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HOXA11 promotes lymphatic metastasis of gastric cancer via transcriptional activation of TGFβ1

ABSTRACT: HOXA11 promotes lymphatic metastasis of gastric cancer via transcriptional activation of TGFβ1

PROVIDER: PRJNA1035447 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR26664900_1.fastq.gz	Fastqsanger.gz
	SRR26664900_2.fastq.gz	Fastqsanger.gz
	SRR26664901_1.fastq.gz	Fastqsanger.gz
	SRR26664901_2.fastq.gz	Fastqsanger.gz
	SRR26664902_1.fastq.gz	Fastqsanger.gz

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HOXA11 promotes lymphatic metastasis of gastric cancer via transcriptional activation of TGFβ1

Project description:Most gastric cancer (GC) patients with early stage often have no lymph node (LN) metastases, while LN metastases appear in the advanced stage. However, there are some patients who present with early stage LN metastases and no LN metastases in the advanced stage. To explore the deeper molecular mechanisms involved, we collected clinical samples from early and advanced stage GC with and without LN metastases, as well as metastatic lymph nodes. Herein, we identified a keytarget, HOXA11, that was upregulated in GC tissues and closely associated with lymphatic metastases. HOXA11 transcriptionally regulates TGFβ1 expression and activates the TGFβ1/Smad2 pathway, which in turn promotes the development of EMT. In addition, enhanced Smad2 expression promotes the secretion of VEGF-C, which in turn induces lymphangiogenesis. These findings provide a plausible mechanism forHOXA11-modulated tumor in lymphatic metastasis and suggest thatHOXA11 may represent a potential therapeutic target for clinical intervention in LN-metastatic gastric cancer.

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