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Last Updated:
Tue, 26 May 2015, 05:00 GMT
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Health News - Biology/Biochemistry

Modern alchemy: Scripps research institute chemists devise synthesis of valuable exotic compounds
Chemists at The Scripps Research Institute (TSRI) have discovered a broad and strikingly inexpensive method for synthesizing "amines," a class of organic compounds prominent in drugs and other... (Medical News Today)

Our bond with dogs may go back more than 27,000 years
Dogs' special relationship to humans may go back 27,000 to 40,000 years, according to genomic analysis of an ancient Taimyr wolf bone reported in the Cell Press journal Current Biology. (Medical News Today)

A quarter of healthy skin cells possess cancer-related mutations, study finds
Using genetic sequencing on skin biopsies from cancer-free patients, researchers find that around 25% of normal skin cells contain mutations linked to a common form of skin cancer. (Medical News Today)

One simple molecule regulates sexual behavior in Drosophila
The common vinegar fly Drosophila melanogaster is a very well-studied animal. For decades, the fly has been used as a model organism in genetic research; its genome was fully sequenced in 2000. (Medical News Today)

Study discovers how pancreatic cancer spreads to the liver
An international team led by Weill Cornell Medical College investigators has illuminated the precise molecular steps that enable pancreatic cancer to spread to the liver - the event that makes the... (Medical News Today)

Body's 'serial killers' captured on film destroying cancer cells
A dramatic video has captured the behaviour of cytotoxic T cells - the body's 'serial killers' - as they hunt down and eliminate cancer cells before moving on to their next target. (Medical News Today)

Chameleon proteins make individual cells visible
Researchers at ETH Zurich's Department of Biosystems Science and Engineering in Basel have developed a new microscopy technique that enables for the first time to selectively visualize individual... (Medical News Today)

Differences in tumor cell metabolism affect growth, invasion and response, says Moffitt researchers
Mathematical modeling shows that cells in the center of a tumor have a different metabolism, which results in more aggressive behaviorCells within a tumor are not the same; they may have... (Medical News Today)

'Love hormone' has similar properties to alcohol
It is labeled the 'love hormone,' but a new study claims there is a darker side to oxytocin - it influences our actions in a similar way to alcohol. (Medical News Today)

Earlier puberty and stunted growth in boys linked to marijuana use
Boys who smoke marijuana may be at increased risk of earlier puberty and stunted growth, according to new research. This may be down to stress responses triggered by the drug. (Medical News Today)

New chip traps clusters of migrating tumor cells
A new microchip that captures rare clusters of tumor cells migrating in the blood will aid investigation into the deadly process of metastasis, or cancer spread. (Medical News Today)

Soft-tissue engineering for hard-working cartilage
Advance in 3-D printing could have broad applicationsConfocal laser microscopy of a scaffold populated with human mesenchymal precursor cells. Credit: D. (Medical News Today)

CLAIRE brings electron microscopy to soft materials
Berkeley researchers develop breakthrough technique for noninvasive nanoscale imagingSoft matter encompasses a broad swath of materials, including liquids, polymers, gels, foam and - most... (Medical News Today)

Who should pay the price?
Social dilemmas, in which an individual profits from selfishness, unless the whole group chooses the selfish option, have long provided an academic challenge. (Medical News Today)

Do flies have fear (or something like it)?
When fruit flies respond to the threat of an overhead shadow, are they afraid? That's a hard question to answer, say researchers reporting in the Cell Press journal Current Biology. (Medical News Today)

Likely trigger for autoimmune disease found in newly-discovered rogue cells
A new study suggests autoimmune disease arises when the body fails to eliminate rogue versions of cells that make high-affinity antibodies. (Medical News Today)

TSRI researchers investigate an enzyme important for nervous system health
New 'map' of protein helps researchers understand cellular transportScientists from The Scripps Research Institute (TSRI), working closely with researchers at the National Institutes of Health... (Medical News Today)

Gene sheds light on development of type 1 diabetes, autoimmune disease
Researchers probe a gene that appears fundamental to the development of autoimmunity, revealing new clues into why the immune systems targets the body's own tissue. (Medical News Today)

Research papers identify key steps in cell division - and potential to inhibit cancer cell division
An international consortium of scientists led by a group from the University of Leicester has announced a new advance in understanding the mechanisms of cancer and how to target it more effectively... (Medical News Today)

Cancer cells 'disguise themselves as immune cells' to spread via lymphatic system, study finds
One route through which cancer spreads to other parts of the body is the lymph system. Now, a new study shows how cancer cells disguise themselves as white blood cells to do this. (Medical News Today)

Personal microbiomes could uniquely identify individuals
Scientists have demonstrated that the microbial communities are as unique to the individual as fingerprints and could be used as a form of identification. (Medical News Today)

Genetic changes to basic developmental processes evolve more frequently than thought
Newly-evolved genes can rapidly assume control over important functions during development, fly study revealsA wild-type Chironomus larva with normal head (left) and abdomen (right) development... (Medical News Today)

Building scaffolds in the cell's power stations
Researchers at the University of Freiburg discover a basic architectural principle of mitochondriaA group of scientists led by Assistant Professor Dr. (Medical News Today)

Study links PTSD to premature aging
A new study by UC-San Diego researchers finds individuals with post-traumatic stress disorder may be at higher risk for premature aging. (Medical News Today)

Cell discovery sheds light on ovarian disorders
Using mice, scientists show ovarian theca cells - essential for follicle growth - come from two sources, and suggest the finding will raise understanding of ovarian cell disorders. (Medical News Today)

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