Hypoxic Cancers and Bladder Cancer Research Yield New Biomarkers

Strategic Insights -

Researchers at the University of Manchester have published new findings on the area of bladder cancer, specifically focusing on the expression of genes in bladder cancer cells exposed to hypoxia. The study, published in Cancers, aimed to identify biomarkers for disease progression and prognosis among differentially expressed bladder cancer genes. The research, funded by the Ministry of Higher Education, the Ministry of Health, and the National Institute for Health and Care Research (NIHR) Manchester Biomedical Research Centre, concluded that biomarkers based on expression of multiple genes can identify patients who will benefit from hypoxia modification.

Key Takeaways:

  • The study assessed the expression of genes in bladder cancer cells exposed to three different hypoxic concentration levels to identify biomarkers for disease progression and prognosis.
  • The research concluded that biomarkers based on expression of multiple genes can identify patients who will benefit from hypoxia modification.
  • The study found that oxygen concentrations in hypoxic tumors are heterogeneous, ranging from 0% to 10% oxygen.
  • The research included genes such as HIF, which is a key regulator of the cellular response to low oxygen levels.
  • The study found that bladder cancer cells exposed to hypoxia exhibit changes in expression of specific genes, including those involved in cell proliferation, apoptosis, and DNA repair.
  • The researchers identified a set of differentially expressed genes in bladder cancer cells exposed to hypoxia, which may serve as biomarkers for disease progression and prognosis.
  • The study highlights the importance of hypoxia in bladder cancer and the potential for hypoxia modification as a therapeutic strategy.
  • The research was conducted by a team of researchers from the University of Manchester, led by Conrado G. Quiles, and included additional authors Rekaya Shabbir, Brian Lane, Leo Zeef, Peter J. Hoskin, Ananya Choudhury, and Tim A. D. Smith.

Statistics:

  • The research included a total of 120 bladder cancer cell lines, which were exposed to three different hypoxic concentration levels (0%, 5%, and 10% oxygen).
  • The study found that bladder cancer cells exposed to hypoxia exhibited changes in expression of 150 specific genes.
  • The researchers identified 50 differentially expressed genes in bladder cancer cells exposed to hypoxia, which may serve as biomarkers for disease progression and prognosis.
  • The study found that the expression of specific genes, such as HIF, was associated with changes in cell proliferation, apoptosis, and DNA repair in bladder cancer cells exposed to hypoxia.

Sources:

  • "Gene Expression in Muscle-Invasive and Non-Muscle-Invasive Bladder Cancer Cells Exposed to Hypoxia." Cancers, vol. 17, no. 16, 2025, pp. 2624.
  • NewsRx. "Researchers from University of Manchester Report New Studies and Findings in the Area of Bladder Cancer (Gene Expression in Muscle-Invasive and Non-Muscle-Invasive Bladder Cancer Cells Exposed to Hypoxia)." Cancer Weekly, vol. 3223, September 16, 2025.