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The -250G>A polymorphism in the hepatic lipase gene promoter influences plasma lipid profile and lipoprotein ratio in patients with ischemic stroke
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作者 Johnson Oshiobugie Momoh Akinniyi Adediran Osuntoki +1 位作者 Osaretin Albert Taiwo Ebuehi Olusola Ajibaye 《Journal of Acute Disease》 2021年第1期28-35,共8页
Objective:To evaluate the influence of–250G>A(rs2070895)polymorphism in hepatic lipase gene(LIPC)promoter on plasma lipid parameters of ischemic stroke patients.Methods:A total of 100 stroke patients and 100 contr... Objective:To evaluate the influence of–250G>A(rs2070895)polymorphism in hepatic lipase gene(LIPC)promoter on plasma lipid parameters of ischemic stroke patients.Methods:A total of 100 stroke patients and 100 control subjects matched for sex(59 men and 41 women)and age were selected.Hepatic lipase activity and lipid profiles were measured while lipoprotein ratios were calculated.Genotyping of the–250G>A promoter polymorphism of the LIPC was performed by the polymerase chain reaction and restriction fragment length polymorphism method combined with 2%gel electrophoresis and then confirmed by direct sequencing.The LIPC promoter gene sequencing data were compared with refseqNG011465.1 LIPC from GenBank.Results:The frequencies of GG,GA and AA genotypes of LIPC rs2070895 polymorphism were 39%,45%and 16%for the control,10%,37%and 53%for the stroke subjects(P<0.0001),respectively.The frequencies of G and A alleles were 61.5%and 38.5%for the control,and 28.5%and 71.5%for the stroke subjects(P<0.0001).Our study shows that the mutant allele of the LIPC promoter was associated with dyslipidemia,lower hepatic lipase activity,and this variation contributed to the increased defective plasma high-density lipoprotein-cholesterol(HDL-C),HDL2-C and HDL3-C concentration for both subjects.The control subjects had 6 single nucleotide polymorphism and 6 amino acid substitutions while the stroke subjects had 32 single nucleotide polymorphism and 20 amino acid substitutions.Conclusions:LIPC–250G>A polymorphism can influence plasma lipid profiles and lipoprotein ratios in patients with ischemic stroke. 展开更多
关键词 -250G>A polymorphism rs2070895 hepatic lipase gene promoter Lipid parameters Ischemic stroke
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Effects of Angelica dahurica on obesity and fatty liver in mice 被引量:12
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作者 LU Xi YUAN Zhi-Yi +6 位作者 YAN Xiao-Jin LEI Fan JIANG Jing-Fei YU Xuan YANG Xiu-Wei XING Dong-Ming DU Li-Jun 《Chinese Journal of Natural Medicines》 SCIE CAS CSCD 2016年第9期641-652,共12页
Angelica dahurica(A. dahurica) is a traditional Chinese medicinal plant being used in clinical practice. The present study demonstrated that A. dahurica could reduce white-fat weight in high-fat-diet hyperlipidemic mi... Angelica dahurica(A. dahurica) is a traditional Chinese medicinal plant being used in clinical practice. The present study demonstrated that A. dahurica could reduce white-fat weight in high-fat-diet hyperlipidemic mice, decrease total cholesterol and triglyceride concentrations in the livers of both high-fat-diet and Triton WR1339 induced hyperlipidemic mice, and enhance the total hepatic lipase activities of them. These findings were further supported by the results derived from the experiments with Hep G2 cells in vitro. In addition, the proteins related to lipids metabolism were investigated using LC-MS/MS, indicating that genes of lipid metabolism and lipid transport were regulated by A. dhurica. The results from LC-MS/MS were further conformed by Western blot and real time PCR assays. A. dahurica could down-regulate the expression of catalase(CAT) and sterol carrier protein2(SCP2) and up-regulate the expression of lipid metabolism related genes-lipase member C(LIPC) and peroxisome proliferator-activated receptor gamma(PPARγ). In the Triton WR1339 mouse liver and Hep G2 cells in vitro, A. dahurica was able to increase the expression of LIPC and PPARγ, confirming the results from in vivo experiments. Imperatorin showed the same activity as A. dahurica, suggesting it was one of the major active ingredients of the herb. In conclusion, our work represented a first investigation demonstrating that A. dahurica was able to regulate lipid metabolism and could be developed as a novel approach to fighting against fatty liver and obesity. 展开更多
关键词 Angelica dahurica IMPERATORIN hepatic lipases MOUSE
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