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Tag: "leg" at biology news

NC State scientist finds soft tissue in T. rex bones

...r Wittmeyer, isolated soft organic tissue from the leg bone of a 68-million-year-old Tyrannosaurus rex. Schweitzer was interested in studying the microstructure and organic components of a dinosaur's bone. All bone is made up of a combination of protein (and other organic molecules) and minerals. In mod...

Rush Physicians Using Gene Therapy For Heart Patients With Moderate To Severe Chest Pains Who Do Not Benefit From Other Treatments

... surgery to place veins removed from the patient's leg or arteries taken from the patient's chest wall or... a cardiac catheter threaded into the heart from a leg artery or a placebo delivered using the same method. As required by the U.S. Food and Drug Administr...

Potential treatments for neurofibromatosis

...iatic nerve that connects the spinal cord with the leg and foot muscles. The tumors can interfere with the function of the brain and other organs, or prevent patients from walking. "Those are particularly tough problems. They're very challenging to treat surgically, and radiation and chemotherapy don't ...

Live vaccines more effective against horse herpes virus

... the June 11, $1 million Belmont Stakes, the third leg of the Triple Crown, in Belmont, N.Y., the New York Racing Association (NYRA) on May 18 issued travel restrictions for all horses that might have been exposed to equine herpes virus, with special attention paid to those stabled at Churchill Downs sin...

Revueltosaurus skeleton unearthed at Petrified Forest upsets dinosaur tale

...tubbier, less flattened skull and a less sprawling leg posture than today's crocodiles have. Also, the armor did not cover the entire body, but was restricted to two lines down the back. The creature is most similar, he said, to a group of Triassic archosaurs - the group that includes crocodiles, dinosau...

Agilent Technologies introduces high-capacity human protein removal system for proteomics research

...tubbier, less flattened skull and a less sprawling leg posture than today's crocodiles have. Also, the armor did not cover the entire body, but was restricted to two lines down the back. The creature is most similar, he said, to a group of Triassic archosaurs - the group that includes crocodiles, dinosau...

Combination therapy leads to partial recovery from spinal cord injury in rats

...on and electrical conduction from the brain to the leg muscles. The finding may eventually lead to new ways of treating spinal cord injury in humans. The study was funded in part by the National Institute of Neurological Disorders and Stroke (NINDS), part of the National Institutes of Health. The new st...

Diabetic nerve therapy shows 'striking' results

...d examine the effects of a single treatment in one leg compared with a placebo treatment in the other leg." The Diabetes and Glandular Disease Clinic in San Antonio, Texas, is involved in the clinical trials. Dr Mark Kipnes, a clinical investigator for Sangamo and endocrinologist at the clinic, said: "...

Gaining ground in the race against antibiotic resistance

...searchers have a new strategy that may give them a leg up in the race -- reproducing in the lab the natural evolution of the bacterial enzymes that confer resistance. A team of scientists in Argentina and Mexico identified mutations that increased the efficiency of a bacterial enzyme that renders penici...

Exercise aside, genes may ultimately dictate seniors' mobility

...I genotype is associated with increased fat in the leg muscles," Kritchevsky said. "Now energy storage ne... activities, but in older persons, accumulation of leg fat has been linked to poorer muscle function and metabolic diseases like diabetes." The study, fun...

Prostate cancer uses Wnt signaling proteins to promote growth of bone tumors

...man prostate cancer cells into the tibias, or long leg bones, of one group of immune-deficient mice. Twelve weeks later, U-M researchers removed and examined bone tumors from the mice. They found that these mice produced tumors with a dense overgrowth of bone. A second group of mice, injected with prosta...

One small step means giant leap for spinal cord research

...rapists, the patients learned how to trigger their leg muscles as they walked. Over the course of 12 to 1...ne woman was even able to stop using a full-length leg brace while walking. While the patients' walking skills had decreased 10 weeks after treatment fini...

Genetic key to growth of new arteries is identified

...new arteries. About 40 percent lost a portion of a leg due to gangrene caused by inadequate blood flow, demonstrating that the MMP2 gene is "very important" in an animal's ability to grow new arteries in response to a blockage, says Sarkar. The second part of the study looked at precisely which areas of...

World shark attacks dipped in 2005, part of long-term trend

... Panhandle, 16-year-old Craig Hutto lost his right leg to a shark while fishing in waist-deep water off Cape San Blas. Five of the state's 18 shark attacks last year occurred along Florida's Gulf Coast, which is a greater proportion to the Atlantic coast than previous years, Burgess said. "It's unusual ...

Penguins waddle but they don't fall down, UH researchers say

...alking challenges, such as the elderly, those with leg or foot injuries and toddlers learning to walk. The research findings could even allow the development of more mobile robots. His study on walking stability features dozens of King penguins from Moody Gardens in Galveston. Though these endearing a...

Salk researchers make fast strides towards understanding how our body controls walking

...spinal cord that controls the speed with which our leg muscles contract and relax. Their findings mark an important milestone in understanding the neural circuitry that coordinates walking movements - one of the main obstacles in developing new treatments for spinal cord injuries. "Knowing which circuit...

Obese people are more sensitive to pain, suggests study

...e stimulation by measuring the reflex of the lower leg muscles that surround the sural nerve. When the brain senses pain, it sends a message to the body to contract and move the muscles in order to get away from the source of the pain. "This kind of evaluation is in some ways a more objective way of mea...

Epidemic of unneeded amputations

...ante, of Houma, La. In 2002, Sevante had recurring leg cramps and was diagnosed with PVD. He developed a ...tion, he experienced similar symptoms in his right leg and decided to aggressively pursue amputation alternatives to avoid having to live in a wheelchair. ...

NASA technology helping injured US troops

...n using SAM to perform exercises to strengthen his leg muscles." The SAM walker, born by way of NASA's technology transfer program, also gives patients with degenerative conditions like severe arthritis, multiple sclerosis, Lou Gehrig's Disease, cerebral palsy, and Parkinson's Disease an opportunity to...

Neurons grown from embryonic stem cells restore function in paralyzed rats

...l the way to the gastrocnemius muscle in the lower leg and formed functional connections, called synapses, with the muscle. The rats showed an increase in the number of functioning motor neurons and an approximately 50 percent improvement in hind limb grip strength by 4 months after transplantation. In c...

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