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Sun H, Fu B, Qian X, Xu P, Qin W. Nuclear and cytoplasmic specific RNA binding proteome enrichment and its changes upon ferroptosis induction. Nat Commun 2024; 15:852. [PMID: 38286993 PMCID: PMC10825125 DOI: 10.1038/s41467-024-44987-9] [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: 06/21/2022] [Accepted: 01/11/2024] [Indexed: 01/31/2024] Open
Abstract
The key role of RNA-binding proteins (RBPs) in posttranscriptional regulation of gene expression is intimately tied to their subcellular localization. Here, we show a subcellular-specific RNA labeling method for efficient enrichment and deep profiling of nuclear and cytoplasmic RBPs. A total of 1221 nuclear RBPs and 1333 cytoplasmic RBPs were enriched and identified using nuclear/cytoplasm targeting enrichment probes, representing an increase of 54.4% and 85.7% compared with previous reports. The probes were further applied in the omics-level investigation of subcellular-specific RBP-RNA interactions upon ferroptosis induction. Interestingly, large-scale RBPs display enhanced interaction with RNAs in nucleus but reduced association with RNAs in cytoplasm during ferroptosis process. Furthermore, we discovered dozens of nucleoplasmic translocation candidate RBPs upon ferroptosis induction and validated representative ones by immunofluorescence imaging. The enrichment of Tricarboxylic acid cycle in the translocation candidate RBPs may provide insights for investigating their possible roles in ferroptosis induced metabolism dysregulation.
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Affiliation(s)
- Haofan Sun
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, 102206, China
| | - Bin Fu
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, 102206, China
| | - Xiaohong Qian
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, 102206, China
| | - Ping Xu
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, 102206, China
| | - Weijie Qin
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, 102206, China.
- College of Chemistry and Materials Science, Hebei University, Baoding, 071002, China.
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2
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Yang J, Ma M, Wang N, Liu L, Zhao C, Li J, Chen Y, Ma P, Song D. Spindle Monitor: A Tool for Real-Time Assessment and Concurrent Treatment of Postoperative Tumor Prognosis. Anal Chem 2023; 95:17654-17661. [PMID: 37972234 DOI: 10.1021/acs.analchem.3c03403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
Cancer surgery remains a mainstay in clinical treatment. However, the efficacy of subsequent therapies largely depends on the precise evaluation of postoperative prognoses, underscoring the critical need for a comprehensive and accurate assessment of surgical outcomes. Nanoprobes targeting tumors offer a promising solution for visual prognostic assessment. In this study, we developed a "Spindle Monitor" system, designated as APPADs (Au NBPs@PDA-pep-AS1411-Dox), composed of core-shell nanoparticles. The core was made up of gold nanobipyramids (Au NBPs), coated with polydopamine (PDA), and subsequently loaded with peptide chains, AS1411, and doxorubicin (Dox). Upon deployment in the acidic tumor microenvironment (TME), APPADs released substantial amounts of Dox, initiating the apoptotic process. This triggered the activity of caspase-3, which is a crucial executor in the apoptotic pathway. Consequently, DEVD, a specific recognition site for caspase-3, was cleaved, enabling the disconnection of FITC-conjugated peptide chains and the recovery of fluorescence. Through assessing this fluorescence imaging effect, local laser irradiation could be precisely guided to the postoperative site, facilitating a synergistic combination of photothermal therapy and chemotherapy. Specifically, our "Spindle Monitor" APPADs had been validated to achieve accurate fluorescence imaging in vitro and in vivo, which demonstrated its potential value as a versatile tool for evaluating postoperative prognosis in surgical treatments, such as thyroid cancer, and assessing chemotherapy efficacy in difficult cases, like late-stage osteosarcoma. This promising tool lays a good foundation for development in visual prognosis evaluation after tumor surgery.
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Affiliation(s)
- Jukun Yang
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Mo Ma
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, China
- School of Pharmacy, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Ningfei Wang
- Intellectual Property Protection Center of Inner Mongolia Autonomous Region, Hohhot 010020, China
| | - Lin Liu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Chen Zhao
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Jingkang Li
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Yuxuan Chen
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Pinyi Ma
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, China
| | - Daqian Song
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, China
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3
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Xu L, Du X, Liu T, Sun D. In situ and dynamic SERS monitoring of glutathione levels during cellular ferroptosis metabolism. Anal Bioanal Chem 2023; 415:6145-6153. [PMID: 37644323 DOI: 10.1007/s00216-023-04909-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 08/04/2023] [Accepted: 08/07/2023] [Indexed: 08/31/2023]
Abstract
Ferroptosis is a non-apoptotic cell death regulated by iron-dependent lipid peroxidation. Glutathione (GSH), a key antioxidant against oxidative damage, is involved in one of the most important metabolic pathways of ferroptosis. Herein, an excellent plasmonic nanoprobe was developed for highly sensitive, in situ, dynamic real-time monitoring of intracellular GSH levels during ferroptosis. A nanoprobe was prepared by functionalizing gold nanoparticles (AuNPs) with the probe molecule crystal violet (CV). The fluctuation in the SERS signal intensity of CV via the competitive displacement reaction can be used to detect GSH. The advantages of the plasmonic nanoprobe including low-cost production techniques, outstanding stability and biocompatibility, high specificity and sensitivity towards GSH with a detection limit of 0.05 μM. It enables real-time dynamic monitoring of GSH levels in living cells during erastin-induced ferroptosis. This approach is expected to provide important theoretical support for elucidating the GSH-related ferroptosis metabolic mechanism and advancing our understanding of ferroptosis-based cancer therapy. Overview of the workflow of sensing principle for highly sensitive, in situ and dynamic tracking of intracellular GSH levels during drug-triggered ferroptosis process.
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Affiliation(s)
- Lixing Xu
- School of Pharmacy, Nantong University, Nantong, 226001, Jiangsu, China
| | - Xing Du
- School of Pharmacy, Nantong University, Nantong, 226001, Jiangsu, China
| | - Tianqing Liu
- NICM Health Research Institute, Western Sydney University, Westmead, NSW, 2145, Australia.
| | - Dan Sun
- School of Pharmacy, Nantong University, Nantong, 226001, Jiangsu, China.
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Quagliarini E, Pozzi D, Cardarelli F, Caracciolo G. The influence of protein corona on Graphene Oxide: implications for biomedical theranostics. J Nanobiotechnology 2023; 21:267. [PMID: 37568181 PMCID: PMC10416361 DOI: 10.1186/s12951-023-02030-x] [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: 05/27/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023] Open
Abstract
Graphene-based nanomaterials have attracted significant attention in the field of nanomedicine due to their unique atomic arrangement which allows for manifold applications. However, their inherent high hydrophobicity poses challenges in biological systems, thereby limiting their usage in biomedical areas. To address this limitation, one approach involves introducing oxygen functional groups on graphene surfaces, resulting in the formation of graphene oxide (GO). This modification enables improved dispersion, enhanced stability, reduced toxicity, and tunable surface properties. In this review, we aim to explore the interactions between GO and the biological fluids in the context of theranostics, shedding light on the formation of the "protein corona" (PC) i.e., the protein-enriched layer that formed around nanosystems when exposed to blood. The presence of the PC alters the surface properties and biological identity of GO, thus influencing its behavior and performance in various applications. By investigating this phenomenon, we gain insights into the bio-nano interactions that occur and their biological implications for different intents such as nucleic acid and drug delivery, active cell targeting, and modulation of cell signalling pathways. Additionally, we discuss diagnostic applications utilizing biocoronated GO and personalized PC analysis, with a particular focus on the detection of cancer biomarkers. By exploring these cutting-edge advancements, this comprehensive review provides valuable insights into the rapidly evolving field of GO-based nanomedicine for theranostic applications.
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Affiliation(s)
- Erica Quagliarini
- NanoDelivery Lab, Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 291, 00161, Rome, Italy
| | - Daniela Pozzi
- NanoDelivery Lab, Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 291, 00161, Rome, Italy
| | - Francesco Cardarelli
- NEST Laboratory, Scuola Normale Superiore, Piazza San Silvestro 12, 56127, Pisa, Italy
| | - Giulio Caracciolo
- NanoDelivery Lab, Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 291, 00161, Rome, Italy.
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Nejad ZK, Khandar AA, Khatamian M, Ghorbani M. Investigating of the anticancer activity of salen/salophen metal complexes based on graphene quantum dots: Induction of apoptosis as part of biological activity. Int J Pharm 2023; 642:123092. [PMID: 37247700 DOI: 10.1016/j.ijpharm.2023.123092] [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: 12/28/2022] [Revised: 05/25/2023] [Accepted: 05/26/2023] [Indexed: 05/31/2023]
Abstract
This research work is the first report on the synthesis and stabilization of [Fe-Salophen] and [Fe-Salen] complexes by two methods of surface modification and anchoring of synthesized Schiff base ligand on the surface of graphene quantum dots (GQDs). The GQDs contain oxygenated functional groups that can act as non-radiative electron-hole recombination centers. Therefore removing these oxygen functional groups may improve quantum yield by reducing or deactivating the surface. In this work, GQDs with the amine functional group were synthesized with a quantum yield of 37.48%. The physicochemical properties of GQDs were investigated by Ultraviolet-visible (UV-Vis) and fluorescence spectroscopies, Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (FESEM), X-ray photoelectron spectroscopy (XPS), Powder X-ray diffraction (PXRD), Transmission electron microscope (TEM). The synthesis of GQDs-[Fe-Salen] and GQDs-[Fe-Salophen] was evaluated by FT-IR, Inductively coupled plasma atomic emission spectroscopy (ICP-AES) and Energy dispersive X-Ray analysis (EDX) analyses. Then, using MTT- assay, annexin V-FITC/PI, DAPI staining and cellular uptake assays, the biochemical activity of these complexes on the MCF7 cell line was investigated. The results shows that GQDs-[Fe-Salen] and GQDs-[Fe-Salophen] affect the survival of MCF7 cancer cells and, by nuclear fragmentation cause 35.77% and 19.41% of early apoptosis in cells, respectively. Also was found cellular uptake of GQDs-[Fe-Salen] is higher than that of GQDs-[Fe-Salophen].
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Affiliation(s)
| | | | | | - Marjan Ghorbani
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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6
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Li R, Liu C, Wan C, Liu T, Zhang R, Du J, Wang X, Jiao X, Gao R, Li B. A Targeted and pH-Responsive Nano-Graphene Oxide Nanoparticle Loaded with Doxorubicin for Synergetic Chemo-Photothermal Therapy of Oral Squamous Cell Carcinoma. Int J Nanomedicine 2023; 18:3309-3324. [PMID: 37351329 PMCID: PMC10284161 DOI: 10.2147/ijn.s402249] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 06/06/2023] [Indexed: 06/24/2023] Open
Abstract
Purpose Oral squamous cell carcinoma (OSCC) is a malignant disease with serious impacts on human health and quality of life worldwide. This disease is traditionally treated through a combination of surgery, radiotherapy, and chemotherapy. However, the efficacy of traditional treatments is hindered by systemic toxicity, limited therapeutic effects, and drug resistance. Fibroblast activation protein (FAP) is a membrane-bound protease. Although FAP has limited expression in normal adult tissues, it is highly expressed in the tumor microenvironment of many solid cancers - a characteristic that makes it an ideal target for anticancer therapy. In this study, we constructed a nano-drug delivery system (NPF@DOX) targeting FAP to increase the therapeutic efficiency of synergistic chemo-photothermal therapy against OSCC. Methods We utilized PEGylated nano-graphene oxide (NGO) to link doxorubicin (DOX) and fluorescently-labeled, FAP-targeted peptide chains via hydrogen bonding and π-π bonding to enhance the targeting capability of NPF@DOX. The synthesis of NPF@DOX was analyzed using UV-Vis and FT-IR spectroscopy and its morphology using transmission electron microscopy (TEM). Additionally, the drug uptake efficiency in vitro, photo-thermal properties, release performance, and anti-tumor effects of NPF@DOX were evaluated and further demonstrated in vivo. Results Data derived from FT-IR, UV-Vis, and TEM implied successful construction of the NPF@DOX nano-drug delivery system. Confocal laser scanning microscopy images and in vivo experiments demonstrated the targeting effects of FAP on OSCC. Furthermore, NPF@DOX exhibited a high photothermal conversion efficiency (52.48%) under near-infrared radiation. The thermogenic effect of NPF@DOX simultaneously promoted local release of DOX and apoptosis based on a pH-stimulated effect. Importantly, FAP-targeted NPF@DOX in combination with PTT showed better tumor suppression performance in vivo and in vitro than did either therapy individually. Conclusion NPF@DOX can precisely target OSCC, and combined treatment with chemical and photothermal therapy can improve the therapeutic outcomes of OSCC. This method serves as an efficient therapeutic strategy for the development of synergistic anti-tumor research.
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Affiliation(s)
- Ran Li
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
- Department of Pediatric and Preventive Dentistry, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
| | - Chen Liu
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
- Department of Pediatric and Preventive Dentistry, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
| | - Chaoqiong Wan
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
- Department of Pediatric and Preventive Dentistry, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
| | - Tiantian Liu
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
- Department of Pediatric and Preventive Dentistry, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
| | - Rongrong Zhang
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
- Department of Pediatric and Preventive Dentistry, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
| | - Jie Du
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
| | - Xiangyu Wang
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
- Department of Pediatric and Preventive Dentistry, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
| | - Xiaofeng Jiao
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
- Department of Pediatric and Preventive Dentistry, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
| | - Ruifang Gao
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
- Department of Pediatric and Preventive Dentistry, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
| | - Bing Li
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan, Shanxi, People’s Republic of China
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Ma X, Lv Y, Liu P, Hao Y, Xia N. Switch-on Fluorescence Analysis of Protease Activity with the Assistance of a Nickel Ion-Nitrilotriacetic Acid-Conjugated Magnetic Nanoparticle. Molecules 2023; 28:molecules28083426. [PMID: 37110659 PMCID: PMC10144723 DOI: 10.3390/molecules28083426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/07/2023] [Accepted: 04/10/2023] [Indexed: 04/29/2023] Open
Abstract
Heterogeneous protease biosensors show high sensitivity and selectivity but usually require the immobilization of peptide substrates on a solid interface. Such methods exhibit the disadvantages of complex immobilization steps and low enzymatic efficiency induced by steric hindrance. In this work, we proposed an immobilization-free strategy for protease detection with high simplicity, sensitivity and selectivity. Specifically, a single-labeled peptide with oligohistidine-tag (His-tag) was designed as the protease substrate, which can be captured by a nickel ion-nitrilotriacetic acid (Ni-NTA)-conjugated magnetic nanoparticle (MNP) through the coordination interaction between His-tag and Ni-NTA. When the peptide was digested by protease in a homogeneous solution, the signal-labeled segment was released from the substrate. The unreacted peptide substrates could be removed by Ni-NTA-MNP, and the released segments remained in solution to emit strong fluorescence. The method was used to determine protease of caspase-3 with a low detection limit (4 pg/mL). By changing the peptide sequence and signal reporters, the proposal could be used to develop novel homogeneous biosensors for the detection of other proteases.
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Affiliation(s)
- Xiaohua Ma
- Henan Key Laboratory of Biomolecular Recognition and Sensing, Shangqiu Normal University, Shangqiu 476000, China
| | - Yingxin Lv
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Panpan Liu
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Yuanqiang Hao
- Henan Key Laboratory of Biomolecular Recognition and Sensing, Shangqiu Normal University, Shangqiu 476000, China
| | - Ning Xia
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
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8
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Innovations in the synthesis of graphene nanostructures for bio and gas sensors. BIOMATERIALS ADVANCES 2023; 145:213234. [PMID: 36502548 DOI: 10.1016/j.bioadv.2022.213234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 11/11/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022]
Abstract
Sensors play a significant role in modern technologies and devices used in industries, hospitals, healthcare, nanotechnology, astronomy, and meteorology. Sensors based upon nanostructured materials have gained special attention due to their high sensitivity, precision accuracy, and feasibility. This review discusses the fabrication of graphene-based biosensors and gas sensors, which have highly efficient performance. Significant developments in the synthesis routes to fabricate graphene-based materials with improved structural and surface properties have boosted their utilization in sensing applications. The higher surface area, better conductivity, tunable structure, and atom-thick morphology of these hybrid materials have made them highly desirable for the fabrication of flexible and stable sensors. Many publications have reported various modification approaches to improve the selectivity of these materials. In the current work, a compact and informative review focusing on the most recent developments in graphene-based biosensors and gas sensors has been designed and delivered. The research community has provided a complete critical analysis of the most robust case studies from the latest fabrication routes to the most complex challenges. Some significant ideas and solutions have been proposed to overcome the limitations regarding the field of biosensors and hazardous gas sensors.
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9
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Kadhim MM, Rheima AM, Abbas ZS, Jlood HH, Hachim SK, Kadhum WR, Kianfar E. Evaluation of a biosensor-based graphene oxide-DNA nanohybrid for lung cancer. RSC Adv 2023; 13:2487-2500. [PMID: 36741187 PMCID: PMC9843741 DOI: 10.1039/d2ra05808a] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 01/05/2023] [Indexed: 01/18/2023] Open
Abstract
Lung cancer is nowadays among the most prevalent diseases worldwide and features the highest mortality rate among various cancers, indicating that early diagnosis of the disease is of paramount importance. Given that the conventional methods of cancer detection are expensive and time-consuming, special attention has been paid to the provision of less expensive and faster techniques. In recent years, the dramatic advances in nanotechnology and the development of various nanomaterials have led to activities in this context. Recent studies indicate that the graphene oxide (GO) nanomaterial has high potential in the design of nano biosensors for lung cancer detection owing to its unique properties. In the current article, a nano biosensor based on a DNA-GO nanohybrid is introduced to detect deletion mutations causing lung cancer. In this method, mutations were detected using a FAM-labeled DNA probe with fluorescence spectrometry. GO was synthesized according to Hummers' method and examined and confirmed using Fourier Transform Infrared (FT-IR) Spectrometry and UV-vis spectrometry methods and Transmission Electron Microscopy (TEM) images.
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Affiliation(s)
- Mustafa M Kadhim
- Medical Laboratory Techniques Department, Al-Farahidi University Baghdad 10022 Iraq
| | - Ahmed Mahdi Rheima
- Department of Chemistry, College of Science, Mustansiriyah University Baghdad Iraq
| | - Zainab S Abbas
- Research Center, The University of Mashreq 10021 Baghdad Iraq
| | | | - Safa K Hachim
- College of Technical Engineering, The Islamic University Najaf Iraq
- Medical Laboratory Techniques Department, Al-Turath University College Iraq Baghdad
| | - Wesam R Kadhum
- Department of Pharmacy, Kut University College Kut 52001 Wasit Iraq
| | - Ehsan Kianfar
- Istanbul Medeniyet University Istanbul Turkey +90 917-744-1049
- Department of Chemical Engineering, Islamic Azad University Arak Branch Arak Iran
- Young Researchers and Elite Club, Islamic Azad University Gachsaran Branch Gachsaran Iran
- Department of Chemistry, Islamic Azad University Sousangerd Branch Sousangerd Iran
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10
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Dou T, Chen J, Wang R, Pu X, Wu H, Zhao Y. Complementary protective effects of autophagy and oxidative response against graphene oxide toxicity in Caenorhabditis elegans. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 248:114289. [PMID: 36379072 DOI: 10.1016/j.ecoenv.2022.114289] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 11/02/2022] [Accepted: 11/09/2022] [Indexed: 06/16/2023]
Abstract
Graphene oxide (GO) exposure may cause damage to C. elegans. However, the role of autophagy and its interactive effect with oxidative response in GO toxicity still remain largely unclear. In the present study, we investigated the protective role of autophagy against GO and its association with oxidative response using C. elegans as an in vivo system. Results indicated that GO exposure induced autophagy in a dose dependent manner in C. elegans. Autophagy inhibitor 3-methyladenine (3-MA) and silencing autophagy genes lgg-1, bec-1 and unc-51 exacerbated the toxicity of GO whereas autophagy activator rapamycin alleviated it. In addition, the antioxidant N-Acetyl-L-cysteine (NAC) effectively suppressed the toxicity of GO with increased resistance to oxidative stress. Worms with RNAi-induced antioxidative genes sod-1, sod-2, sod-3 and sod-4 knockdown were more sensitive to GO. 3-MA increased the expression of superoxide dismutase SOD-3 under GO exposure conditions and exacerbated the toxicity of GO under the anti-oxidation inaction condition by sod-3 RNAi. In contrast, NAC reduced autophagy levels in GO exposed nematodes and increased tolerance to GO in autophagy-defective worms. These results suggested that autophagy and antioxidative response provide complementary protection against GO in C. elegans.
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Affiliation(s)
- Tingting Dou
- School of Public Health, Bengbu Medical College, Bengbu, People's Republic of China
| | - Jingya Chen
- School of Public Health, Bengbu Medical College, Bengbu, People's Republic of China
| | - Rui Wang
- School of Public Health, Bengbu Medical College, Bengbu, People's Republic of China
| | - Xiaoxiao Pu
- School of Public Health, Bengbu Medical College, Bengbu, People's Republic of China
| | - Huazhang Wu
- School of Life Science, Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Bengbu, People's Republic of China.
| | - Yunli Zhao
- School of Public Health, Bengbu Medical College, Bengbu, People's Republic of China; Key Laboratory of Environmental Medicine Engineering in Ministry of Education, Medical School, Southeast University, Nanjing, People's Republic of China.
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11
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Wang Z, Cheng H, Sheng Y, Chen Z, Zhu X, Ren J, Zhang X, Lv L, Zhang H, Zhou J, Ding Y. Biofunctionalized graphene oxide nanosheet for amplifying antitumor therapy: Multimodal high drug encapsulation, prolonged hyperthermal window, and deep-site burst drug release. Biomaterials 2022; 287:121629. [PMID: 35724541 DOI: 10.1016/j.biomaterials.2022.121629] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 05/19/2022] [Accepted: 06/08/2022] [Indexed: 11/15/2022]
Abstract
Biofunctional surface-modification surpassed critical limitation of graphene oxide (GO) in biocompatibility and drug delivery efficiency, contributing to versatile biomedical applications. Here, a protein corona-bridged GO nanoplatform with high drug loading, longstanding hyperthermia, and controllable drug release, was engineered for amplified tumor therapeutic benefits. Structurally, GO surface was installed with phenylboronic acid (PBA) layer, on which iRGD conjugated apolipoprotein A-I (iRGD-apoA-I) was coordinated via boron electron-deficiency, to form the sandwich-like GO nanosheet (iAPG). The GO camouflaging by iRGD-apoA-I corona provided multimodal high doxorubicin (DOX) loading by π-π stacking and coordination, and generated a higher photothermal transformation efficiency simultaneously. In vitro studies demonstrated that iAPG significantly improved drug penetration and internalization, then achieved tumor-targeted DOX release through near-infrared (NIR) controlled endo/lysosome disruption. Moreover, iAPG mediated site-specific drug shuttling to produce a 3.53-fold enhancement of tumor drug-accumulation compared to the free DOX in vivo, and induced deep tumor penetration dramatically. Primary tumor ablation and spontaneous metastasis inhibition were further demonstrated with negligible side effects under optimal NIR. Taken together, our work provided multifunctional protein corona strategy to inorganic nanomaterials toward advantageous biomedical applications.
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Affiliation(s)
- Zhen Wang
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicines, NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Hao Cheng
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicines, NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Yu Sheng
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicines, NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Zongkai Chen
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicines, NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Xiaohong Zhu
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicines, NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Jianye Ren
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicines, NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Xiangze Zhang
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicines, NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Lingyu Lv
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicines, NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Huaqing Zhang
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicines, NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Jianping Zhou
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicines, NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China.
| | - Yang Ding
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), State Key Laboratory of Natural Medicines, NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China.
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12
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Amarasekara Y, Perera IC, Katuwavila NP, Jayakody RS, Amaratunga GA, Weerasinghe L. Evaluation of novel nanocomposites for enhanced anticancer activity of XLAsp-P2 peptide. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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13
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Lei Q, Huang X, Zheng L, Zheng F, Dong J, Chen F, Zeng W. Biosensors for Caspase-3: From chemical methodologies to biomedical applications. Talanta 2022; 240:123198. [PMID: 34998139 DOI: 10.1016/j.talanta.2021.123198] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 12/24/2021] [Accepted: 12/29/2021] [Indexed: 12/11/2022]
Abstract
Caspase-3 plays irreplaceable roles in apoptosis and related diseases. An imbalance in the measured levels of Caspase-3 is implicated in irreversible apoptosis. Therefore, the detection of Caspase-3 is of great significance for apoptosis imaging and the evaluation effect of early tumor treatment and other diseases. Herein, advances in the recent innovations of Caspase-3 response fluorescence biosensors, including molecular probes and nanoprobes, are systematically summarized in sections corresponding. The performances of various luminescence probes in Caspase-3 detection are discussed intensively in the design strategy of chemical structure, response mechanism and biological application. Finally, the current challenges and prospects of the design of new Caspase-3 responsive fluorescence probes for apoptosis imaging, or similar molecular event are proposed.
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Affiliation(s)
- Qian Lei
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410013, PR China; Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases Central South University, Changsha, 410013, PR China
| | - Xueyan Huang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410013, PR China; Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases Central South University, Changsha, 410013, PR China
| | - Lijuan Zheng
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410013, PR China; Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases Central South University, Changsha, 410013, PR China
| | - Fan Zheng
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410013, PR China; Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases Central South University, Changsha, 410013, PR China
| | - Jie Dong
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410013, PR China; Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases Central South University, Changsha, 410013, PR China
| | - Fei Chen
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410013, PR China; Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases Central South University, Changsha, 410013, PR China
| | - Wenbin Zeng
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410013, PR China; Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases Central South University, Changsha, 410013, PR China.
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14
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Rapid electrochemical detection of COVID-19 genomic sequence with dual-function graphene nanocolloids based biosensor. FLATCHEM 2022; 32. [PMCID: PMC8771053 DOI: 10.1016/j.flatc.2022.100336] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Discovered in December 2019, the Severe Acute Respiratory Syndrome Coronavirus 2 (aka SARS-CoV-2 or 2019-nCoV) has attracted worldwide attention and concerns due to its high transmissibility and the severe health consequences experienced upon its infection, particularly by elderly people. Over 329 million people have been infected till date and over 5.5 million people could not survive the respiratory illness known as COVID-19 syndrome. Rapid and low-cost detection methods are of utmost importance to monitor the diffusion of the virus and to aid in the global fight against the pandemic. We propose here the use of graphene oxide nanocolloids (GONC) as an electroactive nanocarbon material that can act simultaneously as a transducing platform as well as the electroactive label for the detection of 2019-nCoV genomic sequences. The ability of GONC to provide an intrinsic electrochemical signal arising from the reduction of the electrochemically reducible oxygen functionalities present on its surface, allows GONC to be used as a simple and sensitive biosensing platform. Different intrinsic electroactivity of the material was obtained at each step of the genosensing process, starting from the immobilization of a short-stranded DNA probe and followed by the incubation with different concentrations of the target 2019-nCoV DNA strand. Monitoring such variations enabled the quantification of the target analyte over a wide dynamic range between 10−10 and 10−5 M. All in all, this proof-of-concept system serves as a stepping stone for the development of a rapid, sensitive and selective analytical tool for the detection of 2019-nCoV as well as other similar viral vectors. The use of cost-effective electrochemical detection methods coupled with the vast availability and suitability of carbon-based nanomaterials make this sensing system a valid candidate for low-cost and point-of-care analysis.
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15
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Veni, Vidi, Vici: Immobilized Peptide-Based Conjugates as Tools for Capture, Analysis, and Transformation. CHEMOSENSORS 2022. [DOI: 10.3390/chemosensors10010031] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Analysis of peptide biomarkers of pathological states of the organism is often a serious challenge, due to a very complex composition of the cell and insufficient sensitivity of the current analytical methods (including mass spectrometry). One of the possible ways to overcome this problem is sample enrichment by capturing the selected components using a specific solid support. Another option is increasing the detectability of the desired compound by its selective tagging. Appropriately modified and immobilized peptides can be used for these purposes. In addition, they find application in studying the specificity and activity of proteolytic enzymes. Immobilized heterocyclic peptide conjugates may serve as metal ligands, to form complexes used as catalysts or analytical markers. In this review, we describe various applications of immobilized peptides, including selective capturing of cysteine-containing peptides, tagging of the carbonyl compounds to increase the sensitivity of their detection, enrichment of biological samples in deoxyfructosylated peptides, and fishing out of tyrosine–containing peptides by the formation of azo bond. Moreover, the use of the one-bead-one-compound peptide library for the analysis of substrate specificity and activity of caspases is described. Furthermore, the evolution of immobilization from the solid support used in peptide synthesis to nanocarriers is presented. Taken together, the examples presented here demonstrate immobilized peptides as a multifunctional tool, which can be successfully used to solve multiple analytical problems.
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16
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Graphene oxide and fluorescent aptamer based novel biosensor for detection of 25-hydroxyvitamin D 3. Sci Rep 2021; 11:23456. [PMID: 34873222 PMCID: PMC8649066 DOI: 10.1038/s41598-021-02837-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 11/08/2021] [Indexed: 02/07/2023] Open
Abstract
For maintaining the healthy metabolic status, vitamin D is a beneficial metabolite stored majorly in its pre-activated form, 25-hydroxyvitamin D3 (25(OH)D3). Due to its important role in bone strengthening, the study was planned to quantify 25(OH)D3 levels in our blood. Quantification techniques for 25(OH)D3 are costly thus requiring a need for a low cost, and sensitive detection methods. In this work, an economic, and sensitive sensor for the detection of 25(OH)D3 was developed using aptamer and graphene oxide (GO). Aptamer is an oligonucleotide, sensitive towards its target, whereas, GO with 2D nanosheets provides excellent quenching surface. Aptamer labeled with fluorescein (5’, 6-FAM) is adsorbed by π–π interaction on the GO sheets leading to quenching of the fluorescence due to Förster resonance energy transfer (FRET). However, in the presence of 25(OH)D3, a major portion of aptamer fluorescence remains unaltered, due to its association with 25(OH)D3. However, in the absence, aptamer fluorescence gets fully quenched. Fluorescence intensity quenching was monitored using fluorescence spectrophotometer and agarose gel based system. The limit of detection of 25(OH)D3 by this method was found to be 0.15 µg/mL whereas when GO-COOH was used, limit of detection was improved to 0.075 µg/mL. Therefore, this method could come up as a new sensing method in the field of vitamin D detection.
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17
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Enhanced Performance of PVDF Composite Ultrafiltration Membrane via Degradation of Collagen-Modified Graphene Oxide. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app112311513] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The collagen obtained from chrome leather waste can be used to modify graphene oxide (GO) to prepare polyvinylidene fluoride (PVDF) composite ultrafiltration membranes, a process that is conducive to the recovery of leather waste, comprehensive utilization of GO and improved performance of the membrane. In this paper, collagen-modified GO (CGO) was prepared by degradation of collagen from chrome leather waste and used to prepare a PVDF composite ultrafiltration membrane. The results show that the carboxyl content of CGO and dispersion were improved. The water flux and flux recovery rate of the modified ultrafiltration membrane were improved. The bovine serum albumin (BSA) intercepted on the membrane surface was easy to clean and the antifouling performance improved. The performance of the membrane decreased when the GO content exceeded 0.75 wt%, while CGO can reach 1.0 wt% without agglomeration due to its good dispersion.
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18
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Zhou S, Cui P, Sheng J, Zhang X, Jiang P, Ni X, Cao K, Qiu L. A novel assay for the determination of PreScission protease by capillary electrophoresis. Biophys Chem 2021; 281:106696. [PMID: 34954553 DOI: 10.1016/j.bpc.2021.106696] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 09/27/2021] [Accepted: 09/27/2021] [Indexed: 11/19/2022]
Abstract
The detection of protease activity in the body plays a significant role in the early diagnosis of diseases. However, enzymes inevitably come into contact with various complex biological fluids in the body during the flow, which greatly increases the detection difficulty. Therefore, protease detection in vivo has great challenges. Herein, we report a new assay for detecting protease using capillary electrophoresis inside a capillary with semicircular bends. We first designed a peptide substrate, and then the peptide was self-assembled with quantum dots to form a QDs-peptide substrate. The capillary was bent to semicircular-shaped turns and served as a micro-reactor to allow protease and substrate react in it. Due to the different electrophoretic velocity, the protease and the substrate were mixed inside the bent capillary with sequential injections and the cleavage of the substrate can be detected using capillary electrophoresis combined with Förster resonance energy transfer technology. This novel assay will greatly expand the detection of enzyme activity in vivo.
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Affiliation(s)
- Shuwen Zhou
- School of Pharmacy, Changzhou University, Changzhou 213164, Jiangsu, PR China; The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213003, PR China
| | - Pengfei Cui
- School of Pharmacy, Changzhou University, Changzhou 213164, Jiangsu, PR China; The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213003, PR China
| | - Jingyu Sheng
- Wujin Hospital Affiliated with Jiangsu University, Changzhou 213017, Jiangsu, PR China; The Wujin Clinical College of Xuzhou Medical University, Changzhou 213017, Jiangsu, PR China
| | - Xueli Zhang
- Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, PR China
| | - Pengju Jiang
- School of Pharmacy, Changzhou University, Changzhou 213164, Jiangsu, PR China
| | - Xinye Ni
- The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213003, PR China.
| | - Kai Cao
- Wujin Hospital Affiliated with Jiangsu University, Changzhou 213017, Jiangsu, PR China; The Wujin Clinical College of Xuzhou Medical University, Changzhou 213017, Jiangsu, PR China.
| | - Lin Qiu
- School of Pharmacy, Changzhou University, Changzhou 213164, Jiangsu, PR China.
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19
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Lee CS, Kim I, Jang JW, Yoon DS, Lee YJ. Aquaporin-Incorporated Graphene-Oxide Membrane for Pressurized Desalination with Superior Integrity Enabled by Molecular Recognition. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2101882. [PMID: 34397173 PMCID: PMC8529452 DOI: 10.1002/advs.202101882] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 07/05/2021] [Indexed: 05/06/2023]
Abstract
Aquaporins (AQPs), the natural water channel, have been actively investigated for overcoming the limitations of conventional desalination membranes. An AQP-based biomimetic high-pressure desalination membrane is designed by tethering AQP-carrying red blood cell membrane (RBCM) vesicles onto graphene oxide (GO). RBCMs with AQPs are incorporated into GO based on the molecular recognition between the integrin of RBCM and Arginine-Glycine-Aspartate (RGD) ligand on the GO surface. GO is pre-functionalized with the Glycine-Arginine-Glycine-Aspartate-Serine peptide to capture RBCMs. RBCMs are inserted between GO flakes through the material-specific interaction between integrin of RBCM and RGD ligand, thus ensuring sufficient coverage of channels/defects in the GO for the full functioning of the AQPs. The incorporated AQPs are not completely fixed at the GO, as tethering is mediated by the integrin-RGD pair, and suitable AQP flexibility for appropriate functioning is guaranteed without frictional hindrance from the solid substrate. The integrity of the GO-RBCMs binding can provide mechanical strength for enduring high-pressure reverse-osmosis conditions for treating large amounts of water. This biomimetic membrane exhibits 99.1% NaCl rejection and a water permeance of 7.83 L m-2 h-1 bar-1 at 8 bar with a 1000-ppm NaCl feed solution, which surpasses the upper-bound line of current state-of-the-art membranes.
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Affiliation(s)
- Chang Seon Lee
- Department of Energy EngineeringHanyang UniversitySeoul04763Republic of Korea
| | - Insu Kim
- School of Biomedical EngineeringKorea UniversitySeoul02841Republic of Korea
| | - Jae Won Jang
- School of Biomedical EngineeringKorea UniversitySeoul02841Republic of Korea
| | - Dae sung Yoon
- School of Biomedical EngineeringKorea UniversitySeoul02841Republic of Korea
| | - Yun Jung Lee
- Department of Energy EngineeringHanyang UniversitySeoul04763Republic of Korea
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20
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Jiang T, Amadei CA, Lin Y, Gou N, Rahman SM, Lan J, Vecitis CD, Gu AZ. Dependence of Graphene Oxide (GO) Toxicity on Oxidation Level, Elemental Composition, and Size. Int J Mol Sci 2021; 22:ijms221910578. [PMID: 34638921 PMCID: PMC8508828 DOI: 10.3390/ijms221910578] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/26/2021] [Accepted: 09/27/2021] [Indexed: 11/16/2022] Open
Abstract
The mass production of graphene oxide (GO) unavoidably elevates the chance of human exposure, as well as the possibility of release into the environment with high stability, raising public concern as to its potential toxicological risks and the implications for humans and ecosystems. Therefore, a thorough assessment of GO toxicity, including its potential reliance on key physicochemical factors, which is lacking in the literature, is of high significance and importance. In this study, GO toxicity, and its dependence on oxidation level, elemental composition, and size, were comprehensively assessed. A newly established quantitative toxicogenomic-based toxicity testing approach, combined with conventional phenotypic bioassays, were employed. The toxicogenomic assay utilized a GFP-fused yeast reporter library covering key cellular toxicity pathways. The results reveal that, indeed, the elemental composition and size do exert impacts on GO toxicity, while the oxidation level exhibits no significant effects. The UV-treated GO, with significantly higher carbon-carbon groups and carboxyl groups, showed a higher toxicity level, especially in the protein and chemical stress categories. With the decrease in size, the toxicity level of the sonicated GOs tended to increase. It is proposed that the covering and subsequent internalization of GO sheets might be the main mode of action in yeast cells.
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Affiliation(s)
- Tao Jiang
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA 02115, USA; (T.J.); (N.G.); (S.M.R.); (J.L.)
| | - Carlo Alberto Amadei
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA; (C.A.A.); (C.D.V.)
| | - Yishan Lin
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA 02115, USA; (T.J.); (N.G.); (S.M.R.); (J.L.)
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210046, China
- Correspondence: (Y.L.); (A.Z.G.)
| | - Na Gou
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA 02115, USA; (T.J.); (N.G.); (S.M.R.); (J.L.)
- School of Civil and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Sheikh Mokhlesur Rahman
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA 02115, USA; (T.J.); (N.G.); (S.M.R.); (J.L.)
- Department of Civil Engineering, Bangladesh University of Engineering and Technology, Dhaka 1000, Bangladesh
| | - Jiaqi Lan
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA 02115, USA; (T.J.); (N.G.); (S.M.R.); (J.L.)
- Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Chad D. Vecitis
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA; (C.A.A.); (C.D.V.)
| | - April Z. Gu
- School of Civil and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
- Correspondence: (Y.L.); (A.Z.G.)
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21
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Yim Y, Shin H, Ahn SM, Min DH. Graphene oxide-based fluorescent biosensors and their biomedical applications in diagnosis and drug discovery. Chem Commun (Camb) 2021; 57:9820-9833. [PMID: 34494621 DOI: 10.1039/d1cc02157e] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Graphene oxide (GO), an oxidized derivative of graphene, has received much attention for developing novel fluorescent bioanalytic platforms due to its remarkable optical properties and biocompatibility. The reliable performance and robustness of GO-based biosensors have enabled various applications in the biomedical field including diagnosis and drug discovery. Here, recent advances in the development of GO-based fluorescent biosensors are overviewed, particularly nucleic acid detection and enzyme activity assay. In addition, practical applications in biomarker detection and high-throughput screening are also examined. Lastly, basic design principles and remaining challenges of these types of biosensors are discussed for further progress.
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Affiliation(s)
- Yeajee Yim
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea.
| | - Hojeong Shin
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea.
| | - Seong Min Ahn
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea.
| | - Dal-Hee Min
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea. .,Department of Biological Sciences, Seoul National University, Seoul 08826, Republic of Korea.,Institute of Biotherapeutics Convergence Technology, Lemonex Inc., Seoul 06683, Republic of Korea
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22
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He L, Ye S, Fang J, Zhang Y, Cui C, Wang A, Zhao Y, Shi H. Real-Time Visualization of Embryonic Apoptosis Using a Near-Infrared Fluorogenic Probe for Embryo Development Evaluation. Anal Chem 2021; 93:12122-12130. [PMID: 34424664 DOI: 10.1021/acs.analchem.1c02793] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Developing an accurate and reliable detection technique for early embryonic apoptosis is of great significance for real-time monitoring and evaluation of embryonic development in living systems. Herein, we have rationally designed and synthesized a novel near-infrared (NIR) fluorogenic probe CGK(QSY21)DEVD-Cy5.5 for real-time imaging of embryonic apoptosis. This probe is constructed with a NIR dye Cy5.5, a fluorescence quencher QSY21, and a peptide substrate Asp-Glu-Val-Asp (DEVD) of the caspase-3 enzyme that is a key executor of cell apoptosis. The probe was initially nonfluorescent in aqueous solution but emitted strong NIR fluorescence upon specific cleavage by activated caspase-3 in a concentration-dependent manner. Taking advantage of this unique feature, this fluorogenic probe was for the first time used for real-time imaging of caspase-3 activity in apoptotic embryos. More notably, significant fluorescence enhancement was solely determined from the apoptotic embryos with the treatment of the probe both in vitro and in vivo, highly suggesting that this probe has great potential to monitor the apoptosis of embryos. We thus envision that this probe would provide a very useful means for real-time visualization and accurate evaluation of embryonic development in the future.
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Affiliation(s)
- Lei He
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Centre of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Renai Road, Suzhou 215123, P. R. China.,CAM-SU Genomic Resource Center, Soochow University, 199 Renai Road, Suzhou 215123, P. R. China
| | - Shuyue Ye
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Centre of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Renai Road, Suzhou 215123, P. R. China
| | - Jing Fang
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Centre of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Renai Road, Suzhou 215123, P. R. China
| | - Yuqi Zhang
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Centre of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Renai Road, Suzhou 215123, P. R. China
| | - Chaoxiang Cui
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Centre of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Renai Road, Suzhou 215123, P. R. China
| | - Anna Wang
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Centre of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Renai Road, Suzhou 215123, P. R. China
| | - Yan Zhao
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Centre of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Renai Road, Suzhou 215123, P. R. China
| | - Haibin Shi
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Centre of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Renai Road, Suzhou 215123, P. R. China
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23
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Wang Y, Ye D. A caspase-3 activatable photoacoustic probe for in vivo imaging of tumor apoptosis. Methods Enzymol 2021; 657:21-57. [PMID: 34353488 DOI: 10.1016/bs.mie.2021.06.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Photoacoustic (PA) imaging is an emerging imaging technique, which combines high spatial resolution and deep tissue penetration of ultrasound imaging with high sensitivity of fluorescence imaging. In the past few years, PA has shown promise for noninvasive imaging of biomolecules in vivo. In this chapter, we present the synthesis and application of a tumor targeting and caspase-3 activatable PA probe (1-RGD) for real-time and noninvasive imaging of tumor apoptosis. 1-RGD can be efficiently delivered into tumor tissues and recognized by caspase-3, which triggered efficient proteolysis of DEVD substrate and subsequent intramolecular macrocyclization, followed by in situ self-assembly into nanoparticles, leading to prolonged retention in apoptotic tumors and enhanced PA signals. With 1-RGD, high-resolution 3D PA images of tumor tissues can be obtained, allowing to report on the activity and distribution of caspase-3 within DOX-treated tumors, which was helpful for early monitoring of tumor response to therapy. We provide detailed protocols for the synthesis, in vitro characterization and in vivo applications of 1-RGD.
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Affiliation(s)
- Yuqi Wang
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
| | - Deju Ye
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China.
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24
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Li Y, Yang Y, Shao Y, Sun Y, Si H, Miao J, Xu Y. Chitosan functionalized graphene oxide nanocomposites for fluorescence imaging of apoptotic processes and targeted anti-inflammation study. Carbohydr Polym 2021; 269:118345. [PMID: 34294352 DOI: 10.1016/j.carbpol.2021.118345] [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: 02/25/2021] [Revised: 06/01/2021] [Accepted: 06/11/2021] [Indexed: 12/25/2022]
Abstract
This work reports novel chitosan functionalized graphene oxide (GO) nanocomposites combined fluorescence imaging and therapeutic functions in one agent, which can serve as a promising alternative to alleviate related diseases caused hyperinflammation. Briefly, GO was designed to be conjugated with chitosan, fluorescein-labeled peptide, toll-like receptor 4 antibody and hydroxycamptothecin/aloe emodin. We have demonstrated that such nanocomposites could effectively achieve active targeted delivery of pro-apoptotic and anti-inflammatory drugs into inflammatory cells and cause cells apoptosis by acid-responsive drug release. Moreover, confocal fluorescence imaging confirms that the drug-induced inflammatory cells apoptosis could be visualized the light-up fluorescence of fluorescein activated by caspase-3. Meanwhile, inflammatory-related biomarkers have down-regulated after the nanocomposites' treatment in both vitro and vivo experiments consistent with the results in histological sections. In summary, the bifunctional nanocomposites that possess anti-inflammation and fluorescence imaging could serve as a promising therapeutic agent for reducing hyperinflammation caused by numerous diseases.
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Affiliation(s)
- Yi Li
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Key Laboratory of Animal Physiology & Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Yazhi Yang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Key Laboratory of Animal Physiology & Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Yingge Shao
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Key Laboratory of Animal Physiology & Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Yangyang Sun
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Key Laboratory of Animal Physiology & Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Hongbin Si
- College of Animal Sciences and Technology, Guangxi University, Nanning, Guangxi 530004, China
| | - Jinfeng Miao
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Key Laboratory of Animal Physiology & Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Yuanyuan Xu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Key Laboratory of Animal Physiology & Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China.
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25
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Jakubowski W, Atraszkiewicz R, Nowak D, Batory D, Szymański W, Sobczyk-Guzenda A, Kaczmarek Ł, Kula P, Cłapa M, Warga T, Czerniak-Reczulska M. Optimization of Glutathione Adhesion Process to Modified Graphene Surfaces. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:756. [PMID: 33802987 PMCID: PMC8002596 DOI: 10.3390/nano11030756] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 02/27/2021] [Accepted: 03/10/2021] [Indexed: 12/15/2022]
Abstract
The presented work shows the results of the functionalization of the graphene surface obtained by the growth on the liquid bimetallic matrices method. We used glutathione (GSH) as a peptide model, which allowed us to optimize the procedure to obtain high process efficiency. To establish the amount of GSH attached to the graphene surface, the Folina-Ciocalteu method was used, which allows the assessment of the concentration of colored reaction products with peptide bonds without the disadvantages of most methods based on direct colored reaction of peptide bonds. Samples surface morphology, quality of graphene and chemical structure in the subsequent stages of surface modification were tested-for this purpose Raman spectroscopy, scanning electron microscopy (SEM), and Fourier-transform infrared spectroscopy (FTIR) were used.
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Affiliation(s)
- Witold Jakubowski
- Division of Biophysics, Institute of Materials Science and Engineering, Lodz University of Technology, 1/15 Stefanowskiego St., 90-924 Lodz, Poland
| | - Radomir Atraszkiewicz
- Division of Surface Engineering and Heat Treatment, Institute of Materials Science and Engineering, Lodz University of Technology, 1/15 Stefanowskiego St., 90-924 Lodz, Poland; (R.A.); (P.K.)
| | - Dorota Nowak
- Division of Biomedical Engineering and Functional Materials, Institute of Materials Science and Engineering, Lodz University of Technology, 1/15 Stefanowskiego St., 90-924 Lodz, Poland; (D.N.); (M.C.); (M.C.-R.)
| | - Damian Batory
- Department of Vehicles and Fundamentals of Machine Design, Lodz University of Technology, 1/15 Stefanowskiego St., 90-924 Lodz, Poland;
| | - Witold Szymański
- Division of Nanomaterials Engineering, Institute of Materials Science and Engineering, Lodz University of Technology, 1/15 Stefanowskiego St., 90-924 Lodz, Poland;
| | - Anna Sobczyk-Guzenda
- Division of Coating, Polymer and Non-Metal Engineering, Institute of Materials Science and Engineering, Lodz University of Technology, 1/15 Stefanowskiego St., 90-924 Lodz, Poland;
| | - Łukasz Kaczmarek
- Division of Advanced Materials and Composite, Institute of Materials Science and Engineering, Lodz University of Technology, 1/15 Stefanowskiego St., 90-924 Lodz, Poland; (Ł.K.); (T.W.)
| | - Piotr Kula
- Division of Surface Engineering and Heat Treatment, Institute of Materials Science and Engineering, Lodz University of Technology, 1/15 Stefanowskiego St., 90-924 Lodz, Poland; (R.A.); (P.K.)
| | - Marian Cłapa
- Division of Biomedical Engineering and Functional Materials, Institute of Materials Science and Engineering, Lodz University of Technology, 1/15 Stefanowskiego St., 90-924 Lodz, Poland; (D.N.); (M.C.); (M.C.-R.)
| | - Tomasz Warga
- Division of Advanced Materials and Composite, Institute of Materials Science and Engineering, Lodz University of Technology, 1/15 Stefanowskiego St., 90-924 Lodz, Poland; (Ł.K.); (T.W.)
| | - Małgorzata Czerniak-Reczulska
- Division of Biomedical Engineering and Functional Materials, Institute of Materials Science and Engineering, Lodz University of Technology, 1/15 Stefanowskiego St., 90-924 Lodz, Poland; (D.N.); (M.C.); (M.C.-R.)
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Zhu W, Wang CY, Hu JM, Shen AG. Promoted “Click” SERS Detection for Precise Intracellular Imaging of Caspase-3. Anal Chem 2021; 93:4876-4883. [DOI: 10.1021/acs.analchem.0c04997] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Wei Zhu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
- School of Printing and Packaging, Wuhan University, Wuhan 430079, P. R. China
| | - Chun-Yang Wang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Ji-Ming Hu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Ai-Guo Shen
- School of Printing and Packaging, Wuhan University, Wuhan 430079, P. R. China
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27
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Grijalvo S, Díaz DD. Graphene-based hybrid materials as promising scaffolds for peripheral nerve regeneration. Neurochem Int 2021; 147:105005. [PMID: 33667593 DOI: 10.1016/j.neuint.2021.105005] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 02/15/2021] [Accepted: 02/17/2021] [Indexed: 11/30/2022]
Abstract
Peripheral nerve injury (PNI) is a serious clinical health problem caused by the damage of peripheral nerves which results in neurological deficits and permanent disability. There are several factors that may cause PNI such as localized damage (car accident, trauma, electrical injury) and outbreak of the systemic diseases (autoimmune or diabetes). While various diagnostic procedures including X-ray, magnetic resonance imaging (MRI), as well as other type of examinations such as electromyography or nerve conduction studies have been efficiently developed, a full recovery in patients with PNI is in many cases deficient or incomplete. This is the reason why additional therapeutic strategies should be explored to favor a complete rehabilitation in order to get appropriate nerve injury regeneration. The use of biomaterials acting as scaffolds opens an interesting approach in regenerative medicine and tissue engineering applications due to their ability to guide the growth of new tissues, adhesion and proliferation of cells including the expression of bioactive signals. This review discusses the preparation and therapeutic strategies describing in vitro and in vivo experiments using graphene-based materials in the context of PNI and their ability to promote nerve tissue regeneration.
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Affiliation(s)
- Santiago Grijalvo
- Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18-26, 08034, Barcelona, Catalonia, Spain; Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, Spain
| | - David Díaz Díaz
- Department of Organic Chemistry, University of La Laguna, Avda. Astrofísico Francisco Sánchez 3, 38206, La Laguna, Tenerife, Spain; Institute of Bio-Organic Antonio González, University of La Laguna, Avda. Astrofísico Francisco Sánchez 3, 38206, La Laguna, Tenerife, Spain; Institute of Organic Chemistry, University of Regensburg, Universitätstr. 31, Regensburg, 93053, Germany.
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28
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Yu J, Yang A, Wang N, Ling H, Song J, Chen X, Lian Y, Zhang Z, Yan F, Gu M. Highly sensitive detection of caspase-3 activity based on peptide-modified organic electrochemical transistor biosensors. NANOSCALE 2021; 13:2868-2874. [PMID: 33464252 DOI: 10.1039/d0nr08453k] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Caspase-3 is an important proteolytic enzyme that cleaves several key substrates in apoptotic processes, resulting in DNA fragmentation, the degradation of nuclear proteins, and the formation of apoptotic bodies. However, it is challenging to detect caspase-3 due to its low expression levels in cells. In this work, organic electrochemical transistors (OECTs) are used in the detection of caspase-3 for the first time. A self-assembled monolayer of the peptide is bonded to the Au gate electrode (GE) of an OECT via gold-sulphur bonds. It is found that the transfer curve of the transistor shifts to a lower gate voltage due to the modulation of the surface potential of the GE by the peptides. Then, the device is used in the detection of caspase-3 in aqueous solutions and shows a detection limit of 0.1 pM. Due to its high sensitivity, the device can detect caspase-3 in induced apoptotic HeLa cells. The system is low-cost, conveniently used and applicable for biological and medical monitoring where caspase-3 detection and quantification are required.
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Affiliation(s)
- Ji Yu
- National Laboratory of Solid State Microstructures and Department of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, P.R. China.
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29
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Wang Y, Xia K, Wang L, Wu M, Sang X, Wan K, Zhang X, Liu X, Wei G. Peptide-Engineered Fluorescent Nanomaterials: Structure Design, Function Tailoring, and Biomedical Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2005578. [PMID: 33448113 DOI: 10.1002/smll.202005578] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/19/2020] [Indexed: 06/12/2023]
Abstract
Fluorescent nanomaterials have exhibited promising applications in biomedical and tissue engineering fields. To improve the properties and expand bioapplications of fluorescent nanomaterials, various functionalization and biomodification strategies have been utilized to engineer the structure and function of fluorescent nanomaterials. Due to their high biocompatibility, satisfied bioactivity, unique biomimetic function, easy structural tailoring, and controlled self-assembly ability, supramolecular peptides are widely used as versatile modification agents and nanoscale building blocks for engineering fluorescent nanomaterials. In this work, recent advance in the synthesis, structure, function, and biomedical applications of peptide-engineered fluorescent nanomaterials is presented. Firstly, the types of different fluorescent nanomaterials are introduced. Then, potential strategies for the preparation of peptide-engineered fluorescent nanomaterials via templated synthesis, bioinspired conjugation, and peptide assembly-assisted synthesis are discussed. After that, the unique structure and functions through the peptide conjugation with fluorescent nanomaterials are demonstrated. Finally, the biomedical applications of peptide-engineered fluorescent nanomaterials in bioimaging, disease diagnostics and therapy, drug delivery, tissue engineering, antimicrobial test, and biosensing are presented and discussed in detail. It is helpful for readers to understand the peptide-based conjugation and bioinspired synthesis of fluorescent nanomaterials, and to design and synthesize novel hybrid bionanomaterials with special structures and improved functions for advanced applications.
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Affiliation(s)
- Yan Wang
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Kai Xia
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Luchen Wang
- College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, P. R. China
| | - Mingxue Wu
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Xiujie Sang
- Department of Food and Medicine, Weifang Vocational College, Weifang, 262737, P. R. China
| | - Keming Wan
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Xiaodong Zhang
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Xiaomin Liu
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Gang Wei
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, P. R. China
- Faculty of Production Engineering, University of Bremen, Bremen, 28359, Germany
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30
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Wang P, Yang H, Liu C, Qiu M, Ma X, Mao Z, Sun Y, Liu Z. Recent advances in the development of activatable multifunctional probes for in vivo imaging of caspase-3. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.11.056] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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31
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Zhang G, Wang J, Wang Y, Qi W, Su R, He Z. Self-Assembly of Ferrocene-Phenylalanine@Graphene Oxide Hybrid Hydrogels for Dopamine Detection. Chempluschem 2020; 85:2341-2348. [PMID: 33094928 DOI: 10.1002/cplu.202000579] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/05/2020] [Indexed: 12/17/2022]
Abstract
The effect of graphene oxide (GO) is explored on the self-assembly behavior of ferrocene-L-phenylalanine (Fc-F) in solution. The assembly behavior of Fc-F in GO dispersions at different concentrations and pH values was systematically investigated. At pH 8, a stable hybrid material could be formed by facile and elaborate supramolecular assembly. Moreover, the concentration of GO could also be used to adjust the mechanical strength of the hybrid hydrogel. Increasing the concentration of GO in the assembly process, a hydrogel with better mechanical strength could be obtained. The storage modulus could be up to 6.3 kPa by increasing the GO concentration to 1 mg/mL. Finally, the dopamine concentration in the solution could be detected in a high accuracy by loading the hybrid hydrogel onto the electrode surface. The R2 of linear fitting equation could reach 0.9915 in the range of 10-200 μmol/L, indicating that it has the potential as biosensing electrode material.
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Affiliation(s)
- Gong Zhang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China
| | - Jiahui Wang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China
| | - Yuefei Wang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China.,Tianjin Key Laboratory of Membrane Science, and Desalination Technology, Tianjin University, Tianjin, 300072, P. R. China
| | - Wei Qi
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China.,Collaborative Innovation Centre of Chemical Science and Engineering (Tianjin), Tianjin, 300072, P. R. China.,Tianjin Key Laboratory of Membrane Science, and Desalination Technology, Tianjin University, Tianjin, 300072, P. R. China
| | - Rongxin Su
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China.,Collaborative Innovation Centre of Chemical Science and Engineering (Tianjin), Tianjin, 300072, P. R. China.,Tianjin Key Laboratory of Membrane Science, and Desalination Technology, Tianjin University, Tianjin, 300072, P. R. China
| | - Zhimin He
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China
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32
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Yuan K, López MÁ, Jurado-Sánchez B, Escarpa A. Janus Micromotors Coated with 2D Nanomaterials as Dynamic Interfaces for (Bio)-Sensing. ACS APPLIED MATERIALS & INTERFACES 2020; 12:46588-46597. [PMID: 33016695 DOI: 10.1021/acsami.0c15389] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this work, we study the interaction of graphdiyne oxide (GDYO)-, graphene oxide (GO)-, or black phosphorous (BP)-wrapped Janus micromotors using a model system relying on a fluorescence-labeled affinity peptide, which is released upon specific interaction with a target Cholera Toxin B. Such ON-OFF-ON system allows mimicking similar processes occurring at (bio)-interfaces and to study the related sorption and desorption kinetics. The distinct surface properties of each nanomaterial play a critical role in the loading/release capacity of the peptide, greatly influencing the release profiles. Sorption obeys a second-order kinetic model using the two-dimensional (2D) nanomaterials in connection with micromotors, indicating a strong influence of chemisorption process for BP micromotors. Yet, release kinetics are faster for GDYO and GO nanomaterials, indicating a contribution of π and hydrophobic interactions in the probe sorption (Cholera Toxin B affinity peptide) and target probe release (in the presence of Cholera Toxin B). Micromotor movement also plays a critical role in such processes, allowing for efficient operation in low raw sample volumes, where the high protein content can diminish probe loading/release, affecting the overall performance. The loading/release capacity and feasibility of the (bio)-sensing protocol are illustrated in Vibrio cholerae and Vibrio parahaemolyticus bacteria cultures as realistic domains. The new concept described here holds considerable promise to understand the interaction of micromotor with biological counterparts in a myriad of biomedical and other practical applications, including the design of novel micromotor-based sensors.
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Affiliation(s)
- Kaisong Yuan
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, University of Alcala, Alcala de Henares, E-28871 Madrid, Spain
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Miguel Ángel López
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, University of Alcala, Alcala de Henares, E-28871 Madrid, Spain
- Chemical Research Institute "Andrés M. del Río", University of Alcala, Alcala de Henares, E-28871 Madrid, Spain
| | - Beatriz Jurado-Sánchez
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, University of Alcala, Alcala de Henares, E-28871 Madrid, Spain
- Chemical Research Institute "Andrés M. del Río", University of Alcala, Alcala de Henares, E-28871 Madrid, Spain
| | - Alberto Escarpa
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, University of Alcala, Alcala de Henares, E-28871 Madrid, Spain
- Chemical Research Institute "Andrés M. del Río", University of Alcala, Alcala de Henares, E-28871 Madrid, Spain
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33
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Choi JH, Choi JW. Metal-Enhanced Fluorescence by Bifunctional Au Nanoparticles for Highly Sensitive and Simple Detection of Proteolytic Enzyme. NANO LETTERS 2020; 20:7100-7107. [PMID: 32809833 DOI: 10.1021/acs.nanolett.0c02343] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Although fluorescence-based analytical methods have been used in intracellular analyses, their sensitivity is low for the precise analysis of intracellular proteolytic enzymes to observe cell apoptosis related to cancer and neurodegenerative diseases. In this study, a metal-enhanced-fluorescence (MEF)-based highly sensitive biosensor for the detection of proteolytic enzymes is proposed for the first time by using a bifunctional Au nanoparticle (AuNP), which is connected to the fluorophore by both single-stranded DNA (ssDNA) and a peptide. Once caspase-3, a proteolytic enzyme, cuts the peptide specifically, the fluorescence signal is drastically increased because the ssDNA maintains an optimal distance for the MEF. The proposed sensing method shows the highly sensitive detection of caspase-3 based on just a simple enzymatic cleavage reaction within 1 h, and caspase-3-related preapoptotic cell detection was successfully carried out with high sensitivity. The proposed sensing method is a rapid, simple, and one-step technique for the real-time monitoring of intracellular proteolytic enzymes and can be applied to the early diagnosis of cancer and neurodegenerative diseases.
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Affiliation(s)
- Jin-Ha Choi
- Department of Chemical & Biomolecular Engineering, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
| | - Jeong-Woo Choi
- Department of Chemical & Biomolecular Engineering, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
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Guo S, Raya J, Ji D, Nishina Y, Ménard-Moyon C, Bianco A. Is carboxylation an efficient method for graphene oxide functionalization? NANOSCALE ADVANCES 2020; 2:4085-4092. [PMID: 36132765 PMCID: PMC9416926 DOI: 10.1039/d0na00561d] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 07/08/2020] [Indexed: 06/01/2023]
Abstract
Graphene oxide (GO) is one of the most popular materials applied in different research areas thanks to its unique properties. The application of GO requires well-designed protocols to introduce different functionalities on its surface, exploiting the oxygenated groups already present. Due to the complex and unstable chemical environment on the GO surface, it is recommended to perform the functionalization under mild conditions. The carboxylation of GO is a widely used method to introduce additional carboxylic acids, which could be further modified through amidation or esterification reactions. The strategy already reported in the literature requires harsh conditions (excess amount of sodium hydroxide). GO is readily reduced under basic conditions, but the reduction of GO during the carboxylation is barely studied. In this work, we performed the carboxylation using chloroacetic acid with different amounts of sodium hydroxide and characterized the functionalized GO with various techniques. The carboxylated GO was exploited to develop a double functionalization approach combining an epoxide ring opening reaction and an amidation. The results showed that strong basic conditions were necessary to derivatize GO. Nevertheless, these conditions resulted in a partial reduction of GO and some functionalities on GO were removed during the reaction, thus reducing the total efficiency of the functionalization in comparison to an epoxide ring opening reaction, indicating that carboxylation is not an efficient approach for the functionalization of GO.
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Affiliation(s)
- Shi Guo
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR3572, University of Strasbourg, ISIS 67000 Strasbourg France
| | - Jésus Raya
- Membrane Biophysics and NMR, Institute of Chemistry, UMR 7177, University of Strasbourg Strasbourg France
| | - Dingkun Ji
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR3572, University of Strasbourg, ISIS 67000 Strasbourg France
| | - Yuta Nishina
- Graduate School of Natural Science and Technology, Okayama University Tsushimanaka, Kita-ku Okayama 700-8530 Japan
- Research Core for Interdisciplinary Sciences, Okayama University Tsushimanaka, Kita-ku Okayama 700-8530 Japan
| | - Cécilia Ménard-Moyon
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR3572, University of Strasbourg, ISIS 67000 Strasbourg France
| | - Alberto Bianco
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR3572, University of Strasbourg, ISIS 67000 Strasbourg France
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Chergui S, Rhili K, Poorahong S, Siaj M. Graphene Oxide Membrane Immobilized Aptamer as a Highly Selective Hormone Removal. MEMBRANES 2020; 10:E229. [PMID: 32932581 PMCID: PMC7558482 DOI: 10.3390/membranes10090229] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/09/2020] [Accepted: 09/11/2020] [Indexed: 12/12/2022]
Abstract
Three-dimensional (3D) reduced graphene oxide (rGO) modified by polyethyleneimine (PEI) was prepared and functionalized by fluorophore-labeled dexamethasone-aptamer (Flu-DEX-apt) via π-π stacking interaction. The rGO/PEI/Flu-DEX-apt was used as a selective membrane for dexamethasone hormone removal from water. The prepared rGO/PEI/Flu-DEX-apt membranes were stable, insoluble, and easily removable from liquid media. The membrane was characterized by Raman spectroscopy, scanning electron spectroscopy, and FTIR spectroscopy. The rGO/PEI/Flu-DEX-apt membrane showed high sensitivity and specificity toward the dexamethasone hormone in the presence of other steroid hormone analogs, such as progesterone, estrone, estradiol, and 19-norethindrone. The fluorescence and UV-visible spectroscopy were used to confirm the membranes performance and the quantification of hormones removal. The resulting data clearly show that the graphene oxide concentration influence the aptamers and analytes interaction (π-π stacking interaction). It was found that by varying the graphene oxide concentration yields to different porosities of rGO/PEI/Flu-DEX-apt membranes affects the adsorption recovery rate, as well as the specificity and selectivity toward the dexamethasone hormone.
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Affiliation(s)
| | | | | | - Mohamed Siaj
- Department of Chemistry, University of Quebec at Montreal, Montreal, QC H3C3P8, Canada; (S.C.); (K.R.); (S.P.)
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Green synthesis of peptide functionalized reduced graphene oxide (rGO) nano bioconjugate with enhanced antibacterial activity. Sci Rep 2020; 10:9441. [PMID: 32523022 PMCID: PMC7287048 DOI: 10.1038/s41598-020-66230-3] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 05/18/2020] [Indexed: 12/30/2022] Open
Abstract
Bioengineered nanoconjugates have enormous potential as a multifunctional platform for biomedical applications. Conjugation between biotic and abiotic materials enables formulation of nanoconjugates with enhanced physico-chemical properties, increased stability and ability to overcome the inherent shortcomings of individual materials. In this study, we report the preparation and biophysical characterization of an antibacterial system formulated by functionalizing reduced graphene oxide (rGO) with an antimicrobial peptide via covalent as well as non-covalent interaction mechanisms. Environmentally benign synthesis approach was adopted for the formation of rGO, using L-ascorbic acid as a reducing agent. Covalently conjugated peptide-graphitic conjugate displayed improved antibacterial efficacy against Escherichia coli with considerably low cytotoxic activity towards erythrocytes in comparison to self-assembled conjugate and rGO alone. The studies described herein are highly significant in the field of biomaterials and aims to open new avenues of research focusing on a plethora of applications as a prospective non-toxic substitute to conventional antibacterial approaches.
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Qi G, Sun D, Tian Y, Xu C, Zhang Y, Wang D, Ma K, Xu S, Jin Y. Fast Activation and Tracing of Caspase-3 Involved Cell Apoptosis by Combined Electrostimulation and Smart Signal-Amplified SERS Nanoprobes. Anal Chem 2020; 92:7861-7868. [PMID: 32395992 DOI: 10.1021/acs.analchem.0c01114] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Caspase-3 is considered as one of the key proteases that can spontaneously regulate the life activities of cells, and its activation (usually is a slow process) will execute the apoptosis process of cells. Rapid activation of caspase-3 on demand in living-cells is therefore highly desired toward precise cancer therapy but it is still a key challenge. Herein, we applied electrostimulus (ES) to achieve fast activation of caspase-3 and trigger cell apoptosis, and developed a smart magnetic-plasmonic assembly nanoprobes (A-nanoprobes) to real-time trace cellular caspase-3 activation at the single cell level. The designer core-satellite A-nanoprobe, working specific to the activated caspase-3 via a disassembly tactic, provides strong "hot spots" to improve the sensitivity and therefore enables SERS sensing of cellular caspase-3 upon activated by ES. Single-cell analysis revealed that the ES can rapidly activate the apoptosis pathway of caspase-3 on demand to make the DNA fragmentation and ultimately induce the cell apoptosis. Such method and nanoplatform were further used to monitor ES-triggered caspase-3 activation in cell apoptosis process of different cell types, revealing that more caspase-3 will be activated for cancerous cells than normal cells during the ES to induce cells apoptosis. This strategy and platform are promising for detecting cellular caspase-3 and other enzymes in the process of cancer diagnosis and treatments.
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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
| | - Dan Sun
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, P. R. China
| | - Yu Tian
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, P. R. China
| | - Chen Xu
- 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
| | - 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
| | - Dandan Wang
- 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
| | - Kongshuo Ma
- 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
| | - Shuping Xu
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, 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.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
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Xu H, Huang X, Zhang Z, Zhang X, Min Q, Zhu JJ. Protease-responsive mass barcoded nanotranslators for simultaneously quantifying the intracellular activity of cascaded caspases in apoptosis pathways. Chem Sci 2020; 11:5280-5288. [PMID: 34122985 PMCID: PMC8159337 DOI: 10.1039/d0sc01534b] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Quantitatively delineating the activation network of multiple proteases that participate in cellular processes is highly essential for understanding the physiological and pathological states of cells. In this study, protease-responsive mass barcoded nanotranslators (PRMNTs) were engineered for revealing the activity of cascaded caspases in apoptosis in a multiplex and quantitative manner. In the PRMNTs, a series of mass tag-decorated gold nanoparticles (AuNPs) were tethered onto magnetic Fe3O4 nanospheres via a linker containing the substrate peptide of the target protease to form a "one-to-many" core-satellite structure. This nanostructure was internalized into the cells, underwent an enzymatic reaction within the cells, and allowed post-reaction mass spectrometry (MS) interrogation after magnetic separation from the cells. In the presence of intracellular caspases, enzymatic cleavage of the linker could be translated to the decreased ion signals of the mass tags on the remaining AuNPs in the PRMNTs by MS decoding. Benefiting from the multiplexing capability of MS, the intracellular activity of caspase-3, -8 and -9 that orchestrate the apoptotic process was simultaneously quantified at any given time. Kinetic analysis of caspase activity under stimulation of diverse anticancer drugs revealed that programmed cell death followed individual apoptosis pathways, differing in the activation degree and sequence of the caspase cascade. This work represents a modality that interfaces nanotechnology with MS for quantitatively probing the intracellular activity of multiple proteases, which opens up new avenues for revealing the apoptosis mechanism and developing innovative drugs.
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Affiliation(s)
- Hongmei Xu
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 P. R. China
| | - Xiaodan Huang
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 P. R. China
| | - Zhenzhen Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 P. R. China
| | - Xuemeng Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 P. R. China
| | - Qianhao Min
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 P. R. China
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 P. R. China
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Song C, Peng Z, Lin X, Luo H, Song M, Jin L, Xiao X, Ji H. Study on Interaction Between TATA-Box Binding Protein (TBP), TATA-Box and Multiprotein Bridging Factor 1(MBF1) in Beauveria bassiana by Graphene-Based Electrochemical Biosensors. Front Chem 2020; 8:278. [PMID: 32351940 PMCID: PMC7174728 DOI: 10.3389/fchem.2020.00278] [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: 01/29/2020] [Accepted: 03/23/2020] [Indexed: 11/13/2022] Open
Abstract
The regulation of transcription level is an important step in gene expression process. Beauveria bassiana is a broad-spectrum insecticidal fungi widely used in the biologic control of arthropod. The regulation of its transcription level is a multilevel complex process. Multiprotein bridging factor 1(MBF1) is a transcriptional co-activator that bridges sequence-specific activators and the TATA-box binding protein(TBP), Little is known about the interaction between MBF1, TBP, and TBP binding to DNA(TATA-sequences)in filamentous fungi of Beauveria bassiana, The binding of TBP to TATA-box and TBP to MBF1 was investigated via electrochemical biosensor. Graphene oxide has an electronic mobility that is unattainable for any metal, so it will be highly sensitive as a test electrode. Hence, we developed a simple, sensitive and specific sensor based on an TBP probe and graphene oxide that successfully detected the interaction of TBP and TATA-box or MBF1. From the electrochemical impedance spectroscopy (EIS), we find that the radius will increase when adding TATA-box or MBF1 buffer to the modified TBP protein electrode. When adding no TATA-box or no MBF1, the radius is relatively unchanged. The interaction between TBP and TATA-box or MBF1 was proved based on the results. These data confirmed the specificity of the interactions, (1) our developed graphene-based electrochemical biosensor can be used for monitoring the interaction between TBP and TATA-box or MBF1, (2) TBP can bind to TATA-box, (3) TBP can bind to MBF1, and (4) TBP mediates the interactions of MBF1 to DNA. Therefore, this work provided a label-free, low-cost and simple detection method for the complex process of eukaryotic gene transcription regulation.
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Affiliation(s)
- Chi Song
- Department of Life Science and Technology, Changshu Institute of Technology, Changshu, China
| | - Zhijia Peng
- Key Laboratory of Optoelectronic Technology and Systems of Ministry of Education of China, Chongqing University, Chongqing, China
| | - Xiaogang Lin
- Key Laboratory of Optoelectronic Technology and Systems of Ministry of Education of China, Chongqing University, Chongqing, China
| | - Haoyue Luo
- Key Laboratory of Optoelectronic Technology and Systems of Ministry of Education of China, Chongqing University, Chongqing, China
| | - Min Song
- Key Laboratory of Optoelectronic Technology and Systems of Ministry of Education of China, Chongqing University, Chongqing, China
| | - Lifeng Jin
- Key Laboratory of Optoelectronic Technology and Systems of Ministry of Education of China, Chongqing University, Chongqing, China
| | - Xiangyue Xiao
- Department of Life Science and Technology, Changshu Institute of Technology, Changshu, China
| | - Hong Ji
- Department of Life Science and Technology, Changshu Institute of Technology, Changshu, China
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40
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Hu X, Li H, Huang X, Zhu Z, Zhu H, Gao Y, Zhu Z, Chen H. Cell membrane-coated gold nanoparticles for apoptosis imaging in living cells based on fluorescent determination. Mikrochim Acta 2020; 187:175. [PMID: 32072312 DOI: 10.1007/s00604-020-4130-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 01/20/2020] [Indexed: 12/26/2022]
Abstract
A nanoprobe was developed to achieve apoptosis detection by cell membrane-functionalized gold nanoparticles (AuNP-pep@Mem). The fluorescence of the fluorescein isothiocyanate isomer I (FITC)-labeled caspase-3 substrates was quenched by the attachment to AuNPs. The fluorescence signal was recovered via the cleavage of caspase-3 under apoptotic conditions. It exhibited a low detection limit of 1.3 pg·mL-1 with a linear range from 3.2 to 100 pg·mL-1 for caspase-3 detection with excitation wavelength of 490 nm. After wrapped by the cell membrane, the nanoprobe was effectively delivered into cells with high cell permeability. AuNP-pep@Mem nanoprobe provided signal enhancement of 1.8 times in living cells compared to non-membrane-coated nanoparticles (AuNP-pep). In combination with its excellent stability, low LOD and good specificity, the AuNP-pep@Mem probe can be an ideal probe for fluorescence imaging of apoptosis. Graphical abstractSchematic representation of fluorescent determination for apoptosis in living cells based on cell membrane-coated gold nanoparticls.
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Affiliation(s)
- Xiaojun Hu
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai, 200444, People's Republic of China
| | - Hongjie Li
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai, 200444, People's Republic of China.,Shanghai Key Laboratory of Bio-Energy Crop, School of Life Sciences, Shanghai University, Shanghai, 200444, People's Republic of China
| | - Xing Huang
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai, 200444, People's Republic of China
| | - Zhikang Zhu
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai, 200444, People's Republic of China
| | - Han Zhu
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai, 200444, People's Republic of China
| | - Yao Gao
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai, 200444, People's Republic of China
| | - Zhongzheng Zhu
- Department of Oncology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, People's Republic of China
| | - Hongxia Chen
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai, 200444, People's Republic of China.
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41
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Xiong J, Li S, Li Y, Chen Y, Liu Y, Gan J, Ju J, Xian Y, Xiong X. Fluorescent Aptamer-Polyethylene Glycol Functionalized Graphene Oxide Biosensor for Profenofos Detection in Food. Chem Res Chin Univ 2019. [DOI: 10.1007/s40242-019-9257-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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42
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Joshi S, Sharma P, Siddiqui R, Kaushal K, Sharma S, Verma G, Saini A. A review on peptide functionalized graphene derivatives as nanotools for biosensing. Mikrochim Acta 2019; 187:27. [PMID: 31811393 DOI: 10.1007/s00604-019-3989-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 10/28/2019] [Indexed: 12/20/2022]
Abstract
Peptides exhibit unique binding behavior with graphene and its derivatives by forming bonds on its edges and planes. This makes them useful for sensing and imaging applications. This review with (155 refs.) summarizes the advances made in the last decade in the field of peptide-GO bioconjugation, and the use of these conjugates in analytical sciences and imaging. The introduction emphasizes the need for understanding the biotic-abiotic interactions in order to construct controllable peptide-functionalized graphitic material-based nanotools. The next section covers covalent and non-covalent interactions between peptide and oxidized graphene derivatives along with a discussion of the adsorption events during interfacing. We then describe applications of peptide-graphene conjugates in bioassays, with subsections on (a) detection of cancer cells, (b) monitoring protease activity, (c) determination of environmental pollutants and (d) determination of pathogenic microorganisms. The concluding section describes the current status of peptide functionalized graphitic bioconjugates and addresses future perspectives. Graphical abstractSchematic representation depicting biosensing applications of peptide functionalized graphene oxide.
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Affiliation(s)
- Shubhi Joshi
- Energy Research Centre, Panjab University, Sector 14, Chandigarh, 160014, India
| | - Pratibha Sharma
- Department of Biophysics, Panjab University, Sector 25, Chandigarh, 160014, India
| | - Ruby Siddiqui
- Department of Biophysics, Panjab University, Sector 25, Chandigarh, 160014, India
| | - Kanica Kaushal
- Department of Biophysics, Panjab University, Sector 25, Chandigarh, 160014, India
| | - Shweta Sharma
- Institute of Forensic Science & Criminology (UIEAST), Panjab University, Sector 14, Chandigarh, 160014, India
| | - Gaurav Verma
- Dr. S.S. Bhatnagar University Institute of Chemical Engineering & Technology (Dr.SSBUICET), Panjab University, Sector 14, Chandigarh, 160014, India
- Centre for Nanoscience and Nanotechnology (UIEAST), Panjab University, Sector 14, Chandigarh, 160014, India
| | - Avneet Saini
- Department of Biophysics, Panjab University, Sector 25, Chandigarh, 160014, India.
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43
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Yin X, Yang B, Chen B, He M, Hu B. Multifunctional Gold Nanocluster Decorated Metal–Organic Framework for Real-Time Monitoring of Targeted Drug Delivery and Quantitative Evaluation of Cellular Therapeutic Response. Anal Chem 2019; 91:10596-10603. [DOI: 10.1021/acs.analchem.9b01721] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Xiao Yin
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Bin Yang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Beibei Chen
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Man He
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Bin Hu
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Department of Chemistry, Wuhan University, Wuhan 430072, China
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44
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Panwar N, Soehartono AM, Chan KK, Zeng S, Xu G, Qu J, Coquet P, Yong KT, Chen X. Nanocarbons for Biology and Medicine: Sensing, Imaging, and Drug Delivery. Chem Rev 2019; 119:9559-9656. [DOI: 10.1021/acs.chemrev.9b00099] [Citation(s) in RCA: 238] [Impact Index Per Article: 47.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Nishtha Panwar
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Alana Mauluidy Soehartono
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Kok Ken Chan
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Shuwen Zeng
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
- CINTRA CNRS/NTU/THALES, UMI 3288, Research Techno Plaza, 50 Nanyang Drive, Border X Block, Singapore 637553, Singapore
| | - Gaixia Xu
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education/Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, P. R. China
| | - Junle Qu
- Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education/Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, P. R. China
| | - Philippe Coquet
- CINTRA CNRS/NTU/THALES, UMI 3288, Research Techno Plaza, 50 Nanyang Drive, Border X Block, Singapore 637553, Singapore
- Institut d’Electronique, de Microélectronique et de Nanotechnologie (IEMN), CNRS UMR 8520—Université de Lille, 59650 Villeneuve d’Ascq, France
| | - Ken-Tye Yong
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, Maryland 20892, United States
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45
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Xiao Song, Hu L, Pang X, Li S. Synthesis of a Novel Mesoporous Carbon Nanocube@Mesoporous Silica@Poly(acrylic acid) Composite and Application As Potential Drug Carriers. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2019. [DOI: 10.1134/s003602441907029x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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46
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Jia Y, Yan X, Guo X, Zhou G, Liu P, Li Z. One Step Preparation of Peptide-Coated Gold Nanoparticles with Tunable Size. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E2107. [PMID: 31262008 PMCID: PMC6651442 DOI: 10.3390/ma12132107] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 06/23/2019] [Accepted: 06/28/2019] [Indexed: 01/27/2023]
Abstract
Gold nanoparticles (AuNPs) made from self-assembling peptides have been used in many research fields and attracted a great deal of attention due to their high stability, biocompatibility and functionality. However, existing preparation methods for peptide-coated AuNPs are post-synthesis processes, which are complicated and time consuming. Therefore, a one-step preparation method for peptide-coated AuNPs is proposed here. The AuNPs obtained by this method exhibit good stability. Importantly, peptide-coated AuNPs with precise different sizes can be prepared by this method through pH control of reducing reagent tyrosine in range of 10.0~12.7. Thus, the one-step preparation method proposed here provides a significant tool for the research in different fields concerning NP size, stability and biocompatibility.
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Affiliation(s)
- Yongmei Jia
- Key Laboratory of Clean Energy Materials Chemistry of Guangdong Higher Education Institutes, School of Chemistry and Chemical Engineering, Lingnan Normal University, Cunjin Road, Zhanjiang 524048, China
| | - Xiaoning Yan
- Key Laboratory of Clean Energy Materials Chemistry of Guangdong Higher Education Institutes, School of Chemistry and Chemical Engineering, Lingnan Normal University, Cunjin Road, Zhanjiang 524048, China
| | - Xin Guo
- Key Laboratory of Clean Energy Materials Chemistry of Guangdong Higher Education Institutes, School of Chemistry and Chemical Engineering, Lingnan Normal University, Cunjin Road, Zhanjiang 524048, China
| | - Guohua Zhou
- Key Laboratory of Clean Energy Materials Chemistry of Guangdong Higher Education Institutes, School of Chemistry and Chemical Engineering, Lingnan Normal University, Cunjin Road, Zhanjiang 524048, China.
| | - Peilian Liu
- Key Laboratory of Clean Energy Materials Chemistry of Guangdong Higher Education Institutes, School of Chemistry and Chemical Engineering, Lingnan Normal University, Cunjin Road, Zhanjiang 524048, China
| | - Zhiguo Li
- Key Laboratory of Clean Energy Materials Chemistry of Guangdong Higher Education Institutes, School of Chemistry and Chemical Engineering, Lingnan Normal University, Cunjin Road, Zhanjiang 524048, China
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47
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Wu L, Hu Y, He Y, Xia Y, Lu H, Cao Z, Yi X, Wang J. Dual-channel surface plasmon resonance monitoring of intracellular levels of the p53-MDM2 complex and caspase-3 induced by MDM2 antagonist Nutlin-3. Analyst 2019; 144:3959-3966. [PMID: 31134974 DOI: 10.1039/c9an00301k] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
MDM2 can mediate the degradation of tumor suppressor p53 through an autoregulatory feedback loop, in which MDM2 abolishes wild-type p53 function and accelerates malignant transformation. However, the incorporation of MDM2 antagonist Nutlin-3 could reactivate the transcriptional activity of p53, up-regulate caspase-3, and induce apoptosis. In this work, the simultaneous and label-free monitoring of p53-MDM2 complex and caspase-3 levels in cancer cells before and after Nutlin-3 treatment was conducted using dual-channel surface plasmon resonance (SPR). The p53-MDM2 complex was captured in one fluidic channel covered with consensus double-stranded (ds)-DNA, while the other channel was pre-immobilized with caspase-3-specific biotinylated DEVD-containing peptides. To amplify the SPR signals, the attachment of streptavidin (SA)-conjugated anti-MDM2 antibody in both channels was achieved. The signal diversity before and after Nutlin-3 treatment is indicative of the difference in the levels of the intracellular p53-MDM2 complex and caspase-3. The limit of detection for p53-MDM2 and caspase-3 down to 4.54 pM and 0.03 ng mL-1, respectively, was attained. Upon treatment with Nutlin-3, MCF-7 cancer cells with wild-type p53 showed decreased expression of the p53-MDM2 complex and an increased caspase-3 level, while MDA-MB-231 cancer cells with mutant p53 exhibited an elevated caspase-3 level and unchanged p53-MDM2 complex expression. The apoptosis of MCF-7 and MDA-MB-231 cancer cells upon Nutlin-3 treatment follows a p53-dependent and a p53-independent pathway, respectively. The proposed method is sensitive, selective and label-free, holding great promise for assaying intracellular p53-MDM2 complex and caspase-3 levels and differentiating Nutlin-3-mediated p53-dependent or p53-independent apoptotic pathways.
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Affiliation(s)
- Ling Wu
- College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, P. R China.
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48
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Li X, Li Y, Qiu Q, Wen Q, Zhang Q, Yang W, Yuwen L, Weng L, Wang L. Efficient biofunctionalization of MoS2 nanosheets with peptides as intracellular fluorescent biosensor for sensitive detection of caspase-3 activity. J Colloid Interface Sci 2019; 543:96-105. [DOI: 10.1016/j.jcis.2019.02.011] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 01/18/2019] [Accepted: 02/04/2019] [Indexed: 01/01/2023]
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49
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Hu X, Xia XX, Huang SC, Qian ZG. Development of Adhesive and Conductive Resilin-Based Hydrogels for Wearable Sensors. Biomacromolecules 2019; 20:3283-3293. [DOI: 10.1021/acs.biomac.9b00389] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Xiao Hu
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, and School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, People’s Republic of China
| | - Xiao-Xia Xia
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, and School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, People’s Republic of China
| | - Sheng-Chen Huang
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, and School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, People’s Republic of China
| | - Zhi-Gang Qian
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, and School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, People’s Republic of China
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50
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Liu X, Song X, Luan D, Hu B, Xu K, Tang B. Real-Time in Situ Visualizing of the Sequential Activation of Caspase Cascade Using a Multicolor Gold-Selenium Bonding Fluorescent Nanoprobe. Anal Chem 2019; 91:5994-6002. [PMID: 30942074 DOI: 10.1021/acs.analchem.9b00452] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The caspase cascade is an ensemble of very important signaling molecules that plays a critical role in cell apoptosis. Real-time monitoring of the upstream and downstream activation relationships of the caspases in the signal pathway is of great significance for understanding the regulatory mechanisms of these signaling molecules in the development of various diseases. Herein, a multicolor fluorescent nanoprobe, GNP-Se-Casp, has been developed based on Au-Se bonding for real-time in situ monitoring caspase- (casp-) 3, 8, and 9 during cell apoptosis. In the real-time fluorescence imaging of apoptotic HeLa cells induced by staurosporine using GNP-Se-Casp, the fluorescence signals corresponding to casp-8 and casp-9 sequentially turn on, followed by the appearance of the fluorescence of casp-3, which visualizes the upstream and downstream relationships of casp-3, -8, and -9. Thus, GNP-Se-Casp is an effective tool for real-time in situ monitoring of caspase cascade activation in the apoptosis process of tumor cells. This design strategy is easily adaptable to in situ detection of other signal molecules, especially those with upstream and downstream activation relationships.
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Affiliation(s)
- Xiaojun Liu
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science , Shandong Normal University , Jinan 250014 , People's Republic of China
| | - Xiaoxiao Song
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science , Shandong Normal University , Jinan 250014 , People's Republic of China
| | - Dongrui Luan
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science , Shandong Normal University , Jinan 250014 , People's Republic of China
| | - Bo Hu
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science , Shandong Normal University , Jinan 250014 , People's Republic of China
| | - Kehua Xu
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science , Shandong Normal University , Jinan 250014 , People's Republic of China
| | - Bo Tang
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science , Shandong Normal University , Jinan 250014 , People's Republic of China
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