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Chen Y, Zhao W, Si J, Zheng Y, Tan H, Meng F, Yang G, Gu Y, Qu L. Highly selective SERS detection of acetylcholinesterase in human blood based on catalytic reaction. Anal Chim Acta 2022; 1232:340495. [DOI: 10.1016/j.aca.2022.340495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 10/05/2022] [Indexed: 11/01/2022]
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Ni J, Huang M, Ji W, Wang L, Sun T. Recent advances in Surface-enhanced Raman Scattering for Liver Cancer Detection. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2022. [DOI: 10.1016/j.cjac.2022.100180] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Sun R, Wu X, Mao Y, Wang H, Bian C, Lv P, Zhao Z, Li X, Fu W, Lu J, Cao Z. A facile turn-on chemiluminescence probe for sensitive imaging on aminopeptidase N activity. LUMINESCENCE 2022; 37:1335-1342. [PMID: 35671536 DOI: 10.1002/bio.4302] [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: 05/12/2022] [Revised: 06/04/2022] [Accepted: 06/04/2022] [Indexed: 11/09/2022]
Abstract
Aminopeptidase N, as a target for drug discovery, shows remarkable relationship with many diseases, especially liver injury and cancer. Herein, we explored a chemiluminescence (CL) probe for sensing APN by tethering APN-specific substrate group to the ortho-acrylated phenoxy-dioxetane scaffold. In this manner, two CL probes (APN-CL and BAPN-CL) were designed with non-capped leucine and butoxy-carbonyl capped leucine as the protecting group to preserve the chemiexcitation energy. The uncovered leucine was demonstrated to be essential for detection of APN activity by comparing the CL intensity of two CL probes. Probe APN-CL was turned on upon APN cleavage, resulting in a high chemiluminescent emission, while the chemiexcitation energy of probe BAPN-CL was still restrained even with the high-level APN. The result was elucidated by molecular docking simulation in further. Probe APN-CL exhibited fast response and high sensitivity with a detection limit of 0.068 U/L, and an excellent specificity for the discrimination of APN from biological ions, small molecules and other proteases commonly found in living system. By virtue of good stability and cell viability, probe APN-CL imaged abnormal level of APN in tumor cells and tumor-bearing mice. Moreover, this probe APN-CL could be easily used to evaluate APN inhibitors and APN level in plasma samples from 20 patients. Overall, as a facile and cost-effective probe, APN-CL will be a promising alternative in the early diagnosis of pathologies and cost-effective screening on inhibitors.
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Affiliation(s)
- Ru Sun
- Department of Pharmaceutical Analysis, School of Pharmacy, Fudan University, Shanghai, P. R. China
| | - Xuesong Wu
- China State Institute of Pharmaceutical Industry, Shanghai, P. R. China
| | - Yanjia Mao
- China State Institute of Pharmaceutical Industry, Shanghai, P. R. China
| | - Hongbo Wang
- China State Institute of Pharmaceutical Industry, Shanghai, P. R. China
| | - Chong Bian
- Minhang Branch, Zhongshan Hospital, Fudan University, Shanghai, P. R. China
| | - Panpan Lv
- Minhang Branch, Zhongshan Hospital, Fudan University, Shanghai, P. R. China
| | - Zhen Zhao
- Minhang Branch, Zhongshan Hospital, Fudan University, Shanghai, P. R. China
| | - Xinwei Li
- Department of Pharmaceutical Analysis, School of Pharmacy, Fudan University, Shanghai, P. R. China
| | - Wei Fu
- Department of Pharmaceutical Analysis, School of Pharmacy, Fudan University, Shanghai, P. R. China
| | - Jianzhong Lu
- Department of Pharmaceutical Analysis, School of Pharmacy, Fudan University, Shanghai, P. R. China
| | - Zhijuan Cao
- Department of Pharmaceutical Analysis, School of Pharmacy, Fudan University, Shanghai, P. R. China
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Xu W, Wang J, Xu C, Hua J, Wang Y. A diketopyrrolopyrrole-based ratiometric fluorescent probe for endogenous leucine aminopeptidase detecting and imaging with specific phototoxicity in tumor cells. J Mater Chem B 2021; 9:8842-8850. [PMID: 34647119 DOI: 10.1039/d1tb01480c] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Leucine aminopeptidase (LAP) is a vital proteolytic enzyme, and its overexpression is often associated with many physiological diseases, such as liver dysfunction and breast cancer. Therefore, the accurate measurement of LAP concentrations in cells is critical for the diagnosis and prevention of related diseases. Herein, a new ratiometric fluorescent probe, DPP-Leu, based on diketopyrrolopyrrole (DPP) was designed and synthesized for LAP detection based on the specific enzymatic cleavage of the N-terminal leucine residue. The fluorescence intensity ratio of DPP-Leu (I548/I651) showed a remarkable change in the presence of LAP, with a limit of detection of 0.011 U L-1, and DPP-Leu was successfully applied to detect LAP in fetal bovine serum (FBS) and artificial urine. Cell imaging experiments revealed that DPP-Leu could target mitochondria and distinguish tumor cells with high LAP content from normal cells. Importantly, benefiting from the structural transformation of DPP-Leu to the photosensitizer 4 under LAP catalysis, the probe could kill tumor cells under light irradiation without damaging normal cells.
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Affiliation(s)
- Weibo Xu
- Department of Oncology, Shanghai Medical College, Fudan University, Yixueyuan Road 138, Shanghai 200032, P. R. China. .,Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, P. R. China
| | - Jian Wang
- Key Laboratory for Advanced Materials, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai 200237, P. R. China. .,The Key Laboratory of Resource Chemistry of Ministry of Education, College of Chemistry and Materials Science, Shanghai Normal University, 100 Guilin Rd., Shanghai 200234, P. R. China
| | - Chenyang Xu
- Key Laboratory for Advanced Materials, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai 200237, P. R. China.
| | - Jianli Hua
- Key Laboratory for Advanced Materials, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Meilong Road 130, Shanghai 200237, P. R. China.
| | - Yu Wang
- Department of Oncology, Shanghai Medical College, Fudan University, Yixueyuan Road 138, Shanghai 200032, P. R. China. .,Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, P. R. China
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Yang Y, Zhang L, Li J, Wang J, Cao T, Zheng L, Cao Y, Qin W, Liu Y. In vivo imaging via a red-emitting fluorescent probe to diagnosing liver cancer or drug-induced liver disease. Anal Chim Acta 2021; 1168:338621. [PMID: 34051991 DOI: 10.1016/j.aca.2021.338621] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 04/21/2021] [Accepted: 05/03/2021] [Indexed: 12/12/2022]
Abstract
Leucine aminopeptidase (LAP) as an important proteolytic enzyme, has been mainly found in hepatobiliary cells, and overexpressed in hepatoma cells. Herein, a new highly selective red-emitting fluorescent probe (DCDHF-Ala) for LAP has been synthesized based on 2-dicyanomethyldiene-3-cyano-2, 5-dihydrofuran (DCDHF) as fluorophore, and alanine (Ala) as the detection group. More importantly, it's the first time to use Ala as a reactive group for LAP. DCDHF-Ala has a low detection limit (0.20 U/L), excellent water solubility and cell membrane permeability. In addition, the probe has been successfully applied to fluorescent imaging in cells and zebrafish. It's especially worth mentioning that, DCDHF-Ala has a high biosafety and enables a real-time detection of LAP levels in mice model. What's the most important is that DCDHF-Ala may be an effective tool to qualitatively monitor the upregulation of LAP induced by liver injury and liver cancer.
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Affiliation(s)
- Yuexia Yang
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Special Function Materials and Structure Design (MOE), College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, PR China
| | - Liang Zhang
- Department of Radiology, Xinqiao Hospital, Army Medical University, Chongqing, 400037, PR China
| | - Jiajun Li
- State Key Laboratory of Veterinary Etiological Biology and Key Laboratory of Animal Virology of Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Xujiaping 1, Lanzhou, Gansu Province, 730046, PR China
| | - Jiemin Wang
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Special Function Materials and Structure Design (MOE), College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, PR China
| | - Ting Cao
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Special Function Materials and Structure Design (MOE), College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, PR China
| | - Lei Zheng
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Special Function Materials and Structure Design (MOE), College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, PR China
| | - Yuping Cao
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Special Function Materials and Structure Design (MOE), College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, PR China
| | - Wenwu Qin
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Special Function Materials and Structure Design (MOE), College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, PR China.
| | - Yun Liu
- Department of Radiology, Xinqiao Hospital, Army Medical University, Chongqing, 400037, PR China.
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Du K, Sheng L, Luo X, Fan G, Shen D, Wu C, Shen R. A ratiometric fluorescent probe based on quinoline for monitoring and imaging of Leucine aminopeptidase in liver tumor cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 249:119328. [PMID: 33360204 DOI: 10.1016/j.saa.2020.119328] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/01/2020] [Accepted: 12/07/2020] [Indexed: 06/12/2023]
Abstract
Leucine aminopeptidase (LAP) is known as an important potential biomarker for liver malignancy and it is urgent to develop an intuitive and effective method to monitor the activity of LAP in liver cancer. Although, numerous LAP fluorescent probes had been developed, it is still a challenge to detect LAP activity in liver cancer. Herein, combained with the DFT, we reported a novel galactose-appended hepatoma-specific ratiometric fluorescent probe (Gal-QL-Leu) based on quinoline group for imaging and tracing LAP in liver tumor cells. Probe Gal-QL-Leu demonstrated a obvious ratiometric characteristics, better selectivity, good biocompatibility and high sensitivity. Moreover, the selective imaging of LAP in HepG2, HCT116, A549 and HeLa cells had been achieved with probe Gal-QL-Leu, demonstrating good application prospect in the detection of LAP activity in liver tumor cells.
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Affiliation(s)
- Kui Du
- School of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China.
| | - Li Sheng
- Research & Development Center, Zhejiang Medicine Co. Ltd. Shaoxing 312500, China
| | - Xiang Luo
- School of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China
| | - Gang Fan
- Research & Development Center, Zhejiang Medicine Co. Ltd. Shaoxing 312500, China
| | - Dadong Shen
- Research & Development Center, Zhejiang Medicine Co. Ltd. Shaoxing 312500, China
| | - Chunlei Wu
- School of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China
| | - Runpu Shen
- School of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China.
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