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Generation of Patient-Derived Podocytes from Skin Biopsies
Published on: May 26, 2023
Urinary podocyte excretion as a marker for preeclampsia
Vesna D Garovic1, Steven J Wagner, Stephen T Turner
1Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN 55905, USA. garovic.vesna@mayo.edu
American Journal of Obstetrics and Gynecology
|April 4, 2007
Summary
Podocyturia, or urinary podocyte excretion, is a highly sensitive and specific marker for preeclampsia. This finding suggests podocyturia may be a valuable diagnostic tool for preeclampsia, outperforming current angiogenic factor tests.
Area of Science:
- Nephrology
- Obstetrics
- Pathology
Background:
- Preeclampsia is a serious pregnancy complication.
- Angiogenic factors like s-Flt-1, PlGF, and endoglin are implicated in preeclampsia pathogenesis.
- The presence and diagnostic utility of podocyturia in preeclampsia are not well-established.
Purpose of the Study:
- To determine if podocyturia is present in patients with preeclampsia.
- To compare the diagnostic accuracy of podocyturia with serum angiogenic factors for preeclampsia.
- To investigate the role of podocyturia in preeclampsia-related proteinuria.
Main Methods:
- Serum angiogenic factors (s-Flt-1, PlGF, endoglin) were measured in 44 preeclampsia patients and 23 controls.
- Urinary podocyturia was identified and quantified using podocyte-specific proteins in a subset of patients.
- Test characteristics of podocyturia and angiogenic factors were compared for preeclampsia diagnosis.
Main Results:
- All patients with preeclampsia exhibited urinary podocyte excretion (podocyturia).
- Podocyturia demonstrated a higher positive predictive value for diagnosing preeclampsia compared to all measured angiogenic factors.
- The study identified and quantified urinary podocyturia in preeclampsia patients.
Conclusions:
- Podocyturia is a highly sensitive and specific diagnostic marker for preeclampsia.
- Podocyturia may play a role in the development of proteinuria observed in preeclampsia.
- Urinary podocyte excretion offers a promising diagnostic approach for preeclampsia.
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