高等学校化学学报 ›› 2026, Vol. 47 ›› Issue (11): 20260242.doi: 10.7503/cjcu20260242
罗蕊1, 张芯玮1, 刘洋1, 王磊1, 吴小君1, 肖军海2(
), 林凤1(
)
收稿日期:2026-06-19
出版日期:2026-11-10
发布日期:2026-07-28
通讯作者:
林凤
E-mail:xiaojunhai@139.com;linfeng@jlu.edu.cn
作者简介:肖军海, 男, 博士, 研究员, 主要从事药物分子设计及创新药物方面的研究. E-mail: xiaojunhai@139.com
基金资助:
LUO Rui1, ZHANG Xinwei1, LIU Yang1, WANG Lei1, WU Xiaojun1, XIAO Junhai2(
), LIN Feng1(
)
Received:2026-06-19
Online:2026-11-10
Published:2026-07-28
Contact:
LIN Feng
E-mail:xiaojunhai@139.com;linfeng@jlu.edu.cn
Supported by:摘要:
研究了Src酪氨酸蛋白激酶抑制剂Y-11对转基因小鼠APP/PS1的神经保护作用. 结果表明, Y-11的给药可以显著改善阿尔茨海默病(AD)小鼠的认知功能障碍, 降低大脑中AD病理相关蛋白的表达. 同时, Y-11通过抑制胶质细胞激活, 增加突触蛋白水平, 减轻神经炎症并缓解突触功能的障碍. 以上研究表明, Y-11具有对AD的神经保护作用, 为Src抑制剂治疗AD提供了理论基础.
中图分类号:
TrendMD:
罗蕊, 张芯玮, 刘洋, 王磊, 吴小君, 肖军海, 林凤. 新型Src激酶抑制剂对APP/PS1小鼠的神经保护作用. 高等学校化学学报, 2026, 47(11): 20260242.
LUO Rui, ZHANG Xinwei, LIU Yang, WANG Lei, WU Xiaojun, XIAO Junhai, LIN Feng. Neuroprotective Effects of Novel Src Kinase Inhibitor on APP/PS1 Mice. Chem. J. Chinese Universities, 2026, 47(11): 20260242.
| Enzyme | KDR | C⁃kit | Src | EGFR | Erb⁃b2 | FGFR1 | FGFR2 |
|---|---|---|---|---|---|---|---|
| Y11(10-5 mol/L) | 42.5 | 80.2 | 98.7 | 61.6 | 14.2 | 64.2 | 28.9 |
| Positive drug | 80.1 | 82.5 | 82.2 | 82.0 | 80.0 | 73.6 | - |
Table 1 Inhibition rates of Y-11 compound on tyrosine kinase activity(%)*
| Enzyme | KDR | C⁃kit | Src | EGFR | Erb⁃b2 | FGFR1 | FGFR2 |
|---|---|---|---|---|---|---|---|
| Y11(10-5 mol/L) | 42.5 | 80.2 | 98.7 | 61.6 | 14.2 | 64.2 | 28.9 |
| Positive drug | 80.1 | 82.5 | 82.2 | 82.0 | 80.0 | 73.6 | - |
Fig.2 Y⁃11 Alleviate cognitive impairment in APP/PS1 mice(A) The path tracings on the testing day in the Morris water maze; (B) the escape latency on the 4 training days and the last fifth day; (C) the number of crossing the platform and ratio time(D) spend in target quadrant on the testing day of MWM test; (E) the path tracings in the Y maze test; (F) the testing latency in the Y maze test; (G) recognition index in New Object recognition test; (H) the number of center entries in open field test and (I) the path tracings. Data are expressed as the mean±SEM(n=6). *p<0.05, **p<0.01, ***p<0.001. WT, wild-type group.
Fig.3 Y⁃11 improved pathological alterations in the brain of APP/PS1 miceImmunohistochemistry of Aβ plaque(A) and p-Tau (B) in the hippocampus(the arrow indicates the positive area. Up: 40×; scale bar: 200 μm; Down: 200×; scale bar: 50 μm; n=6); (C) quantitative analysis of Aβ plaque from the immunohistochemistry section(A); (D) quantitative analysis of p-Tau from the immunohistochemistry section(B); (E—H) western blots and quantitative analysis of Aβ, p-Tau, Tau in hippocampus of mice. Data represents mean±SEM(n=6). *p<0.05, **p<0.01, ***p<0.001, ****p<0.0001.
Fig.4 Y⁃11 relieved neuroinflammation and restored the function of neuronsImmunolabeling for GFAP(A) or Iba1(B) in the hippocampus of mice (The arrow indicates the positive area. Up: 40×; scale bar: 200 μm; Down: 200×; scale bar: 50 μm, n=6); (C) quantitative analysis of GFAP from the immunohistochemistry section(A); (D) quantitative analysis of Iba1 from the immunohistochemistry section(B). Data represents mean±SEM. **p<0.01, ***p<0.001, ****p<0.0001.
Fig.5 Y⁃11 effectively improved synaptic plasticity and function(A) Western blots and quantitative analysis of PSD95, Syn, p-SFK and p-NMDAR in hippocampus of mice; (B)—(E) quantification of the western blot of PSD95, Syn, p-SFK and p-NMDAR, respectively. Data represents mean±SEM(n=6). *p<0.05, **p<0.01, ***p<0.001, ****p<0.0001.
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