May 22 • General Discussion
New Pancreas-Brain Axis Discovered To Treat Severe Pancreatitis Pain
Acute pancreatitis induces severe visceral pain that often resists standard treatment. This persists because the neural architecture relaying signals from the pancreas to the brain was previously incomplete.
Researchers have identified a specific pancreas-brain axis mediated by the vagus nerve. This circuit works alongside spinal pathways to transmit inflammatory pain signals.
The mechanism involves the cytokine TNF-α, which sensitizes TRPV1+ neurons in the nodose ganglia. These neurons relay to glutamatergic neurons in the nucleus tractus solitarius (NTS).
The circuit then projects to glutamatergic neurons in the paraventricular nucleus of the hypothalamus (PVN). Inhibiting this NTS-to-PVN pathway effectively alleviates pain behaviors.
This discovery provides a precise anatomical target for treating refractory inflammatory pain.
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New Pancreas-Brain Axis Discovered To Treat Severe Pancreatitis Pain
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