Update on the Correlation Between Mitochondrial Dysfunction and Intervertebral Disk Degeneration

Area of Science:

• Orthopedics
• Cell Biology
• Biochemistry

Background:

• Low back pain (LBP) is a prevalent orthopedic condition affecting all ages, with potential for chronicity.
• Mitochondria, crucial for energy and cellular processes like senescence and apoptosis, play a key role in maintaining tissue homeostasis.
• Mitochondrial dysfunction is increasingly implicated in the pathophysiology of various degenerative diseases.

Purpose of the Study:

• To review the molecular mechanisms linking mitochondrial dysfunction to intervertebral disc degeneration (IDD).
• To provide a theoretical foundation for developing novel therapeutic strategies for IDD.

Main Methods:

• Literature review focusing on molecular mechanisms.
• Analysis of the role of mitochondria in cellular processes relevant to IDD.
• Synthesis of information on oxidative stress, mitophagy, and homeostasis in IDD.

Main Results:

• Mitochondrial dysfunction impacts multiple pathophysiological pathways in IDD.
• Key processes affected include oxidative stress, mitophagy, mitochondrial homeostasis, cellular senescence, and apoptosis.
• These dysfunctions collectively contribute to the progression of intervertebral disc degeneration.

Conclusions:

• Mitochondrial dysfunction is a significant driver of intervertebral disc degeneration.
• Targeting mitochondrial pathways offers potential for pharmacological and tissue-engineering treatments for LBP and IDD.