A novel circRNA marker for gastric cancer diagnosis, treatment and prognosis and its application

By discovering the mitochondrial gene-encoded circRNA Mito-circRNR2, the lack of early diagnosis and treatment targets for gastric cancer is solved, and the reprogramming and migration inhibition of gastric cancer cells is achieved, providing new diagnostic and therapeutic methods.

CN115896292BActive Publication Date: 2025-03-25THE FIRST HOSPITAL OF CHINA MEDICIAL UNIV
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Patent Information

Application Number
CN202211565876.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-07
Publication Date
2025-03-25
Estimated Expiration
2042-12-07

AI Technical Summary

Technical Problem

There is a lack of early diagnostic markers and effective therapeutic targets for gastric cancer, which leads to the development of the disease to the middle and late stages and has poor efficacy.

Method used

A novel circRNA, Mito-circRNR2, encoded by mitochondrial genes, was discovered and used as a diagnostic marker and therapeutic target for gastric cancer. This circRNA mediates the reprogramming of gastric cancer cells by inhibiting oxidative phosphorylation and promoting glycolysis, and promotes the migration of gastric cancer cells.

Benefits of technology

Mito-circRNR2 is highly expressed in gastric cancer tissues and can serve as an early diagnostic biomarker for gastric cancer. By inhibiting its expression, it inhibits gastric cancer cell migration, providing a potential therapeutic target.

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Abstract

The present invention discloses a novel circRNA marker for gastric cancer diagnosis, treatment and prognosis and its application, and specifically relates to the field of biological technology. The marker is a circular mitochondrial RNA Mito‑circRNR2, and its nucleic acid sequence is shown in SEQ ID NO.1. The present invention discovered a new mitochondrial gene-encoded circular RNA, Mito‑circRNR2, which is highly expressed in gastric cancer tissues, and can mediate the reprogramming of gastric cancer cell energy metabolism by inhibiting oxidative phosphorylation and promoting glycolysis, while promoting the migration of gastric cancer cells and promoting the occurrence of gastric cancer. The Mito‑circRNR2 marker disclosed in the present invention can contribute to the molecular diagnosis of gastric cancer, and inhibiting its expression may be a new targeted treatment method for gastric cancer.
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