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第44卷第4期 罗瑞熙,王文佳,王 平,等. 槲皮素通过调控内质网应激信号通路改善非酒精性脂肪肝大
2024年4月 鼠肝脏损伤[J]. 南京医科大学学报(自然科学版),2024,44(04):445-454 ·451 ·
A Control HFD HFD+Que(L) HFD+Que(H)
B Control HFD HFD+Que(L) HFD+Que(H)
C D
15 15
* *
(mmol/gprot) 10 # # (mmol/gprot) 10 #
Liver TG 5 Liver TG 5
0 0
Control HFD (L) (H) Control HFD (L) (H)
HFD+Que HFD+Que
HFD+Que
HFD+Que
A,B:Representative HE(A)and oil red O staining(B)images of liver tissues(×200). Scale bar:50 μm. C,D:Total TG and TC contents of liver
#
*
tissues. Compared with the control group,P < 0.05;compared with the HFD group,P < 0.05(n=5).
图3 Que对NAFLD大鼠肝脏脂质沉积的影响
Figure 3 Effects of Que on hepatic lipid deposition in NAFLD rats
A 5 4 B 15 ** C 20 Control
Fasting blood glucose (mmol/L) 3 2 Fasting blood insuline (mU/L) 10 5 # # (mmol/L) 15 ■ ● ▲ ▲ * ■ * ■ ▲ HFD+Que(L)
HFD
▲
●
▲
▲
HFD+Que(H)
▲
#
10
●
▲
▲
#
0 1 0 Blood glucose 5 ■ ▲ & ● ■ ▲ ▲
Control HFD (L) (H) Control HFD (L) (H) 0
HFD+Que HFD+Que 0 30 Time(min) 90 120
HFD+Que
HFD+Que
60
A:The fasting blood glucose level in the different groups. B:The fasting serum insulin level in the different groups. C:Blood glucose levels in the
#
**
*
glucose tolerance test. Compared with the control group,P < 0.05,P < 0.01;compared with the HFD group,P < 0.05(n=5).
图4 Que对NAFLD大鼠糖代谢的影响
Figure 4 Effects of Que on glucose metabolism in NAFLD rats
Que 可以明显抑制其表达,提示 Que 可通过抑制
3 讨 论
ERS 通路减轻 ERS 激动剂引起的细胞损伤(图
6D)。以上结果提示Que可通过抑制ERS通路减轻 NAFLD作为一种代谢性疾病,其发病机制十分
肝细胞脂毒性损伤。 复杂。目前认为过量代谢底物如脂肪酸积聚于肝