CD147 renal expression as a biomarker for progressive IgAN.

Area of Science:

• Nephrology
• Immunology
• Molecular Biology

Background:

• Tubulointerstitial injury is a key predictor of renal outcomes in IgA nephropathy (IgAN).
• CD147 is implicated in renal tubulointerstitial fibrosis in preclinical models.
• The role of CD147 in IgAN-related tubulointerstitial injury requires investigation.

Purpose of the Study:

• To investigate the expression and localization of CD147 in IgAN kidney tissues.
• To correlate CD147 expression with clinical and histological parameters in IgAN patients.
• To assess the prognostic value of CD147 in IgAN renal survival.

Main Methods:

• Immunohistochemical analysis of CD147 expression in renal biopsy samples from IgAN patients and controls.
• Correlation analysis of CD147 immunostaining scores with clinical data (eGFR, serum creatinine) and histological findings (tubulointerstitial lesions).
• Kaplan-Meier survival analysis and multivariate regression to evaluate CD147 as an independent predictor of renal outcomes.

Main Results:

• CD147 was significantly upregulated in renal tubules of IgAN patients compared to normal controls.
• Elevated CD147 expression correlated negatively with eGFR and positively with serum creatinine and tubulointerstitial lesions.
• High CD147 levels were associated with decreased renal survival and predicted poor renal outcomes independently.

Conclusions:

• CD147 expression is significantly associated with tubulointerstitial injury in IgA nephropathy.
• CD147 serves as a potential biomarker for predicting renal prognosis in IgAN patients.
• CD147 may represent an early indicator of tubulointerstitial damage in IgAN.