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A Golden Touch in the Design of Multifunctional Porphyrin Metallacages:Host-Guest Chemistry for Drug-Target Interactions

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CCS Chemistry 2024年第7期6卷 1662-1671页

作者： Tamara Rodríguez-Prieto Darren Wragg Nicole Heiduk mihyun pa.k Nicole Strittmatter Roland A.Fischer Angela Casini Guillermo Moreno-Alcántar Chair of Medicinal and Bioinorganic Chemistry Department of ChemistrySchool of Natural SciencesTechnical University of Munich85748 Garching b.München Professorship for Analytical Chemistry Department of ChemistrySchool of Natural SciencesTechnical University of Munich85748 Garching b.München Chair of Inorganic and MetalOrganic Chemistry Department of ChemistrySchool of Natural SciencesTechnical University of Munich85748 Garching b.München Munich Data Science Institute(MDSI) Technical University of Munich85748 Garching b.München

The use of three-dimensional self-assembled metallacages(MCgs)as multimodal drug platforms holds great ***,the synthesis of MCgs with increased complexity and functionality is a great challenge since understanding of the interaction of MCgs with biological targets is still *** this context,this work reports on the integration of a gold(III)porphyrin scaffold into a prismatic MCg structure and explores its application for multimodal therapy of cancer in vitro,namely enabling both photodynamic therapy and *** experimental approaches with a state-of-the-art metadynamics theoretical study,we discovered that the gold cage shows unprecedented host-guest interaction-driven selective stabilization of guanine-quadruplex(G4)structures-validated anticancer drug targets-disclosing a new mechanism to pursue in the design of supramolecular drugs.

关键词： gold metallacages porphyrins G4stabili-zation host-guestchemistry anticanceragents

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Changes on optical coherence tomography angiography and fluorescein angiography in eyes with neovascular age-related macular degeneration

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International Journal of Ophthalmology(English edition) 2022年第11期15卷 1837-1844页

作者： So Min Ahn mihyun Choi Cheolmin Yun Seong-Woo kim Jaeryung Oh Department of Ophthalmology Korea University College of MedicineSeoul 02841Republic of Korea

AIM:lo evaluate the changes on optical coherence tomography angiography(OCTA) and fluorescein angiography(FA) and their correlation in neovascular agerelated macular degeneration(nAMD) before and after intravitreal aflibercept injections(IAIs).METHODS:In 43 treatment-na?ve patients with nAMD,choroidal neovascularization(CNV) in OCTA were morphologically and quantitatively analyzed before and after IAIs to determine whether they are correlated with leakage on FA or *** combining CNV in OCTA and leakage in FA,lesions were characterized as three types:L+C+(with both CNV and leakage),L-C+(with CNV but without leakage),or L+C-lesion(with leakage outside CNV).RESULTS:Before IAI,while 27 eyes had L+C+lesion only,16 eyes had both L+C+and L-C+lesions *** capillaries and anastomosis in CNV were more developed in L+C+lesion,at 86.0% and58.1%,respectively,relative to 9.3% and 9.3% in L-C+lesions(Pkage on FA(Pkage on FA is associated with CNV morphology in OCTA and remained so after ***,by carefully assessing the morphological and quantitative changes of CNV in OCTA before and after treatment,activity of nAMD is expected even though CNV on OCTA is not completely matched with fluorescein leakage.

关键词： choroidal neovascularization fluorescein angiography leakage neovascular age-related macular degeneration optical coherence tomography angiography

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