高等学校化学学报 ›› 2026, Vol. 47 ›› Issue (10): 20260119.doi: 10.7503/cjcu20260119
梅笑寒, 梁留博, 矫健鹏, 白宇, 王贵宾(
), 张淑玲(
)
收稿日期:2026-03-21
出版日期:2026-10-10
发布日期:2026-06-10
通讯作者:
王贵宾,张淑玲
E-mail:wgb@jlu.edu.cn;zsl@jlu.edu.cn
基金资助:
MEI Xiaohan, LIANG Liubo, JIAO Jianpeng, BAI Yu, WANG Guibin(
), ZHANG Shuling(
)
Received:2026-03-21
Online:2026-10-10
Published:2026-06-10
Contact:
WANG Guibin, ZHANG Shuling
E-mail:wgb@jlu.edu.cn;zsl@jlu.edu.cn
Supported by:摘要:
通过溶液沉淀法合成了羟基磷灰石纳米棒(nHAp), 模拟天然骨基质的无机成分, 增强了材料的骨传导性; 通过水热法合成了磷酸钼钴微米棒(CPMmr), 利用其介导的类芬顿反应催化过氧化氢生成羟基自由基, 实现了对肿瘤细胞的有效杀伤; 通过相转化法制备了具有连续贯通指状大孔和微米小孔的多孔聚醚醚酮(PEEK)支架, 以促进细胞迁移、 营养物质交换及组织长入. 将CPMmr与nHAp均匀分散于甲基丙烯酯化的氧化透明质酸(AHAMA)与聚乙二醇甲醚甲基丙烯酸酯(PEGMA)复合水凝胶前驱液中, 通过紫外光引发聚合将其接枝到多孔PEEK支架表面, 合成了具有成骨活性及抗肿瘤功能的多孔PEEK复合支架. 体外细胞实验结果表明, 多孔PEEK复合支架对小鼠胚胎成骨细胞前体细胞(MC3T3-E1)具有良好的生物相容性, 且能显著促进成骨相关基因的表达水平. 此外, CPMmr可在肿瘤微环境中介导类芬顿反应, 显著提升了人骨肉瘤细胞(MG-63)的氧化应激水平, 导致活性氧积累并使肿瘤细胞凋亡, 显示出良好的抗肿瘤效果.
中图分类号:
TrendMD:
梅笑寒, 梁留博, 矫健鹏, 白宇, 王贵宾, 张淑玲. 具有成骨和抗肿瘤功能的多孔聚醚醚酮复合支架的制备. 高等学校化学学报, 2026, 47(10): 20260119.
MEI Xiaohan, LIANG Liubo, JIAO Jianpeng, BAI Yu, WANG Guibin, ZHANG Shuling. Preparation of Porous Poly Ether Ether Ketone Composite Scaffolds with Osteogenic and Anti-tumor Functionalization. Chem. J. Chinese Universities, 2026, 47(10): 20260119.
Fig.4 Degradation of MB by solutions containing 100 μg/mL CPMmr, H₂O₂, CPMmr+H₂O₂, and CPMmr+H₂O₂(HCO3-) after 10 min(A), CPMmr+H₂O₂(HCO3-) solutions with different CPMmr concentrations after 30 min(B), and 250 μg/mL CPMmr+H₂O₂(HCO3-) solutions under different time(C)The HCO₃⁻ mentioned above represents 25 mmol/L NaHCO₃ solution.
Fig.9 SEM images of top view(A, B, D, E, G, H, J, K) and front views(C, F, I, L) of porous AP/PEEK composite scaffold(A—C), porous CPMmr@AP/PEEK composite scaffold(D—F), porous nHAp@AP/PEEK composite scaffold(G—I) and porous CH@AP/PEEK composite scaffold(J—L)
Fig.10 Calcium⁃AM/PI staining image of porous AP/PEEK composite scaffold, porous CPMmr@AP/PEEK composite scaffold, porous nHAp@AP/PEEK composite scaffold and porous CH@AP/PEEK composite scaffold with MC3T3⁃E1 cells
Fig.11 Quantification by RT⁃PCR of ALP(A), Col⁃1(B), BMP⁃2(C) and RUNX2(D) expression in porous AP/PEEK composite scaffold(a), porous CPMmr@AP/PEEK composite scaffold(b), porous nHAp@AP/PEEK composite scaffold(c) and porous CH@AP/PEEK composite scaffold(d)*p<0.05, **p<0.01, **p<0.001.
Fig.12 Calcium⁃AM/PI staining image of porous AP/PEEK composite scaffold, porous CPMmr@AP/PEEK composite scaffold, porous nHAp@AP/PEEK composite scaffold and porous CH@AP/PEEK composite scaffold with MG⁃63 cells
Fig.13 Fluorescence microscopy images of the intracellular ROS stained with DCFH⁃DA in porous AP/PEEK composite scaffold, porous CPMNr@AP/PEEK composite scaffold, porous nHAp@AP/PEEK composite scaffold and porous CH@AP/PEEK composite scaffold
Fig.14 Fluorescence microscopy images of mitochondrial membrane potential stained with JC⁃1 in porous AP/PEEK composite scaffold, porous CPMmr@AP/PEEK composite scaffold, porous nHAp@AP/PEEK composite scaffold and porous CH@AP/PEEK composite scaffold
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