Tag

Neuromuscular Junction

All articles tagged with #neuromuscular junction

Blocking Chloride Channels May Restore Muscle Strength Lost to Aging

Blocking Chloride Channels May Restore Muscle Strength Lost to Aging

A study in the Journal of Clinical Investigation reveals that age-related muscle weakness is driven by a failure in nerve-to-muscle communication, specifically the loss of sodium channels. Researchers found that blocking chloride channels can restore muscle strength in animal models, offering a potential drug therapy for sarcopenia.

Nerve-Muscle Communication Breakdown Identified as Key Driver of Age-Related Muscle Weakness
health-and-science24 days ago

Nerve-Muscle Communication Breakdown Identified as Key Driver of Age-Related Muscle Weakness

Researchers at the University of Missouri-Columbia have identified a failure in communication between nerves and muscles as a primary cause of age-related muscle weakness, or sarcopenia. The study, published in The Journal of Clinical Investigation, found that declining levels of the protein NaV1.4 impair the neuromuscular junction's ability to transmit signals. By partially inhibiting the protein ClC-1, researchers successfully restored muscle responsiveness and strength in animal models. This finding suggests a potential therapeutic pathway for treating sarcopenia, which affects nearly half of adults over 80, by targeting existing muscle fibers rather than replacing lost mass.

New Research Identifies Nerve-Muscle Communication Breakdown as Key Driver of Age-Related Muscle Weakness
health-and-medicine26 days ago

New Research Identifies Nerve-Muscle Communication Breakdown as Key Driver of Age-Related Muscle Weakness

Researchers at the University of Missouri have identified a breakdown in communication between nerves and muscles as a primary cause of age-related muscle weakness, or sarcopenia. By targeting a specific protein, they successfully improved muscle strength in animal models, offering a potential new treatment pathway.

Alzheimer's May Begin in Peripheral Nerves, Not Just the Brain
science6 months ago

Alzheimer's May Begin in Peripheral Nerves, Not Just the Brain

A study using a human-on-a-chip neuromuscular junction model shows familial Alzheimer’s mutations can impair nerve-to-muscle signaling outside the brain, causing motor deficits independent of brain degeneration and implying that peripheral pathology and early motor changes could inform earlier diagnosis and treatment alongside brain-targeted therapies.