Chemotherapy-induced peripheral neuropathy: What do we know about mechanisms?

Area of Science:

• Neuroscience
• Oncology
• Pharmacology

Background:

• Effective cancer chemotherapies (e.g., cisplatin, oxaliplatin) often induce peripheral neurotoxicity and neuropathic pain.
• These toxicities manifest as sensory loss, paresthesia, and numbness, significantly impacting patient quality of life and treatment adherence.

Purpose of the Study:

• To review the key molecular mechanisms underlying chemotherapy-induced peripheral neurotoxicity (CIPN).
• To identify potential molecular targets for developing neuroprotective strategies against CIPN.

Main Methods:

• Literature review of studies investigating CIPN mechanisms.
• Analysis of molecular pathways and cellular targets implicated in neurotoxicity.

Main Results:

• CIPN involves structural damage in Dorsal Root Ganglia and sensory nerves.
• Key mechanisms include DNA damage, mitochondrial dysfunction, oxidative stress, ion channel alterations, and aberrant signaling pathways.

Conclusions:

• Understanding the pathogenesis of CIPN is crucial for mitigating its effects.
• Targeting specific molecular players offers a promising avenue for developing effective neuroprotective therapies.