{"title":"基于DNA四面体的FRET纳米传感器用于观察阿尔茨海默病小鼠模型PLD3波动","authors":"Shuyan Wen, Zizhao Ju, Yiqing Wang, Chuan-Tao Zuo, Xiaotian Sun, Tingting Zheng","doi":"10.1021/acsami.4c20506","DOIUrl":null,"url":null,"abstract":"Accumulating evidence supports an important role of phospholipase D3 (PLD3) in the pathogenesis of Alzheimer’s disease (AD), while the actual expression level and distribution of PLD3 remains controversial in AD. Developing specific nanoprobes could be a promising strategy to understand PLD3 better, but there are limited approaches available in this field for a simple, reliable, and biocompatible biosensor. In this work, we report a PLD3-induced fluorescence resonance energy transfer (FRET) nanoprobe utilizing tetrahedral DNA nanostructures (TDNs) for visualizing the fluctuation of PLD3 at organ and subcellular levels in AD. Hydrolysis of PLD3 to a specific nucleotide strand on TDN will turn the FRET probe to an OFF state, which results in changes in fluorescent intensity. Immunofluorescent staining of brain sections proved the reliability of TDN nanoprobe to visualize PLD3 and the upregulation of PLD3 was observed in AD mice. Subsequent application of the nanoprobe uncovered PLD3 in the heart tissue of AD mice for the first time. Further investigations on the cellular level revealed a good colocalization of TDN nanoprobes with lysosomes in normal neurons, while their fluorescent signal overlaps better with mitochondria than lysosomes in AD neurons. Our finding provides not only insights into PLD3 but also an inspiring application of TDNs in the mechanism research of AD at multiple levels.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"85 1","pages":""},"PeriodicalIF":8.2000,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"FRET Nanosensor Based on DNA Tetrahedron for Visualizing PLD3 Fluctuation in Mouse Models of Alzheimer’s Disease\",\"authors\":\"Shuyan Wen, Zizhao Ju, Yiqing Wang, Chuan-Tao Zuo, Xiaotian Sun, Tingting Zheng\",\"doi\":\"10.1021/acsami.4c20506\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Accumulating evidence supports an important role of phospholipase D3 (PLD3) in the pathogenesis of Alzheimer’s disease (AD), while the actual expression level and distribution of PLD3 remains controversial in AD. Developing specific nanoprobes could be a promising strategy to understand PLD3 better, but there are limited approaches available in this field for a simple, reliable, and biocompatible biosensor. In this work, we report a PLD3-induced fluorescence resonance energy transfer (FRET) nanoprobe utilizing tetrahedral DNA nanostructures (TDNs) for visualizing the fluctuation of PLD3 at organ and subcellular levels in AD. Hydrolysis of PLD3 to a specific nucleotide strand on TDN will turn the FRET probe to an OFF state, which results in changes in fluorescent intensity. Immunofluorescent staining of brain sections proved the reliability of TDN nanoprobe to visualize PLD3 and the upregulation of PLD3 was observed in AD mice. Subsequent application of the nanoprobe uncovered PLD3 in the heart tissue of AD mice for the first time. Further investigations on the cellular level revealed a good colocalization of TDN nanoprobes with lysosomes in normal neurons, while their fluorescent signal overlaps better with mitochondria than lysosomes in AD neurons. Our finding provides not only insights into PLD3 but also an inspiring application of TDNs in the mechanism research of AD at multiple levels.\",\"PeriodicalId\":5,\"journal\":{\"name\":\"ACS Applied Materials & Interfaces\",\"volume\":\"85 1\",\"pages\":\"\"},\"PeriodicalIF\":8.2000,\"publicationDate\":\"2025-02-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ACS Applied Materials & Interfaces\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://doi.org/10.1021/acsami.4c20506\",\"RegionNum\":2,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"ACS Applied Materials & Interfaces","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1021/acsami.4c20506","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
FRET Nanosensor Based on DNA Tetrahedron for Visualizing PLD3 Fluctuation in Mouse Models of Alzheimer’s Disease
Accumulating evidence supports an important role of phospholipase D3 (PLD3) in the pathogenesis of Alzheimer’s disease (AD), while the actual expression level and distribution of PLD3 remains controversial in AD. Developing specific nanoprobes could be a promising strategy to understand PLD3 better, but there are limited approaches available in this field for a simple, reliable, and biocompatible biosensor. In this work, we report a PLD3-induced fluorescence resonance energy transfer (FRET) nanoprobe utilizing tetrahedral DNA nanostructures (TDNs) for visualizing the fluctuation of PLD3 at organ and subcellular levels in AD. Hydrolysis of PLD3 to a specific nucleotide strand on TDN will turn the FRET probe to an OFF state, which results in changes in fluorescent intensity. Immunofluorescent staining of brain sections proved the reliability of TDN nanoprobe to visualize PLD3 and the upregulation of PLD3 was observed in AD mice. Subsequent application of the nanoprobe uncovered PLD3 in the heart tissue of AD mice for the first time. Further investigations on the cellular level revealed a good colocalization of TDN nanoprobes with lysosomes in normal neurons, while their fluorescent signal overlaps better with mitochondria than lysosomes in AD neurons. Our finding provides not only insights into PLD3 but also an inspiring application of TDNs in the mechanism research of AD at multiple levels.
期刊介绍:
ACS Applied Materials & Interfaces is a leading interdisciplinary journal that brings together chemists, engineers, physicists, and biologists to explore the development and utilization of newly-discovered materials and interfacial processes for specific applications. Our journal has experienced remarkable growth since its establishment in 2009, both in terms of the number of articles published and the impact of the research showcased. We are proud to foster a truly global community, with the majority of published articles originating from outside the United States, reflecting the rapid growth of applied research worldwide.