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  • Title: [Effect of heat-sensitive moxibustion at "Zhongwan" (CV 12) on serum GH and PG in chronic atrophic gastritis rats].
    Author: Zhang HF, Luo SY, Zhang Y, Hu B, Li LH, Zhang B, Ge LA, Kang MF, Fu Y, Xiong J.
    Journal: Zhongguo Zhen Jiu; 2020 Mar 12; 40(3):279-84. PubMed ID: 32270641.
    Abstract:
    OBJECTIVE: To observe the effect of heat-sensitive moxibustion at "Zhongwan" (CV 12) on serum growth hormone (GH) and pepsinogen (PG) in chronic atrophic gastritis (CAG) rats, and to explore the potential mechanism of heat-sensitive moxibustion for CAG. METHODS: A total of 66 male SD rats were randomized into a blank group (12 rats) and a model establishment group (54 rats). No intervention was given in the blank group. Rats in the model establishment group were intervented with compound pathogeny method for 12 weeks to establish CAG model, which were further divided into a model group (11 rats), a vitacoenzyme group (11 rats) and a moxibustion group (22 rats). In the moxibustion group, suspending moxibustion was applied at "Zhongwan" (CV 12) for 40 min. After the intervention of moxibustion, 0.9% sodium chloride solution was given by gavage (2 mL·kg-1·d-1). According to the changes of tail temperature, rats in the moxibustion group were divided into a heat-sensitive moxibustion group (11 rats) and a non-heat-sensitive moxibustion group (8 rats). The vitacoenzyme group was given vitacoenzyme as the same dose by gavage. The intervention was adopted once a day for 28 days. Changes of body weight were observed among the groups. Expressions of serum GH, PGⅠand PGⅡwere detected by ELISA, and the ratio of PGⅠand PGⅡ (PGR) was calculated. The morphological changes of gastric mucosa were observed by macroscopy and light microscope. RESULTS: ①After modeling, the body weight of rats in the model establishment group was lower than the blank group (P<0.01). Compared with the model group, the body weight of rats in the vitacoenzyme group, the heat-sensitive moxibustion group and the non-heat-sensitive moxibustion group was increased after intervention (P<0.05), and there were no significant differences among the intervention groups (P>0.05). ②Under macroscopy and light microscope, gastric tissue of rats after modeling showed dark red and pale gastric mucosa, lower plica and mucosal congestion. The glands of lamina propria were atrophied or disappeared with sparse and disordered arrangement, in which, lymphoid follicles and inflammatory cells could be observed. After intervention, morphology of gastric mucosa was improved in the vitacoenzyme group, the heat-sensitive moxibustion group and the non-heat-sensitive moxibustion group. ③Compared with the blank group, the serum levels of GH, PGⅠ, PGⅡ and PGR were decreased in the model group (P<0.05, P<0.01). Compared with the model group, the serum levels of GH, PGⅠand PGⅡwere increased in the vitacoenzyme group, the heat-sensitive moxibustion group and the non-heat-sensitive moxibustion group (P<0.05, P<0.01), the levels of PGR were increased without statistical difference (P>0.05). Compared with the vitacoenzyme group and the non-heat-sensitive moxibustion group, the serum levels of GH and PGⅠwere increased in the heat-sensitive moxibustion group (P<0.05). CONCLUSION: Heat-sensitive moxibustion at "Zhongwan" (CV 12) can improve the morphology of gastric mucosa in chronic atrophic gastritis rats, its mechanism may be related to the up-regulation of serum GH and PGⅠ.
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