Resumen de: CN122587206A
本申请公开了可电离聚合物、聚合物脂质杂化纳米颗粒及应用,属于生物医药技术领域。该可电离聚合物具有式(I)所述的分子结构:,其中,n为1‑50的整数。通过模块化结构设计实现在不同的pH条件下调控电荷状态,完成对核酸的高效包载与释放。同时公开的聚合物脂质杂化纳米颗粒可表现出更优的体内递送能力、组织表达效果以及局部表达能力,从而兼具多种给药场景下的应用潜力。
Resumen de: CN122582131A
本发明涉及一种共载抗生素与抗生物被膜药物或糖皮质激素或肺炎辅助治疗药物的微纳米多孔颗粒及其吸入粉雾剂和制备方法。该微纳米多孔颗粒由含抗生素的药物乳液与脂质纳米粒的水溶液通过喷雾干燥制备而成;在进行所述喷雾干燥时,所述含抗生素的药物乳液与脂质纳米粒的水溶液分别通过独立通道进料,在喷雾干燥仪的喷嘴处雾化混合干燥;所述抗生素与所述脂质纳米粒的质量比为0.3‑5:1。本发明的微纳米多孔颗粒具有优异的肺部药物递送效率以及优异的杀菌效果。
Resumen de: CN122582122A
本发明公开了微流控工程仿生外泌体纳米治疗剂及其制备方法和应用,属于生物材料技术领域。其包括脂质纳米颗粒和封装在脂质纳米颗粒中的mRNA和蛋白质;所述mRNA由hsa‑miR‑423‑5p、hsa‑miR‑10a‑5p、hsa‑miR‑25‑3p、hsa‑miR‑126‑3p组成;所述蛋白质由COL1A1、APOB、HSPA8、PKM、ALDH9A1和DPYS组成。进而利用可扩展的微流控技术,将这10种核心大分子精准封装到肝脏靶向脂纳米颗粒(LNPs)中得到LNP@mP。静脉给药后,LNP@mP特异性聚集于受损肝脏,静脉给药后,LNP@mP特异性聚集于受损肝脏。
Resumen de: CN122582204A
本发明公开了一种用于治疗乳腺炎性损伤的复方组合物及其制备方法,属于药物制剂技术领域,解决了现有治疗乳腺炎的中药复方组合物中多种活性成分稳定性差、难以实现协同起效的问题。该复方组合物由活性成分和纳米结构脂质载体组成,活性成分包含黄芩苷、绿原酸、黄芪多糖、迷迭香酸和迷迭香油,重量比为1:4‑6:20‑30:0.5‑1:20‑40,迷迭香油中含β‑石竹烯10%‑30%且兼作液态脂质,固态脂质选用单硬脂酸甘油酯或硬脂酸,载体平均粒径为50‑200nm,其中黄芪多糖和迷迭香酸负载于载体表面形成亲水性外壳,黄芩苷和绿原酸包载于脂质核心内。本发明的复方组合物可应用于制备治疗乳腺炎性损伤的药物。
Resumen de: WO2024122717A1
The present application relates to a peptide having cartilage regeneration effects, and uses thereof, and provides: a peptide comprising an amino acid sequence represented by SEQ ID NO: 1 or Arg(R)-Leu(L)-Arg(R)-Ser(S); a composition for cartilage regeneration comprising the peptide; and a pharmaceutical composition for preventing or treating cartilage diseases, comprising the composition for cartilage regeneration as an active ingredient.
Resumen de: CN122557761A
本发明属于生物医药技术领域,涉及一种靶向ACE2的酶响应型多肽偶联药物及其制备方法和应用。多肽偶联药物由地塞米松和ACE2靶向肽段通过酶响应性连接子通过共价键连接;其中,酶响应性连接子含有羧酸酯键、硫代酯键或磷酸酯键中的任意一种或几种;ACE2靶向肽段的氨基酸序列为YKYRYL。本发明提供的多肽偶联药物不仅能够形成纳米颗粒,避免迅速降解,而且能够保证与ACE2特异性结合,从而可以主动富集至ACE2高表达的炎症组织等病灶处,且富集后可以在酶作用下特异性释放活性地塞米松,在保持抗炎疗效的同时显著降低地塞米松的全身性副作用,为炎症性疾病等的精准治疗提供了一种安全、有效的通用平台。
Resumen de: WO2021167703A1
Formulated and/or co-formulated liposomes (LNP) and solid-lipid nanoparticles (SLNP) comprising TB Prodrugs and methods of making the LNPs and SLNPs are disclosed herein. The TB prodrug compositions comprise a drug moiety, a lipid moiety, and linkage unit that inhibit ALK5. The TB Prodrugs can be formulated and/or co-formulated into a liposome or solid-lipid nanoparticle to provide a method of treating cancer, immunological disorders, and other disease by utilizing a targeted drug delivery vehicle.
Resumen de: CN122557737A
本发明公开一种超声激活的铁掺杂钛酸钡基压电芬顿微球及其制备与应用方法与应用,属于生物医药技术领域。本发明以水热法制备铁掺杂钛酸钡纳米颗粒,经苯硼酸脂质包覆后,通过点击化学负载于微流控成型明胶微球得到 PF@MS。超声触发材料产生压电电位,驱动类芬顿反应消耗局部质子,适度上调线粒体膜电位以启动线粒体自噬;反应随局部 pH 升高呈类自限性减弱,防止线粒体过度损伤。纳米颗粒表面硼酸酯修饰可提升能量不足退变髓核细胞的胞内摄取,并实现溶酶体释放。本发明的铁掺杂钛酸钡基压电芬顿微球可恢复线粒体自噬水平,平衡椎间盘细胞外基质代谢,提升退变椎间盘高度保留率,适用于椎间盘退变等线粒体功能障碍类退行性疾病的治疗。
Resumen de: CN122557488A
本发明公开了一种用于无表面活性剂癌症药物递送的Pickering纳米片包裹层,属于癌症药物递送技术领域。该包裹层以经十八烷基功能化的单层磷酸锆ZrP‑C18纳米片为Pickering乳化剂,通过乳化‑扩散‑挥发法在疏水性化疗药物多西他赛DTX核心表面自组装形成致密的纳米屏障。本发明摒弃了传统的有毒分子表面活性剂和有机溶剂,ZrP‑C18纳米片通过界面拥塞效应赋予载药纳米颗粒卓越的胶体稳定性,同时实现药物的可控缓释;该包裹层可使载药颗粒被紫杉烷耐药癌细胞高效内化,绕过耐药机制,且无明显溶血效应,血液相容性优异。本发明为疏水性癌症化疗药物的无表面活性剂递送提供了新方案,适用于卵巢癌、乳腺癌等多种癌症的治疗,具有良好的临床转化前景。
Resumen de: WO2025157076A1
The present disclosure relates to liposome nanoparticle (LNP) compositions comprising a therapeutical cargo (e.g., a viral vector such as a rAAV vector). The LNP can shield the surface antigen of the cargo and reduce the clearance of the cargo by the immune system. It also relates to the use of immunosuppressants to suppress the immune response in the body and further reduce the clearance of the cargo by the immune system.
Resumen de: AU2024419247A1
The present invention relates to a surface-modified albumin nano-platform, a method for preparing same, and a composition for diagnosing or treating a disease using same. The surface-modified albumin nano-platform according to the present invention can reduce ingestion by the reticuloendothelial system even when an excess amount of click-functional groups and various delivery substances are conjugated to albumin, by inactivating a click reaction functional group to which a delivery substance on the surface of albumin is not bound, so that the in vivo half-life is greatly increased, and a target molecule or an active substance can be effectively delivered to a target tissue or cell, leading to excellent therapeutic and diagnostic effects.
Resumen de: WO2025150516A1
The present invention provides a frozen composition containing nucleic acid-encapsulated lipid nanoparticles, wherein the nucleic acid-encapsulated lipid nanoparticles contain an ionic lipid represented by formula (1), and the molar ratio of amino groups of the ionic lipid represented by formula (1) to nucleic acid phosphate groups is 7-250 inclusive (the definitions of the symbols in formula (1) are as described in the description).
Resumen de: WO2025143892A1
The present invention relates to a composition for drug delivery, and a preparation method therefor, and, more specifically, to a composition for drug delivery, and a preparation method therefor, the composition having a form such that a drug is encapsulated inside a nanoparticle structure formed by a polymer and a cationic lipid with a specific structure.
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: US2025177562A1
0000 Provided are aerosolized pharmaceutical compositions including comprising aerosol particles, the aerosol particles comprising lipid nanoparticles (LNPs). Also provided herein are methods of administering the aerosolized pharmaceutical compositions described herein.
Resumen de: EP4556028A1
0001 The present invention relates to functionalized nano- or microparticles of suitable size and shape, comprising a nano- or microparticle and at least one virus-binding peptide and/or virus-binding small molecule immobilized onto the surface of the nano- or microparticle. These nano- or microparticle forms aggregates with targeted viral particles to initiate phagocytosis, thereby achieving viral clearance. The present invention further relates to uses of the functionalized nano- or microparticles in virus detection, therapy and diagnosis.
Resumen de: WO2025096878A1
This disclosure provides improved RNA molecules, including mRNA molecules that can be produced by in vitro transcription and are suitable for in vivo transfection using an appropriate delivery vehicle, such as a lipid nanoparticle (LNP) or targeted lipid nanoparticle (tLNP). The improved RNA include particular combinations of 5' untranslated region (UTR) and 3' UTR, particular 3' UTRs, or particular open reading frame sequences. Also provided herein are compositions of the LNP, or tLNP with an antibody as a targeting moiety, such as anti-CD8 antibodies that are used as targeting moiety.
Resumen de: CN122557486A
本发明公开了一种负载PROTAC的仿生神经靶向植物外泌体及其制备与应用,属于生物医药技术领域。该纳米药物以植物来源外泌体为核心载体,内载PROTAC分子并天然携带内源性活性分子,在此基础上通过细胞膜仿生包被及pH响应性溶酶体逃逸聚合物修饰构建工程化外泌体递送系统。该系统经鼻腔给药后,能够依次克服鼻黏膜屏障,实现脑部病灶区域的富集,并在细胞内高效释放治疗载荷。本发明通过PROTAC对病理相关蛋白的选择性降解作用,结合植物外泌体内源性活性分子对细胞代谢与线粒体功能相关通路的调控作用,实现对神经元蛋白稳态与代谢稳态的协同调节,从而对神经退行性疾病的病理过程进行多靶点、多层级干预。
Resumen de: CN122562961A
本发明公开了一种溶酶体靶向蛋白降解嵌合体CytoTAC及其应用。所述CytoTAC由三个功能性蛋白结构域组成,包括:靶向溶酶体结构域、靶向靶蛋白结构域以及Linker。CytoTAC在靶蛋白降解率高达约80%,并具备多靶点设计的灵活性。通过串联设计,CytoTAC能够同时降解2‑3种靶蛋白。在应用方面,CytoTAC展示了针对包括肿瘤和阿尔茨海默症等疾病的显著治疗潜力。本发明创新性地结合了高特异性、快速降解和模块化设计,突破了传统蛋白降解技术的局限。CytoTAC在细胞靶向治疗、疾病机制研究及遗传工程等领域具有重要的应用价值,为疾病治疗提供了全新的技术解决方案。
Resumen de: CN122557719A
本发明公开了一种用于治疗白桦树花粉症、多发性硬化症、干燥综合征的mRNA脂质纳米颗粒药物组合物,核心为编码过敏性疾病或自身免疫性疾病相关抗原表位的功能化 mRNA。所述 mRNA 的编码区包含经筛选与验证的白桦树花粉症、多发性硬化症、干燥综合征相关特异性抗原表位编码序列,可通过柔性连接子串联多表位组合;同时 mRNA 搭载优化的 5’UTR、3’UTR、5’帽结构与 polyA 尾,经密码子优化及核苷酸修饰后,兼具高稳定性与高效翻译表达能力。所述 mRNA 由靶向肝窦内皮细胞的脂质纳米颗粒包载递送,可高效诱导抗原特异性免疫耐受,显著改善模型动物疾病指标,为白桦树花粉症、多发性硬化症、干燥综合征提供了新型靶向治疗方案。
Resumen de: CN122557594A
本发明公开了一种FeN‑T纳米酶复合材料及其制备方法和应用,属于药物制剂技术领域。所述FeN‑T纳米酶复合材料由铁基纳米酶、他克莫司和聚乳酸‑羟基乙酸共聚物组成。本发明将铁基纳米酶(FeN)与抗炎药物他克莫司(TAC)通过PLGA包裹进行复合制备得到纳米酶复合材料(FeN‑T)。经实验验证,FeN‑T可促进细胞迁移,在有效治疗浓度下几乎无细胞毒性;且能够提高H2O2的抑菌率;同时,FeN‑T与H2O2联用治疗在9天内的创面愈合率能够达到95%,显著优于单一治疗。因此,本发明提供了一种兼具高效抗菌、良好生物相容性及抗炎促修复功能的多功能复合材料。
Resumen de: CN122557493A
本发明公开了一种基于植物细胞外囊泡的药物组合物及其制备方法与应用,属于生物医药技术领域,包括植物来源细胞外囊泡和载药脂质体;所述植物来源细胞外囊泡包括蛋白质;所述载药脂质体为负载有小分子药物的脂质体;所述蛋白质和脂质体的质量比为(1:10)‑(10:1)。本发明使用了物理共挤出法作为灵活简便的杂化工艺,无需复杂的化学修饰,制备方法简单可控,可在保持各组分生物活性的前提下获得粒径均一、结构稳定的杂化纳米粒,易于放大生产,显著降低了规模化制备的成本。并且,本发明提供的药物组合物在4T1原位乳腺癌模型表现出显著的抑瘤效果,具有良好的临床应用前景。
Resumen de: CN122557485A
本发明公开一种Z@C@M2纳米材料及其制备方法和应用,属于纳米生物材料技术领域。制备时先通过室温水溶液反应制备CuS纳米颗粒与Z@C催化核心,再经差速离心提取M2巨噬细胞膜,随后通过脉冲超声与低温孵育实现Z@C表面细胞膜包覆,冻干后得到目标材料。该材料以M2巨噬细胞膜为外壳,以CuS纳米颗粒与ZIF‑8复合形成的结构为催化核心;借助ZIF‑8的空间限域作用优化CuS催化性能、实现对活性氧的高效清除,通过生物膜包覆赋予材料良好的生物相容性与靶向性,同时降低其免疫原性,提升材料体内应用安全性与治疗潜力;该材料可用于制备治疗骨质疏松的药物,为骨代谢相关疾病的治疗提供了一种新型功能性纳米材料。
Resumen de: CN122562720A
本发明名称为一种T细胞靶向的可电离脂质、脂质纳米颗粒及其制备方法、应用,属于核酸递送与细胞免疫治疗技术领域。所要解决的技术问题为解决传统CAR T疗法依赖体外细胞操作、制备流程复杂及成本高昂的缺陷,同时克服现有脂质纳米颗粒主要富集于肝脏、难以靶向T细胞,以及T细胞内吞弱、核酸递送效率低的问题,提供了一种靶向T细胞的可电离脂质。技术方案要点为构建具有脾脏靶向特性的可电离脂质纳米颗粒,实现对 T 细胞的高效靶向递送与体内重编程,避免体外细胞操作,简化治疗流程,显著提升 CAR mRNA在T细胞内的表达效率,增强免疫治疗效果。
Nº publicación: CN122563842A 14/08/2026
Solicitante:
广州杏林一号生物科技有限公司
Resumen de: CN122563842A
本发明公开了一种靶向卵巢颗粒细胞的工程菌外膜囊泡及其制备方法与应用。所述工程菌外膜囊泡源自经基因工程改造的细菌,其内部装载有端粒DNA片段和抗氧化剂,其表面展示有靶向卵巢颗粒细胞的导航分子。本发明的工程菌外膜囊泡能精准地将延缓衰老的端粒DNA和清除活性氧的抗氧化剂递送至卵巢颗粒细胞,通过“修复”与“防护”双重机制,有效改善卵巢功能,为卵巢早衰的治疗提供了全新的、更安全的策略。