Tag

Calcium Signaling

All articles tagged with #calcium signaling

health14 days ago•9 min saved

New Stem Cell Discovery Offers Drug Target for Common Spine Disorder

Researchers at Weill Cornell Medicine have identified a specific stem cell population responsible for generating tendons and ligaments, finding that these cells become overactive in patients with lumbar spinal stenosis. By targeting calcium signaling pathways in these cells, scientists successfully blocked tissue overgrowth in mouse models, suggesting that existing blood pressure medications could potentially be repurposed to treat this widespread condition without surgery.

via SciTechDaily|

#calcium-signaling #health #ligament-overgrowth

science28 days ago•4 min saved

Whole-Body Imaging Unmasks Real-Time Cellular Dialogue Across a Living Organism

Researchers unveiled WHOLISTIC, a whole-organism live-imaging method that makes nearly every cell express fluorescent calcium sensors to watch real-time signaling across an entire body, first demonstrated in transparent zebrafish and Danionella cerebrum. The technique links brain, muscles, and organ systems in a single animal, reveals unexpected activity in cartilage cells and meninges, and promises a platform for studying physiology, neuroscience, and behavior across the body.

via ScienceAlert|

#calcium-signaling #multi-organ-interactions #science

science4 months ago•5 min saved

Calcium Sparks in Brain's Immune Cells Fuel Anxiety and Compulsive Grooming

University of Louisville researchers reveal that calcium signaling within Hoxb8 microglia, a brain immune cell type, acts as a switch for anxiety and compulsive grooming in mice. Artificially increasing calcium triggers these behaviors, while blocking calcium entry prevents them, implicating microglial calcium homeostasis as a potential target for neuropsychiatric conditions such as autism and OCD.

via Neuroscience News|

#anxiety #calcium-signaling #compulsive-grooming

science1 year ago•5 min saved

MIT research reveals star-shaped brain cells' role in memory storage

New research suggests star-shaped brain cells called astrocytes may play a central role in memory storage through a network architecture involving calcium signaling, potentially revolutionizing our understanding of brain function and offering new therapeutic and AI development avenues.

via Live Science|

#astrocytes #brain-cells #calcium-signaling

science1 year ago•5 min saved

Synergy of Electrical and Calcium Signals Enhances Brain Performance

Researchers at the University of Vermont have discovered a mechanism called Electro-Calcium (E-Ca) coupling, which integrates electrical and calcium signaling in brain capillaries to regulate blood flow to active neurons. This process enhances blood flow by 76%, offering potential therapeutic insights for neurological diseases like Alzheimer's by restoring disrupted blood flow. The study highlights the interconnected role of electrical and calcium signals in maintaining brain health and cognitive function.

via Neuroscience News|

#alzheimers-disease #blood-flow #brain-health

science3 years ago•25 min saved

"Unveiling the Bioelectrical Phase Transition that Initiates Vertebrate Heartbeats"

Researchers have discovered that a bioelectrical phase transition is responsible for patterning the first heartbeats in vertebrates. Using advanced imaging techniques and optogenetics, the study revealed that calcium signaling plays a crucial role in initiating the heartbeat, preceding cardiac differentiation. The findings provide new insights into the early development of the heart and could have implications for understanding heart defects and potential therapeutic interventions.

via Nature.com|

#bioelectrical-phase-transition #calcium-signaling #cardiac-development

health3 years ago•5 min saved

Unveiling the Link Between Aging and Chronic Inflammation: A Breakthrough Discovery

Researchers at the University of Virginia School of Medicine have discovered a key mechanism of aging - improper calcium signaling in the mitochondria of immune cells called macrophages, leading to chronic inflammation. As we age, these mitochondria lose their ability to process calcium, contributing to age-related conditions. By increasing calcium uptake in these cells, it may be possible to prevent harmful inflammation and slow down the aging process. This discovery opens up new therapeutic strategies for age-associated inflammation and could potentially impact cardiometabolic and neurodegenerative diseases.

via Neuroscience News|

#aging #calcium-signaling #chronic-inflammation

science-and-technology3 years ago•3 min saved

"Light-activated molecular machines revolutionize cell communication and drug delivery"

Scientists at Rice University have used light-activated molecular machines to trigger intercellular calcium wave signals, offering a new approach to controlling cellular activity. By rotating small-molecule-based actuators with visible light, they induced a calcium-signaling response in smooth muscle cells. This breakthrough could lead to improved treatments for heart problems, digestive issues, and other diseases characterized by calcium-signaling dysfunction. The ability to control cell-to-cell communication in muscle tissue at the molecular level has the potential to revolutionize medical interventions.

via Phys.org|

#calcium-signaling #cellular-activity #drug-design