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Tag: "shape" at medical news

The Evolution of Costly Traits

... given us a background about how beneficial traits shape up in natural populations,// but one is led to wonder about the manner of development of costly traits. Two theories have tried to address this challenge – the theory of hitch hiking and theory of kin selection. The theory of hitchhiking has indic...

A Breakthrough in the Study of Hepatitis C

...roscopy and shown to possess the expected size and shape of HCV virus particles. Once the system was established, the group examined whether sera from patients carrying HCV could infect the human fetal hepatocytes. When sera from patients infected with different HCV strains were added to the hepatocyte c...

Anaesthetics may Cause Brain Disorder in Elderly

... people afflicted with Alzheimer's - to change its shape and increase the rate at which it binds with nearby proteins. Just six hours of exposure to halothane was enough to trigger protein clumping similar to that seen in people with Alzheimer's, says the study that involved animals and laboratory tests...

How Bacteria Generate Energy to Live?

...nents within a single entity, so it can’t hold its shape in any one solvent. Using a stepwise process, Barquera attached labels at significant points along the length of the protein and then determined whether these labels appeared inside or outside the envelope of the cell membrane. The results showed ...

Scientists Reverse Mad Cow Disease in Mice

...re responsible for these disorders which alter the shape of the brain causing a lot of holes resembling a sponge. This results in the deterioration of the brain. The mice subjected to these procedures revealed a good recovery to normal behaviour. The spongy nature of the brain was also reverted and norma...

Genetic Fingerprints Identify Brain Tumors' Origins

...il we consider them in the context of factors that shape the development and specialization of different brain regions." Source-Bio-Bio Technology SRI...

On the 'Fast Buck' Trail: Kidneys on Sale

...dismal scenario, six transplant centers have taken shape in southern India and the trade is better than never before. Educating the general public, especially the donors, in all aspects of kidney donation is paramount to ushering in reforms in the practice of this medical procedure. It is also vital to...

Man-Made Proteins Could Be More Useful Than Real Ones

...ctures that generally resemble natural proteins in shape and stability.”Alanna Schepartz. As an HHMI pro...ctures that generally resemble natural proteins in shape and stability,” Schepartz said. She added that their findings about the structure of the molecule th...

A Better Way to Deliver Cancer Drugs

...a clear, flexible film that can be designed in any shape or size. A key ingredient in the film is chitosan, which is derived from a natural material extracted from algae and the exoskeletons of shellfish. Researchers at the University of Toronto have developed a way to dissolve a high concentration of va...

Males Adapt To Battle With Competing Sperm

...entially signify that that the penis developed its shape to act as an anatomical squeegee. But sperm competition does not solely take place in the realm of our biological makeup. According to the authors, many sexual behaviors such as deep copulatory thrusting may function to remove rival sperm. Accordi...

New Mechanism for Nutrient Uptake Discovered

...ort-chain molecule, binds with it, and changes the shape of itself and its neighbor thereby activating all the pores in the complex," continued Loqué. "The pores can't function without this physical stimulation." "The rapid chain-reaction among the different pores allows the system to shut down extremely...

Shedding Pounds from Diet or Exercise—Take Your Pic

...he abdomen and linked to heart disease risk. The shape of a person’s body, as well as their body weight can be indicators of their risk for cardiovascular disease. Some studies have shown that people with “apple shaped” bodies, or more fat distributed at the waistline may have a higher risk of heart dise...

New Moms Must Not Skip Meals

...uld not worry about getting their bodies back into shape immediately, a leading Germany// health insurer said. "A woman's body has enough to do after a baby arrives," said Waltraud Pfarrer, listing milk production and hormonal adjustment as examples. New mothers also have to reckon with fatigue because...

Improving Body Image Key to Treating Eating Disorders

...in Houston. In addition to the concern with body shape and size that is a symptom of all eating disorders, approximately 40 percent of patients also have body dysmorphic disorder (BDD), a distorted view and exaggerated vision of their appearance. Changing that distorted image is an important part of the ...

Scientists Produce Neurons from Human Skin

...environment. They progressively took on the oblong shape typical of neurons. At the biochemical level, researchers discovered that in the days following the start of the experiment, the cells began producing markers and molecules associated with the transmission of nerve impulse between neurons. "This sugg...

Bone Fragility, a Risk for Children With Cancer

...esorption. In equilibrium, individual, normal bone shape and strength is maintained. At times of systemic or local bone growth – e.g., adolescence, response to increased physical activity, fracture repair – the process of bone formation "outpaces" resorption. Skeletal formation in general is regulated by...

C Section On The Rise In Obese Women

...xercise which will enable the women to get back to shape after delivery. JYT...

Nanoparticle Research Offers Hope of Artificial Retinas, Prostheses

...bigger than individual atoms. The same forces that shape molecules control their behavior; they also exhibit the bizarre effects associated with quantum mechanics. Scientists can exploit these characteristics to custom-build new materials "from the bottom up" with characteristics such as compatibility with...

Treating Male Infertility With Stem Cells

... The donor stem cells displayed the characteristic shape of either germ cells or supporting cells, suggesting that the stem cells had differentiated. These differentiated donor (green) cells were also found near the native recipient cells of the same type, demonstrating that the local cellular environment ...

Spain Launches Movement Against Skinny Fashion Models

... other technologies, experts are investigating the shape of the average Spanish woman as opposed to unreal fashion images. The goal of the study is to unify the wildly varying clothes sizes in such a way that the same size number will always correspond to the same measurements. The size 46 will also be...

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