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Last Updated:
Thu, 23 Oct 2014, 21:10 GMT
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Health News - Genetics

Scripps Research Institute scientists capture picture of 'microRNA' in action
Biologists at The Scripps Research Institute (TSRI) have described the atomic-level workings of "microRNA" molecules, which control the expression of genes in all animals and plants. (Medical News Today)

Solution to 14-year mystery has implications for cancer therapies and drug delivery
Do blood vessels that feed tumors differ from other blood vessels? Fourteen years ago, experiments designed to answer that question led to the discovery of several genes that are more active in... (Medical News Today)

Hot on the trail of the Asian tiger mosquito
Scientists use the new discipline of landscape genetics to follow a 'flying syringe'Aedes albopictus, the Asian tiger mosquito, is an aggressive daytime biter and a potential disease vector. (Medical News Today)

Why targeted drug doesn't benefit patients with early-stage lung cancer
The drug erlotinib is highly effective in treating advanced-stage lung cancer patients whose tumors have a particular gene change, but when the same drug is used for patients with early-stage tumors... (Medical News Today)

Ancient viruses regenerated from 700-year-old frozen reindeer poop
Our knowledge of long-dead viruses is limited by their poor preservation in ancient specimens. Now, molecular genetics shows it is possible to regenerate them from frozen samples. (Medical News Today)

Keratins are important in tooth enamel structure
Tooth decay is one of the most common chronic diseases worldwide. While oral hygiene and dietary choices promote tooth decay, genetics are also a factor in cavity formation. (Medical News Today)

First atlas of body clock gene expression informs timing of drug delivery
A new effort mapping 24-hr patterns of expression for thousands of genes in 12 different mouse organs - five years in the making - provides important clues about how the role of timing may influence... (Medical News Today)

Neutralizing an immune system gene could improve the success of fertility treatments in women
Difficulty in conceiving a child is a major challenge for one in seven heterosexual couples in America, especially for those over the age of 35. (Medical News Today)

Response to statins influenced by genetic variants
A large analysis of over 40,000 individuals on statin treatment has identified two new genetic variants which influence how 'bad' cholesterol levels respond to statin therapy. (Medical News Today)

Researchers find viral switches share a shape
A hinge in the RNA genome of the virus that causes hepatitis C works like a switch that can be flipped to prevent it from replicating in infected cells. (Medical News Today)

Insight into how cells copy chromosomes important for fighting cancer
How cells unpack their chromosomes, unravel their long strands of DNA and copy them is a bit of a mystery. Now, discovery of a key step could be important for cancer research. (Medical News Today)

Western University researchers identify potential therapeutic target for osteoarthritis
Researchers at Western University have identified a specific gene that plays a key role in the degradation of cartilage in osteoarthritis (OA). (Medical News Today)

Mutation might make colorectal, endometrial tumors sensitive to new cancer drugs
Scientists say they have identified in about 20 percent of colorectal and endometrial cancers a genetic mutation that had been overlooked in recent large, comprehensive gene searches. (Medical News Today)

Gene identified for immune system reset after infection
When pathogenic bacteria like Salmonella or Staphylococcus invade a host, the host organism should respond by going into a state of high alert, altering its metabolism to defend against the attack. (Medical News Today)

Gene that once aided survival in the Arctic found to have negative impact on health today
In individuals living in the Arctic, researchers have discovered a genetic variant that arose thousands of years ago and most likely provided an evolutionary advantage for processing high-fat diets... (Medical News Today)

Down syndrome study reveals clues to genetics of congenital heart defects
Down syndrome is the most common chromosomal abnormality in humans, involving a third copy of all or part of chromosome 21. (Medical News Today)

Cheap, fast 'paper strip' test for Ebola, other infections, steps closer
Cheap, fast reliable field tests for diseases like Ebola that use just drops of blood or saliva on strips of paper are getting closer, say scientists working on synthetic biology. (Medical News Today)

Europe approves novel Australian drug developed for rare sun disease
The first new pharmaceutical drug invented and developed for an untreated disorder by any Australian company has received regulatory approval from the European Medicines Agency (EMA). (Medical News Today)

TCGA study improves understanding of genetic drivers of thyroid cancer
A comprehensive analysis of the genomes of nearly 500 papillary thyroid carcinomas (PTC) - the most common form of thyroid cancer - has provided new insights into the roles of frequently mutated... (Medical News Today)

Steadily rising increases in mitochondrial DNA mutations cause abrupt shifts in disease
New work by a pioneering scientist details how subtle changes in mitochondrial function may cause a broad range of common metabolic and degenerative diseases. (Medical News Today)

Silencing the speech gene FOXP2 causes breast cancer cells to metastasize
It is an intricate network of activity that enables breast cancer cells to move from the primary breast tumor and set up new growths in other parts of the body, a process known as metastasis. (Medical News Today)

New ALS associated gene identified using innovative strategy
Using an innovative exome sequencing strategy, a team of international scientists led by John Landers, PhD, at the University of Massachusetts Medical School has shown that TUBA4A, the gene... (Medical News Today)

Alzheimer's-Down syndrome relationship explained
Almost all people with Down syndrome develop some signs of Alzheimer's disease. Researchers now claim to have mapped the mechanism driving this association. (Medical News Today)

Texas A&M research sheds light on genetic causes underlying the disqualification of two elite American Standardbred pacers
A DNA mutation that can lead to horses being genetically male, but female in appearance, may explain at least two cases of controversial sexual identity, according to research led by professors... (Medical News Today)

New gene linked to blindness and Parkinson's diseases
The retinal pigment epithelium (RPE) is a tissue, which lines the back of the eye. (Medical News Today)

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