Tag: "fracture" at biology news
Methane Deep In Ocean Crust Could Feed Chemical-Hungry Microorganisms
... microorganisms. As the rock ages it continues to fracture
and admit seawater. It could be that the seawater carries microorganisms down into the rock where they mine the methane or it could be that seawater leeches methane out of the rocks and carries it into the oceans, Kelley says. There is evidence tha...
Rare Mutation Find May Offer Clues To Treating Osteoporosis
...nes of people with TDO, however, are so dense they fracture
onlyrarely," he said. "Affected people are born with kinky, curly hair, and theirchief health problem is that they develop little or no enamel on their teeth,which can become painful and very unsightly." "If we can understand how the mutation...
Link Made Between Human Growth Hormone, Bone Quality In Mice
...ose of the control mice." To test for strength and fracture
resistance, Tseng and Goldstein removed femursfrom both groups of mice and bent them in a mechanical testing device until theybroke. While leg bones from transgenic mice were stronger at 16 weeks of age,the smaller leg bones from control mice were j...
Dietary Protein Intake And Risk Of Hip Fracture In Postmenopausal Women
...ve study of dietary protein intake and risk of hip fracture
inpostmanopausal women. by Ronald G. Munger, James...l Iowa women aged 55-69 showed thatthe risk of hip fracture
was related specifically to poor dietaryintake of animal protein in contrast to a lack of associatio...
UCSF Researchers Identify Key Genes In Bone Healing Process That Could Lead To New, Molecular-Based Treatments
... formation in the fetus are also key to successful fracture
repair in theadult. Through a clever biologic reg...etus. The researchers analyzed bone tissue at the fracture
site in adult mice at 3, 6,8, 10, and 14 days after fracture
to assess the presence of growth factor...
Vitamin D Deficiency May Increase Risk Of Hip Fracture In Older Women
...the control group, women who hadnot suffered a hip fracture
but who were hospitalized for an elective hiprepla...f fracturemay speed up recovery and reduce risk of fracture
in the future. CurrentDietary Reference Intake Guidelines contain a daily recommendation of 400 IU ...
Nature publishes secret of abalone shell strength
...ed the mystery of the abalone shell's toughnessand fracture
resistance, according to the June 24 issue of the ... The abalone shell is roughly 3,000 times more fracture
resistant than asingle crystal of calcium carbonate, the mineral that makes up most of its bulk. The...
University of Pittsburgh team finds gene that increases risk of oteoporotic fractures
...ey. One in six older white women willsuffer a hip fracture
sometime during her lifetime. The APOE gene produces a combination protein-lipid that carries cholesterol tocells. This gene comes in three common forms, or alleles, called APOE-2, APOE-3and APOE-4. Each person carries two copies of the APOE gene, ...
First study on cause and treatment of male osteoporosis
...older to determine the extent to which the risk of fracture
in men is related to bone mass and structure, bioc...the U.S. over 65 will have an osteoporosis-related fracture
in their lifetimes (compared to one in two women over 65). However, the numbers of affected men are ...
Tea drinking improves bone strength in older women
...rs equate this difference with a 10-20% decline in fracture
Vitamin K intake may be helpful in preventing hip fracture
...ted intake of vitamin K and their incidence of hip fracture
over a 7-year period. Those in the lowest quartile...in K consumption had roughly twice the rate of hip fracture
of those in the highest quartile of consumption. No associations were found between vitamin K and bo...
Cadmium makes brittle bones in Rocky Mt. birds
... really get hammered," Larison said. "Their bones fracture
easily so they die at a younger age and they don't have enough calcium to build normal eggshells." The average ptarmigan could accumulate toxic kidney-cadmium levels after just 600 days of eating cadmium-rich plants, the ecologists estimated for th...
Isoflavone-rich soy products may prevent bone loss in women
...enopause leading to osteoporosis and possible bone fracture
in later life. Current prevention includes hormone replacement therapy (HRT), but some women elect not to take this because of possible undesirable side effects. In a study by Alekel et al. published in The American Journal of Clinical Nutrition, con...
Study: osteoporosis doubles risk of fractures in nursing homes
...ive at home. Now, the first large study to examine fracture
rates of women living in nursing homes found that ...average were more than twice as likely to suffer a fracture
than women with higher-than-average bone density levels. The risk was more than three times greater ...
October Geology and GSA Today highlights
...nes would have also escaped to the surface via the fracture
network. High-pressure crystallization of salts within fractures may provide an efficient mechanism for differential plate separation, horizontal movement, and formation of new fractures on the surface of Europa. Did two massive earthquakes in the H...
High animal protein intake may increase risk of bone loss and fractures in elderly women, UCSF study finds
... intake can decrease the risk of bone loss and hip fracture
in elderly women, Sellmeyer stressed that the point of the study is not to recommend women give up eating meat or cheese. "Protein is very important in maintaining strong bones and muscles. We don't want people to stop eating animal protein," she...
Ancient underground fractures may threaten ground water supplies
... inches (3.9 meters) through a fracture
in this test pit during one year, but only 14 inches (0.4 meters) when moving through unfractured soil. "Our research suggests that substantial amounts of water and contaminants can move th...
Coping with natural disasters along the Pacific Rim
...cur along California`s San Andreas fault - a giant fracture
in the Earth that marks the boundary between the North American and Pacific tectonic plates. Continuous grinding between those two massive plates produces underground stresses that eventually trigger destructive quakes up and down the fault system. W...
Scientists selectively activate "cell rescue" pathway in bone cells
...ight men over 50 will have an osteoporosis-related fracture
in her or his lifetime. Osteoporosis is responsible for more than 1.5 million fractures annually, including 300,000 hip fractures, approximately 700,000 vertebral (spinal) fractures, 250,000 wrist fractures, and more than 300,000 fractures at other s...
How to build strong bones: Get milk, lose the booze
..., should osteoporosis occur, the bones would reach fracture
threshold sooner." Most studies of the effects of alcohol on bone use animals that are still growing. Sampson's study is one of the first to demonstrate actual bone loss in animals that begin drinking as adults. This is an important distinction...