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Establishing a Mouse Model of a Pure Small Fiber Neuropathy with the Ultrapotent Agonist of Transient Receptor Potential Vanilloid Type 1

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Peripheral systems: neuropathy.

Rajani P Maiya¹, Robert O Messing¹

¹College of Pharmacy, University of Texas, Austin, TX, USA.

Handbook of Clinical Neurology

|October 14, 2014

Summary

This summary is machine-generated.

Excessive alcohol consumption causes alcoholic neuropathy, damaging peripheral nerves through direct toxicity and oxidative stress. Abstinence and B vitamin supplements may help, but new treatments are needed.

Keywords:

acetaldehyde alcohol use disorder axonal transport cytoskeleton ethanol folate neuropathy oxidative stress pain protein kinase C epsilon thiamine

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Traumatic Peripheral Nerve Injury in Mice

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Published on: March 25, 2022

Area of Science:

Neuroscience
Toxicology
Neurology

Background:

Alcoholic neuropathy is a common complication of chronic alcohol abuse.
It is characterized by sensory and motor deficits, axonal degeneration, and nerve conduction abnormalities.
Nutritional deficiencies, particularly B vitamins, often accompany alcoholism and contribute to nerve damage.

Purpose of the Study:

To review the clinical manifestations of alcoholic neuropathy.
To explore the molecular mechanisms underlying ethanol's neurotoxicity in peripheral nerves using animal models.
To discuss current treatment strategies and the need for novel therapeutic approaches.

Main Methods:

Review of clinical findings in patients with alcoholic neuropathy.
Analysis of recent studies using animal models to elucidate ethanol's effects on peripheral nerve function.
Examination of molecular pathways, including acetaldehyde toxicity, oxidative stress, protein kinase Cε signaling, and axonal transport disruption.

Main Results:

Ethanol causes direct neurotoxic effects via acetaldehyde and oxidative stress.
Ethanol activates signaling pathways that lower nociceptive thresholds.
Ethanol disrupts cytoskeletal function and axonal transport, leading to nerve degeneration.

Conclusions:

Alcoholic neuropathy involves complex molecular mechanisms including direct toxicity and altered signaling.
While abstinence and nutritional support are foundational, treatment variability highlights the need for new therapies.
Further research into molecular mechanisms is crucial for developing effective treatments for alcoholic neuropathy.