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Tag: "structures" at medical news

Translating Structure into Function

..., a large-scale, worldwide effort to determine the structures of enzymes and receptors. With the nature of the substrate in hand, the scientists went on to discover that the enzyme works in a previously uncharacterized metabolic pathway in bacteria....

Novel Light Weight Polymers Made Up of Carbon Nanotubes

...lectrical and Computer Engineering at U.Va. The structures work well for electromagnetic interference shielding. Once we reached this milestone, we began investigating ways to reduce the weight even further. Guptas team then added a foaming agent a chemical that creates air pockets to the material. The r...

Size and Position of Floral Anther Plays a Vital Role in Pollination

... Brigitte Marazzi and Elena Conti, compared floral structures across numerous species of the genus Senna in the ...ress and his coworkers found a diversity of floral structures that may represent different strategies for pollen dispersal, even in the same genus. The appeara...

Bak Protein Sets Stressed Cells on Suicide Path

... the paper's first author.Bak and Bax have similar structures and scientists have long suspected they play major, similar roles in programmed cell death, or apoptosis. "These two proteins are very important for mitochondrial injury and subsequent apoptosis," says Dr. Dong. To stress cells, they blocked oxy...

Genes Play Major Role in Determining Individual's Sour Taste Perception

... whether individual differences in genes for these structures - such as the recently-discovered PKD ion channel - are correlated with individual differences in sensitivity to sourness. For any given candidate receptor, a strong association of genetic with perceptual variation would support the likelihood tha...

Protein Structure of Pathogens Associated With CF and TB Solved

...mple of the work my lab enjoys doing. We determine structures and functions of important proteins and provide insights into ways that these proteins can be modulated to improve human health. My lab, like several others at HWI, is most interested in human pathogens and learning new ways that we can block infecti...

Human Membranes Crystal Structure may Help Tailor Asthma Drugs

...rmation has been available on two membrane protein structures from human. Now, researchers at Karolinska Inst...l subunits, each of them consisting of four spiral structures that cover the nuclear membrane. Also the exact position and characteristics of the active sites, ...

Alien Hand Syndrome Causes Random Hand Movement

... motor activity involves the same underlying brain structures and that activity in the primary motor cortex does not correlate with voluntary movement. In addition, the study shows that while M1 [primary motor cortex] may code for limb movement planned by parietal systems, only activity in the latter (but not...

Female Doctors Facing Barriers to Careers in Education and Research, Study Finds

...ake steps to minimise gender bias, Flexible career structures Dr Anita Holdcroft, co-chair of the BMA Medical Academic Staff Committee, says: Six in ten doctors who graduated from medical school last year were female, but the same is emphatically not true of the professors who taught them. Women contribute ...

Now You can Marry in a Mughal Ambience, If You Wish to

...ch of Mughal and Rajasthani architecture. The main structures include the Sheesh Mahal, Rang Mahal and Jal Mahal. The garden itself is surrounded by a fort-like high wall. The present-day garden has a mango grove, a mini-zoo, shops and restaurants for hundreds of tourists and visitors that come every day....

Alzheimers Disease Enzyme may Interfere With Brain Function

...are transmitted via voltage-gated sodium channels, structures on the cell membrane that transmit electrochemical signal by admitting charged sodium particles into the cells interior. Sodium channels consist of an alpha subunit, which makes up the body of the channel, and one or two beta subunits that help to re...

Genetic Cause of Inherited Eye Diseases Identified

...ified fit together correctly. Cilia, specialized structures that extend from cells, have recently taken the spotlight in studying genetic diseases. They are commonly used by cells for movement or sensory purposes, and, in many cases with mammals, have been thought to be remnants of evolution without much purp...

Tinnitus Patients can Lead a Normal Life

... ear) to the cerebral cortex. There is a series of structures in the central nervous system (CNS) that gives the tinnitus a magnified role. This fact alerts the patient and turn triggers the perception of auditory discomfort, according to Ms Heitzmann. The limbic system, responsible for emotions and learning,...

Loss of Antenna Leads to Cancer in Insects

...ormal vertebrate cells have cilia, small hair-like structures that protrude like antennae into the surrounding environment to detect signals that control cell growth. In a new study published in the June 29 issue of Cell, Fox Chase Cancer Center researchers describe the strong link between ciliary signaling ...

Exposure to Computer Games can Be 'good' for Kids, Says New Study

... can experiment with the cultural institutions and structures of the material world. It is a space in which young people can establish their presence, identity and meaning in ways that might not be accessible or permissible in their everyday," Crowe added. Dr Bradford said that computer game helps children li...

X-ray Mammography Aids in Breast Cancer Detection

... of radio wave energy to make images of organs and structures inside the body. The report aimed to determine whether the combination of MRI and mammography was more accurate than mammography alone in finding breast cancer. The TARGET emerging technology evidence report is published by ECRI Institute, an indep...

"Decryption" of Enzyme's Functions Paves Way for Future Drug Discovery

..., a large-scale, worldwide effort to determine the structures of enzymes and receptors. As the scientists knew the nature of the substrate, they went on to discover that the enzyme works in a previously uncharacterised metabolic pathway in bacteria....

Quick, Innovative Procedure Helps Men Minimize Incontinence After Prostatectomy

..., effective means of reconstructing key anatomical structures that ensure continence. They describe the succes...ness of the tumor. "Unfortunately, this can weaken structures that control the retention and release of urine from the bladder, such as the puboprostatic ligament...

Innovative Procedure Helps Men Minimize Incontinence After Prostatectomy

..., effective means of reconstructing key anatomical structures that ensure continence. They describe the succes...ness of the tumor. "Unfortunately, this can weaken structures that control the retention and release of urine from the bladder, such as the puboprostatic ligament...

Massive Wildfire Forces Evacuation of Hundreds of Home in Florida

... Minnesota and Canada, but many cabins and smaller structures more than 100 in all have been destroyed. Florida has undergone an explosion in population a growth of about 13 percent between 2000 and 2006. This has meant that more and more people are pushing into rural areas. In dry weather conditions, such...

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