In GC patients undergoing curative surgeries, ABTs are associated with a worse prognosis, including all-cause mortality, cancer-related mortality and recurrence. Patient blood management should be investigated further to minimize use of ABT.
The LigaSure technique may provide a safe, effective, and fast alternative to conventional vessel ligation in thyroidectomy and may result in a significant reduction in operative duration. However, it may not confer any advantage over conventional thyroidectomy in terms of the amount of intraoperative blood loss, length of hospital stay, and postoperative complication rates.
The amount of intraoperative ABT is one of the important factors that adversely influenced survival in patients with ampullary cancer after curative pancreatoduodenectomy. Healing anemia preoperatively and careful dissection to minimize intraoperative bleeding as much as possible are mandatory for reducing risk of the intraoperative ABT.
Hepatocyte nuclear factor 4-α (HNF4α), a nuclear receptor, is expressed at lower levels in colon carcinoma tissues than in adjacent normal tissues. However, the relation between HNF4α and colon cancer progression and the underlying molecular mechanisms remain unclear. Here, we investigated the role of HNF4α in the progression of colon carcinoma. We showed that HNF4α mRNA and protein were downregulated in colon carcinoma specimens. HNF4α expression was related to pT classification (P < 0.001), lymph node metastasis (P = 0.002), distant metastasis (P < 0.001) and clinical stage (P < 0.001) in colon carcinoma patients. Patients with low or negative HNF4α expression had worse 3-year progression-free survival (PFS, P = 0.006) and overall survival (OS, P = 0.005) than patients with high HNF4α expression. Low HNF4α expression was an independent prognostic factor for 3-year PFS (hazard ratio 2.94; 95% confidence interval 1.047-8.250; P = 0.041). Ectopic expression of HNF4α inhibited colon carcinoma cell (HT29, LoVo, and SW480) proliferation, migration, and invasion, induced G2/M phase arrest and promoted apoptosis. Ectopic expression of HNF4α upregulated E-cadherin and downregulated vimentin in vitro, and suppressed SW480 xenograft tumor growth and liver metastasis in vivo. Furthermore, HNF4α overexpression downregulated the expression of snail, slug and twist. HNF4α inhibited EMT through its effect on the Wnt/β-catenin signaling pathway, and HNF4α downregulation may be mediated by promoter methylation in cancer tissues. Our results suggest that downregulation of HNF4α plays a critical role in the aggravation of colon carcinoma possibly by promoting EMT via the Wnt/β-catenin signaling pathway and by affecting apoptosis and cell cycle progression.
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