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Tag: "fractures" at biology news

Gene therapy converts dead bone graft to new, living tissue

...over time. "Everyday activities cause microscopic fractures in our bones," explains Schwarz. "Those fractures are normal and healthy, and our bones re-knit them constantly. But when the bone is dead, there is n...

NJIT Presidential Award winner takes stem cell research another step

...stion is how to treat patients suffering from bone fractures and other defects that may not heal because they are also suffering from other disorders. We are looking at the current treatment for repairing bone defects, which is the use of allograft tissue, as well as newer treatments such as combining allograf...

Researchers grow stem cells from human skin

...ue removed by surgery, to fill in the gaps in bone fractures or replace muscle damaged by injury. "The ability to engineer tissues from a patient's own cells may overcome two major problems in transplantation medicine: immune rejection and tissue shortage," Atala said. ...

Fundamental discovery -- Bone fracture

...althy bone resists fracture and how unhealthy bone fractures at the molecular level. Included with the article are the highest resolution images of bone ever published, which reveal the location of the adhesive or "glue" that holds together mineralized collagen fibrils (protein fibers) of bone. The glue appea...

Beauty queens urge girls not to sacrifice their bones

...y day- in 45 years (by 2050), one out of every two fractures in the world will occur in Asia. All women and men should take immediate action to review their life styles and take the IOF One Minute Osteoporosis Risk Test. Maximum bone development takes place in girls and boys roughly between ages 11-17. By bu...

Nanotubes inspire new technique for healing broken bones

...materials, leading to a new type of bone graft for fractures that may also be important in the treatment of bone-thinning diseases such as osteoporosis. In a typical bone graft, bone or synthetic material is shaped by the surgeon to fit the affected area, according to Haddon. Pins or screws then hold the heal...

New cell transplantation technique restores insulin production in diabetics

...ss of sensation that results in severe infections, fractures and amputations, destruction of major organ function (e.g., the kidneys) and cardiovascular disease that can result in complications such as heart attacks. Both genetic and environmental factors contribute to the disease. ...

New study reveals promising osteoporosis treatment

...n older adults, resulting in more than 1.5 million fractures annually; the overwhelming majority of those affli...lso focus on using Mg/Zn/F-CaP compounds to repair fractures and periodontal bone defects. ...

Carnegie Mellon researchers discover new cell properties

...na. "This could make the lamina stiffer and cause fractures in the nuclei," Islam said. The healthy lamina remains disordered and therefore less rigid. "Once we understand what causes the lamina to stiffen, we can try to reverse or stop the problem," Dahl said. "We think this stiffening mechanism happens ove...

Research identifies protein in mice that regulates bone formation

...ty and which makes people more susceptible to bone fractures and deformities, afflicts some 10 million American...gets older, it is predicted that the number of hip fractures may triple by 2020 unless better prevention and treatment for the disease is improved. The researc...

Researchers discover new gene responsible for brittle bone disease

...journal Cell. Victims may experience just a few fractures in a lifetime or several hundred beginning before birth. The number of Americans affected is unknown, but estimates range from 20,000 to 50,000. While the study is an important early step in the search for a cure, its immediate effect may be to exone...

Cigarette smoking impedes tendon-to-bone healing

...hown that nicotine interferes with healing of bone fractures and also inhibits bone fusion processes -- many spine surgeons, for example, won't do certain operations on people who smoke because of the risk of failure. But little is known about the effects of cigarettes on tendon and ligament healing. There ...

Smashing the time it takes to repair our bones

...y and help heal the bone." Additionally, normal fractures that would otherwise heal successfully could be ac...use of these stimulants. Dr Hannay said normal fractures in young, healthy people took approximately six to eight weeks to heal. "It might be possible to ...

The effects of smoking on fractures and ligament injuries

...ague Charities, examined the effects of smoking on fractures and ligament healing in mice and found that healing of both types of injury was delayed. The studies are published in the December 2006 issue of the Journal of Orthopaedic Research ( http://www.interscience.wiley.com/journal/jor ), the official journ...

Using dental X-rays to detect osteoporosis

...le undetected osteoporotic patients can incur bone fractures and suffer from other problems, reducing the quality of life. By analyzing a small area depicting the trabecular bone on the ordinary dental radiographs, dentists can predict the osteoporotic condition of the patients to the same extent as the BMD...

Researchers urge monitoring of bone health during chemotherapy

...leton would not only help prevent osteoporosis and fractures but also might give patients a survival advantage." In the laboratory mice studied, G-CSF increased the number and activity of bone cells called osteoclasts, which resorb bone material as part of the normal process of bone turnover. The resulting lo...

NIH researchers discover protein that appears to regulate bone mass loss, the cause of osteoporosis

...ved that several of them sustained unexplained rib fractures that he hypothesized could be, like osteoporosis, caused by a loss of bone mineral density. A new study, published online this week, confirms this unexpected connection. CD40 ligand appears to regulate cells that secrete chemicals that block bone met...

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