%0 Journal Article %T 高糖条件下HRCECs中GALNT2与p-EGFR相关性研究
A Study on the Correlation between GALNT2 in HRCECs and p-EGFR under High Sugar Conditions %A 包岭君 %A 格日勒图 %J Advances in Clinical Medicine %P 1593-1602 %@ 2161-8720 %D 2024 %I Hans Publishing %R 10.12677/acm.2024.1461953 %X 目的:探讨在高糖条件下敲低多肽N-乙酰半乳糖胺转移酶2 (GALNT2)与抑制磷酸化表皮生长因子受体(Phosphorylated epidermal growth factor receptor, p-EGFR)对视网膜血管内皮细胞(HRCECs)增生及凋亡的影响。方法:本研究以高糖(25 mmol·L1)状态下体外培养的HRCECs为研究对象,将HRCECs分为mock组(25 mmol·L1葡萄糖)、mock + shGALNT2组(25 mmol·L1葡萄糖 + GALNT2敲低病毒)、mock + NC-shGALNT2 + Chrysophanol组(25 mmol·L1葡萄糖 + 对照病毒 + Chrysophanol)、mock + shGALNT2 + Chrysophanol组(25 mmol·L1葡萄糖 + GALNT2敲低病毒 + Chrysophanol),连同培养液在37℃恒温培养箱中培养24 h,比较各组GALNT2 mRNA相对表达量、细胞增生值、细胞凋亡率,以及GALNT2、EGFR、EGF、p-EGFR蛋白相对表达量。结果:mock组、mock + shGALNT2、mock + NC-shGALNT2 + Chrysophanol组和mock + shGALNT2 + Chrysophanol组细胞中GALNT2 mRNA相对表达量比较,差异有统计学意义(P < 0.001)。mock + NC-shGALNT2 + Chrysophanol组和mock + shGALNT2 + Chrysophanol组中细胞增生值低于mock + shGALNT2组,差异具有统计学意义(P < 0.001);mock + shGALNT2 + Chrysophanol组中细胞增生值高于mock + NC-shGALNT2 + Chrysophanol组,差异具有统计学意义(P < 0.001)。mock组、mock + shGALNT2组、mock + NC-shGALNT2 + Chrysophanol组和mock + shGALNT2 + Chrysophanol组细胞凋亡率分别为(8.66 ± 0.22)%、(5.47 ± 0.16)%、(11.94 ± 0.85)%和(6.70 ± 0.26)%,总体比较差异有统计学意义(F = 96.56, P < 0.001)。mock + shGALNT2 + chrysophanol组细胞凋亡率高于mock + shGALNT2组,差异有统计学意义(P < 0.001);mock + shGALNT2 + chrysophanol组细胞凋亡率低于mock + NC-shGALNT2 + chrysophanol组,差异有统计学意义(P < 0.001)。mock + NC-shGALNT2 + Chrysophanol 组和mock + shGALNT2 + Chrysophanol组GALNT2蛋白相对表达量高于mock + shGALNT2组,差异有统计学意义(P < 0.001)。mock + NC-shGALNT2 + Chrysophanol组EGF、EGFR、p-EGFR蛋白相对表达量高于mock + shGALNT2组,但差异无统计学意义(P > 0.05)。结论:在高糖条件下,敲低的GALNT2可以通过介导p-EGFR可以提高HRCECs细胞的增殖能力,减少HRCECs细胞的凋亡。
Objective: To investigate the effects of knocking down peptide N-acetylgalactosamine transferase 2 (GALNT2) and inhibiting phosphorylation of epidermal growth factor receptor under high glucose conditions on the proliferation and apoptosis of retinal vascular endothelial cells (HRCECs). Method: This study focuses on cultured HRCECs in vitro under high glucose (25 mmol·L1) conditions, and divides them into a mock group (25 mmol·L1 glucose), mock + shGALNT2 group (25 mmol·L1 glucose + GALNT2 knockdown virus), mock + NC-shGALNT2 + Chrysophanol group (25 mmol·L1 glucose + control virus + Chrysophanol), mock + shGALNT2 + Chrysophanol group (25 mmol·L1 glucose + GALNT2 knockdown virus + Chrysophanol) and culture medium were cultured in a constant temperature %K 糖尿病视网膜病变,多肽N-乙酰半乳糖胺转移酶2,p-EGFR抑制剂
Diabetes Retinopathy %K Peptide N-Acetylgalactosamine Transferase 2 %K P-EGFR Inhibitor %U http://www.hanspub.org/journal/PaperInformation.aspx?PaperID=90607