1
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Augustyniak K, Lesniak M, Latka H, Golan MP, Kubiak JZ, Zdanowski R, Malek K. Adipose-derived mesenchymal stem cells' adipogenesis chemistry analyzed by FTIR and Raman metrics. J Lipid Res 2024; 65:100573. [PMID: 38844049 PMCID: PMC11260339 DOI: 10.1016/j.jlr.2024.100573] [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: 03/22/2024] [Revised: 05/08/2024] [Accepted: 05/28/2024] [Indexed: 07/01/2024] Open
Abstract
The full understanding of molecular mechanisms of cell differentiation requires a holistic view. Here we combine label-free FTIR and Raman hyperspectral imaging with data mining to detect the molecular cell composition enabling noninvasive monitoring of cell differentiation and identifying biochemical heterogeneity. Mouse adipose-derived mesenchymal stem cells (AD-MSCs) undergoing adipogenesis were followed by Raman and FT-IR imaging, Oil Red, and immunofluorescence. A workflow of the data analysis (IRRSmetrics4stem) was designed to identify spectral predictors of adipogenesis and test machine-learning (ML) methods (hierarchical clustering, PCA, PLSR) for the control of the AD-MSCs differentiation degree. IRRSmetrics4stem provided insights into the chemism of adipogenesis. With single-cell tracking, we established IRRS metrics for lipids, proteins, and DNA variations during AD-MSCs differentiation. The over 90% predictive efficiency of the selected ML methods proved the high sensitivity of the IRRS metrics. Importantly, the IRRS metrics unequivocally recognize a switch from proliferation to differentiation. This study introduced a new bioassay identifying molecular markers indicating molecular transformations and delivering rapid and machine learning-based monitoring of adipogenesis that can be relevant to other differentiation processes. Thus, we introduce a novel, rapid, machine learning-based bioassay to identify molecular markers of adipogenesis. It can be relevant to identification of differentiation-related molecular processes in other cell types, and beyond the cell differentiation including progression of different cellular pathophysiologies reconstituted in vitro.
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Affiliation(s)
- Karolina Augustyniak
- Department of Chemical Physics, Faculty of Chemistry, Jagiellonian University in Krakow, Krakow, Poland; Doctoral School of Exact and Natural Sciences, Jagiellonian University in Krakow, Krakow, Poland
| | - Monika Lesniak
- Laboratory of Molecular Oncology and Innovative Therapies, Military Institute of Medicine - National Research Institute, Warszawa, Poland
| | - Hubert Latka
- Department of Chemical Physics, Faculty of Chemistry, Jagiellonian University in Krakow, Krakow, Poland
| | - Maciej P Golan
- Laboratory of Molecular Oncology and Innovative Therapies, Military Institute of Medicine - National Research Institute, Warszawa, Poland; Institute of Psychology, The Maria Grzegorzewska University, Warsaw, Poland
| | - Jacek Z Kubiak
- Laboratory of Molecular Oncology and Innovative Therapies, Military Institute of Medicine - National Research Institute, Warszawa, Poland; Dynamics and Mechanics of Epithelia Group, Institute of Genetics and Development of Rennes (IGDR), Faculty of Medicine, University of Rennes, CNRS, UMR 6290, Rennes, France.
| | - Robert Zdanowski
- Laboratory of Molecular Oncology and Innovative Therapies, Military Institute of Medicine - National Research Institute, Warszawa, Poland.
| | - Kamilla Malek
- Department of Chemical Physics, Faculty of Chemistry, Jagiellonian University in Krakow, Krakow, Poland.
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2
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Wang Y, Wang Y, Lü J, Li X. Unraveling the Drug Response Heterogeneity with Single-Cell Vibrational Phenomics. Cell Biochem Biophys 2024:10.1007/s12013-024-01363-0. [PMID: 38914839 DOI: 10.1007/s12013-024-01363-0] [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] [Accepted: 06/12/2024] [Indexed: 06/26/2024]
Abstract
Drug responses heterogeneity is often highlighted to justify the need for precision medicine. However, due to the highly complex nature of cell phenotypes in many diseases, one of key challenges is how to obtain the high content features in a cellular population. Here we present a single-cell vibrational phenomics approach, integrating synchrotron infrared microspectroscopy and multivariate calculation, for quantitatively evaluating the cellular responses to drug perturbation with single cell resolution. In a human hepatocellular carcinoma HepG2 cell model, the phenotypic changes induced by two types of drugs, taxol (TAX) and protopanaxadiol (PPD), were analyzed and revealed the response heterogeneity in drug concentration and chemical components. These findings not only provide a label-free strategy for determining the drug response at the single cell level, but also demonstrate the great potential of vibrational phenomics as a drug discovery platform.
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Affiliation(s)
- Yue Wang
- Collage of Public Health, Shanghai University of Medicine & Health Sciences, Shanghai, 201318, China
- College of Pharmacy, Binzhou Medical University, Yantai, 264003, China
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Yadi Wang
- College of Pharmacy, Binzhou Medical University, Yantai, 264003, China.
| | - Junhong Lü
- College of Pharmacy, Binzhou Medical University, Yantai, 264003, China.
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201203, China.
| | - Xueling Li
- Collage of Public Health, Shanghai University of Medicine & Health Sciences, Shanghai, 201318, China.
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3
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Wang Y, Wang Y, Li X, Lü J. Vibrational phenomics decoding of the stem cell stepwise aging process at single-cell resolution. Chem Commun (Camb) 2024; 60:3263-3266. [PMID: 38389443 DOI: 10.1039/d4cc00193a] [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: 02/24/2024]
Abstract
We introduce vibrational spectroscopy to quantitatively measure the phenotypic heterogeneity of senescent stem cells in the aging process at the single cell level. Using an aging model of serially passaged human mesenchymal stem cells (MSCs), we characterized the phenotypic changes of MSCs during different aged stages and discovered a stepwise aging process with several distinct subtypes.
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Affiliation(s)
- Yue Wang
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China.
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yadi Wang
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China.
| | - Xueling Li
- Shanghai University of Medicine & Health Sciences, Shanghai 201318, China
| | - Junhong Lü
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China.
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4
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Sheng X, Xu J, Sun Y, Zhao J, Cao Y, Jiang L, Wu T, Lu H, Duan C, Hu J. Quantitative biochemical phenotypic heterogeneity of macrophages after myelin debris phagocytosis at a single cell level by synchrotron radiation fourier transform infrared microspectroscopy. Anal Chim Acta 2023; 1271:341434. [PMID: 37328242 DOI: 10.1016/j.aca.2023.341434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 05/21/2023] [Accepted: 05/26/2023] [Indexed: 06/18/2023]
Abstract
During the immuno-inflammatory pathophysiological process of spinal cord injury, traumatic brain injury, and ischemic stroke, macrophages play an important role in phagocytizing and clearing degenerated myelin debris. After phagocytizing myelin debris, the biochemical phenotypes related to the biological function of macrophages show vast heterogeneity; however, it is not fully understood. Detecting biochemical changes after myelin debris phagocytosis by macrophages at a single-cell level is helpful to characterize phenotypic and functional heterogeneity. In this study, based on the cell model of myelin debris phagocytosis by macrophages in vitro, the biochemical changes in macrophages were investigated using Synchrotron radiation-based Fourier transform infrared (SR-FTIR) microspectroscopy. Infrared spectrum fluctuations, principal component analysis, and cell-to-cell Euclidean distance statistical analysis of specific spectrum regions revealed dynamic and significant changes in proteins and lipids within macrophages after myelin debris phagocytosis. Thus, SR-FTIR microspectroscopy is a powerful identification toolkit for exploring biochemical phenotype heterogeneity transformation that may be of great importance to providing an evaluation strategy for studying cell functions related to cellular substance distribution and metabolism.
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Affiliation(s)
- Xiaolong Sheng
- The Second Department of Thoracic Surgery, Hunan Cancer Hospital/the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China; Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China
| | - Jiaqi Xu
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China
| | - Yi Sun
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China
| | - Jinyun Zhao
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China
| | - Yong Cao
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China
| | - Liyuan Jiang
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China
| | - Tianding Wu
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China
| | - Hongbin Lu
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China; Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Chunyue Duan
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China.
| | - Jianzhong Hu
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, 410008, China.
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5
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Qian J, Wang Y, Li X, Lü J. Hydrogel microenvironment contributes to chemical-induced differentiation of mesenchymal stem cells: single-cell infrared microspectroscopy characterization. Anal Bioanal Chem 2023:10.1007/s00216-023-04746-z. [PMID: 37191714 DOI: 10.1007/s00216-023-04746-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: 04/20/2023] [Revised: 05/09/2023] [Accepted: 05/10/2023] [Indexed: 05/17/2023]
Abstract
Stem cell microenvironment plays vital roles in directing cell proliferation and differentiation. Due to the tiny biochemical changes in the early stage of stem cell development, technical challenges to characterize the potential effects of environmental signals remain. In this work, we have introduced synchrotron radiation-based Fourier transform infrared microspectroscopy to evaluate the synergistic effects of physical and chemical factors on stem cell differentiation at the single-cell level. By using principal component analysis and cell-cell Euclidean distance calculation, the phenotypic heterogeneity changes during stem cell osteogenesis induced by lithium chloride or Wnt5a protein loaded in the polyvinyl alcohol (PVA) hydrogel were characterized in detail. The results demonstrated that PVA hydrogel could lead to the distinct effects between low-concentration lithium and wnt5a on human mesenchymal stem cells, suggesting a vital role of niche signals in Wnt pathway. These findings highlight the importance of microenvironment to the chemical-induced effects on stem cell differentiation and also provide a label-free, noninvasive method to sensitively identify the niche function in stem cell biology.
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Affiliation(s)
- Jiang Qian
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, 250000, China
| | - Yadi Wang
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, 250000, China
- School of Pharmacy, Binzhou Medical University, Yantai, 264003, China
| | - Xueling Li
- Shanghai University of Medicine & Health Sciences, Shanghai, 201318, China
| | - Junhong Lü
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China.
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, 250000, China.
- School of Pharmacy, Binzhou Medical University, Yantai, 264003, China.
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201203, China.
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6
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Synchrotron Infrared Microspectroscopy for Stem Cell Research. Int J Mol Sci 2022; 23:ijms23179878. [PMID: 36077277 PMCID: PMC9456088 DOI: 10.3390/ijms23179878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 08/23/2022] [Accepted: 08/23/2022] [Indexed: 11/30/2022] Open
Abstract
Stem cells have shown great potential functions for tissue regeneration and repair because of their unlimited self-renewal and differentiation. Stem cells reside in their niches, making them a hotspot for the development and diagnosis of diseases. Complex interactions between niches and stem cells create the balance between differentiation, self-renewal, maturation, and proliferation. However, the multi-facet applications of stem cells have been challenged since the complicated responses of stem cells to biological processes were explored along with the limitations of current systems or methods. Emerging evidence highlights that synchrotron infrared microspectroscopy, known as synchrotron radiation-based Fourier transform infrared microspectroscopy, has been investigated as a potentially attractive technology with its non-invasive and non-biological probes in stem cell research. With their unique vibration bands, the quantitative mapping of the content and distribution of biomolecules can be detected and characterized in cells or tissues. In this review, we focus on the potential applications of synchrotron infrared microspectroscopy for investigating the differentiation and fate determination of stem cells.
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7
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Bispo DSC, Jesus CSH, Marques IMC, Romek KM, Oliveira MB, Mano JF, Gil AM. Metabolomic Applications in Stem Cell Research: a Review. Stem Cell Rev Rep 2021; 17:2003-2024. [PMID: 34131883 DOI: 10.1007/s12015-021-10193-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2021] [Indexed: 12/17/2022]
Abstract
This review describes the use of metabolomics to study stem cell (SC) characteristics and function, excluding SCs in cancer research, suited to a fully dedicated text. The interest in employing metabolomics in SC research has consistently grown and emphasis is, here, given to developments reported in the past five years. This text informs on the existing methodologies and their complementarity regarding the information provided, comprising untargeted/targeted approaches, which couple mass spectrometry or nuclear magnetic resonance spectroscopy with multivariate analysis (and, in some cases, pathway analysis and integration with other omics), and more specific analytical approaches, namely isotope tracing to highlight particular metabolic pathways, or in tandem microscopic strategies to pinpoint characteristics within a single cell. The bulk of this review covers the existing applications in various aspects of mesenchymal SC behavior, followed by pluripotent and neural SCs, with a few reports addressing other SC types. Some of the central ideas investigated comprise the metabolic/biological impacts of different tissue/donor sources and differentiation conditions, including the importance of considering 3D culture environments, mechanical cues and/or media enrichment to guide differentiation into specific lineages. Metabolomic analysis has considered cell endometabolomes and exometabolomes (fingerprinting and footprinting, respectively), having measured both lipid species and polar metabolites involved in a variety of metabolic pathways. This review clearly demonstrates the current enticing promise of metabolomics in significantly contributing towards a deeper knowledge on SC behavior, and the discovery of new biomarkers of SC function with potential translation to in vivo clinical practice.
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Affiliation(s)
- Daniela S C Bispo
- Department of Chemistry, CICECO - Aveiro Institute of Materials (CICECO/UA), University of Aveiro, Campus Universitario de Santiago, 3810-193, Aveiro, Portugal
| | - Catarina S H Jesus
- Department of Chemistry, CICECO - Aveiro Institute of Materials (CICECO/UA), University of Aveiro, Campus Universitario de Santiago, 3810-193, Aveiro, Portugal
| | - Inês M C Marques
- Department of Chemistry, CICECO - Aveiro Institute of Materials (CICECO/UA), University of Aveiro, Campus Universitario de Santiago, 3810-193, Aveiro, Portugal
| | - Katarzyna M Romek
- Department of Chemistry, CICECO - Aveiro Institute of Materials (CICECO/UA), University of Aveiro, Campus Universitario de Santiago, 3810-193, Aveiro, Portugal
| | - Mariana B Oliveira
- Department of Chemistry, CICECO - Aveiro Institute of Materials (CICECO/UA), University of Aveiro, Campus Universitario de Santiago, 3810-193, Aveiro, Portugal
| | - João F Mano
- Department of Chemistry, CICECO - Aveiro Institute of Materials (CICECO/UA), University of Aveiro, Campus Universitario de Santiago, 3810-193, Aveiro, Portugal
| | - Ana M Gil
- Department of Chemistry, CICECO - Aveiro Institute of Materials (CICECO/UA), University of Aveiro, Campus Universitario de Santiago, 3810-193, Aveiro, Portugal.
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8
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Boonsri B, Choowongkomon K, Kuaprasert B, Thitiphatphuvanon T, Supradit K, Sayinta A, Duangdara J, Rudtanatip T, Wongprasert K. Probing the Anti-Cancer Potency of Sulfated Galactans on Cholangiocarcinoma Cells Using Synchrotron FTIR Microspectroscopy, Molecular Docking, and In Vitro Studies. Mar Drugs 2021; 19:md19050258. [PMID: 33946151 PMCID: PMC8145517 DOI: 10.3390/md19050258] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 04/24/2021] [Accepted: 04/28/2021] [Indexed: 12/13/2022] Open
Abstract
Sulfated galactans (SG) isolated from red alga Gracilaria fisheri have been reported to inhibit the growth of cholangiocarcinoma (CCA) cells, which was similar to the epidermal growth factor receptor (EGFR)-targeted drug, cetuximab. Herein, we studied the anti-cancer potency of SG compared to cetuximab. Biological studies demonstrated SG and cetuximab had similar inhibition mechanisms in CCA cells by down-regulating EGFR/ERK pathway, and the combined treatment induced a greater inhibition effect. The molecular docking study revealed that SG binds to the dimerization domain of EGFR, and this was confirmed by dimerization assay, which showed that SG inhibited ligand-induced EGFR dimer formation. Synchrotron FTIR microspectroscopy was employed to examine alterations in cellular macromolecules after drug treatment. The SR-FTIR-MS elicited similar spectral signatures of SG and cetuximab, pointing towards the bands of RNA/DNA, lipids, and amide I vibrations, which were inconsistent with the changes of signaling proteins in CCA cells after drug treatment. Thus, this study demonstrates the underlined anti-cancer mechanism of SG by interfering with EGFR dimerization. In addition, we reveal that FTIR signature spectra offer a useful tool for screening anti-cancer drugs’ effect.
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Affiliation(s)
- Boonyakorn Boonsri
- Department of Anatomy, Faculty of Science, Mahidol University, Bangkok 10400, Thailand; (B.B.); (K.S.); (A.S.); (J.D.)
| | - Kiattawee Choowongkomon
- Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand;
| | - Buabarn Kuaprasert
- Research and Facility Division, Synchrotron Light Research Institute (Public Organization), Nakhorn Ratchasima 30000, Thailand;
| | | | - Kittiya Supradit
- Department of Anatomy, Faculty of Science, Mahidol University, Bangkok 10400, Thailand; (B.B.); (K.S.); (A.S.); (J.D.)
| | - Apinya Sayinta
- Department of Anatomy, Faculty of Science, Mahidol University, Bangkok 10400, Thailand; (B.B.); (K.S.); (A.S.); (J.D.)
| | - Jinchutha Duangdara
- Department of Anatomy, Faculty of Science, Mahidol University, Bangkok 10400, Thailand; (B.B.); (K.S.); (A.S.); (J.D.)
| | - Tawut Rudtanatip
- Department of Anatomy, Faculty of Medicine, Khon Kean University, Khon Kean 40002, Thailand;
| | - Kanokpan Wongprasert
- Department of Anatomy, Faculty of Science, Mahidol University, Bangkok 10400, Thailand; (B.B.); (K.S.); (A.S.); (J.D.)
- Correspondence: ; Tel.: +66-2201-5412
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9
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Wang Y, Dai W, Liu Z, Liu J, Cheng J, Li Y, Li X, Hu J, Lü J. Single-Cell Infrared Microspectroscopy Quantifies Dynamic Heterogeneity of Mesenchymal Stem Cells during Adipogenic Differentiation. Anal Chem 2020; 93:671-676. [PMID: 33290049 DOI: 10.1021/acs.analchem.0c04110] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The central relevance of cellular heterogeneity to biological phenomena raises the rational needs for analytical techniques with single-cell resolution. Here, we developed a single-cell FTIR microspectroscopy-based method for the quantitative evaluation of cellular heterogeneity by calculating the cell-to-cell similarity distance of the infrared spectral data. Based on this method, we revealed the infrared phenotypes might reflect the dynamic heterogeneity changes in the cell population during the adipogenic differentiation of the human mesenchymal stem cells. These findings provide an alternative label-free optical approach for quantifying the cellular heterogeneity, and the combination with other single-cell analysis tools will be very helpful for understanding the genotype-to-phenotype relationship in cellular populations.
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Affiliation(s)
- Yadi Wang
- Shanghai Synchrotron Radiation Facility, Zhangjiang Laboratory, Shanghai Advanced Research Institute, Chinese Academy of Sciences, No. 239 Zhangheng Road, Pudong New District, Shanghai 201203, China.,Shanghai Institute of Applied Physics, Chinese Academy of Sciences, No. 2019 Jia Luo Road, Jiading District, Shanghai 201800, China.,University of Chinese Academy of Sciences, No.19A Yuquan Road, Shijingshan District, Beijing 100049, China
| | - Wentao Dai
- Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Huangpu District, Shanghai 200025, China.,Shanghai Center for Bioinformation Technology, No.1278 Ke Yuan Road, Pudong New District, Shanghai 201203, China
| | - Zhixiao Liu
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, No. 2019 Jia Luo Road, Jiading District, Shanghai 201800, China
| | - Jixiang Liu
- Shanghai Center for Bioinformation Technology, No.1278 Ke Yuan Road, Pudong New District, Shanghai 201203, China
| | - Jie Cheng
- Shanghai Synchrotron Radiation Facility, Zhangjiang Laboratory, Shanghai Advanced Research Institute, Chinese Academy of Sciences, No. 239 Zhangheng Road, Pudong New District, Shanghai 201203, China.,Shanghai Institute of Applied Physics, Chinese Academy of Sciences, No. 2019 Jia Luo Road, Jiading District, Shanghai 201800, China
| | - Yuanyuan Li
- Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Huangpu District, Shanghai 200025, China.,Shanghai Center for Bioinformation Technology, No.1278 Ke Yuan Road, Pudong New District, Shanghai 201203, China
| | - Xueling Li
- Shanghai University of Medicine and Health Sciences, National Engineering Research Center for Nanotechnology, No. 28 Jiangchuan East Road, Minhang District, Shanghai 201318, China
| | - Jun Hu
- Shanghai Synchrotron Radiation Facility, Zhangjiang Laboratory, Shanghai Advanced Research Institute, Chinese Academy of Sciences, No. 239 Zhangheng Road, Pudong New District, Shanghai 201203, China.,Shanghai Institute of Applied Physics, Chinese Academy of Sciences, No. 2019 Jia Luo Road, Jiading District, Shanghai 201800, China
| | - Junhong Lü
- Shanghai Synchrotron Radiation Facility, Zhangjiang Laboratory, Shanghai Advanced Research Institute, Chinese Academy of Sciences, No. 239 Zhangheng Road, Pudong New District, Shanghai 201203, China.,Shanghai Institute of Applied Physics, Chinese Academy of Sciences, No. 2019 Jia Luo Road, Jiading District, Shanghai 201800, China
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10
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Guo Y, Chen T, Wang S, Zhou X, Zhang H, Li D, Mu N, Tang M, Hu M, Tang D, Yang Z, Zhong J, Tang Y, Feng H, Zhang X, Wang H. Synchrotron Radiation-Based FTIR Microspectroscopic Imaging of Traumatically Injured Mouse Brain Tissue Slices. ACS OMEGA 2020; 5:29698-29705. [PMID: 33251405 PMCID: PMC7689661 DOI: 10.1021/acsomega.0c03285] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 09/29/2020] [Indexed: 05/07/2023]
Abstract
Traumatic brain injury (TBI) is a health problem of global concern because of its serious adverse effects on public health and social economy. A technique that can be used to precisely detect TBI is highly demanded. Here, we report on a synchrotron radiation-based Fourier transform infrared (SR-FTIR) microspectroscopic imaging technique that can be exploited to identify TBI-induced injury by examining model mouse brain tissue slices. The samples were first examined by conventional histopathological techniques including hematoxylin and eosin (H&E) staining and 2,3,5-triphenyltetrazolium chloride staining and then spectroscopically imaged by SR-FTIR. SR-FTIR results show that the contents of protein and nucleic acid in the injured region are lower than their counterparts in the normal region. The injured and normal regions can be unambiguously distinguished from each other by the principle component analysis of the SR-FTIR spectral data corresponding to protein or nucleic acid. The images built from the spectral data of protein or nucleic acid clearly present the injured region of the brain tissue, which is in good agreement with the H&E staining image and optical image of the sample. Given the label-free and fingerprint features, the demonstrated method suggests potential application of SR-FTIR spectroscopic mapping for the digital and intelligent diagnosis of TBI by providing spatial and chemical information of the sample simultaneously.
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Affiliation(s)
- Yuansen Guo
- Center of Applied
Physics & Chongqing Engineering Research Center of High-Resolution
and Three-Dimensional Dynamic Imaging Technology, Chongqing Institute
of Green and Intelligent Technology, Chinese
Academy of Sciences, Chongqing 400714, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Tunan Chen
- Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest
Hospital, Third Military Medical University
(Army Medical University), Chongqing 400038, China
| | - Shi Wang
- Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest
Hospital, Third Military Medical University
(Army Medical University), Chongqing 400038, China
| | - Xiaojie Zhou
- National
Facility for Protein Science in Shanghai, Zhangjiang Lab, Shanghai
Advanced Research Institute, Chinese Academy
of Sciences, Shanghai 201210, China
| | - Hua Zhang
- Center of Applied
Physics & Chongqing Engineering Research Center of High-Resolution
and Three-Dimensional Dynamic Imaging Technology, Chongqing Institute
of Green and Intelligent Technology, Chinese
Academy of Sciences, Chongqing 400714, China
- Chongqing School, University of Chinese Academy of Sciences, Chongqing 400714, China
| | - Dandan Li
- Center of Applied
Physics & Chongqing Engineering Research Center of High-Resolution
and Three-Dimensional Dynamic Imaging Technology, Chongqing Institute
of Green and Intelligent Technology, Chinese
Academy of Sciences, Chongqing 400714, China
| | - Ning Mu
- Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest
Hospital, Third Military Medical University
(Army Medical University), Chongqing 400038, China
| | - Mingjie Tang
- Center of Applied
Physics & Chongqing Engineering Research Center of High-Resolution
and Three-Dimensional Dynamic Imaging Technology, Chongqing Institute
of Green and Intelligent Technology, Chinese
Academy of Sciences, Chongqing 400714, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Meidie Hu
- Center of Applied
Physics & Chongqing Engineering Research Center of High-Resolution
and Three-Dimensional Dynamic Imaging Technology, Chongqing Institute
of Green and Intelligent Technology, Chinese
Academy of Sciences, Chongqing 400714, China
| | - Dongyun Tang
- Center of Applied
Physics & Chongqing Engineering Research Center of High-Resolution
and Three-Dimensional Dynamic Imaging Technology, Chongqing Institute
of Green and Intelligent Technology, Chinese
Academy of Sciences, Chongqing 400714, China
- Chongqing School, University of Chinese Academy of Sciences, Chongqing 400714, China
| | - Zhongbo Yang
- Center of Applied
Physics & Chongqing Engineering Research Center of High-Resolution
and Three-Dimensional Dynamic Imaging Technology, Chongqing Institute
of Green and Intelligent Technology, Chinese
Academy of Sciences, Chongqing 400714, China
| | - Jiajia Zhong
- National
Facility for Protein Science in Shanghai, Zhangjiang Lab, Shanghai
Advanced Research Institute, Chinese Academy
of Sciences, Shanghai 201210, China
| | - Yuzhao Tang
- National
Facility for Protein Science in Shanghai, Zhangjiang Lab, Shanghai
Advanced Research Institute, Chinese Academy
of Sciences, Shanghai 201210, China
| | - Hua Feng
- Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest
Hospital, Third Military Medical University
(Army Medical University), Chongqing 400038, China
| | - Xuehua Zhang
- Department of Chemical & Materials Engineering, University of Alberta, Alberta T6G1H9, Canada
| | - Huabin Wang
- Center of Applied
Physics & Chongqing Engineering Research Center of High-Resolution
and Three-Dimensional Dynamic Imaging Technology, Chongqing Institute
of Green and Intelligent Technology, Chinese
Academy of Sciences, Chongqing 400714, China
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11
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Wang Y, Wang Y, Qian J, Pan X, Li X, Chen F, Hu J, Lü J. Single-cell infrared phenomics: phenotypic screening with infrared microspectroscopy. Chem Commun (Camb) 2020; 56:13237-13240. [PMID: 33030170 DOI: 10.1039/d0cc05721e] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
We conceptually demonstrate single-cell infrared phenomics as a novel strategy of phenotypic screening with infrared microspectroscopy. Based on this development, the cancer cell HepG2 glycocalyx was first identified as a potential target of protopanaxadiol, an herbal medicine. These findings provide a powerful tool to accurately evaluate the cell stress response and to largely expand the phenotypic screening toolkit for drug discovery.
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Affiliation(s)
- Yadi Wang
- College of Pharmacy, Binzhou Medical University, Yantai 264003, China
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12
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Xiu J, Liu Y, Wang B, Xue Y, Chen M, Ji T, Liu H. Quantitative toxicological study of dose-dependent arsenic-induced cells via synchrotron-based STXM and FTIR measurement. Analyst 2020; 145:4560-4568. [PMID: 32432235 DOI: 10.1039/d0an00346h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Inorganic arsenic (iAs) is a well-known naturally occurring metalloid with abundant hazards to our environment, especially being a human carcinogen through arsenic-contaminated drinking water. The iAs-related contamination is usually examined by a chemical assay system or fluorescence staining technique to investigate iAs accumulation and its deleterious effects. In this work, we present a dual-modality measurement and quantitative analysis methods for the overall evaluation of various dose-dependent iAs-related cytotoxicological manifestations by the combination of the synchrotron-radiation-based scanning transmission soft X-ray microscopy (SR-STXM) and Fourier transform infrared micro-spectroscopy (SR-FTIR) techniques. The gray level co-occurrence matrix (GLCM) based machine learning was employed on SR-STXM data to quantify the cytomorphological feature changes and the dose-dependent iAs-induced feature classifications with increasing doses. The infrared spectral absorption peaks and changes of dose-dependent iAs-induced cells were obtained by the SR-FTIR technique and classified by the multi-spectral-variate principle component analysis (PCA-LDA) method, showing the separated spatial distribution of dose-dependent groups. In addition, the quantitative comparisons of trivalent and pentavalent iAs under high dose conditions (iAsIII_H & iAsV_H) demonstrated that iAsIII_H and its compounds were more toxic than iAsV_H. This method has a potential in providing the morphological and spectral characteristics evolution of the iAs-related cells or particles, revealing the actual risk of arsenic contamination and metabolism.
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Affiliation(s)
- Junshan Xiu
- School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo 255000, China.
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13
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Tabtimmai L, Srisook P, Kuaprasert B, Thumanu K, Choowongkomon K. FTIR spectra signatures reveal different cellular effects of EGFR inhibitors on nonsmall cell lung cancer cells. JOURNAL OF BIOPHOTONICS 2020; 13:e201960012. [PMID: 31595681 DOI: 10.1002/jbio.201960012] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 08/25/2019] [Accepted: 10/02/2019] [Indexed: 06/10/2023]
Abstract
ATP-analogue inhibitors, Gefitinib (Iressa) and Erlotinib (Tarceva) had been approved for advanced and metastatic nonsmall cell lung cancer (NSCLC) cells against tyrosine kinase domain of epidermal growth factor receptor (EGFR). Many techniques have been developed to better understand the drug mechanism which is multistep, time-consuming and expensive. Herein, we performed Fourier-transform infrared (FTIR) microscopy for evaluating the biochemical change on NSCLC (A549) cells after treatment. At levels that produced equivalent effects, Gefitinib dramatically induced cell apoptosis via impaired mitochondrial transmembrane potential. Whereas, Erlotinib had a slight effect on A549. Principal component analysis was performed to distinguish the effect of EGFR inhibitors on A549. FTIR spectra regions were divided into three regions: lipids (3000-2800 cm-1 ), proteins (1700-1500 cm-1 ) and carbohydrates and nuclei acids (1200-1000 cm-1 ). Biochemical changes can be evaluated by these spectral regions. This work may be a novel concept for utilizing FTIR spectroscopy for high-throughput discriminative effects of a drug or compound and its derivatives on cells.
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Affiliation(s)
- Lueacha Tabtimmai
- Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok, Thailand
| | - Pimonwan Srisook
- Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok, Thailand
| | - Buabarn Kuaprasert
- Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasrima, Thailand
| | - Kanjana Thumanu
- Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasrima, Thailand
| | - Kiattawee Choowongkomon
- Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok, Thailand
- Center for Advanced Studies in Nanotechnology for Chemical, Food and Agricultural Industries, KU Institute for Advanced Studies, Kasetsart University, Bangkok, Thailand
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14
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Wang Y, Dai W, Wang Y, Liu J, Liu Z, Li Y, Li X, Hu J, Lü J. How many cells are enough for single-cell infrared spectroscopy? Chem Commun (Camb) 2020; 56:3773-3776. [DOI: 10.1039/d0cc00067a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The similarity distance among single-cell infrared spectra reveals that at least 15 cells are required to achieve robust results with 95% confidence.
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Affiliation(s)
- Yadi Wang
- Key Laboratory of Interfacial Physics and Technology
- Shanghai Institute of Applied Physics
- Chinese Academy of Science
- Shanghai 201800
- China
| | - Wentao Dai
- Shanghai Key Laboratory of Gastric Neoplasms
- Shanghai Institute of Digestive Surgery
- Ruijin Hospital
- Shanghai Jiao Tong University School of Medicine
- Shanghai
| | - Yue Wang
- College of Pharmacy
- Binzhou Medical University
- Yantai 264003
- China
| | - Jixiang Liu
- Shanghai Center for Bioinformation Technology & Shanghai Engineering Research Center of Pharmaceutical Translation
- Shanghai Industrial Technology Institute
- Shanghai 201203
- China
| | - Zhixiao Liu
- Key Laboratory of Interfacial Physics and Technology
- Shanghai Institute of Applied Physics
- Chinese Academy of Science
- Shanghai 201800
- China
| | - Yuanyuan Li
- Shanghai Key Laboratory of Gastric Neoplasms
- Shanghai Institute of Digestive Surgery
- Ruijin Hospital
- Shanghai Jiao Tong University School of Medicine
- Shanghai
| | - Xueling Li
- Shanghai University of Medicine and Health Sciences
- National Engineering Research Center for Nanotechnology
- Shanghai 201318
- China
| | - Jun Hu
- Key Laboratory of Interfacial Physics and Technology
- Shanghai Institute of Applied Physics
- Chinese Academy of Science
- Shanghai 201800
- China
| | - Junhong Lü
- Key Laboratory of Interfacial Physics and Technology
- Shanghai Institute of Applied Physics
- Chinese Academy of Science
- Shanghai 201800
- China
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15
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Lorthongpanich C, Thumanu K, Tangkiettrakul K, Jiamvoraphong N, Laowtammathron C, Damkham N, U-Pratya Y, Issaragrisil S. YAP as a key regulator of adipo-osteogenic differentiation in human MSCs. Stem Cell Res Ther 2019; 10:402. [PMID: 31852542 PMCID: PMC6921580 DOI: 10.1186/s13287-019-1494-4] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 10/28/2019] [Accepted: 11/13/2019] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Mesenchymal stem cells (MSCs) are multipotent stem cells that are able to differentiate into several cell types, including cartilage, fat, and bone. As a common progenitor, MSC differentiation has to be tightly regulated to maintain the balance of their differentiation commitment. It has been reported that the decision process of MSCs into fat and bone cells is competing and reciprocal. Several factors have been suggested as critical factors that affect adipo-osteogenic decision, including melatonin and smad4. Yes-associated protein (YAP) is an important effector protein in the Hippo signaling pathway that acts as a transcriptional regulator by activating the transcription of the genes involved in cell proliferation and anti-apoptosis. The non-canonical role of YAP in regulating bone homeostasis by promoting osteogenesis and suppressing adipogenesis was recently demonstrated in a mouse model. However, it is unclear whether YAP is also crucial for modulating human MSC differentiation to fat and bone. METHODS The expression level of YAP during MSC differentiation was modulated using pharmaceutical molecule and genetic experiments through gain- and loss-of-function approaches. RESULTS We demonstrated for the first time that YAP has a non-canonical role in regulating the balance of adipo-osteogenic differentiation of human MSCs. The result from synchrotron radiation-based Fourier transform infrared (FTIR) microspectroscopy showed unique metabolic fingerprints generated from YAP-targeted differentiated cells that were clearly distinguished from non-manipulated control. CONCLUSIONS These results, thus, identify YAP as an important effector protein that regulates human MSC differentiation to fat and bone and suggests the use of FTIR microspectroscopy as a promising technique in stem cell research.
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Affiliation(s)
- Chanchao Lorthongpanich
- Siriraj Center of Excellence for Stem Cell Research, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand.
| | - Kanjana Thumanu
- Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasima, Thailand
| | - Kantpitchar Tangkiettrakul
- Siriraj Center of Excellence for Stem Cell Research, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
| | - Nittaya Jiamvoraphong
- Siriraj Center of Excellence for Stem Cell Research, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
| | - Chuti Laowtammathron
- Siriraj Center of Excellence for Stem Cell Research, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
| | - Nattaya Damkham
- Siriraj Center of Excellence for Stem Cell Research, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
- Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Yaowalak U-Pratya
- Siriraj Center of Excellence for Stem Cell Research, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
- Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Surapol Issaragrisil
- Siriraj Center of Excellence for Stem Cell Research, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
- Division of Hematology, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
- Bangkok Hematology Center, Wattanosoth Hospital, BDMS Center of Excellence for Cancer, Bangkok, Thailand
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16
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Wang Y, Wang Y, Huang L, Liu X, Hu J, Lü J. Evaluating the biochemical changes of LPS-stimulated endothelial cells by synchrotron FTIR microspectroscopy at a single-cell level. Anal Bioanal Chem 2019; 411:7157-7164. [PMID: 31492998 DOI: 10.1007/s00216-019-02083-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 08/11/2019] [Accepted: 08/20/2019] [Indexed: 12/27/2022]
Abstract
Endothelial damage is a major manifestation in many forms of heart and lung injuries induced by lipopolysaccharide (LPS), but the biochemical responses and activation mechanisms of endothelial cells have not been fully explicit. In this study, the biochemical changes to endothelial cells exposed to LPS were investigated by synchrotron FTIR microspectroscopy at a single-cell level. We found that the whole infrared spectrum of endothelial cells shifted after LPS treatment, indicating chemical component changes within cells. Principal component analysis (PCA) and t tests on subspectra (fatty acid region, protein region, and nucleic acid-sugar region, respectively) further showed that sugar components as well as fatty acids changed dramatically while proteins had no significant variation following LPS exposure. These results suggested that the glycocalyx layer structure on endothelial cell membrane may be mainly influenced by LPS and also proved that synchrotron FTIR microspectroscopy was a useful technique to evaluate the biochemical changes of endothelial damage at the single-cell level. Graphical abstract.
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Affiliation(s)
- Yue Wang
- College of Pharmacy, Binzhou Medical University, Yantai, 264003, Shandong, China.,Zhangjiang Lab, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Yadi Wang
- Zhangjiang Lab, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China.,CAS Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Lina Huang
- College of Pharmacy, Binzhou Medical University, Yantai, 264003, Shandong, China
| | - Xiangyong Liu
- College of Pharmacy, Binzhou Medical University, Yantai, 264003, Shandong, China.
| | - Jun Hu
- Zhangjiang Lab, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China.,CAS Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China
| | - Junhong Lü
- Zhangjiang Lab, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China. .,CAS Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China.
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17
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Zhong J, Liu Y, Ren J, Tang Y, Qi Z, Zhou X, Chen X, Shao Z, Chen M, Kaplan DL, Ling S. Understanding Secondary Structures of Silk Materials via Micro- and Nano-Infrared Spectroscopies. ACS Biomater Sci Eng 2019; 5:3161-3183. [PMID: 33405510 DOI: 10.1021/acsbiomaterials.9b00305] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The secondary structures (also termed conformations) of silk fibroin (SF) in animal silk fibers and regenerated SF materials are critical in determining mechanical performance and function of the materials. In order to understand the structure-mechanics-function relationships of silk materials, a variety of advanced infrared spectroscopic techniques, such as micro-infrared spectroscopies (micro-IR spectroscopies for short), synchrotron micro-IR spectroscopy, and nano-infrared spectroscopies (nano-IR spectroscopies for short), have been used to determine the conformations of SF in silk materials. These IR spectroscopic methods provide a useful toolkit to understand conformations and conformational transitions of SF in various silk materials with spatial resolution from the nano-scale to the micro-scale. In this Review, we first summarize progress in understanding the structure and structure-mechanics relationships of silk materials. We then discuss the state-of-the-art micro- and nano-IR spectroscopic techniques used for silk materials characterization. We also provide a systematic discussion of the strategies to collect high-quality spectra and the methods to analyze these spectra. Finally, we demonstrate the challenges and directions for future exploration of silk-based materials with IR spectroscopies.
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Affiliation(s)
- Jiajia Zhong
- National Facility for Protein Science in Shanghai, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
| | - Yawen Liu
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Jing Ren
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Yuzhao Tang
- National Facility for Protein Science in Shanghai, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
| | - Zeming Qi
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China
| | - Xiaojie Zhou
- National Facility for Protein Science in Shanghai, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
| | - Xin Chen
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Laboratory of Advanced Materials, Fudan University, Shanghai 200433, China
| | - Zhengzhong Shao
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Laboratory of Advanced Materials, Fudan University, Shanghai 200433, China
| | - Min Chen
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Shengjie Ling
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, China
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