Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences · 2008
[Expressions of connexin 32 and connexin 43 in patients with gastric precancerous lesion after eradication of Helicobacter pylori].
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Jia Yan, Xu Can-Xia, Yang Wen-Bin
Аннотация
OBJECTIVE: To observe the change in expressions of connexin 32 and connexin 43 after the eradication of Helicobacter pylori (H.pylori) in patients with gastric precancerous lesion.
METHODS: The expressions of connexin 32 and connexin 43 in gastric mucosa specimens biopsy under endoscopy were detected by immunohistochemistry. The expressions of connexin 32 and connexin 43 were detected before and after the eradication of H.pylori in 88 patients with gastric precancerous lesion, and in 33 patients with chronic superficial gastritis (CSG).
RESULTS: The positive expression rates and the expressional intensity of connexin 32 and connexin 43 in patients with gastric precancerous lesions (51.1% and 54.5%) were lower than those in patients with CSG (100% and 93.9%, P < 0.05).In patients with gastric precancerous lesions,the positive expression rates and the expressional intensity of connexin 32 and connexin 43 in H.pylori positive group (41.4% and 44.8%) were lower than those in H.pylori negative group (70% and 73.3%, P < 0.05). In gastric precancerous lesions group, the positive expression rates of connexin 32 and connexin 43 in H.pylori positive group before the eradication therapy (41.4% and 44.8%, respectively) was lower than those after the eradication of H.pylori (97.9% and 91.7%, P < 0.05); in the eradication failure group, the positive expression rates of connexin 32 and connexin 43 were 40% and 50%. The eradication failure group before the treatment and after the treatment had no statistical significance(P > 0.05).
CONCLUSION: The expressions of connexin 32 and connexin 43 in patients with gastric precancerous lesions are low, and the eradication of H.pylori can upregulate their expressions.
METHODS: The expressions of connexin 32 and connexin 43 in gastric mucosa specimens biopsy under endoscopy were detected by immunohistochemistry. The expressions of connexin 32 and connexin 43 were detected before and after the eradication of H.pylori in 88 patients with gastric precancerous lesion, and in 33 patients with chronic superficial gastritis (CSG).
RESULTS: The positive expression rates and the expressional intensity of connexin 32 and connexin 43 in patients with gastric precancerous lesions (51.1% and 54.5%) were lower than those in patients with CSG (100% and 93.9%, P < 0.05).In patients with gastric precancerous lesions,the positive expression rates and the expressional intensity of connexin 32 and connexin 43 in H.pylori positive group (41.4% and 44.8%) were lower than those in H.pylori negative group (70% and 73.3%, P < 0.05). In gastric precancerous lesions group, the positive expression rates of connexin 32 and connexin 43 in H.pylori positive group before the eradication therapy (41.4% and 44.8%, respectively) was lower than those after the eradication of H.pylori (97.9% and 91.7%, P < 0.05); in the eradication failure group, the positive expression rates of connexin 32 and connexin 43 were 40% and 50%. The eradication failure group before the treatment and after the treatment had no statistical significance(P > 0.05).
CONCLUSION: The expressions of connexin 32 and connexin 43 in patients with gastric precancerous lesions are low, and the eradication of H.pylori can upregulate their expressions.