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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
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