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Kazeminava F, Javanbakht S, Latifi Z, Rasoulzadehzali M, Abbaszadeh M, Alimohammadzadeh B, Mahdipour M, Fattahi A, Hamishehkar H, Adibag Z, Nouri M. Ultrasound-assisted encapsulating folic acid-based carbon quantum dots within breast cancer cell-derived exosomes as a co-receptors-mediated anticancer nanocarrier for enhanced breast cancer therapy. Sci Rep 2024; 14:16941. [PMID: 39043763 PMCID: PMC11266556 DOI: 10.1038/s41598-024-67934-6] [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: 03/16/2024] [Accepted: 07/17/2024] [Indexed: 07/25/2024] Open
Abstract
The nonspecific nature of cancer drug delivery often results in substantial toxic side effects during treatments for breast cancer. To mitigate these negative outcomes, our approach involves loading methotrexate (MTX) within carbon quantum dots (CQDs) synthesized from folic acid, which are then enveloped in exosomal membranes obtained from breast cancer cells (Ex@MTX-CQDs). Analysis utilizing nanoparticle tracking techniques has demonstrated that these Ex@MTX-CQDs maintain the physical and biochemical properties of their exosomal precursors. The release profile of MTX indicated a restricted release percentage (less than 10%) under normal physiological conditions, which is contrasted by a more consistent release rate (approximately 65%) when emulating the conditions found within tumor tissues. The toxicological assessments have confirmed that the presence of exosomes combined with leftover folic acid significantly improves the delivery efficacy of MTX directly to the cancerous cells through the binding to folate and heparan sulfate proteoglycan receptors. This process results in increased disruption of the mitochondrial membrane potential and subsequently triggers apoptosis, ultimately leading to the destruction of cancerous cells. Our research could potentially contribute to the further innovation and application of nanocarriers derived from biological sources for the targeted treatment of breast cancer.
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Affiliation(s)
- Fahimeh Kazeminava
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Siamak Javanbakht
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zeinab Latifi
- Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan, Iran
| | | | - Mahmoud Abbaszadeh
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Mahdi Mahdipour
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Fattahi
- Department of Reproductive Biology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamed Hamishehkar
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zahra Adibag
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Nouri
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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2
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Li J, He H, Liu S, Li X, Wu F. Revealing tumor cells and tissues with high selectivity through folic acid-targeted nanofluorescence probes responsive to acidic microenvironments. Front Oncol 2024; 14:1404148. [PMID: 38933449 PMCID: PMC11199542 DOI: 10.3389/fonc.2024.1404148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Accepted: 05/30/2024] [Indexed: 06/28/2024] Open
Abstract
Tumor-specific fluorescent probes must fulfill the dual requirements of targeted accumulation within tumors and high-resolution imaging capabilities. To achieve both tumor-targeted accumulation and high-resolution imaging performance, we developed a composite comprising an acid-responsive bodipy conjugated to amphiphilic PEG-b-PLA polymer, along with folic acid (FA)-modified PEG-b-PLA as a targeting moiety for active tumor-specific accumulation. Finally, a novel assembly of hybrid fluorescent nanoparticles was successfully synthesized by integrating these two components, demonstrating exceptional responsiveness to acidic conditions for fluorescence excitation and remarkable tumor-targeted accumulation capabilities. We conducted comprehensive in vitro and in vivo investigations employing techniques such as analysis of physicochemical properties, fluorescence-based probes detection at varying pH levels, assessment of in vitro cytotoxicity, evaluation of cellular uptake capacity, analysis of lysosomal co-localization imaging, examination of tumor fluorescence images in vivo, and investigation of biological distribution patterns. The results demonstrated that the acid-responsive nanofluorescence probe we designed and synthesized possesses desirable physical and chemical characteristics, including a small particle size and low cytotoxicity. Moreover, it exhibits rapid real-time response to acidic environments and displays enhanced fluorescence intensity, enabling the real-time tracking of probe entry into tumor cells as well as intracellular lysozyme accumulation. We achieved highly specific in vivo tumor visualization by combining nanoprobes targeting folate receptor. Through imaging cervical tumor mice, we demonstrated the precise imaging performance and high targeted accumulation of FA-targeted nanofluorescence probes in tumor tissue. Furthermore, we confirmed the in vivo safety of the FA-targeted nanofluorescence probe through biological distribution analysis. These findings highlight the potential widespread application of FA-targeted acid-responsive nanofluorescence probes for selective imaging of tumor cells and tissues.
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Affiliation(s)
- Jing Li
- Neurobiology Laboratory, Wannan Medical College, Wuhu, China
| | - Hongyi He
- College of Pharmacy, Hubei University of Science and Technology, Xianning, China
| | - Shuyan Liu
- Department of Obstetrics and Gynecology, Second Hospital of Jilin University, Changchun, China
| | - Xining Li
- School of Medicine, Huzhou University, Huzhou, China
| | - Fengfeng Wu
- Department of Orthopedics and Rehabilitation, Huzhou Hospital of Zhejiang University School of Medicine, Huzhou, China
- Department of Orthopedics and Rehabilitation, Huzhou Central Hospital, Huzhou, China
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3
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Halabi EA, Gessner I, Yang KS, Kim JJ, Jana R, Peterson HM, Spitzberg JD, Weissleder R. Magnetic Silica-Coated Fluorescent Microspheres (MagSiGlow) for Simultaneous Detection of Tumor-Associated Proteins. Angew Chem Int Ed Engl 2024; 63:e202318870. [PMID: 38578432 DOI: 10.1002/anie.202318870] [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: 12/08/2023] [Revised: 03/29/2024] [Accepted: 04/03/2024] [Indexed: 04/06/2024]
Abstract
Multiplexed bead assays for solution-phase biosensing often encounter cross-over reactions during signal amplification steps, leading to unwanted false positive and high background signals. Current solutions involve complex custom-designed and costly equipment, limiting their application in simple laboratory setup. In this study, we introduce a straightforward protocol to adapt a multiplexed single-bead assay to standard fluorescence imaging plates, enabling the simultaneous analysis of thousands of reactions per plate. This approach focuses on the design and synthesis of bright fluorescent and magnetic microspheres (MagSiGlow) with multiple fluorescent wavelengths serving as unique detection markers. The imaging-based, single-bead assay, combined with a scripted algorithm, allows the detection, segmentation, and co-localization on average of 7500 microspheres per field of view across five imaging channels in less than one second. We demonstrate the effectiveness of this method with remarkable sensitivity at low protein detection limits (100 pg/mL). This technique showed over 85 % reduction in signal cross-over to the solution-based method after the concurrent detection of tumor-associated protein biomarkers. This approach holds the promise of substantially enhancing high throughput biosensing for multiple targets, seamlessly integrating with rapid image analysis algorithms.
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Affiliation(s)
- Elias A Halabi
- Center for Systems Biology Massachusetts General Hospital, Harvard Medial School, 185 Cambridge Street, CPZN 5206, 02114, Boston, MA, USA
| | - Isabel Gessner
- Center for Systems Biology Massachusetts General Hospital, Harvard Medial School, 185 Cambridge Street, CPZN 5206, 02114, Boston, MA, USA
| | - Katherine S Yang
- Center for Systems Biology Massachusetts General Hospital, Harvard Medial School, 185 Cambridge Street, CPZN 5206, 02114, Boston, MA, USA
| | - Jae-Jun Kim
- Center for Systems Biology Massachusetts General Hospital, Harvard Medial School, 185 Cambridge Street, CPZN 5206, 02114, Boston, MA, USA
| | - Rupsa Jana
- Center for Systems Biology Massachusetts General Hospital, Harvard Medial School, 185 Cambridge Street, CPZN 5206, 02114, Boston, MA, USA
- CaNCURE Cancer Nanomedicine Research Program Mugar Life Sciences Bldg, Department of Biochemistry, Northeastern University, 330 Huntington Ave #203, 02115, Boston, MA, USA
| | - Hannah M Peterson
- Center for Systems Biology Massachusetts General Hospital, Harvard Medial School, 185 Cambridge Street, CPZN 5206, 02114, Boston, MA, USA
| | - Joshua D Spitzberg
- Center for Systems Biology Massachusetts General Hospital, Harvard Medial School, 185 Cambridge Street, CPZN 5206, 02114, Boston, MA, USA
| | - Ralph Weissleder
- Center for Systems Biology Massachusetts General Hospital, Harvard Medial School, 185 Cambridge Street, CPZN 5206, 02114, Boston, MA, USA
- Department of Systems Biology, Harvard Medical School, 200 Longwood Ave, 02115, Boston, MA, USA
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4
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Ehrhorn EG, Lovell P, Svechkarev D, Romanova S, Mohs AM. Optimizing the performance of silica nanoparticles functionalized with a near-infrared fluorescent dye for bioimaging applications. NANOTECHNOLOGY 2024; 35:10.1088/1361-6528/ad3fc5. [PMID: 38631329 PMCID: PMC11216106 DOI: 10.1088/1361-6528/ad3fc5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 04/17/2024] [Indexed: 04/19/2024]
Abstract
Modified fluorescent nanoparticles continue to emerge as promising candidates for drug delivery, bioimaging, and labeling tools for various biomedical applications. The ability of nanomaterials to fluorescently label cells allow for the enhanced detection and understanding of diseases. Silica nanoparticles have a variety of unique properties that can be harnessed for many different applications, causing their increased popularity. In combination with an organic dye, fluorescent nanoparticles demonstrate a vast range of advantageous properties including long photostability, surface modification, and signal amplification, thus allowing ease of manipulation to best suit bioimaging purposes. In this study, the Stöber method with tetraethyl orthosilicate (TEOS) and a fluorescent dye sulfo-Cy5-amine was used to synthesize fluorescent silica nanoparticles. The fluorescence spectra, zeta potential, quantum yield, cytotoxicity, and photostability were evaluated. The increased intracellular uptake and photostability of the dye-silica nanoparticles show their potential for bioimaging.
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Affiliation(s)
- Evie G. Ehrhorn
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, Nebraska, 68198, United States
| | - Paul Lovell
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
- Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, Nebraska, 68198, United States
| | - Denis Svechkarev
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
- Department of Chemistry, University of Nebraska at Omaha, Omaha, Nebraska 68182, United States
| | - Svetlana Romanova
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
| | - Aaron M. Mohs
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
- Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, Nebraska, 68198, United States
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, Nebraska, 68198, United States
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Wang C, Chen L, Tan R, Li Y, Zhao Y, Liao L, Ge Z, Ding C, Xing Z, Zhou P. Carbon dots and composite materials with excellent performances in cancer-targeted bioimaging and killing: a review. Nanomedicine (Lond) 2023. [PMID: 37965983 DOI: 10.2217/nnm-2023-0216] [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] [Indexed: 11/16/2023] Open
Abstract
Carbon dots (CDs) are nanomaterials with excellent properties, including good biocompatibility, small size, ideal photoluminescence and surface modification, and are becoming one of the most attractive nanomaterials for the imaging, detection and treatment of tumors. Based on these advantages, CDs can be combined other materials to obtain composite particles with improved, even new, performance, mainly in photothermal and photodynamic therapies. This paper reviews the research progress of CDs and their composites in targeted tumor imaging, detection, diagnosis, drug delivery and tumor killing. It also discusses and proposes the challenges and perspectives of their future applications in these fields. This review provides ideas for future applications of novel CD-based materials in the diagnosis and treatment of cancer.
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Affiliation(s)
- Chenggang Wang
- School & Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, PR China
- Key Laboratory of Dental Maxillofacial Reconstruction & Biological Intelligence Manufacturing of Gansu Province, Lanzhou University, Lanzhou, 730000, PR China
| | - Lixin Chen
- School & Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, PR China
| | - Rongshuang Tan
- School & Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, PR China
| | - Yuchen Li
- School & Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, PR China
| | - Yiqing Zhao
- School & Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, PR China
| | - Lingzi Liao
- School & Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, PR China
| | - Zhangjie Ge
- School & Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, PR China
| | - Chuanyang Ding
- School & Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, PR China
| | - Zhankui Xing
- The Second Hospital of Lanzhou University, Lanzhou, 730030, PR China
| | - Ping Zhou
- School & Hospital of Stomatology, Lanzhou University, Lanzhou, 730000, PR China
- Key Laboratory of Dental Maxillofacial Reconstruction & Biological Intelligence Manufacturing of Gansu Province, Lanzhou University, Lanzhou, 730000, PR China
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Huang Y, Li P, Zhao R, Zhao L, Liu J, Peng S, Fu X, Wang X, Luo R, Wang R, Zhang Z. Silica nanoparticles: Biomedical applications and toxicity. Biomed Pharmacother 2022; 151:113053. [PMID: 35594717 DOI: 10.1016/j.biopha.2022.113053] [Citation(s) in RCA: 65] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 04/24/2022] [Accepted: 04/26/2022] [Indexed: 11/19/2022] Open
Abstract
Silica nanoparticles (SiNPs) are composed of silicon dioxide, the most abundant compound on Earth, and are used widely in many applications including the food industry, synthetic processes, medical diagnosis, and drug delivery due to their controllable particle size, large surface area, and great biocompatibility. Building on basic synthetic methods, convenient and economical strategies have been developed for the synthesis of SiNPs. Numerous studies have assessed the biomedical applications of SiNPs, including the surface and structural modification of SiNPs to target various cancers and diagnose diseases. However, studies on the in vitro and in vivo toxicity of SiNPs remain in the exploratory stage, and the toxicity mechanisms of SiNPs are poorly understood. This review covers recent studies on the biomedical applications of SiNPs, including their uses in drug delivery systems to diagnose and treat various diseases in the human body. SiNP toxicity is discussed in terms of the different systems of the human body and the individual organs in those systems. This comprehensive review includes both fundamental discoveries and exploratory progress in SiNP research that may lead to practical developments in the future.
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Affiliation(s)
- Yanmei Huang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, PR China
| | - Peng Li
- Department of Nephrology, Yantai Yuhuangding Hospital, Qingdao University, Yantai 264005, Shandong, PR China
| | - Ruikang Zhao
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, PR China
| | - Laien Zhao
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, PR China
| | - Jia Liu
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, PR China
| | - Shengjun Peng
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, PR China
| | - Xiaoxuan Fu
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, PR China
| | - Xiaojie Wang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, PR China
| | - Rongrui Luo
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, PR China
| | - Rong Wang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, PR China
| | - Zhuhong Zhang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, PR China.
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Shi J, Shen M, Zhao W, Liu J, Qu Z, Zhu M, Chen Z, Shi P, Zhang Z, Zhang SS. Ultrasensitive Dual-Signal Detection of Telomerase and MiR-21 Based on Boolean Logic Operations. ACS APPLIED MATERIALS & INTERFACES 2021; 13:51393-51402. [PMID: 34665612 DOI: 10.1021/acsami.1c17912] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Telomerase and micro-RNAs (miRNAs) are simultaneously upregulated in a variety of tumor cells and have emerged as promising tumor markers. However, sensitive detection of telomerase and miRNAs in situ remains a great challenge due to their low expression levels. Here, we designed a Boolean logic "AND" signal amplification strategy based on functionalized ordered mesoporous nanoparticles (FOMNs) to achieve ultrasensitive detection of telomerase and miR-21 in living tumor cells. Briefly, the strategy uses telomerase as an input to enable the release of DNA3-ROX-BHQ hairpins by making the wrapping DNA1 form a DNA-a hairpin with the joint participation of dNTPs. Subsequently, DNA2-Ag, DNA3-ROX-BHQ, and the second input miR-21 participated in hybridization chain reaction to amplify fluorescence and Raman signals. Experimental results showed the intensity of output dual signals relevant to the expression levels of telomerase and miR-21. The Ag nanoparticles (AgNPs) not only enhanced the fluorescence signals but also allowed to obtain more sensitive Raman signals. Therefore, even if expression of tumor markers is at a low level, the FOMN-based dual-signal logic operation strategy can still achieve sensitive detection of telomerase and miR-21 in situ. Furthermore, FOMNs can detect miR-21 expression levels in a short time. Consequently, this strategy has a potential clinical application value in detection of tumor markers and the assessment of tumor treatment efficacy.
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Affiliation(s)
- Jiaju Shi
- Shandong Province Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University, Linyi 276000, P. R. China
| | - Meiqi Shen
- Shandong Province Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University, Linyi 276000, P. R. China
| | - Wenjie Zhao
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Jinhua Liu
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Zongjin Qu
- Shandong Province Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University, Linyi 276000, P. R. China
| | - Mengting Zhu
- Shandong Province Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University, Linyi 276000, P. R. China
| | - Zichao Chen
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Pengfei Shi
- Shandong Province Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University, Linyi 276000, P. R. China
| | - Zhen Zhang
- Shandong Province Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University, Linyi 276000, P. R. China
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Shu-Sheng Zhang
- Shandong Province Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University, Linyi 276000, P. R. China
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Prieto-Montero R, Prieto-Castañeda A, Katsumiti A, Cajaraville MP, Agarrabeitia AR, Ortiz MJ, Martínez-Martínez V. Functionalization of Photosensitized Silica Nanoparticles for Advanced Photodynamic Therapy of Cancer. Int J Mol Sci 2021; 22:6618. [PMID: 34205599 PMCID: PMC8234454 DOI: 10.3390/ijms22126618] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/15/2021] [Accepted: 06/16/2021] [Indexed: 01/10/2023] Open
Abstract
BODIPY dyes have recently attracted attention as potential photosensitizers. In this work, commercial and novel photosensitizers (PSs) based on BODIPY chromophores (haloBODIPYs and orthogonal dimers strategically designed with intense bands in the blue, green or red region of the visible spectra and high singlet oxygen production) were covalently linked to mesoporous silica nanoparticles (MSNs) further functionalized with PEG and folic acid (FA). MSNs approximately 50 nm in size with different functional groups were synthesized to allow multiple alternatives of PS-PEG-FA decoration of their external surface. Different combinations varying the type of PS (commercial Rose Bengal, Thionine and Chlorine e6 or custom-made BODIPY-based), the linkage design, and the length of PEG are detailed. All the nanosystems were physicochemically characterized (morphology, diameter, size distribution and PS loaded amount) and photophysically studied (absorption capacity, fluorescence efficiency, and singlet oxygen production) in suspension. For the most promising PS-PEG-FA silica nanoplatforms, the biocompatibility in dark conditions and the phototoxicity under suitable irradiation wavelengths (blue, green, or red) at regulated light doses (10-15 J/cm2) were compared with PSs free in solution in HeLa cells in vitro.
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Affiliation(s)
- Ruth Prieto-Montero
- Departamento de Química Física, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), 48080 Bilbao, Spain;
| | - Alejandro Prieto-Castañeda
- Departamento de Química Orgánica, Facultad de CC. Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain; (A.P.-C.); (A.R.A.)
| | - Alberto Katsumiti
- CBET Research Group, Department Zoology and Animal Cell Biology, Faculty of Science and Technology and Research Centre for Experimental Marine Biology and Biotechnology PiE, University of the Basque Country UPV/EHU, 48620 Basque Country, Spain; (M.P.C.)
- GAIKER Technology Centre, Basque Research and Technology Alliance (BRTA), 48170 Zamudio, Spain; (A.K.)
| | - Miren P. Cajaraville
- CBET Research Group, Department Zoology and Animal Cell Biology, Faculty of Science and Technology and Research Centre for Experimental Marine Biology and Biotechnology PiE, University of the Basque Country UPV/EHU, 48620 Basque Country, Spain; (M.P.C.)
| | - Antonia R. Agarrabeitia
- Departamento de Química Orgánica, Facultad de CC. Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain; (A.P.-C.); (A.R.A.)
| | - María J. Ortiz
- Departamento de Química Orgánica, Facultad de CC. Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain; (A.P.-C.); (A.R.A.)
| | - Virginia Martínez-Martínez
- Departamento de Química Física, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), 48080 Bilbao, Spain;
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