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https://www.readbyqxmd.com/read/29166712/-effects-of-endostatin-pretreatment-on-fibrosis-of-human-skin-fibroblasts-and-the-mechanisms
#1
H T Ren, Y Li, S D Wang, C M Han
Objective: To explore the effects of endostatin pretreatment on fibrosis of human skin fibroblasts and the mechanisms. Methods: Human skin fibroblasts were routinely cultured in vitro, and then the cells of passage 3 to 5 were used in the following experiments. The cells were divided into blank control, endostatin, platelet-derived growth factor-BB (PDGF-BB), endostatin+ PDGF-BB, transforming growth factor-β(1) (TGF-β(1)), and endostatin+ TGF-β(1) groups according to the random number table, with 3 wells in each group...
November 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29166305/botulinum-toxin-therapy-is-syringe-type-related-to-cost-effectiveness
#2
Mark Anthony Foglietti, Lauren Wright, Alanna Foglietti-Fostyk
INTRODUCTION: Clostridium botulinum toxin is effective through cleaving presynaptic proteins at the neuromuscular junction, which prevents the release of acetylcholine and inhibits muscle contraction. Several serotypes of botulinum toxin (BT) exist; however, only 2 types have been approved by the US Food and Drug Administration for commercial and medical use, A and B. Both types of BT must be administered intramuscularly with a syringe, but the type of syringe is the injector's preference...
November 21, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29165772/pediatric-protein-metabolism-techniques-a-review
#3
G Liu, Z-G Li, H-W Wu
Some invasive techniques could be safely and ethically applied to estimate protein metabolism in children. Although these methodologies provide valuable information on whole body protein metabolism, a reflection of what is happening to thousands of protein molecules across a variety of different tissues. However, they provide little information regarding the contribution of specific tissues and proteins to the whole-body changes observed (e.g., whether the increase in protein synthesis was a result of the muscle or splanchnic tissues) which might otherwise be determined in more invasive procedures such as those with muscle biopsies...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29165388/argan-oil-as-an-effective-nutri-therapeutic-agent-in-metabolic-syndrome-a-preclinical-study
#4
Adil El Midaoui, Youssef Haddad, Younes Filali-Zegzouti, Réjean Couture
The present study aims at examining the effects of argan oil on the three main cardiovascular risk factors associated with metabolic syndrome (hypertension, insulin resistance and obesity) and on one of its main complications, neuropathic pain. Male Sprague-Dawley rats had free access to a drinking solution containing 10% d-glucose or tap water for 12 weeks. The effect of argan oil was compared to that of corn oil given daily by gavage during 12 weeks in glucose-fed rats. Glucose-fed rats showed increases in systolic blood pressure, epididymal fat, plasma levels of triglycerides, leptin, glucose and insulin, insulin resistance, tactile and cold allodynia in association with a rise in superoxide anion production and NADPH oxidase activity in the thoracic aorta, epididymal fat and gastrocnemius muscle...
November 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29165379/role-of-non-coding-rnas-in-the-etiology-of-bladder-cancer
#5
REVIEW
Caterina Gulìa, Stefano Baldassarra, Fabrizio Signore, Giuliano Rigon, Valerio Pizzuti, Marco Gaffi, Vito Briganti, Alessandro Porrello, Roberto Piergentili
According to data of the International Agency for Research on Cancer and the World Health Organization (Cancer Incidence in Five Continents, GLOBOCAN, and the World Health Organization Mortality), bladder is among the top ten body locations of cancer globally, with the highest incidence rates reported in Southern and Western Europe, North America, Northern Africa and Western Asia. Males (M) are more vulnerable to this disease than females (F), despite ample frequency variations in different countries, with a M:F ratio of 4...
November 22, 2017: Genes
https://www.readbyqxmd.com/read/29165099/recent-patents-and-formulation-of-nanopharmaceuticals-using-ultrasonication-technique
#6
Nidhi Saiwal, Mandeep Dahiya, Harish Dureja
BACKGROUND: Ultrasound (US) has the ever-rising role in the delivery of therapeutic agents that includes chemotherapeutic agents, proteins, and genetic material. The microbubbles are the cavitating gas bodies that act as the mediators through which the energy of relatively non-interactive pressure waves is accumulated to produce forces that can permeabilize cell membranes and disrupt the vesicles that carry the therapeutic agent. This shows that the microbubbles greatly enhance the delivery of smaller chemical agents, proteins and genetic material...
November 19, 2017: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/29165030/in-mammalian-skeletal-muscle-phosphorylation-of-tomm22-by-protein-kinase-csnk2-ck2-controls-mitophagy
#7
Bojana Kravic, Angelika B Harbauer, Vanina Romanello, Luca Simeone, F-Nora Vögtle, Tobias Kaiser, Marion Straubinger, Danyil Huraskin, Martin Böttcher, Cristina Cerqua, Eva Denise Martin, Daniel Poveda-Huertes, Andreas Buttgereit, Adam J Rabalski, Dieter Heuss, Rüdiger Rudolf, Oliver Friedrich, David Litchfield, Michael Marber, Leonardo Salviati, Dimitrios Mougiakakos, Winfried Neuhuber, Marco Sandri, Chris Meisinger, Said Hashemolhosseini
In yeast, Tom22 the central component of the TOMM (translocase of outer mitochondrial membrane) receptor complex is responsible for the recognition and translocation of synthesized mitochondrial precursor proteins, and its protein kinase CK2-dependent phosphorylation is mandatory for TOMM complex biogenesis and proper mitochondrial protein import. In mammals, the biological function of protein kinase CSNK2/CK2 remains vastly elusive and it is unknown whether CSNK2-dependent phosphorylation of TOMM protein subunits has a similar role as that in yeast...
November 22, 2017: Autophagy
https://www.readbyqxmd.com/read/29164111/cartilage-and-muscle-cell-fate-and-origins-during-lizard-tail-regeneration
#8
Ricardo Londono, Wei Wenzhong, Bing Wang, Rocky S Tuan, Thomas P Lozito
Introduction: Human cartilage is an avascular tissue with limited capacity for repair. By contrast, certain lizards are capable of musculoskeletal tissue regeneration following tail loss throughout all stages of their lives. This extraordinary ability is the result of a complex process in which a blastema forms and gives rise to the tissues of the regenerate. Blastemal cells have been shown to originate either from dedifferentiated tissues or from existing progenitor cells in various species, but their origin has not been determined in lizards...
2017: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/29163854/interactions-between-tgf-%C3%AE-1-canonical-wnt-%C3%AE-catenin-pathway-and-ppar-%C3%AE-in-radiation-induced-fibrosis
#9
REVIEW
Alexandre Vallée, Yves Lecarpentier, Rémy Guillevin, Jean-Noël Vallée
Radiation therapy induces DNA damage and inflammation leading to fibrosis. Fibrosis can occur 4 to 12 months after radiation therapy. This process worsens with time and years. Radiation-induced fibrosis is characterized by fibroblasts proliferation, myofibroblast differentiation, and synthesis of collagen, proteoglycans and extracellular matrix. Myofibroblasts are non-muscle cells that can contract and relax. Myofibroblasts evolve towards irreversible retraction during fibrosis process. In this review, we discussed the interplays between transforming growth factor-β1 (TGF-β1), canonical WNT/β-catenin pathway and peroxisome proliferator-activated receptor gamma (PPAR γ) in regulating the molecular mechanisms underlying the radiation-induced fibrosis, and the potential role of PPAR γ agonists...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29163762/bmal1-facilitates-trophoblast-migration-and-invasion-via-sp1-dnmt1-dab2ip-pathway-in-recurrent-spontaneous-abortion
#10
Shang Li, Junyu Zhai, Jiansheng Liu, Yan Hong, Weixiu Zhao, Aimin Zhao, Kang Sun, Yanzhi Du, Zi-Jiang Chen
The underlying mechanism about rhythms and epigenetics leading to aberrant trophoblast migration and invasion in recurrent spontaneous abortion (RSA) remains unknown. Brain and muscle ARNT-like protein 1 (BMAL1) is considered as a crucial role in fertility, and polymorphism of BMAL1 gene has been reported to be associated with risk of miscarriage. However, the functional role of BMAL1 in RSA is not fully understood. Previous study shows the descended expression of DNA 5'-cytosine-methyltransferases 1 (DNMT1) in the villous of early pregnancy loss...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29163634/evidence-suggesting-absence-of-mitochondrial-dna-methylation
#11
Mie Mechta, Lars R Ingerslev, Odile Fabre, Martin Picard, Romain Barrès
Methylation of nuclear genes encoding mitochondrial proteins participates in the regulation of mitochondria function. The existence of cytosine methylation in the mitochondrial genome is debated. To investigate whether mitochondrial DNA (mtDNA) is methylated, we used both targeted- and whole mitochondrial genome bisulfite sequencing in cell lines and muscle tissue from mouse and human origin. While unconverted cytosines were detected in some portion of the mitochondrial genome, their abundance was inversely associated to the sequencing depth, indicating that sequencing analysis can bias the estimation of mtDNA methylation levels...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/29163382/immune-cell-responses-and-cytokine-profile-in-intestines-of-mice-infected-with-trichinella-spiralis
#12
Jing Ding, Xue Bai, Xuelin Wang, Haining Shi, Xuepeng Cai, Xuenong Luo, Mingyuan Liu, Xiaolei Liu
The intestinal phase is critical for trichinellosis caused by Trichinella spiralis (T. spiralis), as it determines both process and consequences of the disease. Several previous studies have reported that T. spiralis induces the initial predominance of a Th1 response during the intestine stage and a subsequent predominance of a Th2 response during the muscle stage. In the present study, immune cells and cytokine profile were investigated in the intestine of mice infected with T. spiralis. The results showed that the number of eosinophils, goblet cells, mucosal mast cells, and 33D1+ dendritic cells (DCs) increased during the intestinal phase of the infection...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29163212/regulation-of-skeletal-muscle-plasticity-by-protein-arginine-methyltransferases-and-their-potential-roles-in-neuromuscular-disorders
#13
REVIEW
Derek W Stouth, Tiffany L vanLieshout, Nicole Y Shen, Vladimir Ljubicic
Protein arginine methyltransferases (PRMTs) are a family of enzymes that catalyze the methylation of arginine residues on target proteins, thereby mediating a diverse set of intracellular functions that are indispensable for survival. Indeed, full-body knockouts of specific PRMTs are lethal and PRMT dysregulation has been implicated in the most prevalent chronic disorders, such as cancers and cardiovascular disease (CVD). PRMTs are now emerging as important mediators of skeletal muscle phenotype and plasticity...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29163205/localization-and-interaction-between-kinin-b1-receptor-and-nadph-oxidase-in-the-vascular-system-of-diabetic-rats
#14
Youssef Haddad, Réjean Couture
Kinin B1 receptor (B1R) enhanced superoxide anion ([Formula: see text]) production in the vasculature of diabetic rats. This study investigates the induction and distribution of B1R in diabetic blood vessels and addresses the hypothesis that B1R is co-localized with NADPH oxidase (NOX1 and NOX2) and produces its activation via protein kinase C (PKC). Diabetes was induced in rats with streptozotocin (STZ 65 mg.kg(-1), i.p.). Two weeks later, the production of [Formula: see text] was measured in aorta rings in response to the B1R agonist (Sar[D-Phe(8)]-des-Arg(9)-BK, 20 μM) by the method of lucigenin-enhanced chemiluminescence...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29162882/sublethal-effects-of-imidacloprid-on-targeting-muscle-and-ribosomal-protein-related-genes-in-the-honey-bee-apis-mellifera-l
#15
Yan-Yan Wu, Qi-Hua Luo, Chun-Sheng Hou, Qiang Wang, Ping-Li Dai, Jing Gao, Yong-Jun Liu, Qing-Yun Diao
A sublethal concentration of imidacloprid can cause chronic toxicity in bees and can impact the behavior of honey bees. The nectar- and water-collecting, and climbing abilities of bees are crucial to the survival of the bees and the execution of responsibilities in bee colonies. Besides behavioral impact, data on the molecular mechanisms underlying the toxicity of imidacloprid, especially by the way of RNA-seq at the transcriptomic level, are limited. We treated Apis mellifera L. with sublethal concentrations of imidacloprid (0...
November 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29162721/loss-of-%C3%AE-b-crystallin-function-in-zebrafish-reveals-critical-roles-in-the-development-of-the-lens-and-stress-resistance-of-the-heart
#16
Sanjay Mishra, Shu-Yu Wu, Alexandra W Fuller, Zhen Wang, Kristie L Rose, Kevin L Schey, Hassane S Mchaourab
Genetic mutations in the human small heat shock protein αB-crystallin have been implicated in autosomal cataracts and skeletal myopathies, including heart muscle diseases (cardiomyopathy). While these mutations lead to modulation of their chaperone activity in vitro, the in vivo functions of αB-crystallin in the maintenance of both lens transparency and muscle integrity remain unclear. This lack of information has hindered a mechanistic understanding of these diseases. To better define the functional roles of αB-crystallin, we generated loss-of-function zebrafish mutant lines by utilizing CRISPR/Cas9 system to specifically disrupt the two αB-crystallin genes, αBa and αBb We observed lens abnormalities in the mutant lines of both genes and the penetrance of the lens phenotype was higher in αBa than αBb mutants...
November 21, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29162011/skeletal-muscle-injury-biomarkers-assay-qualification-efforts-and-translation-to-the-clinic
#17
Richard A Goldstein
Skeletal muscle (SKM) injury or myopathy results in structural or functional defects in SKMs that can be caused by variety of factors such as (1) genetic, (2) drug-induced, (3) disease progression (cachexia), or (4) aging (sarcopenia). Creatine kinase (CK) and aspartate transaminase (AST) activity assays have been routinely used as SKM injury biomarkers, but they lack sensitivity and tissue specificity. In collaboration with the Predictive Safety Testing Consortium, we evaluated the diagnostic performance of a muscle injury biomarker panel (MIP) compared to CK and AST and their correlation with the histology scores across 34 different rat studies...
October 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/29161755/kv-1-channel-expression-and-vasomotor-function-in-human-coronary-resistance-arteries
#18
Yoshinori Nishijima, Ankush Korishettar, Dawid S Chabowski, Sheng Cao, Xiaodong Zheng, David D Gutterman, David X Zhang
OBJECTIVES: KV channels are important regulators of vascular tone, but the identity of specific KV channels involved and their regulation in disease remain less well understood. We determined the expression of KV 1 channel subunits and their role in cAMP-mediated dilation in coronary resistance arteries from subjects with and without coronary artery disease (CAD). METHODS: Human coronary arteries and arterioles (HCA) from non-CAD and CAD patients were assessed for mRNA and protein expression of KV 1 channel subunits with molecular techniques and for vasodilator response with isolated arterial myography...
November 21, 2017: Microcirculation: the Official Journal of the Microcirculatory Society, Inc
https://www.readbyqxmd.com/read/29161332/osteoglycin-inhibition-by-microrna-mir-155-impairs-myogenesis
#19
Paula Paccielli Freire, Sarah Santiloni Cury, Grasieli de Oliveira, Geysson Javier Fernandez, Leonardo Nazario Moraes, Bruno Oliveira da Silva Duran, Juarez Henrique Ferreira, César Seigi Fuziwara, Edna Teruko Kimura, Maeli Dal-Pai-Silva, Robson Francisco Carvalho
Skeletal myogenesis is a regulated process in which mononucleated cells, the myoblasts, undergo proliferation and differentiation. Upon differentiation, the cells align with each other, and subsequently fuse to form terminally differentiated multinucleated myotubes. Previous reports have identified the protein osteoglycin (Ogn) as an important component of the skeletal muscle secretome, which is expressed differentially during muscle development. However, the posttranscriptional regulation of Ogn by microRNAs during myogenesis is unknown...
2017: PloS One
https://www.readbyqxmd.com/read/29160796/role-of-galectin-3-in-bone-cell-differentiation-bone-pathophysiology-and-vascular-osteogenesis
#20
REVIEW
Carla Iacobini, Claudia Blasetti Fantauzzi, Giuseppe Pugliese, Stefano Menini
Galectin-3 is expressed in various tissues, including the bone, where it is considered a marker of chondrogenic and osteogenic cell lineages. Galectin-3 protein was found to be increased in the differentiated chondrocytes of the metaphyseal plate cartilage, where it favors chondrocyte survival and cartilage matrix mineralization. It was also shown to be highly expressed in differentiating osteoblasts and osteoclasts, in concomitance with expression of osteogenic markers and Runt-related transcription factor 2 and with the appearance of a mature phenotype...
November 21, 2017: International Journal of Molecular Sciences
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