Tag: "xie" at biology news

New insights into the neural basis of anxiety

... A mouse that h...

Xie Lab demonstrates the role of microRNA pathway

... ... MicroRNAs are single-stranded small RNA molecules believed to regulate the expression of other genes. The Xie Lab's findings show that the microRNA pathway is essential for...

New insight about the source of anxiety in Rett syndrome

... "This is one of the first symptoms that we can link to a molecular cause," said Dr. Huda Zoghbi, professor of pediatrics, neurology and molecular and human genetics at Baylor College of Med...

New findings may lead to treatment for anxiety in Rett Syndrome

The classic form of Rett Syndrome (RTT) shows us a child who is the picture of anxiety: she wrings her hands, hyperventilates, trembles. The sinister progression of the disorder, which usually begins to manifest between the ages of 6-18 months, includes loss of acquired skills, speech and mobility, sometimes an autistic-like withdrawal, sometimes months of inconsolable crying. A majority of girl...

Studies suggest new brain protein may help in treating schizophrenia, insomnia and anxiety

Pittsburgh, June 22 A small protein in the brain that has only recently been discovered and, paradoxically, induces both profound wakefulness and a less anxious state, may represent a novel target for the treatment of psychotic behavior and schizophrenia, according to new research presented at the 6th International Congress of Neuroendocrinology (ICN 2006). ICN 2006 is being held at the David L....

Seasonal depression, anxiety affects hamsters, study finds

COLUMBUS , Ohio A new study suggests that hamsters may suffer from symptoms of anxiety and depression during the dark days of winter, just as some humans do. ... ...Using a variety of tests, researchers found more symptoms of depression and anxiety in adult hamsters that were housed for weeks in conditions with limited daylight, as they would find in winter, when compared to hamsters who had day...

A genome wide search for genes underlying anxiety disorders turned up unexpected candidates

LA JOLLA Increasing the activity of two enzymes better known for their role in oxidative stress metabolism turns normally relaxed mice into "Nervous Nellies," according to research conducted at the Salk Institute for Biological Studies and reported in the early online edition of Nature.... ...Locally overexpressing either glyoxalase 1 or glutathione reductase 1 in mouse brains significantly incr...

Oxytocin raises aggression, cuts anxiety during lactation; similar effects on virgin rats

STEAMBOAT SPRINGS, Colorado (July 18, 2005) Maternal aggressive/protective behavior is recognized throughout mammalian species, especially during lactation. When hiking, we warn our kids not to approach bear cubs, or to get between a cub and the mother. While driving and you see a fawn, you know a doe can't be too far away and will run headlong to protect it....... The same neurohypophyseal (NH)...

Screening for genetic disorders: Need to avoid anxiety

People screened for genetic disorders must have appropriate follow-up and monitoring to avoid stress and anxiety, according to new research sponsored by the ESRC. ...... Those with a condition may also find it difficult to have their disease diagnosed and treated satisfactorily, and there can be surprisingly little or no access to genetic counselling....... These are among the key issues identifi...

Histamine, anxiety and alcoholism

In the brain, histamine regulates a wide variety of physiological processes, including water and food intake, sleep-wake cycles, endocrine homeostasis, locomotion, and memory and learning. In a new study, researchers have found that decreased levels of brain histamine, which are associated with a functional polymorphism of histamine N-methyltransferase (HNMT) called Thr105 allele, may also resul...
(Date:7/28/2014)... team of researchers led by the University of Arizona ... The genetic information will enhance scientists, and agriculturalists, understanding ... as enable the development of new rice varieties that ... to help solve global hunger challenges. , The paper, ... ) and evidence for independent domestication," was published online ...
(Date:7/28/2014)... and organic compounds in hydrothermal environments are critical components ... for the deep biosphere, and may have implications for ... about how minerals influence organic reactions. A team ... a common mineral acts as a catalysts for specific ... solvents or expensive reagents. , At the heart of ...
(Date:7/28/2014)... Researchers at Yale School of Medicine have pinpointed a mechanism ... glucose levels in the blood, linking it to both type ... the July 28 issue of Proceedings of the National ... prolyl endopeptidase enzyme located in a part of the ... of steps in motion that control glucose levels in the ...
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