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March 6, 2026Lishizhen medicine and materia medica research0 citations

Study on the mechanism of italicPingwei Capsule /italic(平胃胶囊) in ameliorating chronic atrophic gastritis by regulating M2 macrophages

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KLKecheng LiuXWXiaoying WANGTLT Liu

Key Points

  • The aim is to investigate the effects of Pingwei Capsule on M2 macrophages and chronic atrophic gastritis using the JAK1/STAT6 signaling pathway.
  • SD rats were divided into control and model groups, with the model group receiving a gastritis-inducing agent.
  • After establishing chronic atrophic gastritis, groups were treated with varying doses of Pingwei Capsule and an adjunct treatment.
  • For four weeks, the effects on gastric tissues were assessed through various analytic methods including HE staining, ELISA, and Western blot.
  • The model group exhibited significant gastric atrophy and altered tissue structure compared to controls.
  • Treatment with Pingwei Capsule led to improvements in gastric pathology and increased IL-4 and IL-10 levels.
  • Pingwei Capsule treatment elevated expressions of JAK1, STAT6, CD206, and Arg-1 in gastric tissues, indicating a shift towards M2 macrophages.

Abstract

目的 基于Janus激酶1/信号转导与转录激活蛋白6(JAK1/STAT6)信号通路,研究平胃胶囊对M2型巨噬细胞和慢性萎缩性胃炎(CAG)SD大鼠的影响。 方法 将SD大鼠分为空白组与造模组,造模组通过N-甲基-N`-硝基-N-亚硝酸胍灌胃+饥饱失常建立CAG模型,造模成功后再分为模型组、平胃胶囊组(低、中、高剂量)、平胃胶囊中剂量+AS1517499组,给药4周。HE染色察胃组织病变,ELISA、Western blot、RT-PCR、免疫荧光标记检测相关因子表达水平。 结果 与空白组相比,模型组大鼠出现胃窦萎缩,固有腺体减少、排列紊乱,固有层炎性细胞浸润;胃组织CD68表达增多,血清白介素4(IL-4)、白介素10(IL-10)含量和胃组织JAK1、STAT6、CD206、Arg-1表达降低。与模型组相比,平胃胶囊各剂量组能不同程度改善胃组织的病理变化,下调胃组织CD68表达水平,升高血清IL-4、IL-10含量,上调胃组织JAK1、STAT6、CD206、Arg-1表达水平。且平胃胶囊中剂量组效果优于联合AS1517499组。 结论 平胃胶囊可以改善CAG模型大鼠胃组织病理和炎症,机制与激活JAK1/STAT6信号通路诱导巨噬细胞向M2表型转化相关。

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Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/69aa70b8531e4c4a9ff5ac4bhttps://doi.org/10.70976/j.1008-0805.szgygy-2026-0111
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