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Xiong H, Jia Z, Cao Y, Bian C, Zhu S, Lin R, Wei B, Wang Q, Li J, Yu K. Heatstroke death identification using ATR-FTIR spectroscopy combined with a novel multi-organ machine learning approach. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 325:125040. [PMID: 39213806 DOI: 10.1016/j.saa.2024.125040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 08/01/2024] [Accepted: 08/23/2024] [Indexed: 09/04/2024]
Abstract
With global warming, the number of deaths due to heatstroke has drastically increased. Nevertheless, there are still difficulties with the forensic assessment of heatstroke deaths, including the absence of particular organ pathological abnormalities and obvious traces of artificial subjective assessment. Thus, determining the cause of death for heatstroke has become a challenging task in forensic practice. In this study, hematoxylin-eosin (HE) staining, attenuated total reflection-Fourier transform infrared spectroscopy (ATR-FTIR), and machine learning algorithms were utilized to screen the target organs of heatstroke and generate a multi-organ combination identification model of the cause of death. The hypothalamus (HY), hippocampus (HI), lung, and spleen are thought to be the target organs among the ten organs in relation to heatstroke death. Subsequently, the single-organ and multi-organ combined models were established, and it was found that the multi-organ combined approach yielded the most precise model, with a cross-validation accuracy of 1 and a test-set accuracy of 0.95. Additionally, the primary absorption peaks in the spectrum that differentiate heatstroke from other common causes of death are found in Amide I, Amide II, δ CH2, and vas PO2- in HI, δ CH2, vs PO2-, v C-O, and vs C-N+-C in HY, Amide I, δ CH2, vs COO-, and Amide III in lung, Amide I and Amide II in spleen, respectively. Overall, this research offers a novel technical approach for determining the heatstroke death as well as crucial evidence for judicial identification.
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Affiliation(s)
- Hongli Xiong
- Department of Forensic Medicine, Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing 400016, China
| | - Zijie Jia
- Department of Forensic Medicine, Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing 400016, China
| | - Yuhang Cao
- Department of Forensic Medicine, Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing 400016, China
| | - Cunhao Bian
- Department of Forensic Medicine, Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing 400016, China
| | - Shisheng Zhu
- Faculty of Basic Medical Sciences, Chongqing Medical and Pharmaceutical College, Chongqing 401331, China
| | - Ruijiao Lin
- Department of Forensic Medicine, Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing 400016, China
| | - Bi Wei
- Department of Forensic Medicine, Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing 400016, China
| | - Qi Wang
- Department of Forensic Medicine, Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing 400016, China
| | - Jianbo Li
- Department of Forensic Medicine, Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing 400016, China.
| | - Kai Yu
- Department of Forensic Medicine, Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing 400016, China.
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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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Al‐Kelani M, Buthelezi N. Advancements in medical research: Exploring Fourier Transform Infrared (FTIR) spectroscopy for tissue, cell, and hair sample analysis. Skin Res Technol 2024; 30:e13733. [PMID: 38887131 PMCID: PMC11182784 DOI: 10.1111/srt.13733] [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: 01/03/2024] [Accepted: 04/24/2024] [Indexed: 06/20/2024]
Abstract
BACKGROUND Fourier Transform Infrared (FTIR) spectroscopy has emerged as a powerful analytical tool in medical research, offering non-invasive and precise examination of the molecular composition of biological samples. The primary objective of this review is to underscore the benefits of FTIR spectroscopy in medicinal research, emphasizing its ability to delineate molecular fingerprints and assist in the identification of biochemical structures and key peaks in biological samples. METHODS This review comprehensively explores the diverse applications of FTIR spectroscopy in medical investigations, with a specific focus on its utility in analyzing tissue, cells, and hair samples. Various sources, including Google Scholar, PubMed, WorledCat and Scopus, were utilized to conduct this comprehensive literature review. RESULTS Recent advancements showcase the versatility of FTIR spectroscopy in elucidating cellular and molecular processes, facilitating disease diagnostics, and enabling treatment monitoring. Notably, FTIR spectroscopy has found significant utility in clinical assessment, particularly in screening counterfeit medicines, owing to its user-friendly operation and minimal sample preparation requirements. Furthermore, customs officials can leverage this technique for preliminary analysis of suspicious samples. CONCLUSION This review aims to bridge a gap in the literature and serve as a valuable resource for future research endeavors in FTIR spectroscopy within the medical domain. Additionally, it presents fundamental concepts of FTIR spectroscopy and spectral data interpretation, highlighting its utility as a tool for molecular analysis using Mid-Infrared (MIR) radiation.
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Affiliation(s)
- Madeha Al‐Kelani
- Hair and Skin Research LaboratoryDivision of DermatologyGroote Schuur HospitalCape TownSouth Africa
- Faculty of Health SciencesUniversity of Cape TownCape TownSouth Africa
| | - Ntandoyenkosi Buthelezi
- Hair and Skin Research LaboratoryDivision of DermatologyGroote Schuur HospitalCape TownSouth Africa
- Faculty of Health SciencesUniversity of Cape TownCape TownSouth Africa
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Güler G, Acikgoz E, Mukhtarova G, Oktem G. Biomolecular fingerprints of the effect of zoledronic acid on prostate cancer stem cells: Comparison of 2D and 3D cell culture models. Arch Biochem Biophys 2024; 753:109920. [PMID: 38307315 DOI: 10.1016/j.abb.2024.109920] [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: 09/21/2023] [Revised: 12/23/2023] [Accepted: 01/30/2024] [Indexed: 02/04/2024]
Abstract
Revealing the potential of candidate drugs against different cancer types without disrupting normal cells depends on the drug mode of action. In the current study, the drug response of prostate cancer stem cells (PCSCs) to zoledronic acid (ZOL) grown in two-dimensional (2D) and three-dimensional (3D) culture systems was compared using Fourier transform-infrared (FT-IR) spectroscopy which is a vibrational spectroscopic technique, supporting by biochemical assays and imaging techniques. Based on our data, in 2D cell culture conditions, the ZOL treatment of PCSCs isolated according to both C133 and CD44 cell surface properties induced early/late apoptosis and suppressed migration ability. The CD133 gene expression and protein levels were altered, depending on culture systems. CD133 expression was significantly reduced in 2D cells upon ZOL treatment. FT-IR data revealed that the integrity, fluidity, and ordering/disordering states of the cell membrane and nucleic acid content were altered in both 2D and 3D cells after ZOL treatment. Regular protein structures decrease in 2D cells while glycogen and protein contents increase in 3D cells, indicating a more pronounced cytotoxic effect of ZOL for 2D cells. Untreated 3D PCSCs exhibited an even different spectral profile associated with IR signals of lipids, proteins, nucleic acids, and glycogen in comparison to untreated 2D cells. Our study revealed significant differences in the drug response and cellular constituents between 2D and 3D cells. Exploring molecular targets and/or drug-action mechanisms is significant in cancer treatment approaches; thus, FT-IR spectroscopy can be successfully applied as a novel drug-screening method in clinical research.
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Affiliation(s)
- Günnur Güler
- Biophysics Laboratory, Department of Physics, Izmir Institute of Technology, Urla, 35433, Izmir, Turkey.
| | - Eda Acikgoz
- Department of Histology and Embryology, Faculty of Medicine, Van Yuzuncu Yil University, 65080, Van, Turkey.
| | - Günel Mukhtarova
- Department of Basic Oncology, Faculty of Medicine, Ege University, 35550, Izmir, Turkey
| | - Gulperi Oktem
- Department of Histology and Embryology, Faculty of Medicine, Ege University, 35100, Izmir, Turkey
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He X, Bian C, Wang H, Zhang Y, Ding X, Li H, Wang Q, Li J. Extrapolation study for determining the time since injury in a rat subcutaneous hematoma model utilizing ATR-FTIR spectroscopy. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:1272-1280. [PMID: 38323628 DOI: 10.1039/d3ay01898a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
The determination of the time of an injury has been a major problem in forensic science due to the lack of objective, reliable and portable methods. In this study, a subcutaneous hemorrhage model in rats was established over six days, and attenuated total reflection-Fourier transform infrared (ATR-FTIR) spectroscopy coupled with chemometrics was used to determine the time since injury. Initial principal component analysis (PCA) showed variance among hematoma sites. Subsequently, spectral data were acquired to establish a dependable partial least square (PLS) regression model with predictive abilities. The root mean square error of cross-validation (RMSECV) and the root mean square error of prediction (RMSEP) values produced by a genetic algorithm (GA) were 0.64 d (R2 = 0.88) and 0.57 d (R2 = 0.90), respectively. Few variables were involved in the model, and significantly better results were obtained in comparison to the conventional full-spectrum PLS model. In combination with the results of variable importance in projection (VIP) scores, all components, including proteins, nucleic acids and phospholipids, provided inferences regarding the samples at different time points; additionally, amide I and II bands represented the secondary structure of proteins and provided the largest contribution. Based on our preliminary study, the combination of swift and nondamaging ATR-FTIR spectroscopy with chemometrics could prove to be an advantageous approach for gauging the age of an injury in the forensic field.
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Affiliation(s)
- Xin He
- Department of Forensic Medicine, Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing, 400016, China.
| | - Cunhao Bian
- Department of Forensic Medicine, Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing, 400016, China.
| | - Hanting Wang
- Department of Forensic Medicine, Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing, 400016, China.
| | - Yongtai Zhang
- Department of Forensic Medicine, Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing, 400016, China.
| | - Xuan Ding
- Department of Forensic Medicine, Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing, 400016, China.
| | - Hongwei Li
- Technical Department of Interpol Corps of the Chongqing Public Bureau, Chongqing, China
| | - Qi Wang
- Department of Forensic Medicine, Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing, 400016, China.
| | - Jianbo Li
- Department of Forensic Medicine, Faculty of Basic Medical Sciences, Chongqing Medical University, Chongqing, 400016, China.
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Kamińska K, Wiercigroch E, Małek K, Grzesiak M. Biomolecular composition of porcine ovarian follicles following in vitro treatment of vitamin D 3 and insulin alone or in combination. Reprod Biol 2023; 23:100818. [PMID: 37862827 DOI: 10.1016/j.repbio.2023.100818] [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: 08/24/2023] [Revised: 10/12/2023] [Accepted: 10/14/2023] [Indexed: 10/22/2023]
Abstract
The study aimed to analyze changes in biomolecular composition of granulosa and theca interna cells of porcine ovarian follicles following in vitro treatment of vitamin D3 and insulin alone or in combination. Medium antral follicles (n = 4/each group) were cultured alone (C; control) or in the presence of 1α,25(OH)2D3 (VD; 100 ng/mL) and insulin (I; 10 ng/mL) separately or in combination, VD and I (VD+I). Then paraplast-embedded ovarian follicles were used for Fourier Transform Infrared (FTIR) spectroscopy and respective histological stainings. FTIR analysis revealed changes in the content of fibrous proteins (mainly collagens) within theca interna following vitamin D3 and insulin co-administration that was verified by Masson's trichrome staining. Treatment-dependent differences were also observed in the secondary structure of proteins, indicating enhanced conversion to α-helices in response to vitamin D3 and insulin action/interaction in both follicular compartments. In the granulosa and theca interna layers, tendency to lower DNA content in the VD+I group was noted and confirmed by Fulgen's staining. Finally, altered monosaccharides production in both follicular layers was found. Based on FTIR results, it is possible to attribute the observed alterations to biological processes that could be regulated by vitamin D3 and insulin in the porcine ovarian follicles.
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Affiliation(s)
- Kinga Kamińska
- Doctoral School of Exact and Natural Sciences, Jagiellonian University, Poland; Department of Endocrinology, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30-387 Krakow, Poland
| | - Ewelina Wiercigroch
- Department of Chemical Physics, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Kamilla Małek
- Department of Chemical Physics, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Małgorzata Grzesiak
- Department of Endocrinology, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30-387 Krakow, Poland.
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Dirat B, Samouillan V, Dandurand J, Gardou JP, Walter V, Santran V. Positive effects of hypoxic preconditioning of the extracellular matrix and stromal vascular fraction from adipose tissue. JPRAS Open 2023; 38:173-185. [PMID: 37920282 PMCID: PMC10618624 DOI: 10.1016/j.jpra.2023.09.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 09/23/2023] [Indexed: 11/04/2023] Open
Abstract
Background Numerous approaches have been developed to decelerate the aging process of facial skin. Synthetic fillers and cell-enriched fat grafts are the main procedures employed to fill wrinkles. Objective The aim of this study was to evaluate the in vitro and in vivo safety and efficiency of a new process developed by SYMBIOKEN: the AmeaCell, which facilitates the extraction of the stromal vascular fraction (SVF) and the associated hypoxia pre-conditioned matrix to promote fat graft survival. Methods The AmeaCell device allows the extraction from adipose tissue of SVF and pre-conditioned MatriCS and promotes a hypoxic environment. Experiments were carried out on human cells and then in mice. Results Characterization of cells and MatriCS showed that after their extraction using the new process developed by SYMBIOKEN, the extracted cells expressed stem-cell markers. The presence of characteristic proteins and lipid fractions found in the adipose matrix were confirmed in MatriCS. Cobalt chloride treatment of the matrix using the AmeaCell device induced modifications in the matrix composition with a decrease in laminin and without collagen modification, both of which promote adhesion and differentiation of SVF or adipose-derived stromal cells. The combination of MatriCS and SVF (1 × 106 and 5 × 106, respectively) is safe and efficient to fill winkles induced by UVB irradiation. The cross-talk between MatriCS and SVF can act a durable filler compared to the filling performed using cells or matrix or fat alone, which need to be replaced frequently. Conclusion These results indicate that the combination of MatriCS and SVF is safe and effective as a biological filler for achieving skin rejuvenation and wrinkle filling.
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Affiliation(s)
- Béatrice Dirat
- SYMBIOKEN, 42 avenue du Général de Croutte, 31100 Toulouse, France
| | - Valérie Samouillan
- PHYPOL, CIRIMAT, Institut Carnot Chimie Balard CIRIMAT, Université de Toulouse, Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse, France
| | - Jany Dandurand
- PHYPOL, CIRIMAT, Institut Carnot Chimie Balard CIRIMAT, Université de Toulouse, Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse, France
| | - Jean-Pierre Gardou
- LAPLACE, Université de Toulouse, CNRS, INPT, Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse, France
| | - Valérie Walter
- Department of Plastic and Reconstructive Surgery, Clinique la Croix du Sud, 31130 Quint Fonsegrive, France
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Stefani S, Govoni M, Tombolesi N, Vivarelli L, Dallari D, Paolantoni M, Sassi P, Morresi A. Extracorporeal membrane oxygenation and effects on tendon tissue: A vibrational spectroscopy study. JOURNAL OF BIOPHOTONICS 2023; 16:e202300163. [PMID: 37528685 DOI: 10.1002/jbio.202300163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 07/10/2023] [Accepted: 07/30/2023] [Indexed: 08/03/2023]
Abstract
Extracorporeal membrane oxygenation (ECMO) is an invasive medical technique used to provide life support in persons with insufficient cardiac and respiratory functionalities, or to preserve, postmortem, and organ function addressing organ/tissue transplant. Although a lot of information is available about organs in their entirety, the safety and effectiveness of allogeneic tissues collected from ECMO donors have not been fully elucidated. In this preliminary study, samples of tibial and peroneal human tendons were analyzed along their length with Raman microspectroscopy and attenuated total reflection-Fourier transform infrared micro-imaging. Both techniques evidenced a different chemical composition in the terminal with respect to the central part of the tendon. Thus, a differentiated analysis was performed depending on the specific position with respect to the bone or the muscle junctions. Spectroscopic analyses showed significant differences in the characteristics of the extracellular matrix between tendons from ECMO and non-ECMO donors, suggesting changes in the amino acid (proline and hydroxyproline) content and protein structure.
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Affiliation(s)
- Sara Stefani
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
| | - Marco Govoni
- Reconstructive Orthopaedic Surgery and Innovative Techniques-Musculoskeletal Tissue Bank, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Niki Tombolesi
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
| | - Leonardo Vivarelli
- Reconstructive Orthopaedic Surgery and Innovative Techniques-Musculoskeletal Tissue Bank, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Dante Dallari
- Reconstructive Orthopaedic Surgery and Innovative Techniques-Musculoskeletal Tissue Bank, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Marco Paolantoni
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
| | - Paola Sassi
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
| | - Assunta Morresi
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
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Samouillan V, Garcia E, Benitez-Amaro A, La Chica Lhoëst MT, Dandurand J, Actis Dato V, Guerra JM, Escolà-Gil JC, Chiabrando G, Enrich C, Llorente-Cortes V. Inhibitory Effects of LRP1-Based Immunotherapy on Cardiac Extracellular Matrix Biophysical Alterations Induced by Hypercholesterolemia. J Med Chem 2023; 66:6251-6262. [PMID: 37116069 PMCID: PMC10184115 DOI: 10.1021/acs.jmedchem.2c02103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
The accumulation of lipids in cardiomyocytes contributes to cardiac dysfunction. The specific blockage of cardiomyocyte cholesteryl ester (CE) loading by antibodies (Abs) against the P3 sequence (Gly1127-Cys1140) of the LRP1 receptor improves cardiac insulin sensitivity. The impact of anti-P3 Abs on high-fat diet (HFD)-induced cardiac extracellular matrix (ECM) biophysical alterations was analyzed. Both IrP (without Abs) and P3-immunized rabbits (with Abs) were randomized into groups fed either HFD or a standard chow diet. Cardiac lipids, proteins, and carbohydrates were characterized by Fourier transform infrared spectroscopy in the attenuated total reflectance mode. The hydric organization and physical structure were determined by differential scanning calorimetry. HFD increased the levels of esterified lipids, collagen, and α-helical structures and upregulated fibrosis, bound water, and ECM plasticization in the heart. The inhibitory effect of anti-P3 Abs on cardiac CE accumulation was sufficient to reduce the collagen-filled extracellular space, the level of fibrosis, and the amount of bound water but did not counteract ECM plasticization in the heart of hypercholesterolemic rabbits.
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Affiliation(s)
- Valerie Samouillan
- CIRIMAT, Université de Toulouse, Université Paul Sabatier, Equipe PHYPOL, 31062 Toulouse, France
| | - Eduardo Garcia
- Biomedical Research Institute Sant Pau (IIB SANTPAU), Universitat Autonoma de Barcelona, 08041 Barcelona, Spain
- Institute of Biomedical Research of Barcelona (IIBB)-Spanish National Research Council (CSIC), 08036 Barcelona, Spain
| | - Aleyda Benitez-Amaro
- Biomedical Research Institute Sant Pau (IIB SANTPAU), Universitat Autonoma de Barcelona, 08041 Barcelona, Spain
- Institute of Biomedical Research of Barcelona (IIBB)-Spanish National Research Council (CSIC), 08036 Barcelona, Spain
| | - Maria Teresa La Chica Lhoëst
- Biomedical Research Institute Sant Pau (IIB SANTPAU), Universitat Autonoma de Barcelona, 08041 Barcelona, Spain
- Institute of Biomedical Research of Barcelona (IIBB)-Spanish National Research Council (CSIC), 08036 Barcelona, Spain
| | - Jany Dandurand
- CIRIMAT, Université de Toulouse, Université Paul Sabatier, Equipe PHYPOL, 31062 Toulouse, France
| | - Virginia Actis Dato
- Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, X5000HUA Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI), Godoy Cruz, 2290 Buenos Aires, Argentina
| | - Jose Maria Guerra
- Department of Cardiology, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB-SANTPAU), Universitat Autonoma de Barcelona, 08025 Barcelona, Spain
- CIBERCV, Institute of Health Carlos III, 28029 Madrid, Spain
| | - Joan Carles Escolà-Gil
- Metabolic Basis of Cardiovascular Risk, Biomedical Research Institute Sant Pau (IIB Sant Pau), 08041 Barcelona, Spain
- CIBER de Diabetes y enfermedades Metabólicas Asociadas (CIBERDEM), 28029 Madrid, Spain
| | - Gustavo Chiabrando
- Instituto Universitario de Ciencias Biomédicas de Córdoba (IUCBC), Centro de Investigación en Medicina Translacional Severo R. Amuchástegui (CIMETSA), G. V. al Instituto de Investigación Médica Mercedes y Martín Ferreyra (INIMEC-CONICET-UNC), X5016KEJ Córdoba, Argentina
| | - Carlos Enrich
- Unitat de Biologia Cellular, Departament de Biomedicina, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, 08036 Barcelona, Spain
- Centre de Recerca Biomèdica CELLEX, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
| | - Vicenta Llorente-Cortes
- Biomedical Research Institute Sant Pau (IIB SANTPAU), Universitat Autonoma de Barcelona, 08041 Barcelona, Spain
- Institute of Biomedical Research of Barcelona (IIBB)-Spanish National Research Council (CSIC), 08036 Barcelona, Spain
- CIBERCV, Institute of Health Carlos III, 28029 Madrid, Spain
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Chen YT, Huang PY, Chai CY, Yu S, Hsieh YL, Chang HC, Kuo CW, Lee YC, Yu HS. Early detection of the initial stages of LED light-triggered non-alcoholic fatty liver disease by wax physisorption kinetics-Fourier transform infrared imaging. Analyst 2023; 148:643-653. [PMID: 36621928 DOI: 10.1039/d2an01546c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Light-emitting diodes (LEDs), particularly in the blue waveform range, are regarded as a major source of circadian rhythm dysregulation. A circadian rhythm dysregulation induced by blue LEDs is associated with non-alcoholic fatty liver disease (NAFLD). Hepatocellular accumulation of lipids is a key event in the early stages of NAFLD. Kupffer cells (KCs) have been reported to be lost in the early onset of NAFLD followed by an inflammatory reaction that alters the liver response to lipid overload. This study focused on the detection of the initial stages (subpathological stages) of LED light-triggered NAFLD. Mice were exposed to either blue or white LED irradiation for 44 weeks. Synchrotron radiation-based Fourier-transform infrared microspectroscopy (SR-FTIRM) and wax physisorption kinetic-Fourier transform infrared (WPK-FTIR) imaging were used to evaluate the ratio of lipid to protein and the glycosylation of glycoprotein, respectively. Immunohistopathological studies on KCs and circadian-related proteins were performed. Although liver biopsy showed normal pathology, an SR-FTIRM study revealed a high hepatic lipid-to-protein ratio after receiving LED illumination. The results of WPK-FTIR demonstrated that a high inflammation index was found in the high irradiance of the blue LED illumnation group. These groups showed a decrease in KC number and an increase in Bmal1 and Reverbα circadian protein expression. These findings provide explanations for the reduction of KCs without subsequent inflammation. A significant reduction of Per2 and Cry1 expression is correlated with the findings of WPK-FTIR imaging. WPK-FTIR is a sensitive method for detecting initiative stages of NAFLD induced by long-term blue LED illumination.
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Affiliation(s)
- Yi-Ting Chen
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.,Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.,Department of Pathology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Pei-Yu Huang
- Life Science Group, National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan
| | - Chee-Yin Chai
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.,Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.,Department of Pathology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.,Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan
| | - Sebastian Yu
- Department of Dermatology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan. .,Department of Dermatology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Yu-Lin Hsieh
- Department of Anatomy, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.,School of Post-Baccalaureate Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.,Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
| | - Hao-Chao Chang
- Taiwan Instrument Research Institute, National Applied Research Laboratories, Hsinchu 30205, Taiwan
| | - Chin-Wei Kuo
- Life Science Group, National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan
| | - Yao-Chang Lee
- Life Science Group, National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan.,Department of Optics and Photonics, National Central University, Taoyuan 320317, Taiwan.,Chemistry Department, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Hsin-Su Yu
- Department of Dermatology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan. .,National Institute of Environmental Health Sciences, National Health Research Institutes, Miaoli County 35053, Taiwan.,Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
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11
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Wu H, Li Z, Liang X, Chen R, Yu K, Wei X, Wang G, Cai W, Li H, Sun Q, Wang Z. Pathological and ATR-FTIR spectral changes of delayed splenic rupture and medical significance. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 278:121286. [PMID: 35526439 DOI: 10.1016/j.saa.2022.121286] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 04/13/2022] [Accepted: 04/16/2022] [Indexed: 06/14/2023]
Abstract
Traumatic delayed splenic rupture often follows by a "latent period" without typical symptoms after injury. During this period, though there are no obvious symptoms, the injury is still present and changing. In this study, we constructed an SD rat model of delayed splenic rupture; evaluated the model by HE staining, Perl's staining, Masson trichrome staining and immunohistochemical staining; observed the pathological changes of spleen tissue in delayed splenic rupture at different times after splenic injury; we found that pathological change of injured tissues were different from non-injured, and has phases-change patterns, it can be roughly divided into three phases: 2-7 d, 10-14 d, and 18-28.We then investigated the relationship between the pathological changes and FTIR spectroscopy by chemometric methods. The main distinction of injured and non-injured tissue was the protein secondary structure of amide I, and the main distinctions of different phases of delayed splenic rupture were protein secondary structures and content of amide I and amide II.A classification model developed by SVM-DA was used to infer three phases (2-7 days, 10-12 days and 14-28 days). According to the most probable class, the accuracy of external validation is 96.7%. The results indicate that FTIR spectroscopy combined with various types of pathological staining has a potential for forensic identification and can provide theoretical support and diagnostic reference on clinical persistent injury.
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Affiliation(s)
- Hao Wu
- Department of Forensic Pathology, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Zefeng Li
- Department of Forensic Pathology, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Xinggong Liang
- Department of Forensic Pathology, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Run Chen
- Department of Forensic Pathology, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Kai Yu
- Department of Forensic Pathology, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Xin Wei
- Department of Forensic Pathology, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Gongji Wang
- Department of Forensic Pathology, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Wumin Cai
- Department of Forensic Pathology, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Huiyu Li
- Department of Forensic Pathology, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Qinru Sun
- Department of Forensic Pathology, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China.
| | - Zhenyuan Wang
- Department of Forensic Pathology, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China.
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12
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Deciphering the Biochemical Similarities and Differences Among Human Neuroglial Cells and Glioma Cells Using Fourier Transform Infrared Spectroscopy. World Neurosurg 2022; 168:e562-e569. [DOI: 10.1016/j.wneu.2022.10.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 10/09/2022] [Accepted: 10/10/2022] [Indexed: 11/11/2022]
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13
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Kołodziej M, Kaznowska E, Paszek S, Cebulski J, Barnaś E, Cholewa M, Vongsvivut J, Zawlik I. Characterisation of breast cancer molecular signature and treatment assessment with vibrational spectroscopy and chemometric approach. PLoS One 2022; 17:e0264347. [PMID: 35263369 PMCID: PMC8906614 DOI: 10.1371/journal.pone.0264347] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 02/08/2022] [Indexed: 11/18/2022] Open
Abstract
Triple negative breast cancer (TNBC) is regarded as the most aggressive breast cancer subtype with poor overall survival and lack of targeted therapies, resulting in many patients with recurrent. The insight into the detailed biochemical composition of TNBC would help develop dedicated treatments. Thus, in this study Fourier Transform Infrared microspectroscopy combined with chemometrics and absorbance ratios investigation was employed to compare healthy controls with TNBC tissue before and after chemotherapy within the same patient. The primary spectral differences between control and cancer tissues were found in proteins, polysaccharides, and nucleic acids. Amide I/Amide II ratio decrease before and increase after chemotherapy, whereas DNA, RNA, and glycogen contents increase before and decrease after the treatment. The chemometric results revealed discriminatory features reflecting a clinical response scheme and proved the chemotherapy efficacy assessment with infrared spectroscopy is possible.
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Affiliation(s)
| | - Ewa Kaznowska
- Centre for Innovative Research in Medical and Natural Sciences, Medical College of Rzeszow University, Rzeszow, Poland
- Department of Pathology, Medical College of Rzeszow University, Rzeszow, Poland
| | - Sylwia Paszek
- Centre for Innovative Research in Medical and Natural Sciences, Medical College of Rzeszow University, Rzeszow, Poland
- Department of Genetics, Institution of Experimental and Clinical Medicine, University of Rzeszow, Poland
| | - Józef Cebulski
- Centre for Innovation and Transfer of Natural Sciences and Engineering Knowledge, University of Rzeszow, Rzeszow, Poland
| | - Edyta Barnaś
- Institute of Obstetrics and Emergency Medicine, Medical College of Rzeszow University, Rzeszow, Poland
| | - Marian Cholewa
- Centre for Innovation and Transfer of Natural Sciences and Engineering Knowledge, University of Rzeszow, Rzeszow, Poland
| | | | - Izabela Zawlik
- Centre for Innovative Research in Medical and Natural Sciences, Medical College of Rzeszow University, Rzeszow, Poland
- Department of Genetics, Institution of Experimental and Clinical Medicine, University of Rzeszow, Poland
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14
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Lin H, Wang Z, Luo Y, Sun Q, Shen Y, Huang P. Post-mortem evaluation of the pathological degree of myocardial infarction by Fourier transform infrared microspectroscopy. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 268:120630. [PMID: 34815176 DOI: 10.1016/j.saa.2021.120630] [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: 08/23/2021] [Revised: 10/18/2021] [Accepted: 11/11/2021] [Indexed: 06/13/2023]
Abstract
In clinical and forensic investigations, accurate post-mortem diagnosis of the pathological degree of myocardial infarction (MI) is critical. However, because of the observer variability, the diagnosis cannot be made objectively. Many studies have shown that Fourier transform infrared (FTIR) microspectroscopy is non-invasive, observer-independent, and label-free when analyzing biological tissues. In this study, we used FTIR microspectroscopy in combination with intelligent algorithms to identify the pathological phases in human infarcted cardiac tissues, including ischemia, necrotic, granulation, and fibrotic stages. First, a comparison of infrared spectra corresponding to infarcted tissue pathological categories revealed various spectral properties. The results of unsupervised principal component analysis (PCA) revealed a clear distinction between these four pathological stages and the normal stage. Then, to identify these five stages, an automatic artificial neural network (ANN) classifier was effectively created. Finally, two-dimensional pseudo-color images of two infarcted cardiac tissue sections visualized via the ANN classifier showed great agreement with their histological images. These findings demonstrate that FTIR microspectroscopy has the potential for the post-mortem evaluation of the pathological degree of MI.
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Affiliation(s)
- Hancheng Lin
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Zhenyuan Wang
- Department of Forensic Pathology, Xi'an Jiaotong University, Xi'an 710061, China
| | - Yiwen Luo
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Institute of Forensic Science, Ministry of Justice, PRC, Shanghai 200063, China
| | - Qiran Sun
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Institute of Forensic Science, Ministry of Justice, PRC, Shanghai 200063, China
| | - Yiwen Shen
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China.
| | - Ping Huang
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China; Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Institute of Forensic Science, Ministry of Justice, PRC, Shanghai 200063, China. @ssfjd.cn
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15
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Early cardiac-chamber-specific fingerprints in heart failure with preserved ejection fraction detected by FTIR and Raman spectroscopic techniques. Sci Rep 2022; 12:3440. [PMID: 35236899 PMCID: PMC8891318 DOI: 10.1038/s41598-022-07390-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 02/11/2022] [Indexed: 11/09/2022] Open
Abstract
The pathophysiology of heart failure with preserved ejection fraction (HFpEF) is a matter of investigation and its diagnosis remains challenging. Although the mechanisms that are responsible for the development of HFpEF are not fully understood, it is well known that nearly 80% of patients with HFpEF have concomitant hypertension. We investigated whether early biochemical alterations were detectable during HFpEF progression in salt-induced hypertensive rats, using Fourier-transformed infrared (FTIR) and Raman spectroscopic techniques as a new diagnostic approach. Greater protein content and, specifically, greater collagen deposition were observed in the left atrium and right ventricle of hypertensive rats, together with altered metabolism of myocytes. Additionally, Raman spectra indicated a conformational change, or different degree of phosphorylation/methylation, in tyrosine-rich proteins. A correlation was found between tyrosine content and cardiac fibrosis of both right and left ventricles. Microcalcifications were detected in the left and right atria of control animals, with a progressive augmentation from six to 22 weeks. A further increase occurred in the left ventricle and right atrium of 22-week salt-fed animals, and a positive correlation was shown between the mineral deposits and the cardiac size of the left ventricle. Overall, FTIR and Raman techniques proved to be sensitive to early biochemical changes in HFpEF and preceded clinical humoral and imaging markers.
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16
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Köktürk M, Atalar MN, Odunkıran A, Bulut M, Alwazeer D. Evaluation of the hydrogen-rich water alleviation potential on mercury toxicity in earthworms using ATR-FTIR and LC-ESI-MS/MS spectroscopy. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:19642-19656. [PMID: 34718956 DOI: 10.1007/s11356-021-17230-x] [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: 01/26/2021] [Accepted: 10/22/2021] [Indexed: 06/13/2023]
Abstract
The toxic effects of mercury in earthworms and the potential alleviation effect of hydrogen-rich water (HRW) using ATR-FTIR and LC-MS analysis methods were investigated. Different concentrations of mercury chloride (H1: 5 µg/mL, H2: 10 µg/mL, H3: 20 µg/mL, H4: 40 µg/mL, and C1: control) and mercury chloride prepared in hydrogen-rich water (H5: 5 µg/mL, H6: 10 µg/mL, H7: 20 µg/mL, H8: 40 µg/mL, and C2: control) were injected into earthworms. The changes and reductions in some bands representing proteins, lipids, and polysaccharides (3280 cm-1, 2922 cm-1, 2855 cm-1, 1170 cm-1, and 1047 cm-1) showed that protective effects could occur in groups prepared with hydrogen-rich water. In the FTIR results, it was found that these bands in the H3 group were more affected and decreased by the influence of mercury on earthworms than the H7 group prepared with hydrogen. LC-MS analysis showed that the changes in some ions of the highest dose groups (H4 and H8) were different, and mercury caused oxidative DNA damage in earthworms. When the high-level application groups of mercury, i.e., H4 and H8 were compared with the controls, the ion exchange ([M + H] + ; m/z 283.1) representing the 8-Oxo-dG level in earthworms was higher in the H4 group than the H8 group. This reveals that HRW exhibited the potential ability to alleviate the toxic effects of mercury; however, a longer period of HRW treatment may be necessary to distinguish an obvious effect. The ATR-FTIR spectroscopy provided a rapid and precise method for monitoring the changes in biological tissues caused by a toxic compound at the molecular level.
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Affiliation(s)
- Mine Köktürk
- Department of Organic Agriculture Management, College of Applied Sciences, Igdir University, 76000, Igdir, Turkey
- Research Laboratory Application and Research Center (ALUM), Iğdır University, 76000, Iğdır, Turkey
| | - Mehmet Nuri Atalar
- Department of Nutrition and Dietetic, Faculty of Health Sciences, Iğdır University, 76000, Iğdır, Turkey
| | - Arzu Odunkıran
- Department of Hotel, Restaurant and Catering Services, Igdir University, 76000, Igdir, Turkey
| | - Menekşe Bulut
- Department of Food Engineering, Faculty of Engineering, Iğdır University, 76000, Iğdır, Turkey
- Research Center for Redox Applications in Foods (RCRAF), Iğdır University, 76000, Iğdır, Turkey
- Innovative Food Technologies Development, Application and Research Center, Igdir University, 76000, Iğdır, Turkey
| | - Duried Alwazeer
- Department of Nutrition and Dietetic, Faculty of Health Sciences, Iğdır University, 76000, Iğdır, Turkey.
- Research Center for Redox Applications in Foods (RCRAF), Iğdır University, 76000, Iğdır, Turkey.
- Innovative Food Technologies Development, Application and Research Center, Igdir University, 76000, Iğdır, Turkey.
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17
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Yang X, Wei X, Yu K, Wan C, Wang Y, Huang S, Sun Q, Huang J. Identification of myocardial fibrosis by ATR-FTIR spectroscopy combined with chemometrics. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 264:120238. [PMID: 34384995 DOI: 10.1016/j.saa.2021.120238] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 05/12/2021] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
Different degrees of myocardial fibrosis can often be observed in sudden cardiac death cases, so that the identification of myocardial fibrosis is an important step in forensics to identify cardiac death. Previous methods are restricted by complex algorithms, high cost, low sensitivity and high requirements. Attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy is an efficient and rapid method to identify tissue types, which has been used increasingly in forensics. This study aims to identify novel biophysical biomarkers of myocardial fibrosis and establish a prediction model by using ATR-FTIR analysis combined with chemometrics. A total of 129 tissue blocks taken from human hearts were cut into slices, and then ATR-FTIR spectroscopy and hematoxylin and eosin (HE) staining were performed. By using HE staining, the samples were divided into the experimental group (with myocardial fibrosis) and the control group (without myocardial fibrosis). The chemometrics classification results showed that the sensitivity and specificity of the training dataset were 0.91 and 1.0 respectively, and the sensitivity and specificity of the predictive dataset were 0.862 and 0.900. This study demonstrated that ATR-FTIR spectroscopy combined with chemometrics is a novel method for identifying myocardial fibrosis.
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Affiliation(s)
- Xiaorong Yang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, Guizhou, 550025, PR China
| | - Xin Wei
- College of Medicine & Forensics, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, PR China
| | - Kai Yu
- College of Medicine & Forensics, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, PR China
| | - Changwu Wan
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, Guizhou, 550025, PR China
| | - Yuanhe Wang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, Guizhou, 550025, PR China
| | - Shimei Huang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, Guizhou, 550025, PR China
| | - Qinru Sun
- College of Medicine & Forensics, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, PR China.
| | - Jiang Huang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, Guizhou, 550025, PR China.
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18
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Li Z, Ma J, Wang Q, Zhang K, Sun X, Cai H, Wang Z. Quantitative Characterization of Pulmonary Fat Emboli by Attenuated Total Reflectance–Fourier Transform Infrared (ATR-FTIR) Spectroscopy and Partial Least-Squares (PLS) Regression: A Preliminary Study. ANAL LETT 2021. [DOI: 10.1080/00032719.2021.1986717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Zhouru Li
- Department of Forensic Pathology, School of Medicine, Xi'an Jiaotong University, Xi'an, China
- Department of Forensic Medicine, Xuzhou Medical University, Xuzhou, China
- Shanghai Key Lab of Forensic Medicine, Key Lab of Forensic Science, Ministry of Justice, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai, China
| | - Jingyuan Ma
- Department of Forensic Medicine, Xuzhou Medical University, Xuzhou, China
| | - Qi Wang
- Department of Forensic Medicine, College of Basic Medicine, Chongqing Medical University, Chongqing, China
| | - Kai Zhang
- Department of Forensic Pathology, School of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Xiaoming Sun
- Department of Forensic Medicine, Xuzhou Medical University, Xuzhou, China
| | - Hongxing Cai
- Department of Forensic Medicine, Xuzhou Medical University, Xuzhou, China
| | - Zhenyuan Wang
- Department of Forensic Pathology, School of Medicine, Xi'an Jiaotong University, Xi'an, China
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19
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Kujdowicz M, Mech B, Chrabaszcz K, Chlosta P, Okon K, Malek K. FTIR Spectroscopic Imaging Supports Urine Cytology for Classification of Low- and High-Grade Bladder Carcinoma. Cancers (Basel) 2021; 13:cancers13225734. [PMID: 34830887 PMCID: PMC8616357 DOI: 10.3390/cancers13225734] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 11/08/2021] [Accepted: 11/10/2021] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Human urine cytological samples were investigated using Fourier transform infrared spectroscopic imaging in terms of recognition of bladder cancer. The clustering of IR spectra of whole cytological smears revealed very good spectral correlation with normal urothelial cell features. Next, the combination of spectral information derived from unsupervised hierarchical cluster analysis and partial least square discriminant analysis (PLS-DA) classified normal vs. low- and high-grade bladder urothelial carcinoma with sensitivity and specificity of 90–97%. Abstract Bladder urothelial carcinoma (BC) is a common, recurrent, life-threatening, and unpredictable disease which is difficult to diagnose. These features make it one of the costliest malignancies. Although many possible diagnostic methods are available, molecular heterogeneity and difficulties in cytological or histological examination induce an urgent need to improve diagnostic techniques. Herein, we applied Fourier transform infrared spectroscopy in imaging mode (FTIR) to investigate patients’ cytology samples assigned to normal (N), low-grade (LG) and high-grade (HG) BC. With unsupervised hierarchical cluster analysis (UHCA) and hematoxylin-eosin (HE) staining, we observed a correlation between N cell types and morphology. High-glycogen superficial (umbrella) and low-glycogen piriform urothelial cells, both with normal morphology, were observed. Based on the spectra derived from UHCA, principal component analysis (PCA) and partial least squares discriminant analysis (PLS-DA) were performed, indicating a variation of protein content between the patient groups. Moreover, BC spectral cytology identified a low number of high-glycogen cells for which a shift of the carbohydrate/phosphate bands was also observed. Despite high cellular heterogeneity, PLS-DA was able to classify the spectra obtained. The voided urine FTIR cytology is one of the options that might be helpful in BC diagnosis, as high sensitivity and specificity up to 97% were determined.
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Affiliation(s)
- Monika Kujdowicz
- Department of Pathomorphology, Faculty of Medicine, Jagiellonian University Medical College, Grzegorzecka 16, 31-531 Krakow, Poland;
- Faculty of Chemistry, Jagiellonian University in Krakow, Gronostajowa 2, 30-387 Krakow, Poland; (B.M.); (K.C.)
| | - Brygida Mech
- Faculty of Chemistry, Jagiellonian University in Krakow, Gronostajowa 2, 30-387 Krakow, Poland; (B.M.); (K.C.)
| | - Karolina Chrabaszcz
- Faculty of Chemistry, Jagiellonian University in Krakow, Gronostajowa 2, 30-387 Krakow, Poland; (B.M.); (K.C.)
- Department of Experimental Physics of Complex Systems, Institute of Nuclear Physics, Polish Academy of Sciences, Radzikowskiego 152, 31-342 Krakow, Poland
| | - Piotr Chlosta
- Department of Urology, Faculty of Medicine, Jagiellonian University Medical College, Jakubowskiego 2, 30-688 Krakow, Poland;
| | - Krzysztof Okon
- Department of Pathomorphology, Faculty of Medicine, Jagiellonian University Medical College, Grzegorzecka 16, 31-531 Krakow, Poland;
- Correspondence: (K.O.); (K.M.)
| | - Kamilla Malek
- Faculty of Chemistry, Jagiellonian University in Krakow, Gronostajowa 2, 30-387 Krakow, Poland; (B.M.); (K.C.)
- Correspondence: (K.O.); (K.M.)
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20
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Moissidou D, Derricott H, Kamel G. Mummified embalmed head skin: SR-FTIR microspectroscopic exploration. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 261:120073. [PMID: 34147735 DOI: 10.1016/j.saa.2021.120073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 06/06/2021] [Accepted: 06/09/2021] [Indexed: 06/12/2023]
Abstract
This case report details the examination of the skin of an Egyptian mummified head with a possible skin disorder. The head, thought to be dated in the first half of the 18th Dynasty, New Kingdom (1570-1400 BCE) belongs to the Museum of Forensic Anthropology, University of Madrid. Initial histological examination demonstrated evidence of chronic inflammation, which was confirmed by immunohistochemistry and Transmission Electron Microscopy (TEM). However, confirmation of pathology could be confounded by both the age of the specimen and the process of preservation by mummification. In this case report, Synchrotron Radiation Fourier Transform Microspectroscopy (SR-µFTIR) was used to add novel insights into embalmed mummified tissue. More precisely, FTIR is used for the first time on the specific specimens, while no other similar studies have been performed on these samples priorly. Additionally, modern skin tissue was examined too, in order to compare the amount of degradation to the mummified one. Whilst the FTIR results confirmed the results from the initial histological study, they also showed a biochemical modification of the mummified skin that could be indicative of tissue degradation. The latter was supported by comparing it to FTIR results of the modern tissue used.
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Affiliation(s)
- Despina Moissidou
- Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Malta Campus, Malta
| | - Hayley Derricott
- Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Malta Campus, Malta
| | - Gihan Kamel
- SESAME (Synchrotron-light for Experimental Science and Applications in the Middle East), Allan, Jordan; Department of Physics, Faculty of Science, Helwan University, Cairo, Egypt.
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21
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Gouarderes S, Ober C, Doumard L, Dandurand J, Vicendo P, Fourquaux I, Golberg A, Samouillan V, Gibot L. Pulsed electric fields induce extracellular matrix remodeling through MMPs activation and decreased collagen production. J Invest Dermatol 2021; 142:1326-1337.e9. [PMID: 34688615 DOI: 10.1016/j.jid.2021.09.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 09/10/2021] [Accepted: 09/28/2021] [Indexed: 11/15/2022]
Affiliation(s)
- Sara Gouarderes
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France
| | - Camille Ober
- CIRIMAT UMR 5085, Université de Toulouse, Université Toulouse III - Paul Sabatier, France
| | - Layal Doumard
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France
| | - Jany Dandurand
- CIRIMAT UMR 5085, Université de Toulouse, Université Toulouse III - Paul Sabatier, France
| | - Patricia Vicendo
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France
| | - Isabelle Fourquaux
- Centre de Microscopie Électronique Appliquée à la Biologie, CMEAB, 133 route de Narbonne, 31062 Toulouse, France
| | - Alexander Golberg
- Porter School of Environment and Earth Sciences Studies, Tel Aviv University, Tel Aviv, Israel
| | - Valérie Samouillan
- CIRIMAT UMR 5085, Université de Toulouse, Université Toulouse III - Paul Sabatier, France
| | - Laure Gibot
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
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22
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Zadka Ł, Chrabaszcz K, Buzalewicz I, Wiercigroch E, Glatzel-Plucińska N, Szleszkowski Ł, Gomułkiewicz A, Piotrowska A, Kurnol K, Dzięgiel P, Jurek T, Malek K. Molecular profiling of the intestinal mucosa and immune cells of the colon by multi-parametric histological techniques. Sci Rep 2021; 11:11309. [PMID: 34050214 PMCID: PMC8163794 DOI: 10.1038/s41598-021-90761-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 05/17/2021] [Indexed: 02/07/2023] Open
Abstract
The impact of the post-mortem interval (PMI) on the optical molecular characteristics of the colonic mucosa and the gut-associated lymphoid tissue (GALT) were examined by multi-parametric measurements techniques. Inflammatory cells were identified by immunohistochemical staining. Molecular parameters were estimated using the Raman spectroscopy (RS) and Fourier Transform Infrared (FTIR) spectroscopic imaging. The 3D refractive index (3D-RI) distributions of samples were determined using the digital holographic tomography. The distribution of immune cells between post-mortem (PM) and normal controls did show significant differences for CD4 (P = 0.0016) or CD8 (P < 0.0001), whose expression level was decreased in PM cases. No association was found between individual PMI values and inflammatory cell distribution. However, there was a tendency for a negative correlation between CD4+ cells and PMI (r = - 0.542, P = 0.032). The alterations ongoing in post-mortem tissue may suggest that PMI has a suppressive effect on the effector properties of the cell-mediated immunity. Moreover, it was confirmed that spectroscopic and digital holotomographic histology are also a useful technique for characterization of the differences in inflammation of varying intensity and in GALT imaging in a solid tissue. Anatomical location of immune cells and methods of tissue fixation determine the molecular and optical parameters of the examined cases.
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Affiliation(s)
- Łukasz Zadka
- grid.4495.c0000 0001 1090 049XHistology and Embryology Division, Department of Human Morphology and Embryology, Wroclaw Medical University, Chałubińskiego 6a, 50-368 Wrocław, Poland
| | - Karolina Chrabaszcz
- grid.5522.00000 0001 2162 9631Faculty of Chemistry, Jagiellonian University in Krakow, Krakow, Poland
| | - Igor Buzalewicz
- grid.7005.20000 0000 9805 3178Bio-Optics Group, Department of Biomedical Engineering, Faculty of Fundamental Problems of Technology, Wrocław University of Science and Technology, 27 Wybrzeże S. Wyspiańskiego St., 50-370, Wroclaw, Poland
| | - Ewelina Wiercigroch
- grid.5522.00000 0001 2162 9631Faculty of Chemistry, Jagiellonian University in Krakow, Krakow, Poland
| | - Natalia Glatzel-Plucińska
- grid.4495.c0000 0001 1090 049XHistology and Embryology Division, Department of Human Morphology and Embryology, Wroclaw Medical University, Chałubińskiego 6a, 50-368 Wrocław, Poland
| | - Łukasz Szleszkowski
- grid.4495.c0000 0001 1090 049XDepartment of Forensic Medicine, Forensic Medicine Unit, Wroclaw Medical University, Wroclaw, Poland
| | - Agnieszka Gomułkiewicz
- grid.4495.c0000 0001 1090 049XHistology and Embryology Division, Department of Human Morphology and Embryology, Wroclaw Medical University, Chałubińskiego 6a, 50-368 Wrocław, Poland
| | - Aleksandra Piotrowska
- grid.4495.c0000 0001 1090 049XHistology and Embryology Division, Department of Human Morphology and Embryology, Wroclaw Medical University, Chałubińskiego 6a, 50-368 Wrocław, Poland
| | - Krzysztof Kurnol
- grid.4495.c0000 0001 1090 049XHistology and Embryology Division, Department of Human Morphology and Embryology, Wroclaw Medical University, Chałubińskiego 6a, 50-368 Wrocław, Poland ,grid.4495.c0000 0001 1090 049XDepartment of General and Oncological Surgery, Wroclaw Medical University, Wrocław, Poland
| | - Piotr Dzięgiel
- grid.4495.c0000 0001 1090 049XHistology and Embryology Division, Department of Human Morphology and Embryology, Wroclaw Medical University, Chałubińskiego 6a, 50-368 Wrocław, Poland
| | - Tomasz Jurek
- grid.4495.c0000 0001 1090 049XDepartment of Forensic Medicine, Forensic Medicine Unit, Wroclaw Medical University, Wroclaw, Poland
| | - Kamilla Malek
- grid.5522.00000 0001 2162 9631Faculty of Chemistry, Jagiellonian University in Krakow, Krakow, Poland
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23
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Mistek-Morabito E, Lednev IK. Discrimination of menstrual and peripheral blood traces using attenuated total reflection Fourier transform-infrared (ATR FT-IR) spectroscopy and chemometrics for forensic purposes. Anal Bioanal Chem 2021; 413:2513-2522. [PMID: 33580831 DOI: 10.1007/s00216-021-03206-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 12/23/2020] [Accepted: 01/29/2021] [Indexed: 12/22/2022]
Abstract
Body fluid traces can provide highly valuable clues in forensic investigations. In particular, bloodstains are a common occurrence in criminal investigation, and the discrimination of menstrual and peripheral blood is a crucial step for casework involving rape and sexual assault. Most of the current protocols require the detection of characteristic menstrual blood components using sophisticated procedures that need to be performed in a laboratory. The present study uses attenuated total reflection Fourier transform-infrared (ATR FT-IR) spectroscopy as a nondestructive technique for discriminating menstrual and peripheral blood traces. This method incorporates statistical analysis and was evaluated by internal and external validation testing. A partial least squares discriminant analysis (PLSDA) classification model was created for differentiating the two types of blood in a binary manner. Excellent separation between menstrual and peripheral blood samples was achieved during internal validation. External validation resulted in 100% accuracy for predicting a sample as peripheral or menstrual blood. This study demonstrates that ATR FT-IR spectroscopy combined with chemometrics is a reliable approach for rapid and nondestructive discrimination of menstrual and peripheral bloodstains. It offers a significant advantage to forensic science due to the availability of portable instruments and the potential for bloodstain analysis at a crime scene. Graphical abstract.
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Affiliation(s)
- Ewelina Mistek-Morabito
- Department of Chemistry, University at Albany, State University of New York, 1400 Washington Avenue, Albany, NY, 12222, USA
| | - Igor K Lednev
- Department of Chemistry, University at Albany, State University of New York, 1400 Washington Avenue, Albany, NY, 12222, USA.
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24
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Chrabaszcz K, Kaminska K, Song CL, Morikawa J, Kujdowicz M, Michalczyk E, Smeda M, Stojak M, Jasztal A, Kazarian SG, Malek K. Fourier Transform Infrared Polarization Contrast Imaging Recognizes Proteins Degradation in Lungs upon Metastasis from Breast Cancer. Cancers (Basel) 2021; 13:cancers13020162. [PMID: 33418894 PMCID: PMC7825053 DOI: 10.3390/cancers13020162] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/18/2020] [Accepted: 01/01/2021] [Indexed: 01/19/2023] Open
Abstract
Simple Summary Several lung extracellular matrix (ECM) proteins are involved in the formation of a metastatic niche in pulmonary metastasis and they accompany the cancer progression. Its gradual remodeling does not induce compositional changes of its components, but it is related to the re-distribution of individual proteins, their cross-linking and spatial arrangement within the tissue. The combination of FTIR and FTIR polarization contrast (PCI) imaging, as rapid, non-destructive, and label-free techniques, allows for the determination of protein alternations occurring in lungs that are affected by breast cancer metastasis. Both have the potential to characterize biochemical changes of the metastatic target, can determine phenotypes of tissue structures, and deliver a novel spectroscopic marker panel for the recognition of metastasis environment. Abstract The current understanding of mechanisms underlying the formation of metastatic tumors has required multi-parametric methods. The tissue micro-environment in secondary organs is not easily evaluated due to complex interpretation with existing tools. Here, we demonstrate the detection of structural modifications in proteins using emerging Fourier Transform Infrared (FTIR) imaging combined with light polarization. We investigated lungs affected by breast cancer metastasis in the orthotopic murine model from the pre-metastatic phase, through early micro-metastasis, up to an advanced phase, in which solid tumors are developed in lung parenchyma. The two IR-light polarization techniques revealed, for the first time, the orientational ordering of proteins upon the progression of pulmonary metastasis of breast cancer. Their distribution was complemented by detailed histological examination. Polarized contrast imaging recognised tissue structures of lungs and showed deformations in protein scaffolds induced by inflammatory infiltration, fibrosis, and tumor growth. This effect was recognised by not only changes in absorbance of the spectral bands but also by the band shifts and the appearance of new signals. Therefore, we proposed this approach as a useful tool for evaluation of progressive and irreversible molecular changes that occur sequentially in the metastatic process.
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Affiliation(s)
- Karolina Chrabaszcz
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2 St., 30-387 Krakow, Poland; (K.C.); (K.K.); (M.K.); (E.M.)
| | - Katarzyna Kaminska
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2 St., 30-387 Krakow, Poland; (K.C.); (K.K.); (M.K.); (E.M.)
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Bobrzynskiego 14 St., 30-384 Krakow, Poland; (M.S.); (M.S.); (A.J.)
| | - Cai Li Song
- Department of Chemical Engineering, Imperial London College, South Kensington Campus, London SW72AZ, UK;
| | - Junko Morikawa
- School of Materials and Chemical Technology, Tokyo Institute of Technology, Tokyo 152-8550, Japan;
| | - Monika Kujdowicz
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2 St., 30-387 Krakow, Poland; (K.C.); (K.K.); (M.K.); (E.M.)
- Department of Pathomorphology, Medical Faculty, Jagiellonian University Medical College, Grzegorzecka 16 St., 31-531 Krakow, Poland
| | - Ewelina Michalczyk
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2 St., 30-387 Krakow, Poland; (K.C.); (K.K.); (M.K.); (E.M.)
| | - Marta Smeda
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Bobrzynskiego 14 St., 30-384 Krakow, Poland; (M.S.); (M.S.); (A.J.)
| | - Marta Stojak
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Bobrzynskiego 14 St., 30-384 Krakow, Poland; (M.S.); (M.S.); (A.J.)
| | - Agnieszka Jasztal
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Bobrzynskiego 14 St., 30-384 Krakow, Poland; (M.S.); (M.S.); (A.J.)
| | - Sergei G. Kazarian
- Department of Chemical Engineering, Imperial London College, South Kensington Campus, London SW72AZ, UK;
- Correspondence: (S.G.K.); (K.M.)
| | - Kamilla Malek
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2 St., 30-387 Krakow, Poland; (K.C.); (K.K.); (M.K.); (E.M.)
- Correspondence: (S.G.K.); (K.M.)
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25
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In Vitro Spectroscopy-Based Profiling of Urothelial Carcinoma: A Fourier Transform Infrared and Raman Imaging Study. Cancers (Basel) 2021; 13:cancers13010123. [PMID: 33401726 PMCID: PMC7796146 DOI: 10.3390/cancers13010123] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/17/2020] [Accepted: 12/21/2020] [Indexed: 11/21/2022] Open
Abstract
Simple Summary The mortality and recurrence associated with urothelial carcinoma are high. High heterogeneity makes it hard to detect with currently available methods such as cytology and histology. We propose here vibrational spectroscopic imaging as an additional diagnostic tool for the classification of bladder cancer. Our study revealed that chemism-induced spectroscopic features of the cancer cells of various stages and invasiveness were specifically detected. Abstract Markers of bladder cancer cells remain elusive, which is a major cause of the low recognition of this malignant neoplasm and its recurrence. This implies an urgent need for additional diagnostic tools which are based on the identification of the chemism of bladder cancer. In this study, we employed label-free techniques of molecular imaging—Fourier Transform Infrared and Raman spectroscopic imaging—to investigate bladder cancer cell lines of various invasiveness (T24a, T24p, HT-1376, and J82). The urothelial HCV-29 cell line was the healthy control. Specific biomolecules discriminated spatial distribution of the nucleus and cytoplasm and indicated the presence of lipid bodies and graininess in some cell lines. The most prominent discriminators are the total content of lipids and sugar moieties as well as the presence of glycogen and other carbohydrates, un/saturated lipids, cytochromes, and a level of S-S bridges in proteins. The combination of the obtained hyperspectral database and chemometric methods showed a clear differentiation of each cell line at the level of the nuclei and cytoplasm and pointed out spectral signals which differentiated bladder cancer cells. Registered spectral markers correlated with biochemical composition changes can be associated with pathogenesis and potentially used for the diagnosis of bladder cancer and response to experimental therapies.
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26
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Discrimination between human and animal blood by attenuated total reflection Fourier transform-infrared spectroscopy. Commun Chem 2020; 3:178. [PMID: 36703343 PMCID: PMC9814708 DOI: 10.1038/s42004-020-00424-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 10/30/2020] [Indexed: 01/29/2023] Open
Abstract
Forensic chemistry is an important area of analytical chemistry. This field has been rapidly growing over the last several decades. Confirmation of the human origins of bloodstains is important in practical forensics. Current serological blood tests are destructive and often provide false positive results. Here, we report on the development of a nondestructive method that could potentially be applied at the scene for differentiation of human and animal blood using attenuated total reflection Fourier transform-infrared (ATR FT-IR) spectroscopy and statistical analysis. The following species were used to build statistical models for binary human-animal blood differentiation: cat, dog, rabbit, horse, cow, pig, opossum, and raccoon. Three other species (deer, elk, and ferret) were used for external validation. A partial least squares discriminant analysis (PLSDA) was used for classification purposes and showed excellent performance in internal cross-validation (CV). The method was externally validated first using blood samples from new donors of species used in the training data set, and second using donors of new species that were not used to construct the model. Both validations showed excellent results demonstrating potential of the developed approach for nondestructive, rapid, and statistically confident discrimination between human and animal blood for forensic purposes.
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27
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Perut F, Graziani G, Columbaro M, Caudarella R, Baldini N, Granchi D. Citrate Supplementation Restores the Impaired Mineralisation Resulting from the Acidic Microenvironment: An In Vitro Study. Nutrients 2020; 12:E3779. [PMID: 33317151 PMCID: PMC7763163 DOI: 10.3390/nu12123779] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/30/2020] [Accepted: 12/04/2020] [Indexed: 12/25/2022] Open
Abstract
Chronic metabolic acidosis leads to bone-remodelling disorders based on excessive mineral matrix resorption and inhibition of bone formation, but also affects the homeostasis of citrate, which is an essential player in maintaining the acid-base balance and in driving the mineralisation process. This study aimed to investigate the impact of acidosis on the osteogenic properties of bone-forming cells and the effects of citrate supplementation in restoring the osteogenic features impaired by the acidic milieu. For this purpose, human mesenchymal stromal cells were cultured in an osteogenic medium and the extracellular matrix mineralisation was analysed at the micro- and nano-level, both in neutral and acidic conditions and after treatment with calcium citrate and potassium citrate. The acidic milieu significantly decreased the citrate release and hindered the organisation of the extracellular matrix, but the citrate supplementation increased collagen production and, particularly calcium citrate, promoted the mineralisation process. Moreover, the positive effect of citrate supplementation was observed also in the physiological microenvironment. This in vitro study proves that the mineral matrix organisation is influenced by citrate availability in the microenvironment surrounding bone-forming cells, thus providing a biological basis for using citrate-based supplements in the management of bone-remodelling disorders related to chronic low-grade acidosis.
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Affiliation(s)
- Francesca Perut
- Biomedical Science and Technology Lab, IRCCS Istituto Ortopedico Rizzoli, via di Barbiano 1/10, 40136 Bologna, Italy; (F.P.); (N.B.)
| | - Gabriela Graziani
- Laboratory of Nanobiotechnology, IRCCS Istituto Ortopedico Rizzoli, via di Barbiano 1/10, 40136 Bologna, Italy;
| | - Marta Columbaro
- Electron Microscopy Platform, IRCCS Istituto Ortopedico Rizzoli, via di Barbiano 1/10, 40136 Bologna, Italy;
| | - Renata Caudarella
- Maria Cecilia Hospital, GVM Care and Research, Via Corriera 1, 48033 Cotignola (RA), Italy;
| | - Nicola Baldini
- Biomedical Science and Technology Lab, IRCCS Istituto Ortopedico Rizzoli, via di Barbiano 1/10, 40136 Bologna, Italy; (F.P.); (N.B.)
- Department of Biomedical and Neuromotor Sciences, Via Pupilli 1, University of Bologna, 40136 Bologna, Italy
| | - Donatella Granchi
- Biomedical Science and Technology Lab, IRCCS Istituto Ortopedico Rizzoli, via di Barbiano 1/10, 40136 Bologna, Italy; (F.P.); (N.B.)
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28
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Biophysical and Lipidomic Biomarkers of Cardiac Remodeling Post-Myocardial Infarction in Humans. Biomolecules 2020; 10:biom10111471. [PMID: 33105904 PMCID: PMC7690619 DOI: 10.3390/biom10111471] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/14/2020] [Accepted: 10/21/2020] [Indexed: 11/16/2022] Open
Abstract
Few studies have analyzed the potential of biophysical parameters as markers of cardiac remodeling post-myocardial infarction (MI), particularly in human hearts. Fourier transform infrared spectroscopy (FTIR) illustrates the overall changes in proteins, nucleic acids and lipids in a single signature. The aim of this work was to define the FTIR and lipidomic pattern for human left ventricular remodeling post-MI. A total of nine explanted hearts from ischemic cardiomyopathy patients were collected. Samples from the right ventricle (RV), left ventricle (LV) and infarcted left ventricle (LV INF) were subjected to biophysical (FTIR and differential scanning calorimetry, DSC) and lipidomic (liquid chromatography-high-resolution mass spectrometry, LC-HRMS) studies. FTIR evidenced deep alterations in the myofibers, extracellular matrix proteins, and the hydric response of the LV INF compared to the RV or LV from the same subject. The lipid and esterified lipid FTIR bands were enhanced in LV INF, and both lipid indicators were tightly and positively correlated with remodeling markers such as collagen, lactate, polysaccharides, and glycogen in these samples. Lipidomic analysis revealed an increase in several species of sphingomyelin (SM), hexosylceramide (HexCer), and cholesteryl esters combined with a decrease in glycerophospholipids in the infarcted tissue. Our results validate FTIR indicators and several species of lipids as useful markers of left ventricular remodeling post-MI in humans.
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29
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Changes in γH2AX and H4K16ac levels are involved in the biochemical response to a competitive soccer match in adolescent players. Sci Rep 2020; 10:14481. [PMID: 32879387 PMCID: PMC7468116 DOI: 10.1038/s41598-020-71436-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 08/14/2020] [Indexed: 12/14/2022] Open
Abstract
The aim of this study was to examine novel putative markers of the response to the competitive soccer match in adolescent players, such as changes in global levels of γH2AX and H4K16ac in the chromatin of peripheral mononuclear blood cells (PMBCs) and a Fourier-transform infrared spectroscopy (FTIR)-based biochemical fingerprint of serum. These characteristics were examined with reference to the physiological and metabolic aspects of this response. Immediately post-match we noticed: (1) a systemic inflammatory response, manifesting as peaks in leukocyte count and changes in concentrations of IL-6, TNFα, and cortisol; (2) a peak in plasma lactate; (3) onset of oxidative stress, manifesting as a decline in GSH/GSSG; (4) onset of muscle injury, reflected in an increase in CK activity. Twenty-four hours post-match the decrease in GSH/GSSG was accompanied by accumulation of MDA and 8-OHdG, macromolecule oxidation end-products, and an increase in CK activity. No changes in SOD1 or GPX1 levels were found. Repeated measures correlation revealed several associations between the investigated biomarkers. The FTIR analysis revealed that the match had the greatest impact on serum lipid profile immediately post-game. In turn, increases in γH2AX and H4K16ac levels at 24 h post-match indicated activation of a DNA repair pathway.
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30
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Chrabaszcz K, Meyer T, Bae H, Schmitt M, Jasztal A, Smeda M, Stojak M, Popp J, Malek K, Marzec KM. Comparison of standard and HD FT-IR with multimodal CARS/TPEF/SHG/FLIMS imaging in the detection of the early stage of pulmonary metastasis of murine breast cancer. Analyst 2020; 145:4982-4990. [DOI: 10.1039/d0an00762e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The comparison of the potential of FT-IR in standard and high definition modes with multimodal CARS/TPEF/SHG/FLIMS imaging for detection of the early stage of pulmonary metastasis of murine breast cancer is presented.
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Affiliation(s)
- Karolina Chrabaszcz
- Faculty of Chemistry
- Jagiellonian University
- 30-387 Krakow
- Poland
- Jagiellonian Centre for Experimental Therapeutics
| | - Tobias Meyer
- Leibniz-Institute of Photonic Technology e.V
- Member of Leibniz Health Technologies
- 07745 Jena
- Germany
- Institute of Physical Chemistry and Abbe Center of Photonics
| | - Hyeonsoo Bae
- Institute of Physical Chemistry and Abbe Center of Photonics
- Friedrich-Schiller-University
- 07745 Jena
- Germany
| | - Michael Schmitt
- Institute of Physical Chemistry and Abbe Center of Photonics
- Friedrich-Schiller-University
- 07745 Jena
- Germany
| | - Agnieszka Jasztal
- Jagiellonian Centre for Experimental Therapeutics
- Jagiellonian University
- 30-384 Krakow
- Poland
| | - Marta Smeda
- Jagiellonian Centre for Experimental Therapeutics
- Jagiellonian University
- 30-384 Krakow
- Poland
| | - Marta Stojak
- Jagiellonian Centre for Experimental Therapeutics
- Jagiellonian University
- 30-384 Krakow
- Poland
| | - Jürgen Popp
- Leibniz-Institute of Photonic Technology e.V
- Member of Leibniz Health Technologies
- 07745 Jena
- Germany
- Institute of Physical Chemistry and Abbe Center of Photonics
| | - Kamilla Malek
- Faculty of Chemistry
- Jagiellonian University
- 30-387 Krakow
- Poland
- Jagiellonian Centre for Experimental Therapeutics
| | - Katarzyna M. Marzec
- Jagiellonian Centre for Experimental Therapeutics
- Jagiellonian University
- 30-384 Krakow
- Poland
- Centre for Medical Genomics OMICRON
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31
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van Dalen Luna P, Majchrzak L, Malek K, Kuncewicz J, Miskowiec P. The multimodal chemical study of pre-Columbian Peruvian mummies. Analyst 2020; 145:5670-5681. [DOI: 10.1039/d0an01017k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In the pre-Hispanic Central Andes, the mummified bodies of ancestors stood as the basis for the social and cosmic order. This work discusses chemical compositions of the bodies determined by using molecular and elemental analytical methods.
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Affiliation(s)
| | - Lukasz Majchrzak
- Jagiellonian University in Krakow
- Faculty of History
- Institute of Archaeology
- 30-007 Krakow
- Poland
| | - Kamilla Malek
- Jagiellonian University in Krakow
- Faculty of Chemistry
- 30-387 Krakow
- Poland
| | - Joanna Kuncewicz
- Jagiellonian University in Krakow
- Faculty of Chemistry
- 30-387 Krakow
- Poland
| | - Pawel Miskowiec
- Jagiellonian University in Krakow
- Faculty of Chemistry
- 30-387 Krakow
- Poland
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32
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Dandurand J, Ostuni A, Francesca Armentano M, Antonietta Crudele M, Dolce V, Marra F, Samouillan V, Bisaccia F. Calorimetry and FTIR reveal the ability of URG7 protein to modify the aggregation state of both cell lysate and amylogenic α-synuclein. AIMS BIOPHYSICS 2020. [DOI: 10.3934/biophy.2020015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
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Alugoju P, Narsimulu D, Bhanu JU, Satyanarayana N, Periyasamy L. Role of quercetin and caloric restriction on the biomolecular composition of aged rat cerebral cortex: An FTIR study. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 220:117128. [PMID: 31146210 DOI: 10.1016/j.saa.2019.05.033] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 05/10/2019] [Accepted: 05/12/2019] [Indexed: 06/09/2023]
Abstract
Aging brain is characterized by a change in biomolecular composition leading to a diverse range of neurological diseases. Anti-aging research is of current interest, to lessen the burden of age-related macromolecular damage through antioxidant supplementation and caloric restriction. However, data concerning the effect of these anti-aging regimens on age-related biomolecular changes in rat brain is still lacking. In the present study, for the first time, we employed Fourier transform infrared (FTIR) spectroscopy, to investigate the effect of quercetin, caloric restriction (CR) and combination of both on alterations in the composition of lipids and proteins of aged rat brain cerebral cortex. Aged male Wistar rats (21 months old) were divided into four groups: Control (CONT), fed pellet diet; Quercetin (QUER), fed quercetin (50 mg/kg/day); CR (caloric restriction) (fed 40% reduced CONT), and CRQ (40% CR and 50 mg/kg/day QUER). Three-month-old rats served as young control (YOUNG). Our short-term study (45 days) shows decreased band area of unsaturated lipids, decreased area ratios of olefinic/lipid and CH2 antisymmetric stretching (2925 cm-1)/lipids in CONT group compared to young rats, suggesting age-associated lipid peroxidation in aged rats. A slight decrease in the frequency of CH2 antisymmetric mode of lipids (whereas no change in CH2 symmetric mode), but a decrease in bandwidths of both CH2 antisymmetric and symmetric modes of lipids was observed for CONT group compared to YOUNG. Further, a significant decrease in the peak area of infrared bands of proteins and an increase in the peak area of the CO band of lipids was observed in the CONT group. Our data also show that lower levels of α-helical structures and higher levels of random coils, representing altered protein secondary structure composition in the CONT group compared to YOUNG group. Reduction in neuronal cell density and shrinked nucleus was also observed in aged rats. Increase in the accumulation of oxidative mediated damage to macromolecules and diminished antioxidant levels, could be the possible reason for the age-related alterations in the composition of lipids and proteins. However, the combination of quercetin and CR, but not either treatment alone, significantly prevented the age associated alterations in the lipid and protein profiles in the rat cerebral cortex. Further, our results help to understand the mechanism of action of antioxidants under non-restriction and CR conditions, this might help in the development of novel anti-aging treatments to ameliorate oxidative stress in age-related disorders.
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Affiliation(s)
- Phaniendra Alugoju
- Department of Biochemistry and Molecular Biology, Pondicherry University, Puducherry 605 014, India
| | - D Narsimulu
- Department of Physics, Pondicherry University, Puducherry 605 014, India
| | - J Udaya Bhanu
- Centre for Nanoscience and Technology, Pondicherry University, Puducherry 605 014, India
| | - N Satyanarayana
- Department of Physics, Pondicherry University, Puducherry 605 014, India
| | - Latha Periyasamy
- Department of Biochemistry and Molecular Biology, Pondicherry University, Puducherry 605 014, India.
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Rygula A, Fernandes RF, Grosicki M, Kukla B, Leszczenko P, Augustynska D, Cernescu A, Dorosz A, Malek K, Baranska M. Raman imaging highlights biochemical heterogeneity of human eosinophils versus human eosinophilic leukaemia cell line. Br J Haematol 2019; 186:685-694. [PMID: 31134616 DOI: 10.1111/bjh.15971] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 03/19/2019] [Indexed: 01/21/2023]
Abstract
Eosinophils are acidophilic granulocytes that develop in the bone marrow. Although their population contributes only to approximately 1-6% of all leucocytes present in the human blood, they possess a wide range of specific functions. They play a key role in inflammation-regulating processes, when their numbers can increased to above 5 × 109 /l of peripheral blood. Their characteristic feature is the presence of granules containing eosinophil peroxidase (EPO), the release of which can trigger a cascade of events promoting oxidative stress, apoptosis or necrosis, leading finally to cell death. Raman spectroscopy is a powerful technique to detect EPO, which comprises a chromophore protoporphyrin IX. Another cell structure associated with inflammation processes are lipid bodies (lipid-rich organelles), also well recognized and imaged using high resolution confocal Raman spectroscopy. In this work, eosinophils isolated from the blood of a human donor were analysed versus their model, EoL-1 human eosinophilic leukaemia cell line, by Raman spectroscopic imaging. We showed that EPO was present only in primary cells and not found in the cell line. Eosinophils were activated using phorbol 12-myristate 13-acetate, which resulted in lipid bodies formation. An effect of cells stimulation was studied and compared for eosinophils and EoL-1.
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Affiliation(s)
- Anna Rygula
- Faculty of Chemistry, Jagiellonian University, Krakow, Poland
| | - Rafaella F Fernandes
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland
| | - Marek Grosicki
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland.,Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College, Krakow, Poland
| | - Bozena Kukla
- Faculty of Chemistry, Jagiellonian University, Krakow, Poland
| | | | - Dominika Augustynska
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland
| | | | - Aleksandra Dorosz
- Faculty of Chemistry, Jagiellonian University, Krakow, Poland.,Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland
| | - Kamilla Malek
- Faculty of Chemistry, Jagiellonian University, Krakow, Poland.,Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland
| | - Malgorzata Baranska
- Faculty of Chemistry, Jagiellonian University, Krakow, Poland.,Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland
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35
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Augustyniak K, Chrabaszcz K, Jasztal A, Smeda M, Quintas G, Kuligowski J, Marzec KM, Malek K. High and ultra-high definition of infrared spectral histopathology gives an insight into chemical environment of lung metastases in breast cancer. JOURNAL OF BIOPHOTONICS 2019; 12:e201800345. [PMID: 30548409 DOI: 10.1002/jbio.201800345] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 11/20/2018] [Accepted: 12/11/2018] [Indexed: 05/23/2023]
Abstract
Using high definition (HD) and ultra-high definition (UHD) of Fourier-transform infrared (FTIR) spectroscopic imaging, we characterized spectrally pulmonary metastases in a murine model of breast cancer comparing them with histopathological results (Hematoxylin and eosin [H&E] staining). This comparison showed excellent agreement between the methods in case of localization of metastases with size below 1 mm and revealed that label-free HD and UHD IR spectral histopathology distinguish the type of neoplastic cells. We primary focused on differentiation between metastatic foci in the pleural cavity from cancer cells present in lung parenchyma and inflamed cells present in extracellular matrix of lungs due to growing of advanced metastases. In addition, a combination of unsupervised clustering and IR imaging indicated the high sensitivity of FTIR spectroscopy to identify chemical features of small macrometastases located under the pleural cavity and during epithelial-mesenchymal transition. FTIR-based spectral histopathology was proved to detect not only phases of breast cancer metastasis to lungs but also to differentiate various origins of metastases seeded from breast cancer.
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Affiliation(s)
| | - Karolina Chrabaszcz
- Faculty of Chemistry, Jagiellonian University, Krakow, Poland
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland
- Centre for Medical Genomics OMICRON, Jagiellonian University Medical College, Krakow, Poland
| | - Agnieszka Jasztal
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland
| | - Marta Smeda
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland
| | - Guillermo Quintas
- Leitat Technological Center, Health & Biomedicine Division, Barcelona, Spain
| | - Julia Kuligowski
- Neonatal Research Group, Health Research Institute, Hospital La Fe, Valencia, Spain
| | - Katarzyna M Marzec
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland
- Centre for Medical Genomics OMICRON, Jagiellonian University Medical College, Krakow, Poland
| | - Kamilla Malek
- Faculty of Chemistry, Jagiellonian University, Krakow, Poland
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland
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Zhang K, Wang Q, Liu R, Wei X, Li Z, Fan S, Wang Z. Evaluating the effects of causes of death on postmortem interval estimation by ATR-FTIR spectroscopy. Int J Legal Med 2019; 134:565-574. [PMID: 30911838 DOI: 10.1007/s00414-019-02042-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 03/08/2019] [Indexed: 12/25/2022]
Abstract
Estimating postmortem interval (PMI) is one of the most challenging tasks in forensic practice due to the effects of many factors. Here, attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy combined with chemometrics was utilized to evaluate the effects of causes of death when estimating PMI and to establish a partial least square (PLS) regression model, which can precisely predict PMI under different causes of death. First, the sensitivities to causes of death (brainstem injury, mechanical asphyxia, and hemorrhage shock) of seven kinds of organs were evaluated based on their degrees of cohesion and separation. Then, the liver was selected as the most sensitive organ to establish a PMI estimation model to compare the predicted deviations from different causes of death. It turns out that the cause of death has no significant effect on estimating PMI. Next, a PLS regression model was built with kidney tissues, which have the lowest sensitivity, and this model showed a satisfactory predictive ability and wide applicability. This study demonstrates the feasibility of using ATR-FTIR spectroscopy in conjunction with chemometrics as a powerful alternative for detecting changes in biochemistry and estimating PMI. A new perspective was also provided for evaluating the effect of causes of death when predicting PMI.
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Affiliation(s)
- Kai Zhang
- Department of Forensic Pathology, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China
| | - Qi Wang
- Department of Forensic Medicine, Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Ruina Liu
- Department of Forensic Pathology, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China
| | - Xin Wei
- Department of Forensic Pathology, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China
| | - Zhouru Li
- Department of Forensic Medicine, Xuzhou Medical University, Xuzhou, 221004, People's Republic of China
| | - Shuanliang Fan
- Department of Forensic Pathology, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China.
| | - Zhenyuan Wang
- Department of Forensic Pathology, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China.
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Acikgoz E, Güler G, Camlar M, Oktem G, Aktug H. Glycogen synthase kinase-3 inhibition in glioblastoma multiforme cells induces apoptosis, cell cycle arrest and changing biomolecular structure. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 209:150-164. [PMID: 30388586 DOI: 10.1016/j.saa.2018.10.036] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 10/13/2018] [Accepted: 10/21/2018] [Indexed: 06/08/2023]
Abstract
Glioblastoma multiforme (GBM) is the most malignant and aggressive primary human brain tumors. The regulatory pathways of apoptosis are altered in GBMs, leading to a survival advantage of the tumor cells. Thus, identification of target molecules, which are effective in triggering of the cell death mechanisms in GBM, is an essential strategy for therapeutic purposes. Glycogen synthase kinase-3 (GSK-3) plays an important role in apoptosis, proliferation and cell cycle. This study focused on the effect of GSK-3 inhibitor IX in the GBM cells. Apoptosis induction was determined by Annexin-V assay, multicaspase activity and immunofluorescence analyses. Concentration-dependent effects of GSK-3 inhibitor IX on the cell cycle were also evaluated. Moreover, the effect of GSK inhibitor on the cellular biomolecules was assessed by using ATR-FTIR spectroscopy. Our assay results indicated that GSK-3 inhibitor IX induces apoptosis, resulting in a significant increase in the expression of caspase-3 and caspase-8 proteins. Cell cycle analyses revealed that GSK-3 inhibitor IX leads to dose-dependent G2/M-phase cell cycle arrest. Based on the FTIR data, treatment of GBM cells causes dysregulation in the carbohydrate metabolism and induces apoptotic cell death which was characterized by the spectral alterations in nucleic acids, an increment in the lipid amount with disordering state and compositional changes in the cellular proteins. These findings suggest that GSK-3 inhibitor IX exhibits anti-cancer effects by inducing apoptosis and changing biomolecular structure of membrane lipids, carbohydrates, nucleic acids and proteins, and thus, may be further evaluated as a potential effective candidate agent for the GBM combination therapies.
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Affiliation(s)
- Eda Acikgoz
- Department of Histology and Embryology, Faculty of Medicine, Ege University, 35100 Izmir, Turkey; Department of Histology and Embryology, Faculty of Medicine, Yuzuncu Yil University, 65080 Van, Turkey.
| | - Günnur Güler
- Center for Drug Research & Development and Pharmacokinetic Applications (ARGEFAR), Ege University, 35100 Izmir, Turkey.
| | - Mahmut Camlar
- Department of Neurosurgery, Sağlık Bilimleri University Izmir Tepecik Education and Research Hospital, Izmir 35100, Turkey
| | - Gulperi Oktem
- Department of Histology and Embryology, Faculty of Medicine, Ege University, 35100 Izmir, Turkey
| | - Huseyin Aktug
- Department of Histology and Embryology, Faculty of Medicine, Ege University, 35100 Izmir, Turkey
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38
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Chrabaszcz K, Jasztal A, Smęda M, Zieliński B, Blat A, Diem M, Chlopicki S, Malek K, Marzec KM. Label-free FTIR spectroscopy detects and visualizes the early stage of pulmonary micrometastasis seeded from breast carcinoma. Biochim Biophys Acta Mol Basis Dis 2018; 1864:3574-3584. [DOI: 10.1016/j.bbadis.2018.08.022] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 08/06/2018] [Accepted: 08/17/2018] [Indexed: 12/18/2022]
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Velmurugan B, Senthilkumaar P, Karthikeyan S. Toxicity impact of fenvalerate on the gill tissue of Oreochromis mossambicus with respect to biochemical changes utilizing FTIR and principal component analysis. J Biol Phys 2018; 44:301-315. [PMID: 29546649 PMCID: PMC6082805 DOI: 10.1007/s10867-018-9484-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2017] [Accepted: 02/28/2018] [Indexed: 02/08/2023] Open
Abstract
The use of pesticides in agriculture can make their way into the earth and wash into the amphibian system causing ecological stress. This study aims to understand the changes occurring in gill tissues as a result of fenvalerate exposure using Fourier-transform infrared spectroscopy. The intensity ratio of the selected bands I1545/I1657, I2924/I2853, and I1045/I1545 measures changes in proteins, lipids, and carbohydrates. Curve-fitting analysis was performed in the selected band region to analyze the quantitative changes of proteins, lipids, and carbohydrates. The band area ratio of CH3/asCH2+ sCH2 shows the absence of a long chain of fatty acids due to fenvalerate treatment. The band area ratio of asCH2/sCH2 increases for higher sublethal concentrations, which shows the lower disorder of lipid acyl chain flexibility. A decrease in lipids was found in lower sublethal concentrations. The secondary structure of proteins affirms β sheet development. Carbohydrate metabolism of gill tissues demonstrates a decrease in glycogen contents. A further decrease in glycogen content and an increase in lactic acid were observed when presented to a fenvalerate concentration. PCA plots indicate distinct variations among the biochemical parameters of the gill tissues. This study provides a quantitative examination of assessing pesticide toxicity in aquatic environments.
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Affiliation(s)
- B Velmurugan
- P.G. & Research Department of Zoology, Sir Theagaraya College, Chennai, 600 021, India
| | - P Senthilkumaar
- P.G. & Research Department of Zoology, Sir Theagaraya College, Chennai, 600 021, India
| | - S Karthikeyan
- Department of Physics, Dr. Ambedkar Government Arts College, Chennai, 600 039, India.
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40
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Benitez‐Amaro A, Samouillan V, Jorge E, Dandurand J, Nasarre L, de Gonzalo‐Calvo D, Bornachea O, Amoros‐Figueras G, Lacabanne C, Vilades D, Leta R, Carreras F, Gallardo A, Lerma E, Cinca J, Guerra JM, Llorente‐Cortés V. Identification of new biophysical markers for pathological ventricular remodelling in tachycardia-induced dilated cardiomyopathy. J Cell Mol Med 2018; 22:4197-4208. [PMID: 29921039 PMCID: PMC6111813 DOI: 10.1111/jcmm.13699] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 04/17/2018] [Indexed: 11/28/2022] Open
Abstract
Our aim was to identify biophysical biomarkers of ventricular remodelling in tachycardia-induced dilated cardiomyopathy (DCM). Our study includes healthy controls (N = 7) and DCM pigs (N = 10). Molecular analysis showed global myocardial metabolic abnormalities, some of them related to myocardial hibernation in failing hearts, supporting the translationality of our model to study cardiac remodelling in dilated cardiomyopathy. Histological analysis showed unorganized and agglomerated collagen accumulation in the dilated ventricles and a higher percentage of fibrosis in the right (RV) than in the left (LV) ventricle (P = .016). The Fourier Transform Infrared Spectroscopy (FTIR) 1st and 2nd indicators, which are markers of the myofiber/collagen ratio, were reduced in dilated hearts, with the 1st indicator reduced by 45% and 53% in the RV and LV, respectively, and the 2nd indicator reduced by 25% in the RV. The 3rd FTIR indicator, a marker of the carbohydrate/lipid ratio, was up-regulated in the right and left dilated ventricles but to a greater extent in the RV (2.60-fold vs 1.61-fold, P = .049). Differential scanning calorimetry (DSC) showed a depression of the freezable water melting point in DCM ventricles - indicating structural changes in the tissue architecture - and lower protein stability. Our results suggest that the 1st, 2nd and 3rd FTIR indicators are useful markers of cardiac remodelling. Moreover, the 2nd and 3rd FITR indicators, which are altered to a greater extent in the right ventricle, are associated with greater fibrosis.
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Affiliation(s)
- Aleyda Benitez‐Amaro
- Group of Lipids and Cardiovascular PathologyICCC ProgramBiomedical Research Institute Sant Pau (IIB Sant Pau)Hospital de la Santa Creu i Sant PauBarcelonaSpain
- Institute of Biomedical Research of Barcelona (IIBB)Spanish National Research Council (CSIC)BarcelonaSpain
| | - Valerie Samouillan
- CIRIMATUniversité de ToulouseUniversité Paul Sabatier, Physique des PolymèresToulouseFrance
| | - Esther Jorge
- CIBERCVBarcelonaSpain
- Department of CardiologyHospital de la Santa Creu i Sant PauBiomedical Research Institute Sant Pau (IIB Sant Pau)Universitat Autonoma de BarcelonaBarcelonaSpain
| | - Jany Dandurand
- CIRIMATUniversité de ToulouseUniversité Paul Sabatier, Physique des PolymèresToulouseFrance
| | - Laura Nasarre
- Group of Lipids and Cardiovascular PathologyICCC ProgramBiomedical Research Institute Sant Pau (IIB Sant Pau)Hospital de la Santa Creu i Sant PauBarcelonaSpain
| | - David de Gonzalo‐Calvo
- Group of Lipids and Cardiovascular PathologyICCC ProgramBiomedical Research Institute Sant Pau (IIB Sant Pau)Hospital de la Santa Creu i Sant PauBarcelonaSpain
- Institute of Biomedical Research of Barcelona (IIBB)Spanish National Research Council (CSIC)BarcelonaSpain
- CIBERCVBarcelonaSpain
| | - Olga Bornachea
- Group of Lipids and Cardiovascular PathologyICCC ProgramBiomedical Research Institute Sant Pau (IIB Sant Pau)Hospital de la Santa Creu i Sant PauBarcelonaSpain
- Institute of Biomedical Research of Barcelona (IIBB)Spanish National Research Council (CSIC)BarcelonaSpain
| | - Gerard Amoros‐Figueras
- CIBERCVBarcelonaSpain
- Department of CardiologyHospital de la Santa Creu i Sant PauBiomedical Research Institute Sant Pau (IIB Sant Pau)Universitat Autonoma de BarcelonaBarcelonaSpain
| | - Colette Lacabanne
- CIRIMATUniversité de ToulouseUniversité Paul Sabatier, Physique des PolymèresToulouseFrance
| | - David Vilades
- Department of CardiologyHospital de la Santa Creu i Sant PauBiomedical Research Institute Sant Pau (IIB Sant Pau)Universitat Autonoma de BarcelonaBarcelonaSpain
| | - Ruben Leta
- Department of CardiologyHospital de la Santa Creu i Sant PauBiomedical Research Institute Sant Pau (IIB Sant Pau)Universitat Autonoma de BarcelonaBarcelonaSpain
| | - Francesc Carreras
- CIBERCVBarcelonaSpain
- Department of CardiologyHospital de la Santa Creu i Sant PauBiomedical Research Institute Sant Pau (IIB Sant Pau)Universitat Autonoma de BarcelonaBarcelonaSpain
| | - Alberto Gallardo
- Department of PathologyHospital de la Santa Creu i Sant PauBarcelonaSpain
| | - Enrique Lerma
- Department of PathologyHospital de la Santa Creu i Sant PauBarcelonaSpain
| | - Juan Cinca
- CIBERCVBarcelonaSpain
- Department of CardiologyHospital de la Santa Creu i Sant PauBiomedical Research Institute Sant Pau (IIB Sant Pau)Universitat Autonoma de BarcelonaBarcelonaSpain
| | - Jose M. Guerra
- CIBERCVBarcelonaSpain
- Department of CardiologyHospital de la Santa Creu i Sant PauBiomedical Research Institute Sant Pau (IIB Sant Pau)Universitat Autonoma de BarcelonaBarcelonaSpain
| | - Vicenta Llorente‐Cortés
- Group of Lipids and Cardiovascular PathologyICCC ProgramBiomedical Research Institute Sant Pau (IIB Sant Pau)Hospital de la Santa Creu i Sant PauBarcelonaSpain
- Institute of Biomedical Research of Barcelona (IIBB)Spanish National Research Council (CSIC)BarcelonaSpain
- CIBERCVBarcelonaSpain
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Paraskevaidi M, Morais CLM, Raglan O, Lima KMG, Paraskevaidis E, Martin-Hirsch PL, Kyrgiou M, Martin FL. Aluminium foil as an alternative substrate for the spectroscopic interrogation of endometrial cancer. JOURNAL OF BIOPHOTONICS 2018; 11:e201700372. [PMID: 29512302 DOI: 10.1002/jbio.201700372] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 03/04/2018] [Indexed: 06/08/2023]
Abstract
Biospectroscopy has the potential to investigate and characterize biological samples and could, therefore, be utilized to diagnose various diseases in a clinical environment. An important consideration in spectrochemical studies is the cost-effectiveness of the substrate used to support the sample, as high expense would limit their translation into clinic. In this paper, the performance of low-cost aluminium (Al) foil substrates was compared with the commonly used low-emissivity (low-E) slides. Attenuated total reflection-Fourier transform infrared spectroscopy was used to analyse blood plasma and serum samples from women with endometrial cancer and healthy controls. The 2 populations were differentiated using principal component analysis with support vector machines with 100% sensitivity in plasma samples (endometrial cancer = 70; healthy controls = 15) using both Al foil and low-E slides as substrates. The same sensitivity results (100%) were achieved for serum samples (endometrial cancer = 60; healthy controls = 15). Specificity was found higher using Al foil (90%) in comparison to low-E slides (85%) and lower using Al foil (70%) in comparison to low-E slides in serum samples. The establishment of Al foil as low-cost and highly performing substrate would pave the way for large-scale, multicentre studies and potentially for routine clinical use.
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Affiliation(s)
- Maria Paraskevaidi
- School of Pharmacy and Biomedical Sciences, University of Central Lancashire, Preston, UK
| | - Camilo L M Morais
- School of Pharmacy and Biomedical Sciences, University of Central Lancashire, Preston, UK
- Biological Chemistry and Chemometrics, Institute of Chemistry, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Olivia Raglan
- Faculty of Medicine, Institute of Reproductive and Developmental Biology, Imperial College, London, UK
| | - Kássio M G Lima
- Biological Chemistry and Chemometrics, Institute of Chemistry, Federal University of Rio Grande do Norte, Natal, Brazil
| | | | - Pierre L Martin-Hirsch
- Department of Obstetrics and Gynaecology, Sharoe Green Unit, Lancashire Teaching Hospitals NHS Foundation, Preston, UK
| | - Maria Kyrgiou
- Faculty of Medicine, Institute of Reproductive and Developmental Biology, Imperial College, London, UK
| | - Francis L Martin
- School of Pharmacy and Biomedical Sciences, University of Central Lancashire, Preston, UK
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Güler G, Acikgoz E, Karabay Yavasoglu NÜ, Bakan B, Goormaghtigh E, Aktug H. Deciphering the biochemical similarities and differences among mouse embryonic stem cells, somatic and cancer cells using ATR-FTIR spectroscopy. Analyst 2018; 143:1624-1634. [DOI: 10.1039/c8an00017d] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Cellular macromolecules play important roles in cellular behaviors and biological processes.
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Affiliation(s)
- Günnur Güler
- Center for Drug Research & Development and Pharmacokinetic Applications (ARGEFAR)
- Ege University
- Izmir
- Turkey
| | - Eda Acikgoz
- Department of Histology and Embryology
- Faculty of Medicine
- Ege University
- Izmir
- Turkey
| | | | - Buket Bakan
- Department of Biology
- Faculty of Science
- Ege University
- Izmir
- Turkey
| | - Erik Goormaghtigh
- Laboratory of Structure and Function of Biological Membranes
- Center of Structural Biology and Bioinformatics
- Université Libre de Bruxelles
- Brussels
- Belgium
| | - Huseyin Aktug
- Department of Histology and Embryology
- Faculty of Medicine
- Ege University
- Izmir
- Turkey
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43
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Anusha C, Sankar R, Varunkumar K, Sivasindhuja G, Ravikumar V. Fourier transform-infrared spectroscopy as a diagnostic tool for mosquito coil smoke inhalation toxicity in Swiss Albino mice. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.07.087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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44
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Effects of different concentrations and exposure time of sodium hypochlorite on the structural, compositional and mechanical properties of human dentin. ACTA ACUST UNITED AC 2017; 37:568-576. [DOI: 10.1007/s11596-017-1774-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 03/14/2017] [Indexed: 11/26/2022]
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Wang Q, He H, Li B, Lin H, Zhang Y, Zhang J, Wang Z. UV-Vis and ATR-FTIR spectroscopic investigations of postmortem interval based on the changes in rabbit plasma. PLoS One 2017; 12:e0182161. [PMID: 28753641 PMCID: PMC5533326 DOI: 10.1371/journal.pone.0182161] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Accepted: 07/13/2017] [Indexed: 11/23/2022] Open
Abstract
Estimating PMI is of great importance in forensic investigations. Although many methods are used to estimate the PMI, a few investigations focus on the postmortem redistribution. In this study, ultraviolet-visible (UV-Vis) measurement combined with visual inspection indicated a regular diffusion of hemoglobin into plasma after death showing the redistribution of postmortem components in blood. Thereafter, attenuated total reflection-Fourier transform infrared (ATR-FTIR) spectroscopy was used to confirm the variations caused by this phenomenon. First, full-spectrum partial least-squares (PLS) and genetic algorithm combined with PLS (GA-PLS) models were constructed to predict the PMI. The performance of GA-PLS model was better than that of full-spectrum PLS model based on its root mean square error (RMSE) of cross-validation of 3.46 h (R2 = 0.95) and the RMSE of prediction of 3.46 h (R2 = 0.94). The investigation on the similarity of spectra between blood plasma and formed elements also supported the role of redistribution of components in spectral changes in postmortem plasma. These results demonstrated that ATR-FTIR spectroscopy coupled with the advanced mathematical methods could serve as a convenient and reliable tool to study the redistribution of postmortem components and estimate the PMI.
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Affiliation(s)
- Qi Wang
- Department of Forensic Pathology, College of Forensic Medicine, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Haijun He
- Department of Forensic Pathology, College of Forensic Medicine, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Bing Li
- Department of Forensic Pathology, College of Forensic Medicine, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Hancheng Lin
- Department of Forensic Pathology, College of Forensic Medicine, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Yinming Zhang
- Department of Forensic Pathology, College of Forensic Medicine, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Ji Zhang
- Department of Forensic Pathology, College of Forensic Medicine, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Zhenyuan Wang
- Department of Forensic Pathology, College of Forensic Medicine, Xi’an Jiaotong University, Xi’an, Shaanxi, China
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Tang R, Samouillan V, Dandurand J, Lacabanne C, Lacoste-Ferre MH, Bogdanowicz P, Bianchi P, Villaret A, Nadal-Wollbold F. Identification of ageing biomarkers in human dermis biopsies by thermal analysis (DSC) combined with Fourier transform infrared spectroscopy (FTIR/ATR). Skin Res Technol 2017; 23:573-580. [DOI: 10.1111/srt.12373] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/12/2017] [Indexed: 01/05/2023]
Affiliation(s)
- R. Tang
- CIRIMAT; Paul Sabatier University; Toulouse France
| | | | - J. Dandurand
- CIRIMAT; Paul Sabatier University; Toulouse France
| | - C. Lacabanne
- CIRIMAT; Paul Sabatier University; Toulouse France
| | | | | | - P. Bianchi
- Pierre Fabre Dermo Cosmetique; Toulouse France
| | - A. Villaret
- Pierre Fabre Dermo Cosmetique; Toulouse France
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Samouillan V, Revuelta-López E, Soler-Botija C, Dandurand J, Benitez-Amaro A, Nasarre L, de Gonzalo-Calvo D, Bayes-Genis A, Lacabanne C, Llorente-Cortés V. Conformational and thermal characterization of left ventricle remodeling post-myocardial infarction. Biochim Biophys Acta Mol Basis Dis 2017; 1863:1500-1509. [PMID: 28245984 DOI: 10.1016/j.bbadis.2017.02.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 02/05/2017] [Accepted: 02/24/2017] [Indexed: 11/25/2022]
Abstract
Adverse cardiac remodeling after myocardial infarction (MI) causes impaired ventricular function and heart failure. Histopathological characterization is commonly used to detect the location, size and shape of MI sites. However, the information about chemical composition, physical structure and molecular mobility of peri- and infarct zones post-MI is rather limited. The main objective of this work was to explore the spatiotemporal biochemical and biophysical alterations of key cardiac components post-MI. The FTIR spectra of healthy and remote myocardial tissue shows amides A, I, II and III associated with proteins in freeze-died tissue as major absorptions bands. In infarcted myocardium, the spectrum of these main absorptions was deeply altered. FITR evidenced an increase of the amide A band and the distinct feature of the collagen specific absorption band at 1338cm-1 in the infarct area at 21days post-MI. At 21days post-MI, it also appears an important shift of amide I from 1646cm-1 to 1637cm-1 that suggests the predominance of the triple helical conformation in the proteins. The new spectra bands also indicate an increase in proteoglycans, residues of carbohydrates in proteins and polysaccharides in ischemic areas. Thermal analysis indicates a deep increase of unfreezable water/freezable water in peri- and infarcted tissues. In infarcted tissue is evidenced the impairment of myofibrillar proteins thermal profile and the emergence of a new structure. In conclusion, our results indicate a profound evolution of protein secondary structures in association with collagen deposition and reorganization of water involved in the scar maturation of peri- and infarct zones post-MI.
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Affiliation(s)
- V Samouillan
- Physique des Polymères, Institut Carnot, CIRIMAT UMR 5085, Université Paul Sabatier, Bat 3R1B2, 118 route de Narbonne, 31062 Toulouse Cedex 04, France.
| | - E Revuelta-López
- Cardiovascular Research Center, CSIC-ICCC, IIB-Sant Pau, Hospital de la Santa Creu i Sant Pau, 08025 Barcelona, Spain; ICREC (Heart Failure and Cardiac Regeneration) Research Program, Health Sciences Research Institute Germans Trias i Pujol, 08916 Badalona, Barcelona, Spain
| | - C Soler-Botija
- ICREC (Heart Failure and Cardiac Regeneration) Research Program, Health Sciences Research Institute Germans Trias i Pujol, 08916 Badalona, Barcelona, Spain; CIBERCV, Instituto de Salud Carlos III, Madrid, Spain
| | - J Dandurand
- Physique des Polymères, Institut Carnot, CIRIMAT UMR 5085, Université Paul Sabatier, Bat 3R1B2, 118 route de Narbonne, 31062 Toulouse Cedex 04, France
| | - Aleyda Benitez-Amaro
- Cardiovascular Research Center, CSIC-ICCC, IIB-Sant Pau, Hospital de la Santa Creu i Sant Pau, 08025 Barcelona, Spain
| | - L Nasarre
- Cardiovascular Research Center, CSIC-ICCC, IIB-Sant Pau, Hospital de la Santa Creu i Sant Pau, 08025 Barcelona, Spain
| | - D de Gonzalo-Calvo
- Cardiovascular Research Center, CSIC-ICCC, IIB-Sant Pau, Hospital de la Santa Creu i Sant Pau, 08025 Barcelona, Spain; CIBERCV, Instituto de Salud Carlos III, Madrid, Spain
| | - A Bayes-Genis
- ICREC (Heart Failure and Cardiac Regeneration) Research Program, Health Sciences Research Institute Germans Trias i Pujol, 08916 Badalona, Barcelona, Spain; CIBERCV, Instituto de Salud Carlos III, Madrid, Spain; Cardiology Service, Germans Trias i Pujol University Hospital, Badalona, Spain; Department of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - C Lacabanne
- Physique des Polymères, Institut Carnot, CIRIMAT UMR 5085, Université Paul Sabatier, Bat 3R1B2, 118 route de Narbonne, 31062 Toulouse Cedex 04, France
| | - V Llorente-Cortés
- Cardiovascular Research Center, CSIC-ICCC, IIB-Sant Pau, Hospital de la Santa Creu i Sant Pau, 08025 Barcelona, Spain; CIBERCV, Instituto de Salud Carlos III, Madrid, Spain; Institute of Biomedical Research of Barcelona (IIBB) - Spanish National Research Council (CSIC), Barcelona, Spain.
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48
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Liyanage S, Dassanayake RS, Bouyanfif A, Rajakaruna E, Ramalingam L, Moustaid-Moussa N, Abidi N. Optimization and validation of cryostat temperature conditions for trans-reflectance mode FTIR microspectroscopic imaging of biological tissues. MethodsX 2017; 4:118-127. [PMID: 28280690 PMCID: PMC5333507 DOI: 10.1016/j.mex.2017.01.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 01/27/2017] [Indexed: 12/22/2022] Open
Abstract
In Fourier transform infrared (FTIR) microspectrocopy, the tissue preparation method is crucial, especially how the tissue is cryo-sectioned prior to the imaging requires special consideration. Having a temperature difference between the cutting blade and the specimen holder of the cryostat greatly affects the quality of the sections. Therefore, we have developed an optimal protocol for cryo-sectioning of biological tissues by varying the temperature of both the cutting blade and the specimen holder. Using this protocol, we successfully cryo-sectioned four different difficult-to-section tissues including white adipose tissue (WAT), brown adipose tissue (BAT), lung, and liver. The optimal temperatures that required to be maintained at the cutting blade and the specimen holder for the cryo-sectioning of WAT, BAT, lung, and liver are (−25, −20 °C), (−25, −20 °C), (−17, −13 °C) and (−15, −5 °C), respectively. The optimized protocol developed in this study produced high quality cryo-sections with sample thickness of 8–10 μm, as well as high quality trans-reflectance mode FTIR microspectroscopic images for the tissue sections. Use of cryostat technique to make thin sections of biological samples for FTIR microspectroscopy imaging. Optimized cryostat temperature conditions by varying the temperatures at the cutting blade and specimen holder to obtain high quality sections of difficult-to-handle tissues. FTIR imaging is used to obtain chemical information from cryo-sectioned samples with no interference of the conventional paraffin-embedding agent and chemicals.
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Affiliation(s)
- Sumedha Liyanage
- Fiber and Biopolymer Research Institute, Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79403, USA
| | - Rohan S Dassanayake
- Fiber and Biopolymer Research Institute, Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79403, USA
| | - Amal Bouyanfif
- Fiber and Biopolymer Research Institute, Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79403, USA; Department of Nutritional Sciences, Texas Tech University, Lubbock, TX 79409, USA
| | - Erandathi Rajakaruna
- Fiber and Biopolymer Research Institute, Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79403, USA
| | - Latha Ramalingam
- Department of Nutritional Sciences, Texas Tech University, Lubbock, TX 79409, USA; Obesity Research Cluster, Texas Tech University, Lubbock, TX 79409, USA
| | - Naima Moustaid-Moussa
- Department of Nutritional Sciences, Texas Tech University, Lubbock, TX 79409, USA; Obesity Research Cluster, Texas Tech University, Lubbock, TX 79409, USA
| | - Noureddine Abidi
- Fiber and Biopolymer Research Institute, Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79403, USA
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Dybas J, Marzec KM, Pacia MZ, Kochan K, Czamara K, Chrabaszcz K, Staniszewska-Slezak E, Malek K, Baranska M, Kaczor A. Raman spectroscopy as a sensitive probe of soft tissue composition – Imaging of cross-sections of various organs vs. single spectra of tissue homogenates. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2016.08.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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50
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Staniszewska-Slezak E, Mateuszuk L, Chlopicki S, Baranska M, Malek K. Alterations in plasma biochemical composition in NO deficiency induced by L-NAME in mice analysed by Fourier Transform Infrared Spectroscopy. JOURNAL OF BIOPHOTONICS 2016; 9:1098-1108. [PMID: 27440215 DOI: 10.1002/jbio.201600141] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2016] [Revised: 06/22/2016] [Accepted: 06/23/2016] [Indexed: 06/06/2023]
Abstract
Mouse model of nitric oxide deficiency, induced by prolonged treatment with NG -nitro-L-arginine methyl ester (L-NAME) was used for infrared spectroscopy (FTIR) analysis of plasma. L-NAME leads to increased peripheral resistance and systemic hypertension. Classification of spectral response was by principal component analysis (PCA) and linear discriminant analysis (LDA). PCA allowed to separate each animal group showing that FTIR spectra are sensitive to development of NO-deficiency on contrary to blood pressure values indicating hypertension. Globally, the most pronounced spectral alternations were observed in the second and third week of L-NAME treatment indicating that infrared signature of blood plasma can serve as indicator of early and late stages of the disease. The PLS-DA method provided >95% classification accuracy. Spectral features characteristic for L-NAME treatment were mainly associated with an elevated level of proteins accompanied by a decrease of a tyrosine content and changes in lipids/phospholipid concentration. In our work we discuss these changes for which statistically significant differences (p < 0.05 - 0.005) were observed between spectra collected for each time-point of the L-NAME treatment versus control subjects. We demonstrated for the first time that NO-deficiency and hypertension resulted in changes in biochemical profile of plasma that was detected by FTIR spectroscopy.
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Affiliation(s)
- Emilia Staniszewska-Slezak
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060, Krakow, Poland
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348, Krakow, Poland
| | - Lukasz Mateuszuk
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348, Krakow, Poland
| | - Stefan Chlopicki
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348, Krakow, Poland
- Department of Experimental Pharmacology (Chair of Pharmacology), Jagiellonian University, Grzegorzecka 16, Krakow, 31-531, Poland
| | - Malgorzata Baranska
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060, Krakow, Poland
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348, Krakow, Poland
| | - Kamilla Malek
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060, Krakow, Poland.
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzynskiego 14, 30-348, Krakow, Poland.
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