Lipid-like nanoparticles(LLNs)have been extensively explored for messenger RNA(mRNA)delivery in various biomedical applications.However,the long-term storage of these nanoparticles is still a challenge for their clini...Lipid-like nanoparticles(LLNs)have been extensively explored for messenger RNA(mRNA)delivery in various biomedical applications.However,the long-term storage of these nanoparticles is still a challenge for their clinical translation.In this study,we investigated a series of conditions for the long-term storage of LLNs with encapsulation of mRNA.We evaluated the stability of LLNs with different concentrations of cryoprotectants(sucrose,trehalose or mannitol)under the conditions of freezing or lyophilization processes.Through in vitro and in vivo mRNA delivery studies,we identified the optimal storage condition,and found that the addition with 5%(w/v)sucrose or trehalose to LLNs could remain their mRNA delivery efficiency for at least three months in the liquid nitrogen storage condition.展开更多
Phase transition of a lipid-like hemicyanine compound characterized by second harmonic generation is studied carefully. The phase transition is assigned as the first order transition between solid state and liquid sta...Phase transition of a lipid-like hemicyanine compound characterized by second harmonic generation is studied carefully. The phase transition is assigned as the first order transition between solid state and liquid state. The transition temperature increases with an increase in the surface molecular concentration. A monolayer structure parameter a which is very sensitive to the phase transition is introduced.展开更多
血管生成素样蛋白8(angiopoietin-like protein 8,ANGPTL8)是最新发现的ANGPTLs家族成员,是一种与脂类代谢相关的分泌性蛋白因子。作者综述了ANGPTL8基因的结构、定位、表达调控、功能等方面的研究进展,对该基因作为治疗脂类相关疾病的...血管生成素样蛋白8(angiopoietin-like protein 8,ANGPTL8)是最新发现的ANGPTLs家族成员,是一种与脂类代谢相关的分泌性蛋白因子。作者综述了ANGPTL8基因的结构、定位、表达调控、功能等方面的研究进展,对该基因作为治疗脂类相关疾病的靶基因的前景做了展望。展开更多
基金supported by the Bayer Hemophilia Awards Program as well as the start-up fund from the College of Pharmacy at The Ohio State University.
文摘Lipid-like nanoparticles(LLNs)have been extensively explored for messenger RNA(mRNA)delivery in various biomedical applications.However,the long-term storage of these nanoparticles is still a challenge for their clinical translation.In this study,we investigated a series of conditions for the long-term storage of LLNs with encapsulation of mRNA.We evaluated the stability of LLNs with different concentrations of cryoprotectants(sucrose,trehalose or mannitol)under the conditions of freezing or lyophilization processes.Through in vitro and in vivo mRNA delivery studies,we identified the optimal storage condition,and found that the addition with 5%(w/v)sucrose or trehalose to LLNs could remain their mRNA delivery efficiency for at least three months in the liquid nitrogen storage condition.
基金Project supported by the National Natural Science Foundation of China (Grant Nos. 29425004, 19434012 and 29671001)
文摘Phase transition of a lipid-like hemicyanine compound characterized by second harmonic generation is studied carefully. The phase transition is assigned as the first order transition between solid state and liquid state. The transition temperature increases with an increase in the surface molecular concentration. A monolayer structure parameter a which is very sensitive to the phase transition is introduced.
