miR-499 rs3746444、miR-149 rs2292832多态性及其表达水平与幽门螺杆菌相关胃病及中医证候的关系

Liu Qi, Y U Chang, Y E Jintong, Zhang Ling, L I Danyan, Dai Yunkai, Zhang Yunzhan, Luo Qi, Chen Weijing, Pan Huaigeng, L I Ruliu, H U Ling
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引用次数: 0

摘要

目的结合中医证候分型、分子生物学和组织病理学,为幽门螺杆菌相关胃病(HPGD)患者胃黏膜病理演变及不同中医证候的转化提供客观的实验依据:方法:本研究共纳入 203 名参与者。方法:本研究共纳入 203 名参与者,检测了所有参与者胃组织中 miR-499/miR-149 的表达和幽门螺杆菌感染情况。对 miR-499 rs3746444 和 miR-149 rs2292832 进行了基因分型:结果:在幽门螺杆菌阳性受试者中,肝胃不和综合征(LSDS)组胃癌前病变(PGL)比例高于脾气虚综合征(SQDS)组(P 0.001);SQDS组胃癌(GC)比例高于脾胃湿热综合征(SSDHS)组和LSDS组(均P 0.001)。我们还发现,miR-149 rs2292832的C等位基因与较低的胃萎缩风险有关[miR-149 rs2292832 C vs T:调整后的几率比=0.207;95%置信区间(0.043-0.989);P=0.048]。与健康对照(HC)组相比,GC 组 miR-499 的表达明显增加,而慢性炎症组、PGL 组和 GC 组 miR-149 的表达明显减少(均为 P 0.05)。趋势检验显示,随着miR-499表达量的增加和miR-149表达量的减少,GC风险呈上升趋势(趋势P均<0.05):结论:miR-149 rs2292832的C等位基因可能是胃黏膜萎缩的保护因素。幽门螺杆菌可能通过诱导 miR-499 的过度表达和下调 miR-149 参与胃黏膜病变从良性到恶性的演变。此外,幽门螺杆菌感染合并 SQDS 或 LSDS 的患者发生胃黏膜恶性病变的风险可能更高。
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Association of miR-499 rs3746444, miR-149 rs2292832 polymorphisms and their expression levels with helicobacter pylori-related gastric diseases and Traditional Chinese Medicine syndromes.

Objective: To provide an objective experimental basis for the gastric mucosa pathological evolution and the transformation of different Traditional Chinese Medicine (TCM) syndromes in helicobacter pylori (H. pylori)-related gastric diseases (HPGD) patients, based on the combination of TCM syndrome differentiation, molecular biology and histopathology.

Methods: A total of 203 participants were enrolled in this study. The expressions of miR-499/miR-149 and H. pylori infection in the gastric tissues from all participants were detected. The genotyping for miR-499 rs3746444 and miR-149 rs2292832 was performed.

Results: In H. pylori positive subjects, the proportion of precancerous gastric lesions (PGL) in liver-stomach disharmony syndrome (LSDS) group was higher than in spleen Qi deficiency syndrome (SQDS) group (P <0.001); The proportion of gastric cancer (GC) in SQDS group was higher than in spleen-stomach damp-heat syndrome (SSDHS) group and LSDS group (all P <0.001). We also found C allele of miR-149 rs2292832 was linked to lower risk of gastric atrophy [miR-149 rs2292832 C vs T: adjusted odds ratio = 0.207; 95% confidence interval (0.043-0.989); P = 0.048]. Compared with healthy control (HC) group, the expression of miR-499 was significantly increased in GC group, while the expression of miR-149 was significantly decreased in chronic inflammation group, PGL group and GC group (all P < 0.05). Test for trend showed that GC risk was on a rising trend with the increasing expression of miR-499 and decreasing expression of miR-149 (both P for trend < 0.05).

Conclusion: The C allele of miR-149 rs2292832 may be a protective factor for gastric mucosal atrophy. H. pylori may participate in the evolution of benign to malignant gastric mucosa lesions by inducing the overexpression of miR-499 and down regulation of miR-149. In addition, patients with H. pylori infection combined SQDS or LSDS may have higher risk of gastric mucosal malignant lesions.

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