Resumen de: GB2639326A
Compositions and methods for making and using engineered NK cells, T cells and B cells that express a chimeric antigen receptor.
Resumen de: WO2024108173A1
A nanoparticle and methods of using the same wherein the nanoparticle includes a prodrug comprising a targeting moiety-lipid conjugate, a polyethylene glycol-lipid conjugate, a sterol, a bulk lipid, and a drug-lipid conjugate, wherein a chemical linker group is positioned between the drug moiety and the lipid moiety of the drug-lipid conjugate. The nanoparticle can be used to treat cancer, for example, multiple myeloma.
Resumen de: MX2025005703A
Novel ionizable lipids are provided. Also provided are novel lipid nanoparticle compositions for the delivery of nucleic acid material to cells in vitro and in vivo with different and improved pharmacokinetic profiles as compared to what is typically observed in the art. Also provided are methods for using the compositions in research and as therapeutics.
Resumen de: AU2023382622A1
Lipid nanoparticles (LNPs) containing particular cationic ionizable lipids with a biologically active polynucleotides (e.g., RNAs) are provided. In some aspects, the LNP complexes are provided as aerosols and/or dry powders, such as for delivery to the lungs. Methods of making and using such compositions are provided.
Resumen de: MX2025005656A
The present invention refers to novel polyoxyalkylene based compounds and their manufacturing method as well as compositions comprising at least one novel polyoxyalkylene based compound and at least one active agent. Furthermore, the present invention refers to the manufacture of the compositions of the present invention as well as their use for the treatment of an illness in mammals or humans.
Resumen de: EP4620460A1
The present invention relates to a nanoparticle composition for drug delivery and, more specifically, to a composition for drug delivery, wherein the composition comprises an amphiphilic block copolymer and a lipid with a specific structure that can easily form complexes with anionic drugs, whereby the composition can easily form drug-containing nanoparticles and thus is useful for drug delivery, especially for targeted delivery of drugs to the lungs.
Resumen de: AU2023379457A1
The present invention provides, in part, protein-drug conjugates comprising an anti-fibroblast growth factor receptor 3 (FGFR3) (e.g., human FGFR3) antigen-binding protein (e.g., scFv, Fab) conjugated to a molecular cargo (e.g., polynucleotides, polypeptides, liposomes or lipid nanoparticles) for delivery of the molecular cargo to a targeted tissue (e.g., brain). Methods for treating various diseases or disorders, such as neurological diseases, with the conjugates are provided.
Resumen de: WO2024105116A1
The present invention relates to the field of nanostructured protein materials, more specifically to therapeutic agents carrying fusion proteins which can be used for therapy.
Resumen de: MX2025005575A
The present invention refers to novel polyoxyalkylene based compounds and their manufacturing method as well as compositions comprising at least one novel polyoxyalkylene based compound and at least one active agent. Furthermore, the present invention refers to the manufacture of the compositions of the present invention as well as their use for the treatment of an illness in mammals or humans.
Resumen de: EP4620948A1
Disclosed are a new lipid compound and a new lipid nanoparticle (LNP) composition comprising the lipid compound. The lipid compound according to the present disclosure may enhance the structural stability of an active substance by directly or indirectly binding to the active substance through multivalent interactions to encapsulate the active substance. In addition, the lipid nanoparticle composition comprising the lipid compound may significantly improve the intracellular delivery efficiency and activity of the active substance, therefore may be useful for the treatment and prevention of the disease.
Resumen de: CN120682376A
本发明提供了一种带有VNP6标签的即插即用Mi3蛋白纳米笼融合蛋白及其制备方法和应用,所述融合蛋白包括VNP6标签、SpyCatcher003组件、Mi3蛋白纳米笼和功能性蛋白序列,所述VNP6标签位于融合蛋白的N端。本发明利用VNP6肽序列或其变体,诱导大肠杆菌内部形成有利于蛋白质折叠和稳定的囊泡或类囊泡结构,从而在减轻整体细胞内分子拥挤效应的同时,提升重组蛋白的正确折叠率和活性。本发明的核心理念在于通过低温调控细胞内部结构,优化大肠杆菌表达系统内部的微环境,使得高表达负荷下的蛋白质分子可以得到更合理的空间分布,并减少因分子拥挤引起的错误折叠与聚集问题。
Resumen de: CN120682115A
本发明提供了一种氨基酸骨架可电离脂质及其制备方法与应用,所述氨基酸骨架可电离脂质是以氨基酸为核心进行修饰,有较多的的酯基和肽键,在体内有效释放RNA后可以快速被酶水解;其具有四条尾部结构,可以增加脂质尾部的横截面积,帮助RNA等药物从内涵体中逃脱,进而增强转染效果;可电离脂质的电荷在生理条件下呈电中性,减小因正电荷过多而带来的细胞毒性,进而增加脂质纳米颗粒稳定性,并有助于延长所负载的核酸药物的循环时间、改善药物动力学特征。本发明提供的可电离脂质与辅助磷脂、胆固醇和PEG脂质制成的LNP,具有更加优异的核酸载体性能,可有效递送siRNA、mRNA、pDNA等核酸药物进入细胞内发挥作用。
Resumen de: CN120678753A
本发明涉及一种基于胶原酶浸润策略的纳米药物及其在深位肿瘤化疗‑免疫协同治疗中的应用。针对肿瘤组织微环境对纳米药物的屏蔽效应导致的渗透不足、蓄积率低及传统化疗药物毒副作用大问题,本发明以牛血清白蛋白为载体,通过自组装方法共包载胶原酶和低剂量多西他赛,构建纳米颗粒药物(COL/DTX@BSA NPs)。此纳米药物具有均一球形形貌、高包封率与载药量,且胶原酶活性保持良好,生物相容性优异等特点,可实现胶原酶介导的肿瘤渗透增强、低剂量化疗‑免疫协同机制和安全性保障。并在乳腺癌模型中实现肿瘤靶向富集与深层渗透,协同增强化疗抑瘤效应与抗肿瘤免疫,显著降低系统毒性,为实体瘤的高效低毒治疗提供新策略。
Resumen de: CN120678752A
本发明公开了一种外泌体脂质体复合纳米颗粒及其制备方法和应用,属于生物医药技术领域,该外泌体脂质体复合纳米颗粒的制备方法包括以下步骤:将由神经干细胞来源的外泌体与包载玉郎伞多糖的脂质体进行膜融合,即得。该方法制备得到的复合纳米颗粒联合应用了玉郎伞多糖与神经干细胞外泌体,能够在多重机制层面发挥显著的协同治疗效应,能够显著提升治疗缺血性脑卒中的效果。
Resumen de: CN120682278A
本发明公开了一种咪唑衍生化合物及包含其的组合物和应用。具体地,本发明提供了一种如式I所示化合物或其药学上可接受的盐,该类新型咪唑衍生化合物可用于制备脂质载体,并具有以下优点中的一种或多种:例如转染效率高、包封率高、稳定性好和生物相容性良好等。
Resumen de: CN120678920A
本发明公开了一种靶向调控实体肿瘤基质‑免疫抑制微环境的仿生光热纳米马达及其制备方法和应用,属于生物医学材料技术领域,其制备方法为:将聚多巴胺纳米颗粒和K2PtCl4水溶液冷凝回流,制得不对称PDA‑Pt;制备癌症相关成纤维细胞和乳腺癌细胞融合膜并包覆于PDA‑Pt表面,制得。该纳米马达通过表面修饰的融合细胞膜实现基质细胞和肿瘤细胞的双重靶向,靶向消融CAFs调控肿瘤基质微环境,协同纳米马达H2O2响应性自驱动实现良好肿瘤渗透作用,PDA的光热效应与Pt纳米酶的类过氧化物酶活性形成温和光热‑催化协同效应,促进细胞发生免疫原性细胞死亡,最后显著改善肿瘤免疫抑制微环境,提高肿瘤免疫治疗效果。
Resumen de: CN120678717A
本发明属于生物医药技术领域,具体涉及一种HA/CS/dECM@AD水凝胶药物及其在治疗骨关节炎中的应用,该水凝胶药物由透明质酸(HA)、壳聚糖(CS)和脱细胞细胞外基质(dECM)构成的三维网络组成,其中负载有阿托伐他汀(Ato)和二十二碳五烯酸(DPA)两种活性成分。该水凝胶具有以下特点:双重缓释机制,Ato在2小时内快速释放,DPA通过PDA纳米颗粒实现7天累计释放70‑90%;生物活性诱导,hiPSCs来源的dECM保留II型胶原(COL2)、聚集蛋白聚糖(ACAN)等软骨特异性成分,促进软骨细胞增殖;长效滞留,关节腔内留存时间超过6周。动物实验显示,该水凝胶显著修复软骨缺损,抑制M1型巨噬细胞浸润,降低IL‑1β、TNF‑α等促炎因子表达。
Resumen de: CN120678915A
本发明构建了一种线粒体靶向的金属免疫药物(Mito‑chaos),用于肿瘤治疗与创伤修复。该药物的核心结构是Ca2+和Cu2+共掺杂的空心普鲁士蓝纳米颗粒(Ca/Cu‑PB)。该颗粒具有显著的近红外(NIR)光响应特性,能够响应1064nm近红外光,产生高效的光热转换效果。进一步地,通过负载TPP修饰的MitoCur于所述Ca/Cu‑PB纳米颗粒孔隙中,获得具备线粒体靶向能力的Mito‑chaos。Mito‑chaos在肿瘤酸性微环境(TME)中能够缓慢降解,释放出Ca2+和Cu2+并递送至肿瘤细胞线粒体内,诱导线粒体内离子稳态破坏,激活肿瘤细胞铜死亡通路,发挥高效的肿瘤细胞杀伤作用。同时,缓释的Ca2+和Cu2+能发挥促血管生成、促进胶原沉积及改善组织再生能力的作用,加快术后伤口愈合速度,体现出该药物良好的组织修复性能和临床应用潜力。
Resumen de: CN120678754A
本发明提供了一种超声响应型纳米铜基药物及其制备方法和应用,属于生物医药制备技术领域。本发明提供的超声响应型纳米铜基药物为核壳结构,壳层材质为聚乳酸‑羟基乙酸共聚物,核包括超声响应型液‑气相变材料和铜基药物。本发明提供的超声响应型纳米铜基药物可以在肿瘤部位富集,通过对肿瘤组织进行超声辐照,使得超声响应型液‑气相变材料发生从液态到气态的相变,聚乳酸‑羟基乙酸共聚物壳便会迅速破裂,实现针对病变部位的铜基药物的精准、高效、无损伤释放。
Resumen de: CN120678751A
本申请提供了应用生物蛋白纳米机器人运载生物制剂靶向精准免疫治疗及其制备方法,涉及免疫治疗领域,包括以下步骤:S100、配制血清白蛋白水溶液,所述血清白蛋白浓度为5‑10%w/v,溶剂为pH 7.4的磷酸盐缓冲液;S200、配制疏水性抗风湿药物有机溶液,所述药物为阿达木单抗、司库奇尤单抗、依奇珠单抗、泰它西普、托珠单抗、利妥昔单抗中的一种或者多种。本申请在用于风湿病治疗时,能够利用免疫治疗用白蛋白纳米机器人靶向药物对免疫微环境高表达iNOS和ROS的趋化效应实现有效靶向,并利用释放的抗风湿药物和一氧化氮发挥协同作用联合治疗,其中抗风湿药物可以与纳米机器人靶向过程中产生的一氧化氮(NO)共同启动体内自身的免疫循环,协同化疗药物本身起到的杀伤作用,起到联合治疗的效果。
Resumen de: CN120678750A
本发明提供一种脂质纳米颗粒,其制备方法及其应用。本公开提供的脂质纳米颗粒的制备方法操作简便,可以使mRNA骨架脱水抑制LNP中由水分引起的mRNA降解,并能降低空包率,适用于增强脂质纳米颗粒的稳定性。
Resumen de: CN120683132A
本发明公开了一种NDRVσC环状RNA疫苗及其应用,属于疫苗技术领域,本发明采用鸭甲型肝炎病毒1型(DHAV‑1)UTR与T4噬菌体I型内含子自剪接环化系统构建表达NDRVσC蛋白的环状RNA(CircRNA‑σC),并通过壳聚糖‑聚乙烯亚胺(CS‑PEI)纳米递送系统制备疫苗制剂。首次证实基于DHAV‑1UTR的环状RNA疫苗体系在禽用疫苗中的可行性,所建立的纳米递送技术与环状RNA疫苗平台具有稳定性高、安全性好、免疫原性强等特点,为NDRV及其他病毒性疫病的新型疫苗开发提供重要技术路径。
Resumen de: CN120035576A
Provided herein are lipid compounds, such as compounds of Formula (I). Also provided are lipid nanoparticles and pharmaceutical compositions, each comprising a lipid compound, such as a compound of Formula (I). # imgabs0 #
Resumen de: CN120678962A
本发明涉及耦合剂技术领域,且公开了一种医用耦合剂及其制备工艺,包括以下重量份材料:卡波姆0.8‑1份、甘油8‑10份、载药二氧化硅核壳微粒5‑7份、透明质酸钠0.2‑0.4份、乙基己基甘油0.5‑1份、聚山梨酯80 0.1‑0.3份、乙二胺四乙酸二钠0.05‑0.1份、去离子水82.5‑83.5份。本发明提供的医用耦合剂及其制备工艺,提升了医用耦合剂的凝胶透明度,改善了医用耦合剂在储存过程中的长期稳定性。
Nº publicación: CN120678948A 23/09/2025
Solicitante:
应心细胞生物科技(宁波)有限公司
Resumen de: CN120678948A
本发明涉及生物医药技术领域,具体公开了一种靶向树突状细胞的mRNA递送系统及其制备方法和应用。本发明将肿瘤抗原mRNA封装纳米脂质颗粒(LNP)并偶联特异性抗体制得mRNA递送系统,该系统通过“保护‑靶向‑激活”三重机制,显著提升免疫治疗的精准性与有效性,为临床中实现更安全、高效的抗肿瘤免疫治疗提供技术支撑。基于此,本发明还提供了一种用于治疗黑色素瘤的疫苗,该疫苗具有明显促进DC细胞的激活和成熟、激活肿瘤微环境中受试体淋巴结中的T细胞以及显著提高黑色素瘤抗原mRNA在脾脏中的表达量等作用,实现了抑制黑色素瘤的生长和提高存活期的目标。本发明适用于肿瘤疫苗的制备领域。