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Some neurons in the heart's 'mini brain' may be essential for normal function in mice

A post about the study says mice developed fatal heart problems after researchers disrupted certain heart neurons.

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Your Heart Has a Hidden “Mini Brain”
Your heart has its own network of neurons that helps control how it beats. Scientists call it the intrinsic cardiac nervous system.
A new study in mice suggests that certain heart neurons may be essential for normal heart function and survival. When researchers disrupted them, the animals developed fatal heart problems.
Scientists hope this discovery could lead to better treatments for dangerous heart rhythm disorders.

TLDR

A post citing a 2026 Cell study by Xu and colleagues describes the heart's intrinsic cardiac nervous system as a network of neurons that helps control its beat. It says mice developed fatal heart problems when researchers disrupted certain heart neurons. The post says the findings could inform treatments for dangerous heart rhythm disorders, but more research is needed to understand whether they apply to humans.

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Some neurons in the heart's 'mini brain' may be essential for normal function in mice

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