AI Article Synopsis

  • The study aimed to evaluate the expression of HNRNPA3 in bladder cancer and its impact on clinical outcomes and prognosis.
  • Researchers analyzed 122 cancer specimens using immunohistochemistry, categorizing HNRNPA3 expression as high or low and correlating it with factors like lymph node metastasis and other molecular markers.
  • Results showed that high HNRNPA3 expression was linked to worse outcomes, including disease progression and cancer-specific death, suggesting it could serve as a new biomarker for predicting aggressive bladder cancers and guiding treatment decisions after surgery.

Article Abstract

Objective: We sought to identify heterogeneous nuclear ribonucleoprotein A3 (HNRNPA3) expression in bladder cancer and its relationship to clinicopathological findings and prognosis.

Methods: Immunohistochemical staining for HNRNPA3 was performed on 122 archived radical cystectomy specimens, with immunoreactivity being stratified on a 0 to 3 scale. The percentage of HNRNPA3 expressing tumor cells was calculated and multiplied by the staining score over an average of 5 areas to obtain a semiquantitative H-score (maximum value: 300). HNRNPA3 expression was categorized as high (≥80) or low (<80).

Results: The patients' median age was 70 years, and the median follow-up period was 39.4 months. High HNRNPA3 expression was significantly associated with lymph node metastasis (P= 0.014) and S100A8, S100A9 and uroplakin III expression (P= 0.028, 0.002, and 0.047, respectively). Log-rank tests indicated that high HNRNPA3 expression was significantly associated with disease progression and cancer-specific death (P= 0.013 and 0.006, respectively). In the Cox proportional hazards regression analysis, only lymph node metastasis was associated with disease progression and cancer-specific survival.

Conclusion: HNRNPA3 may be a new biomarker to predict biologically aggressive cancers and determine the appropriate treatment modality in patients after radical cystectomy.

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Source
http://dx.doi.org/10.1016/j.urolonc.2020.10.072DOI Listing

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