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Medicine & Health / Genetics news 2345

Scientists Unravel Mystery of People with No Fingerprints

September 13, 2006 | User rating: 3.8 / 5 after 28 vote(s) | User comments: 1

Researchers at the Technion-Israel Institute of Technology have succeeded in unraveling the genetic basis of two rare congenital diseases in which afflicted persons have no fingerprints. The results will be published in the ...


Researchers reveal types of genes necessary for brain development

July 07, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet

Researchers from Harvard Medical School and Brandeis University have successfully completed a full-genome RNAi screen in neurons, showing what types of genes are necessary for brain development. Details of the screen and ...


Researchers close in on new melanoma gene

May 19, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

It has long been known that prolonged exposure to the suns harmful UV rays can lead to Melanoma, the deadliest form of skin cancer. An unanswered question, however, is why some people are more likely to develop melanoma than ...


Researchers develop improved gene therapy agent

May 19, 2008 | User rating: 4.8 / 5 after 14 vote(s) | User comments: 3

Replacing one amino acid on the surface of a virus that shepherds corrective genes into cells could be the breakthrough scientists have needed to make gene therapy a more viable option for treating genetic diseases such as ...


DNA code breaker tested theory on Jane Austen text

November 17, 2006 | User rating: 4.4 / 5 after 29 vote(s) | No comments yet

A researcher at the University of Bradford has perfected a computer programme that could unlock the secrets of the human genome and pave the way towards new treatments and drugs sooner than had been expected.


First reproducible connection made between genes and height in humans

September 02, 2007 | User rating: 4.5 / 5 after 15 vote(s) | No comments yet

It became clear nearly a century ago that many genes likely influence how tall a person grows, though little progress, if any, has followed in defining the myriad genes. Now an international research team brings light to ...


Getting to the roots of hair loss

February 24, 2008 | User rating: 3.9 / 5 after 19 vote(s) | User comments: 1

A healthy individual loses around a hundred hairs a day. Nothing to worry about as long as they are constantly replaced and the losses occur evenly around the whole scalp. But when hair loss goes well beyond this level it ...


Researchers find connection between caloric restriction and longevity

September 20, 2007 | User rating: 4.8 / 5 after 59 vote(s) | No comments yet

For nearly 70 years scientists have known that caloric restriction prolongs life. In everything from yeast to primates, a significant decrease in calories can extend lifespan by as much as one-third. But getting under the ...


Scientists discover small RNAs that regulate gene expression and protect the genome

May 13, 2008 | User rating: 4.4 / 5 after 5 vote(s) | User comments: 1

RNA is best known as a working copy of the DNA sequence of genes. In this role, it’s a carrier of the genes’ instructions to the cell, which manufactures proteins according to information in the RNA molecule.


A new gene trigger for pregnancy disorder identified

May 11, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

The COMT gene – known already for its role in schizophrenia – has been found to play a role in preeclampsia, according to a report in today’s advance on-line issue of Nature.


Probing Question: What makes somebody a morning person or a night owl?

November 30, 2006 | User rating: 3.4 / 5 after 32 vote(s) | No comments yet

I'm a dyed-in-the-wool morning guy: up at 5, nodding off by 9 p.m. My college-freshman son, on the other hand, is the proverbial night owl: up around noon, and I don't even want to know when he gets to bed.


A novel way found to prevent protein plaques implicated in Alzheimer's

November 18, 2007 | User rating: 4.9 / 5 after 28 vote(s) | No comments yet

For unknown reasons a protein called amyloid beta aggregates into toxic plaques in the brain, killing neurons. These plaques are one of the hallmarks of Alzheimer’s disease. Now two new animal studies show for the first time ...


Tiny genetic differences have huge consequences

January 19, 2008 | User rating: 4.8 / 5 after 26 vote(s) | User comments: 1

A study led by McGill University researchers has demonstrated that small differences between individuals at the DNA level can lead to dramatic differences in the way genes produce proteins. These, in turn, are responsible ...


New study supports a stem cell origin of cancer

January 09, 2007 | User rating: 4.3 / 5 after 19 vote(s) | No comments yet

Researchers at the University of Southern California (USC) recently made significant strides toward settling a decades-old debate centering on the role played by stem cells in cancer development.


Selection on genes underlying schizophrenia during human evolution

September 05, 2007 | User rating: 4.6 / 5 after 22 vote(s) | No comments yet

Several genes with strong associations to schizophrenia have evolved rapidly due to selection during human evolution, according to new research in the Proceedings of the Royal Society B.


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