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Ma Y, Zhang H, Shen X, Yang X, Deng Y, Tian Y, Chen Z, Pan Y, Luo H, Zhong C, Yu S, Lu A, Zhang B, Tang T, Zhang G. Aptamer Functionalized Hypoxia-potentiating Agent and Hypoxia-inducible Factor Inhibitor Combined with Hypoxia-activated Prodrug for Enhanced Tumor Therapy. Cancer Lett 2024; 598:217102. [PMID: 38969157 DOI: 10.1016/j.canlet.2024.217102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 06/22/2024] [Accepted: 07/01/2024] [Indexed: 07/07/2024]
Abstract
Triple-negative breast cancer (TNBC) is the most lethal subtype of breast cancer. Hypoxia-activated prodrugs (HAPs) have shown promise as potential therapeutic agents for TNBC. While increasing hypoxia levels may promote the HAP activation, it raises concerns regarding HIF1α-dependent drug resistance. It is desirable to develop a targeted approach that enhances tumor hypoxia for HAP activation without promoting HIF1α-dependent drug resistance in TNBC treatment. Herein, we proposed a multi-responsive carrier-free self-assembled nanomedicine named AQ4N@CA4T1ASO. This nanomedicine first targeted tumors by the TNBC-targeting aptamers (T1), and then disassembled in the reductive and acidic conditions within tumors. The released Combretastatin 4 (CA4) could exacerbate hypoxia, thereby promoting the conversion of inactive Banoxantrone (AQ4N) to its active form, AQ4. Simultaneously, the released antisense oligonucleotide (ASO) could attenuate hypoxia-induced HIF1α mRNA expression, thereby sensitizing the tumor to chemotherapy. Overall, this smart nanomedicine represents a profound targeted therapy strategy, combining "hypoxia-potentiating, hypoxia-activated, chemo-sensitization" approaches for TNBC treatment. In vivo study demonstrated significant suppression of tumor growth, highlighting the promising potential of this nanomedicine for future clinical translation.
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Affiliation(s)
- Yuan Ma
- Law Sau Fai Institute for Advancing Translational Medicine in Bone &Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR 999077, China
| | - Huarui Zhang
- Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR 999077, China
| | - Xinyang Shen
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Xin Yang
- Law Sau Fai Institute for Advancing Translational Medicine in Bone &Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR 999077, China
| | - Yan Deng
- Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR 999077, China
| | - Yuan Tian
- Law Sau Fai Institute for Advancing Translational Medicine in Bone &Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR 999077, China
| | - Zefeng Chen
- Law Sau Fai Institute for Advancing Translational Medicine in Bone &Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR 999077, China
| | - Yufei Pan
- Law Sau Fai Institute for Advancing Translational Medicine in Bone &Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR 999077, China
| | - Hang Luo
- Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR 999077, China
| | - Chuanxin Zhong
- Law Sau Fai Institute for Advancing Translational Medicine in Bone &Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR 999077, China
| | - Sifan Yu
- Law Sau Fai Institute for Advancing Translational Medicine in Bone &Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR 999077, China
| | - Aiping Lu
- Law Sau Fai Institute for Advancing Translational Medicine in Bone &Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR 999077, China
| | - Baoting Zhang
- Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR 999077, China.
| | - Tao Tang
- Department of Gynecology, The Sixth Affiliated Hospital of Jinan University, Dongguan Eastern Central Hospital, Dongguan, Guangdong 523560, China; Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR 999077, China.
| | - Ge Zhang
- Law Sau Fai Institute for Advancing Translational Medicine in Bone &Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR 999077, China.
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Sawamura R, Masuya-Suzuki A, Iki N. Study on cellular uptake of a hydrophobic near-infrared-absorbing diradical-platinum(II) complex solubilized by albumin using hyperspectral imaging, spectrophotometry, and spectrofluorimetry. ANAL SCI 2024:10.1007/s44211-024-00621-8. [PMID: 38896386 DOI: 10.1007/s44211-024-00621-8] [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: 04/07/2024] [Accepted: 06/12/2024] [Indexed: 06/21/2024]
Abstract
Owing to its biopenetrability and minimal invasiveness, near-infrared (NIR) light in the region between 700-1100 nm has attracted attention in cancer diagnosis and therapy. Our group previously reported that the hydrophobic diradical-platinum(II) complex PtL2 is a promising agent for cancer photothermal therapy (L = 3,5-dibromo-1,2-diiminobenzosemiquinonate radical). Because PtL2 does not fluoresce, its intercellular uptake of PtL2 cannot be observed with a fluorescence microscope. In this study, we clarified the uptake and intracellular behavior of PtL2 solubilized by bovine serum albumin (BSA) using hyperspectral imaging enabling spectrophotometric analysis of the image. The spectral changes in the obtained images indicated that the internalization of PtL2 was followed by crystallization of the complex during the long incubation period (> 4 h). Additionally, the binding constant Kb = 5.91 × 104 M-1 could be estimated upon fluorescence quenching analysis of BSA upon binding of PtL2; Kb is two orders of magnitude smaller than that of albumin-common drugs. Considering the small Kb and low solubility of PtL2 in water, we ultimately proposed the internalization path and fate of PtL2 in the cell: release of PtL2 from BSA near cellular membranes and subsequent cellular uptake via membrane permeation followed by saturation, resulting in crystallization.
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Affiliation(s)
- Ryota Sawamura
- Graduate School of Environmental Studies, Tohoku University, 6-6-07 Aramaki-Aoba, Aoba-Ku, Sendai, 980-8579, Japan.
| | - Atsuko Masuya-Suzuki
- Graduate School of Sciences and Technology for Innovation, Yamaguchi University, 1677-1 Yoshida, Yamaguchi, 753-8511, Japan
| | - Nobuhiko Iki
- Graduate School of Environmental Studies, Tohoku University, 6-6-07 Aramaki-Aoba, Aoba-Ku, Sendai, 980-8579, Japan.
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Zhang T, Huang Y, Chen X, Zheng F, Shen Y, Chen G, Ye Q, Chen K, Xiao X, Peng Y. Tetraphenylethylene-based AIE nanoprobes for labeling lysosome by two-photon imaging in living cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 306:123630. [PMID: 37948932 DOI: 10.1016/j.saa.2023.123630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 11/01/2023] [Accepted: 11/06/2023] [Indexed: 11/12/2023]
Abstract
Lysosomes are essential cellular organelles, serving vital functions in cellular metabolism and degradation. The design of specifically targeting lysosomes probes with aggregation-induced emission (AIE) characteristics using two-photon excitation techniques is significance and challenging work. Here we designed and synthesized two tetraphenylethylene (TPE)-based AIE fluorescence probes, naming TPE-Ma and TPE-Py, with TPE as the matrix and morpholine (Ma) or pyrrolidone (Py) as the targeting group. These probes exhibit a significant Stokes shift, low cytotoxicity, two-photo fluorescence imaging and lysosome-specific targeting capability ensuring their suitability for fluorescence imaging applications. To enhance the water solubility and cellular accumulation of TPE-Ma and TPE-Py in tumor cells, we employed a biocompatible polymer 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[methoxy(polyethylene glycol)-2000] (DSPE-mPEG2000) as a nanocarrier. By encapsulating TPE-Ma and TPE-Py within DSPE-mPEG2000, we successfully developed two AIE fluorescent nanoprobes known as DSPE@ TPE-Ma and DSPE@ TPE-Py. The results demonstrated that fluorescent nanoprobes DSPE@ TPE-Ma and DSPE@ TPE-Py possess excellent cell permeability, biocompatibility, superior photostability and specific targeting towards lysosomes in MCF-7 cells. Our findings highlight the potential of these fluorescent nanoprobes as effective tools for two-photon fluorescence imaging and targeted detection of lysosomes in cancer cells.
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Affiliation(s)
- Tiantian Zhang
- College of Chemistry & Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Provincial Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, China
| | - Yan Huang
- College of Chemistry & Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Provincial Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, China
| | - Xiuqin Chen
- College of Chemistry & Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Provincial Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, China
| | - Fangmei Zheng
- College of Chemistry & Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Provincial Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, China
| | - Yating Shen
- College of Chemistry & Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Provincial Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, China
| | - Guizhi Chen
- College of Chemistry & Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Provincial Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, China
| | - Qiuhao Ye
- College of Chemistry & Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Provincial Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, China
| | - Kuizhi Chen
- College of Chemistry & Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Provincial Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, China
| | - Xiufeng Xiao
- College of Chemistry & Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Provincial Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, China
| | - Yiru Peng
- College of Chemistry & Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Provincial Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, China.
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Shamim M, Dinh J, Yang C, Nomura S, Kashiwagi S, Kang H, Choi HS, Henary M. Synthesis, Optical Properties, and In Vivo Biodistribution Performance of Polymethine Cyanine Fluorophores. ACS Pharmacol Transl Sci 2023; 6:1192-1206. [PMID: 37588753 PMCID: PMC10425993 DOI: 10.1021/acsptsci.3c00101] [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: 05/17/2023] [Indexed: 08/18/2023]
Abstract
Near-infrared (NIR) cyanine dyes showed enhanced properties for biomedical imaging. A systematic modification within the cyanine skeleton has been made through a facile design and synthetic route for optimal bioimaging. Herein, we report the synthesis of 11 NIR cyanine fluorophores and an investigation of their physicochemical properties, optical characteristics, photostability, and in vivo performance. All synthesized fluorophores absorb and emit within 610-817 nm in various solvents. These dyes also showed high molar extinction coefficients ranging from 27,000 to 270,000 cm-1 M-1, quantum yields 0.01 to 0.33, and molecular brightness 208-79,664 cm-1 M-1 in the tested solvents. Photostability data demonstrate that all tested fluorophores 28, 18, 20, 19, 25, and 24 are more photostable than the FDA-approved indocyanine green. In the biodistribution study, most compounds showed tissue-specific targeting to selectively accumulate in the adrenal glands, lymph nodes, or gallbladder while excreted to the hepatobiliary clearance route. Among the tested, compound 23 showed the best targetability to the bone marrow and lymph nodes. Since the safety of cyanine fluorophores is well established, rationally designed cyanine fluorophores established in the current study will expand an inventory of contrast agents for NIR imaging of not only normal tissues but also cancerous regions originating from these organs/tissues.
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Affiliation(s)
- Md Shamim
- Department
of Chemistry, Center of Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
| | - Jason Dinh
- Gordon
Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, United States
| | - Chengeng Yang
- Gordon
Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, United States
| | - Shinsuke Nomura
- Gordon
Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, United States
| | - Satoshi Kashiwagi
- Gordon
Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, United States
| | - Homan Kang
- Gordon
Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, United States
| | - Hak Soo Choi
- Gordon
Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, United States
| | - Maged Henary
- Department
of Chemistry, Center of Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
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5
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Yu H, Chen J, Chen X, Zhang T, Li Y, Chen K, Peng Y, Chen L. Morpholinyl silicon phthalocyanine nanoparticles with lysosome cell death and two-photon imaging functions for in vitro photodynamic therapy of cancer cells. Front Bioeng Biotechnol 2023; 11:1181448. [PMID: 37214289 PMCID: PMC10196173 DOI: 10.3389/fbioe.2023.1181448] [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: 03/07/2023] [Accepted: 04/24/2023] [Indexed: 05/24/2023] Open
Abstract
The lysosome is an important target for realizing antitumor therapy. Lysosomal cell death exerts significant therapeutic effects on apoptosis and drug-resistance. The development of lysosome-targeting nanoparticles to obtain efficient cancer treatment is challenging. In this article, nanoparticles composed of DSPE@M-SiPc and possessing bright two-photon fluorescence, lysosome targeting ability, and photodynamic therapy multifunctionalities are prepared by encapsulating morpholinyl-substituted silicon phthalocyanine (M-SiPc) with 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[methoxy(poly(ethylene glycol))-2000] (DSPE). Two photon fluorescence bioimaging showed that M-SiPc and DSPE@M-SiPc mainly locate in lysosomes after cellular internalization. Upon irradiation, DSPE@M-SiPc effectively generates reactive oxygen species and damages the function of lysosome, subsequently leading to lysosomal cell death. DSPE@M-SiPc is a promising photosensitizer for cancer treatment.
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Affiliation(s)
- Hongjie Yu
- College of Chemistry and Chemical Engineering, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Province Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, China
| | - Jianling Chen
- College of Photonic & Electronic Engineering, Fujian Normal University, Fuzhou, China
| | - Xiuqin Chen
- College of Chemistry and Chemical Engineering, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Province Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, China
| | - Tiantian Zhang
- College of Chemistry and Chemical Engineering, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Province Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, China
| | - Yuyang Li
- Department of Pathology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - Kuizhi Chen
- College of Chemistry and Chemical Engineering, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Province Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, China
| | - Yiru Peng
- College of Chemistry and Chemical Engineering, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Province Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, China
| | - Linying Chen
- Department of Pathology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
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6
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Crawford H, Dimitriadi M, Bassin J, Cook MT, Abelha TF, Calvo‐Castro J. Mitochondrial Targeting and Imaging with Small Organic Conjugated Fluorophores: A Review. Chemistry 2022; 28:e202202366. [PMID: 36121738 PMCID: PMC10092527 DOI: 10.1002/chem.202202366] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Indexed: 12/30/2022]
Abstract
The last decade has seen an increasingly large number of studies reporting on the development of novel small organic conjugated systems for mitochondrial imaging exploiting optical signal transduction pathways. Mitochondria are known to play a critical role in a number of key biological processes, including cellular metabolism. Importantly, irregularities on their working function are nowadays understood to be intimately linked to a range of clinical conditions, highlighting the importance of targeting mitochondria for therapeutic benefits. In this work we carry out an in-depth evaluation on the progress to date in the field to pave the way for the realization of superior alternatives to those currently existing. The manuscript is structured by commonly used chemical scaffolds and comprehensively covers key aspects factored in design strategies such as synthetic approaches as well as photophysical and biological characterization, to foster collaborative work among organic and physical chemists as well as cell biologists.
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Affiliation(s)
- Hannah Crawford
- School of Life and Medical SciencesUniversity of HertfordshireAL109ABHatfieldUK
| | - Maria Dimitriadi
- School of Life and Medical SciencesUniversity of HertfordshireAL109ABHatfieldUK
| | - Jatinder Bassin
- School of Life and Medical SciencesUniversity of HertfordshireAL109ABHatfieldUK
| | - Michael T. Cook
- School of Life and Medical SciencesUniversity of HertfordshireAL109ABHatfieldUK
| | - Thais Fedatto Abelha
- Department of Pharmacology, Toxicology and Therapeutic ChemistryFaculty of Pharmacy and Food ScienceUniversity of Barcelona08028BarcelonaSpain
- Institute of Nanoscience and NanotechnologyUniversity of Barcelona (IN2UB)08028BarcelonaSpain
| | - Jesus Calvo‐Castro
- School of Life and Medical SciencesUniversity of HertfordshireAL109ABHatfieldUK
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