Inflammation and kidney stones: cause and effect?

Area of Science:

• Nephrology
• Immunology
• Pathology

Background:

• Nephrolithiasis is often viewed as a consequence of inflammation, but emerging evidence suggests inflammation is a key pathological driver.
• The relationship between inflammation and kidney stone formation is likely bidirectional, creating a cycle of tissue injury and stone recurrence.

Approach:

• Review of recent preclinical and clinical studies.
• Analysis of data from stone disease models and patient kidney tissue.
• Focus on immune cell involvement and molecular pathways like the NLRP3 inflammasome.

Key Points:

• Inflammation plays a critical role in the pathogenesis of nephrolithiasis.
• Pro-inflammatory cytokines, including interleukin-1β and interleukin-18, contribute to tissue injury and stone formation.
• The NLRP3 inflammasome and immune cells are central to the inflammatory process in kidney stones.

Conclusions:

• Targeting inflammation presents a novel therapeutic strategy for kidney stones.
• Anti-inflammatory treatments may be beneficial for acute management and prevention, particularly in recurrent stone formers.
• This approach holds promise for patients with specific metabolic causes of stones, such as uric acid or calcium oxalate stones.