ArticleAnti-cancer drugs2023
ADAR1 affects gastric cancer cell metastasis and reverses cisplatin resistance through AZIN1.
Article in Anti-cancer drugs, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 12 citations in OpenAlex.
- From Antibody Drugs to RNA Interference and Nanotherapy: The Evolution and Integration of Targeted Strategies in Gastric Cancer.International journal of nanomedicine · 2026Review
- [ADAR1 Regulates the ERK/c-FOS/MMP-9 Pathway to Drive the Proliferation and Migration of Non-small Cell Lung Cancer Cells].Zhongguo fei ai za zhi = Chinese journal of lung cancer · 2025Article
- Targeting RNA adenosine editing and modification enzymes for RNA therapeutics.Molecular therapy : the journal of the American Society of Gene Therapy · 2025Review
- Adenosine-to-inosine RNA editing in cancer: molecular mechanisms and downstream targets.Protein & cell · 2025Review
- Silencing LINC01547 induces hepatocellular carcinoma cell apoptosis and metastasis inhibition via the ADAR1/FAK and miR-146b-5p/RAC1 axes.Apoptosis : an international journal on programmed cell death · 2025Article
- Reversal of chemotherapy resistance in gastric cancer with traditional Chinese medicine as sensitizer: potential mechanism of action.Frontiers in oncology · 2025Review
- Deciphering the mechanistic roles of ADARs in cancer pathogenesis, tumor immune evasion, and drug resistance.Frontiers in immunology · 2025Review
- Inosine: biofunctions and the roles in human diseases.Frontiers in endocrinology · 2025Review
- Cellular and Molecular Mechanisms of Chemoresistance for Gastric Cancer.International journal of general medicine · 2024Review
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Adenosine deaminases acting on RNA1 (ADAR1) are involved in the occurrence and development of cancers. Although the role of ADAR1 in gastric cancer metastasis has been reported, the role of ADAR1 in the mechanism of cisplatin resistance in gastric cancer is not clear. In this study, human gastric cancer tissue specimens were used to construct cisplatin-resistant gastric cancer cells; the results indicated that the mechanism underlying the inhibition of gastric cancer metastasis and reversal of cisplatin-resistant gastric cancer by ADAR1 inhibits gastric cancer occurs through the antizyme inhibitor 1 (AZIN1) pathway. We assessed ADAR1 and AZIN1 expression in the tissues of patients with low to moderately differentiated gastric cancer. Gastric cancer cells (human gastric adenocarcinoma cell line [AGS] and HGC-27 cells) and gastric cancer cisplatin-resistant cells (AGS CDDP and HGC-27 CDDP ) were selected, and the protein expression of ADAR1 and AZIN1 was detected using immunocytochemistry and immunocytofluorescence. The effects of ADAR1 small interfering RNA (siRNA) on the invasion, migration and proliferation of cisplatin-resistant gastric cancer cells were investigated. Western blot assays were used to assess the protein expression levels of ADAR1, AZIN1 and epithelial-mesenchymal transition (EMT)-related markers. In-vivo experiments, a subcutaneous tumor formation model of nude mice was established, and the effects of ADAR1 on tumor growth and AZIN1 expression level were detected by hematoxylin and eosin, immunohistochemistry and western blot. The expression of ADAR1 and AZIN1 in human gastric cancer tissue was significantly higher than that in paracancerous tissues. The colocalization of ADAR1, AZIN1 and E-cadherin expression in immunofluorescence assays indicated a significant correlation between the three. In in-vitro experiments, ADAR1 knockout not only reduced the invasion and migration ability of AGS and HGC-27 cells but also reduced that of cisplatin-resistant gastric cancer cells. ADAR1 siRNA inhibited the proliferation and decreased the colony number of cisplatin-resistant gastric cancer cells. ADAR1 siRNA decreased the expression of AZIN1 and EMT-related marker proteins (vimentin, N-cadherin, β-catenin, MMP9, MMP2 and TWIST). The effect of ADAR1 siRNA combined with AZIN1 siRNA was more significant. In-vivo, the knockdown of ADAR1 significantly inhibited tumor growth and AZIN1 expression. ADAR1 and AZIN1 are antimetastatic targets of gastric cancer, and AZIN1 is a downstream regulatory target of ADAR1. ADAR1 knockout can inhibit the metastasis of gastric cancer cells and reverse the cisplatin resistance of gastric cancer cells by downregulating the expression of AZIN1, potentially resulting in increased treatment efficacy.
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Registered trials
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