Resumen de: AU2024283556A1
The present invention addresses the problem of providing a technology for improving poor water solubility of a compound of general formula (1), and suppressing excessive release of cytokines and myelotoxicity of the compound of general formula (1). The present invention solves the problem by a complex comprising: a modified polysaccharide containing a hydrophobic group; and a compound represented by general formula (1).
Resumen de: CN121059565A
本申请公开一种纳米硒复合粒子及其制备方法和应用。所述纳米硒复合粒子包括纳米硒的内核以及包裹所述内核的壳层,所述壳层的材料为壳寡糖,所述纳米硒的粒径为15~95nm,所述纳米硒复合粒子的粒径为20~100nm。本申请制备的纳米硒复合粒子具有稳定性和分散性好、自由基清除活性高、血液相容性佳、细胞毒性极低等优势,应用潜力大。
Resumen de: CN121059510A
本发明提供了一种负载胶原靶向脂质体的硒纳米颗粒水凝胶及其制备方法与应用,属于生物医药技术领域。本发明首先合成了包封H‑151的脂质体,并在脂质体表面修饰一型胶原特异性结合肽(LHERHLNNN),使得负载H‑151的脂质体具有肌腱靶向性,能够在年轻TDSCs周围大量蓄积,增强给药效率。另一方面,本发明以接枝苯硼酸的透明质酸为封盖剂合成硒纳米颗粒(HPSe),再将硒纳米颗粒与聚乙烯醇反应成胶(PVA/HASe),兼具ROS响应性和可注射性,同时负载包封H‑151的TDSCs靶向性脂质体,形成水凝胶复合体系。本发明的水凝胶复合体系通过抗衰老、抗炎、免疫调控协同作用,达到了维持衰老肌腱的内稳态,最终促进了肌腱病的修复,为衰老肌腱病的修复提供了一种有效的治疗策略。
Resumen de: WO2025155087A1
The present invention relates to a microfluidic device for preparing lipid nanoparticles that can deliver nucleic acids, and a lipid nanoparticle preparation method using same. By using the microfluidic device, lipid nanoparticles of a desired size can be prepared by adjusting the molar ratio between compositions and the Reynolds number.
Resumen de: CN121059629A
本申请涉及药物制备技术领域,尤其涉及一种microRNA244‑5P抑制剂在制备治疗脓毒症心肌病的产品中的应用。其中,microRNA 244‑5P抑制剂在制备治疗脓毒症心肌病的产品中的应用,microRNA 244‑5P抑制剂的序列如Seq.ID No.1所示。提供的microRNA 244‑5P抑制剂,为靶向治疗脓毒症心肌病奠定了精准基础。该抑制剂能特异性识别并作用于相关靶点,精准干预脓毒症心肌病的病理进程,具有更稳定的结构和活性,可确保在制备治疗产品时,能持续、高效地发挥抑制作用,为后续产品的研发、生产和质量控制提供了明确的物质基础和技术依据,极大提高了治疗的针对性和有效性。
Resumen de: CN121059566A
本发明提供了一种HA包被高多不饱和脂肪酸蛋黄磷脂‑木犀草素脂质体复合物,所述复合物以高多不饱和脂肪酸蛋黄磷脂为基质形成脂质体,木犀草素封装于该脂质体的疏水核心中,同时,在所述脂质体的表面以透明质酸HA为包被层,显著提升了木犀草素的包封率(EE)和脂质体的稳定性。实验表明,当HA浓度为1.00mg/mL时,EE达91.32±0.66%,较未包被脂质体(63.62±1.23%)显著提高。HA涂层通过填充脂质体间隙、增强静电排斥及抑制脂质氧化,有效减少木犀草素泄漏,延缓储存过程中的粒径增长(4℃下28天仍保持均匀分散),并改善缓释性能(胃肠阶段释放率较未包被脂质体降低20%以上)。此外,HA涂层显著降低脂质氧化水平,适用于口服递送系统及抗氧化功能产品开发。
Resumen de: WO2024223549A1
The present invention concerns a method for the production, purification, and stabilization of plant-derived nanovesicles. It also concerns a composition containing the nanovesicles obtained by this method for hypocholesterolemic, hypoglycemic, hypolipidemic, anti-ageing, and antioxidant use.
Resumen de: CN121059501A
本发明涉及医用材料技术领域,具体公开了一种可缓释药物的水凝胶微针护理敷料及其制备方法。一种可缓释药物的水凝胶微针护理敷料,包括水凝胶基底,规则附着在水凝胶基底面向皮肤一侧的微针,以及附着在水凝胶基底背向皮肤一侧的透气膜层,微针阵列的针尖区域填充有靶向缓释载药纳米粉末。该靶向缓释载药纳米粉末可实现病灶微环境响应的按需给药,同时形成基础缓释平台,清除病灶部位过量的活性氧,保护药物活性,从而延长药物释放时间,提高抑菌效率。
Resumen de: CN121064279A
本发明公开了一种抗肝癌HLA‑A*11型疫苗及其制备方法和应用。本发明mRNA疫苗包含序列由SEQ ID NO:32所示的DNA转录的mRNA;本发明首先通过筛选得到序列如SEQ ID NO:1~14所示的新抗原靶点,将其改造后的氨基酸序列用于构建mRNA,再利用微流控技术制备mRNA‑脂质纳米颗粒,将疫苗药效成分包裹于脂质纳米颗粒中,有助于将病毒蛋白转运到细胞中,并保护其免受破坏性酶的侵害。本发明提供的mRNA肿瘤疫苗,是一种包含肿瘤可变剪接的超大范围广谱抗原,并且其是严格按照患者HLA‑A*11:01分型(包含其他HLA‑A*11分型)设计的高覆盖度、高免疫原性肿瘤新生抗原的mRNA疫苗。
Resumen de: WO2024201468A1
Methods, kits and material composition for use in correction of eye condition are disclosed. This includes a selected three-dimensional patterning on the surface of a cornea of a user. The pattern is selected to provide an optical effect in accordance with a predetermined vision impediment of the user. A dispersion, in the form of a liquid (aqueous solution) comprising nanoparticles, is applied onto said selected three- dimensional pattern such that the nanoparticles are dispersed in incision regions of the pattern. The nanoparticles comprise biocompatible protein based nanoparticles. The dispersion may be used as eye drops thereby allowing the nanoparticles to occupy the etching regions on the cornea, thereby functionalizing and maintaining the visual correction effect of eye condition by said pattern. The present disclosure further provides a method and a kit for ablating the corneal tissue in a selected pattern by using a visual spectrum illumination.
Resumen de: CN121059567A
本发明属于生物医药领域,具体涉及一种脂质纳米颗粒及其应用、药物递送载体。该脂质纳米颗粒包括可电离脂质、胆固醇、磷脂、聚乙二醇化脂质、固醇替代物,其特征在于:所述可电离脂质为Lipid 5,所述磷脂为DSPC,所述聚乙二醇化脂质为18:0 mPEG2000 PE,所述固醇替代物为β‑谷甾醇、豆甾醇或豆甾烷醇或其衍生物中的一种或多种;可电离脂质:胆固醇:磷脂:聚乙二醇化脂质:固醇替代物的摩尔比为40‑60:5‑38.5:5‑30:1‑2:5‑38.5。本发明通过各组分间高度协同,构建了具备独特理化特性的LNP,克服了现有技术对造血干祖细胞递送效率低、特异性差的技术难题,实现了体内外对HSPCs高效率、高特异性的药物递送。本发明还提供了包含该脂质纳米颗粒的药物递送载体及制备方法。
Resumen de: CN121059564A
本发明公开了一种靶向巨噬细胞的IRG1过表达纳米系统及其制备方法和应用。所述纳米系统包括IRG1过表达质粒、普鲁士蓝纳米囊泡和巨噬细胞膜,所述IRG1过表达质粒包埋于所述普鲁士蓝纳米囊泡内,所述巨噬细胞膜包覆于所述普鲁士蓝纳米囊泡外部。并经过一系列体内外实验验证,本发明Ma(PB@IRG1)纳米系统能够靶向炎性巨噬细胞和炎症区域,发挥免疫‑代谢双重调控,达到逆转炎症、恢复代谢功能、改善肥胖等作用,为有效治疗2型糖尿病提供了新的治疗选择,具有重要的临床转化潜力。
Resumen de: CN121064291A
本发明属于生物医学工程材料领域,具体涉及一种刺突蛋白嵌合的仿生细胞膜纳米囊泡和具有抗癌活性的纳米囊泡。本发明提供了如SEQ ID NO.1所示的刺突蛋白。并进一步提供了表达该刺突蛋白纳米囊泡及其制成的负载有活性成分的基因工程化纳米囊泡。本发明提供的刺突蛋白及纳米囊泡能够靶向肿瘤细胞,能够诱导膜融合过程,有利于活性成分的递送,因此其制成的基因工程化纳米颗粒对于肿瘤具有更好的治疗效果。此外,本发明的刺突蛋白还可以广泛应用于肿瘤诊断、基因编辑、mRNA递送、大分子物质递送和肿瘤免疫治疗,具有广泛的应用前景。
Resumen de: CN121065177A
本发明公开了一种靶向ASGR1的siRNA、递送系统及其应用。所述siRNA经过针对ASGR1靶点的特异性设计与筛选,可高效沉默ASGR1基因表达。同时,本发明构建了相应的用于siRNA递送的脂质纳米颗粒(LNP),其创新性地采用胆汁酸部分替代传统LNP中的胆固醇组分。相较于常规LNP,该修饰显著提升了siRNA的递送效率,并明显增强了肝细胞对纳米颗粒的摄取能力,最终可有效改善肝脏脂质沉积。
Resumen de: CN121059844A
本发明属于生物医疗技术领域,具体涉及ACA49过表达试剂和/或SOX9表达抑制剂在制备肝癌治疗药物中的应用。本发明通过实验验证可以得知,将ACA49过表达试剂和/或SOX9表达抑制剂注射至肝癌细胞肿瘤小鼠体内,可以显著抑制小鼠的肝癌肿瘤细胞数量以及肿瘤的生长,且对小鼠脏器无明显影响,安全性高。
Resumen de: CN121064280A
本发明公开了一种抗肝癌HLA‑A*02型疫苗及其制备方法和应用。本发明首先通过筛选得到序列如SEQ ID NO:1~SEQ ID NO:20所示的新抗原靶点,然后经过改造后用于构建mRNA序列,再利用微流控技术制备mRNA‑脂质纳米颗粒,将疫苗药效成分包裹于脂质纳米颗粒中,有助于将病毒蛋白转运到细胞中,并保护其免受破坏性酶的侵害。本发明提供了一种针对HLA‑A*02:01肝癌患者的mRNA肿瘤疫苗,是一种包含肿瘤特异性可变剪接的超大范围广谱抗原,并且其是严格按照患者HLA分型设计的高覆盖度、高免疫原性肿瘤新生抗原的mRNA疫苗。
Resumen de: CN121059845A
本发明涉及药物制剂技术领域,尤其涉及一种mRNA脂质纳米颗粒及其在治疗三阴乳腺癌中的应用。本发明构建了一种mRNA脂质纳米颗粒,突破三阴乳腺癌葡萄糖转运蛋白(GLUT)抑制剂以及谷氨酰胺酶(GLS)抑制剂单药疗效困境,首次实现mRNA代谢重编程+小分子能量剥夺的双轨治疗。该mRNA脂质纳米颗粒增强了三阴乳腺癌对小分子能量剥夺治疗的敏感性,使BAY‑876和CB‑839临床转化可行性提升至新维度。所述mRNA脂质纳米颗粒的递送效率高,生物安全性较好,同时纳米颗粒的生产流程相对与质粒和病毒更为简单规范,生产药物成本更低。
Resumen de: US2021309763A1
A composition according to an embodiment of the present disclosure includes porous artificial chaperone particles having an average pore diameter of 1 to 100 nm, thereby stapling an alpha helical polypeptide to immobilize a random coiled tertiary-structure of the polypeptide into a stable alpha-helix structure, and significantly improving stability and efficiency of the polypeptide.
Resumen de: CN121064290A
本发明公开了一种对乳腺癌细胞具有细胞毒性的小分子肽及应用,涉及小分子肽纳米药物载药体系的建立及其制备技术领域。该小分子肽是一种靶向肽修饰的碱性磷酸酶反应肽,响应于ALP酶,特异性结合整合素受体,自组装成球形纳米粒,作为纳米载药载体,结构式见图1。本研究成功设计并合成了一种对乳腺癌细胞具有细胞毒性的小分子肽,能够自组装成纳米NP载药系统,体外实验结果表明,自组装纳米NP载给药系统在过表达ALP环境中能快速释放化疗药物,对健康细胞的损伤小,细胞毒性较低,但对癌症细胞的损伤显著,并且能够延长药物的作用时间。体内抗肿瘤实验表明,与不可形变的对照肽相比,小分子肽载药体系具有显著的抗肿瘤效用。
Resumen de: AU2024231998A1
The present disclosure relates to methods of removing lipid (e.g., cholesterol) or preventing lipid accumulation in the eye of an individual (e.g., human) and methods of preventing or treating an eye disease characterized by lipid accumulation (e.g., age-related macular degeneration) in an individual, comprising administering to the eye of the individual an effective amount of a pharmaceutical composition comprising a plurality of nanodiscs, wherein the nanodisc comprises a membrane scaffold protein (MSP) and a phospholipid.
Resumen de: US2025367118A1
Disclosed are nanoparticles and nanogel drug compositions and the use thereof for treating age-related macular degeneration.
Resumen de: US2025367110A1
Compositions for treating ocular disease are disclosed herein. In some embodiments, the composition comprises a dynamic hydrogel comprising a polymer and a plurality of nanoparticles, wherein the polymer is non-covalently crosslinked with the plurality of nanoparticles. The dynamic hydrogel can also comprise an ocular therapeutic encapsulated by the dynamic hydrogel.
Resumen de: US2025367135A1
The present invention relates to a dendritic cell-mimicked nanostructure and a fabrication method therefor and, more specifically, to a nanostructure in which a shell including a cell membrane of dendritic cell-derived lipid molecules is introduced to a nanoparticle core in order to take advantage of the surface antigen-presenting ability of dendritic cells and which enables targeting without disappearance in vivo, thereby providing an effect of inducing an effective immune response.
Resumen de: US2025367131A1
The invention encompasses novel ionizable lipids compounds and their use in lipid nanoparticles delivery systems that are useful in the delivery of nucleic acids to a mammalian subject that can be included for use, for example, as cancer vaccines, gene editing therapeutics, delivery of nucleic acid (e.g., mRNA) encoding antibodies, vaccines for infectious disease, and protein replacement therapeutics. Additionally, the invention encompasses compositions and therapeutics comprising the ionzable lipids in the lipid nanoparticles and the use of the composition and therapeutics for the preparation of a pharmaceutical composition, especially a vaccine, (e.g., for use in the prophylaxis or treatment of infectious diseases, tumor or cancer diseases, rare diseases, allergies, or autoimmune diseases). The invention encompasses methods of treatment or prophylaxis of the aforementioned diseases.
Nº publicación: US2025368757A1 04/12/2025
Solicitante:
OHIO STATE INNOVATION FOUND [US]
Ohio State Innovation Foundation
Resumen de: US2025368757A1
Disclosed are methods for producing matrix-encapsulated proteins, including matrix-encapsulated hemoglobin. Also provided are pharmaceutical compositions comprising a matrix-encapsulated hemoglobin, as well as methods of using thereof to treat hypoxia, cyanide poisoning, hydrogen sulfide poisoning, and/or azide poisoning.