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Wang X, Yang Y, Wang Y, Lu C, Hu X, Kawazoe N, Yang Y, Chen G. Focal adhesion and actin orientation regulated by cellular geometry determine stem cell differentiation via mechanotransduction. Acta Biomater 2024; 182:81-92. [PMID: 38734287 DOI: 10.1016/j.actbio.2024.05.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 04/23/2024] [Accepted: 05/06/2024] [Indexed: 05/13/2024]
Abstract
Tuning cell adhesion geometry can affect cytoskeleton organization and the distribution of cytoskeleton forces, which play critical roles in controlling cell functions. To elucidate the geometrical relationship with cytoskeleton force distribution, it is necessary to control cell morphology. In this study, a series of dextral vortex micropatterns were prepared to precisely control cell morphology for investigating the influence of the curvature degree of adhesion curves on intracellular force distribution and stem cell differentiation at a sub-cellular level. Peripherial actin filaments of micropatterned cells were assembled along the adhesion curves and showed different orientations, filament thicknesses and densities. Focal adhesion and cytoskeleton force distribution were dependent on the curvature degree. Intracellular force distribution was also regulated by adhesion curves. The cytoskeleton and force distribution affected the osteogenic differentiation of mesenchymal stem cells through a YAP/TAZ-mediated mechanotransduction process. Thus, regulation of cell adhesion curvature, especially at cytoskeletal filament level, is critical for cell function manipulation. STATEMENT OF SIGNIFICANCE: In this study, a series of dextral micro-vortexes were prepared and used for the culture of human mesenchymal stem cells (hMSCs) to precisely control adhesive curvatures (0°, 30°, 60°, and 90°). The single MSCs on the micropatterns had the same size and shape but showed distinct focal adhesion (FA) and cytoskeleton orientations. Cellular nanomechanics were observed to be correlated with the curvature degrees, subsequently influencing nuclear morphological features. As a consequence, the localization of the mechanotransduction sensor and activator-YAP/TAZ was affected, influencing osteogenic differentiation. The results revealed the pivotal role of adhesive curvatures in the manipulation of stem cell differentiation via the machanotransduction process, which has rarely been investigated.
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Affiliation(s)
- Xinlong Wang
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
| | - Yingjun Yang
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
| | - Yongtao Wang
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
| | - Chengyu Lu
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
| | - Xiaohong Hu
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Graduate School of Life and Environmental Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
| | - Naoki Kawazoe
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Yingnan Yang
- Graduate School of Life and Environmental Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
| | - Guoping Chen
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan.
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2
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Khadem H, Mangini M, Farazpour S, De Luca AC. Correlative Raman Imaging: Development and Cancer Applications. BIOSENSORS 2024; 14:324. [PMID: 39056600 PMCID: PMC11274409 DOI: 10.3390/bios14070324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 06/26/2024] [Accepted: 06/27/2024] [Indexed: 07/28/2024]
Abstract
Despite extensive research efforts, cancer continues to stand as one of the leading causes of death on a global scale. To gain profound insights into the intricate mechanisms underlying cancer onset and progression, it is imperative to possess methodologies that allow the study of cancer cells at the single-cell level, focusing on critical parameters such as cell morphology, metabolism, and molecular characteristics. These insights are essential for effectively discerning between healthy and cancerous cells and comprehending tumoral progression. Recent advancements in microscopy techniques have significantly advanced the study of cancer cells, with Raman microspectroscopy (RM) emerging as a particularly powerful tool. Indeed, RM can provide both biochemical and spatial details at the single-cell level without the need for labels or causing disruptions to cell integrity. Moreover, RM can be correlated with other microscopy techniques, creating a synergy that offers a spectrum of complementary insights into cancer cell morphology and biology. This review aims to explore the correlation between RM and other microscopy techniques such as confocal fluoresce microscopy (CFM), atomic force microscopy (AFM), digital holography microscopy (DHM), and mass spectrometry imaging (MSI). Each of these techniques has their own strengths, providing different perspectives and parameters about cancer cell features. The correlation between information from these various analysis methods is a valuable tool for physicians and researchers, aiding in the comprehension of cancer cell morphology and biology, unraveling mechanisms underlying cancer progression, and facilitating the development of early diagnosis and/or monitoring cancer progression.
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Affiliation(s)
- Hossein Khadem
- Institute for Experimental Endocrinology and Oncology 'G. Salvatore', IEOS-Second Unit, National Research Council, 80131 Naples, Italy
| | - Maria Mangini
- Institute for Experimental Endocrinology and Oncology 'G. Salvatore', IEOS-Second Unit, National Research Council, 80131 Naples, Italy
| | - Somayeh Farazpour
- Institute for Experimental Endocrinology and Oncology 'G. Salvatore', IEOS-Second Unit, National Research Council, 80131 Naples, Italy
| | - Anna Chiara De Luca
- Institute for Experimental Endocrinology and Oncology 'G. Salvatore', IEOS-Second Unit, National Research Council, 80131 Naples, Italy
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Mallah A, Stojkova K, Cohen RN, Abu-Lail N, Brey EM, Gonzalez Porras MA. Atomic force microscopy characterization of white and beige adipocyte differentiation. In Vitro Cell Dev Biol Anim 2024:10.1007/s11626-024-00925-z. [PMID: 38831186 DOI: 10.1007/s11626-024-00925-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 04/19/2024] [Indexed: 06/05/2024]
Abstract
Adipose tissue plays an essential role in systemic metabolism with white adipose tissue (WAT) making up most of the tissue and being involved in the regulation of energy homeostasis, and brown and beige adipose tissue (BAT) exhibiting thermogenic activity. There is promise in the conversion of white adipocytes into beige ones as a therapeutic potential to control and enhance systemic metabolism, but it is difficult to maintain this transformation in vivo because we do not fully understand the mechanism of conversion. In this study, we applied atomic force microscopy (AFM) to characterize beige or white adipocytes during the process of differentiation for morphology, roughness, adhesion, and elasticity at different time points. As cells differentiated to white and beige adipocytes, they exhibited morphological changes as they lipid loaded, transitioning from flattened elongated cells to a rounded shape indicating adipogenesis. While there was an initial decrease in elasticity for both beige and white adipocytes, white adipocytes exhibited a higher elasticity than beige adipocytes at all time points. Beige and white adipogenesis exhibited a decrease in adhesion energy compared to preadipocytes, yet at day 12, white adipocytes had a significant increase in adhesion energy compared to beige adipocytes. This work shows significant differences in the mechanical properties of white vs. beige adipocytes during differentiation. Results from this study contribute to a better understanding of the differentiation of adipocytes which are vital to the therapeutic induction, engineered models, and maintenance of beige adipocytes as a potential approach for enhancing systemic metabolism.
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Affiliation(s)
- Alia Mallah
- Department of Biomedical Engineering and Chemical Engineering, University of Texas at San Antonio, AET 1.3681 UTSA Circle, San Antonio, TX, 78249, USA
- Institute of Regenerative Medicine, University of Texas at San Antonio, San Antonio, TX, USA
| | - Katerina Stojkova
- Department of Biomedical Engineering and Chemical Engineering, University of Texas at San Antonio, AET 1.3681 UTSA Circle, San Antonio, TX, 78249, USA
- Institute of Regenerative Medicine, University of Texas at San Antonio, San Antonio, TX, USA
| | - Ronald N Cohen
- Section of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of Chicago, Chicago, IL, USA
| | - Nehal Abu-Lail
- Department of Biomedical Engineering and Chemical Engineering, University of Texas at San Antonio, AET 1.3681 UTSA Circle, San Antonio, TX, 78249, USA
- Institute of Regenerative Medicine, University of Texas at San Antonio, San Antonio, TX, USA
| | - Eric M Brey
- Department of Biomedical Engineering and Chemical Engineering, University of Texas at San Antonio, AET 1.3681 UTSA Circle, San Antonio, TX, 78249, USA
- Institute of Regenerative Medicine, University of Texas at San Antonio, San Antonio, TX, USA
| | - Maria A Gonzalez Porras
- Department of Biomedical Engineering and Chemical Engineering, University of Texas at San Antonio, AET 1.3681 UTSA Circle, San Antonio, TX, 78249, USA.
- Institute of Regenerative Medicine, University of Texas at San Antonio, San Antonio, TX, USA.
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4
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Xiong Y, Li S, Zhang Y, Chen Q, Xing M, Zhang Y, Wang Q. MechanoBase: a comprehensive database for the mechanics of tissues and cells. Database (Oxford) 2024; 2024:baae040. [PMID: 38805752 PMCID: PMC11131424 DOI: 10.1093/database/baae040] [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: 10/19/2023] [Revised: 04/16/2024] [Accepted: 05/13/2024] [Indexed: 05/30/2024]
Abstract
Mechanical aspects of tissues and cells critically influence a myriad of biological processes and can substantially alter the course of diverse diseases. The emergence of diverse methodologies adapted from physical science now permits the precise quantification of the cellular forces and the mechanical properties of tissues and cells. Despite the rising interest in tissue and cellular mechanics across fields like biology, bioengineering and medicine, there remains a noticeable absence of a comprehensive and readily accessible repository of this pertinent information. To fill this gap, we present MechanoBase, a comprehensive tissue and cellular mechanics database, curating 57 480 records from 5634 PubMed articles. The records archived in MechanoBase encompass a range of mechanical properties and forces, such as modulus and tractions, which have been measured utilizing various technical approaches. These measurements span hundreds of biosamples across more than 400 species studied under diverse conditions. Aiming for broad applicability, we design MechanoBase with user-friendly search, browsing and data download features, making it a versatile tool for exploring biomechanical attributes in various biological contexts. Moreover, we add complementary resources, including the principles of popular techniques, the concepts of mechanobiology terms and the cellular and tissue-level expression of related genes, offering scientists unprecedented access to a wealth of knowledge in this field of research. Database URL: https://zhanglab-web.tongji.edu.cn/mechanobase/ and https://compbio-zhanglab.org/mechanobase/.
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Affiliation(s)
- Yanhong Xiong
- Institute for Regenerative Medicine, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
- Frontier Science Center for Stem Cell Research, Tongji University, Shanghai 200092, China
| | - Shiyu Li
- Institute for Regenerative Medicine, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
- Frontier Science Center for Stem Cell Research, Tongji University, Shanghai 200092, China
| | - Yuxuan Zhang
- Institute for Regenerative Medicine, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
- Frontier Science Center for Stem Cell Research, Tongji University, Shanghai 200092, China
| | - Qianqian Chen
- Institute for Regenerative Medicine, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
- Frontier Science Center for Stem Cell Research, Tongji University, Shanghai 200092, China
| | - Mengtan Xing
- Institute for Regenerative Medicine, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
- Frontier Science Center for Stem Cell Research, Tongji University, Shanghai 200092, China
| | - Yong Zhang
- Institute for Regenerative Medicine, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
- Frontier Science Center for Stem Cell Research, Tongji University, Shanghai 200092, China
| | - Qi Wang
- Institute for Regenerative Medicine, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
- Frontier Science Center for Stem Cell Research, Tongji University, Shanghai 200092, China
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5
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Massey A, Stewart J, Smith C, Parvini C, McCormick M, Do K, Cartagena-Rivera AX. Mechanical properties of human tumour tissues and their implications for cancer development. NATURE REVIEWS. PHYSICS 2024; 6:269-282. [PMID: 38706694 PMCID: PMC11066734 DOI: 10.1038/s42254-024-00707-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/13/2024] [Indexed: 05/07/2024]
Abstract
The mechanical properties of cells and tissues help determine their architecture, composition and function. Alterations to these properties are associated with many diseases, including cancer. Tensional, compressive, adhesive, elastic and viscous properties of individual cells and multicellular tissues are mostly regulated by reorganization of the actomyosin and microtubule cytoskeletons and extracellular glycocalyx, which in turn drive many pathophysiological processes, including cancer progression. This Review provides an in-depth collection of quantitative data on diverse mechanical properties of living human cancer cells and tissues. Additionally, the implications of mechanical property changes for cancer development are discussed. An increased knowledge of the mechanical properties of the tumour microenvironment, as collected using biomechanical approaches capable of multi-timescale and multiparametric analyses, will provide a better understanding of the complex mechanical determinants of cancer organization and progression. This information can lead to a further understanding of resistance mechanisms to chemotherapies and immunotherapies and the metastatic cascade.
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Affiliation(s)
- Andrew Massey
- Section on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
| | - Jamie Stewart
- Section on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
- These authors contributed equally: Jamie Stewart, Chynna Smith
| | - Chynna Smith
- Section on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
- These authors contributed equally: Jamie Stewart, Chynna Smith
| | - Cameron Parvini
- Section on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
| | - Moira McCormick
- Section on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
| | - Kun Do
- Section on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
| | - Alexander X. Cartagena-Rivera
- Section on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
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6
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Ozdil B, Calik-Kocaturk D, Altunayar-Unsalan C, Acikgoz E, Oltulu F, Gorgulu V, Uysal A, Oktem G, Unsalan O, Guler G, Aktug H. Differences and similarities in biophysical and biological characteristics between U87 MG glioblastoma and astrocyte cells. Histochem Cell Biol 2024; 161:43-57. [PMID: 37700206 DOI: 10.1007/s00418-023-02234-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/21/2023] [Indexed: 09/14/2023]
Abstract
Current cancer studies focus on molecular-targeting diagnostics and interactions with surroundings; however, there are still gaps in characterization based on topological differences and elemental composition. Glioblastoma (GBM cells; GBMCs) is an astrocytic aggressive brain tumor. At the molecular level, GBMCs and astrocytes may differ, and cell elemental/topological analysis is critical for identifying potential new cancer targets. Here, we used U87 MG cells for GBMCS. U87 MG cell lines, which are frequently used in glioblastoma research, are an important tool for studying the various features and underlying mechanisms of this aggressive brain tumor. For the first time, atomic force microscopy (AFM), scanning electron microscopy (SEM) accompanied by energy-dispersive X-ray spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS) are used to report the topology and chemistry of cancer (U87 MG) and healthy (SVG p12) cells. In addition, F-actin staining and cytoskeleton-based gene expression analyses were performed. The degree of gene expression for genes related to the cytoskeleton was similar; however, the intensity of F-actin, anisotropy values, and invasion-related genes were different. Morphologically, GBMCs were longer and narrower while astrocytes were shorter and more disseminated based on AFM. Furthermore, the roughness values of these cells differed slightly between the two call types. In contrast to the rougher astrocyte surfaces in the lamellipodial area, SEM-EDS analysis showed that elongated GBMCs displayed filopodial protrusions. Our investigation provides considerable further insight into rapid cancer cell characterization in terms of a combinatorial spectroscopic and microscopic approach.
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Affiliation(s)
- Berrin Ozdil
- Department of Histology and Embryology, Faculty of Medicine, Ege University, 35100, Izmir, Turkey
- Department of Histology and Embryology, Faculty of Medicine, Suleyman Demirel University, 32260, Isparta, Turkey
| | | | - Cisem Altunayar-Unsalan
- Central Research Testing and Analysis Laboratory Research and Application Center, Ege University, 35100, Bornova, Izmir, Turkey.
| | - Eda Acikgoz
- Department of Histology and Embryology, Faculty of Medicine, Van Yüzüncü Yıl University, 65080, Van, Turkey
| | - Fatih Oltulu
- Department of Histology and Embryology, Faculty of Medicine, Ege University, 35100, Izmir, Turkey.
| | - Volkan Gorgulu
- Department of Histology and Embryology, Faculty of Medicine, Ege University, 35100, Izmir, Turkey
| | - Aysegul Uysal
- Department of Histology and Embryology, Faculty of Medicine, Ege University, 35100, Izmir, Turkey
| | - Gulperi Oktem
- Department of Histology and Embryology, Faculty of Medicine, Ege University, 35100, Izmir, Turkey
| | - Ozan Unsalan
- Department of Physics, Faculty of Science, Ege University, 35100, Izmir, Turkey
| | - Gunnur Guler
- Department of Physics, Biophysics Laboratory, Izmir Institute of Technology, 35430, Izmir, Turkey
| | - Huseyin Aktug
- Department of Histology and Embryology, Faculty of Medicine, Ege University, 35100, Izmir, Turkey
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7
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Tang NT, Robinson R, Snook RD, Brown M, Clarke N, Gardner P. Classification of formalin-fixed bladder cancer cells with laser tweezer Raman spectroscopy. Analyst 2023; 148:4099-4108. [PMID: 37486734 DOI: 10.1039/d3an00119a] [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: 07/25/2023]
Abstract
Bladder cancer is a common cancer that is relatively hard to detect at an early stage because of its non-obvious symptoms. It is known that bladder cells can be found in urine samples which potentially could be used for early detection of bladder cancer. Raman spectroscopy is a powerful non-invasive tool for accessing biochemical information of cells. Combined with laser tweezers, to allow isolation of single cells, Raman spectroscopy has been used to characterise a number of bladder cells that might be found in a urine sample. Using principal component-canonical variates analysis (PC-CVA) and k-fold validation, the results shows that the invasive bladder cancer cells can be identified with accuracy greater than 87%. This demonstrates the potential of developing an early detection method that identifies the invasive bladder cancer cells in urine samples.
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Affiliation(s)
- Nga Tsing Tang
- Department of Chemical Engineering and Analytical Science, School of Engineering, University of Manchester, Manchester, M13 9PL, UK.
- Manchester Institute of Biotechnology, University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK
| | - Richard Robinson
- Division of Cancer Sciences, University of Manchester, Manchester, M20 4GJ, UK
- Department of Urology, Salford Royal NHS Foundation Trust, Salford, M6 8HD, UK
| | - Richard D Snook
- Department of Chemical Engineering and Analytical Science, School of Engineering, University of Manchester, Manchester, M13 9PL, UK.
- Manchester Institute of Biotechnology, University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK
| | - Mick Brown
- Division of Cancer Sciences, University of Manchester, Manchester, M20 4GJ, UK
| | - Noel Clarke
- Division of Cancer Sciences, University of Manchester, Manchester, M20 4GJ, UK
- Department of Urology, Salford Royal NHS Foundation Trust, Salford, M6 8HD, UK
- Department of Surgery, The Christie NHS Foundation Trust, Manchester, M20 4BX, UK
| | - Peter Gardner
- Department of Chemical Engineering and Analytical Science, School of Engineering, University of Manchester, Manchester, M13 9PL, UK.
- Manchester Institute of Biotechnology, University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK
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8
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Zhu X, Qin R, Qu K, Wang Z, Zhao X, Xu W. Atomic force microscopy-based assessment of multimechanical cellular properties for classification of graded bladder cancer cells and cancer early diagnosis using machine learning analysis. Acta Biomater 2023; 158:358-373. [PMID: 36581006 DOI: 10.1016/j.actbio.2022.12.035] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 12/10/2022] [Accepted: 12/15/2022] [Indexed: 12/28/2022]
Abstract
Cellular mechanical properties (CMPs) have been frequently reported as biomarkers for cell cancerization to assist objective cytology, compared to the current subjective method dependent on cytomorphology. However, single or dual CMPs cannot always successfully distinguish every kind of malignant cell from its benign counterpart. In this work, we extract 4 CMPs of four different graded bladder cancer (BC) cell lines by AFM (atomic force microscopy)-based nanoindentation to generate a CMP database, which is used to train a cancerization-grade classifier by machine learning. The classifier is tested on 4 categories of BC cells at different cancer grades. The classification shows split-independent robustness and an accuracy of 91.25% with an AUC-ROC (ROC stands for receiver operating characteristic, and ROC curve is a graphical plot which illustrates the performance of a binary classifier system as its discrimination threshold is varied) value of 97.98%. Finally, we also compare our proposed method with traditional invasive diagnosis and noninvasive cancer diagnosis relying on cytomorphology, in terms of accuracy, sensitivity and specificity. Unlike former studies focusing on the discrimination between normal and cancerous cells, our study fulfills the classification of 4 graded cell lines at different cancerization stages, and thus provides a potential method for early detection of cancerization. STATEMENT OF SIGNIFICANCE: We measured four cellular mechanical properties (CMPs) of 4 graded bladder cancer (BC) cell lines using AFM (atomic force microscopy). We found that single or dual CMPs cannot fulfill the task of BC cell classification. Instead, we employ MLA (Machine Learning Algorithm)-based analysis whose inputs are BC CMPs. Compared with traditional cytomorphology-based prognoses, the non-invasive method proposed in this study has higher accuracy but with many fewer cellular properties as inputs. The proposed non-invasive prognosis is characterized with high sensitivity and specificity, and thus provides a potential tumor-grading means to identify cancer cells with different metastatic potential. Moreover, our study proposes an objective grading method based on quantitative characteristics desirable for avoiding misdiagnosis induced by ambiguous subjectivity.
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Affiliation(s)
- Xinyao Zhu
- Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education, Tianjin University, Tianjin 300350, China.
| | - Rui Qin
- Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education, Tianjin University, Tianjin 300350, China
| | - Kaige Qu
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China; JR3CN & IRAC, University of Bedfordshire, Luton LU1 3JU, UK
| | - Zuobin Wang
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China; JR3CN & IRAC, University of Bedfordshire, Luton LU1 3JU, UK
| | - Xuexia Zhao
- College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan 030000, China
| | - Wei Xu
- Faculty of Engineering and Physical Sciences, University of Surrey, Guilford GU2 7XH, UK
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9
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Discriminating bladder cancer cells through rheological mechanomarkers at cell and spheroid levels. J Biomech 2022; 144:111346. [DOI: 10.1016/j.jbiomech.2022.111346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 09/13/2022] [Accepted: 10/06/2022] [Indexed: 11/21/2022]
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10
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Mallah AH, Amr M, Gozen A, Mendenhall J, Van-Wie BJ, Abu-Lail NI. Interleukin 1β and lipopolysaccharides induction dictate chondrocyte morphological properties and reduce cellular roughness and adhesion energy comparatively. Biointerphases 2022; 17:051001. [PMID: 36180273 PMCID: PMC9526521 DOI: 10.1116/6.0001986] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 08/10/2022] [Accepted: 08/25/2022] [Indexed: 10/02/2023] Open
Abstract
Osteoarthritis (OA) is a whole joint disease marked by the degradation of the articular cartilage (AC) tissue, chronic inflammation, and bone remodeling. Upon AC's injury, proinflammatory mediators including interleukin 1β (IL1β) and lipopolysaccharides (LPS) play major roles in the onset and progression of OA. The objective of this study was to mechanistically detect and compare the effects of IL1β and LPS, separately, on the morphological and nanomechanical properties of bovine chondrocytes. Cells were seeded overnight in a full serum medium and the next day divided into three main groups: A negative control (NC) of a reduced serum medium and 10 ng/ml IL1ß or 10 ng/ml LPS-modified media. Cells were induced for 24 h. Nanomechanical properties (elastic modulus and adhesion energy) and roughness were quantified using atomic force microscopy. Nitric oxide, prostaglandin 2 (PGE2), and matrix metalloproteinases 3 (MMP3) contents; viability of cells; and extracellular matrix components were quantified. Our data revealed that viability of the cells was not affected by inflammatory induction and IL1ß induction increased PGE2. Elastic moduli of cells were similar among IL1β and NC while LPS significantly decreased the elasticity compared to NC. IL1ß induction resulted in least cellular roughness while LPS induction resulted in least adhesion energy compared to NC. Our images suggest that IL1ß and LPS inflammation affect cellular morphology with cytoskeleton rearrangements and the presence of stress fibers. Finally, our results suggest that the two investigated inflammatory mediators modulated chondrocytes' immediate responses to inflammation in variable ways.
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Affiliation(s)
- Alia H. Mallah
- Department of Biomedical Engineering and Chemical Engineering, The University of Texas at San Antonio (UTSA), San Antonio, Texas 78249
| | - Mahmoud Amr
- Department of Biomedical Engineering and Chemical Engineering, The University of Texas at San Antonio (UTSA), San Antonio, Texas 78249
| | - Arda Gozen
- School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164
| | - Juana Mendenhall
- Department of Chemistry, Morehouse College, Atlanta, Georgia 30314
| | - Bernard J. Van-Wie
- Gene and Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, Washington 99164
| | - Nehal I. Abu-Lail
- Department of Biomedical Engineering and Chemical Engineering, The University of Texas at San Antonio (UTSA), San Antonio, Texas 78249
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11
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Lekka M. Applicability of atomic force microscopy to determine cancer-related changes in cells. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2022; 380:20210346. [PMID: 35909354 DOI: 10.1098/rsta.2021.0346] [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: 01/04/2022] [Accepted: 02/24/2022] [Indexed: 06/15/2023]
Abstract
The determination of mechanical properties of living cells as an indicator of cancer progression has become possible with the development of local measurement techniques such as atomic force microscopy (AFM). Its most important advantage is a nanoscopic character, implying that very local alterations can be quantified. The results gathered from AFM measurements of various cancers show that, for most cancers, individual cells are characterized by the lower apparent Young's modulus, denoting higher cell deformability. The measured value depends on various factors, like the properties of substrates used for cell growth, force loading rate or indentation depth. Despite this, the results proved the AFM capability to recognize mechanically altered cells. This can significantly impact the development of methodological approaches toward the precise identification of pathological cells. This article is part of the theme issue 'Nanocracks in nature and industry'.
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Affiliation(s)
- Małgorzata Lekka
- Department of Biophysical Microstructures, Institute of Nuclear Physics, Polish Academy of Sciences, PL-31342 Krakow, Poland
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12
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Oliveira FD, Cavaco M, Figueira TN, Valle J, Neves V, Andreu D, Gaspar D, Castanho MARB. The antimetastatic breast cancer activity of the viral protein-derived peptide vCPP2319 as revealed by cellular biomechanics. FEBS J 2022; 289:1603-1624. [PMID: 34679257 PMCID: PMC9298314 DOI: 10.1111/febs.16247] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 09/15/2021] [Accepted: 10/21/2021] [Indexed: 12/24/2022]
Abstract
The incidence of metastatic breast cancer (MBC) is increasing and the therapeutic arsenal available to fight it is insufficient. Brain metastases, in particular, represent a major challenge for chemotherapy as the impermeable nature of the blood-brain barrier (BBB) prevents most drugs from targeting cells in the brain. For their ability to transpose biological membranes and transport a broad spectrum of bioactive cargoes, cell-penetrating peptides (CPPs) have been hailed as ideal candidates to deliver drugs across biological barriers. A more ambitious approach is to have the CPP as a drug itself, capable of both killing cancer cells and interacting with the blood/brain interface, therefore blocking the onset of brain metastases. vCPP2319, a viral protein-derived CPP, has both properties as it: (a) is selective toward human breast cancer cells (MDA-MB-231) and increases cell stiffness compared to breast epithelial cells (MCF 10A) hindering the progression of metastases; and (b) adsorbs at the surface of human brain endothelial cells potentially counteracting metastatic cells from reaching the brain. Overall, the results reveal the selective anticancer activity of the peptide vCPP2319, which is also able to reside at the blood-brain interface, therefore counteracting brain penetration by metastatic cancer cells.
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Affiliation(s)
- Filipa D. Oliveira
- Instituto de Medicina MolecularFaculdade de Medicina da Universidade de LisboaPortugal
| | - Marco Cavaco
- Instituto de Medicina MolecularFaculdade de Medicina da Universidade de LisboaPortugal
| | - Tiago N. Figueira
- Instituto de Medicina MolecularFaculdade de Medicina da Universidade de LisboaPortugal
| | - Javier Valle
- Department of Experimental and Health SciencesBarcelona Biomedical Research ParkPompeu Fabra UniversityBarcelonaSpain
| | - Vera Neves
- Instituto de Medicina MolecularFaculdade de Medicina da Universidade de LisboaPortugal
| | - David Andreu
- Department of Experimental and Health SciencesBarcelona Biomedical Research ParkPompeu Fabra UniversityBarcelonaSpain
| | - Diana Gaspar
- Instituto de Medicina MolecularFaculdade de Medicina da Universidade de LisboaPortugal
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Yu W, Sharma S, Rao E, Rowat AC, Gimzewski JK, Han D, Rao J. Cancer cell mechanobiology: a new frontier for cancer research. JOURNAL OF THE NATIONAL CANCER CENTER 2022; 2:10-17. [PMID: 39035217 PMCID: PMC11256617 DOI: 10.1016/j.jncc.2021.11.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 11/26/2021] [Accepted: 11/28/2021] [Indexed: 12/12/2022] Open
Abstract
The study of physical and mechanical features of cancer cells, or cancer cell mechanobiology, is a new frontier in cancer research. Such studies may enhance our understanding of the disease process, especially mechanisms associated with cancer cell invasion and metastasis, and may help the effort of developing diagnostic biomarkers and therapeutic drug targets. Cancer cell mechanobiological changes are associated with the complex interplay of activation/inactivation of multiple signaling pathways, which can occur at both the genetic and epigenetic levels, and the interactions with the cancer microenvironment. It has been shown that metastatic tumor cells are more compliant than morphologically similar benign cells in actual human samples. Subsequent studies from us and others further demonstrated that cell mechanical properties are strongly associated with cancer cell invasive and metastatic potential, and thus may serve as a diagnostic marker of detecting cancer cells in human body fluid samples. In this review, we provide a brief narrative of the molecular mechanisms underlying cancer cell mechanobiology, the technological platforms utilized to study cancer cell mechanobiology, the status of cancer cell mechanobiological studies in various cancer types, and the potential clinical applications of cancer cell mechanobiological study in cancer early detection, diagnosis, and treatment.
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Affiliation(s)
- Weibo Yu
- Department of Pathology and Laboratory Medicine, University of California at Los Angeles, California, USA
| | - Shivani Sharma
- Department of Pathology and Laboratory Medicine, University of California at Los Angeles, California, USA
| | - Elizabeth Rao
- Department of Pathology and Laboratory Medicine, University of California at Los Angeles, California, USA
| | - Amy C. Rowat
- Department of Integrative Biology and Physiology, University of California at Los Angeles, California, USA
| | - James K. Gimzewski
- Department of Chemistry and Biochemistry, University of California at Los Angeles, California, USA
| | - Dong Han
- National Center for Nanoscience and Technology, Beijing, China
| | - Jianyu Rao
- Department of Pathology and Laboratory Medicine, University of California at Los Angeles, California, USA
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14
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Kanmalar M, Abdul Sani SF, Kamri NINB, Said NABM, Jamil AHBA, Kuppusamy S, Mun KS, Bradley DA. Raman spectroscopy biochemical characterisation of bladder cancer cisplatin resistance regulated by FDFT1: a review. Cell Mol Biol Lett 2022; 27:9. [PMID: 35093030 PMCID: PMC8903573 DOI: 10.1186/s11658-022-00307-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 01/05/2022] [Indexed: 12/17/2022] Open
Abstract
Bladder cancer is the fourth most common malignancy in males. It can present across the whole continuum of severity, from mild through well-differentiated disease to extremely malignant tumours with poor survival rates. As with other vital organ malignancies, proper clinical management involves accurate diagnosis and staging. Chemotherapy consisting of a cisplatin-based regimen is the mainstay in the management of muscle-invasive bladder cancers. Control via cisplatin-based chemotherapy is threatened by the development of chemoresistance. Intracellular cholesterol biosynthesis in bladder cancer cells is considered a contributory factor in determining the chemotherapy response. Farnesyl-diphosphate farnesyltransferase 1 (FDFT1), one of the main regulatory components in cholesterol biosynthesis, may play a role in determining sensitivity towards chemotherapy compounds in bladder cancer. FDFT1-associated molecular identification might serve as an alternative or appendage strategy for early prediction of potentially chemoresistant muscle-invasive bladder cancer tissues. This can be accomplished using Raman spectroscopy. Developments in the instrumentation have led to it becoming one of the most convenient forms of analysis, and there is a highly realistic chance that it will become an effective tool in the pathology lab. Chemosensitive bladder cancer tissues tend to have a higher lipid content, more protein genes and more cholesterol metabolites. These are believed to be associated with resistance towards bladder cancer chemotherapy. Herein, Raman peak assignments have been tabulated as an aid to indicating metabolic changes in bladder cancer tissues that are potentially correlated with FDFT1 expression.
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Affiliation(s)
- M Kanmalar
- Department of Physics, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Siti Fairus Abdul Sani
- Department of Physics, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia.
| | | | - Nur Akmarina B M Said
- Department of Pharmaceutical Life Sciences, Faculty of Pharmacy, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Amirah Hajirah B A Jamil
- Department of Pharmaceutical Life Sciences, Faculty of Pharmacy, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - S Kuppusamy
- Department of Surgery, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - K S Mun
- Department of Pathology, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - D A Bradley
- Centre for Applied Physics and Radiation Technologies, Sunway University, Jalan University, 46150, Petaling Jaya, Malaysia
- Department of Physics, University of Surrey, Guildford, GU2 7XH, UK
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15
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Tian Y, Lin W, Qu K, Wang Z, Zhu X. Insights into cell classification based on combination of multiple cellular mechanical phenotypes by using machine learning algorithm. J Mech Behav Biomed Mater 2022; 128:105097. [DOI: 10.1016/j.jmbbm.2022.105097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 06/26/2021] [Accepted: 01/09/2022] [Indexed: 10/19/2022]
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Liu Z, Zhang P, Wang H, Zheng B, Sun L, Zhang D, Fan J. Raman Spectrum-Based Diagnosis Strategy for Bladder Tumor. Urol Int 2021; 106:109-115. [PMID: 34515249 DOI: 10.1159/000518877] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 06/21/2021] [Indexed: 11/19/2022]
Abstract
Raman spectroscopy is an optical technique that can potentially serve as a molecular diagnosis method. This approach is excellent in many aspects for diagnosing bladder tumors, and over the last 20 years, there has been a rapid increase in the number of related studies. However, no review article has covered the wide use of Raman spectroscopy in bladder tumors. A total of 26 original studies have suggested that Raman spectroscopy shows good performance in diagnosing bladder tumors from 4 aspects, including tissue sections, endoscopic methods, cell screening, and biomarkers. However, Raman spectroscopy needs to be modified by combining it with other techniques, and studies based on a large population are still urgently needed to expand its clinical value.
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Affiliation(s)
- Zhenghong Liu
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China, .,Department of Urology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China,
| | - Pu Zhang
- Department of Urology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China
| | - Heng Wang
- Department of Urology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China
| | - Bin Zheng
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China.,Department of Urology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China
| | - Li Sun
- Hangzhou Medical College, Hangzhou, China
| | - Dahong Zhang
- Department of Urology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China
| | - Jinhai Fan
- Department of Urology, First Affiliated Hospital of Medical School, Xi'an Jiaotong University, Xi'an, China
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Ozdil B, Calik-Kocaturk D, Altunayar-Unsalan C, Acikgoz E, Gorgulu V, Uysal A, Unsalan O, Aktug H. Spectroscopic and microscopic comparisons of cell topology and chemistry analysis of mouse embryonic stem cell, somatic cell and cancer cell. Acta Histochem 2021; 123:151763. [PMID: 34333240 DOI: 10.1016/j.acthis.2021.151763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 06/16/2021] [Accepted: 07/16/2021] [Indexed: 11/26/2022]
Abstract
While embryonic stem cells and cancer cells are known to have many similarities in signalling pathways, healthy somatic cells are known to be different in many ways. Characterization of embryonic stem cell is crucial for cancer development and cancer recurrence due to the shared signalling pathways and life course with cancer initiator and cancer stem cells. Since embryonic stem cells are the sources of the somatic and cancer cells, it is necessary to reveal the relevance between them. The past decade has seen the importance of interdisciplinary studies and it is obvious that the reflection of the physical/chemical phenomena occurring on the cell biology has attracted much more attention. For this reason, the aim of this study is to elementally and topologically characterize the mouse embryonic stem cells, mouse lung squamous cancer cells, and mouse skin fibroblast cells by using Atomic Force Microscopy (AFM), X-ray Photoelectron Spectroscopy (XPS) and Scanning Electron Microscopy (SEM) supported with Electron Dispersive Spectroscopy (EDS) techniques in a complementary way. Our AFM findings revealed that roughness data of the mouse embryonic stem cells and cancer cells were similar and somatic cells were found to be statistically different from these two cell types. However, based on both XPS and SEM-EDS results, surface elemental ratios vary in mouse embryonic stem cells, cancer cells and somatic cells. Our results showed that these complementary spectroscopic and microscopic techniques used in this work are very effective in cancer and stem cell characterization and have the potential to gather more detailed information on relevant biological samples.
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18
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Martinez-Vidal L, Murdica V, Venegoni C, Pederzoli F, Bandini M, Necchi A, Salonia A, Alfano M. Causal contributors to tissue stiffness and clinical relevance in urology. Commun Biol 2021; 4:1011. [PMID: 34446834 PMCID: PMC8390675 DOI: 10.1038/s42003-021-02539-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 08/02/2021] [Indexed: 02/07/2023] Open
Abstract
Mechanomedicine is an emerging field focused on characterizing mechanical changes in cells and tissues coupled with a specific disease. Understanding the mechanical cues that drive disease progression, and whether tissue stiffening can precede disease development, is crucial in order to define new mechanical biomarkers to improve and develop diagnostic and prognostic tools. Classically known stromal regulators, such as fibroblasts, and more recently acknowledged factors such as the microbiome and extracellular vesicles, play a crucial role in modifications to the stroma and extracellular matrix (ECM). These modifications ultimately lead to an alteration of the mechanical properties (stiffness) of the tissue, contributing to disease onset and progression. We describe here classic and emerging mediators of ECM remodeling, and discuss state-of-the-art studies characterizing mechanical fingerprints of urological diseases, showing a general trend between increased tissue stiffness and severity of disease. Finally, we point to the clinical potential of tissue stiffness as a diagnostic and prognostic factor in the urological field, as well as a possible target for new innovative drugs.
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Affiliation(s)
- Laura Martinez-Vidal
- Vita-Salute San Raffaele University, Milan, Italy.
- Division of Experimental Oncology/Unit of Urology, URI, IRCCS San Raffaele Hospital, Milan, Italy.
| | - Valentina Murdica
- Division of Experimental Oncology/Unit of Urology, URI, IRCCS San Raffaele Hospital, Milan, Italy
| | - Chiara Venegoni
- Division of Experimental Oncology/Unit of Urology, URI, IRCCS San Raffaele Hospital, Milan, Italy
| | - Filippo Pederzoli
- Vita-Salute San Raffaele University, Milan, Italy
- Division of Experimental Oncology/Unit of Urology, URI, IRCCS San Raffaele Hospital, Milan, Italy
| | - Marco Bandini
- Vita-Salute San Raffaele University, Milan, Italy
- Division of Experimental Oncology/Unit of Urology, URI, IRCCS San Raffaele Hospital, Milan, Italy
| | | | - Andrea Salonia
- Vita-Salute San Raffaele University, Milan, Italy
- Division of Experimental Oncology/Unit of Urology, URI, IRCCS San Raffaele Hospital, Milan, Italy
| | - Massimo Alfano
- Division of Experimental Oncology/Unit of Urology, URI, IRCCS San Raffaele Hospital, Milan, Italy
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Simultaneously Quantifying Both Young's Modulus and Specific Membrane Capacitance of Bladder Cancer Cells with Different Metastatic Potential. MICROMACHINES 2020; 11:mi11030249. [PMID: 32120859 PMCID: PMC7143764 DOI: 10.3390/mi11030249] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 02/23/2020] [Accepted: 02/25/2020] [Indexed: 12/30/2022]
Abstract
Both Young's modulus and specific membrane capacitance (SMC) are two important physical parameters for characterizing cell status. In this paper, we utilized a thin-neck-micropipette aspiration system to simultaneously quantify Young's modulus and SMC value of six types of cell lines in different progression grades, which include four grades from the lowest metastatic potential G1 to the highest potential G4. We investigated how these two physical properties possess heterogeneities in bladder cancer cells with different grades and what roles they might play in grading bladder cancer. The characterization results of these cells of different cancer grades is linearly correlated with the cancer grades, showing that the Young's modulus is negatively linearly correlated with bladder cancer grades, while SMC shows a positive linear correlation. Furthermore, the combination of these two physical properties on a scatter diagram clearly shows the cell groups with different cancer grades, which means that this combination could be a potential tumor grading marker to identify cancer cells with different metastatic potential.
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20
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Mechanics of actin filaments in cancer onset and progress. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2020; 355:205-243. [DOI: 10.1016/bs.ircmb.2020.05.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Chen M, Zeng J, Ruan W, Zhang Z, Wang Y, Xie S, Wang Z, Yang H. Examination of the relationship between viscoelastic properties and the invasion of ovarian cancer cells by atomic force microscopy. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2020; 11:568-582. [PMID: 32318318 PMCID: PMC7155897 DOI: 10.3762/bjnano.11.45] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Accepted: 03/04/2020] [Indexed: 05/17/2023]
Abstract
The mechanical properties of cells could serve as an indicator for disease progression and early cancer diagnosis. This study utilized atomic force microscopy (AFM) to measure the viscoelastic properties of ovarian cancer cells and then examined the association with the invasion of ovarian cancer at the level of living single cells. Elasticity and viscosity of the ovarian cancer cells OVCAR-3 and HO-8910 are significantly lower than those of the human ovarian surface epithelial cell (HOSEpiC) control. Further examination found a dramatic increase of migration/invasion and an obvious decease of microfilament density in OVCAR-3 and HO-8910 cells. Also, there was a significant relationship between viscoelastic and biological properties among these cells. In addition, the elasticity was significantly increased in OVCAR-3 and HO-8910 cells after the treatment with the anticancer compound echinomycin (Ech), while no obvious change was found in HOSEpiC cells after Ech treatment. Interestingly, Ech seemed to have no effect on the viscosity of the cells. Ech significantly inhibited the migration/invasion and significantly increased the microfilament density in OVCAR-3 and HO-8910 cells, which was significantly related with the elasticity of the cells. An increase of elasticity and a decrease of invasion were found in OVCAR-3 and HO-8910 cells after Ech treatment. Together, this study clearly demonstrated the association of viscoelastic properties with the invasion of ovarian cancer cells and shed a light on the biomechanical changes for early diagnosis of tumor transformation and progression at single-cell level.
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Affiliation(s)
- Mengdan Chen
- Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education, Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou 350007, China
| | - Jinshu Zeng
- Department of Ultrasound Medical, The First Affiliated Hospital of Fujian Medical University, Fuzhou 350005, China
| | - Weiwei Ruan
- Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education, Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou 350007, China
| | - Zhenghong Zhang
- Fujian Provincial Key Laboratory for Developmental Biology and Neurosciences, College of Life Sciences, Fujian Normal University, Fuzhou 350007, China
| | - Yuhua Wang
- Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education, Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou 350007, China
| | - Shusen Xie
- Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education, Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou 350007, China
| | - Zhengchao Wang
- Fujian Provincial Key Laboratory for Developmental Biology and Neurosciences, College of Life Sciences, Fujian Normal University, Fuzhou 350007, China
| | - Hongqin Yang
- Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education, Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou 350007, China
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22
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Abramczyk H, Brozek-Pluska B, Jarota A, Surmacki J, Imiela A, Kopec M. A look into the use of Raman spectroscopy for brain and breast cancer diagnostics: linear and non-linear optics in cancer research as a gateway to tumor cell identity. Expert Rev Mol Diagn 2020; 20:99-115. [PMID: 32013616 DOI: 10.1080/14737159.2020.1724092] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 01/28/2020] [Indexed: 12/14/2022]
Abstract
Introduction: Currently, intensely developing of linear and non-linear optical methods for cancer detection provides a valuable tool to improve sensitivity and specificity. One of the main reasons for insufficient progress in cancer diagnostics is related to the fact that most cancer types are not only heterogeneous in their genetic composition but also reside in varying microenvironments and interact with different cell types. Until now, no technology has been fully proven for effective detecting of invasive cancer, which infiltrating the extracellular matrix.Areas covered: This review investigates the current status of Raman spectroscopy and Raman imaging for brain and breast cancer diagnostics. Moreover, the review provides a comprehensive overview of the applicability of atomic force microscopy (AFM), linear and non-linear optics in cancer research as a gateway to tumor cell identity.Expert commentary: A combination of linear and non-linear optics, particularly Raman-driven methods, has many additional advantages to identify alterations in cancer cells that are crucial for their proliferation and that distinguish them from normal cells.
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Affiliation(s)
- Halina Abramczyk
- Laboratory of Laser Molecular Spectroscopy, Lodz University of Technology, Lodz, Poland
| | - Beata Brozek-Pluska
- Laboratory of Laser Molecular Spectroscopy, Lodz University of Technology, Lodz, Poland
| | - Arkadiusz Jarota
- Laboratory of Laser Molecular Spectroscopy, Lodz University of Technology, Lodz, Poland
| | - Jakub Surmacki
- Laboratory of Laser Molecular Spectroscopy, Lodz University of Technology, Lodz, Poland
| | - Anna Imiela
- Laboratory of Laser Molecular Spectroscopy, Lodz University of Technology, Lodz, Poland
| | - Monika Kopec
- Laboratory of Laser Molecular Spectroscopy, Lodz University of Technology, Lodz, Poland
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Jin H, Lin T, Han P, Yao Y, Zheng D, Hao J, Hu Y, Zeng R. Efficacy of Raman spectroscopy in the diagnosis of bladder cancer: A systematic review and meta-analysis. Medicine (Baltimore) 2019; 98:e18066. [PMID: 31764837 PMCID: PMC6882629 DOI: 10.1097/md.0000000000018066] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Bladder cancer is one of the severest human malignancies which are hardly detected at an early stage. Raman spectroscopy is reported to maintain a high diagnostic accuracy, sensitivity and specificity in some tumors. METHODS We carried out a complete systematic review based on articles from PubMed/Medline, EMBASE, Web of Science, Ovid, Web of Knowledge, Cochrane Library and CNKI. We identified 2341 spectra with strict criteria in 9 individual studies between 2004 and 2018 in accordance to Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines. We summarized the test performance using random effects models. RESULTS General pooled diagnostic sensitivity and specificity of RS to kidney cancer were 94% (95% CI 0.93-0.95) and 92% (95% CI 0.90-0.93). The pooled positive LR was 10.00 (95%CI 5.66-17.65) while the negative LR was 0.09 (95%CI 0.06-0.14). The pooled DOR was 139.53 (95% CI 54.60-356.58). The AUC of SROC was 0.9717. CONCLUSION Through this meta-analysis, we found a promisingly high sensitivity and specificity of RS in the diagnosis of suspected bladder masses and tumors. Other parameters like positive, negative LR, DOR, and AUC of the SROC curve all helped to illustrate the high efficacy of RS in bladder cancer diagnosis.
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Affiliation(s)
- Hongyu Jin
- Department of Liver Surgery, Liver Transplantation Center, West China Hospital
- West China School of Medicine
| | - Tianhai Lin
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Ping Han
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | | | | | | | | | - Rui Zeng
- West China School of Medicine
- Department of Cardiovascular Diseases, West China Hospital, Sichuan University, Chengdu, China
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24
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Yang Y, Xiao X, Peng Y, Yang C, Wu S, Liu Y, Yue T, Pu H, Liu N, Jiang H. The comparison between force volume and peakforce quantitative nanomechanical mode of atomic force microscope in detecting cell's mechanical properties. Microsc Res Tech 2019; 82:1843-1851. [PMID: 31361070 DOI: 10.1002/jemt.23351] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 06/26/2019] [Accepted: 07/06/2019] [Indexed: 01/16/2023]
Abstract
Atomic force microscope (AFM) has been widely used in the biological field owing to its high sensitivity (subnanonewton), high spatial resolution (nanometer), and adaptability to physiological environments. Nowadays, force volume (FV) and peakforce quantitative nanomechanical (QNM) are two distinct modes of AFM used in biomechanical research. However, numerous studies have revealed an extremely confusing phenomenon that FV mode has a significant difference with QNM in determining the mechanical properties of the same samples. In this article, for the case of human benign prostatic hyperplasia cells (BPH) and two cancerous prostate cells with different grades of malignancy (PC3 and DU145), the differences were compared between FV and QNM modes in detecting mechanical properties. The results show measured Young's modulus of the same cells in FV mode was much lower than that obtained by QNM mode. Combining experimental results with working principles of two modes, it is indicated that surface adhesion is highly suspected to be a critical factor resulting in the measurement difference between two modes. To further confirm this conjecture, various weight ratios of polydimethylsiloxane (PDMS) were assessed by two modes, respectively. The results show that the difference of Young's modulus measured by two modes increases with the surface adhesion of PDMS, confirming that adhesion is one of the significant elements that lead to the measurement difference between FV and QNM modes.
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Affiliation(s)
- Yang Yang
- School of Mechatronics Engineering and Automation, Shanghai University, Shanghai, China
| | - Xiaoxiao Xiao
- School of Mechatronics Engineering and Automation, Shanghai University, Shanghai, China
| | - Yan Peng
- School of Mechatronics Engineering and Automation, Shanghai University, Shanghai, China
| | - Chen Yang
- Huashan Hospital, Fudan University, Shanghai, China
| | - Siqi Wu
- Huashan Hospital, Fudan University, Shanghai, China
| | - Yuanyuan Liu
- School of Mechatronics Engineering and Automation, Shanghai University, Shanghai, China
| | - Tao Yue
- School of Mechatronics Engineering and Automation, Shanghai University, Shanghai, China
| | - Huayan Pu
- School of Mechatronics Engineering and Automation, Shanghai University, Shanghai, China
| | - Na Liu
- School of Mechatronics Engineering and Automation, Shanghai University, Shanghai, China
| | - Haowen Jiang
- Huashan Hospital, Fudan University, Shanghai, China
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25
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Lasalvia M, Perna G, Manti L, Rasero J, Stramaglia S, Capozzi V. Raman spectroscopy monitoring of MCF10A cells irradiated by protons at clinical doses. Int J Radiat Biol 2019; 95:207-214. [DOI: 10.1080/09553002.2019.1547849] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Maria Lasalvia
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
- National Institute of Nuclear Physics - INFN, Bari Section, Bari, Italy
| | - Giuseppe Perna
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
- National Institute of Nuclear Physics - INFN, Bari Section, Bari, Italy
| | - Lorenzo Manti
- Physics Department, University of Napoli “Federico II”, Napoli, Italy
- National Institute of Nuclear Physics - INFN, Napoli Section, Napoli, Italy
| | - Javier Rasero
- Biocruces Health Research Institute, Barakaldo, Spain
| | - Sebastiano Stramaglia
- National Institute of Nuclear Physics - INFN, Bari Section, Bari, Italy
- Department of Physics, University of Bari “Aldo Moro”, Bari, Italy
| | - Vito Capozzi
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
- National Institute of Nuclear Physics - INFN, Bari Section, Bari, Italy
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26
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Glinská G, Krajčíková K, Zakutanská K, Shylenko O, Kondrakhova D, Tomašovičová N, Komanický V, Mašlanková J, Tomečková V. Noninvasive diagnostic methods for diabetes mellitus from tear fluid. RSC Adv 2019; 9:18050-18059. [PMID: 35520589 PMCID: PMC9064664 DOI: 10.1039/c9ra02078k] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 05/08/2019] [Indexed: 12/03/2022] Open
Abstract
Diabetes mellitus and prolonged hyperglycemia can cause diabetic retinopathy. Diabetic retinopathy arises from damage to retinal vessels and, in its final stages, causes blindness. The early stages are often asymptomatic and although regular screening of diabetic patients is recommended, the beginning of diabetic retinopathy is insufficiently detected. The diagnostic potential of fluorescence spectroscopy, infrared spectroscopy and atomic force microscopy as the untraditional methods for diabetes mellitus was investigated using tear fluid. In our pilot study the structural changes of tear fluid of patients with diabetes mellitus after insulin and oral antidiabetic drug treatment was compared with healthy subjects. The results of analysis, infrared spectroscopy and atomic force microscopy confirmed structural changes in tear fluid of patients in comparison with the tear fluid of healthy subjects. Using new experimental laboratory methods in future could contribute to an improvement in diagnosis of diabetes mellitus and other selected ocular diseases using tear fluid. In our pilot study we assessed the diagnostic potential of FS, IRS and AFM for diabetes mellitus using tear fluid.![]()
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Affiliation(s)
- Gabriela Glinská
- Department of Medical and Clinical Biochemistry
- Faculty of Medicine
- Pavol Jozef Šafárik University in Košice
- 040 11 Košice
- Slovakia
| | - Kristína Krajčíková
- Department of Medical and Clinical Biochemistry
- Faculty of Medicine
- Pavol Jozef Šafárik University in Košice
- 040 11 Košice
- Slovakia
| | | | - Oleg Shylenko
- Department of Condensed Matter Physics
- Institute of Physics
- Faculty of Science
- Pavol Jozef Šafárik University in Košice
- 041 54 Košice
| | - Daria Kondrakhova
- Department of Condensed Matter Physics
- Institute of Physics
- Faculty of Science
- Pavol Jozef Šafárik University in Košice
- 041 54 Košice
| | | | - Vladimír Komanický
- Department of Condensed Matter Physics
- Institute of Physics
- Faculty of Science
- Pavol Jozef Šafárik University in Košice
- 041 54 Košice
| | - Jana Mašlanková
- Department of Medical and Clinical Biochemistry
- Faculty of Medicine
- Pavol Jozef Šafárik University in Košice
- 040 11 Košice
- Slovakia
| | - Vladimíra Tomečková
- Department of Medical and Clinical Biochemistry
- Faculty of Medicine
- Pavol Jozef Šafárik University in Košice
- 040 11 Košice
- Slovakia
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27
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Rudilla H, Merlos A, Sans-Serramitjana E, Fusté E, Sierra JM, Zalacaín A, Vinuesa T, Viñas M. New and old tools to evaluate new antimicrobial peptides. AIMS Microbiol 2018; 4:522-540. [PMID: 31294231 PMCID: PMC6604946 DOI: 10.3934/microbiol.2018.3.522] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 06/24/2018] [Indexed: 12/16/2022] Open
Abstract
The emergence of antimicrobial resistance due to the overuse of antimicrobials together with the existence of naturally untreatable infections well demonstrates the need for new instruments to fight microbes. Antimicrobial peptides (AMPs) are a promising family of molecules in this regard, because they abundantly occur in nature and the results of preliminary studies of their clinical potential have been encouraging. However, further progress will benefit from the standardization of research methods to assess the antimicrobial properties of AMPs. Here we review the diverse methods used to study the antimicrobial power of AMPs and recommend a pathway to explore new molecules. The use of new methodologies to quantitatively evaluate the physical effect on bacterial biofilms such as force spectroscopy and surface cell damage evaluation, constitute novel approaches to study new AMPs.
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Affiliation(s)
- Hector Rudilla
- Department of Pathology & Experimental therapeutics, Faculty of Medicine & Health Sciences, University of Barcelona, Feixa Llarga s/n 08907 Hospitalet, Barcelona, Spain
| | - Alexandra Merlos
- Department of Pathology & Experimental therapeutics, Faculty of Medicine & Health Sciences, University of Barcelona, Feixa Llarga s/n 08907 Hospitalet, Barcelona, Spain
| | - Eulàlia Sans-Serramitjana
- Department of Pathology & Experimental therapeutics, Faculty of Medicine & Health Sciences, University of Barcelona, Feixa Llarga s/n 08907 Hospitalet, Barcelona, Spain
| | - Ester Fusté
- Department of Pathology & Experimental therapeutics, Faculty of Medicine & Health Sciences, University of Barcelona, Feixa Llarga s/n 08907 Hospitalet, Barcelona, Spain
| | - Josep M Sierra
- Department of Pathology & Experimental therapeutics, Faculty of Medicine & Health Sciences, University of Barcelona, Feixa Llarga s/n 08907 Hospitalet, Barcelona, Spain
| | - Antonio Zalacaín
- Department of Clinical Sciences, Faculty of Medicine & Health Sciences, University of Barcelona, Feixa Llarga s/n 08907 Hospitalet, Barcelona, Spain
| | - Teresa Vinuesa
- Department of Pathology & Experimental therapeutics, Faculty of Medicine & Health Sciences, University of Barcelona, Feixa Llarga s/n 08907 Hospitalet, Barcelona, Spain
| | - Miguel Viñas
- Department of Pathology & Experimental therapeutics, Faculty of Medicine & Health Sciences, University of Barcelona, Feixa Llarga s/n 08907 Hospitalet, Barcelona, Spain
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28
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Pallaoro A, Mirsafavi RY, Culp WT, Braun GB, Meinhart CD, Moskovits M. Screening for canine transitional cell carcinoma (TCC) by SERS-based quantitative urine cytology. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2018; 14:1279-1287. [DOI: 10.1016/j.nano.2018.03.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Revised: 02/17/2018] [Accepted: 03/11/2018] [Indexed: 12/25/2022]
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29
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Wang J, Liu M, Shen Y, Sun J, Shao Z, Czajkowsky DM. Compressive Force Spectroscopy: From Living Cells to Single Proteins. Int J Mol Sci 2018; 19:E960. [PMID: 29570665 PMCID: PMC5979447 DOI: 10.3390/ijms19040960] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 03/20/2018] [Accepted: 03/20/2018] [Indexed: 12/20/2022] Open
Abstract
One of the most successful applications of atomic force microscopy (AFM) in biology involves monitoring the effect of force on single biological molecules, often referred to as force spectroscopy. Such studies generally entail the application of pulling forces of different magnitudes and velocities upon individual molecules to resolve individualistic unfolding/separation pathways and the quantification of the force-dependent rate constants. However, a less recognized variation of this method, the application of compressive force, actually pre-dates many of these "tensile" force spectroscopic studies. Further, beyond being limited to the study of single molecules, these compressive force spectroscopic investigations have spanned samples as large as living cells to smaller, multi-molecular complexes such as viruses down to single protein molecules. Correspondingly, these studies have enabled the detailed characterization of individual cell states, subtle differences between seemingly identical viral structures, as well as the quantification of rate constants of functionally important, structural transitions in single proteins. Here, we briefly review some of the recent achievements that have been obtained with compressive force spectroscopy using AFM and highlight exciting areas of its future development.
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Affiliation(s)
- Jiabin Wang
- Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Meijun Liu
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Yi Shen
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Jielin Sun
- Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Zhifeng Shao
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Daniel Mark Czajkowsky
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
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30
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Wu C, Gleysteen J, Teraphongphom NT, Li Y, Rosenthal E. In-vivo optical imaging in head and neck oncology: basic principles, clinical applications and future directions. Int J Oral Sci 2018; 10:10. [PMID: 29555901 PMCID: PMC5944254 DOI: 10.1038/s41368-018-0011-4] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 12/29/2017] [Accepted: 01/10/2018] [Indexed: 02/05/2023] Open
Abstract
Head and neck cancers become a severe threat to human's health nowadays and represent the sixth most common cancer worldwide. Surgery remains the first-line choice for head and neck cancer patients. Limited resectable tissue mass and complicated anatomy structures in the head and neck region put the surgeons in a dilemma between the extensive resection and a better quality of life for the patients. Early diagnosis and treatment of the pre-malignancies, as well as real-time in vivo detection of surgical margins during en bloc resection, could be leveraged to minimize the resection of normal tissues. With the understanding of the head and neck oncology, recent advances in optical hardware and reagents have provided unique opportunities for real-time pre-malignancies and cancer imaging in the clinic or operating room. Optical imaging in the head and neck has been reported using autofluorescence imaging, targeted fluorescence imaging, high-resolution microendoscopy, narrow band imaging and the Raman spectroscopy. In this study, we reviewed the basic theories and clinical applications of optical imaging for the diagnosis and treatment in the field of head and neck oncology with the goal of identifying limitations and facilitating future advancements in the field.
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Affiliation(s)
- Chenzhou Wu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - John Gleysteen
- Department of Otolaryngology, University of Tennessee Health Science Center, 38163, Memphis, TN, USA
| | | | - Yi Li
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
| | - Eben Rosenthal
- Department of Otolaryngology and Radiology, Stanford University, 94305, Stanford, CA, USA.
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31
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Wang X, Yang Y, Hu X, Kawazoe N, Yang Y, Chen G. Morphological and Mechanical Properties of Osteosarcoma Microenvironment Cells Explored by Atomic Force Microscopy. ANAL SCI 2018; 32:1177-1182. [PMID: 27829622 DOI: 10.2116/analsci.32.1177] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Cell mechanical properties that depend on cytoskeleton architecture are critical to the mechanotransduction process, and have great potential for cancer diagnosis and therapy. In this study, the morphological and mechanical properties of typical osteosarcoma microenvironment cells, including mesenchymal stem cells (MSC), normal human osteoblast cells (NHOst) and osteosarcoma cells (MG-63), were compared using atomic force microscopy (AFM). The MG-63 cells were smaller and thicker than the MSC and NHOst cells. The membrane roughness of MG-63 cells was higher than that of MSC and NHOst cells. The MG-63 cells had lower stiffness than their normal counterparts due to their reduced organization of the cytoskeleton structure. The cell stiffness influenced the mechanotransduction. The MG-63 cells had a lower percentage of nuclear YAP/TAZ compared with the MSC and NHOst cells. The F-actin assembly was disrupted by the cytochalasin D (cyto D) treatment used to investigate its influence on mechanotransduction. Disruption of the cytoskeleton leaded to a decrease of the cell stiffness, and reduced the nuclear YAP/TAZ percentage, indicating its inhibition in the cell mechanotransduction process. This study would shed light on the development of a novel cancer diagnosis strategy and would contribute to reveal the relationship between the cytoskeleton structure and the cell mechanical properties.
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Affiliation(s)
- Xinlong Wang
- International Center for Materials Nanoarchitectonics, National Institute for Materials Science
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32
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Zemła J, Danilkiewicz J, Orzechowska B, Pabijan J, Seweryn S, Lekka M. Atomic force microscopy as a tool for assessing the cellular elasticity and adhesiveness to identify cancer cells and tissues. Semin Cell Dev Biol 2018; 73:115-124. [DOI: 10.1016/j.semcdb.2017.06.029] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 06/27/2017] [Accepted: 06/29/2017] [Indexed: 11/27/2022]
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33
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Glycerol-3-phosphate acyltransferase 2 expression modulates cell roughness and membrane permeability: An atomic force microscopy study. PLoS One 2017; 12:e0189031. [PMID: 29211789 PMCID: PMC5718561 DOI: 10.1371/journal.pone.0189031] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 10/19/2017] [Indexed: 11/19/2022] Open
Abstract
In mammalian cells, de novo glycerolipid synthesis begins with the acylation of glycerol-3-phosphate, catalyzed by glycerol-3-phosphate acyltransferases (GPAT). GPAT2 is a mitochondrial isoform primarily expressed in testis under physiological conditions, and overexpressed in several types of cancers and cancer-derived human cell lines where its expression contributes to the tumor phenotype. Using gene silencing and atomic force microscopy, we studied the correlation between GPAT2 expression and cell surface topography, roughness and membrane permeability in MDA-MB-231 cells. In addition, we analyzed the glycerolipid composition by gas-liquid chromatography. GPAT2 expression altered the arachidonic acid content in glycerolipids, and the lack of GPAT2 seems to be partially compensated by the overexpression of another arachidonic-acid-metabolizing enzyme, AGPAT11. GPAT2 expressing cells exhibited a rougher topography and less membrane damage than GPAT2 silenced cells. Pore-like structures were present only in GPAT2 subexpressing cells, correlating with higher membrane damage evidenced by lactate dehydrogenase release. These GPAT2-induced changes are consistent with its proposed function as a tumor-promoting gene, and might be used as a phenotypic differentiation marker. AFM provides the basis for the identification and quantification of those changes, and demonstrates the utility of this technique in the study of cancer cell biology.
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34
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Figueira TN, Oliveira FD, Almeida I, Mello ÉO, Gomes VM, Castanho MARB, Gaspar D. Challenging metastatic breast cancer with the natural defensin PvD 1. NANOSCALE 2017; 9:16887-16899. [PMID: 29076508 DOI: 10.1039/c7nr05872a] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Metastatic breast cancer is a very serious life threatening condition that poses many challenges for the pharmaceutical development of effective chemotherapeutics. As the therapeutics targeted to the localized masses in breast improve, metastatic lesions in the brain slowly increase in their incidence compromising successful treatment outcomes overall. The blood-brain-barrier (BBB) is one important obstacle for the management of breast cancer brain metastases. New therapeutic approaches are in demand for overcoming the BBB's breaching by breast tumor cells. In this work we demonstrate the potential dual role of a natural antimicrobial plant defensin, PvD1: it interferes with the formation of solid tumors in the breast and concomitantly controls adhesion of breast cancer cells to human brain endothelial cells. We have used a combination of techniques that probe PvD1's effect at the single cell level and reveal that this peptide can effectively damage breast tumor cells, leaving healthy breast and brain cells unaffected. Results suggest that PvD1 quickly internalizes in cancer cells but remains located in the membrane of normal cells with no significant damage to its structure and biomechanical properties. These interactions in turn modulate cell adhesiveness between tumor and BBB cells. PvD1 is a potential template for the design of innovative pharmacological approaches for metastatic breast cancer treatment: the manipulation of the biomechanical properties of tumor cells that ultimately prevent their attachment to the BBB.
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Affiliation(s)
- Tiago N Figueira
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, Lisbon 1649-028, Portugal.
| | - Filipa D Oliveira
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, Lisbon 1649-028, Portugal.
| | - Inês Almeida
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, Lisbon 1649-028, Portugal.
| | - Érica O Mello
- Laboratório de Fisiologia e Bioquímica de Microrganismos do Centro de Biociências e Biotecnologia da Universidade Estadual do Norte Fluminense Darcy Ribeiro, Avenida Alberto Lamego 2000, Campos dos Goytacazes, Rio de Janeiro, 28013-602, Brazil
| | - Valdirene M Gomes
- Laboratório de Fisiologia e Bioquímica de Microrganismos do Centro de Biociências e Biotecnologia da Universidade Estadual do Norte Fluminense Darcy Ribeiro, Avenida Alberto Lamego 2000, Campos dos Goytacazes, Rio de Janeiro, 28013-602, Brazil
| | - Miguel A R B Castanho
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, Lisbon 1649-028, Portugal.
| | - Diana Gaspar
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, Lisbon 1649-028, Portugal.
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35
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Hernández Velázquez J, Mejía-Rosales S, Gama Goicochea A. Nanorheology of poly - and monodispersed polymer brushes under oscillatory flow as models of epithelial cancerous and healthy cell brushes. POLYMER 2017. [DOI: 10.1016/j.polymer.2017.09.046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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36
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Chang CH, Lee HH, Lee CH. Substrate properties modulate cell membrane roughness by way of actin filaments. Sci Rep 2017; 7:9068. [PMID: 28831175 PMCID: PMC5567215 DOI: 10.1038/s41598-017-09618-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 07/24/2017] [Indexed: 01/09/2023] Open
Abstract
Cell membrane roughness has been proposed as a sensitive feature to reflect cellular physiological conditions. In order to know whether membrane roughness is associated with the substrate properties, we employed the non-interferometric wide-field optical profilometry (NIWOP) technique to measure the membrane roughness of living mouse embryonic fibroblasts with different conditions of the culture substrate. By controlling the surface density of fibronectin (FN) coated on the substrate, we found that cells exhibited higher membrane roughness as the FN density increased in company with larger focal adhesion (FA) sizes. The examination of membrane roughness was also confirmed with atomic force microscopy. Using reagents altering actin or microtubule cytoskeletons, we provided evidence that the dynamics of actin filaments rather than that of microtubules plays a crucial role for the regulation of membrane roughness. By changing the substrate rigidity, we further demonstrated that the cells seeded on compliant gels exhibited significantly lower membrane roughness and smaller FAs than the cells on rigid substrate. Taken together, our data suggest that the magnitude of membrane roughness is modulated by way of actin dynamics in cells responding to substrate properties.
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Affiliation(s)
- Chao-Hung Chang
- Research Center for Applied Sciences, Academia Sinica, Taipei, 11529, Taiwan
| | - Hsiao-Hui Lee
- Department of Life Sciences & Institute of Genome Sciences, National Yang-Ming University, Taipei, 11221, Taiwan.
| | - Chau-Hwang Lee
- Research Center for Applied Sciences, Academia Sinica, Taipei, 11529, Taiwan. .,Institute of Biophotonics, National Yang-Ming University, Taipei, 11221, Taiwan. .,Department of Physics, National Taiwan University, Taipei, 10617, Taiwan.
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37
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Li M, Liu L, Xi N, Wang Y. Atomic force microscopy studies on cellular elastic and viscoelastic properties. SCIENCE CHINA-LIFE SCIENCES 2017; 61:57-67. [DOI: 10.1007/s11427-016-9041-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2016] [Accepted: 04/07/2017] [Indexed: 01/03/2023]
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38
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Ciasca G, Sassun TE, Minelli E, Antonelli M, Papi M, Santoro A, Giangaspero F, Delfini R, De Spirito M. Nano-mechanical signature of brain tumours. NANOSCALE 2016; 8:19629-19643. [PMID: 27853793 DOI: 10.1039/c6nr06840e] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Glioblastoma (GBM) and meningothelial meningioma (MM) are the most frequent malignant and benign brain lesions, respectively. Mechanical cues play a major role in the progression of both malignancies that is modulated by the occurrence of aberrant physical interactions between neoplastic cells and the extracellular matrix (ECM). Here we investigate the nano-mechanical properties of human GBM and MM tissues by atomic force microscopy. Our measures unveil the mechanical fingerprint of the main hallmark features of both lesions, such as necrosis in GBM and dural infiltration in MM. These findings have the potential to positively impact on the development of novel AFM-based diagnostic methods to assess the tumour grade. Most importantly, they provide a quantitative description of the tumour-induced mechanical modifications in the brain ECM, thus being of potential help in the search for novel ECM targets for brain tumours and especially for GBM that, despite years of intense research, has still very limited therapeutic options.
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Affiliation(s)
- Gabriele Ciasca
- Istituto di Fisica, Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy.
| | - Tanya Enny Sassun
- Department of Neurology and Psychiatry, Division of Neurosurgery, Policlinico Umberto I, Sapienza University of Rome, Viale del Policlinico, 155 Rome, Italy 00161
| | - Eleonora Minelli
- Istituto di Fisica, Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy.
| | - Manila Antonelli
- Department of Radiological Sciences, Oncology and Anatomical Pathology, Sapienza University, Rome, Italy
| | - Massimiliano Papi
- Istituto di Fisica, Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy.
| | - Antonio Santoro
- Department of Neurology and Psychiatry, Division of Neurosurgery, Policlinico Umberto I, Sapienza University of Rome, Viale del Policlinico, 155 Rome, Italy 00161
| | - Felice Giangaspero
- Department of Radiological Sciences, Oncology and Anatomical Pathology, Sapienza University, Rome, Italy
| | - Roberto Delfini
- Department of Neurology and Psychiatry, Division of Neurosurgery, Policlinico Umberto I, Sapienza University of Rome, Viale del Policlinico, 155 Rome, Italy 00161
| | - Marco De Spirito
- Istituto di Fisica, Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy.
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Mandair GS, Han AL, Keller ET, Morris MD. Raman microscopy of bladder cancer cells expressing green fluorescent protein. JOURNAL OF BIOMEDICAL OPTICS 2016; 21:115001. [PMID: 27805248 PMCID: PMC8357324 DOI: 10.1117/1.jbo.21.11.115001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Accepted: 10/14/2016] [Indexed: 05/06/2023]
Abstract
Gene engineering is a commonly used tool in cellular biology to determine changes in function or expression of downstream targets. However, the impact of genetic modulation on biochemical effects is less frequently evaluated. The aim of this study is to use Raman microscopy to assess the biochemical effects of gene silencing on T24 and UMUC-13 bladder cancer cell lines. Cellular biochemical information related to nucleic acid and lipogenic components was obtained from deconvolved Raman spectra. We show that the green fluorescence protein (GFP), the chromophore that served as a fluorescent reporter for gene silencing, could also be detected by Raman microscopy. Only the gene-silenced UMUC-13 cell lines exhibited low-to-moderate GFP fluorescence as determined by fluorescence imaging and Raman spectroscopic studies. Moreover, we show that gene silencing and cell phenotype had a greater effect on nucleic acid and lipogenic components with minimal interference from GFP expression. Gene silencing was also found to perturb cellular protein secondary structure in which the amount of disorderd protein increased at the expense of more ordered protein. Overall, our study identified the spectral signature for cellular GFP expression and elucidated the effects of gene silencing on cancer cell biochemistry and protein secondary structure.
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Affiliation(s)
- Gurjit S. Mandair
- University of Michigan, School of Dentistry, Department of Biologic and Materials Sciences, 1011 North University Avenue, Ann Arbor, Michigan 48109-1078, United States
- Address all correspondence to: Gurjit S. Mandair, E-mail:
| | - Amy L. Han
- University of Michigan, Department of Urology and Biointerfaces Institute, NCRC Building 20, 2800 Plymouth Road, Ann Arbor, Michigan 48109-2800, United States
| | - Evan T. Keller
- University of Michigan, Department of Urology and Biointerfaces Institute, NCRC Building 20, 2800 Plymouth Road, Ann Arbor, Michigan 48109-2800, United States
| | - Michael D. Morris
- University of Michigan, Department of Chemistry, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, United States
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40
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Atomic force microscopy for the investigation of molecular and cellular behavior. Micron 2016; 89:60-76. [DOI: 10.1016/j.micron.2016.07.011] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 07/27/2016] [Indexed: 12/19/2022]
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41
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Gladkovskaya O, Gun'ko YK, O'Connor GM, Gogvadze V, Rochev Y. In one harness: the interplay of cellular responses and subsequent cell fate after quantum dot uptake. Nanomedicine (Lond) 2016; 11:2603-15. [PMID: 27618947 DOI: 10.2217/nnm-2016-0068] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Rapid growth and expansion of engineered nanomaterials will occur when the technology can be used safely. Quantum dots have excellent prospects in clinical applications, but the issue of toxicity has not yet been resolved. To enable their medical implementation, the effect on, and mechanisms in, live cells should be clearly known and predicted. A massive amount of experimental data dedicated to nanotoxicity has been accumulated to-date, but it lacks a logical structure. The current challenge is to organize existing knowledge into lucid biological and mathematical models. In our review we aim to describe the interplay of various cell death mechanisms triggered by quantum dots as a consequence of particle parameters and experimental conditions.
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Affiliation(s)
- Olga Gladkovskaya
- KAUST Catalysis Centre, King Abdullah University of Science & Technology, Thuwal Jeddah 23955-6900, Kingdom of Saudi Arabia.,School of Physics, National University of Ireland, Galway, Ireland.,CÚRAM - Centre for Research in Medical Devices, Galway, Ireland
| | - Yuri K Gun'ko
- CRANN & School of Chemistry, Trinity College Dublin, Ireland.,ITMO University, 197101 Saint Petersburg, Russia
| | | | - Vladimir Gogvadze
- Division of Toxicology, Institute of Environmental Medicine, Karolinska Institutet, Box 210, 171 77 Stockholm, Sweden.,MV Lomonosov Moscow State University, 119991 Moscow, Russia.,Institute of Theoretical & Experimental Biophysics, Pushchino, 142290 Russia
| | - Yury Rochev
- CÚRAM - Centre for Research in Medical Devices, Galway, Ireland.,School of Chemistry, National University of Ireland, Galway, Ireland.,Sechenov First Moscow State Medical University, Institute for Regenerative Medicine
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Mechanical Signals Inhibit Growth of a Grafted Tumor In Vivo: Proof of Concept. PLoS One 2016; 11:e0152885. [PMID: 27100674 PMCID: PMC4839666 DOI: 10.1371/journal.pone.0152885] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Accepted: 03/21/2016] [Indexed: 12/28/2022] Open
Abstract
In the past ten years, many studies have shown that malignant tissue has been “normalized” in vitro using mechanical signals. We apply the principles of physical oncology (or mechanobiology) in vivo to show the effect of a “constraint field” on tumor growth. The human breast cancer cell line, MDA MB 231, admixed with ferric nanoparticles was grafted subcutaneously in Nude mice. The magnetizable particles rapidly surrounded the growing tumor. Two permanent magnets located on either side of the tumor created a gradient of magnetic field. Magnetic energy is transformed into mechanical energy by the particles acting as “bioactuators”, applying a constraint field and, by consequence, biomechanical stress to the tumor. This biomechanical treatment was applied 2 hours/day during 21 days, from Day 18 to Day 39 following tumor implantation. The study lasted 74 days. Palpable tumor was measured two times a week. There was a significant in vivo difference between the median volume of treated tumors and untreated controls in the mice measured up to D 74 (D 59 + population): (529 [346; 966] mm3 vs 1334 [256; 2106] mm3; p = 0.015), treated mice having smaller tumors. The difference was not statistically significant in the group of mice measured at least to D 59 (D 59 population). On ex vivo examination, the surface of the tumor mass, measured on histologic sections, was less in the treated group, G1, than in the control groups: G2 (nanoparticles, no magnetic field), G3 (magnetic field, no nanoparticles), G4 (no nanoparticles, no magnetic field) in the D 59 population (Median left surface was significantly lower in G1 (5.6 [3.0; 42.4] mm2, p = 0.005) than in G2 (20.8 [4.9; 34.3]), G3 (16.5 [13.2; 23.2]) and G4 (14.8 [1.8; 55.5]); Median right surface was significantly lower in G1 (4.7 [1.9; 29.2] mm2, p = 0.015) than in G2 (25.0 [5.2; 55.0]), G3 (18.0 [14.6; 35.2]) and G4 (12.5 [1.5; 51.8]). There was no statistically significant difference in the day 59+ population. This is the first demonstration of the effect of stress on tumor growth in vivo suggesting that biomechanical intervention may have a high translational potential as a therapy in locally advanced tumors like pancreatic cancer or primary hepatic carcinoma for which no effective therapy is currently available.
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Barbieux C, Bacharouche J, Soussen C, Hupont S, Razafitianamaharavo A, Klotz R, Pannequin R, Brie D, Bécuwe P, Francius G, Grandemange S. DDB2 (damaged-DNA binding 2) protein: a new modulator of nanomechanical properties and cell adhesion of breast cancer cells. NANOSCALE 2016; 8:5268-79. [PMID: 26879405 DOI: 10.1039/c5nr09126h] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
DDB2, known for its role in DNA repair, was recently shown to reduce mammary tumor invasiveness by inducing the transcription of IκBα, an inhibitor of NF-κB activity. Since cellular adhesion is a key event during the epithelial to mesenchymal transition (EMT) leading to the invasive capacities of breast tumor cells, the aim of this study was to investigate the role of DDB2 in this process. Thus, using low and high DDB2-expressing MDA-MB231 and MCF7 cells, respectively, in which DDB2 expression was modulated experimentally, we showed that DDB2 overexpression was associated with a decrease of adhesion abilities on glass and plastic areas of breast cancer cells. Then, we investigated cell nanomechanical properties by atomic force microscopy (AFM). Our results revealed significant changes in the Young's Modulus value and the adhesion force in MDA-MB231 and MCF7 cells, whether DDB2 was expressed or not. The cell stiffness decrease observed in MDA-MB231 and MCF7 expressing DDB2 was correlated with a loss of the cortical actin-cytoskeleton staining. To understand how DDB2 regulates these processes, an adhesion-related gene PCR-Array was performed. Several adhesion-related genes were differentially expressed according to DDB2 expression, indicating that important changes are occurring at the molecular level. Thus, this work demonstrates that AFM technology is an important tool to follow cellular changes during tumorigenesis. Moreover, our data revealed that DDB2 is involved in early events occurring during metastatic progression of breast cancer cells and will contribute to define this protein as a new marker of metastatic progression in this type of cancer.
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Affiliation(s)
- Claire Barbieux
- Université de Lorraine, Centre de Recherche en Automatique de Nancy, CRAN, UMR 7039, Vandœuvre-lès-Nancy, F-54506, France. and CNRS, Centre de Recherche en Automatique de Nancy, CRAN, UMR 7039, Vandœuvre-lès-Nancy, F-54506, France
| | - Jalal Bacharouche
- Université de Lorraine, Laboratoire de Chimie Physique et Microbiologie pour l'Environnement, LCPME, UMR 7564, Villers-lès-Nancy, F-54600, France. and CNRS, Laboratoire de Chimie Physique et Microbiologie pour l'Environnement, LCPME, UMR 7564, Villers-lès-Nancy, F-54600, France
| | - Charles Soussen
- Université de Lorraine, Centre de Recherche en Automatique de Nancy, CRAN, UMR 7039, Vandœuvre-lès-Nancy, F-54506, France. and CNRS, Centre de Recherche en Automatique de Nancy, CRAN, UMR 7039, Vandœuvre-lès-Nancy, F-54506, France
| | - Sébastien Hupont
- CNRS, FR3209 Biologie Moléculaire Cellulaire et Thérapeutique (BMCT), Plateforme d'Imagerie Cellulaire et Tissulaire PTIBC-IBISA, Biopôle de l'Université de Lorraine, Campus Biologie-Santé, Vandœuvre-lès-Nancy, F-54506, France
| | - Angélina Razafitianamaharavo
- Université de Lorraine, Laboratoire Interdisciplinaire des Environnements Continentaux, LIEC, UMR 7360, Vandœuvre-lès-Nancy, F-54500, France and CNRS, Laboratoire Interdisciplinaire des Environnements Continentaux, LIEC, UMR 7360, Vandœuvre-lès-Nancy, F-54500, France
| | - Rémi Klotz
- Université de Lorraine, Centre de Recherche en Automatique de Nancy, CRAN, UMR 7039, Vandœuvre-lès-Nancy, F-54506, France. and CNRS, Centre de Recherche en Automatique de Nancy, CRAN, UMR 7039, Vandœuvre-lès-Nancy, F-54506, France
| | - Rémi Pannequin
- Université de Lorraine, Centre de Recherche en Automatique de Nancy, CRAN, UMR 7039, Vandœuvre-lès-Nancy, F-54506, France. and CNRS, Centre de Recherche en Automatique de Nancy, CRAN, UMR 7039, Vandœuvre-lès-Nancy, F-54506, France
| | - David Brie
- Université de Lorraine, Centre de Recherche en Automatique de Nancy, CRAN, UMR 7039, Vandœuvre-lès-Nancy, F-54506, France. and CNRS, Centre de Recherche en Automatique de Nancy, CRAN, UMR 7039, Vandœuvre-lès-Nancy, F-54506, France
| | - Philippe Bécuwe
- Université de Lorraine, Centre de Recherche en Automatique de Nancy, CRAN, UMR 7039, Vandœuvre-lès-Nancy, F-54506, France. and CNRS, Centre de Recherche en Automatique de Nancy, CRAN, UMR 7039, Vandœuvre-lès-Nancy, F-54506, France
| | - Grégory Francius
- Université de Lorraine, Laboratoire de Chimie Physique et Microbiologie pour l'Environnement, LCPME, UMR 7564, Villers-lès-Nancy, F-54600, France. and CNRS, Laboratoire de Chimie Physique et Microbiologie pour l'Environnement, LCPME, UMR 7564, Villers-lès-Nancy, F-54600, France
| | - Stéphanie Grandemange
- Université de Lorraine, Centre de Recherche en Automatique de Nancy, CRAN, UMR 7039, Vandœuvre-lès-Nancy, F-54506, France. and CNRS, Centre de Recherche en Automatique de Nancy, CRAN, UMR 7039, Vandœuvre-lès-Nancy, F-54506, France
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Abstract
Currently, biomechanics of living cells is in the focus of interest due to noticeable capability of such techniques like atomic force microscopy (AFM) to probe cellular properties at the single cell level directly on living cells. The research carried out, so far, delivered data showing, on the one hand, the use of cellular mechanics as a biomarker of various pathological changes, which, on the other hand, reveal relative nature of biomechanics. In the AFM, the elastic properties of living cells are delivered from indentation experiments and described quantitatively by Young's modulus defined here as a measure of cellular deformability. Here, the AFM studies directly comparing the mechanical properties of normal and cancerous cells are summarized and presented together with a few important issues related to the relativeness of Young's modulus.
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Affiliation(s)
- Małgorzata Lekka
- Institute of Nuclear Physics, PAS, Radzikowskiego 152, 31-342 Kraków, Poland
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De Luca AC, Dholakia K, Mazilu M. Modulated Raman Spectroscopy for Enhanced Cancer Diagnosis at the Cellular Level. SENSORS 2015; 15:13680-704. [PMID: 26110401 PMCID: PMC4507596 DOI: 10.3390/s150613680] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Revised: 05/22/2015] [Accepted: 05/24/2015] [Indexed: 11/28/2022]
Abstract
Raman spectroscopy is emerging as a promising and novel biophotonics tool for non-invasive, real-time diagnosis of tissue and cell abnormalities. However, the presence of a strong fluorescence background is a key issue that can detract from the use of Raman spectroscopy in routine clinical care. The review summarizes the state-of-the-art methods to remove the fluorescence background and explores recent achievements to address this issue obtained with modulated Raman spectroscopy. This innovative approach can be used to extract the Raman spectral component from the fluorescence background and improve the quality of the Raman signal. We describe the potential of modulated Raman spectroscopy as a rapid, inexpensive and accurate clinical tool to detect the presence of bladder cancer cells. Finally, in a broader context, we show how this approach can greatly enhance the sensitivity of integrated Raman spectroscopy and microfluidic systems, opening new prospects for portable higher throughput Raman cell sorting.
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Affiliation(s)
- Anna Chiara De Luca
- Institute of Protein Biochemistry, National Research Council, Via P. Castellino, 111, 80131 Naples, Italy.
| | - Kishan Dholakia
- SUPA, School of Physics and Astronomy, University of St Andrews, North Haugh KY16 9SS, St Andrews, UK.
| | - Michael Mazilu
- SUPA, School of Physics and Astronomy, University of St Andrews, North Haugh KY16 9SS, St Andrews, UK.
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Chen M, McReynolds N, Campbell EC, Mazilu M, Barbosa J, Dholakia K, Powis SJ. The use of wavelength modulated Raman spectroscopy in label-free identification of T lymphocyte subsets, natural killer cells and dendritic cells. PLoS One 2015; 10:e0125158. [PMID: 25992777 PMCID: PMC4439084 DOI: 10.1371/journal.pone.0125158] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Accepted: 03/20/2015] [Indexed: 12/24/2022] Open
Abstract
Determining the identity of cells of the immune system usually involves destructive fixation and chemical staining, or labeling with fluorescently labeled antibodies recognising specific cell surface markers. Completely label-free identification would be a significant advantage in conditions where untouched cells are a priority. We demonstrate here the use of Wavelength Modulated Raman Spectroscopy, to achieve label-free identification of purified, unfixed and untouched populations of major immune cell subsets isolated from healthy human donors. Using this technique we have been able to distinguish between CD4+ T lymphocytes, CD8+ T lymphocytes and CD56+ Natural Killer cells at specificities of up to 96%. Additionally, we have been able to distinguish between CD303+ plasmacytoid and CD1c+ myeloid dendritic cell subsets, the key initiator and regulatory cells of many immune responses. This demonstrates the ability to identify unperturbed cells of the immune system, and opens novel opportunities to analyse immunological systems and to develop fully label-free diagnostic technologies.
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Affiliation(s)
- Mingzhou Chen
- SUPA, School of Physics and Astronomy, University of St Andrews, Fife, KY16 9SS, United Kingdom
| | - Naomi McReynolds
- SUPA, School of Physics and Astronomy, University of St Andrews, Fife, KY16 9SS, United Kingdom
| | - Elaine C. Campbell
- School of Medicine, University of St Andrews, Fife, KY16 9TF, United Kingdom
| | - Michael Mazilu
- SUPA, School of Physics and Astronomy, University of St Andrews, Fife, KY16 9SS, United Kingdom
| | - João Barbosa
- Instituto de Engenharia Biomedica, 4150–180, Porto, Portugal
| | - Kishan Dholakia
- SUPA, School of Physics and Astronomy, University of St Andrews, Fife, KY16 9SS, United Kingdom
- * E-mail: (KD); (SJP)
| | - Simon J. Powis
- School of Medicine, University of St Andrews, Fife, KY16 9TF, United Kingdom
- * E-mail: (KD); (SJP)
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Jalilian I, Heu C, Cheng H, Freittag H, Desouza M, Stehn JR, Bryce NS, Whan RM, Hardeman EC, Fath T, Schevzov G, Gunning PW. Cell elasticity is regulated by the tropomyosin isoform composition of the actin cytoskeleton. PLoS One 2015; 10:e0126214. [PMID: 25978408 PMCID: PMC4433179 DOI: 10.1371/journal.pone.0126214] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Accepted: 03/31/2015] [Indexed: 02/07/2023] Open
Abstract
The actin cytoskeleton is the primary polymer system within cells responsible for regulating cellular stiffness. While various actin binding proteins regulate the organization and dynamics of the actin cytoskeleton, the proteins responsible for regulating the mechanical properties of cells are still not fully understood. In the present study, we have addressed the significance of the actin associated protein, tropomyosin (Tpm), in influencing the mechanical properties of cells. Tpms belong to a multi-gene family that form a co-polymer with actin filaments and differentially regulate actin filament stability, function and organization. Tpm isoform expression is highly regulated and together with the ability to sort to specific intracellular sites, result in the generation of distinct Tpm isoform-containing actin filament populations. Nanomechanical measurements conducted with an Atomic Force Microscope using indentation in Peak Force Tapping in indentation/ramping mode, demonstrated that Tpm impacts on cell stiffness and the observed effect occurred in a Tpm isoform-specific manner. Quantitative analysis of the cellular filamentous actin (F-actin) pool conducted both biochemically and with the use of a linear detection algorithm to evaluate actin structures revealed that an altered F-actin pool does not absolutely predict changes in cell stiffness. Inhibition of non-muscle myosin II revealed that intracellular tension generated by myosin II is required for the observed increase in cell stiffness. Lastly, we show that the observed increase in cell stiffness is partially recapitulated in vivo as detected in epididymal fat pads isolated from a Tpm3.1 transgenic mouse line. Together these data are consistent with a role for Tpm in regulating cell stiffness via the generation of specific populations of Tpm isoform-containing actin filaments.
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Affiliation(s)
- Iman Jalilian
- Oncology Research Unit, School of Medical Sciences, UNSW Australia, Sydney, NSW 2052, Australia
| | - Celine Heu
- Oncology Research Unit, School of Medical Sciences, UNSW Australia, Sydney, NSW 2052, Australia
- Biomedical Imaging facility, UNSW Australia, Sydney, NSW 2052, Australia
| | - Hong Cheng
- Neurodegeneration and Repair Unit, School of Medical Sciences, UNSW Australia, Sydney NSW 2052, Australia
| | - Hannah Freittag
- Neurodegeneration and Repair Unit, School of Medical Sciences, UNSW Australia, Sydney NSW 2052, Australia
| | - Melissa Desouza
- Oncology Research Unit, School of Medical Sciences, UNSW Australia, Sydney, NSW 2052, Australia
| | - Justine R. Stehn
- Oncology Research Unit, School of Medical Sciences, UNSW Australia, Sydney, NSW 2052, Australia
| | - Nicole S. Bryce
- Oncology Research Unit, School of Medical Sciences, UNSW Australia, Sydney, NSW 2052, Australia
| | - Renee M. Whan
- Biomedical Imaging facility, UNSW Australia, Sydney, NSW 2052, Australia
| | - Edna C. Hardeman
- Neuromuscular and Regenerative Medicine Unit, School of Medical Sciences, UNSW Australia, Sydney, NSW 2052, Australia
| | - Thomas Fath
- Neurodegeneration and Repair Unit, School of Medical Sciences, UNSW Australia, Sydney NSW 2052, Australia
| | - Galina Schevzov
- Oncology Research Unit, School of Medical Sciences, UNSW Australia, Sydney, NSW 2052, Australia
| | - Peter W. Gunning
- Oncology Research Unit, School of Medical Sciences, UNSW Australia, Sydney, NSW 2052, Australia
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Gaspar D, Freire JM, Pacheco TR, Barata JT, Castanho MA. Apoptotic human neutrophil peptide-1 anti-tumor activity revealed by cellular biomechanics. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2015; 1853:308-16. [DOI: 10.1016/j.bbamcr.2014.11.006] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Revised: 10/17/2014] [Accepted: 11/04/2014] [Indexed: 12/31/2022]
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Zhang C, Xu S, Zhang X, Huang D, Li R, Zhao S, Wang B. Electrochemical detection of specific DNA sequences related to bladder cancer on CdTe quantum dots modified glassy carbon electrode. J Electroanal Chem (Lausanne) 2014. [DOI: 10.1016/j.jelechem.2014.09.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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