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Dietary protein may reduce hip fractures in the elderly

A new study suggests that higher dietary protein intake can lower the risk of hip fractures in elderly individuals. The research, conducted on 946 seniors from the Framingham Osteoporosis Study, found that those consuming more protein had a significantly lower incidence of hip fractures compared to those with lower protein intake.

University of Nevada School of Medicine physiology professor earns $1.2 million grant over four years to study motility of internal anal sphincter muscle

Professor Kathleen Keef is awarded a four-year, $1.2 million grant from the National Institute of Health to investigate the control of motility in the internal anal sphincter. This research has significant implications for fecal incontinence, affecting millions of Americans and leading to various quality-of-life issues.

TWEAK triggers atrophy of disused muscle

A study in JCB identifies TWEAK as a key trigger for muscle breakdown in disused skeletal muscle. Blocking this pathway could prevent muscle loss in immobilized patients. Inhibiting TWEAK with an antibody was sufficient to block muscle breakdown, suggesting its potential as a therapeutic target.

SourceRockefeller University Press·JournalJournal of Cell Biology·DateMar 22, 2010

Surgeons use neck muscle, surrounding tissue as lip implant

A new procedure using grafts of muscle and connective tissue from the neck has resulted in improved appearance for at least two years. The amount of vermilion showing increased by an average of 20 percent to 24 percent, while the average projection of the upper and lower lip increased by an average of 0.9 to 0.99 millimeters.

SourceJAMA Network·JournalArchives of Facial Plastic Surgery·DateMar 15, 2010

How muscle cells control fatty acid uptake

Researchers at Karolinska Institutet identified the role of VEGF-B protein in regulating fatty acid transport proteins in blood vessel walls, leading to increased fat intake and potential new treatments for metabolic diseases. The study found that blocking VEGF-B signalling may reduce insulin resistance and blood glucose levels.

SourceKarolinska Institutet·JournalNature·DateMar 15, 2010

The new exercise HIT: do less

A new study published in The Journal of Physiology found that short-term high-intensity interval training (HIT) can be an effective alternative to traditional long-term exercise. By incorporating brief bursts of intense exercise, individuals can improve muscle function and burn fat without needing extensive exercise time.

SourceWiley·JournalThe Journal of Physiology·DateMar 12, 2010

Low levels of vitamin D linked to muscle fat, decreased strength in young people

A recent study by Dr. Richard Kremer found that nearly 60% of healthy young women had insufficient vitamin D levels, leading to increased body fat and decreased muscle strength. The research highlights the importance of vitamin D in maintaining overall health and suggests a potential link between low vitamin D levels and various diseases.

SourceMcGill University Health Centre·JournalThe Journal of Clinical Endocrinology & Metabolism·DateMar 5, 2010

Soccer reduces risk of falls and bone fractures

A study published in Scandinavian Journal of Medicine and Science in Sports found that soccer training increases bone density, muscle mass, and postural balance in both young and older adults. The results suggest that soccer is an effective method for reducing the risk of falls and fractures, particularly among women and elderly men.

SourceUniversity of Copenhagen·JournalScandinavian Journal of Medicine and Science in Sports·DateMar 3, 2010

Is an animal's agility affected by the position of its eyes?

Research shows that eye position has no effect on speed and agility in mammals, with some species able to travel as fast as cheetahs without blurring vision. The vestibulo-ocular reflex is adapted through muscle switching, allowing the brain to cope with changing eye positions.

SourceWiley·JournalJournal of Anatomy·DateFeb 22, 2010

JCI online early table of contents: Feb. 1, 2010

Researchers identify potential new targets for preventing early loss of transplanted pancreatic islets, which could improve the efficiency of pancreatic islet transplantation. Meanwhile, studies show that engineering macrophages to store triacylglycerol protects mice from diet-induced insulin resistance and inflammation.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateFeb 1, 2010

Study provides insight into pathway linked to obesity

A new study reveals how the ATP-sensitive potassium channel affects food intake and energy balance, pointing to a potential pathway for managing and preventing obesity. Disrupting the channel's function in mice led to reduced fat deposition and increased energy efficiency, but also impaired endurance.

SourceUniversity of Iowa·JournalCell Metabolism·DateJan 5, 2010

To keep muscles strong, the 'garbage' has to go

Researchers found that mice deficient in a gene required for autophagy develop muscle atrophy and weakening, resembling certain diseases. Maintaining normal autophagy levels is crucial to clear away damaged cells and prevent muscle weakness with age.

SourceCell Press·JournalCell Metabolism·DateDec 1, 2009

Reduced muscle strength associated with risk for Alzheimer's

A study of 970 older adults found that those with weaker muscles were more likely to develop Alzheimer's disease and experience cognitive decline. Muscle strength was also linked to the development of mild cognitive impairment, suggesting a common pathogenesis underlying loss of muscle strength and cognition in aging.

SourceJAMA Network·JournalArchives of Neurology·DateNov 9, 2009

Longer toes, unique ankle structure aid sprinters

Researchers found that sprinters have significantly shorter lever arms in their ankles compared to non-sprinters. This allows muscles to produce greater force without sacrificing speed. The study suggests that a unique foot structure is essential for sprinting success, with longer toes providing an additional advantage.

SourcePenn State·JournalJournal of Experimental Biology·DateNov 3, 2009

Moderate amounts of protein per meal found best for building muscle

A recent study found that consuming moderate amounts of protein per meal, around 30 grams, is most effective for building muscle. Eating larger portions does not necessarily lead to greater muscle synthesis. Shifting extra protein from dinner to lunch and breakfast may help optimize daily intake and reduce muscle loss in the elderly.

SourceUniversity of Texas Medical Branch at Galveston·JournalJournal of the American Dietetic Association·DateOct 26, 2009

Exon-skipping drug prevents muscle wasting, maintains muscle function in dystrophin deficient mice

A new publication in Molecular Therapy outlines the dramatic effects of an exon skipping PPMO in preventing severe deterioration of dystrophin-deficient mice. The treatment restores dystrophin protein expression and maintains near-normal muscle function, suggesting great potential for treating Duchenne muscular dystrophy patients.

SourceRathbun Communications, INC.·JournalMolecular Therapy·DateOct 20, 2009