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Skeletal review

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https://www.readbyqxmd.com/read/28533687/pulmonary-hypertension-and-vasculopathy-in-incontinentia-pigmenti-a-case-report
#1
Abduljabbar Alshenqiti, Marwan Nashabat, Hissah AlGhoraibi, Omar Tamimi, Majid Alfadhel
Incontinentia pigmenti (IP; Bloch-Sulzberger syndrome) is a rare, genetic syndrome inherited as an X-linked dominant trait. It primarily affects female infants and is lethal in the majority of males during fetal life. The clinical findings include skin lesions, developmental defects, and defects of the eyes, teeth, skeletal system, and central nervous system. Cardiovascular complications of this disease in general, and pulmonary hypertension in particular, are extremely rare. This report describes the case of a 3-year-old girl with IP complicated by pulmonary arterial hypertension...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28533314/exercise-metabolism-fuels-for-the-fire
#2
Mark Hargreaves, Lawrence L Spriet
During exercise, the supply of adenosine triphosphate (ATP) is essential for the energy-dependent processes that underpin ongoing contractile activity. These pathways involve both substrate-level phosphorylation, without any need for oxygen, and oxidative phosphorylation that is critically dependent on oxygen delivery to contracting skeletal muscle by the respiratory and cardiovascular systems and on the supply of reducing equivalents from the degradation of carbohydrate, fat, and, to a limited extent, protein fuel stores...
May 22, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28531567/impact-of-body-composition-parameters-on-clinical-outcomes-in-patients-with-metastatic-castrate-resistant-prostate-cancer-treated-with-docetaxel
#3
Samantha J Cushen, Derek G Power, Kevin P Murphy, Ray McDermott, Brendan T Griffin, Marvin Lim, Louise Daly, Peter MacEneaney, Kathleen O' Sullivan, Carla M Prado, Aoife M Ryan
BACKGROUND: Body composition may influence clinical outcomes of certain chemotherapeutic agents. We examined the prognostic significance of skeletal muscle mass and adipose tissue on docetaxel toxicity and overall survival in patients with metastatic castrate resistant prostate cancer (mCRPC). METHODS: A retrospective review of patients medical records with mCRPC, treated with docetaxel was conducted. Body composition parameters (skeletal muscle mass, muscle attenuation [MA], visceral and subcutaneous adipose tissue) were measured at L3 by computed tomography (CT) and defined using previously established cut points...
June 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28531377/following-surgically-assisted-rapid-palatal-expansion-do-tooth-borne-or-bone-borne-appliances-provide-more-skeletal-expansion-and-dental-expansion
#4
Adrien Hamedi-Sangsari, Zahra Chinipardaz, Lee Carrasco
PURPOSE: The aim of this study was to compare outcome measurements of skeletal and dental expansion with bone-borne (BB) versus tooth-borne (TB) appliances after surgically assisted rapid palatal expansion (SARPE). This study was performed to provide quantitative measurements that will help the oral surgeon and orthodontist in selecting the appliance with, on average, the greatest amount of skeletal expansion and the least amount of dental expansion. MATERIALS AND METHODS: A computerized database search was performed using PubMed, EBSCO, Cochrane, Scopus, Web of Science, and Google Scholar on publications in reputable oral surgery and orthodontic journals...
April 25, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28530498/negative-consequences-of-low-energy-availability-in-natural-male-bodybuilding-a-review
#5
Petter Fagerberg
Energy availability (EA) is a scientific concept describing how much energy is available for basic metabolic functions such as reproduction, immunity and skeletal homeostasis. Carefully controlled studies on women have shown pathological effects of EA<30kcal/kg fat free mass (FFM) and this state has been labeled low EA (LEA). Bodybuilding is a sport in which athletes compete to show muscular definition, symmetry and low body fat. The process of contest preparation in bodybuilding includes months of underfeeding, thus increasing the risk of LEA and its negative health consequences...
May 22, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28529527/skeletal-muscle-cell-induction-from-pluripotent-stem-cells
#6
REVIEW
Yusaku Kodaka, Gemachu Rabu, Atsushi Asakura
Embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs) have the potential to differentiate into various types of cells including skeletal muscle cells. The approach of converting ESCs/iPSCs into skeletal muscle cells offers hope for patients afflicted with the skeletal muscle diseases such as the Duchenne muscular dystrophy (DMD). Patient-derived iPSCs are an especially ideal cell source to obtain an unlimited number of myogenic cells that escape immune rejection after engraftment. Currently, there are several approaches to induce differentiation of ESCs and iPSCs to skeletal muscle...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28529499/exercise-and-glycemic-control-focus-on-redox-homeostasis-and-redox-sensitive-protein-signaling
#7
REVIEW
Lewan Parker, Christopher S Shaw, Nigel K Stepto, Itamar Levinger
Physical inactivity, excess energy consumption, and obesity are associated with elevated systemic oxidative stress and the sustained activation of redox-sensitive stress-activated protein kinase (SAPK) and mitogen-activated protein kinase signaling pathways. Sustained SAPK activation leads to aberrant insulin signaling, impaired glycemic control, and the development and progression of cardiometabolic disease. Paradoxically, acute exercise transiently increases oxidative stress and SAPK signaling, yet postexercise glycemic control and skeletal muscle function are enhanced...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28529179/mitochondria-and-endoplasmic-reticulum-targets-for-a-better-insulin-sensitivity-in-skeletal-muscle
#8
REVIEW
Alexis Boulinguiez, Bart Staels, Helene Duez, Steve Lancel
Obesity and its associated metabolic disorders represent a major health burden, with economic and social consequences. Although adapted lifestyle and bariatric surgery are effective in reducing body weight, obesity prevalence is still rising. Obese individuals often become insulin-resistant. Obesity impacts on insulin responsive organs, such as the liver, adipose tissue and skeletal muscle, and increases the risk of cardiovascular diseases, type 2 diabetes and cancer. In this review, we discuss the effects of obesity and insulin resistance on skeletal muscle, an important organ for the control of postprandial glucose...
May 18, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28528004/potential-contributions-of-skeletal-muscle-contractile-dysfunction-to-altered-biomechanics-in-obesity
#9
REVIEW
Lance M Bollinger
Obesity alters whole body kinematics and joint kinetics during activities of daily living which are thought to contribute to increased risk of musculoskeletal injury, development of lower extremity joint osteoarthritis (OA), and physical disability. To date, it has widely been accepted that excess adipose tissue mass is the major driver of biomechanical alterations in obesity. However, it is well established that obesity is a systemic disease affecting numerous, if not all, organ systems of the body. Indeed, obesity elicits numerous adaptations within skeletal muscle, including alterations in muscle structure (ex...
May 13, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28527581/nuclear-receptors-in-skeletal-homeostasis
#10
Hao Zuo, Yihong Wan
Nuclear receptors are a family of transcription factors that can be activated by lipophilic ligands. They are fundamental regulators of development, reproduction, and energy metabolism. In bone, nuclear receptors enable bone cells, including osteoblasts, osteoclasts, and osteocytes, to sense their dynamic microenvironment and maintain normal bone development and remodeling. Our views of the molecular mechanisms in this process have advanced greatly in the past decade. Drugs targeting nuclear receptors are widely used in the clinic for treating patients with bone disorders such as osteoporosis by modulating bone formation and resorption rates...
2017: Current Topics in Developmental Biology
https://www.readbyqxmd.com/read/28527579/the-role-of-coup-tfii-in-striated-muscle-development-and-disease
#11
Xin Xie, San-Pin Wu, Ming-Jer Tsai, Sophia Tsai
Skeletal and cardiac muscles are the only striated muscles in the body. Although sharing many structural and functional similarities, skeletal and cardiac muscles have intrinsic differences in terms of physiology and regenerative potential. While skeletal muscle possesses a robust regenerative response, the mammalian heart has limited repair capacity after birth. In this review, we provide an updated view regarding chicken ovalbumin upstream promoter-transcription factor II (COUP-TFII) function in vertebrate myogenesis, with particular emphasis on the skeletal and cardiac muscles...
2017: Current Topics in Developmental Biology
https://www.readbyqxmd.com/read/28525408/rebound-deformity-after-growth-modulation-in-patients-with-coronal-plane-angular-deformities-about-the-knee-who-gets-it-and-how-much
#12
Lise A Leveille, Ozan Razi, Charles E Johnston
BACKGROUND: With observed success and increased popularity of growth modulation techniques, there has been a trend toward use in progressively younger patients. Younger age at growth modulation increases the likelihood of complete deformity correction and need for implant removal before skeletal maturity introducing the risk of rebound deformity. The purpose of this study was to quantify magnitude and identify risk factors for rebound deformity after growth modulation. METHODS: We performed a retrospective review of all patients undergoing growth modulation with a tension band plate for coronal plane deformity about the knee with subsequent implant removal...
May 18, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28521709/modulation-of-inflammatory-response-to-implanted-biomaterials-using-natural-compounds
#13
Maria Yanez, James Blanchette, Ehsan Jabbarzadeh
Tissue engineering offers a promising strategy to restore injuries resulting from trauma, infection, tumor resection, or other diseases. In spite of significant progress, the field faces a significant bottleneck; the critical need to understand and exploit the interdependencies of tissue healing, angiogenesis, and inflammation. Inherently, the balance of these interacting processes is affected by a number of injury site conditions that represent a departure from physiological environment, including reduced pH, increased concentration of free radicals, hypoglycemia, and hypoxia...
May 10, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28512448/the-potential-role-of-contraction-induced-myokines-in-the-regulation-of-metabolic-function-for-the-prevention-and-treatment-of-type-2-diabetes
#14
REVIEW
Brian P Carson
Skeletal muscle represents the largest organ in the body, comprises 36-42% of body weight, and has recently been recognized as having an endocrine function. Proteins expressed and released by muscle that have autocrine, paracrine, and endocrine bioactivities have been termed myokines. It is likely that muscle contraction represents the primary stimulus for the synthesis and secretion of myokines to enable communication with other organs such as the liver, adipose tissue, brain, and auto-regulation of muscle metabolism...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28511069/ischaemic-preconditioning-current-knowledge-and-potential-future-applications-after-30-years-of-experience
#15
REVIEW
Karolina Stokfisz, Anna Ledakowicz-Polak, Maciej Zagorski, Marzenna Zielinska
Ischaemic preconditioning (IPC) phenomenon has been known for thirty years. During that time several studies showed that IPC provided by brief ischaemic and reperfusion episodes prior to longer ischaemia can bestow a protective effect to both preconditioned and also remote organs. IPC affecting remote organs is called remote ischaemic preconditioning. Initially, most IPC studies were focused on enhancing myocardial resistance to subsequent ischaemia and reperfusion injury. However, preconditioning was found to be a universal phenomenon and was observed in various organs and tissues including the heart, liver, brain, retina, kidney, skeletal muscles and intestine...
May 13, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28510056/the-two-sides-of-a-lipid-protein-story
#16
REVIEW
Luis G Mansor Basso, Luis F Santos Mendes, Antonio J Costa-Filho
Protein-membrane interactions play essential roles in a variety of cell functions such as signaling, membrane trafficking, and transport. Membrane-recruited cytosolic proteins that interact transiently and interfacially with lipid bilayers perform several of those functions. Experimental techniques capable of probing changes on the structural dynamics of this weak association are surprisingly limited. Among such techniques, electron spin resonance (ESR) has the enormous advantage of providing valuable local information from both membrane and protein perspectives by using intrinsic paramagnetic probes in metalloproteins or by attaching nitroxide spin labels to proteins and lipids...
June 2016: Biophysical Reviews
https://www.readbyqxmd.com/read/28507959/intramuscular-arteriovenous-hemangioma-of-thigh-a-case-report-and-review-of-literature
#17
Sanjeev Patnaik, Praveen Kumar, Biswaranjan Nayak, Nachiketa Mohapatra
INTRODUCTION: Skeletal muscle hemangiomas are uncommon soft tissue tumors; more than 90% are misdiagnosed initially. They present as chronic pain and swelling in a muscle with or without a history of trauma. Magnetic resonance imaging is the investigation of choice. Many treatment modalities for the symptomatic hemangiomas are available of which surgical excision is the most preferred. CASE REPORT: We present an unusual case of pain, swelling, and restriction of movements in the right knee following an episode of trauma in an 8-year-old boy diagnosed to have intramuscular arteriovenous hemangioma in the vastusmedialis and vastusintermedius for which he was treated by surgical excision and followed for 2 years and found to have no recurrence...
November 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28505224/muscle-bioenergetic-considerations-for-intrinsic-laryngeal-skeletal-muscle-physiology
#18
Mary J Sandage, Audrey G Smith
Purpose: Intrinsic laryngeal skeletal muscle bioenergetics, the means by which muscles produce fuel for muscle metabolism, is an understudied aspect of laryngeal physiology with direct implications for voice habilitation and rehabilitation. The purpose of this review is to describe bioenergetic pathways identified in limb skeletal muscle and introduce bioenergetic physiology as a necessary parameter for theoretical models of laryngeal skeletal muscle function. Method: A comprehensive review of the human intrinsic laryngeal skeletal muscle physiology literature was conducted...
May 15, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28503503/measurement-methods-for-physical-activity-and-energy-expenditure-a-review
#19
REVIEW
Didace Ndahimana, Eun-Kyung Kim
Physical activity is defined as any bodily movement produced by skeletal muscles that results in energy expenditure. The benefits of physical activity for health maintenance have been well documented, especially in the prevention and management of chronic diseases. Therefore, accurate measurement of physical activity and energy expenditure is essential both for epidemiological studies and in the clinical context. Given the large number of available methods, it is important to have an understanding of each, especially when one needs to choose a technique to use...
April 2017: Clinical Nutrition Research
https://www.readbyqxmd.com/read/28502983/alkaline-phosphatase-a-novel-treatment-target-for-cardiovascular-disease-in-ckd
#20
REVIEW
Mathias Haarhaus, Vincent Brandenburg, Kamyar Kalantar-Zadeh, Peter Stenvinkel, Per Magnusson
Cardiovascular disease is the main cause of early death in the settings of chronic kidney disease (CKD), type 2 diabetes mellitus (T2DM), and ageing. Cardiovascular events can be caused by an imbalance between promoters and inhibitors of mineralization, which leads to vascular calcification. This process is akin to skeletal mineralization, which is carefully regulated and in which isozymes of alkaline phosphatase (ALP) have a crucial role. Four genes encode ALP isozymes in humans. Intestinal, placental and germ cell ALPs are tissue-specific, whereas the tissue-nonspecific isozyme of ALP (TNALP) is present in several tissues, including bone, liver and kidney...
May 15, 2017: Nature Reviews. Nephrology
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