Aquaporins Transcripts with Potential Prognostic Value in Pancreatic Cancer

Paula A. Lopes, Elisabete Fonseca, Inês V. da Silva, Emanuel Vigia, Jorge Paulino, Graça Soveral

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Abstract

Pancreatic cancer is anticipated to be the second leading cause of cancer-related death by 2030. Aquaporins (AQPs), a family of water channel proteins, have been linked to carcinogenesis. The aim of this study was to determine AQP gene expression in pancreatic cancer tissues and to validate aquaporins as possible diagnosis and/or prognosis genes. The relative gene expression levels of AQP1, AQP3, AQP5, and AQP9 were analyzed using real-time quantitative PCR (RT-qPCR) in 24 paired pancreatic tumors and adjacent healthy tissues according to variables such as age, gender, and tumor invasiveness and aggressiveness. AQPs transcripts were detected in both healthy and tumor tissues. While AQP1 was downregulated in the tumor samples, AQP3 was particularly overexpressed in low-grade invasive tumors. Interestingly, most of the strong positive Pearson correlation coefficients found between AQPs in healthy tissues were lost when analyzing the tumor tissues, suggesting disruption of the coordinated AQP-gene expression in pancreatic cancer.

Original languageEnglish
Article number1694
JournalGenes
Volume14
Issue number9
DOIs
Publication statusPublished - Sept 2023

Keywords

  • aquaporins
  • pancreas
  • pancreatic cancer
  • transcriptional profile

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