Resumen de: WO2026046285A1
Provided are an mRNA comprising a nucleotide sequence encoding collagen, and a composition comprising the mRNA and a delivery vector. An mRNA molecule is introduced into a subject by means of the composition, which can be used for improving the skin condition.
Resumen de: CN121622609A
本发明公开了一种环状单链DNA递送载体及其应用,属于药物制剂技术领域,该环状单链DNA递送载体包括可电离阳离子脂质、脂质聚乙二醇缀合物、甾醇类化合物和1‑硬脂酰基‑2‑油酰基卵磷脂;以环状单链DNA递送载体中存在的总脂质的总摩尔数为1计,可电离阳离子脂质的摩尔百分比为25%‑60%,脂质聚乙二醇缀合物的摩尔百分比为1.0%‑3.5%,甾醇类化合物的摩尔百分比为20%‑50%,1‑硬脂酰基‑2‑油酰基卵磷脂的摩尔百分比为5%‑30%。该递送载体在N/P比为4‑10:1的条件下递送环状单链DNA展现出了卓越的转染效率,在基因治疗领域具有广泛的应用前景。
Resumen de: KR20260031866A
본 발명은 ITO 나노입자를 이용한 광열 요법 치료용 조성물, 이를 이용한 광열 치료용 키트 및 치료방법에 관한 것으로, 상기 광열 요법 치료용 조성물은 인듐과 주석의 전구체를 혼합하여 반응시켜 제조되는 ITO 나노입자를 포함하고, 상기 ITO 나노입자는 적외선 흡광 가능한 것을 특징으로 한다.
Resumen de: KR20260031983A
본 발명은 돌말류에서 바이오실리카를 추출하고, 약물을 지질나노입자에 담지하여 약물중합체를 제조하며,상기 약물중합체와 상기 바이오실리카를 결합하여 약물전달체를 제조하되, 상기 제조단계는 상기 지질나노입자의 표면에 키토산을 코팅하여 상기 지질나노입자 또는 상기 약물중합체를 양전하로 대전시키는 것을 포함하고, 상기 제작단계는 상기 양전하로 대전된 상기 지질나노입자 또는 상기 약물중합체를 음전하를 띄는 상기 바이오실리카에 정전기적 방식으로 결합시키는 돌말류 기반 약물전달체의 제조방법에 관한 것이다.
Resumen de: KR20260032412A
본 발명은 기존 지질 나노입자(LNP)의 한계를 극복하기 위해 개발된 나노구조 지질 담체(NLC)에 DNA 압타머(aptamer)를 융합하여 표적 지향성 약물 전달 시스템을 개발하는 기술로서, 기존 지질 기반 나노입자의 장점을 유지하면서도 약물 전달 효율과 효능을 개선 하며, 항암 물질 외에도 다양한 소수성 생리활성 물질이나 저분자 화합물을 탑재하여 이용하기 위한 발명이다.
Resumen de: KR20260031928A
본 발명은 외부 자극에 반응하여 정밀한 위치 제어가 가능하고 약물 방출을 조절할 수 있는 약물전달시스템 플랫폼에 관한 것으로서, 보다 상세하게는 4D 프린팅 기반 약물전달시스템(DDS) 플랫폼에 있어서, 생분해성 하이드로겔로 이루어진 외벽; 상기 외벽 내부에 포함된 약학적 조성물; 상기 외벽에 포함되어 외부 전자기장에 의해 위치 및 방위 제어가 가능한 자성체 나노 입자; 및 상기 외벽에 형성되어 내부의 약학적 조성물을 외부로 방출하는, 4D 소재로 구성된 모세관 구조;를 포함하는 약물전달시스템 플랫폼에 관한 것이다.
Resumen de: US2024423914A1
Compounds are provided having the following Formula (I):or a pharmaceutically acceptable salt, tautomer, or stereoisomer thereof, wherein G1, R1, R2, R3, L1, and L2 are as defined herein. Use of the compounds as a component of lipid nanoparticle formulations for delivery of a therapeutic agent, compositions comprising the compounds and methods for their use and preparation are also provided.
Resumen de: EP4582089A2
The invention provides a composition comprising a biphasic particle, the biphasic particle comprising an alginate gel encapsulating an inhibitory RNA for use in improving cardiac function in a mammal, wherein the inhibitory RNA reduces expression of a polypeptide in which reduced expression of the polypeptide improves cardiac function, thereby improving cardiac function of the mammal, wherein the polypeptide is eotaxin-3, cathepsin-S, DK -1, follistatin, ST-2, GRO-a, IL-21, NOV, transferrin, TIMP-2, TNFaRI, TNFaRII, angiostatin, CCL25, ANGPTL4, or MMP-3.
Resumen de: AU2025270991A1
The present disclosure relates to methods and compositions comprising derivatized-chitosan polyplexes reversibly coated with a polyanion-containing block co-polymer for the localized expression of IL-12 in mucosal tissues, preferably in combination with an IFN- 1 activator/inducer, for use in cancer immunotherapy. ov o v
Resumen de: JP2024042089A
To provide nanoparticle compositions comprising binding agents, carrier proteins and an amount of paclitaxel derivative, and optionally a therapeutic agent.SOLUTION: Described herein are nanoparticle compositions comprising carrier proteins and an amount of paclitaxel, and optionally binding agents and/or a therapeutic agent. The paclitaxel is present in an amount that is less than an amount that provides a therapeutic effect. Also disclosed herein are nanoparticles which contain (a) carrier protein, (b) a paclitaxel derivative having reduced toxicity compared to paclitaxel, and optionally (c) a binding agent and/or (d) a therapeutic agent. Further described are methods of making and using the same, in particular, as a cancer therapeutic.SELECTED DRAWING: Figure 1
Resumen de: CN121606078A
本发明属于食品科学与功能材料领域,涉及一种负载蓝莓花色苷的果胶纳米颗粒的制备方法及其应用,将蓝莓进行匀浆,超声提取,收集滤液,浓缩,冻干得到蓝莓花色苷粉末;将过滤得到的蓝莓残渣进行干燥、粉碎过筛,进行水解提取,滤液进行离心,加入乙醇,过滤收集蓝莓湿果胶,漂洗,干燥、粉碎形成蓝莓果胶;将蓝莓花色苷配成溶液,将蓝莓果胶配成溶液,将两种溶液混合,超声,离心、冻干、固化成型,得到负载蓝莓花色苷的果胶纳米颗粒。通过果胶包埋形成纳米颗粒,能显著提升花色苷在口腔、胃、肠等消化阶段的保留率。对DPPH、ABTS、羟基自由基的清除能力均有提升,有较强的抗氧化活性。有助于推动蓝莓花色苷在营养强化、医药等领域的应用。
Resumen de: WO2026006579A1
Compounds are provided having the following structure: (I), or a pharmaceutically acceptable salt, prodrug or stereoisomer thereof, wherein Y, Q, R, Ri, R2, m, n and o are as defined herein. Use of the compounds as a component of lipid nanoparticle formulations for delivery of a therapeutic agent, compositions comprising the compounds and methods for their use and preparation are also provided. Formula (I).
Resumen de: CN121606551A
本申请涉及一种纳米制剂及其制备方法和应用,具体涉及生物医用材料技术领域。所述纳米制剂具有核壳结构,包括核心和外壳,所述核心包括光敏剂和糖代谢抑制剂,所述外壳包括两亲性聚合物,其中,所述光敏剂为近红外二区荧光染料TTQ‑BT‑TPA,所述糖代谢抑制剂包括氯尼达明,所述两亲性聚合物包括1,2‑二硬脂酰基‑sn‑甘油‑3‑磷酸乙醇胺‑聚乙二醇2000。本申请提供的纳米制剂,以解决相关技术中传统光动力疗法因依赖氧气而在肿瘤缺氧区疗效受限、肿瘤细胞因代谢重编程维持高水平抗氧化防御系统导致对铁死亡不敏感、以及现有协同治疗体系因缺乏对肿瘤代谢的精准干预且光敏剂聚集态下荧光与活性氧产率降低而导致协同效果不佳的问题。
Resumen de: CN121606601A
本发明涉及生物医药技术领域,具体涉及一种芳胺类衍生物修饰的金纳米颗粒及其制备方法与应用。本发明提供的芳胺类衍生物修饰的金纳米颗粒能够提高非小细胞肺癌细胞内质网应激水平,还能够提高非小细胞肺癌细胞对化疗药物的敏感度,与化疗药物协同提高非小细胞肺癌细胞的死亡率。
Resumen de: CN121606598A
本发明属于生物医药技术领域,提供了一种siRNA及其应用。上述siRNA能够引起THADA基因沉默,可用于制备高脂血症、脂肪性肝病、动脉粥样硬化性心血管病等脂代谢疾病的预防或治疗药物。
Resumen de: US2025025427A1
Compounds are provided having the following Formula (I):or a pharmaceutically acceptable salt, tautomer, or stereoisomer thereof, wherein G1, G2, R1, R2, R3, L1a, L1b, and L2 are as defined herein. Use of the compounds as a component of lipid nanoparticle formulations for delivery of a therapeutic agent, compositions comprising the compounds and methods for their use and preparation are also provided.
Resumen de: WO2025006794A1
The present invention is directed to bispecific Her-2-CD3 epsilon (CD3e) antigen-binding molecules. The present invention is further directed to a method for treating Her-2-positive cancer cells by administering the bispecific Her-2-CD3e antigen-binding molecule to the tumors. This invention provides a method of antibody production in cells and inside tumors with high in vivo efficacy through intratumoral delivery of mRNA encapsulated-lipid nanoparticles, wherein the mRNA encodes the antibody.
Resumen de: CN121609641A
本发明是关于一种含氟可电离脂质化合物及其制备方法和应用、及LNP组合物,涉及医药生物技术领域,本发明采用醛类化合物、胺类化合物、羧酸类化合物和异腈化合物为原料,通过Ugi反应合成含氟可电离脂质化合物;得到的含氟可电离脂质化合物与固醇、辅助脂质和聚乙二醇脂质衍生物形成脂质纳米颗粒样组合物,该组合物可用于药物输送,包括小分子药物,mRNA、DNA等核酸药物,蛋白/多肽类药物,以及mRNA/sgRNA,Cas9/sgRNA等基因编辑复合物;通过不同给药方式实现在动物体内不同器官的mRNA表达,可满足mRNA核酸疗法、核酸疫苗以及基因编辑等的应用需求。
Resumen de: CN121606718A
本发明涉及生物医药技术领域,提供了Angiopep‑2/LK5修饰的载药外泌体靶向递送系统。该发明以人间充质干细胞外泌体为载体,通过pH梯度法和电穿孔分别装载雷帕霉素及靶向SNCA的CRISPR‑Cas9/sgRNA复合物;进而利用化学交联在表面共修饰Angiopep‑2和LK5肽,并通过超声嵌入MMP‑2响应脂质材料。实验结果显示,该系统可高效突破血脑屏障、特异性捕获α‑synuclein聚集体,并在MMP‑2高表达区精准释药,且靶向脑部为帕金森病提供了多机制协同治疗新策略。
Resumen de: CN121606705A
本发明提供了一种基于可光交联脂肪酸前药的长效药物递送系统及其制备方法与应用,属于医药材料技术领域。本发明将含可光交联共轭结构的脂肪酸片段通过响应性连接基团连接活性药物形成脂肪酸前药,由一种或多种脂肪酸前药构成制剂,并通过光照交联调控形成交联网络,得到无辅料或高前药含量的长效药物递送系统。本发明无需或极少依赖外源辅料,脂肪酸前药的载药率接近100%,可通过光交联精细调控制剂稳定性与药物释放行为,且脂肪酸片段可与活性药物产生代谢‑免疫协同治疗效应。
Resumen de: CN121606548A
本发明公开了一种肝脏靶向性尿石素A脂质体纳米颗粒及其制备方法与应用,属于生物医药与纳米制剂技术领域。该尿石素A脂质体纳米颗粒由脂质体内核、靶向头基和阿拉伯胶层组成,平均粒径在150‑200nm范围内,其中,脂质体内核由大豆磷脂酰胆碱和β‑豆甾醇形成的脂质双分子层包封尿石素A构成,靶向头基为MOTS‑c,插入脂质体内核中,阿拉伯胶层包覆在脂质体内核和靶向头基的外面。本发明的有益之处在于:(1)协同靶向与治疗;(2)双重药物高效递送;(3)卓越的稳定性与生物利用度;(4)明确的肝脏靶向性;(5)创新的制备工艺。
Resumen de: CN121606550A
本发明公开了一种负载PDRN的脐带间充质干细胞源纳米囊泡及其制备方法,属于生物医药技术领域。本发明提供的制备方法包括如下步骤:将脐带间充质干细胞悬液与PDRN溶液混合,进行冻融处理;将冻融处理后的混合液进行孵育;将孵育后的混合液采用滤膜进行多次挤压;收集挤压后的产物进行分离纯化,即得负载PDRN的脐带间充质干细胞源纳米囊泡。本发明上述制备方法显著提高了PDRN的包封率,同时避免了传统后负载技术对预成型囊泡结构的二次损伤,更好地维持了最终产物的膜完整性与生物活性,产量高,制备过程快速;并且从源头上避免了外源性杂质引入,确保了所得纳米囊泡成分的高度纯净性与生物安全性。
Resumen de: CN121606070A
本发明公开了一种基于酶法修饰的乳清蛋白微凝胶颗粒‑阿拉伯木聚糖共价复合颗粒稳定的Pickering乳液的制备方法,本发明通过谷氨酰胺转氨酶交联制备获得的乳清蛋白微凝胶颗粒,与阿拉伯木聚糖溶液混合,加入辣根过氧化物酶和过氧化氢溶液进行酶促修饰获得水相,按体积比将油相和水相进行混合,IKA均质后经超声即得到共价复合颗粒稳定的Pickering乳液;本发明制备方法简单,制备过程中不会产生有害物质,同时生产成本低,生产周期短、营养丰富、绿色无污染、经济利用价值高;本发明所获得的Pickering乳液具有高粘度,优异的贮藏稳定性和环境稳定性,为脂溶性、热敏性生物活性小分子递送体系的构建提供了有效的递送载体构建策略,拓宽了蛋白微凝胶颗粒在食品与医药等领域的应用。
Resumen de: CN121606546A
本发明涉及生物医药技术领域,具体涉及一种脾脏靶向的膜融合型递送载体及其制备方法和应用。该递送载体包含染料和脂质纳米颗粒,所述脂质纳米颗粒包含可电离阳离子脂质、辅助脂质和PEG脂质;所述染料选自CyBI7、ICG、Nile Red、IR780、IR820、ICG COOH、Nile Blue、ROX alkyne、ROX amine和BODIPY中的一种或多种。本发明的递送载体兼具脾脏靶向性和膜融合特性,显著提升了核酸药物的利用率和表达效率。
Nº publicación: CN121610015A 06/03/2026
Solicitante:
中山大学·深圳
Resumen de: CN121610015A
本发明公开了一种基于氢键自组装形成的双相凝胶材料及其制备方法与应用,所述双相凝胶材料由第一聚合物和第二聚合物基于氢键自组装形成,其中,所述第一聚合物包括支化聚合物,所述第二聚合物包括长链线性多氢键位点聚合物,所述支化聚合物包括如下物质中的至少一种:1)末端为羟基的聚醚类聚合物;2)由1)中所述聚醚类聚合物的羟基经衍生化反应得到的聚合物。通过失水凝胶表面可原位形成生物惰性膜,有效阻隔外源性细菌的侵袭。内部由于微观相分离形成骨架‑液泡结构,可大量负载细菌或细胞等。该双相凝胶材料独特的内外部结构可负载广泛且复杂的内容物并为其提供稳态,同时由于其优异的机械性能可广泛用于皮肤类疾病、植入物材料等。