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| 1 | Small interfering RNA-based molecular therapy of cancers显示文摘RNA interference(RNAi)has become a gold standard for validating gene function in basic life science research and provides a promising therapeutic modality for cancer and other diseases.This minireview focuses on the potential of small interfering RNAs(siRNAs)in anticancer treatment,including the establishment and screening of cancer-associated siRNA libraries and their applications in anticancer drug target discovery and cancer therapy.This article also describes the current delivery approaches of siRNAs using lipids,polymers,and,in particular,gold nanoparticles to induce significant gene silencing and tumor growth regression. | Wei Guo Wangbing Chen Wendan Yu Wenlin Huang Wuguo Deng | 2013 | Chinese Journal of Cancer2013，32，9： | 5 |
| 2 | Pathologically triggered in situ aggregation of nanoparticles for inflammation-targeting amplification and therapeutic potentiation显示文摘Uncontrolled and persistent inflammation is closely related to numerous acute and chronic diseases.However,effective targeting delivery systems remain to be developed for precision therapy of inflammatory diseases.Herein we report a novel strategy for engineering inflammationaccumulation nanoparticles via phenolic functionalization.Different phenol-functionalized nanoparticles were first developed,which can undergo in situ aggregation upon triggering by the inflammatory/oxidative microenvironment.Phenolic compound-decorated poly(lactide-co-glycolide)nanoparticles,in particular tyramine(Tyr)-coated nanoparticles,showed significantly enhanced accumulation at inflammatory sites in mouse models of colitis,acute liver injury,and acute lung injury,mainly resulting from in situ cross-linking and tissue anchoring of nanoparticles triggered by local myeloperoxidase and reactive oxygen species.By combining a cyclodextrin-derived bioactive material with Tyr decoration,a multifunctional nanotherapy(TTN)was further developed,which displayed enhanced cellular uptake,antiinflammatory activities,and inflammatory tissue accumulation,thereby affording amplified therapeutic effects in mice with colitis or acute liver injury.Moreover,TTN can serve as a bioactive and inflammation-targeting nanoplatform for site-specifically delivering a therapeutic peptide to the inflamed colon post oral administration,leading to considerably potentiated in vivo efficacies.Preliminary studies also revealed good safety of orally delivered TTN.Consequently,Tyr-based functionalization is promising for inflammation targeting amplification and therapeutic potentiation of nanotherapies. | Qiang Nie Chenwen Li Yu Wang Yi Hu Wendan Pu Qixiong Zhang Jiajun Cai Yongyao Lin Gang Li Chenping Wang Lanlan Li Yin Dou Jianxiang Zhang | 2023 | Acta Pharmaceutica Sinica B2023，13，1： | 1 |
| 3 | Observation and analysis of morphology abnormalities in development of Oryzias melastigma embryos显示文摘Fish embryos are widely used as models in toxicology,drug development,and human disease research because of their high sensitivity,observability,and operability,providing the basis for an in-depth understanding of the embryogenesis.Increasing studies have indicated that birth defects are hereditary.In this study,we used Oryzias melastigma as a model to conduct a study of 185-day embryogenesis and observed self-induced non-pathological abnormal embryogenesis.O.melastigma experienced pre-puberty stage,adolescence stage,and senescence stage,and individuals produced up to 102 eggs per day.However,the fecundity was markedly reduced during the senescent stage.During the active egg and blastodisc stages,pseudo-fertilization and pseudo-blastocysts were observed.During cleavage at the 4-to 32-cell stages,we observed blastomeres separation or dislocation.Excessively separated blastomeres formed double blastoderms,eventually resulting in conjoined twins.During the blastula stage,we observed abnormally increased cell volume,narrowed and elongated blastocysts,and abnormally coated blastoderms.At the organogenesis stage,we observed abnormal numbers of Kupff er’s vesicles and conjoined twins.Abnormality in the location and number of oil droplets were observed in various development stages.Abnormal development was more commonly observed in fertilized eggs produced by broodstock in pre-puberty or senescence stages,which is probably related to the age of fish and the egg quality.This study can provide the materials for comparative analysis in toxicological and molecular studies of O.melastigma,and may provide evidence for other economic fish that produce sticky eggs. | Jingjing SONG Haiyi WU Kaikai LIU Wendan CHI Shanshan GE Zhipeng ZHANG Mingqi WANG Yi YU Daode YU | 2021 | Journal of Oceanology and Limnology2021，39，4： | 0 |
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