All articles tagged with #neural stem cells
German scientists have successfully reprogrammed human blood cells into neural stem cells, reversing their molecular age by over 60 years. This direct conversion method bypasses traditional embryonic stages, allowing researchers to track gradual rejuvenation over 100 days and potentially develop new models for studying neurodegenerative diseases.
Researchers show that upregulating the neural stem cell protein DMTF1 reverses aging-related proliferation decline in neural stem cells, restoring their growth in human and mouse models via chromatin remodeling and telomere-related pathways—offering a framework for brain repair therapies, though the work is early-stage.
Researchers have identified the transcription factor DMTF1 as a key regulator that preserves neural stem cell activity in aging brains. In aging models with telomere damage, DMTF1 levels drop and neural stem cell regeneration declines; reactivating DMTF1 restores regenerative capacity and reveals its role in activating helper genes that open chromatin for growth-related genes. This suggests potential therapies to slow cognitive aging by boosting neural stem cell function, though most work so far is in vitro, with the long-term aim of developing small molecules to safely enhance DMTF1 without increasing brain tumor risk.
Researchers at Texas A&M University have developed a potential treatment for Alzheimer's disease using a nasal spray containing extracellular vesicles derived from human neural stem cells. This non-invasive method targets chronic neuroinflammation, reducing amyloid-beta plaques and Tau accumulation, and improving cognition and mood in animal models. The treatment alters microglia gene expression, reducing harmful inflammation while maintaining their ability to clear amyloid-beta. The approach could delay Alzheimer's progression by 10 to 15 years, with further studies planned to confirm its efficacy.
Researchers at Tohoku University have discovered that lactate, a byproduct of exercise and metabolism, plays a critical role in the development of neural stem cells into specialized neurons. Lactate sends signals to these cells, modifying and strengthening neuronal functions. The findings suggest that lactate signaling could be harnessed to prevent or control cognitive diseases. This study provides new insights into the mechanisms by which lactate affects brain development and neuronal differentiation, potentially paving the way for future therapeutic interventions.