[EN] TECHNETIUM- AND RHENIUM-BIS(HETEROARYL) COMPLEXES, AND METHODS OF USE THEREOF<br/>[FR] COMPLEXES DE TECHNETIUM- ET RHENIUM-BIS(HETEROARYLE), ET LEURS PROCEDES D'UTILISATION
申请人:MOLECULAR INSIGHT PHARM INC
公开号:WO2005079865A1
公开(公告)日:2005-09-01
One aspect of the invention relates to complexes of a radionuclide with various heteroaryl ligands, e.g., imidazolyl and pyridyl ligands, and their use in radiopharmaceuticals for a variety of clinical diagnostic and therapeutic applications. Another aspect of the invention relates to imidazolyl and pyridyl ligands that form a portion of the aforementioned complexes. Methods for the preparation of the radionuclide complexes are also described. Another aspect of the invention relates to imidazolyl and pyridyl ligands based on derivatized lysine, alanine and bis-amino acids for conjugation to small peptides by solid phase synthetic methods. Additionally, the invention relates to methods for imaging regions of a mammal using the complexes of the invention.
Technetium-depyridine complexes, and methods of use thereof
申请人:——
公开号:US20030235843A1
公开(公告)日:2003-12-25
One aspect of the invention relates to novel complexes of technetium (Tc) with various heteroaromatic ligands, e.g., pyridyl and imidazolyl ligands, and their use in radiopharmaceuticals for a variety of clinical diagnostic and therapeutic applications. Another aspect of the invention relates to novel pyridyl ligands that form a portion of the aforementioned complexes. Methods for the preparation of the technetium complexes are also described. Another aspect of the invention relates to novel pyridyl ligands based on derivatized lysine, alanine and bis-amino acids for conjugation to small peptides by solid phase synthetic methods. Additionally, the invention relates to methods for imaging regions of a mammal using the complexes of the invention.
for the construction of poly(disulfide)s for the efficient delivery of both nucleic acids and proteins into cells. A convenient photo-cross-linking polymerization was adopted between disulfide bonds in two modified lipoic acid monomers (Zn coordinated with dipicolylamine analogue (ZnDPA) and guanidine (GUA)). The disulfide-containing main chain of the resulting poly(disulfide)s was responsive to reducing
The combination cancer therapy of nitricoxide (NO) with gene therapy is a promising method for tumor treatment. However, efficient co-delivery of gas and therapeutic genes to tumor cells remains a challenge. Herein, we designed a nano-sized ultraviolet (UV) light-responsive cationic lipid vector DPNO(Zn). Fluorescence spectroscopy and confocal imaging experiments revealed that DPNO(Zn) lipid nanoparticles
一氧化氮 (NO) 与基因治疗相结合的癌症治疗是一种很有前途的肿瘤治疗方法。然而,将气体和治疗基因有效地共同递送至肿瘤细胞仍然是一个挑战。在此,我们设计了一种纳米级紫外 (UV) 光响应阳离子脂质载体DPNO(Zn)。荧光光谱和共聚焦成像实验表明,DPNO(Zn)脂质纳米粒子 (LNPs) 可以在低功率紫外光照射下快速释放 NO。此外,荧光开启可能与 NO 的释放一起发生,表明具有自我报告能力。基因传递实验表明,DPNO(Zn)LNPs 具有良好的基因转染能力,使此类材料成为气体/基因联合治疗的良好候选材料。体外抗肿瘤试验表明,联合递送系统在抑制肿瘤细胞增殖方面比单独使用 NO 或 pTrail 治疗更有效。NO/pTrail共递送诱导肿瘤细胞凋亡机制的研究表明,NO不仅可以有效增加肿瘤细胞中p53蛋白的积累,从而促进caspase-3的激活,还可以诱导线粒体损伤。另一方面,pTrail 基因表达的