Tag: "knee" at biology news

First Evidence That Localized Arthritis Gene Therapy Heals Distant Diseased Joints

...gators provoked rheumatoid-likearthritis in rabbit knee joints by injecting them with a protein that cause...eceptor to TNF" in one diseased knee. (The second knee served as a control). Other rabbits received the gene for the receptor to IL-1 in one diseased knee...

New Biomaterial May Replace Arteries, Knee Cartilage

...as few as five years for patients needingartery or knee cartilage replacement. It may also be used to speed repair ofdamaged nerves in patients with spinal cord injuries and as the basis for animplantable drug delivery system. The biomaterial is unique for several reasons, researchers said. It is...

Continuing Research On Knee Surgery For Horses At Colorado State University Holds Promise Of Helping Humans With Osteoarthritis

...ing small holes in thesubchondral bone beneath the knee cartilage near a joint surface injury, whichtends to cause cartilage growth. "Our research group has done a long-term study (on horses) showing the(microfracture) technique is superior to the conventional treatment of scrapingdown to bleeding...

"All my friends dream of artificial limbs": US, Russian nuclear labs work with prosthetics company to develop replacement knee

...In a unique arrangement, technologies for foot and knee prostheses are beingjointly developed by two nucle...of testing possible at both nuclear laboratories.A knee must be able to vary the speed of its response. Then it needs to lock sothat its wearer doesn't fall...

University of Pittsburgh study suggests herpes-delivered gene could provide long-term, systemic therapy for peripheral neuropathy

... replicating itself to deliver the gene for NGF to knee joints ofrabbits and non-human primates. The researchers used two types of herpes virus,one engineered with a genetic component, or promoter, that turns on the NGF genein neurons and one engineered with another promoter that turns on the NGF genein ...

Honey as healer

... tissue death. Both legs were amputated below the knee as well as fingers on both hands. He endured multiple skin grafts and suffered for months with non-healing infected sores. His case was extreme and difficult to treat because of the severe pain it caused. "I can't even begin to explain how painful it...

Study finds cochlear implants cost-effective in children

... the implantable defibrillator ($34,846 per QALY), knee replacement ($59,292 per QALY), and adult cochlear implantation ($11,125 per QALY). The principal investigator of the study is Andre Cheng, M.D., Ph.D. In addition to Powe and Niparko, co-investigators include: Haya Rubin, M.D., Ph.D., Nancy Mellon, ...

Prosthetic limb to be controlled by microchip: Agreement signed to create smart leg

...nts and piezoelectric motors that power the ankle, knee and socket. The leg socket will also adjust to t...ies, as the thigh moves forward, inertia opens the knee joint, the artificial shin swings forward, and, when the entire structure locks, the wearer can pass...

HRT prevents osteoarthritis

Users of oestrogen replacement therapy have more knee cartilage than non-users 2001;60:332-6 Long ter...type of arthritis. It most often occurs in hip and knee joints, where loss of the tissue which prevents joint frictioncartilageexposes the bone underneath. ...

Rush physicians research chondroitin sulfate

...Chondroitin Sulfate helps prevent the worsening of knee osteoarthritis and the pain associated with the disease. Osteoarthritis is a painful degenerative joint disease that affects over four percent of the population and almost all people over the age of 70. Chondroitin Sulfate, currently sold in the U.S....

Testosterone dose-repsonse relationships in healthy young men

...leading to the 1-RM. Seat position and the ensuing knee and hip angles, as well as foot placement, were measured and recorded for use in subsequent testing. To ensure reliability in this highly effort-dependent test, the 1-RM score was reassessed within seven days, but not sooner than two days, after the ...

Tufts University researchers engineer first 'custom-made' human knee ligaments from adult stem cells

...ineering strategy to repair one of the most common knee injuries-ruptured anterior cruciate ligaments (ACL...ring new ones. This ligament at the center of the knee connects the leg to the thigh and stabilizes the knee joint in leg extension and flexion. Greg Altma...

For the longest distance runner, that tired feeling may not be due to central fatigue

...ntary and electrically invoked evoked force of the knee extensors and plantar flexors that occur before an... enrolled in the study. The maximal twitches for knee extensors (KE) and plantar flexors (PF) were both examined before and after the 40-mile race using a...

Human running on surfaces of different stiffnesses

...limb contact. Previous studies have found that the knee joint is the major determinant for kleg as a fun...ness. Their expectation was to find a less flexed knee to account for a reduction in metabolic cost as well as an increase in kleg. They further hypoth...

New material to patch injured knee ligaments

GOOD news for injured athletes. Damaged knee ligaments heal better if patched with a scaffold made from pig's intestine. Tearing the medial collateral ligament, or MCL, is one of the most common sporting injuries. The ligament tends to heal by itself, so doctors don't usually resort to surgery...

Telemedicine link with South Pole allows remote knee surgery

...outh Pole Station to surgically repair the damaged knee of a meteorologist spending the winter in Antarcti...thy Pollard to suture a damaged tendon in the left knee of RPSC employee Dar Gibson in a two-hour operation July 5 (EDT). Gibson injured his knee in a fall...

Flexible joints associated with chronic fatigue syndrome, researchers find

...nd the thumb to touch the forearm; hyperextend the knee beyond 190 degrees; hyperextend the elbow beyond 190 degrees; and place the palms flat on the floor without bending the legs. Sixty percent of those with CFS showed joint hypermobility, compared with 24 percent of the healthy children. The link betwe...

African-Americans more likely to lose limbs due to vascular disease than other groups

...le 34 percent of African-Americans underwent above knee amputations, only 27 percent of whites had the same procedure. "Rising rates of lower limb amputations in the general population combined with disproportionately higher rates among African Americans are concerning and warrant further investigation in...

Mild aerobic exercise no protection from osteoporosis

...worsens the symptoms of chronic conditions such as knee arthritis. Further research is needed to define methods that will reduce obesity while preserving or enhancing bone health." Stewart and colleagues studied 84 adults (38 men and 46 women) ages 55 to 75 with higher than normal blood pressure but wh...

A new twist on an age-old problem: Making knee replacements last

...than a quarter million Americans each year get new knee joints, yet only incremental advances have been ma...hing machine in your home than into the artificial knee joints implanted in people," said B.J. Fregly, an assistant professor of mechanical and aerospace en...

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