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Granisetron

Granisetron

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Substance Overview and History

Granisetron, a 5-HT3 receptor antagonist primarily used for chemotherapy-induced nausea, has shown potential in treating Alzheimer’s disease (AD). By blocking 5-HT3 receptors, granisetron reduces calcium influx and neuronal depolarization, mitigating calcium dyshomeostasis common in AD. Studies in TgSwDI mice demonstrated granisetron’s ability to enhance blood-brain barrier integrity, reduce amyloid-β accumulation, and alleviate neuroinflammation. These effects were linked to cognitive improvements and the normalization of calcium-related pathways like CamKII/CREB signaling, highlighting its disease-modifying potential.

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FAQ
What is Granisetron typically used for?
Granisetron is a 5-HT3 receptor antagonist commonly used to prevent chemotherapy-induced nausea and vomiting.
How is Granisetron relevant to Alzheimer’s disease?
Research suggests it may protect against Alzheimer’s disease by enhancing blood-brain barrier (BBB) integrity, reducing amyloid-β (Aβ) accumulation, and mitigating calcium imbalance in neurons.
What is the role of Granisetron in blood-brain barrier function?
Granisetron strengthens the BBB, preventing Aβ-induced damage and promoting Aβ clearance, which is crucial in reducing Alzheimer’s pathology.