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Mon, 02 May 2016, 05:00 GMT

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Health News - Biology/Biochemistry

New mechanism for sensing and regulating pH in the nervous system
The spinal cord has its own system for sensing changes in pH, according to a study by researchers at Karolinska Institutet in Sweden. (Medical News Today)

New understanding of key enzymes could help to develop new drugs to treat diseases such as cancer and Alzheimer's Disease
New knowledge about the mechanism of specific protein complexes in the body could help in the development of better drugs for the treatment of diseases such as cancer and Alzheimer's, according to... (Medical News Today)

New molecule-building method from TSRI opens up vast realm of chemistry for pharma and other industries
Scientists at The Scripps Research Institute (TSRI) have devised a new molecule-building method that is likely to have a major impact on the pharmaceutical industry and many other chemistry-based... (Medical News Today)

Everyday chemicals may encourage cells to store fat
Phthalates known as BBPs, which commonly feature in everyday plastics, soaps and other items, may exacerbate fat formation in cells, with potential implications for obesity. (Medical News Today)

Resistance-proof antiviral that targets several diseases in development
Researchers have developed a modified polymer that blocks various viruses from entering cultured human cells in a way that the pathogens cannot work around with new mutations. (Medical News Today)

New insights in how blood vessels increase their size
A new study from the group of Holger Gerhardt (VIB/KU Leuven/Cancer Research UK/ MDC/BIH Berlin) in collaboration with Katie Bentley's Lab (Cancer Research UK/BIDMC-Harvard Medical School) addresses... (Medical News Today)

Liver cancer may be diagnosed from altered sugar metabolism
Scientists have discovered that in the liver, cancer cells have a much lower level of fructose metabolism than healthy cells, and identify a gene product as a potential biomarker. (Medical News Today)

Asthma: study may explain why some patients do not respond to treatment
Some asthma patients do not respond to current medications for the disease. Now, a new study claims to have identified a biological pathway that may explain why. (Medical News Today)

Marijuana use may reduce dopamine in the brain
Dopamine is an important neurotransmitter, but a new study finds that heavy marijuana use could lower its release, causing negative effects on learning and behavior. (Medical News Today)

How do we fall asleep and wake up? Scientists uncover key mechanism
Researchers have found that BK channels in the suprachiasmatic nucleus of the brain play a major role in the regulation of sleep-wake cycles. (Medical News Today)

Antimalarial resistance to drug not passed on to future generations of parasites
Parasites that develop resistance to the antimalarial drug atovaquone cannot pass this resistance on to offspring, a new study published in the journal Science suggests, because their lifecycles... (Medical News Today)

Protein identifies cancer cells becoming aggressive, ready to spread
Researchers have discovered that aggressive cancer cells of melanoma, breast cancer and colon cancers have higher levels of of the protein PITPNC1 than non-aggressive cells. (Medical News Today)

Five unusual toxic animals and their chemical weapons
We are all familiar with Earth's most toxic inhabitants, including the black widow and cobra. This article, however, explores our lesser-known poisonous and venomous residents. (Medical News Today)

Insulin-producing cells grown in lab control glucose spikes in diabetic mice
Researchers have found a switch that spurs beta cells made from human stem cells to mature to a state where they release insulin in response to glucose spikes. (Medical News Today)

Single-cell analysis of embryos reveals mis-segregation of parental genomes
Single-cell embryos contain a set of maternal and paternal chromosomes, and as the embryo grows, daughter cells receive a copy of each. (Medical News Today)

Building Immunity: MBL Whitman Center team recreates a T-cell receptor signaling pathway
The front line of the human immune system is made up of T-cells: white blood cells that circulate in the body and scan for foreign invaders and infections. (Medical News Today)

Virginia Tech computer scientists present new method to reconstruct signaling pathways
Understanding the nature of signaling pathways - networks of molecules in a cell that work together to control a cell's response to its environment - is an increasingly important part of biomedical... (Medical News Today)

Important messenger substance in human cells measured "live" for the first time
Scientists have succeeded in making real-time measurements of changes in the concentration of the important messenger substance nitric oxide (NO) in human cells for the first time. (Medical News Today)

Spinal injury scars appear to help, not hinder, nerve regrowth
A new study challenges the long-held view that scar-forming cells block nerve cell regrowth across the spinal injury site by showing they could actually be necessary for repair. (Medical News Today)

Fresh insights into early human embryo development
Researchers at Karolinska Institutet and the Ludwig Cancer Research in Stockholm, Sweden have conducted a detailed molecular analysis of the embryo's first week of development. (Medical News Today)

Gum disease may be treatable with bioceramic material
A new study takes a closer look at why silicon nitride - a bioceramic material used in spinal implants - has such a lethal effect on the bacteria that cause gum disease. (Medical News Today)

HIV vaccine possibility following study of 'antibodies with loops'
A study of antibodies with a loop-like structure that bind to and disable the virus could lead to a vaccine that rapidly induces broadly neutralizing antibodies against HIV. (Medical News Today)

Choir singing may boost cancer patients' health, well-being
Singing in a choir for just 1 hour was found to increase immune system activity among cancer patients, suggesting choir singing may be a simple treatment aid for the disease. (Medical News Today)

Do differences in anatomy matter for achieving orgasm?
A recent review of the medical literature reveals that differences in anatomy may help explain why some individuals experience orgasms more successfully than others. (Medical News Today)

Immune cell transforms from 'Clark Kent' to 'Superman'
A new study led by scientists at The Scripps Research Institute (TSRI) reveals a previously unknown type of immune cell. (Medical News Today)

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