Resumen de: EP4830722A1
The present disclosure relates to a method for manufacturing a nanobubble-based drug delivery vehicle using a focused ultrasonic technology, and a nanobubble-based drug delivery vehicle manufactured thereby, and more specifically, to a method for manufacturing a drug delivery vehicle using a focused ultrasonic technology, the drug delivery vehicle including a shell, and a drug and nanobubbles contained inside the shell, and a nanobubble-based drug delivery vehicle manufactured thereby.
Resumen de: EP4830735A2
0001 The present disclosure provides, in some aspects, virus-like particle drug conjugate formulations and use of the conjugates for treating ocular tumors or lesions.
Resumen de: WO2025137088A2
Cargo-free metabolite-based nanoparticles with high biocompatibility and low organ toxicity are provided to dampen pro-inflammatory responses while mitigating accompanying metabolic dysregulation in certain inflammatory conditions such as obesity and its metabolic sequelae such as type 2 diabetes. These nanoparticles are also useful as treatment for inflammatory and allergic conditions such as allergic airway inflammation. These nanoparticles are engineered from biodegradable polymers comprising endogenous bioactive metabolites, which upon cellular internalization are degraded into their monomeric components over time to elicit multimodal immunomodulatory functions without the need for frequent dosing, including inducing anti-inflammatory immune cell phenotypes, i.e., M2 macrophages.
Resumen de: WO2025133115A1
The invention relates to lipid-based nanoparticles comprising mRNA molecule(s) encoding interleukin 35 (IL-35), and their use to treat inflammatory and/or auto-immune diseases.
Resumen de: WO2025129333A1
The present disclosure provides a method for delivering a nucleic acid cargo to the liver of a subject, the method comprising administering to the subject a lipid nanoparticle encapsulating the nucleic acid and comprising a non-polar lipid. The lipid nanoparticle may exhibit a blebbed morphology, despite the absence or low levels of phospholipid. The disclosure further provides compositions for delivering nucleic acid cargo to the liver in order to treat various diseases, disorders and conditions in the subject.
Resumen de: WO2025129271A1
The claimed invention is to a lipid delivery vehicle for eliciting a tolerogenic immune response in a subject, comprising nuclear factor-KB (NF-KB) inhibitor and a peptide antigen, wherein the lipid delivery vehicle comprises 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC) and l-palmitoyl-2-oleoyl-sn-glycero-3-phosphoglycerol (POPG).
Resumen de: WO2025137170A1
The present invention provides compositions including nanoparticles and at least two polynucleotide or protein antigens separated by a linker. The fusion polynucleotides or fusion polypeptides may encode or may be cancer antigens. The nanoparticles are engineered to target dendritic cells. Methods of using the compositions and cells treated with the compositions are also provided.
Resumen de: WO2025134071A1
Provided herein are ionizable or cationic lipids of Formula (I): (I), or pharmaceutically acceptable salts thereof. The ionizable or cationic lipids provided herein can be useful for delivery and expression of mRNA and encoded protein, e.g., as a component of liposomal delivery vehicle, and accordingly can be useful for treating various diseases, disorders and conditions, such as those associated with deficiency of one or more proteins.
Resumen de: AU2024403484A1
The present invention relates to the field of lipid nanoparticles (LNP); more specifically comprising an ionizable lipid, a phospholipid, a sterol, a PEG lipid and one or more nucleic acids. The LNP's of the present invention are characterized in having an ionizable lipid content of above 55 mol% and a ratio of cholesterol to phospholipid of 1 : 1 or less, such as about 1 : 2 or less. The present invention provides use of the LNP's for extrahepatic deliveryof nucleic acid molecules, specifically mRNA; thereby making them highly suitable for use in the treatment of cancer, autoimmune diseases, genetic disorders, hematological disorders, aging, fibrosis, neurological disorders, cardiovascular diseases or infectious diseases.
Resumen de: WO2025130965A1
A method of preventing, treating or managing a disease in an organ or a tissue in a subject, comprising administration of a lipid nanoparticle comprising a messenger RNA (mRNA) encoding a protein to the subject having the disease in an organ or tissue via a systemic administration route, wherein the half-life of the protein is less than certain value as determined in mouse serum, and wherein the comparative accumulation level of the protein in the organ or tissue when the lipid nanoparticle comprising the mRNA encoding the protein is administered via the systemic administrative route is higher than the comparative accumulation level of the protein in the organ or tissue when the protein is administered via the same systemic administration route.
Resumen de: WO2025137069A1
The present invention relates to nucleic acids comprising a sequence encoding a fusion protein comprising Cas9 or a variant or fragment thereof, Rad18 or Rad52 or a variant or fragment thereof, and CtIP or a variant or fragment thereof, vectors encoding the same, pharmaceutical compositions thereof and methods of modifying a genomic sequence in cells by administering the compositions.
Resumen de: WO2025137465A1
Base editors with modified editing windows, such as base editors containing a deaminase domain and a nucleic acid programmable DNA binding protein domain (napDNAbp), where the napDNAbp is modified relative to a reference napDNAbp to alter the base editing window of the base editors relative to a reference base editor containing the deaminase domain and the reference napDNAbp. In some embodiments, the base editing window is shifted and/or expanded relative to the reference base editor.
Resumen de: WO2025133105A1
A composition comprising: (a) a cationically ionizable lipid; (b) cholesterol; (c) a cholesterol ester; and (d) a neutral lipid; wherein the cholesterol ester (c) is present in an amount of up to about 75 mol% of the total of cholesterol (b) and cholesterol ester (c) present in the composition, is disclosed. Methods of preparing the composition, nucleic acid-lipid particle compositions and methods of preparing them using the composition, and their use in medicine, are also disclosed.
Resumen de: CN122973653A
本发明公开了一种具有双酶活性的纳米诊疗制剂及其制备方法和应用,属于纳米材料技术领域。该纳米制剂以锰四羧基苯基卟啉(Mn‑TCPP)为配体、锆氧簇为金属节点构建具有类超氧化物歧化酶(SOD)活性的金属有机框架Mn‑PCN,并在其表面负载铈纳米酶,利用Ce3+/Ce4+可逆转化赋予其类SOD和类过氧化氢酶(CAT)双活性,进一步用透明质酸(HA)修饰最外层以实现CD44受体靶向。该制剂通过Mn‑PCN与铈纳米酶的级联催化协同清除超氧阴离子和过氧化氢,缓解氧化应激与缺氧,并诱导巨噬细胞从促炎M1表型向抗炎M2表型极化,从而重塑类风湿关节炎免疫微环境。本发明提供的纳米制剂制备方法可控,具有良好的生物相容性和靶向性,在类风湿关节炎等氧化应激相关疾病的治疗中具有应用前景。
Resumen de: WO2025130564A1
Provided are an mRNA encoding a nerve growth factor (NGF), and a composition and use thereof. ORF sequences having a high protein expression level are obtained by means of codon optimization and screening, and multiple groups of mRNAs having a high NGF protein expression level are obtained by means of combined screening of 5'UTR and 3'UTR; furthermore, after recombinant fusion of the ORF sequences, the expression efficiency and stability of the mRNA are significantly improved; and the mRNA also has a good protein expression effect in animal bodies. Thus, the provided mRNA can be used to ameliorate NGF deficiency in animal bodies, thereby preventing and/or treating neuronal disorders caused by NGF deficiency, in particular neurotrophic keratitis.
Resumen de: CN122973467A
本发明提供了负载小干扰RNA的肿瘤基因药物及其制法和应用。具体地,本发明提供了负载小干扰RNA(siRNA)的肿瘤基因药物及其肿瘤基因药物,所述负载小干扰RNA的全细胞肿瘤基因药物包括(a)阳离子脂质纳米粒;和(b)抑制PDE4D基因表达的小干扰RNA,其中,所述阳离子脂质纳米粒的Zeta电位为8‑20mv;所述阳离子脂质纳米粒的平均粒径为80‑160nm。本发明的肿瘤基因药物具有高细胞摄取效率和高载药量,通过特异性下调PDE4d表达,从而提高抗原提呈细胞的抗原呈递能力。此外,本发明的肿瘤基因药物与肿瘤抗原联用,产生强烈的适应性免疫应答水平,从而协同且高效地激发免疫反应,显著抑制肿瘤生长。
Resumen de: CN122973386A
本发明涉及生物医用材料与纳米药物递送技术领域,具体涉及一种高稳定性的促炎症消退介质仿生纳米制剂及其制备方法和应用。组成为PM‑H‑ZIF‑8@SPM。其中SPM选自RvE1、RvD1或RvE2中的任意一种。H‑ZIF‑8为组氨酸修饰的沸石咪唑酯骨架材料,PM为天然血小板膜。本发明利用H‑ZIF‑8的多孔结构及组氨酸修饰带来的高亲和力,将SPM稳定地封装于内核,有效隔离其与体内降解酶的接触,显著提高其稳定性和体内半衰期。利用天然血小板膜外层进行表面“伪装”,借助血小板膜表面的“自我识别”蛋白(如CD47)逃避免疫系统清除实现长循环;同时,利用血小板膜与受损血管内皮特异性结合的天然属性,实现对肺部炎症部位的主动靶向富集。利用H‑ZIF‑8在酸性条件下结构解体的特性,使载体在到达pH值较低的肺部炎症微环境后,实现药物在病灶区域的“按需”精准释放。
Resumen de: CN122973387A
本发明属于核酸递送与纳米药物制剂技术领域,涉及一种含PLGA‑PEG的核酸脂质纳米颗粒、制备方法及应用。该颗粒包括SM‑102、辅助磷脂、胆固醇、PLGA‑PEG和被包载核酸,PLGA‑PEG作为表面稳定组分部分或全部替代DMG‑PEG;将含脂质的有机相与含核酸的酸性水相快速混合,使核酸结合并自组装,随后去除乙醇并置换缓冲液。在一实施方式中,PLGA‑LNP粒径约108nm、PDI为0.18、核酸包封率为99.5%。所述颗粒可在保持核酸表达的同时降低给药后TNF‑α和/或IL‑6释放,并可负载VEGF mRNA用于口腔黏膜损伤、口腔溃疡或创面修复。
Resumen de: CN122978008A
本发明属于生物医药技术领域,具体涉及基于生源性肌酸骨架的可电离脂质、脂质纳米颗粒及其核酸递送应用。基于肌酸的可电离脂质,具有通式(I)所示的化学结构:;其中,n为1~6的整数,R1和R2各自独立的选自碳原子数为6~20的烷基、碳原子数为6~20的含醚键的烷基、碳原子数为6~20的烯基、碳原子数为6~20的含醚键的烯基、碳原子数为6~20的炔基、碳原子数为6~20的含醚键的炔基。本发明基于肌酸母核的新型可电离脂质,有望在保持良好安全性基础的同时,提高核酸药物的包载效率、细胞摄取能力和内涵体逃逸效率,为构建安全高效的脂质纳米颗粒递送系统提供新的技术路径。
Resumen de: CN122973538A
本发明属于纳米医学与生物医药材料技术领域,尤其涉及一种山药外泌体‑铂纳米簇复合纳米材料及其制备方法和应用。材料包括山药源纳米囊泡以及包覆于所述山药源纳米囊泡内部的介孔铂纳米簇。其制备方法包括:将介孔铂纳米簇与山药源纳米囊泡按照质量比100‑140:1的比例混合均匀,于2‑8℃条件下避光孵育过夜,使所述介孔铂纳米簇自组装包覆于所述山药源纳米囊泡内部,即得所述复合纳米材料。综上,本发明提供了一种结构明确、制备工艺温和、兼具抗氧化与免疫调控功能的山药外泌体‑铂纳米簇复合纳米材料及其制备方法和应用。
Resumen de: CN122977985A
本发明涉及医药技术领域,尤其涉及一种阳离子脂质、脂质纳米颗粒及应用。所述阳离子脂质的结构通式为:其中,R1为氨基苯基或氨基烷基,R2为饱和烷基链或不饱和烷基链,所述n为正整数。本发明提供的阳离子脂质通过嵌入大体积的苯环并巧妙构建三条尾链,其被塑造成更优化的圆锥形结构。这种独特设计不仅便于脂质纳米颗粒在细胞内的内体逃逸过程,还显著提高了其内部药物的递送效率。
Resumen de: CN122979321A
本申请提出了mRNA分子及其在制备预防或治疗经典猪瘟的药物中的应用,所述mRNA分子编码第一蛋白和/或第二蛋白;所述第一蛋白选自猪瘟病毒E2蛋白的胞外区;所述第二蛋白包含所述第一蛋白自N端起第N1个至第N2个氨基酸。将本申请的mRNA分子免疫机体后,能够产生持久且高滴度的抗体,并诱导强烈的细胞免疫反应,从而有效抵御猪瘟病毒感染。并且,经一次免疫即可发挥较佳效果,这不仅减少了免疫操作的次数和工作量,降低了因多次免疫可能引发的应激反应和交叉感染风险,还提高了免疫效率,节省了时间和成本,尤其适合大规模养殖。
Resumen de: CN122973656A
本发明公开了一种用于阿尔茨海默病的时序调控一体化自复制mRNA及冻干脑靶向制剂及制备方法,属于阿尔茨海默病长效基因治疗技术领域。本发明构建一体化甲病毒自复制 mRNA,通过 nsP3 定点突变联合 srIκB 实现双重脑部抗炎;搭载电磁场时序调控盒与人源 iCasp9 自杀基因形成双层安全管控架构;采用短接头搭配差异化 2A 肽均衡多靶点蛋白翻译;设计突变 PF4、KL1、Td‑TERT 融合蛋白,同源性低于 85%,规避现有专利同时消除血栓、细胞增殖毒性。配套多靶向冻干脂质纳米粒,分静脉、鼻腔、鞘内三种剂型,常温可稳定储存 6 个月,单次给药脑内蛋白持续表达 3~6 个月。经细胞及 5×FAD 动物实验验证。
Resumen de: CN122977999A
本发明公开一种可电离阳离子脂质、脂质纳米颗粒及其制备方法与应用,涉及基因治疗与纳米药物递送技术领域。所述可电离阳离子脂质的结构式为:或者其中,R1为可电离叔胺基团,R2为饱和或不饱和烷基链。本发明的可电离阳离子脂质的结构中含有没食子酸结构和三条烷基尾链,以酯键或酰胺键连接可电离叔胺基团,其结构中含有双亚油酰链和可降解酯键,能够在肝细胞内特异性释放shRNA,通过沉默NogoB基因来抑制脂质沉积。
Nº publicación: CN122973388A 27/10/2026
Solicitante:
东华大学
Resumen de: CN122973388A
本发明涉及一种血小板膜仿生自驱动纳米机器人的制备方法及其在抗动脉粥样硬化中的应用,以聚乙二醇‑槲皮素为基础骨架,螯合铈离子构建抗氧化抗炎纳米基底,负载L‑精氨酸构筑微环境响应驱动体系,并包覆血小板膜制备仿生自驱动纳米机器人。本发明中的血小板膜仿生自驱动纳米机器人具备优异的生物稳定性与斑块靶向穿透性能,依托血小板膜的斑块靶向特性及L‑精氨酸介导的自驱动渗透能力,可有效富集并穿透动脉粥样硬化斑块致密屏障;其可通过多重机制协同调控斑块免疫微环境、清除氧化应激损伤、介导巨噬细胞表型极化、修复血管内皮损伤,实现动脉粥样硬化的高效靶向干预,在动脉粥样硬化血管疾病治疗领域具备广阔的应用前景。