44,883 results match your criteria differentiated muscle

The anatomical sources of neointimal cells in the arteriovenous fistula.

J Vasc Access 2021 May 7:11297298211011875. Epub 2021 May 7.

DeWitt Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, FL, USA.

Neointimal cells are an elusive population with ambiguous origins, functions, and states of differentiation. Expansion of the venous intima in arteriovenous fistula (AVF) is one of the most prominent remodeling processes in the wall after access creation. However, most of the current knowledge about neointimal cells in AVFs comes from extrapolations from the arterial neointima in non-AVF systems. Read More

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PTEN and α-SMA Expression and Diagnostic Role in Oral Submucous Fibrosis and Oral Squamous Cell Carcinoma with Concomitant Oral Submucous Fibrosis.

J Oral Maxillofac Res 2021 Jan-Mar;12(1):e3. Epub 2021 Mar 31.

Department of Oral and Maxillofacial Pathology and Oral Microbiology, SDM College of Dental Sciences and Hospital, DharwadIndia.

Objectives: The diagnostic role and correlation between phosphatase and tensin homologue and alpha-smooth muscle actin in oral submucous fibrosis and oral squamous cell carcinoma with concomitant oral submucous fibrosis was analysed by this case control study. The mechanism by which phosphatase and tensin homologue controls myofibroblast expression was also evaluated.

Material And Methods: Overall, 10 normal mucosa, 30 oral submucous fibrosis (OSF) and 30 oral squamous cell carcinoma (OSCC) with OSF were stained immunohistochemically with phosphatase and tensin homologue (PTEN) and alpha-smooth muscle actin (α-SMA). Read More

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Small heat-shock protein HSPB3 promotes myogenesis by regulating the lamin B receptor.

Cell Death Dis 2021 May 6;12(5):452. Epub 2021 May 6.

Centre for Neuroscience and Nanotechnology, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 41125, Modena, Italy.

One of the critical events that regulates muscle cell differentiation is the replacement of the lamin B receptor (LBR)-tether with the lamin A/C (LMNA)-tether to remodel transcription and induce differentiation-specific genes. Here, we report that localization and activity of the LBR-tether are crucially dependent on the muscle-specific chaperone HSPB3 and that depletion of HSPB3 prevents muscle cell differentiation. We further show that HSPB3 binds to LBR in the nucleoplasm and maintains it in a dynamic state, thus promoting the transcription of myogenic genes, including the genes to remodel the extracellular matrix. Read More

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Transferrin receptor 1 ablation in satellite cells impedes skeletal muscle regeneration through activation of ferroptosis.

J Cachexia Sarcopenia Muscle 2021 May 6. Epub 2021 May 6.

Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China.

Background: Satellite cells (SCs) are critical to skeletal muscle regeneration. Inactivation of SCs is linked to skeletal muscle loss. Transferrin receptor 1 (Tfr1) is associated with muscular dysfunction as muscle-specific deletion of Tfr1 results in growth retardation, metabolic disorder, and lethality, shedding light on the importance of Tfr1 in muscle physiology. Read More

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[Corrigendum] Combination treatment of adipose‑derived stem cells and adiponectin attenuates pulmonary arterial hypertension in rats by inhibiting pulmonary arterial smooth muscle cell proliferation and regulating the AMPK/BMP/Smad pathway.

Int J Mol Med 2021 Jul 6;48(1). Epub 2021 May 6.

Fujian Hypertension Research Institute, The First Affiliated Hospital ofFujian Medical University, Fuzhou, Fujian 350005, P.R. China.

Following the publication of the above article, an interested reader drew the authors' attention that the data featured in Fig. 1B (for adipogenic differentiation of adipose‑derived stem cells) and Fig. 1F (for expression of green fluorescent protein of adipose‑derived stem cells) of the above article appeared to have already been published as Fig. Read More

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[Roles of growth factors on vascular remodeling in pulmonary hypertension].

Nihon Yakurigaku Zasshi 2021 ;156(3):161-165

Department of Physiology, Aichi Medical University.

Pulmonary hypertension (PH) is defined as mean pulmonary arterial pressure at rest ≥25 mmHg. Pulmonary arterial hypertension (PAH) is classified as group 1 of PH and is a progressive and fatal disease of the pulmonary artery. The pathogenesis is sustained pulmonary vasoconstriction and pulmonary vascular remodeling, which cause progressive elevations in pulmonary vascular resistance and pulmonary arterial pressure. Read More

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January 2021

Maturing heart muscle cells: Mechanisms and transcriptomic insights.

Semin Cell Dev Biol 2021 May 2. Epub 2021 May 2.

Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; Department of Cell Biology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; Institute of Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; Cellular and Molecular Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA. Electronic address:

Cardiomyocyte (CM) maturation is the transformation of differentiated fetal CMs into adult CMs that involves changes in morphology, cell function and metabolism, and the transcriptome. This process is, however, incomplete and ultimately arrested in pluripotent stem cell-derived CMs (PSC-CMs) in culture, which hinders their broad biomedical application. For this reason, enormous efforts are currently being made with the goal of generating mature PSC-CMs. Read More

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Targeting microRNA-mediated gene repression limits adipogenic conversion of skeletal muscle mesenchymal stromal cells.

Cell Stem Cell 2021 Apr 27. Epub 2021 Apr 27.

Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA; Paul F. Glenn Center for the Biology of Aging, Stanford University School of Medicine, Stanford, CA 94305, USA; Center for Tissue Regeneration, Repair and Restoration, Veterans Affairs Palo Alto Health Care System, Palo Alto, CA 94304, USA. Electronic address:

Intramuscular fatty deposits, which are seen in muscular dystrophies and with aging, negatively affect muscle function. The cells of origin of adipocytes constituting these fatty deposits are mesenchymal stromal cells, fibroadipogenic progenitors (FAPs). We uncover a molecular fate switch, involving miR-206 and the transcription factor Runx1, that controls FAP differentiation to adipocytes. Read More

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miR-25-5p regulates endothelial progenitor cell differentiation in response to shear stress through targeting ABCA1.

Cell Biol Int 2021 May 4. Epub 2021 May 4.

Department of Neurosurgery, Changhai Hospital of Shanghai affiliated to Naval Military Medical University, Shanghai, 200433, China.

The importance of flow shear stress (SS) on the differentiation of endothelial progenitor cells (EPCs) has been demonstrated in various studies. Cholesterol retention and miRNA regulation have been also proposed as relevant factors involved in this process, though evidence regarding their regulatory roles in the differentiation of EPCs is currently lacking. In the present study on high shear stress (HSS)-induced differentiation of EPCs, we investigated the importance of ABCA1, an important regulator in cholesterol efflux, and miR-25-5p, a potential regulator of endothelial reconstruction. Read More

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Draft Genome of the Korean smelt Hypomesus nipponensis and its transcriptomic responses to heat stress in the liver and muscle.

G3 (Bethesda) 2021 May 4. Epub 2021 May 4.

Department of Applied Animal Science, College of Animal Life Sciences, Kangwon National University, Chuncheon 24341, Kangwon-do, Republic of Korea.

Pond smelt (Hypomesus nipponensis) is a cold-freshwater fish species as a winter economic resource of aquaculture in South Korea. Due to its high susceptibility to abnormal water temperature from global warming, a large number of smelt die in hot summer. Here, we present the first draft genome of H. Read More

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A novel lncRNA promotes myogenesis of bovine skeletal muscle satellite cells via PFN1-RhoA/Rac1.

J Cell Mol Med 2021 May 4. Epub 2021 May 4.

Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin, China.

Myogenesis, the process of skeletal muscle formation, is a highly coordinated multistep biological process. Accumulating evidence suggests that long non-coding RNAs (lncRNAs) are emerging as a gatekeeper in myogenesis. Up to now, most studies on muscle development-related lncRNAs are mainly focussed on humans and mice. Read More

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Biomarkers and heterogeneous fibroblast phenotype associated with incisional hernia.

Mol Cell Biochem 2021 May 4. Epub 2021 May 4.

Department of Translational Research, Western University of Health Sciences, 309 E. Second Street, Pomona, CA, 91766, USA.

Development of incisional hernia (IH) is multifactorial but inflammation and abdominal wall ECM (extracellular matrix) disorganization are key pathological events. We investigated if the differential expression of fibroblast biomarkers reflects the cellular milieu and the dysregulated ECM in IH tissues. Expression of fibroblast biomarkers, including connective tissue growth factor, alpha-smooth muscle actin (α-SMA), CD34 (cluster of differentiation 34), cadherin-11 and fibroblast specific protein 1 (FSP1), was examined by histology and immunofluorescence in the hernial-fascial ring/neck tissue (HRT) and hernia sack tissue (HST) harvested from the patients undergoing hernia surgery and compared with normal fascia (FT) and peritoneum (PT) harvested from brain-dead healthy subjects undergoing organ procurement for transplantation. Read More

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Rbm24 displays dynamic functions required for myogenic differentiation during muscle regeneration.

Sci Rep 2021 May 3;11(1):9423. Epub 2021 May 3.

Laboratory of Developmental Biology (LBD), CNRS UMR7622, Institut de Biologie Paris-Seine (IBPS), Sorbonne Université, 75005, Paris, France.

Skeletal muscle has a remarkable capacity of regeneration after injury, but the regulatory network underlying this repair process remains elusive. RNA-binding proteins play key roles in the post-transcriptional regulation of gene expression and the maintenance of tissue homeostasis and plasticity. Rbm24 regulates myogenic differentiation during early development, but its implication in adult muscle is poorly understood. Read More

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Human muscle production in vitro from pluripotent stem cells: Basic and clinical applications.

Semin Cell Dev Biol 2021 Apr 30. Epub 2021 Apr 30.

Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA; Department of Genetics, Harvard Medical School, Boston, MA, USA; Harvard Stem Cell Institute, Boston, MA, USA. Electronic address:

Human pluripotent stem cells (PSCs), which have the capacity to self-renew and differentiate into multiple cell types, offer tremendous therapeutic potential and invaluable flexibility as research tools. Recently, remarkable progress has been made in directing myogenic differentiation of human PSCs. The differentiation strategies, which were inspired by our knowledge of myogenesis in vivo, have provided an important platform for the study of human muscle development and modeling of muscular diseases, as well as a promising source of cells for cell therapy to treat muscular dystrophies. Read More

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Protocol for RNA-seq library preparation starting from a rare muscle stem cell population or a limited number of mouse embryonic stem cells.

STAR Protoc 2021 Jun 15;2(2):100451. Epub 2021 Apr 15.

Laboratory of Muscle Stem Cells and Gene Regulation, NIAMS, NIH, Bethesda, MD 20892, USA.

It remains challenging to generate reproducible, high-quality cDNA libraries from RNA derived from rare cell populations. Here, we describe a protocol for high-throughput RNA-seq library preparation, including isolation of 200 skeletal muscle stem cells from mouse tibialis anterior muscle by fluorescence-activated cell sorting and cDNA preparation. We also describe RNA extraction and cDNA preparation from differentiating mouse embryonic stem cells. Read More

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Dietary Polysaccharides Supplementation Improves Breast Muscle Yield and Is Associated With Modification of mRNA Transcriptome in Broiler Chickens.

Front Vet Sci 2021 16;8:663988. Epub 2021 Apr 16.

Department of Animal Science, College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, China.

The present study evaluated the effects of dietary supplementation of polysaccharides (EP) on carcass traits of broilers and potential molecular mechanisms associated with it. This study used RNA-Sequencing (RNA-Seq) to detect modification in mRNA transcriptome and the cognate biological pathways affecting the carcass traits. A total of 396 one-day-old male broilers (Arbor Acres) were randomly assigned to one of six dietary treatments containing EP at 0 (CON), 1000 (EP_1000), 2500 (EP_2500), 4000 (EP_4000), 5500 (EP_5500), and 7000 (EP_7000) mg/kg levels for a 35-d feeding trial with 6 replicates/treatment. Read More

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Propionate hampers differentiation and modifies histone propionylation and acetylation in skeletal muscle cells.

Mech Ageing Dev 2021 Apr 28;196:111495. Epub 2021 Apr 28.

Human and Animal Physiology, Wageningen University and Research, PO Box 338, 6700 AH, Wageningen, the Netherlands. Electronic address:

Protein acylation via metabolic acyl-CoA intermediates provides a link between cellular metabolism and protein functionality. A process in which acetyl-CoA and acetylation are fine-tuned is during myogenic differentiation. However, the roles of other protein acylations remain unknown. Read More

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Cross-talk between motor neurons and myotubes via endogenously secreted neural and muscular growth factors.

Physiol Rep 2021 Apr;9(8):e14791

Musculoskeletal Science & Sports Medicine Research Centre, Department of Life Sciences, Manchester Metropolitan University, Manchester, UK.

Neuromuscular junction (NMJ) research is vital to advance the understanding of neuromuscular patho-physiology and development of novel therapies for diseases associated with NM dysfunction. In vivo, the micro-environment surrounding the NMJ has a significant impact on NMJ formation and maintenance via neurotrophic and differentiation factors that are secreted as a result of cross-talk between muscle fibers and motor neurons. Recently we showed the formation of functional NMJs in vitro in a co-culture of immortalized human myoblasts and motor neurons from rat-embryo spinal-cord explants, using a culture medium free from serum and neurotrophic or growth factors. Read More

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Nkx2-3 induces autophagy inhibiting proliferation and migration of vascular smooth muscle cells via AMPK/mTOR signaling pathway.

J Cell Physiol 2021 Apr 30. Epub 2021 Apr 30.

Department of Cardiology, Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.

Vascular remodeling and restenosis are common complications after percutaneous coronary intervention. Excessive proliferation and migration of vascular smooth muscle cells (VSMCs) play important roles in intimal hyperplasia-induced vascular restenosis. NK2 Homeobox 3 (Nkx2-3), a critical member of Nkx family, is involved in tissue differentiation and organ development. Read More

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Protocol for the Use of a Novel Bioreactor System for Hydrated Mechanical Testing, Strained Sterile Culture, and Force of Contraction Measurement of Tissue Engineered Muscle Constructs.

Front Cell Dev Biol 2021 13;9:661036. Epub 2021 Apr 13.

Translational Tissue Engineering Center, Johns Hopkins University School of Medicine, Baltimore, MD, United States.

Bioreactor systems are built as controlled environments for biological processes and utilized in the field of tissue engineering to apply mechanical, spatial, and chemical cues to developing tissue grafts. Often the systems are applied to instruct differentiation and maturation of the cells grown inside. Perhaps the most obvious targets for strain and compression-based bioreactors are mechanically active tissues, as it is hypothesized that biomimetic mechanical environments instruct immature cells to form differentiated tissues. Read More

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Abundant Synthesis of Netrin-1 in Satellite Cell-Derived Myoblasts Isolated from EDL Rather Than Soleus Muscle Regulates Fast-Type Myotube Formation.

Int J Mol Sci 2021 Apr 26;22(9). Epub 2021 Apr 26.

Laboratory of Cell and Tissue Biology, Research Faculty of Agriculture, Graduate School of Agriculture, Hokkaido University, Kita 9, Nishi 9, Kita-ku, Sapporo 060-8589, Japan.

Resident myogenic stem cells (satellite cells) are attracting attention for their novel roles in myofiber type regulation. In the myogenic differentiation phase, satellite cells from soleus muscle (slow fiber-abundant) synthesize and secrete higher levels of semaphorin 3A (Sema3A, a multifunctional modulator) than those derived from extensor digitorum longus (EDL; fast fiber-abundant), suggesting the role of Sema3A in forming slow-twitch myofibers. However, the regulatory mechanisms underlying fast-twitch myotube commitment remain unclear. Read More

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Cardio- and Neurometabolic Adipobiology: Consequences and Implications for Therapy.

Int J Mol Sci 2021 Apr 16;22(8). Epub 2021 Apr 16.

International Clinical Research Center, St. Anne's University Hospital, 656 91 Brno, Czech Republic.

Studies over the past 30 years have revealed that adipose tissue is the major endocrine and paracrine organ of the human body. Arguably, adiopobiology has taken its reasonable place in studying obesity and related cardiometabolic diseases (CMDs), including Alzheimer's disease (AD), which is viewed herein as a neurometabolic disorder. The pathogenesis and therapy of these diseases are multiplex at basic, clinical and translational levels. Read More

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Transcriptome Analysis Reveals Differential Gene Expression between the Closing Ductus Arteriosus and the Patent Ductus Arteriosus in Humans.

J Cardiovasc Dev Dis 2021 Apr 16;8(4). Epub 2021 Apr 16.

Department of Physiology, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160-8402, Japan.

The ductus arteriosus (DA) immediately starts closing after birth. This dynamic process involves DA-specific properties, including highly differentiated smooth muscle, sparse elastic fibers, and intimal thickening (IT). Although several studies have demonstrated DA-specific gene expressions using animal tissues and human fetuses, the transcriptional profiles of the closing DA and the patent DA remain largely unknown. Read More

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Adipocyte, Immune Cells, and miRNA Crosstalk: A Novel Regulator of Metabolic Dysfunction and Obesity.

Cells 2021 Apr 24;10(5). Epub 2021 Apr 24.

Department of Pharmaceutical Sciences, The University of Tennessee Health Science Center (UTHSC), 881 Madison Avenue, Memphis, TN 38103, USA.

Obesity is characterized as a complex and multifactorial excess accretion of adipose tissue (AT) accompanied with alterations in the immune response that affects virtually all age and socioeconomic groups around the globe. The abnormal accumulation of AT leads to several metabolic diseases, including nonalcoholic fatty liver disorder (NAFLD), low-grade inflammation, type 2 diabetes mellitus (T2DM), cardiovascular disorders (CVDs), and cancer. AT is an endocrine organ composed of adipocytes and immune cells, including B-Cells, T-cells and macrophages. Read More

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Weak Electromagnetic Fields Accelerate Fusion of Myoblasts.

Int J Mol Sci 2021 Apr 23;22(9). Epub 2021 Apr 23.

Åstrand Laboratory of Work Physiology, The Swedish School of Sport and Health Sciences, GIH, Box 5626, SE-114 86 Stockholm, Sweden.

Weak electromagnetic fields (WEF) alter Ca handling in skeletal muscle myotubes. Owing to the involvement of Ca in muscle development, we investigated whether WEF affects fusion of myoblasts in culture. Rat primary myoblast cultures were exposed to WEF (1. Read More

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LncMyoD Promotes Skeletal Myogenesis and Regulates Skeletal Muscle Fiber-Type Composition by Sponging miR-370-3p.

Genes (Basel) 2021 Apr 17;12(4). Epub 2021 Apr 17.

College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China.

The development of skeletal muscle is a highly ordered and complex biological process. Increasing evidence has shown that noncoding RNAs, especially long-noncoding RNAs (lncRNAs) and microRNAs, play a vital role in the development of myogenic processes. In this study, we observed that lncMyoD regulates myogenesis and changes myofiber-type composition. Read More

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Hair-Follicle-Associated Pluripotent (HAP) Stem Cells Can Extensively Differentiate to Tyrosine-Hydroxylase-Expressing Dopamine-Secreting Neurons.

Cells 2021 Apr 10;10(4). Epub 2021 Apr 10.

Department of Dermatology, Kitasato University School of Medicine, Minami Ward, Sagamihara 252-0374, Japan.

Hair-follicle-associated pluripotent (HAP) stem cells are located in the bulge area of hair follicles from mice and humans and have been shown to differentiate to neurons, glia, keratinocytes, smooth muscle cells, melanocytes and beating cardiac muscle cells in vitro. Subsequently, we demonstrated that HAP stem cells could effect nerve and spinal-cord regeneration in mouse models, differentiating to Schwann cells and neurons in this process. HAP stem cells can be banked by cryopreservation and preserve their ability to differentiate. Read More

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Implications of the Wilms' Tumor Suppressor Wt1 in Cardiomyocyte Differentiation.

Int J Mol Sci 2021 Apr 21;22(9). Epub 2021 Apr 21.

CNRS, INSERM, iBV, Université Côte d'Azur, 06107 Nice, France.

The Wilms' tumor suppressor Wt1 is involved in multiple developmental processes and adult tissue homeostasis. The first phenotypes recognized in Wt1 knockout mice were developmental cardiac and kidney defects. Wt1 expression in the heart has been described in epicardial, endothelial, smooth muscle cells, and fibroblasts. Read More

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Mitophagy in Human Diseases.

Int J Mol Sci 2021 Apr 9;22(8). Epub 2021 Apr 9.

Instituto de Investigaciones Biomédicas "Alberto Sols" (CSIC-UAM), Arturo Duperier 4, 28029 Madrid, Spain.

Mitophagy is a selective autophagic process, essential for cellular homeostasis, that eliminates dysfunctional mitochondria. Activated by inner membrane depolarization, it plays an important role during development and is fundamental in highly differentiated post-mitotic cells that are highly dependent on aerobic metabolism, such as neurons, muscle cells, and hepatocytes. Both defective and excessive mitophagy have been proposed to contribute to age-related neurodegenerative diseases, such as Parkinson's and Alzheimer's diseases, metabolic diseases, vascular complications of diabetes, myocardial injury, muscle dystrophy, and liver disease, among others. Read More

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The Effects of Muscle Cell Aging on Myogenesis.

Int J Mol Sci 2021 Apr 2;22(7). Epub 2021 Apr 2.

Department of Physiology, Medical School, National and Kapodistrian University of Athens, 75 MicrasAsias, 115 27 Goudi-Athens, Greece.

The process of myogenesis gradually deteriorates as the skeletal muscle ages, contributing to muscle mass loss. The aim of this study is to investigate the effect of senescence/aging on skeletal myogenesis, in vitro. A model of multiple cell divisions of C2C12 myoblasts was used to replicate cell senescence. Read More

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