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Bone quality regulator identified, suggests drug target

Researchers have discovered that transforming growth factor beta (TGF-ß) regulates bone matrix properties, which affect bone elasticity, toughness, and resistance to fracture. The study suggests that targeting TGF-ß signaling could improve bone quality, potentially preventing osteoporosis and improving bone repair.

Inherent vascular repair key to atherosclerosis

Researchers identify clusters of genes expressed at distinct phases of disease progression, linking chronic disease to body's repair machinery. The findings suggest stimulating or maintaining successful repair processes in heart patients could prevent atherosclerosis development.

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Brain plays key role in regulating bone density

Researchers at the Hebrew University of Jerusalem have discovered that the brain regulates bone density by controlling the activity of interleukin 1 protein. This finding holds promise for developing new treatments for osteoporosis.

Nanotubes inspire new technique for healing broken bones

Researchers have developed a new technique using carbon nanotubes to mimic the role of collagen in bone tissue, leading to improved mechanical strength and flexibility for artificial bone grafts. This breakthrough could lead to a new type of bone graft for fractures and potentially even treat osteoporosis.

Dinosaur fossil bone leads to gender, age determinations

Researchers at North Carolina State University discovered a link between dinosaurs and living birds by finding medullary bone in a T. rex fossil, indicating the dinosaur was female and likely producing eggs. The presence of this tissue provides an objective means of sexing dinosaurs.

Gene therapy converts dead bone graft to new, living tissue

A new gene therapy technique converts dead bone grafts into fully functional, living tissue by triggering the body's natural bone remodeling response. This method uses genetically modified viruses to activate key proteins in healthy bones, effectively turning a dead bone splint into the patient's own, whole bone.

Research questions transplant safety procedure

A study led by Michigan State University scientists found that lyophilization does not improve the safety of bones and tissues for transplantation, contradicting current clinical beliefs. The researchers tested five samples each of infected bone and tissue through lyophilization and found that the virus survived the process.

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Improving bone implant technology

Immediate weight-bearing pressure can lead to fibrous tissue formation instead of normal bone, hindering implant performance. Bioengineers aim to determine the ideal loading amount and timing to prevent this issue and increase the success rate of implants.

Treatment for acne may cause the appearance of discolored gums

A Mayo Clinic case report reveals that long-term minocycline users are at risk of developing dental staining, causing blackish-blue appearance of the gums. The study emphasizes the need for collaboration between medical and dental professionals to ensure proper oral health management.