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Exosomal long non-coding RNA UCA1 functions as growth inhibitor in esophageal cancer

Zijiang Zhu1, Huilin Wang1, Yao Pang1

  • 1Department of Thoracic Surgery, Gansu Provincial Hospital, Lanzhou, Gansu, China.

Aging
|October 30, 2020
PubMed
Abstract

Insights

Decreased UCA1 in exosomes is linked to esophageal cancer. Exosomal UCA1 shows diagnostic potential and inhibits cancer progression, offering a new therapeutic target for this lethal disease.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Esophageal cancer is a globally prevalent and highly lethal malignancy.
  • Exosome-associated long non-coding RNAs (lncRNAs) are implicated in cancer development.

Purpose of the Study:

  • To investigate the expression of UCA1 in esophageal cancer.
  • To evaluate exosomal UCA1 as a diagnostic biomarker.
  • To determine the therapeutic potential of exosomal UCA1 in esophageal cancer.

Main Methods:

  • Quantification of UCA1 expression in esophageal cancer tissues and plasma exosomes.
  • Assessment of exosomal UCA1's diagnostic accuracy (sensitivity and specificity).
  • In vitro and in vivo studies on the effects of UCA1 overexpression and exosomal UCA1 uptake on esophageal cancer cells and tumor growth.

Main Results:

  • UCA1 expression was significantly decreased in esophageal cancer tissues and plasma exosomes.
  • Exosomal UCA1 demonstrated diagnostic potential with 86.7% sensitivity and 70.2% specificity.
  • Overexpression of UCA1 inhibited esophageal cancer cell proliferation, invasion, migration, and colony formation, and exosomal UCA1 targeted miRNA-613.

Conclusions:

  • Exosomal UCA1 plays an inhibitory role in esophageal cancer progression both in vitro and in vivo.
  • Exosomal UCA1 represents a promising biomarker for esophageal cancer diagnosis and a potential therapeutic agent.
Keywords:
biomarkeresophageal cancerexosomelncRNA UCA1progression

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