ABSTRACT
ObjectiveTo investigate the intervention effects of moxibustion and moxa smoke on blood lipids,hepatic pathological changes and intrahepatocytic molecules related to cholesterol metabolism and analyze the regulating effects of moxibustion and moxa smoke on cholesterol metabolism and explore the mechanisms of actions of moxibustion and moxa smoke. MethodFifty-one 8-week-old ApoE-/-mice were randomized into model, moxa smoke and moxibustion groups, 17 mice each. Twenty C57BL/6 mice comprised a blank control group. The normal and model groups of mice were routinely grabbed and fastened. The moxa smoke group of mice was exposed to 10-15 mg/m3moxa smoke circumstances. The moxibustion group of mice was given moxibustion on point Guanyuan(CV4). All interventions were made 20 min daily, 6 times a week, for 12 consecutive weeks. Total cholesterol (TC), triglyceride (TG), high density lipoprotein-cholesterol (HDL-C) and low density lipoprotein-cholesterol (LDL-C) were measured using an automatic biochemical analyzer. Hepatic pathologic morphology was observed by HE staining. Hepatic CD36 and ABCA1 expressions were determined by immunohistochemical method.ResultIn the model group of mice, serum TG and LDL-C contents were significantly higher than in the normal group (P=0.003;P=0.001);HDL-C content was significantly lower than in the normal group (P=0.007); TC content had no significant difference compared with the normal group (P>0.05). In the moxibustion group of mice, serum TG and LDL-C contents were significantly lower than in the model group (P=0.03;P=0.001) and HDL-C content had no significant difference compared with the model group (P=0.11). In the moxa smoke group of mice, serum TG and LDL contents were significantly lower than in the model group (P=0.01;P=0.008) and HDL content had no significant difference compared with the model group (P=0.11). There were no significant differences in various blood lipid indicators between the moxibustion and moxa smoke groups (P>0.05). There were hepatic cell cord and sinusoid derangement and obvious hepatocytic swelling in the model group of mice. In the moxa smoke and moxibustion groups, hepatocytic swelling subsided significantly, and inflammatory cell infiltration reduced compared with the model group. In the model group,CD36 expression was significantly higher than in the normal group (P=0.004) and ABCA1 expression was significantly lower than in the normal group (P=0.001). In the moxibustion group, CD36 expression had no significant difference compared with the model group (P=0.09) and ABCA1 expression was significantly higher than in the model group (P=0.03). In the moxa smoke group, CD36 expression was significantly lower than in the normal group (P=0.02) and ABCA1 expression was significantly higher than in the model group (P=0.002). There were no significant differences in CD36 and ABCA1 expressions between the moxibustion and moxa smoke groups (P>0.05).ConclusionEarly moxibustion on point Guanyuan can regulate disorders of blood lipid metabolism, delay the occurrence of hepatic lesions and reduce intrahepatic accumulation of cholesterol to a certain extent in an ApoE-/-mouse model of atherosclerosis. That may be one of the mechanisms by which moxibustion therapy prevents atherosclerosis. Moxa smoke as the product of moxibustion is an effective factor in moxibustion producing a therapeutic effect.
ABSTRACT
Objective To observe the effect of PM10 (inhalable particles) in moxa smoke on apoptosis of human lung adenocarcinoma cell line-A549 cells, and explore the possible mechanisms of inducing apoptosisMethods The A549 cells were studied in vitro experiment method, which were stained by Hoechest33258 staining method. Their morphological changes of apoptosis were observed by the fluorescence microscopy. The levels of intracellular Ca2+ and reactive oxygen species (ROS), and expression of NF-κB p65 were also measured.Results Some apoptotic cells were observed after treated with moxa smoke PM10 in the concerntration of 400μg/mL. After 4 hours intervention by moxa smoke PM10 in A549 cells, the intracellular Ca2+ level increased significantly (P0.05). Compared with the blank control group, ROS level was significantly lower (P<0.05) in A549 cells after intervention of moxa smoke PM10.Conclusion PM10 in moxa smoke could induce apoptosis of A549 cells, could increase cytosolic Ca2+ level.