1.Mechanism of aloin ameliorating atherosclerosis through regulating macrophage polarization
Ye TIAN ; Xianru CHEN ; Xianghui MEI ; Baichao LI ; Wentao DU
China Pharmacy 2025;36(22):2802-2808
OBJECTIVE To investigate the mechanism by which aloin (ALO) ameliorates atherosclerosis (AS). METHODS Eight C57BL/6J mice were assigned to the control group (CON group) and fed a standard diet; thirty-two apolipoprotein E-knockout (APOE-/-) mice were randomly divided into model group (MOD group), ALO low-dose and high-dose groups [ALO-L group, ALO-H group, 20, 40 mg/(kg·d)], and atorvastatin positive control group [ATO group, 4 mg/(kg·d)], with 8 mice in each group, establishing the AS model through feeding with a high-fat diet. The mice were administered the drug via gavage or given an equal volume of deionized water for 8 consecutive weeks. The lipid levels in the serum of mice were measured, and the pathological structural changes in their aortas were observed. The expressions of macrophage polarization markers (CD86+ , CD206+) in the aorta were determined, along with the mRNA expressions of inducible nitric oxide synthase (iNOS), tumor necrosis factor-α (TNF-α), arginase-1 (Arg-1), and interleukin-10 (IL-10), as well as the protein expressions of iNOS and Arg- 1, and the phosphorylation levels of nuclear factor κB p65 (NF-κB p65) and signal transduction and activator of transcription 3 (STAT3) proteins. Additionally, a macrophage polarization model was established using lipopolysaccharide (LPS)-induced RAW264.7 cells, and the effect of ALO (400 μmol/L) on the cellular polarization phenotype was investigated. RESULTS Compared with the MOD group, administration groups all showed significant improvement in dyslipidemia (except for high-density lipoprotein cholesterol in the serum of ALO-L group) (P<0.05); aortic intimal structure improved significantly, plaque area was reduced significantly (P<0.01); the CD86+ relative fluorescence intensity in the aorta decreased significantly, the CD206+relative fluorescence intensity increased significantly (P<0.01), while the expressions of iNOS and TNF-α mRNA were down-regulated significantly (P<0.05); mRNA expressions of Arg-1 and IL-10, and protein expression of Arg-1 were increased significantly in ALO-H group and ATO group (P<0.05); the protein expressions of iNOS, and the phosphorylation levels of NF-κB p65 and STAT3 protein were decreased significantly (P<0.05). In vitro experiments further confirmed that ALO significantly reduced the proportion of LPS-induced M1-type macrophages but increased the proportion of M2-type macrophages (P<0.01). CONCLUSIONS ALO inhibits M1-type macrophage polarization and promotes M2-type polarization, ameliorates dyslipidemia and reduces arterial plaque formation in AS model mice, improve the structure of the aortic intima potentially through suppression of the NF-κB/STAT3 signaling pathway.
2.Exploration and Practice of Improving Community Pharmaceutical Care
Jun BIAN ; Yuefen LOU ; Xianghui XU ; Jiandong XU ; Guowen LI ; Mei SHEN ; Jingxia CHEN
China Pharmacy 2017;28(20):2855-2858
OBJECTIVE:To improve community pharmaceutical care so as to promote the rational drug use of community resi-dent and improve the quality of life. METHODS:By analyzing the situation of community pharmaceutical care,the pharmaceutical care of community pharmacists was improved by changing pharmaceutical care mode,actively developing the propaganda of ratio-nal drug use,strengthening retraining of clinical pharmacists. RESULTS:With the help of Hongkou district quality control group, many hospitals of the district signed thepharmaceutical linkage assistance agreement. Through the efforts of Hongkou district quality control group and many hospitals,community pharmaceutical care was improved and the propaganda of rational drug use has achieved certain results. CONCLUSIONS:Through exploration and practice,the pharmaceutical care levels of community phar-macists have been improved and the rational drug use of community residents has been promoted.

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