1
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Orleanska J, Bik E, Baranska M, Majzner K. Mechanisms of mitotic inhibition in human aorta endothelial cells: Molecular and morphological in vitro spectroscopic studies. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 322:124623. [PMID: 39002470 DOI: 10.1016/j.saa.2024.124623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 06/05/2024] [Accepted: 06/06/2024] [Indexed: 07/15/2024]
Abstract
Mitotic inhibitors are drugs commonly used in chemotherapy, but their nonspecific and indiscriminate distribution throughout the body after intravenous administration can lead to serious side effects, particularly on the cardiovascular system. In this context, our investigation into the mechanism of the cytotoxic effects on endothelial cells of mitotic inhibitors widely used in cancer treatment, such as paclitaxel (also known as Taxol) and Vinca alkaloids, holds significant practical implications. Understanding these mechanisms can lead to more targeted and less harmful cancer treatments. Human aorta endothelial cells (HAECs) were incubated with selected mitotic inhibitors in a wide range of concentrations close to those in human plasma during anticancer therapy. The analysis of single cells imaged by Raman spectroscopy allowed for visualization of the nuclear, cytoplasmic, and perinuclear areas to assess biochemical changes induced by the drug's action. The results showed significant changes in the morphology and molecular composition of the nucleus. Moreover, an effect of a given drug on the cytoplasm was observed, which can be related to its mechanism of action (MoA). Raman data supported by fluorescence microscopy measurements identified unique changes in DNA form and proteins and revealed drug-induced inflammation of endothelial cells. The primary goal of mitotic inhibitors is based on the impairment of tubulin formation and the inhibition of the mitosis process. While all three drugs affect microtubules and disrupt cell division, they do so through different MoA, i.e., Vinca alkaloids inhibit microtubule formation, whereas paclitaxel stabilizes microtubules. To sum up, the work shows how a specific drug can interact with endothelial cells.
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Affiliation(s)
- Jagoda Orleanska
- Jagiellonian University, Faculty of Chemistry, Gronostajowa 2, 30-387 Krakow, Poland; Jagiellonian University, Doctoral School of Exact and Natural Sciences, Lojasiewicza 11, 30-348 Krakow, Poland; Jagiellonian University, Jagiellonian Centre for Experimental Therapeutics (JCET), Bobrzynskiego 14, 30-348 Krakow, Poland
| | - Ewelina Bik
- Jagiellonian University, Faculty of Chemistry, Gronostajowa 2, 30-387 Krakow, Poland; Jagiellonian University, Jagiellonian Centre for Experimental Therapeutics (JCET), Bobrzynskiego 14, 30-348 Krakow, Poland; Academic Centre for Materials and Nanotechnology, AGH University of Krakow, Mickiewicza Av. 30, 30-059 Krakow, Poland
| | - Malgorzata Baranska
- Jagiellonian University, Faculty of Chemistry, Gronostajowa 2, 30-387 Krakow, Poland; Jagiellonian University, Jagiellonian Centre for Experimental Therapeutics (JCET), Bobrzynskiego 14, 30-348 Krakow, Poland
| | - Katarzyna Majzner
- Jagiellonian University, Faculty of Chemistry, Gronostajowa 2, 30-387 Krakow, Poland.
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2
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Liu X, Shi L, Zhao Z, Shu J, Min W. VIBRANT: spectral profiling for single-cell drug responses. Nat Methods 2024; 21:501-511. [PMID: 38374266 PMCID: PMC11214684 DOI: 10.1038/s41592-024-02185-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 01/16/2024] [Indexed: 02/21/2024]
Abstract
High-content cell profiling has proven invaluable for single-cell phenotyping in response to chemical perturbations. However, methods with improved throughput, information content and affordability are still needed. We present a new high-content spectral profiling method named vibrational painting (VIBRANT), integrating mid-infrared vibrational imaging, multiplexed vibrational probes and an optimized data analysis pipeline for measuring single-cell drug responses. Three infrared-active vibrational probes were designed to measure distinct essential metabolic activities in human cancer cells. More than 20,000 single-cell drug responses were collected, corresponding to 23 drug treatments. The resulting spectral profile is highly sensitive to phenotypic changes under drug perturbation. Using this property, we built a machine learning classifier to accurately predict drug mechanism of action at single-cell level with minimal batch effects. We further designed an algorithm to discover drug candidates with new mechanisms of action and evaluate drug combinations. Overall, VIBRANT has demonstrated great potential across multiple areas of phenotypic screening.
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Affiliation(s)
- Xinwen Liu
- Department of Chemistry, Columbia University, New York, NY, USA
| | - Lixue Shi
- Department of Chemistry, Columbia University, New York, NY, USA
- Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, and Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Zhilun Zhao
- Department of Chemistry, Columbia University, New York, NY, USA
| | - Jian Shu
- Cutaneous Biology Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Wei Min
- Department of Chemistry, Columbia University, New York, NY, USA.
- Department of Biomedical Engineering, Columbia University, New York, NY, USA.
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3
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Delrue C, Speeckaert R, Oyaert M, Kerre T, Rottey S, Coopman R, Huvenne W, De Bruyne S, Speeckaert MM. Infrared Spectroscopy: A New Frontier in Hematological Disease Diagnosis. Int J Mol Sci 2023; 24:17007. [PMID: 38069330 PMCID: PMC10707114 DOI: 10.3390/ijms242317007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 11/28/2023] [Accepted: 11/29/2023] [Indexed: 12/18/2023] Open
Abstract
Hematological diseases, due to their complex nature and diverse manifestations, pose significant diagnostic challenges in healthcare. The pressing need for early and accurate diagnosis has driven the exploration of novel diagnostic techniques. Infrared (IR) spectroscopy, renowned for its noninvasive, rapid, and cost-effective characteristics, has emerged as a promising adjunct in hematological diagnostics. This review delves into the transformative role of IR spectroscopy and highlights its applications in detecting and diagnosing various blood-related ailments. We discuss groundbreaking research findings and real-world applications while providing a balanced view of the potential and limitations of the technique. By integrating advanced technology with clinical needs, we offer insights into how IR spectroscopy may herald a new era of hematological disease diagnosis.
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Affiliation(s)
- Charlotte Delrue
- Department of Nephrology, Ghent University Hospital, 9000 Ghent, Belgium;
| | | | - Matthijs Oyaert
- Department of Clinical Biology, Ghent University Hospital, 9000 Ghent, Belgium; (M.O.); (S.D.B.)
| | - Tessa Kerre
- Department of Hematology, Ghent University Hospital, 9000 Ghent, Belgium;
| | - Sylvie Rottey
- Department of Medical Oncology, Ghent University Hospital, 9000 Ghent, Belgium;
| | - Renaat Coopman
- Department of Oral, Maxillofacial and Plastic Surgery, Ghent University Hospital, 9000 Ghent, Belgium;
| | - Wouter Huvenne
- Department of Head and Neck Surgery, Ghent University Hospital, 9000 Ghent, Belgium;
| | - Sander De Bruyne
- Department of Clinical Biology, Ghent University Hospital, 9000 Ghent, Belgium; (M.O.); (S.D.B.)
| | - Marijn M. Speeckaert
- Department of Nephrology, Ghent University Hospital, 9000 Ghent, Belgium;
- Research Foundation-Flanders (FWO), 1000 Brussels, Belgium
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4
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Notarstefano V, Belloni A, Mariani P, Orilisi G, Orsini G, Giorgini E, Byrne HJ. Multivariate curve Resolution-Alternating least squares coupled with Raman microspectroscopy: new insights into the kinetic response of primary oral squamous carcinoma cells to cisplatin. Analyst 2023; 148:4365-4372. [PMID: 37548234 DOI: 10.1039/d3an01182h] [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: 08/08/2023]
Abstract
Raman MicroSpectroscopy (RMS) is a powerful label-free tool to probe the effects of drugs at a cellular/subcellular level. It is important, however, to be able to extract relevant biochemical and kinetic spectroscopic signatures of the specific cellular responses. In the present study, a combination of Multivariate Curve Resolution-Alternating Least Squares (MCR-ALS) and Principal Component Analysis (PCA) is used to analyse the RMS data for the example of exposure of primary Oral Squamous Carcinoma Cells (OSCC) to the chemotherapeutic agent cisplatin. Dosing regimens were established by cytotoxicity assays, and the effects of the drug on cellular spectral profiles were monitored from 16 to 72 hours post-exposure using an apoptosis assay, to establish the relative populations of viable (V), early (EA) and late apoptotic/dead (LA/D) cells after the drug treatment. Based on a kinetic model of the progression from V > EA > D, MCR-ALS regression analysis of the RMS responses was able to extract spectral profiles associated with each stage of the cellular responses, enabling a quantitative comparison of the response rates for the respective drug treatments. Moreover, PCA was used to compare the spectral profiles of the viable cells exposed to the drug. Spectral differences were highlighted in the early stages (16 hours exposure), indicative of the initial cellular response to the drug treatment, and also in the late stages (48-72 hours exposure), representing the cell death pathway. The study demonstrates that RMS coupled with multivariate analysis can be used to quantitatively monitor the progression of cellular responses to different drugs, towards future applications for label-free, in vitro, pre-clinical screening.
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Affiliation(s)
- Valentina Notarstefano
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy.
| | - Alessia Belloni
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy.
| | - Paolo Mariani
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy.
| | - Giulia Orilisi
- Department of Clinical Sciences and Stomatology, Università Politecnica delle Marche, Via Brecce Bianche, 60126 Ancona, Italy
| | - Giovanna Orsini
- Department of Clinical Sciences and Stomatology, Università Politecnica delle Marche, Via Brecce Bianche, 60126 Ancona, Italy
| | - Elisabetta Giorgini
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy.
| | - Hugh J Byrne
- FOCAS Research Institute, Technological University Dublin, City Campus, Dublin, Ireland
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Abstract
Lipids are essential cellular components forming membranes, serving as energy reserves, and acting as chemical messengers. Dysfunction in lipid metabolism and signaling is associated with a wide range of diseases including cancer and autoimmunity. Heterogeneity in cell behavior including lipid signaling is increasingly recognized as a driver of disease and drug resistance. This diversity in cellular responses as well as the roles of lipids in health and disease drive the need to quantify lipids within single cells. Single-cell lipid assays are challenging due to the small size of cells (∼1 pL) and the large numbers of lipid species present at concentrations spanning orders of magnitude. A growing number of methodologies enable assay of large numbers of lipid analytes, perform high-resolution spatial measurements, or permit highly sensitive lipid assays in single cells. Covered in this review are mass spectrometry, Raman imaging, and fluorescence-based assays including microscopy and microseparations.
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Affiliation(s)
- Ming Yao
- Department of Bioengineering, University of Washington, Seattle, Washington, USA; , ,
| | | | - Nancy L Allbritton
- Department of Bioengineering, University of Washington, Seattle, Washington, USA; , ,
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6
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Li C, Feng C, Xu R, Jiang B, Li L, He Y, Tu C, Li Z. The emerging applications and advancements of Raman spectroscopy in pediatric cancers. Front Oncol 2023; 13:1044177. [PMID: 36814817 PMCID: PMC9939836 DOI: 10.3389/fonc.2023.1044177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 01/18/2023] [Indexed: 02/09/2023] Open
Abstract
Although the survival rate of pediatric cancer has significantly improved, it is still an important cause of death among children. New technologies have been developed to improve the diagnosis, treatment, and prognosis of pediatric cancers. Raman spectroscopy (RS) is a non-destructive analytical technique that uses different frequencies of scattering light to characterize biological specimens. It can provide information on biological components, activities, and molecular structures. This review summarizes studies on the potential of RS in pediatric cancers. Currently, studies on the application of RS in pediatric cancers mainly focus on early diagnosis, prognosis prediction, and treatment improvement. The results of these studies showed high accuracy and specificity. In addition, the combination of RS and deep learning is discussed as a future application of RS in pediatric cancer. Studies applying RS in pediatric cancer illustrated good prospects. This review collected and analyzed the potential clinical applications of RS in pediatric cancers.
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Affiliation(s)
- Chenbei Li
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China,Department of Orthopaedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Chengyao Feng
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China,Department of Orthopaedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ruiling Xu
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China,Department of Orthopaedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Buchan Jiang
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China,Department of Orthopaedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lan Li
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yu He
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Chao Tu
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China,Department of Orthopaedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China,*Correspondence: Chao Tu, ; Zhihong Li,
| | - Zhihong Li
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China,Department of Orthopaedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China,*Correspondence: Chao Tu, ; Zhihong Li,
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7
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Kamat S, Kumari M, Jayabaskaran C. Infrared spectroscopy and flow cytometry studies on the apoptotic effect of nano-chrysin in HeLa cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 282:121666. [PMID: 35921748 DOI: 10.1016/j.saa.2022.121666] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 07/14/2022] [Accepted: 07/22/2022] [Indexed: 06/15/2023]
Abstract
Mapping the structural changes in membrane lipids, proteins, polysaccharides and nucleic acids has opened new channels for understanding the mode of action of anticancer natural products. Earlier, we synthesized chrysin nanoparticles (NChr) with good bioavailability, and characterized its size, surface charge, entrapment efficiency, and drug release pattern using PLGA polymer. NChr induced concentration dependent cytotoxicity in HeLa cells with an IC50 of 61.54 ± 1.2 µM in comparison with free chrysin with IC50 of 86.51 ± 2.9 µM. Since nanoparticles interact dynamically with cell membranes, organelles, proteins and DNA, it is necessary to understand the interplay of nanodrug induced macromolecular changes in cancer cells. In this work, we obtained signatures of NChr-induced biochemical changes in HeLa cells by Attenuated Total Reflectance-Fourier Transform Infrared Spectroscopy technique coupled with flow cytometry. NChr induced cell membrane disruption, G1 phase cell cycle arrest, and increased externalization of phosphatidylserine leading to apoptosis indicating the biochemical perturbations in membrane lipids and DNA of HeLa cells in comparison with untreated cells. The 1300-1000 cm-1 spectral region indicated NChr interaction with the ribose sugar backbone and DNA denaturation. Spectral range 1800-1400 cm-1 indicated a concentration dependent decrease in α helical and β sheet structures which may lead to protein degradation during apoptosis. The spectral range 3000-2800 cm-1 indicated the lipid peroxidation in response to NChr treatment. This is the first study describing the bio-macromolecular changes induced by a nano encapsulated drug and can pave the way to investigate unconventional modes of action for bioactive formulations.
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Affiliation(s)
- Siya Kamat
- Department of Biochemistry, Indian Institute of Science, Bangalore 560012, India
| | - Madhuree Kumari
- Department of Biochemistry, Indian Institute of Science, Bangalore 560012, India.
| | - C Jayabaskaran
- Department of Biochemistry, Indian Institute of Science, Bangalore 560012, India.
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8
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Belloni A, Furlani M, Greco S, Notarstefano V, Pro C, Randazzo B, Pellegrino P, Zannotti A, Carpini GD, Ciavattini A, Di Lillo F, Giorgini E, Giuliani A, Cinti S, Ciarmela P. Uterine leiomyoma as useful model to unveil morphometric and macromolecular collagen state and impairment in fibrotic diseases: An ex-vivo human study. Biochim Biophys Acta Mol Basis Dis 2022; 1868:166494. [PMID: 35850176 DOI: 10.1016/j.bbadis.2022.166494] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 07/07/2022] [Accepted: 07/11/2022] [Indexed: 10/18/2022]
Abstract
Collagen is one of the main components of the extracellular matrix (ECM), involved, among all, in the maintenance of the structural support of tissues. In fibrotic diseases, collagen is overexpressed, and its production determines the formation of a significantly stiffer ECM. The cross-linking of high-resolution analytical tools, able to investigate both the tridimensional organization and the secondary structure of collagen in fibrotic diseases, could be useful to identify defined markers correlating the status of this protein with specific pathological conditions. To this purpose, an innovative multidisciplinary approach based on Phase-Contrast MicroComputed Tomography, Transmission Electron Microscopy, and Fourier Transform Infrared Imaging Spectroscopy was exploited on leiomyoma samples and adjacent myometrium to characterize microstructural collagen features. Uterine leiomyoma is a common gynecological disorder affecting women in fertile age. It is characterized by a massive collagen production due to the repairing processes occurring at myometrium level, and, hence, it represents a valuable model to investigate collagen self-organization in a pathological condition. Moreover, to evaluate the sensitivity of this multidisciplinary approach, the effects of eicosapentaenoic (EPA) and docosahexaenoic (DHA) omega-3 fatty acids in collagen reduction were also investigated.
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Affiliation(s)
- Alessia Belloni
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, Ancona, Italy.
| | - Michele Furlani
- Department of Odontostomatologic and Specialized Clinical Sciences, Università Politecnica delle Marche, Ancona, Italy.
| | - Stefania Greco
- Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, Ancona, Italy.
| | - Valentina Notarstefano
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, Ancona, Italy.
| | - Chiara Pro
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, Ancona, Italy.
| | - Basilio Randazzo
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, Ancona, Italy.
| | - Pamela Pellegrino
- Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, Ancona, Italy.
| | - Alessandro Zannotti
- Department of Odontostomatologic and Specialized Clinical Sciences, Università Politecnica delle Marche, Ancona, Italy.
| | - Giovanni Delli Carpini
- Department of Odontostomatologic and Specialized Clinical Sciences, Università Politecnica delle Marche, Ancona, Italy.
| | - Andrea Ciavattini
- Department of Odontostomatologic and Specialized Clinical Sciences, Università Politecnica delle Marche, Ancona, Italy.
| | | | - Elisabetta Giorgini
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, Ancona, Italy.
| | - Alessandra Giuliani
- Department of Odontostomatologic and Specialized Clinical Sciences, Università Politecnica delle Marche, Ancona, Italy.
| | - Saverio Cinti
- Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, Ancona, Italy; Center of Obesity, Università Politecnica delle Marche, Ancona, Italy.
| | - Pasquapina Ciarmela
- Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, Ancona, Italy.
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9
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Siriwaseree J, Sanachai K, Aiebchun T, Tabtimmai L, Kuaprasert B, Choowongkomon K. Synchrotron Fourier Transform Infrared Microscopy Spectra in Cellular Effects of Janus Kinase Inhibitors on Myelofibrosis Cancer Cells. ACS OMEGA 2022; 7:22797-22803. [PMID: 35811912 PMCID: PMC9260937 DOI: 10.1021/acsomega.2c02404] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 06/09/2022] [Indexed: 06/15/2023]
Abstract
Janus kinase (JAK) deregulation of the JAK/signal transducers and activators of transcription pathway leads to myelofibrosis that can be treated by JAK inhibitors including Ruxolitinib and Tofacitinib. Even though both inhibitors are effective against myelofibrosis, each of them has a different mode of action in the cells. Ruxolitinib is an inhibitor for selective JAK1/2, and Tofacitinib is an inhibitor for JAK3. This study evaluated the chemical fingerprints of TF-1 cells after JAK inhibitor treatments by the synchrotron Fourier transform infrared microspectroscopy (S-FTIR) spectrum. Tofacitinib and Ruxolitinib treatments in TF-1 cells were applied with a chemical fingerprint approach in S-FTIR spectroscopy and in vitro cytotoxicity in a cell-based assay. Principal component analysis or PCA was utilized to classify three cell treatments with three biochemical alteration absorbances of lipid vibration by the C-H stretching, protein amide I that appeared from the C=O stretching, and a P=O phosphodiester bond from nucleic acids. The results showed that the inhibition effect of Ruxolitinib on the TF-1 cell lines was two-fold higher than Tofacitinib. PCA distinguishes untreated and drug-treated cells by detecting cellular biochemical alteration. The loading plots identify that proteins and nucleic acids were the different main components in disparate cell treatments. Tofacitinib was distinct from the others in lipid and nucleic acid. The second derivative spectra of the three molecular components had decreased lipid production and accumulation, changes in secondary structures in proteins, and a high level of RNA overexpression in cell treatment. The JAK inhibitors caused different spectroscopic biomarkers of the modifications of secondary protein conformation, stimulated cell lipid accumulation, and phosphorylation from untreated cells. The alteration of cellular biochemical components suggests that FTIR is a potential tool to analyze specific patterns of drug cellular responses at the molecular level.
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Affiliation(s)
- Jeeraprapa Siriwaseree
- Faculty
of Science, Department of Biochemistry, Kasetsart University, Bangkok 10900, Thailand
| | - Kamonpan Sanachai
- Faculty
of Science, Department of Biochemistry, Structural and Computational
Biology Research Unit, Chulalongkorn University, Bangkok 10330, Thailand
| | - Thitinan Aiebchun
- Faculty
of Science, Department of Biochemistry, Kasetsart University, Bangkok 10900, Thailand
| | - Lueacha Tabtimmai
- Faculty
of Applied Science, Department of Biotechnology, King Mongkut’s University of Technology of North Bangkok, Bangkok 10800, Thailand
| | - Buabarn Kuaprasert
- Synchrotron
Light Research Institute (Public Organization), Nakhon Ratchasrima 30000, Thailand
| | - Kiattawee Choowongkomon
- Faculty
of Science, Department of Biochemistry, Kasetsart University, Bangkok 10900, Thailand
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10
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Notarstefano V, Belloni A, Sabbatini S, Pro C, Orilisi G, Monterubbianesi R, Tosco V, Byrne HJ, Vaccari L, Giorgini E. Cytotoxic Effects of 5-Azacytidine on Primary Tumour Cells and Cancer Stem Cells from Oral Squamous Cell Carcinoma: An In Vitro FTIRM Analysis. Cells 2021; 10:2127. [PMID: 34440896 PMCID: PMC8392608 DOI: 10.3390/cells10082127] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 08/10/2021] [Accepted: 08/17/2021] [Indexed: 01/05/2023] Open
Abstract
In the present study, the cytotoxic effects of 5-azacytidine on primary Oral Squamous Cell Carcinoma cells (OSCCs) from human biopsies, and on Cancer Stem Cells (CSCs) from the same samples, were investigated by an in vitro Fourier Transform InfraRed Microscospectroscopy (FTIRM) approach coupled with multivariate analysis. OSCC is an aggressive tumoral lesion of the epithelium, accounting for ~90% of all oral cancers. It is usually diagnosed in advanced stages, and this causes a poor prognosis with low success rates of surgical, as well as radiation and chemotherapy treatments. OSCC is frequently characterised by recurrence after chemotherapy and by the development of a refractoriness to some employed drugs, which is probably ascribable to the presence of CSCs niches, responsible for cancer growth, chemoresistance and metastasis. The spectral information from FTIRM was correlated with the outcomes of cytotoxicity tests and image-based cytometry, and specific spectral signatures attributable to 5-azacytidine treatment were identified, allowing us to hypothesise the demethylation of DNA and, hence, an increase in the transcriptional activity, together with a conformational transition of DNA, and a triggering of cell death by an apoptosis mechanism. Moreover, a different mechanism of action between OSSC and CSC cells was highlighted, probably due to possible differences between OSCCs and CSCs response.
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Affiliation(s)
- Valentina Notarstefano
- Department of Life and Environmental Sciences, Università Politecnica Delle Marche, 60131 Ancona, Italy; (V.N.); (A.B.); (C.P.)
| | - Alessia Belloni
- Department of Life and Environmental Sciences, Università Politecnica Delle Marche, 60131 Ancona, Italy; (V.N.); (A.B.); (C.P.)
| | - Simona Sabbatini
- Department of Material, Environmental Sciences and Urban Planning, Università Politecnica Delle Marche, 60131 Ancona, Italy;
| | - Chiara Pro
- Department of Life and Environmental Sciences, Università Politecnica Delle Marche, 60131 Ancona, Italy; (V.N.); (A.B.); (C.P.)
| | - Giulia Orilisi
- Department of Clinical Sciences and Stomatology, Università Politecnica Delle Marche, 60126 Ancona, Italy; (G.O.); (R.M.); (V.T.)
| | - Riccardo Monterubbianesi
- Department of Clinical Sciences and Stomatology, Università Politecnica Delle Marche, 60126 Ancona, Italy; (G.O.); (R.M.); (V.T.)
| | - Vincenzo Tosco
- Department of Clinical Sciences and Stomatology, Università Politecnica Delle Marche, 60126 Ancona, Italy; (G.O.); (R.M.); (V.T.)
| | - Hugh J. Byrne
- FOCAS Research Institute, Technological University Dublin, Dublin 8, Ireland;
| | - Lisa Vaccari
- Elettra Sincrotrone Trieste, SISSI Beamline, 34149 Basovizza, Italy;
| | - Elisabetta Giorgini
- Department of Life and Environmental Sciences, Università Politecnica Delle Marche, 60131 Ancona, Italy; (V.N.); (A.B.); (C.P.)
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11
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Notarstefano V, Sabbatini S, Pro C, Belloni A, Orilisi G, Rubini C, Byrne HJ, Vaccari L, Giorgini E. Exploiting fourier transform infrared and Raman microspectroscopies on cancer stem cells from oral squamous cells carcinoma: new evidence of acquired cisplatin chemoresistance. Analyst 2021; 145:8038-8049. [PMID: 33063801 DOI: 10.1039/d0an01623c] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Oral Squamous Cells Carcinoma (OSCC) is characterised by the risk of recurrence and the onset of a refractoriness response to chemotherapy drugs. These phenomena have been recently related to a subpopulation of Cancer Stem Cells (CSCs), which have either an innate or acquired drug resistance, triggered by chemotherapy treatments. In this light, to precisely target chemotherapy regimens, it is essential to improve knowledge on CSCs, with a particular focus on their molecular features. In this work, a subpopulation of CSCs, isolated by tumour sphere formation from primary OSCC cells, were treated with cisplatin for 16, 24 and 48 hours and analysed by infrared absorption and Raman microspectroscopies. CSC spectral data were compared with those obtained in previous work, for primary OSCC cells treated under the same conditions. Routine viability/apoptosis cell-based assays evidenced in CSCs and primary OSCCs, a similar degree of sensitivity to the drug at 24 hours, while a reversion of the conventional monotonic time response exhibited by OSCCs was shown by CSCs at 48 hours. This peculiar time response was also supported by the analysis of IR and Raman data, which pinpointed alterations in the lipid composition and DNA conformation in CSCs. The results obtained suggest that CSCs, although sharing with OSCC cells a similar sensitivity to cisplatin, display the onset of a mechanism of chemoresistance and enrichment of resistant CSCs as a result of drug treatment, shedding new light on the severe issue of refractoriness of some patients to chemotherapy conventionally used for OSCC.
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Affiliation(s)
- Valentina Notarstefano
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, 60131 Ancona, Italy.
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12
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Spadea A, Denbigh J, Lawrence MJ, Kansiz M, Gardner P. Analysis of Fixed and Live Single Cells Using Optical Photothermal Infrared with Concomitant Raman Spectroscopy. Anal Chem 2021; 93:3938-3950. [PMID: 33595297 PMCID: PMC8018697 DOI: 10.1021/acs.analchem.0c04846] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 01/26/2021] [Indexed: 12/24/2022]
Abstract
This paper reports the first use of a novel completely optically based photothermal method (O-PTIR) for obtaining infrared spectra of both fixed and living cells using a quantum cascade laser (QCL) and optical parametric oscillator (OPO) laser as excitation sources, thus enabling all biologically relevant vibrations to be analyzed at submicron spatial resolution. In addition, infrared data acquisition is combined with concomitant Raman spectra from exactly the same excitation location, meaning the full vibrational profile of the cell can be obtained. The pancreatic cancer cell line MIA PaCa-2 and the breast cancer cell line MDA-MB-231 are used as model cells to demonstrate the capabilities of the new instrumentation. These combined modalities can be used to analyze subcellular structures in both fixed and, more importantly, live cells under aqueous conditions. We show that the protein secondary structure and lipid-rich bodies can be identified on the submicron scale.
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Affiliation(s)
- Alice Spadea
- NorthWest
Centre for Advanced Drug Delivery (NoWCADD), School of Health Sciences, University of Manchester, Oxford Road, Manchester M13 9PL, U.K.
- Division
of Pharmacy and Optometry, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre Oxford
Road, Manchester M13 9PL, U.K.
| | - Joanna Denbigh
- Seda
Pharmaceutical Development Services, Alderley Park, Alderley
Edge, Cheshire SK10 4TG, U.K.
- School
of Science, Engineering and Environment, University of Salford, Salford, M5 4WT, U.K.
| | - M. Jayne Lawrence
- NorthWest
Centre for Advanced Drug Delivery (NoWCADD), School of Health Sciences, University of Manchester, Oxford Road, Manchester M13 9PL, U.K.
- Division
of Pharmacy and Optometry, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre Oxford
Road, Manchester M13 9PL, U.K.
| | - Mustafa Kansiz
- Photothermal
Spectroscopy Corp. 325
Chapala Street, Santa Barbara, California 93101, United States
| | - Peter Gardner
- Manchester
Institute of Biotechnology, University of
Manchester, 131 Princess Street, Manchester M1 7DN, U.K.
- Department
of Chemical Engineering and Analytical Science, School of Engineering, University of Manchester, Oxford Road, Manchester M13 9PL, U.K.
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13
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Caliskan S, Oldenhof H, Brogna R, Rashidfarokhi B, Sieme H, Wolkers WF. Spectroscopic assessment of oxidative damage in biomolecules and tissues. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 246:119003. [PMID: 33035890 DOI: 10.1016/j.saa.2020.119003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 09/16/2020] [Accepted: 09/20/2020] [Indexed: 06/11/2023]
Abstract
Oxidative damage is one of the main causes of cryopreservation injury compromising the use of cryopreserved biospecimens. The aim of this study was to evaluate the use of Fourier transform infrared spectroscopy (FTIR) as a non-invasive method to assess changes in biomolecular composition and structure, associated with oxidative stress in isolated biomolecules, acellular heart valve tissues, and ovarian cortex tissues. FTIR spectra of these specimens subjected to various treatments (H2O2- and Fenton-treatment or elevated temperatures) were vector normalized and selected spectral regions were analyzed by principal component analysis (PCA). Control and damaged biomolecules can easily be separated using PCA score plots. Acellular heart valve tissues that were subjected to different levels of oxidative damage formed separate cluster in PCA score plots. In hydrated ovarian tissue, large variation of the principal components was observed. Drying the ovarian tissues samples resulted in improved cluster separation of treatment groups. However, early signs of oxidative damage under mild stress conditions could not be detected by PCA of FTIR spectra. For the ovarian tissue samples, the standardly used nitro blue tetrazolium chloride (NBT) assay was used to monitor the amount of formazan production, reflecting reactive oxygen species (ROS) production at various temperatures. At 37 °C, formazan staining rapidly increased during the first 30 min, and then slowly reached a saturation level, but also at lower temperatures (i.e. 4 °C) formazan production was observed. In summary, we conclude that ATR-FTIR combined with PCA can be used to study oxidative damage in biomolecules as well as in tissues. In tissues, however, sample heterogeneity makes it difficult to detect early signs of oxidative damage.
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Affiliation(s)
- Sükrü Caliskan
- Unit for Reproductive Medicine, Clinic for Horses, Development, University of Veterinary Medicine Hannover, Hannover, Germany; Biostabilization laboratory, Lower Saxony Centre for Biomedical Engineering, Implant Research and Development, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Harriëtte Oldenhof
- Unit for Reproductive Medicine, Clinic for Horses, Development, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Raffaele Brogna
- Unit for Reproductive Medicine, Clinic for Horses, Development, University of Veterinary Medicine Hannover, Hannover, Germany; Biostabilization laboratory, Lower Saxony Centre for Biomedical Engineering, Implant Research and Development, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Bita Rashidfarokhi
- Biostabilization laboratory, Lower Saxony Centre for Biomedical Engineering, Implant Research and Development, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Harald Sieme
- Unit for Reproductive Medicine, Clinic for Horses, Development, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Willem F Wolkers
- Unit for Reproductive Medicine, Clinic for Horses, Development, University of Veterinary Medicine Hannover, Hannover, Germany; Biostabilization laboratory, Lower Saxony Centre for Biomedical Engineering, Implant Research and Development, University of Veterinary Medicine Hannover, Hannover, Germany.
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14
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Wang Y, Wang Y, Qian J, Pan X, Li X, Chen F, Hu J, Lü J. Single-cell infrared phenomics: phenotypic screening with infrared microspectroscopy. Chem Commun (Camb) 2020; 56:13237-13240. [PMID: 33030170 DOI: 10.1039/d0cc05721e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
We conceptually demonstrate single-cell infrared phenomics as a novel strategy of phenotypic screening with infrared microspectroscopy. Based on this development, the cancer cell HepG2 glycocalyx was first identified as a potential target of protopanaxadiol, an herbal medicine. These findings provide a powerful tool to accurately evaluate the cell stress response and to largely expand the phenotypic screening toolkit for drug discovery.
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Affiliation(s)
- Yadi Wang
- College of Pharmacy, Binzhou Medical University, Yantai 264003, China
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15
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Zhao Z, Chen C, Xiong H, Ji J, Min W. Metabolic Activity Phenotyping of Single Cells with Multiplexed Vibrational Probes. Anal Chem 2020; 92:9603-9612. [PMID: 32530266 DOI: 10.1021/acs.analchem.0c00790] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Quantitative measurements of metabolic activities of individual cells are essential to understanding questions in diverse fields in biology. To address this challenge, we present a method, termed metabolic activity phenotyping (MAP), to probe metabolic fluxes by utilizing multiplexed vibrational metabolic probes. With specifically designed single-whole-cell confocal micro-Raman spectroscopy, quantitative measurement of lipid and protein synthesis activity was achieved with high throughput (several orders of magnitude improvement over a commercial confocal system). In addition, metabolic heterogeneity upon various drug treatments was also revealed and evaluated at the single-cell level. We further demonstrated that MAP was more robust than the label-free Raman methods and was able to make the correct classification among diverse cancer types and breast cancer subtypes by exploring the dimension of metabolism. The capability of MAP to explore metabolic profiles at the single-cell level makes it a valuable tool for basic single-cell studies as well as other screening applications.
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Affiliation(s)
- Zhilun Zhao
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Chen Chen
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Hanqing Xiong
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Jingwei Ji
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Wei Min
- Department of Chemistry, Columbia University, New York, New York 10027, United States
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16
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Balan V, Mihai CT, Cojocaru FD, Uritu CM, Dodi G, Botezat D, Gardikiotis I. Vibrational Spectroscopy Fingerprinting in Medicine: from Molecular to Clinical Practice. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E2884. [PMID: 31489927 PMCID: PMC6766044 DOI: 10.3390/ma12182884] [Citation(s) in RCA: 160] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 09/01/2019] [Accepted: 09/03/2019] [Indexed: 12/12/2022]
Abstract
In the last two decades, Fourier Transform Infrared (FTIR) and Raman spectroscopies turn out to be valuable tools, capable of providing fingerprint-type information on the composition and structural conformation of specific molecular species. Vibrational spectroscopy's multiple features, namely highly sensitive to changes at the molecular level, noninvasive, nondestructive, reagent-free, and waste-free analysis, illustrate the potential in biomedical field. In light of this, the current work features recent data and major trends in spectroscopic analyses going from in vivo measurements up to ex vivo extracted and processed materials. The ability to offer insights into the structural variations underpinning pathogenesis of diseases could provide a platform for disease diagnosis and therapy effectiveness evaluation as a future standard clinical tool.
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Affiliation(s)
- Vera Balan
- Faculty of Medical Bioengineering, Grigore T. Popa University of Medicine and Pharmacy of Iași, Iași 700115, Romania.
| | - Cosmin-Teodor Mihai
- Advanced Centre for Research-Development in Experimental Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iași, Iași 700115, Romania.
| | - Florina-Daniela Cojocaru
- Advanced Centre for Research-Development in Experimental Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iași, Iași 700115, Romania.
| | - Cristina-Mariana Uritu
- Advanced Centre for Research-Development in Experimental Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iași, Iași 700115, Romania.
| | - Gianina Dodi
- Advanced Centre for Research-Development in Experimental Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iași, Iași 700115, Romania.
| | - Doru Botezat
- Advanced Centre for Research-Development in Experimental Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iași, Iași 700115, Romania.
| | - Ioannis Gardikiotis
- Advanced Centre for Research-Development in Experimental Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iași, Iași 700115, Romania
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17
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Doherty J, Raoof A, Hussain A, Wolna M, Cinque G, Brown M, Gardner P, Denbigh J. Live single cell analysis using synchrotron FTIR microspectroscopy: development of a simple dynamic flow system for prolonged sample viability. Analyst 2019; 144:997-1007. [PMID: 30403210 DOI: 10.1039/c8an01566j] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Synchrotron radiation Fourier transform infrared microspectroscopy (SR-microFTIR) of live biological cells has the potential to provide far greater biochemical and morphological detail than equivalent studies using dehydrated, chemically-fixed single cells. Attempts to measure live cells using microFTIR are complicated by the aqueous environment required and corresponding strong infrared absorbance by water. There is also the additional problem of the limited lifetime of the cells outside of their preferred culture environment. In this work, we outline simple, cost-effective modifications to a commercially available liquid sample holder to perform single live cell analysis under an IR microscope and demonstrate cell viability up to at least 24 hours. A study using this system in which live cells have been measured at increasing temperature has shown spectral changes in protein bands attributed to α-β transition, consistent with other published work, and proves the ability to simultaneously induce and measure biochemical changes. An additional study of deuterated palmitic acid (D31-PA) uptake at different timepoints has made use of over 200 individual IR spectra collected over ∼4 hours, taking advantage of the ability to maintain viable cell samples for longer periods of time in the measurement environment, and therefore acquire greatly increased numbers of spectra without compromising on spectral quality. Further developments of this system are planned to widen the range of possible experiments, and incorporate more complex studies, including drug-cell interaction.
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Affiliation(s)
- James Doherty
- Manchester Institute of Biotechnology, University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK.
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18
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Altharawi A, Rahman KM, Chan KLA. Towards identifying the mode of action of drugs using live-cell FTIR spectroscopy. Analyst 2019; 144:2725-2735. [DOI: 10.1039/c8an02218f] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Fourier transform infrared spectroscopy (FTIR) has been shown to be a promising tool for identifying the mode of action of drugs.
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Affiliation(s)
- Ali Altharawi
- School of Cancer and Pharmaceutical Science
- King's College London
- UK
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19
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Chaber R, Łach K, Arthur CJ, Raciborska A, Michalak E, Ciebiera K, Bilska K, Drabko K, Cebulski J. Prediction of Ewing Sarcoma treatment outcome using attenuated tissue reflection FTIR tissue spectroscopy. Sci Rep 2018; 8:12299. [PMID: 30120284 PMCID: PMC6098133 DOI: 10.1038/s41598-018-29795-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 07/18/2018] [Indexed: 01/10/2023] Open
Abstract
Ewing sarcoma is the second most common type of primary bone cancer and predominantly affects children and young people. Improved outcome prediction is key to delivering risk-adjusted, appropriate and effective care to cancer patients. Advances in the Fourier Transform Infrared (FTIR) spectroscopy of tissues enable it to be a non-invasive method to obtain information about the biochemical content of any biological sample. In this retrospective study, attenuated tissue reflection FTIR spectroscopy of biopsy samples from paediatric patients reveals spectral features that are diagnostic for Ewing Sarcoma. Furthermore, our results suggest that spectral features such as these may be of value for the prediction of treatment outcome independent to well-known, routinely used risk factors.
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Affiliation(s)
- Radosław Chaber
- Clinic of Paediatric Oncology and Haematology, Faculty of Medicine, University of Rzeszow, Rzeszow, Poland.
| | - Kornelia Łach
- Clinic of Paediatric Oncology and Haematology, Faculty of Medicine, University of Rzeszow, Rzeszow, Poland
| | | | - Anna Raciborska
- Department of Oncology and Surgical Oncology for Children and Youth, Institute of Mother and Child, Warsaw, Poland
| | - Elżbieta Michalak
- Department of Pathology, Institute of Mother and Child, Warsaw, Poland
| | | | - Katarzyna Bilska
- Department of Oncology and Surgical Oncology for Children and Youth, Institute of Mother and Child, Warsaw, Poland
| | - Katarzyna Drabko
- Department of Pediatric Hematology, Oncology and Bone Marrow Transplant, Medical University of Lublin, Lublin, Poland
| | - Józef Cebulski
- Center for Innovation and Transfer of Natural Sciences and Engineering Knowledge, University of Rzeszow, Rzeszow, Poland
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20
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Doherty J, Zhang Z, Wehbe K, Cinque G, Gardner P, Denbigh J. Increased optical pathlength through aqueous media for the infrared microanalysis of live cells. Anal Bioanal Chem 2018; 410:5779-5789. [PMID: 29968104 PMCID: PMC6096700 DOI: 10.1007/s00216-018-1188-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 05/25/2018] [Accepted: 06/06/2018] [Indexed: 12/13/2022]
Abstract
The study of live cells using Fourier transform infrared spectroscopy (FTIR) and FTIR microspectroscopy (FT-IRMS) intrinsically yields more information about cell metabolism than comparable experiments using dried or chemically fixed samples. There are, however, a number of barriers to obtaining high-quality vibrational spectra of live cells, including correction for the significant contributions of water bands to the spectra, and the physical stresses placed upon cells by compression in short pathlength sample holders. In this study, we present a water correction method that is able to result in good-quality cell spectra from water layers of 10 and 12 μm and demonstrate that sufficient biological detail is retained to separate spectra of live cells based upon their exposure to different novel anti-cancer agents. The IR brilliance of a synchrotron radiation (SR) source overcomes the problem of the strong water absorption and provides cell spectra with good signal-to-noise ratio for further analysis. Supervised multivariate analysis (MVA) and investigation of average spectra have shown significant separation between control cells and cells treated with the DNA cross-linker PL63 on the basis of phosphate and DNA-related signatures. Meanwhile, the same control cells can be significantly distinguished from cells treated with the protein kinase inhibitor YA1 based on changes in the amide II region. Each of these separations can be linked directly to the known biochemical mode of action of each agent. Graphical abstract ![]()
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Affiliation(s)
- James Doherty
- Manchester Institute of Biotechnology, University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK.,School of Chemical Engineering and Analytical Science, University of Manchester, Oxford Road, Manchester, M13 9PL, UK.,Diamond Light Source, Diamond House, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0DE, UK
| | - Zhe Zhang
- Manchester Institute of Biotechnology, University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK.,School of Chemical Engineering and Analytical Science, University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Katia Wehbe
- Diamond Light Source, Diamond House, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0DE, UK
| | - Gianfelice Cinque
- Diamond Light Source, Diamond House, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0DE, UK
| | - Peter Gardner
- Manchester Institute of Biotechnology, University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK. .,School of Chemical Engineering and Analytical Science, University of Manchester, Oxford Road, Manchester, M13 9PL, UK.
| | - Joanna Denbigh
- Biomedical Research Centre, School of Environment and Life Sciences, University of Salford, Salford, M5 4WT, UK.
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21
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Wehbe K, Vezzalini M, Cinque G. Detection of mycoplasma in contaminated mammalian cell culture using FTIR microspectroscopy. Anal Bioanal Chem 2018; 410:3003-3016. [PMID: 29549508 PMCID: PMC5889780 DOI: 10.1007/s00216-018-0987-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Revised: 02/15/2018] [Accepted: 02/26/2018] [Indexed: 01/06/2023]
Abstract
Mycoplasma contamination represents a significant problem to the culture of mammalian cells used for research as it can cause disastrous effects on eukaryotic cells by altering cellular parameters leading to unreliable experimental results. Mycoplasma cells are very small bacteria therefore they cannot be detected by visual inspection using a visible light microscope and, thus, can remain unnoticed in the cell cultures for long periods. The detection techniques used nowadays to reveal mycoplasma contamination are time consuming and expensive with each having significant drawbacks. The ideal detection should be simple to perform with minimal preparation time, rapid, inexpensive, and sensitive. To our knowledge, for the first time, we employed Fourier transform infrared (FTIR) microspectroscopy to investigate whether we can differentiate between control cells and the same cells which have been infected with mycoplasmas during the culturing process. Chemometric methods such as HCA and PCA were used for the data analysis in order to detect spectral differences between control and intentionally infected cells, and spectral markers were revealed even at low contamination level. The preliminary results showed that FTIR has the potential to be used in the future as a reliable complementary detection technique for mycoplasma-infected cells. Graphical abstract FTIR microspectroscopy is able to differentiate between mycoplasma infected cells (LC for low contamination and HC for high contamination) and control non-infected cells (CN).
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Affiliation(s)
- Katia Wehbe
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0DE, UK.
| | - Marzia Vezzalini
- Department of Medicine, General Pathology Section, University of Verona, Strada Le Grazie, 8, 37134, Verona, Italy
| | - Gianfelice Cinque
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0DE, UK
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22
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Kuhar N, Sil S, Verma T, Umapathy S. Challenges in application of Raman spectroscopy to biology and materials. RSC Adv 2018; 8:25888-25908. [PMID: 35541973 PMCID: PMC9083091 DOI: 10.1039/c8ra04491k] [Citation(s) in RCA: 130] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 07/09/2018] [Indexed: 12/14/2022] Open
Abstract
Raman spectroscopy has become an essential tool for chemists, physicists, biologists and materials scientists. In this article, we present the challenges in unravelling the molecule-specific Raman spectral signatures of different biomolecules like proteins, nucleic acids, lipids and carbohydrates based on the review of our work and the current trends in these areas. We also show how Raman spectroscopy can be used to probe the secondary and tertiary structural changes occurring during thermal denaturation of protein and lysozyme as well as more complex biological systems like bacteria. Complex biological systems like tissues, cells, blood serum etc. are also made up of such biomolecules. Using mice liver and blood serum, it is shown that different tissues yield their unique signature Raman spectra, owing to a difference in the relative composition of the biomolecules. Additionally, recent progress in Raman spectroscopy for diagnosing a multitude of diseases ranging from cancer to infection is also presented. The second part of this article focuses on applications of Raman spectroscopy to materials. As a first example, Raman spectroscopy of a melt cast explosives formulation was carried out to monitor the changes in the peaks which indicates the potential of this technique for remote process monitoring. The second example presents various modern methods of Raman spectroscopy such as spatially offset Raman spectroscopy (SORS), reflection, transmission and universal multiple angle Raman spectroscopy (UMARS) to study layered materials. Studies on chemicals/layered materials hidden in non-metallic containers using the above variants are presented. Using suitable examples, it is shown how a specific excitation or collection geometry can yield different information about the location of materials. Additionally, it is shown that UMARS imaging can also be used as an effective tool to obtain layer specific information of materials located at depths beyond a few centimeters. This paper reviews various facets of Raman spectroscopy. This encompasses biomolecule fingerprinting and conformational analysis, discrimination of healthy vs. diseased states, depth-specific information of materials and 3D Raman imaging.![]()
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Affiliation(s)
- Nikki Kuhar
- Department of Inorganic & Physical Chemistry
- Indian Institute of Science
- Bangalore
- India-560012
| | - Sanchita Sil
- Defence Bioengineering & Electromedical Laboratory
- DRDO
- Bangalore
- India-560093
| | - Taru Verma
- Centre for Biosystems Science and Engineering
- Indian Institute of Science
- Bangalore
- India-560012
| | - Siva Umapathy
- Department of Inorganic & Physical Chemistry
- Indian Institute of Science
- Bangalore
- India-560012
- Department of Instrumentation & Applied Physics
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