Zusammenfassung
Hintergrund
Nierensteine sind eine häufige und weltweit verbreitete Ursache von Nierenerkrankungen mit einem meist chronischen Verlauf. Kalziumhaltige Steine stellen dabei den größten Anteil dar.
Fragestellung
Ein Verständnis der Pathogenese der Steinbildung ist von therapeutischer Bedeutung, insbesondere um das Wiederauftreten der Erkrankung zu vermindern.
Material und Methoden
Als Grundlage dieses Übersichtsartikels dienen eine selektive Literaturrecherche und eigene Arbeiten zum Thema.
Ergebnisse
Die Steinanalyse und ein 24-Stunden-Sammelurin zur Bestimmung lithogener und litholytischer Substanzen stehen im Zentrum der Diagnostik. Hierbei liefern die ermittelten Konzentrationen von Kalzium, Oxalat, Harnsäure und Zitrat sowie die Bestimmung des pH-Werts und insbesondere die des Harnvolumens wichtige Informationen.
Schlussfolgerungen
Neue Erkenntnisse – erworben in Mausmodellen – sprechen für eine Rolle des Inflammasoms bei der durch Kalziumoxalatkristalle ausgelösten Entzündungsreaktion. In Zukunft könnten sich daraus neue therapeutische Ansatzpunkte ergeben.
Abstract
Background
Renal stones are a common and chronic problem worldwide. The majority of patients with nephrolithiasis form calcium stones.
Objectives
An understanding of the pathogenesis of kidney stones is essential to establish therapeutic approaches and in particular to reduce recurrence.
Methods
This review article is based on a selective literature research and own work.
Results
A stone analysis and 24-hour urine collection for determination of lithogenic and litholytic risk factors provide important information to identify causes for stone formation. The concentration of calcium, oxalate, uric acid, citrate, determination of urine pH and urine volume are essential to define risks for renal stone disease. New findings in mouse models have identified the inflammasomes as a key factor that triggers inflammation in the kidneys secondary to calcium oxalate crystals.
Conclusion
Further understanding of how to modulate the inflammasome response may provide new insights into the pathogenesis of nephrolithiasis and allow the development of novel therapeutic agents to treat renal stone disease in humans.
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Danksagung
Der Autor dankt Professor Andrew Evan, Indiana University School of Medicine, USA, für die Bereitstellung der Abbildung 1.
Einhaltung ethischer Richtlinien
Interessenkonflikt. F. Knauf gibt an, dass kein Interessenkonflikt besteht.
Dieser Beitrag beinhaltet keine Studien an Menschen oder Tieren.
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Knauf, F. Neue Einblicke in die Pathogenese der Nierensteine. Nephrologe 9, 196–203 (2014). https://doi.org/10.1007/s11560-013-0850-0
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DOI: https://doi.org/10.1007/s11560-013-0850-0