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Related Experiment Videos

Circulation immune complexes after renal transplantation

B J Junor, A J d'Apice, P Kincaid-Smith

    Transplantation
    |August 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

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    The C1q-binding assay for immune complexes is unreliable for monitoring renal transplant rejection. High rates of false positives and negatives limit its clinical utility in post-transplant patient care.

    Area of Science:

    • Nephrology
    • Immunology
    • Transplantation

    Background:

    • Circulating immune complexes (CICs) play a role in transplant rejection.
    • The C1q-binding assay (C1qBA) is a method to detect CICs.

    Purpose of the Study:

    • To evaluate the reliability of the C1qBA for monitoring renal transplant recipients.
    • To assess the association between C1qBA levels and renal transplant rejection.

    Main Methods:

    • Liquid phase C1q-binding assay performed on 147 renal transplant recipients.
    • Serial monitoring of 36 patients from transplantation.
    • Statistical analysis of C1qBA levels against rejection events and original renal diseases.

    Main Results:

    • Abnormal C1qBA levels were most common in the first 6 months post-transplant.

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  • Elevated C1qBA showed a statistically significant association with rejection, but with high false positive and negative rates.
  • No association was found between C1qBA and original renal diseases.

    • Conclusions:

    • The C1q-binding assay is an unreliable method for monitoring circulating immune complexes in renal transplant recipients.
    • Its high rate of inaccuracies makes it unsuitable for guiding clinical decisions regarding rejection in transplant patients.