LRG-1在舌癌組織及舌癌細(xì)胞系Tca8113中的表達(dá)及意義
[Abstract]:Objective to investigate the expression of leucine-rich 偽 2-glycoprotein 1 (LRG-1) in tongue carcinoma and tongue cancer cell line Tca8113 and its relationship with clinicopathological parameters of tongue cancer and to analyze the clinical significance of LRG-1. Methods S-P immunohistochemical method was used to detect the expression of LRG-1 in 40 patients with invasive tongue cancer and adjacent normal tissues, 20 cases of atypical hyperplasia of tongue and 20 cases of tongue carcinoma in situ. The expression of LRG-1 in tongue cancer cell line (Tca8113) was detected by flow cytometry; Western blotting method was used to detect the expression of LRG-1 in tongue cancer tissue and cell line Tca8113 and the effect of LRG-1 on the growth of human vascular endothelial cells was detected by MTT assay. The effect of LRG-1 on angiogenesis was observed in vitro. Results the positive expression rate of LRG-1 in tongue cancer tissues (85 / 40) was significantly higher than that in adjacent normal tissues (10 / 4 / 40), especially in atypical hyperplasia of tongue (30 / 20) and tongue carcinoma in situ (50 / 10 / 20). The expression of LRG-1 in tongue cancer tissues was significantly higher than that in patients' age (P0.05). Sex was not correlated with tissue differentiation, clinical stage and lymph node metastasis (P0.05). LRG-1 could promote vascular endothelial cell proliferation and tubule formation. Conclusion the abnormal expression of LRG-1 in tongue cancer tissues and cell lines can promote the growth of vascular endothelial cells and the formation of tubules, suggesting that LRG-1 may be related to tumor angiogenesis.
【作者單位】: 遼寧醫(yī)學(xué)院附屬第一醫(yī)院口腔科;遼寧醫(yī)學(xué)院附屬第一醫(yī)院變態(tài)反應(yīng)與臨床免疫研究中心;
【基金】:國家自然科學(xué)基金(81471592) 遼寧省教育廳科學(xué)研究項(xiàng)目(05L141)~~
【分類號】:R739.86
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