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muscle development

A Rampello, P Papi, G Pompa, A Rampello, A Polimeni, C Di Paolo
OBJECTIVE: The aim of this study was to evaluate functionality and clinical application of a novel immediate device in the treatment of temporomandibular disorders (TMDs). To address the research purpose, authors developed and implemented a randomized control clinical trial. PATIENTS AND METHODS: Eighty patients were enrolled in this study and were randomly divided into two subgroups based on the treatment applied: patient group (PG) and control group (CG). The CG was not subjected to any kind of treatment, even placebo, in order to be able to assess the spontaneous development of the pathology over time...
March 2018: European Review for Medical and Pharmacological Sciences
Yanwei Xing, Zhiwei Zhao, Yuekun Zhu, Liangliang Zhao, Anlong Zhu, Daxun Piao
The objective of this study was to identify potentially significant genes and long non-coding RNAs (lncRNAs) in colon cancer for a panel of lncRNA signatures that could be used as prognostic markers for colon adenocarcinoma (COAD) based on the data from The Cancer Genome Atlas (TCGA). RNA-seq V2 exon data of COAD were downloaded from the TCGA data portal for 285 tumor samples and 41 normal tissue samples adjacent to tumors. Differentially expressed mRNAs and lncRNAs were identified. A functional enrichment analysis of differentially expressed mRNAs was performed, followed by protein-protein interaction (PPI) network construction and significant module selection...
May 2018: Oncology Reports
Matthias A König, Bronek M Boszczyk
OBJECTIVE: 360 degrees in-situ fusion for high-grade spondylolisthesis showed satisfying clinical long-term results. Combining anterior with posterior surgery increases fusion rates. Anteriorly inserted transvertebral HMA screws could be an alternative to strut graft constructs or cages, avoiding donor site complications. In addition, complete posterior muscle detachment is avoided and the injury risk of neural structures is minimized. This study investigates the use of HMA screws in this context...
March 22, 2018: British Journal of Neurosurgery
Rodney C Wade, Robert M Lester, Ashraf S Gorgey
The purposes of this study were to cross-validate a previously derived anthropometric estimation equation specific to the spinal cord injury population and determine the ratios of absolute skeletal muscle cross-sectional area (CSA) for the quadriceps, hamstrings, and adductor muscle groups based on magnetic resonance imaging. The validation cohort consisted of eleven men with chronic (>1 yr. post injury) spinal cord injury (SCI). Ten individuals were classified as AIS A or B and one participant was classified as an AIS C...
March 21, 2018: International Journal of Sports Medicine
Estela G García-González, Bladimir Roque-Ramirez, Carlos Palma-Flores, J Manuel Hernández-Hernández
Epigenetic regulation is achieved at many levels by different factors such as tissue-specific transcription factors, members of the basal transcriptional apparatus, chromatin-binding proteins, and noncoding RNAs. Importantly, chromatin structure dictates the availability of a specific genomic locus for transcriptional activation as well as the efficiency with which transcription can occur. Chromatin immunoprecipitation (ChIP) is a method that allows elucidating gene regulation at the molecular level by assessing if chromatin modifications or proteins are present at a specific locus...
2018: Methods in Molecular Biology
Andreas Ströhle
Sports psychiatry has developed for the past 3 decades as an emerging field within psychiatry and sports medicine. An International society has been established in 1994 and also national interest groups were implemented, mostly within the national organizations for psychiatry, some also containing the topic of exercise treatment of mental disorders. Where are we now 30 years later? We systematically but also selectively review the medical literature on exercise, sport, psychiatry, mental health and mental disorders and related topics...
March 21, 2018: European Archives of Psychiatry and Clinical Neuroscience
Maria A T Bortolini, Suellen M Feitosa, Andreisa P M Bilhar, Gisela G R Salerno, Edmar Zanoteli, Manuel J Simões, Rodrigo A Castro
INTRODUCTION AND HYPOTHESIS: An animal model of vaginal distention (VD) was developed to reproduce the acute urethral injury and deficiency underlying stress urinary incontinence (SUI). Data on the chronic effects of urethral trauma and the recovery process are still scarce. We investigated acute, short- and long-term histomorphological and molecular changes in the urethra of rats post 12-h intermittent VD. METHODS: We evaluated the urethra of four groups of female rats (n = 72): control without trauma, 1 h, 7 days and 30 days post VD...
March 21, 2018: International Urogynecology Journal
João Cruz, Vasco Mascarenhas
Muscle injuries are one of the major problems facing elite athletes, representing a significant source of time lost from competition, with substantial consequences for teams and athletes. There are considerable pressures for a rapid return, but players who return to competition too soon have an increased risk of recurrent muscle injuries, which are associated with longer lay-offs. Imaging plays a key role in achieving the correct diagnosis, and magnetic resonance imaging (MRI) has emerged as the method of choice for skeletal muscle imaging...
March 21, 2018: Skeletal Radiology
Young Nam Kwon, Sung Sang Yoon, Kyung-Hag Lee
Background: Sarcopenia causes loss of muscle mass in the elderly and is associated with development of metabolic syndrome in those with obesity. This study evaluated the prevalence of sarcopenic obesity (SO) in healthy Korean elderly women. Methods: This study was based on data from the Korea National Health and Nutrition Examination Survey IV and V, 2008-2011. Whole body dual energy X-ray absorptiometry and body mass index measurement were performed for all patients...
February 2018: Journal of Bone Metabolism
Jeong Jae Moon, Sam-Guk Park, Seung Min Ryu, Chan-Ho Park
Background: We sought to develop a novel index based on the skeletal muscle mass that reflects the change of quality of life (QOL), and is the most appropriate index for the body composition of the elderly in Korea. Whether lower extremity skeletal muscle mass index (LESMI) is an appropriate novel new index to diagnose patients with sarcopenia was also evaluated. A cut-off value for each index was reported to facilitate the diagnosis of patients with sarcopenia in a Korean population...
February 2018: Journal of Bone Metabolism
William H Jin, Eric A Mellon, Jessica M Frakes, Gilbert Z Murimwa, Pamela J Hodul, Jose M Pimiento, Mokenge P Malafa, Sarah E Hoffe
Background: Total psoas area (TPA), a marker of sarcopenia, has been used as an independent predictor of clinical outcomes in gastrointestinal (GI) cancers as a proxy for frailty and nutritional status. Our study aimed to evaluate whether TPA, in contrast to traditional measurements of nutrition like body mass index (BMI) and body surface area (BSA), was predictive of outcomes in borderline resectable pancreatic cancer (BRPC) and locally advanced pancreatic cancer (LAPC) patients receiving stereotactic body radiation therapy (SBRT)...
February 2018: Journal of Gastrointestinal Oncology
Miranda E Good, Stephanie A Eucker, Jun Li, Hannah M Bacon, Susan M Lang, Joshua T Butcher, Tyler J Johnson, Ronald P Gaykema, Manoj K Patel, Zhiyi Zuo, Brant E Isakson
Ischemic stroke is a leading cause of morbidity and mortality in the US; however, there currently exists only one effective acute pharmacological therapeutic intervention. Purinergic signaling has been shown to regulate vascular function and pathological processes, including inflammation and arterial myogenic reactivity, and plays a role in ischemic stroke outcome. Purinergic signaling requires extracellular purines; however, the mechanism of purine release from cells is unclear. Pannexin1 (Panx1) channels are potentially novel purine release channels expressed throughout the vascular tree that couples regulated purine release with purinergic signaling...
March 22, 2018: JCI Insight
Binod Aryal, Abhishek K Singh, Xinbo Zhang, Luis Varela, Noemi Rotllan, Leigh Goedeke, Balkrishna Chaube, Joao-Paulo Camporez, Daniel F Vatner, Tamas L Horvath, Gerald I Shulman, Yajaira Suárez, Carlos Fernández-Hernando
Alterations in ectopic lipid deposition and circulating lipids are major risk factors for developing cardiometabolic diseases. Angiopoietin-like protein 4 (ANGPTL4), a protein that inhibits lipoprotein lipase (LPL), controls fatty acid (FA) uptake in adipose and oxidative tissues and regulates circulating triacylglycerol-rich (TAG-rich) lipoproteins. Unfortunately, global depletion of ANGPTL4 results in severe metabolic abnormalities, inflammation, and fibrosis when mice are fed a high-fat diet (HFD), limiting our understanding of the contribution of ANGPTL4 in metabolic disorders...
March 22, 2018: JCI Insight
Stefane A Aguiar, Stuart N Baker
Non-invasive assessment of spinal circuitry in humans is limited, especially for Ib pathways in the upper limb. We developed a protocol in which we evoke the H-reflex in flexor carpi radialis (FCR) by median nerve stimulation and condition it with electrical stimulation above motor threshold over the extensor carpi radialis (ECR) muscle belly. Eighteen healthy adults (eight male, ten female) took part in the study. There was a clear reflex facilitation at 30 ms inter-stimulus interval (ISI), and suppression at 70 ms ISI, which was highly consistent across subjects...
March 21, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
Judit Balog, Remko Goossens, Richard J L F Lemmers, Kirsten R Straasheijm, Patrick J van der Vliet, Anita van den Heuvel, Chiara Cambieri, Nicolas Capet, Léonard Feasson, Veronique Manel, Julian Contet, Marjolein Kriek, Colleen M Donlin-Smith, Claudia A L Ruivenkamp, Patricia Heard, Stephen J Tapscott, Jannine D Cody, Rabi Tawil, Sabrina Sacconi, Silvère M van der Maarel
BACKGROUND: 18p deletion syndrome is a rare disorder caused by partial or full monosomy of the short arm of chromosome 18. Clinical symptoms caused by 18p hemizygosity include cognitive impairment, mild facial dysmorphism, strabismus and ptosis. Among other genes, structural maintenance of chromosomes flexible hinge domain containing 1 ( SMCHD1 ) is hemizygous in most patients with 18p deletions. Digenic inheritance of a SMCHD1 mutation and a moderately sized D4Z4 repeat on a facioscapulohumeral muscular dystrophy (FSHD) permissive genetic background of chromosome 4 can cause FSHD type 2 (FSHD2)...
March 21, 2018: Journal of Medical Genetics
Matthias Butter, Stefan Weiler, Luc Biedermann, Michael Scharl, Gerhard Rogler, Heike A Bischoff-Ferrari, Benjamin Misselwitz
Approximately 10-20% of inflammatory bowel disease (IBD) cases are diagnosed after 60 years of age. Due to the high prevalence of conditions mimicking IBD at older age - including bowel disease associated with non-steroidal anti-inflammatory drugs, diverticulitis, and microscopic colitis - differential diagnosis of IBD among older adults is frequently delayed. Late-onset IBD is characterized by a predominance of colonic disease and an overall milder disease course; disease progression and new intestinal manifestations are rare...
April 2018: Maturitas
Douglas Ruden, Alan Bolnick, Awoniyi Awonuga, Mohammed Abdulhasan, Gloria Perez, Elizabeth Ella Puscheck, Daniel A Rappolee
Plant and animal life forms evolved mechanisms for sensing and responding to gravity on Earth where homeo-static needs require responses. The lack of gravity, such as in the International Space Station (ISS), causes acute, intra-generational changes in the quality of life. These include maintaining calcium levels in bone, main-taining muscle tone, and disturbances in the vestibular apparatus in the ears. These problems decrease work efficiency and quality of life of humans not only during microgravity exposures but also after return to higher gravity on Earth or destinations such as Mars or the Moon...
March 21, 2018: Stem Cells and Development
Sonja Badovinac, Marta Korsic, Kamelija Zarkovic, Davorka Mursic, Mihovil Roglic, Marko Jakopovic, Miroslav Samarzija
AIM: Alongside the proven efficacy, immunotherapy in treatment of malignant diseases can cause immune-related adverse events different from commonly known chemotherapy-related toxicities. CASE PRESENTATION: During nivolumab treatment of metastatic squamous cell lung cancer, the patient developed a symptomatic inflammatory myositis confirmed with muscle biopsy and primary hypothyroidism. After initiation of corticosteroids and thyroid hormone replacement, the clinical and laboratory improvement occurred...
March 1, 2018: Immunotherapy
Haize Goikuria, Maria Del Mar Freijo, Reyes Vega Manrique, María Sastre, Elena Elizagaray, Ana Lorenzo, Koen Vandenbroeck, Iraide Alloza
Vascular smooth muscle cells (VSMCs) are central players in carotid atherosclerosis plaque development. Although the precise mechanisms involved in plaque destabilization are not completely understood, it is known that VSMC proliferation and migration participate in plaque stabilization. In this study, we analyzed expression patterns of genes involved in carotid atherosclerosis development (e.g., transcription factors of regulation of SMC genes) of VSMCs located inside or outside the plaque lesion that may give clues about changes in phenotypic plasticity during atherosclerosis...
March 18, 2018: Cells
Juan J Díez, Susana Sangiao-Alvarellos, Fernando Cordido
Pharmacological treatment of growth hormone deficiency (GHD) in adults began in clinical practice more than 20 years ago. Since then, a great volume of experience has been accumulated on its effects on the symptoms and biochemical alterations that characterize this hormonal deficiency. The effects on body composition, muscle mass and strength, exercise capacity, glucose and lipid profile, bone metabolism, and quality of life have been fully demonstrated. The advance of knowledge has also taken place in the biological and molecular aspects of the action of this hormone in patients who have completed longitudinal growth...
March 17, 2018: International Journal of Molecular Sciences
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