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Tag: "structural" at medical news

Beijing Says Food Safe for Olympic Athletes, Tourists

...liers who escape government monitoring, there is a structural issue within the government because responsibility for food safety is spread across several departments, he said....

Translating Structure into Function

...nts. Its structure was determined as a part of the structural genomics project, 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 pat...

Nanospectrometer Aids in Identifying Nutrient Cycle

... do a lot of microbiology. Capone added that the structural imaging capability of NanoSIMS could allow medical researchers to study metabolic function in distinct cell types, in cells at different stages of development and in cancerous versus non-cancerous cells. Gunther Dennert, professor of molecular micr...

Experts Propose New Criteria for Alzheimer's Diagnosis

...eliable biomarkers of AD are now available through structural MRI, molecular neuroimaging with PET, and cerebrospinal fluid analyses," says Dr. Bruno Dubois, Salpetriere Hosptial, Paris, France. According to experts, the new criteria for probable AD requires that patients show progressive memory loss over mo...

Bak Protein Sets Stressed Cells on Suicide Path

... Digestive & Kidney Diseases to further study the structural changes of mitochondria during apoptosis and normal physiological conditions....

Plants Respond to Changing Environment

...ves two types of evolutionary change. As well as structural changes that allow the proteins to interact, flowering plants have also changed the range of genes that are turned on and off in response to these proteins. This work was supported by the Biotechnology and Biological Sciences Research Council. Cont...

Protein Structure of Pathogens Associated With CF and TB Solved

... of Biological Chemistry. The study is the first structural characterization of this novel protein that is present in many bacteria including the pathogen that causes tuberculosis.It's well-known that bacteria need iron to grow and, when they are establishing an infection, they steal iron from the host. To ...

Walking Upright Saves Humans 75 Pc More Energy Compared to Apes

...y cost- longer hind legs compared to body mass and structural changes to the pelvic bone allowing for more upright walking. Analysis of these features in early fossil hominins, coupled with analysis of bipedal walking in chimpanzees, revealed that human walking was around 75 percent less costly, in terms of ...

Spacesuits of the Future Will Be as Flexible as Spidermans

...ur leg). Those lines provide a stiff "skeleton" of structural support, while providing maximal mobility. The trick is to make a suit that is skintight but stretches with the body, allowing freedom of movement, said Newman. Traditional bulky spacesuits do not afford the mobility and locomotion capability t...

Researchers Identify New Risk Marker for Obese Children

...that each one of them has high levels of apoB48, a structural protein found in intestinal cholesterol. The children presented high levels of apoB48 even as their LDL cholesterol levels, which are characteristically high in overweight adults, remained in the normal range. In discovering high levels of apoB4...

US Whizkids Create Eco-friendly Building Material from Mushroom

...d they've envisioned modifying the product to make structural panels that could be grown and assembled onsite to produce sustainable homes. For Bayer and McIntyre, their next step will be creating larger pieces of Greensulate to use in building a wall. From there, they'll perform further testing to see how th...

Brain Tumor Drug in Frogs A New Report

... (USA) describe the first complete analysis of the structural and chemical properties of the molecule. Although it could potentially be used as a treatment for many forms of cancer, Amphinase offers greatest hope in the treatment of brain tumours, for which complex surgery and chemotherapy are the only curren...

Too Much of Acidic Foods can Cause Permanent Damage to Teeth

...ntin are exposed to the acids and can increase the structural damage. But eating fruit as part of a balanced diet is good. Its not what you eat and drink that is important its how you consume acidic food, Dr Bartlett said. Dr. Bartlett also encourages patients to talk to their dentist about the use of denti...

Researchers Reverse Mental Retardation Symptoms in Mice

...that halting PAK's enzymatic activity reversed the structural abnormality of neuronal connections found in the FXS mice. In the brain, small protrusions called dendritic spines on the branch-like dendrites of one neuron receive chemical signals from other neurons and communicate them to the main cell body. Th...

Research Shows Way for Drug Therapy for Autism

...shows that inhibition of PAK activity reverses the structural abnormality of neuronal connections seen in FXS mi...MHANS, who was part of the study. In addition to structural problems, these abnormal connections between neurons transmit weaker electric signals in FXS mice. ...

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

...nts. Its structure was determined as a part of the structural genomics project, 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 pa...

Cataloging the Structural Variations in Human Genetics

...re. The undertaking will help researchers identify structural variations in DNA sequences, which Eichler says am... says Eichler. In fact, more bases are involved in structural changes in the genome than are involved in single-base-pair changes. In some cases, individual gen...

Researchers Discover How Antibiotic Inhibits Bacterial Growth

... "It was a combined effort of excellent chemists, structural biologists and biochemists," Mankin said. "We now understand much better how the drug works, how it can be improved, and how bacteria can become resistant to linezolid." A second part of the study involved learning why, in rare cases, the drug ca...

Decoding Protein Structures Helps Illuminate Cause of Diabetes

...ribed in the current study, they obtained a single structural scan of hIAPP in less than a second - more than 500 times faster than previously possible. The speed is crucial for trying to understand a dynamic process like hIAPP mis-folding, Zanni says. The group now plans to capture series of snapshots duri...

New Analytical Tool to Unravel the Cause of Diabetes

...wn this dynamic process. They obtained a single structural scan of hIAPP in less than a second - more than 500 times faster than previously possible. This speed is crucial for trying to understand a dynamic process like hIAPP mis-folding, Zanni says. The group now plans to capture series of snapshots du...

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