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Dunnington EL, Wong BS, Fu D. Innovative Approaches for Drug Discovery: Quantifying Drug Distribution and Response with Raman Imaging. Anal Chem 2024; 96:7926-7944. [PMID: 38625100 PMCID: PMC11108735 DOI: 10.1021/acs.analchem.4c01413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Affiliation(s)
| | | | - Dan Fu
- Department of Chemistry, University of Washington, Seattle, WA, 98195, USA
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2
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Schuler I, Schuler M, Frick T, Jimenez D, Maghnouj A, Hahn S, Zewail R, Gerwert K, El-Mashtoly SF. Efficacy of tyrosine kinase inhibitors examined by a combination of Raman micro-spectroscopy and a deep wavelet scattering-based multivariate analysis framework. Analyst 2024; 149:2004-2015. [PMID: 38426854 DOI: 10.1039/d3an02235h] [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: 03/02/2024]
Abstract
HER2 is a crucial therapeutic target in breast cancer, and the survival rate of breast cancer patients has increased because of this receptor's inhibition. However, tumors have shown resistance to this therapeutic strategy due to oncogenic mutations that decrease the binding of several HER2-targeted drugs, including lapatinib, and confer resistance to this drug. Neratinib can overcome this drug resistance and effectively inhibit HER2 signaling and tumor growth. In the present study, we examined the efficacy of lapatinib and neratinib using breast cancer cells by Raman microscopy combined with a deep wavelet scattering-based multivariate analysis framework. This approach discriminated between control cells and drug-treated cells with high accuracy, compared to classical principal component analysis. Both lapatinib and neratinib induced changes in the cellular biochemical composition. Furthermore, the Raman results were compared with the results of several in vitro assays. For instance, drug-treated cells exhibited (i) inhibition of ERK and AKT phosphorylation, (ii) inhibition of cellular proliferation, (iii) cell-cycle arrest, and (iv) apoptosis as indicated by western blotting, real-time cell analysis (RTCA), cell-cycle analysis, and apoptosis assays. Thus, the observed Raman spectral changes are attributed to cell-cycle arrest and apoptosis. The results also indicated that neratinib is more potent than lapatinib. Moreover, the uptake and distribution of lapatinib in cells were visualized through its label-free marker bands in the fingerprint region using Raman spectral imaging. These results show the prospects of Raman microscopy in drug evaluation and presumably in drug discovery.
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Affiliation(s)
- Irina Schuler
- Center for Protein Diagnostics, Ruhr-University Bochum, Bochum, Germany.
- Department of Biophysics, Ruhr-University Bochum, Bochum, Germany
| | - Martin Schuler
- Center for Protein Diagnostics, Ruhr-University Bochum, Bochum, Germany.
- Department of Biophysics, Ruhr-University Bochum, Bochum, Germany
| | - Tatjana Frick
- Center for Protein Diagnostics, Ruhr-University Bochum, Bochum, Germany.
- Department of Biophysics, Ruhr-University Bochum, Bochum, Germany
| | - Dairovys Jimenez
- Center for Protein Diagnostics, Ruhr-University Bochum, Bochum, Germany.
- Department of Biophysics, Ruhr-University Bochum, Bochum, Germany
| | - Abdelouahid Maghnouj
- Department of Molecular GI-Oncology, Clinical Research Center, Ruhr-University Bochum, Bochum, Germany
| | - Stephan Hahn
- Department of Molecular GI-Oncology, Clinical Research Center, Ruhr-University Bochum, Bochum, Germany
| | - Rami Zewail
- Department of Computer Science & Engineering, Egypt-Japan University of Science and Technology, New Borg El-Arab, Egypt
| | - Klaus Gerwert
- Center for Protein Diagnostics, Ruhr-University Bochum, Bochum, Germany.
- Department of Biophysics, Ruhr-University Bochum, Bochum, Germany
| | - Samir F El-Mashtoly
- Center for Protein Diagnostics, Ruhr-University Bochum, Bochum, Germany.
- Department of Biophysics, Ruhr-University Bochum, Bochum, Germany
- Biotechnology Program, Institute of Basic and Applied Science, Egypt-Japan University of Science and Technology, New Borg El-Arab, Egypt
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3
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Wong BS, Dunnington EL, Wu R, Kim JI, Hu K, Ro TH, Fu D. Facilitated Transport of EGFR Inhibitors Plays an Important Role in Their Cellular Uptake. Anal Chem 2024; 96:1547-1555. [PMID: 38214696 PMCID: PMC11012238 DOI: 10.1021/acs.analchem.3c04242] [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] [Indexed: 01/13/2024]
Abstract
Epidermal growth factor receptor (EGFR) is a transmembrane protein commonly targeted by tyrosine kinase inhibitors (TKIs) as a front-line therapy for patients with many cancers including nonsmall cell lung cancer (NSCLC). Effective treatment requires efficient intracellular drug uptake and target binding. However, despite the recent success in the development of new TKI drugs, the mechanisms of uptake for many TKIs are still poorly understood due to the difficulty in imaging and measuring nonfluorescent drug molecules at a subcellular resolution. It has previously been shown that weakly basic TKI drugs are sequestered in lysosomes. Leveraging this property, we apply hyperspectral stimulated Raman scattering imaging to directly visualize and quantify two Food and Drug Administration-approved EGFR inhibitor drugs (lapatinib and afatinib) inside living cells and the changes in their cellular uptake upon the addition of organic cation transporter inhibitors. These single-cell quantitative measurements provide new insight into the role of membrane transporters in the uptake of TKI drugs in living cells.
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Affiliation(s)
- Brian S Wong
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Erin L Dunnington
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Ruibing Wu
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Jonathan I Kim
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Kailun Hu
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Thomas H Ro
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Dan Fu
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
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4
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Cutshaw G, Hassan N, Uthaman S, Wen X, Singh B, Sarkar A, Bardhan R. Monitoring Metabolic Changes in Response to Chemotherapies in Cancer with Raman Spectroscopy and Metabolomics. Anal Chem 2023; 95:13172-13184. [PMID: 37605298 PMCID: PMC10845238 DOI: 10.1021/acs.analchem.3c02073] [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] [Indexed: 08/23/2023]
Abstract
Resistance to clinical therapies remains a major barrier in cancer management. There is a critical need for rapid and highly sensitive diagnostic tools that enable early prediction of treatment response to allow accurate clinical decisions. Here, Raman spectroscopy was employed to monitor changes in key metabolites as early predictors of response in KRAS-mutant colorectal cancer (CRC) cells, HCT116, treated with chemotherapies. We show at the single cell level that HCT116 is resistant to cetuximab (CTX), the first-line treatment in CRC, but this resistance can be overcome with pre-sensitization of cells with oxaliplatin (OX). In combination treatment of CTX + OX, sequential delivery of OX followed by CTX rather than simultaneous administration of drugs was observed to be critical for effective therapy. Our results demonstrated that metabolic changes are well aligned to cellular mechanical changes where Young's modulus decreased after effective treatment, indicating that both changes in mechanical properties and metabolism in cells are likely responsible for cancer proliferation. Raman findings were verified with mass spectrometry (MS) metabolomics, and both platforms showed changes in lipids, nucleic acids, and amino acids as predictors of resistance/response. Finally, key metabolic pathways enriched were identified when cells are resistant to CTX but downregulated with effective treatment. This study highlights that drug-induced metabolic changes both at the single cell level (Raman) and ensemble level (MS) have the potential to identify mechanisms of response to clinical cancer therapies.
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Affiliation(s)
- Gabriel Cutshaw
- Department of Chemical and Biological Engineering, Iowa State University, Ames, IA 50011, USA
- Nanovaccine Institute, Iowa State University, Ames, IA 50012, USA
| | - Nora Hassan
- Department of Chemical and Biological Engineering, Iowa State University, Ames, IA 50011, USA
- Nanovaccine Institute, Iowa State University, Ames, IA 50012, USA
| | - Saji Uthaman
- Department of Chemical and Biological Engineering, Iowa State University, Ames, IA 50011, USA
- Nanovaccine Institute, Iowa State University, Ames, IA 50012, USA
| | - Xiaona Wen
- Nanovaccine Institute, Iowa State University, Ames, IA 50012, USA
| | - Bhuminder Singh
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Anwesha Sarkar
- Department of Electrical Engineering, Iowa State University, Ames, IA 50012, USA
| | - Rizia Bardhan
- Department of Chemical and Biological Engineering, Iowa State University, Ames, IA 50011, USA
- Nanovaccine Institute, Iowa State University, Ames, IA 50012, USA
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5
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Kim S, Choi BH, Shin H, Kwon K, Lee SY, Yoon HB, Kim HK, Choi Y. Plasma Exosome Analysis for Protein Mutation Identification Using a Combination of Raman Spectroscopy and Deep Learning. ACS Sens 2023; 8:2391-2400. [PMID: 37279515 DOI: 10.1021/acssensors.3c00681] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Protein mutation detection using liquid biopsy can be simply performed periodically, making it easy to detect the occurrence of newly emerging mutations rapidly. However, it has low diagnostic accuracy since there are more normal proteins than mutated proteins in body fluids. To increase the diagnostic accuracy, we analyzed plasma exosomes using nanoplasmonic spectra and deep learning. Exosomes, a promising biomarker, are abundant in plasma and stably carry intact proteins originating from mother cells. However, the mutated exosomal proteins cannot be detected sensitively because of the subtle changes in their structure. Therefore, we obtained Raman spectra that provide molecular information about structural changes in mutated proteins. To extract the unique features of the protein from complex Raman spectra, we developed a deep-learning classification algorithm with two deep-learning models. Consequently, controls with wild-type proteins and patients with mutated proteins were classified with high accuracy. As a proof of concept, we discriminated the lung cancer patients with mutations in the epidermal growth factor receptor (EGFR), L858R, E19del, L858R + T790M, and E19del + T790M, from controls with an accuracy of 0.93. Moreover, the protein mutation status of the patients with primary (E19del, L858R) and secondary (+T790M) mutations was clearly monitored. Overall, our technique is expected to be applied as a novel method for companion diagnostic and treatment monitoring.
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Affiliation(s)
- Seungmin Kim
- Department of Biomedical Engineering, Korea University, Seoul 02841, Republic of Korea
- Interdisciplinary Program in Precision Public Health, Korea University, Seoul 02841, Republic of Korea
| | - Byeong Hyeon Choi
- Korea Artificial Organ Center, Korea University, Seoul 02841, Republic of Korea
- Department of Thoracic and Cardiovascular Surgery, College of Medicine, Korea University Guro Hospital, Korea University, Seoul 08308, Republic of Korea
| | - Hyunku Shin
- Exopert Corporation, Seoul 02580, Republic of Korea
| | - Kihun Kwon
- Exopert Corporation, Seoul 02580, Republic of Korea
| | - Sung Yong Lee
- Division of Respiratory and Critical Care, Department of Internal Medicine, Guro Hospital, Korea University, Seoul 08308, Republic of Korea
| | - Hyun Bin Yoon
- Department of Chemical Engineering, Kyonggi University, Suwon 16227, Republic of Korea
| | - Hyun Koo Kim
- Korea Artificial Organ Center, Korea University, Seoul 02841, Republic of Korea
- Department of Thoracic and Cardiovascular Surgery, College of Medicine, Korea University Guro Hospital, Korea University, Seoul 08308, Republic of Korea
| | - Yeonho Choi
- Department of Biomedical Engineering, Korea University, Seoul 02841, Republic of Korea
- Interdisciplinary Program in Precision Public Health, Korea University, Seoul 02841, Republic of Korea
- Exopert Corporation, Seoul 02580, Republic of Korea
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6
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Chen Y, Jiang P, Lei S, Chen X, Yao S, Jiang D, Lin D, Jia X, Hu J. Optical tweezers and Raman spectroscopy for single-cell classification of drug resistance in acute lymphoblastic leukemia. JOURNAL OF BIOPHOTONICS 2022; 15:e202200117. [PMID: 35642096 DOI: 10.1002/jbio.202200117] [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: 04/18/2022] [Revised: 05/22/2022] [Accepted: 05/27/2022] [Indexed: 06/15/2023]
Abstract
Laser Tweezers Raman Spectroscopy (LTRS) is a combination of laser tweezers and Raman spectroscopy. It is a physical tool based on the mechanical effects of the laser, which can be used to study single living cells in suspension in a fast and non-destructive way. Our work aims to establish a methodology system based on LTRS to rapidly and non-destructively detect the resistance of acute lymphoblastic leukemia (ALL) cells and to provide a new idea for the evaluation of the resistance of ALL cells. Two specific adriamycin-resistant and parental ALL cells BALL-1 and Nalm6 were included in this study. Adriamycin resistant cells can induce the spectral differences, which can be detected by LTRS initially. To ensure the accuracy of the results, we use the principal components analysis (PCA) as well as the classification and regression trees (CRT) algorithms, which show that the specificity and sensitivity of LTRS are above 90%. In addition, to further clarify the chemoresistance status of ALL cells, we used the CRT models and receiver operating characteristic (ROC) curves which are based on the band data to look for some important bands and band intensity ratios that have strong pointing significance. Our work proves that LTRS analysis combined with multivariate statistical analyses have great potential to be a novel analytical strategy at the single-cell level for rapidly evaluating the chemoresistance status of ALL cells.
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Affiliation(s)
- Yang Chen
- Department of Laboratory Medicine, the School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, China
- Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fujian Medical University Union Hospital, Fuzhou, China
| | - Peifang Jiang
- Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fujian Medical University Union Hospital, Fuzhou, China
| | - Shuyi Lei
- Department of Medical Imaging Technology, Fujian Medical University, Fuzhou, China
| | - Xiaoli Chen
- Department of Medical Imaging Technology, Fujian Medical University, Fuzhou, China
| | - Shuting Yao
- Department of Medical Imaging Technology, Fujian Medical University, Fuzhou, China
| | - Dongmei Jiang
- Department of Medical Imaging Technology, Fujian Medical University, Fuzhou, China
| | - Donghong Lin
- Department of Laboratory Medicine, the School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, China
| | - Xianggang Jia
- Key Laboratory of Optoelectronic Science and Technology for Medicine, Ministry of Education, Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou, China
| | - Jianda Hu
- Department of Laboratory Medicine, the School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, China
- Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fujian Medical University Union Hospital, Fuzhou, China
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7
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Clementino-Neto J, da Silva JKS, de Melo Bastos Cavalcante C, da Silva-Júnior PF, David CC, de Araújo MV, Mendes CB, de Queiroz AC, da Silva ECO, de Souza ST, da Silva Fonseca EJ, da Silva TMS, de Amorim Camara C, Moura-Neto V, de Araújo-Júnior JX, da Silva-Júnior EF, da-Silva AX, Alexandre-Moreira MS. In vitro antitumor activity of dialkylamine-1,4-naphthoquinones toward human glioblastoma multiforme cells. NEW J CHEM 2022. [DOI: 10.1039/d1nj05915g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study, we evaluated the in vitro antitumor activity of dialkylamino-1,4-naphthoquinones (1a–n) toward human glioblastoma multiforme cells (GBM02).
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Affiliation(s)
- José Clementino-Neto
- Laboratory of Pharmacology and Immunity, Institute of Biological Sciences and Health, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió 57072-970, AL, Brazil
- Laboratory of Electrophysiology and Brain Metabolism, Institute of Biological Sciences and Health, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió 57072-970, AL, Brazil
| | - João Kaycke Sarmento da Silva
- Laboratory of Pharmacology and Immunity, Institute of Biological Sciences and Health, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió 57072-970, AL, Brazil
| | - Cibelle de Melo Bastos Cavalcante
- Laboratory of Pharmacology and Immunity, Institute of Biological Sciences and Health, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió 57072-970, AL, Brazil
- Laboratory of Electrophysiology and Brain Metabolism, Institute of Biological Sciences and Health, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió 57072-970, AL, Brazil
| | - Paulo Fernando da Silva-Júnior
- Chemistry and Biotechnology Institute, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió 57072-970, AL, Brazil
| | - Cibelle Cabral David
- Laboratory of Bioactive Compounds Synthesis, Molecular Sciences Department, Federal Rural University of Pernambuco, Campus Dois Irmãos, Dom Manuel de Medeiros Street, Recife 57171-900, PE, Brazil
| | - Morgana Vital de Araújo
- Laboratory of Pharmacology and Immunity, Institute of Biological Sciences and Health, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió 57072-970, AL, Brazil
| | - Carmelita Bastos Mendes
- Laboratory of Electrophysiology and Brain Metabolism, Institute of Biological Sciences and Health, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió 57072-970, AL, Brazil
| | - Aline Cavalcanti de Queiroz
- Laboratory of Pharmacology and Immunity, Institute of Biological Sciences and Health, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió 57072-970, AL, Brazil
- Laboratory of Microbiology, Immunology and Parasitology, Complex Of Medical Sciences And Nursing, Federal University of Alagoas, Campus Arapiraca, Manoel Severino Barbosa Avenue, Arapiraca 57309-005, AL, Brazil
| | - Elaine Cristina Oliveira da Silva
- Laboratory of Characterization and Microscopy of Materials, Institute of Physics, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió, 57072, AL, Brazil
| | - Samuel Teixeira de Souza
- Laboratory of Characterization and Microscopy of Materials, Institute of Physics, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió, 57072, AL, Brazil
| | - Eduardo Jorge da Silva Fonseca
- Laboratory of Characterization and Microscopy of Materials, Institute of Physics, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió, 57072, AL, Brazil
| | - Tânia Maria Sarmento da Silva
- Laboratory of Bioactive Compounds Synthesis, Molecular Sciences Department, Federal Rural University of Pernambuco, Campus Dois Irmãos, Dom Manuel de Medeiros Street, Recife 57171-900, PE, Brazil
| | - Celso de Amorim Camara
- Laboratory of Bioactive Compounds Synthesis, Molecular Sciences Department, Federal Rural University of Pernambuco, Campus Dois Irmãos, Dom Manuel de Medeiros Street, Recife 57171-900, PE, Brazil
| | - Vivaldo Moura-Neto
- State Institute of Brain Paulo Niemeyer, Rezende Street, Rio de Janeiro 20231-092, RJ, Brazil
| | - João Xavier de Araújo-Júnior
- Chemistry and Biotechnology Institute, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió 57072-970, AL, Brazil
- Laboratory of Medicinal Chemistry, Pharmaceutical Sciences Institute, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió 57072-970, AL, Brazil
| | - Edeildo Ferreira da Silva-Júnior
- Chemistry and Biotechnology Institute, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió 57072-970, AL, Brazil
| | - Adriana Ximenes da-Silva
- Laboratory of Electrophysiology and Brain Metabolism, Institute of Biological Sciences and Health, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió 57072-970, AL, Brazil
| | - Magna Suzana Alexandre-Moreira
- Laboratory of Pharmacology and Immunity, Institute of Biological Sciences and Health, Federal University of Alagoas, Campus A.C. Simões, Lourival Melo Mota Avenue, Maceió 57072-970, AL, Brazil
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Mishra SK, Hole A, Reddy BPK, Srivastava R, Chilakapati MK, De A. Raman micro-spectroscopic map estimating in vivo precision of tumor ablative effect achieved by photothermal therapy procedure. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2021; 37:102437. [PMID: 34273597 DOI: 10.1016/j.nano.2021.102437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 05/04/2021] [Accepted: 06/16/2021] [Indexed: 11/16/2022]
Abstract
Photothermal-therapy (PTT) inculcates near-infrared laser guided local heating effect, where high degree of precision is expected, but not well proven to-date. An ex vivo tissue biochemical map with molecular/biochemical response showing the coverage area out of an optimized PTT procedure can reveal precision information. In this work, Raman-microscopic mapping and linear discriminant analysis of spectra of PTT treated and surrounding tissue areas ex vivo are done, revealing three distinct spectral clusters/zones, with minimal overlap between the core treated and adjacent untreated zone. The core treated zone showed intense nucleic-acid, cytochrome/mitochondria and protein damage, an adjacent zone showed lesser degree of damages and far zone showed minimal/no damage. Immunohistochemistry for γH2AX (DNA damage marker protein) in PTT exposed tissue also revealed similar results. Altogether, this study reveals the utility of Raman-microspectroscopy for fine-tuning safety parameters and precision that can be achieved from PTT mediated tumor ablation in preclinical/clinical application.
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Affiliation(s)
- Sumit K Mishra
- Molecular Functional Imaging Lab, Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Tata Memorial Centre, Kharghar, Navi Mumbai, India; Department of Life Sciences, Homi Bhaba National Institute, Mumbai, India.
| | - Arti Hole
- Chilakapati Laboratory, Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Tata Memorial Centre, Kharghar, Navi Mumbai, India.
| | - B Pradeep K Reddy
- NanoBios Lab, Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, India.
| | - Rohit Srivastava
- NanoBios Lab, Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai, Mumbai, India.
| | - Murali Krishna Chilakapati
- Chilakapati Laboratory, Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Tata Memorial Centre, Kharghar, Navi Mumbai, India; Department of Life Sciences, Homi Bhaba National Institute, Mumbai, India.
| | - Abhijit De
- Molecular Functional Imaging Lab, Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Tata Memorial Centre, Kharghar, Navi Mumbai, India; Department of Life Sciences, Homi Bhaba National Institute, Mumbai, India.
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Wang T, Zhang J, Cui L. Apatinib inhibits gastric carcinoma development by regulating the expression levels of IL-17 via the Bax/Bcl-2 signaling pathway. Exp Ther Med 2021; 21:654. [PMID: 33968184 PMCID: PMC8097188 DOI: 10.3892/etm.2021.10086] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Accepted: 09/16/2020] [Indexed: 12/13/2022] Open
Abstract
Gastric carcinoma is a common type of gastrointestinal tumor with high morbidity and mortality rates. IL-17 is a newly discovered cytokine that has been reported to serve an important role in the development of gastric carcinoma. The potential effect of apatinib on IL-17 expression levels in the development of gastric carcinoma has been rarely reported. The present study aimed to investigate the potential mechanism of IL-17 and apatinib in the development of gastric carcinoma. A total of 30 tumor and para-carcinoma tissues were collected from 30 patients with gastric carcinoma between January 2019 and December 2019 and the expression levels of IL-17 in the tissues were analyzed by reverse transcription-quantitative PCR and western blotting. An in vitro model of gastric carcinoma was also established using the HGC-27 cell line, in which the cells were divided into control, IL-17, IL-17-apatinib and apatinib groups. The expression levels of IL-17, Bax, Bcl-2 and caspase-3 were analyzed using reverse transcription-quantitative PCR and western blotting. An MTT assay and flow cytometry were used to analyze the proliferation and apoptosis of HGC-27 cells, respectively, and a Transwell assay was used to analyze the invasive ability of HGC-27 cells. The results revealed that the expression levels of IL-17 were significantly upregulated in the gastric carcinoma tissues compared with the para-carcinoma tissues. In vitro, IL-17 treatment promoted the proliferation and invasive ability of HGC-27 cells, but inhibited the apoptosis with the significantly downregulated expression levels of Bax and caspase-3 and the upregulated expression levels of Bcl-2 than control group. Conversely, apatinib treatment significantly inhibited the proliferative and invasive abilities of HGC-27 cells, but promoted cell apoptosis in the IL-17 and IL-17-apatinib groups.. Collectively, the present results suggested that the upregulation of IL-17 may be associated with the occurrence and development of gastric carcinoma. The findings indicated that apatinib may inhibit gastric carcinoma development by regulating IL-17 expression via the Bax/Bcl-2 signaling pathway. Therefore, the present findings may enhance the current knowledge of the effect of apatinib on gastric carcinoma cells.
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Affiliation(s)
- Tianxi Wang
- Department of Gastroenterology, Tianjin Nankai Hospital, Tianjin 300100, P.R. China
| | - Jun Zhang
- Department of General Medicine, Tianjin Beichen Hospital, Tianjin 300401, P.R. China
| | - Lihong Cui
- Department of Gastroenterology, Tianjin Nankai Hospital, Tianjin 300100, P.R. China
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10
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Gala de Pablo J, Chisholm DR, Ambler CA, Peyman SA, Whiting A, Evans SD. Detection and time-tracking activation of a photosensitiser on live single colorectal cancer cells using Raman spectroscopy. Analyst 2020; 145:5878-5888. [PMID: 32662453 DOI: 10.1039/d0an01023e] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Raman spectroscopy has been used to observe uptake, metabolism and response of single-cells to drugs. Photodynamic therapy is based on the use of light, a photosensitiser and oxygen to destroy tumour tissue. Here, we used single-cell Raman spectroscopy to study the uptake and intracellular degradation of a novel photosensitiser with a diphenylacetylene structure, DC473, in live single-cells from colorectal adenocarcinoma cell lines SW480, HT29 and SW620. DC473 was seen to predominantly accumulate in lipid droplets, showing higher accumulation in HT29 and SW620 cells than in SW480 cells, with a broader DC473 peak shifted to higher wavenumbers. DC473 activation and effects were tracked on live single-cells for 5 minutes. Upon exposure to UV light, the DC473 signal intensity dropped, with remaining DC473 shifting towards higher wavenumbers and widening, with a lifetime of approximately 50 seconds. Morphologically, SW480 and SW620 cells showed changes upon photodynamic therapy, whereas HT29 cells showed no changes. Morphological changes correlated with higher remaining DC473 signal after UV exposure. Our research suggests that DC473 forms aggregates within the cells that disaggregate following activation, showing the potential of Raman spectroscopy for the study of time-dependent single-cell pharmacodynamics.
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Affiliation(s)
- Julia Gala de Pablo
- Molecular and Nanoscale Physics Group, School of Physics and Astronomy, University of Leeds, Leeds, UK.
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11
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Tabtimmai L, Srisook P, Kuaprasert B, Thumanu K, Choowongkomon K. FTIR spectra signatures reveal different cellular effects of EGFR inhibitors on nonsmall cell lung cancer cells. JOURNAL OF BIOPHOTONICS 2020; 13:e201960012. [PMID: 31595681 DOI: 10.1002/jbio.201960012] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 08/25/2019] [Accepted: 10/02/2019] [Indexed: 06/10/2023]
Abstract
ATP-analogue inhibitors, Gefitinib (Iressa) and Erlotinib (Tarceva) had been approved for advanced and metastatic nonsmall cell lung cancer (NSCLC) cells against tyrosine kinase domain of epidermal growth factor receptor (EGFR). Many techniques have been developed to better understand the drug mechanism which is multistep, time-consuming and expensive. Herein, we performed Fourier-transform infrared (FTIR) microscopy for evaluating the biochemical change on NSCLC (A549) cells after treatment. At levels that produced equivalent effects, Gefitinib dramatically induced cell apoptosis via impaired mitochondrial transmembrane potential. Whereas, Erlotinib had a slight effect on A549. Principal component analysis was performed to distinguish the effect of EGFR inhibitors on A549. FTIR spectra regions were divided into three regions: lipids (3000-2800 cm-1 ), proteins (1700-1500 cm-1 ) and carbohydrates and nuclei acids (1200-1000 cm-1 ). Biochemical changes can be evaluated by these spectral regions. This work may be a novel concept for utilizing FTIR spectroscopy for high-throughput discriminative effects of a drug or compound and its derivatives on cells.
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Affiliation(s)
- Lueacha Tabtimmai
- Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok, Thailand
| | - Pimonwan Srisook
- Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok, Thailand
| | - Buabarn Kuaprasert
- Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasrima, Thailand
| | - Kanjana Thumanu
- Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasrima, Thailand
| | - Kiattawee Choowongkomon
- Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok, Thailand
- Center for Advanced Studies in Nanotechnology for Chemical, Food and Agricultural Industries, KU Institute for Advanced Studies, Kasetsart University, Bangkok, Thailand
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12
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Liu R, Sun M, Zhang G, Lan Y, Yang Z. Towards early monitoring of chemotherapy-induced drug resistance based on single cell metabolomics: Combining single-probe mass spectrometry with machine learning. Anal Chim Acta 2019; 1092:42-48. [PMID: 31708031 PMCID: PMC6878984 DOI: 10.1016/j.aca.2019.09.065] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 08/30/2019] [Accepted: 09/23/2019] [Indexed: 01/22/2023]
Abstract
Despite the presence of methods evaluating drug resistance during chemotherapies, techniques, which allow for monitoring the degree of drug resistance in early chemotherapeutic stage from single cells in their native microenvironment, are still absent. Herein, we report an analytical approach that combines single cell mass spectrometry (SCMS) based metabolomics with machine learning (ML) models to address the existing challenges. Metabolomic profiles of live cancer cells (HCT-116) with different levels (i.e., no, low, and high) of chemotherapy-induced drug resistance were measured using the Single-probe SCMS technique. A series of ML models, including random forest (RF), artificial neural network (ANN), and penalized logistic regression (LR), were constructed to predict the degrees of drug resistance of individual cells. A systematic comparison of performance was conducted among multiple models, and the method validation was carried out experimentally. Our results indicate that these ML models, especially the RF model constructed on the obtained SCMS datasets, can rapidly and accurately predict different degrees of drug resistance of live single cells. With such rapid and reliable assessment of drug resistance demonstrated at the single cell level, our method can be potentially employed to evaluate chemotherapeutic efficacy in the clinic.
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Affiliation(s)
- Renmeng Liu
- Department of Chemistry and Biochemistry, University of Oklahoma, 101 Stephenson Parkway, Norman, OK, 73019, USA
| | - Mei Sun
- Department of Chemistry and Biochemistry, University of Oklahoma, 101 Stephenson Parkway, Norman, OK, 73019, USA
| | - Genwei Zhang
- Department of Chemistry and Biochemistry, University of Oklahoma, 101 Stephenson Parkway, Norman, OK, 73019, USA
| | - Yunpeng Lan
- Department of Chemistry and Biochemistry, University of Oklahoma, 101 Stephenson Parkway, Norman, OK, 73019, USA
| | - Zhibo Yang
- Department of Chemistry and Biochemistry, University of Oklahoma, 101 Stephenson Parkway, Norman, OK, 73019, USA.
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13
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Aljakouch K, Hilal Z, Daho I, Schuler M, Krauß SD, Yosef HK, Dierks J, Mosig A, Gerwert K, El-Mashtoly SF. Fast and Noninvasive Diagnosis of Cervical Cancer by Coherent Anti-Stokes Raman Scattering. Anal Chem 2019; 91:13900-13906. [DOI: 10.1021/acs.analchem.9b03395] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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14
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LaLone V, Fawaz MV, Morales-Mercado J, Mourão MA, Snyder CS, Kim SY, Lieberman AP, Tuteja A, Mehta G, Standiford TJ, Raghavendran K, Shedden K, Schwendeman A, Stringer KA, Rosania GR. Inkjet-printed micro-calibration standards for ultraquantitative Raman spectral cytometry. Analyst 2019; 144:3790-3799. [PMID: 31116195 PMCID: PMC6711383 DOI: 10.1039/c9an00500e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein we report the development of a cytometric analysis platform for measuring the contents of individual cells in absolute (picogram) scales; this study represents the first report of Raman-based quantitation of the absolute mass - or the total amount - of multiple endogenous biomolecules within single-cells. To enable ultraquantitative calibration, we engineered single-cell-sized micro-calibration standards of known composition by inkjet-printer deposition of biomolecular components in microarrays across the surface of silicon chips. We demonstrate clinical feasibility by characterizing the compositional phenotype of human skin fibroblast and porcine alveolar macrophage cell populations in the respective contexts of Niemann-Pick disease and drug-induced phospholipidosis: two types of lipid storage disorders. We envision this microanalytical platform as the foundation for many future biomedical applications, ranging from diagnostic assays to pathological analysis to advanced pharmaco/toxicokinetic research studies.
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Affiliation(s)
- Vernon LaLone
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, MI 48109, USA.
| | - Maria V Fawaz
- Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, MI 48109, USA
| | - Jomar Morales-Mercado
- School of Sciences, Technology, and Environment, Universidad Ana G. Méndez Cupey Campus, San Juan, Puerto Rico
| | - Márcio A Mourão
- CSCAR Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Catherine S Snyder
- Department of Materials Science and Engineering, College of Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Sang Yeop Kim
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, MI 48109, USA.
| | - Andrew P Lieberman
- Department of Pathology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - Anish Tuteja
- Department of Materials Science and Engineering, College of Engineering, University of Michigan, Ann Arbor, MI 48109, USA and Biointerfaces Institute, Macromolecular Science and Engineering, Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Geeta Mehta
- Department of Materials Science and Engineering, College of Engineering, University of Michigan, Ann Arbor, MI 48109, USA and Department of Biomedical Engineering, Macromolecular Science and Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Theodore J Standiford
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - Krishnan Raghavendran
- Department of Surgery, Michigan Medicine, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - Kerby Shedden
- CSCAR Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Anna Schwendeman
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, MI 48109, USA.
| | - Kathleen A Stringer
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, MI 48109, USA and Department of Clinical Pharmacy, College of Pharmacy, University of Michigan, Ann Arbor, MI 48109, USA
| | - Gus R Rosania
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, MI 48109, USA.
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15
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Roman M, Wrobel TP, Panek A, Efeoglu E, Wiltowska-Zuber J, Paluszkiewicz C, Byrne HJ, Kwiatek WM. Exploring subcellular responses of prostate cancer cells to X-ray exposure by Raman mapping. Sci Rep 2019; 9:8715. [PMID: 31213635 PMCID: PMC6581960 DOI: 10.1038/s41598-019-45179-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 06/03/2019] [Indexed: 12/12/2022] Open
Abstract
Understanding the response of cancer cells to ionising radiation is a crucial step in modern radiotherapy. Raman microspectroscopy, together with Partial Least Squares Regression (PLSR) analysis has been shown to be a powerful tool for monitoring biochemical changes of irradiated cells on the subcellular level. However, to date, the majority of Raman studies have been performed using a single spectrum per cell, giving a limited view of the total biochemical response of the cell. In the current study, Raman mapping of the whole cell area was undertaken to ensure a more comprehensive understanding of the changes induced by X-ray radiation. On the basis of the collected Raman spectral maps, PLSR models were constructed to elucidate the time-dependent evolution of chemical changes induced in cells by irradiation, and the performance of PLSR models based on whole cell averages as compared to those based on average Raman spectra of cytoplasm and nuclear region. On the other hand, prediction of X-ray doses for individual cellular components showed that cytoplasmic and nuclear regions should be analysed separately. Finally, the advantage of the mapping technique over single point measurements was verified by a comparison of the corresponding PLSR models.
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Affiliation(s)
- Maciej Roman
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342, Krakow, Poland.
| | - Tomasz P Wrobel
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342, Krakow, Poland
| | - Agnieszka Panek
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342, Krakow, Poland
| | - Esen Efeoglu
- FOCAS Research Institute, Technological University Dublin, Kevin Street, Dublin, 8, Ireland
| | | | | | - Hugh J Byrne
- FOCAS Research Institute, Technological University Dublin, Kevin Street, Dublin, 8, Ireland
| | - Wojciech M Kwiatek
- Institute of Nuclear Physics Polish Academy of Sciences, PL-31342, Krakow, Poland
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16
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Moonwiriyakit A, Koval M, Muanprasat C. Pharmacological stimulation of G-protein coupled receptor 40 alleviates cytokine-induced epithelial barrier disruption in airway epithelial Calu-3 cells. Int Immunopharmacol 2019; 73:353-361. [PMID: 31129422 DOI: 10.1016/j.intimp.2019.05.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 05/09/2019] [Accepted: 05/13/2019] [Indexed: 02/06/2023]
Abstract
Impairment of airway tight junctions induced by elevated levels of proinflammatory cytokines is implicated in the pathogenesis of inflammatory airway diseases. Pharmacological stimulation of G-protein coupled receptor (GPR) 40, a receptor of polyunsaturated fatty acids, have recently been shown to promote tight junction assembly in airway epithelial cells under non-inflammatory conditions. However, roles of GPR40 in regulating airway epithelial integrity in response to inflammatory insults are unknown. This study was aimed to investigate the effect of GPR40 stimulation on proinflammatory cytokine (TNFα and IL-1β)-induced tight junction disruption in human airway epithelial Calu-3 cells using GW9508, a GPR40 agonist. We found that stimulation of GPR40 by GW9508 attenuated the cytokine-induced airway epithelial barrier leakage as analyzed by measurements of transepithelial electrical resistance and transepithelial flux of fluorescently labeled dextran (molecular weight of 4 kDa). Furthermore, GW9508 prevented the cytokine-induced dislocalization of zonula occludens (ZO)-1, occludin and claudin-1. The barrier-protective effect of GW9508 was abolished by a GPR40 antagonist, but not a GPR120 antagonist. Immunofluorescence staining of NF-ĸB indicated that GW9508 had no effect on cytokine-induced NF-ĸB activation. Intriguingly, GW9508 inhibited cytokine-induced airway epithelial barrier disruption through suppression of extracellular signal-regulated kinase (ERK) phosphorylation in a phospholipase C (PLC) and calcium/calmodulin-dependent protein kinase kinase beta (CaMKKβ)-dependent manner. Collectively, this study uncovered the novel role of GPR40 in preventing cytokine-induced tight junction disruption in airway epithelial cells through mechanisms involving PLC-CaMKKβ-mediated suppression of ERK signaling. Pharmacological stimulation of GPR40 may be beneficial in the treatment of airway diseases.
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Affiliation(s)
- Aekkacha Moonwiriyakit
- Department of Physiology, Faculty of Science, Mahidol University, Rama VI Road, Rajathevi, Bangkok 10400, Thailand
| | - Michael Koval
- Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Cell Biology, Emory University School of Medicine, Atlanta, Georgia
| | - Chatchai Muanprasat
- Department of Physiology, Faculty of Science, Mahidol University, Rama VI Road, Rajathevi, Bangkok 10400, Thailand; Excellent Center for Drug Discovery (ECDD), Mahidol University, Rama VI Road, Rajathevi, Bangkok 10400, Thailand; Research Center of Transport Proteins for Medical Innovation, Faculty of Science, Mahidol University, Rama VI Road, Rajathevi, Bangkok 10400, Thailand.
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17
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Mondol AS, El-Mashtoly SF, Frick T, Gerwert K, Popp J, Schie IW. High-content screening Raman spectroscopy (HCS-RS) of panitumumab-exposed colorectal cancer cells. Analyst 2019; 144:6098-6107. [DOI: 10.1039/c9an01176e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Label-free screening for cancer cells exposed to monoclonal antibody-based drugs using HCS-RS.
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Affiliation(s)
- Abdullah S. Mondol
- Leibniz Institute of Photonics Technology
- 07745 Jena
- Germany
- Institute of Physical Chemistry
- Friedrich Schiller University Jena
| | - Samir F. El-Mashtoly
- Department of Biophysics
- Ruhr University Bochum
- 44780 Bochum
- Germany
- Center for Protein Diagnostics (ProDi), Ruhr University Bochum
| | - Tatjana Frick
- Department of Biophysics
- Ruhr University Bochum
- 44780 Bochum
- Germany
- Center for Protein Diagnostics (ProDi), Ruhr University Bochum
| | - Klaus Gerwert
- Department of Biophysics
- Ruhr University Bochum
- 44780 Bochum
- Germany
- Center for Protein Diagnostics (ProDi), Ruhr University Bochum
| | - Jürgen Popp
- Leibniz Institute of Photonics Technology
- 07745 Jena
- Germany
- Institute of Physical Chemistry
- Friedrich Schiller University Jena
| | - Iwan W. Schie
- Leibniz Institute of Photonics Technology
- 07745 Jena
- Germany
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18
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Zhang Y, Xu J, Yu Y, Shang W, Ye A. Anti-Cancer Drug Sensitivity Assay with Quantitative Heterogeneity Testing Using Single-Cell Raman Spectroscopy. Molecules 2018; 23:molecules23112903. [PMID: 30405051 PMCID: PMC6278387 DOI: 10.3390/molecules23112903] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 11/01/2018] [Accepted: 11/05/2018] [Indexed: 01/06/2023] Open
Abstract
A novel anti-cancer drug sensitivity testing (DST) approach was developed based on in vitro single-cell Raman spectrum intensity (RSI). Generally, the intensity of Raman spectra (RS) for a single living cell treated with drugs positively relates to the sensitivity of the cells to the drugs. In this study, five cancer cell lines (BGC 823, SGC 7901, MGC 803, AGS, and NCI-N87) were exposed to three cytotoxic compounds or to combinations of these compounds, and then they were evaluated for their responses with RSI. The results of RSI were consistent with conventional DST methods. The parametric correlation coefficient for the RSI and Methylthiazolyl tetrazolium assay (MTT) was 0.8558 ± 0.0850, and the coefficient of determination was calculated as R² = 0.9529 ± 0.0355 for fitting the dose⁻response curve. Moreover, RSI data for NCI-N87 cells treated by trastuzumab, everolimus (cytostatic), and these drugs in combination demonstrated that the RSI method was suitable for testing the sensitivity of cytostatic drugs. Furthermore, a heterogeneity coefficient H was introduced for quantitative characterization of the heterogeneity of cancer cells treated by drugs. The largest possible variance between RSs of cancer cells were quantitatively obtained using eigenvalues of principal component analysis (PCA). The ratio of H between resistant cells and sensitive cells was greater than 1.5, which suggested the H-value was effective to describe the heterogeneity of cancer cells. Briefly, the RSI method might be a powerful tool for simple and rapid detection of the sensitivity of tumor cells to anti-cancer drugs and the heterogeneity of their responses to these drugs.
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Affiliation(s)
- Yong Zhang
- Key Laboratory for the Physics and Chemistry of Nanodevices, School of Electronics Engineering and Computer Science, Peking University, No.5 Yiheyuan Road, Beijing 100871, China.
- Beijing Institute of Biomedicine, No.15 Xinjiangongmen Road, Beijing 100091, China.
| | - Jingjing Xu
- Academy for Advanced Interdisciplinary Studies, Peking University, No.5 Yiheyuan Road, Beijing 100871, China.
| | - Yuezhou Yu
- Academy for Advanced Interdisciplinary Studies, Peking University, No.5 Yiheyuan Road, Beijing 100871, China.
| | - Wenhao Shang
- Academy for Advanced Interdisciplinary Studies, Peking University, No.5 Yiheyuan Road, Beijing 100871, China.
| | - Anpei Ye
- Key Laboratory for the Physics and Chemistry of Nanodevices, School of Electronics Engineering and Computer Science, Peking University, No.5 Yiheyuan Road, Beijing 100871, China.
- Academy for Advanced Interdisciplinary Studies, Peking University, No.5 Yiheyuan Road, Beijing 100871, China.
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19
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Yosef HK, Frick T, Hammoud MK, Maghnouj A, Hahn S, Gerwert K, El-Mashtoly SF. Exploring the efficacy and cellular uptake of sorafenib in colon cancer cells by Raman micro-spectroscopy. Analyst 2018; 143:6069-6078. [DOI: 10.1039/c8an02029a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This study demonstrates the efficacy and distribution of sorafenib in colon cancer cells by label-free Raman microscopy.
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Affiliation(s)
- H. K. Yosef
- Department of Biophysics
- Ruhr-University Bochum
- Germany
| | - T. Frick
- Department of Biophysics
- Ruhr-University Bochum
- Germany
| | - M. K. Hammoud
- Department of Biophysics
- Ruhr-University Bochum
- Germany
| | - A. Maghnouj
- Department of Molecular GI-Oncology
- Clinical Research Center
- Ruhr-University Bochum
- 44780 Bochum
- Germany
| | - S. Hahn
- Department of Molecular GI-Oncology
- Clinical Research Center
- Ruhr-University Bochum
- 44780 Bochum
- Germany
| | - K. Gerwert
- Department of Biophysics
- Ruhr-University Bochum
- Germany
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