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Gao C, Chen DD, Zhang L, Ma ML, Liu HW, Cui HR. A Mitochondria-Targeting Fluorescent Probe for the Dual Sensing of Hypochlorite and Viscosity without Signal Crosstalk in Living Cells and Zebrafish. Molecules 2024; 29:3059. [PMID: 38999010 PMCID: PMC11243143 DOI: 10.3390/molecules29133059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2024] [Revised: 06/23/2024] [Accepted: 06/24/2024] [Indexed: 07/14/2024] Open
Abstract
Hypochlorite (ClO-) and viscosity both affect the physiological state of mitochondria, and their abnormal levels are closely related to many common diseases. Therefore, it is vitally important to develop mitochondria-targeting fluorescent probes for the dual sensing of ClO- and viscosity. Herein, we have explored a new fluorescent probe, XTAP-Bn, which responds sensitively to ClO- and viscosity with off-on fluorescence changes at 558 and 765 nm, respectively. Because the emission wavelength gap is more than 200 nm, XTAP-Bn can effectively eliminate the signal crosstalk during the simultaneous detection of ClO- and viscosity. In addition, XTAP-Bn has several advantages, including high selectivity, rapid response, good water solubility, low cytotoxicity, and excellent mitochondrial-targeting ability. More importantly, probe XTAP-Bn is successfully employed to monitor the dynamic change in ClO- and viscosity levels in the mitochondria of living cells and zebrafish. This study not only provides a reliable tool for identifying mitochondrial dysfunction but also offers a potential approach for the early diagnosis of mitochondrial-related diseases.
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Affiliation(s)
- Chao Gao
- Synergy Innovation Centre of Biological Peptide Antidiabetics of Hubei Province, College of Life Science, Wuchang University of Technology, Wuhan 430223, China
| | - Dan-Dan Chen
- Synergy Innovation Centre of Biological Peptide Antidiabetics of Hubei Province, College of Life Science, Wuchang University of Technology, Wuhan 430223, China
| | - Lin Zhang
- Synergy Innovation Centre of Biological Peptide Antidiabetics of Hubei Province, College of Life Science, Wuchang University of Technology, Wuhan 430223, China
| | - Ming-Lan Ma
- Synergy Innovation Centre of Biological Peptide Antidiabetics of Hubei Province, College of Life Science, Wuchang University of Technology, Wuhan 430223, China
| | - Hu-Wei Liu
- Synergy Innovation Centre of Biological Peptide Antidiabetics of Hubei Province, College of Life Science, Wuchang University of Technology, Wuhan 430223, China
| | - Hai-Rong Cui
- Synergy Innovation Centre of Biological Peptide Antidiabetics of Hubei Province, College of Life Science, Wuchang University of Technology, Wuhan 430223, China
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Zhang Y, Jiang Q, Wang K, Fang Y, Zhang P, Wei L, Li D, Shu W, Xiao H. Dissecting lysosomal viscosity fluctuations in live cells and liver tissues with an ingenious NIR fluorescent probe. Talanta 2024; 272:125825. [PMID: 38417371 DOI: 10.1016/j.talanta.2024.125825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 02/18/2024] [Accepted: 02/21/2024] [Indexed: 03/01/2024]
Abstract
Viscosity is a pivotal component in the cell microenvironment, while lysosomal viscosity fluctuation is associated with various human diseases, such as tumors and liver diseases. Herein, a near-infrared fluorescent probe (BIMM) based on merocyanine dyes was designed and synthesized for detecting lysosomal viscosity in live cells and liver tissue. The increase in viscosity restricts the free rotation of single bonds, leading to enhanced fluorescence intensity. BIMM exhibits high sensitivity and good selectivity, and is applicable to a wide pH range. BIMM has near-infrared emission, and the fluorescent intensity shows an excellent linear relationship with viscosity. Furthermore, BIMM possessing excellent lysosomes-targeting ability, and can monitor viscosity changes in live cells stimulated by dexamethasone, lipopolysaccharide (LPS), and nigericin, and differentiate between cancer cells and normal cells. Noticeably, BIMM can accurately analyze viscosity changes in various liver disease models with HepG2 cells, and is successfully utilized to visualize variations in viscosity on APAP-induced liver injury. All the results demonstrated that BIMM is a powerful wash-free tool to monitor the viscosity fluctuations in living systems.
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Affiliation(s)
- Yu Zhang
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, 255000, PR China
| | - Qingqing Jiang
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, 255000, PR China
| | - Kai Wang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, 255000, PR China
| | - Yuqi Fang
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, 255000, PR China
| | - Peng Zhang
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, 255000, PR China
| | - Liangchen Wei
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, 255000, PR China
| | - Dongpeng Li
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, 255000, PR China
| | - Wei Shu
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, 255000, PR China.
| | - Haibin Xiao
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, 255000, PR China.
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Ma L, Zan Q, Zhang B, Zhang W, Jia C, Fan L. A multi-functional fluorescent probe for visualization of H 2S and viscosity/polarity and its application in cancer imaging. Anal Bioanal Chem 2024; 416:1375-1387. [PMID: 38270633 DOI: 10.1007/s00216-024-05130-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 12/24/2023] [Accepted: 01/08/2024] [Indexed: 01/26/2024]
Abstract
As an important endogenous gasotransmitter, hydrogen sulfide (H2S) plays a critical role in various physiological functions and has been regarded as a biomarker of cancer due to its overexpression in cancer cells. In addition, the early stages of cancer are often accompanied by abnormalities in the intracellular microenvironments, and distinguishing between cancer cell/tissues and normal cell/tissues is of great significance to the accuracy of cancer diagnosis. However, deep insights into the simultaneous detection of H2S and viscosity/polarity variations in cancer cells/tissues are rarely reported. In this work, we designed and synthesized a mitochondria-targeting fluorescent probe PDQHS, which exhibits high selectivity for H2S with an emission peak around 632 nm and excellent response (17-fold) to viscosity/polarity beyond 706 nm. Meanwhile, PDQHS shows good biocompatibility and can specifically accumulate into mitochondria. Using PDQHS, the visual distinguishing of cancer cells from normal cells was achieved via dual-channel detection of H2S and viscosity/polarity. More importantly, PDQHS has been successfully applied to visualize endogenous and exogenous H2S in living cells and tumor tissue. Obviously, compared to the detection of a single biomarker, monitoring multiple biomarkers simultaneously through dual-channel response is conducive to amplifying the detection signal, providing a more sensitive and reliable imaging tool in the tumor region, which is beneficial for cancer prediction.
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Affiliation(s)
- Ling Ma
- Department of Chemistry and Chemical Engineering, Jinzhong University, Jinzhong, 030619, People's Republic of China.
| | - Qi Zan
- Institute of Environmental Science, School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, People's Republic of China
| | - Baozhu Zhang
- Department of Chemistry and Chemical Engineering, Jinzhong University, Jinzhong, 030619, People's Republic of China
| | - Wenjia Zhang
- Institute of Environmental Science, School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, People's Republic of China
| | - Chunmiao Jia
- Pathology Department, Shanxi Coal Center Hospital, Taiyuan, 030006, People's Republic of China.
| | - Li Fan
- Institute of Environmental Science, School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, People's Republic of China.
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Zhang T, Chi H, Guo J, Lu X, Li G. Construction of a Cu 2+-Responsive NIR Fluorescent Probe and the Preliminary Evaluation of its Multifunctional Application. J Fluoresc 2024:10.1007/s10895-024-03610-2. [PMID: 38386248 DOI: 10.1007/s10895-024-03610-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 01/29/2024] [Indexed: 02/23/2024]
Abstract
Cu2+ was deemed as toxic and the most common heavy metal pollution in the water and food. Meanwhile, endogenous Cu2+ was deeply involved in plenty of physiological and pathological processes of human. Cu2+ imbalance was related to multiple diseases. Here we developed a Cu2+-responsive NIR probe HX, which not only demonstrated obvious color change when subjected to Cu2+, but also showed linear-dependent NIR fluorescence emission to Cu2+ concentration for Cu2+ detection and quantification both in vitro and in vivo. When HX was applied to imaging Cu2+ in the cell or living animals, intracellular Cu2+ fluctuation and Cu2+ accumulation in the liver could be visualized to indicate the copper level in the cell or organs with low background signals. Meanwhile, by applying HX to monitor Cu2+ uptake in the tumor, copper transporter function could be evaluated to screen the patient who are sensitivity to platinum drug.
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Affiliation(s)
- Tao Zhang
- Department of Oral, Shanghai Eighth People's Hospital, Xuhui Branch of Shanghai Sixth People's Hospital, Shanghai, 200233, China
| | - Huirong Chi
- Department of Oral, Shanghai Eighth People's Hospital, Xuhui Branch of Shanghai Sixth People's Hospital, Shanghai, 200233, China
| | - Jingjie Guo
- Department of Oral, Shanghai Eighth People's Hospital, Xuhui Branch of Shanghai Sixth People's Hospital, Shanghai, 200233, China
| | - Xinmiao Lu
- Department of Nuclear Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200235, China.
| | - Guolin Li
- Department of Oral, Shanghai Eighth People's Hospital, Xuhui Branch of Shanghai Sixth People's Hospital, Shanghai, 200233, China.
- Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, School of Basic Medicine, Jiamusi University, Jiamusi, Heilongjiang, 154000, P. R. China.
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