1
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Ni R, Ge K, Luo Y, Zhu T, Hu Z, Li M, Tao P, Chi J, Li G, Yuan H, Pang Q, Gao W, Zhang P, Zhu Y. Highly sensitive microfluidic sensor using integrated optical fiber and real-time single-cell Raman spectroscopy for diagnosis of pancreatic cancer. Biosens Bioelectron 2024; 264:116616. [PMID: 39137518 DOI: 10.1016/j.bios.2024.116616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Revised: 07/26/2024] [Accepted: 07/29/2024] [Indexed: 08/15/2024]
Abstract
Pancreatic cancer is notoriously lethal due to its late diagnosis and poor patient response to treatments, posing a significant clinical challenge. This study introduced a novel approach that combines a single-cell capturing platform, tumor-targeted silver (Ag) nanoprobes, and precisely docking tapered fiber integrated with Raman spectroscopy. This approach focuses on early detection and progression monitoring of pancreatic cancer. Utilizing tumor-targeted Ag nanoparticles and tapered multimode fibers enhances Raman signals, minimizes light loss, and reduces background noise. This advanced Raman system allows for detailed molecular spectroscopic examination of individual cells, offering more practical information and enabling earlier detection and accurate staging of pancreatic cancer compared to conventional multicellular Raman spectroscopy. Transcriptomic analysis using high-throughput gene screening and transcriptomic databases confirmed the ability and accuracy of this method to identify molecular changes in normal, early, and metastatic pancreatic cancer cells. Key findings revealed that cell adhesion, migration, and the extracellular matrix are closely related to single-cell Raman spectroscopy (SCRS) results, highlighting components such as collagen, phospholipids, and carotene. Therefore, the SCRS approach provides a comprehensive view of the molecular composition, biological function, and material changes in cells, offering a novel, accurate, reliable, rapid, and efficient method for diagnosing and monitoring pancreatic cancer.
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Affiliation(s)
- Renhao Ni
- Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Kaixin Ge
- Key Laboratory of Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China; Engineering Research Center for Advanced Infrared Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China
| | - Yang Luo
- Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Tong Zhu
- Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Zeming Hu
- Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Min Li
- College of Information Science and Engineering, Ningbo University, Ningbo, 315211, China
| | - Pan Tao
- Key Laboratory of Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China; Engineering Research Center for Advanced Infrared Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China
| | - Jinyi Chi
- Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Guanron Li
- Health Science Center, Ningbo University, Ningbo, 315211, China; The First Affiliated Hospital of Ningbo University, Ningbo, 315020, China
| | - Haojun Yuan
- College of Information Science and Engineering, Ningbo University, Ningbo, 315211, China
| | - Qian Pang
- Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Wanlei Gao
- College of Information Science and Engineering, Ningbo University, Ningbo, 315211, China.
| | - Peiqing Zhang
- Key Laboratory of Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China; Engineering Research Center for Advanced Infrared Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China.
| | - Yabin Zhu
- Health Science Center, Ningbo University, Ningbo, 315211, China.
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2
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Seitz AM, Niehoff A. [Tissue biomechanics: connective tissue characterization : Cluster tissue biomechanics]. ORTHOPADIE (HEIDELBERG, GERMANY) 2024; 53:503-510. [PMID: 38829400 DOI: 10.1007/s00132-024-04517-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/02/2024] [Indexed: 06/05/2024]
Abstract
The various connective tissues of the body have different functions, which result from their specific structure and composition. The identification of this structure-function relationship is of great importance for various disciplines such as medicine, biology or tissue engineering. Connective tissue consists mainly of an extracellular matrix (ECM) and a limited number of cells. It is extremely adaptable because the activity of the cells remodels the composition and structure of the ECM in order to adapt the mechanical properties (functions) to the new demands (e.g. an increased mechanical stimulus).
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Affiliation(s)
- Andreas Martin Seitz
- Institut für Unfallchirurgische Forschung und Biomechanik, Zentrum für Traumaforschung Ulm, Universitätsklinikum Ulm, Helmholtzstraße 14, 89081, Ulm, Deutschland.
| | - Anja Niehoff
- Institut für Biomechanik und Orthopädie, Deutsche Sporthochschule Köln, Am Sportpark Müngersdorf 6, 50933, Köln, Deutschland.
- Cologne Center for Musculoskeletal Biomechanics, Medizinische Fakultät, Universität zu Köln, Joseph-Stelzmann-Str. 9, 50931, Köln, Deutschland.
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3
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Stanek E, Majka Z, Czamara K, Mazurkiewicz J, Kaczor A. Spatially Offset Raman Spectroscopy toward In Vivo Assessment of the Adipose Tissue in Cardiometabolic Pathologies. Anal Chem 2024; 96:10373-10379. [PMID: 38865715 PMCID: PMC11209658 DOI: 10.1021/acs.analchem.4c01477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 05/24/2024] [Accepted: 05/31/2024] [Indexed: 06/14/2024]
Abstract
Spatially offset Raman spectroscopy (SORS) enhanced the capabilities of Raman spectroscopy for the depth-resolved analysis of biological and diffusely scattering samples. This technique offers selective probing of subsurface layers, providing molecular insights without invasive procedures. While SORS has found application in biomedical research, up to now, studies have focused mainly on the detection of mineralization of bones and tissues. Herein, for the first time, SORS is used to assess the soft, organic tissue beneath the skin's surface. In this study, we demonstrate the diagnostic utility of a hand-held SORS device for evaluating the chemical composition of the adipose tissue. We compared perigonadal white adipose tissue (gWAT) in a murine model of atherosclerosis, heart failure, and high-fat diet (HFD) induced obesity. Our results reveal distinct chemical differences in gWAT between HFD-fed and control mice, showcasing the potential of SORS for intravital adipose tissue phenotype characterization. Furthermore, our findings underscore the effectiveness of SORS as a valuable tool for noninvasive assessment of the adipose tissue composition, holding potential diagnostic significance for metabolic disorders.
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Affiliation(s)
- Ewa Stanek
- Doctoral
School of Exact and Natural Sciences, Jagiellonian
University, 11 Lojasiewicza Str., 30-348 Krakow, Poland
- Jagiellonian
Centre for Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., 30-348 Krakow, Poland
| | - Zuzanna Majka
- Jagiellonian
Centre for Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., 30-348 Krakow, Poland
- Faculty
of Chemistry, Jagiellonian University, 2 Gronostajowa Str., 30-387 Krakow, Poland
| | - Krzysztof Czamara
- Jagiellonian
Centre for Experimental Therapeutics (JCET), Jagiellonian University, 14 Bobrzynskiego Str., 30-348 Krakow, Poland
| | - Joanna Mazurkiewicz
- Doctoral
School of Exact and Natural Sciences, Jagiellonian
University, 11 Lojasiewicza Str., 30-348 Krakow, Poland
- Faculty
of Chemistry, Jagiellonian University, 2 Gronostajowa Str., 30-387 Krakow, Poland
| | - Agnieszka Kaczor
- Faculty
of Chemistry, Jagiellonian University, 2 Gronostajowa Str., 30-387 Krakow, Poland
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4
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Allakhverdiev ES, Kossalbayev BD, Sadvakasova AK, Bauenova MO, Belkozhayev AM, Rodnenkov OV, Martynyuk TV, Maksimov GV, Allakhverdiev SI. Spectral insights: Navigating the frontiers of biomedical and microbiological exploration with Raman spectroscopy. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2024; 252:112870. [PMID: 38368635 DOI: 10.1016/j.jphotobiol.2024.112870] [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: 11/24/2023] [Revised: 01/04/2024] [Accepted: 02/14/2024] [Indexed: 02/20/2024]
Abstract
Raman spectroscopy (RS), a powerful analytical technique, has gained increasing recognition and utility in the fields of biomedical and biological research. Raman spectroscopic analyses find extensive application in the field of medicine and are employed for intricate research endeavors and diagnostic purposes. Consequently, it enjoys broad utilization within the realm of biological research, facilitating the identification of cellular classifications, metabolite profiling within the cellular milieu, and the assessment of pigment constituents within microalgae. This article also explores the multifaceted role of RS in these domains, highlighting its distinct advantages, acknowledging its limitations, and proposing strategies for enhancement.
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Affiliation(s)
- Elvin S Allakhverdiev
- National Medical Research Center of Cardiology named after academician E.I. Chazov, Academician Chazov 15А St., Moscow 121552, Russia; Department of Biophysics, Faculty of Biology, Lomonosov Moscow State University, Moscow, Leninskie Gory 1/12, Moscow 119991, Russia.
| | - Bekzhan D Kossalbayev
- Ecology Research Institute, Khoja Akhmet Yassawi International Kazakh-Turkish University, Turkistan, Kazakhstan; Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, No. 32, West 7th Road, Tianjin Airport Economic Area, 300308 Tianjin, China; Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050038, Kazakhstan; Department of Chemical and Biochemical Engineering, Institute of Geology and Oil-Gas Business Institute Named after K. Turyssov, Satbayev University, Almaty 050043, Kazakhstan
| | - Asemgul K Sadvakasova
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050038, Kazakhstan
| | - Meruyert O Bauenova
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050038, Kazakhstan
| | - Ayaz M Belkozhayev
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty 050038, Kazakhstan; Department of Chemical and Biochemical Engineering, Institute of Geology and Oil-Gas Business Institute Named after K. Turyssov, Satbayev University, Almaty 050043, Kazakhstan; M.A. Aitkhozhin Institute of Molecular Biology and Biochemistry, Almaty 050012, Kazakhstan
| | - Oleg V Rodnenkov
- National Medical Research Center of Cardiology named after academician E.I. Chazov, Academician Chazov 15А St., Moscow 121552, Russia
| | - Tamila V Martynyuk
- National Medical Research Center of Cardiology named after academician E.I. Chazov, Academician Chazov 15А St., Moscow 121552, Russia
| | - Georgy V Maksimov
- Department of Biophysics, Faculty of Biology, Lomonosov Moscow State University, Moscow, Leninskie Gory 1/12, Moscow 119991, Russia
| | - Suleyman I Allakhverdiev
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya Street 35, Moscow 127276, Russia; Institute of Basic Biological Problems, FRC PSCBR Russian Academy of Sciences, Pushchino 142290, Russia; Faculty of Engineering and Natural Sciences, Bahcesehir University, Istanbul, Turkey.
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5
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Umrath F, Schmitt LF, Kliesch SM, Schille C, Geis-Gerstorfer J, Gurewitsch E, Bahrini K, Peters F, Reinert S, Alexander D. Mechanical and Functional Improvement of β-TCP Scaffolds for Use in Bone Tissue Engineering. J Funct Biomater 2023; 14:427. [PMID: 37623671 PMCID: PMC10455746 DOI: 10.3390/jfb14080427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/08/2023] [Accepted: 08/11/2023] [Indexed: 08/26/2023] Open
Abstract
Autologous bone transplantation is still considered as the gold standard therapeutic option for bone defect repair. The alternative tissue engineering approaches have to combine good hardiness of biomaterials whilst allowing good stem cell functionality. To become more useful for load-bearing applications, mechanical properties of calcium phosphate materials have to be improved. In the present study, we aimed to reduce the brittleness of β-tricalcium phosphate (β-TCP). For this purpose, we used three polymers (PDL-02, -02a, -04) for coatings and compared resulting mechanical and degradation properties as well as their impact on seeded periosteal stem cells. Mechanical properties of coated and uncoated β-TCP scaffolds were analyzed. In addition, degradation kinetics analyses of the polymers employed and of the polymer-coated scaffolds were performed. For bioactivity assessment, the scaffolds were seeded with jaw periosteal cells (JPCs) and cultured under untreated and osteogenic conditions. JPC adhesion/proliferation, gene and protein expression by immunofluorescent staining of embedded scaffolds were analyzed. Raman spectroscopy measurements gave an insight into material properties and cell mineralization. PDL-coated β-TCP scaffolds showed a significantly higher flexural strength in comparison to that of uncoated scaffolds. Degradation kinetics showed considerable differences in pH and electrical conductivity of the three different polymer types, while the core material β-TCP was able to stabilize pH and conductivity. Material differences seemed to have an impact on JPC proliferation and differentiation potential, as reflected by the expression of osteogenic marker genes. A homogenous cell colonialization of coated and uncoated scaffolds was detected. Most interesting from a bone engineer's point of view, the PDL-04 coating enabled detection of cell matrix mineralization by Raman spectroscopy. This was not feasible with uncoated scaffolds, due to intercalating effects of the β-TCP material and the JPC-formed calcium phosphate. In conclusion, the use of PDL-04 coating improved the mechanical properties of the β-TCP scaffold and promoted cell adhesion and osteogenic differentiation, whilst allowing detection of cell mineralization within the ceramic core material.
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Affiliation(s)
- Felix Umrath
- Department of Oral and Maxillofacial Surgery, University Hospital Tübingen, 72076 Tübingen, Germany; (F.U.); (L.-F.S.); (S.R.)
- Department of Orthopedic Surgery, University Hospital Tübingen, 72076 Tübingen, Germany
| | - Lukas-Frank Schmitt
- Department of Oral and Maxillofacial Surgery, University Hospital Tübingen, 72076 Tübingen, Germany; (F.U.); (L.-F.S.); (S.R.)
| | | | - Christine Schille
- Section Medical Materials Science and Technology, University Hospital Tübingen, 72076 Tübingen, Germany; (C.S.); (J.G.-G.)
| | - Jürgen Geis-Gerstorfer
- Section Medical Materials Science and Technology, University Hospital Tübingen, 72076 Tübingen, Germany; (C.S.); (J.G.-G.)
| | | | | | - Fabian Peters
- Curasan AG, 65933 Frankfurt, Germany; (E.G.); (K.B.); (F.P.)
| | - Siegmar Reinert
- Department of Oral and Maxillofacial Surgery, University Hospital Tübingen, 72076 Tübingen, Germany; (F.U.); (L.-F.S.); (S.R.)
| | - Dorothea Alexander
- Department of Oral and Maxillofacial Surgery, University Hospital Tübingen, 72076 Tübingen, Germany; (F.U.); (L.-F.S.); (S.R.)
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6
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Kün-Darbois JD, Bertin H, Mouallem G, Corre P, Delabarde T, Chappard D. Bone characteristics in condylar hyperplasia of the temporomandibular joint: a microcomputed tomography, histology, and Raman microspectrometry study. Int J Oral Maxillofac Surg 2022; 52:543-552. [PMID: 36180268 DOI: 10.1016/j.ijom.2022.09.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 09/02/2022] [Accepted: 09/15/2022] [Indexed: 10/14/2022]
Abstract
Unilateral condylar hyperplasia (UCH) of the temporomandibular joint is a progressive deformation of the mandibular condyle of unknown origin. UCH is characterized by excessive growth of the condylar head and neck, leading to an increase in size and volume. The aim of this study was to investigate the characteristics of the bone in patients with UCH using microcomputed tomography (micro-CT), histology, and Raman microspectroscopy. The mandibular condyles of six patients with UCH were analysed using micro-CT, histology, and Raman microspectrometry and imaging, and the results were compared with those obtained for a normal control subject. Three-dimensional micro-CT models revealed focal abnormalities of the bone microarchitecture, with foci of osteosclerosis. Histological sections showed that these foci included islands of calcified cartilage matrix with live chondrocytes. Raman analysis revealed that the cartilage matrix was more heavily calcified than the bone matrix and that the cartilage could be identified by the phenylalanine (PHE) band of its matrix, as well as by its glycosaminoglycan (GAG) content. The persistence of foci of live and active chondrocytes within the bone matrix is intriguing and appears to be pathognomonic of UCH. These new findings on UCH could help to determine its pathophysiology and thus prevent this disease, which can lead to major facial deformity.
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Affiliation(s)
- J-D Kün-Darbois
- Université Angers, GEROM, IRIS-IBS Institut de Biologie en Santé, Angers, France; Service de Chirurgie Maxillo-faciale et Stomatologie, CHU d'Angers, Angers, France; Univ Angers, Nantes Université, Oniris, Inserm, RMeS, REGOS, SFR ICAT, F-49000 Angers, France
| | - H Bertin
- Service de Chirurgie Maxillo-faciale et Stomatologie, CHU de Nantes, Nantes, France; Univ Angers, Nantes Université, Oniris, Inserm, RMeS, REGOS, SFR ICAT, F-49000 Angers, France
| | - G Mouallem
- Service de Chirurgie Maxillo-faciale et Stomatologie, CHU de Nantes, Nantes, France
| | - P Corre
- Service de Chirurgie Maxillo-faciale et Stomatologie, CHU de Nantes, Nantes, France; Univ Angers, Nantes Université, Oniris, Inserm, RMeS, REGOS, SFR ICAT, F-49000 Angers, France
| | - T Delabarde
- Institut Médico-Légal de Paris, Paris, France
| | - D Chappard
- Université Angers, GEROM, IRIS-IBS Institut de Biologie en Santé, Angers, France; Univ Angers, Nantes Université, Oniris, Inserm, RMeS, REGOS, SFR ICAT, F-49000 Angers, France.
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