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  • Title: [Exploration of the correlation between Chinese medicine syndrome types of verrucous gastritis and the pressions of gastric mucosal hypoxia-inducible factor-1alpha as well as downstream molecules].
    Author: Bu YF, Chu LJ, Shi HJ.
    Journal: Zhongguo Zhong Xi Yi Jie He Za Zhi; 2012 Oct; 32(10):1326-30. PubMed ID: 23163139.
    Abstract:
    OBJECTIVE: To study the expressions changes of gastric mucosal hypoxia-inducible factor-1alpha (HIF-1alpha) and downstream molecules [such as vascular endothelial growth factor (VEGF) and cyclooxygenase-2 (COX-2)] of verrucous gastritis (VG) patients of different Chinese medicine (CM) syndrome types and their clinical significance. METHODS: Totally 94 VG patients were assigned to Gan-Wei disharmony group (GWDG, 28 cases), the damp-heat in Pi-Wei group (DHPWG, 17 cases), the blood stasis in Wei-collateral group (BSWCG, 20 cases), and the insufficiency of Pi-yang group (IPYG, 29 cases). Another 30 patients with chronic mild non-active superficial gastritis patients accompanied with negative Hp infection were recruited as the control group. The Hp infection was detected using 14C-labeled urea breath test. The expressions of HIF-1alpha, VEGF, and COX-2 in the gastric mucosal tissue were detected using immunohistochemical EnVision two-step test. RESULTS: The positive Hp infection rate in VG patients was 37.23% (35/94 cases). The positive Hp infection rate in patients of DHPWG (76. 47%) was significantly higher than the other three groups (32.14% in GWDG, 31.03% in IPYG, and 20.00% in BSWCG, P < 0.01). The expressions of HIF-1alpha and COX-2 in VG patients of different syndrome types were obviously higher than those of the control group (P < 0.01, P < 0.05). Of them, the expression of HIF-1alpha was the highest in BSWCG and the expression of COX-2 was the highest in DHPWG. The expression of VEGF was higher in DHPWG and IPYG than in the control group and the GWDG (P < 0.01, P < 0.05). CONCLUSIONS: The expressions of HIF-1alpha, VEGF, COX-2, and Hp infection showed certain changes in VG patients of different syndrome types. The expression of HIF-1alpha was the strongest in BSWCG. The expressions of VEGF and COX-2 as well as Hp infection were the highest in DHPWG. All showed the specificity of CM syndromes.
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