczema in infancy may be linked to cat ownership in those with a specific gene mutation

June 24, 2008 | User rating: not rated yet | No comments yet

A gene mutation and cat exposure at birth may increase a child's risk of developing eczema during their first year according to a study published in PLoS Medicine this week. Researchers led by Professor Hans Bisgaard ...


New paradigm for cell-specific gene delivery

June 23, 2008 | User rating: not shown ( 2 vote(s) ) | No comments yet

Researchers from Northwestern University and Texas A & M University have discovered a new way to limit gene transfer and expression to specific tissues in animals. In studies to determine how plasmids enter the nuclei of ...


DNA study unlocks mystery to diverse traits in dogs

June 22, 2008 | User rating: 4.1 / 5 after 25 vote(s) | User comments: 2

Discovery offers potential benefits for dogs and their owners
What makes a pointer point, a sheep dog herd, and a retriever retrieve? Why do Yorkshire terriers live longer than Great Danes? And ...


UC researchers find new ways to regulate genes, reduce heart damage

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

Researchers at the University of Cincinnati (UC) are looking for ways to reduce or prevent heart damage by starting where the problem often begins: in the genes.


New discovery proves 'selfish gene' exists

June 20, 2008 | User rating: 4 / 5 after 23 vote(s) | User comments: 5

A new discovery by a scientist from The University of Western Ontario provides conclusive evidence which supports decades-old evolutionary doctrines long accepted as fact.


Predicting the risk of a common fungal infection after stem cell transplantation

June 20, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet

In silico genetic analysis in mice has led to the discovery of a gene affecting susceptibility to a severe fungal infection in transplant recipients. In a study published June 20th in the open-access journal PLoS Genetics, ...


Gene-expression profiling of the effects of liver toxins

June 20, 2008 | User rating: not rated yet | No comments yet

Gene-expression data from liver tissue or whole blood can be used to classify histopathologic differences in the effects of hepatotoxins. It is hoped that these findings, published in BioMed Central's open access journal, ...


Researchers find an evolutionarily preserved signature in the primate brain

June 20, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

Researchers from Uppsala University, Karolinska Institute, and the University of Chicago, have determined that there are hundreds of biological differences between the sexes when it comes to gene expression in the cerebral ...


Scientists use Iceland's genealogical database to pinpoint the heritage of a deadly disease

June 20, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet

A collaboration of scientists from Iceland and the United States has used Iceland's genealogical database to trace the ancestors of patients suffering from hereditary cystatin C amyloid angiopathy (HCCAA). Analysis shows ...


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