1
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El-Ghannam G, Moawad M, Abo-Elfadl MT, Elfeky SA. Beetroot extract@chitosan nanocomposite as a promising approach towards cancer therapy. Int J Biol Macromol 2024; 261:129700. [PMID: 38278395 DOI: 10.1016/j.ijbiomac.2024.129700] [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: 09/17/2023] [Revised: 01/11/2024] [Accepted: 01/22/2024] [Indexed: 01/28/2024]
Abstract
The exceptional antioxidant properties of beetroot (BR) and the cancer antiproliferative effects of chitosan nanoparticles (CS NP) have led to the synthesis of a BR@CS nanocomposite (NC) in this study. The novel BR@CS NC was applied to human epithelial colorectal adenocarcinoma (Caco-2), human epithelial ductal breast carcinoma (T-47D), and human epithelial lung carcinoma (A549) cells. SEM characterization of CS NP revealed a variety of particle shapes ranging from 20 to 58 nm in diameter. UV-VIS analysis confirmed the formation of the BR@CS NC, while FTIR analysis demonstrated strong hydrogen bonds between CS NP and BR. These bonds reduced the positive surface charge of CS NP, as indicated by zeta potential analysis. When applied to cancer cell lines at a concentration of 250 μg/mL, the BR@CS NC successfully eradicated 89 % of A549, 88 % of T-47D, and 83 % of Caco-2 cell lines. The cell death mode exhibited extensive, apoptotic, and massive necrotic changes in all cell lines treated with BR@CS NC. Caspase 3 (CasP3) and P53 levels were elevated in BR@CS NC-treated cells. This study merges BR's antioxidant and anti-inflammatory properties with the antiangiogenic mechanism and inhibition of tumors by CS NP, resulting in a unique and innovative strategy for cancer treatment.
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Affiliation(s)
- Gamal El-Ghannam
- National Institute of Laser Enhanced Sciences (NILES), Department of Laser Applications in Metrology, Photochemistry, and Agriculture (LAMPA), Cairo University, 12613 Giza, Egypt.
| | - Mahmoud Moawad
- Department of Surgical Pathology, National Cancer Institute, Cairo University, Egypt
| | - Mahmoud T Abo-Elfadl
- Biochemistry Department, Biotechnology Research Institute, National Research Centre, Cairo 12622, Egypt; Cancer Biology and Genetics Laboratory, Centre of Excellence for Advanced Sciences, National Research Centre, Cairo 12622, Egypt
| | - Souad A Elfeky
- National Institute of Laser Enhanced Sciences (NILES), Department of Laser Applications in Metrology, Photochemistry, and Agriculture (LAMPA), Cairo University, 12613 Giza, Egypt.
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2
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Belal F, Mabrouk M, Hammad S, Ahmed H, Barseem A. Recent Applications of Quantum Dots in Pharmaceutical Analysis. J Fluoresc 2024; 34:119-138. [PMID: 37222883 DOI: 10.1007/s10895-023-03276-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 05/16/2023] [Indexed: 05/25/2023]
Abstract
Nanotechnology has emerged as one of the most potential areas for pharmaceutical analysis. The need for nanomaterials in pharmaceutical analysis is comprehended in terms of economic challenges, health and safety concerns. Quantum dots (QDs)or colloidal semiconductor nanocrystals are new groups of fluorescent nanoparticles that bind nanotechnology to drug analysis. Because of their special physicochemical characteristics and small size, QDs are thought to be promising candidates for the electrical and luminescent probes development. They were originally developed as luminescent biological labels, but are now discovering new analytical chemistry applications, where their photo-luminescent properties are used in pharmaceutical, clinical analysis, food quality control and environmental monitoring. In this review, we discuss QDs regarding properties and advantages, advances in methods of synthesis and their recent applications in drug analysis in the recent last years.
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Affiliation(s)
- Fathalla Belal
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
| | - Mokhtar Mabrouk
- Department of pharmaceutical analytical Chemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Sherin Hammad
- Department of pharmaceutical analytical Chemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Hytham Ahmed
- Pharmaceutical Analysis Department, Faculty of Pharmacy, Menoufia University, Menoufia, Egypt
| | - Aya Barseem
- Pharmaceutical Analysis Department, Faculty of Pharmacy, Menoufia University, Menoufia, Egypt.
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3
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Wu C, Tan P, Chen X, Chang H, Chen Y, Su G, Liu T, Lu Z, Sun M, Wang Y, Zou Y, Wang J, Rao H. Machine Learning-Assisted High-Throughput Strategy for Real-Time Detection of Spermine Using a Triple-Emission Ratiometric Probe. ACS APPLIED MATERIALS & INTERFACES 2023; 15:48506-48518. [PMID: 37796018 DOI: 10.1021/acsami.3c09836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/06/2023]
Abstract
In this study, we designed and fabricated a spermine-responsive triple-emission ratiometric fluorescent probe using dual-emissive carbon nanoparticles and quantum dots, which improve the sensor's accuracy and reduce interfering environmental effects. The probe is advantageous for the proportionate detection of spermine because it has good emission resolution, and the maximum points of the two emission peaks differ by 95 nm. As a proof of concept, cuvettes and a 96-well plate were combined with a smartphone and YOLO series algorithms to accomplish real-time, visual, and high-throughput detection of seafood and meat freshness. In addition, the reaction mechanism was verified by density functional theory and fundamental characterizations. Upon exposure to different amounts of spermine, the intensity of the fluorescent probe changed linearly, and the fluorescent color shifted from yellow-green to red, with a limit of detection of 0.33 μM. To enable visual identification of food-originated spermine, a hydrogel-based visual sensing platform was successfully developed utilizing the triple-emission fluorescent probe. Consequently, spermine could be identified and quantified without complicated equipment.
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Affiliation(s)
- Chun Wu
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an 625014, P. R. China
| | - Ping Tan
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an 625014, P. R. China
| | - Xianjin Chen
- College of Information Engineering, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an 625014, P. R. China
| | - Hongrong Chang
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an 625014, P. R. China
| | - Yuhui Chen
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an 625014, P. R. China
| | - Gehong Su
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an 625014, P. R. China
| | - Tao Liu
- College of Information Engineering, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an 625014, P. R. China
| | - Zhiwei Lu
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an 625014, P. R. China
| | - Mengmeng Sun
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an 625014, P. R. China
| | - Yanying Wang
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an 625014, P. R. China
| | - Yuanfeng Zou
- College of Veterinary Medicine, Sichuan Agricultural University, Huimin Road, Wenjiang District, Chengdu 611130, P. R. China
| | - Jian Wang
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an 625014, P. R. China
| | - Hanbing Rao
- College of Science, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an 625014, P. R. China
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4
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Cytochrome c in cancer therapy and prognosis. Biosci Rep 2022; 42:232225. [PMID: 36479932 PMCID: PMC9780037 DOI: 10.1042/bsr20222171] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/01/2022] [Accepted: 12/08/2022] [Indexed: 12/13/2022] Open
Abstract
Cytochrome c (cyt c) is an electron transporter of the mitochondrial respiratory chain. Upon permeabilization of the mitochondrial outer membrane, cyt c is released into the cytoplasm, where it triggers the intrinsic pathway of apoptosis. Cytoplasmic cyt c can further reach the bloodstream. Apoptosis inhibition is one of the hallmarks of cancer and its induction in tumors is a widely used therapeutic approach. Apoptosis inhibition and induction correlate with decreased and increased serum levels of cyt c, respectively. The quantification of cyt c in the serum is useful in the monitoring of patient response to chemotherapy, with potential prognosis value. Several highly sensitive biosensors have been developed for the quantification of cyt c levels in human serum. Moreover, the delivery of exogenous cyt c to the cytoplasm of cancer cells is an effective approach for inducing their apoptosis. Similarly, several protein-based and nanoparticle-based systems have been developed for the therapeutic delivery of cyt c to cancer cells. As such, cyt c is a human protein with promising value in cancer prognosis and therapy. In addition, its thermal stability can be extended through PEGylation and ionic liquid storage. These processes could contribute to enhancing its therapeutic exploitation in clinical facilities with limited refrigeration conditions. Here, I discuss these research lines and how their timely conjunction can advance cancer therapy and prognosis.
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5
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Yadav S, Sawarni N, Kumari P, Sharma M. Advancement in analytical techniques fabricated for the quantitation of cytochrome c. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.09.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Du P, Zhang J, Ma J, Chu Z, Cao F, Liu J. Synthesis of Copper Nanoclusters and Their Application for Environmental Pollutant Probes: A Review. Crit Rev Anal Chem 2022; 54:1416-1429. [PMID: 36037057 DOI: 10.1080/10408347.2022.2116555] [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] [Indexed: 10/15/2022]
Abstract
Copper nanoclusters (CuNCs) as a new type of probe for environmental contaminants are gaining increasing attention because of its low cost, superior water dispersibility, wide availability and excellent optical properties. Compared with the other probes such as quantum dots and organic dyes, CuNCs show much more potential in practical application for their excellent photostability, large Stokes shift, low toxicity and other preponderance, especially in the fields of biosensing and environmental monitoring. Recently, the template-assisted synthesis of metal nanoclusters (MNCs) has been widely studied. A variety of templates such as proteins, small thiol molecules, polymers, and DNA with different spatial configuration have been used for the preparation of MNCs so far. This review primarily described recent advances in CuNCs in terms of the synthesis of CuNCs from different templates, the methods to improve the fluorescence (FL) properties of CuNCs, as well as the basic detection mechanisms based on the FL properties or catalytic properties. Finally, to promote the practical application of CuNCs probes, the challenges and prospects of CuNCs multifunctional probes are also discussed.
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Affiliation(s)
- Peng Du
- College of Chemistry and Life Science, Suzhou University of Science and Technology, Suzhou, China
| | - Jing Zhang
- College of Chemistry and Life Science, Suzhou University of Science and Technology, Suzhou, China
| | - Jieyu Ma
- College of Chemistry and Life Science, Suzhou University of Science and Technology, Suzhou, China
| | - Zhengkun Chu
- College of Chemistry and Life Science, Suzhou University of Science and Technology, Suzhou, China
| | - Feng Cao
- College of Chemistry and Life Science, Suzhou University of Science and Technology, Suzhou, China
| | - Jie Liu
- College of Chemistry and Life Science, Suzhou University of Science and Technology, Suzhou, China
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7
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Dou M, Wu Y, Du J. Luminescent gold nanoclusters as a signal reporter for cytochrome c assay with a double signal amplification strategy. J CHIN CHEM SOC-TAIP 2022. [DOI: 10.1002/jccs.202200263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Min‐Na Dou
- Normal Department Xianyang Vocational Technical College Xianyang China
| | - Yifan Wu
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering Shaanxi Normal University Xi′an China
| | - Jianxiu Du
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering Shaanxi Normal University Xi′an China
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8
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A Ratiometric Fiber Optic Sensor Based on CdTe QDs Functionalized with Glutathione and Mercaptopropionic Acid for On-Site Monitoring of Antibiotic Ciprofloxacin in Aquaculture Water. NANOMATERIALS 2022; 12:nano12050829. [PMID: 35269315 PMCID: PMC8912570 DOI: 10.3390/nano12050829] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/24/2022] [Accepted: 02/02/2022] [Indexed: 12/29/2022]
Abstract
A ratiometric fluorescence fiber-optical sensor system (RFFS) merging a Y-type optical fiber spectrometer and CdTe QDs composite functionalized with glutathione and mercaptopropionic acid (GMPA@CdTe-QDs) for highly selective and on-site detection of ciprofloxacin (CIP) in environmental water samples was designed. Our preliminary results suggested that the red fluorescence of the synthesized GMPA@CdTe-QDs was effectively quenched by CIP. Based on this, the RFFS/GMPA@CdTe-QDs system was successfully fabricated and used for highly selective and rapid detection of CIP on site in the concentration range from 0 to 45 μM with the detection limit of 0.90 μM. The established method exhibited good interference resistance to the analogues of CIP and provided a great potential platform for real-time detection of CIP residues in environmental water. In addition, the fluorescence quenching mechanism of GMPA@CdTe-QDs by CIP was also investigated by means of temperature effect, fluorescence lifetime, ultraviolet (UV) visible absorption, and fluorescent spectra. Our results suggested clearly that the red fluorescence of GMPA@CdTe-QDs was quenched by CIP via the photoinduced electron-transfer (PET) mode.
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9
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Live-cell visualization of cytochrome c: a tool to explore apoptosis. Biochem Soc Trans 2021; 49:2903-2915. [PMID: 34747968 DOI: 10.1042/bst20211028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 10/10/2021] [Accepted: 10/12/2021] [Indexed: 02/07/2023]
Abstract
Apoptosis dysfunction is associated with several malignancies, including cancer and autoimmune diseases. Apoptosis restoration could be an attractive therapeutic approach to those diseases. Mitochondrial outer membrane permeabilization is regarded as the point of no return in the 'classical' apoptosis triggering pathway. Cytoplasmic release of cytochrome c (cyt c), a mitochondrial electron transporter, is a prominent indicator of such critical step. Therefore, visualizing cyt c efflux in living cells is a convenient approach to address apoptosis triggering and monitor performance of apoptosis restoration strategies. Recent years have been prolific in the development of biosensors to visualize cyt c mitochondrial efflux in living cells, by fluorescence microscopy. These biosensors specifically detect endogenous, untagged cyt c, while showing efficient cellular uptake and reduced cell toxicity. A common aspect is their fluorescence quenching in the absence or presence of bound cyt c, resulting in two main biosensor types: 'turn ON' and 'turn OFF'. In some of these systems, fluorescence intensity of fluorophore-bound aptamers is enhanced upon cyt c binding. In others, cyt c binding to quantum dots quenches their fluorescence. In the present minireview, I describe these biosensors and briefly introduce some hypotheses that could be addressed using these novel tools.
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10
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Quantifying Cytosolic Cytochrome c Concentration Using Carbon Quantum Dots as a Powerful Method for Apoptosis Detection. Pharmaceutics 2021; 13:pharmaceutics13101556. [PMID: 34683849 PMCID: PMC8537359 DOI: 10.3390/pharmaceutics13101556] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 09/08/2021] [Accepted: 09/20/2021] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Cytochrome c (Cyt c) is a key biomarker for early apoptosis, and many methods were designed to detect its release from mitochondria. For a proper evaluation of these programed cell death mechanisms, fluorescent nanoparticles are excellent candidates due to their valuable optical properties. Among all classes of nanoparticles developed thus far, carbon-based quantum dots bring qualitative and efficient imaging strategies for biomedical applications as a consequence of their biocompatibility and low cytotoxicity. METHODS In this study, we synthesized carbon quantum dots smaller than 5 nm from sodium citrate and polyethylene imine. These nanoparticles were rigorously characterized, and their quenching capacity in apoptotic events was assessed in A549 cells treated with staurosporine and etoposide. For the evaluation of Cyt c release, a phenomenon directly correlated with apoptotic events, we ran a semiquantitative analysis using confocal laser scanning microscopy. RESULTS Carbon quantum dots were synthesized and were successfully employed for Cyt c detection by means of fluorescence microscopy. Significant drops in fluorescence intensity were observed in the case of cells treated with apoptosis-inducing therapeutic compounds compared to untreated cells, confirming Cyt c release from mitochondria to cytosol. CONCLUSION Considering these results, we strongly believe this method can contribute to an indirect in vitro evaluation of apoptosis.
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11
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An X, Zhang Y, Wang J, Kong DM, He XW, Chen L, Zhang Y. The Preparation of CuInS 2-ZnS-Glutathione Quantum Dots and Their Application on the Sensitive Determination of Cytochrome c and Imaging of HeLa Cells. ACS OMEGA 2021; 6:17501-17509. [PMID: 34278136 PMCID: PMC8280654 DOI: 10.1021/acsomega.1c01983] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 06/18/2021] [Indexed: 06/04/2023]
Abstract
Cytochrome c (Cyt c), one of the most significant proteins acting as an electron transporter, plays an important role during the transferring process of the energy in cells. Apoptosis, one of the major forms of cell death, has been associated with various physiological regularity and pathological mechanisms. It was found that Cyt c can be released from mitochondria to cytosol under different pathological conditions, triggering subsequent cell apoptosis. Herein, we developed a fluorescence nanoprobe based on negatively charged CuInS2-ZnS-GSH quantum dots (QDs) for the sensitive determination of Cyt c. CuInS2-ZnS-GSH QDs with high photochemical stability and favorable hydrophilicity were prepared by a simple hot reflux method and emit a bright orange-red light. The electron-deficient heme group in Cyt c is affiliated with the electron-rich CuInS2-ZnS-GSH QDs through the photo-induced electron transfer process, resulting in a large decrease in fluorescence intensity of QDs. A good linearity for concentration of Cyt c in the range of 0.01-7 μmol L-1 is obtained, and the detection limit of Cyt c is as low as 1.1 nM. The performance on the detection of Cyt c in spiked human serum and fetal bovine serum samples showed good recoveries from 85.5% to 95.0%. Furthermore, CuInS2-ZnS-GSH QDs were applied for the intracellular imaging in HeLa cells showing an extremely lower toxicity and excellent biocompatibility.
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Affiliation(s)
- Xiangyang An
- College
of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Yuemei Zhang
- College
of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Jing Wang
- College
of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - De-ming Kong
- College
of Chemistry, Nankai University, Tianjin 300071, P. R. China
- Tianjin
Key Laboratory of Biosensing and Molecular Recognition, Nankai University, Tianjin 300071, P. R. China
- State
Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, P. R. China
| | - Xi-wen He
- College
of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Langxing Chen
- College
of Chemistry, Nankai University, Tianjin 300071, P. R. China
- Tianjin
Key Laboratory of Biosensing and Molecular Recognition, Nankai University, Tianjin 300071, P. R. China
- State
Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, P. R. China
| | - Yukui Zhang
- College
of Chemistry, Nankai University, Tianjin 300071, P. R. China
- Dalian
Institute of Chemical Physics, Chinese Academy
of Sciences, Dalian 116023, P. R. China
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12
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Zhang W, Liu P, Yang G, Lei H. Single Polylactic Acid Nanowire for Highly Sensitive and Multifunctional Optical Biosensing. ACS APPLIED MATERIALS & INTERFACES 2021; 13:27983-27990. [PMID: 34110765 DOI: 10.1021/acsami.1c08074] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Nanowire-based optical biosensors with high sensitivity are highly desired for the detection of biological microenvironments and analysis of cellular processes. However, the current nanowire biosensors are mostly fabricated with metal and semiconductor materials, which are not suitable for long-term use in biological environments due to their incompatible and nondegradable properties. Biosensors based on biofriendly materials (e.g., spider silk) often do not have high enough sensitivity due to high losses or micron sizes. Here, polylactic acid (PLA), a polymer with high optical transparency, good biocompatibility, biodegradability, and flexibility, is used to fabricate nanowires using a directly drawing method for the first time. Because of the strong evanescent wave and abundant carboxyl groups on the surface of nanowires, an ultralow concentration sensing of cytochrome c is achieved with a limit of detection of 1.38 × 10-17 M, which is much lower than other detection results using semiconductor/metal-based nanosensors (10-6 to 10-12 M). On this basis, a label-free and real-time monitoring of cell apoptosis is realized. In addition, by doping quantum dots, the functionalized PLA nanowires can also sense a change in pH. These results are suggestive of the potential for PLA nanowires applied in multifunctional biosensing and biodetection, pushing forward the photomedicine field.
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Affiliation(s)
- Weina Zhang
- School of Materials Science and Engineering, State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, Guangzhou 510275, China
| | - Pu Liu
- School of Materials Science and Engineering, State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, Guangzhou 510275, China
| | - Guowei Yang
- School of Materials Science and Engineering, State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, Guangzhou 510275, China
| | - Hongxiang Lei
- School of Materials Science and Engineering, State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, Guangzhou 510275, China
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13
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Razavi M, Kompany-Zareh M, Khoshkam M. PARAFAC study of L-cys@CdTe QDs interaction to BSA, cytochrome c and trypsin: An approach through electrostatic and covalent bonds. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 246:119016. [PMID: 33038854 DOI: 10.1016/j.saa.2020.119016] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 09/23/2020] [Accepted: 09/25/2020] [Indexed: 06/11/2023]
Abstract
Utilizing fluorescence spectroscopy, non-covalent and covalent interactions of L-cys@CdTe quantum dots to bovine serum albumin (BSA), cytochrome c and trypsin were investigated. L-cys@CdTe QDs with the emission maximum at 530 nm and an average diameter of 2.6 nm were synthesized in the aqueous medium. Formaldehyde, N-(3-dimethylaminopropyl)-N-ethylcarbodiimide hydrochloride (EDC) with N-hydroxysuccinimide (NHS), and glutaraldehyde was applied as cross-linkers. In the case of both electrostatic and covalent strategies PARAFAC, as a powerful multi-way chemometrics technique, was utilized to analyze fluorescence excitation-emission (EEM) spectra. For non-covalent and covalent bonding, two and three significant components composed the PARAFAC models. Resolved EEM shows that in the presence of formaldehyde, a new component with an emission peak similar to BSA was obtained. Using EDC-NHS cross-linker, the fluorescence peak of the newly formed component was in a distinct wavelength with similar emission intensity, compared to L-cys@CdTe QDs and BSA. Employing glutaraldehyde, a distinguished component was easily detected at emission wavelengths higher than that of L-cys@CdTe QDs and proteins. It was concluded that the choice of cross-linker is a critical step to create different emission spectra when dealing with nano-bio-conjugations. This study shows that glutaraldehyde cross-linker leads to increase sensitivity, selectivity, and accuracy of protein analysis.
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Affiliation(s)
- Mehri Razavi
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences, Zanjan 45137-66731, Iran
| | - Mohsen Kompany-Zareh
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences, Zanjan 45137-66731, Iran; Department of Chemistry, Dalhousie University, 6274 Coburg Road, P.O. Box 1500, Halifax, NS B3H 4R2, Canada.
| | - Maryam Khoshkam
- Department of Chemistry, ّFaculty of Science, University of Mohaghegh Ardabili, 56199-11367, Ardabil, Iran
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14
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Shen Y, Shen X, Ge J, Qu L, Li Z. A highly sensitive fluorescent biosensor for the detection of cytochrome c based on polydopamine nanotubes and exonuclease I amplification. NEW J CHEM 2021. [DOI: 10.1039/d1nj02112e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A novel fluorescence method for the detection of Cyt c was developed based on PDANTs and exonuclease I amplification.
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Affiliation(s)
- Yanmei Shen
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications
- Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Xueping Shen
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications
- Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Jia Ge
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications
- Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Lingbo Qu
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications
- Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Zhaohui Li
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications
- Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
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15
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Feng D, Liu M, Liu Y, Zhao X, Sun H, Zheng X, Zhu J, Shang F. Micheliolide suppresses the viability, migration and invasion of U251MG cells via the NF-κB signaling pathway. Oncol Lett 2020; 20:67. [PMID: 32863900 PMCID: PMC7436293 DOI: 10.3892/ol.2020.11928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Accepted: 06/16/2020] [Indexed: 11/06/2022] Open
Abstract
Micheliolide (MCL), a sesquiterpene lactone isolated from Michelia compressa and Michelia champaca, has been used previously to inhibit the NF-κB signaling pathway. MCL has exerted various therapeutic effects in numerous types of disease, such as inflammatory and cancer. However, to the best of our knowledge, its underlying anticancer mechanism remains to be understood. The present study aimed to investigate the effects of MCL on human glioma U251MG cells and to determine the potential anticancer mechanism of action of MCL. From Cell Counting Kit-8, colony formation assay, apoptosis assay and Confocal immunofluorescence imaging analysis, the results revealed that MCL significantly inhibited cell viability in vitro and induced cell apoptosis via activation of the cytochrome c/caspase-dependent apoptotic pathway. In addition, MCL also suppressed cell invasion and metastasis via the wound healing and Transwell invasion assays. Furthermore, western blot and reverse transcription PCR analyses demonstrated that MCL significantly downregulated cyclooxygenase-2 (COX-2) expression levels, which may have partially occurred through the inactivation of the NF-κB signaling pathway. In conclusion, the results of the present study indicated that MCL may inhibit glioma carcinoma growth by downregulating the NF-κB/COX-2 signaling pathway, which suggested that MCL may be a novel and alternative antitumor agent for the treatment of human glioma carcinoma.
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Affiliation(s)
- Dingkun Feng
- Department of Neurosurgery, The Affiliated Renhe Hospital, China Three Gorges University, Yichang, Hubei 443000, P.R. China
| | - Min Liu
- Department of Neurology, Xinhua Hospital affiliated to Dalian University, Dalian, Liaoning 116021, P.R. China
| | - Yanting Liu
- Department of Neurosurgery, The First College of Clinical Medical Science, China Three Gorges University & Yichang Central People's Hospital, Yichang, Hubei 443003, P.R. China.,Central Laboratory, The First College of Clinical Medical Science, China Three Gorges University & Yichang Central People's Hospital, Yichang, Hubei 443003, P.R. China
| | - Xiaojin Zhao
- Department of Gastroenterology, The Affiliated Renhe Hospital, China Three Gorges University, Yichang, Hubei 443000, P.R. China
| | - Huan Sun
- Department of Neurosurgery, The Affiliated Renhe Hospital, China Three Gorges University, Yichang, Hubei 443000, P.R. China
| | - Xu Zheng
- Department of Neurosurgery, The Affiliated Renhe Hospital, China Three Gorges University, Yichang, Hubei 443000, P.R. China
| | - Jiabin Zhu
- Department of Neurosurgery, The Affiliated Renhe Hospital, China Three Gorges University, Yichang, Hubei 443000, P.R. China.,Central Laboratory, The First College of Clinical Medical Science, China Three Gorges University & Yichang Central People's Hospital, Yichang, Hubei 443003, P.R. China
| | - Fajun Shang
- Department of Neurosurgery, The Affiliated Renhe Hospital, China Three Gorges University, Yichang, Hubei 443000, P.R. China
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16
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Wang C, Li M, Liu D. Gold-Nanoparticle-Functionalized Cobalt-Nickel Phosphate 3D Nanoice Creams to Fabricate Stable and Sensitive Biosensors for the Cytochrome c Assay. ACS APPLIED MATERIALS & INTERFACES 2020; 12:35385-35392. [PMID: 32639722 DOI: 10.1021/acsami.0c10868] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Designing a stable and sensitive luminol-based electrochemiluminescence (ECL) analytical platform in the neutral condition has attracted a lot of attention. Here, gold-nanoparticle-functionalized cobalt-nickel phosphate three-dimensional nanoice creams (Au@Co3Ni3(PO4)4 NICs) are successfully prepared via electrostatic interaction. Generally, cobalt-nickel phosphate nanoice creams (Co3Ni3(PO4)4 NICs) are synthesized via a mild hydrothermal method and functionalized via polyethylenimine (PEI). Then, Au NPs are adsorbed on the surface of Co3Ni3(PO4)4 NICs via Au-N weak interaction to fabricate Au@Co3Ni3(PO4)4 NICs. Owing to the important roles of Au@Co3Ni3(PO4)4 in exhibiting excellent electrocatalytic activity, as well as preventing the deposition of negatively charged oxidation product induced electrode passivation, luminol in the nanohybrids (LH-Au@Co3Ni3(PO4)4) gives strong and stable ECL intensity in the neutral conditions. Moreover, the ECL emission of luminol is obviously quenched based on the resonance energy transfer (RET) between luminol as donor and cytochrome c (Cyt c) as acceptor. Hence, a sensitive ECL biosensor is successfully fabricated for the quantitative determination of Cyt c in cell lysates and exhibits wide linear ranges of 1.0 × 10-4-0.5 × 10-5 and 0.5 × 10-5-1.0 × 10-8 M as well as a low detection limit of 2.48 nM. This novel sensing strategy will broaden the application of transition metal (Co, Ni) phosphates in bioassays.
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Affiliation(s)
- Caixia Wang
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Mengsi Li
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Defang Liu
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, No.174, Shapingba Main Street, Chongqing 400030, China
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17
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Khanra S, Ta S, Paladhi A, Ghosh M, Ghosh S, Hira SK, Manna PP, Brandão P, Félix V, Das D. A polynuclear Cu(ii) complex for real time monitoring of mitochondrial cytochrome C release during cellular apoptosis. Chem Commun (Camb) 2020; 56:6563-6566. [PMID: 32396594 DOI: 10.1039/d0cc01606c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A new amide-imine conjugate, 2-hydroxybenzoic acid-(2-hydroxybenzylidene)-hydrazide (L1), is employed to prepare a single crystal X-ray structurally characterized poly-nuclear Cu(ii) complex (M1). M1 selectively and spatially interacts with cytochrome C (Cyt C) to allow fluorescence imaging of intracellular translocation events in living cells. Thus, direct visualization of a Cyt C translocation event during an apoptotic process is achieved for the first time. The binding constant and LOD are 7.52 × 104 M-1 and 34.0 nM, respectively.
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Affiliation(s)
- Somnath Khanra
- Department of Chemistry, The University of Burdwan, Burdwan, WB 713104, India.
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18
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Xie R, Liu Y, Yang P, Huang L, Zou X, Liu J, Ren Q, Tao J, Zhao P. “French fries”-like luminescent metal organic frameworks for the fluorescence determination of cytochrome c released by apoptotic cells and screening of anticancer drug activity. Mikrochim Acta 2020; 187:221. [DOI: 10.1007/s00604-020-4207-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 03/02/2020] [Indexed: 01/23/2023]
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19
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Borghei YS, Hosseinkhani S. Aptamer-based colorimetric determination of early-stage apoptotic cells via the release of cytochrome c from mitochondria and by exploiting silver/platinum alloy nanoclusters as a peroxidase mimic. Mikrochim Acta 2019; 186:845. [PMID: 31768654 DOI: 10.1007/s00604-019-3977-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 10/25/2019] [Indexed: 10/25/2022]
Abstract
An enzyme-free aptameric nanosensor is presented for apoptosis assay. The method exploits the peroxidase-mimicking property of silver/platinum alloy nanoclusters (Ag/Pt NCs) and uses a Cyt c binding ssDNA aptamer. An extra-strand polycytosine (C14) aptamer was designed as a template for synthesis of the Ag/Pt NCs. If cell lysate or purified Cyt c is placed in a polystyrene microplate, Cyt c will bind to the surface of the wells of a microtiterplate. On addition of Apt@Ag/PtNCs, it will associate with Cyt c and then catalytically oxidize colorless tetramethylbenzidine (TMB) in the presence of H2O2 to give a blue colored oxidation product (TMBox) due to the peroxidase-mimicking property of the Ag/Pt NCs. Under optimal conditions, the absorbance of TMB at 660 nm is linearly enhanced as the concentration of Cyt c increases from 50.0 fM to 500 nM, and the detection limit is ~10 pM. The assay is simple, sensitive and cost effective in that it is enzyme-free, antibody-free and label-free. Graphical abstractSchematic diagram of the apoptosis assay on the basis of microplate well-coated mitochondrial cytochrome c releasing by using Aptamer@Ag/Pt NCs.
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Affiliation(s)
- Yasaman-Sadat Borghei
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Saman Hosseinkhani
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran.
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20
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Liu M, Zhou J, He Y, Cai Z, Ge Y, Zhou J, Song G. ε-Poly-L-lysine-protected Ti3C2 MXene quantum dots with high quantum yield for fluorometric determination of cytochrome c and trypsin. Mikrochim Acta 2019; 186:770. [DOI: 10.1007/s00604-019-3945-0] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 10/14/2019] [Indexed: 12/12/2022]
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21
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Highly sensitive IRS based biosensor for the determination of cytochrome c as a cancer marker by using nanoporous anodic alumina modified with trypsin. Biosens Bioelectron 2019; 149:111828. [PMID: 31726275 DOI: 10.1016/j.bios.2019.111828] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 09/10/2019] [Accepted: 10/28/2019] [Indexed: 11/21/2022]
Abstract
The determination of cytochrome c in the human serum sample is a regular medical investigation performed to assess cancer diseases. Herein, we used interferometric reflectance spectroscopy (IRS) based biosensor for the determination of cytochrome c. For this purpose first, the nanoporous anodic alumina (NAA) was fabricated. Then, the NAA pore walls were functionalized with 3-aminopropyl trimethoxy silane (NAA-NH2). Subsequently, the trypsin enzyme was immobilized on the NAA pore walls. The sensing principle of proposed IRS sensor to cytochrome c is based on a change in the intensity of the reflected light to a charge-coupled device (CCD) detector after digesting of cytochrome c by immobilized trypsin enzymes on NAA-NH2 into the heme-peptide fragment. The heme-peptide fragment then oxidized 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) to green color ABTS·- anion radical in the presence of hydrogen peroxide. The generated green color ABTS·- anion radical solution adsorbed the white light and therefore the intensity of the reflected light from NAA to the CCD decreased. The decrease in the intensity of the white light had a logarithmic relationship with the concentration of the cytochrome c in the range of 1-100 nM. The limit of detections (LOD) for cytochrome c was 0.5 nM. The proposed biosensor exhibited high selectivity, sensitivity, and good stability.
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22
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Li D, Guo J, Zhao L, Zhang G, Yan G. A label-free RTP sensor based on aptamer/quantum dot nanocomposites for cytochrome c detection. RSC Adv 2019; 9:31953-31959. [PMID: 35530815 PMCID: PMC9072719 DOI: 10.1039/c9ra05761g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 09/22/2019] [Indexed: 12/12/2022] Open
Abstract
Given the outstanding room-temperature phosphorescence (RTP) of Mn–ZnS quantum dots (QDs) and the specific recognition performance of the aptamer, we built phosphorescent composites from aptamers conjugated with polyethyleneimine quantum dots (PEI-QDs) and applied them to cytochrome c (Cyt c) detection. Specifically, QDs/CBA composites were generated from the electrostatic interaction between the positively-charged PEI-QDs and the negatively-charged Cyt c binding aptamer (CBA). With the presence of Cyt c, the Cyt c can specifically bind with the QDs/CBA composites, and quench the RTP of QDs through photoinduced electron-transfer (PIET). Thereby, an optical biosensor for Cyt c detection was built, which had a detection range of 0.166–9.96 μM and a detection limit of 0.084 μM. This aptamer-mediated phosphorescent sensor with high specificity and operational simplicity can effectively avoid the interference of scattering light from complex substrates. Our findings offer a new clue for building biosensors based on QDs and aptamers. In this study, the nanocomposites from polyethyleneimine-capped Mn-doped ZnS QDs (PEI-QDs) and Cyt c binding aptamer (CBA) were prepared and used as Cyt c RTP sensors..![]()
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Affiliation(s)
- Dongxia Li
- Shanxi Normal University Linfen 041004 P. R. China
| | - Junping Guo
- Shanxi Normal University Linfen 041004 P. R. China
| | - Liang Zhao
- Shanxi Normal University Linfen 041004 P. R. China
| | | | - Guiqin Yan
- Shanxi Normal University Linfen 041004 P. R. China
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23
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Yang B, Zhang S, Fang X, Kong J. Double signal amplification strategy for ultrasensitive electrochemical biosensor based on nuclease and quantum dot-DNA nanocomposites in the detection of breast cancer 1 gene mutation. Biosens Bioelectron 2019; 142:111544. [PMID: 31376717 DOI: 10.1016/j.bios.2019.111544] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 07/20/2019] [Accepted: 07/26/2019] [Indexed: 12/21/2022]
Abstract
Rapid and efficient detection of microRNA (miRNA) of breast cancer 1 gene mutation (BRCA1) at their earliest stages is one of the crucial challenges in cancer diagnostics. In this study, a highly-sensitive electrochemical DNA biosensor was fabricated by double signal amplification (DSA) strategy for the detection of ultra-trace miRNA of BRCA1. In the presence of target miRNA of BRCA1, the well-matched RNA-DNA duplexes were specifically recognized by double-strand specific nuclease (DSN), and the DNA part of the duplexes were then cleaved and miRNAs were released to trigger another following cycle, which produced a primarily amplified signal by such a cyclic enzymatic signal amplification (CESA). Then triple-CdTe quantum dot labelled DNA nanocomposites (3-QD@DNA NC) was selectively hybridized with the cleaved DNA probe on the electrode and produced multiply amplified signals. The biosensor exhibited a high sensitivity for the detection of miRNA of BRCA1 in concentrations ranging from 5 aM to 5 fM, and its detection limit of 1.2 aM was obtained, which is two or three orders of magnitude lower than those by single signal amplification strategy such as CESA or QD-labeled DNA probes. The as-prepared biosensor was successfully used to detect the miRNA of BRCA1 in human serum samples with acceptable stability, good reproducibility, and good recovery. The proposed DNA biosensor based on double signal amplification strategy provided a feasible, rapid, and sensitive platform for early clinical diagnosis and practical applications.
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Affiliation(s)
- Bin Yang
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200438, PR China
| | - Song Zhang
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200438, PR China.
| | - Xueen Fang
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200438, PR China
| | - Jilie Kong
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200438, PR China.
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24
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Zhang J, Ma X, Wang Z. Surface-Enhanced Raman Scattering-Fluorescence Dual-Mode Nanosensors for Quantitative Detection of Cytochrome c in Living Cells. Anal Chem 2019; 91:6600-6607. [PMID: 31026147 DOI: 10.1021/acs.analchem.9b00480] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
During apoptosis process, the release of cytochrome c (Cyt c) is considered to be a key factor in the intrinsic pathway and is often defined as no regression point. Quantitative detection of intracellular Cyt c remains a challenge. Herein, we have developed surface-enhanced Raman scattering (SERS)-fluorescence dual-mode nanosensors for the quantitative assay of Cyt c in living cells. Dual signal detection was achieved by constructing gold nanotriangles (AuNTs) nanosensors capable of specifically recognizing Cyt c. The nanosensors were prepared by modifying the aptamer of Cyt c on AuNTs and connecting the complementary strands modified with Cy5. The AuNTs provided both enhanced SERS signals and fluorescence quenching effects. Once cells were induced by external stimulus (such as toxins) to release Cyt c, Cyt c would specifically bind to its aptamer, and the complementary strands modified with Cy5 would detach which would result in weakened SERS signal and recovery of fluorescence signal. The experimental results showed that the nanosensors not only had excellent selectivity and sensitivity but also realized real-time monitoring of Cyt c translocation event from mitochondria to cytoplasm. The SERS and fluorescence intensity showed good linear relationship with Cyt c concentration ranging from 0.044 to 9.95 μM and achieved a minimum limit of detection (LOD) of 0.02 μM in living cells. The accuracy of intracellular Cyt c quantitative results was more than 90% compared with the ELISA results.
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Affiliation(s)
- Jingna Zhang
- State Key Laboratory of Food Science and Technology , Jiangnan University , Wuxi 214122 , P.R. China.,School of Food Science and Technology , Jiangnan University , Wuxi 214122 , P.R. China.,International Joint Laboratory on Food Safety , Jiangnan University , Wuxi 214122 , P.R. China
| | - Xiaoyuan Ma
- State Key Laboratory of Food Science and Technology , Jiangnan University , Wuxi 214122 , P.R. China.,School of Food Science and Technology , Jiangnan University , Wuxi 214122 , P.R. China.,International Joint Laboratory on Food Safety , Jiangnan University , Wuxi 214122 , P.R. China
| | - Zhouping Wang
- State Key Laboratory of Food Science and Technology , Jiangnan University , Wuxi 214122 , P.R. China.,School of Food Science and Technology , Jiangnan University , Wuxi 214122 , P.R. China.,International Joint Laboratory on Food Safety , Jiangnan University , Wuxi 214122 , P.R. China.,School of Food Science and Technology, National Engineering Research Center of Seafood , Dalian Polytechnic University , Dalian 116024 , P.R. China
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25
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Cai M, Ding C, Cao X, Wang F, Zhang C, Xian Y. Label-free fluorometric assay for cytochrome c in apoptotic cells based on near infrared Ag2S quantum dots. Anal Chim Acta 2019; 1056:153-160. [DOI: 10.1016/j.aca.2019.01.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 12/16/2018] [Accepted: 01/05/2019] [Indexed: 02/07/2023]
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26
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Liu Y, Mao G, Wang W, Tian S, Ji X, Liu M, He Z. In situ synthesis of photoluminescence-quenching nanopaper for rapid and robust detection of pathogens and proteins. Chem Commun (Camb) 2019; 55:2660-2663. [PMID: 30742193 DOI: 10.1039/c8cc09991j] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A green and facile method is presented for in situ synthesis of a novel photoluminescence-quenching nanopaper with a highly-efficient quenching ability, rapid reaction time and long-term storage. The as-prepared nanopaper is further used to construct an aptasensor platform with high performance, rapidness and robustness.
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Affiliation(s)
- Yucheng Liu
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China.
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27
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Zhao Y, Cui L, Sun Y, Zheng F, Ke W. Ag/CdO NP-Engineered Magnetic Electrochemical Aptasensor for Prostatic Specific Antigen Detection. ACS APPLIED MATERIALS & INTERFACES 2019; 11:3474-3481. [PMID: 30586282 DOI: 10.1021/acsami.8b18887] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A simple magnetic electrochemical aptasensor was established for the detection of prostatic specific antigen (PSA). Ag/CdO nanoparticles (NPs) were fabricated and exhibited strong electroreduction peaks at -1.07 V, attributing to the electron transfer from Cd2+ to Cd0 and the superior electron transportation of Ag. Aptamer-modified Ag/CdO NPs were assembled on the surface of superparamagnetic Fe3O4/graphene oxide nanosheets (GO/Fe3O4 NSs) through the hydrophobic and π-π stacking interaction of aptamers and GO NSs. These assemblies possessed superior electroactive properties, efficient electron transfer, and superparamagnetic response and could serve as sensing units for PSA detection with the aid of a magnetic electrode. With increasing concentrations of PSA, the high affinity of aptamers to PSA enabled the dissociation of Ag/CdO NPs from GO/Fe3O4 NSs, decreasing the intensity of electroreduction peaks. The Ag/CdO NP-engineered magnetic electrochemical aptasensor achieved sensitive and accurate detection of PSA in the range of 50 pg/mL to 50 ng/mL. The limit of detection (LOD) was as low as 28 pg/mL. This developed protocol can be extended to a large set of strong electroactive labels for reliable tumor biomarker detection with high sensitivity and specificity.
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Affiliation(s)
- Yuan Zhao
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering , Jiangnan University , Wuxi , Jiangsu 214122 , China
| | - Linyan Cui
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering , Jiangnan University , Wuxi , Jiangsu 214122 , China
| | - Yali Sun
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering , Jiangnan University , Wuxi , Jiangsu 214122 , China
| | - Fangjie Zheng
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering , Jiangnan University , Wuxi , Jiangsu 214122 , China
| | - Wei Ke
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering , Jiangnan University , Wuxi , Jiangsu 214122 , China
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28
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Qi G, Li H, Zhang Y, Li C, Xu S, Wang M, Jin Y. Smart Plasmonic Nanorobot for Real-Time Monitoring Cytochrome c Release and Cell Acidification in Apoptosis during Electrostimulation. Anal Chem 2018; 91:1408-1415. [PMID: 30457829 DOI: 10.1021/acs.analchem.8b04027] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Cytochrome c (Cyt c) release and cellular pH change are two important mediators of apoptosis. Effective methods to regulate or monitor such two events are therefore highly desired for apoptosis research and cancer cell therapy. Herein, we exploited electrostimulation to regulate cellular Cyt c release and apoptosis process, and by designing and preparing a smart and efficient plasmonic nanorobot (with surface-modified Cyt c-specific aptamer and 4-mercaptobenzoic acid) that is capable of Cyt c capture and self-sensing, we achieved real-time SERS monitoring of dynamic Cyt c release and simultaneous cell acidification in apoptosis during electrostimulation. Distinctly different molecular stress responses in the two events for cancerous MCF-7 and HeLa cells and normal L929 cells were identified and revealed. The method and results are valuable and promising for apoptosis and Cyt c-mediated biology studies.
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Affiliation(s)
- Guohua Qi
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , Jilin P. R. China.,University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
| | - Haijuan Li
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , Jilin P. R. China
| | - Ying Zhang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , Jilin P. R. China.,University of Science and Technology of China , Hefei 230026 , P. R. China
| | - Chuanping Li
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , Jilin P. R. China.,University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
| | - Shuping Xu
- State Key Laboratory of Supramolecular Structure and Materials , Jilin University , 2699 Qianjin Avenue , Changchun 130012 , P. R. China
| | - Minmin Wang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , Jilin P. R. China.,University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
| | - Yongdong Jin
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , Jilin P. R. China
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29
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Peng Y, Wang Y, Tang N, Sun D, Lan Y, Yu Z, Zhao X, Feng L, Zhang B, Jin L, Yu F, Ma X, Lv C. Andrographolide inhibits breast cancer through suppressing COX-2 expression and angiogenesis via inactivation of p300 signaling and VEGF pathway. J Exp Clin Cancer Res 2018; 37:248. [PMID: 30314513 PMCID: PMC6186120 DOI: 10.1186/s13046-018-0926-9] [Citation(s) in RCA: 103] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 10/02/2018] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Andrographolide (Andro), a diterpenoid lactone, has been used for treatment of various cancers with less adverse effects. However, the underlying mechanisms regarding its anti-tumor mechanism still remain unclear. METHODS Cell viability and proliferation were measured by CCK8 and CFSE dilution assay. The localization of p50/p65 or cytochrome c was determined using confocal immunofluorescence. Streptavidin-agarose pulldown or ChIP assays were used to detect the binding of multiple transactivators to COX-2 promoter. The promoter activity was examined by a dual-Luciferase reporter assay. The functions of Andro on COX-2-mediated angiogenesis were also investigated using human HUVEC cells through tube formation and spheroids sprouting assay. The in vivo anti-tumor efficacy of Andro was analyzed in xenografts nude mice. RESULTS The results indicated that Andro could significantly inhibit the proliferation of human breast cancers, and suppress COX-2 expression at both protein and mRNA levels. Furthermore, Andro could dose-dependently inhibit COX-2-mediated angiogenesis in human endothelial cells. We have also found that Andro significantly promoted the activation of cytochrome c and activated caspase-dependent apoptotic signaling pathway. Our further explorations demonstrated that Andro inhibited the binding of the transactivators CREB2, C-Fos and NF-κB and blocked the recruitment of coactivator p300 to COX-2 promoter. Moreover, Andro could effectively inhibit the activity of p300 histone acetyltransferase (HAT), thereby attenuating the p300-mediated acetylation of NF-κB. Besides, Andro could also dramatically inhibit the migration, invasion and tubulogenesis of HUVECs in vitro. In addition, Andro also exhibited effective anti-tumor efficacy as well as angiogenesis inhibition in vivo. CONCLUSION In current study, we explore the potential effects of Andro in suppressing breast cancer growth and tumor angiogenesis, as well as the precise mechanisms. This work demonstrated the potential anti-cancer effects of Andro, indicating that Andro could inhibit COX-2 expression through attenuating p300 HAT activity and suppress angiogenesis via VEGF pathway, and thereby could be developed as an antitumor agent for the treatment of breast cancer.
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Affiliation(s)
- Yulin Peng
- Institute of Integrative Medicine, College of Pharmacy, College of Basic Medical Science, Dalian Medical University, Dalian, 116044 China
| | - Yan Wang
- Institute of Integrative Medicine, College of Pharmacy, College of Basic Medical Science, Dalian Medical University, Dalian, 116044 China
| | - Ning Tang
- Institute of Integrative Medicine, College of Pharmacy, College of Basic Medical Science, Dalian Medical University, Dalian, 116044 China
- Department of Integrative Medicine, Liaoning University of Traditional Chinese Medicine Xinglin College, Shenyang, 110167 China
| | - Dongdong Sun
- Institute of Integrative Medicine, College of Pharmacy, College of Basic Medical Science, Dalian Medical University, Dalian, 116044 China
| | - Yulong Lan
- Institute of Integrative Medicine, College of Pharmacy, College of Basic Medical Science, Dalian Medical University, Dalian, 116044 China
| | - Zhenlong Yu
- Institute of Integrative Medicine, College of Pharmacy, College of Basic Medical Science, Dalian Medical University, Dalian, 116044 China
- Emergency Department, The Second Affiliated Hospital of Hainan Medical University, Haikou, 571199 China
| | - Xinyu Zhao
- Institute of Integrative Medicine, College of Pharmacy, College of Basic Medical Science, Dalian Medical University, Dalian, 116044 China
| | - Lei Feng
- Institute of Integrative Medicine, College of Pharmacy, College of Basic Medical Science, Dalian Medical University, Dalian, 116044 China
- Emergency Department, The Second Affiliated Hospital of Hainan Medical University, Haikou, 571199 China
| | - Baojing Zhang
- Institute of Integrative Medicine, College of Pharmacy, College of Basic Medical Science, Dalian Medical University, Dalian, 116044 China
| | - Lingling Jin
- Institute of Integrative Medicine, College of Pharmacy, College of Basic Medical Science, Dalian Medical University, Dalian, 116044 China
| | - Fabiao Yu
- Emergency Department, The Second Affiliated Hospital of Hainan Medical University, Haikou, 571199 China
| | - Xiaochi Ma
- Institute of Integrative Medicine, College of Pharmacy, College of Basic Medical Science, Dalian Medical University, Dalian, 116044 China
- Emergency Department, The Second Affiliated Hospital of Hainan Medical University, Haikou, 571199 China
| | - Chuanzhu Lv
- Emergency Department, The Second Affiliated Hospital of Hainan Medical University, Haikou, 571199 China
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30
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Yuphintharakun N, Nurerk P, Chullasat K, Kanatharana P, Davis F, Sooksawat D, Bunkoed O. A nanocomposite optosensor containing carboxylic functionalized multiwall carbon nanotubes and quantum dots incorporated into a molecularly imprinted polymer for highly selective and sensitive detection of ciprofloxacin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 201:382-391. [PMID: 29775931 DOI: 10.1016/j.saa.2018.05.034] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Revised: 05/04/2018] [Accepted: 05/08/2018] [Indexed: 06/08/2023]
Abstract
A nanocomposite optosensor consisting of carboxylic acid functionalized multiwall carbon nanotubes and CdTe quantum dots embedded inside a molecularly imprinted polymer (COOH@MWCNT-MIP-QDs) was developed for trace ciprofloxacin detection. The COOH@MWCNT-MIP-QDs were synthesized through a facile sol-gel process using ciprofloxacin as a template molecule, 3-aminopropylethoxysilane as a functional monomer and tetraethoxysilane as a cross-linker at a molar ratio of 1:8:20. The synthesized nanocomposite optosensor had high sensitivity, excellent specificity and high binding affinity to ciprofloxacin. Under optimal conditions, the fluorescence intensity of the optosensor decreased in a linear fashion with the concentration of ciprofloxacin and two linear dynamic ranges were obtained, 0.10-1.0 μg L-1 and 1.0-100.0 μg L-1 with a very low limit of detection of 0.066 μg L-1. The imprinting factors of the two linear range were 17.67 and 4.28, respectively. The developed nanocomposite fluorescence probe was applied towards the determination of ciprofloxacin levels in chicken muscle and milk samples with satisfactory recoveries being obtained in the range of 82.6 to 98.4%. The results were also in good agreement with a HPLC method which indicates that the optosensor can be used as a sensitive, selective and rapid method to detect ciprofloxacin in chicken and milk samples.
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Affiliation(s)
- Naphat Yuphintharakun
- Trace Analysis and Biosensor Research Center, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand; Center of Excellence for Innovation in Chemistry, Department of Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand
| | - Piyaluk Nurerk
- Trace Analysis and Biosensor Research Center, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand; Center of Excellence for Innovation in Chemistry, Department of Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand
| | - Kochaporn Chullasat
- Trace Analysis and Biosensor Research Center, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand; Center of Excellence for Innovation in Chemistry, Department of Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand
| | - Proespichaya Kanatharana
- Trace Analysis and Biosensor Research Center, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand; Center of Excellence for Innovation in Chemistry, Department of Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand
| | - Frank Davis
- University of Chichester, College Lane, Chichester, West Sussex P019 6PE, UK
| | - Dhassida Sooksawat
- Trace Analysis and Biosensor Research Center, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand; Center of Excellence for Innovation in Chemistry, Department of Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand
| | - Opas Bunkoed
- Trace Analysis and Biosensor Research Center, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand; Center of Excellence for Innovation in Chemistry, Department of Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand.
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31
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Pu G, Zhang D, Mao X, Zhang Z, Wang H, Ning X, Lu X. Biomimetic Interfacial Electron-Induced Electrochemiluminesence. Anal Chem 2018; 90:5272-5279. [DOI: 10.1021/acs.analchem.8b00165] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Guiqiang Pu
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, People’s Republic of China
| | - Dongxu Zhang
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, People’s Republic of China
| | - Xiang Mao
- Tianjin Key Laboratory of Molecular Optoelectronic, Department of Chemistry, Tianjin University, Tianjin 300072, People’s Republic of China
| | - Zhen Zhang
- Tianjin Key Laboratory of Molecular Optoelectronic, Department of Chemistry, Tianjin University, Tianjin 300072, People’s Republic of China
| | - Huan Wang
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, People’s Republic of China
| | - Xingming Ning
- Tianjin Key Laboratory of Molecular Optoelectronic, Department of Chemistry, Tianjin University, Tianjin 300072, People’s Republic of China
| | - Xiaoquan Lu
- Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, People’s Republic of China
- Tianjin Key Laboratory of Molecular Optoelectronic, Department of Chemistry, Tianjin University, Tianjin 300072, People’s Republic of China
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