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Schwehr BJ, Hartnell D, Ellison G, Hindes MT, Milford B, Dallerba E, Hickey SM, Pfeffer FM, Brooks DA, Massi M, Hackett MJ. Fluorescent probes for neuroscience: imaging ex vivo brain tissue sections. Analyst 2024; 149:4536-4552. [PMID: 39171617 DOI: 10.1039/d4an00663a] [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: 08/23/2024]
Abstract
Neurobiological research relies heavily on imaging techniques, such as fluorescence microscopy, to understand neurological function and disease processes. However, the number and variety of fluorescent probes available for ex vivo tissue section imaging limits the advance of research in the field. In this review, we outline the current range of fluorescent probes that are available to researchers for ex vivo brain section imaging, including their physical and chemical characteristics, staining targets, and examples of discoveries for which they have been used. This review is organised into sections based on the biological target of the probe, including subcellular organelles, chemical species (e.g., labile metal ions), and pathological phenomenon (e.g., degenerating cells, aggregated proteins). We hope to inspire further development in this field, given the considerable benefits to be gained by the greater availability of suitably sensitive probes that have specificity for important brain tissue targets.
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Affiliation(s)
- Bradley J Schwehr
- Curtin University, School of Molecular and Life Sciences, Perth, WA, Australia 6845.
| | - David Hartnell
- Curtin University, School of Molecular and Life Sciences, Perth, WA, Australia 6845.
- Curtin University, Curtin Health Innovation Research Institute, Perth, WA, Australia 6102
| | - Gaewyn Ellison
- Curtin University, School of Molecular and Life Sciences, Perth, WA, Australia 6845.
- Curtin University, Curtin Health Innovation Research Institute, Perth, WA, Australia 6102
| | - Madison T Hindes
- Clinical and Health Sciences, University of South Australia, Adelaide, South Australia 5000
| | - Breah Milford
- Curtin University, School of Molecular and Life Sciences, Perth, WA, Australia 6845.
| | - Elena Dallerba
- Curtin University, School of Molecular and Life Sciences, Perth, WA, Australia 6845.
| | - Shane M Hickey
- Clinical and Health Sciences, University of South Australia, Adelaide, South Australia 5000
| | - Frederick M Pfeffer
- School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Victoria, 3216, Australia
| | - Doug A Brooks
- Clinical and Health Sciences, University of South Australia, Adelaide, South Australia 5000
| | - Massimiliano Massi
- Curtin University, School of Molecular and Life Sciences, Perth, WA, Australia 6845.
| | - Mark J Hackett
- Curtin University, School of Molecular and Life Sciences, Perth, WA, Australia 6845.
- Curtin University, Curtin Health Innovation Research Institute, Perth, WA, Australia 6102
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2
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Zhytniakivska O, Kurutos A, Shchuka M, Vus K, Tarabara U, Trusova V, Gorbenko G. Fӧrster resonance energy transfer between Thioflavin T and unsymmetrical trimethine cyanine dyes on amyloid fibril scaffold. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2021.139127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Liu W, Xu Y, Li X, Meng Y, Wang H, Liu C, Liu C, Wang L. A DNA G-quadruplex converts SOD1 into fibrillar aggregates. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2021.01.045] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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4
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Ilina K, Henary M. Cyanine Dyes Containing Quinoline Moieties: History, Synthesis, Optical Properties, and Applications. Chemistry 2021; 27:4230-4248. [PMID: 33137212 PMCID: PMC9832344 DOI: 10.1002/chem.202003697] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 10/23/2020] [Indexed: 01/13/2023]
Abstract
Cyanine dyes carrying quinoline moieties are an important class of organic molecules that are of great interest for applications in many fields like medicine, pharmacology, and engineering. Despite their exceptional properties, such as stability, high molar extinction coefficients, and high pH-sensitivity, this class of dyes has been less analyzed and reviewed in the last few decades. Therefore, this review article focuses on discussing the history of quinoline compounds, various synthetic routes to prepare quinolinium salts and symmetrical and asymmetrical mono-, di-, tri-, penta- and heptamethine cyanine dyes, containing quinoline moieties, together with their optical properties and applications as photosensitizers in photodynamic therapy, probes in biomolecules for labeling of nucleic acids, as well as imaging agents.
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Affiliation(s)
- Kristina Ilina
- Department of Chemistry, Petit Science Center, Georgia State University, 100 Piedmont Avenue SE Atlanta, GA 30303 (USA)
| | - Maged Henary
- Department of Chemistry, Petit Science Center, Georgia State University, 100 Piedmont Avenue SE Atlanta, GA 30303 (USA),Center for Diagnostics and Therapeutics. Petit Science Center, Georgia State University, 100 Piedmont Avenue SE, Atlanta, GA 30303 (USA)
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Gadekar SP, Lande MK. Ruthenium silicate (RS-1) zeolite: novel heterogeneous efficient catalyst for synthesis of 2-arylbenzothiazole derivatives. RESEARCH ON CHEMICAL INTERMEDIATES 2021. [DOI: 10.1007/s11164-020-04353-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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6
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Preparation of Benzothiazolyl-Decorated Nanoliposomes. Molecules 2019; 24:molecules24081540. [PMID: 31003552 PMCID: PMC6514897 DOI: 10.3390/molecules24081540] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 04/14/2019] [Accepted: 04/17/2019] [Indexed: 11/17/2022] Open
Abstract
Amyloid β (Aβ) species are considered as potential targets for the development of diagnostics/therapeutics towards Alzheimer’s disease (AD). Nanoliposomes which are decorated with molecules having high affinity for Aβ species may be considered as potential carriers for AD theragnostics. Herein, benzothiazolyl (BTH) decorated nanoliposomes were prepared for the first time, after synthesis of a lipidic BTH derivative (lipid-BTH). The synthetic pathway included acylation of bis(2-aminophenyl) disulfide with palmitic acid or palmitoyl chloride and subsequent reduction of the oxidized dithiol derivative. The liberated thiols were able to cyclize to the corresponding benzothiazolyl derivatives only after acidification of the reaction mixture. Each step of the procedure was monitored by HPLC analysis in order to identify all the important parameters for the formation of the BTH-group. Finally, the optimal methodology was identified, and was applied for the synthesis of the lipid-BTH derivative. BTH-decorated nanoliposomes were then prepared and characterized for physicochemical properties (size distribution, surface charge, physical stability, and membrane integrity during incubation in presence of buffer and plasma proteins). Pegylated BTH-nanoliposomes were demonstrated to have high integrity in the presence of proteins (in comparison to non-peglated ones) justifying their further exploitation as potential theragnostic systems for AD.
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Ibáñez G, Calder PA, Radu C, Bhinder B, Shum D, Antczak C, Djaballah H. Evaluation of Compound Optical Interference in High-Content Screening. SLAS DISCOVERY 2017; 23:321-329. [PMID: 28467117 DOI: 10.1177/2472555217707725] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Compound optical interference remains an inherent problem in chemical screening and has been well documented for biochemical assays and less so for automated microscopy-based assays. It has also been the assumption that the latter should not suffer from such interference because of the washing steps involved in the process, thus eliminating the residual nonspecific compound effects. Instead, these compounds may have no relevance to the actual target, and as such, compound optical interference contributes to a number of false-positives, resulting in a high attrition rate during subsequent follow-up studies. In this report, we analyze the outcome of a high-content screen using enhanced green fluorescent protein as a reporter in a gain-of-function cell-based assay in search of modulators of the micro RNA (miRNA) biogenesis pathway. Using a previously validated image-based biosensor, we screened a diverse library collection of ~315,000 compounds covering natural and synthetic derivatives in which 1130 positives were identified to enhance green fluorescence expression. Lateral confirmation and dose-response studies revealed that all of these compounds were the result of optical interference and not specific inhibition of miRNA biogenesis. Here, we highlight the chemical classes that are susceptible to compound optical interference and discuss their implications in automated microscopy-based assays.
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Affiliation(s)
- Glorymar Ibáñez
- 1 Herbert Irving Comprehensive Cancer Center, Columbia University, New York, NY, USA.,2 HTS Core Facility, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Paul A Calder
- 1 Herbert Irving Comprehensive Cancer Center, Columbia University, New York, NY, USA.,2 HTS Core Facility, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Constantin Radu
- 3 Institut Pasteur Korea, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Bhavneet Bhinder
- 2 HTS Core Facility, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,4 Weill Cornell Medicine, New York, NY, USA
| | - David Shum
- 2 HTS Core Facility, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,3 Institut Pasteur Korea, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Christophe Antczak
- 2 HTS Core Facility, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,5 Novartis Institutes for Biomedical Research, Cambridge, MA, USA
| | - Hakim Djaballah
- 2 HTS Core Facility, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,6 Keren Therapeutics, Scarsdale, NY, USA
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Identification of dibenzyl imidazolidine and triazole acetamide derivatives through virtual screening targeting amyloid beta aggregation and neurotoxicity in PC12 cells. Eur J Med Chem 2017; 130:354-364. [DOI: 10.1016/j.ejmech.2017.02.057] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 02/24/2017] [Accepted: 02/26/2017] [Indexed: 11/21/2022]
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9
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Proteins behaving badly. Substoichiometric molecular control and amplification of the initiation and nature of amyloid fibril formation: lessons from and for blood clotting. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2017; 123:16-41. [DOI: 10.1016/j.pbiomolbio.2016.08.006] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2016] [Revised: 08/14/2016] [Accepted: 08/19/2016] [Indexed: 02/08/2023]
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10
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Singh J, Srivastava A, Sharma P, Pradhan P, Kundu B. DNA intercalators as amyloid assembly modulators: mechanistic insights. RSC Adv 2017. [DOI: 10.1039/c6ra26313e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
DNA intercalators modulate amyloid assembly of proteins through specific hetero-aromatic interactions diverting them to form amorphous aggregates.
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Affiliation(s)
- Jasdeep Singh
- Kusuma School of Biological Sciences
- Indian Institute of Technology Delhi
- New Delhi
- India
| | - Ankit Srivastava
- Kusuma School of Biological Sciences
- Indian Institute of Technology Delhi
- New Delhi
- India
| | - Pankaj Sharma
- Kusuma School of Biological Sciences
- Indian Institute of Technology Delhi
- New Delhi
- India
| | - Prashant Pradhan
- Kusuma School of Biological Sciences
- Indian Institute of Technology Delhi
- New Delhi
- India
| | - Bishwajit Kundu
- Kusuma School of Biological Sciences
- Indian Institute of Technology Delhi
- New Delhi
- India
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Lindberg DJ, Esbjörner EK. Detection of amyloid-β fibrils using the DNA-intercalating dye YOYO-1: Binding mode and fibril formation kinetics. Biochem Biophys Res Commun 2016; 469:313-8. [DOI: 10.1016/j.bbrc.2015.11.051] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Accepted: 11/11/2015] [Indexed: 11/30/2022]
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12
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Kataoka Y, Fujita H, Kasahara Y, Yoshihara T, Tobita S, Kuwahara M. Minimal Thioflavin T Modifications Improve Visual Discrimination of Guanine-Quadruplex Topologies and Alter Compound-Induced Topological Structures. Anal Chem 2014; 86:12078-84. [DOI: 10.1021/ac5028325] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yuka Kataoka
- Graduate School of Science and Technology, Gunma University, 1-5-1
Tenjin-cho, Kiryu, Gunma 376-8515, Japan
| | - Hiroto Fujita
- Graduate School of Science and Technology, Gunma University, 1-5-1
Tenjin-cho, Kiryu, Gunma 376-8515, Japan
| | - Yuuya Kasahara
- Graduate School of Science and Technology, Gunma University, 1-5-1
Tenjin-cho, Kiryu, Gunma 376-8515, Japan
- National Institute of Biomedical Innovation (NIBIO), 7-6-8 Asagi, Saito, Ibaraki, Osaka 567-0085, Japan
| | - Toshitada Yoshihara
- Graduate School of Science and Technology, Gunma University, 1-5-1
Tenjin-cho, Kiryu, Gunma 376-8515, Japan
| | - Seiji Tobita
- Graduate School of Science and Technology, Gunma University, 1-5-1
Tenjin-cho, Kiryu, Gunma 376-8515, Japan
| | - Masayasu Kuwahara
- Graduate School of Science and Technology, Gunma University, 1-5-1
Tenjin-cho, Kiryu, Gunma 376-8515, Japan
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