1
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Zhao Y, Gao R, Ma J, Cui Y, Li J, Lin H. Characteristics of tunneling nanotube-like structures formed by human dermal microvascular pericytes in vitro. Tissue Cell 2024; 89:102431. [PMID: 38870572 DOI: 10.1016/j.tice.2024.102431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 05/16/2024] [Accepted: 06/03/2024] [Indexed: 06/15/2024]
Abstract
Tunneling nanotubes (TNTs) represent an innovative way for cells to communicate with one another, as they act as long conduits between cells. However, their roles in human dermal microvascular pericytes (HDMPCs) interaction remain elusive in vitro. In this work, we identified and characterized the TNT-like structures that connected two or more pericytes in two-dimensional cultures and formed a functional network in the human dermis. Immunofluorescence assay indicated that the F-actin was an essential element to form inter-pericyte TNT-like structures, as it decreased in actin polymer inhibitor-cytochalasin B treated groups, and microtubules were present in almost half of the TNT-like structures. Most importantly, we only found the presence of mitochondrial in TNT-like structures containing α-tubulin, and the application of microtubule assembly inhibitor-Nocodazole significantly reduced the percentage of TNT-like structures that contain α-tubulin, resulting in a sudden decrease in the positive rate of cytochrome c oxidase subunit 4 isoform 1 (COX IV, a marker of mitochondria) in TNT-like structures. In summary, we described a novel intercellular communication-TNT-like structures-between HDMPCs in vitro, and this work allows us to properly understand the cellular mechanisms of spreading materials between HDMPCs, shedding light on the role of HDMPCs.
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Affiliation(s)
- Yinhua Zhao
- Plastic and Reconstructive Surgery, Beijing Anzhen Hospital, Capital Medical University, 2 Anzhen road, Chaoyang district, Beijing 100029, China
| | - Ridong Gao
- Plastic and Reconstructive Surgery, Beijing Anzhen Hospital, Capital Medical University, 2 Anzhen road, Chaoyang district, Beijing 100029, China
| | - Jiaxing Ma
- Plastic and Reconstructive Surgery, Beijing Anzhen Hospital, Capital Medical University, 2 Anzhen road, Chaoyang district, Beijing 100029, China
| | - Yue Cui
- Plastic and Reconstructive Surgery, Beijing Anzhen Hospital, Capital Medical University, 2 Anzhen road, Chaoyang district, Beijing 100029, China
| | - Jiaxi Li
- Plastic and Reconstructive Surgery, Beijing Anzhen Hospital, Capital Medical University, 2 Anzhen road, Chaoyang district, Beijing 100029, China
| | - Huang Lin
- Plastic and Reconstructive Surgery, Beijing Anzhen Hospital, Capital Medical University, 2 Anzhen road, Chaoyang district, Beijing 100029, China.
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2
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Farinelli L, Riccio M, Gigante A, De Francesco F. Pain Management Strategies in Osteoarthritis. Biomedicines 2024; 12:805. [PMID: 38672160 PMCID: PMC11048725 DOI: 10.3390/biomedicines12040805] [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: 02/10/2024] [Revised: 03/27/2024] [Accepted: 04/03/2024] [Indexed: 04/28/2024] Open
Abstract
Pain is the major symptom of osteoarthritis (OA) and is an important factor in strategies to manage this disease. However, the current standard of care does not provide satisfactory pain relief for many patients. The pathophysiology of OA is complex, and its presentation as a clinical syndrome is associated with the pathologies of multiple joint tissues. Treatment options are generally classified as pharmacologic, nonpharmacologic, surgical, and complementary and/or alternative, typically used in combination to achieve optimal results. The goals of treatment are the alleviation of symptoms and improvement in functional status. Several studies are exploring various directions for OA pain management, including tissue regeneration techniques, personalized medicine, and targeted drug therapies. The aim of the present narrative review is to extensively describe all the treatments available in the current practice, further describing the most important innovative therapies. Advancements in understanding the molecular and genetic aspects of osteoarthritis may lead to more effective and tailored treatment approaches in the future.
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Affiliation(s)
- Luca Farinelli
- Clinical Orthopaedics, Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, 60121 Ancona, Italy; (L.F.); (A.G.)
| | - Michele Riccio
- Department of Reconstructive Surgery and Hand Surgery, Azienda Ospedaliera Universitaria delle Marche, 60126 Ancona, Italy;
| | - Antonio Gigante
- Clinical Orthopaedics, Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, 60121 Ancona, Italy; (L.F.); (A.G.)
| | - Francesco De Francesco
- Department of Reconstructive Surgery and Hand Surgery, Azienda Ospedaliera Universitaria delle Marche, 60126 Ancona, Italy;
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3
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Zhang C, Shi J, Dai Y, Li X, Leng J. Progress of the study of pericytes and their potential research value in adenomyosis. Sci Prog 2024; 107:368504241257126. [PMID: 38863331 PMCID: PMC11179483 DOI: 10.1177/00368504241257126] [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] [Indexed: 06/13/2024]
Abstract
Pericytes (PCs) are versatile cells integral to the microcirculation wall, exhibiting specific stem cell traits. They are essential in modulating blood flow, ensuring vascular permeability, maintaining homeostasis, and aiding tissue repair process. Given their involvement in numerous disease-related pathological and physiological processes, the regulation of PCs has emerged as a focal point of research. Adenomyosis is characterized by the presence of active endometrial glands and stroma encased by an enlarged and proliferative myometrial layer, further accompanied by fibrosis and new blood vessel formation. This distinct pathological condition might be intricately linked with PCs. This article comprehensively reviews the markers associated with PCs, their contributions to angiogenesis, blood flow modulation, and fibrotic processes. Moreover, it provides a comprehensive overview of the current research on adenomyosis pathophysiology, emphasizing the potential correlation and future implications regarding PCs and the development of adenomyosis.
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Affiliation(s)
- Chenyu Zhang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- National Clinical Research Center for Obstetric & Gynecologic Diseases, Beijing, China
| | - Jinghua Shi
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- National Clinical Research Center for Obstetric & Gynecologic Diseases, Beijing, China
| | - Yi Dai
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- National Clinical Research Center for Obstetric & Gynecologic Diseases, Beijing, China
| | - Xiaoyan Li
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- National Clinical Research Center for Obstetric & Gynecologic Diseases, Beijing, China
| | - Jinhua Leng
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- National Clinical Research Center for Obstetric & Gynecologic Diseases, Beijing, China
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4
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Chai YC, To SK, Simorgh S, Zaunz S, Zhu Y, Ahuja K, Lemaitre A, Ramezankhani R, van der Veer BK, Wierda K, Verhulst S, van Grunsven LA, Pasque V, Verfaillie C. Spatially Self-Organized Three-Dimensional Neural Concentroid as a Novel Reductionist Humanized Model to Study Neurovascular Development. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2304421. [PMID: 38037510 PMCID: PMC10837345 DOI: 10.1002/advs.202304421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 10/15/2023] [Indexed: 12/02/2023]
Abstract
Although human pluripotent stem cell (PSC)-derived brain organoids have enabled researchers to gain insight into human brain development and disease, these organoids contain solely ectodermal cells and are not vascularized as occurs during brain development. Here it is created less complex and more homogenous large neural constructs starting from PSC-derived neuroprogenitor cells (NPC), by fusing small NPC spheroids into so-called concentroids. Such concentroids consisted of a pro-angiogenic core, containing neuronal and outer radial glia cells, surrounded by an astroglia-dense outer layer. Incorporating PSC-derived endothelial cells (EC) around and/or in the concentroids promoted vascularization, accompanied by differential outgrowth and differentiation of neuronal and astroglia cells, as well as the development of ectodermal-derived pericyte-like mural cells co-localizing with EC networks. Single nucleus transcriptomic analysis revealed an enhanced neural cell subtype maturation and diversity in EC-containing concentroids, which better resemble the fetal human brain compared to classical organoids or NPC-only concentroids. This PSC-derived "vascularized" concentroid brain model will facilitate the study of neurovascular/blood-brain barrier development, neural cell migration, and the development of effective in vitro vascularization strategies of brain mimics.
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Affiliation(s)
- Yoke Chin Chai
- Stem Cell Institute LeuvenDepartment of Development and RegenerationKU Leuven, O&N4, Herestraat 49Leuven3000Belgium
| | - San Kit To
- Stem Cell Institute LeuvenDepartment of Development and RegenerationLeuven Institute for Single Cell Omics (LISCO)KU Leuven, O&N4, Herestraat 49Leuven3000Belgium
| | - Susan Simorgh
- Stem Cell Institute LeuvenDepartment of Development and RegenerationKU Leuven, O&N4, Herestraat 49Leuven3000Belgium
| | - Samantha Zaunz
- Stem Cell Institute LeuvenDepartment of Development and RegenerationKU Leuven, O&N4, Herestraat 49Leuven3000Belgium
| | - YingLi Zhu
- Stem Cell Institute LeuvenDepartment of Development and RegenerationKU Leuven, O&N4, Herestraat 49Leuven3000Belgium
| | - Karan Ahuja
- Stem Cell Institute LeuvenDepartment of Development and RegenerationKU Leuven, O&N4, Herestraat 49Leuven3000Belgium
| | - Alix Lemaitre
- Stem Cell Institute LeuvenDepartment of Development and RegenerationKU Leuven, O&N4, Herestraat 49Leuven3000Belgium
| | - Roya Ramezankhani
- Stem Cell Institute LeuvenDepartment of Development and RegenerationKU Leuven, O&N4, Herestraat 49Leuven3000Belgium
| | - Bernard K. van der Veer
- Laboratory for Stem Cell and Developmental EpigeneticsDepartment of Development and RegenerationKU Leuven, O&N4, Herestraat 49Leuven3000Belgium
| | - Keimpe Wierda
- Electrophysiology Expert UnitVIB‐KU Leuven Center for Brain & Disease ResearchLeuven3000Belgium
| | - Stefaan Verhulst
- Liver Cell Biology Research GroupVrije Universiteit Brussel (VUB)Brussels1090Belgium
| | - Leo A. van Grunsven
- Liver Cell Biology Research GroupVrije Universiteit Brussel (VUB)Brussels1090Belgium
| | - Vincent Pasque
- Stem Cell Institute LeuvenDepartment of Development and RegenerationLeuven Institute for Single Cell Omics (LISCO)KU Leuven, O&N4, Herestraat 49Leuven3000Belgium
| | - Catherine Verfaillie
- Stem Cell Institute LeuvenDepartment of Development and RegenerationKU Leuven, O&N4, Herestraat 49Leuven3000Belgium
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5
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Issabekova A, Kudaibergen G, Sekenova A, Dairov A, Sarsenova M, Mukhlis S, Temirzhan A, Baidarbekov M, Eskendirova S, Ogay V. The Therapeutic Potential of Pericytes in Bone Tissue Regeneration. Biomedicines 2023; 12:21. [PMID: 38275382 PMCID: PMC10813325 DOI: 10.3390/biomedicines12010021] [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: 10/31/2023] [Revised: 12/09/2023] [Accepted: 12/13/2023] [Indexed: 01/27/2024] Open
Abstract
Pericytes, as perivascular cells, are present in all vascularized organs and tissues, and they actively interact with endothelial cells in capillaries and microvessels. Their involvement includes functions like blood pressure regulation, tissue regeneration, and scarring. Studies have confirmed that pericytes play a crucial role in bone tissue regeneration through direct osteodifferentiation processes, paracrine actions, and vascularization. Recent preclinical and clinical experiments have shown that combining perivascular cells with osteogenic factors and tissue-engineered scaffolds can be therapeutically effective in restoring bone defects. This approach holds promise for addressing bone-related medical conditions. In this review, we have emphasized the characteristics of pericytes and their involvement in angiogenesis and osteogenesis. Furthermore, we have explored recent advancements in the use of pericytes in preclinical and clinical investigations, indicating their potential as a therapeutic resource in clinical applications.
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Affiliation(s)
- Assel Issabekova
- Stem Cell Laboratory, National Center for Biotechnology, Astana 010000, Kazakhstan; (A.I.); (G.K.); (A.S.); (A.D.); (M.S.); (S.M.); (S.E.)
| | - Gulshakhar Kudaibergen
- Stem Cell Laboratory, National Center for Biotechnology, Astana 010000, Kazakhstan; (A.I.); (G.K.); (A.S.); (A.D.); (M.S.); (S.M.); (S.E.)
| | - Aliya Sekenova
- Stem Cell Laboratory, National Center for Biotechnology, Astana 010000, Kazakhstan; (A.I.); (G.K.); (A.S.); (A.D.); (M.S.); (S.M.); (S.E.)
| | - Aidar Dairov
- Stem Cell Laboratory, National Center for Biotechnology, Astana 010000, Kazakhstan; (A.I.); (G.K.); (A.S.); (A.D.); (M.S.); (S.M.); (S.E.)
| | - Madina Sarsenova
- Stem Cell Laboratory, National Center for Biotechnology, Astana 010000, Kazakhstan; (A.I.); (G.K.); (A.S.); (A.D.); (M.S.); (S.M.); (S.E.)
| | - Sholpan Mukhlis
- Stem Cell Laboratory, National Center for Biotechnology, Astana 010000, Kazakhstan; (A.I.); (G.K.); (A.S.); (A.D.); (M.S.); (S.M.); (S.E.)
| | - Abay Temirzhan
- National Scientific Center of Traumatology and Orthopedics Named after Academician N.D. Batpenov, Astana 010000, Kazakhstan; (A.T.); (M.B.)
| | - Murat Baidarbekov
- National Scientific Center of Traumatology and Orthopedics Named after Academician N.D. Batpenov, Astana 010000, Kazakhstan; (A.T.); (M.B.)
| | - Saule Eskendirova
- Stem Cell Laboratory, National Center for Biotechnology, Astana 010000, Kazakhstan; (A.I.); (G.K.); (A.S.); (A.D.); (M.S.); (S.M.); (S.E.)
| | - Vyacheslav Ogay
- Stem Cell Laboratory, National Center for Biotechnology, Astana 010000, Kazakhstan; (A.I.); (G.K.); (A.S.); (A.D.); (M.S.); (S.M.); (S.E.)
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6
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CANDENİZ Ş, ÇITAKER S, MARAŞ G, YAVUZER HE, YILDIRIM H, GÜNENDİ Z. Comparison of the effectiveness of instrument-assisted soft tissue mobilization and extracorporeal shock wave therapy in myofascial pain syndrome. Turk J Med Sci 2023; 53:1825-1839. [PMID: 38813497 PMCID: PMC10760573 DOI: 10.55730/1300-0144.5753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 06/09/2023] [Accepted: 10/16/2023] [Indexed: 05/31/2024] Open
Abstract
Background/aim To compare the effectiveness of instrument-assisted soft tissue mobilization (IASTM) and extracorporeal shock wave therapy (ESWT) used in myofascial pain syndrome (MPS) and to determine whether they are superior to conservative treatment (CT). Materials and methods A total of 42 female patients (aged 18-60 years) diagnosed with MPS were enrolled and randomly assigned to either the CT (n = 14), CT+IASTM (n = 14), or CT+ESWT group (n = 14). All of the groups received treatment for 3 weeks (CT: 5 sessions per week, 15 sessions in total, ESWT and IASTM: 2 sessions per week, 6 sessions in total). Neck stretching exercises were given to all of the patients as a home program. The pain intensity of the patients was determined using the visual analog scale (VAS). The pressure pain threshold (PPT) was measured with an algometer. Cervical joint range of motion (ROM) was measured with a cervical ROM (CROM) device. Pain, cervical disability, quality of life, and sleep disturbances were evaluated with the Neck Outcome Score (NOOS). Depression and anxiety parameters were evaluated with the Hospital Anxiety and Depression Scale (HADS). Evaluations were made before treatment and 3 days after the last treatment session. Results The CT+IASTM group was more successful than the other groups in terms of pain intensity, PPT, and improvements in the ROM parameters (p < 0.05). No significant difference was found between the NOOS and HADS scores of the groups when the posttreatment changes were compared to pretreatment (p > 0.05). Conclusions All 3 of these treatments can be used to alleviate the negative effects of MPS. IASTM treatment can be preferred primarily in the creation of combined treatment programs for patients with ROM limitations and low PPTs.
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Affiliation(s)
- Şeyda CANDENİZ
- Department of Therapy and Rehabilitation, Kızılcahamam Vocational School of Health Services Ankara University, Ankara,
Turkiye
| | - Seyit ÇITAKER
- Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Gazi University, Ankara,
Turkiye
| | - Gökhan MARAŞ
- Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Gazi University, Ankara,
Turkiye
| | - Hatice Esra YAVUZER
- Department of Physical Medicine and Rehabilitation, Kızılcahamam Public Hospital, Ankara,
Turkiye
| | - Hasan YILDIRIM
- Faculty of Kamil Özdağ Science, Department of Mathematics, Karamanoğlu Mehmetbey University, Karaman,
Turkiye
| | - Zafer GÜNENDİ
- Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Gazi University, Ankara,
Turkiye
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7
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Zhao Y, Ma J, Cui Y, Lin H. A method to isolate human dermal microvascular pericytes without the use of magnetic beads sorting in vitro. Tissue Cell 2023; 84:102171. [PMID: 37480631 DOI: 10.1016/j.tice.2023.102171] [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: 04/17/2023] [Revised: 07/08/2023] [Accepted: 07/18/2023] [Indexed: 07/24/2023]
Abstract
Human dermal microvascular pericytes (HDMPCs) are a critical component of the skin flap microvasculature and play a role in regulating flap blood flow and integrity. Pericytes were isolated mostly via magnetic bead sorting in the published literature. In this study, we discuss in detail how to separate and concentrate pericytes from human facial flaps using enzyme digestion and differential adherence instead of magnetic bead sorting. Cultured HDMPCs were seen to have well-spread irregular edges, with most cells having two longitudinal pericytic processes. The phalloidin staining revealed that HDMPCs had prominent stress fibers, and the nucleus deviated to the side that interacted with the neighboring pericytic processes. Flow cytometry analysis showed that the positive rates of NG2 in the first and second passages were 91.2% ± 0.7% and 98.2% ± 0.1% separately. And the immunofluorescence and western blot results demonstrated a positive expression of α smooth muscle actin (αSMA), platelet-derived growth factor receptor β (PDGFRβ), and NG-2, while the endothelial cell marker CD31 was negatively expressed. In summary, we established a straightforward methodology for selectively isolating and identifying HDMPCs as well as generating high-purity cell cultures in vitro without the use of magnetic bead sorting.
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Affiliation(s)
- Yinhua Zhao
- Plastic and Reconstructive Surgery, Beijing Anzhen Hospital, Capital Medical University, 2 Anzhen road, Chaoyang district, Beijing 100029, China
| | - Jiaxing Ma
- Plastic and Reconstructive Surgery, Beijing Anzhen Hospital, Capital Medical University, 2 Anzhen road, Chaoyang district, Beijing 100029, China
| | - Yue Cui
- Plastic and Reconstructive Surgery, Beijing Anzhen Hospital, Capital Medical University, 2 Anzhen road, Chaoyang district, Beijing 100029, China
| | - Huang Lin
- Plastic and Reconstructive Surgery, Beijing Anzhen Hospital, Capital Medical University, 2 Anzhen road, Chaoyang district, Beijing 100029, China.
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8
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Vail ME, Farnsworth RH, Hii L, Allen S, Arora S, Anderson RL, Dickins RA, Orimo A, Wu SZ, Swarbrick A, Scott AM, Janes PW. Inhibition of EphA3 Expression in Tumour Stromal Cells Suppresses Tumour Growth and Progression. Cancers (Basel) 2023; 15:4646. [PMID: 37760615 PMCID: PMC10527215 DOI: 10.3390/cancers15184646] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/11/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
Tumour progression relies on interactions with untransformed cells in the tumour microenvironment (TME), including cancer-associated fibroblasts (CAFs), which promote blood supply, tumour progression, and immune evasion. Eph receptor tyrosine kinases are cell guidance receptors that are most active during development but re-emerge in cancer and are recognised drug targets. EphA3 is overexpressed in a wide range of tumour types, and we previously found expression particularly in stromal and vascular tissues of the TME. To investigate its role in the TME, we generated transgenic mice with inducible shRNA-mediated knockdown of EphA3 expression. EphA3 knockdown was confirmed in aortic mesenchymal stem cells (MSCs), which displayed reduced angiogenic capacity. In mice with syngeneic lung tumours, EphA3 knockdown reduced vasculature and CAF/MSC-like cells in tumours, and inhibited tumour growth, which was confirmed also in a melanoma model. Single cell RNA sequencing analysis of multiple human tumour types confirmed EphA3 expression in CAFs, including in breast cancer, where EphA3 was particularly prominent in perivascular- and myofibroblast-like CAFs. Our results thus indicate expression of the cell guidance receptor EphA3 in distinct CAF subpopulations is important in supporting tumour angiogenesis and tumour growth, highlighting its potential as a therapeutic target.
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Affiliation(s)
- Mary E. Vail
- Olivia Newton-John Cancer Research Institute and School of Cancer Medicine, La Trobe University, Heidelberg, VIC 3084, Australia
| | - Rae H. Farnsworth
- Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
| | - Linda Hii
- Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
| | - Stacey Allen
- Olivia Newton-John Cancer Research Institute and School of Cancer Medicine, La Trobe University, Heidelberg, VIC 3084, Australia
| | - Sakshi Arora
- Olivia Newton-John Cancer Research Institute and School of Cancer Medicine, La Trobe University, Heidelberg, VIC 3084, Australia
| | - Robin L. Anderson
- Olivia Newton-John Cancer Research Institute and School of Cancer Medicine, La Trobe University, Heidelberg, VIC 3084, Australia
| | - Ross A. Dickins
- Australian Centre for Blood Diseases, Monash University, Melbourne, VIC 3004, Australia
| | - Akira Orimo
- Department of Pathology and Oncology, School of Medicine, Juntendo University, Tokyo 113-8421, Japan
| | - Sunny Z. Wu
- Garvan Institute of Medical Research and School of Clinical Medicine, University of NSW, Darlinghurst, NSW 2010, Australia
| | - Alexander Swarbrick
- Garvan Institute of Medical Research and School of Clinical Medicine, University of NSW, Darlinghurst, NSW 2010, Australia
| | - Andrew M. Scott
- Olivia Newton-John Cancer Research Institute and School of Cancer Medicine, La Trobe University, Heidelberg, VIC 3084, Australia
- Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
| | - Peter W. Janes
- Olivia Newton-John Cancer Research Institute and School of Cancer Medicine, La Trobe University, Heidelberg, VIC 3084, Australia
- Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
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9
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Mills SJ, Kirby GT, Hofma BR, Smith LE, Statham P, Vaes B, Ting AE, Short R, Cowin AJ. Delivery of multipotent adult progenitor cells via a functionalized plasma polymerized surface accelerates healing of murine diabetic wounds. Front Bioeng Biotechnol 2023; 11:1213021. [PMID: 37675407 PMCID: PMC10477914 DOI: 10.3389/fbioe.2023.1213021] [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: 04/27/2023] [Accepted: 08/09/2023] [Indexed: 09/08/2023] Open
Abstract
Introduction: Stem cell therapies have been investigated as potential treatment modalities for chronic wounds however there has been limited success to date. Multipotent Adult Progenitor Cells (MAPCs©) have been identified as having potential as an allogenic stem cell product due to their high population doubling number and their characteristic dampening of T-cell proliferation. This helps to prevent autoimmunity and graft/cell rejection. Methods: We have developed a dressing, consisting of medical grade silicone coated with a heptylamine plasma polymer, which supports the growth and transfer of MAPCs to skin. To determine if the dressing can deliver functional stem cells into diabetic wounds, they were loaded with MAPCs and then placed over excisional wounds in both normal and diabetic mice. Results and discussion: Accelerated healing was observed in both the normal and diabetic wounds with wound gape being significantly smaller at day 3 when compared to controls. Wound analysis showed that treatment with the MAPC dressings dampened the inflammatory response with reduced numbers of neutrophils and macrophages observed. Additionally, an increase in pro-angiogenic VEGF and CD31 positive endothelial cells was observed indicating improved new blood vessel formation. The MAPC dressings had no effect on fibrosis with collagen I and III being equally affected in both control and treated wounds. Overall, the functionalized MAPC dressings improve healing responses particularly in diabetic mice with impaired healing responses and therefore, show potential for development as an advanced therapeutic approach for the treatment of chronic diabetic wounds.
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Affiliation(s)
- S. J. Mills
- Future Industries Institute, University of South Australia, Mawson Lakes, SA, Australia
- Cooperative Research Centre for Cell Therapy Manufacturing, Adelaide, SA, Australia
| | - G. T. Kirby
- Future Industries Institute, University of South Australia, Mawson Lakes, SA, Australia
- Cooperative Research Centre for Cell Therapy Manufacturing, Adelaide, SA, Australia
| | - B. R. Hofma
- Future Industries Institute, University of South Australia, Mawson Lakes, SA, Australia
- Cooperative Research Centre for Cell Therapy Manufacturing, Adelaide, SA, Australia
| | - L. E. Smith
- Future Industries Institute, University of South Australia, Mawson Lakes, SA, Australia
- Cooperative Research Centre for Cell Therapy Manufacturing, Adelaide, SA, Australia
| | - P. Statham
- Future Industries Institute, University of South Australia, Mawson Lakes, SA, Australia
- Cooperative Research Centre for Cell Therapy Manufacturing, Adelaide, SA, Australia
| | - B. Vaes
- ReGenesys BV, Bio-Incubator Leuven, Leuven, Belgium
| | - A. E. Ting
- Athersys Inc., Cleveland, OH, United States
| | - R. Short
- Material Science Institute, Lancaster University, Lancaster, United Kingdom
| | - A. J. Cowin
- Future Industries Institute, University of South Australia, Mawson Lakes, SA, Australia
- Cooperative Research Centre for Cell Therapy Manufacturing, Adelaide, SA, Australia
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10
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Wu Y, Fu J, Huang Y, Duan R, Zhang W, Wang C, Wang S, Hu X, Zhao H, Wang L, Liu J, Gao G, Yuan P. Biology and function of pericytes in the vascular microcirculation. Animal Model Exp Med 2023; 6:337-345. [PMID: 37317664 PMCID: PMC10486323 DOI: 10.1002/ame2.12334] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 05/16/2023] [Indexed: 06/16/2023] Open
Abstract
Pericytes are the main cellular components of tiny arteries and capillaries. Studies have found that pericytes can undergo morphological contraction or relaxation under stimulation by cytokines, thus affecting the contraction and relaxation of microvessels and playing an essential role in regulating vascular microcirculation. Moreover, due to the characteristics of stem cells, pericytes can differentiate into a variety of inflammatory cell phenotypes, which then affect the immune function. Additionally, pericytes can also participate in angiogenesis and wound healing by interacting with endothelial cells in vascular microcirculation disorders. Here we review the origin, biological phenotype and function of pericytes, and discuss the potential mechanisms of pericytes in vascular microcirculation disorders, especially in pulmonary hypertension, so as to provide a sound basis and direction for the prevention and treatment of vascular microcirculation diseases.
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Affiliation(s)
- Yue Wu
- Ningbo University School of MedicineNingboChina
- Department of Clinical Laboratory, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Jiaqi Fu
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
- Institute of Health Science and EngineeringUniversity of Shanghai Science and TechnologyShanghaiChina
| | - Yuxia Huang
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Ruowang Duan
- Department of Anesthesiology, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Wentian Zhang
- Department of Thoracic Surgery, Shanghai Pulmonary HospitalTongji University School of MedicineShanghaiChina
| | - Caihong Wang
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
- Institute of Bismuth ScienceUniversity of Shanghai for Science and TechnologyShanghaiChina
| | - Shang Wang
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Xiaoyi Hu
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Hui Zhao
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
- Institute of Bismuth ScienceUniversity of Shanghai for Science and TechnologyShanghaiChina
| | - Lan Wang
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Jinming Liu
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
| | - Guosheng Gao
- Ningbo Huamei HospitalUniversity of Chinese Academy of SciencesNingboChina
| | - Ping Yuan
- Department of Cardio‐Pulmonary Circulation, Shanghai Pulmonary Hospital, School of MedicineTongji UniversityShanghaiChina
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11
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Pederzoli F, Raffo M, Pakula H, Ravera F, Nuzzo PV, Loda M. "Stromal cells in prostate cancer pathobiology: friends or foes?". Br J Cancer 2023; 128:930-939. [PMID: 36482187 PMCID: PMC10006214 DOI: 10.1038/s41416-022-02085-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/16/2022] [Accepted: 11/18/2022] [Indexed: 12/13/2022] Open
Abstract
The genomic, epigenetic and metabolic determinants of prostate cancer pathobiology have been extensively studied in epithelial cancer cells. However, malignant cells constantly interact with the surrounding environment-the so-called tumour microenvironment (TME)-which may influence tumour cells to proliferate and invade or to starve and die. In that regard, stromal cells-including fibroblasts, smooth muscle cells and vasculature-associated cells-constitute an essential fraction of the prostate cancer TME. However, they have been largely overlooked compared to other cell types (i.e. immune cells). Indeed, their importance in prostate physiology starts at organogenesis, as the soon-to-be prostate stroma determines embryonal epithelial cells to commit toward prostatic differentiation. Later in life, the appearance of a reactive stroma is linked to the malignant transformation of epithelial cells and cancer progression. In this Review, we discuss the main mesenchymal cell populations of the prostate stroma, highlighting their dynamic role in the transition of the healthy prostate epithelium to cancer. A thorough understanding of those populations, their phenotypes and their transcriptional programs may improve our understanding of prostate cancer pathobiology and may help to exploit prostate stroma as a biomarker of patient stratification and as a therapeutic target.
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Affiliation(s)
- Filippo Pederzoli
- Department of Pathology and Laboratory Medicine, New York Presbyterian Hospital, Weill Cornell Medicine, New York, NY, USA.
| | - Massimiliano Raffo
- Department of Pathology and Laboratory Medicine, New York Presbyterian Hospital, Weill Cornell Medicine, New York, NY, USA
- Vita-Salute San Raffaele University, Milan, Italy
| | - Hubert Pakula
- Department of Pathology and Laboratory Medicine, New York Presbyterian Hospital, Weill Cornell Medicine, New York, NY, USA
| | - Francesco Ravera
- Department of Pathology and Laboratory Medicine, New York Presbyterian Hospital, Weill Cornell Medicine, New York, NY, USA
- Department of Internal Medicine, Università Degli Studi di Genova, Genova, Italy
| | - Pier Vitale Nuzzo
- Department of Pathology and Laboratory Medicine, New York Presbyterian Hospital, Weill Cornell Medicine, New York, NY, USA
| | - Massimo Loda
- Department of Pathology and Laboratory Medicine, New York Presbyterian Hospital, Weill Cornell Medicine, New York, NY, USA
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
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12
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Bi R, Yin Q, Li H, Yang X, Wang Y, Li Q, Fang H, Li P, Lyu P, Fan Y, Ying B, Zhu S. A single-cell transcriptional atlas reveals resident progenitor cell niche functions in TMJ disc development and injury. Nat Commun 2023; 14:830. [PMID: 36788226 PMCID: PMC9929076 DOI: 10.1038/s41467-023-36406-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 01/31/2023] [Indexed: 02/16/2023] Open
Abstract
The biological characteristics of the temporomandibular joint disc involve complex cellular network in cell identity and extracellular matrix composition to modulate jaw function. The lack of a detailed characterization of the network severely limits the development of targeted therapies for temporomandibular joint-related diseases. Here we profiled single-cell transcriptomes of disc cells from mice at different postnatal stages, finding that the fibroblast population could be divided into chondrogenic and non-chondrogenic clusters. We also find that the resident mural cell population is the source of disc progenitors, characterized by ubiquitously active expression of the NOTCH3 and THY1 pathways. Lineage tracing reveals that Myh11+ mural cells coordinate angiogenesis during disc injury but lost their progenitor characteristics and ultimately become Sfrp2+ non-chondrogenic fibroblasts instead of Chad+ chondrogenic fibroblasts. Overall, we reveal multiple insights into the coordinated development of disc cells and are the first to describe the resident mural cell progenitor during disc injury.
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Affiliation(s)
- Ruiye Bi
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthognathic and TMJ Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Qing Yin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthognathic and TMJ Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.,Max-Planck Institute for Heart and Lung Research, W. G. Kerckhoff Institute, Bad Nauheim, D-61231, Germany
| | - Haohan Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthognathic and TMJ Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Xianni Yang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthognathic and TMJ Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Yiru Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthognathic and TMJ Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Qianli Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthognathic and TMJ Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Han Fang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthognathic and TMJ Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Peiran Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthognathic and TMJ Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Ping Lyu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Operative Dentistry and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Yi Fan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Operative Dentistry and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Binbin Ying
- Department of Stomatology, Ningbo First Hospital, 59 Liuting street, Ningbo, 315000, China
| | - Songsong Zhu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthognathic and TMJ Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
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13
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Wang H, Li M, Fei L, Xie C, Ding L, Zhu C, Zeng F, Liu N. Bone Marrow-Derived Mesenchymal Stem Cells Transplantation Attenuates Renal Fibrosis Following Acute Kidney Injury in Rats by Diminishing Pericyte-Myofibroblast Transition and Extracellular Matrix Augment. Transplant Proc 2023; 55:225-234. [PMID: 36604251 DOI: 10.1016/j.transproceed.2022.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 11/30/2022] [Accepted: 12/07/2022] [Indexed: 01/04/2023]
Abstract
BACKGROUND Renal fibrosis is a common chronic outcome of acute kidney injury (AKI). Pericyte-myofibroblasts transition and production of abundant extracellular matrix are the important pathologic basis. This study investigated the effect of bone marrow-derived mesenchymal stem cells (BMSCs) transplantation on the AKI kidney fibrosis and the possible mechanisms. METHODS By constructing the animal and cell model of AKI pericyte injury, the therapeutic effect of BMSCs on pericyte-myofibroblasts transition was detected. The production and accumulation of extracellular matrix, including collagen I, collagen III, and fibronectin were also tested. The mechanism was revealed by means of analysis of signal pathway. RESULTS After AKI insult, many myofibroblasts emerged in the renal interstitium together with a large amount of extracellular matrix components. The BMSCs transplantation significantly decreased the number of myofibroblasts trans-differentiated from pericytes in the AKI model. The changes of vascular endothelial growth factor subtypes and Ang-I/AngII secreted by pericytes were also significantly reduced after BMSCs co-culture. At the same time, extracellular matrix components, including collagen I, collagen III, and fibronectin, decreased significantly. Transplantation treatment alleviated the fibrosis score. The transforming growth factor β (TGF-β) concentration decreased as well as the levels of Smad2/3 and p-Smad2/3 with the presence of BMSCs therapy. CONCLUSIONS Bone marrow-derived mesenchymal stem cells transplantation diminished pericyte-myofibroblast transition and extracellular matrix augment after AKI by regulating the TGF-β/Smad2/3 signaling pathway. It may be used as a novel therapeutic method for retarding renal fibrosis, which is worthy of further study.
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Affiliation(s)
- Hao Wang
- Department of Nephrology, Naval Medical Center of PLA, Naval Medical University, Shanghai, China
| | - Maoting Li
- Department of Nephrology, Naval Medical Center of PLA, Naval Medical University, Shanghai, China
| | - Liyan Fei
- Department of Nephrology, Naval Medical Center of PLA, Naval Medical University, Shanghai, China
| | - Chuang Xie
- Department of Nephrology, Naval Medical Center of PLA, Naval Medical University, Shanghai, China
| | - Lingling Ding
- Department of Nephrology, Naval Medical Center of PLA, Naval Medical University, Shanghai, China
| | - Changhao Zhu
- Department of Nephrology, Naval Medical Center of PLA, Naval Medical University, Shanghai, China
| | - Fanzhou Zeng
- Department of Nephrology, Naval Medical Center of PLA, Naval Medical University, Shanghai, China
| | - Nanmei Liu
- Department of Nephrology, Naval Medical Center of PLA, Naval Medical University, Shanghai, China.
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14
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Asante I, Louie S, Yassine HN. Uncovering mechanisms of brain inflammation in Alzheimer's disease with APOE4: Application of single cell-type lipidomics. Ann N Y Acad Sci 2022; 1518:84-105. [PMID: 36200578 PMCID: PMC10092192 DOI: 10.1111/nyas.14907] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A chronic state of unresolved inflammation in Alzheimer's disease (AD) is intrinsically involved with the remodeling of brain lipids. This review highlights the effect of carrying the apolipoprotein E ε4 allele (APOE4) on various brain cell types in promoting an unresolved inflammatory state. Among its pleotropic effects on brain lipids, we focus on APOE4's activation of Ca2+ -dependent phospholipase A2 (cPLA2) and its effects on arachidonic acid, eicosapentaenoic acid, and docosahexaenoic acid signaling cascades in the brain. During the process of neurodegeneration, various brain cell types, such as astrocytes, microglia, and neurons, together with the neurovascular unit, develop distinct inflammatory phenotypes that impact their functions and have characteristic lipidomic fingerprints. We propose that lipidomic phenotyping of single cell-types harvested from brains differing by age, sex, disease severity stage, and dietary and genetic backgrounds can be employed to probe mechanisms of neurodegeneration. A better understanding of the brain cellular inflammatory/lipidomic response promises to guide the development of nutritional and drug interventions for AD dementia.
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Affiliation(s)
- Isaac Asante
- Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Stan Louie
- School of Pharmacy, University of Southern California, Los Angeles, California, USA
| | - Hussein N Yassine
- Keck School of Medicine, University of Southern California, Los Angeles, California, USA
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15
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Yao F, Luo Y, Liu YC, Chen YH, Li YT, Hu XY, You XY, Yu SS, Li ZY, Chen L, Tian DS, Zheng MG, Cheng L, Jing JH. Imatinib inhibits pericyte-fibroblast transition and inflammation and promotes axon regeneration by blocking the PDGF-BB/PDGFRβ pathway in spinal cord injury. Inflamm Regen 2022; 42:44. [PMID: 36163271 PMCID: PMC9511779 DOI: 10.1186/s41232-022-00223-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Accepted: 07/29/2022] [Indexed: 12/03/2022] Open
Abstract
Background Fibrotic scar formation and inflammation are characteristic pathologies of spinal cord injury (SCI) in the injured core, which has been widely regarded as the main barrier to axonal regeneration resulting in permanent functional recovery failure. Pericytes were shown to be the main source of fibroblasts that form fibrotic scar. However, the mechanism of pericyte-fibroblast transition after SCI remains elusive. Methods Fibrotic scarring and microvessels were assessed using immunofluorescence staining after establishing a crush SCI model. To study the process of pericyte-fibroblast transition, we analyzed pericyte marker and fibroblast marker expression using immunofluorescence. The distribution and cellular origin of platelet-derived growth factor (PDGF)-BB were examined with immunofluorescence. Pericyte-fibroblast transition was detected with immunohistochemistry and Western blot assays after PDGF-BB knockdown and blocking PDGF-BB/PDGFRβ signaling in vitro. Intrathecal injection of imatinib was used to selectively inhibit PDGF-BB/PDGFRβ signaling. The Basso mouse scale score and footprint analysis were performed to assess functional recovery. Subsequently, axonal regeneration, fibrotic scarring, fibroblast population, proliferation and apoptosis of PDGFRβ+ cells, microvessel leakage, and the inflammatory response were assessed with immunofluorescence. Results PDGFRβ+ pericytes detached from the blood vessel wall and transitioned into fibroblasts to form fibrotic scar after SCI. PDGF-BB was mainly distributed in the periphery of the injured core, and microvascular endothelial cells were one of the sources of PDGF-BB in the acute phase. Microvascular endothelial cells induced pericyte-fibroblast transition through the PDGF-BB/PDGFRβ signaling pathway in vitro. Pharmacologically blocking the PDGF-BB/PDGFRβ pathway promoted motor function recovery and axonal regeneration and inhibited fibrotic scar formation. After fibrotic scar formation, blocking the PDGFRβ receptor inhibited proliferation and promoted apoptosis of PDGFRβ+ cells. Imatinib did not alter pericyte coverage on microvessels, while microvessel leakage and inflammation were significantly decreased after imatinib treatment. Conclusions We reveal that the crosstalk between microvascular endothelial cells and pericytes promotes pericyte-fibroblast transition through the PDGF-BB/PDGFRβ signaling pathway. Our finding suggests that blocking the PDGF-BB/PDGFRβ signaling pathway with imatinib contributes to functional recovery, fibrotic scarring, and inflammatory attenuation after SCI and provides a potential target for the treatment of SCI. Supplementary Information The online version contains supplementary material available at 10.1186/s41232-022-00223-9.
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Affiliation(s)
- Fei Yao
- Department of Orthopedics, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, 230032, Anhui Province, China
| | - Yang Luo
- Department of Orthopedics, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, 230032, Anhui Province, China
| | - Yan-Chang Liu
- Department of Orthopedics, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, 230032, Anhui Province, China
| | - Yi-Hao Chen
- Department of Orthopedics, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, 230032, Anhui Province, China
| | - Yi-Teng Li
- Department of Orthopedics, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, 230032, Anhui Province, China
| | - Xu-Yang Hu
- Department of Orthopedics, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, 230032, Anhui Province, China
| | - Xing-Yu You
- Department of Orthopedics, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, 230032, Anhui Province, China
| | - Shui-Sheng Yu
- Department of Orthopedics, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, 230032, Anhui Province, China
| | - Zi-Yu Li
- Department of Orthopedics, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, 230032, Anhui Province, China
| | - Lei Chen
- Department of Orthopedics, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, 230032, Anhui Province, China
| | - Da-Sheng Tian
- Department of Orthopedics, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, 230032, Anhui Province, China
| | - Mei-Ge Zheng
- Department of Orthopedics, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, 230032, Anhui Province, China.
| | - Li Cheng
- Department of Orthopedics, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, 230032, Anhui Province, China. .,School of Pharmacy, Anhui Medical University, Hefei, 230032, Anhui Province, China.
| | - Jue-Hua Jing
- Department of Orthopedics, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, 230032, Anhui Province, China.
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16
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Lou S, Huang T, Qi J, Zhang T, Gao J, Cui S. Discovery of (2-phenylthiazol-4-yl)urea derivatives that induce neuronal differentiation from mesenchymal stem cells. Bioorg Med Chem Lett 2022; 69:128798. [PMID: 35580725 DOI: 10.1016/j.bmcl.2022.128798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 05/05/2022] [Accepted: 05/11/2022] [Indexed: 11/28/2022]
Abstract
The success of stem cells therapy to treat neurodegenerative diseases is currently restricted by the lack of suitable stem cells. Mesenchymal stem cells (MSCs) have demonstrated several advantages as seed-cells for the stem cells therapy. In particular, the low immunogenicity and multiple lineages differentiation capability enables the possibility of using MSCs to treat neurodegenerative diseases. However, a more potent neuronal differentiation capacity of MSCs is required during a success treatment against neurodegenerative diseases. Bioengineering using small molecules to boost the neuronal differentiation of MSCs has been proposed as a promising strategy. Herein, we developed a new series of (2-phenylthiazol-4-yl)urea derivatives and one of them, 18g were observed to successfully promote neuronal differentiation of MSCs after culturing MSCs with 18g for 4 days. In addition, neither significant cytotoxicity nor cell cycle altering were found after the incubation. Interestingly, the osteogenic differentiation potential of MSCs was not affected after 18g treatment. The present study provides a promising small molecule to boost the innate neuronal differentiation capacity of MSCs with no serious detrimental effects.
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Affiliation(s)
- Shengying Lou
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, PR China
| | - Ting Huang
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, PR China
| | - Jifeng Qi
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, PR China
| | - Tianyuan Zhang
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, PR China; Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, PR China.
| | - Jianqing Gao
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, PR China; Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, PR China
| | - Sunliang Cui
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, PR China.
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17
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Bhattacharya N, Indra AK, Ganguli-Indra G. Selective Ablation of BCL11A in Epidermal Keratinocytes Alters Skin Homeostasis and Accelerates Excisional Wound Healing In Vivo. Cells 2022; 11:cells11132106. [PMID: 35805190 PMCID: PMC9265695 DOI: 10.3390/cells11132106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 06/29/2022] [Accepted: 06/30/2022] [Indexed: 01/27/2023] Open
Abstract
Transcriptional regulator BCL11A plays a crucial role in coordinating a suite of developmental processes including skin morphogenesis, barrier functions and lipid metabolism. There is little or no reports so far documenting the role of BCL11A in postnatal adult skin homeostasis and in the physiological process of tissue repair and regeneration. The current study establishes for the first time the In Vivo role of epidermal BCL11A in maintaining adult epidermal homeostasis and as a negative regulator of cutaneous wound healing. Conditional ablation of Bcl11a in skin epidermal keratinocytes (Bcl11aep−/−mice) enhances the keratinocyte proliferation and differentiation program, suggesting its critical role in epidermal homeostasis of adult murine skin. Further, loss of keratinocytic BCL11A promotes rapid closure of excisional wounds both in a cell autonomous manner likely via accelerating wound re-epithelialization and in a non-cell autonomous manner by enhancing angiogenesis. The epidermis specific Bcl11a knockout mouse serves as a prototype to gain mechanistic understanding of various downstream pathways converging towards the manifestation of an accelerated healing phenotype upon its deletion.
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Affiliation(s)
- Nilika Bhattacharya
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, OR 97331, USA;
| | - Arup K. Indra
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, OR 97331, USA;
- Department of Biochemistry and Biophysics, Oregon State University, Corvallis, OR 97331, USA
- Linus Pauling Science Center, Oregon State University, Corvallis, OR 97331, USA
- OHSU Knight Cancer Institute, Oregon Health & Science University (OHSU), Portland, OR 97239, USA
- Department of Dermatology, OHSU, Portland, OR 97239, USA
- Correspondence: (A.K.I.); (G.G.-I.)
| | - Gitali Ganguli-Indra
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, OR 97331, USA;
- OHSU Knight Cancer Institute, Oregon Health & Science University (OHSU), Portland, OR 97239, USA
- Correspondence: (A.K.I.); (G.G.-I.)
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18
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Xu YH, Feng YF, Zou R, Yuan F, Yuan YZ. Silencing of YAP attenuates pericyte-myofibroblast transition and subretinal fibrosis in experimental model of choroidal neovascularization. Cell Biol Int 2022; 46:1249-1263. [PMID: 35475568 DOI: 10.1002/cbin.11809] [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: 03/22/2022] [Accepted: 04/02/2022] [Indexed: 11/07/2022]
Abstract
Age-related macular degeneration (AMD) is the main reason of irreversible vision loss in the elderly. The subretinal fibrosis subsequent to choroidal neovascularization (CNV) is an important feature in the late stage of wet AMD and is considered to be one reason for incomplete response to anti-VEGF drugs. Recent studies have shown that pericyte-myofibroblast transition (PMT) is an important pathological process involving fibrotic diseases of various organs. However, the specific role and mechanism of PMT in the subretinal fibrosis of CNV have not been clarified. It has been clear that the Hippo pathway along with its downstream effector Yes-associated protein (YAP) plays an important role in both epithelial and endothelial myofibroblast development. Therefore, we speculate whether YAP participates in PMT of pericytes and promotes fibrosis of CNV. In this study, experimental CNV was induced by laser photocoagulation in C57BL/6J (B6) mice, and aberrant YAP overexpression was detected in the retinal pigment epithelial/choroid/sclera tissues of the laser-injured eyes. YAP knockdown reduced the proliferation, migration, and differentiation of human retinal microvascular pericytes in vitro. It also reduced subretinal fibrosis of laser-induced CNV in vivo. Moreover, by proteomics-based analysis of pericyte conditioned medium (PC-CM) and bioinformatic analyses, we identified that the crosstalk between Hippo/YAP and MAPK/Erk was involved in expression of filamin A in hypoxic pericytes. These findings suggest that Hippo/YAP and MAPK/Erk are linked together to mediate pericyte proliferation, migration as well as differentiation, which may embody potential implications for treatment in diseases related to CNV.
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Affiliation(s)
- Ya-Hui Xu
- Department of Ophthalmology, Zhongshan Hospital, Fudan University, Shanghai, China.,Department of Ophthalmology, Northern Jiangsu Peoples' Hospital, Yangzhou, China
| | - Yi-Fan Feng
- Department of Ophthalmology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Rong Zou
- Department of Ophthalmology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Fei Yuan
- Department of Ophthalmology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yuan-Zhi Yuan
- Department of Ophthalmology, Zhongshan Hospital, Fudan University, Shanghai, China.,Department of Ophthalmology, Xiamen Branch, Zhongshan Hospital, Fudan University, Xiamen, China
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19
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Lee J, Ung A, Kim H, Lee K, Cho HJ, Bandaru P, Ahadian S, Dokmeci MR, Khademhosseini A. Engineering liver microtissues to study the fusion of HepG2 with mesenchymal stem cells and invasive potential of fused cells. Biofabrication 2021; 14. [PMID: 34740205 DOI: 10.1088/1758-5090/ac36de] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 11/05/2021] [Indexed: 12/26/2022]
Abstract
Increasing evidence from cancer cell fusion with different cell types in the tumor microenvironment has suggested a probable mechanism for how metastasis-initiating cells could be generated in tumors. Although human mesenchymal stem cells (hMSCs) have been known as promising candidates to create hybrid cells with cancer cells, the role of hMSCs in fusion with cancer cells is still controversial. Here, we fabricated a liver-on-a-chip platform to monitor the fusion of liver hepatocellular cells (HepG2) with hMSCs and study their invasive potential. We demonstrated that hMSCs might play dual roles in HepG2 spheroids. The analysis of tumor growth with different fractions of hMSCs in HepG2 spheroids revealed hMSCs' role in preventing HepG2 growth and proliferation, while the hMSCs presented in the HepG2 spheroids led to the generation of HepG2-hMSC hybrid cells with much higher invasiveness compared to HepG2. These invasive HepG2-hMSC hybrid cells expressed high levels of markers associated with stemness, proliferation, epithelial to mesenchymal transition, and matrix deposition, which corresponded to the expression of these markers for hMSCs escaping from hMSC spheroids. In addition, these fused cells were responsible for collective invasion following HepG2 by depositing Collagen I and Fibronectin in their surrounding microenvironment. Furthermore, we showed that hepatic stellate cells (HSCs) could also be fused with HepG2, and the HepG2-HSC hybrid cells possessed similar features to those from HepG2-hMSC fusion. This fusion of HepG2 with liver-resident HSCs may propose a new potential mechanism of hepatic cancer metastasis.
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Affiliation(s)
- Junmin Lee
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90064, United States of America.,Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea.,Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA 90095, United States of America
| | - Aly Ung
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA 90095, United States of America
| | - Hanjun Kim
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90064, United States of America.,Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA 90095, United States of America
| | - KangJu Lee
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90064, United States of America.,Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA 90095, United States of America.,School of Healthcare and Biomedical Engineering, Chonnam National University, Yeosu, 59626, Republic of Korea
| | - Hyun-Jong Cho
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA 90095, United States of America.,College of Pharmacy, Kangwon National University, Chuncheon, Gangwon 24341, Republic of Korea
| | - Praveen Bandaru
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90064, United States of America.,Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA 90095, United States of America
| | - Samad Ahadian
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90064, United States of America.,Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA 90095, United States of America
| | - Mehmet R Dokmeci
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90064, United States of America.,Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA 90095, United States of America.,Department of Radiological Sciences, University of California-Los Angeles, Los Angeles, CA 90095, United States of America
| | - Ali Khademhosseini
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90064, United States of America.,Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA 90095, United States of America.,Department of Radiological Sciences, University of California-Los Angeles, Los Angeles, CA 90095, United States of America.,Department of Chemical and Biomolecular Engineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA 90095, United States of America.,Jonsson Comprehensive Cancer Centre, University of California, Los Angeles, CA 90095, United States of America
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20
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Shaheryar ZA, Khan MA, Adnan CS, Zaidi AA, Hänggi D, Muhammad S. Neuroinflammatory Triangle Presenting Novel Pharmacological Targets for Ischemic Brain Injury. Front Immunol 2021; 12:748663. [PMID: 34691061 PMCID: PMC8529160 DOI: 10.3389/fimmu.2021.748663] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 09/15/2021] [Indexed: 12/20/2022] Open
Abstract
Ischemic stroke is one of the leading causes of morbidity and mortality globally. Hundreds of clinical trials have proven ineffective in bringing forth a definitive and effective treatment for ischemic stroke, except a myopic class of thrombolytic drugs. That, too, has little to do with treating long-term post-stroke disabilities. These studies proposed diverse options to treat stroke, ranging from neurotropic interpolation to venting antioxidant activity, from blocking specific receptors to obstructing functional capacity of ion channels, and more recently the utilization of neuroprotective substances. However, state of the art knowledge suggests that more pragmatic focus in finding effective therapeutic remedy for stroke might be targeting intricate intracellular signaling pathways of the 'neuroinflammatory triangle': ROS burst, inflammatory cytokines, and BBB disruption. Experimental evidence reviewed here supports the notion that allowing neuroprotective mechanisms to advance, while limiting neuroinflammatory cascades, will help confine post-stroke damage and disabilities.
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Affiliation(s)
- Zaib A. Shaheryar
- Institute for Experimental and Clinical Pharmacology and Toxicology, University of Lübeck, Lübeck, Germany
- Faculty of Pharmacy, University of Lahore, Lahore, Pakistan
| | - Mahtab A. Khan
- Faculty of Pharmacy, University of Central Punjab, Lahore, Pakistan
| | | | - Awais Ali Zaidi
- Faculty of Pharmacy, University of Lahore, Lahore, Pakistan
- Imran Idrees College of Pharmacy, Lahore, Pakistan
| | - Daniel Hänggi
- Department of Neurosurgery, Faculty of Medicine and University Hospital Düsseldorf, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany
| | - Sajjad Muhammad
- Department of Neurosurgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Department of Neurosurgery, Faculty of Medicine and University Hospital Düsseldorf, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany
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21
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Abstract
ABSTRACT In the context of diabetes mellitus, various pathological changes cause tissue ischemia and hypoxia, which can lead to the compensatory formation of neovascularization. However, disorders of the internal environment and dysfunctions of various cells contribute to the dysfunction of neovascularization. Although the problems of tissue ischemia and hypoxia have been partially solved, neovascularization also causes many negative effects. In the process of small blood vessel renewal, pericytes are extremely important for maintaining the normal growth and maturation of neovascularization. Previously, our understanding of pericytes was very limited, and the function of pericytes was not yet clear. Recently, multiple new functions of pericytes have been identified, affecting various processes in angiogenesis and relating to various diseases. Therefore, the importance of pericytes has gradually become apparent. This article presents the latest research progress on the role of pericytes in diabetic angiogenesis, characterizes pericytes, summarizes various potential therapeutic targets, and highlights research directions for the future treatment of various diabetes-related diseases.
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22
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Pirosa A, Tankus EB, Mainardi A, Occhetta P, Dönges L, Baum C, Rasponi M, Martin I, Barbero A. Modeling In Vitro Osteoarthritis Phenotypes in a Vascularized Bone Model Based on a Bone-Marrow Derived Mesenchymal Cell Line and Endothelial Cells. Int J Mol Sci 2021; 22:ijms22179581. [PMID: 34502489 PMCID: PMC8430538 DOI: 10.3390/ijms22179581] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/25/2021] [Accepted: 09/01/2021] [Indexed: 12/03/2022] Open
Abstract
The subchondral bone and its associated vasculature play an important role in the onset of osteoarthritis (OA). Integration of different aspects of the OA environment into multi-cellular and complex human, in vitro models is therefore needed to properly represent the pathology. In this study, we exploited a mesenchymal stromal cell line/endothelial cell co-culture to produce an in vitro human model of vascularized osteogenic tissue. A cocktail of inflammatory cytokines, or conditioned medium from mechanically-induced OA engineered microcartilage, was administered to this vascularized bone model to mimic the inflamed OA environment, hypothesizing that these treatments could induce the onset of specific pathological traits. Exposure to the inflammatory factors led to increased network formation by endothelial cells, reminiscent of the abnormal angiogenesis found in OA subchondral bone, demineralization of the constructs, and increased collagen production, signs of OA related bone sclerosis. Furthermore, inflammation led to augmented expression of osteogenic (alkaline phosphatase (ALP) and osteocalcin (OCN)) and angiogenic (vascular endothelial growth factor (VEGF)) genes. The treatment, with a conditioned medium from the mechanically-induced OA engineered microcartilage, also caused increased demineralization and expression of ALP, OCN, ADAMTS5, and VEGF; however, changes in network formation by endothelial cells were not observed in this second case, suggesting a possible different mechanism of action in inducing OA-like phenotypes. We propose that this vascularized bone model could represent a first step for the in vitro study of bone changes under OA mimicking conditions and possibly serve as a tool in testing anti-OA drugs.
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Affiliation(s)
- Alessandro Pirosa
- Department of Biomedicine, University Hospital Basel, University of Basel, 4056 Basel, Switzerland; (A.P.); (E.B.T.); (A.M.); (L.D.); (I.M.)
| | - Esma Bahar Tankus
- Department of Biomedicine, University Hospital Basel, University of Basel, 4056 Basel, Switzerland; (A.P.); (E.B.T.); (A.M.); (L.D.); (I.M.)
| | - Andrea Mainardi
- Department of Biomedicine, University Hospital Basel, University of Basel, 4056 Basel, Switzerland; (A.P.); (E.B.T.); (A.M.); (L.D.); (I.M.)
- Department of Electronics, Information and Bioengineering, Politecnico di Milano, 20133 Milan, Italy; (P.O.); (M.R.)
- Department of Biomedical Engineering, University of Basel, 4123 Allschwil, Switzerland
| | - Paola Occhetta
- Department of Electronics, Information and Bioengineering, Politecnico di Milano, 20133 Milan, Italy; (P.O.); (M.R.)
| | - Laura Dönges
- Department of Biomedicine, University Hospital Basel, University of Basel, 4056 Basel, Switzerland; (A.P.); (E.B.T.); (A.M.); (L.D.); (I.M.)
| | - Cornelia Baum
- Department of Orthopaedic Surgery and Traumatology, University Hospital Basel, 4031 Basel, Switzerland;
- Department of Research and Development, Schulthess Klinik Zurich, 8008 Zurich, Switzerland
| | - Marco Rasponi
- Department of Electronics, Information and Bioengineering, Politecnico di Milano, 20133 Milan, Italy; (P.O.); (M.R.)
| | - Ivan Martin
- Department of Biomedicine, University Hospital Basel, University of Basel, 4056 Basel, Switzerland; (A.P.); (E.B.T.); (A.M.); (L.D.); (I.M.)
| | - Andrea Barbero
- Department of Biomedicine, University Hospital Basel, University of Basel, 4056 Basel, Switzerland; (A.P.); (E.B.T.); (A.M.); (L.D.); (I.M.)
- Correspondence:
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23
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Evidence for Multiple Origins of De Novo Formed Vascular Smooth Muscle Cells in Pulmonary Hypertension: Challenging the Dominant Model of Pre-Existing Smooth Muscle Expansion. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18168584. [PMID: 34444333 PMCID: PMC8391896 DOI: 10.3390/ijerph18168584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/10/2021] [Accepted: 08/12/2021] [Indexed: 11/17/2022]
Abstract
Vascular remodeling is a prominent feature of pulmonary hypertension. This process involves increased muscularization of already muscularized vessels as well as neo-muscularization of non-muscularized vessels. The cell-of-origin of the newly formed vascular smooth muscle cells has been a subject of intense debate in recent years. Identifying these cells may have important clinical implications since it opens the door for attempts to therapeutically target the progenitor cells and/or reverse the differentiation of their progeny. In this context, the dominant model is that these cells derive from pre-existing smooth muscle cells that are activated in response to injury. In this mini review, we present the evidence that is in favor of this model and, at the same time, highlight other studies indicating that there are alternative cellular sources of vascular smooth muscle cells in pulmonary vascular remodeling.
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24
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Thomas HM, Ahangar P, Fitridge R, Kirby GTS, Mills SJ, Cowin AJ. Plasma-polymerized pericyte patches improve healing of murine wounds through increased angiogenesis and reduced inflammation. Regen Biomater 2021; 8:rbab024. [PMID: 34221447 PMCID: PMC8242226 DOI: 10.1093/rb/rbab024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/13/2021] [Accepted: 05/10/2021] [Indexed: 12/15/2022] Open
Abstract
Pericytes have the potential to be developed as a cell therapy for the treatment of wounds; however, the efficacy of any cell therapy relies on the successful delivery of intact and functioning cells. Here, the effect of delivering pericytes on wound repair was assessed alongside the development of a surface-functionalized pericyte patch. Plasma polymerization (PP) was used to functionalize the surface of silicone patches with heptylamine (HA) or acrylic acid (AA) monomers. Human pericytes were subsequently delivered to murine excisional wounds by intradermal injection or using the pericyte-laden patches and the comparative effects on wound healing, inflammation and revascularization determined. The AA surface provided the superior transfer of the cells to de-epidermized dermis. Excisional murine wounds treated either with pericytes injected directly into the wound or with the pericyte-laden AA patches showed improved healing with decreased neutrophil infiltration and reduced numbers of macrophages in the wounds. Pericyte delivery also enhanced angiogenesis through a mechanism independent of VEGF signalling. Pericytes, when delivered to wounds, improved healing responses by dampening inflammation and promoting angiogenesis. Delivery of pericytes using PP-AA-functionalized patches was equally as effective as direct injection of pericytes into wounds. Pericyte-functionalized dressings may therefore be a clinically relevant approach for the treatment of wounds.
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Affiliation(s)
- Hannah M Thomas
- Future Industries Institute, University of South Australia, Mawson Lakes SA 5095, Australia.,Cell Therapy Manufacturing Cooperative Research Centre, Adelaide SA 5000, Australia
| | - Parinaz Ahangar
- Future Industries Institute, University of South Australia, Mawson Lakes SA 5095, Australia.,Cell Therapy Manufacturing Cooperative Research Centre, Adelaide SA 5000, Australia
| | - Robert Fitridge
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide SA 5005, Australia
| | - Giles T S Kirby
- Future Industries Institute, University of South Australia, Mawson Lakes SA 5095, Australia
| | - Stuart J Mills
- Future Industries Institute, University of South Australia, Mawson Lakes SA 5095, Australia.,Cell Therapy Manufacturing Cooperative Research Centre, Adelaide SA 5000, Australia
| | - Allison J Cowin
- Future Industries Institute, University of South Australia, Mawson Lakes SA 5095, Australia.,Cell Therapy Manufacturing Cooperative Research Centre, Adelaide SA 5000, Australia
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25
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Feng F, Feng X, Zhang D, Li Q, Yao L. Matrix Stiffness Induces Pericyte-Fibroblast Transition Through YAP Activation. Front Pharmacol 2021; 12:698275. [PMID: 34135765 PMCID: PMC8202079 DOI: 10.3389/fphar.2021.698275] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 05/18/2021] [Indexed: 12/12/2022] Open
Abstract
Vascular pericytes, important mural cells that retain progenitor cell properties and protect vascular integrity in healthy tissues, are often associated with tumor development, but their functions in cancer invasion remain elusive. One prominent outcome of tumor occurrence is that the microenvironment of the lesion often stiffens, which could change resident cell behavior. Here, we found pericytes are matrix stiffness-responsive and mechanical stimuli induce pericyte-fibroblast transition (PFT). Soft PA gels that mimic the stiffness of healthy tissues retain the identity and behavior of pericytes, whereas stiff PA gels that reflect the stiffness of tumorous tissues promote PFT and the mobility and invasiveness of the cells. Matrix stiffness-induced PFT depends on the activation of YAP (Yes-associated protein), a transcription factor, which, upon receiving mechanical signals, transfers from cytoplasm to nucleus to mediate cell transcriptional activities. Our result reveals a mechanism through which vascular pericytes convert to fibroblasts and migrate away from vasculatures to help tumor development, and thus targeting matrix stiffness-induced PFT may offer a new perspective to the treatment of cancer metastasis.
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Affiliation(s)
- Feng Feng
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Xueyan Feng
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Di Zhang
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Qilong Li
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Li Yao
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, China
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26
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Goss G, Rognoni E, Salameti V, Watt FM. Distinct Fibroblast Lineages Give Rise to NG2+ Pericyte Populations in Mouse Skin Development and Repair. Front Cell Dev Biol 2021; 9:675080. [PMID: 34124060 PMCID: PMC8194079 DOI: 10.3389/fcell.2021.675080] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 04/23/2021] [Indexed: 12/12/2022] Open
Abstract
We have examined the developmental origins of Ng2+ perivascular cell populations that adhere to the basement membrane of blood vessels, and their contribution to wound healing. Neural/glial antigen 2 (Ng2) labeled most perivascular cells (70-80%) in developing and adult mouse back skin, a higher proportion than expressed by other pericyte markers Tbx18, Nestin and Pdgfrβ. In adult mouse back skin Ng2+ perivascular cells could be categorized into 4 populations based on whether they expressed Pdgfrα and Pdgfrβ individually or in combination or were Pdgfr-negative. Lineage tracing demonstrated that although Ng2+ cells in embryonic and neonatal back skin contributed to multiple cell types they did not give rise to interfollicular fibroblasts within the dermis. Lineage tracing of distinct fibroblast populations during skin development showed that papillary fibroblasts (Lrig1+) gave rise to Ng2+ perivascular cells in the upper dermis, whilst Ng2+ perivascular cells in the lower dermis were primarily derived from reticular Dlk1+ fibroblasts. Following wounding of adult skin, Ng2+ dermal cells only give rise to Ng2+ blood vessel associated cells and did not contribute to other fibroblast lineages. The relative abundance of Ng2+ Pdgfrβ+ perivascular populations was comparable in wounded and non-wounded skin, indicating that perivascular heterogeneity was maintained during full thickness skin repair. In the wound bed Ng2+ perivascular populations were primarily derived from Lrig1+ papillary or Dlk1+ reticular fibroblast lineages, according to the location of the regenerating blood vessels. We conclude that Ng2+ perivascular cells represent a heterogeneous lineage restricted population that is primarily recruited from the papillary or reticular fibroblast lineages during tissue regeneration.
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Affiliation(s)
| | | | | | - Fiona M. Watt
- Centre for Stem Cells and Regenerative Medicine, King’s College London, Guy’s Hospital, London, United Kingdom
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27
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Davis C, Savitz SI, Satani N. Mesenchymal Stem Cell Derived Extracellular Vesicles for Repairing the Neurovascular Unit after Ischemic Stroke. Cells 2021; 10:cells10040767. [PMID: 33807314 PMCID: PMC8065444 DOI: 10.3390/cells10040767] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/26/2021] [Accepted: 03/29/2021] [Indexed: 12/12/2022] Open
Abstract
Ischemic stroke is a debilitating disease and one of the leading causes of long-term disability. During the early phase after ischemic stroke, the blood-brain barrier (BBB) exhibits increased permeability and disruption, leading to an influx of immune cells and inflammatory molecules that exacerbate the damage to the brain tissue. Mesenchymal stem cells have been investigated as a promising therapy to improve the recovery after ischemic stroke. The therapeutic effects imparted by MSCs are mostly paracrine. Recently, the role of extracellular vesicles released by these MSCs have been studied as possible carriers of information to the brain. This review focuses on the potential of MSC derived EVs to repair the components of the neurovascular unit (NVU) controlling the BBB, in order to promote overall recovery from stroke. Here, we review the techniques for increasing the effectiveness of MSC-based therapeutics, such as improved homing capabilities, bioengineering protein expression, modified culture conditions, and customizing the contents of EVs. Combining multiple techniques targeting NVU repair may provide the basis for improved future stroke treatment paradigms.
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28
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Kirkwood PM, Gibson DA, Smith JR, Wilson-Kanamori JR, Kelepouri O, Esnal-Zufiaurre A, Dobie R, Henderson NC, Saunders PTK. Single-cell RNA sequencing redefines the mesenchymal cell landscape of mouse endometrium. FASEB J 2021; 35:e21285. [PMID: 33710643 PMCID: PMC9328940 DOI: 10.1096/fj.202002123r] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 11/26/2020] [Accepted: 12/01/2020] [Indexed: 12/11/2022]
Abstract
The endometrium is a dynamic tissue that exhibits remarkable resilience to repeated episodes of differentiation, breakdown, regeneration, and remodeling. Endometrial physiology relies on a complex interplay between the stromal and epithelial compartments with the former containing a mixture of fibroblasts, vascular, and immune cells. There is evidence for rare populations of putative mesenchymal progenitor cells located in the perivascular niche of human endometrium, but the existence of an equivalent cell population in mouse is unclear. We used the Pdgfrb‐BAC‐eGFP transgenic reporter mouse in combination with bulk and single‐cell RNA sequencing to redefine the endometrial mesenchyme. In contrast to previous reports we show that CD146 is expressed in both PDGFRβ + perivascular cells and CD31 + endothelial cells. Bulk RNAseq revealed cells in the perivascular niche which express the high levels of Pdgfrb as well as genes previously identified in pericytes and/or vascular smooth muscle cells (Acta2, Myh11, Olfr78, Cspg4, Rgs4, Rgs5, Kcnj8, and Abcc9). scRNA‐seq identified five subpopulations of cells including closely related pericytes/vascular smooth muscle cells and three subpopulations of fibroblasts. All three fibroblast populations were PDGFRα+/CD34 + but were distinct in their expression of Ngfr/Spon2/Angptl7 (F1), Cxcl14/Smoc2/Rgs2 (F2), and Clec3b/Col14a1/Mmp3 (F3), with potential functions in the regulation of immune responses, response to wounding, and organization of extracellular matrix, respectively. Immunohistochemistry was used to investigate the spatial distribution of these populations revealing F1/NGFR + cells in most abundance beside epithelial cells. We provide the first definitive analysis of mesenchymal cells in the adult mouse endometrium identifying five subpopulations providing a platform for comparisons between mesenchymal cells in endometrium and other adult tissues which are prone to fibrosis.
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Affiliation(s)
- Phoebe M Kirkwood
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom
| | - Douglas A Gibson
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom
| | - James R Smith
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom
| | | | - Olympia Kelepouri
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom
| | | | - Ross Dobie
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom
| | - Neil C Henderson
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom.,MRC Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Philippa T K Saunders
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom
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29
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Meijer EM, van Dijk CGM, Kramann R, Verhaar MC, Cheng C. Implementation of Pericytes in Vascular Regeneration Strategies. TISSUE ENGINEERING PART B-REVIEWS 2021; 28:1-21. [PMID: 33231500 DOI: 10.1089/ten.teb.2020.0229] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
For the survival and integration of complex large-sized tissue-engineered (TE) organ constructs that exceed the maximal nutrients and oxygen diffusion distance required for cell survival, graft (pre)vascularization to ensure medium or blood supply is crucial. To achieve this, the morphology and functionality of the microcapillary bed should be mimicked by incorporating vascular cell populations, including endothelium and mural cells. Pericytes play a crucial role in microvascular function, blood vessel stability, angiogenesis, and blood pressure regulation. In addition, tissue-specific pericytes are important in maintaining specific functions in different organs, including vitamin A storage in the liver, renin production in the kidneys and maintenance of the blood-brain-barrier. Together with their multipotential differentiation capacity, this makes pericytes the preferred cell type for application in TE grafts. The use of a tissue-specific pericyte cell population that matches the TE organ may benefit organ function. In this review, we provide an overview of the literature for graft (pre)-vascularization strategies and highlight the possible advantages of using tissue-specific pericytes for specific TE organ grafts. Impact statement The use of a tissue-specific pericyte cell population that matches the tissue-engineered (TE) organ may benefit organ function. In this review, we provide an overview of the literature for graft (pre)vascularization strategies and highlight the possible advantages of using tissue-specific pericytes for specific TE organ grafts.
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Affiliation(s)
- Elana M Meijer
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Christian G M van Dijk
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Rafael Kramann
- Division of Nephrology and Institute of Experimental Medicine and Systems Biology, University Hospital RWTH Aachen, Aachen, Germany.,Department of Internal Medicine, Nephrology and Transplantation, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Marianne C Verhaar
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Caroline Cheng
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands.,Experimental Cardiology, Department of Cardiology, Thorax Center Erasmus University Medical Center, Rotterdam, The Netherlands
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30
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Zhao X, Guo J, Zhang F, Zhang J, Liu D, Hu W, Yin H, Jin L. Therapeutic application of adipose-derived stromal vascular fraction in diabetic foot. Stem Cell Res Ther 2020; 11:394. [PMID: 32928305 PMCID: PMC7488783 DOI: 10.1186/s13287-020-01825-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 05/15/2020] [Accepted: 07/10/2020] [Indexed: 02/06/2023] Open
Abstract
Diabetic foot is one of the severest complications of diabetes. In severe cases, this disease may be lead to amputation or even death due to secondary infection and ischemic necrosis. Since the ineffectiveness of traditional therapy, autologous stem cell transplantation has been used to treat diabetic foot. This simple, safe, and effective therapy is expected to be applied and promoted in the future.In this review, we described the detailed pathogenesis of diabetic foot and the common clinical treatments currently used. We also revealed vascular remodeling as the potential mechanism of therapeutic functions of adipose-derived stromal vascular fraction (SVF) in treating diabetic foot.
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Affiliation(s)
- Xiansheng Zhao
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, 211198, Jiangsu Province, China
| | - Jiamin Guo
- Irell & Manella Graduate School of Biological Sciences, City of Hope National Medical Center, California, 91010, USA
| | - Fangfang Zhang
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, 211198, Jiangsu Province, China
| | - Jue Zhang
- Department of Endocrinology, The Affiliated ZhongDa Hospital of Southeast University, Nanjing, 210009, Jiangsu Province, China
| | - Delin Liu
- Department of Endocrinology, The Affiliated ZhongDa Hospital of Southeast University, Nanjing, 210009, Jiangsu Province, China
| | - Wenjun Hu
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, 211198, Jiangsu Province, China.
| | - Han Yin
- Department of Endocrinology, The Affiliated ZhongDa Hospital of Southeast University, Nanjing, 210009, Jiangsu Province, China.
| | - Liang Jin
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, 211198, Jiangsu Province, China.
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31
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Salehinejad P, Moshrefi M, Eslaminejad T. An Overview on Mesenchymal Stem Cells Derived from Extraembryonic Tissues: Supplement Sources and Isolation Methods. STEM CELLS AND CLONING-ADVANCES AND APPLICATIONS 2020; 13:57-65. [PMID: 32753904 PMCID: PMC7354009 DOI: 10.2147/sccaa.s248519] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 06/25/2020] [Indexed: 11/23/2022]
Abstract
Purpose The main aim of this review was to provide an updated comprehensive report regarding isolation methods of MSCs from human extra embryonic tissues, including cord blood, amniotic fluid, and different parts of the placenta and umbilical cord, with respect to the efficacy of these methods. Results Extra embryonic tissues are the most available source for harvesting of mesenchymal stem cells (MSCs). They make a large number of cells accessible using non-invasive methods of isolation and the least immune-rejection reactions. A successful culture of primary cells requires obtaining a maximum yield of functional and viable cells from the tissues. In addition, there are many reports associated with their differentiation into various kinds of cells, and there are some clinical trials regarding their utilization for patients. Conclusion Currently, cord blood-MSCs have been tested for cartilage and lung diseases. Umbilical cord-MSCs were tested for liver and neural disorders. However, these MSCs can be isolated, expanded, and cryopreserved in a cell bank for patients in need.
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Affiliation(s)
- Parvin Salehinejad
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Mojgan Moshrefi
- Medical Nanotechnology and Tissue Engineering Research Center, Yazd Reproductive Science Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Research and Clinical Center for Infertility, Yazd Reproductive Science Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Touba Eslaminejad
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
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Thomas HM, Ahangar P, Hofma BR, Strudwick XL, Fitridge R, Mills SJ, Cowin AJ. Attenuation of Flightless I Increases Human Pericyte Proliferation, Migration and Angiogenic Functions and Improves Healing in Murine Diabetic Wounds. Int J Mol Sci 2020; 21:ijms21165599. [PMID: 32764293 PMCID: PMC7460558 DOI: 10.3390/ijms21165599] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 07/31/2020] [Accepted: 08/02/2020] [Indexed: 12/14/2022] Open
Abstract
Pericytes are peri-vascular mural cells which have an important role in the homeostatic regulation of inflammatory and angiogenic processes. Flightless I (Flii) is a cytoskeletal protein involved in regulating cellular functions, but its involvement in pericyte activities during wound healing is unknown. Exacerbated inflammation and reduced angiogenesis are hallmarks of impaired diabetic healing responses, and strategies aimed at regulating these processes are vital for improving healing outcomes. To determine the effect of altering Flii expression on pericyte function, in vitro and in vivo studies were performed to assess the effect on healing, inflammation and angiogenesis in diabetic wounds. Here, we demonstrated that human diabetic wounds display upregulated expression of the Flii protein in conjunction with a depletion in the number of platelet derived growth factor receptor β (PDGFRβ) +/ neural glial antigen 2 (NG2) + pericytes present in the dermis. Human pericytes were found to be positive for Flii and attenuating its expression in vitro through siRNA knockdown led to enhanced proliferation, migration and angiogenic functions. Genetic knockdown of Flii in a streptozotocin-induced murine model of diabetes led to increased numbers of pericytes within the wound. This was associated with dampened inflammation, an increased rate of angiogenic repair and improved wound healing. Our findings show that Flii expression directly impacts pericyte functions, including proliferation, motility and angiogenic responses. This suggests that Flii regulation of pericyte function may be in part responsible for the changes in pericyte-related processes observed in diabetic wounds.
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Affiliation(s)
- Hannah M Thomas
- Future Industries Institute, University of South Australia, Adelaide 5000, Australia; (H.M.T.); (P.A.); (B.R.H.); (X.L.S.); (S.J.M.)
- Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia
- Cell Therapy Manufacturing Cooperative Research Centre, Adelaide 5000, Australia
| | - Parinaz Ahangar
- Future Industries Institute, University of South Australia, Adelaide 5000, Australia; (H.M.T.); (P.A.); (B.R.H.); (X.L.S.); (S.J.M.)
- Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia
- Cell Therapy Manufacturing Cooperative Research Centre, Adelaide 5000, Australia
| | - Benjamin R Hofma
- Future Industries Institute, University of South Australia, Adelaide 5000, Australia; (H.M.T.); (P.A.); (B.R.H.); (X.L.S.); (S.J.M.)
- Cell Therapy Manufacturing Cooperative Research Centre, Adelaide 5000, Australia
| | - Xanthe L Strudwick
- Future Industries Institute, University of South Australia, Adelaide 5000, Australia; (H.M.T.); (P.A.); (B.R.H.); (X.L.S.); (S.J.M.)
| | - Robert Fitridge
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide 5000, Australia;
| | - Stuart J Mills
- Future Industries Institute, University of South Australia, Adelaide 5000, Australia; (H.M.T.); (P.A.); (B.R.H.); (X.L.S.); (S.J.M.)
- Cell Therapy Manufacturing Cooperative Research Centre, Adelaide 5000, Australia
| | - Allison J Cowin
- Future Industries Institute, University of South Australia, Adelaide 5000, Australia; (H.M.T.); (P.A.); (B.R.H.); (X.L.S.); (S.J.M.)
- Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia
- Correspondence: ; Tel.: +61-883-025-018
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Abstract
Fat grafting has been shown to improve diseased soft issue. Although the mechanism behind fat grafting’s regenerative properties is currently debated, published studies agree that there is an associated vasculogenic effect. A systematic literature review was conducted to elucidate the biochemical pathways responsible for establishing neo-vasculature to grafted fat.
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Hou Z, Neng L, Zhang J, Cai J, Wang X, Zhang Y, Lopez IA, Shi X. Acoustic Trauma Causes Cochlear Pericyte-to-Myofibroblast-Like Cell Transformation and Vascular Degeneration, and Transplantation of New Pericytes Prevents Vascular Atrophy. THE AMERICAN JOURNAL OF PATHOLOGY 2020; 190:1943-1959. [PMID: 32562655 DOI: 10.1016/j.ajpath.2020.05.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 05/19/2020] [Accepted: 05/26/2020] [Indexed: 12/20/2022]
Abstract
Acoustic trauma disrupts cochlear blood flow and damages sensory hair cells. Damage and regression of capillaries after acoustic trauma have long been observed, but the underlying mechanism of pathology has not been understood. We show herein that loud sound causes change of phenotype from neural/glial antigen 2 positive/α-smooth muscle actin negative to neural/glial antigen 2 positive/α-smooth muscle actin positive in some pericytes (PCs) on strial capillaries that is strongly associated with up-regulation of transforming growth factor-β1. The acoustic trauma also reduced capillary density and increased deposition of matrix proteins, particularly in the vicinity of transformed PCs. In a newly established in vitro three-dimensional endothelial cell (EC) and PC co-culture model, transformed PCs induced thicker capillary-like branches in ECs and increased collagen IV and laminin expression. Transplantation of exogenous PCs derived from neonatal day 10 mouse cochleae to acoustic traumatized cochleae, however, significantly attenuated the decreased vascular density in the stria. Transplantation of PCs pretransfected with adeno-associated virus 1-vascular endothelial growth factor-A165 under control of a hypoxia-response element markedly promotes vascular volume and blood flow, increased proliferation of PCs and ECs, and attenuated loud sound-caused loss in endocochlear potential and hearing. Our results indicate that loud sound-triggered PC transformation contributes to capillary wall thickening and regression, and young PC transplantation effectively rehabilitates the vascular regression and improves hearing.
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Affiliation(s)
- Zhiqiang Hou
- Department of Otolaryngology/Head & Neck Surgery, Oregon Hearing Research Center, Oregon Health & Science University, Portland, Oregon
| | - Lingling Neng
- Department of Otolaryngology/Head & Neck Surgery, Oregon Hearing Research Center, Oregon Health & Science University, Portland, Oregon
| | - Jinhui Zhang
- Department of Otolaryngology/Head & Neck Surgery, Oregon Hearing Research Center, Oregon Health & Science University, Portland, Oregon
| | - Jing Cai
- Department of Otolaryngology/Head & Neck Surgery, Oregon Hearing Research Center, Oregon Health & Science University, Portland, Oregon
| | - Xiaohan Wang
- Department of Otolaryngology/Head & Neck Surgery, Oregon Hearing Research Center, Oregon Health & Science University, Portland, Oregon; Center for Life Sciences, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Yunpei Zhang
- Department of Otolaryngology/Head & Neck Surgery, Oregon Hearing Research Center, Oregon Health & Science University, Portland, Oregon
| | - Ivan A Lopez
- Cellular and Molecular Biology of the Inner Ear Laboratory, Department of Head and Neck Surgery, David Geffen School of Medicine at UCLA, Los Angeles, California
| | - Xiaorui Shi
- Department of Otolaryngology/Head & Neck Surgery, Oregon Hearing Research Center, Oregon Health & Science University, Portland, Oregon.
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Tersoglio AE, Tersoglio S, Salatino DR, Castro M, Gonzalez A, Hinojosa M, Castellano O. Regenerative therapy by endometrial mesenchymal stem cells in thin endometrium with repeated implantation failure. A novel strategy. JBRA Assist Reprod 2020; 24:118-127. [PMID: 31589391 PMCID: PMC7169908 DOI: 10.5935/1518-0557.20190061] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Accepted: 09/08/2019] [Indexed: 01/23/2023] Open
Abstract
OBJECTIVE Our primary objective was to evaluate the endometrial changes before and after the transfer of endometrial mesenchymal stem cells (enMSCs) in a population of thinned endometrium women, with absence or hypo-responsiveness to estrogen and repeated implantation failure (RIF). The secondary objective was to evaluate the clinical outcomes of the intervention in terms of clinical pregnancy (CP), early abortions, ongoing pregnancy and live birth delivery rate (LBDR) per in vitro fertilization (IVF) cycle. METHODS A longitudinal and experimental study. The intervention was defined as "subendometrial inoculation of enMSCs," and the post-intervention changes were evaluated by the following variables: endometrial thickness (Eth), endometrial flow cytometry (enFC), endometrial histopathology (enHP) and endometrial immunohistochemistry (enIHQ). The variables were analyzed after the intervention (Post-treatment) regarding previous values (Pretreatment). RESULTS Eth values before and after treatment with enMSCs were 5.24±1.24 mm vs. 9.93±0.77 (p=0.000), respectively. Endometrial Flow Cytometry showed significant differences in favor of Normalized variables in the post-treatment assessment, associated with the pretreatment, LT/Li, LB/Li, NK/Li, CD8/CD3+ and CD4/CD8 (p≤0.015), respectively. Only two variables Li/PC and CD4/CD3 had NS (p=0.167 and 0.118). A similar analysis was performed on enHP with an HP increase post-treatment (p=0.007). The CP rate was 79.31% (23/29), a live birth delivery rate per embryo transfer was 45.45% (10/22) and ongoing pregnancy 7/29 (24.14%). CONCLUSION Subendometrial enMSCs inoculation produces a significant increase in endometrial thickness; normalize the enHP, enIHQ and enFC. As a result, IVF after treatment with enMSCs yields a higher rate of CP and LBDR.
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Affiliation(s)
| | | | | | - Matías Castro
- International Center for Assisted Reproduction, Mendoza, Argentina
| | - Adriana Gonzalez
- International Center for Assisted Reproduction, Mendoza, Argentina
| | - Mariana Hinojosa
- International Center for Assisted Reproduction, Mendoza, Argentina
| | - Onias Castellano
- International Center for Assisted Reproduction, Mendoza, Argentina
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Evdokiou A, Kanisicak O, Gierek S, Barry A, Ivey MJ, Zhang X, Bodnar RJ, Satish L. Characterization of Burn Eschar Pericytes. J Clin Med 2020; 9:jcm9020606. [PMID: 32102389 PMCID: PMC7074206 DOI: 10.3390/jcm9020606] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 02/19/2020] [Indexed: 12/31/2022] Open
Abstract
Pericytes are cells that reside adjacent to microvasculature and regulate vascular function. Pericytes gained great interest in the field of wound healing and regenerative medicine due to their multipotential fate and ability to enhance angiogenesis. In burn wounds, scarring and scar contractures are the major pathologic feature and cause loss of mobility. The present study investigated the influence of burn wound environment on pericytes during wound healing. Pericytes isolated from normal skin and tangentially excised burn eschar tissues were analyzed for differences in gene and protein expression using RNA-seq., immunocytochemistry, and ELISA analyses. RNA-seq identified 443 differentially expressed genes between normal- and burn eschar-derived pericytes. Whereas, comparing normal skin pericytes to normal skin fibroblasts identified 1021 distinct genes and comparing burn eschar pericytes to normal skin fibroblasts identified 2449 differential genes. Altogether, forkhead box E1 (FOXE1), a transcription factor, was identified as a unique marker for skin pericytes. Interestingly, FOXE1 levels were significantly elevated in burn eschar pericytes compared to normal. Additionally, burn wound pericytes showed increased expression of profibrotic genes periostin, fibronectin, and endosialin and a gain in contractile function, suggesting a contribution to scarring and fibrosis. Our findings suggest that the burn wound environment promotes pericytes to differentiate into a myofibroblast-like phenotype promoting scar formation and fibrosis.
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Affiliation(s)
- Alexander Evdokiou
- Shriners Hospitals for Children, Research Department, Cincinnati, OH 45229, USA; (A.E.); (S.G.); (A.B.)
| | - Onur Kanisicak
- Department of Pathology and Laboratory Medicine, University of Cincinnati, Cincinnati, OH 45267-0529, USA; (O.K.); (M.J.I.)
| | - Stephanie Gierek
- Shriners Hospitals for Children, Research Department, Cincinnati, OH 45229, USA; (A.E.); (S.G.); (A.B.)
| | - Amanda Barry
- Shriners Hospitals for Children, Research Department, Cincinnati, OH 45229, USA; (A.E.); (S.G.); (A.B.)
| | - Malina J. Ivey
- Department of Pathology and Laboratory Medicine, University of Cincinnati, Cincinnati, OH 45267-0529, USA; (O.K.); (M.J.I.)
| | - Xiang Zhang
- Genomics, Epigenomics and Sequencing Core, University of Cincinnati, Cincinnati, OH 45267, USA;
| | - Richard J. Bodnar
- Veterans Affairs Medical Center, University Dr. C, Pittsburgh, PA 15240, USA;
| | - Latha Satish
- Shriners Hospitals for Children, Research Department, Cincinnati, OH 45229, USA; (A.E.); (S.G.); (A.B.)
- Department of Pathology and Laboratory Medicine, University of Cincinnati, Cincinnati, OH 45267-0529, USA; (O.K.); (M.J.I.)
- Correspondence: or ; Tel.: +1-513-872-6278
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Haydont V, Neiveyans V, Perez P, Busson É, Lataillade JJ, Asselineau D, Fortunel NO. Fibroblasts from the Human Skin Dermo-Hypodermal Junction are Distinct from Dermal Papillary and Reticular Fibroblasts and from Mesenchymal Stem Cells and Exhibit a Specific Molecular Profile Related to Extracellular Matrix Organization and Modeling. Cells 2020; 9:E368. [PMID: 32033496 PMCID: PMC7072412 DOI: 10.3390/cells9020368] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 01/21/2020] [Accepted: 01/24/2020] [Indexed: 12/28/2022] Open
Abstract
Human skin dermis contains fibroblast subpopulations in which characterization is crucial due to their roles in extracellular matrix (ECM) biology. This study investigates the properties of fibroblasts localized at the frontier of deep dermis and hypodermis, i.e., dermo-hypodermal junction fibroblasts (F-DHJ), which were compared to intermediate reticular dermis (Fr) and superficial papillary dermis (Fp) fibroblasts. F-DHJ differed from Fr and Fp cells in their wider potential for differentiation into mesodermal lineages and in their absence of contractility when integrated in a three-dimensional dermal equivalent. The transcriptomic profile of F-DHJ exhibited specificities in the expression of genes involved in ECM synthesis-processing and "tissue skeleton" organization. In accordance with transcriptome data, ECM proteins, notably Tenascin C, distributions differed between the reticular dermis and the dermo-hypodermal junction areas, which was documented in normal adult skin. Finally, genome-wide transcriptome profiling was used to evaluate the molecular proximity of F-DHJ with the two dermal fibroblast populations (Fp and Fr) and with the mesenchymal stem cells (MSCs) corresponding to five tissue origins (bone marrow, fat, amnion, chorion, and cord). This comparative analysis classified the three skin fibroblast types, including F-DHJ, as a clearly distinct group from the five MSC sample origins.
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Affiliation(s)
- Valérie Haydont
- Advanced Research, L’Oréal Research and Innovation, 93600 Aulnay-sous-Bois, France; (V.N.); (P.P.); (D.A.)
| | - Véronique Neiveyans
- Advanced Research, L’Oréal Research and Innovation, 93600 Aulnay-sous-Bois, France; (V.N.); (P.P.); (D.A.)
| | - Philippe Perez
- Advanced Research, L’Oréal Research and Innovation, 93600 Aulnay-sous-Bois, France; (V.N.); (P.P.); (D.A.)
| | - Élodie Busson
- Department of Medical and Surgical Assistance to the Armed Forces, French Forces Biomedical Research Institute (IRBA), 91223 CEDEX Brétigny sur Orge, France; (É.B.); (J.-J.L.)
| | - Jean-Jacques Lataillade
- Department of Medical and Surgical Assistance to the Armed Forces, French Forces Biomedical Research Institute (IRBA), 91223 CEDEX Brétigny sur Orge, France; (É.B.); (J.-J.L.)
| | - Daniel Asselineau
- Advanced Research, L’Oréal Research and Innovation, 93600 Aulnay-sous-Bois, France; (V.N.); (P.P.); (D.A.)
| | - Nicolas O. Fortunel
- Laboratoire de Génomique et Radiobiologie de la Kératinopoïèse, Institut de Biologie François Jacob, CEA/DRF/IRCM, 91000 Evry, France
- INSERM U967, 92260 Fontenay-aux-Roses, France
- Université Paris-Diderot, 75013 Paris 7, France
- Université Paris-Saclay, 78140 Paris 11, France
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Caporarello N, D’Angeli F, Cambria MT, Candido S, Giallongo C, Salmeri M, Lombardo C, Longo A, Giurdanella G, Anfuso CD, Lupo G. Pericytes in Microvessels: From "Mural" Function to Brain and Retina Regeneration. Int J Mol Sci 2019; 20:ijms20246351. [PMID: 31861092 PMCID: PMC6940987 DOI: 10.3390/ijms20246351] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 12/13/2019] [Accepted: 12/14/2019] [Indexed: 12/13/2022] Open
Abstract
Pericytes are branched cells located in the wall of capillary blood vessels that are found throughout the body, embedded within the microvascular basement membrane and wrapping endothelial cells, with which they establish a strong physical contact. Pericytes regulate angiogenesis, vessel stabilization, and contribute to the formation of both the blood-brain and blood-retina barriers by Angiopoietin-1/Tie-2, platelet derived growth factor (PDGF) and transforming growth factor (TGF) signaling pathways, regulating pericyte-endothelial cell communication. Human pericytes that have been cultured for a long period give rise to multilineage progenitor cells and exhibit mesenchymal stem cell (MSC) features. We focused our attention on the roles of pericytes in brain and ocular diseases. In particular, pericyte involvement in brain ischemia, brain tumors, diabetic retinopathy, and uveal melanoma is described. Several molecules, such as adenosine and nitric oxide, are responsible for pericyte shrinkage during ischemia-reperfusion. Anti-inflammatory molecules, such as IL-10, TGFβ, and MHC-II, which are increased in glioblastoma-activated pericytes, are responsible for tumor growth. As regards the eye, pericytes play a role not only in ocular vessel stabilization, but also as a stem cell niche that contributes to regenerative processes in diabetic retinopathy. Moreover, pericytes participate in melanoma cell extravasation and the genetic ablation of the PDGF receptor reduces the number of pericytes and aberrant tumor microvessel formation with important implications for therapy efficacy. Thanks to their MSC features, pericytes could be considered excellent candidates to promote nervous tissue repair and for regenerative medicine.
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Affiliation(s)
- Nunzia Caporarello
- Department of Physiology & Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA;
| | - Floriana D’Angeli
- Section of Medical Biochemistry, Department of Biomedical and Biotechnological Sciences, School of Medicine, University of Catania, 95123 Catania, Italy; (F.D.); (M.T.C.); (A.L.); (G.G.)
| | - Maria Teresa Cambria
- Section of Medical Biochemistry, Department of Biomedical and Biotechnological Sciences, School of Medicine, University of Catania, 95123 Catania, Italy; (F.D.); (M.T.C.); (A.L.); (G.G.)
| | - Saverio Candido
- Section of General and Clinical Pathology and Oncology, Department of Biomedical and Biotechnological Sciences, School of Medicine, University of Catania, 95123 Catania, Italy;
| | - Cesarina Giallongo
- Section of Haematology, Department of General Surgery and Medical-Surgical Specialties, University of Catania, 95123 Catania, Italy;
| | - Mario Salmeri
- Section of Microbiology, Department of Biomedical and Biotechnological Sciences, School of Medicine, University of Catania, 95123 Catania, Italy; (M.S.); (C.L.)
| | - Cinzia Lombardo
- Section of Microbiology, Department of Biomedical and Biotechnological Sciences, School of Medicine, University of Catania, 95123 Catania, Italy; (M.S.); (C.L.)
| | - Anna Longo
- Section of Medical Biochemistry, Department of Biomedical and Biotechnological Sciences, School of Medicine, University of Catania, 95123 Catania, Italy; (F.D.); (M.T.C.); (A.L.); (G.G.)
| | - Giovanni Giurdanella
- Section of Medical Biochemistry, Department of Biomedical and Biotechnological Sciences, School of Medicine, University of Catania, 95123 Catania, Italy; (F.D.); (M.T.C.); (A.L.); (G.G.)
| | - Carmelina Daniela Anfuso
- Section of Medical Biochemistry, Department of Biomedical and Biotechnological Sciences, School of Medicine, University of Catania, 95123 Catania, Italy; (F.D.); (M.T.C.); (A.L.); (G.G.)
- Correspondence: (G.L.); (C.D.A.); Tel.: +39-095-4781158 (G.L.); +39-095-4781170 (C.D.A.)
| | - Gabriella Lupo
- Section of Medical Biochemistry, Department of Biomedical and Biotechnological Sciences, School of Medicine, University of Catania, 95123 Catania, Italy; (F.D.); (M.T.C.); (A.L.); (G.G.)
- Correspondence: (G.L.); (C.D.A.); Tel.: +39-095-4781158 (G.L.); +39-095-4781170 (C.D.A.)
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Hsu CY, Salazar MG, Miller S, Meyers C, Ding C, Hardy W, Péault B, James AW. Comparison of Human Tissue Microarray to Human Pericyte Transcriptome Yields Novel Perivascular Cell Markers. Stem Cells Dev 2019; 28:1214-1223. [PMID: 31264500 DOI: 10.1089/scd.2019.0106] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Human perivascular progenitor cells, including pericytes, are well-described multipotent mesenchymal cells giving rise to mesenchymal stem cells in culture. Despite the unique location of pericytes, specific antigens to distinguish human pericytes from other cell types are few. Here, we employed a human tissue microarray (Human Protein Atlas) to identify proteins that are strongly and specifically expressed in a pericytic location within human adipose tissue. Next, these results were cross-referenced with RNA sequencing data from human adipose tissue pericytes, as defined as a fluorescence activated cell sorting (FACS) purified CD146+CD34-CD31-CD45- cell population. Results showed that from 105,532 core biopsies of soft tissue, 229 proteins showed strong and specific perivascular immunoreactivity, the majority of which (155) were present in the tunica intima. Next, cross-referencing with the transcriptome of FACS-derived CD146+ pericytes yielded 25 consistently expressed genes/proteins, including 18 novel antigens. A majority of these transcripts showed maintained expression after culture propagation (56% of genes). Interestingly, many novel antigens within pericytes are regulators of osteogenic differentiation. In sum, our study demonstrates the existence of novel pericyte markers, some of which are conserved in culture that may be useful for future efforts to typify, isolate, and characterize human pericytes.
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Affiliation(s)
- Ching Yun Hsu
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland
| | - Mario Gomez Salazar
- Center for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom.,MRC Center for Regenerative Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Sarah Miller
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland
| | - Carolyn Meyers
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland
| | - Catherine Ding
- Orthopaedic Hospital Research Center, University of California, Los Angeles, Los Angeles, California
| | - Winters Hardy
- Orthopaedic Hospital Research Center, University of California, Los Angeles, Los Angeles, California
| | - Bruno Péault
- Center for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom.,MRC Center for Regenerative Medicine, University of Edinburgh, Edinburgh, United Kingdom.,Orthopaedic Hospital Research Center, University of California, Los Angeles, Los Angeles, California
| | - Aaron W James
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland.,Orthopaedic Hospital Research Center, University of California, Los Angeles, Los Angeles, California
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Qian Z, Sharma D, Jia W, Radke D, Kamp T, Zhao F. Engineering stem cell cardiac patch with microvascular features representative of native myocardium. Theranostics 2019; 9:2143-2157. [PMID: 31149034 PMCID: PMC6531308 DOI: 10.7150/thno.29552] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 02/14/2019] [Indexed: 12/11/2022] Open
Abstract
The natural myocardium is a highly aligned tissue with an oriented vasculature. Its characteristic cellular as well as nanoscale extracellular matrix (ECM) organization along with an oriented vascular network ensures appropriate blood supply and functional performance. Although significant efforts have been made to develop anisotropic cardiac structure, currently neither an ideal biomaterial nor an effective vascularization strategy to engineer oriented and high-density capillary-like microvessels has been achieved for clinical cardiovascular therapies. A naturally derived oriented ECM nanofibrous scaffold mimics the physiological structure and components of tissue ECM and guides neovascular network formation. The objective of this study was to create an oriented and dense microvessel network with physiological myocardial microvascular features. METHODS Highly aligned decellularized human dermal fibroblast sheets were used as ECM scaffold to regulate physiological alignment of microvascular networks by co-culturing human mesenchymal stem cells (hMSCs) and endothelial cells (ECs). The influence of topographical features on hMSC and EC interaction was investigated to understand underlying mechanisms of neovasculature formation. RESULTS Results demonstrate that the ECM topography can be translated to ECs via CD166 tracks and significantly improved hMSC-EC crosstalk and vascular network formation. The aligned ECM nanofibers enhanced structure, length, and density of microvascular networks compared to randomly organized nanofibrous ECM. Moreover, hMSC-EC co-culture promoted secretion of pro-angiogenic growth factors and matrix remodeling via metalloprotease-2 (MMP-2) activation, which resulted in highly dense vascular network formation with intercapillary distance (20 μm) similar to the native myocardium. CONCLUSION HMSC-EC co-culture on the highly aligned ECM generates physiologically oriented and dense microvascular network, which holds great potential for cardiac tissue engineering.
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Affiliation(s)
- Zichen Qian
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Dhavan Sharma
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Wenkai Jia
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Daniel Radke
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Timothy Kamp
- Stem Cell and Regenerative Medicine Center, University of Wisconsin, Madison, WI 53705, USA
| | - Feng Zhao
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA
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Pericytes reduce inflammation and collagen deposition in acute wounds. Cytotherapy 2018; 20:1046-1060. [PMID: 30093323 DOI: 10.1016/j.jcyt.2018.06.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 05/22/2018] [Accepted: 06/22/2018] [Indexed: 12/16/2022]
Abstract
BACKGROUND Pericytes have been shown to have mesenchymal stromal cell-like properties and play a role in tissue regeneration. The goal of this study was to determine whether the addition of a pericyte sheet to a full-thickness dermal wound would enhance the healing of an acute wound. METHODS Human muscle-derived pericytes and human dermal fibroblasts were formed into cell sheets, then applied to full-thickness excisional wounds on the dorsum of nu/nu mice. Histology was performed to evaluate epidermal and dermal reformation, inflammation and fibrosis. In addition, real-time reverse transcriptase-polymerase chain reaction (RT-PCR) was used to determine cytokine response. RESULTS Pericytes were detected in the wounds until day 16 but not fibroblasts. Decrease in wound size was noted in pericyte sheet-treated wounds. Enhanced neo-vascularization and healthy granulation tissue formation were noted in the pericyte-treated wounds. Expression of type I collagen messenger RNA (mRNA) was significantly higher in the fibroblast-treated group, whereas Type III collagen mRNA showed significant increase in the pericyte group at days 3, 6 and 9 compared with the fibroblast and no-cell groups. Trichrome staining revealed thick unorganized collagen fibrils in the fibroblast-treated wounds, whereas pericyte-treated wounds contained thinner and more alligned collagen fibrils. Tumor necrosis factor (TNF)-α mRNA levels were increased in the fibroblast-treated wounds compared with pericyte-treated wounds. DISCUSSION The addition of pericytes may confer beneficial effects to wound healing resulting in reduced recruitment of inflammatory cells and collagen I deposition, potential to enhance wound closure and better collagen alignment promoting stronger tissue.
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Wise LM, Stuart GS, Real NC, Fleming SB, Mercer AA. VEGF Receptor-2 Activation Mediated by VEGF-E Limits Scar Tissue Formation Following Cutaneous Injury. Adv Wound Care (New Rochelle) 2018; 7:283-297. [PMID: 30087804 DOI: 10.1089/wound.2016.0721] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Accepted: 02/27/2017] [Indexed: 02/06/2023] Open
Abstract
Objective: Vascular endothelial growth factor (VEGF) family members are critical regulators of tissue repair and depending on their distinct pattern of receptor specificity can also promote inflammation and scarring. This study utilized a receptor-selective VEGF to examine the role of VEGF receptor (VEGFR)-2 in scar tissue (ST) formation. Approach: Cutaneous skin wounds were created in mice using a 4 mm biopsy punch and then treated until closure with purified VEGF-E derived from orf virus stain NZ-2. Tissue samples were harvested to measure gene expression using quantitative PCR and to observe ST formation through histological examination and changes in cell populations by immunofluorescence. Results: VEGFR-2-activation with VEGF-E increased expression of anti-inflammatory cytokine interleukin (IL)-10 and reduced macrophage infiltration and myofibroblast differentiation in wounded skin compared with controls. VEGF-E treatment also increased microvascular density and improved pericyte coverage of blood vessels in the healing wounds. The ST that formed following treatment with VEGF-E was reduced in size and showed improved collagen structure. Innovation: The role of VEGFR-2 activation in wound epithelialization and angiogenesis is well established; but its contribution to ST formation is unclear. This study tests the effect of a selective VEGFR-2 activation on ST formation following cutaneous wounding in a murine model. Conclusion: VEGFR-2 stimulation can enhance the quality of skin repair, at least, in part, through the induction of IL-10 expression and dampening of wound inflammation and fibrosis. Therapies that selectively activate VEGFR-2 may therefore be beneficial to treat impaired healing or to prevent excess scarring.
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Affiliation(s)
- Lyn M. Wise
- Department of Microbiology and Immunology, University of Otago, Dunedin, New Zealand
| | - Gabriella S. Stuart
- Department of Microbiology and Immunology, University of Otago, Dunedin, New Zealand
| | - Nicola C. Real
- Department of Microbiology and Immunology, University of Otago, Dunedin, New Zealand
| | - Stephen B. Fleming
- Department of Microbiology and Immunology, University of Otago, Dunedin, New Zealand
| | - Andrew A. Mercer
- Department of Microbiology and Immunology, University of Otago, Dunedin, New Zealand
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Wang L, Zhu LX, Wang Z, Lou AJ, Yang YX, Guo Y, Liu S, Zhang C, Zhang Z, Hu HS, Yang B, Zhang P, Ouyang HW, Zhang ZY. Development of a centrally vascularized tissue engineering bone graft with the unique core-shell composite structure for large femoral bone defect treatment. Biomaterials 2018; 175:44-60. [PMID: 29800757 DOI: 10.1016/j.biomaterials.2018.05.017] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 05/10/2018] [Accepted: 05/12/2018] [Indexed: 01/09/2023]
Abstract
Great effort has been spent to promote the vascularization of tissue engineering bone grafts (TEBG) for improved therapeutic outcome. However, the thorough vascularization especially in the central region still remained as a major challenge for the clinical translation of TEBG. Here, we developed a new strategy to construct a centrally vascularized TEBG (CV-TEBG) with unique core-shell composite structure, which is consisted of an angiogenic core and an osteogenic shell. The in vivo evaluation in rabbit critical sized femoral defect was conducted to meticulously compare CV-TEBG to other TEBG designs (TEBG with osteogenic shell alone, or angiogenic core alone or angiogenic core+shell). Microfil-enhanced micro-CT analysis has been shown that CV-TEBG could outperform TEBG with pure osteogenic or angiogenic component for neo-vascularization. CV-TEBG achieved a much higher and more homogenous vascularization throughout the whole scaffold (1.52-38.91 folds, p < 0.01), and generated a unique burrito-like vascular network structure to perfuse both the central and peripheral regions of TEBG, indicating a potential synergistic effect between the osteogenic shell and angiogenic core in CV-TEBG to enhance neo-vascularization. Moreover, CV-TEBG has generated more new bone tissue than other groups (1.99-83.50 folds, p < 0.01), achieved successful bridging defect with the formation of both cortical bone like tissue externally and cancellous bone like tissue internally, and restored approximately 80% of the stiffness of the defected femur (benchmarked to the intact femur). It has been further observed that different bone regeneration patterns occurred in different TEBG implants and closely related to their vascularization patterns, revealing the potential profound influence of vascularization patterns on the osteogenesis pattern during defect healing.
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Affiliation(s)
- Le Wang
- Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China; Translational Research Centre of Regenerative Medicine and 3D Printing Technologies, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China.
| | - Li-Xin Zhu
- Department of Orthopaedic Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510282, China
| | - Zhao Wang
- Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China; Translational Research Centre of Regenerative Medicine and 3D Printing Technologies, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China
| | - Ai-Ju Lou
- Translational Research Centre of Regenerative Medicine and 3D Printing Technologies, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China; Department of Rheumatology, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China
| | - Yi-Xi Yang
- Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China; Translational Research Centre of Regenerative Medicine and 3D Printing Technologies, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China
| | - Yuan Guo
- Translational Research Centre of Regenerative Medicine and 3D Printing Technologies, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China
| | - Song Liu
- Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China; Translational Research Centre of Regenerative Medicine and 3D Printing Technologies, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China
| | - Chi Zhang
- Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China; Translational Research Centre of Regenerative Medicine and 3D Printing Technologies, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China
| | - Zheng Zhang
- Department of Cardiology, The General Hospital of the PLA Rocket Force, Beijing 100088, China
| | - Han-Sheng Hu
- Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China
| | - Bo Yang
- Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China
| | - Ping Zhang
- Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China
| | - Hong-Wei Ouyang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University-University of Edinburgh Institute, Zhejiang University, Hangzhou, Zhejiang 310058, China; China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, 310058, China
| | - Zhi-Yong Zhang
- Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China; Translational Research Centre of Regenerative Medicine and 3D Printing Technologies, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, China; China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, 310058, China.
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Wise LM, Bodaan CJ, Stuart GS, Real NC, Lateef Z, Mercer AA, Riley CB, Theoret CL. Treatment of limb wounds of horses with orf virus IL-10 and VEGF-E accelerates resolution of exuberant granulation tissue, but does not prevent its development. PLoS One 2018; 13:e0197223. [PMID: 29763436 PMCID: PMC5953458 DOI: 10.1371/journal.pone.0197223] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 04/27/2018] [Indexed: 12/13/2022] Open
Abstract
Bandaging of limb wounds in horses leads to formation of exuberant granulation tissue (EGT) that retards healing due to protracted inflammation, aberrant vascularisation and delayed epithelialisation. EGT is not observed if wounds are left undressed or when wounds are on the body. A previous study showed that short-term administration of proteins derived from orf virus dampened inflammation and promoted epithelialisation of open wounds in horses. Here, we investigated the impact of orf virus interleukin-10 and vascular endothelial growth factor-E on the development and resolution of EGT. Excisional wounds were created on the forelimb of four horses, and bandages were maintained until full healing to induce EGT formation. Matching body wounds were created to ensure EGT was limited to the limb, and to differentiate the effects of the viral proteins on normal healing and on EGT formation. Viral proteins or the hydrogel vehicle control were administered topically to site-matched wounds at day 1, with repeat administration at day 8. Wound healing and EGT formation were monitored macroscopically. Wound margin samples were harvested at 2, 7 and 14 days, and at full healing, with histology used to observe epithelialisation, immunofluorescence used to detect inflammatory cells, angiogenesis and cell death, and qPCR to measure expression of genes regulating inflammation and angiogenesis. Limb wounds developed EGT, and exhibited slower healing than body wounds. Viral protein treatment did not accelerate healing at either location nor limit EGT formation in limb wounds. Treatment of limb wounds did however increase epithelialisation and angiogenesis, without dampening inflammatory cell infiltration or gene expression. The healed wounds also had less occlusion and death of blood vessels and fewer epidermal rete ridges following viral protein treatment. These findings indicate that the viral protein treatment does not suppress wound inflammation or EGT formation, but does promote vascular and epidermal repair and EGT resolution.
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Affiliation(s)
- Lyn M. Wise
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
- Department of Microbiology and Immunology, University of Otago, Dunedin, New Zealand
- * E-mail:
| | - Christa J. Bodaan
- School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - Gabriella S. Stuart
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
- Department of Microbiology and Immunology, University of Otago, Dunedin, New Zealand
| | - Nicola C. Real
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
- Department of Microbiology and Immunology, University of Otago, Dunedin, New Zealand
| | - Zabeen Lateef
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
| | - Andrew A. Mercer
- Department of Microbiology and Immunology, University of Otago, Dunedin, New Zealand
| | | | - Christine L. Theoret
- School of Veterinary Science, Massey University, Palmerston North, New Zealand
- Comparative Tissue Healing Laboratory, Département de Biomedecine Vétérinaire, Université de Montréal, Montréal, Québec, Canada
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Characterization of Site-Specific Phosphorylation of NF- κB p65 in Retinal Cells in Response to High Glucose and Cytokine Polarization. Mediators Inflamm 2018; 2018:3020675. [PMID: 29853786 PMCID: PMC5944204 DOI: 10.1155/2018/3020675] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 03/25/2018] [Indexed: 02/07/2023] Open
Abstract
Background Inflammation is an important contributor to the pathogenesis of diabetic retinopathy (DR). NF-κB is a master transcriptional regulator for numerous inflammatory genes. Although NF-κB is comprised of multiple subunits, p65 has received the most attention. However, the p65 subunit can be phosphorylated at numerous sites, for which the effects of DR-related conditions are not well characterized. Since dysregulation of NF-κB has been linked to chronic inflammation, the current study examines site-specific p65 phosphorylation in retinal cells exposed to high glucose and investigates the effects of cytokine polarization. Methods Phosphorylation of NF-κB p65 sites was examined in human primary retinal endothelial cells (HREC) and MIO-M1 Müller cells after exposure to high glucose (HG) and pro- or anti-inflammatory cytokines. Related downstream gene activation was selectively measured by real-time RT-PCR, ELISA, and/or Western blot. Results HG exposure resulted in differential phosphorylation of p65 subunit sites between HREC and Müller cells. Proinflammatory cytokines further increased phosphorylation of these sites and additional sites that were not altered in HG. In contrast, IL-4 exhibited a suppressive effect on the phosphorylation of p65 sites in both cell types and promoted IκBα expression. Downstream inflammatory mediators were increased in response to proinflammatory cytokine treatment versus HG exposure. IL-4 inhibited proinflammatory cytokines, while IL-10 was enhanced despite HG exposure. Conclusion The current study is the first to characterize HG-induced NF-κB p65 phosphorylation after cytokine polarization. By understanding NF-κB phosphorylation and cytokine influence during hyperglycemic conditions, intervention points can be identified for early-stage treatment of DR.
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Harrell CR, Simovic Markovic B, Fellabaum C, Arsenijevic A, Djonov V, Volarevic V. Molecular mechanisms underlying therapeutic potential of pericytes. J Biomed Sci 2018; 25:21. [PMID: 29519245 PMCID: PMC5844098 DOI: 10.1186/s12929-018-0423-7] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 02/21/2018] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Pericytes are multipotent cells present in every vascularized tissue in the body. Despite the fact that they are well-known for more than a century, pericytes are still representing cells with intriguing properties. This is mainly because of their heterogeneity in terms of definition, tissue distribution, origin, phenotype and multi-functional properties. The body of knowledge illustrates importance of pericytes in the regulation of homeostatic and healing processes in the body. MAIN BODY In this review, we summarized current knowledge regarding identification, isolation, ontogeny and functional characteristics of pericytes and described molecular mechanisms involved in the crosstalk between pericytes and endothelial or immune cells. We highlighted the role of pericytes in the pathogenesis of fibrosis, diabetes-related complications (retinopathy, nephropathy, neuropathy and erectile dysfunction), ischemic organ failure, pulmonary hypertension, Alzheimer disease, tumor growth and metastasis with the focus on their therapeutic potential in the regenerative medicine. The functions and capabilities of pericytes are impressive and, as yet, incompletely understood. Molecular mechanisms responsible for pericyte-mediated regulation of vascular stability, angiogenesis and blood flow are well described while their regenerative and immunomodulatory characteristics are still not completely revealed. Strong evidence for pericytes' participation in physiological, as well as in pathological conditions reveals a broad potential for their therapeutic use. Recently published results obtained in animal studies showed that transplantation of pericytes could positively influence the healing of bone, muscle and skin and could support revascularization. However, the differences in their phenotype and function as well as the lack of standardized procedure for their isolation and characterization limit their use in clinical trials. CONCLUSION Critical to further progress in clinical application of pericytes will be identification of tissue specific pericyte phenotype and function, validation and standardization of the procedure for their isolation that will enable establishment of precise clinical settings in which pericyte-based therapy will be efficiently applied.
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Affiliation(s)
- C. Randall Harrell
- Regenerative Processing Plant, LLC, 34176 US Highway 19 N Palm Harbor, Palm Harbor, Florida USA
| | - Bojana Simovic Markovic
- Department of Microbiology and immunology, Center for Molecular Medicine and Stem Cell Research, University of Kragujevac, Serbia, Faculty of Medical Sciences, 69 Svetozar Markovic Street, Kragujevac, 34000 Serbia
| | - Crissy Fellabaum
- Regenerative Processing Plant, LLC, 34176 US Highway 19 N Palm Harbor, Palm Harbor, Florida USA
| | - Aleksandar Arsenijevic
- Department of Microbiology and immunology, Center for Molecular Medicine and Stem Cell Research, University of Kragujevac, Serbia, Faculty of Medical Sciences, 69 Svetozar Markovic Street, Kragujevac, 34000 Serbia
| | - Valentin Djonov
- University of Bern, Institute of Anatomy, Baltzerstrasse 2, Bern, Switzerland
| | - Vladislav Volarevic
- Department of Microbiology and immunology, Center for Molecular Medicine and Stem Cell Research, University of Kragujevac, Serbia, Faculty of Medical Sciences, 69 Svetozar Markovic Street, Kragujevac, 34000 Serbia
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Abstract
Studies of pericytes have been retarded by the lack of appropriate markers for identification of these perivascular mural cells. Use of antibodies against the NG2 proteoglycan as a pericyte marker has greatly facilitated recent studies of pericytes, emphasizing the intimate spatial relationship between pericytes and endothelial cells, allowing more accurate quantification of pericyte/endothelial cell ratios in different vascular beds, and revealing the participation of pericytes throughout all stages of blood vessel formation. The functional importance of NG2 in pericyte biology has been established via NG2 knockdown (in vitro) and knockout (in vivo) strategies that reveal significant deficits in blood vessel formation when NG2 is absent from pericytes. NG2 influences pericyte proliferation and motility by acting as an auxiliary receptor that enhances signaling through integrins and receptor tyrosine kinase growth factor receptors. By acting in a trans orientation, NG2 also activates integrin signaling in closely apposed endothelial cells, leading to enhanced maturation and formation of endothelial cell junctions. NG2 null mice exhibit reduced growth of both mammary and brain tumors that can be traced to deficits in tumor vascularization. Use of Cre-Lox technology to produce pericyte-specific NG2 null mice has revealed specific deficits in tumor vessels that include decreased pericyte ensheathment of endothelial cells, diminished assembly of the vascular basement membrane, reduced vessel patency, and increased vessel leakiness. Interestingly, myeloid-specific NG2 null mice exhibit even larger deficits in tumor vascularization, leading to correspondingly slower tumor growth. Myeloid-specific NG2 null mice are deficient in their ability to recruit macrophages to tumors and other sites of inflammation. This absence of macrophages deprives pericytes of a signal that is crucial for their ability to interact with endothelial cells. The interplay between pericytes, endothelial cells, and macrophages promises to be an extremely fertile area of future study.
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Affiliation(s)
- William B Stallcup
- Tumor Microenvironment and Cancer Immunology Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA.
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Abstract
Pericytes have crucial roles in blood-brain barrier function, blood vessel function/stability, angiogenesis, endothelial cell proliferation/differentiation, wound healing, and hematopoietic stem cells maintenance. They can be isolated from fetal and adult tissues and have multipotential differentiation capacity as mesenchymal stem cells (MSCs). All of these properties make pericytes as preferred cells in the field of tissue engineering. Current developments have shown that tissue-engineered three-dimensional (3D) systems including multiple cell layers (or types) and a supporting biological matrix represent the in vivo environment better than those monolayers on plastic dishes. Tissue-engineered models are also more ethical and cheaper systems than animal models. This chapter describes the role of pericytes in tissue engineering for regenerative medicine.
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Affiliation(s)
- Betül Çelebi-Saltik
- Department of Stem Cell Sciences, Hacettepe University Graduate School of Health Sciences, Ankara, Turkey.
- Center for Stem Cell Research and Development, Hacettepe University, Ankara, Turkey.
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Yu B, Alboslemy T, Safadi F, Kim MH. Glycoprotein Nonmelanoma Clone B Regulates the Crosstalk between Macrophages and Mesenchymal Stem Cells toward Wound Repair. J Invest Dermatol 2017; 138:219-227. [PMID: 28899684 DOI: 10.1016/j.jid.2017.08.034] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2016] [Revised: 08/03/2017] [Accepted: 08/08/2017] [Indexed: 11/28/2022]
Abstract
The process of wound repair requires the coordinated participation of multiple types of cells, which are sequentially recruited during the healing process. In response to tissue injury, both macrophages and mesenchymal stem cells (MSCs) are recruited to the site of injury, where they participate in the repair process. Despite considerable understanding of the role of each cell type in the process of wound repair, the nature of the dynamic interplay between these two cell types and how this interaction influences the process of wound repair are not well understood. Here, using an in vivo model of cutaneous wound healing in mice, we provide evidence that GPNMB is functionally important in promoting the recruitment of MSCs to the site of skin injury, which in turn modulates inflammatory responses by directing the M2 polarization of macrophages in acute wound healing. Furthermore, we show that GPNMB activity is impaired in a diabetic wound environment, which is associated with impaired MSC recruitment that is reversed by the topical administration of recombinant GPNMB protein to the wounds of diabetic mice. Our study provides important insight into the crosstalk between macrophages and endogenous MSCs toward wound repair.
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Affiliation(s)
- Bing Yu
- Department of Biological Sciences, Kent State University, Kent, Ohio, USA
| | - Talib Alboslemy
- School of Biomedical Sciences, Kent State University, Kent, Ohio, USA
| | - Fayez Safadi
- Department of Neurobiology and Anatomy, Northeast Ohio Medical University, Rootstown, Ohio, USA
| | - Min-Ho Kim
- Department of Biological Sciences, Kent State University, Kent, Ohio, USA; School of Biomedical Sciences, Kent State University, Kent, Ohio, USA.
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Gökçinar-Yagci B, Çelebi-Saltik B. Comparison of different culture conditions for smooth muscle cell differentiation of human umbilical cord vein CD146+ perivascular cells. Cell Tissue Bank 2017; 18:501-511. [DOI: 10.1007/s10561-017-9656-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Accepted: 08/12/2017] [Indexed: 12/12/2022]
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