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https://www.readbyqxmd.com/read/28726188/a-lncrna-promotes-myoblast-proliferation-by-up-regulating-gh1
#1
Yingwei Yue, Congfei Jin, Mingming Chen, Linlin Zhang, Xinfeng Liu, Wenzhi Ma, Hong Guo
Long noncoding RNAs (lncRNAs) are key regulatory factors for gene expression in a variety of biological processes; however, the role of lncRNAs in muscle formation and development is poorly understood, particularly in cattle. Here, we identified a highly expressed lncRNA in muscle, lncYYW, by high-throughput sequencing in bovine longissimus, scapular, intercostal, and gluteus muscles. The expression of lncYYW increased gradually during myoblast differentiation. Overexpression of lncYYW increased the number of cells in the DNA synthesis (S) stage of the cell cycle and upregulated the expression of two well-established myogenic markers, myogenin and myosin heavy chain...
July 19, 2017: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/28723591/molecular-characterization-and-expression-analysis-of-the-myostatin-gene-and-its-association-with-growth-traits-in-noble-scallop-chlamys-nobilis
#2
Sigang Fan, Youhou Xu, Baosuo Liu, Wenyao He, Bo Zhang, Jiaqi Su, Dahui Yu
Myostatin (MSTN), also called growth and differentiation factor-8 (GDF-8), is a member of the transforming growth factor-β (TGF-β) superfamily and an inhibitor of muscle differentiation and growth. In this report, we identified and characterized a MSTN gene (CnMSTN) from the scallop Chlamys nobilis. The open reading frame of CnMSTN was 1374bp in length, encoding 457 amino acids. The structure of CnMSTN included a putative signal peptide, a TGF-β propeptide domain, and a conserved TGF-β domain. Phylogenetic analysis showed that the CnMSTN gene was clustered in the same subgroup with the MSTN gene found in Mollusca...
July 16, 2017: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/28723226/improving-the-quality-and-safety-of-frozen-muscle-foods-by-emerging-freezing-technologies-a-review
#3
Ximing Zhan, Da-Wen Sun, Zhiwei Zhu, Qi-Jin Wang
Freezing is one of the most widespread used preservation methods for meats including fish meat. Traditional freezing methods such as air blast freezing and cryogenic freezing could induce some quality deterioration such as damage to cell structure, increased drip loss and poor sensory value. Therefore, novel freezing methods have been developed to minimize the disadvantages of traditional freezing methods. This review describes the enhancement of quality attributes of muscle tissues frozen by novel freezing technologies, including high pressure freezing, electrically and magnetically assisted freezing, ultrasound assisted freezing and antifreeze protein...
July 19, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28716034/growth-arrest-specific-gene-2-in-tilapia-oreochromis-niloticus-molecular-characterization-and-functional-analysis-under-low-temperature-stress
#4
ChangGeng Yang, Fan Wu, Xing Lu, Ming Jiang, Wei Liu, Lijuan Yu, Juan Tian, Hua Wen
BACKGROUND: Growth arrest specific 2 (gas2) gene is a component of the microfilament system that plays a major role in the cell cycle, regulation of microfilaments, and cell morphology during apoptotic processes. However, little information is available on fish gas2. In this study, the tilapia (Oreochromis niloticus) gas2 gene was cloned and characterized for the first time. RESULTS: The open reading frame was 1020 bp, encoding 340 amino acids; the 5'-untranslated region (UTR) was 140 bp and the 3'-UTR was 70 bp, with a poly (A) tail...
July 17, 2017: BMC Molecular Biology
https://www.readbyqxmd.com/read/28711487/aucubin-promotes-angiogenesis-via-estrogen-receptor-beta-in-a-mouse-model-of-hindlimb-ischemia
#5
Lu Chen, Yue Yang, Lusha Zhang, Chunxiao Li, Joel Wake Coffie, Xiao Geng, Lizhen Qiu, Xingyu You, Zhirui Fang, Min Song, Xiumei Gao, Hong Wang
Aucubin (AU) is an iridoid glycoside that has been shown to display estrogenic properties and has various pharmacological effects. Herein, we described the angiogenic properties of AU. In the study, hindlimb ischemia was induced by ligation of femoral artery on the right leg of ovariectomized mice. AU treatment significantly accelerated perfusion recovery and reduced tissue injury in mice muscle. Quantification of CD31-positive vessels in hindlimb muscles provided evidences that AU promoted angiogenesis in peripheral ischemia...
July 12, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28710369/the-adipokine-leptin-modulates-adventitial-pericyte-functions-by-autocrine-and-paracrine-signalling
#6
Federica Riu, Sadie C Slater, Eva Jover Garcia, Iker Rodriguez-Arabaolaza, Valeria Alvino, Elisa Avolio, Giuseppe Mangialardi, Andrea Cordaro, Simon Satchell, Carlo Zebele, Andrea Caporali, Gianni Angelini, Paolo Madeddu
Transplantation of adventitial pericytes (APCs) improves recovery from tissue ischemia in preclinical animal models by still unknown mechanisms. This study investigates the role of the adipokine leptin (LEP) in the regulation of human APC biological functions. Transcriptomic analysis of APCs showed components of the LEP signalling pathway are modulated by hypoxia. Kinetic studies indicate cultured APCs release high amounts of immunoreactive LEP following exposure to hypoxia, continuing upon return to normoxia...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28708846/sex-pregnancy-and-aortic-disease-in-marfan-syndrome
#7
Marjolijn Renard, Laura Muiño-Mosquera, Elise C Manalo, Sara Tufa, Eric J Carlson, Douglas R Keene, Julie De Backer, Lynn Y Sakai
BACKGROUND: Sex-related differences as well as the adverse effect of pregnancy on aortic disease outcome are well-established phenomena in humans with Marfan syndrome (MFS). The underlying mechanisms of these observations are largely unknown. OBJECTIVES: In an initial (pilot) step we aimed to confirm the differences between male and female MFS patients as well as between females with and without previous pregnancy. We then sought to evaluate whether these findings are recapitulated in a pre-clinical model and performed in-depth cardiovascular phenotyping of mutant male and both nulliparous and multiparous female Marfan mice...
2017: PloS One
https://www.readbyqxmd.com/read/28708285/various-led-wavelengths-affected-myofiber-development-and-satellite-cell-proliferation-of-chick-embryos-via-the-igf-1-signaling-pathway
#8
Yao Wang, Xinjie Bai, Zixu Wang, Jing Cao, Yulan Dong, Yanjun Dong, Yaoxing Chen
An effect of monochromatic light illumination on muscle mass has been discovered in chickens; however, its effect on the development of embryonic muscle remains unclear. Our previous studies demonstrated that monochromatic green light promoted satellite cell proliferation and muscle growth in post-hatching broilers. In this study, we investigated the effects and mechanisms of monochromatic light exposure on muscle development in late-embryogenesis. Seven hundred and fifty (750) fertile broiler eggs were randomly assigned to blue (B-group), green (G-group), red (R-group), white (W-group) lights or darkness (D-group) throughout the incubation period...
July 14, 2017: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/28702480/dataset-on-transcriptional-profiles-and-the-developmental-characteristics-of-pdgfr%C3%AE-expressing-lung-fibroblasts
#9
Mehari Endale, Shawn Ahlfeld, Erik Bao, Xiaoting Chen, Jenna Green, Zach Bess, Matthew Weirauch, Yan Xu, Anne Karina Perl
The following data are derived from key stages of acinar lung development and define the developmental role of lung interstitial fibroblasts expressing platelet-derived growth factor alpha (PDGFRα). This dataset is related to the research article entitled "Temporal, spatial, and phenotypical changes of PDGFRα expressing fibroblasts during late lung development" (Endale et al., 2017) [1]. At E16.5 (canalicular), E18.5 (saccular), P7 (early alveolar) and P28 (late alveolar), PDGFRα(GFP) mice, in conjunction with immunohistochemical markers, were utilized to define the spatiotemporal relationship of PDGFRα(+) fibroblasts to endothelial, stromal and epithelial cells in both the proximal and distal acinar lung...
August 2017: Data in Brief
https://www.readbyqxmd.com/read/28701357/a-tale-of-two-niches-differential-functions-for-vcam-1-in-satellite-cells-under-basal-and-injured-conditions
#10
Hyo-Jung Choo, James P Canner, Katherine E Vest, Zachary Thompson, Grace K Pavlath
Cell-cell adhesion molecules play key roles in maintaining quiescence or promoting activation of various stem cells in their niche. Muscle stem cells called satellite cells (SC) are critical for skeletal muscle regeneration after injury but little is known about the role of adhesion molecules in regulating the behavior of these stem cells. Vascular cell adhesion molecule-1 (VCAM-1) is a cell-cell adhesion protein expressed on quiescent and activated SC whose function is unknown in this context. We deleted Vcam1 from SC using an inducible Cre recombinase in young mice...
July 12, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28701355/mir-4632-mediates-pdgfbb-induced-proliferation-and-anti-apoptosis-of-human-pulmonary-artery-smooth-muscle-cells-via-targeting-cjun
#11
Zhengjiang Qian, Yanjiao Li, Jidong Chen, Xiang Li, Deming Gou
MicroRNAs (miRNAs) can regulate proliferative status of pulmonary artery smooth muscle cells (PASMCs), which is a core factor modulating pulmonary vascular remodeling diseases, such as atherosclerosis and pulmonary arterial hypertension (PAH). Our previous work has shown that miR-4632, a rarely reported miRNA, is significantly downregulated in Platelet-Derived Growth Factor (PDGF)BB-stimulated human pulmonary artery smooth muscle cells (HPASMCs), yet its cell function and the underlying molecular mechanisms remain to be elucidated...
July 12, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28701315/effect-of-endurance-training-and-branched-chain-amino-acids-on-the-signaling-for-muscle-protein-synthesis-in-ckd-model-rats-fed-a-low-protein-diet
#12
Takuya Yoshida, Sachika Kakizawa, Yuri Totsuka, Miho Sugimoto, Shinji Miura, Hiromichi Kumagai
A low-protein diet (LPD) protects against the progression of renal injury in patients with chronic kidney disease (CKD). However, LPD may accelerate muscle wasting in these patients. Both exercise and branched chain amino acids (BCAA) are known to increase muscle protein synthesis by activating the mammalian target of rapamycin (mTOR) pathway. The aim of this study is to investigate whether endurance exercise and BCAA play a role for increasing muscle protein synthesis in LPD-fed CKD (5/6 nephrectomized) rats...
July 12, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28699690/microrna-let-7g-suppresses-pdgf-induced-conversion-of-vascular-smooth-muscle-cell-into-the-synthetic-phenotype
#13
Tzu-Ming Wang, Ku-Chung Chen, Po-Yuan Hsu, Hsiu-Fen Lin, Yung-Song Wang, Chien-Yuan Chen, Yi-Chu Liao, Suh-Hang H Juo
Platelet-derived growth factor (PDGF) can promote vascular smooth muscle cells (VSMCs) to switch from the quiescent contractile phenotype to synthetic phenotype, which contributes to atherosclerosis. We aimed to investigate the role of microRNA let-7g in phenotypic switching. Bioinformatics prediction was used to find let-7g target genes in the PDGF/mitogen-activated protein kinase kinase kinase 1 (MEKK1)/extracellular signal-regulated kinase (ERK)/Krüppel-like factor-4 (KLF4) signalling pathway that affects VSMC phenotypic switching...
July 12, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28698147/rip2-deficiency-attenuates-cardiac-hypertrophy-inflammation-and-fibrosis-in-pressure-overload-induced-mice
#14
Cui-Hua Zhao, Xiang Ma, Hong-Yu Guo, Peng Li, Hong-Yang Liu
Although the pathological cardiac hypertrophy presents a leading cause of morbidity and mortality worldwide, our knowledge of the molecular mechanisms underlying the disease is still poor. Here, we reported that receptor-interacting serine/threonine-protein kinase 2 (RIP2), promoting pro-inflammatory gene expression, enhanced the pathological cardiac hypertrophy in animals. The effects of RIP2 on the cardiac hypertrophy triggered by pathological stimuli have not been fully investigated. In our study, mice were subjected to aortic banding (AB) surgery to explore the pathological, echocardiographic and molecular mechanisms...
July 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28695799/effect-of-human-hepatocellular-carcinoma-hepg2-cell-derived-exosome-on-the-differentiation-of-mesenchymal-stem-cells-and-their-interaction
#15
Fei Luo, Zhao Sun, Qin Han, Chunling Xue, Chunmei Bai
Objective To investigate the effect of human hepatocellular carcinoma HepG2 cell-derived Exosome on the differentiation of mesenchymal stem cells(MSC)into cancer-associated myofibroblasts(CAF)and the impacts of CAF on liver cancer cell proliferation,migration,and invasion. Methods The protein expression of HepG2 cell-derived Exosome was detected by Western blotting. MSCs were separated from human adipose tissue and cultured with HepG2 cell-derived Exosome(100 ng/nl)to initiate differentiation. The expressions of mesenchymal markers and several interleukins were also detected by Western blotting...
June 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28693828/inhibition-of-plaque-progression-and-promotion-of-plaque-stability-by-glucagon-like-peptide-1-receptor-agonist-serial-in%C3%A2-vivo-findings-from-imap-ivus-in-watanabe-heritable-hyperlipidemic-rabbits
#16
Mitsumasa Sudo, Yuxin Li, Takafumi Hiro, Tadateru Takayama, Masako Mitsumata, Masashi Shiomi, Masahiko Sugitani, Taro Matsumoto, Hiroyuki Hao, Atsushi Hirayama
BACKGROUND AND AIMS: Glucagon-like peptide-1 (GLP-1) is thought to inhibit development of aortic atherosclerosis and plaque formation. However, whether GLP-1 stabilizes fully developed atherosclerotic plaque or alters the complicated plaque composition remains unclarified. METHODS: Ten Watanabe heritable hyperlipidemic (WHHL) rabbits were divided into GLP-1 receptor agonist treatment group and control group. After confirmation of atherosclerotic plaques in brachiocephalic arteries by iMap intravascular ultrasound (iMAP-IVUS), GLP-1 receptor agonist lixisenatide was administered to WHHL rabbits at 30 nmoL/kg/day for 12 weeks by osmotic pump...
June 23, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28693603/differential-requirement-for-satellite-cells-during-overload-induced-muscle-hypertrophy-in-growing-versus-mature-mice
#17
Kevin A Murach, Sarah H White, Yuan Wen, Angel Ho, Esther E Dupont-Versteegden, John J McCarthy, Charlotte A Peterson
BACKGROUND: Pax7+ satellite cells are required for skeletal muscle fiber growth during post-natal development in mice. Satellite cell-mediated myonuclear accretion also appears to persist into early adulthood. Given the important role of satellite cells during muscle development, we hypothesized that the necessity of satellite cells for adaptation to an imposed hypertrophic stimulus depends on maturational age. METHODS: Pax7(CreER)-R26R(DTA) mice were treated for 5 days with vehicle (satellite cell-replete, SC+) or tamoxifen (satellite cell-depleted, SC-) at 2 months (young) and 4 months (mature) of age...
July 10, 2017: Skeletal Muscle
https://www.readbyqxmd.com/read/28693471/spatial-pattern-analysis-of-nuclear-migration-in-remodelled-muscles-during-drosophila-metamorphosis
#18
Kuleesha, Lin Feng, Martin Wasser
BACKGROUND: Many human muscle wasting diseases are associated with abnormal nuclear localization. During metamorphosis in Drosophila melanogaster, multi-nucleated larval dorsal abdominal muscles either undergo cell death or are remodeled to temporary adult muscles. Muscle remodeling is associated with anti-polar nuclear migration and atrophy during early pupation followed by polar migration and muscle growth during late pupation. Muscle remodeling is a useful model to study genes involved in myonuclear migration...
July 10, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28689885/reduction-of-hydrogen-sulfide-synthesis-enzymes-cystathionine-%C3%AE-synthase-and-cystathionine-%C3%AE-lyase-in-the-colon-of-patients-with-hirschsprungs-s-disease
#19
Christian Tomuschat, Anne Marie O'Donnell, David Coyle, Prem Puri
PURPOSE: Hirschsprung's associated enterocolitis (HAEC) is the most common cause of morbidity and mortality in Hirschsprung's Disease (HSCR). The pathogenesis of HAEC is poorly understood. In recent years, there is increasing evidence that a compromised intestinal barrier function plays a major role in the pathogenesis of HAEC. Hydrogen sulfide, synthesized from L-cysteine by two key enzymes, cystathionine-β-synthase (CBS) and cystathionine-γ-lysase (CSE) is reported to play a key role in regulating gastrointestinal motility and promoting resolution of inflammation...
June 23, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28688765/ctrp9-regulates-hypoxia-mediated-human-pulmonary-artery-smooth-muscle-cell-proliferation-apoptosis-and-migration-via-tgf-%C3%AE-1-erk1-2-signaling-pathway
#20
Yong Xin Li, Lin Run, Tao Shi, Yong Jian Zhang
Hypoxia is an important risk factor for pulmonary arterial remodeling in pulmonary arterial hypertension (PAH). Vascular remodeling in hypoxia-induced PAH is driven by excessive proliferation and migration of pulmonary arterial smooth muscle cells (PASMCs). The purpose of the present study was to explore the expression of CTRP9 in rats model of hypoxia-induced PAH and investigate the effects of CTRP9 on HPASMCs function in vitro and determine the underlying mechanisms. We established a rat model of hypoxic PAH, which showed an downregulation of CTRP9 expression...
July 5, 2017: Biochemical and Biophysical Research Communications
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