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Scientists find a bone-building switch that could fight osteoporosis

10 hours 25 minutes ago
An experimental compound called AP503 significantly strengthened bones in mice by activating GPR133, a receptor that boosts bone formation while slowing bone loss. Because the same treatment has also been linked to stronger muscles, researchers see intriguing potential for combating age-related decline and osteoporosis.

Ozempic and Wegovy linked to nearly 40% fewer asthma attacks

11 hours 11 minutes ago
Semaglutide, the drug found in Ozempic and Wegovy, was linked to nearly 40% fewer asthma attacks in a large real-world study. It was also associated with about 20% fewer COPD flare-ups. Researchers say GLP-1 drugs may offer respiratory benefits in addition to their effects on diabetes and obesity, but clinical trials are needed to confirm the findings.

Lasker~Bloomberg Public Service Award to Michael J. Fox: The challenge of Parkinson's disease

14 hours 18 minutes ago
This year's Lasker~Bloomberg Public Service Award honors the singular achievement of Michael J. Fox, who has devoted much of his life to a philanthropic effort to conquer Parkinson's Disease (PD), a progressive neurodegenerative disorder that afflicts many millions of patients world-wide. Just a few years after his diagnosis of PD at the tender age of 29, Fox pivoted in part from his enormous success in acting [leading roles in the Back to the Future trilogy (1985-1989) and in the hit National...
Randy Schekman

3D Culture Reverses Limbal Niche Cell Replicative Aging via FOSL1 Upregulation

14 hours 18 minutes ago
Limbal niche cells (LNCs) serve as essential regulators of limbal microenvironmental homeostasis and corneal epithelial wound repair, representing a promising therapeutic resource for limbal stem cell deficiency (LSCD). However, their clinical application is constrained by replicative aging during in vitro expansion. In this study, we investigated whether a three-dimensional (3D) Matrigel-based culture system could modulate replicative aging in LNCs. Compared with conventional two-dimensional...
Xuying Wang

Bone marrow myelopoiesis dysfunction in Alzheimer's disease limits monocyte homing to the brain and drives disease progression

14 hours 18 minutes ago
Bone marrow-derived macrophages were shown to play an important role in coping with Alzheimer's disease (AD). Boosting their spontaneous recruitment reduces inflammation and disease pathology and slows cognitive decline in mouse models of amyloidosis. However, the factors limiting their spontaneous homing to the diseased brain remain unclear. In this study, we discovered that monocyte development is impaired in mouse models and in patients. In the 5×FAD mouse model, monocyte differentiation was...
Miguel Angel Abellanas