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Fructose‑1,6‑bisphosphatase‑1 decrease may promote carcinogenesis and chemoresistance in cervical cancer.

Haoran Li1, Mengjiao Li1, Yangyang Pang2

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Summary
This summary is machine-generated.

Decreased expression of Fructose-1,6-bisphosphatase-1 (FBP1) in cervical cancer patients is linked to poorer survival and increased recurrence. Restoring FBP1 may improve chemoresistance, suggesting its potential as a prognostic marker.

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Area of Science:

  • Oncology
  • Biochemistry
  • Molecular Biology

Background:

  • Fructose-1,6-bisphosphatase-1 (FBP1), a key gluconeogenesis enzyme, plays a role in various cancer types.
  • Its involvement in cervical cancer carcinogenesis and chemoresistance requires further elucidation.

Purpose of the Study:

  • To investigate the association between FBP1 expression and cervical squamous cell carcinoma (CSCC) prognosis and chemoresistance.
  • To evaluate FBP1's potential as a predictive biomarker in CSCC patients.

Main Methods:

  • Analysis of FBP1 protein expression via immunohistochemistry in 140 CSCC patient tumor tissues.
  • Assessment of FBP1 mRNA levels in tumor versus normal cervical tissues.
  • Correlation analysis of FBP1 expression with clinical outcomes, tumor stage, recurrence, and in vitro chemosensitivity assays.

Main Results:

  • Low FBP1 protein expression was observed in 50% of CSCC cases and correlated with shorter overall survival (P=0.011).
  • FBP1 mRNA was downregulated in tumor tissues compared to normal tissues.
  • Loss of FBP1 expression was significantly associated with tumor recurrence (P=0.025) and advanced tumor stage (P<0.0001).

Conclusions:

  • Decreased FBP1 levels serve as a potential predictor of poor prognosis in cervical cancer patients.
  • Overexpression of FBP1 suppressed carcinogenesis and enhanced chemosensitivity to cisplatin in cervical cancer cell lines.
  • Further investigation into the underlying mechanisms of FBP1's role in cervical cancer is warranted.