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Cho H, Huh KM, Shim MS, Cho YY, Lee JY, Lee HS, Kwon YJ, Kang HC. Selective delivery of imaging probes and therapeutics to the endoplasmic reticulum or Golgi apparatus: Current strategies and beyond. Adv Drug Deliv Rev 2024; 212:115386. [PMID: 38971180 DOI: 10.1016/j.addr.2024.115386] [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: 05/01/2024] [Revised: 06/14/2024] [Accepted: 07/01/2024] [Indexed: 07/08/2024]
Abstract
To maximize therapeutic effects and minimize unwanted effects, the interest in drug targeting to the endoplasmic reticulum (ER) or Golgi apparatus (GA) has been recently growing because two organelles are distributing hubs of cellular building/signaling components (e.g., proteins, lipids, Ca2+) to other organelles and the plasma membrane. Their structural or functional damages induce organelle stress (i.e., ER or GA stress), and their aggravation is strongly related to diseases (e.g., cancers, liver diseases, brain diseases). Many efforts have been developed to image (patho)physiological functions (e.g., oxidative stress, protein/lipid-related processing) and characteristics (e.g., pH, temperature, biothiols, reactive oxygen species) in the target organelles and to deliver drugs for organelle disruption using organelle-targeting moieties. Therefore, this review will overview the structure, (patho)physiological functions/characteristics, and related diseases of the organelles of interest. Future direction on ER or GA targeting will be discussed by understanding current strategies and investigations on targeting, imaging/sensing, and therapeutic systems.
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Affiliation(s)
- Hana Cho
- Department of Pharmacy, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, Republic of Korea
| | - Kang Moo Huh
- Departments of Polymer Science and Engineering & Materials Science and Engineering, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Min Suk Shim
- Division of Bioengineering, Incheon National University, Incheon 22012, Republic of Korea
| | - Yong-Yeon Cho
- Department of Pharmacy, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, Republic of Korea; Research Institute for Controls and Materials of Regulated Cell Death, The Catholic University of Korea, Bucheon 14662, Republic of Korea
| | - Joo Young Lee
- Department of Pharmacy, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, Republic of Korea; Research Institute for Controls and Materials of Regulated Cell Death, The Catholic University of Korea, Bucheon 14662, Republic of Korea
| | - Hye Suk Lee
- Department of Pharmacy, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, Republic of Korea; Research Institute for Controls and Materials of Regulated Cell Death, The Catholic University of Korea, Bucheon 14662, Republic of Korea
| | - Young Jik Kwon
- Department of Pharmaceutical Sciences, University of California, Irvine, CA 92697, USA
| | - Han Chang Kang
- Department of Pharmacy, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, Republic of Korea; Research Institute for Controls and Materials of Regulated Cell Death, The Catholic University of Korea, Bucheon 14662, Republic of Korea.
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2
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Dubey Y, Kanvah S. Fluorescent N-oxides: applications in bioimaging and sensing. Org Biomol Chem 2024. [PMID: 39206572 DOI: 10.1039/d4ob01086h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
N-Oxides, due to their zwitterionic nature and ability to form hydrogen bonds through the oxide ion, are highly water-soluble and widely used in biological and pharmacological studies. The N-oxide structural scaffold is introduced into molecules, enabling "turn-on" fluorescence via an intramolecular charge transfer (ICT) process. This process occurs when the N-O bond is cleaved, either through an enzymatic reaction under hypoxic conditions or by using Fe(II), which allows rapid and selective detection of Fe(II) at nanomolar concentrations both in vitro and in vivo. This review focuses on the literature published between 2010 and 2024, particularly emphasising N-oxide fluorophores and their applications in hypoxic cell lines, Fe(II) detection, and bioimaging.
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Affiliation(s)
- Yogesh Dubey
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar, India.
| | - Sriram Kanvah
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar, India.
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3
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Xu S, Yan KC, Xu ZH, Wang Y, James TD. Fluorescent probes for targeting the Golgi apparatus: design strategies and applications. Chem Soc Rev 2024; 53:7590-7631. [PMID: 38904177 DOI: 10.1039/d3cs00171g] [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: 06/22/2024]
Abstract
The Golgi apparatus is an essential organelle constructed by the stacking of flattened vesicles, that is widely distributed in eukaryotic cells and is dynamically regulated during cell cycles. It is a central station which is responsible for collecting, processing, sorting, transporting, and secreting some important proteins/enzymes from the endoplasmic reticulum to intra- and extra-cellular destinations. Golgi-specific fluorescent probes provide powerful non-invasive tools for the real-time and in situ visualization of the temporal and spatial fluctuations of bioactive species. Over recent years, more and more Golgi-targeting probes have been developed, which are essential for the evaluation of diseases including cancer. However, when compared with systems that target other important organelles (e.g. lysosomes and mitochondria), Golgi-targeting strategies are still in their infancy, therefore it is important to develop more Golgi-targeting probes. This review systematically summarizes the currently reported Golgi-specific fluorescent probes, and highlights the design strategies, mechanisms, and biological uses of these probes, we have structured the review based on the different targeting groups. In addition, we highlight the future challenges and opportunities in the development of Golgi-specific imaging agents and therapeutic systems.
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Affiliation(s)
- Silin Xu
- Key Laboratory of Chemo/Biosensing and Detection, Xuchang University, 461000, P. R. China.
| | - Kai-Cheng Yan
- Department of Chemistry, University of Bath, Bath, BA2 7AY, UK.
| | - Zhi-Hong Xu
- Key Laboratory of Chemo/Biosensing and Detection, Xuchang University, 461000, P. R. China.
- College of Chemical and Materials Engineering, Xuchang University, Xuchang, 461000, P. R. China
| | - Yuan Wang
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo 454000, P. R. China.
| | - Tony D James
- Department of Chemistry, University of Bath, Bath, BA2 7AY, UK.
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, P. R. China
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4
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Pezacki AT, Gonciarz RL, Okamura T, Matier CD, Torrente L, Cheng K, Miller SG, Ralle M, Ward NP, DeNicola GM, Renslo AR, Chang CJ. A tandem activity-based sensing and labeling strategy reveals antioxidant response element regulation of labile iron pools. Proc Natl Acad Sci U S A 2024; 121:e2401579121. [PMID: 38968123 PMCID: PMC11252945 DOI: 10.1073/pnas.2401579121] [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: 01/23/2024] [Accepted: 05/29/2024] [Indexed: 07/07/2024] Open
Abstract
Iron is an essential element for life owing to its ability to participate in a diverse array of oxidation-reduction reactions. However, misregulation of iron-dependent redox cycling can also produce oxidative stress, contributing to cell growth, proliferation, and death pathways underlying aging, cancer, neurodegeneration, and metabolic diseases. Fluorescent probes that selectively monitor loosely bound Fe(II) ions, termed the labile iron pool, are potentially powerful tools for studies of this metal nutrient; however, the dynamic spatiotemporal nature and potent fluorescence quenching capacity of these bioavailable metal stores pose challenges for their detection. Here, we report a tandem activity-based sensing and labeling strategy that enables imaging of labile iron pools in live cells through enhancement in cellular retention. Iron green-1 fluoromethyl (IG1-FM) reacts selectively with Fe(II) using an endoperoxide trigger to release a quinone methide dye for subsequent attachment to proximal biological nucleophiles, providing a permanent fluorescent stain at sites of elevated labile iron. IG1-FM imaging reveals that degradation of the major iron storage protein ferritin through ferritinophagy expands the labile iron pool, while activation of nuclear factor-erythroid 2-related factor 2 (NRF2) antioxidant response elements (AREs) depletes it. We further show that lung cancer cells with heightened NRF2 activation, and thus lower basal labile iron, have reduced viability when treated with an iron chelator. By connecting labile iron pools and NRF2-ARE activity to a druggable metal-dependent vulnerability in cancer, this work provides a starting point for broader investigations into the roles of transition metal and antioxidant signaling pathways in health and disease.
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Affiliation(s)
- Aidan T. Pezacki
- Department of Chemistry, University of California, Berkeley, CA94720
| | - Ryan L. Gonciarz
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA94158
| | - Toshitaka Okamura
- Department of Chemistry, University of California, Berkeley, CA94720
| | - Carson D. Matier
- Department of Chemistry, University of California, Berkeley, CA94720
| | - Laura Torrente
- Department of Metabolism and Physiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL33612
| | - Ke Cheng
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA94158
| | - Sophia G. Miller
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR97239
| | - Martina Ralle
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR97239
| | - Nathan P. Ward
- Department of Metabolism and Physiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL33612
| | - Gina M. DeNicola
- Department of Metabolism and Physiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL33612
| | - Adam R. Renslo
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA94158
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA94158
| | - Christopher J. Chang
- Department of Chemistry, University of California, Berkeley, CA94720
- Department of Molecular and Cell Biology, University of California, Berkeley, CA94720
- Helen Wills Neuroscience Institute, University of California, Berkeley, CA94720
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5
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Yan T, Wang X, Liu C, Cai X, Wang Y, Liu X, Rong X, Wang K, Li W, Sheng W, Zhu B. A Carbamoyl Oxime-Based Highly Specific Fluorescent Chemodosimeter for Monitoring Labile Fe 2+ in Food and Living Organisms. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:13341-13347. [PMID: 38830118 DOI: 10.1021/acs.jafc.4c04108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
Iron is an essential element in the composition of living organisms and plays a crucial role in a wide range of biological activities. The human body primarily obtains essential iron through the consumption of food. Therefore, it is vital for the health of human body to maintain iron homeostasis. The reducing character of the cellular microenvironment enables Fe2+ to occupy a dominant position within the cell. Hence, there is an urgent need for a simple and sensitive tool that can detect a large amount of Fe2+ in organisms. In this work, a highly specific fluorescent chemodosimeter NPCO ("NP" represents the naphthalimide fluorophore, and "CO" represents the carbamoyl oxime structure) for the detection of Fe2+ with excellent sensitivity (LOD = 82 nM) was constructed by incorporating a novel carbamoyl oxime structure as the recognition group. NPCO can be effectively employed for the detection of Fe2+ in food samples, living cells, and zebrafish. Furthermore, by using soybean sprouts as a model plant, the application of NPCO was expanded to detect Fe2+ in plants. Therefore, NPCO could be used as an excellent assay tool for detecting Fe2+ in organisms and is expected to be an important aid in exploring the mechanism of iron regulation.
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Affiliation(s)
- Tingyi Yan
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Xin Wang
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Caiyun Liu
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Xinyu Cai
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Yao Wang
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Xueting Liu
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Xiaodi Rong
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Kun Wang
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Wenzhai Li
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China
| | - Wenlong Sheng
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China
| | - Baocun Zhu
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
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6
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Duan X, Han H, Liu J, Qiu Y, Wang Y, Wu X, Zhang H, Zou Z, Qiu J, Chen C, Xiao F, Tian X. Deferasirox exerts anti-epileptic effects by improving brain iron homeostasis via regulation of ITPRIP. Neurochem Int 2024; 176:105725. [PMID: 38561151 DOI: 10.1016/j.neuint.2024.105725] [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: 02/19/2024] [Revised: 03/16/2024] [Accepted: 03/21/2024] [Indexed: 04/04/2024]
Abstract
Epilepsy constitutes a global health concern, affecting millions of individuals and approximately one-third of patients exhibit drug resistance. Recent investigations have revealed alterations in cerebral iron content in both epilepsy patients and animal models. However, the extant literature lacks a comprehensive exploration into the ramifications of modulating iron homeostasis as an intervention in epilepsy. This study investigated the impact of deferasirox, a iron ion chelator, on epilepsy. This study unequivocally substantiated the antiepileptic efficacy of deferasirox in a kainic acid-induced epilepsy model. Furthermore, deferasirox administration mitigated seizure susceptibility in a pentylenetetrazol-induced kindling model. Conversely, the augmentation of iron levels through supplementation has emerged as a potential exacerbating factor in the precipitating onset of epilepsy. Intriguingly, our investigation revealed a hitherto unreported discovery: ITPRIP was identified as a pivotal modulator of excitatory synaptic transmission, regulating seizures in response to deferasirox treatment. In summary, our findings indicate that deferasirox exerts its antiepileptic effects through the precise targeting of ITPRIP and amelioration of cerebral iron homeostasis, suggesting that deferasirox is a promising and novel therapeutic avenue for interventions in epilepsy.
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Affiliation(s)
- Xinhao Duan
- Department of Health Laboratory Technology, School of Public Health, Chongqing Medical University, Chongqing, 400016, China
| | - Huifang Han
- Department of Health Laboratory Technology, School of Public Health, Chongqing Medical University, Chongqing, 400016, China
| | - Jing Liu
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Neurology, Chongqing, 400016, China; Department of Neurology, Chongqing University Three Gorges Hospital, Chongqing, 404100, China
| | - Yu Qiu
- Department of Neurology, University-Town Hospital of Chongqing Medical University, Chongqing, 401331, China
| | - Yi Wang
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Xiaotian Wu
- Department of Clinical Laboratory, University-Town Hospital of Chongqing Medical University, Chongqing, 401331, China
| | - Hui Zhang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Neurology, Chongqing, 400016, China
| | - Zhen Zou
- Molecular Biology Laboratory of Respiratory Diseases, Institute of Life Sciences, Chongqing Medical University, Chongqing, 400016, China
| | - Jingfu Qiu
- Department of Health Laboratory Technology, School of Public Health, Chongqing Medical University, Chongqing, 400016, China
| | - Chengzhi Chen
- Department of Occupational and Environmental Health, School of Public Health, Chongqing Medical University, Chongqing, 400016, China.
| | - Fei Xiao
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Neurology, Chongqing, 400016, China; Key Laboratory of Major Brain Disease and Aging Research(Ministry of Education), Chongqing Medical University, Chongqing, 400016, China.
| | - Xin Tian
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Neurology, Chongqing, 400016, China; Key Laboratory of Major Brain Disease and Aging Research(Ministry of Education), Chongqing Medical University, Chongqing, 400016, China.
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7
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Dubey Y, Mansuri S, Kanvah S. Detecting labile heme and ferroptosis through 'turn-on' fluorescence and lipid droplet localization post Fe 2+ sensing. J Mater Chem B 2024; 12:4962-4974. [PMID: 38687117 DOI: 10.1039/d4tb00353e] [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: 05/02/2024]
Abstract
Iron, a crucial biologically active ion essential for metabolic processes in living organisms, plays a vital role in biological functions, and imbalances in iron levels can lead to various diseases. In this study, we have developed two simple "turn-on" fluorescent probes, NOPy and NOCN, for the quick and selective detection of Fe2+ at nanomolar levels (LOD of 35 nM), accompanied by significant absorption and emission shifts, along with colorimetric demarcation. Both fluorophores exhibit an excellent "turn-on" emission response upon encountering Fe2+ in the cells. Flow cytometry and confocal fluorescence imaging studies demonstrate enhanced fluorescence signals in response to labile iron, efficiently detecting heme during erastin-induced ferroptosis. Interestingly, we also observed that the product formed after Fe2+ sensing localizes within the lipid droplets. These water-soluble and highly sensitive reactive probes, NOPy and NOCN, enable investigations of iron-dependent physiological and pathological conditions. The development of these probes represents an advancement in the field, offering a rapid and selective means for detecting Fe2+ with minimal cytotoxicity.
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Affiliation(s)
- Yogesh Dubey
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar, Gujarat-382055, India.
| | - Shabnam Mansuri
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar, Gujarat-382055, India.
| | - Sriram Kanvah
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar, Gujarat-382055, India.
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8
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Grover K, Koblova A, Pezacki AT, Chang CJ, New EJ. Small-Molecule Fluorescent Probes for Binding- and Activity-Based Sensing of Redox-Active Biological Metals. Chem Rev 2024; 124:5846-5929. [PMID: 38657175 DOI: 10.1021/acs.chemrev.3c00819] [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: 04/26/2024]
Abstract
Although transition metals constitute less than 0.1% of the total mass within a human body, they have a substantial impact on fundamental biological processes across all kingdoms of life. Indeed, these nutrients play crucial roles in the physiological functions of enzymes, with the redox properties of many of these metals being essential to their activity. At the same time, imbalances in transition metal pools can be detrimental to health. Modern analytical techniques are helping to illuminate the workings of metal homeostasis at a molecular and atomic level, their spatial localization in real time, and the implications of metal dysregulation in disease pathogenesis. Fluorescence microscopy has proven to be one of the most promising non-invasive methods for studying metal pools in biological samples. The accuracy and sensitivity of bioimaging experiments are predominantly determined by the fluorescent metal-responsive sensor, highlighting the importance of rational probe design for such measurements. This review covers activity- and binding-based fluorescent metal sensors that have been applied to cellular studies. We focus on the essential redox-active metals: iron, copper, manganese, cobalt, chromium, and nickel. We aim to encourage further targeted efforts in developing innovative approaches to understanding the biological chemistry of redox-active metals.
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Affiliation(s)
- Karandeep Grover
- School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Alla Koblova
- School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Aidan T Pezacki
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
| | - Christopher J Chang
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, California 94720, United States
| | - Elizabeth J New
- School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, New South Wales 2006, Australia
- Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
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9
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Rowlands J, Moore DJ. VPS35 and retromer dysfunction in Parkinson's disease. Philos Trans R Soc Lond B Biol Sci 2024; 379:20220384. [PMID: 38368930 PMCID: PMC10874700 DOI: 10.1098/rstb.2022.0384] [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: 04/02/2023] [Accepted: 11/27/2023] [Indexed: 02/20/2024] Open
Abstract
The vacuolar protein sorting 35 ortholog (VPS35) gene encodes a core component of the retromer complex essential for the endosomal sorting and recycling of transmembrane cargo. Endo-lysosomal pathway deficits are suggested to play a role in the pathogenesis of neurodegenerative diseases, including Parkinson's disease (PD). Mutations in VPS35 cause a late-onset, autosomal dominant form of PD, with a single missense mutation (D620N) shown to segregate with disease in PD families. Understanding how the PD-linked D620N mutation causes retromer dysfunction will provide valuable insight into the pathophysiology of PD and may advance the identification of therapeutics. D620N VPS35 can induce LRRK2 hyperactivation and impair endosomal recruitment of the WASH complex but is also linked to mitochondrial and autophagy-lysosomal pathway dysfunction and altered neurotransmitter receptor transport. The clinical similarities between VPS35-linked PD and sporadic PD suggest that defects observed in cellular and animal models with the D620N VPS35 mutation may provide valuable insights into sporadic disease. In this review, we highlight the current knowledge surrounding VPS35 and its role in retromer dysfunction in PD. We provide a critical discussion of the mechanisms implicated in VPS35-mediated neurodegeneration in PD, as well as the interplay between VPS35 and other PD-linked gene products. This article is part of a discussion meeting issue 'Understanding the endo-lysosomal network in neurodegeneration'.
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Affiliation(s)
- Jordan Rowlands
- Department of Neurodegenerative Science, Van Andel Institute, Grand Rapids, MI 49503, USA
| | - Darren J. Moore
- Department of Neurodegenerative Science, Van Andel Institute, Grand Rapids, MI 49503, USA
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10
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Silswal A, P. K, Koner AL. Review on Lysosomal Metal Ion Detection Using Fluorescent Probes. ACS OMEGA 2024; 9:13494-13508. [PMID: 38559936 PMCID: PMC10975597 DOI: 10.1021/acsomega.3c08606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 02/21/2024] [Accepted: 02/27/2024] [Indexed: 04/04/2024]
Abstract
Metal ions are indispensable and play an important role in living systems. Metal ions coordinated to metalloenzymes pocket activate the bound substrate and labile metal ions maintaining the ionic balance. The amount of metal ions present in various subcellular compartments of the cells is highly regulated for maintaining cellular homeostasis. An imbalance in the metal ion concentration is related to several diseases and results in serious pathological conditions. Mostly the internalized metal ions are processed in the lysosomal compartment of the cell. A delicate regulation of metal ions in the lysosomal compartment can modulate the lysosomal pH and inhibit hydrolytic enzymes, which ultimately causes lysosomal storage disorders. In the past decade, the understanding and regulation of lysosomal metal ions based on fluorometric methods have gained significant attention. In this review, we have comprehensively summarized the development of various fluorescent reporters over the past five years for a selective and sensitive estimation of lysosomal metal ion concentration. We believe this consolidated and timely review will help researchers working in the areas associated with lysosomal metal ions.
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Affiliation(s)
| | | | - Apurba Lal Koner
- Bionanotechnology Lab, Department
of Chemistry, Indian Institute of Science
Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal 462066, Madhya
Pradesh India
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11
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Wang X, Li X, Zhou Y, Wei S, Li Y, Fan B, Jia C, Wang H, Xue B. A golgi-targeting and polarity-specific fluorescent probe for the diagnosis of cancer and fatty liver in living cells and tissues. Talanta 2024; 268:125367. [PMID: 37913597 DOI: 10.1016/j.talanta.2023.125367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 10/21/2023] [Accepted: 10/26/2023] [Indexed: 11/03/2023]
Abstract
Elucidating the intrinsic relationship between diseases and Golgi apparatus polarity remains a great challenge owing to the lack of the Golgi-specific fluorescent probe for polarity. Until now, the visualization of abnormal Golgi apparatus polarity in clinical cancer patient samples has not been achieved. To meet this urgent challenge, we facilely synthesized a robust Golgi-targeting and polarity-specific fluorescent probe (GCSP), which consists of an electron-acceptor solvatochromic coumarin 343 and an electron-donor Golgi-targeting group phenylsulfonamide. Owing to the typical D-π-A molecular configuration with unique intramolecular charge transfer effect, GCSP exhibits high sensitivity to polarity change in different solvents. Moreover, we revealed that GCSP possessed a satisfactory ability to sensitively monitor Golgi apparatus polarity changes in living cells. Using GCSP, we have successfully shown that Golgi apparatus polarity may serve as an ubiquitous marker for cancer and fatty liver detection. Surprisingly, the visualization of Golgi polarity has been achieved not only at the cellular levels, but also in clinical tissue samples from cancer patients, thus holding great potential in the clinical diagnosis of human cancer. All these features render GCSP an effective tool for the accurate diagnosis of Golgi apparatus related diseases.
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Affiliation(s)
- Xiaodong Wang
- Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education & School of Chemistry and Materials Science of Shanxi Normal University, TaiYuan, 030032, China.
| | - Xiaoping Li
- Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education & School of Chemistry and Materials Science of Shanxi Normal University, TaiYuan, 030032, China
| | - Yue Zhou
- Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education & School of Chemistry and Materials Science of Shanxi Normal University, TaiYuan, 030032, China
| | - Shumian Wei
- Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education & School of Chemistry and Materials Science of Shanxi Normal University, TaiYuan, 030032, China
| | - Yan Li
- Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education & School of Chemistry and Materials Science of Shanxi Normal University, TaiYuan, 030032, China
| | - Baoxia Fan
- Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education & School of Chemistry and Materials Science of Shanxi Normal University, TaiYuan, 030032, China
| | - Chunmiao Jia
- Department of Pathology, Shanxi Coal Central Hospital, TaiYuan, 030006, China
| | - Hui Wang
- Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education & School of Chemistry and Materials Science of Shanxi Normal University, TaiYuan, 030032, China
| | - Bingchun Xue
- Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education & School of Chemistry and Materials Science of Shanxi Normal University, TaiYuan, 030032, China.
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12
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Wang H, Liu Y, Che S, Li X, Tang D, Lv S, Zhao H. Deciphering the link: ferroptosis and its role in glioma. Front Immunol 2024; 15:1346585. [PMID: 38322268 PMCID: PMC10844450 DOI: 10.3389/fimmu.2024.1346585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 01/05/2024] [Indexed: 02/08/2024] Open
Abstract
Glioma, as the most frequently occurring primary malignancy in the central nervous system, significantly impacts patients' quality of life and cognitive abilities. Ferroptosis, a newly discovered form of cell death, is characterized by significant iron accumulation and lipid peroxidation. This process is fundamentally dependent on iron. Various factors inducing ferroptosis can either directly or indirectly influence glutathione peroxidase, leading to reduced antioxidant capabilities and an increase in lipid reactive oxygen species (ROS) within cells, culminating in oxidative cell death. Recent research indicates a strong connection between ferroptosis and a range of pathophysiological conditions, including tumors, neurological disorders, ischemia-reperfusion injuries, kidney damage, and hematological diseases. The regulation of ferroptosis to intervene in the progression of these diseases has emerged as a major area of interest in etiological research and therapy. However, the exact functional alterations and molecular mechanisms underlying ferroptosis remain to be extensively studied. The review firstly explores the intricate relationship between ferroptosis and glioma, highlighting how ferroptosis contributes to glioma pathogenesis and how glioma cells may resist this form of cell death. Then, we discuss recent studies that have identified potential ferroptosis inducers and inhibitors, which could serve as novel therapeutic strategies for glioma. We also examine the current challenges in targeting ferroptosis in glioma treatment, including the complexity of its regulation and the need for precise delivery methods. This review aims to provide a comprehensive overview of the current state of research on ferroptosis in glioma, offering insights into future therapeutic strategies and the broader implications of this novel cell death pathway in cancer biology.
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Affiliation(s)
- He Wang
- Department of Neurosurgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Yingfeng Liu
- Department of Neurosurgery, Tianshui First People's Hospital, Tianshui, China
| | - Shusheng Che
- Department of Neurosurgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Xiangjun Li
- Department of Breast Surgery, School of Medicine, Qingdao University, Qingdao, Shandong, China
| | - Dongxue Tang
- Department of Operating Room, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Shaojing Lv
- Department of Operating Room, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Hai Zhao
- Department of Neurosurgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
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Guo C, Wu M, Guo Z, Zhang R, Wang Z, Peng X, Dong J, Sun X, Zhang Z, Xiao P, Gong T. Hypoxia-Responsive Golgi-Targeted Prodrug Assembled with Anthracycline for Improved Antitumor and Antimetastasis Efficacy. ACS NANO 2023; 17:24972-24987. [PMID: 38093174 DOI: 10.1021/acsnano.3c07183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
Tumor metastasis is an intricate multistep process regulated via various proteins and enzymes modified and secreted by swollen Golgi apparatus in tumor cells. Thus, Golgi complex is considered as an important target for the remedy of metastasis. Currently, Golgi targeting technologies are mostly employed in Golgi-specific fluorescent probes for diagnosis, but their applications in therapy are rarely reported. Herein, we proposed a prodrug (INR) that can target and destroy the Golgi apparatus, which consisted of indomethacin (IMC) as the Golgi targeting moiety and retinoic acid (RA), a Golgi disrupting agent. The linker between IMC and RA was designed as a hypoxia-responsive nitroaromatic structure, which ensured the release of the prototype drugs in the hypoxic tumor microenvironment. Furthermore, INR could be assembled with pirarubicin (THP), an anthracycline, to form a carrier-free nanoparticle (NP) by emulsion-solvent evaporation method. A small amount of mPEG2000-DSPE was added to shield the positive charges and improve the stability of the nanoparticle to obtain PEG-modified nanoparticle (PNP). It was proved that INR released the prototype drugs in tumor cells and hypoxia promoted the release. The Golgi destructive effect of RA in INR was amplified owing to the Golgi targeting ability of IMC, and IMC also inhibited the protumor COX-2/PGE2 signaling. Finally, PNP exhibited excellent curative efficacy on 4T1 primary tumor and its pulmonary and hepatic metastasis. The small molecular therapeutic prodrug targeting Golgi apparatus could be adapted to multifarious drug delivery systems and disease models, which expanded the application of Golgi targeting tactics in disease treatment.
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Affiliation(s)
- Chenqi Guo
- Department of Laboratory Medicine and Sichuan Provincial Key Laboratory for Human Disease Gene Study, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu 610072, China
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Mengying Wu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Zhaofei Guo
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Rongping Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Zijun Wang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Xiong Peng
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Jianxia Dong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Xun Sun
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Zhirong Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Peihong Xiao
- Department of Laboratory Medicine and Sichuan Provincial Key Laboratory for Human Disease Gene Study, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Tao Gong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
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Mishra S, Knupp A, Kinoshita C, Williams CA, Rose SE, Martinez R, Theofilas P, Young JE. Pharmacologic enhancement of retromer rescues endosomal pathology induced by defects in the Alzheimer's gene SORL1. Stem Cell Reports 2023; 18:2434-2450. [PMID: 37949073 PMCID: PMC10724056 DOI: 10.1016/j.stemcr.2023.10.011] [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: 09/22/2022] [Revised: 10/12/2023] [Accepted: 10/13/2023] [Indexed: 11/12/2023] Open
Abstract
The SORL1 gene (SORLA) is strongly associated with risk of developing Alzheimer's disease (AD). SORLA is a regulator of endosomal trafficking in neurons and interacts with retromer, a complex that is a "master conductor" of endosomal trafficking. Small molecules can increase retromer expression in vitro, enhancing its function. We treated hiPSC-derived cortical neurons that are either fully deficient, haploinsufficient, or that harbor one copy of SORL1 variants linked to AD with TPT-260, a retromer-enhancing molecule. We show significant increases in retromer subunit VPS26B expression. We tested whether endosomal, amyloid, and TAU pathologies were corrected. We observed that the degree of rescue by TPT-260 treatment depended on the number of copies of functional SORL1 and which SORL1 variant was expressed. Using a disease-relevant preclinical model, our work illuminates how the SORL1-retromer pathway can be therapeutically harnessed.
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Affiliation(s)
- Swati Mishra
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA 98195, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98195, USA
| | - Allison Knupp
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA 98195, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98195, USA
| | - Chizuru Kinoshita
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA 98195, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98195, USA
| | - C Andrew Williams
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA 98195, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98195, USA
| | - Shannon E Rose
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA 98195, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98195, USA
| | - Refugio Martinez
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA 98195, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98195, USA
| | - Panos Theofilas
- Memory and Aging Center, Department of Neurology, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Jessica E Young
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA 98195, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98195, USA.
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15
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Sun Y, Xu G, Wang Y, Song P, Zhang Y, Xia L. Surface plasmon-assisted catalytic reduction of p-nitrothiophenol for the detection of Fe 2+ by surface-enhanced Raman spectroscopy. Anal Biochem 2023; 680:115314. [PMID: 37678582 DOI: 10.1016/j.ab.2023.115314] [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: 05/01/2023] [Revised: 08/12/2023] [Accepted: 09/04/2023] [Indexed: 09/09/2023]
Abstract
Herein, we developed a concise, time-efficient, and high selective assay for detecting Fe2+ through its triggered surface plasmon-assisted reduction reaction of p-nitrothiophenol (PNTP) to p,p'-dimercaptoazobenzene (DMAB) on the surface of gold nanoparticles (AuNPs) based on surface-enhanced Raman scattering (SERS) spectroscopy. When Fe2+ was added to the PNTP-AuNPs system, the appearance of three characteristic peaks at 1142, 1392, and 1440 cm-1 attributed to DMAB demonstrated that Fe2+ induced the catalytic coupling reaction of PNTP. The Raman intensity ratio of the peak at 1142 cm-1 to the peak at 1336 cm-1 and the concentration of Fe2+ presented a good linear response from 10 to 100 μM with a limit of detection (LOD) of 0.35 μM. More importantly, the entire detection process can be completed within 2 min and further successfully used for the detection of Fe2+ in river water.
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Affiliation(s)
- Ye Sun
- College of Chemistry, Liaoning University, Shenyang, 110036, People's Republic of China
| | - Guangda Xu
- College of Chemistry, Liaoning University, Shenyang, 110036, People's Republic of China
| | - Yue Wang
- College of Chemistry, Liaoning University, Shenyang, 110036, People's Republic of China
| | - Peng Song
- College of Physics, Liaoning University, Shenyang, 110036, People's Republic of China
| | - Yao Zhang
- College of Chemistry, Liaoning University, Shenyang, 110036, People's Republic of China; Chemistry and Chemical Engineering Guangdong Laboratory, Shantou, 515031, People's Republic of China.
| | - Lixin Xia
- College of Chemistry, Liaoning University, Shenyang, 110036, People's Republic of China.
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Pandey SS. The Role of Iron in Phytopathogenic Microbe-Plant Interactions: Insights into Virulence and Host Immune Response. PLANTS (BASEL, SWITZERLAND) 2023; 12:3173. [PMID: 37687419 PMCID: PMC10563075 DOI: 10.3390/plants12173173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 08/31/2023] [Accepted: 09/01/2023] [Indexed: 09/10/2023]
Abstract
Iron is an essential element required for the growth and survival of nearly all forms of life. It serves as a catalytic component in multiple enzymatic reactions, such as photosynthesis, respiration, and DNA replication. However, the excessive accumulation of iron can result in cellular toxicity due to the production of reactive oxygen species (ROS) through the Fenton reaction. Therefore, to maintain iron homeostasis, organisms have developed a complex regulatory network at the molecular level. Besides catalyzing cellular redox reactions, iron also regulates virulence-associated functions in several microbial pathogens. Hosts and pathogens have evolved sophisticated strategies to compete against each other over iron resources. Although the role of iron in microbial pathogenesis in animals has been extensively studied, mechanistic insights into phytopathogenic microbe-plant associations remain poorly understood. Recent intensive research has provided intriguing insights into the role of iron in several plant-pathogen interactions. This review aims to describe the recent advances in understanding the role of iron in the lifestyle and virulence of phytopathogenic microbes, focusing on bacteria and host immune responses.
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Affiliation(s)
- Sheo Shankar Pandey
- Life Sciences Division, Institute of Advanced Study in Science and Technology (IASST), Guwahati 781035, India; ; Tel.: +91-361-2270095 (ext. 216)
- Citrus Research and Education Center (CREC), Department of Microbiology and Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Lake Alfred, FL 33850, USA
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17
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Goshisht MK, Tripathi N, Patra GK, Chaskar M. Organelle-targeting ratiometric fluorescent probes: design principles, detection mechanisms, bio-applications, and challenges. Chem Sci 2023; 14:5842-5871. [PMID: 37293660 PMCID: PMC10246671 DOI: 10.1039/d3sc01036h] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 04/27/2023] [Indexed: 06/10/2023] Open
Abstract
Biological species, including reactive oxygen species (ROS), reactive sulfur species (RSS), reactive nitrogen species (RNS), F-, Pd2+, Cu2+, Hg2+, and others, are crucial for the healthy functioning of cells in living organisms. However, their aberrant concentration can result in various serious diseases. Therefore, it is essential to monitor biological species in cellular organelles such as the cell membrane, mitochondria, lysosome, endoplasmic reticulum, Golgi apparatus, and nucleus. Among various fluorescent probes for species detection within the organelles, ratiometric fluorescent probes have drawn special attention as a potential way to get beyond the drawbacks of intensity-based probes. This method depends on measuring the intensity change of two emission bands (caused by an analyte), which produces an efficient internal referencing that increases the detection's sensitivity. This review article discusses the literature publications (from 2015 to 2022) on organelle-targeting ratiometric fluorescent probes, the general strategies, the detecting mechanisms, the broad scope, and the challenges currently faced by fluorescent probes.
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Affiliation(s)
- Manoj Kumar Goshisht
- Department of Chemistry, Natural and Applied Sciences, University of Wisconsin-Green Bay 2420 Nicolet Drive Green Bay WI 54311-7001 USA
- Department of Chemistry, Government Naveen College Tokapal Bastar Chhattisgarh 494442 India
| | - Neetu Tripathi
- Department of Chemistry, Guru Nanak Dev University Amritsar Punjab 143005 India
| | - Goutam Kumar Patra
- Department of Chemistry, Faculty of Physical Sciences Guru Ghasidas Vishwavidyalaya Bilaspur Chhattisgarh 495009 India
| | - Manohar Chaskar
- Department of Technology, Savitribai Phule Pune University Ganeshkhind Pune 411007 India
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Li A, Liu Y, Chen Z, Li S, Zhong R, Cheng D, Chen L, He L. Development of a Golgi-targeted fluorescent chemosensor for detecting ferrous ions overload under Golgi stress. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 294:122560. [PMID: 36881962 DOI: 10.1016/j.saa.2023.122560] [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: 01/12/2023] [Revised: 02/19/2023] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
Ferrous ion (Fe2+) is a crucial metal ion in the body and participates in the diseases related to oxidation and reduction. Golgi apparatus is the main subcellular organelle of Fe2+ transport in cells, and the stability of its structure is related to the Fe2+ at an appropriate concentration. In this work, a turn-on type Golgi-targeting fluorescent chemosensor Gol-Cou-Fe2+ was rationally designed for sensitive and selective detection of Fe2+. Gol-Cou-Fe2+ showed excellent capacity of detecting exogenous and endogenous Fe2+ in HUVEC and HepG2 cells. It was used to capture the up-regulated Fe2+ level during the hypoxia. Moreover, the fluorescence of sensor was enhanced over time under Golgi stress combining with the reduce of Golgi matrix protein GM130. However, elimination of Fe2+ or addition of nitric oxide (NO) would restore the fluorescence intensity of Gol-Cou-Fe2+ and the expression of GM130 in HUVEC. Thus, development of chemosensor Gol-Cou-Fe2+ provides a new window for tracking Golgi Fe2+ and elucidating Golgi stress-related diseases.
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Affiliation(s)
- Ao Li
- School of Pharmacy, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang 421001, PR China
| | - Yalan Liu
- School of Pharmacy, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang 421001, PR China
| | - Zhe Chen
- School of Pharmacy, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang 421001, PR China
| | - Songjiao Li
- School of Pharmacy, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang 421001, PR China
| | - Rongbin Zhong
- Cinical Research Institute, The Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, Hengyang 421001, PR China
| | - Dan Cheng
- Cinical Research Institute, The Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, Hengyang 421001, PR China
| | - Linxi Chen
- School of Pharmacy, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang 421001, PR China.
| | - Longwei He
- School of Pharmacy, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang 421001, PR China.
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Wang Y, Li C, Zhuo J, Hui H, Zhou B, Tian J. The Detection of Divalent Iron and Reactive Oxygen Species During Ferroptosis with the Use of a Dual-Reaction Turn-On Fluorescent Probe. Mol Imaging Biol 2023; 25:423-434. [PMID: 36195741 DOI: 10.1007/s11307-022-01774-6] [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: 06/28/2022] [Revised: 08/19/2022] [Accepted: 09/12/2022] [Indexed: 11/27/2022]
Abstract
PURPOSE Ferroptosis, a programmed cell death modality, is an iron-dependent, non-apoptosis pathway that is characterized by the upregulation of divalent iron and reactive oxygen species (ROS) levels. However, the sensitive and rapid detection to track changes in ferroptosis is challenging, partially due to the lack of methods for monitoring the Fe(II) accumulation and ROS generation. PROCEDURES Herein, we reported a dual-reaction fluorescent probe DR-1 with turn-on response, which realized the simultaneous visualizing of Fe(II) and ROS with a single probe. The structure of fluorescence quenching group and turn-on fluorophore constitute a double switch for DR-1, which increases its specificity and stability. RESULTS During ferroptotic cell death, the upregulation of ROS levels led to the cleavage of quenching group of DR-1, and the aggregation of Fe(II) resulting in fluorescence recovery. CONCLUSIONS Overall, this study provides a new dual-reaction probe that shows the great potential to explore the mechanism of ferroptosis in vitro and in vivo by fluorescence imaging.
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Affiliation(s)
- Yueqi Wang
- CAS Key Laboratory of Molecular Imaging, Beijing Key Laboratory of Molecular Imaging, The State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Changjian Li
- School of Engineering Medicine, Beihang University, Beijing, 100191, China
- Key Laboratory of Big Data-Based Precision Medicine (Beihang University), Ministry of Industry and Information Technology, Beijing, 100191, China
| | - Jiaming Zhuo
- CAS Key Laboratory of Molecular Imaging, Beijing Key Laboratory of Molecular Imaging, The State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, China
| | - Hui Hui
- CAS Key Laboratory of Molecular Imaging, Beijing Key Laboratory of Molecular Imaging, The State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Bing Zhou
- School of Engineering Medicine, Beihang University, Beijing, 100191, China.
| | - Jie Tian
- CAS Key Laboratory of Molecular Imaging, Beijing Key Laboratory of Molecular Imaging, The State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
- School of Engineering Medicine, Beihang University, Beijing, 100191, China.
- Key Laboratory of Big Data-Based Precision Medicine (Beihang University), Ministry of Industry and Information Technology, Beijing, 100191, China.
- Zhuhai Precision Medical Center, Zhuhai People's Hospital, Affiliated With Jinan University, Zhuhai, 519000, China.
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Chen L, Lyu Y, Zhang X, Zheng L, Li Q, Ding D, Chen F, Liu Y, Li W, Zhang Y, Huang Q, Wang Z, Xie T, Zhang Q, Sima Y, Li K, Xu S, Ren T, Xiong M, Wu Y, Song J, Yuan L, Yang H, Zhang XB, Tan W. Molecular imaging: design mechanism and bioapplications. Sci China Chem 2023. [DOI: 10.1007/s11426-022-1461-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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21
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Development of a Golgi-targeted superoxide anion fluorescent probe for elucidating protein GOLPH3 function in myocardial ischemia-reperfusion injury. Anal Chim Acta 2023; 1255:341100. [PMID: 37032049 DOI: 10.1016/j.aca.2023.341100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 02/28/2023] [Accepted: 03/15/2023] [Indexed: 03/18/2023]
Abstract
Superoxide anion (O2•-) is an important reactive oxygen species (ROS) and participates in various physiological and pathological processes in the organism. The O2•- burst induced by ischemia-reperfusion (I/R) is associated with cardiovascular disease and promotes the cell apoptosis. In this work, a turn-on type Golgi-targeting fluorescent probe Gol-Cou-O2•- was rationally designed for sensitive and selective detection of O2•-. The minimum detection limit concentration for O2•- was about 3.9 × 10-7 M in aqueous solution. Gol-Cou-O2•- showed excellent capacity of detecting exogenous and endogenous O2•- in living cells and zebrafish, and was also used to capture the up-regulated O2•- level during the duration of I/R process in cardiomyocytes. Golgi Phosphoprotein 3 (GOLPH3) is a potential Golgi stress marker protein and plays a key role in cells apoptosis during I/R. The fluorescence imaging and flow cytometry assay results indicated that silencing GOLPH3 through siRNA could give rise to the down-regulated O2•- level and alleviation of apoptosis in I/R myocardial cells. Thus, development of Gol-Cou-O2•- provides a diagnostic tool for myocardial oxidative stress injury and distinct insights on roles of GOLPH3 in myocardial I/R injury.
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22
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Jia TT, Zhang Y, Hou JT, Niu H, Wang S. H 2S-based fluorescent imaging for pathophysiological processes. Front Chem 2023; 11:1126309. [PMID: 36778034 PMCID: PMC9911449 DOI: 10.3389/fchem.2023.1126309] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 01/16/2023] [Indexed: 01/28/2023] Open
Abstract
Hydrogen sulfide (H2S), as an important endogenous signaling molecule, plays a vital role in many physiological processes. The abnormal behaviors of hydrogen sulfide in organisms may lead to various pathophysiological processes. Monitoring the changes in hydrogen sulfide is helpful for pre-warning and treating these pathophysiological processes. Fluorescence imaging techniques can be used to observe changes in the concentration of analytes in organisms in real-time. Therefore, employing fluorescent probes imaging to investigate the behaviors of hydrogen sulfide in pathophysiological processes is vital. This paper reviews the design strategy and sensing mechanisms of hydrogen sulfide-based fluorescent probes, focusing on imaging applications in various pathophysiological processes, including neurodegenerative diseases, inflammation, apoptosis, oxidative stress, organ injury, and diabetes. This review not only demonstrates the specific value of hydrogen sulfide fluorescent probes in preclinical studies but also illuminates the potential application in clinical diagnostics.
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Affiliation(s)
- Tong-Tong Jia
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang, China
| | - Yuanyuan Zhang
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, China
| | - Ji-Ting Hou
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou, China
| | - Huawei Niu
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, China
| | - Shan Wang
- Key Laboratory of Intelligent Treatment and Life Support for Critical Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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Abstract
Biomembranes are ubiquitous lipid structures that delimit the cell surface and organelles and operate as platforms for a multitude of biomolecular processes. The development of chemical tools─fluorescent probes─for the sensing and imaging of biomembranes is a rapidly growing research direction, stimulated by a high demand from cell biologists and biophysicists. This Account focuses on advances in these smart molecules, providing a voyage from the cell frontier─plasma membranes (PM)─toward intracellular membrane compartments─organelles. General classification of the membrane probes can be based on targeting principles, sensing profile, and optical response. Probes for PM and organelle membranes are designed based on multiple targeting principles: conjugation with natural lipids or synthetic targeting ligands and in situ cell labeling by bio-orthogonal chemistry, conjugation to protein tags, and receptor-ligand interactions. Thus, to obtain membrane probes targeting PM with selectivity to one leaflet, we designed membrane anchor ligands based on a charged group and an alkyl chain. According to the sensing profile, we define basic membrane markers with constant emission and probes for biophysical and chemical sensing. The markers are built from classical fluorophores, exemplified by a series of bright cyanines and BODIPY dyes bearing the PM anchors (MemBright). Membrane probes for biophysical sensing are based on environment-sensitive fluorophores: (1) polarity-sensitive solvatochromic dyes; (2) viscosity-sensitive fluorescent molecular rotors; (3) mechanosensitive fluorescent flippers; and (4) voltage-sensitive electrochromic dyes. Our solvatochromic probes based on Nile Red (NR12S, NR12A, NR4A), Laurdan (Pro12A), and 3-hydroxyflavone (F2N12S) through polarity-sensing can visualize liquid ordered and disordered phases of lipid membranes, sense lipid order and its heterogeneity in cell PM, detect apoptosis, etc. Chemically sensitive probes, combining a dye, membrane-targeting ligand, and molecular recognition unit, enable the detection of pH, ions, redox species, lipids, and proteins at the biomembrane surface. In terms of the optical response profile, we can identify (1) fluorogenic (turn-on) probes, allowing background-free imaging; (2) ratiometric probes, e.g., solvatochromic probes, which enable ratiometric imaging by changing their emission/excitation color; (3) fluorescence lifetime-responsive probes, e.g., fluorescence molecular rotors and flippers, suitable for fluorescence lifetime imaging (FLIM); and (4) switchable probes, important for single-molecule localization microscopy. We showed that combining solvatochromic probes with on-off switching through a reversible binding specifically to cell PM enables the mapping of their biophysical properties with superior resolution. While the majority of efforts have been focused on PM, the probes for cellular organelles, such as endoplasmic reticulum, mitochondria, Golgi apparatus, etc., emerge rapidly. Thus, nontargeted solvatochromic probes can distinguish organelles by the emission color. Targeted solvatochromic probes based on Nile Red revealed unique signatures of polarity and lipid order of individual organelles and their different sensitivities to oxidative or mechanical stress. Lipid droplets, which are membraneless lipidic structures, constitute another interesting organelle target for probing the cell stress. Currently, we stand at the beginning of a long route with big challenges ahead, in particular (1) to achieve superior organelle specificity; (2) to label specific biomembrane leaflets, notably the inner leaflet of PM; (3) to detect lipid organization in a proximity of specific proteins; and (4) to probe biomembranes in tissues and animals.
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Affiliation(s)
- Andrey S Klymchenko
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Faculté de Pharmacie, Université de Strasbourg, 67401 Illkirch, France
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Luo Y, Tian G, Fang X, Bai S, Yuan G, Pan Y. Ferroptosis and Its Potential Role in Glioma: From Molecular Mechanisms to Therapeutic Opportunities. Antioxidants (Basel) 2022; 11:2123. [PMID: 36358495 PMCID: PMC9686959 DOI: 10.3390/antiox11112123] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/20/2022] [Accepted: 10/26/2022] [Indexed: 09/29/2023] Open
Abstract
Glioma is the most common intracranial malignant tumor, and the current main standard treatment option is a combination of tumor surgical resection, chemotherapy and radiotherapy. Due to the terribly poor five-year survival rate of patients with gliomas and the high recurrence rate of gliomas, some new and efficient therapeutic strategies are expected. Recently, ferroptosis, as a new form of cell death, has played a significant role in the treatment of gliomas. Specifically, studies have revealed key processes of ferroptosis, including iron overload in cells, occurrence of lipid peroxidation, inactivation of cysteine/glutathione antiporter system Xc- (xCT) and glutathione peroxidase 4 (GPX4). In the present review, we summarized the molecular mechanisms of ferroptosis and introduced the application and challenges of ferroptosis in the development and treatment of gliomas. Moreover, we highlighted the therapeutic opportunities of manipulating ferroptosis to improve glioma treatments, which may improve the clinical outcome.
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Affiliation(s)
- Yusong Luo
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou 730030, China
- Key Laboratory of Neurology of Gansu Province, Lanzhou 730030, China
- The Second Clinical Medical School, Lanzhou University, Lanzhou 730030, China
| | - Guopeng Tian
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou 730030, China
- Key Laboratory of Neurology of Gansu Province, Lanzhou 730030, China
- The Second Clinical Medical School, Lanzhou University, Lanzhou 730030, China
| | - Xiang Fang
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou 730030, China
- Key Laboratory of Neurology of Gansu Province, Lanzhou 730030, China
- The Second Clinical Medical School, Lanzhou University, Lanzhou 730030, China
| | - Shengwei Bai
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou 730030, China
- Key Laboratory of Neurology of Gansu Province, Lanzhou 730030, China
- The Second Clinical Medical School, Lanzhou University, Lanzhou 730030, China
| | - Guoqiang Yuan
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou 730030, China
- Key Laboratory of Neurology of Gansu Province, Lanzhou 730030, China
- The Second Clinical Medical School, Lanzhou University, Lanzhou 730030, China
| | - Yawen Pan
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou 730030, China
- Key Laboratory of Neurology of Gansu Province, Lanzhou 730030, China
- The Second Clinical Medical School, Lanzhou University, Lanzhou 730030, China
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Li Z, Hou JT, Wang S, Zhu L, He X, Shen J. Recent advances of luminescent sensors for iron and copper: Platforms, mechanisms, and bio-applications. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214695] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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26
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New Players in Neuronal Iron Homeostasis: Insights from CRISPRi Studies. Antioxidants (Basel) 2022; 11:antiox11091807. [PMID: 36139881 PMCID: PMC9495848 DOI: 10.3390/antiox11091807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/02/2022] [Accepted: 09/07/2022] [Indexed: 11/16/2022] Open
Abstract
Selective regional iron accumulation is a hallmark of several neurodegenerative diseases, including Alzheimer’s disease and Parkinson’s disease. The underlying mechanisms of neuronal iron dyshomeostasis have been studied, mainly in a gene-by-gene approach. However, recent high-content phenotypic screens using CRISPR/Cas9-based gene perturbations allow for the identification of new pathways that contribute to iron accumulation in neuronal cells. Herein, we perform a bioinformatic analysis of a CRISPR-based screening of lysosomal iron accumulation and the functional genomics of human neurons derived from induced pluripotent stem cells (iPSCs). Consistent with previous studies, we identified mitochondrial electron transport chain dysfunction as one of the main mechanisms triggering iron accumulation, although we substantially expanded the gene set causing this phenomenon, encompassing mitochondrial complexes I to IV, several associated assembly factors, and coenzyme Q biosynthetic enzymes. Similarly, the loss of numerous genes participating through the complete macroautophagic process elicit iron accumulation. As a novelty, we found that the impaired synthesis of glycophosphatidylinositol (GPI) and GPI-anchored protein trafficking also trigger iron accumulation in a cell-autonomous manner. Finally, the loss of critical components of the iron transporters trafficking machinery, including MON2 and PD-associated gene VPS35, also contribute to increased neuronal levels. Our analysis suggests that neuronal iron accumulation can arise from the dysfunction of an expanded, previously uncharacterized array of molecular pathways.
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Leng J, Lan X, Liu S, Jia W, Cheng W, Cheng J, Liu Z. Synthesis and bioimaging of a BODIPY-based fluorescence quenching probe for Fe 3. RSC Adv 2022; 12:21332-21339. [PMID: 35975086 PMCID: PMC9344281 DOI: 10.1039/d2ra00818a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 05/18/2022] [Indexed: 11/21/2022] Open
Abstract
Iron is the main substance for maintaining life. Real-time determination of ferric ion (Fe3+) in living cells is of great significance for understanding the relationship of Fe3+ concentration changes with various physiological and pathological processes. Fluorescent probes are suitable for the detection of trace metal ions in cells due to their low toxicity and high sensitivity. In this work, a boron-dipyrromethene-based fluorescent probe (BODIPY-CL) for selective detection of Fe3+ was synthesized. The fluorescence emission of BODIPY-CL was determined at 516 nm. In a pH range of 1 to 10, the probe BODIPY-CL exhibits a quenching response to Fe3+. Meanwhile, BODIPY-CL showed a highly selective response to Fe3+ compared with 16 kinds of metal ions. The stoichiometry ratio of BODIPY-CL bound to Fe3+ was nearly 2 : 1. The fluorescence quenching response obtained by the sensor was linear with the Fe3+ concentration in the range of 0-400 μM, and the detection limit was 2.9 μM. BODIPY-CL was successfully applied to image Fe3+ in cells. This study provides a promising fluorescent imaging probe for further research on the physiological and pathological effects of Fe3+.
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Affiliation(s)
- Junqiang Leng
- School of Chemistry and Chemical Engineering, Yantai University Yantai 264005 P. R. China
| | - Xinyu Lan
- School of Chemistry and Chemical Engineering, Yantai University Yantai 264005 P. R. China
| | - Shuang Liu
- School of Chemistry and Chemical Engineering, Yantai University Yantai 264005 P. R. China
| | - Wenxuan Jia
- School of Chemistry and Chemical Engineering, Yantai University Yantai 264005 P. R. China
| | - Wenshuai Cheng
- School of Chemistry and Chemical Engineering, Yantai University Yantai 264005 P. R. China
| | - Jianbo Cheng
- School of Chemistry and Chemical Engineering, Yantai University Yantai 264005 P. R. China
| | - Zhenbo Liu
- School of Chemistry and Chemical Engineering, Yantai University Yantai 264005 P. R. China
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28
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Kawabata T. Iron-Induced Oxidative Stress in Human Diseases. Cells 2022; 11:cells11142152. [PMID: 35883594 PMCID: PMC9324531 DOI: 10.3390/cells11142152] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/30/2022] [Accepted: 07/04/2022] [Indexed: 11/16/2022] Open
Abstract
Iron is responsible for the regulation of several cell functions. However, iron ions are catalytic and dangerous for cells, so the cells sequester such redox-active irons in the transport and storage proteins. In systemic iron overload and local pathological conditions, redox-active iron increases in the human body and induces oxidative stress through the formation of reactive oxygen species. Non-transferrin bound iron is a candidate for the redox-active iron in extracellular space. Cells take iron by the uptake machinery such as transferrin receptor and divalent metal transporter 1. These irons are delivered to places where they are needed by poly(rC)-binding proteins 1/2 and excess irons are stored in ferritin or released out of the cell by ferroportin 1. We can imagine transit iron pool in the cell from iron import to the export. Since the iron in the transit pool is another candidate for the redox-active iron, the size of the pool may be kept minimally. When a large amount of iron enters cells and overflows the capacity of iron binding proteins, the iron behaves as a redox-active iron in the cell. This review focuses on redox-active iron in extracellular and intracellular spaces through a biophysical and chemical point of view.
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Affiliation(s)
- Teruyuki Kawabata
- Department of Applied Physics, Postgraduate School of Science, Okayama University of Science, Okayama 700-0005, Japan
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29
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Liu C, Zhu H, Zhang Y, Su M, Liu M, Zhang X, Wang X, Rong X, Wang K, Li X, Zhu B. Recent advances in Golgi-targeted small-molecule fluorescent probes. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214504] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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30
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Jiang H, Muir RK, Gonciarz RL, Olshen AB, Yeh I, Hann BC, Zhao N, Wang YH, Behr SC, Korkola JE, Evans MJ, Collisson EA, Renslo AR. Ferrous iron–activatable drug conjugate achieves potent MAPK blockade in KRAS-driven tumors. J Exp Med 2022; 219:213060. [PMID: 35262628 PMCID: PMC8916116 DOI: 10.1084/jem.20210739] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 08/02/2021] [Accepted: 11/01/2021] [Indexed: 12/13/2022] Open
Abstract
KRAS mutations drive a quarter of cancer mortality, and most are undruggable. Several inhibitors of the MAPK pathway are FDA approved but poorly tolerated at the doses needed to adequately extinguish RAS/RAF/MAPK signaling in the tumor cell. We found that oncogenic KRAS signaling induced ferrous iron (Fe2+) accumulation early in and throughout mutant KRAS-mediated transformation. We converted an FDA-approved MEK inhibitor into a ferrous iron–activatable drug conjugate (FeADC) and achieved potent MAPK blockade in tumor cells while sparing normal tissues. This innovation allowed sustainable, effective treatment of tumor-bearing animals, with tumor-selective drug activation, producing superior systemic tolerability. Ferrous iron accumulation is an exploitable feature of KRAS transformation, and FeADCs hold promise for improving the treatment of KRAS-driven solid tumors.
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Affiliation(s)
- Honglin Jiang
- Division of Hematology and Oncology, Department of Medicine, University of California, San Francisco, San Francisco, CA
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA
| | - Ryan K. Muir
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA
| | - Ryan L. Gonciarz
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA
| | - Adam B. Olshen
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA
| | - Iwei Yeh
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA
- Departments of Pathology and Dermatology, University of California, San Francisco, San Francisco, CA
| | - Byron C. Hann
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA
| | - Ning Zhao
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA
| | - Yung-hua Wang
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA
| | - Spencer C. Behr
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA
| | - James E. Korkola
- Center for Spatial Systems Biomedicine, Oregon Health & Sciences University, Portland, OR
| | - Michael J. Evans
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA
| | - Eric A. Collisson
- Division of Hematology and Oncology, Department of Medicine, University of California, San Francisco, San Francisco, CA
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA
| | - Adam R. Renslo
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA
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31
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Takase N, Inden M, Murayama Y, Mishima A, Kurita H, Hozumi I. PDGF-BB is involved in phosphate regulation via the phosphate transporters in human neuroblastoma SH-SY5Y cells. Biochem Biophys Res Commun 2022; 593:93-100. [PMID: 35063775 DOI: 10.1016/j.bbrc.2022.01.045] [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: 12/19/2021] [Accepted: 01/12/2022] [Indexed: 11/02/2022]
Abstract
Inorganic phosphate (Pi) is the second most abundant inorganic ion in the body. Since abnormalities in Pi metabolism are risk factors for various diseases, serum Pi levels are strictly controlled. Type-III sodium-dependent Pi transporters, PiT-1 (encoded by SLC20A1) and PiT-2 (encoded by SLC20A2), are distributed throughout the tissues of the body, including the central nervous system, and are known to be responsible for extracellular to intracellular Pi transport. Platelet-derived growth factor (PDGF) is a major growth factor of mesenchymal cells. PDGF-BB, a homodimer of PDGF-B, regulates intracellular Pi by increasing PiT-1 expression in vascular smooth muscle cells. However, the effects of PDGF-BB on Pi transporters in neurons have yet to be reported. Here, we investigated the effect of PDGF-BB on Pi transporters in human neuroblastoma SH-SY5Y cells. PDGF-BB did not induce SLC20A1 mRNA expression, but it increased the intracellular uptake of Pi via PiT-1 in SH-SY5Y cells. Among the signaling pathways associated with PDGF-BB, AKT signaling was shown to be involved in the increase in Pi transport. In addition, the PDGF-BB-induced increase in Pi mediated neuroprotective effects in SLC20A2-suppressed cells, in an in vitro model of the pathological condition found in idiopathic basal ganglia calcification. Moreover, the increase in Pi uptake was found to occur through promotion of intracellular PiT-1 translocation to the plasma membrane. Overall, these results indicate that PDGF-BB exerts neuroprotective effects via Pi transport, and they demonstrate the potential utility of PDGF-BB against abnormal Pi metabolism in neurons.
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Affiliation(s)
- Naoko Takase
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Department Biomedical Pharmaceutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi Gifu city, Gifu, 501-1196, Japan
| | - Masatoshi Inden
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Department Biomedical Pharmaceutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi Gifu city, Gifu, 501-1196, Japan.
| | - Yuto Murayama
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Department Biomedical Pharmaceutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi Gifu city, Gifu, 501-1196, Japan
| | - Ayane Mishima
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Department Biomedical Pharmaceutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi Gifu city, Gifu, 501-1196, Japan
| | - Hisaka Kurita
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Department Biomedical Pharmaceutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi Gifu city, Gifu, 501-1196, Japan
| | - Isao Hozumi
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Department Biomedical Pharmaceutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi Gifu city, Gifu, 501-1196, Japan.
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32
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Luo A, Xu Z, Liao S. VPS35, the core component of the retromer complex, and Parkinson's disease. IBRAIN 2021; 7:318-324. [PMID: 37786555 PMCID: PMC10529152 DOI: 10.1002/ibra.12004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/01/2021] [Accepted: 11/01/2021] [Indexed: 10/04/2023]
Abstract
Parkinson's disease (PD) is a neurodegenerative disease that is common in middle-aged and elderly people, and its onset is related to multiple factors, such as heredity, environment, and age. The vesicle protein sorting 35 (VPS35) gene was found to be a late-onset autosomal dominant familial PD (PARK17) causative gene. The protein encoded by this gene is located in the endosome and aggregates with other membrane proteins to form a retromer complex, which participates in the membrane protein cycle between the endosome and the Golgi network. Increasing evidence shows that VPS35 may participate in the pathogenesis of PD by affecting autophagy, mitochondria, neurosynaptic transmission, dopamine signaling pathways, and so forth, and it can interact with other disease-causing genes of familial PD. This article aimed to review the functions of VPS35 and the mechanism of its mutations in PD that have been discovered in recent years.
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Affiliation(s)
- Ai‐Di Luo
- Department of NeurologyThe Affiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
| | - Zu‐Cai Xu
- Department of NeurologyThe Affiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
| | - Shu‐Sheng Liao
- Department of NeurologyThe Affiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
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33
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Ahmmed E, Mondal A, Chandra Saha N, Dhara K, Chattopadhyay P. A deoxygenation-switch-based red-emitting fluorogenic light-up probe for the detection of highly toxic free bilirubin in human blood serum. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:5651-5659. [PMID: 34787603 DOI: 10.1039/d1ay01717a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Reaction-based chemical switches are attracting great interest due to their high selectivity, and their use has become a powerful technique for developing fluorogenic probes. Herein, a benzorhodol-derivative-attached N-oxide probe (DEBNox) has been designed as a new fluorogenic probe for the detection of the biologically toxic species bilirubin based on a deoxygenation switching mechanism. Upon reaction with added Fe3+, bilirubin produces Fe2+ ions in situ, which in turn promote a deoxygenation reaction with DEBNox to generate the corresponding high-red-fluorescence (λem: ∼623 nm) benzorhodol derivative (DEB). This type of Fe3+-mediated response helps the probe to act as a qualified turn on selective fluorescence sensor for bilirubin with a detection range as low as 33 nM. Moreover, the probe was successfully employed to detect free bilirubin in human blood serum specimens with acceptable accuracy and reliability. This DEBNox-based light-up strategy also facilitates the construction of reliable and highly sensitive assays based on a paper-based strategy, similar to pH-indicator paper, as is demonstrated here via bilirubin detection in real serum samples. These findings could be useful for developing powerful diagnostic tools for the detection of free bilirubin in the near further.
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Affiliation(s)
- Ejaj Ahmmed
- Department of Chemistry, The University of Burdwan, Burdwan-713104, West Bengal, India.
| | - Asit Mondal
- Department of Chemistry, The University of Burdwan, Burdwan-713104, West Bengal, India.
| | - Nimai Chandra Saha
- Vice Chancellor's Research Group, The University of Burdwan, Burdwan, West Bengal, 713104, India
| | - Koushik Dhara
- Department of Chemistry, Sambhu Nath College, Labpur, Birbhum 731303, West Bengal, India
| | - Pabitra Chattopadhyay
- Department of Chemistry, The University of Burdwan, Burdwan-713104, West Bengal, India.
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34
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Jiang L, Mak HN, Walter ERH, Wong WT, Wong KL, Long NJ. A fluorescent probe for the discrimination of oxidation states of palladium. Chem Sci 2021; 12:9977-9982. [PMID: 34349968 PMCID: PMC8317638 DOI: 10.1039/d1sc01616d] [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: 03/21/2021] [Accepted: 06/24/2021] [Indexed: 12/27/2022] Open
Abstract
Palladium-based catalysts are widely used in pharmaceutical industries, which can sometimes cause palladium contamination in pharmaceutical drug manufacture. It is important to separately quantify the different oxidation states of palladium (Pd0 and Pd2+) in pharmaceuticals as they react with scavengers differently. Although palladium sensors have been under intense investigation, oxidation state differentiators are very rare. Here, we report a simple porphyrin–coumarin conjugate, PPIX-L2, that can selectively discriminate between the oxidation states of palladium. The reaction of PPIX-L2 with Pd0 showed a 24-fold fluorescence increase of the coumarin emission, meanwhile, the presence of Pd2+ led to a 98% quenching of the porphyrin emission. Fluorescent responses of PPIX-L2 towards Pd0 and Pd2+ are specific, and its sensitivity towards both palladium species is significantly increased with a detection limit of 75 nM and 382 nM for Pd0 and Pd2+ respectively. A simple porphyrin–coumarin conjugate PPIX-L2 was developed for the discrimination of different oxidation states of palladium (Pd0 and Pd2+), and with a significantly improved sensitivity.![]()
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Affiliation(s)
- Lijun Jiang
- Department of Chemistry, Imperial College London MSRH Building, White City Campus London W12 0BZ UK .,Department of Chemistry, Hong Kong Baptist University Kowloon Tong Kowloon Hong Kong SAR China .,Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR China
| | - Ho-Nam Mak
- Department of Chemistry, Imperial College London MSRH Building, White City Campus London W12 0BZ UK .,Department of Chemistry, Hong Kong Baptist University Kowloon Tong Kowloon Hong Kong SAR China .,Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR China
| | - Edward R H Walter
- Department of Chemistry, Imperial College London MSRH Building, White City Campus London W12 0BZ UK
| | - Wing-Tak Wong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR China
| | - Ka-Leung Wong
- Department of Chemistry, Hong Kong Baptist University Kowloon Tong Kowloon Hong Kong SAR China
| | - Nicholas J Long
- Department of Chemistry, Imperial College London MSRH Building, White City Campus London W12 0BZ UK
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35
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Yu H, Sun W, Tiemuer A, Zhang Y, Wang HY, Liu Y. Mitochondria targeted near-infrared chemodosimeter for upconversion luminescence bioimaging of hypoxia. Chem Commun (Camb) 2021; 57:5207-5210. [PMID: 33908481 DOI: 10.1039/d1cc01338f] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
We report a mitochondria-targeted near-infrared probe (NRh-O) for frequency upconversion luminescence (FUCL) imaging of hypoxia. Under hypoxic conditions, NRh-O rapidly responds to release the FUCL product NRh (λex/em = 850/825 nm) with high sensitivity and selectivity in mitochondria. This highlights the potential application of a hypoxia-responsive probe in early clinical diagnosis.
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Affiliation(s)
- Hui Yu
- School of Engineering, China Pharmaceutical University, Nanjing, 211198, China.
| | - Wanlu Sun
- School of Engineering, China Pharmaceutical University, Nanjing, 211198, China.
| | - Aliya Tiemuer
- School of Engineering, China Pharmaceutical University, Nanjing, 211198, China.
| | - Yuanyuan Zhang
- School of Engineering, China Pharmaceutical University, Nanjing, 211198, China.
| | - Hai-Yan Wang
- School of Mechanical Engineering, Southeast University, Nanjing, 211189, China.
| | - Yi Liu
- School of Engineering, China Pharmaceutical University, Nanjing, 211198, China.
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36
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Chin MY, Espinosa JA, Pohan G, Markossian S, Arkin MR. Reimagining dots and dashes: Visualizing structure and function of organelles for high-content imaging analysis. Cell Chem Biol 2021; 28:320-337. [PMID: 33600764 PMCID: PMC7995685 DOI: 10.1016/j.chembiol.2021.01.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 12/18/2020] [Accepted: 01/20/2021] [Indexed: 12/16/2022]
Abstract
Organelles are responsible for biochemical and cellular processes that sustain life and their dysfunction causes diseases from cancer to neurodegeneration. While researchers are continuing to appreciate new roles of organelles in disease, the rapid development of specifically targeted fluorescent probes that report on the structure and function of organelles will be critical to accelerate drug discovery. Here, we highlight four organelles that collectively exemplify the progression of phenotypic discovery, starting with mitochondria, where many functional probes have been described, then continuing with lysosomes and Golgi and concluding with nascently described membraneless organelles. We introduce emerging probe designs to explore organelle-specific morphology and dynamics and highlight recent case studies using high-content analysis to stimulate further development of probes and approaches for organellar high-throughput screening.
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Affiliation(s)
- Marcus Y Chin
- Small Molecule Discovery Center and Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94143, USA
| | - Jether Amos Espinosa
- Small Molecule Discovery Center and Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94143, USA
| | - Grace Pohan
- Small Molecule Discovery Center and Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94143, USA
| | - Sarine Markossian
- Small Molecule Discovery Center and Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94143, USA
| | - Michelle R Arkin
- Small Molecule Discovery Center and Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94143, USA.
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Danylchuk DI, Jouard PH, Klymchenko AS. Targeted Solvatochromic Fluorescent Probes for Imaging Lipid Order in Organelles under Oxidative and Mechanical Stress. J Am Chem Soc 2021; 143:912-924. [DOI: 10.1021/jacs.0c10972] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Dmytro I. Danylchuk
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Université de Strasbourg, 74 Route du Rhin, 67401 Illkirch, France
| | - Pierre-Henri Jouard
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Université de Strasbourg, 74 Route du Rhin, 67401 Illkirch, France
| | - Andrey S. Klymchenko
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Université de Strasbourg, 74 Route du Rhin, 67401 Illkirch, France
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Summers KL, Dolgova NV, Gagnon KB, Sopasis GJ, James AK, Lai B, Sylvain NJ, Harris HH, Nichol HK, George GN, Pickering IJ. PBT2 acts through a different mechanism of action than other 8-hydroxyquinolines: an X-ray fluorescence imaging study. Metallomics 2020; 12:1979-1994. [PMID: 33169753 DOI: 10.1039/d0mt00222d] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
8-Hydroxyquinolines (8HQs) comprise a family of metal-binding compounds that have been used or tested for use in numerous medicinal applications, including as treatments for bacterial infection, Alzheimer's disease, and cancer. Two key 8HQs, CQ (5-chloro-7-iodo-8-hydroxyquinoline) and PBT2 (2-(dimethylamino)methyl-5,7-dichloro-8-hydroxyquinoline), have drawn considerable interest and have been the focus of many studies investigating their in vivo properties. These drugs have been described as copper and zinc ionophores because they do not cause metal depletion, as would be expected for a chelation mechanism, but rather cellular accumulation of these ions. In studies of their anti-cancer properties, CQ has been proposed to elicit toxic intracellular copper accumulation and to trigger apoptotic cancer cell death through several possible pathways. In this study we used synchrotron X-ray fluorescence imaging, in combination with biochemical assays and light microscopy, to investigate 8HQ-induced alterations to metal ion homeostasis, as well as cytotoxicity and cell death. We used the bromine fluorescence from a bromine labelled CQ congener (5,7-dibromo-8-hydroxyquinoline; B2Q) to trace the intracellular localization of B2Q following treatment and found that B2Q crosses the cell membrane. We also found that 8HQ co-treatment with Cu(ii) results in significantly increased intracellular copper and significant cytotoxicity compared with 8HQ treatments alone. PBT2 was found to be more cytotoxic, but a weaker Cu(ii) ionophore than other 8HQs. Moreover, treatment of cells with copper in the presence of CQ or B2Q resulted in copper accumulation in the nuclei, while PBT2-guided copper was distributed near to the cell membrane. These results suggest that PBT2 may be acting through a different mechanism than that of other 8HQs to cause the observed cytotoxicity.
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Affiliation(s)
- Kelly L Summers
- Molecular and Environmental Sciences Group, Department of Geological Sciences, College of Arts and Science, University of Saskatchewan, 114 Science Place, Saskatoon, Saskatchewan S7N 5E2, Canada.
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Abstract
Abstract
Transition metals such as zinc, copper and iron play vital roles in maintaining physiological functions and homeostasis of living systems. Molecular imaging, including two-photon imaging (TPI), bioluminescence imaging (BLI) and photoacoustic imaging (PAI), could act as non-invasive toolkits for capturing dynamic events in living cells, tissues and whole animals. Herein, we review the recent progress in the development of molecular probes for essential transition metals and their biological applications. We emphasize the contributions of metallostasis to health and disease, and discuss the future research directions about how to harness the great potential of metal sensors.
Graphic Abstract
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Hirayama T, Niwa M, Hirosawa S, Nagasawa H. High-Throughput Screening for the Discovery of Iron Homeostasis Modulators Using an Extremely Sensitive Fluorescent Probe. ACS Sens 2020; 5:2950-2958. [PMID: 32885952 DOI: 10.1021/acssensors.0c01445] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
High-throughput methods for monitoring subcellular labile Fe(II) are important for conducting studies on iron homeostasis and for the discovery of potential drug candidates for the treatment of iron deficiency or overload. Herein, a highly sensitive and robust fluorescent probe for the detection of intracellular labile Fe(II) is described. The probe was designed through the rational optimization of the reactivity and responsiveness for an Fe(II)-induced fluorogenic reaction based on deoxygenation of an N-oxide, which was developed in-house. The probe is ready to use for a 96-well-plate-based high-content imaging of labile Fe(II) in living cells. Using this simple method, we were able to conduct high-throughput screening of a chemical library containing 3399 compounds. The compound lomofungin was identified as a potential drug candidate for the intracellular enhancement of labile Fe(II) via a novel mechanism in which the ferritin protein was downregulated.
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Affiliation(s)
- Tasuku Hirayama
- Laboratory of Pharmaceutical and Medicinal Chemistry, Gifu Pharmaceutical University, 1-25-4, Daigaku-nishi, Gifu 501-1196, Japan
| | - Masato Niwa
- Laboratory of Pharmaceutical and Medicinal Chemistry, Gifu Pharmaceutical University, 1-25-4, Daigaku-nishi, Gifu 501-1196, Japan
| | - Shusaku Hirosawa
- Laboratory of Pharmaceutical and Medicinal Chemistry, Gifu Pharmaceutical University, 1-25-4, Daigaku-nishi, Gifu 501-1196, Japan
| | - Hideko Nagasawa
- Laboratory of Pharmaceutical and Medicinal Chemistry, Gifu Pharmaceutical University, 1-25-4, Daigaku-nishi, Gifu 501-1196, Japan
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Bruemmer KJ, Crossley SWM, Chang CJ. Activity-Based Sensing: A Synthetic Methods Approach for Selective Molecular Imaging and Beyond. Angew Chem Int Ed Engl 2020; 59:13734-13762. [PMID: 31605413 PMCID: PMC7665898 DOI: 10.1002/anie.201909690] [Citation(s) in RCA: 144] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Indexed: 01/10/2023]
Abstract
Emerging from the origins of supramolecular chemistry and the development of selective chemical receptors that rely on lock-and-key binding, activity-based sensing (ABS)-which utilizes molecular reactivity rather than molecular recognition for analyte detection-has rapidly grown into a distinct field to investigate the production and regulation of chemical species that mediate biological signaling and stress pathways, particularly metal ions and small molecules. Chemical reactions exploit the diverse chemical reactivity of biological species to enable the development of selective and sensitive synthetic methods to decipher their contributions within complex living environments. The broad utility of this reaction-driven approach facilitates application to imaging platforms ranging from fluorescence, luminescence, photoacoustic, magnetic resonance, and positron emission tomography modalities. ABS methods are also being expanded to other fields, such as drug and materials discovery.
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Affiliation(s)
- Kevin J Bruemmer
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
| | - Steven W M Crossley
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
| | - Christopher J Chang
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
- Department of Molecular and Cell Biology and Helen Wills Neuroscience Institute, University of California, Berkeley, Berkeley, CA, 94720, USA
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Gao G, Wang X, Wang Z, Jin X, Ou L, Zhou J, Xie P. A simple and effective dansyl acid based “turn-on” fluorescent probe for detecting labile ferrous iron in physiological saline and live cells. Talanta 2020; 215:120908. [DOI: 10.1016/j.talanta.2020.120908] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 03/04/2020] [Accepted: 03/07/2020] [Indexed: 12/23/2022]
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Ahmmed E, Mondal A, Sarkar A, Chakraborty S, Lohar S, Saha NC, Dhara K, Chattopadhyay P. Bilirubin Quantification in Human Blood Serum by Deoxygenation Reaction Switch-Triggered Fluorescent Probe. ACS APPLIED BIO MATERIALS 2020; 3:4074-4080. [PMID: 35025482 DOI: 10.1021/acsabm.0c00170] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A coumarin-based fluorescent compound, bilirubin fluorescent probe N-oxide (BFPNox), was successfully designed and synthesized for highly selective and sensitive detection of free bilirubin with short response time. The fluorescence "turn-on" response of the probe is based on the in situ generated Fe2+-mediated deoxygenation reaction of N-oxide from the diethylarylamine group of the probe, where the group attached to the coumarin π-conjugated system is responsible for the fluorescence quenching state of the probe, BFPNox. Here, the reaction of the added Fe3+ ions with bilirubin produces Fe2+ ions in situ in aqueous buffer. Fluorescence enhancement of BFPNox was achieved by more than 12-fold when a double equivalent of bilirubin solution was added in reaction buffer at pH 7.2 (50 mM HEPES, 5% DMSO) at 25 °C under excitation at 400 nm. It detected free bilirubin as low as 76 nM in an aqueous system without any interference of metal ions, anions, and other important biomolecules with a linear concentration range of 0-10 μM (R2 = 0.991). The probe was also employed in the estimation of free bilirubin in human serum specimens to verify the efficacy of this probe. With these, it is revealed that this probe is a good candidate to be used as a powerful diagnostic tool for the assessment of free bilirubin with significant accuracy and reliability.
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Affiliation(s)
- Ejaj Ahmmed
- Department of Chemistry, The University of Burdwan, Golapbag, Burdwan 713104, West Bengal, India
| | - Asit Mondal
- Department of Chemistry, The University of Burdwan, Golapbag, Burdwan 713104, West Bengal, India
| | - Arnab Sarkar
- Department of Chemistry, The University of Burdwan, Golapbag, Burdwan 713104, West Bengal, India
| | - Sujaya Chakraborty
- Department of Chemistry, The University of Burdwan, Golapbag, Burdwan 713104, West Bengal, India
| | - Somenath Lohar
- Department of Chemistry, The University of Burdwan, Golapbag, Burdwan 713104, West Bengal, India
| | - Nimai Chandra Saha
- Vice Chancellor's Research Group, The University of Burdwan, Burdwan 713104, West Bengal, India
| | - Koushik Dhara
- Department of Chemistry, Sambhu Nath College, Labpur, Birbhum 731303, West Bengal, India
| | - Pabitra Chattopadhyay
- Department of Chemistry, The University of Burdwan, Golapbag, Burdwan 713104, West Bengal, India
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Foulquier F, Legrand D. Biometals and glycosylation in humans: Congenital disorders of glycosylation shed lights into the crucial role of Golgi manganese homeostasis. Biochim Biophys Acta Gen Subj 2020; 1864:129674. [PMID: 32599014 DOI: 10.1016/j.bbagen.2020.129674] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 06/18/2020] [Accepted: 06/24/2020] [Indexed: 12/24/2022]
Abstract
About half of the eukaryotic proteins bind biometals that participate in their structure and functions in virtually all physiological processes, including glycosylation. After reviewing the biological roles and transport mechanisms of calcium, magnesium, manganese, zinc and cobalt acting as cofactors of the metalloproteins involved in sugar metabolism and/or glycosylation, the paper will outline the pathologies resulting from a dysregulation of these metals homeostasis and more particularly Congenital Disorders of Glycosylation (CDGs) caused by ion transporter defects. Highlighting of CDGs due to defects in SLC39A8 (ZIP8) and TMEM165, two proteins transporting manganese from the extracellular space to cytosol and from cytosol to the Golgi lumen, respectively, has emphasized the importance of manganese homeostasis for glycosylation. Based on our current knowledge of TMEM165 structure and functions, this review will draw a picture of known and putative mechanisms regulating manganese homeostasis in the secretory pathway.
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Affiliation(s)
- François Foulquier
- Univ. Lille, CNRS, UMR 8576 - UGSF - Unité de Glycobiologie Structurale et Fonctionnelle, Lille F-59000, France
| | - Dominique Legrand
- Univ. Lille, CNRS, UMR 8576 - UGSF - Unité de Glycobiologie Structurale et Fonctionnelle, Lille F-59000, France.
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Bruemmer KJ, Crossley SWM, Chang CJ. Aktivitätsbasierte Sensorik: ein synthetisch‐methodischer Ansatz für die selektive molekulare Bildgebung und darüber hinaus. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201909690] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Kevin J. Bruemmer
- Department of Chemistry University of California, Berkeley Berkeley CA 94720 USA
| | | | - Christopher J. Chang
- Department of Chemistry University of California, Berkeley Berkeley CA 94720 USA
- Department of Molecular and Cell Biology and Helen Wills Neuroscience Institute University of California, Berkeley Berkeley CA 94720 USA
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Sassone J, Reale C, Dati G, Regoni M, Pellecchia MT, Garavaglia B. The Role of VPS35 in the Pathobiology of Parkinson's Disease. Cell Mol Neurobiol 2020; 41:199-227. [PMID: 32323152 DOI: 10.1007/s10571-020-00849-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 04/10/2020] [Indexed: 12/21/2022]
Abstract
The vacuolar protein sorting 35 (VPS35) gene located on chromosome 16 has recently emerged as a cause of late-onset familial Parkinson's disease (PD) (PARK17). The gene encodes a 796-residue protein nearly ubiquitously expressed in human tissues. The protein localizes on endosomes where it assembles with other peripheral membrane proteins to form the retromer complex. How VPS35 mutations induce dopaminergic neuron degeneration in humans is still unclear. Because the retromer complex recycles the receptors that mediate the transport of hydrolase to lysosome, it has been suggested that VPS35 mutations lead to impaired lysosomal and autophagy function. Recent studies also demonstrated that VPS35 and the retromer complex influence mitochondrial homeostasis, suggesting that VPS35 mutations elicit mitochondrial dysfunction. More recent studies have identified a key role of VPS35 in neurotransmission, whilst others reported a functional interaction between VPS35 and other genes associated with familial PD, including α-SYNUCLEIN-PARKIN-LRRK2. Here, we review the biological role of VPS35 protein, the VPS35 mutations identified in human PD patients, and the potential molecular mechanism by which VPS35 mutations can induce progressive neurodegeneration in PD.
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Affiliation(s)
- Jenny Sassone
- Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy.
- Vita-Salute San Raffaele University, Milan, Italy.
| | - Chiara Reale
- Medical Genetics and Neurogenetics Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Giovanna Dati
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Baronissi, SA, Italy
| | - Maria Regoni
- Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Maria Teresa Pellecchia
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Baronissi, SA, Italy
| | - Barbara Garavaglia
- Medical Genetics and Neurogenetics Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
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Zhang X, Gou Z, Zuo Y, Lin W. A novel polythioether-based rhodamine B fluorescent probe via successive click reaction and its application in iron ion detection and cell imaging. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 228:117679. [PMID: 31718966 DOI: 10.1016/j.saa.2019.117679] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Revised: 10/17/2019] [Accepted: 10/17/2019] [Indexed: 06/10/2023]
Abstract
Polythioether has good chemical stability and biocompatibility and is a kind of promising polymers for the application of optical materials, medical materials and energy conversion materials. However, the fluorescent probe based on polythioether is still rare. Herein, a series of polythioether based polymer fluorescent probes were synthesized by successive thiol click reaction under ultraviolet light at room temperature. The poly(thioether)s have good selectivity and responsiveness to iron ions and can be applied in cell imaging, which indicate that the broad application prospects of polythioether-based fluorescent probes in ion detection and bioimaging.
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Affiliation(s)
- Xiaomei Zhang
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, University of Jinan, Shandong, 250022, PR China
| | - Zhiming Gou
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, University of Jinan, Shandong, 250022, PR China
| | - Yujing Zuo
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, University of Jinan, Shandong, 250022, PR China
| | - Weiying Lin
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, University of Jinan, Shandong, 250022, PR China.
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Zhang X, Liu C, Chen Y, Cai X, Sheng W, Zhu H, Jia P, Li Z, Huang S, Zhu B. Visualization of the cysteine level during Golgi stress using a novel Golgi-targeting highly specific fluorescent probe. Chem Commun (Camb) 2020; 56:1807-1810. [DOI: 10.1039/c9cc08796f] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A novel Golgi-targeting highly specific fluorescent probe was developed to visualize the level of cysteine during Golgi stress.
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Affiliation(s)
- Xue Zhang
- School of Water Conservancy and Environment
- University of Jinan
- Jinan 250022
- China
| | - Caiyun Liu
- School of Water Conservancy and Environment
- University of Jinan
- Jinan 250022
- China
| | - Yanan Chen
- School of Water Conservancy and Environment
- University of Jinan
- Jinan 250022
- China
| | - Xinyu Cai
- School of Water Conservancy and Environment
- University of Jinan
- Jinan 250022
- China
| | - Wenlong Sheng
- Biology Institute
- Qilu University of Technology (Shandong Academy of Sciences)
- Jinan 250103
- China
| | - Hanchuang Zhu
- School of Water Conservancy and Environment
- University of Jinan
- Jinan 250022
- China
| | - Pan Jia
- School of Water Conservancy and Environment
- University of Jinan
- Jinan 250022
- China
| | - Zilu Li
- School of Water Conservancy and Environment
- University of Jinan
- Jinan 250022
- China
| | - Shengyun Huang
- Department of Oral and Maxillofacial Surgery
- Shandong Provincial Hospital Affiliated to Shandong University
- Jinan 250021
- China
| | - Baocun Zhu
- School of Water Conservancy and Environment
- University of Jinan
- Jinan 250022
- China
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50
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Zhu H, Liang C, Cai X, Zhang H, Liu C, Jia P, Li Z, Yu Y, Zhang X, Sheng W, Zhu B. Rational Design of a Targetable Fluorescent Probe for Visualizing H2S Production under Golgi Stress Response Elicited by Monensin. Anal Chem 2019; 92:1883-1889. [DOI: 10.1021/acs.analchem.9b04009] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Hanchuang Zhu
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Changxu Liang
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Xinyu Cai
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Hanming Zhang
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Caiyun Liu
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Pan Jia
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Zilu Li
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Yamin Yu
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Xue Zhang
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Wenlong Sheng
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China
| | - Baocun Zhu
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
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