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Jiang H, Liu B, Lin J, Xue T, Han Y, Lu C, Zhou S, Gu Y, Xu F, Shen Y, Xu L, Sun H. MuSCs and IPCs: roles in skeletal muscle homeostasis, aging and injury. Cell Mol Life Sci 2024; 81:67. [PMID: 38289345 PMCID: PMC10828015 DOI: 10.1007/s00018-023-05096-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 12/01/2023] [Accepted: 12/17/2023] [Indexed: 02/01/2024]
Abstract
Skeletal muscle is a highly specialized tissue composed of myofibres that performs crucial functions in movement and metabolism. In response to external stimuli and injuries, a range of stem/progenitor cells, with muscle stem cells or satellite cells (MuSCs) being the predominant cell type, are rapidly activated to repair and regenerate skeletal muscle within weeks. Under normal conditions, MuSCs remain in a quiescent state, but become proliferative and differentiate into new myofibres in response to injury. In addition to MuSCs, some interstitial progenitor cells (IPCs) such as fibro-adipogenic progenitors (FAPs), pericytes, interstitial stem cells expressing PW1 and negative for Pax7 (PICs), muscle side population cells (SPCs), CD133-positive cells and Twist2-positive cells have been identified as playing direct or indirect roles in regenerating muscle tissue. Here, we highlight the heterogeneity, molecular markers, and functional properties of these interstitial progenitor cells, and explore the role of muscle stem/progenitor cells in skeletal muscle homeostasis, aging, and muscle-related diseases. This review provides critical insights for future stem cell therapies aimed at treating muscle-related diseases.
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Affiliation(s)
- Haiyan Jiang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
- Department of Emergency Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Boya Liu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Junfei Lin
- Department of Orthopedics, Affiliated Hospital of Nantong University, Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Tong Xue
- Department of Paediatrics, Medical School of Nantong University, Nantong University, Nantong, 226001, People's Republic of China
| | - Yimin Han
- Department of Paediatrics, Medical School of Nantong University, Nantong University, Nantong, 226001, People's Republic of China
| | - Chunfeng Lu
- Department of Endocrinology, Affiliated Hospital 2 of Nantong University and First People's Hospital of Nantong City, Nantong, 226001, Jiangsu, People's Republic of China
| | - Songlin Zhou
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Yun Gu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Feng Xu
- Department of Endocrinology, Affiliated Hospital 2 of Nantong University and First People's Hospital of Nantong City, Nantong, 226001, Jiangsu, People's Republic of China
| | - Yuntian Shen
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, 226001, Jiangsu, People's Republic of China.
| | - Lingchi Xu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, 226001, Jiangsu, People's Republic of China.
| | - Hualin Sun
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, 226001, Jiangsu, People's Republic of China.
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2
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Jiang S, Ren Z, Yang Y, Liu Q, Zhou S, Xiao Y. The GPIHBP1-LPL complex and its role in plasma triglyceride metabolism: Insights into chylomicronemia. Biomed Pharmacother 2023; 169:115874. [PMID: 37951027 DOI: 10.1016/j.biopha.2023.115874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 11/13/2023] Open
Abstract
GPIHBP1 is a protein found in the endothelial cells of capillaries that is anchored by glycosylphosphatidylinositol and binds to high-density lipoproteins. GPIHBP1 attaches to lipoprotein lipase (LPL), subsequently carrying the enzyme and anchoring it to the capillary lumen. Enabling lipid metabolism is essential for the marginalization of lipoproteins alongside capillaries. Studies underscore the significance of GPIHBP1 in transporting, stabilizing, and aiding in the marginalization of LPL. The intricate interplay between GPIHBP1 and LPL has provided novel insights into chylomicronemia in recent years. Mutations hindering the formation or reducing the efficiency of the GPIHBP1-LPL complex are central to the onset of chylomicronemia. This review delves into the structural nuances of the GPIHBP1-LPL interaction, the consequences of mutations in the complex leading to chylomicronemia, and cutting-edge advancements in chylomicronemia treatment.
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Affiliation(s)
- Shali Jiang
- Department of Cardiovascular Medicine, Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, PR China; Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, PR China
| | - Zhuoqun Ren
- Department of Cardiovascular Medicine, Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, PR China; Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, PR China
| | - Yutao Yang
- Department of Cardiovascular Medicine, Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, PR China; Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, PR China
| | - Qiming Liu
- Department of Cardiovascular Medicine, Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, PR China
| | - Shenghua Zhou
- Department of Cardiovascular Medicine, Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, PR China
| | - Yichao Xiao
- Department of Cardiovascular Medicine, Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, PR China.
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Geranmayeh MH, Rahbarghazi R, Saeedi N, Farhoudi M. Metformin-dependent variation of microglia phenotype dictates pericytes maturation under oxygen-glucose deprivation. Tissue Barriers 2022; 10:2018928. [PMID: 34983297 PMCID: PMC9620990 DOI: 10.1080/21688370.2021.2018928] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Blood-brain barrier resident cells are in the frontline of vascular diseases. To maintain brain tissue homeostasis, a series of cells are integrated regularly to form the neurovascular unit. It is thought that microglia can switch between M1/M2 phenotypes after the initiation of different pathologies. The existence of transition between maturity and stemness features in pericytes could maintain blood-brain barrier functionality against different pathologies. In the current study, the effect of metformin on the balance of the M1/M2 microglial phenotype under oxygen-glucose deprivation conditions and the impact of microglial phenotype changes on pericyte maturation have been explored. Both microglia and pericytes were isolated from the rat brain. Data showed that microglia treatment with metformin under glucose- and oxygen-free conditions suppressed microglia shifting into the M2 phenotype (CD206+ cells) compared to the control (p < .01) and metformin-treated groups (p < .05). Incubation of pericytes with microglia-conditioned media pretreated with metformin under glucose- and oxygen-free conditions or normal conditions increased pericyte maturity. These changes coincided with the reduction of the Sox2/NG2 ratio compared to the control pericytes (p < .05). Data revealed the close microglial-pericytic interplay under the ischemic and hypoxic conditions and the importance of microglial phenotype acquisition on pericyte maturation.
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Affiliation(s)
- Mohammad Hossein Geranmayeh
- Research Center for Pharmaceutical Nanotechnology (RCPN), Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran,Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran,CONTACT Mohammad Hossein Geranmayeh ; Research Center for Pharmaceutical Nanotechnology (RCPN), Biomedicine Institute, Tabriz University of Medical Sciences, Daneshgah St., Tabriz5166614756, Iran
| | - Reza Rahbarghazi
- Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran,Stem Cells Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nazli Saeedi
- Research Center for Pharmaceutical Nanotechnology (RCPN), Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehdi Farhoudi
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran
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Ritso M, Tung LW, Rossi FMV. Emerging skeletal muscle stromal cell diversity: Functional divergence in fibro/adipogenic progenitor and mural cell populations. Exp Cell Res 2022; 410:112947. [PMID: 34822813 DOI: 10.1016/j.yexcr.2021.112947] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 11/15/2021] [Accepted: 11/21/2021] [Indexed: 12/27/2022]
Abstract
While the majority of healthy skeletal muscle consists of multinucleated syncytial repetitive contractile myofibers, repaired by skeletal muscle stem cells when damaged, the maintenance of muscle function also requires a range of tissue-resident stromal populations. In fact, the careful orchestration of damage response processes upon muscle injury relies heavily on stromal cell contribution for effective repair. The two main types of muscle-resident stromal cells are fibro/adipogenic progenitors and mural cells. The latter is comprised of pericytes and vascular smooth muscle cells. Recent publications identifying common markers for stromal cell populations have allowed investigating population dynamics throughout the regenerative process at a higher resolution. Mounting evidence now suggests that subpopulations with distinct roles may exist among stromal cells. In various degenerative muscle wasting conditions, critical cross-talk and spatial signalling amongst various cell populations become dysregulated. This can result in the failure to curb pathological fibro/adipogenic progenitor proliferation and propensity for laying down excessive extracellular matrix, which in turn leads to fibrotic infiltration, reduced contractile units and gradual decline in muscle function. Restoration of physiologically appropriate stromal cell function is therefore just as crucial for therapeutic targeting as the homeostatic maintenance of muscle function.
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Affiliation(s)
- Morten Ritso
- School of Biomedical Engineering, 2222 Health Sciences Mall, The University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada
| | - Lin Wei Tung
- School of Biomedical Engineering, 2222 Health Sciences Mall, The University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada
| | - Fabio M V Rossi
- School of Biomedical Engineering, 2222 Health Sciences Mall, The University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.
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Saburina IN, Kosheleva NV, Kopylov AT, Lipina TV, Krasina ME, Zurina IM, Gorkun AA, Girina SS, Pulin AA, Kaysheva AL, Morozov SG. Proteomic and electron microscopy study of myogenic differentiation of alveolar mucosa multipotent mesenchymal stromal cells in three-dimensional culture. Proteomics 2021; 22:e2000304. [PMID: 34674377 DOI: 10.1002/pmic.202000304] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 08/24/2021] [Accepted: 10/08/2021] [Indexed: 12/15/2022]
Abstract
Myocyte differentiation is featured by adaptation processes, including mitochondria repopulation and cytoskeleton re-organization. The difference between monolayer and spheroid cultured cells at the proteomic level is uncertain. We cultivated alveolar mucosa multipotent mesenchymal stromal cells in spheroids in a myogenic way for the proper conditioning of ECM architecture and cell morphology, which induced spontaneous myogenic differentiation of cells within spheroids. Electron microscopy analysis was used for the morphometry of mitochondria biogenesis, and proteomic was used complementary to unveil events underlying differences between two-dimensional/three-dimensional myoblasts differentiation. The prevalence of elongated mitochondria with an average area of 0.097 μm2 was attributed to monolayer cells 7 days after the passage. The population of small mitochondria with a round shape and area of 0.049 μm2 (p < 0.05) was observed in spheroid cells cultured under three-dimensional conditions. Cells in spheroids were quantitatively enriched in proteins of mitochondria biogenesis (DNM1L, IDH2, SSBP1), respiratory chain (ACO2, ATP5I, COX5A), extracellular proteins (COL12A1, COL6A1, COL6A2), and cytoskeleton (MYL6, MYL12B, MYH10). Most of the Rab-related transducers were inhibited in spheroid culture. The proteomic assay demonstrated delicate mechanisms of mitochondria autophagy and repopulation, cytoskeleton assembling, and biogenesis. Differences in the ultrastructure of mitochondria indicate active biogenesis under three-dimensional conditions.
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Affiliation(s)
- Irina N Saburina
- FSBSI Institute of General Pathology and Pathophysiology, Moscow, Russian Federation
| | - Nastasia V Kosheleva
- FSBSI Institute of General Pathology and Pathophysiology, Moscow, Russian Federation.,Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, Russian Federation.,World-Class Research Center "Digital Biodesign and Personalized Healthcare", Sechenov University, Moscow, Russia
| | - Arthur T Kopylov
- FSBSI Institute of General Pathology and Pathophysiology, Moscow, Russian Federation.,World-Class Research Center "Digital Biodesign and Personalized Healthcare", Sechenov University, Moscow, Russia.,Department of Proteomic Research, Institute of Biomedical Chemistry, Moscow, Russian Federation
| | - Tatiana V Lipina
- Faculty of Biology, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Marina E Krasina
- Faculty of Biology, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Irina M Zurina
- FSBSI Institute of General Pathology and Pathophysiology, Moscow, Russian Federation.,Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, Russian Federation
| | - Anastasiya A Gorkun
- FSBSI Institute of General Pathology and Pathophysiology, Moscow, Russian Federation.,Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, Russian Federation
| | - Svetlana S Girina
- FSBSI Institute of General Pathology and Pathophysiology, Moscow, Russian Federation
| | - Andrey A Pulin
- Pirogov National Medical Surgical Center, Moscow, Russian Federation
| | - Anna L Kaysheva
- Department of Proteomic Research, Institute of Biomedical Chemistry, Moscow, Russian Federation
| | - Sergey G Morozov
- FSBSI Institute of General Pathology and Pathophysiology, Moscow, Russian Federation
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Teng YC, Porfírio-Sousa AL, Ribeiro GM, Arend MC, da Silva Meirelles L, Chen ES, Rosa DS, Han SW. Analyses of the pericyte transcriptome in ischemic skeletal muscles. Stem Cell Res Ther 2021; 12:183. [PMID: 33726849 PMCID: PMC7962292 DOI: 10.1186/s13287-021-02247-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Accepted: 02/25/2021] [Indexed: 12/12/2022] Open
Abstract
Background Peripheral arterial disease (PAD) affects millions of people and compromises quality of life. Critical limb ischemia (CLI), which is the most advanced stage of PAD, can cause nonhealing ulcers and strong chronic pain, and it shortens the patients’ life expectancy. Cell-based angiogenic therapies are becoming a real therapeutic approach to treat CLI. Pericytes are cells that surround vascular endothelial cells to reinforce vessel integrity and regulate local blood pressure and metabolism. In the past decade, researchers also found that pericytes may function as stem or progenitor cells in the body, showing the potential to differentiate into several cell types. We investigated the gene expression profiles of pericytes during the early stages of limb ischemia, as well as the alterations in pericyte subpopulations to better understand the behavior of pericytes under ischemic conditions. Methods In this study, we used a hindlimb ischemia model to mimic CLI in C57/BL6 mice and explore the role of pericytes in regeneration. To this end, muscle pericytes were isolated at different time points after the induction of ischemia. The phenotypes and transcriptomic profiles of the pericytes isolated at these discrete time points were assessed using flow cytometry and RNA sequencing. Results Ischemia triggered proliferation and migration and upregulated the expression of myogenesis-related transcripts in pericytes. Furthermore, the transcriptomic analysis also revealed that pericytes induce or upregulate the expression of a number of cytokines with effects on endothelial cells, leukocyte chemoattraction, or the activation of inflammatory cells. Conclusions Our findings provide a database that will improve our understanding of skeletal muscle pericyte biology under ischemic conditions, which may be useful for the development of novel pericyte-based cell and gene therapies. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02247-3.
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Affiliation(s)
- Yuan-Chi Teng
- Department of Biophysics, Escola Paulista de Medicina, Federal University of São Paulo, Rua Mirassol 207, São Paulo, SP, 04044-010, Brazil
| | | | | | - Marcela Corso Arend
- Department of Biophysics, Escola Paulista de Medicina, Federal University of São Paulo, Rua Mirassol 207, São Paulo, SP, 04044-010, Brazil
| | | | - Elizabeth Suchi Chen
- Department of Morphology and Genetics, Federal University of São Paulo, São Paulo, Brazil
| | - Daniela Santoro Rosa
- Department of Microbiology, Immunology and Parasitology, Federal University of São Paulo, São Paulo, Brazil
| | - Sang Won Han
- Department of Biophysics, Escola Paulista de Medicina, Federal University of São Paulo, Rua Mirassol 207, São Paulo, SP, 04044-010, Brazil. .,Interdisciplinary Center for Gene Therapy, Federal University of São Paulo, São Paulo, Brazil.
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7
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Iriyama S, Yasuda M, Nishikawa S, Takai E, Hosoi J, Amano S. Decrease of laminin-511 in the basement membrane due to photoaging reduces epidermal stem/progenitor cells. Sci Rep 2020; 10:12592. [PMID: 32724130 PMCID: PMC7387558 DOI: 10.1038/s41598-020-69558-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 07/14/2020] [Indexed: 02/08/2023] Open
Abstract
Daily sunlight exposure damages the epidermal basement membrane (BM) and disrupts epidermal homeostasis. Inter-follicular epidermal stem cells (IFE-SCs) regulate epidermal proliferation and differentiation, which supports epidermal homeostasis. Here, we examine how photoaging affects the function of IFE-SCs and we identify key components in their cellular environment (niche). We found that sun-exposed skin showed a decrease of MCSP-positive and β1-integrin-positive cells concomitantly with a decrease of laminin-511 at the dermal-epidermal junction (DEJ), as compared with sun-protected skin. Higher levels of laminin-511 were associated with not only increased efficiency of colony formation, but also higher expression levels of MCSP as well as other stem cell markers such as Lrig1, ITGB1, CD44, CD46, DLL1, and K15 in keratinocytes from skin of 12- to 62-year-old subjects. UVB exposure to cultured human skin impaired laminin-511 integrity at the dermal-epidermal junction and reduced MCSP-positive basal epidermal cells as well as K15-positive cells. Combined treatment with matrix metalloproteinase and heparanase inhibitors protected the integrity of laminin-511 and inhibited the reduction of MCSP-positive cells and K15-positive cells. These results suggest that photoaging may reduce the levels of MCSP-positive and K15-positive epidermal stem/progenitor cells in the epidermis via loss of laminin-511 at the dermal-epidermal junction.
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Affiliation(s)
- Shunsuke Iriyama
- Shiseido Global Innovation Center, 1-2-11 Takashima, Nishi-ku, Yokohama, 220-0011, Japan.
| | - Masahito Yasuda
- Department of Dermatology, Gunma University Graduate School of Medicine, 3-39-22 Showa-Machi, Maebashi, Gunma, 371-8511, Japan
| | - Saori Nishikawa
- Shiseido Global Innovation Center, 1-2-11 Takashima, Nishi-ku, Yokohama, 220-0011, Japan
| | - Eisuke Takai
- Shiseido Global Innovation Center, 1-2-11 Takashima, Nishi-ku, Yokohama, 220-0011, Japan
| | - Junichi Hosoi
- Shiseido Global Innovation Center, 1-2-11 Takashima, Nishi-ku, Yokohama, 220-0011, Japan
| | - Satoshi Amano
- Shiseido Global Innovation Center, 1-2-11 Takashima, Nishi-ku, Yokohama, 220-0011, Japan
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Gautam J, Xu L, Nirwane A, Nguyen B, Yao Y. Loss of mural cell-derived laminin aggravates hemorrhagic brain injury. J Neuroinflammation 2020; 17:103. [PMID: 32252790 PMCID: PMC7133020 DOI: 10.1186/s12974-020-01788-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 03/25/2020] [Indexed: 02/05/2023] Open
Abstract
Background Mural cells synthesize and deposit laminin to the basement membrane. To investigate the function of mural cell-derived laminin, we generated a mutant mouse line lacking mural cell-derived laminin (termed PKO). In a previous study, we showed that the PKO mice were grossly normal under homeostatic condition, but developed blood-brain barrier (BBB) breakdown with advanced age (> 8 months), suggesting that these mutants are intrinsically weak. Based on these findings, we hypothesized that PKO mice have exacerbated injuries in pathological conditions. Methods Using collagenase-induced intracerebral hemorrhage (ICH) as an injury model, we examined various stroke outcomes, including hematoma volume, neurological function, neuronal death, BBB integrity, paracellular/transcellular transport, inflammatory cell infiltration, and brain water content, in PKO mice and their wildtype littermates at young age (6–8 weeks). In addition, transmission electron microscopy (TEM) analysis and an in vitro ICH model were used to investigate the underlying molecular mechanisms. Results Compared to age-matched wildtype littermates, PKO mice display aggravated stroke outcomes, including larger hematoma size, worse neurological function, increased neuronal cell death, enhanced BBB permeability, increased transcytosis, and elevated inflammatory cell infiltration. These mutants also exhibit high baseline brain water content independent of aquaporin-4 (AQP4). In addition, mural cell-derived laminin significantly reduced caveolin-1 without affecting tight junction proteins in the in vitro ICH model. Conclusions These results suggest that mural cell-derived laminin attenuates BBB damage in ICH via decreasing caveolin-1 and thus transcytosis, regulates brain water homeostasis, and plays a beneficial role in ICH.
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Affiliation(s)
- Jyoti Gautam
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia, 240 W Green Street, Athens, GA, 30602, USA
| | - Lingling Xu
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia, 240 W Green Street, Athens, GA, 30602, USA
| | - Abhijit Nirwane
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia, 240 W Green Street, Athens, GA, 30602, USA
| | - Benjamin Nguyen
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia, 240 W Green Street, Athens, GA, 30602, USA
| | - Yao Yao
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia, 240 W Green Street, Athens, GA, 30602, USA.
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Barraza-Flores P, Fontelonga TM, Wuebbles RD, Hermann HJ, Nunes AM, Kornegay JN, Burkin DJ. Laminin-111 protein therapy enhances muscle regeneration and repair in the GRMD dog model of Duchenne muscular dystrophy. Hum Mol Genet 2020; 28:2686-2695. [PMID: 31179490 DOI: 10.1093/hmg/ddz086] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 03/22/2019] [Accepted: 04/15/2019] [Indexed: 12/13/2022] Open
Abstract
Duchenne muscular dystrophy (DMD) is a devastating X-linked disease affecting ~1 in 5000 males. DMD patients exhibit progressive muscle degeneration and weakness, leading to loss of ambulation and premature death from cardiopulmonary failure. We previously reported that mouse Laminin-111 (msLam-111) protein could reduce muscle pathology and improve muscle function in the mdx mouse model for DMD. In this study, we examined the ability of msLam-111 to prevent muscle disease progression in the golden retriever muscular dystrophy (GRMD) dog model of DMD. The msLam-111 protein was injected into the cranial tibial muscle compartment of GRMD dogs and muscle strength and pathology were assessed. The results showed that msLam-111 treatment increased muscle fiber regeneration and repair with improved muscle strength and reduced muscle fibrosis in the GRMD model. Together, these findings support the idea that Laminin-111 could serve as a novel protein therapy for the treatment of DMD.
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Affiliation(s)
- Pamela Barraza-Flores
- Department of Pharmacology, University of Nevada, Reno School of Medicine, Reno, NV, USA
| | - Tatiana M Fontelonga
- Department of Pharmacology, University of Nevada, Reno School of Medicine, Reno, NV, USA
| | - Ryan D Wuebbles
- Department of Pharmacology, University of Nevada, Reno School of Medicine, Reno, NV, USA
| | - Hailey J Hermann
- Department of Pharmacology, University of Nevada, Reno School of Medicine, Reno, NV, USA
| | - Andreia M Nunes
- Department of Pharmacology, University of Nevada, Reno School of Medicine, Reno, NV, USA
| | - Joe N Kornegay
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - Dean J Burkin
- Department of Pharmacology, University of Nevada, Reno School of Medicine, Reno, NV, USA
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10
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Hoshiba T, Yokoyama N. Decellularized extracellular matrices derived from cultured cells at stepwise myogenic stages for the regulation of myotube formation. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2020; 1867:118658. [PMID: 31978502 DOI: 10.1016/j.bbamcr.2020.118658] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 01/16/2020] [Accepted: 01/17/2020] [Indexed: 11/30/2022]
Abstract
The regulation of stem cell differentiation is key for muscle tissue engineering and regenerative medicine. To this end, various substrates mimicking the native extracellular matrix (ECM) have been developed with consideration of the mechanical, topological, and biochemical properties. However, mimicking the biochemical properties of the native ECM is difficult due to its compositional complexity. To develop substrates that mimic the native ECM and its biochemical properties, decellularization is typically used. Here, substrates mimicking the native ECM at each myogenic stage are prepared as stepwise myogenesis-mimicking matrices via the in vitro myogenic culture of C2C12 myoblasts and decellularization. Cells adhered to the stepwise myogenesis-mimicking matrices at similar levels. However, the matrices derived from cells at the myogenic early stage suppressed cell growth and promoted myogenesis. This promotion of myogenesis was potentially due to the suppression of the activation of endogenous BMP signaling following the suppression of the expression of the myogenic-inhibitory factors, Id2 and Id3. Our stepwise myogenesis-mimicking matrices will be suitable ECM models for basic biological research and myogenesis of stem cells. Further, these matrices will provide insights that improve the efficacy of decellularized ECM for muscle repair.
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Affiliation(s)
- Takashi Hoshiba
- Biotechnology Group, Tokyo Metropolitan Industrial Technology Research Institute, 2-4-10 Aomi, Koto-ku, Tokyo 135-0064, Japan; Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
| | - Natsumi Yokoyama
- Yamagata Prefectural Yonezawa Kojokan Senior High School, 1101 Oh-aza, Sasano, Yonezawa, Yamagata 992-1443, Japan
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11
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Zfp422 promotes skeletal muscle differentiation by regulating EphA7 to induce appropriate myoblast apoptosis. Cell Death Differ 2019; 27:1644-1659. [PMID: 31685980 PMCID: PMC7206035 DOI: 10.1038/s41418-019-0448-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 10/21/2019] [Accepted: 10/21/2019] [Indexed: 12/14/2022] Open
Abstract
Zinc finger protein 422 (Zfp422) is a widely expressed zinc finger protein that serves as a transcriptional factor to regulate downstream gene expression, but until now, little is known about its roles in myogenesis. We found here that Zfp422 plays a critical role in skeletal muscle development and regeneration. It highly expresses in mouse skeletal muscle during embryonic development. Specific knockout of Zfp422 in skeletal muscle impaired embryonic muscle formation. Satellite cell-specific Zfp422 deletion severely inhibited muscle regeneration. Myoblast differentiation and myotube formation were suppressed in Zfp422-deleted C2C12 cells, isolated primary myoblasts, and satellite cells. Chromatin Immunoprecipitation Sequencing (ChIP-Seq) revealed that Zfp422 regulated ephrin type-A receptor 7 (EphA7) expression by binding an upstream 169-bp DNA sequence, which was proved to be an enhancer of EphA7. Knocking EphA7 down in C2C12 cells or deleting Zfp422 in myoblasts will inhibit cell apoptosis which is required for myoblast differentiation. These results indicate that Zfp422 is essential for skeletal muscle differentiation and fusion, through regulating EphA7 expression to maintain proper apoptosis.
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12
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Pericytic Laminin Maintains Blood-Brain Barrier Integrity in an Age-Dependent Manner. Transl Stroke Res 2019; 11:228-242. [PMID: 31292838 DOI: 10.1007/s12975-019-00709-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 05/22/2019] [Accepted: 05/30/2019] [Indexed: 02/05/2023]
Abstract
Brain pericytes synthesize and deposit laminin at the blood-brain barrier (BBB). The function of pericyte-derived laminin in BBB maintenance remains largely unknown. In a previous study, we generated pericytic laminin conditional knockout (PKO) mice, which developed BBB breakdown and hydrocephalus in a mixed genetic background. However, since hydrocephalus itself can compromise BBB integrity, it remains unclear whether BBB disruption in these mutants is due to loss of pericytic laminin or secondary to hydrocephalus. Here, we report that, in C57Bl6 dominant background, the PKO mice fail to show hydrocephalus, have a normal lifespan, and develop BBB breakdown in an age-dependent manner. Further mechanistic studies demonstrate that abnormal paracellular transport, enhanced transcytosis, decreased pericyte coverage, and diminished AQP4 level are responsible for BBB disruption in PKO mice. These results suggest that pericyte-derived laminin plays an indispensable and age-dependent role in the maintenance of BBB integrity under homeostatic conditions.
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13
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Teng S, Huang P. The effect of type 2 diabetes mellitus and obesity on muscle progenitor cell function. Stem Cell Res Ther 2019; 10:103. [PMID: 30898146 PMCID: PMC6427880 DOI: 10.1186/s13287-019-1186-0] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
In addition to its primary function to provide movement and maintain posture, the skeletal muscle plays important roles in energy and glucose metabolism. In healthy humans, skeletal muscle is the major site for postprandial glucose uptake and impairment of this process contributes to the pathogenesis of type 2 diabetes mellitus (T2DM). A key component to the maintenance of skeletal muscle integrity and plasticity is the presence of muscle progenitor cells, including satellite cells, fibroadipogenic progenitors, and some interstitial progenitor cells associated with vessels (myo-endothelial cells, pericytes, and mesoangioblasts). In this review, we aim to discuss the emerging concepts related to these progenitor cells, focusing on the identification and characterization of distinct progenitor cell populations, and the impact of obesity and T2DM on these cells. The recent advances in stem cell therapies by targeting diabetic and obese muscle are also discussed.
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Affiliation(s)
- Shuzhi Teng
- The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, 126 Xinmin Street, Changchun, Jilin, 130021, People's Republic of China.
| | - Ping Huang
- The Key Laboratory of Pathobiology, Ministry of Education, Norman Bethune College of Medicine, Jilin University, 126 Xinmin Street, Changchun, Jilin, 130021, People's Republic of China.
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14
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Moyle LA, Tedesco FS, Benedetti S. Pericytes in Muscular Dystrophies. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1147:319-344. [PMID: 31147885 DOI: 10.1007/978-3-030-16908-4_15] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The muscular dystrophies are an heterogeneous group of inherited myopathies characterised by the progressive wasting of skeletal muscle tissue. Pericytes have been shown to make muscle in vitro and to contribute to skeletal muscle regeneration in several animal models, although recent data has shown this to be controversial. In fact, some pericyte subpopulations have been shown to contribute to fibrosis and adipose deposition in muscle. In this chapter, we explore the identity and the multifaceted role of pericytes in dystrophic muscle, potential therapeutic applications and the current need to overcome the hurdles of characterisation (both to identify pericyte subpopulations and track cell fate), to prevent deleterious differentiation towards myogenic-inhibiting subpopulations, and to improve cell proliferation and engraftment efficacy.
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Affiliation(s)
- Louise Anne Moyle
- Institute of Biomaterials and Biomedical Engineering, Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, ON, Canada
| | - Francesco Saverio Tedesco
- Department of Cell and Developmental Biology, University College London, London, UK.
- Great Ormond Street Institute of Child Health, University College London, London, UK.
| | - Sara Benedetti
- Great Ormond Street Institute of Child Health, University College London, London, UK.
- NIHR Great Ormond Street Hospital Biomedical Research Centre, London, UK.
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15
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Abstract
Skeletal muscle regeneration is a highly orchestrated process and involves the activation of many cellular and molecular pathways. Although satellite cells (SCs) are the major cell type responsible for muscle regeneration, pericytes show remarkable myogenic potential and various advantages as cell therapy in muscular disorders. This chapter first introduces the structure, marker expression, origin, and category of pericytes. Next, we discuss their functions in muscular dystrophy and/or muscle injuries, focusing on their myogenic, adipogenic, fibrogenic, chondrogenic, and osteogenic activities. Understanding this knowledge will promote the development of innovative cell therapies for muscle disorders, including muscular dystrophy.
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16
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Xu L, Nirwane A, Yao Y. Basement membrane and blood-brain barrier. Stroke Vasc Neurol 2018; 4:78-82. [PMID: 31338215 PMCID: PMC6613871 DOI: 10.1136/svn-2018-000198] [Citation(s) in RCA: 164] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 11/16/2018] [Indexed: 12/24/2022] Open
Abstract
The blood–brain barrier (BBB) is a highly complex and dynamic structure, mainly composed of brain microvascular endothelial cells, pericytes, astrocytes and the basement membrane (BM). The vast majority of BBB research focuses on its cellular constituents. Its non-cellular component, the BM, on the other hand, is largely understudied due to its intrinsic complexity and the lack of research tools. In this review, we focus on the role of the BM in BBB integrity. We first briefly introduce the biochemical composition and structure of the BM. Next, the biological functions of major components of the BM in BBB formation and maintenance are discussed. Our goal is to provide a concise overview on how the BM contributes to BBB integrity.
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Affiliation(s)
- Lingling Xu
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia, Athens, Georgia, USA
| | - Abhijit Nirwane
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia, Athens, Georgia, USA
| | - Yao Yao
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia, Athens, Georgia, USA
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17
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Abstract
At the simplest level, obesity is the manifestation of an imbalance between caloric intake and expenditure; however, the pathophysiological mechanisms that govern the development of obesity and associated complications are enormously complex. Fibrosis within the adipose tissue compartment is one such factor that may influence the development of obesity and/or obesity-related comorbidities. Furthermore, the functional consequences of adipose tissue fibrosis are a matter of considerable debate, with evidence that fibrosis serves both adaptive and maladaptive roles. Tissue fibrosis itself is incompletely understood, and multiple cellular and molecular pathways are involved in the development, maintenance, and resolution of the fibrotic state. Within the context of obesity, fibrosis influences molecular and cellular events that relate to adipocytes, inflammatory cells, inflammatory mediators, and supporting adipose stromal tissue. In this Review, we explore what is known about the interplay between the development of adipose tissue fibrosis and obesity, with a view toward future investigative and therapeutic avenues.
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Affiliation(s)
| | - Michael J Podolsky
- Cardiovascular Research Institute.,Lung Biology Center, and.,Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Kamran Atabai
- Cardiovascular Research Institute.,Lung Biology Center, and.,Department of Medicine, University of California, San Francisco, San Francisco, California, USA
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18
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Kolinko Y, Kralickova M, Tonar Z. The impact of pericytes on the brain and approaches for their morphological analysis. J Chem Neuroanat 2018; 91:35-45. [DOI: 10.1016/j.jchemneu.2018.04.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 04/10/2018] [Accepted: 04/15/2018] [Indexed: 12/15/2022]
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19
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Valencia AP, Lai JK, Iyer SR, Mistretta KL, Spangenburg EE, Davis DL, Lovering RM, Gilotra MN. Fatty Infiltration Is a Prognostic Marker of Muscle Function After Rotator Cuff Tear. Am J Sports Med 2018; 46:2161-2169. [PMID: 29750541 PMCID: PMC6397750 DOI: 10.1177/0363546518769267] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Massive rotator cuff tears (RCTs) begin as primary tendon injuries and cause a myriad of changes in the muscle, including atrophy, fatty infiltration (FI), and fibrosis. However, it is unclear which changes are most closely associated with muscle function. PURPOSE To determine if FI of the supraspinatus muscle after acute RCT relates to short-term changes in muscle function. STUDY DESIGN Controlled laboratory study. METHODS Unilateral RCTs were induced in female rabbits via tenotomy of the supraspinatus and infraspinatus. Maximal isometric force and rate of fatigue were measured in the supraspinatus in vivo at 6 and 12 weeks after tenotomy. Computed tomography scanning was performed, followed by histologic analysis of myofiber size, FI, and fibrosis. RESULTS Tenotomy resulted in supraspinatus weakness, reduced myofiber size, FI, and fibrosis, but no differences were evident between 6 and 12 weeks after tenotomy except for increased collagen content at 12 weeks. FI was a predictor of supraspinatus weakness and was strongly correlated to force, even after accounting for muscle cross-sectional area. While muscle atrophy accounted for the loss in force in tenotomized muscles with minimal FI, it did not account for the greater loss in force in tenotomized muscles with the most FI. Collagen content was not strongly correlated with maximal isometric force, even when normalized to muscle size. CONCLUSION After RCT, muscle atrophy results in the loss of contractile force from the supraspinatus, but exacerbated weakness is observed with increased FI. Therefore, the level of FI can help predict contractile function of torn rotator cuff muscles. CLINICAL RELEVANCE Markers to predict contractile function of RCTs will help determine the appropriate treatment to improve functional recovery after RCTs.
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Affiliation(s)
- Ana P. Valencia
- Department of Orthopaedics, School of Medicine, University of Maryland, Baltimore, Maryland, USA
- Department of Kinesiology, School of Public Health, University of Maryland, Baltimore, Maryland, USA
| | - Jim K. Lai
- Department of Orthopaedics, School of Medicine, University of Maryland, Baltimore, Maryland, USA
| | - Shama R. Iyer
- Department of Orthopaedics, School of Medicine, University of Maryland, Baltimore, Maryland, USA
| | - Katherine L. Mistretta
- Department of Orthopaedics, School of Medicine, University of Maryland, Baltimore, Maryland, USA
| | - Espen E. Spangenburg
- Department of Physiology, East Carolina Diabetes and Obesity Institute, Brody School of Medicine, East Carolina University, Greenville, North Carolina, USA
| | - Derik L. Davis
- Department of Diagnostic Radiology and Nuclear Medicine, School of Medicine, University of Maryland, Baltimore, Maryland, USA
| | - Richard M. Lovering
- Department of Orthopaedics, School of Medicine, University of Maryland, Baltimore, Maryland, USA
- Department of Physiology, School of Medicine, University of Maryland, Baltimore, Maryland, USA
| | - Mohit N. Gilotra
- Department of Orthopaedics, School of Medicine, University of Maryland, Baltimore, Maryland, USA
- Department of Orthopaedics, Baltimore Veteran Affairs Medical Center, Baltimore, Maryland, USA
- Address correspondence to Mohit N. Gilotra, MD, Department of Orthopaedics, School of Medicine and VA Maryland Health Care System, University of Maryland, AHB, Rm 540, 100 Penn St, Baltimore, MD 21201, USA ()
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20
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Wagner JUG, Chavakis E, Rogg EM, Muhly-Reinholz M, Glaser SF, Günther S, John D, Bonini F, Zeiher AM, Schaefer L, Hannocks MJ, Boon RA, Dimmeler S. Switch in Laminin β2 to Laminin β1 Isoforms During Aging Controls Endothelial Cell Functions-Brief Report. Arterioscler Thromb Vasc Biol 2018; 38:1170-1177. [PMID: 29599141 DOI: 10.1161/atvbaha.117.310685] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Accepted: 03/06/2018] [Indexed: 01/22/2023]
Abstract
OBJECTIVE Endothelial cells play important roles in tissue homeostasis and vascularization, a function that is impaired by aging. Here, we aim to decipher the role of the microenvironment underlying the impairment of endothelial cell functions by aging. APPROACH AND RESULTS RNA sequencing of isolated cardiac endothelial cells derived from young and 18-month-old mouse hearts revealed that aging affects the endothelial expression of genes encoding extracellular matrix proteins, specifically the laminin β1 (Lamb1) and laminin β2 (Lamb2) chains. Whereas Lamb1 was upregulated, Lamb2 was decreased in endothelial cells in old mice compared with young controls. A similar change in expression patterns was observed after induction of acute myocardial infarction. Mimicking aging and injury conditions by plating endothelial cells on laminin β1-containing laminin 411 matrix impaired endothelial cell adhesion, migration, and tube formation and augmented endothelial-to-mesenchymal transition and endothelial detachment compared with laminin 421, which contains the laminin β2 chain. Because laminins can signal via integrin receptors, we determined the activation of ITGB1 (integrin β1). Laminin 421 coating induced a higher activation of ITGB1 compared with laminin 411. siRNA-mediated silencing of ITGB1 reduced laminin β2-dependent adhesion, suggesting that laminin β2 more efficiently activates ITGB1. CONCLUSIONS Mimicking age-related modulation of laminin β1 versus β2 chain expression changes the functional properties and phenotype of endothelial cells. The dysregulation of the extracellular matrix during vascular aging may contribute to age-associated impairment of organ function and fibrosis.
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Affiliation(s)
- Julian U G Wagner
- From the Institute for Cardiovascular Regeneration (J.U.G.W., E.-M.R., M.M.-R., S.F.G., D.J., F.B., R.A.B., S.D.).,German Center of Cardiovascular Research (DZHK), Frankfurt am Main (J.U.G.W., S.F.G., A.M.Z., R.A.B., S.D.)
| | - Emmanouil Chavakis
- Internal Medicine III, Department of Cardiology, Goethe University Hospital, Frankfurt am Main, Germany (E.C., A.M.Z.)
| | - Eva-Maria Rogg
- From the Institute for Cardiovascular Regeneration (J.U.G.W., E.-M.R., M.M.-R., S.F.G., D.J., F.B., R.A.B., S.D.)
| | - Marion Muhly-Reinholz
- From the Institute for Cardiovascular Regeneration (J.U.G.W., E.-M.R., M.M.-R., S.F.G., D.J., F.B., R.A.B., S.D.)
| | - Simone F Glaser
- From the Institute for Cardiovascular Regeneration (J.U.G.W., E.-M.R., M.M.-R., S.F.G., D.J., F.B., R.A.B., S.D.).,German Center of Cardiovascular Research (DZHK), Frankfurt am Main (J.U.G.W., S.F.G., A.M.Z., R.A.B., S.D.)
| | - Stefan Günther
- Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany (S.G.)
| | - David John
- From the Institute for Cardiovascular Regeneration (J.U.G.W., E.-M.R., M.M.-R., S.F.G., D.J., F.B., R.A.B., S.D.)
| | - Francesca Bonini
- From the Institute for Cardiovascular Regeneration (J.U.G.W., E.-M.R., M.M.-R., S.F.G., D.J., F.B., R.A.B., S.D.)
| | - Andreas M Zeiher
- Internal Medicine III, Department of Cardiology, Goethe University Hospital, Frankfurt am Main, Germany (E.C., A.M.Z.).,German Center of Cardiovascular Research (DZHK), Frankfurt am Main (J.U.G.W., S.F.G., A.M.Z., R.A.B., S.D.)
| | - Liliana Schaefer
- Institute of Pharmacology and Toxicology (L.S.), Goethe University, Frankfurt am Main, Germany
| | - Melanie-Jane Hannocks
- German Center of Cardiovascular Research (DZHK), Frankfurt am Main (J.U.G.W., S.F.G., A.M.Z., R.A.B., S.D.)
| | - Reinier A Boon
- From the Institute for Cardiovascular Regeneration (J.U.G.W., E.-M.R., M.M.-R., S.F.G., D.J., F.B., R.A.B., S.D.).,German Center of Cardiovascular Research (DZHK), Frankfurt am Main (J.U.G.W., S.F.G., A.M.Z., R.A.B., S.D.)
| | - Stefanie Dimmeler
- From the Institute for Cardiovascular Regeneration (J.U.G.W., E.-M.R., M.M.-R., S.F.G., D.J., F.B., R.A.B., S.D.) .,German Center of Cardiovascular Research (DZHK), Frankfurt am Main (J.U.G.W., S.F.G., A.M.Z., R.A.B., S.D.)
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21
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López-Cebral R, Silva-Correia J, Reis RL, Silva TH, Oliveira JM. Peripheral Nerve Injury: Current Challenges, Conventional Treatment Approaches, and New Trends in Biomaterials-Based Regenerative Strategies. ACS Biomater Sci Eng 2017; 3:3098-3122. [DOI: 10.1021/acsbiomaterials.7b00655] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- R. López-Cebral
- 3Bs Research Group, Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal
- ICVS/3Bs, PT Government Associate Laboratory, University of Minho, Braga/Guimarães, Portugal
| | - J. Silva-Correia
- 3Bs Research Group, Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal
- ICVS/3Bs, PT Government Associate Laboratory, University of Minho, Braga/Guimarães, Portugal
| | - R. L. Reis
- 3Bs Research Group, Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal
- ICVS/3Bs, PT Government Associate Laboratory, University of Minho, Braga/Guimarães, Portugal
| | - T. H. Silva
- 3Bs Research Group, Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal
- ICVS/3Bs, PT Government Associate Laboratory, University of Minho, Braga/Guimarães, Portugal
| | - J. M. Oliveira
- 3Bs Research Group, Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal
- ICVS/3Bs, PT Government Associate Laboratory, University of Minho, Braga/Guimarães, Portugal
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22
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Eren Cimenci C, Uzunalli G, Uysal O, Yergoz F, Karaca Umay E, Guler MO, Tekinay AB. Laminin mimetic peptide nanofibers regenerate acute muscle defect. Acta Biomater 2017; 60:190-200. [PMID: 28690008 DOI: 10.1016/j.actbio.2017.07.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2017] [Revised: 06/30/2017] [Accepted: 07/05/2017] [Indexed: 02/08/2023]
Abstract
Skeletal muscle cells are terminally differentiated and require the activation of muscle progenitor (satellite) cells for their regeneration. There is a clinical need for faster and more efficient treatment methods for acute muscle injuries, and the stimulation of satellite cell proliferation is promising in this context. In this study, we designed and synthesized a laminin-mimetic bioactive peptide (LM/E-PA) system that is capable of accelerating satellite cell activation by emulating the structure and function of laminin, a major protein of the basal membrane of the skeletal muscle. The LM/E-PA nanofibers enhance myogenic differentiation in vitro and the clinical relevance of the laminin-mimetic bioactive scaffold system was demonstrated further by assessing its effect on the regeneration of acute muscle injury in a rat model. Laminin mimetic peptide nanofibers significantly promoted satellite cell activation in skeletal muscle and accelerated myofibrillar regeneration following acute muscle injury. In addition, the LM/E-PA scaffold treatment significantly reduced the time required for the structural and functional repair of skeletal muscle. This study represents one of the first examples of molecular- and tissue-level regeneration of skeletal muscle facilitated by bioactive peptide nanofibers following acute muscle injury. SIGNIFICANCE STATEMENT Sports, heavy lifting and other strength-intensive tasks are ubiquitous in modern life and likely to cause acute skeletal muscle injury. Speeding up regeneration of skeletal muscle injuries would not only shorten the duration of recovery for the patient, but also support the general health and functionality of the repaired muscle tissue. In this work, we designed and synthesized a laminin-mimetic nanosystem to enhance muscle regeneration. We tested its activity in a rat tibialis anterior muscle by injecting the bioactive nanosystem. The evaluation of the regeneration and differentiation capacity of skeletal muscle suggested that the laminin-mimetic nanosystem enhances skeletal muscle regeneration and provides a suitable platform that is highly promising for the regeneration of acute muscle injuries. This work demonstrates for the first time that laminin-mimetic self-assembled peptide nanosystems facilitate myogenic differentiation in vivo without the need for additional treatment.
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Affiliation(s)
- Cagla Eren Cimenci
- Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center (UNAM), Bilkent University, Ankara 06800, Turkey; Materials Science and Nanotechnology Graduate Program, Bilkent University, Ankara 06800, Turkey
| | - Gozde Uzunalli
- Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center (UNAM), Bilkent University, Ankara 06800, Turkey; Materials Science and Nanotechnology Graduate Program, Bilkent University, Ankara 06800, Turkey
| | - Ozge Uysal
- Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center (UNAM), Bilkent University, Ankara 06800, Turkey; Neuroscience Graduate Program, Bilkent University, Ankara 06800, Turkey
| | - Fatih Yergoz
- Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center (UNAM), Bilkent University, Ankara 06800, Turkey; Materials Science and Nanotechnology Graduate Program, Bilkent University, Ankara 06800, Turkey
| | - Ebru Karaca Umay
- Diskapi Yildirim Beyazit Training and Research Hospital, Physical Medicine and Rehabilitation Clinic, Ankara 06800, Turkey
| | - Mustafa O Guler
- Institute for Molecular Engineering, University of Chicago, Chicago, IL 60637, USA.
| | - Ayse B Tekinay
- Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center (UNAM), Bilkent University, Ankara 06800, Turkey; Materials Science and Nanotechnology Graduate Program, Bilkent University, Ankara 06800, Turkey.
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23
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Marcinczyk M, Elmashhady H, Talovic M, Dunn A, Bugis F, Garg K. Laminin-111 enriched fibrin hydrogels for skeletal muscle regeneration. Biomaterials 2017; 141:233-242. [PMID: 28697464 DOI: 10.1016/j.biomaterials.2017.07.003] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 06/29/2017] [Accepted: 07/03/2017] [Indexed: 12/27/2022]
Abstract
Laminin (LM)-111 supplementation has improved muscle regeneration in several models of disease and injury. This study investigated a novel hydrogel composed of fibrinogen and LM-111. Increasing LM-111 concentration (50-450 μg/mL) in fibrin hydrogels resulted in highly fibrous scaffolds with progressively thinner interlaced fibers. Rheological testing showed that all hydrogels had viscoelastic behavior and the Young's modulus ranged from 2-6KPa. C2C12 myobalsts showed a significant increase in VEGF production and decrease in IL-6 production on LM-111 enriched fibrin hydrogels as compared to pure fibrin hydrogels on day 4. Western blotting results showed a significant increase in MyoD and desmin protein quantity but a significant decrease in myogenin protein quantity in myoblasts cultured on the LM-111 (450 μg/mL) enriched fibrin hydrogel. Combined application of electromechanical stimulation significantly enhanced the production of VEGF and IGF-1 from myoblast seeded fibrin-LM-111 hydrogels. Taken together, these observations offer an important first step toward optimizing a tissue engineered constructs for skeletal muscle regeneration.
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Affiliation(s)
- Madison Marcinczyk
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, USA
| | - Hady Elmashhady
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, USA
| | - Muhamed Talovic
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, USA
| | - Andrew Dunn
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, USA
| | - Faiz Bugis
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, USA
| | - Koyal Garg
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, USA.
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24
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Nirwane A, Gautam J, Yao Y. Isolation of Type I and Type II Pericytes from Mouse Skeletal Muscles. J Vis Exp 2017. [PMID: 28605361 DOI: 10.3791/55904] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Pericytes are perivascular multipotent cells that show heterogeneity in different organs or even within the same tissue. In skeletal muscles, there are at least two pericyte subpopulations (called type I and type II), which express different molecular markers and have distinct differentiation capabilities. Using NG2-DsRed and Nestin-GFP double-transgenic mice, type I (NG2-DsRed+Nestin-GFP-) and type II (NG2-DsRed+Nestin-GFP+) pericytes have been successfully isolated. However, the availability of these double-transgenic mice prevents the widespread use of this purification method. This work describes an alternative protocol that allows for the easy and simultaneous isolation of type I and type II pericytes from skeletal muscles. This protocol utilizes the fluorescence-activated cell sorting (FACS) technique and targets PDGFRβ, rather than NG2, together with the Nestin-GFP signal. Following isolation, type I and type II pericytes show distinct morphologies. In addition, type I and type II pericytes isolated with this new method, like those isolated from the double-transgenic mice, are adipogenic and myogenic, respectively. These results suggest that this protocol can be used to isolate pericyte subpopulations from skeletal muscles and possibly from other tissues.
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Affiliation(s)
| | | | - Yao Yao
- College of Pharmacy, University of Minnesota;
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Yao Y. Laminin: loss-of-function studies. Cell Mol Life Sci 2017; 74:1095-1115. [PMID: 27696112 PMCID: PMC11107706 DOI: 10.1007/s00018-016-2381-0] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Revised: 09/25/2016] [Accepted: 09/26/2016] [Indexed: 01/13/2023]
Abstract
Laminin, one of the most widely expressed extracellular matrix proteins, exerts many important functions in multiple organs/systems and at various developmental stages. Although its critical roles in embryonic development have been demonstrated, laminin's functions at later stages remain largely unknown, mainly due to its intrinsic complexity and lack of research tools (most laminin mutants are embryonic lethal). With the advance of genetic and molecular techniques, many new laminin mutants have been generated recently. These new mutants usually have a longer lifespan and show previously unidentified phenotypes. Not only do these studies suggest novel functions of laminin, but also they provide invaluable animal models that allow investigation of laminin's functions at late stages. Here, I first briefly introduce the nomenclature, structure, and biochemistry of laminin in general. Next, all the loss-of-function mutants/models for each laminin chain are discussed and their phenotypes compared. I hope to provide a comprehensive review on laminin functions and its loss-of-function models, which could serve as a reference for future research in this understudied field.
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Affiliation(s)
- Yao Yao
- College of Pharmacy, University of Minnesota, Duluth, MN, 55812, USA.
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26
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Laminin differentially regulates the stemness of type I and type II pericytes. Stem Cell Res Ther 2017; 8:28. [PMID: 28173861 PMCID: PMC5297126 DOI: 10.1186/s13287-017-0479-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Revised: 01/03/2017] [Accepted: 01/10/2017] [Indexed: 01/22/2023] Open
Abstract
Background Laminin, a major basement membrane component that has direct contact with pericytes under physiological conditions, actively regulates the proliferation and differentiation/fate determination of pericytes. Recently, two types of pericytes (type I and type II) with different molecular markers and functions have been identified in skeletal muscles. Whether laminin differentially regulates the proliferation and differentiation of these two subpopulations remains unclear. Methods Wild-type and pericytic laminin-deficient mice under Nestin-GFP background were used to determine if laminin differentially regulates the proliferation and differentiation of type I and type II pericytes. Specifically, type I and type II pericytes were isolated from these mice, and their proliferation and differentiation were examined in vitro. Moreover, in vivo studies were also performed. Results We demonstrate that, although laminin inhibits the proliferation of both type I and type II pericytes in vitro, loss of laminin predominantly induces proliferation of type II pericytes in vivo. In addition, laminin negatively regulates the adipogenic differentiation of type I pericytes and positively regulates the myogenic differentiation of type II pericytes in vitro. Conclusions Laminin differentially regulates the proliferation and differentiation of type I and type II pericytes. Electronic supplementary material The online version of this article (doi:10.1186/s13287-017-0479-4) contains supplementary material, which is available to authorized users.
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Gautam J, Zhang X, Yao Y. The role of pericytic laminin in blood brain barrier integrity maintenance. Sci Rep 2016; 6:36450. [PMID: 27808256 PMCID: PMC5093438 DOI: 10.1038/srep36450] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Accepted: 10/14/2016] [Indexed: 11/09/2022] Open
Abstract
Laminin, a major component of the basement membrane, plays an important role in blood brain barrier regulation. At the neurovascular unit, brain endothelial cells, astrocytes, and pericytes synthesize and deposit different laminin isoforms into the basement membrane. It has been shown that laminin α4 (endothelial laminin) regulates vascular integrity at embryonic/neonatal stage, while astrocytic laminin maintains vascular integrity in adulthood. Here, we investigate the function of pericyte-derived laminin in vascular integrity. Using a conditional knockout mouse line, we report that loss of pericytic laminin leads to hydrocephalus and BBB breakdown in a small percentage (10.7%) of the mutants. Interestingly, BBB disruption always goes hand-in-hand with hydrocephalus in these mutants, and neither symptom is observed in the rest 89.3% of the mutants. Further mechanistic studies show that reduced tight junction proteins, diminished AQP4 expression, and decreased pericyte coverage are responsible for the BBB disruption. Together, these data suggest that pericyte-derived laminin is involved in the maintenance of BBB integrity and regulation of ventricular size/development.
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Affiliation(s)
- Jyoti Gautam
- College of Pharmacy, University of Minnesota, 1110 Kirby Drive, Duluth, MN, 55812, USA
| | - Xuanming Zhang
- College of Pharmacy, University of Minnesota, 1110 Kirby Drive, Duluth, MN, 55812, USA
| | - Yao Yao
- College of Pharmacy, University of Minnesota, 1110 Kirby Drive, Duluth, MN, 55812, USA
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