All articles tagged with #piezo1
New findings show brain tissue stiffness triggers production of chemical guidance cues via the mechanosensitive Piezo1, linking mechanical forces to neuronal wiring; Piezo1 also helps maintain tissue structure by regulating cell adhesion proteins, suggesting mechanical cues actively shape brain development and may influence disease.
Scientists at the University of Hong Kong identify Piezo1 as an exercise-sensing protein in bone marrow stem cells that shifts fate toward bone-forming osteoblasts and away from fat cells; mice lacking Piezo1 show weaker bones and reduced exercise benefits, while activating its pathway could mimic exercise to combat osteoporosis—though findings are preclinical and demand cautious development for human therapies.
Researchers have identified Piezo1 on bone marrow mesenchymal stem cells as the body’s mechanical sensor that links physical activity to reduced marrow fat and new bone formation; activating this pathway could yield drugs that mimic exercise to slow osteoporosis for patients who cannot move.
Researchers found that PIP2 acts as a brake on Piezo1, a pressure sensor in brain vessels. In Alzheimer’s-model mice, low PIP2 led to Piezo1 overactivation and disrupted brain blood flow, but restoring PIP2 largely normalized flow, suggesting a potential new therapeutic target for dementia—though findings are early and based on mouse studies.
Scientists from HKUMed discovered that the Piezo1 protein acts as an 'exercise sensor' in bones, translating physical activity into signals that strengthen bones and reduce fat accumulation in bone marrow. This breakthrough could lead to the development of drugs that mimic exercise effects, offering new treatments for osteoporosis, especially for those unable to exercise.
Scientists at the University of Vermont have discovered that increasing levels of the phospholipid PIP2 in brain cell membranes may help regulate blood flow in the brain by inhibiting the Piezo1 protein, potentially offering a new approach to treat dementia and related neurovascular diseases.
Scientists at the University of Vermont have discovered that restoring levels of the phospholipid PIP2 can reduce overactivity of the Piezo1 protein in brain blood vessels, potentially improving blood flow and alleviating symptoms of dementia, offering a promising new avenue for treatment.
A new study suggests that interbreeding between Neanderthals and Homo sapiens introduced a gene variant in Neanderthals that may have caused reproductive issues, potentially contributing to their eventual extinction by creating a genetic mismatch that reduced their survival over generations.
Researchers at Imperial College London have successfully filmed the activity of Piezo1 and Piezo2, bodily "pressure sensors" that won the 2021 Nobel Prize in Physiology or Medicine. These ion channels are found throughout the body and play a crucial role in regulating blood pressure, respiration, bladder control, and the immune system. By developing a specific biosensor called GenEPi, the researchers were able to visualize the activity of Piezo1 channels in various cells and organisms. This non-invasive method could lead to new drug targets for diseases such as cancer and provide insights into fundamental physiological processes.