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Karjalainen VP, Herrera Millar VR, Modina S, Peretti GM, Pallaoro M, Elkhouly K, Saarakkala S, Mobasheri A, Di Giancamillo A, Finnilä MAJ. Age and anatomical region-related differences in vascularization of the porcine meniscus using microcomputed tomography imaging. J Orthop Res 2024. [PMID: 38685793 DOI: 10.1002/jor.25862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 03/28/2024] [Accepted: 04/05/2024] [Indexed: 05/02/2024]
Abstract
Meniscal lesions in vascularized regions are known to regenerate while lack of vascular supply leads to poor healing. Here, we developed and validated a novel methodology for three-dimensional structural analysis of meniscal vascular structures with high-resolution microcomputed tomography (µCT). We collected porcine medial menisci from 10 neonatal (not-developed meniscus, n-) and 10 adults (fully developed meniscus, a-). The menisci were cut into anatomical regions (anterior horn (n-AH and a-AH), central body (n-CB and a-CB), and posterior horn (n-PH and a-PH). Specimens were cut in half, fixed, and one specimen underwent critical point drying and µCT imaging, while other specimen underwent immunohistochemistry and vascularity biomarker CD31 staining for validation of µCT. Parameters describing vascular structures were calculated from µCT. The vascular network in neonatal spread throughout meniscus, while in adult was limited to a few vessels in outer region, mostly on femoral side. n-AH, n-CB, and n-PH had 20, 17, and 11 times greater vascular volume fraction than adult, respectively. Moreover, thickness of blood vessels, in three regions, was six times higher in adults than in neonatal. a-PH appeared to have higher vascular fraction, longer and thicker blood vessels than both a-AH and a-CB. Overall, neonatal regions had a higher number of blood vessels, more branching, and higher tortuosity compared to adult regions. For the first time, critical point drying-based µCT imaging allowed detailed three-dimensional visualization and quantitative analysis of vascularized meniscal structures. We showed more vascularity in neonatal menisci, while adult menisci had fewer and thicker vascularity especially limited to the femoral surface.
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Affiliation(s)
- Ville-Pauli Karjalainen
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland
| | | | - Silvia Modina
- Department of Veterinary Medicine and Animal Sciences, University of Milan, Milan, Italy
| | - Giuseppe M Peretti
- Tissue Engineering and Biomaterials Lab, IRCCS Ospedale Galeazzi Sant'Ambrogio, Milan, Italy
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Margherita Pallaoro
- Department of Veterinary Medicine and Animal Sciences, University of Milan, Milan, Italy
| | - Khaled Elkhouly
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland
| | - Simo Saarakkala
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland
- Department of Diagnostic Radiology, Oulu University Hospital, Oulu, Finland
| | - Ali Mobasheri
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland
| | | | - Mikko A J Finnilä
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland
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Dejea H, Pierantoni M, Orozco GA, B Wrammerfors ET, Gstöhl SJ, Schlepütz CM, Isaksson H. In Situ Loading and Time-Resolved Synchrotron-Based Phase Contrast Tomography for the Mechanical Investigation of Connective Knee Tissues: A Proof-of-Concept Study. Adv Sci (Weinh) 2024:e2308811. [PMID: 38520713 DOI: 10.1002/advs.202308811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 02/26/2024] [Indexed: 03/25/2024]
Abstract
Articular cartilage and meniscus transfer and distribute mechanical loads in the knee joint. Degeneration of these connective tissues occurs during the progression of knee osteoarthritis, which affects their composition, microstructure, and mechanical properties. A deeper understanding of disease progression can be obtained by studying them simultaneously. Time-resolved synchrotron-based X-ray phase-contrast tomography (SR-PhC-µCT) allows to capture the tissue dynamics. This proof-of-concept study presents a rheometer setup for simultaneous in situ unconfined compression and SR-PhC-µCT of connective knee tissues. The microstructural response of bovine cartilage (n = 16) and meniscus (n = 4) samples under axial continuously increased strain, or two steps of 15% strain (stress-relaxation) is studied. The chondrocyte distribution in cartilage and the collagen fiber orientation in the meniscus are assessed. Variations in chondrocyte density reveal an increase in the top 40% of the sample during loading, compared to the lower half. Meniscus collagen fibers reorient perpendicular to the loading direction during compression and partially redisperse during relaxation. Radiation damage, image repeatability, and image quality assessments show little to no effects on the results. In conclusion, this approach is highly promising for future studies of human knee tissues to understand their microstructure, mechanical response, and progression in degenerative diseases.
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Affiliation(s)
- Hector Dejea
- Department of Biomedical Engineering, Lund University, Box 118, Lund, 221 00, Sweden
- MAX IV Laboratory, Lund University, Lund, 224 84, Sweden
| | - Maria Pierantoni
- Department of Biomedical Engineering, Lund University, Box 118, Lund, 221 00, Sweden
| | - Gustavo A Orozco
- Department of Biomedical Engineering, Lund University, Box 118, Lund, 221 00, Sweden
| | | | - Stefan J Gstöhl
- Swiss Light Source, Paul Scherrer Institute, Villigen PSI, 5232, Switzerland
| | | | - Hanna Isaksson
- Department of Biomedical Engineering, Lund University, Box 118, Lund, 221 00, Sweden
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Nair A, Lin CY, Hsu FC, Wong TH, Chuang SC, Lin YS, Chen CH, Campagnola P, Lien CH, Chen SJ. Categorization of collagen type I and II blend hydrogel using multipolarization SHG imaging with ResNet regression. Sci Rep 2023; 13:19534. [PMID: 37945626 PMCID: PMC10636134 DOI: 10.1038/s41598-023-46417-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 10/31/2023] [Indexed: 11/12/2023] Open
Abstract
Previously, the discrimination of collagen types I and II was successfully achieved using peptide pitch angle and anisotropic parameter methods. However, these methods require fitting polarization second harmonic generation (SHG) pixel-wise information into generic mathematical models, revealing inconsistencies in categorizing collagen type I and II blend hydrogels. In this study, a ResNet approach based on multipolarization SHG imaging is proposed for the categorization and regression of collagen type I and II blend hydrogels at 0%, 25%, 50%, 75%, and 100% type II, without the need for prior time-consuming model fitting. A ResNet model, pretrained on 18 progressive polarization SHG images at 10° intervals for each percentage, categorizes the five blended collagen hydrogels with a mean absolute error (MAE) of 0.021, while the model pretrained on nonpolarization images exhibited 0.083 MAE. Moreover, the pretrained models can also generally regress the blend hydrogels at 20%, 40%, 60%, and 80% type II. In conclusion, the multipolarization SHG image-based ResNet analysis demonstrates the potential for an automated approach using deep learning to extract valuable information from the collagen matrix.
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Affiliation(s)
- Anupama Nair
- College of Photonics, National Yang Ming Chiao Tung University, Tainan, Taiwan
| | - Chun-Yu Lin
- College of Photonics, National Yang Ming Chiao Tung University, Tainan, Taiwan
| | - Feng-Chun Hsu
- College of Photonics, National Yang Ming Chiao Tung University, Tainan, Taiwan
| | - Ta-Hsiang Wong
- Department of Medical Education, National Taiwan University Hospital, Taipei, Taiwan
| | - Shu-Chun Chuang
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yi-Shan Lin
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chung-Hwan Chen
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.
- Department of Orthopedics, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
| | - Paul Campagnola
- Department of Biomedical Engineering, College of Engineering, University of Wisconsin-Madison, Madison, WI, USA
| | - Chi-Hsiang Lien
- Department of Mechanical Engineering, National United University, Miaoli, Taiwan.
| | - Shean-Jen Chen
- College of Photonics, National Yang Ming Chiao Tung University, Tainan, Taiwan.
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Canullo L, Giuliani A, Furlani M, Menini M, Piattelli A, Iezzi G. Influence of abutment macro- and micro-geometry on morphologic and morphometric features of peri-implant connective tissue. Clin Oral Implants Res 2023; 34:920-933. [PMID: 37345230 DOI: 10.1111/clr.14118] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 05/10/2023] [Accepted: 06/10/2023] [Indexed: 06/23/2023]
Abstract
OBJECTIVES The aim of the present human observational study is to provide morphologic and morphometric analysis of peri-implant connective tissue next to abutments with divergent or convergent macro-geometry and different surface micro-characteristics. MATERIALS AND METHODS Thirty patients were rehabilitated with single implants in the posterior area and one out of three different healing abutments with a one-stage technique: machined divergent abutment (DIV-MAC), machined convergent abutment (CONV-MAC) or convergent abutment with ultrathin threaded surface (CONV-UTM). At 3 months postimplant insertion, peri-implant soft tissue was harvested; the following outcomes were investigated: histomorphometry (vertical width of connective and epithelial components) as detected by histology and polarized light; and connective tissue vertical width and 3D organization as detected by synchrotron-based high-resolution phase-contrast-based tomography (PhC-μCT). RESULTS Significant differences in connective tissue vertical dimension (aJE-AM) were found between DIV-MAC and both CONV-MAC and CONV-UTM, both by histology and PhC-μCT, with significantly higher values for the last two groups. Moreover, 2D histological analysis did not find significant differences in the junctional epithelium vertical dimension (PM-aJE). Importantly, PhC-μCT analysis revealed, at 3D level, significant greater amount and density of collagen bundles for CONV-UTM compared with the other two groups. CONCLUSIONS Convergent abutment profiles, regardless of their surface micro-geometry, seem to favor axial development of peri-implant connective tissue. Moreover, ultrathin threaded surfaces seem associated with denser and greater connective tissue organization, which might improve peri-implant soft tissue seal.
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Affiliation(s)
- Luigi Canullo
- Unit of Prosthodontics and Implant Prosthodontics, Department of Surgical Sciences (DISC), University of Genova, Genova, Italy
| | - Alessandra Giuliani
- Section BBF, Department of Clinical Sciences (DiSCO), Polytechnic University of Marche, Ancona, Italy
| | - Michele Furlani
- Section BBF, Department of Clinical Sciences (DiSCO), Polytechnic University of Marche, Ancona, Italy
| | - Maria Menini
- Unit of Prosthodontics and Implant Prosthodontics, Department of Surgical Sciences (DISC), University of Genova, Genova, Italy
| | - Adriano Piattelli
- Dental School, University of Belgrade, Belgrade, Serbia
- School of Dentistry, Saint Camillus International University of Health and Medical Sciences, Rome, Italy
- Fondazione Villa Serena per la Ricerca, Città Sant'Angelo, Italy
- Casa di Cura Villa Serena del Dott. L. Petruzzi, Città Sant'Angelo, Italy
| | - Giovanna Iezzi
- Department of Medical, Oral and Biotechnological Sciences, University G. d'Annunzio of Chieti-Pescara, Chieti, Italy
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Abstract
Menisci play an essential role in maintaining normal pain-free function of the knee. While there are decades of MRI literature on the tears involving the meniscus body and horns, there is now a surge in knowledge regarding injuries at the meniscus roots and periphery. The authors briefly highlight new insights into meniscus anatomy and then summarize recent developments in the understanding of meniscus injuries that matter, emphasizing meniscus injuries at the root and peripheral (eg, ramp) regions that may be missed easily at MRI and arthroscopy. Root and ramp tears are important to diagnose because they may be amenable to repair. However, if these tears are left untreated, ongoing pain and accelerated cartilage degeneration may ensue. The posterior roots of the medial and lateral menisci are most commonly affected by injury, and each of these injuries is associated with distinctive clinical profiles, MRI findings, and tear patterns. Specific diagnostic pitfalls can make the roots challenging to evaluate, including MRI artifacts and anatomic variations. As with root tears, MRI interpretation and orthopedic treatment have important differences for injuries at the medial versus lateral meniscus (LM) periphery (located at or near the meniscocapsular junction). Medially, ramp lesions typically occur in the setting of an anterior cruciate ligament rupture and are generally classified into five patterns. Laterally, the meniscocapsular junction may be injured in association with tibial plateau fractures, but disruption of the popliteomeniscal fascicles may also result in a hypermobile LM. Updated knowledge of the meniscus root and ramp tears is crucial in optimizing diagnostic imaging before repair and understanding the clinical repercussions. ©RSNA, 2023 Online supplemental material is available for this article. Quiz questions for this article are available in the Online Learning Center.
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Affiliation(s)
- Hanna Tomsan
- From the Departments of Radiology (H.T., R.D.B.) and Orthopaedic Surgery (G.D.A., S.L.S.), Stanford University School of Medicine, 300 Pasteur Dr, Stanford, CA 94305-5119; Department of Radiology, Einstein Healthcare Network and Jefferson Health, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pa (T.G.); Department of Musculoskeletal Radiology, National Orthopedic Imaging Associates, Greenbrae, Calif (R.C.F.); and Department of Orthopaedic Surgery, Lucile Packard Children's Hospital at Stanford, Palo Alto, Calif (K.G.S.)
| | - Tetyana Gorbachova
- From the Departments of Radiology (H.T., R.D.B.) and Orthopaedic Surgery (G.D.A., S.L.S.), Stanford University School of Medicine, 300 Pasteur Dr, Stanford, CA 94305-5119; Department of Radiology, Einstein Healthcare Network and Jefferson Health, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pa (T.G.); Department of Musculoskeletal Radiology, National Orthopedic Imaging Associates, Greenbrae, Calif (R.C.F.); and Department of Orthopaedic Surgery, Lucile Packard Children's Hospital at Stanford, Palo Alto, Calif (K.G.S.)
| | - Russell C Fritz
- From the Departments of Radiology (H.T., R.D.B.) and Orthopaedic Surgery (G.D.A., S.L.S.), Stanford University School of Medicine, 300 Pasteur Dr, Stanford, CA 94305-5119; Department of Radiology, Einstein Healthcare Network and Jefferson Health, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pa (T.G.); Department of Musculoskeletal Radiology, National Orthopedic Imaging Associates, Greenbrae, Calif (R.C.F.); and Department of Orthopaedic Surgery, Lucile Packard Children's Hospital at Stanford, Palo Alto, Calif (K.G.S.)
| | - Geoffrey D Abrams
- From the Departments of Radiology (H.T., R.D.B.) and Orthopaedic Surgery (G.D.A., S.L.S.), Stanford University School of Medicine, 300 Pasteur Dr, Stanford, CA 94305-5119; Department of Radiology, Einstein Healthcare Network and Jefferson Health, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pa (T.G.); Department of Musculoskeletal Radiology, National Orthopedic Imaging Associates, Greenbrae, Calif (R.C.F.); and Department of Orthopaedic Surgery, Lucile Packard Children's Hospital at Stanford, Palo Alto, Calif (K.G.S.)
| | - Seth L Sherman
- From the Departments of Radiology (H.T., R.D.B.) and Orthopaedic Surgery (G.D.A., S.L.S.), Stanford University School of Medicine, 300 Pasteur Dr, Stanford, CA 94305-5119; Department of Radiology, Einstein Healthcare Network and Jefferson Health, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pa (T.G.); Department of Musculoskeletal Radiology, National Orthopedic Imaging Associates, Greenbrae, Calif (R.C.F.); and Department of Orthopaedic Surgery, Lucile Packard Children's Hospital at Stanford, Palo Alto, Calif (K.G.S.)
| | - Kevin G Shea
- From the Departments of Radiology (H.T., R.D.B.) and Orthopaedic Surgery (G.D.A., S.L.S.), Stanford University School of Medicine, 300 Pasteur Dr, Stanford, CA 94305-5119; Department of Radiology, Einstein Healthcare Network and Jefferson Health, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pa (T.G.); Department of Musculoskeletal Radiology, National Orthopedic Imaging Associates, Greenbrae, Calif (R.C.F.); and Department of Orthopaedic Surgery, Lucile Packard Children's Hospital at Stanford, Palo Alto, Calif (K.G.S.)
| | - Robert D Boutin
- From the Departments of Radiology (H.T., R.D.B.) and Orthopaedic Surgery (G.D.A., S.L.S.), Stanford University School of Medicine, 300 Pasteur Dr, Stanford, CA 94305-5119; Department of Radiology, Einstein Healthcare Network and Jefferson Health, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pa (T.G.); Department of Musculoskeletal Radiology, National Orthopedic Imaging Associates, Greenbrae, Calif (R.C.F.); and Department of Orthopaedic Surgery, Lucile Packard Children's Hospital at Stanford, Palo Alto, Calif (K.G.S.)
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Liang H, Yan Y, Sun W, Ma X, Su Z, Liu Z, Chen Y, Yu B. Preparation of Melatonin-Loaded Nanoparticles with Targeting and Sustained Release Function and Their Application in Osteoarthritis. Int J Mol Sci 2023; 24:ijms24108740. [PMID: 37240086 DOI: 10.3390/ijms24108740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/07/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023] Open
Abstract
(1) The vicious cycle of innate immune response and reactive oxygen species (ROS) generation is an important pathological process of osteoarthritis (OA). Melatonin may be a new hope for the treatment of OA because of its antioxidant capacity. However, the mechanism of melatonin in the treatment of OA is still not completely clear, and the physiological characteristics of articular cartilage make melatonin unable to play a long-term role in OA. (2) The effects of melatonin on ROS and the innate immune response system in OA chondrocytes and the therapeutic effect in vivo were evaluated. Then, a melatonin-loaded nano-delivery system (MT@PLGA-COLBP) was prepared and characterized. Finally, the behavior of MT@PLGA-COLPB in cartilage and the therapeutic effect in OA mice were evaluated. (3) Melatonin can inhibit the activation of the innate immune system by inhibiting the TLR2/4-MyD88-NFκB signal pathway and scavenging ROS, thus improving cartilage matrix metabolism and delaying the progression of OA in vivo. MT@PLGA-COLBP can reach the interior of cartilage and complete the accumulation in OA knee joints. At the same time, it can reduce the number of intra-articular injections and improve the utilization rate of melatonin in vivo. (4) This work provides a new idea for the treatment of osteoarthritis, updates the mechanism of melatonin in the treatment of osteoarthritis, and highlights the application prospect of PLGA@MT-COLBP nanoparticles in preventing OA.
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Affiliation(s)
- Haifeng Liang
- Orthopedic and Traumatology Department, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Yiran Yan
- Orthopedic and Traumatology Department, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Wei Sun
- Orthopedic and Traumatology Department, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Xiaogang Ma
- Orthopedic and Traumatology Department, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Zhiwen Su
- Orthopedic and Traumatology Department, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Zhongxun Liu
- Orthopedic and Traumatology Department, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Yan Chen
- Ultrasound Medical Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Bo Yu
- Orthopedic and Traumatology Department, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
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Ojanen SP, Finnilä MAJ, Herzog W, Saarakkala S, Korhonen RK, Rieppo L. Micro-computed Tomography-Based Collagen Orientation and Anisotropy Analysis of Rabbit Articular Cartilage. Ann Biomed Eng 2023:10.1007/s10439-023-03183-4. [PMID: 37005948 DOI: 10.1007/s10439-023-03183-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 02/27/2023] [Indexed: 04/04/2023]
Abstract
The collagen network is the highly organized backbone of articular cartilage providing tissue tensile stiffness and restricting proteoglycan bleaching out of the tissue. Osteoarthritis (OA) diminishes proper collagen network adaptation. Our aim was to provide quantitative three-dimensional (3D) information of the cartilage collagen network adaptation in early osteoarthritis using high resolution micro-computed tomography (µCT)-imaging. Osteochondral samples from the femoral condyles were collected from healthy (N = 8, both legs) and experimental OA rabbit model with anterior cruciate ligament transection (N = 14, single leg). Samples were processed for cartilage µCT-imaging and histological evaluation with polarized light microscopy (PLM). Structure tensor analysis was used to analyse the collagen fibre orientation and anisotropy of the µCT-images, and PLM was used as a validation for structural changes. Depth-wise comparison of collagen fibre orientation acquired with µCT-imaging and PLM correlated well, but the values obtained with PLM were systematically greater than those measured with µCT-imaging. Structure tensor analysis allowed for 3D quantification of collagen network anisotropy. Finally, µCT-imaging revealed only minor differences between the control and experimental groups.
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Affiliation(s)
- Simo P Ojanen
- Department of Technical Physics, University of Eastern Finland, P.O. Box 1627, 70210, Kuopio, Finland.
- Research Unit of Health Sciences and Technology, University of Oulu, Oulu, Finland.
| | - Mikko A J Finnilä
- Department of Technical Physics, University of Eastern Finland, P.O. Box 1627, 70210, Kuopio, Finland
- Research Unit of Health Sciences and Technology, University of Oulu, Oulu, Finland
| | - Walter Herzog
- Human Performance Laboratory, Faculty of Kinesiology, University of Calgary, Calgary, AB, Canada
| | - Simo Saarakkala
- Research Unit of Health Sciences and Technology, University of Oulu, Oulu, Finland
- Department of Diagnostic Radiology, Oulu University Hospital, Oulu, Finland
| | - Rami K Korhonen
- Department of Technical Physics, University of Eastern Finland, P.O. Box 1627, 70210, Kuopio, Finland
| | - Lassi Rieppo
- Research Unit of Health Sciences and Technology, University of Oulu, Oulu, Finland
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Hellberg I, Karjalainen VP, Finnilä MAJ, Jonsson E, Turkiewicz A, Önnerfjord P, Hughes V, Tjörnstrand J, Englund M, Saarakkala S. 3D analysis and grading of calcifications from ex vivo human meniscus. Osteoarthritis Cartilage 2023; 31:482-492. [PMID: 36356928 PMCID: PMC7614369 DOI: 10.1016/j.joca.2022.10.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 10/31/2022] [Accepted: 10/31/2022] [Indexed: 11/09/2022]
Abstract
OBJECTIVE Meniscal calcifications are associated with the pathogenesis of knee osteoarthritis (OA). We propose a micro-computed tomography (μCT) based 3D analysis of meniscal calcifications ex vivo, including a new grading system. METHOD Human medial and lateral menisci were obtained from 10 patients having total knee replacement for medial compartment OA and 10 deceased donors without knee OA (healthy references). The samples were fixed; one subsection was imaged with μCT, and the adjacent tissue was processed for histological evaluation. Calcifications were examined from the reconstructed 3D μCT images, and a new grading system was developed. To validate the grading system, meniscal calcification volumes (CVM) were quantitatively analyzed and compared between the calcification grades. Furthermore, we estimated the relationship between histopathological degeneration and the calcification severity. RESULTS 3D μCT images depict calcifications in every sample, including diminutive calcifications that are not visible in histology. In the new grading system, starting from grade 2, each grade results in a CVM that is 20.3 times higher (95% CI 13.3-30.5) than in the previous grade. However, there was no apparent difference in CVM between grades 1 and 2. The calcification grades appear to increase with the increasing histopathological degeneration, although histopathological degeneration is also observed with small calcification grades. CONCLUSIONS 3D μCT grading of meniscal calcifications is feasible. Interestingly, it seems that there are two patterns of degeneration in the menisci of our sample set: 1) with diminutive calcifications (calcification grades 1-2), and 2) with large to widespread calcifications (calcification grades 3-5).
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Affiliation(s)
- I Hellberg
- Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland.
| | - V-P Karjalainen
- Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland.
| | - M A J Finnilä
- Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland.
| | - E Jonsson
- Lund University, Faculty of Medicine, Department of Clinical Sciences Lund, Orthopaedics, Clinical Epidemiology Unit, Lund, Sweden; Lund University, Faculty of Medicine, Department of Clinical Sciences Lund, Rheumatology and Molecular Skeletal Biology, Lund, Sweden.
| | - A Turkiewicz
- Lund University, Faculty of Medicine, Department of Clinical Sciences Lund, Orthopaedics, Clinical Epidemiology Unit, Lund, Sweden.
| | - P Önnerfjord
- Lund University, Faculty of Medicine, Department of Clinical Sciences Lund, Rheumatology and Molecular Skeletal Biology, Lund, Sweden.
| | - V Hughes
- Lund University, Faculty of Medicine, Department of Clinical Sciences Lund, Orthopaedics, Clinical Epidemiology Unit, Lund, Sweden.
| | - J Tjörnstrand
- Lund University, Skane University Hospital, Department of Clinical Sciences Lund, Orthopaedics, Lund, Sweden.
| | - M Englund
- Lund University, Faculty of Medicine, Department of Clinical Sciences Lund, Orthopaedics, Clinical Epidemiology Unit, Lund, Sweden.
| | - S Saarakkala
- Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland; Department of Diagnostic Radiology, Oulu University Hospital, Oulu, Finland.
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Li X, Roemer FW, Cicuttini F, MacKay JW, Turmezei T, Link TM. Early knee OA definition-what do we know at this stage? An imaging perspective. Ther Adv Musculoskelet Dis 2023; 15:1759720X231158204. [PMID: 36937824 PMCID: PMC10017942 DOI: 10.1177/1759720x231158204] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 02/01/2023] [Indexed: 03/16/2023] Open
Abstract
While criteria for early-stage knee osteoarthritis (OA) in a primary care setting have been proposed, the role of imaging has been limited to radiography using the standard Kellgren-Lawrence classification. Standardized imaging and interpretation are critical with radiographs, yet studies have also shown that even early stages of radiographic OA already demonstrate advanced damage to knee joint tissues such as cartilage, menisci, and bone marrow. Morphological magnetic resonance imaging (MRI) shows degenerative damage earlier than radiographs and definitions for OA using MRI have been published though no accepted definition of early OA based on MRI is currently available. The clinical significance of structural abnormalities has also not been well defined, and the differentiation between normal aging and structural OA development remains a challenge. Compositional MRI of cartilage provides information on biochemical, degenerative changes within the cartilage matrix before cartilage defects occur and when cartilage damage is potentially reversible. Studies have shown that cartilage composition can predict cartilage loss and radiographic OA. However, while this technology is most promising for characterizing early OA it has currently limited clinical application. Better standardization of compositional MRI is required, which is currently work in progress. Finally, there has been renewed interest in computed tomography (CT) for assessing early knee OA as new techniques such as weight bearing and spectral CT are available, which may provide information on joint loading, cartilage, and bone and potentially have a role in better characterizing early OA. In conclusion, while imaging may have a limited role in diagnosing early OA in a primary care setting, there are advanced imaging technologies available, which detect early degeneration and may thus significantly alter management as new therapeutic modalities evolve.
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Affiliation(s)
- Xiaojuan Li
- Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Frank W. Roemer
- Department of Radiology, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Flavia Cicuttini
- Musculoskeletal Unit, Monash University and Rheumatology, Alfred Hospital, Melbourne, VIC, Australia
| | - Jamie W. MacKay
- Department of Radiology, University of Cambridge, Cambridge, UK
- Norwich Medical School, University of East Anglia, Norwich, UK
| | - Tom Turmezei
- Department of Radiology, Norfolk and Norwich University Hospital, Norwich, UK
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10
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Rasheed B, Ayyalasomayajula V, Schaarschmidt U, Vagstad T, Schaathun HG. Region- and layer-specific investigations of the human menisci using SHG imaging and biaxial testing. Front Bioeng Biotechnol 2023; 11:1167427. [PMID: 37143602 PMCID: PMC10151675 DOI: 10.3389/fbioe.2023.1167427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 04/04/2023] [Indexed: 05/06/2023] Open
Abstract
In this paper, we examine the region- and layer-specific collagen fiber morphology via second harmonic generation (SHG) in combination with planar biaxial tension testing to suggest a structure-based constitutive model for the human meniscal tissue. Five lateral and four medial menisci were utilized, with samples excised across the thickness from the anterior, mid-body, and posterior regions of each meniscus. An optical clearing protocol enhanced the scan depth. SHG imaging revealed that the top samples consisted of randomly oriented fibers with a mean fiber orientation of 43.3 o . The bottom samples were dominated by circumferentially organized fibers, with a mean orientation of 9.5 o . Biaxial testing revealed a clear anisotropic response, with the circumferential direction being stiffer than the radial direction. The bottom samples from the anterior region of the medial menisci exhibited higher circumferential elastic modulus with a mean value of 21 MPa. The data from the two testing protocols were combined to characterize the tissue with an anisotropic hyperelastic material model based on the generalized structure tensor approach. The model showed good agreement in representing the material anisotropy with a mean r 2 = 0.92.
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Affiliation(s)
- Bismi Rasheed
- Cyber-Physical Systems Laboratory, Department of ICT and Natural Sciences, Norwegian University of Science and Technology (NTNU), Ålesund, Norway
- Ålesund Biomechanics Lab, Ålesund General Hospital, Møre and Romsdal Hospital Trust, Ålesund, Norway
- *Correspondence: Bismi Rasheed,
| | - Venkat Ayyalasomayajula
- Division of Biomechanics, Department of Structural Engineering, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Ute Schaarschmidt
- Cyber-Physical Systems Laboratory, Department of ICT and Natural Sciences, Norwegian University of Science and Technology (NTNU), Ålesund, Norway
| | - Terje Vagstad
- Cyber-Physical Systems Laboratory, Department of ICT and Natural Sciences, Norwegian University of Science and Technology (NTNU), Ålesund, Norway
- Ålesund Biomechanics Lab, Ålesund General Hospital, Møre and Romsdal Hospital Trust, Ålesund, Norway
- Department of Orthopaedic Surgery, Medi3, Ålesund, Norway
| | - Hans Georg Schaathun
- Cyber-Physical Systems Laboratory, Department of ICT and Natural Sciences, Norwegian University of Science and Technology (NTNU), Ålesund, Norway
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11
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Herrera Millar VR, Canciani B, Mangiavini L, Filipe JFS, Aidos L, Pallaoro M, Peretti GM, Pocar P, Modina SC, Di Giancamillo A. Endostatin in 3D Fibrin Hydrogel Scaffolds Promotes Chondrogenic Differentiation in Swine Neonatal Meniscal Cells. Biomedicines 2022; 10:biomedicines10102415. [PMID: 36289678 PMCID: PMC9598439 DOI: 10.3390/biomedicines10102415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 09/16/2022] [Accepted: 09/22/2022] [Indexed: 11/16/2022] Open
Abstract
The success of cell-based approaches for the treatment of cartilage or fibro-cartilaginous tissue defects requires an optimal cell source with chondrogenic differentiation ability that maintains its differentiated properties and stability following implantation. For this purpose, the aim of this study was to evaluate the use of endostatin (COL18A1), an anti-angiogenic factor, which is physiologically involved in cell differentiation during meniscus development. Swine neonatal meniscal cells not yet subjected to mechanical stimuli were extracted, cultured in fibrin hydrogel scaffolds, and treated at two different time points (T1 = 9 days and T2 = 21 days) with different concentrations of COL18A1 (10 ng/mL; 100 ng/mL; 200 ng/mL). At the end of the treatments, the scaffolds were examined through biochemical, molecular, and histochemical analyses. The results showed that the higher concentration of COL18A1 promotes a fibro-chondrogenic phenotype and improves cellularity index (DNA content, p < 0.001) and cell efficiency (GAGs/DNA ratio, p < 0.01) after 21 days. These data are supported by the molecular analysis of collagen type I (COL1A1, a marker of fibrous-like tissue, p < 0.001), collagen type II (COL2A1, a marker of cartilaginous-like tissue, p < 0.001) and SRY-Box Transcription Factor 9 (SOX9, an early marker of chondrogenicity, p < 0.001), as well as by histological analysis (Safranin-O staining), laying the foundations for future studies evaluating the involvement of 3D endostatin hydrogel scaffolds in the differentiation of avascular tissues.
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Affiliation(s)
| | - Barbara Canciani
- IRCCS Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi, 4, 20161 Milano, Italy
| | - Laura Mangiavini
- Department of Biomedical Sciences for Health, University of Milan, Via Mangiagalli 31, 20133 Milan, Italy
- IRCCS Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi, 4, 20161 Milano, Italy
| | - Joel Fernando Soares Filipe
- Department of Veterinary Medicine and Animal Sciences (DIVAS), University of Milan, Via dell’Università 6, 26900 Lodi, Italy
| | - Lucia Aidos
- Department of Biomedical Sciences for Health, University of Milan, Via Mangiagalli 31, 20133 Milan, Italy
| | - Margherita Pallaoro
- Department of Veterinary Medicine and Animal Sciences (DIVAS), University of Milan, Via dell’Università 6, 26900 Lodi, Italy
| | - Giuseppe Maria Peretti
- Department of Biomedical Sciences for Health, University of Milan, Via Mangiagalli 31, 20133 Milan, Italy
- IRCCS Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi, 4, 20161 Milano, Italy
| | - Paola Pocar
- Department of Veterinary Medicine and Animal Sciences (DIVAS), University of Milan, Via dell’Università 6, 26900 Lodi, Italy
| | - Silvia Clotilde Modina
- Department of Veterinary Medicine and Animal Sciences (DIVAS), University of Milan, Via dell’Università 6, 26900 Lodi, Italy
| | - Alessia Di Giancamillo
- Department of Biomedical Sciences for Health, University of Milan, Via Mangiagalli 31, 20133 Milan, Italy
- Correspondence:
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12
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Song K, Yu Z, Zu X, Li G, Hu Z, Xue Y. Collagen Remodeling along Cancer Progression Providing a Novel Opportunity for Cancer Diagnosis and Treatment. Int J Mol Sci 2022; 23:10509. [PMID: 36142424 DOI: 10.3390/ijms231810509] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/01/2022] [Accepted: 09/07/2022] [Indexed: 12/12/2022] Open
Abstract
The extracellular matrix (ECM) is a significant factor in cancer progression. Collagens, as the main component of the ECM, are greatly remodeled alongside cancer development. More and more studies have confirmed that collagens changed from a barrier to providing assistance in cancer development. In this course, collagens cause remodeling alongside cancer progression, which in turn, promotes cancer development. The interaction between collagens and tumor cells is complex with biochemical and mechanical signals intervention through activating diverse signal pathways. As the mechanism gradually clears, it becomes a new target to find opportunities to diagnose and treat cancer. In this review, we investigated the process of collagen remodeling in cancer progression and discussed the interaction between collagens and cancer cells. Several typical effects associated with collagens were highlighted in the review, such as fibrillation in precancerous lesions, enhancing ECM stiffness, promoting angiogenesis, and guiding invasion. Then, the values of cancer diagnosis and prognosis were focused on. It is worth noting that several generated fragments in serum were reported to be able to be biomarkers for cancer diagnosis and prognosis, which is beneficial for clinic detection. At a glance, a variety of reported biomarkers were summarized. Many collagen-associated targets and drugs have been reported for cancer treatment in recent years. The new targets and related drugs were discussed in the review. The mass data were collected and classified by mechanism. Overall, the interaction of collagens and tumor cells is complicated, in which the mechanisms are not completely clear. A lot of collagen-associated biomarkers are excavated for cancer diagnosis. However, new therapeutic targets and related drugs are almost in clinical trials, with merely a few in clinical applications. So, more efforts are needed in collagens-associated studies and drug development for cancer research and treatment.
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13
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Einarsson E, Pierantoni M, Novak V, Svensson J, Isaksson H, Englund M. Phase-contrast enhanced synchrotron micro-tomography of human meniscus tissue. Osteoarthritis Cartilage 2022; 30:1222-1233. [PMID: 35750240 DOI: 10.1016/j.joca.2022.06.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 05/27/2022] [Accepted: 06/13/2022] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To investigate the feasibility of synchrotron radiation-based phase contrast enhanced micro-computed tomography (SR-PhC-μCT) for imaging of human meniscus. Quantitative parameters related to fiber orientation and crimping were evaluated as potential markers of tissue degeneration. DESIGN Human meniscus specimens from 10 deceased donors were prepared using different preparation schemes: fresh frozen and thawed before imaging or fixed and paraffin-embedded. The samples were imaged using SR-PhC-μCT with an isotropic voxel size of 1.625 μm. Image quality was evaluated by visual inspection and spatial resolution. Fiber voxels were defined using a grey level threshold and a structure tensor analysis was applied to estimate collagen fiber orientation. The area at half maximum (FAHM) was calculated from angle histograms to quantify orientation distribution. Crimping period was calculated from the power spectrum of image profiles of crimped fibers. Parameters were compared to degenerative stage as evaluated by Pauli histopathological scoring. RESULTS Image quality was similar between frozen and embedded samples and spatial resolutions ranged from 5.1 to 5.8 μm. Fiber structure, including crimping, was clearly visible in the images. Fibers appeared to be less organized closer to the tip of the meniscus. Fiber density might decrease slightly with degeneration. FAHM and crimping period did not show any clear association with histopathological scoring. CONCLUSION SR-PhC-μCT is a feasible technique for high-resolution 3D imaging of fresh frozen meniscus tissue. Further work is needed to establish quantitative parameters that relate to tissue degeneration, but this imaging technique is promising for future studies of meniscus structure and biomechanical response.
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Affiliation(s)
- E Einarsson
- Medical Radiation Physics, Department of Translational Medicine, Lund University, Malmö, Sweden; Clinical Epidemiology Unit, Orthopedics, Department of Clinical Sciences Lund, Lund University, Lund, Sweden.
| | - M Pierantoni
- Department of Biomedical Engineering, Lund University, Lund, Sweden
| | - V Novak
- Swiss Light Source, Paul Scherrer Institute, Villigen, Switzerland
| | - J Svensson
- Medical Radiation Physics, Department of Translational Medicine, Lund University, Malmö, Sweden; Medical Imaging and Physiology, Skåne University Hospital, Lund, Sweden
| | - H Isaksson
- Department of Biomedical Engineering, Lund University, Lund, Sweden
| | - M Englund
- Clinical Epidemiology Unit, Orthopedics, Department of Clinical Sciences Lund, Lund University, Lund, Sweden
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14
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Yoshioka NK, Young GM, Khajuria DK, Karuppagounder V, Pinamont WJ, Fanburg-Smith JC, Abraham T, Elbarbary RA, Kamal F. Structural changes in the collagen network of joint tissues in late stages of murine OA. Sci Rep 2022; 12:9159. [PMID: 35650306 PMCID: PMC9160297 DOI: 10.1038/s41598-022-13062-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 04/28/2022] [Indexed: 11/23/2022] Open
Abstract
Osteoarthritis (OA) is the most prevalent degenerative joint disease, resulting in joint pain, impaired movement, and structural changes. As the ability of joint tissue to resist stress is mainly imparted by fibrillar collagens in the extracellular matrix, changes in the composition and structure of collagen fibers contribute to the pathological remodeling observed in OA joints that includes cartilage degeneration, subchondral bone (SCB) sclerosis, and meniscal damage. Using the established OA model of destabilization of the medial meniscus (DMM) in C57BL/6J mice, we performed a comprehensive analysis of the content and structure of collagen fibers in the articular cartilage, subchondral bone, and menisci using complementary techniques, which included second harmonic generation microscopy and immunofluorescence staining. We found that regions exposed to increased mechanical stress in OA mice, typically closest to the site of injury, had increased collagen fiber thickness, dysregulated fiber formation, and tissue specific changes in collagen I and II (Col I and Col II) expression. In cartilage, OA was associated with decreased Col II expression in all regions, and increased Col I expression in the anterior and posterior regions. Col I fiber thickness was increased in all regions with disorganization in the center region. In the superficial SCB, all regions exhibited increased Col I expression and fiber thickness in OA mice; no changes were detected in the deeper regions of the subchondral bone except for increased Col I fiber thickness. In the menisci, OA led to increased Col I and Col II expression in the vascular and avascular regions of the anterior meniscus with increased Col I fiber thickness in these regions. Similar changes were observed only in the vascular region of the posterior meniscus. Our findings provide, for the first time, comprehensive insights into the microarchitectural changes of extracellular matrix in OA and serve as guidelines for studies investigating therapies that target collagenous changes as means to impede the progression of osteoarthritis.
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Affiliation(s)
- Natalie K Yoshioka
- Center for Orthopedic Research and Translational Sciences (CORTS), Penn State College of Medicine, Hershey, PA, USA.,Department of Orthopedics and Rehabilitation, Penn State College of Medicine, Hershey, PA, USA
| | - Gregory M Young
- Center for Orthopedic Research and Translational Sciences (CORTS), Penn State College of Medicine, Hershey, PA, USA.,Department of Orthopedics and Rehabilitation, Penn State College of Medicine, Hershey, PA, USA
| | - Deepak Kumar Khajuria
- Center for Orthopedic Research and Translational Sciences (CORTS), Penn State College of Medicine, Hershey, PA, USA.,Department of Orthopedics and Rehabilitation, Penn State College of Medicine, Hershey, PA, USA
| | - Vengadeshprabhu Karuppagounder
- Center for Orthopedic Research and Translational Sciences (CORTS), Penn State College of Medicine, Hershey, PA, USA.,Department of Orthopedics and Rehabilitation, Penn State College of Medicine, Hershey, PA, USA
| | - William J Pinamont
- Center for Orthopedic Research and Translational Sciences (CORTS), Penn State College of Medicine, Hershey, PA, USA.,Department of Orthopedics and Rehabilitation, Penn State College of Medicine, Hershey, PA, USA
| | - Julie C Fanburg-Smith
- Department of Pathology, Penn State Health/Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Thomas Abraham
- Department of Neural and Behavioral Science, Penn State University College of Medicine, Hershey, PA, USA.,Microscopy Imaging Facility, Penn State University College of Medicine, Hershey, PA, USA
| | - Reyad A Elbarbary
- Center for Orthopedic Research and Translational Sciences (CORTS), Penn State College of Medicine, Hershey, PA, USA. .,Department of Orthopedics and Rehabilitation, Penn State College of Medicine, Hershey, PA, USA. .,Department of Biochemistry and Molecular Biology, Penn State College of Medicine, Hershey, PA, USA.
| | - Fadia Kamal
- Center for Orthopedic Research and Translational Sciences (CORTS), Penn State College of Medicine, Hershey, PA, USA. .,Department of Orthopedics and Rehabilitation, Penn State College of Medicine, Hershey, PA, USA. .,Department of Pharmacology, Penn State College of Medicine, Hershey, PA, USA.
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15
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Ghaffari-Bohlouli P, Jafari H, Taebnia N, Abedi A, Amirsadeghi A, Niknezhad SV, Alimoradi H, Jafarzadeh S, Mirzaei M, Nie L, Zhang J, Varma RS, Shavandi A. Protein by-products: Composition, extraction, and biomedical applications. Crit Rev Food Sci Nutr 2022; 63:9436-9481. [PMID: 35546340 DOI: 10.1080/10408398.2022.2067829] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Significant upsurge in animal by-products such as skin, bones, wool, hides, feathers, and fats has become a global challenge and, if not properly disposed of, can spread contamination and viral diseases. Animal by-products are rich in proteins, which can be used as nutritional, pharmacologically functional ingredients, and biomedical materials. Therefore, recycling these abundant and renewable by-products and extracting high value-added components from them is a sustainable approach to reclaim animal by-products while addressing scarce landfill resources. This article appraises the most recent studies conducted in the last five years on animal-derived proteins' separation and biomedical application. The effort encompasses an introduction about the composition, an overview of the extraction and purification methods, and the broad range of biomedical applications of these ensuing proteins.
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Affiliation(s)
| | - Hafez Jafari
- 3BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium
| | - Nayere Taebnia
- Center for Intestinal Absorption and Transport of Biopharmaceuticals, Department of Health Technology, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Ali Abedi
- Department of Life Science Engineering, Faculty of New Sciences and Technology, University of Tehran, Tehran, Iran
| | - Armin Amirsadeghi
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyyed Vahid Niknezhad
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Houman Alimoradi
- School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
| | - Sina Jafarzadeh
- Department of Energy Conversion and Storage, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Mahta Mirzaei
- 3BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium
| | - Lei Nie
- 3BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Jianye Zhang
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State & NMPA Key Laboratory of Respiratory Disease, Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, P.R. China
| | - Rajender S Varma
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacky University, Olomouc, Czech Republic
| | - Amin Shavandi
- 3BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium
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