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Xu J, Morten KJ. Raman micro-spectroscopy as a tool to study immunometabolism. Biochem Soc Trans 2024; 52:733-745. [PMID: 38477393 PMCID: PMC11088913 DOI: 10.1042/bst20230794] [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: 12/05/2023] [Revised: 02/27/2024] [Accepted: 03/04/2024] [Indexed: 03/14/2024]
Abstract
In the past two decades, immunometabolism has emerged as a crucial field, unraveling the intricate molecular connections between cellular metabolism and immune function across various cell types, tissues, and diseases. This review explores the insights gained from studies using the emerging technology, Raman micro-spectroscopy, to investigate immunometabolism. Raman micro-spectroscopy provides an exciting opportunity to directly study metabolism at the single cell level where it can be combined with other Raman-based technologies and platforms such as single cell RNA sequencing. The review showcases applications of Raman micro-spectroscopy to study the immune system including cell identification, activation, and autoimmune disease diagnosis, offering a rapid, label-free, and minimally invasive analytical approach. The review spotlights three promising Raman technologies, Raman-activated cell sorting, Raman stable isotope probing, and Raman imaging. The synergy of Raman technologies with machine learning is poised to enhance the understanding of complex Raman phenotypes, enabling biomarker discovery and comprehensive investigations in immunometabolism. The review encourages further exploration of these evolving technologies in the rapidly advancing field of immunometabolism.
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Affiliation(s)
- Jiabao Xu
- Division of Biomedical Engineering, James Watt School of Engineering, University of Glasgow, Glasgow G12 8LT, U.K
| | - Karl J Morten
- Nuffield Department of Women's and Reproductive Health, University of Oxford, The Women Centre, John Radcliffe Hospital, Headley Way, Headington, Oxford OX3 9DU, U.K
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Walther A, Stepula E, Ditzel N, Kassem M, Bergholt MS, Hedegaard MAB. In Vivo Longitudinal Monitoring of Disease Progression in Inflammatory Arthritis Animal Models Using Raman Spectroscopy. Anal Chem 2023; 95:3720-3728. [PMID: 36757324 PMCID: PMC9949228 DOI: 10.1021/acs.analchem.2c04743] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 01/23/2023] [Indexed: 02/10/2023]
Abstract
Current techniques for monitoring disease progression and testing drug efficacy in animal models of inflammatory arthritis are either destructive, time-consuming, subjective, or require ionizing radiation. To accommodate this, we have developed a non-invasive and label-free optical system based on Raman spectroscopy for monitoring tissue alterations in rodent models of arthritis at the biomolecular level. To test different sampling geometries, the system was designed to collect both transmission and reflection mode spectra. Mice with collagen antibody-induced arthritis and controls were subject to in vivo Raman spectroscopy at the tibiotarsal joint every 3 days for 14 days. Raman-derived measures of bone content correlated well with micro-computed tomography bone mineral densities. This allowed for time-resolved quantitation of bone densities, which indicated gradual bone erosion in mice with arthritis. Inflammatory pannus formation, bone erosion, and bone marrow inflammation were confirmed by histological analysis. In addition, using library-based spectral decomposition, we quantified the progression of bone and soft tissue components. In general, the tissue components followed significantly different tendencies in mice developing arthritis compared to the control group in line with the histological analysis. In total, this demonstrates Raman spectroscopy as a versatile technique for monitoring alterations to both mineralized and soft tissues simultaneously in rodent models of musculoskeletal disorders. Furthermore, the technique presented herein allows for objective repeated within-animal measurements potentially refining and reducing the use of animals in research while improving the development of novel antiarthritic therapeutics.
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Affiliation(s)
- Anders
R. Walther
- SDU
Chemical Engineering, University of Southern
Denmark, Campusvej 55, 5230 Odense, Denmark
| | - Elzbieta Stepula
- Centre
for Craniofacial and Regenerative Biology, King’s College London, SE1 9RT London, UK
| | - Nicholas Ditzel
- Molecular
Endocrinology Unit (KMEB), Department of Endocrinology, Odense University Hospital and University of Southern
Denmark, J.B. Winsløwsvej
25, 5000 Odense, Denmark
| | - Moustapha Kassem
- Molecular
Endocrinology Unit (KMEB), Department of Endocrinology, Odense University Hospital and University of Southern
Denmark, J.B. Winsløwsvej
25, 5000 Odense, Denmark
| | - Mads S. Bergholt
- Centre
for Craniofacial and Regenerative Biology, King’s College London, SE1 9RT London, UK
| | - Martin A. B. Hedegaard
- SDU
Chemical Engineering, University of Southern
Denmark, Campusvej 55, 5230 Odense, Denmark
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Callery EL, Morais CLM, Nugent L, Rowbottom AW. Classification of Systemic Lupus Erythematosus Using Raman Spectroscopy of Blood and Automated Computational Detection Methods: A Novel Tool for Future Diagnostic Testing. Diagnostics (Basel) 2022; 12:diagnostics12123158. [PMID: 36553165 PMCID: PMC9777204 DOI: 10.3390/diagnostics12123158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/08/2022] [Accepted: 12/11/2022] [Indexed: 12/16/2022] Open
Abstract
The aim of this study was to explore the proof of concept for using Raman spectroscopy as a diagnostic platform in the setting of systemic lupus erythematosus (SLE). We sought to identify unique Raman signatures in serum blood samples to successfully segregate SLE patients from healthy controls (HC). In addition, a retrospective audit was undertaken to assess the clinical utility of current testing platforms used to detect anti-double stranded DNA (dsDNA) antibodies (n = 600). We examined 234 Raman spectra to investigate key variances between SLE patients (n = 8) and HC (n = 4). Multi-variant analysis and classification model construction was achieved using principal component analysis (PCA), PCA-linear discriminant analysis and partial least squares-discriminant analysis (PLS-DA). We achieved the successful segregation of Raman spectra from SLE patients and healthy controls (p-value < 0.0001). Classification models built using PLS-DA demonstrated outstanding performance characteristics with 99% accuracy, 100% sensitivity and 99% specificity. Twelve statistically significant (p-value < 0.001) wavenumbers were identified as potential diagnostic spectral markers. Molecular assignments related to proteins and DNA demonstrated significant Raman intensity changes between SLE and HC groups. These wavenumbers may serve as future biomarkers and offer further insight into the pathogenesis of SLE. Our audit confirmed previously reported inconsistencies between two key methodologies used to detect anti-dsDNA, highlighting the need for improved laboratory testing for SLE. Raman spectroscopy has demonstrated powerful performance characteristics in this proof-of-concept study, setting the foundations for future translation into the clinical setting.
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Affiliation(s)
- Emma L. Callery
- Department of Immunology, Royal Preston Hospital, Preston PR2 9HT, UK
- Correspondence: (E.L.C.); (A.W.R.)
| | - Camilo L. M. Morais
- Institute of Chemistry, Federal University of Rio Grande do Norte, Natal 59072-970, Brazil
| | - Lucy Nugent
- Department of Immunology, Whiston Hospital, Prescot L35 5DR, UK
| | - Anthony W. Rowbottom
- Department of Immunology, Royal Preston Hospital, Preston PR2 9HT, UK
- School of Medicine, University of Central Lancashire, Preston PR1 2HE, UK
- Correspondence: (E.L.C.); (A.W.R.)
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Bhattacharjee M, Escobar Ivirico JL, Kan HM, Shah S, Otsuka T, Bordett R, Barajaa M, Nagiah N, Pandey R, Nair LS, Laurencin CT. Injectable amnion hydrogel-mediated delivery of adipose-derived stem cells for osteoarthritis treatment. Proc Natl Acad Sci U S A 2022; 119:e2120968119. [PMID: 35046053 PMCID: PMC8794776 DOI: 10.1073/pnas.2120968119] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 12/20/2021] [Indexed: 12/21/2022] Open
Abstract
Current treatment strategies for osteoarthritis (OA) predominantly address symptoms with limited disease-modifying potential. There is a growing interest in the use of adipose-derived stem cells (ADSCs) for OA treatment and developing biomimetic injectable hydrogels as cell delivery systems. Biomimetic injectable hydrogels can simulate the native tissue microenvironment by providing appropriate biological and chemical cues for tissue regeneration. A biomimetic injectable hydrogel using amnion membrane (AM) was developed which can self-assemble in situ and retain the stem cells at the target site. In the present study, we evaluated the efficacy of intraarticular injections of AM hydrogels with and without ADSCs in reducing inflammation and cartilage degeneration in a collagenase-induced OA rat model. A week after the induction of OA, rats were treated with control (phosphate-buffered saline), ADSCs, AM gel, and AM-ADSCs. Inflammation and cartilage regeneration was evaluated by joint swelling, analysis of serum by cytokine profiling and Raman spectroscopy, gross appearance, and histology. Both AM and ADSC possess antiinflammatory and chondroprotective properties to target the sites of inflammation in an osteoarthritic joint, thereby reducing the inflammation-mediated damage to the articular cartilage. The present study demonstrated the potential of AM hydrogel to foster cartilage tissue regeneration, a comparable regenerative effect of AM hydrogel and ADSCs, and the synergistic antiinflammatory and chondroprotective effects of AM and ADSC to regenerate cartilage tissue in a rat OA model.
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Affiliation(s)
- Maumita Bhattacharjee
- Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health, Farmington, CT 06030
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health, Farmington, CT 06030
- Department of Orthopaedic Surgery, University of Connecticut Health, Farmington, CT 06030
| | - Jorge L Escobar Ivirico
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health, Farmington, CT 06030
- Department of Orthopaedic Surgery, University of Connecticut Health, Farmington, CT 06030
- Department of Chemical and Biomolecular Engineering, University of Connecticut, Storrs, CT 06269
| | - Ho-Man Kan
- Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health, Farmington, CT 06030
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health, Farmington, CT 06030
- Department of Orthopaedic Surgery, University of Connecticut Health, Farmington, CT 06030
| | - Shiv Shah
- Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health, Farmington, CT 06030
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health, Farmington, CT 06030
- Department of Chemical and Biomolecular Engineering, University of Connecticut, Storrs, CT 06269
| | - Takayoshi Otsuka
- Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health, Farmington, CT 06030
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health, Farmington, CT 06030
- Department of Orthopaedic Surgery, University of Connecticut Health, Farmington, CT 06030
| | - Rosalie Bordett
- Connecticut Children's Innovation Center, School of Medicine, University of Connecticut Health, Farmington, CT 06032
| | - Mohammed Barajaa
- Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health, Farmington, CT 06030
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health, Farmington, CT 06030
- Department of Orthopaedic Surgery, University of Connecticut Health, Farmington, CT 06030
| | - Naveen Nagiah
- Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health, Farmington, CT 06030
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health, Farmington, CT 06030
- Department of Orthopaedic Surgery, University of Connecticut Health, Farmington, CT 06030
| | - Rishikesh Pandey
- Connecticut Children's Innovation Center, School of Medicine, University of Connecticut Health, Farmington, CT 06032
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269
| | - Lakshmi S Nair
- Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health, Farmington, CT 06030
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health, Farmington, CT 06030
- Department of Orthopaedic Surgery, University of Connecticut Health, Farmington, CT 06030
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269
| | - Cato T Laurencin
- Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health, Farmington, CT 06030;
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health, Farmington, CT 06030
- Department of Orthopaedic Surgery, University of Connecticut Health, Farmington, CT 06030
- Department of Chemical and Biomolecular Engineering, University of Connecticut, Storrs, CT 06269
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269
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Morris AD, Rowbottom AW, Martin FL, Woywodt A, Dhaygude AP. Biomarkers in ANCA-Associated Vasculitis: Potential Pitfalls and Future Prospects. KIDNEY360 2021; 2:586-597. [PMID: 35369011 PMCID: PMC8785998 DOI: 10.34067/kid.0006432020] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 01/18/2021] [Indexed: 02/04/2023]
Abstract
Over the past 3 decades, significant advancements in the understanding of the pathophysiology of ANCA-associated vasculitis has led to the development of a multitude of potential candidate biomarkers. Accompanied by the advent of increasingly effective therapeutic strategies, the need for a dependable biomarker to help determine the extent of disease activity and risk of relapse is ever present. Implementation of such a biomarker would enable tailored therapy, optimizing disease control while helping to mitigate unnecessary exposure to therapy and potential treatment-related damage. Although far from perfect, ANCA serology and B-cell population are the two main staple biomarker tools widely used in practice to help supplement clinical assessment. Over recent years, the application and progress of more novel biomarker tools have arisen in both organ-limited and multisystem disease, including genomics, urinary proteins, degradation products of the alternative complement system, cytokines, metabolomics, and biospectroscopy. Validation studies and clinical translation of these tools are required, with serial assessment of disease activity and determination of therapy according to biomarker status correlated with patient outcomes.
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Affiliation(s)
- Adam D. Morris
- Renal Medicine, Royal Preston Hospital, Preston, United Kingdom
| | - Anthony W. Rowbottom
- Department of Immunology, Royal Preston Hospital, Preston, United Kingdom,School of Medicine, University of Central Lancashire, Preston, United Kingdom
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Hackshaw KV, Aykas DP, Sigurdson GT, Plans M, Madiai F, Yu L, Buffington CAT, Giusti MM, Rodriguez-Saona L. Metabolic fingerprinting for diagnosis of fibromyalgia and other rheumatologic disorders. J Biol Chem 2019; 294:2555-2568. [PMID: 30523152 PMCID: PMC6378985 DOI: 10.1074/jbc.ra118.005816] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 11/28/2018] [Indexed: 12/13/2022] Open
Abstract
Diagnosis and treatment of fibromyalgia (FM) remains a challenge owing to the lack of reliable biomarkers. Our objective was to develop a rapid biomarker-based method for diagnosing FM by using vibrational spectroscopy to differentiate patients with FM from those with rheumatoid arthritis (RA), osteoarthritis (OA), or systemic lupus erythematosus (SLE) and to identify metabolites associated with these differences. Blood samples were collected from patients with a diagnosis of FM (n = 50), RA (n = 29), OA (n = 19), or SLE (n = 23). Bloodspot samples were prepared, and spectra collected with portable FT-IR and FT-Raman microspectroscopy and subjected to metabolomics analysis by ultra-HPLC (uHPLC), coupled to a photodiode array (PDA) and tandem MS/MS. Unique IR and Raman spectral signatures were identified by pattern recognition analysis and clustered all study participants into classes (FM, RA, and SLE) with no misclassifications (p < 0.05, and interclass distances > 2.5). Furthermore, the spectra correlated (r = 0.95 and 0.83 for IR and Raman, respectively) with FM pain severity measured with fibromyalgia impact questionnaire revised version (FIQR) assessments. Protein backbones and pyridine-carboxylic acids dominated this discrimination and might serve as biomarkers for syndromes such as FM. uHPLC-PDA-MS/MS provided insights into metabolites significantly differing among the disease groups, not only in molecular m/z+ and m/z- values but also in UV-visible chromatograms. We conclude that vibrational spectroscopy may provide a reliable diagnostic test for differentiating FM from other disorders and for establishing serologic biomarkers of FM-associated pain.
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Affiliation(s)
- Kevin V Hackshaw
- From the Department of Internal Medicine, Division of Rheumatology and Immunology,
| | | | | | - Marcal Plans
- the Department of Food Science and Technology, and
| | - Francesca Madiai
- From the Department of Internal Medicine, Division of Rheumatology and Immunology
| | - Lianbo Yu
- the Center of Biostatistics and Bioinformatics, Ohio State University, Columbus, Ohio 43210 and
| | - Charles A T Buffington
- the Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, California 95616
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Hobro AJ, Konishi A, Coban C, Smith NI. Raman spectroscopic analysis of malaria disease progression via blood and plasma samples. Analyst 2013; 138:3927-33. [PMID: 23529513 DOI: 10.1039/c3an00255a] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study Raman spectroscopy has been used to monitor the changes in erythrocytes and plasma during Plasmodium infection in mice, following malaria disease progression over the course of 7 days. The Raman spectra of both samples are dominated by the spectra of hemoglobin and hemozoin, due to their resonant enhancement. In plasma samples, due to the inherently low heme background, heme-based changes in the Raman spectra could be detected in the very early stages of infection, as little as one day after Plasmodium infection, where parasitemia levels were low, on the order of 0.2%, and typically difficult to detect by existing methods. Further principal component analysis also indicates concurrent erythrocyte membrane changes at around day 4, where parasitemia levels reached 3%. These results show that plasma analysis has significant potential for early, quantitative and automated detection of malaria, and to quantify heme levels in serum which modulate malarial effects on the immune system.
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Affiliation(s)
- Alison J Hobro
- Biophotonics Laboratory, Immunology Frontier Research Center (IFReC), Osaka University, 3-1 Yamada-oka, Suita, Osaka 565-0871, Japan
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