Tag

Bone Remodeling

All articles tagged with #bone remodeling

Bones as a living signaling system that shapes your health
health2 months ago

Bones as a living signaling system that shapes your health

Bones are dynamic, living tissues that continually remodel in response to activity and hormones. They regulate minerals such as calcium and phosphate, support blood cell production in bone marrow, and emit signals that influence energy metabolism and other organs. Regular weight‑bearing exercise and adequate calcium and vitamin D help maintain bone strength, while aging and hormonal changes can raise osteoporosis risk. After fractures, bones heal through staged repair, underscoring bone health as a daily, integrative body function.

Vitamin K Orchestrates Bone Remodeling via GAS6 Signaling
science2 months ago

Vitamin K Orchestrates Bone Remodeling via GAS6 Signaling

A study reveals a vitamin K–dependent signaling pathway in osteoblasts that regulates osteoclast maturation and bone resorption via GAS6-TAM signaling; deleting γ-glutamyl carboxylase in osteoblasts increases bone mass by reducing resorption, while GAS6 stimulates osteoclast formation; elevated GAS6 lowers bone density in vivo, highlighting GAS6/TAM signaling as a potential osteoporosis target.

Single-dose injection shows potential to repair arthritic joints in weeks
science4 months ago

Single-dose injection shows potential to repair arthritic joints in weeks

Animal studies show a single injection can restore arthritic joints to a healthy state within 4–8 weeks, rebuilding cartilage and bone and signaling repair pathways; researchers are also pursuing a patch approach for larger defects, with safety-focused human trials expected by late 2027 under the NITRO program, though a clinic-ready treatment is not yet available.

Bone-Strength Switch Found: GPR133 May Redefine Osteoporosis Therapy
science4 months ago

Bone-Strength Switch Found: GPR133 May Redefine Osteoporosis Therapy

Scientists identified GPR133 as a receptor that senses mechanical strain and coordinates osteoblasts and osteoclasts, acting as a switch to boost bone formation while reducing bone degradation. In mice, activating GPR133 with the compound AP503 increased bone strength in both healthy and osteoporosis models, suggesting a balanced, potentially safer new approach to osteoporosis treatment, though human trials are needed.