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Fiehn LA, Kunisch E, Saur M, Arango-Ospina M, Merle C, Hagmann S, Stiller A, Hupa L, Kaňková H, Galusková D, Renkawitz T, Boccaccini AR, Westhauser F. A comparative in vitro and in vivo analysis of the impact of copper substitution on the cytocompatibility, osteogenic, and angiogenic properties of a borosilicate bioactive glass. J Biomed Mater Res A 2024; 112:1740-1759. [PMID: 38623001 DOI: 10.1002/jbm.a.37721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 03/10/2024] [Accepted: 04/01/2024] [Indexed: 04/17/2024]
Abstract
The 0106-B1-bioactive glass (BG) composition (in wt %: 37.5 SiO2, 22.6 CaO, 5.9 Na2O, 4.0 P2O5, 12.0 K2O, 5.5 MgO, and 12.5 B2O3) has demonstrated favorable processing properties and promising bone regeneration potential. The present study aimed to evaluate the biological effects of the incorporation of highly pro-angiogenic copper (Cu) in 0106-B1-BG in vitro using human bone marrow-derived mesenchymal stromal cells (BMSCs) as well as its in vivo potential for bone regeneration. CuO was added to 0106-B1-BG in exchange for CaO, resulting in Cu-doped BG compositions containing 1.0, 2.5 and 5.0 wt % CuO (composition in wt %: 37.5 SiO2, 21.6/ 20.1/17.6 CaO, 5.9 Na2O, 4.0 P2O5, 12.0 K2O, 5.5 MgO, 12.5 B2O3, and 1.0/ 2.5/ 5.0 CuO). In vitro, the BGs' impact on the viability, proliferation, and growth patterns of BMSCs was evaluated. Analyses of protein secretion, matrix formation, and gene expression were used for the assessment of the BGs' influence on BMSCs regarding osteogenic differentiation and angiogenic stimulation. The presence of Cu improved cytocompatibility, osteogenic differentiation, and angiogenic response when compared with unmodified 0106-B1-BG in vitro. In vivo, a critical-size femoral defect in rats was filled with scaffolds made from BGs. Bone regeneration was evaluated by micro-computed tomography. Histological analysis was performed to assess bone maturation and angiogenesis. In vivo effects regarding defect closure, presence of osteoclastic cells or vascular structures in the defect were not significantly changed by the addition of Cu compared with undoped 0106-B1-BG scaffolds. Hence, while the in vitro properties of the 0106-B1-BG were significantly improved by the incorporation of Cu, further evaluation of the BG composition is necessary to transfer these effects to an in vivo setting.
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Affiliation(s)
- Linn Anna Fiehn
- Department of Orthopaedics, Heidelberg University Hospital, Heidelberg, Germany
| | - Elke Kunisch
- Department of Orthopaedics, Heidelberg University Hospital, Heidelberg, Germany
| | - Merve Saur
- Department of Orthopaedics, Heidelberg University Hospital, Heidelberg, Germany
| | | | - Christian Merle
- Department of Orthopaedics, Heidelberg University Hospital, Heidelberg, Germany
| | - Sébastien Hagmann
- Department of Orthopaedics, Heidelberg University Hospital, Heidelberg, Germany
| | - Adrian Stiller
- Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Turku, Finland
| | - Leena Hupa
- Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Turku, Finland
| | - Hana Kaňková
- Centre for Functional and Surface Functionalized Glass, Alexander Dubček University of Trenčín, Trenčín, Slovakia
| | - Dagmar Galusková
- Centre for Functional and Surface Functionalized Glass, Alexander Dubček University of Trenčín, Trenčín, Slovakia
| | - Tobias Renkawitz
- Department of Orthopaedics, Heidelberg University Hospital, Heidelberg, Germany
| | - Aldo R Boccaccini
- Institute of Biomaterials, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Fabian Westhauser
- Department of Orthopaedics, Heidelberg University Hospital, Heidelberg, Germany
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2
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Fujimoto H, Yoshihara M, Rodgers R, Iyoshi S, Mogi K, Miyamoto E, Hayakawa S, Hayashi M, Nomura S, Kitami K, Uno K, Sugiyama M, Koya Y, Yamakita Y, Nawa A, Enomoto A, Ricciardelli C, Kajiyama H. Tumor-associated fibrosis: a unique mechanism promoting ovarian cancer metastasis and peritoneal dissemination. Cancer Metastasis Rev 2024; 43:1037-1053. [PMID: 38546906 PMCID: PMC11300578 DOI: 10.1007/s10555-024-10169-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 01/11/2024] [Indexed: 08/06/2024]
Abstract
Epithelial ovarian cancer (EOC) is often diagnosed in advanced stage with peritoneal dissemination. Recent studies indicate that aberrant accumulation of collagen fibers in tumor stroma has a variety of effects on tumor progression. We refer to remodeled fibrous stroma with altered expression of collagen molecules, increased stiffness, and highly oriented collagen fibers as tumor-associated fibrosis (TAF). TAF contributes to EOC cell invasion and metastasis in the intraperitoneal cavity. However, an understanding of molecular events involved is only just beginning to emerge. Further development in this field will lead to new strategies to treat EOC. In this review, we focus on the recent findings on how the TAF contributes to EOC malignancy. Furthermore, we will review the recent initiatives and future therapeutic strategies for targeting TAF in EOC.
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Affiliation(s)
- Hiroki Fujimoto
- Department of Obstetrics and Gynaecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
- Discipline of Obstetrics and Gynaecology, Adelaide Medical School, Robinson Research Institute, University of Adelaide, Adelaide, Australia
| | - Masato Yoshihara
- Department of Obstetrics and Gynaecology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
| | - Raymond Rodgers
- School of Biomedicine, Robinson Research Institute, The University of Adelaide, Adelaide, Australia
| | - Shohei Iyoshi
- Department of Obstetrics and Gynaecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
- Spemann Graduate School of Biology and Medicine, University of Freiburg, Freiburg im Breisgau, Germany
| | - Kazumasa Mogi
- Department of Obstetrics and Gynaecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Emiri Miyamoto
- Department of Obstetrics and Gynaecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Sae Hayakawa
- Department of Obstetrics and Gynaecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Maia Hayashi
- Department of Obstetrics and Gynaecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Satoshi Nomura
- Department of Obstetrics and Gynaecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kazuhisa Kitami
- Department of Obstetrics and Gynaecology, Kitasato University School of Medicine, Sagamihara, Japan
| | - Kaname Uno
- Department of Obstetrics and Gynaecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
- Division of Clinical Genetics, Department of Laboratory Medicine, Lund University Graduate School of Medicine, Lund, Sweden
| | - Mai Sugiyama
- Bell Research Center-Department of Obstetrics and Gynaecology Collaborative Research, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yoshihiro Koya
- Bell Research Center-Department of Obstetrics and Gynaecology Collaborative Research, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yoshihiko Yamakita
- Bell Research Center-Department of Obstetrics and Gynaecology Collaborative Research, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Akihiro Nawa
- Bell Research Center-Department of Obstetrics and Gynaecology Collaborative Research, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Atsushi Enomoto
- Department of Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Carmela Ricciardelli
- Discipline of Obstetrics and Gynaecology, Adelaide Medical School, Robinson Research Institute, University of Adelaide, Adelaide, Australia.
| | - Hiroaki Kajiyama
- Department of Obstetrics and Gynaecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
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3
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Hilton JBW, Kysenius K, Liddell JR, Mercer SW, Rautengarten C, Hare DJ, Buncic G, Paul B, Murray SS, McLean CA, Kilpatrick TJ, Beckman JS, Ayton S, Bush AI, White AR, Roberts BR, Donnelly PS, Crouch PJ. Integrated elemental analysis supports targeting copper perturbations as a therapeutic strategy in multiple sclerosis. Neurotherapeutics 2024:e00432. [PMID: 39164165 DOI: 10.1016/j.neurot.2024.e00432] [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: 03/25/2024] [Revised: 07/23/2024] [Accepted: 08/07/2024] [Indexed: 08/22/2024] Open
Abstract
Multiple sclerosis (MS) is a debilitating affliction of the central nervous system (CNS) that involves demyelination of neuronal axons and neurodegeneration resulting in disability that becomes more pronounced in progressive forms of the disease. The involvement of neurodegeneration in MS underscores the need for effective neuroprotective approaches necessitating identification of new therapeutic targets. Herein, we applied an integrated elemental analysis workflow to human MS-affected spinal cord tissue utilising multiple inductively coupled plasma-mass spectrometry methodologies. These analyses revealed shifts in atomic copper as a notable aspect of disease. Complementary gene expression and biochemical analyses demonstrated that changes in copper levels coincided with altered expression of copper handling genes and downstream functionality of cuproenzymes. Copper-related problems observed in the human MS spinal cord were largely reproduced in the experimental autoimmune encephalomyelitis (EAE) mouse model during the acute phase of disease characterised by axonal demyelination, lesion formation, and motor neuron loss. Treatment of EAE mice with the CNS-permeant copper modulating compound CuII(atsm) resulted in recovery of cuproenzyme function, improved myelination and lesion volume, and neuroprotection. These findings support targeting copper perturbations as a therapeutic strategy for MS with CuII(atsm) showing initial promise.
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Affiliation(s)
- James B W Hilton
- Department of Anatomy & Physiology, The University of Melbourne, Victoria 3010, Australia
| | - Kai Kysenius
- Department of Anatomy & Physiology, The University of Melbourne, Victoria 3010, Australia; Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Victoria 3010, Australia
| | - Jeffrey R Liddell
- Department of Anatomy & Physiology, The University of Melbourne, Victoria 3010, Australia
| | - Stephen W Mercer
- Department of Anatomy & Physiology, The University of Melbourne, Victoria 3010, Australia
| | | | - Dominic J Hare
- Atomic Medicine Initiative, University of Technology Sydney, Australia
| | - Gojko Buncic
- School of Chemistry and Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Victoria 3010, Australia
| | - Bence Paul
- School of Geography, Earth and Atmospheric Sciences, The University of Melbourne, Victoria 3010, Australia; Elemental Scientific Lasers, LLC, 685 Old Buffalo Trail, Bozeman, MT 59715, United States
| | - Simon S Murray
- Department of Anatomy & Physiology, The University of Melbourne, Victoria 3010, Australia
| | | | - Trevor J Kilpatrick
- Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Victoria 3010, Australia
| | - Joseph S Beckman
- Linus Pauling Institute, Department of Biochemistry and Biophysics, Oregon State University, 97331, United States
| | - Scott Ayton
- Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Victoria 3010, Australia; Melbourne Dementia Research Centre, Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Victoria 3010, Australia
| | - Ashley I Bush
- Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Victoria 3010, Australia; Melbourne Dementia Research Centre, Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Victoria 3010, Australia
| | - Anthony R White
- Queensland Institute of Medical Research Berghofer, Herston, Queensland 4006, Australia
| | - Blaine R Roberts
- Department of Biochemistry, Emory University, Atlanta, GA 30322, United States
| | - Paul S Donnelly
- School of Chemistry and Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Victoria 3010, Australia
| | - Peter J Crouch
- Department of Anatomy & Physiology, The University of Melbourne, Victoria 3010, Australia.
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Streutker EM, Devamoglu U, Vonk MC, Verdurmen WPR, Le Gac S. Fibrosis-on-Chip: A Guide to Recapitulate the Essential Features of Fibrotic Disease. Adv Healthc Mater 2024; 13:e2303991. [PMID: 38536053 DOI: 10.1002/adhm.202303991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 03/15/2024] [Indexed: 05/05/2024]
Abstract
Fibrosis, which is primarily marked by excessive extracellular matrix (ECM) deposition, is a pathophysiological process associated with many disorders, which ultimately leads to organ dysfunction and poor patient outcomes. Despite the high prevalence of fibrosis, currently there exist few therapeutic options, and importantly, there is a paucity of in vitro models to accurately study fibrosis. This review discusses the multifaceted nature of fibrosis from the viewpoint of developing organ-on-chip (OoC) disease models, focusing on five key features: the ECM component, inflammation, mechanical cues, hypoxia, and vascularization. The potential of OoC technology is explored for better modeling these features in the context of studying fibrotic diseases and the interplay between various key features is emphasized. This paper reviews how organ-specific fibrotic diseases are modeled in OoC platforms, which elements are included in these existing models, and the avenues for novel research directions are highlighted. Finally, this review concludes with a perspective on how to address the current gap with respect to the inclusion of multiple features to yield more sophisticated and relevant models of fibrotic diseases in an OoC format.
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Affiliation(s)
- Emma M Streutker
- Department of Medical BioSciences, Radboud University Medical Center, Geert Grooteplein 28, Nijmegen, 6525 GA, The Netherlands
| | - Utku Devamoglu
- Applied Microfluidics for BioEngineering Research, MESA+ Institute for Nanotechnoloygy and TechMed Centre, Organ-on-Chip Centre, University of Twente, Drienerlolaan 5, Enschede, 7522 NB, The Netherlands
| | - Madelon C Vonk
- Department of Rheumatology, Radboud University Medical Center, Nijmegen, PO Box 9101, Nijmegen, 6500 HB, The Netherlands
| | - Wouter P R Verdurmen
- Department of Medical BioSciences, Radboud University Medical Center, Geert Grooteplein 28, Nijmegen, 6525 GA, The Netherlands
| | - Séverine Le Gac
- Applied Microfluidics for BioEngineering Research, MESA+ Institute for Nanotechnoloygy and TechMed Centre, Organ-on-Chip Centre, University of Twente, Drienerlolaan 5, Enschede, 7522 NB, The Netherlands
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5
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Moustafa MH, Turkey MS, Mohamedin NS, Darwish AA, Elshal AAM, Yehia MAH, El Safwany MM, Mohamed EI. Eggshell membrane and green seaweed (Ulva lactuca) micronized powders for in vivo diabetic wound healing in albino rats: a comparative study. J Pharm Health Care Sci 2024; 10:43. [PMID: 39044300 PMCID: PMC11265442 DOI: 10.1186/s40780-024-00345-x] [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: 02/16/2024] [Accepted: 05/08/2024] [Indexed: 07/25/2024] Open
Abstract
BACKGROUND Nonhealing diabetic wounds are a serious complication associated with extremely lethargic wound closure and a high risk of infection, leading to amputation or limb loss, as well as substantial health care costs and a poor quality of life for the patient. The effects of either eggshell membrane (ESM) and green seaweed (Ulva lactuca) extracts alone or in combination were evaluated for in vivo skin wound healing in a rat model of induced diabetes. METHODS Micronized powders of waste hen ESM, Ulva lactuca, and their 1:1 mixture were prepared using regular procedures. The mechanical, electrical, and surface morphology characteristics of powders were examined using direct compression, LCR-impedancemetry, and scanning electron microscopy. The effect of ESM, Ulva lactuca, and their mixture as compared to standard Dermazin treatments were evaluated on wounds inflicted on male Wistar Albino rats with induced diabetes. Quantitative wound healing rates at baseline and at 3, 7, 14, and 21 days of treatments among all rat groups were conducted using ANOVA. Qualitative histological analysis of epidermal re-epithelization, keratinocytes, basement membrane, infiltrating lymphocytes, collagen fibrines, and blood vessels at day 21 were performed using Image J processing program. RESULTS Compressive strength measurements of tablets showed a Young's modulus of 44.14 and 27.17 MPa for the ESM and ESM + Ulva lactuca mixture, respectively. Moreover, both samples exhibited relatively low relative permittivity values of 6.62 and 6.95 at 1 MHz, respectively, due to the porous surface morphology of ESM shown by scanning electron microscopy. On day 21, rats treated with ESM had a complete diabetic wound closure, hair regrowth, and a healing rate of 99.49%, compared to 96.79% for Dermazin, 87.05% for Ulva lactuca, 90.23% for the mixture, and only 36.44% for the negative controls. A well-formed basement membrane, well-differentiated epithelial cells, and regular thick keratinocytes lining the surface of the epidermal cells accompanied wound healing in rats treated with ESM, which was significantly better than in control rats. CONCLUSION Ground hen ESM powder, a low-cost effective biomaterial, is better than Ulva lactuca or their mixture for preventing tissue damage and promoting diabetic wound healing, in addition to various biomedical applications.
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Affiliation(s)
- Moustafa H Moustafa
- Medical Biophysics Department, Medical Research Institute, Alexandria University, 165 El-Horreya Avenue, Alexandria, 21561, Egypt
| | - Mohamed S Turkey
- Microbiology and Immunology Department, Faculty of Pharmacy, October 6 University, Sixth of October City, Giza, Egypt
| | - Noha S Mohamedin
- Medical Biophysics Department, Medical Research Institute, Alexandria University, 165 El-Horreya Avenue, Alexandria, 21561, Egypt
| | - Amira A Darwish
- Medical Laboratory Technology Department, Faculty of Applied Health Sciences Technology, Pharos University, Alexandria, Egypt
| | - Amira A M Elshal
- Medical Biophysics Department, Medical Research Institute, Alexandria University, 165 El-Horreya Avenue, Alexandria, 21561, Egypt
| | - Mona A H Yehia
- Histochemistry and Cell Biology Department, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Mohamed M El Safwany
- Radiological Sciences and Medical Imaging Department, Faculty of Applied Health Sciences Technology, Pharos University, Alexandria, Egypt
| | - Ehab I Mohamed
- Medical Biophysics Department, Medical Research Institute, Alexandria University, 165 El-Horreya Avenue, Alexandria, 21561, Egypt.
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Daulagala AC, Cetin M, Nair-Menon J, Jimenez DW, Bridges MC, Bradshaw AD, Sahin O, Kourtidis A. The epithelial adherens junction component PLEKHA7 regulates ECM remodeling and cell behavior through miRNA-mediated regulation of MMP1 and LOX. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.28.596237. [PMID: 38853930 PMCID: PMC11160653 DOI: 10.1101/2024.05.28.596237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
Epithelial adherens junctions (AJs) are cell-cell adhesion complexes that are influenced by tissue mechanics, such as those emanating from the extracellular matrix (ECM). Here, we introduce a mechanism whereby epithelial AJs can also regulate the ECM. We show that the AJ component PLEKHA7 regulates levels and activity of the key ECM remodeling components MMP1 and LOX in well-differentiated colon epithelial cells, through the miR-24 and miR-30c miRNAs. PLEKHA7 depletion in epithelial cells results in LOX-dependent ECM remodeling in culture and in the colonic mucosal lamina propria in mice. Furthermore, PLEKHA7-depleted cells exhibit increased migration and invasion rates that are MMP1- and LOX- dependent, and form colonies in 3D cultures that are larger in size and acquire aberrant morphologies in stiffer matrices. These results reveal an AJ-mediated mechanism, through which epithelial cells drive ECM remodeling to modulate their behavior, including acquisition of phenotypes that are hallmarks of conditions such as fibrosis and tumorigenesis.
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Affiliation(s)
- Amanda C. Daulagala
- Department of Regenerative Medicine and Cell Biology, Medical University South Carolina, Charleston, SC
| | - Metin Cetin
- Department of Biochemistry and Molecular Biology, Medical University South Carolina, Charleston, SC
| | - Joyce Nair-Menon
- Department of Regenerative Medicine and Cell Biology, Medical University South Carolina, Charleston, SC
| | - Douglas W. Jimenez
- Department of Regenerative Medicine and Cell Biology, Medical University South Carolina, Charleston, SC
| | - Mary Catherine Bridges
- Department of Regenerative Medicine and Cell Biology, Medical University South Carolina, Charleston, SC
| | - Amy D. Bradshaw
- Department of Medicine, Medical University South Carolina, Charleston, SC
| | - Ozgur Sahin
- Department of Biochemistry and Molecular Biology, Medical University South Carolina, Charleston, SC
| | - Antonis Kourtidis
- Department of Regenerative Medicine and Cell Biology, Medical University South Carolina, Charleston, SC
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7
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Fang C, Peng Z, Sang Y, Ren Z, Ding H, Yuan H, Hu K. Copper in Cancer: from transition metal to potential target. Hum Cell 2024; 37:85-100. [PMID: 37751026 DOI: 10.1007/s13577-023-00985-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 09/11/2023] [Indexed: 09/27/2023]
Abstract
In recent years, with the continuous in-depth exploration of the molecular mechanisms of tumorigenesis, numerous potential new targets for cancer treatment have been identified, some of which have been further developed in clinical practice and have produced positive outcomes. Notably, researchers' initial motivation for studying copper metabolism in cancer stems from the fact that copper is a necessary trace element for organisms and is closely connected to body growth and metabolism. Moreover, over the past few decades, considerable progress has been made in understanding the molecular processes and correlations between copper and cancer. Certain achievements have been made in the development and use of relevant clinical medications. The concept of "cuproptosis," a novel concept that differs from previous forms of cell death, was first proposed by a group of scientists last year, offering fresh perspectives on the targeting capabilities of copper in the treatment of cancer. In this review, we introduced the fundamental physiological functions of copper, the key components of copper metabolism, and a summary of the current research contributions on the connection between copper and cancer. In addition, the development of new copper-based nanomaterials and their associated mechanisms of action are discussed. Finally, we described how the susceptibility of cancer cells to this metallic nutrition could be leveraged to further improve the existing cancer treatment paradigm in the new setting.
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Affiliation(s)
- Can Fang
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, NO. 218 Jixi Road, Shushan District, Hefei, Anhui, 230022, People's Republic of China
| | - Zhiwei Peng
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, NO. 218 Jixi Road, Shushan District, Hefei, Anhui, 230022, People's Republic of China
| | - Yaru Sang
- Department of Otolaryngology Head and Neck Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Zihao Ren
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, NO. 218 Jixi Road, Shushan District, Hefei, Anhui, 230022, People's Republic of China
| | - Huiming Ding
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, NO. 218 Jixi Road, Shushan District, Hefei, Anhui, 230022, People's Republic of China
| | - Haibo Yuan
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, NO. 218 Jixi Road, Shushan District, Hefei, Anhui, 230022, People's Republic of China
| | - Kongwang Hu
- Department of General Surgery, Fuyang Hospital of Anhui Medical University, Fuyang, China.
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, NO. 218 Jixi Road, Shushan District, Hefei, Anhui, 230022, People's Republic of China.
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Imantika E, Sasotya RS, Armawan E, Tjandraprawira KD, Rodiani R, Rahim T. Enhanced Proliferation and Adhesion Marker Gene Expression in Fibroblast Cells: Evaluating the Efficacy of a Non-Surgical Treatment for Urogenital Fistula. Med Sci Monit 2023; 29:e941641. [PMID: 37978796 PMCID: PMC10664302 DOI: 10.12659/msm.941641] [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: 07/01/2023] [Accepted: 09/11/2023] [Indexed: 11/19/2023] Open
Abstract
BACKGROUND Vesicovaginal fistula (VVF) due to posterior bladder wall and/or anterior vaginal wall necrosis is a condition that leads to urinary incontinence. Both microscopic and macroscopic VVFs severely impact quality of life. They are also associated with frequent recurrence after surgery. A non-surgical intervention for VVF is urgently required. A membrane bilayer could act as a mechanical tamponade and stimulate defect closure. MATERIAL AND METHODS This is an experimental study that explored the characteristics of mucoadhesive bilayer membrane complexes for non-operative treatment of VVF in vitro. We synthesized a mucoadhesive bilayer membrane, and inoculated it with cultured fibroblast cells. The mucoadhesive bilayer membrane was prepared with 3 different treatments: (1) estrogen; (2) lyophilized radiation-sterilized amnion (ALSR), a prepared amniotic membrane; and (3) arginine and glutamine (arginine+glutamine), 2 amino acids associated with wound repair. Expression levels of 3 genes, namely tumor growth factor beta (TGF-ß), lysil oxidase (LOX), and junctional adhesion molecules (JAMs), were measured using the Livak method and polymerase chain reaction (PCR). RESULTS On the fifth day after inoculation, there was no statistically significant difference in expression of the genes in the 3 conditions. However, on the tenth day, gene expression of the LOX and JAMs genes in the fibroblast cells inoculated onto the mucoadhesive bilayer membrane with arginine+glutamine was significantly higher than the expression in the fibroblast cells inoculated onto the mucoadhesive bilayer membrane with estrogen or with ALSR. CONCLUSIONS The mucoadhesive bilayer membrane complex with arginine+glutamine gave rise to the highest expression of the LOX and JAMs genes, indicating that the highest proliferation and cell adhesion were found in cells inoculated with the mucoadhesive bilayer membrane complex with arginine+glutamine.
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Affiliation(s)
- Efriyan Imantika
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Padjadjaran, Bandung, West Java, Indonesia
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Lampung, Bandar Lampung, Lampung, Indonesia
| | - R.M. Sonny Sasotya
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Padjadjaran, Bandung, West Java, Indonesia
| | - Edwin Armawan
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Padjadjaran, Bandung, West Java, Indonesia
| | - Kevin D. Tjandraprawira
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Padjadjaran, Bandung, West Java, Indonesia
| | - Rodiani Rodiani
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Lampung, Bandar Lampung, Lampung, Indonesia
| | - Taufiqurrahman Rahim
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Lampung, Bandar Lampung, Lampung, Indonesia
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9
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Sanjarnia P, Nourmohammadi J, Hesaraki S. Nanocomposite chitosan dressing incorporating polydopamine‑copper Janus nanoparticle. Int J Biol Macromol 2023; 251:126173. [PMID: 37558027 DOI: 10.1016/j.ijbiomac.2023.126173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 07/24/2023] [Accepted: 08/05/2023] [Indexed: 08/11/2023]
Abstract
This research aims to introduce a new wound dressing with antibacterial and anti-inflammatory properties made from chitosan and copper-containing Janus nanoparticles (JNPs). The JNPs were synthesized by attaching copper to PDA nanospheres, which were then embedded in Chitosan at different concentrations. The resulting spherical JNPs had a mean size of 208 ± 96 nm, and EDX mapping showed successful adhesion of Cu2+ ions to PDA nanospheres with a total Cu2+ content of 16.5 wt%. The samples exhibited interconnected porous structures, increasing JNPs concentration resulting in larger pore size and higher porosity. The addition of JNPs to 10 % (Ch-JNP 10) resulted in the highest strength, young modulus, and crystallinity, while a reverse trend was observed at higher JNPs content. JNPs improve the antibacterial activity of chitosan-based dressing, especially against E. coli. All samples were biocompatible and did not exhibit any cytotoxic effects. Ch-JNP10 had higher cellular density, confluency, and collagen secretion than other samples. The in vivo study demonstrated that Ch-JNP10 induced epithelialization and oriented collagen fiber formation while reducing inflammation. Overall, Ch-JNP10 may be a potential wound dressing for chronic wounds.
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Affiliation(s)
- Pegah Sanjarnia
- Faculty of New Sciences and Technologies, Department of Life Science Engineering, University of Tehran, Tehran, Iran
| | - Jhamak Nourmohammadi
- Faculty of New Sciences and Technologies, Department of Life Science Engineering, University of Tehran, Tehran, Iran.
| | - Saeed Hesaraki
- Biomaterials Group, Nanotechnology, and Advanced Materials Department, Materials and Energy Research Center (MERC), Alborz, Iran
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10
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McCabe MC, Okamura DM, Erickson CB, Perry BW, Brewer CM, Nguyen ED, Saviola AJ, Majesky MW, Hansen KC. ECM-Focused Proteomic Analysis of Ear Punch Regeneration in Acomys Cahirinus. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.11.561940. [PMID: 37873317 PMCID: PMC10592745 DOI: 10.1101/2023.10.11.561940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
In mammals, significant injury is generally followed by the formation of a fibrotic scar which provides structural integrity but fails to functionally restore damaged tissue. Spiny mice of the genus Acomys represent the first example of full skin autotomy in mammals. Acomys cahirinus has evolved extremely weak skin as a strategy to avoid predation and is able to repeatedly regenerate healthy tissue without scar after severe skin injury or full-thickness ear punches. Extracellular matrix (ECM) composition is a critical regulator of wound repair and scar formation and previous studies have suggested that alterations in its expression may be responsible for the differences in regenerative capacity observed between Mus musculus and A. cahirinus , yet analysis of this critical tissue component has been limited in previous studies by its insolubility and resistance to extraction. Here, we utilize a 2-step ECM-optimized extraction to perform proteomic analysis of tissue composition during wound repair after full-thickness ear punches in A. cahirinus and M. musculus from weeks 1 to 4 post-injury. We observe changes in a wide range of ECM proteins which have been previously implicated in wound regeneration and scar formation, including collagens, coagulation and provisional matrix proteins, and matricryptic signaling peptides. We additionally report differences in crosslinking enzyme activity and ECM protein solubility between Mus and Acomys. Furthermore, we observed rapid and sustained increases in CD206, a marker of pro-regenerative M2 macrophages, in Acomys, whereas little or no increase in CD206 was detected in Mus. Together, these findings contribute to a comprehensive understanding of tissue cues which drive the regenerative capacity of Acomys and identify a number of potential targets for future pro-regenerative therapies.
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11
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Pechanec MY, Mienaltowski MJ. Decoding the transcriptomic expression and genomic methylation patterns in the tendon proper and its peritenon region in the aging horse. BMC Res Notes 2023; 16:267. [PMID: 37821884 PMCID: PMC10566085 DOI: 10.1186/s13104-023-06562-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 10/10/2023] [Indexed: 10/13/2023] Open
Abstract
OBJECTIVES Equine tendinopathies are challenging because of the poor healing capacity of tendons commonly resulting in high re-injury rates. Within the tendon, different regions - tendon proper (TP) and peritenon (PERI) - contribute to the tendon matrix in differing capacities during injury and aging. Aged tendons have decreased repair potential; the underlying transcriptional and epigenetic changes that occur in the TP and PERI regions are not well understood. The objective of this study was to assess TP and PERI regional differences in adolescent, midlife, and geriatric horses using RNA sequencing and DNA methylation techniques. RESULTS Differences existed between TP and PERI regions of equine superficial digital flexor tendons by age as evidenced by RNASeq and DNA methylation. Cluster analysis indicated that regional distinctions existed regardless of age. Genes such as DCN, COMP, FN1, and LOX maintained elevated TP expression while genes such as GSN and AHNAK were abundant in PERI. Increased gene activity was present in adolescent and geriatric populations but decreased during midlife. Regional differences in DNA methylation were also noted. Notably, when evaluating all ages of TP against PERI, five genes (HAND2, CHD9, RASL11B, ADGRD1, and COL14A1) had regions of differential methylation as well as differential gene expression.
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Affiliation(s)
- Monica Y Pechanec
- Department of Animal Science, University of California Davis, 2251 Meyer Hall, One Shields Ave, Davis, CA, 95616, USA
| | - Michael J Mienaltowski
- Department of Animal Science, University of California Davis, 2251 Meyer Hall, One Shields Ave, Davis, CA, 95616, USA.
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12
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He S, Fu X, Wang L, Xue Y, Zhou L, Qiao S, An J, Xia T. Self-Assemble Silk Fibroin Microcapsules for Cartilage Regeneration through Gene Delivery and Immune Regulation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2302799. [PMID: 37264755 DOI: 10.1002/smll.202302799] [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: 04/12/2023] [Revised: 05/22/2023] [Indexed: 06/03/2023]
Abstract
Effective treatments for cartilage defects are currently lacking. Gene delivery using proper delivery systems has shown great potential in cartilage regeneration. However, the inflammatory microenvironment generated by the defected cartilage severely affects the system's delivery efficiency. Therefore, this study reports a silk fibroin microcapsule (SFM) structure based on layer-by-layer self-assembly, in which interleukin-4 (IL-4) is modified on silk by click chemistry and loaded with lysyl oxidase plasmid DNA (LOX pDNA). The silk microcapsules display good biocompatibility and the release rate of genes can be adjusted by controlling the number of self-assembled layers. Moreover, the functionalized SFMs mixed with methacrylated gelatin (GelMA) exhibit good injectability. The IL-4 on the outer layer of the SFM can regulate macrophages to polarize toward the M2 type, thereby promoting cartilage matrix repair and inhibiting inflammation. The LOX pDNA loaded inside can be effectively delivered into cells to promote extracellular matrix generation, significantly promoting cartilage regeneration. The results of this study provide a promising biomaterial for cartilage repair, and this novel silk-based microcapsule delivery system can also provide strategies for the treatment of other diseases.
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Affiliation(s)
- Shuangjian He
- Department of orthopedics, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, Suzhou, 215000, China
| | - Xuejie Fu
- Institute of Clinical Medicine Research, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, Suzhou, 215000, China
| | - Liang Wang
- Department of orthopedics, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, Suzhou, 215000, China
| | - Yangyang Xue
- Department of orthopedics, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, Suzhou, 215000, China
| | - Long Zhou
- Department of orthopedics, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, Suzhou, 215000, China
| | - Shigang Qiao
- Institute of Clinical Medicine Research, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, Suzhou, 215000, China
| | - Jianzhong An
- Institute of Clinical Medicine Research, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, Suzhou, 215000, China
| | - Tingting Xia
- Institute of Clinical Medicine Research, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, Suzhou, 215000, China
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13
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Ma H, Zhou IY, Chen YI, Rotile NJ, Ay I, Akam EA, Wang H, Knipe RS, Hariri LP, Zhang C, Drummond M, Pantazopoulos P, Moon BF, Boice AT, Zygmont SE, Weigand-Whittier J, Sojoodi M, Gonzalez-Villalobos RA, Hansen MK, Tanabe KK, Caravan P. Tailored Chemical Reactivity Probes for Systemic Imaging of Aldehydes in Fibroproliferative Diseases. J Am Chem Soc 2023; 145:20825-20836. [PMID: 37589185 PMCID: PMC11022681 DOI: 10.1021/jacs.3c04964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/18/2023]
Abstract
During fibroproliferation, protein-associated extracellular aldehydes are formed by the oxidation of lysine residues on extracellular matrix proteins to form the aldehyde allysine. Here we report three Mn(II)-based, small-molecule magnetic resonance probes that contain α-effect nucleophiles to target allysine in vivo and report on tissue fibrogenesis. We used a rational design approach to develop turn-on probes with a 4-fold increase in relaxivity upon targeting. The effects of aldehyde condensation rate and hydrolysis kinetics on the performance of the probes to detect tissue fibrogenesis non-invasively in mouse models were evaluated by a systemic aldehyde tracking approach. We showed that, for highly reversible ligations, off-rate was a stronger predictor of in vivo efficiency, enabling histologically validated, three-dimensional characterization of pulmonary fibrogenesis throughout the entire lung. The exclusive renal elimination of these probes allowed for rapid imaging of liver fibrosis. Reducing the hydrolysis rate by forming an oxime bond with allysine enabled delayed phase imaging of kidney fibrogenesis. The imaging efficacy of these probes, coupled with their rapid and complete elimination from the body, makes them strong candidates for clinical translation.
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Affiliation(s)
- Hua Ma
- Athinoula A. Martinos Center for Biomedical Imaging, Institute for Innovation in Imaging (i), Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02129, United States
| | - Iris Y. Zhou
- Athinoula A. Martinos Center for Biomedical Imaging, Institute for Innovation in Imaging (i), Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02129, United States
| | - Y. Iris Chen
- Athinoula A. Martinos Center for Biomedical Imaging, Institute for Innovation in Imaging (i), Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02129, United States
| | - Nicholas J. Rotile
- Athinoula A. Martinos Center for Biomedical Imaging, Institute for Innovation in Imaging (i), Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02129, United States
| | - Ilknur Ay
- Athinoula A. Martinos Center for Biomedical Imaging, Institute for Innovation in Imaging (i), Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02129, United States
| | - Eman A. Akam
- Athinoula A. Martinos Center for Biomedical Imaging, Institute for Innovation in Imaging (i), Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02129, United States
| | - Huan Wang
- Athinoula A. Martinos Center for Biomedical Imaging, Institute for Innovation in Imaging (i), Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02129, United States
| | - Rachel S. Knipe
- Division of Pulmonary and Critical Care Medicine and the Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Boston, Massachusetts 02114, United States
| | - Lida P. Hariri
- Division of Pulmonary and Critical Care Medicine and the Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Boston, Massachusetts 02114, United States
- Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, United States
| | - Caiyuan Zhang
- Athinoula A. Martinos Center for Biomedical Imaging, Institute for Innovation in Imaging (i), Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02129, United States
| | - Matthew Drummond
- Division of Pulmonary and Critical Care Medicine and the Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Boston, Massachusetts 02114, United States
| | - Pamela Pantazopoulos
- Athinoula A. Martinos Center for Biomedical Imaging, Institute for Innovation in Imaging (i), Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02129, United States
| | - Brianna F. Moon
- Athinoula A. Martinos Center for Biomedical Imaging, Institute for Innovation in Imaging (i), Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02129, United States
| | - Avery T. Boice
- Athinoula A. Martinos Center for Biomedical Imaging, Institute for Innovation in Imaging (i), Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02129, United States
| | - Samantha E. Zygmont
- Athinoula A. Martinos Center for Biomedical Imaging, Institute for Innovation in Imaging (i), Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02129, United States
| | - Jonah Weigand-Whittier
- Athinoula A. Martinos Center for Biomedical Imaging, Institute for Innovation in Imaging (i), Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02129, United States
| | - Mozhdeh Sojoodi
- Division of Gastrointestinal and Oncologic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, United States
| | - Romer A. Gonzalez-Villalobos
- Cardiovascular and Metabolism Discovery, Janssen Research and Development LLC, Boston, Massachusetts 02115, United States
| | - Michael K. Hansen
- Cardiovascular and Metabolism Discovery, Janssen Research and Development LLC, Boston, Massachusetts 02115, United States
| | - Kenneth K. Tanabe
- Division of Gastrointestinal and Oncologic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, United States
| | - Peter Caravan
- Athinoula A. Martinos Center for Biomedical Imaging, Institute for Innovation in Imaging (i), Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02129, United States
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14
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Kulus J, Kranc W, Kulus M, Bukowska D, Piotrowska-Kempisty H, Mozdziak P, Kempisty B, Antosik P. New Gene Markers of Exosomal Regulation Are Involved in Porcine Granulosa Cell Adhesion, Migration, and Proliferation. Int J Mol Sci 2023; 24:11873. [PMID: 37511632 PMCID: PMC10380331 DOI: 10.3390/ijms241411873] [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: 07/03/2023] [Revised: 07/19/2023] [Accepted: 07/22/2023] [Indexed: 07/30/2023] Open
Abstract
Exosomal regulation is intimately involved in key cellular processes, such as migration, proliferation, and adhesion. By participating in the regulation of basic mechanisms, extracellular vesicles are important in intercellular signaling and the functioning of the mammalian reproductive system. The complexity of intercellular interactions in the ovarian follicle is also based on multilevel intercellular signaling, including the mechanisms involving cadherins, integrins, and the extracellular matrix. The processes in the ovary leading to the formation of a fertilization-ready oocyte are extremely complex at the molecular level and depend on the oocyte's ongoing relationship with granulosa cells. An analysis of gene expression from material obtained from a primary in vitro culture of porcine granulosa cells was employed using microarray technology. Genes with the highest expression (LIPG, HSD3B1, CLIP4, LOX, ANKRD1, FMOD, SHAS2, TAGLN, ITGA8, MXRA5, and NEXN) and the lowest expression levels (DAPL1, HSD17B1, SNX31, FST, NEBL, CXCL10, RGS2, MAL2, IHH, and TRIB2) were selected for further analysis. The gene expression results obtained from the microarrays were validated using quantitative RT-qPCR. Exosomes may play important roles regarding intercellular signaling between granulosa cells. Therefore, exosomes may have significant applications in regenerative medicine, targeted therapy, and assisted reproduction technologies.
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Affiliation(s)
- Jakub Kulus
- Department of Diagnostics and Clinical Sciences, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, 87-100 Torun, Poland
| | - Wiesława Kranc
- Department of Anatomy, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Magdalena Kulus
- Department of Veterinary Surgery, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, 87-100 Torun, Poland
| | - Dorota Bukowska
- Department of Diagnostics and Clinical Sciences, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, 87-100 Torun, Poland
| | - Hanna Piotrowska-Kempisty
- Department of Toxicology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
- Department of Basic and Preclinical Sciences, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, 87-100 Torun, Poland
| | - Paul Mozdziak
- Physiology Graduate Faculty, College of Agriculture and Life Sciences, North Carolina State University, Raleigh, NC 27695, USA
| | - Bartosz Kempisty
- Department of Veterinary Surgery, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, 87-100 Torun, Poland
- Physiology Graduate Faculty, College of Agriculture and Life Sciences, North Carolina State University, Raleigh, NC 27695, USA
- Division of Anatomy, Department of Human Morphology and Embryology, Wroclaw Medical University, 50-367 Wroclaw, Poland
- Center of Assisted Reproduction, Department of Obstetrics and Gynecology, University Hospital and Masaryk University, 601 77 Brno, Czech Republic
| | - Paweł Antosik
- Department of Veterinary Surgery, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, 87-100 Torun, Poland
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15
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Ma H, Zhou IY, Chen YI, Rotile NJ, Ay I, Akam E, Wang H, Knipe R, Hariri LP, Zhang C, Drummond M, Pantazopoulos P, Moon BF, Boice AT, Zygmont SE, Weigand-Whittier J, Sojoodi M, Gonzalez-Villalobos RA, Hansen MK, Tanabe KK, Caravan P. Tailored chemical reactivity probes for systemic imaging of aldehydes in fibroproliferative diseases. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.20.537707. [PMID: 37131719 PMCID: PMC10153247 DOI: 10.1101/2023.04.20.537707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
During fibroproliferation, protein-associated extracellular aldehydes are formed by the oxidation of lysine residues on extracellular matrix proteins to form the aldehyde allysine. Here we report three Mn(II)-based, small molecule magnetic resonance (MR) probes that contain α-effect nucleophiles to target allysine in vivo and report on tissue fibrogenesis. We used a rational design approach to develop turn-on probes with a 4-fold increase in relaxivity upon targeting. The effects of aldehyde condensation rate and hydrolysis kinetics on the performance of the probes to detect tissue fibrogenesis noninvasively in mouse models were evaluated by a systemic aldehyde tracking approach. We showed that for highly reversible ligations, off-rate was a stronger predictor of in vivo efficiency, enabling histologically validated, three-dimensional characterization of pulmonary fibrogenesis throughout the entire lung. The exclusive renal elimination of these probes allowed for rapid imaging of liver fibrosis. Reducing the hydrolysis rate by forming an oxime bond with allysine enabled delayed phase imaging of kidney fibrogenesis. The imaging efficacy of these probes, coupled with their rapid and complete elimination from the body, make them strong candidates for clinical translation.
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16
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Sharma RK, Kamble SH, Krishnan S, Gomes J, To B, Li S, Liu IC, Gumz ML, Mohandas R. Involvement of lysyl oxidase in the pathogenesis of arterial stiffness in chronic kidney disease. Am J Physiol Renal Physiol 2023; 324:F364-F373. [PMID: 36825626 PMCID: PMC10069822 DOI: 10.1152/ajprenal.00239.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 02/01/2023] [Accepted: 02/20/2023] [Indexed: 02/25/2023] Open
Abstract
Patients with chronic kidney disease (CKD) are at increased risk for adverse cardiovascular events. CKD is associated with increases in arterial stiffness, whereas improvements in arterial stiffness correlate with better survival. However, arterial stiffness is increased early in CKD, suggesting that there might be additional factors, unique to kidney disease, that increase arterial stiffness. Lysyl oxidase (LOX) is a key mediator of collagen cross linking and matrix remodeling. LOX is predominantly expressed in the cardiovascular system, and its upregulation has been associated with increased tissue stiffening and extracellular matrix remodeling. Thus, this study was designed to evaluate the role of increased LOX activity in inducing aortic stiffness in CKD and whether β-aminopropionitrile (BAPN), a LOX inhibitor, could prevent aortic stiffness by reducing collagen cross linking. Eight-week-old male C57BL/6 mice were subjected to 5/6 nephrectomy (Nx) or sham surgery. Two weeks after surgery, mice were randomized to BAPN (300 mg/kg/day in water) or vehicle treatment for 4 wk. Aortic stiffness was assessed by pulse wave velocity (PWV) using Doppler ultrasound. Aortic levels of LOX were assessed by ELISA, and cross-linked total collagen levels were analyzed by mass spectrometry and Sircol assay. Nx mice showed increased PWV and aortic wall remodeling compared with control mice. Collagen cross linking was increased in parallel with the increases in total collagen in the aorta of Nx mice. In contrast, Nx mice that received BAPN treatment showed decreased cross-linked collagens and PWV compared with that received vehicle treatment. Our results indicated that LOX might be an early and key mediator of aortic stiffness in CKD.NEW & NOTEWORTHY Arterial stiffness in CKD is associated with adverse cardiovascular outcomes. However, the mechanisms underlying increased aortic stiffness in CKD are unclear. Herein, we demonstrated that 1) increased aortic stiffness in CKD is independent of hypertension and calcification and 2) LOX-mediated changes in extracellular matrix are at least in part responsible for increased aortic stiffness in CKD. Prevention of excess LOX may have therapeutic potential in alleviating increased aortic stiffness and improving cardiovascular disease in CKD.
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Affiliation(s)
- Ravindra K Sharma
- Division of Nephrology, Hypertension and Renal Transplantation, Department of Medicine, University of Florida College of Medicine, Gainesville, Florida, United States
| | - Shyam H Kamble
- Department of Pharmacology, University of Florida College of Medicine, Gainesville, Florida, United States
| | - Suraj Krishnan
- Division of Nephrology, Hypertension and Renal Transplantation, Department of Medicine, University of Florida College of Medicine, Gainesville, Florida, United States
| | - Joshua Gomes
- Division of Nephrology, Hypertension and Renal Transplantation, Department of Medicine, University of Florida College of Medicine, Gainesville, Florida, United States
| | - Brandon To
- Division of Nephrology, Hypertension and Renal Transplantation, Department of Medicine, University of Florida College of Medicine, Gainesville, Florida, United States
| | - Shiyu Li
- Division of Nephrology, Hypertension and Renal Transplantation, Department of Medicine, University of Florida College of Medicine, Gainesville, Florida, United States
| | - I-Chia Liu
- Division of Nephrology, Hypertension and Renal Transplantation, Department of Medicine, University of Florida College of Medicine, Gainesville, Florida, United States
| | - Michelle L Gumz
- Division of Nephrology, Hypertension and Renal Transplantation, Department of Medicine, University of Florida College of Medicine, Gainesville, Florida, United States
- Department of Physiology and Aging, University of Florida College of Medicine, Gainesville, Florida, United States
| | - Rajesh Mohandas
- Division of Nephrology and Hypertension, Louisiana State University Health Sciences Center School of Medicine, New Orleans, Louisiana, United States
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17
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Cui Y, Xie J, Cai L, Zhang D, Sun J, Zhou X. Berberine regulates bone metabolism in apical periodontitis by remodelling the extracellular matrix. Oral Dis 2023; 29:1184-1196. [PMID: 34874590 DOI: 10.1111/odi.14094] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 10/06/2021] [Accepted: 11/19/2021] [Indexed: 02/05/2023]
Abstract
OBJECTIVES The objectives of this study were to explore the role and related mechanism of berberine in repairing bone destruction in apical periodontics (AP). MATERIALS AND METHODS AP was established in 14 of 21 male Wistar rats (four weeks of age; 70-80 g) for 3 weeks. The canals were cleaned and administered berberine (2 mg/ml; n = 7) or calcium hydroxide (100 mg/ml; control; n = 7), followed by glass ionomer cement sealing. After 3 weeks, specimen collection followed by micro-computed tomography (μ-CT) and histological staining was performed, including haematoxylin and eosin staining, Masson's trichrome staining, tartrate-resistant acid phosphatase staining, immunohistochemistry and immunofluorescence histochemistry. RESULTS μ-CT showed that AP lesion volume reduced in the berberine group. Histopathology showed that berberine decreased the activity and number of osteoclasts but increased the expression of proteins related to osteoblast differentiation, including alkaline phosphatase and osterix. The immune cell, T cell, dendritic cell and macrophage counts were significantly decreased in the berberine group. In the berberine group, the expression of extracellular matrix-degraded proteases, metalloproteinases, was decreased; however, that of extracellular matrix-stable proteases, lysyl oxidases, was increased. CONCLUSIONS Berberine controlled the inflammatory response and regulated bone metabolism in AP by reducing metalloproteinase expression and increasing lysyl oxidases expression.
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Affiliation(s)
- Yujia Cui
- State Key Laboratory of Oral Diseases & National Clinical Center for Oral Diseases &, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jing Xie
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Linyi Cai
- State Key Laboratory of Oral Diseases & National Clinical Center for Oral Diseases &, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Demao Zhang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jianxun Sun
- State Key Laboratory of Oral Diseases & National Clinical Center for Oral Diseases &, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xuedong Zhou
- State Key Laboratory of Oral Diseases & National Clinical Center for Oral Diseases &, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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18
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Waugh CM, Mousavizadeh R, Lee J, Screen HRC, Scott A. The impact of mild hypercholesterolemia on injury repair in the rat patellar tendon. J Orthop Res 2023. [PMID: 36866829 DOI: 10.1002/jor.25546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 02/16/2023] [Accepted: 03/01/2023] [Indexed: 03/04/2023]
Abstract
Hypercholesterolemia is associated with tendon pathology and injury prevalence. Lipids can accumulate in the tendon's extracellular spaces, which may disrupt its hierarchical structure and the tenocytes physicochemical environment. We hypothesized that the tendon's ability to repair after injury would be attenuated with elevated cholesterol levels, leading to inferior mechanical properties. Fifty wild-type (sSD) and 50 apolipoprotein E knock-out rats (ApoE-/ - ) were given a unilateral patellar tendon (PT) injury at 12 weeks old; the uninjured limb served as a control. Animals were euthanized at 3-, 14,- or 42-days postinjury and PT healing was investigated. ApoE-/ - serum cholesterol was double that of SD rats (mean: 2.12 vs. 0.99 mg/mL, p < 0.001) and cholesterol level was related to the expression of several genes after injury; notably rats with higher cholesterol demonstrated a blunted inflammatory response. There was little physical evidence of tendon lipid content or differences in injury repair between groups, therefore we were not surprised that tendon mechanical or material properties did not differ between strains. The young age and the mild phenotype of our ApoE-/ - rats might explain these findings. Hydroxyproline content was positively related to total blood cholesterol, but this result did not translate to observable biomechanical differences, perhaps due to the narrow range of cholesterol levels observed. Tendon inflammatory and healing activity is modulated at the mRNA level even with a mild hypercholesterolemia. These important initial impacts need to be investigated as they may contribute to the known consequences of cholesterol on tendons in humans.
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Affiliation(s)
- Charlie M Waugh
- Department of Physical Therapy, Faculty of Medicine, University of British Columbia, Vancouver, Canada.,School of Engineering and Materials Science, Queen Mary, University of London, London, UK
| | - Rouhollah Mousavizadeh
- Department of Physical Therapy, Faculty of Medicine, University of British Columbia, Vancouver, Canada
| | - Jenny Lee
- Department of Physical Therapy, Faculty of Medicine, University of British Columbia, Vancouver, Canada
| | - Hazel R C Screen
- School of Engineering and Materials Science, Queen Mary, University of London, London, UK
| | - Alexander Scott
- Department of Physical Therapy, Faculty of Medicine, University of British Columbia, Vancouver, Canada
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19
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Non-alcoholic Fatty Liver Disease (NAFLD), Type 2 Diabetes, and Non-viral Hepatocarcinoma: Pathophysiological Mechanisms and New Therapeutic Strategies. Biomedicines 2023; 11:biomedicines11020468. [PMID: 36831004 PMCID: PMC9953066 DOI: 10.3390/biomedicines11020468] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 02/01/2023] [Accepted: 02/03/2023] [Indexed: 02/09/2023] Open
Abstract
In recent years, the incidence of non-viral hepatocellular carcinoma (HCC) has increased dramatically, which is probably related to the increased prevalence of metabolic syndrome, together with obesity and type 2 diabetes mellitus (T2DM). Several epidemiological studies have established the association between T2DM and the incidence of HCC and have demonstrated the role of diabetes mellitus as an independent risk factor for the development of HCC. The pathophysiological mechanisms underlying the development of Non-alcoholic fatty liver disease (NAFLD) and its progression to Non-alcoholic steatohepatitis (NASH) and cirrhosis are various and involve pro-inflammatory agents, oxidative stress, apoptosis, adipokines, JNK-1 activation, increased IGF-1 activity, immunomodulation, and alteration of the gut microbiota. Moreover, these mechanisms are thought to play a significant role in the development of NAFLD-related hepatocellular carcinoma. Early diagnosis and the timely correction of risk factors are essential to prevent the onset of liver fibrosis and HCC. The purpose of this review is to summarize the current evidence on the association among obesity, NASH/NAFLD, T2DM, and HCC, with an emphasis on clinical impact. In addition, we will examine the main mechanisms underlying this complex relationship, and the promising strategies that have recently emerged for these diseases' treatments.
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The Restoring Effect of Human Umbilical Cord-Derived Mesenchymal Cell-Conditioned Medium (hMSC-CM) against Carbon Tetrachloride-Induced Pulmonary Fibrosis in Male Wistar Rats. Int J Inflam 2022; 2022:7179766. [PMID: 36588784 PMCID: PMC9800074 DOI: 10.1155/2022/7179766] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/19/2022] [Accepted: 11/29/2022] [Indexed: 12/24/2022] Open
Abstract
Objective Pulmonary toxicity induced by CCl4, a model of idiopathic pulmonary fibrosis (IPF), leads to tissue remodeling and inflammation. Human umbilical cord mesenchymal cell-conditioned medium (hMSC-CM) is a potent anti-inflammatory, antioxidative, and antifibrotic agent. Methods Forty male Wistar rats were assigned to the control (C), olive oil control (C.O) (hMSC-CM), control (C.Ms), fibrosis (fb), and fibrosis with hMSC-CM (f.Ms) treatment groups. The groups C, C.O, and C.Ms received PBS (200 µl), olive oil (1 ml/kg), and hMSC-CM (100 μg protein/kg), respectively. The fibrosis group was administered with only CCl4 (1 ml/kg). The last group, f.Ms was treated with CCl4 (1 ml/kg) and 100 μg protein/kg IV hMSC-CM. While the treatment with olive oil and CCl4 was performed for 2 days/week from the first week for 12 weeks, the treatment with PBS and hMSC-CM was carried out 2 days/week from week 4th to week 12th. The effect of the UC-MSC culture medium treatment on the lung was evaluated by assessing lysyl oxidase (LOX), tumor necrosis factor-alpha (TNF-α), and transforming growth factor-β1 (TGF-β1) genes, and proteins expression by real-time RCR and western blotting, respectively. Results Lysyl oxidase (LOX), tumor necrosis factor-alpha (TNF-α), transforming growth factor-b1 (TGF-β1), malondialdehyde (MDA), and oxidative stress levels were markedly higher in the fibrosis group than in the control groups (p ≤ 0.001). Additionally, glutathione (GSH) in the fibrosis group was markedly lower than those in the control groups (p ≤ 0.001). Fibrosis in the UC-MSC treatment group had milder histopathological injuries than in the fibrosis group. Conclusion hMSC-MSC as a strong anti-inflammatory, antioxidative, and antifibrotic decreases the level of oxidative stress, proinflammatory cytokines, and MDA causing a restoring effect against CCl4-induced pulmonary fibrosis.
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Li Z, Yue M, Liu X, Liu Y, Lv L, Zhang P, Zhou Y. The PCK2-glycolysis axis assists three-dimensional-stiffness maintaining stem cell osteogenesis. Bioact Mater 2022; 18:492-506. [PMID: 35415308 PMCID: PMC8971594 DOI: 10.1016/j.bioactmat.2022.03.036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 03/15/2022] [Accepted: 03/23/2022] [Indexed: 01/02/2023] Open
Abstract
Understanding mechanisms underlying the heterogeneity of multipotent stem cells offers invaluable insights into biogenesis and tissue development. Extracellular matrix (ECM) stiffness has been acknowledged as a crucial factor regulating stem cell fate. However, how cells sense stiffness cues and adapt their metabolism activity is still unknown. Here we report the novel role of mitochondrial phosphoenolpyruvate carboxykinase (PCK2) in enhancing osteogenesis in 3D ECM via glycolysis. We experimentally mimicked the physical characteristics of 3D trabeculae network of normal and osteoporotic bone with different microstructure and stiffness, observing that PCK2 promotes osteogenesis in 3D ECM with tunable stiffness in vitro and in vivo. Mechanistically, PCK2 enhances the rate-limiting metabolic enzyme pallet isoform phosphofructokinase (PFKP) in 3D ECM, and further activates AKT/extracellular signal-regulated kinase 1/2 (ERK1/2) cascades, which directly regulates osteogenic differentiation of MSCs. Collectively, our findings implicate an intricate crosstalk between cell mechanics and metabolism, and provide new perspectives for strategies of osteoporosis. As the key rate-limiting enzyme of gluconeogenesis, PCK2 manipulates osteogenesis in stiff and soft ECM in vitro and in vivo. PCK2 regulates osteogenic capacity of BMMSCs in 3D ECM with different stiffness, via modulating glycolysis and regulating PFKP-AKT/ERK signaling pathways.
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Affiliation(s)
- Zheng Li
- Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing, 100081, PR China
| | - Muxin Yue
- Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing, 100081, PR China
| | - Xuenan Liu
- Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing, 100081, PR China
| | - Yunsong Liu
- Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing, 100081, PR China
| | - Longwei Lv
- Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing, 100081, PR China
| | - Ping Zhang
- Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing, 100081, PR China
- Corresponding author. Vice Professor of Department of Prosthodontics, School and Hospital of Stomatology of Peking University, 22 Zhongguancun South Avenue, Haidian District, Beijing, 100081, PR China.
| | - Yongsheng Zhou
- Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing, 100081, PR China
- Corresponding author. President of School and Hospital of Stomatology of Peking University, Professor of Department of Prosthodontics, Vice-Director for National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Vice-Director for the National Clinical Research Center of Oral Diseases (PKU), 22 Zhongguancun South Avenue, Haidian District, Beijing, 10081, PR China.
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Niazi S, Moshirfar M, Alizadeh F, Doroodgar F, Baradaran-Rafii A, Filutowski O, Niazi F, Ambrósio R. Association of 2 Lysyl Oxidase Gene Single Nucleotide Polymorphisms with Keratoconus: A Nationwide Registration Study. OPHTHALMOLOGY SCIENCE 2022; 3:100247. [PMID: 36748061 PMCID: PMC9898806 DOI: 10.1016/j.xops.2022.100247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 10/31/2022] [Accepted: 11/03/2022] [Indexed: 11/10/2022]
Abstract
Purpose Keratoconus (KC) is the most common primary ectatic corneal disease, characterized by progressive thinning of the cornea, affecting its shape and structure and leading to visual loss. Lysyl oxidase is an important component of the extracellular matrix and contributes to the homeostasis of corneal stromal extracellular matrix via enzymatic reaction. This nationwide registration study aims to examine the association of KC with 2 known single nucleotide polymorphisms, rs2956540 and rs10519694, in a population of Iranian descent. Design Case-control. Participants One hundred seventy-eight subjects with KC and 180 clinically healthy subjects participated in the study. Methods Genomic DNA was extracted from peripheral blood samples, and their genotypes were determined using tetra-primer amplification refractory mutation system-polymerase chain reaction. Main Outcome Measures Allele frequency for rs2956540 and rs10519694. Results Genotype frequency was significantly different between cases and controls for rs2956540 (P value = 0.019). The rs2956540 C allele carriers were significantly more frequent among KC cases than healthy controls (P valuechi-square = 0.015, P valueFisher exact = 0.017). There was a significant difference in genotype frequency between groups for rs10519694 (P value = 0.001). T allele carriers were significantly more frequent among KC patients (P valuechi-square = 0.002, P valueFisher exact = 0.001). Sex stratification revealed no significant differences in genotype frequency between males and females in cases and controls. Fitting the general linear model showed that rs10519694 could be considered a predictor for the development of KC (P value = 0.001); however, this was not observed for rs2956540 (P value = 0.323). Conclusions rs2956540 and rs10519694 are associated with KC in a population of Iranian descent. rs10519694 could potentially be used for KC risk prediction.
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Affiliation(s)
- Sana Niazi
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Majid Moshirfar
- John A. Moran Eye Center, University of Utah, Salt Lake City, Utah
| | - Fatemeh Alizadeh
- Department of Genomic Psychiatry and Behavioral Genomics (DGPBG), Roozbeh Hospital, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Farideh Doroodgar
- Translational Ophthalmology Research Center, Tehran University of Medical Sciences, Tehran, Iran,Negah Specialty Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran,Correspondence: Farideh Doroodgar, MD; Address: Negah Specialty Ophthalmic Hospital and Research Center, No 3., Ketabi St., Shariati Ave., Tehran, Iran; Postal Code: 1544914599
| | - Alireza Baradaran-Rafii
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran,Department of Ophthalmology, Morsani College of Medicine, University of South Florida, Tampa, Florida
| | - Oliver Filutowski
- Department of Ophthalmology, Morsani College of Medicine, University of South Florida, Tampa, Florida
| | - Feizollah Niazi
- Clinical Research Development Center, Shahid Modarres Educational hospital, Shahid Behesht University of Medical Sciences, Tehran, Iran
| | - Renato Ambrósio
- Department of Ophthalmology, Federal University the State of Rio de Janeiro (UNIRIO), São Paulo, Brazil,Department of Ophthalmology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil,Instituto de Olhos Renato Ambrósio, Rio de Janeiro, Brazil,Rio de Janeiro Corneal Tomography and Biomechanics Study Group, Rio de Janeiro, Brazil,BrAIN: Brazilian Artificial Intelligence Networking in Medicine, Rio de Janeiro & Maceió, Brazil
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Potekaev NN, Borzykh OB, Shnayder NA, Petrova MM, Karpova EI, Nasyrova RF. Collagen synthesis in the skin: genetic and epigenetic aspects. BULLETIN OF SIBERIAN MEDICINE 2022. [DOI: 10.20538/1682-0363-2022-3-217-226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
One of the most important functions of the skin, mechanical, is provided by collagen fibers and their interaction with other elements of the extracellular matrix. Synthesis of collagen fibers is a complex multistep process. At each stage, disturbances may occur, leading, as a result, to a decrease in the mechanical properties of the connective tissue. In clinical practice, disorders of collagen synthesis are manifested through increased skin laxity and looseness and premature aging. In addition to the clinical presentation, it is important for the cosmetologist and dermatologist to understand the etiology and pathogenesis of collagenopathies. The present review summarizes and systematizes available information about the role of genetic and epigenetic factors in the synthesis of collagen fibers in the skin. Understanding the etiology of collagen synthesis disorders can allow doctors to prescribe pathogenetically grounded treatment with the most effective results and minimize adverse reactions.
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Affiliation(s)
- N. N. Potekaev
- Pirogov Russian National Research Medical University; Moscow Research and Practical Center for Dermatology and Cosmetology, Department of Healthcare
| | - O. B. Borzykh
- V.F. Voino-Yasenetsky Krasnoyarsk State Medical University
| | - N. A. Shnayder
- V.F. Voino-Yasenetsky Krasnoyarsk State Medical University; Bekhterev Psychoneurological Research Institute
| | - M. M. Petrova
- V.F. Voino-Yasenetsky Krasnoyarsk State Medical University
| | - E. I. Karpova
- Pirogov Russian National Research Medical University
| | - R. F. Nasyrova
- Bekhterev Psychoneurological Research Institute; Kazan Federal University
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Sarandy MM, Gusmão LJ, Purgato GA, Píccolo MS, Pinto da Matta SL, Pizziolo VR, Diaz-Munoz G, Nogueira Diaz MA. Hydroalcoholic extract of Remijia ferruginea accelerates the closure of skin wounds by modulating tissue morphology and antioxidant profile: An in vitro and in vivo study. JOURNAL OF ETHNOPHARMACOLOGY 2022; 296:115464. [PMID: 35714880 DOI: 10.1016/j.jep.2022.115464] [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: 04/27/2022] [Revised: 06/03/2022] [Accepted: 06/12/2022] [Indexed: 06/15/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Remijia ferruginea DC. (Rubiaceae) (syn. Cinchona ferruginea A.St.-Hil.) is used in traditional medicine for the treatment of wounds, fever and malaria. AIM This study investigated in vitro the proliferative and antioxidant effects of hydroalcoholic extract of leaves of R. ferruginea (HERF) and in vivo the healing effect of ointment based on HERF. MATERIALS AND METHODS The plant extract was characterized by liquid chromatography/mass spectrometry. Cell proliferation assays and in vitro antioxidant activity were performed. In in vivo assays, wound contraction ax was evaluated, as well as histological analyzes such as cellularity, proportion of blood vessels and collagen type I and III index. In addition, analyzes of the antioxidant enzymes SOD, CAT and GST were performed. RESULTS Our results showed in the chromatographic analysis that catechin, rutin and quercetin were the main phenolic compounds in the plant extract and may be responsible for the antioxidant and proliferative effects (p < 0.05). In addition, these compounds were found in higher concentration in leaves collected in spring. The ointment containing HERF was able to modulate tissue morphology, increasing cell proliferation, blood vessels, being able to stimulate the production of collagen fibers type I and III, (p < 0.05) contributing to scar tissue maturation and resistance. CONCLUSION Our findings indicated that the three doses of HERF tested (1%, 3% and 5%) can modulate the skin repair process, but the best effects were observed after exposure to the highest dose.
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Affiliation(s)
- Mariáurea Matias Sarandy
- Department of General Biology, Federal University of Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - Leandro José Gusmão
- Department of Biochemistry and Molecular Biology, Federal University of Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - Gislaine Aparecida Purgato
- Department of Biochemistry and Molecular Biology, Federal University of Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - Mayra Soares Píccolo
- Department of Biochemistry and Molecular Biology, Federal University of Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil.
| | | | - Virgínia Ramos Pizziolo
- Department of Biochemistry and Molecular Biology, Federal University of Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - Gaspar Diaz-Munoz
- Department of Chemistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil.
| | - Marisa Alves Nogueira Diaz
- Department of Biochemistry and Molecular Biology, Federal University of Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil.
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Cheng C, Sun Q, Wang X, He B, Jiang T. Enzyme-manipulated hydrogelation of small molecules for biomedical applications. Acta Biomater 2022; 151:88-105. [PMID: 35970483 DOI: 10.1016/j.actbio.2022.08.016] [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: 05/17/2022] [Revised: 07/26/2022] [Accepted: 08/08/2022] [Indexed: 11/26/2022]
Abstract
Enzyme-manipulated hydrogelation based on self-assembly of small molecules is an attractive methodology for development of functional biomaterials. Upon the catalysis of enzymes, small-molecular precursors are converted into assemblable building blocks, which arrange into high-ordered nanofibers via non-covalent interactions at the molecular level, and further trap water to form hydrogels at the macroscopic level. Such approach has numerous advantages of region- and enantioselectivity, and mild reaction conditions for encapsulation of biomedications or cells that are fragile to environmental change. In addition to the common applications as drug reservoirs or cell scaffolds, the utilization of endogenous enzymes as stimuli to initiate self-assembly in the living cells and tissue is considered as an intelligent spatiotemporally controllable hydrogelation strategy for biomedical applications. The enzyme-instructed in situ self-assembly and hydrogelation can modulate the cell behavior, and even present therapeutic bioactivities, which provides a new perspective in the field of disease treatment. In this review, we categorize distinct enzymatic stimuli and elaborate substrate design, catalytic characteristics, and mechanisms of self-assembly and hydrogelation. The biomedical applications in drug delivery, tissue engineering, bioimaging, and in situ gelation-produced bioactivity are outlined. Advantages and limitations regarding the state-of-the-art enzyme-driven hydrogelation technologies and future perspectives are also discussed. STATEMENT OF SIGNIFICANCE: Hydrogel is a semi-solid soft material containing a large amount of water. Due to the features of adjustable flexibility, extremely porous architecture, and the high similarity of structure to natural extracellular matrices, the hydrogel has broad application prospects in biomedicine. In recent 20 years, enzyme-manipulated hydrogelation based on self-assembly of small molecules has developed rapidly as an attractive methodology for the construction of functional biomaterials. Upon the catalysis of enzymes, small-molecular precursors are converted into assemblable building blocks, which arrange into high-ordered nanofibers via non-covalent interactions at the molecular level, and further trap water to form hydrogels at the macroscopic level. This review summarized the characteristics of enzymatic hydrogel, as well as the traditional application and emerging prospect of enzyme-instructed self-assembly and hydrogelation.
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Affiliation(s)
- Cheng Cheng
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, China
| | - Qingyun Sun
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, China
| | - Xiuping Wang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, China
| | - Bingfang He
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, China.
| | - Tianyue Jiang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, China.
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Schulze-Tanzil GG, Delgado-Calcares M, Stange R, Wildemann B, Docheva D. Tendon healing: a concise review on cellular and molecular mechanisms with a particular focus on the Achilles tendon. Bone Joint Res 2022; 11:561-574. [PMID: 35920195 PMCID: PMC9396922 DOI: 10.1302/2046-3758.118.bjr-2021-0576.r1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Tendon is a bradytrophic and hypovascular tissue, hence, healing remains a major challenge. The molecular key events involved in successful repair have to be unravelled to develop novel strategies that reduce the risk of unfavourable outcomes such as non-healing, adhesion formation, and scarring. This review will consider the diverse pathophysiological features of tendon-derived cells that lead to failed healing, including misrouted differentiation (e.g. de- or transdifferentiation) and premature cell senescence, as well as the loss of functional progenitors. Many of these features can be attributed to disturbed cell-extracellular matrix (ECM) or unbalanced soluble mediators involving not only resident tendon cells, but also the cross-talk with immigrating immune cell populations. Unrestrained post-traumatic inflammation could hinder successful healing. Pro-angiogenic mediators trigger hypervascularization and lead to persistence of an immature repair tissue, which does not provide sufficient mechano-competence. Tendon repair tissue needs to achieve an ECM composition, structure, strength, and stiffness that resembles the undamaged highly hierarchically ordered tendon ECM. Adequate mechano-sensation and -transduction by tendon cells orchestrate ECM synthesis, stabilization by cross-linking, and remodelling as a prerequisite for the adaptation to the increased mechanical challenges during healing. Lastly, this review will discuss, from the cell biological point of view, possible optimization strategies for augmenting Achilles tendon (AT) healing outcomes, including adapted mechanostimulation and novel approaches by restraining neoangiogenesis, modifying stem cell niche parameters, tissue engineering, the modulation of the inflammatory cells, and the application of stimulatory factors.Cite this article: Bone Joint Res 2022;11(8):561-574.
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Affiliation(s)
| | - Manuel Delgado-Calcares
- Experimental Trauma Surgery, Department of Trauma Surgery, University Regensburg Medical Centre, Regensburg, Germany
| | - Richard Stange
- Department of Regenerative Musculoskeletal Medicine, Institute for Musculoskeletal Medicine (IMM), University Hospital Münster, Münster, Germany
| | - Britt Wildemann
- Department of Experimental Trauma Surgery, University Hospital Jena, Jena, Germany
| | - Denitsa Docheva
- Department of Musculoskeletal Tissue Regeneration, Orthopaedic Hospital König-Ludwig-Haus, University of Würzburg, Würzburg, Germany
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Zhang Q, Hu Y, Long X, Hu L, Wu Y, Wu J, Shi X, Xie R, Bi Y, Yu F, Li P, Yang Y. Preparation and Application of Decellularized ECM-Based Biological Scaffolds for Articular Cartilage Repair: A Review. Front Bioeng Biotechnol 2022; 10:908082. [PMID: 35845417 PMCID: PMC9280718 DOI: 10.3389/fbioe.2022.908082] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 06/09/2022] [Indexed: 11/16/2022] Open
Abstract
Cartilage regeneration is dependent on cellular-extracellular matrix (ECM) interactions. Natural ECM plays a role in mechanical and chemical cell signaling and promotes stem cell recruitment, differentiation and tissue regeneration in the absence of biological additives, including growth factors and peptides. To date, traditional tissue engineering methods by using natural and synthetic materials have not been able to replicate the physiological structure (biochemical composition and biomechanical properties) of natural cartilage. Techniques facilitating the repair and/or regeneration of articular cartilage pose a significant challenge for orthopedic surgeons. Whereas, little progress has been made in this field. In recent years, with advances in medicine, biochemistry and materials science, to meet the regenerative requirements of the heterogeneous and layered structure of native articular cartilage (AC) tissue, a series of tissue engineering scaffolds based on ECM materials have been developed. These scaffolds mimic the versatility of the native ECM in function, composition and dynamic properties and some of which are designed to improve cartilage regeneration. This review systematically investigates the following: the characteristics of cartilage ECM, repair mechanisms, decellularization method, source of ECM, and various ECM-based cartilage repair methods. In addition, the future development of ECM-based biomaterials is hypothesized.
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Affiliation(s)
- Qian Zhang
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Yixin Hu
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Xuan Long
- Department of Obstetrics and Gynecology, Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Lingling Hu
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Yu Wu
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Ji Wu
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Xiaobing Shi
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Runqi Xie
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Yu Bi
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Fangyuan Yu
- Senior Department of Orthopedics, Forth Medical Center of Chinese PLA General Hospital, Beijing, China
- *Correspondence: Fangyuan Yu, ; Pinxue Li, ; Yu Yang,
| | - Pinxue Li
- School of Medicine, Nankai University, Tianjin, China
- *Correspondence: Fangyuan Yu, ; Pinxue Li, ; Yu Yang,
| | - Yu Yang
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
- *Correspondence: Fangyuan Yu, ; Pinxue Li, ; Yu Yang,
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Charles AC, Dadmohammadi Y, Abbaspourrad A. Food and cosmetic applications of the avocado seed: a review. Food Funct 2022; 13:6894-6901. [PMID: 35695181 DOI: 10.1039/d1fo02438h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Avocado seed waste has increased as avocado products have become commercialized since the seed is considered inedible. However, by exploring the potential uses of the seed, the unrecyclable waste produced by the avocado industry can be reduced. This paper aims to review and discuss current literature on the food and cosmetic applications of avocado seeds and their constituents. In descending order, avocado seeds contain starch, water, lipids, protein, phytochemicals, antinutrients, vitamins, and minerals. As for food applications, starch can be used as a bioplastic, flour, thickening agent, and emulsifier. Additionally, extracts containing avocado seed phytochemicals show antimicrobial and preservative activities, which can find use in meat products and in producing an orange dye. When considering cosmetic applications, patented avocado seed extract formulations have proven useful in skincare. Also, the avocado seed lipids, in the form of fatty acids, can be processed into soap. By applying the ideas presented in this review, the toll avocado seeds take on the environment would be reduced, improving the sustainability of the avocado market. As a result, avocado seeds can contribute to the emerging bioeconomy market for food and cosmetic applications.
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Affiliation(s)
- Albert C Charles
- Department of Food Science, College of Agriculture and Life Sciences, Cornell University, Ithaca 14853, NY, USA.
| | - Younas Dadmohammadi
- Department of Food Science, College of Agriculture and Life Sciences, Cornell University, Ithaca 14853, NY, USA.
| | - Alireza Abbaspourrad
- Department of Food Science, College of Agriculture and Life Sciences, Cornell University, Ithaca 14853, NY, USA.
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Su Y, Zhang X, Li S, Xie W, Guo J. Emerging roles of the copper-CTR1 axis in tumorigenesis. Mol Cancer Res 2022; 20:1339-1353. [PMID: 35604085 DOI: 10.1158/1541-7786.mcr-22-0056] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/09/2022] [Accepted: 05/17/2022] [Indexed: 11/16/2022]
Abstract
Physiological roles of copper in metabolic homeostasis have been well established, however, whether and how copper is dysregulated in tumors and contributes to tumorigenesis are not recapitulated. Here, we comprehensively summarize the potential origins of copper accumulation in diseases especially in cancers by dysregulating copper transporter 1 (CTR1) or ATPase copper transporting alpha/beta (ATP7A/B) and further demonstrate the underlying mechanism of copper contributing to tumorigenesis. Specifically, in addition to modulating reactive oxygen species (ROS), angiogenesis, immune response, and metabolic homeostasis, copper recently has drawn more attention by directly binding to oncoproteins such as MEK, ULK, Memo, and PDK1 to activate distinct oncogenic signals and account for tumorigenesis. In the end, we disclose the emerging applications of copper in cancer diagnosis and highlight the promising strategies to target the copper-CTR1 axis for cancer therapies.
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Affiliation(s)
- Yaqing Su
- First Affiliated Hospital of Sun Yat-sen University, guangzhou, guangdong, China
| | - Xiaomei Zhang
- First Affiliated Hospital of Sun Yat-sen University, China
| | - Shaoqiang Li
- The First Affiliatd Hospital of Sun Yat-sen University, Guangzhou, China
| | - Wei Xie
- First Affiliated Hospital of Sun Yat-sen University, China
| | - Jianping Guo
- First Affiliated Hospital of Sun Yat-sen University, guangzhou, guangdong, China
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Pan-Lysyl Oxidase Inhibitor PXS-5505 Ameliorates Multiple-Organ Fibrosis by Inhibiting Collagen Crosslinks in Rodent Models of Systemic Sclerosis. Int J Mol Sci 2022; 23:ijms23105533. [PMID: 35628342 PMCID: PMC9146019 DOI: 10.3390/ijms23105533] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 05/06/2022] [Accepted: 05/13/2022] [Indexed: 01/09/2023] Open
Abstract
Systemic sclerosis (SSc) is characterised by progressive multiple organ fibrosis leading to morbidity and mortality. Lysyl oxidases play a vital role in the cross-linking of collagens and subsequent build-up of fibrosis in the extracellular matrix. As such, their inhibition provides a novel treatment paradigm for SSc. A novel small molecule pan-lysyl oxidase inhibitor, PXS-5505, currently in clinical development for myelofibrosis treatment was evaluated using in vivo rodent models resembling the fibrotic conditions in SSc. Both lysyl oxidase and lysyl oxidase-like 2 (LOXL2) expression were elevated in the skin and lung of SSc patients. The oral application of PXS-5505 inhibited lysyl oxidase activity in the skin and LOXL2 activity in the lung. PXS-5505 exhibited anti-fibrotic effects in the SSc skin mouse model, reducing dermal thickness and α-smooth muscle actin. Similarly, in the bleomycin-induced mouse lung model, PXS-5505 reduced pulmonary fibrosis toward normal levels, mediated by its ability to normalise collagen/elastin crosslink formation. PXS-5505 also reduced fibrotic extent in models of the ischaemia-reperfusion heart, the unilateral ureteral obstruction kidney, and the CCl4-induced fibrotic liver. PXS-5505 consistently demonstrates potent anti-fibrotic efficacy in multiple models of organ fibrosis relevant to the pathogenesis of SSc, suggesting that it may be efficacious as a novel approach for treating SSc.
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Salah Najim A, Bahry Al_Sadoon M, Salem Sheet M. Effect of Caraway Seed Extract on the Blood Biochemistry and Antioxidant Capacity among the Hyperoxidative Stress-Induced Rats. ARCHIVES OF RAZI INSTITUTE 2022; 77:553-563. [PMID: 36284942 PMCID: PMC9548277 DOI: 10.22092/ari.2021.356810.1917] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 12/04/2021] [Indexed: 11/15/2022]
Abstract
Carum carvi (Carium) or caraway is traditionally used for the treatment of several metabolic and non-metabolic disorders. In the current study, extracted oil, flavonoids, and alkaloids from the Carium were used to evaluate the effects of these components on blood lipid profile and heart regeneration from oxidative damages caused by hydrogen peroxide consumption. A total of 50 male BALB/c mice were used in this study with a body weight of 23-32 g. The animals were randomly divided into 5 groups (n=10). Group 1: The animals in this group were considered the control group and fed with a normal diet. Group 2: Hyperoxidative stress was induced in this group by giving hydrogen peroxide at a concentration of 1% into the drinking water for 6 weeks. After this period, they did not receive any treatments and only received saline solution by intraperitoneal (IP) injection once a day for 4 weeks. Group 3: Hyperoxidative stress was induced by hydrogen peroxide at a concentration of 1% for 6 weeks. All the animals in this group received 1.25 mg/kg body weight (B.W.) extracted oil from Caraway seeds for 4 weeks by IP injection once a day each week. Group 4: Hyperoxidative stress was induced by hydrogen peroxide at a concentration of 1% for 6 weeks. All the animals in this group received 61.28 mg/kg B.W. extracted flavonoids from Caraway seeds for 4 weeks by IP injection once a day each week. Group 5: Hyperoxidative stress was induced by hydrogen peroxide at a concentration of 1% for 6 weeks. All the animals in this group received 7.8 mg/kg B.W. extracted alkaloids from Caraway seeds for 4 weeks by IP injection once a day each week. The levels of glutathione and malondialdehyde were estimated in the liver and kidneys in the animals with cardiovascular disorders induced by hydrogen peroxide at a concentration of 1%. The results of the current study showed that the alkaloids had the greatest effect in reducing harmful total cholesterol and a complete recovery of the heart and aorta from atherosclerotic lesions through viewing the tissue sections.
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Affiliation(s)
- A Salah Najim
- Department of Chemistry, Education College for Girls, Mosul University, Mosul, Iraq
| | - M Bahry Al_Sadoon
- Department of Chemistry, College of Science, Mosul University, Mosul, Iraq
| | - M Salem Sheet
- Department of Chemistry, Education College for Girls, Mosul University, Mosul, Iraq
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Alksne M, Kalvaityte M, Simoliunas E, Gendviliene I, Barasa P, Rinkunaite I, Kaupinis A, Seinin D, Rutkunas V, Bukelskiene V. Dental pulp stem cell-derived extracellular matrix: autologous tool boosting bone regeneration. Cytotherapy 2022; 24:597-607. [PMID: 35304075 DOI: 10.1016/j.jcyt.2022.02.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 11/22/2021] [Accepted: 02/05/2022] [Indexed: 11/18/2022]
Abstract
BACKGROUND AIMS To facilitate artificial bone construct integration into a patient's body, scaffolds are enriched with different biologically active molecules. Among various scaffold decoration techniques, coating surfaces with cell-derived extracellular matrix (ECM) is a rapidly growing field of research. In this study, for the first time, this technology was applied using primary dental pulp stem cells (DPSCs) and tested for use in artificial bone tissue construction. METHODS Rat DPSCs were grown on three-dimensional-printed porous polylactic acid scaffolds for 7 days. After the predetermined time, samples were decellularized, and the remaining ECM detailed proteomic analysis was performed. Further, DPSC-secreated ECM impact to mesenchymal stromal cells (MSC) behaviour as well as its role in osteoregeneration induction were analysed. RESULTS It was identified that DPSC-specific ECM protein network ornamenting surface-enhanced MSC attachment, migration and proliferation and even promoted spontaneous stem cell osteogenesis. This protein network also demonstrated angiogenic properties and did not stimulate MSCs to secrete molecules associated with scaffold rejection. With regard to bone defects, DPSC-derived ECM recruited endogenous stem cells, initiating the bone self-healing process. Thus, the DPSC-secreted ECM network was able to significantly enhance artificial bone construct integration and induce successful tissue regeneration. CONCLUSIONS DPSC-derived ECM can be a perfect tool for decoration of various biomaterials in the context of bone tissue engineering.
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Affiliation(s)
- Milda Alksne
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania.
| | - Migle Kalvaityte
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Egidijus Simoliunas
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Ieva Gendviliene
- Institute of Odontology, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Povilas Barasa
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Ieva Rinkunaite
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Algirdas Kaupinis
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Dmitrij Seinin
- National Center of Pathology, Affiliate of Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | - Vygandas Rutkunas
- Institute of Odontology, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Virginija Bukelskiene
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Vilnius, Lithuania
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Amaral RND, Tannuri ACA, Neri JMTR, Reis HDS, Gonçalves JO, Serafini S, Tannuri U. Wound healing in weaning, adult, and old rats with provoked incisional hernias. A comparative study. Clinics (Sao Paulo) 2022; 77:100106. [PMID: 36137344 PMCID: PMC9493376 DOI: 10.1016/j.clinsp.2022.100106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 07/14/2022] [Accepted: 08/29/2022] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Incisional hernias are more frequent in adults than in children. It is hypothesized that a more efficient healing process in pediatric patients could explain this difference in incidence. Certain elements of healing such as neovascularization, degree of inflammation, percentage of mature and immature collagen, the proliferation of fibroblasts, and expression of certain genes could explain why healing in children is more efficient when compared to the adult and elderly populations. MATERIALS AND METHODS Seventy-one rats of 3 different age groups (weaning, adult, and old) underwent surgery with 3 different incisions (vertical, oblique, and horizontal). During the procedure, the skin and abdominal wall of the animal were sectioned and only the skin was sutured to mimic incisional hernia in the animals. Four weeks after surgery, the rats were euthanized, their skin was removed, and the extent of scar tissue formed in the muscle opening was measured. In addition, samples of the scar tissue were collected for histological, immunohistochemical, and molecular analyzes. Nine rats served as controls. RESULTS Shorter-length hernias were formed in weaning rats when compared to old ones when the surgical incision was horizontal (p = 0.03). There was a greater proliferation of fibroblasts in rats in the younger age groups, regardless of the type of incision. The Lox gene was more expressed in weaning rats with vertical and oblique incisions. CONCLUSIONS These differences could explain the better healing and lower incidence of hernias in the pediatric population, although this aspect requires further studies.
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Affiliation(s)
- Raphael Nogueira do Amaral
- Medical Researcher, Pediatric Surgery Division, Pediatric Liver Transplantation Unit and Laboratory of Research in Pediatric Surgery (LIM 30), Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil
| | - Ana Cristina Aoun Tannuri
- Professor, Pediatric Surgery Division, Pediatric Liver Transplantation Unit and Laboratory of Research in Pediatric Surgery (LIM 30), Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil
| | - Junia Marielle Teixeira Rodrigues Neri
- Medical Researcher, Pediatric Surgery Division, Pediatric Liver Transplantation Unit and Laboratory of Research in Pediatric Surgery (LIM 30), Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil
| | - Hugo de Souza Reis
- Pediatric Surgery Division, Pediatric Liver Transplantation Unit and Laboratory of Research in Pediatric Surgery (LIM 30), Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil
| | - Josiane Oliveira Gonçalves
- Biologist, Pediatric Surgery Division, Pediatric Liver Transplantation Unit and Laboratory of Research in Pediatric Surgery (LIM 30), Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil
| | - Suellen Serafini
- Biologist, Pediatric Surgery Division, Pediatric Liver Transplantation Unit and Laboratory of Research in Pediatric Surgery (LIM 30), Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil
| | - Uenis Tannuri
- Head Professor, Pediatric Surgery Division, Pediatric Liver Transplantation Unit and Laboratory of Research in Pediatric Surgery (LIM 30), Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil.
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Zinc-nutrient element based alloys for absorbable wound closure devices fabrication: Current status, challenges, and future prospects. Biomaterials 2021; 280:121301. [PMID: 34922270 DOI: 10.1016/j.biomaterials.2021.121301] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 11/25/2021] [Accepted: 11/29/2021] [Indexed: 01/22/2023]
Abstract
The need for the development of load-bearing, absorbable wound closure devices is driving the research for novel materials that possess both good biodegradability and superior mechanical characteristics. Biodegradable metals (BMs), namely: magnesium (Mg), zinc (Zn) and iron (Fe), which are currently being investigated for absorbable vascular stent and orthopaedic implant applications, are slowly gaining research interest for the fabrication of wound closure devices. The current review presents an overview of the traditional and novel BM-based intracutaneous and transcutaneous wound closure devices, and identifies Zn as a promising substitute for the traditional materials used in the fabrication of absorbable load-bearing sutures, internal staples, and subcuticular staples. In order to further strengthen Zn to be used in highly stressed situations, nutrient elements (NEs), including calcium (Ca), Mg, Fe, and copper (Cu), are identified as promising alloying elements for the strengthening of Zn-based wound closure device material that simultaneously provide potential therapeutic benefit to the wound healing process during implant biodegradation process. The influence of NEs on the fundamental characteristics of biodegradable Zn are reviewed and critically assessed with regard to the mechanical properties and biodegradability requirements of different wound closure devices. The opportunities and challenges in the development of Zn-based wound closure device materials are presented to inspire future research on this rapidly growing field.
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35
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Bone marrow microenvironment of MPN cells. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2021. [PMID: 34756245 DOI: 10.1016/bs.ircmb.2021.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/10/2023]
Abstract
In this chapter, we will discuss the current knowledge concerning the alterations of the cellular components in the bone marrow niche in Myeloproliferative Neoplasms (MPNs), highlighting the central role of the megakaryocytes in MPN progression, and the extracellular matrix components characterizing the fibrotic bone marrow.
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Abstract
One of the most important functions of the skin, i.e., protection from mechanical damage, is ensured by collagen fibers and their interaction with other elements in the extracellular matrix. Collagen fiber turnover is a complex multi-stage process. At each stage, a disruption may occur, leading to a decrease in the mechanical properties of the connective tissue. Clinically, collagen formation disorders manifest themselves as increased flabbiness and looseness of the skin and as early signs of facial aging. In addition to the clinical picture, it is important for cosmetologists and dermatologists to understand the etiology and pathogenesis of collagenopathies. In our review, we summarized and systematized the available information concerning the role of genetic and epigenetic factors in skin collagen fiber turnover. Furthermore, we focused on the functions of different types of collagens present in the skin. Understanding the etiology of impaired collagen formation can allow doctors to prescribe pathogenetically based treatments, achieve the most effective results, and minimize adverse reactions.
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Anti-aging: senolytics or gerostatics (unconventional view). Oncotarget 2021; 12:1821-1835. [PMID: 34504654 PMCID: PMC8416555 DOI: 10.18632/oncotarget.28049] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 07/05/2021] [Indexed: 12/17/2022] Open
Abstract
Senolytics are basically anti-cancer drugs, repurposed to kill senescent cells selectively. It is even more difficult to selectively kill senescent cells than to kill cancer cells. Based on lessons of cancer therapy, here I suggest how to exploit oncogene-addiction and to combine drugs to achieve selectivity. However, even if selective senolytic combinations will be developed, there is little evidence that a few senescent cells are responsible for organismal aging. I also discuss gerostatics, such as rapamycin and other rapalogs, pan-mTOR inhibitors, dual PI3K/mTOR inhibitors, which inhibit growth- and aging-promoting pathways. Unlike senolytics, gerostatics do not kill cells but slow down cellular geroconversion to senescence. Numerous studies demonstrated that inhibition of the mTOR pathways by any means (genetic, pharmacological and dietary) extends lifespan. Currently, only two studies demonstrated that senolytics (fisetin and a combination Dasatinib plus Quercetin) extend lifespan in mice. These senolytics slightly inhibit the mTOR pathway. Thus, life extension by these senolytics can be explained by their slight rapamycin-like (gerostatic) effects.
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SenGupta S, Parent CA, Bear JE. The principles of directed cell migration. Nat Rev Mol Cell Biol 2021; 22:529-547. [PMID: 33990789 PMCID: PMC8663916 DOI: 10.1038/s41580-021-00366-6] [Citation(s) in RCA: 232] [Impact Index Per Article: 77.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/30/2021] [Indexed: 02/03/2023]
Abstract
Cells have the ability to respond to various types of environmental cues, and in many cases these cues induce directed cell migration towards or away from these signals. How cells sense these cues and how they transmit that information to the cytoskeletal machinery governing cell translocation is one of the oldest and most challenging problems in biology. Chemotaxis, or migration towards diffusible chemical cues, has been studied for more than a century, but information is just now beginning to emerge about how cells respond to other cues, such as substrate-associated cues during haptotaxis (chemical cues on the surface), durotaxis (mechanical substrate compliance) and topotaxis (geometric features of substrate). Here we propose four common principles, or pillars, that underlie all forms of directed migration. First, a signal must be generated, a process that in physiological environments is much more nuanced than early studies suggested. Second, the signal must be sensed, sometimes by cell surface receptors, but also in ways that are not entirely clear, such as in the case of mechanical cues. Third, the signal has to be transmitted from the sensing modules to the machinery that executes the actual movement, a step that often requires amplification. Fourth, the signal has to be converted into the application of asymmetric force relative to the substrate, which involves mostly the cytoskeleton, but perhaps other players as well. Use of these four pillars has allowed us to compare some of the similarities between different types of directed migration, but also to highlight the remarkable diversity in the mechanisms that cells use to respond to different cues provided by their environment.
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Affiliation(s)
- Shuvasree SenGupta
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Carole A Parent
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI, USA
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, USA
- Rogel Cancer Center, University of Michigan, Ann Arbor, MI, USA
- Life Sciences Institute, University of Michigan, Ann Arbor, MI, USA
| | - James E Bear
- UNC Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, USA.
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, USA.
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Pfisterer K, Shaw LE, Symmank D, Weninger W. The Extracellular Matrix in Skin Inflammation and Infection. Front Cell Dev Biol 2021; 9:682414. [PMID: 34295891 PMCID: PMC8290172 DOI: 10.3389/fcell.2021.682414] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 05/25/2021] [Indexed: 12/12/2022] Open
Abstract
The extracellular matrix (ECM) is an integral component of all organs and plays a pivotal role in tissue homeostasis and repair. While the ECM was long thought to mostly have passive functions by providing physical stability to tissues, detailed characterization of its physical structure and biochemical properties have uncovered an unprecedented broad spectrum of functions. It is now clear that the ECM not only comprises the essential building block of tissues but also actively supports and maintains the dynamic interplay between tissue compartments as well as embedded resident and recruited inflammatory cells in response to pathologic stimuli. On the other hand, certain pathogens such as bacteria and viruses have evolved strategies that exploit ECM structures for infection of cells and tissues, and mutations in ECM proteins can give rise to a variety of genetic conditions. Here, we review the composition, structure and function of the ECM in cutaneous homeostasis, inflammatory skin diseases such as psoriasis and atopic dermatitis as well as infections as a paradigm for understanding its wider role in human health.
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Affiliation(s)
- Karin Pfisterer
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | | | | | - Wolfgang Weninger
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
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Human Mesenchymal Stromal Cell-Derived Exosomes Promote In Vitro Wound Healing by Modulating the Biological Properties of Skin Keratinocytes and Fibroblasts and Stimulating Angiogenesis. Int J Mol Sci 2021; 22:ijms22126239. [PMID: 34207905 PMCID: PMC8228793 DOI: 10.3390/ijms22126239] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 05/31/2021] [Accepted: 06/07/2021] [Indexed: 12/14/2022] Open
Abstract
Bone marrow-derived mesenchymal stromal cells (MSCs) are major players in regenerative therapies for wound healing via their paracrine activity, mediated partially by exosomes. Our purpose was to test if MSC-derived exosomes could accelerate wound healing by enhancing the biological properties of the main cell types involved in the key phases of this process. Thus, the effects of exosomes on (i) macrophage activation, (ii) angiogenesis, (iii) keratinocytes and dermal fibroblasts proliferation and migration, and (iv) the capacity of myofibroblasts to regulate the turnover of the extracellular matrix were evaluated. The results showed that, although exosomes did not exhibit anti-inflammatory properties, they stimulated angiogenesis. Exposure of keratinocytes and dermal (myo)fibroblasts to exosomes enhanced their proliferation and migratory capacity. Additionally, exosomes prevented the upregulation of gene expression for type I and III collagen, α-smooth muscle actin, and MMP2 and 14, and they increased MMP13 expression during the fibroblast–myofibroblast transition. The regenerative properties of exosomes were validated using a wound healing skin organotypic model, which exhibited full re-epithelialization upon exosomes exposure. In summary, these data indicate that exosomes enhance the biological properties of keratinocytes, fibroblasts, and endothelial cells, thus providing a reliable therapeutic tool for skin regeneration.
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Activin-A Induces Early Differential Gene Expression Exclusively in Periodontal Ligament Fibroblasts from Fibrodysplasia Ossificans Progressiva Patients. Biomedicines 2021; 9:biomedicines9060629. [PMID: 34205844 PMCID: PMC8229991 DOI: 10.3390/biomedicines9060629] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/17/2021] [Accepted: 05/28/2021] [Indexed: 01/11/2023] Open
Abstract
Fibrodysplasia Ossificans Progressiva (FOP) is a rare genetic disease characterized by heterotopic ossification (HO). It is caused by mutations in the Activin receptor type 1 (ACVR1) gene, resulting in enhanced responsiveness to ligands, specifically to Activin-A. Though it has been shown that capturing Activin-A protects against heterotopic ossification in animal models, the exact underlying mechanisms at the gene expression level causing ACVR1 R206H-mediated ossifications and progression are thus far unknown. We investigated the early transcriptomic changes induced by Activin-A of healthy control and patient-derived periodontal ligament fibroblasts (PLF) isolated from extracted teeth by RNA sequencing analysis. To study early differences in response to Activin-A, periodontal ligament fibroblasts from six control teeth and from six FOP patient teeth were cultured for 24 h without and with 50 ng/mL Activin-A and analyzed with RNA sequencing. Pathway analysis on genes upregulated by Activin-A in FOP cells showed an association with pathways involved in, among others, Activin, TGFβ, and BMP signaling. Differential gene expression induced by Activin-A was exclusively seen in the FOP cells. Median centered supervised gene expression analysis showed distinct clusters of up- and downregulated genes in the FOP cultures after stimulation with Activin-A. The upregulated genes with high fold changes like SHOC2, TTC1, PAPSS2, DOCK7, and LOX are all associated with bone metabolism. Our open-ended approach to investigating the early effect of Activin-A on gene expression in control and FOP PLF shows that the molecule exclusively induces differential gene expression in FOP cells and not in control cells.
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Synergistic effect of copper and amino acid mixtures on the production of extracellular matrix proteins in skin fibroblasts. Mol Biol Rep 2021; 48:3277-3284. [PMID: 34009566 DOI: 10.1007/s11033-021-06403-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 05/08/2021] [Indexed: 10/21/2022]
Abstract
The stimulation of extracellular matrix (ECM) protein production is an interesting target to maintain normal skin structure and delay skin aging. Copper has been shown to stimulate ECM protein synthesis by activating lysyl oxidase. Although copper increases elastin and collagen synthesis, the effect of copper and amino acid mixtures on gene expression and protein synthesis changes relating to the ECM have not been fully investigated. In this study, we showed that copper ions (Cu2+) and amino acid mixtures significantly increased the expression of genes and proteins related to the ECM in human dermal fibroblasts. The expression of genes involved in ECM production was evaluated through quantitative polymerase chain reaction in the presence of amino acid mixtures containing different Cu2+ concentrations. Cu2+ dose-dependently increased the gene expression of elastin and collagen I. In addition, a mixture of amino acids and Cu2+ increased the protein expression of elastin and collagen I. We further evaluated the effect of Cu2+ with or without amino acids. Although Cu2+ treatment increased the expression of genes encoding ECM proteins, the Cu2+ treatment without amino acids did not increase protein expression in the ECM. Our results demonstrated the synergistic effects of amino acids and a Cu2+ mixture on ECM protein synthesis in dermal fibroblasts.
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Kim H, Lee DS, An TH, Park HJ, Kim WK, Bae KH, Oh KJ. Metabolic Spectrum of Liver Failure in Type 2 Diabetes and Obesity: From NAFLD to NASH to HCC. Int J Mol Sci 2021; 22:ijms22094495. [PMID: 33925827 PMCID: PMC8123490 DOI: 10.3390/ijms22094495] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 04/22/2021] [Accepted: 04/23/2021] [Indexed: 02/06/2023] Open
Abstract
Liver disease is the spectrum of liver damage ranging from simple steatosis called as nonalcoholic fatty liver disease (NAFLD) to hepatocellular carcinoma (HCC). Clinically, NAFLD and type 2 diabetes coexist. Type 2 diabetes contributes to biological processes driving the severity of NAFLD, the primary cause for development of chronic liver diseases. In the last 20 years, the rate of non-viral NAFLD/NASH-derived HCC has been increasing rapidly. As there are currently no suitable drugs for treatment of NAFLD and NASH, a class of thiazolidinediones (TZDs) drugs for the treatment of type 2 diabetes is sometimes used to improve liver failure despite the risk of side effects. Therefore, diagnosis, prevention, and treatment of the development and progression of NAFLD and NASH are important issues. In this review, we will discuss the pathogenesis of NAFLD/NASH and NAFLD/NASH-derived HCC and the current promising pharmacological therapies of NAFLD/NASH. Further, we will provide insights into "adipose-derived adipokines" and "liver-derived hepatokines" as diagnostic and therapeutic targets from NAFLD to HCC.
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Affiliation(s)
- Hyunmi Kim
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon 34141, Korea; (H.K.); (D.S.L.); (T.H.A.); (H.-J.P.); (W.K.K.)
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 34141, Korea
| | - Da Som Lee
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon 34141, Korea; (H.K.); (D.S.L.); (T.H.A.); (H.-J.P.); (W.K.K.)
| | - Tae Hyeon An
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon 34141, Korea; (H.K.); (D.S.L.); (T.H.A.); (H.-J.P.); (W.K.K.)
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 34141, Korea
| | - Hyun-Ju Park
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon 34141, Korea; (H.K.); (D.S.L.); (T.H.A.); (H.-J.P.); (W.K.K.)
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 34141, Korea
| | - Won Kon Kim
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon 34141, Korea; (H.K.); (D.S.L.); (T.H.A.); (H.-J.P.); (W.K.K.)
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 34141, Korea
| | - Kwang-Hee Bae
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon 34141, Korea; (H.K.); (D.S.L.); (T.H.A.); (H.-J.P.); (W.K.K.)
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 34141, Korea
- Correspondence: (K.-H.B.); (K.-J.O.); Tel.: +82-42-860-4268 (K.-H.B.); +82-42-879-8265 (K.-J.O.)
| | - Kyoung-Jin Oh
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon 34141, Korea; (H.K.); (D.S.L.); (T.H.A.); (H.-J.P.); (W.K.K.)
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 34141, Korea
- Correspondence: (K.-H.B.); (K.-J.O.); Tel.: +82-42-860-4268 (K.-H.B.); +82-42-879-8265 (K.-J.O.)
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Mechanosensitive Regulation of Fibrosis. Cells 2021; 10:cells10050994. [PMID: 33922651 PMCID: PMC8145148 DOI: 10.3390/cells10050994] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/12/2021] [Accepted: 04/20/2021] [Indexed: 02/07/2023] Open
Abstract
Cells in the human body experience and integrate a wide variety of environmental cues. A growing interest in tissue mechanics in the past four decades has shown that the mechanical properties of tissue drive key biological processes and facilitate disease development. However, tissue stiffness is not only a potent behavioral cue, but also a product of cellular signaling activity. This review explores both roles of tissue stiffness in the context of inflammation and fibrosis, and the important molecular players driving such processes. During inflammation, proinflammatory cytokines upregulate tissue stiffness by increasing hydrostatic pressure, ECM deposition, and ECM remodeling. As the ECM stiffens, cells involved in the immune response employ intricate molecular sensors to probe and alter their mechanical environment, thereby facilitating immune cell recruitment and potentiating the fibrotic phenotype. This powerful feedforward loop raises numerous possibilities for drug development and warrants further investigation into the mechanisms specific to different fibrotic diseases.
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Targeting Lysyl Oxidase Family Meditated Matrix Cross-Linking as an Anti-Stromal Therapy in Solid Tumours. Cancers (Basel) 2021; 13:cancers13030491. [PMID: 33513979 PMCID: PMC7865543 DOI: 10.3390/cancers13030491] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/20/2021] [Accepted: 01/22/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary To improve efficacy of solid cancer treatment, efforts have shifted towards targeting both the cancer cells and the surrounding tumour tissue they grow in. The lysyl oxidase (LOX) family of enzymes underpin the fibrotic remodeling of the tumour microenvironment to promote both cancer growth, spread throughout the body and modulate response to therapies. This review examines how the lysyl oxidase family is involved in tumour development, how they can be targeted, and their potential as diagnostic and prognostic biomarkers in solid tumours. Abstract The lysyl oxidase (LOX) family of enzymes are a major driver in the biogenesis of desmoplastic matrix at the primary tumour and secondary metastatic sites. With the increasing interest in and development of anti-stromal therapies aimed at improving clinical outcomes of cancer patients, the Lox family has emerged as a potentially powerful clinical target. This review examines how lysyl oxidase family dysregulation in solid cancers contributes to disease progression and poor patient outcomes, as well as an evaluation of the preclinical landscape of LOX family targeting therapeutics. We also discuss the suitability of the LOX family as a diagnostic and/or prognostic marker in solid tumours.
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Bhanu U, Natarajan S, Manaktala N, Boaz K, Joshi R, Deepak S, Kp N, Lewis A. Recognition of lysyl oxidase as a potential predictive biomarker for oral squamous cell carcinoma: an immunohistochemical study. ACTA ACUST UNITED AC 2020; 69:360-369. [PMID: 32744444 DOI: 10.23736/s0026-4970.20.04356-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND Lysyl oxidase (LOX) is a copper amine oxidase which belongs to the LOX multigene family and is normally involved in cross-linking of stromal collagen fibers. LOX expression has been found to be associated with increased episodes of recurrence, metastasis and overall poor prognosis in renal cell carcinomas and melanomas. This study aimed to assess the effects of LOX on the prognosis of oral squamous cell carcinoma (OSCC), which is one of the most common cancers in India. METHODS The immunohistochemical expression of lysyl oxidase using LOX2 primary antibody was assessed at the tumor proper, invasive tumor front and peritumoral stroma in tissue sections from 40 cases of histologically proven OSCC. RESULTS LOX expression was elevated in OSCC patients who had lymph node metastasis and in those who died of disease. No significant variation was seen with histological grade. CONCLUSIONS LOX has a 'pro-neoplastic' effect as it modulates the host stroma to favor increasing tumor mass and worsening prognosis. Increased expression of LOX causes increased collagen fiber cross-linkage that stiffens the stromal matrix. This increases compressive stresses contributing to tissue hypoxia that elevates Rho GTPase-dependent cytoskeletal tension leading to erratic tumor cell morphogenesis that in turn confers motility to these cells resulting in metastasis. Inhibitors of LOX can potentially down-regulate LOX levels in the tumor micro-environment by controlling tissue hypoxia and curtailing the production of hypoxic LOX molecules.
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Affiliation(s)
- Udhay Bhanu
- Department of Oral Pathology and Microbiology, Manipal College of Dental Sciences, Mangalore, India
| | - Srikant Natarajan
- Department of Oral Pathology and Microbiology, Manipal College of Dental Sciences, Mangalore, India
| | - Nidhi Manaktala
- Department of Oral Pathology and Microbiology, Manipal College of Dental Sciences, Mangalore, India
| | - Karen Boaz
- Department of Oral Pathology and Microbiology, Manipal College of Dental Sciences, Mangalore, India -
| | - Rasika Joshi
- Department of Oral Pathology and Microbiology, Manipal College of Dental Sciences, Mangalore, India
| | - Sriranjani Deepak
- Department of Oral Pathology and Microbiology, Manipal College of Dental Sciences, Mangalore, India
| | - Nandita Kp
- Department of Oral Pathology and Microbiology, Manipal College of Dental Sciences, Mangalore, India
| | - Amitha Lewis
- Department of Oral Pathology and Microbiology, Manipal College of Dental Sciences, Mangalore, India
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He D, Zhao F, Jiang H, Kang Y, Song Y, Lin X, Shi P, Zhang T, Pang X. LOXL2 from human amniotic mesenchymal stem cells accelerates wound epithelialization by promoting differentiation and migration of keratinocytes. Aging (Albany NY) 2020; 12:12960-12986. [PMID: 32621591 PMCID: PMC7377892 DOI: 10.18632/aging.103384] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 05/01/2020] [Indexed: 12/11/2022]
Abstract
In this study, we identified wound healing-related proteins secreted by human amniotic epithelial cells (hAECs) and human amniotic mesenchymal stem cells (hAMSCs). We observed increased migration and reduced proliferation and differentiation when keratinocytes were co-cultured in media conditioned by hAECs (hAECs-CM) and hAMSCs (hAMSCs-CM). Label-free mass spectrometry and bioinformatic analyses of the hAECs-CM and hAMSCs-CM proteome revealed several proteins associated with wound healing, angiogenesis, cellular differentiation, immune response and cell motility. The levels of the proteins related to wound healing, including CTHRC1, LOXL2 and LGALS1, were significantly higher in hAMSCs-CM than hAECs-CM. LOXL2 significantly enhanced in vitro keratinocyte migration and differentiation compared to CTHRC1 and LGALS1. Moreover, LOXL2 enhanced keratinocyte migration and differentiation by activating the JNK signaling pathway. We observed significant reduction in the in vitro migration and differentiation of keratinocytes when co-cultured with medium conditioned by LOXL2-silenced hAMSCs and when treated with 10 μM SP600125, a specific JNK inhibitor. Treatment with hAMSCs-CM and LOXL2 significantly accelerated wound healing in the murine skin wound model. These findings show that LOXL2 promotes wound healing by inducing keratinocyte migration and differentiation via a JNK signaling pathway.
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Affiliation(s)
- Dan He
- Department of Stem Cells and Regenerative Medicine, Shenyang Key Laboratory of Stem Cell and Regenerative Medicine, China Medical University, Shenyang 110013, Liaoning, China
| | - Feng Zhao
- Department of Stem Cells and Regenerative Medicine, Shenyang Key Laboratory of Stem Cell and Regenerative Medicine, China Medical University, Shenyang 110013, Liaoning, China
| | - Han Jiang
- Department of Psychiatry, The First Hospital of China Medical University, Shenyang 110001, Liaoning, China
| | - Yue Kang
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang 110001, Liaoning, China
| | - Yang Song
- Department of Stem Cells and Regenerative Medicine, Shenyang Key Laboratory of Stem Cell and Regenerative Medicine, China Medical University, Shenyang 110013, Liaoning, China.,Department of Gynecology and Obstetrics, Shengjing Hospital of China Medical University, Shenyang 110001, Liaoning, China
| | - Xuewen Lin
- Department of Stem Cells and Regenerative Medicine, Shenyang Key Laboratory of Stem Cell and Regenerative Medicine, China Medical University, Shenyang 110013, Liaoning, China
| | - Ping Shi
- Shenyang Amnion Bioengineering and Technology R & D Center, Shenyang Liaoning Amnion Stem Cell and Regenerative Medicine Professional Technology Innovation Platform, Liaoning Human Amniotic Membrane Biological Dressing Stem Cell and Regenerative Medicine Engineering Research Center, Shenyang 110015, Liaoning, China
| | - Tao Zhang
- Department of Stem Cells and Regenerative Medicine, Shenyang Key Laboratory of Stem Cell and Regenerative Medicine, China Medical University, Shenyang 110013, Liaoning, China
| | - Xining Pang
- Department of Stem Cells and Regenerative Medicine, Shenyang Key Laboratory of Stem Cell and Regenerative Medicine, China Medical University, Shenyang 110013, Liaoning, China.,Shenyang Amnion Bioengineering and Technology R & D Center, Shenyang Liaoning Amnion Stem Cell and Regenerative Medicine Professional Technology Innovation Platform, Liaoning Human Amniotic Membrane Biological Dressing Stem Cell and Regenerative Medicine Engineering Research Center, Shenyang 110015, Liaoning, China
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Zhang D, Li X, Pi C, Cai L, Liu Y, Du W, Yang W, Xie J. Osteoporosis-decreased extracellular matrix stiffness impairs connexin 43-mediated gap junction intercellular communication in osteocytes. Acta Biochim Biophys Sin (Shanghai) 2020; 52:517-526. [PMID: 32286624 DOI: 10.1093/abbs/gmaa025] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 12/20/2019] [Accepted: 02/24/2020] [Indexed: 02/05/2023] Open
Abstract
Osteocytes are the main sensitive and responsive cells for mechanical stimuli in bone. The connexin family enables them to communicate with each other via forming functional gap junctions. However, how osteoporosis-impaired extracellular mechanical property modulates gap junction intercellular communication in osteocytes remains elusive. In this study, we established an ovariectomy (OVX)-induced osteoporosis mouse model in vivo and a polydimethylsiloxane (PDMS)-based cell culture substrate model in vitro to explore the influence of extracellular matrix (ECM) stiffness on cell-to-cell communication in osteocytes. Firstly, we established an OVX-induced osteoporosis mouse model by characterizing the changes in radiography, morphology and histochemistry of femurs. Our results showed that osteoporosis decreased the bone matrix stiffness together with the changes including the loss of osteocytes and the decrease of protein markers. Meanwhile, the dendritic process interconnection and channel-forming protein, Cx43, were reduced in osteoporosis mice. Next we mimicked ECM stiffness changes in vitro by using PDMS substrates at ratios 1:5 for normal stiffness and 1:45 for osteoporosis stiffness. Our results showed that the decreased ECM stiffness reduced the number of dendritic processes in a single cell and gap junctions between adjacent osteocytes. We further detected the decreased expression of Cx43, in the substrate with decreased stiffness. Finally, we found that gap junction-based intercellular communication was reduced in living osteocytes in the substrate with decreased stiffness. This study demonstrates the correlation between ECM mechanical property and cell-to-cell communication in osteocytes and might pave the way for further exploration of osteoporosis in terms of biomechanics.
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Affiliation(s)
- Demao Zhang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
| | - Xin Li
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
| | - Caixia Pi
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
| | - Linyi Cai
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
| | - Yang Liu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
| | - Wei Du
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
| | - Wenbin Yang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
- National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
| | - Jing Xie
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, China
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Chuva de Sousa Lopes SM, Alexdottir MS, Valdimarsdottir G. The TGFβ Family in Human Placental Development at the Fetal-Maternal Interface. Biomolecules 2020; 10:biom10030453. [PMID: 32183218 PMCID: PMC7175362 DOI: 10.3390/biom10030453] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 03/10/2020] [Accepted: 03/10/2020] [Indexed: 02/06/2023] Open
Abstract
Emerging data suggest that a trophoblast stem cell (TSC) population exists in the early human placenta. However, in vitro stem cell culture models are still in development and it remains under debate how well they reflect primary trophoblast (TB) cells. The absence of robust protocols to generate TSCs from humans has resulted in limited knowledge of the molecular mechanisms that regulate human placental development and TB lineage specification when compared to other human embryonic stem cells (hESCs). As placentation in mouse and human differ considerably, it is only with the development of human-based disease models using TSCs that we will be able to understand the various diseases caused by abnormal placentation in humans, such as preeclampsia. In this review, we summarize the knowledge on normal human placental development, the placental disease preeclampsia, and current stem cell model systems used to mimic TB differentiation. A special focus is given to the transforming growth factor-beta (TGFβ) family as it has been shown that the TGFβ family has an important role in human placental development and disease.
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Affiliation(s)
- Susana M. Chuva de Sousa Lopes
- Dept. Anatomy and Embryology, Leiden University Medical Center, 2300 Leiden, The Netherlands;
- Dept. Reproductive Medicine Anatomy and Embryology, Ghent University Hospital, 9000 Ghent, Belgium
| | - Marta S. Alexdottir
- Department of Anatomy, BioMedical Center, University of Iceland, Sturlugata 8, 101 Reykjavik, Iceland;
| | - Gudrun Valdimarsdottir
- Department of Anatomy, BioMedical Center, University of Iceland, Sturlugata 8, 101 Reykjavik, Iceland;
- Correspondence: ; Tel.: +354-5254797
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Eftekhari A, Maleki Dizaj S, Sharifi S, Salatin S, Rahbar Saadat Y, Zununi Vahed S, Samiei M, Ardalan M, Rameshrad M, Ahmadian E, Cucchiarini M. The Use of Nanomaterials in Tissue Engineering for Cartilage Regeneration; Current Approaches and Future Perspectives. Int J Mol Sci 2020; 21:E536. [PMID: 31947685 PMCID: PMC7014227 DOI: 10.3390/ijms21020536] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 01/06/2020] [Accepted: 01/08/2020] [Indexed: 01/16/2023] Open
Abstract
The repair and regeneration of articular cartilage represent important challenges for orthopedic investigators and surgeons worldwide due to its avascular, aneural structure, cellular arrangement, and dense extracellular structure. Although abundant efforts have been paid to provide tissue-engineered grafts, the use of therapeutically cell-based options for repairing cartilage remains unsolved in the clinic. Merging a clinical perspective with recent progress in nanotechnology can be helpful for developing efficient cartilage replacements. Nanomaterials, < 100 nm structural elements, can control different properties of materials by collecting them at nanometric sizes. The integration of nanomaterials holds promise in developing scaffolds that better simulate the extracellular matrix (ECM) environment of cartilage to enhance the interaction of scaffold with the cells and improve the functionality of the engineered-tissue construct. This technology not only can be used for the healing of focal defects but can also be used for extensive osteoarthritic degenerative alterations in the joint. In this review paper, we will emphasize the recent investigations of articular cartilage repair/regeneration via biomaterials. Also, the application of novel technologies and materials is discussed.
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Affiliation(s)
- Aziz Eftekhari
- Pharmacology and Toxicology Department, Maragheh University of Medical Sciences, 5515878151 Maragheh, Iran
| | - Solmaz Maleki Dizaj
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, 5166614756 Tabriz, Iran
| | - Simin Sharifi
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, 5166614756 Tabriz, Iran
| | - Sara Salatin
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tabriz University of Medical Science, 5166614756 Tabriz, Iran
| | - Yalda Rahbar Saadat
- Nutrition Research Center, Tabriz University of Medical Sciences, 5166614756 Tabriz, Iran
| | - Sepideh Zununi Vahed
- Kidney Research Center, Tabriz University of Medical Sciences, 5166614756 Tabriz, Iran
| | - Mohammad Samiei
- Faculty of Dentistry, Tabriz University of Medical Sciences, 5166614756 Tabriz, Iran
| | - Mohammadreza Ardalan
- Kidney Research Center, Tabriz University of Medical Sciences, 5166614756 Tabriz, Iran
| | - Maryam Rameshrad
- Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, 9414975516 Bojnurd, Iran
| | - Elham Ahmadian
- Kidney Research Center, Tabriz University of Medical Sciences, 5166614756 Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, 5166614756 Tabriz, Iran
| | - Magali Cucchiarini
- Center of Experimental Orthopaedics, Saarland University Medical Center, D-66421 Homburg/Saar, Germany
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