Cathepsin K in treatment monitoring following intravenous zoledronic acid

Jahn,Oliver; Wex,Thomas; Klose,Silke; Kropf,Siegfried; Adolf,Daniela; Piatek,Stefan

doi:10.3892/br.2014.360

November-December 2014 Volume 2 Issue 6

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November-December 2014 Volume 2 Issue 6

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Article

Cathepsin K in treatment monitoring following intravenous zoledronic acid

Authors:
- Oliver Jahn
- Thomas Wex
- Silke Klose
- Siegfried Kropf
- Daniela Adolf
- Stefan Piatek
View Affiliations / Copyright

Affiliations: Department of Trauma Surgery, Otto von Guericke University, D‑39120 Magdeburg, Germany, Department of Gastroenterology, Hepatology and Infectious Diseases, Otto von Guericke University, D‑39120 Magdeburg, Germany, Department of Nephrology, Hypertension, Endocrinology and Metabolic Diseases, Otto von Guericke University, D‑39120 Magdeburg, Germany, Department of Biometry and Medical Informatics, Otto von Guericke University, D‑39120 Magdeburg, Germany
Pages: 915-917
|
Published online on: September 10, 2014

https://doi.org/10.3892/br.2014.360
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Abstract

Cathepsin K (CatK) is mainly expressed by osteoclasts and plays an important role in bone resorption. As CatK is expressed and secreted by osteoclasts during active bone resorption, it may be a useful and specific biochemical marker of osteoclastic activity. Therefore, CatK serum levels were studied for monitoring the treatment of females with postmenopausal osteoporosis by zoledronic acid. The serum CatK levels were determined in nine postmenopausal females before and after 3, 6 and 12 months of treatment. The levels were significantly reduced after 3 and 6 months (P<0.05), whereas they returned to baseline after 1 year. Taken together, the serum level of CatK may be suitable for monitoring anti‑osteoporotic therapy in association with treatment response.

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