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myoblast transplantation

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https://www.readbyqxmd.com/read/28623422/effects-of-omega-3-on-matrix-metalloproteinase-9-myoblast-transplantation-and-satellite-cell-activation-in-dystrophin-deficient-muscle-fibers
#1
Samara Camaçari de Carvalho, Sajedah M Hindi, Ashok Kumar, Maria Julia Marques
In Duchenne muscular dystrophy (DMD), lack of dystrophin leads to progressive muscle degeneration, with DMD patients suffering from cardiorespiratory failure. Cell therapy is an alternative to life-long corticoid therapy. Satellite cells, the stem cells of skeletal muscles, do not completely compensate for the muscle damage in dystrophic muscles. Elevated levels of proinflammatory and profibrotic factors, such as metalloproteinase 9 (MMP-9), impair muscle regeneration, leading to extensive fibrosis and poor results with myoblast transplantation therapies...
June 17, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28615691/human-myogenic-reserve-cells-are-quiescent-stem-cells-that-contribute-to-muscle-regeneration-after-intramuscular-transplantation-in-immunodeficient-mice
#2
Thomas Laumonier, Flavien Bermont, Pierre Hoffmeyer, Vincent Kindler, Jacques Menetrey
Satellite cells, localized within muscles in vivo, are Pax7(+) muscle stem cells supporting skeletal muscle growth and regeneration. Unfortunately, their amplification in vitro, required for their therapeutic use, is associated with reduced regenerative potential. In the present study, we investigated if human myogenic reserve cells (MRC) obtained in vitro, represented a reliable cell source for muscle repair. For this purpose, primary human myoblasts were freshly isolated and expanded. After 2 days of differentiation, 62 ± 2...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28608253/femoral-nerve-block-with-propofol-sedation-versus-general-anesthesia-in-patients-with-severe-cardiac-dysfunction-undergoing-autologous-myoblast-sheet-transplantation
#3
Kenta Okitsu, Takeshi Iritakenishi, Akira Iura, Michioki Kuri, Yuji Fujino
PURPOSE: Regional anesthesia is more favorable than general anesthesia in patients with severe comorbidity; however, data on the superiority of peripheral nerve blocks over general anesthesia in patients with severe cardiac dysfunction are lacking. We aimed to demonstrate that peripheral nerve blocks reduce perioperative analgesic requirements and promote faster recovery compared to general anesthesia. METHODS: We retrospectively evaluated intraoperative blood pressure, perioperative medications, and postoperative recovery in patients who underwent skeletal muscle harvesting for autologous myoblast sheet transplantation...
June 12, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28599279/myoblast-transplantation-improves-cardiac-function-after-myocardial-infarction-through-attenuating-inflammatory-responses
#4
Bo Wang, Likui Zhang, Hao Cao, Junqi Yang, Manya Wu, Yali Ma, Huimin Fan, Zhenzhen Zhan, Zhongmin Liu
Myocardial infarction (MI) is a highly prevalent cardiac emergency, which results in adverse cardiac remodeling and then exacerbates progressive heart failure. Inflammatory responses in cardiac tissue after MI is necessary for myocardium repair and wound healing. However, the excessive inflammation is also a key component of subsequent heart failure pathology. Myoblast transplantation after MI have been fulfilled attractive effects on cardiac repair, but the complications of transplantation and the underlying mechanisms have not been fully elucidated...
May 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28596791/in-utero-stem-cell-transplantation-potential-therapeutic-application-for-muscle-diseases
#5
REVIEW
Neeladri Chowdhury, Atsushi Asakura
Muscular dystrophies, myopathies, and traumatic muscle injury and loss encompass a large group of conditions that currently have no cure. Myoblast transplantations have been investigated as potential cures for these conditions for decades. However, current techniques lack the ability to generate cell numbers required to produce any therapeutic benefit. In utero stem cell transplantation into embryos has been studied for many years mainly in the context of hematopoietic cells and has shown to have experimental advantages and therapeutic applications...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28583699/stem-cell-therapy-with-skeletal-myoblasts-accelerates-neointima-formation-in-a-mouse-model-of-vein-graft-disease
#6
Christina Maria Steger, Johannes Bonatti, Ralf Joachim Rieker, Nikolaos Bonaros, Thomas Schachner
Although still a matter of controversial discussion, skeletal myoblasts are one of the options for stem cell transplantation improving cardiac function after myocardial infarction, exhibiting several advantages including the availability, the ability of self-renewal and differentiation, and the lack of ethical and immunological problems. The aim of this study was to investigate the impact of stem cell therapy with skeletal myoblasts on experimental venous bypass grafts in a mouse model of vein graft disease...
June 2, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28573152/cell-therapy-in-myology-dynamics-of-muscle-precursor-cell-death-after-intramuscular-administration-in-non-human-primates
#7
Daniel Skuk, Jacques P Tremblay
Cell therapy could be useful for the treatment of myopathies. A problem observed in mice, with different results and interpretations, is a significant death among the transplanted cells. We analyzed this problem in non-human primates, the animal model more similar to humans. Autologous or allogeneic myoblasts (with or without a reporter gene) were proliferated in vitro, labeled with [(14)C]thymidine, and intramuscularly injected in macaques. Some monkeys were immunosuppressed for long-term follow-up. Cell-grafted regions were biopsied at different intervals and analyzed by radiolabel quantification and histology...
June 16, 2017: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/28501623/efficient-direct-conversion-of-human-fibroblasts-into-myogenic-lineage-induced-by-co-transduction-with-mycl-and-myod1
#8
Junko Wakao, Tsunao Kishida, Shigehisa Fumino, Koseki Kimura, Kenta Yamamoto, Shin-Ichiro Kotani, Katsura Mizushima, Yuji Naito, Toshikazu Yoshikawa, Tatsuro Tajiri, Osam Mazda
The skeletal muscle consists of contractile myofibers and plays essential roles for maintenance of body posture, movement, and metabolic regulation. During the development and regeneration of the skeletal muscle tissue, the myoblasts fuse into multinucleated myotubes that subsequently form myofibers. Transplantation of myoblasts may make possible a novel regenerative therapy against defects or dysfunction of the skeletal muscle. It is reported that rodent fibroblasts are converted into myoblast-like cells and fuse to form syncytium after forced expression of exogenous myogenic differentiation 1 (MYOD1) that is a key transcription factor for myoblast differentiation...
May 10, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28459804/transplantation-of-hgf-gene-engineered-skeletal-myoblasts-improve-infarction-recovery-in-a-rat-myocardial-ischemia-model
#9
Shu-Ling Rong, Xiao-Lin Wang, Cui-Ying Zhang, Zhuo-Hui Song, Lu-Hua Cui, Xiao-Feng He, Xu-Jiong Li, Hui-Jin Du, Bao Li
BACKGROUND: Skeletal myoblast transplantation seems a promising approach for the repair of myocardial infarction (MI). However, the low engraftment efficacy and impaired angiogenic ability limit the clinical efficiency of the myoblasts. Gene engineering with angiogenic growth factors promotes angiogenesis and enhances engraftment of transplanted skeletal myoblasts, leading to improved infarction recovery in myocardial ischemia. The present study evaluated the therapeutic effects of hepatocyte growth factor (HGF) gene-engineered skeletal myoblasts on tissue regeneration and restoration of heart function in a rat MI model...
2017: PloS One
https://www.readbyqxmd.com/read/28441415/pax7-remodels-the-chromatin-landscape-in-skeletal-muscle-stem-cells
#10
Karin C Lilja, Nan Zhang, Alessandro Magli, Volkan Gunduz, Christopher J Bowman, Robert W Arpke, Radbod Darabi, Michael Kyba, Rita Perlingeiro, Brian D Dynlacht
Pluripotent stem cells (PSC) hold great promise for the treatment of human skeletal muscle diseases. However, it remains challenging to convert PSC to skeletal muscle cells, and the mechanisms by which the master regulatory transcription factor, Pax7, promotes muscle stem (satellite) cell identity are not yet understood. We have taken advantage of PSC-derived skeletal muscle precursor cells (iPax7), wherein the induced expression of Pax7 robustly initiates the muscle program and enables the in vitro generation of precursors that seed the satellite cell compartment upon transplantation...
2017: PloS One
https://www.readbyqxmd.com/read/28323411/engineering-an-injectable-muscle-specific-microenvironment-for-improved-cell-delivery-using-a-nanofibrous-extracellular-matrix-hydrogel
#11
Nikhil Rao, Gillie Agmon, Matthew T Tierney, Jessica L Ungerleider, Rebecca L Braden, Alessandra Sacco, Karen L Christman
Injection of skeletal muscle progenitors has the potential to be a minimally invasive treatment for a number of diseases that negatively affect vasculature and skeletal muscle, including peripheral artery disease. However, success with this approach has been limited because of poor transplant cell survival. This is primarily attributed to cell death due to extensional flow through the needle, the harsh ischemic environment of the host tissue, a deleterious immune cell response, and a lack of biophysical cues supporting exogenous cell viability...
April 25, 2017: ACS Nano
https://www.readbyqxmd.com/read/28224037/tooth-extraction-in-a-patient-after-autologous-skeletal-myoblast-sheet-transplantation-for-severe-dilated-cardiomyopathy
#12
Kohei Okuyama, Yuki Sakamoto, Tomofumi Naruse, Souichi Yanamoto, Masahiro Umeda
The authors describe the first case of tooth extraction in a patient treated with autologous skeletal myocardial sheet transplantation for severe dilated cardiomyopathy. This condition is associated with significant morbidity and mortality that may have identifiable causes or may be idiopathic or inherited. In addition to local disinfection, antimicrobial prophylaxis and continuous anticoagulant therapy during the perioperative period of tooth extraction were needed to prevent infective endocarditis and ensure the success of regenerative therapy of the heart...
March 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28174390/-surgical-regeneration-therapy-using-myoblast-sheets-for-severe-heart-failure
#13
Yoshiki Sawa
Heart failure is a life-threatening disorder worldwide, and the current end-stage therapies for severe heart failure are replacement therapies such as ventricular-assist devices and heart transplantation. Although these therapies have been reported to be useful, there are many issues in terms of the durability, complications, limited donors, adverse effect of continuous administration of immunosuppressive agents, and high costs involved. Recently, regenerative therapy based on genetic, cellular, or tissue engineering techniques has gained attention as a new therapy to overcome the challenges encountered in transplantation medicine...
January 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28126002/novel-vs-clinical-organ-preservation-solutions-improved-cardiac-mitochondrial-protection
#14
COMPARATIVE STUDY
Alice S Ferng, David Schipper, Alana M Connell, Katherine M Marsh, Shannon Knapp, Zain Khalpey
BACKGROUND: Heart transplantation remains the gold standard for end-stage heart failure, with current ex vivo organ storage times limited to 4 to 6 h before critical tissue damage occurs. Many preservation solutions exist in an attempt to limit both ischemic and reperfusion damage. In order to compare the effects of various storage solutions, mitochondrial function can be used to provide a sensitive analysis of cellular metabolic function. METHODS: Experimental plates were seeded with cardiac myoblasts and kept in suspended animation for either 4 or 8 h at either 4(o) or 21 °C, in Celsior®, Perfadex®, or Somah storage solutions...
January 26, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28105978/simultaneous-transplantation-of-fetal-ventral-mesencephalic-tissue-and-encapsulated-genetically-modified-cells-releasing-gdnf-in-a-hemi-parkinsonian-rat-model-of-parkinson-s-disease
#15
Alberto Perez-Bouza, Stefano Di Santo, Stefanie Seiler, Morten Meyer, Lukas Andereggen, Alexander Huber, Raphael Guzman, Hans R Widmer
Transplantation of fetal ventral mesencephalic (VM) neurons for Parkinson's disease (PD) is limited by poor survival and suboptimal integration of grafted tissue into the host brain. In a 6-OHDA rat model of PD we investigated the feasibility of simultaneous transplantation of rat fetal VM tissue and polymer-encapsulated C2C12 myoblasts genetically modified to produce glial cell line-derived neurotrophic factor or mocktransfected myoblasts on graft function. Amphetamine-induced rotations were assessed prior and 2, 4, 6 and 9 weeks post-transplantation...
January 20, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28025671/retinoic-acid-maintains-human-skeletal-muscle-progenitor-cells-in-an-immature-state
#16
Marina El Haddad, Cécile Notarnicola, Brendan Evano, Nour El Khatib, Marine Blaquière, Anne Bonnieu, Shahragim Tajbakhsh, Gérald Hugon, Barbara Vernus, Jacques Mercier, Gilles Carnac
Muscle satellite cells are resistant to cytotoxic agents, and they express several genes that confer resistance to stress, thus allowing efficient dystrophic muscle regeneration after transplantation. However, once they are activated, this capacity to resist to aggressive agents is diminished resulting in massive death of transplanted cells. Although cell immaturity represents a survival advantage, the signalling pathways involved in the control of the immature state remain to be explored. Here, we show that incubation of human myoblasts with retinoic acid impairs skeletal muscle differentiation through activation of the retinoic-acid receptor family of nuclear receptor...
May 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28017376/myogenic-potential-of-mouse-embryonic-stem-cells-lacking-functional-pax7-tested-in-vitro-by-5-azacitidine-treatment-and-in-vivo-in-regenerating-skeletal-muscle
#17
Anita Helinska, Maciej Krupa, Karolina Archacka, Areta M Czerwinska, Wladyslawa Streminska, Katarzyna Janczyk-Ilach, Maria A Ciemerych, Iwona Grabowska
Regeneration of skeletal muscle relies on the presence of satellite cells. Satellite cells deficiency accompanying some degenerative diseases is the reason for the search for the "replacement cells" that can be used in the muscle therapies. Due to their unique properties embryonic stem cells (ESCs), as well as myogenic cells derived from them, are considered as a promising source of therapeutic cells. Among the factors crucial for the specification of myogenic precursor cells is Pax7 that sustains proper function of satellite cells...
January 2017: European Journal of Cell Biology
https://www.readbyqxmd.com/read/27990446/the-superior-regenerative-potential-of-muscle-derived-stem-cells-for-articular-cartilage-repair-is-attributed-to-high-cell-survival-and-chondrogenic-potential
#18
Hongshuai Li, Aiping Lu, Ying Tang, Sarah Beckman, Naoki Nakayama, Minakshi Poddar, MaCalus V Hogan, Johnny Huard
Three populations of muscle-derived cells (PP1, PP3, and PP6) were isolated from mouse skeletal muscle using modified preplate technique and retrovirally transduced with BMP4/GFP.  In vitro, the PP1 cells (fibroblasts) proliferated significantly slower than the PP3 (myoblasts) and PP6 cells (muscle-derived stem cells); the PP1 and PP6 cells showed a superior rate of survival compared with PP3 cells under oxidative stress; and the PP6 cells showed significantly superior chondrogenic capabilities than PP1 and PP3 cells...
2016: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/27931511/myod-overexpressed-equine-adipose-derived-stem-cells-enhanced-myogenic-differentiation-potential
#19
Soo-Eun Sung, Meeyul Hwang, Ah-Young Kim, Eun-Mi Lee, Eun-Joo Lee, Su-Kyeong Hwang, Shin-Yoon Kim, Hong-Kyun Kim, Kyu-Shik Jeong
Mesenchymal stem cells could potentially be used in the clinical treatment of muscle disorders and muscle regeneration. Adipose-derived stem cells (ADSCs) can be easily isolated from adipose tissue, as opposed to stem cells of other tissues. We believe that cell therapy using ADSCs could be applied to muscle disorders in horses and other species. We sought to improve the myogenic differentiation potential of equine ADSCs (eqADSCs) using a MyoD lentiviral vector. MyoD lentiviruses were transduced into eqADSCs and selected using puromycin...
November 2016: Cell Transplantation
https://www.readbyqxmd.com/read/27770546/skeletal-muscle-patch-engineering-on-synthetic-and-acellular-human-skeletal-muscle-originated-scaffolds
#20
Birol Ay, Erdal Karaoz, Cumhur C Kesemenli, Halime Kenar
The reconstruction of skeletal muscle tissue is currently performed by transplanting a muscle tissue graft from local or distant sites of the patient's body, but this practice leads to donor site morbidity in case of large defects. With the aim of providing an alternative treatment approach, skeletal muscle tissue formation potential of human myoblasts and human menstrual blood derived mesenchymal stem cells (hMB-MSCs) on synthetic [poly(l-lactide-co-caprolactone), 70:30] scaffolds with oriented microfibers, human muscle extracellular matrix (ECM), and their hybrids was investigated in this study...
March 2017: Journal of Biomedical Materials Research. Part A
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