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Tag: "body" at biology news

Swell gel could bring relief to back pain sufferers

...siological pH values - that is, once it enters the body - due to absorption of water by the particles. During their investigations, the research team injected the material into a damaged bovine intervertebral disc and increased the pH to biological levels by injecting an alkaline solution. Professor...

Rewarding fat rats

...to a "reward," such as food, changes happen in the body and the brain. Describing and understanding those ...nvestigated the role of leptin, a hormone that the body produces in proportion to the amount of stored fat. A person who eats a lot during holidays, for exa...

Napoleon's mysterious death unmasked, UT Southwestern researcher says

... The researchers ?obviously unable to observe the body ?compared the original descriptions of the lesions with modern images of 50 benign ulcers and 50 gastric cancers. They determined that no benign cancer could look like the lesion described in the autopsy. "It was a huge mass from the entrance of h...

No sex for 40 million years? No problem

...is of two species living in close proximity on the body of another animal, a water louse. One lives around... the other on its chest, yet they have diverged in body size and jaw shape to occupy these distinct ecological niches. Our results show that, over millions ...

New bird, bat species revealed by extensive DNA barcode studies

...os Archipelago, the first cancer cell in the human body has to undergo many mutations through many generations to establish itself as an invader of different organs in the body. But once it is there, like any newly stabilized species in different ecological niches, cancer is tough to get rid of. The for...

Cancer that colonizes our bodies

...os Archipelago, the first cancer cell in the human body has to undergo many mutations through many generations to establish itself as an invader of different organs in the body. But once it is there, like any newly stabilized species in different ecological niches, cancer is tough to get rid of. The for...

Active ingredient in common Chinese herb shown to reduce hypertension

...hamsters received 50 ¦Ìg of tanshinone IIA/100g of body weight once a day for two weeks. After the two-wee...amsters. Treatment with 50 ¦Ìg tanshinone IIA/100g body for two weeks reduced the mean arterial pressure from 161.2¡À6.9 to 130.0¡À7.8 mmHg. The researc...

Update on census of world's most endangered cat -- Female Amur leopard found dead

...fficers of two leopard anti-poaching squads to the body of the leopardess on April 20 about two miles from Bamburovo village within the watershed of Alimovka River on the territory of Barsovy National Wildlife Refuge. The next day veterinarians from the Zoological Society of London found that the 77 po...

Can engineered immune cells stop AIDS?

...re efficient carriers or transport vehicles in the body because they are naturally able to penetrate cells...ed by neutralizing antibodies that are roaming the body in search of foreign invaders. Faced with such a clever adversary, Wang wants to synthetically al...

Are scientists making progress in being able to regenerate bone tissue?

... grafts from a different part of the patient’s own body has been the number one choice for attempting to r...xample, removing bone from a different part of the body can lead to post-operative pain, infection, and abnormal sensations at the removal site. An alterna...

Conceptualizing a cyborg

.... "Whether it is a prosthetic device or a disabled body function, the mind could regain control," says Smith. To create the interface, the team used a newly developed process of stretch growth of nerve fibers called axons, previously pioneered in Smith's lab. Two adjacent plates of neurons are grown i...

Stanford scientists make major breakthrough in regenerative medicine

...where advanced organ damage can be repaired by the body itself. In the May 2007 issue of The FASEB Journal, researchers show that a human evolutionary ancestor, the sea squirt, can correct abnormalities over a series of generations, suggesting that a similar regenerative process might be possible in peopl...

Bumblebee house warming -- it takes a village

...limates is their ability to maintain fairly stable body temperatures when flying to flowers. Whether and ... Bumblebee workers vary considerably in size, and body size affects which tasks individuals perform. "We expected that larger workers would be incubator...

Natural polyester makes new sutures stronger, safer

...nth by the FDA is made of materials that the human body produces naturally, so they can be safely absorbed once the wound is healed. They are also 30 percent stronger than sutures now used and very flexible, making them easier for surgeons to work with. The sutures were developed by Tepha, Inc., a Camb...

Pregnancy hormone key to repairing nerve cell damage

...o determine that prolactin, which increases in the body during pregnancy, is directly responsible for the formation of new myelin in the brains and spinal cords of pregnant mice. Further, when non-pregnant mice with MS-like lesions were injected with prolactin, their myelin was also repaired. The resea...

Lead-'scrubbing' drug may also improve muscle function in lead-exposed children

...to remove dangerously high levels of lead from the body may also improve muscle functions associated with postural balance and movement in lead-exposed children. Led by Amit Bhattacharya, PhD, the UC team found that children treated with succimer (SUX-sim-er) chelation therapy showed a 19 percent improv...

New evidence of 'human' culture among primates

...le not conclusive, his research adds to a mounting body of evidence that suggests other species have something approaching human culture. A strong case has already been made for great apes having a capacity for social learning, but until now there has been no evidence of material culture among the "new wo...

Cracking open the black box of autoimmune disease

...f military unit, a defense network that guards the body from invaders. Seen in this way, a group of white ... cells. In fact, when Foxp3 stops functioning, the body can no longer produce working regulatory T cells. When this happens, the frontline T cells damage mu...

Research to spotlight carbon monoxide benefits

... and identify those which are absorbed best by the body with the aim of starting clinical studies in three years' time. ...

Liposuctioned fat stem cells to repair bodies

...unsightly bulges: people will gladly remove excess body fat to improve their looks. But unwanted fat also contains stem cells with the potential to repair defects and heal injuries in the body. A team led by Philippe Collas at the University of Oslo in Norway has identified certain chemical marks that all...

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