Resumen de: WO2025052296A1
The present invention belongs to the field of biomedicine and drug delivery as well as pest and vector controls. The invention relates to a novel ionizable cationic lipid family incorporating silicon, which belongs to the trademark LipexSil® second generation lipids, wherein the tail is connected to the headgroup with biodegradable silyl acetal linker. Lipids containing silyl acetal linker(s) are state-of-the-art and are effective as ionizable cationic lipids in the formulation of empty or loaded lipid nanoparticles (LNPs). The novel linkers according to the invention are designed by means of proprietary borane catalysts WO2022129966. The invention describes the synthesis of the lipids of formula (I), formation and characterization of nanoparticles and biological experiments demonstrating that the lipid nanoparticles prepared with these novel lipids can efficiently deliver their cargo (e.g. RNA, DNA, mRNA, siRNA, dsRNA, pDNA, micro RNA, circular DNA, small biologically active molecules) into the cells.
Resumen de: WO2024148364A1
Embodiments of the invention include methods of treating conditions that are ameliorated by stimulating an immune response. In aspects, the methods include injection of mesoporous silica rods (MSRs) at or near an affected tissue. The MSRs can include a cytokine (e.g., IL-2 or IL-12) and/or an adjuvant. The MSRs can induce an innate immune response to treat cancer, infection and other ailments. The methods can include administering an additional medicament such as an immune checkpoint inhibitor.
Resumen de: EP4647421A1
The present invention provides a compound, which is a compound represented by formula (I) or a stereoisomer, tautomer, solvate, or pharmaceutically acceptable salt thereof represented by formula (I):X1, X2, and X3 are each independently a C1-C15 alkyl group optionally substituted; R1 and R2 are each independently a C1-C40 alkyl group optionally substituted, a C1-C40 heteroalkyl group optionally substituted, a C2-C40 alkenyl group optionally substituted, a C2-C40 heteroalkenyl group optionally substituted, a C2-C40 alkynyl group optionally substituted, or a C2-C40 heteroalkynyl group optionally substituted; R3, R4, R5, and R6 are each independently H, halogen, or a C1-C3 alkyl group optionally substituted; the substituent group is independently selected from halogen, -OH, -SH, -NH2, -NO2, cyano, or C1-C3 alkyl. This compound has the advantages of low cytotoxicity, strong delivery capability, and good immunostimulatory effect.
Resumen de: MX2025004540A
The present disclosure provides for a nucleic acids encoding for a transforming growth factor inhibitor and IL-12. Further provided herein are nucleic acids encoding for chemokine receptor CXCR3. Additionally described herein are oncolytic viruses comprising the nucleic acids described herein. Compositions described herein are further described for use in the treatment of cancer.
Resumen de: US2025333728A1
The present disclosure relates to a UTR molecule and use thereof. Specifically, the present disclosure relates to an mRNA molecule comprising 5′ UTR and 3′ UTR. The UTR molecule can significantly increase mRNA expression level.
Resumen de: CN120548193A
The present disclosure relates to RNA molecules having multivalent capabilities against a variety of viral strains or antigens and methods of making the same.
Resumen de: NZ819515A
The present disclosure relates to a copolymer and a polymersome for targeted delivery of biomolecules to a living organism. The exemplary copolymer comprises an initiator block, a propagator block, and a linkage connecting the initiator block and the propagator block. The initiator block comprises a glycan head configured to provide a targeted delivery, and the propagator block comprises a functional moiety selected from a guanidine group, zwitterion group, a diethylene triamine, or a combination thereof; configured to provide desired properties for the polymersome. Exemplary initiator blocks are shown in the abstract drawing.
Resumen de: CN120919076A
本发明提供了一种红色抗菌纳米硒的制备方法,将羧甲基纤维素粉末与高碘酸盐溶液混合,进行羧甲基纤维素的氧化反应,获得氧化改性羧甲基纤维素粉末,再将氧化改性羧甲基纤维素粉末与多胺基聚合物溶液进行接枝反应,得到阳离子型胺基化改性羧甲基纤维素,然后将硒酸根物质溶解于去离子水中,待完全溶解后添加所得阳离子型胺基化改性羧甲基纤维素,加热搅拌,生成红砖色沉淀,最后离心干燥后得到所述纳米硒粒子。该方法解决了纳米硒粒子容易团聚的问题,制备的纳米硒粒子具有很高的生物活性和生物利用率,并且无额外还原剂使用。
Resumen de: CN120923794A
本发明涉及一种含铂聚合物及其在制备成像或抗肿瘤产品方面的用途,所述含铂聚合物由双羟基四价铂药、式I所示的光敏剂单体通过酸酐或二异氰酸酯进行缩合,然后由一端含有氨基或羟基的聚乙二醇封端得到。本发明通过轴向修饰Pt(Ⅳ)类药物的策略,将NIR‑II荧光单体BODTPE引入到聚合物链中,使含铂聚合物同时具有优良的肿瘤检测成像、靶向和杀伤作用。
Resumen de: CN120919153A
本发明公开了一种治疗良性前列腺增生的siRNA制剂,属于生物制药技术领域。通过分析人和大鼠SRD5A2的mRNA序列,设计出两种用于沉默SRD5A2蛋白表达的siRNA序列,并合成。两种siRNA经脂质体转染人正常前列腺基质永生化细胞,siRNA‑1和siRNA‑2均能达到较好的SRD5A2基因沉默效果。对丙酸睾酮诱导的良性前列腺增生模型大鼠静脉注射两种siRNA‑脂质体复合物,siRNA‑1和siRNA‑2在大鼠体内均能有效沉默SRD5A2表达。前列腺增生模型大鼠经两种siRNA治疗后,血清中二氢睾酮DHT含量比未治疗的模型组显著降低,前列腺指数也显著减小。
Resumen de: CN120919253A
本发明公开了一种表皮葡萄球菌囊泡和姜黄衍生外泌体样囊泡的融合膜及其制备方法和应用。本发明将表皮葡萄球菌囊泡和姜黄衍生外泌体样囊泡融合,得到HMVs,通过体外实验验证其抗菌效果,然后装载于透明质酸微针中,该HMVs MNs纳米体系可通过按压于痤疮皮损处局部给药,Balb/c小鼠体内实验证明其具有较显著的抗菌、抗炎的疗效。因此HMVs MNs具有较好的治疗痤疮的应用潜能。
Resumen de: CN120919072A
本发明公开了一种鹿茸干细胞条件培养基仿生纳米颗粒制剂的制备方法,包括以下步骤:S1、鹿茸干细胞的分离培养,并制得P3细胞,采用P3细胞制备鹿茸干细胞条件培养基ABPCs‑CM以备用;S2、采用S1所得鹿茸干细胞条件培养基ABPCs‑CM合成鹿茸干细胞条件培养基纳米颗粒CM‑NPS;S3、制备中性粒细胞膜;S4、将S2所得的鹿茸干细胞条件培养基纳米颗粒CM‑NPS与S3所得的中性粒细胞膜合成鹿茸干细胞条件培养基仿生纳米颗粒制剂,本发明中性粒细胞膜仿生结构,显著提高炎症部位靶向效率。
Resumen de: CN120919074A
本发明公开了一种蛋黄‑蛋壳结构Bi2S3@C/Fe3O4纳米颗粒及其制备方法和应用,涉及纳米材料技术领域,所述纳米颗粒包括碳壳层和核心层,碳壳层和核心层之间通过中空层连接,所述碳壳层的材料为酚醛树脂碳,所述碳壳层中均匀分布超顺磁性Fe3O4纳米颗粒,所述核心层的材料为Bi2S3纳米颗粒,所述核心层的直径为40~60nm,所述碳壳层的厚度为5~25nm;本发明的纳米颗粒在有效浓度下能够到达肿瘤部位并实现最佳治疗效果,且能在外部磁场引导下优先聚集于颅内肿瘤处。本发明的纳米颗粒材料合成工艺易于实现、生物安全性高,3D打印磁性头盔的应用可扩展至人体其他部位,为胶质瘤的精准治疗提供可产业化的解决方案。
Resumen de: CN120919314A
本发明属于有机‑无机杂化纳米材料制备技术领域,具体涉及一种稀土复合纳米材料及其制备方法和应用。通过配体交换在Na基稀土纳米颗粒表面同时修饰两种光敏剂二氢卟吩e6与孟加拉玫瑰红,实现高效的光动力学治疗效果。本发明合成了核‑壳‑壳结构Na基稀土纳米颗粒,在1550 nm激光激发下具有较强的红、绿光发射。1550 nm激光在生物组织中的光散射极小,能够提高激光的穿透深度和聚焦能力,有望实现深度组织的光动力学治疗。在纳米粒子表面通过配体交换反应直接修饰光敏剂二氢卟吩e6与孟加拉玫瑰红,相对于两亲性表面活性剂包裹或通过二氧化硅负载的方法,能够显著提高稀土离子与光敏剂之间的能量传递效率,提高光动力效果。
Resumen de: CN120919075A
本申请属于肿瘤防治技术领域,具体涉及一种能够同时抑制成纤维细胞激活和血管新生的纳米药物。所述同时抑制成纤维细胞激活和血管新生的纳米药物为负载修饰改造后的松弛素类似物多肽B7‑33的仿生纳米载体SNPs。本申请所采用的双功能仿生纳米药物B7‑33‑SNPs,能够靶向递送至肿瘤组织,同时抑制成纤维细胞激活介导的细胞外基质以及血管新生,同时也抑制了成纤维细胞激活介导的血管新生。这些结果可为胆管癌的针对性防治奠定良好的技术基础,同时也为其他疾病的防治提供了新的技术思路。
Resumen de: CN120919311A
本发明涉及一种治疗肿瘤的药物,具体涉及一种肿瘤细胞膜与TKI共同修饰的声敏纳米材料及其制备方法和在治疗肿瘤药物中的应用,目的是解决现有甲状腺癌的治疗方法中,单用TKI副作用大,或是SDT中声敏材料生物利用度低和肿瘤部位聚集性差,最终导致疗效不足的问题。本发明材料包括TKI、声敏纳米材料本体和肿瘤细胞膜;声敏纳米材料本体为镂空结构;其中一部分TKI包埋在声敏纳米材料内部的孔隙中,另一部分TKI吸附在声敏纳米材料本体的外表面上;肿瘤细胞膜包覆在声敏纳米材料本体的外表面上。制备方法包括:制备FeTBP、制备负载TKI的FeTBP、制备肿瘤细胞膜与TKI共同修饰的材料FL@M。本发明还提供了该材料在治疗肿瘤药物中的应用。本发明提高了甲状腺肿瘤的疗效。
Resumen de: CN120919272A
本发明提出了一种用于提高水产养殖动物的免疫力制剂及其制备方法,其中,制备方法的步骤包括将将植源免疫基材粉碎后加入去离子水混合,在进行回流萃取,得到滤液,将滤液进行进行减压浓缩至相对密度为1~1.2,再对滤液进行高温喷雾干燥,得到复合粉末;在β‑葡聚糖溶液中加入乳化剂,进行搅拌混合,得到乳状悬浮体,先进行高温喷雾干燥,再进行真空冷冻干燥,直至水分降至2%以下,得到浓缩粉末;将复合粉末、浓缩粉末以及营养组分按预设质量比进行搅拌混合,喷涂阳离子包衣液,再转入交联液中进行交联固化,形成释放层,热风干燥后得到用于提高水产养殖动物的免疫力制剂。从而真正活性物质随功能制剂被摄入,在体内分阶段释放的目标。
Resumen de: US2024148914A1
The invention provides nanodroplets labeled with targeting ligands that are useful in the detection and treatment of vascular thromboses (e.g., fibrin clots) and vascular plaques, or related diseases and conditions, as well as methods of preparation and use thereof.
Resumen de: CN120923793A
本发明公开了一种多边形的蒽功能化BODIPY超分子金属环化合物及其制备方法和应用,属于超分子材料技术领域,多边形的蒽功能化BODIPY超分子金属环化合物通过特定结构的蒽功能化BODIPY光敏剂和铂化合物自组装反应后得到,通过选用不同配位夹角的铂化合物,分别制备得到了三角形、四边形以及六边形超分子金属环化合物。进一步用两亲性高分子F127将超分子金属环化合物包裹形成水溶性纳米粒子,可以实现对乏氧肿瘤的光治疗与化疗联合治疗,在生物成像和肿瘤治疗方面具有广泛的应用前景。
Resumen de: CN120923406A
本发明公开了一种氨基甲酸酯类化合物及其构建的脂质纳米颗粒、药物组合物和用途。由该系列阳离子氨基脂质化合物(式I)所构建的脂质纳米颗粒载体,在保证高效、低毒的前提下,能够将mRNA靶向递送至脾脏,从而有效激发免疫反应,显著提升疗效,在癌症治疗中具有重要的临床应用意义。
Resumen de: CN120919077A
本发明涉及生物医药技术领域,具体涉及一种治疗胃肠道肿瘤的自递送纳米药物及其制备方法,包括以下步骤:取VER、NLG919和TPGS,溶于DMF中,随后加入去离子水,搅拌,之后离心去除大颗粒,最后透析过夜去除游离药物及有机溶剂,即得纳米药物。本发明通过诱导免疫原性死亡阻断IDO增敏PD‑L1单抗治疗胃癌的自递送纳米药物,利用维生素E聚乙二醇琥珀酸酯(TPGS)作为稳定剂,掺入光敏剂Verteporfin(VER)和IDO抑制剂NLG919,自组装构建纳米药物(VN NPs)能够显著抑制胃肠道肿瘤的生长和转移,重塑肿瘤微环境,提高免疫治疗的疗效,将为胃肠道肿瘤的临床治疗提供新的理论依据和方法,具有重要的科学意义和广阔的应用前景。
Resumen de: CN120535478A
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 the formula. # imgabs0 #
Resumen de: JP2025020204A
To provide novel therapeutic compositions for systemic administration (e.g., oral administration) and long-term release of terpenoids and cannabinoids, and methods of making and using the therapeutic compositions.SOLUTION: The present invention provides a terpenoid-encapsulating PLGA nanoparticle, comprising a PLGA nanoparticle composed of copolymer poly(lactic-co-glycolic acid) and a first terpenoid encapsulated in the PLGA nanoparticle. The nanoparticle further encapsulates a second compound composed of (i) a cannabinoid or (ii) a second terpenoid other than the first terpenoid.SELECTED DRAWING: None
Resumen de: CN120924603A
本申请涉及生物医药技术领域,具体公开了一种蛋白N‑肉豆蔻酰化诱导的小细胞外囊泡装载系统(PMEVL平台)及其应用,本申请的PMEVL平台具有很强的特异性,有效性及广泛适用性;本申请明确了PMEVL平台可高效装载外源性化学合成的miRNAs或siRNAs,同时,也证明PMEVL平台有助于将内源合成的miRNAs或siRNAs,高效和特异的装载到小细胞外囊泡(sEVs),并且依赖于N‑肉豆蔻酰基修饰发挥的作用;经过实验可知,PMEVL平台可装载不同siRNAs,或者同时将多个不同siRNAs装载到sEVs,从而在细胞间通讯和药物递送等领域展现出巨大的应用前景。
Nº publicación: CN120919071A 11/11/2025
Solicitante:
成都医学院第一附属医院
Resumen de: CN120919071A
本发明公开了一种用于逆转肿瘤耐药的载药纳米复合材料,涉及医药化学应用技术领域;该载药纳米复合材料包括纳米级载体组分和铁死亡促进剂;纳米级载体组分为金、银、铂、钯、锡、钽、镱、锆、铪、铽、铥、铈、镝、铒、铕、钬、铁、镧、钕、镨和镥的纳米材料/复合纳米材料中的至少一种;铁死亡促进剂为靶向胱氨酸/谷氨酸反向转运体、靶向GSH、靶向GPX4、靶向溶酶体激活铁离子和靶向ROS中的至少一种。本发明的载药纳米复合材料Fe3O4@SAS在不损害正常细胞前提下,有效地诱导并促发耐药胃癌肿瘤细胞的铁死亡,达到逆转胃癌肿瘤细胞耐药的目的,为目前肿瘤细胞耐药治疗提供新的思路。