Hydroxyproline in Urine Microvesicles as a Biomarker of Fibrosis in Renal Transplant Patients
Author Information
Author(s): Torres Sánchez María José, Ruiz Fuentes María Carmen, Clavero García Elena, Rísquez Chica Noelia, Espinoza Muñoz Karla, Espigares Huete María José, Caba Molina Mercedes, Osuna Antonio, Wangensteen Rosemary
Primary Institution: Hospital Universitario Virgen de las Nieves, University of Granada
Hypothesis
The study aims to assess hydroxyproline in urine microvesicles as a marker of fibrosis in renal transplant patients.
Conclusion
Hydroxyproline in urinary microvesicles is a potential marker of chronic renal inflammation in transplanted patients.
Supporting Evidence
- Renal transplant patients showed a higher microvesicular concentration of hydroxyproline compared to the control group.
- Patients with inflammation on biopsy had significantly higher hydroxyproline levels than those without.
- No significant correlation was observed between urinary markers and serum creatinine, calcium, and parathyroid hormone.
Takeaway
This study found that renal transplant patients have more hydroxyproline in their urine than healthy people, which might show kidney inflammation.
Methodology
An observational cross-sectional study was conducted on 46 renal transplant patients and 19 healthy controls, measuring hydroxyproline in urine microvesicles.
Limitations
The study is limited by its cross-sectional design and small sample size, with a short follow-up period for assessing renal function.
Participant Demographics
71.74% male, mean age 45.61 years; common CKD etiology was glomerular.
Statistical Information
P-Value
p < 0.001
Statistical Significance
p < 0.001
Digital Object Identifier (DOI)
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