Suining Central Hospital Suining

China

Suining Central Hospital Suining

China
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PubMed | Weifang Peoples Hospital 151 Guang Wen Street, Shanghai Key Laboratory of Pancreatic Diseases Shanghai 201620, Shanghai JiaoTong University and Suining Central Hospital Suining
Type: Journal Article | Journal: International journal of clinical and experimental pathology | Year: 2015

Jumonji domain-containing protein 1A (JMJD1A) play a key role in the development and progression of several malignancies. The present study investigated the expression and clinical significance of JMJD1A in gastric cancer. JMJD1A was found to be upregulated in gastric cancer tissues and cell lines. Furthermore, the upregulated expression of JMJD1A was significantly correlated with the results of the invasion depth (P=0.006), lymph node metastatic status (P<0.001), and TNM stage (P<0.001). JMJD1A was also shown to be an independent prognostic predictor of overall survival (HR3.988; 95% CI 1.948-8.167; P<0.001) for patients with gastric cancer. In addition, in vitro experiment revealed that knockdown of JMJD1A expression inhibited the gastric cancer cell proliferation, and further study suggested that JMJD1A knockdown suppressed MAPK pathway via transcriptional downregulation the expression of long noncoding RNA MALAT1. Therefore, we speculated that JMJD1A-MALAT1-MAPK signaling might participate in the JMJD1A-induced cell proliferation of gastric cancer. Collectively, our data demonstrate for the first time that JMJD1A gene has an important regulatory role in gastric carcinogenesis, and could function as a novel prognostic indicator and a potential therapeutic target for gastric cancer.

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