Resumen de: WO2025074120A1
The present invention is directed to nanoparticle compositions obtainable from the polymerisation of oligolactoglycolic acid dimethacrylates (OLGADMAs), methods for preparing said OLGADMAs, methods for preparing said nanoparticle compositions, and uses thereof. In one aspect the present invention provides a nanoparticle composition obtainable from precipitation polymerisation of one or more oligomers of formula (I), as defined herein.
Resumen de: AU2024354577A1
The present disclosure provides a method for delivery of cargo to a haematopoietic stem or progenitor cell of a subject, the method comprising contacting a lipid nanoparticle encapsulating the cargo with the haematopoietic stem or progenitor cell ex vivo or in vivo, thereby causing cellular uptake of the cargo, the lipid nanoparticle having between 30 mol% and 70 mol% of a neutral or zwitterionic amphipathic lipid having a net-neutral charge at physiological pH, an ionizable cationic lipid, and a sterol, wherein the lipid nanoparticle is substantially uncharged at physiological pH and has an apparent pKa of between 6.0 and 7.5. Further provided are lipid nanoparticle compositions and uses thereof.
Resumen de: WO2025076415A1
Artificial expression constructs including a dnSHP1, caBCL2, dnNRDP1, PCK1, cFLIP.v3, caAKT, survivin, or dnFADD transgene under the control of an inducible promoter are described. The artificial expression constructs can be used to enhance the function of a recombinant receptor-immune cell (e.g., CAR T-cell). The dnSHP1, caBCL2, dnNRDP1, PCK1, cFLIP.v3, caAKT, survivin, or dnFADD transgene disclosed herein enhances the potency of the recombinant receptor-immune cell (e.g., CAR T-cell), resulting in potentiated cell killing ability, proliferation, cytokine output, and/or maintenance of artificial expression construct positivity.
Resumen de: MX2022015132A
The present invention is inter alia directed to pharmaceutical compositions comprising at least one nucleic acid encoding at least one antigenic peptide or protein from a Coronavirus, preferably a pandemic Coronavirus, and at least one nucleic acid encoding at least one antigenic peptide or protein from a further virus, e.g. an Influenza virus or an RSV virus. Pharmaceutical compositions provided herein are suitable for use in treatment or prophylaxis of an infection with at least one Coronavirus and at least one further virus infection, and may therefore be comprised in a combination vaccine. The nucleic acid sequences of the pharmaceutical compositions and combination vaccines are preferably in association with a polymeric carrier, a polycationic protein or peptide, or a lipid nanoparticle (LNP). The invention is also directed to first and second and further medical uses of the pharmaceutical compositions and combination vaccines, and to methods of treating or preventing a Coronavirus infection and a further virus infection.
Resumen de: WO2025140501A1
An apalutamide nanoparticle and preparation method therefor relating to the field of pharmaceutical preparations. The nanoparticle comprises an active ingredient and a stabilizer. The active ingredient is amorphous apalutamide or a pharmaceutically acceptable salt thereof, and the stabilizer comprises an ionic stabilizer and a steric stabilizer. The provided nanoparticle has a stable physical form, is able to stably maintain an amorphous crystal form, has good dissolution speed and dissolution rate, possesses good stability in terms of dissolution, content, related substances, crystal form, etc., and has good bioavailability.
Resumen de: CN122537323A
本申请提供了一种氧缺陷二氧化钼基自组装靶向纳米平台及其制备方法和应用。以表面带正电荷的氧缺陷二氧化钼纳米粒子为核心层,依次在核心层的表面包覆带负电的透明质酸层、带正电的聚赖氨酸层,形成具有核‑壳结构的MoO2@HA@PLL复合物。本发明不仅是简单地赋予氧缺陷二氧化钼以靶向和成像功能,更是要针对该特定材料的独特性质,克服从现有技术中无法直接获得启示的障碍,通过创新的组装顺序构建独特的结构(MoO2@HA@PLL),并实现一种更优的、不依赖酶激活的靶向摄取机制,最终获得一种性能卓越、机制先进的新型诊疗一体化纳米平台。
Resumen de: CN119570817A
The invention relates to a multi-antigen monkey pox RNA vaccine and a preparation method thereof, and relates to the technical field of nucleic acid vaccines. The multi-antigen mRNA comprises a sequence encoding an antigenic polypeptide of the monkey pox virus or an antigenic fragment, variant or derivative thereof, the antigenic polypeptide or the antigenic fragment thereof comprising at least viral proteins of an intracellular mature virus and an extracellular envelope virus of the monkey pox virus. The invention provides a multi-antigen mRNA vaccine aiming at monkey pox viruses and a sequence, mRNA can express antigen protein in in-vitro cells, high-titer anti-monkey pox virus A29L, A33L, B6R, M1R and E8L protein IgG can be detected after a mouse is immunized, a high-titer anti-vaccinia Tian Tan strain live virus neutralizing antibody is generated, good immunogenicity is achieved, and the vaccine can be used for preparing the multi-antigen mRNA vaccine aiming at the monkey pox viruses. The important significance is realized on the prevention of the monkey pox virus.
Resumen de: CN122537557A
本发明公开了一种肿瘤微环境响应型沸石咪唑骨架‑67复合纳米递送体系及其制备方法与应用,属于肿瘤纳米药物与基因治疗技术领域。所述纳米递送体系为细胞膜包覆的 Cas9 RNP@ZIF‑67@NaCl 复合纳米颗粒,其以 NaCl 纳米颗粒为晶种原位生长 ZIF‑67 骨架,负载 Cas9 核糖核蛋白复合物后进一步包覆肿瘤细胞膜形成。所述纳米递送体系在肿瘤酸性微环境中降解释放 Co2+、NaCl 及 Cas9 RNP,其中 Co2+ 催化细胞内 H2O2 产生活性氧,实现化学动力学治疗;Cas9 RNP 靶向敲除 UXS1 基因,阻断 UDP‑木糖合成通路,从而抑制肿瘤细胞生长;NaCl 提高胞内渗透压并诱导肿瘤细胞裂解。所述纳米递送体系具有肿瘤靶向递送及微环境响应释放特性,可实现基因编辑治疗、化学动力学治疗及渗透压裂解的协同抗肿瘤作用。本发明为肿瘤协同治疗提供了一种新的纳米递送平台。
Resumen de: CN122537324A
本发明提出一种普鲁士蓝类似物纳米颗粒及其制备方法和应用,属于脑卒中领域及光催化技术领域。所述制备方法包括如下步骤:S1、采用共沉淀法,合成含有Cu、Ni、Co的具有S型异质结结构的Cu‑Ni Co PBAs纳米颗粒;S2、采用超声辅助吸附法,在Cu‑Ni Co PBAs纳米颗粒表面采用PLGA‑PEG‑CREKA修饰肽进行包裹,得Cu‑Ni Co PBAs‑C材料。本发明提出的添加生物修饰肽的普鲁士蓝类似物纳米材料(Cu‑Ni Co PBAs‑C),通过其光催化产氢,用于缺血性脑卒中的治疗,以改善传统氢气治疗方法的弊端。
Resumen de: CN122541505A
本发明涉及一种用于核酸递送的可电离脂质、脂质纳米粒组合物与应用。所述可电离脂质具有以下结构通式:。与现有技术相比,本发明制得的可电离脂质及脂质纳米粒组合物可广泛应用于核酸递送载体、基因治疗药物及mRNA疫苗的制备。
Resumen de: CN122537517A
本发明公开了一种用于治疗自身免疫性疾病的mRNA脂质纳米颗粒药物组合物,核心为编码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 1 型糖尿病、系统性红斑狼疮、原发性胆管炎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,抑制异常自身免疫反应,显著改善模型动物疾病指标,为自身免疫性疾病提供了新型靶向治疗方案。
Resumen de: CN122541487A
本发明公开了一种可离子化二茂铁衍生脂质分子及其应用。本发明脂质分子的结构式如下,其中,X1为氧原子或者氮原子;X2为碳原子或氮原子;R1和R2各自独立地选自C4‑22烷基或C4‑22烯基;R3为H、C1‑4烷基或C2‑4烯基;m+n≥1。本发明脂质分子可实现在体内靶向递送至淋巴结,递送效率高。式(I)
Resumen de: CN122537563A
本发明属于生物制药领域,涉及Acmsd mRNA‑LNP的制备与在结直肠癌治疗中的应用。本发明发现犬尿氨酸下游代谢物吡啶甲酸能显著提升CD8+ T细胞数量、增殖(Ki67)和效应功能(IFNγ、TNFα、GzmB),并增强IFNγ对结直肠癌细胞的杀伤作用。进而构建Acmsd mRNA‑LNP递送体系(脂质摩尔比50% SM‑102、10% DSPC、38.5%胆固醇、1.5% DMG‑PEG2000,包封率≥60%,粒径130‑150 nm),瘤内注射可重塑肿瘤局部犬尿氨酸代谢途径,提高吡啶甲酸含量,改善抗肿瘤免疫,并与抗PD‑1抗体联合使用显著抑制MC38荷瘤小鼠肿瘤生长。本发明为结直肠癌免疫治疗提供了新型代谢重编程策略,具有广阔临床应用价值。
Resumen de: CN122537293A
本发明涉及生物医药技术领域,公开了一种用于糖尿病性骨缺损的时序免疫代谢调控水凝胶系统及其制备方法,用于糖尿病性骨缺损修复。其以氧化海藻酸钠‑明胶‑壳聚糖为自交联基底,集成免疫调节、二甲双胍/α‑酮戊二酸代谢调控、BMP‑2成骨诱导及谷胱甘肽抗氧化模块,通过活性氧靶向响应与三阶段时序释放,纠正免疫‑代谢‑氧化应激失衡,促进骨再生。制备工艺参数明确,生物相容性优,临床适用性强,可拓展至糖尿病相关软组织缺损修复。
Resumen de: CN122537559A
本发明属于生物医药与纳米递送技术领域,具体涉及一种巨噬细胞靶向miRNA递送仿生体系及其制备方法和应用。为解决现有miRNA核酸递送体系中存在的核酸稳定性差、负载效率低、靶向性不足、生物相容性有待提高以及难以在巨噬细胞内有效富集等问题,本发明以中空介孔二氧化硅纳米颗粒作为核心递送载体,经氨基化修饰后形成氨基化中空介孔二氧化硅纳米颗粒,负载miRNA调控核酸,并以巨噬细胞来源细胞膜囊泡进行仿生包覆,形成具有核‑膜结构的巨噬细胞靶向miRNA递送仿生体系。该体系能够实现miRNA调控核酸的高效负载,并兼具良好的生物相容性、体内安全性及巨噬细胞靶向递送能力,可作为巨噬细胞靶向核酸递送平台。
Resumen de: CN122538781A
本发明公开了一种核壳结构的金包覆磁性纳米颗粒及其制备方法和应用。该纳米颗粒包括Fe3O4磁性纳米颗粒和包覆在其表面的金壳层,金壳层通过金种子介导生长形成,连续且均匀。制备方法包括:制备Fe3O4磁性纳米颗粒;对Fe3O4磁性纳米颗粒进行表面修饰;制备金种子;将金种子吸附在经表面修饰的Fe3O4磁性纳米颗粒表面;在金种子表面还原生长金壳层;经磁分离、洗涤得到产物。本发明制备的金壳层连续均匀、厚度精确可控,制备方法简便、重复性好,所得纳米颗粒化学稳定性强、磁响应性保持良好、易于表面功能化,可广泛应用于生物传感、免疫分析、磁分离、SERS检测、药物递送及癌症治疗等领域。
Resumen de: CN122537290A
本发明属于生物医药技术领域,具体公开了一种用于促进跟腱损伤修复的可溶性微针贴片。该可溶性微针贴片包括基底以及在基底表面阵列式排布的可溶性微针,其中可溶性微针内负载有核壳结构的仿生靶向颗粒,仿生靶向颗粒的外壳为跟腱肌腱细胞来源的细胞膜囊泡,其核为负载有Purmorphamine的活性氧响应性纳米粒。在跟腱损伤小鼠模型中,该微针贴片中的仿生靶向纳米颗粒能够有效富集并长效滞留于损伤部位,并在高活性氧环境中响应性释放药物,进而促进Ⅰ型胶原合成、抑制Ⅲ型胶原沉积,减轻跟腱损伤区域的异位骨化程度,最终促进跟腱损伤的修复。
Resumen de: CN122537399A
本发明提供了一种铈掺杂氧化锌复合纳米材料的制备方法,包括以下步骤:(1)将壳聚糖加入到醋酸水溶液中,得到壳聚糖溶液;(2)将醋酸锌水溶液和醋酸铈水溶液依次滴加入到壳聚糖溶液中,50℃~70℃水浴反应20~40 min;(3)调节上述反应溶液的pH为8.0~10.0,50℃~70℃水浴反应1.5~2.5 h,离心干燥后,得到所述铈掺杂氧化锌复合纳米材料。本发明还提供了所述铈掺杂氧化锌复合纳米材料作为抗菌材料的应用,本发明所获得的铈掺杂氧化锌复合纳米材料,壳聚糖均匀包覆,材料结晶度高、分散性好;兼具高效、安全与稳定,为医用抗菌材料提供了支撑。
Resumen de: CN122537391A
本发明涉及靶向药物领域,公开了用于共递送AR siRNA和RSL3的靶向纳米粒子,由内向外包括内核和外膜,外膜包裹在内核外形成核‑壳结构纳米共递送系统,其中,内核以磷酸钙纳米簇为核心,且通过核心负载有负电性的siAR;外膜为负载有疏水性RSL3的阳离子脂质体膜,且阳离子脂质体膜表面修饰有前列腺特异性膜抗原(PSMA)靶向肽。以经优化的非典型晶体结构磷酸钙纳米簇为核心,可在中性pH环境下稳定共载负电性siAR,在肿瘤弱酸性微环境中快速溶解,实现药物pH响应性智能释放;外层包裹阳离子脂质体膜,既可稳定纳米结构、赋予正电性以促进细胞摄取,还可负载疏水性RSL3;最外层通过PEG长链偶联PSMA高亲和力靶向肽,赋予纳米粒主动肿瘤靶向能力。
Resumen de: CN122537552A
本发明属于生物医药技术领域,具体涉及一种靶向超声引导射频消融诊疗纳米系统及其制备方法和应用。本发明所述靶向超声引导射频消融诊疗纳米系统为多层复合纳米气泡结构,由外至内包括靶向修饰的脂质双分子层外壳、载药内核以及核心气体。本发明所述靶向超声引导射频消融诊疗纳米系统不仅实现了高灵敏度的超声精准影像引导与主动靶向,同时,其原位氧化修饰显著增强肿瘤抗原免疫原性,激发强效的系统性抗肿瘤免疫反应以抑制射频消融术后肿瘤的转移与复发,形成一种全新的诊疗一体化系统,可以作为靶向超声造影剂使用,为肿瘤的诊断和治疗提供更为有效的途径。
Resumen de: CN122542541A
本发明属于抗癌药物领域,具体涉及抗结直肠癌的siCAD、活性纳米颗粒、药物、制备和应用,所述的抗结直肠癌的siCAD为具有SEQ ID NO.1~SEQ ID NO.3中的至少一种序列的siRNA;SEQ ID NO.1:GTATGAGGGTCTCTTCTTA;SEQ ID NO.2:GCTCTAGCGTTGAATTTGA;SEQ ID NO.3:GTGATCGACTCTACTTTGA。本发明还包括含有所述siCAD的抗结直肠癌的活性纳米颗粒。本发明研究表明,所述的siCAD可基于CAD的抑制实现结直肠癌的有效抑制和治疗。
Resumen de: CN122541324A
本发明涉及一种多羟基可电离脂质、脂质纳米粒组合物与应用。所述多羟基可电离脂质具有以下结构通式:;式中:R1选自取代或未取代的C10‑C30饱和烷基或不饱和烷基;R2选自取代或未取代的C2‑C15饱和烷基或不饱和烷基。与现有技术相比,本发明制得的多羟基可电离脂质及脂质纳米粒组合物可广泛应用于核酸递送载体、基因治疗药物及mRNA疫苗的制备。
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: WO2025032322A1
A method of generating a plurality of different surface-decorated nanoparticles, decorated with different surface decoration, comprising: forming a plurality of microdroplets in a microfluidics device, each microdroplet comprising a nanoparticle and a respectively different macromolecule encoding a different surface decoration molecule; synthesising the surface decoration molecule, within each microdroplet, based on the macromolecule encoding the surface decoration molecule; conjugating the nanoparticle and the surface decoration molecule, within each microdroplet, to form surface decorated nanoparticles.
Nº publicación: JP2026526606A 10/08/2026
Solicitante:
ビトリバックスインコーポレイテッド
Resumen de: WO2025029323A1
Embodiments of the present disclosure provide novel compositions and methods for making and using thermostable polynucleotide-containing formulations. In certain embodiments, compositions and methods are disclosed for creating thermostable polynucleotides and/or thermostable polynucleotides encoding at least one therapeutic agent for use in therapies for the treatment of health conditions in a subject. In some embodiments, compositions and methods are disclosed for creating thermostable polynucleotides for use in therapeutics, vaccines, and targeted gene therapies. In other embodiments, compositions and methods are disclosed for creating thermostable polynucleotides capable of being coated or encased for prolonged storage and/or timed-delivery.