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<p>Esophageal squamous cell carcinoma (ESCC) is one of the malignancies with high morbidity and mortality rates. Previous studies have demonstrated the critical roles of long non-coding RNAs (lncRNAs) in cell differentiation, embryonic development and cancer progression. The lncRNA HOXC-AS3 has been shown to exert pro-carcinogenic effects in adenocarcinoma, gastric cancer and breast cancer; however, its biological function in ESCC remains unclear. In the present study, HOXC-AS3 expression was found to be elevated in ESCC tissues. We discovered that HOXC-AS3 regulates the proliferation and migration of ESCC cells. Flow cytometry assays indicated that knockdown of HOXC-AS3 led to increased apoptosis and cell cycle arrest in ESCC cells. RNA sequencing and Gene Ontology findings revealed that the downstream genes regulated by HOXC-AS3 were primarily enriched in signaling pathways associated with cell proliferation and migration. RNA immunoprecipitation (RIP) and chromatin immunoprecipitation (CHIP) experiments confirmed that HOXC-AS3 can be recruited to the promoter region of the WNT3A gene by binding to YBX1. These findings provide evidence of lncRNA HOXC-AS3 functions as a novel oncogene in ESCC.</p>

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Long non-coding RNA HOXC-AS3 promotes proliferation and metastasis of esophageal squamous carcinoma by targeting WNT3A through binding to YBX1

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月14日

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  • Shuo Hu,
  • Qi Wang,
  • HaiXing Wei,
  • HaiJun Sun,
  • ZhiHua Li,
  • ZhiCheng He,
  • XiangLong Pan,
  • WeiBing Wu

摘要

Esophageal squamous cell carcinoma (ESCC) is one of the malignancies with high morbidity and mortality rates. Previous studies have demonstrated the critical roles of long non-coding RNAs (lncRNAs) in cell differentiation, embryonic development and cancer progression. The lncRNA HOXC-AS3 has been shown to exert pro-carcinogenic effects in adenocarcinoma, gastric cancer and breast cancer; however, its biological function in ESCC remains unclear. In the present study, HOXC-AS3 expression was found to be elevated in ESCC tissues. We discovered that HOXC-AS3 regulates the proliferation and migration of ESCC cells. Flow cytometry assays indicated that knockdown of HOXC-AS3 led to increased apoptosis and cell cycle arrest in ESCC cells. RNA sequencing and Gene Ontology findings revealed that the downstream genes regulated by HOXC-AS3 were primarily enriched in signaling pathways associated with cell proliferation and migration. RNA immunoprecipitation (RIP) and chromatin immunoprecipitation (CHIP) experiments confirmed that HOXC-AS3 can be recruited to the promoter region of the WNT3A gene by binding to YBX1. These findings provide evidence of lncRNA HOXC-AS3 functions as a novel oncogene in ESCC.