FOLLOWUS
1.Department of Traditional Chinese Medicine, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou (510080),China
2.Department of Traditional Chinese Medicine,Zhujiang Hospital of Southern Medical University, Guangzhou(510280), China
3.Department of Oncology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou (510080), China
4.Department of Traditional Chinese Medicine, the Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen (518107),Guangdong Province, China
5.Department of VIP Ward, Sun Yat-sen University Cancer Center, Guangzhou (510060), China
Prof. KE Bin, E-mail: jackhorn@163.com
纸质出版日期:2022-01-01,
网络出版日期:2020-11-19,
录用日期:2020-09-21
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Jia-pan SUN, Lin SHI, Fang WANG, 等. 加味苓桂术甘汤通过PI3K-Akt/mTOR-S6K1/AMPK-PGC-1信号通路改善肥胖2型糖尿病大鼠糖脂代谢及炎症反应[J]. Chinese Journal of Integrative Medicine, 2022,28(1):52-59.
Jia-pan SUN, Lin SHI, Fang WANG, et al. Modified Linggui Zhugan Decoction Ameliorates Glycolipid Metabolism and Inflammation via PI3K-Akt/mTOR-S6K1/AMPK-PGC-1α Signaling Pathways in Obese Type 2 Diabetic Rats[J]. Chinese Journal of Integrative Medicine, 2022,28(1):52-59.
Jia-pan SUN, Lin SHI, Fang WANG, 等. 加味苓桂术甘汤通过PI3K-Akt/mTOR-S6K1/AMPK-PGC-1信号通路改善肥胖2型糖尿病大鼠糖脂代谢及炎症反应[J]. Chinese Journal of Integrative Medicine, 2022,28(1):52-59. DOI: 10.1007/s11655-020-3285-2.
Jia-pan SUN, Lin SHI, Fang WANG, et al. Modified Linggui Zhugan Decoction Ameliorates Glycolipid Metabolism and Inflammation via PI3K-Akt/mTOR-S6K1/AMPK-PGC-1α Signaling Pathways in Obese Type 2 Diabetic Rats[J]. Chinese Journal of Integrative Medicine, 2022,28(1):52-59. DOI: 10.1007/s11655-020-3285-2.
目的:
2
探讨加味苓桂术甘汤(MLZD)对肥胖2型糖尿病大鼠的保护作用.
方法:
2
将50只Sprague-Dawley大鼠按随机数字表法分为正常组、肥胖2型糖尿病 (ob -T2DM)组、MLZD低剂量[MLDZ-L
4.625 g/(kg•d)]、MLZD中剂量[MLD-M
9.25 g/(kg•d)及MLZD高剂量[MLD-H
18.5 g/(kg•d)]组
每组10只大鼠. 干预4周后
收集大鼠血液样本及肝脏、胰腺、肌肉组织评估胰岛素抵抗、血脂、脂肪因子和炎症细胞因子水平. 此外
进一步研究磷脂酰肌醇3激酶(PI3K)-蛋白激酶B (PKB或Akt)/哺乳动物雷帕霉素靶蛋白(mTOR)-核糖体蛋白亚基6激酶1(S6K1)/ AMP活化蛋白激酶(AMPK)-过氧化物酶体增殖激活受体共激活剂1α (PGC-1α)通路的改变.
结果:
2
治疗4周后
与肥胖2型糖尿病大鼠比较
MLZD治疗可明显降低大鼠空腹血糖及胰岛素水平、胰岛素抵抗指数
提高胰岛素敏感指数
并呈现剂量依赖性改变(
P
<
0.05). 肥胖2型糖尿病大鼠血清总胆固醇、甘油三酯、低密度脂蛋白胆固醇及游离脂肪酸水平亦明显降低; 脂联素水平升高
瘦素、抵抗素、肿瘤坏死因子-α和白细胞介素-6水平降低(均
P
<
0.05或
P
<
0.01)
脂肪因子和炎症细胞因子水平得到较大改善. 此外
MLZD可调节PI3K-Akt/mTOR-S6K1/AMPK-PGC-1α通路
保护肝脏和胰腺组织结构.
结论:
2
MLZD可有效改善糖脂代谢和炎症反应
其作用可能与PI3K-Akt/mTOR-S6K1/AMPK-PGC-1α信号通路有关.
Objective:
2
To investigate the protective effects of modified Linggui Zhugan Decoction (MLZD)
a traditional Chinese medicine formula
on obese type 2 diabetes mellitus (T2DM) rats.
Methods:
2
Fifty Sprague-Dawley rats were randomly divided into 5 groups by a random number table
including normal
obese T2DM (ob-T2DM)
MLZD low-dose [MLDZ-L
4.625 g/(kg•d)]
MLZD middle-dose [MLD-M
9.25 g/(kg•d) ] and MLZD high-dose [MLD-H
18.5 g/(kg•d)] groups
10 rats in each group. After 4-week intervention
blood samples and liver
pancreas
muscle tissues were collected to assess the insulin resistance (IR)
blood lipid
adipokines and inflammation cytokines. The alteration of phosphatidylinositol 3 kinase (PI3K)- protein kinase B (PKB or Akt)/the mammalian target of rapamycin (mTOR)-ribosome protein subunit 6 kinase 1 (S6K1)/AMP-activated protein kinase (AMPK)-peroxisome proliferator-activated receptor gamma coactivator 1 alpha (PGC-1α) pathways were also studied.
Results:
2
MLZD dose-dependently reduced fasting blood glucose
fasting insulin
homeostasis model of assessment for IR index and increased insulin sensitive index compared with ob-T2DM rats (
P
<
0.05). Similarly
total cholesterol
triglyceride
low-density lipoprotein cholesterol and free fatty acids were also decreased compared with ob-T2DM rats after 4-week treatment (
P
<
0.05 or
P
<
0.01). Improvements in adipokines and inflammatory cytokines were observed with a raised level of adiponectin and a reduced level of leptin
resistin
tumor necrosis factor-α and interleukin-6 (
P
<
0.05 or
P
<
0.01). MLZD regulated the PI3K-Akt/mTOR-S6K1/AMPK-PGC-1α pathways and restored the tissue structure of liver and pancreas (
P
<
0.05 or
P
<
0.01).
Conclusions:
2
MLZD ameliorated glycolipid metabolism and inflammation
which may be attributed to the regulation of PI3K-Akt/mTOR-S6K1/AMPK-PGC-1α pathways.
Chinese medicineobesitytype 2 diabetes mellitusglycolipid metabolismadipokinesinflammation
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