Circulating Endoglin Concentration Is Not Elevated in Chronic Kidney Disease
2011

Circulating Endoglin Levels in Chronic Kidney Disease

Sample size: 216 publication 10 minutes Evidence: moderate

Author Information

Author(s): Charytan David M., Helfand Alexander M., MacDonald Brian A., Cinelli Angeles, Kalluri Raghu, Zeisberg Elisabeth M.

Primary Institution: Brigham and Women's Hospital, Boston, Massachusetts, United States of America

Hypothesis

Elevations in the concentration of circulating endoglin in CKD could contribute to the progression of CKD and underlie the association of CKD and cardiovascular disease.

Conclusion

Renal function is not associated with the circulating concentration of soluble endoglin, suggesting that increases in endoglin levels are unlikely to contribute to CKD progression or cardiovascular disease risk.

Supporting Evidence

  • Serum endoglin concentration did not vary significantly with CKD stage.
  • Endoglin concentration was not higher in individuals with ESRD than in those with preserved renal function.
  • The study included 216 patients, with 118 having stage 3 or higher CKD.

Takeaway

This study looked at a protein called endoglin in people with kidney disease and found that it doesn't increase as kidney function worsens, which means it likely doesn't cause heart problems in these patients.

Methodology

The study measured serum endoglin concentration in individuals with and without CKD and analyzed the association with eGFR and CKD stage using regression models.

Potential Biases

The single-center design may limit the generalizability of the findings.

Limitations

The study was limited by the inability to measure GFR directly and the small number of individuals with ESRD.

Participant Demographics

Participants were aged 18-80, with a mix of genders and races, recruited from a single center.

Statistical Information

P-Value

0.09

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023718

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