Chem. J. Chinese Universities ›› 2022, Vol. 43 ›› Issue (12): 20220476.doi: 10.7503/cjcu20220476
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CHEN Xiwen1, CHENG Chaoqun1, CHENG Yuan1, ZHAO Sheng1, WEI Hui1,2()
Received:
2022-04-11
Online:
2022-12-10
Published:
2022-08-24
Contact:
WEI Hui
E-mail:weihui@nju.edu.cn
Supported by:
CLC Number:
TrendMD:
CHEN Xiwen, CHENG Chaoqun, CHENG Yuan, ZHAO Sheng, WEI Hui. CeO2@montmorillonite Nanozyme for Crohn’s Disease Therapy[J]. Chem. J. Chinese Universities, 2022, 43(12): 20220476.
Fig.4 XRD patterns(A), zeta potentials(B) and XPS spectra(C, D) of CeO2,MMT and CeO2@MMT(B) Data are presented as mean±standard error of the mean(n=3).
Fig.5 ROS scavenging activity of CeO2@MMT(A) CAT-like activity test. Typical kinetic curves of oxygen generation from the decomposition of H2O2 in the presence of indicated materials recorded every 30 s for 10 min. (B) SOD-like activity and •O2‒ scavenging rates of indicated materials. Data are presented as mean±standard error of the mean(n=4).
Fig.6 Cell viability after incubation with indicated materials for 24 h(A) and ROS level of RAW264.7 macrophages pretreated with indicated materials under H2O2(100 μmol/L) stimulation(B)Data are presented as mean±standard error of the mean(n=5). ****P < 0.0001 compared to the H2O2 group.
Fig.8 Weight change and colon length statistics of different groups of mice(A) The curves of weight changes of mice in different treatment groups; statistics(B) and photos(C) of colon length of mice in different treatment groups on day 12. Data are presented as mean±standard error of the mean(n=5). *P < 0.05 compared to the TNBS group.
Fig.10 Local concentrations of the proinflammatory cytokines IL⁃1β(A) and TNF⁃α(B) in colon homogenate of different groups of mice on the 12th dayData are presented as mean±standard error of the mean(n = 5). **** P < 0.0001 and ** P < 0.01, comparison between TNBS group and CeO2@MMT group.
Fig.11 Pathological sections(H&E staining) of the heart, liver, spleen, lung, and kidney of different groups of mice after 7 d(A) and 30 d(B) of administration
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