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https://www.readbyqxmd.com/read/28324489/monitoring-mitochondrial-changes-by-alteration-of-the-pink1-parkin-signaling-in-drosophila
#1
Tsuyoshi Inoshita, Kahori Shiba-Fukushima, Hongrui Meng, Nobutaka Hattori, Yuzuru Imai
Mitochondrial quality control is a key process in tissues with high energy demands, such as the brain and muscles. Recent studies using Drosophila have revealed that the genes responsible for familial forms of juvenile Parkinson's disease (PD), PINK1 and Parkin regulate mitochondrial function and motility. Cell biological analysis using mammalian cultured cells suggests that the dysregulation of mitophagy by PINK1 and Parkin leads to neurodegeneration in PD. In this chapter, we describe the methods to monitor mitochondrial morphology in the indirect flight muscles of adult Drosophila and Drosophila primary cultured neurons and the methods to analyze the motility of mitochondria in the axonal transport of living larval motor neurons...
March 22, 2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28318975/a-large-and-consistent-phylogenomic-dataset-supports-sponges-as-the-sister-group-to-all-other-animals
#2
Paul Simion, Hervé Philippe, Denis Baurain, Muriel Jager, Daniel J Richter, Arnaud Di Franco, Béatrice Roure, Nori Satoh, Éric Quéinnec, Alexander Ereskovsky, Pascal Lapébie, Erwan Corre, Frédéric Delsuc, Nicole King, Gert Wörheide, Michaël Manuel
Resolving the early diversification of animal lineages has proven difficult, even using genome-scale datasets. Several phylogenomic studies have supported the classical scenario in which sponges (Porifera) are the sister group to all other animals ("Porifera-sister" hypothesis), consistent with a single origin of the gut, nerve cells, and muscle cells in the stem lineage of eumetazoans (bilaterians + ctenophores + cnidarians). In contrast, several other studies have recovered an alternative topology in which ctenophores are the sister group to all other animals (including sponges)...
March 8, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28318967/pitch-strength-as-an-outcome-measure-for-treatment-of-dysphonia
#3
Lisa M Kopf, Cristina Jackson-Menaldi, Adam D Rubin, Jean Skeffington, Eric J Hunter, Mark D Skowronski, Rahul Shrivastav
BACKGROUND: Measurement of treatment outcomes is critical for the spectrum of voice treatments (ie, surgical, behavioral, or pharmacological). Outcome measures typically include visual (eg, stroboscopic data), auditory (eg, Consensus Auditory-Perceptual Evaluation of Voice; Grade, Roughness, Breathiness, Asthenia, Strain), and objective correlates of vocal fold vibratory characteristics, such as acoustic signals (eg, harmonics-to-noise ratio, cepstral peak prominence) or patient self-reported questionnaires (eg, Voice Handicap Index, Voice-Related Quality of Life)...
March 16, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28318624/treatment-tolerance-and-patient-reported-outcomes-favor-online-hemodiafiltration-compared-to-high-flux-hemodialysis-in-the-elderly
#4
Marion Morena, Audrey Jaussent, Lotfi Chalabi, Hélène Leray-Moragues, Leila Chenine, Alain Debure, Damien Thibaudin, Lynda Azzouz, Laure Patrier, Francois Maurice, Philippe Nicoud, Claude Durand, Bruno Seigneuric, Anne-Marie Dupuy, Marie-Christine Picot, Jean-Paul Cristol, Bernard Canaud
Large cohort studies suggest that high convective volumes associated with online hemodiafiltration may reduce the risk of mortality/morbidity compared to optimal high-flux hemodialysis. By contrast, intradialytic tolerance is not well studied. The aim of the FRENCHIE (French Convective versus Hemodialysis in Elderly) study was to compare high-flux hemodialysis and online hemodiafiltration in terms of intradialytic tolerance. In this prospective, open-label randomized controlled trial, 381 elderly chronic hemodialysis patients (over age 65) were randomly assigned in a one-to-one ratio to either high-flux hemodialysis or online hemodiafiltration...
March 15, 2017: Kidney International
https://www.readbyqxmd.com/read/28317721/cryoprotective-roles-of-trehalose-and-alginate-oligosaccharides-during-frozen-storage-of-peeled-shrimp-litopenaeus-vannamei
#5
Bin Zhang, Hai-Xiao Wu, Hui-Cheng Yang, Xing-Wei Xiang, Hai-Bo Li, Shang-Gui Deng
Cryoprotective saccharides are widely accepted additives that reduce thawing loss, maintain texture, and retard protein denaturation in the frozen seafood. The present study aimed to investigate the roles of trehalose and alginate oligosaccharides on cryoprotection of frozen shrimp, primarily focusing on the interactions between myosin and saccharide molecules using a molecular dynamics (MD) simulation analysis. The results indicated that soaking in the trehalose and alginate oligosaccharides solutions markedly reduced thawing and cooking losses in frozen shrimp, with respective values decreasing to 6...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28317484/redox-systems-antioxidants-and-sarcopenia
#6
Bertrand Fougère, Gabor Abellan van Kan, Bruno Vellas, Matteo Cesari
According to the free-radical theory of aging, oxidative stress is a key contributor to the onset of age-related conditions by inducing structural and functional alterations in several cellular components. Although innate defenses exist for limiting the occurrence of such detrimental effects, their ability to counteract the continuous and large production of reactive oxygen species becomes increasingly inefficient with aging. In this context, interventions aimed at preserving the homeostatic balance between oxidant production and antioxidant protection may be beneficial on the pathophysiological modifications and clinical manifestations featuring the aging process...
March 17, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/28315175/associations-of-adipose-and-muscle-tissue-parameters-at-colorectal-cancer-diagnosis-with-long-term-health-related-quality-of-life
#7
Eline H van Roekel, Martijn J L Bours, Malou E M Te Molder, José J L Breedveld-Peters, Steven W M Olde Damink, Leo J Schouten, Silvia Sanduleanu, Geerard L Beets, Matty P Weijenberg
PURPOSE: Increased visceral adiposity (visceral obesity) and muscle wasting (sarcopenia) at colorectal cancer (CRC) diagnosis, quantified by computed tomography (CT) image analysis, have been unfavorably associated with short-term clinical outcomes and survival, but associations with long-term health-related quality of life (HRQoL) have not been investigated. We studied associations of visceral adiposity, muscle fat infiltration, muscle mass, and sarcopenia at CRC diagnosis with HRQoL 2-10 years post-diagnosis...
March 17, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28314293/assessment-of-nutritional-and-inflammatory-status-to-determine-the-prevalence-of-malnutrition-in-patients-undergoing-surgery-for-colorectal-carcinoma
#8
Antonella Daniele, Rosa Divella, Ines Abbate, Addolorata Casamassima, Vito Michele Garrisi, Eufemia Savino, Porzia Casamassima, Eustachio Ruggieri, Raffaele DE Luca
BACKGROUND/AIM: Colorectal Cancer is the fourth most frequent cause of cancer death worldwide and its incidence increases from 50 years of age. It is often associated with protein-caloric malnutrition and 20% of cancer deaths occur due to this event. The aim of this study was to assess the prevalence of malnutrition and inflammatory status in 78 patients undergoing surgery for colorectal carcinoma. PATIENTS AND METHODS: Nutritional Status was assessed by Mini Nutritional Assessment (MNA)...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28304188/the-effect-of-unilateral-thalamic-deep-brain-stimulation-on-the-vocal-dysfunction-in-a-patient-with-spasmodic-dysphonia-interrogating-cerebellar-and-pallidal-neural-circuits
#9
Anujan Poologaindran, Zurab Ivanishvili, Murray D Morrison, Linda A Rammage, Mini K Sandhu, Nancy E Polyhronopoulos, Christopher R Honey
Spasmodic dysphonia (SD) is a neurological disorder of the voice where a patient's ability to speak is compromised due to involuntary contractions of the intrinsic laryngeal muscles. Since the 1980s, SD has been treated with botulinum toxin A (BTX) injections into the throat. This therapy is limited by the delayed-onset of benefits, wearing-off effects, and repeated injections required every 3 months. In a patient with essential tremor (ET) and coincident SD, the authors set out to quantify the effects of thalamic deep brain stimulation (DBS) on vocal function while investigating the underlying motor thalamic circuitry...
March 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28304171/proteome-analysis-using-itraq-reveals-the-alterations-in-stress-induced-dysfunctional-chicken-muscle
#10
Tong Xing, Chong Wang, Xue Zhao, Chen Dai, Guanghong Zhou, Xinglian Xu
The current study was designed to investigate the changes in the protein profiles of pale, soft and exudative (PSE)-like muscles of broilers subjected to transportation under high temperature conditions, using isobaric tags for relative and absolute analysis quantitation (iTRAQ). Arbor Acres chickens (n = 112) were randomly divided to two treatments: unstressed control (CON) and 0.5 h of transport (T). Birds were transported based on a designed protocol. Pectoralis major (PM) muscle samples in the T group were collected and classified as normal (T-NOR) or PSE-like (T-PSE)...
March 17, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28303553/overview-of-the-radiographers-practice-in-65-healthcare-centers-using-digital-mammography-systems-in-portugal
#11
Cláudia Sá Dos Reis, Ana Pascoal, Lucian Radu, Mário Fartaria de Oliveira, João Alves
PURPOSE: To assess current practices in digital mammography (DM) in Portuguese healthcare providers using digital systems. To investigate compliance with European standards regarding mean glandular dose and quality control practice and to identify optimisation needs. METHODS: Two questionnaires, targeted at breast radiographers and chief radiographers, were designed and applied in 65 imaging departments offering DM. Questions fielded were focused on the staff profile and technical/clinical practice...
March 16, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28303481/morphea-and-eosinophilic-fasciitis-an-update
#12
REVIEW
Jorre S Mertens, Marieke M B Seyger, Rogier M Thurlings, Timothy R D J Radstake, Elke M G J de Jong
Morphea, also known as localized scleroderma, encompasses a group of idiopathic sclerotic skin diseases. The spectrum ranges from relatively mild phenotypes, which generally cause few problems besides local discomfort and visible disfigurement, to subtypes with severe complications such as joint contractures and limb length discrepancies. Eosinophilic fasciitis (EF, Shulman syndrome) is often regarded as belonging to the severe end of the morphea spectrum. The exact driving mechanisms behind morphea and EF pathogenesis remain to be elucidated...
March 16, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28303397/association-of-the-baltic-sea-and-mediterranean-diets-with-indices-of-sarcopenia-in-elderly-women-osptre-fps-study
#13
Masoud Isanejad, Joonas Sirola, Jaakko Mursu, Toni Rikkonen, Heikki Kröger, Marjo Tuppurainen, Arja T Erkkilä
PURPOSE: To examine whether higher adherence to Baltic Sea diet (BSD) and Mediterranean diet (MED) have beneficial association with sarcopenia indices in elderly women. METHODS: In total 554 women, aged 65-72 years belonging to OSTPRE-FPS study answered a questionnaire on lifestyle factors and 3-day food record at baseline in 2002. Food consumptions and nutrient intakes were calculated. Nine components were selected to calculate BSD score. MED score was calculated using eight components...
March 16, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28303286/-fractures-of-the-olecranon
#14
P Gierer, A Wichelhaus, R Rotter
OBJECTIVE: Fractures of the olecranon are the most common fractures of the elbow in adults. Due to the dislocating force of the triceps muscle, internal fixation is the treatment of choice. INDICATIONS: All fractures of the olecranon without contraindications. CONTRAINDICATIONS: Infection and severe soft tissue damage. SURGICAL TECHNIQUE: Dorsal approach to the olecranon with the patient in a prone position. Open reduction and internal fixation with tension band wiring or plate fixation according to fracture pattern...
March 16, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28302142/maximum-inspiratory-pressure-as-a-clinically-meaningful-trial-endpoint-for-neuromuscular-diseases-a-comprehensive-review-of-the-literature
#15
REVIEW
Benedikt Schoser, Edward Fong, Tarekegn Geberhiwot, Derralynn Hughes, John T Kissel, Shyam C Madathil, David Orlikowski, Michael I Polkey, Mark Roberts, Harm A W M Tiddens, Peter Young
Respiratory muscle strength is a proven predictor of long-term outcome of neuromuscular disease (NMD), including amyotrophic lateral sclerosis, Duchenne muscular dystrophy, and spinal muscular atrophy. Maximal inspiratory pressure (MIP), a sensitive measure of respiratory muscle strength, one of several useful tests of respiratory muscle strength, is gaining interest as a therapeutic clinical trial endpoint for NMD. In this comprehensive review we investigate the use of MIP as a measure of respiratory muscle strength in clinical trials of therapeutics targeting respiratory muscle, examine the correlation of MIP with survival, quality of life, and other measures of pulmonary function, and outline the role of MIP as a clinically significantly meaningful outcome measure...
March 16, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28300651/sleep-fragmentation-hypersensitizes-healthy-young-women-to-deep-and-superficial-experimental-pain
#16
Stella Iacovides, Kezia George, Peter Kamerman, Fiona C Baker
The effect of sleep deprivation on pain sensitivity has typically been studied using total and partial sleep deprivation protocols. These protocols do not mimic the fragmented pattern of sleep disruption usually observed in individuals with clinical pain conditions. Therefore, we conducted a controlled-experiment to investigate the effect of sleep fragmentation on pain perception (deep pain: forearm muscle ischaemia, and superficial pain: graded pin-pricks applied to the skin) in 11 healthy young women following two consecutive nights of sleep fragmentation, compared with a normal night of sleep...
March 11, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28299852/energy-and-protein-requirements-for-growth-of-holstein%C3%A2-%C3%A3-%C3%A2-gyr-heifers
#17
F A S Silva, S C Valadares Filho, L N Rennó, D Zanetti, L F Costa E Silva, L A Godoi, J M P Vieira, A C B Menezes, P Pucetti, P P Rotta
There is little information regarding the nutritional requirements for dairy heifers, leading the majority of nutrient requirement systems to consider dairy heifers to be similar to beef heifers. Therefore, we evaluated the muscle protein metabolism and physical and chemical body composition of growing Holstein × Gyr heifers and estimated the energy and protein requirements. We performed a comparative slaughter experiment with 20 Holstein × Gyr heifers at an initial body weight of 218 ± 36.5 kg and an average age of 12 ± 1...
March 16, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28298786/comparison-of-dexmedetomidine-and-magnesium-sulfate-as-adjuvants-with-ropivacaine-for-spinal-anesthesia-in-infraumbilical-surgeries-and-postoperative-analgesia
#18
Reena Makhni, Joginder Pal Attri, Payal Jain, Veena Chatrath
INTRODUCTION: Postoperative pain is a major cause of fear and anxiety in hospitalized patients and so if patients remain pain-free during this period, they can cooperate with the circumstances well, leading to early recovery. Over the last two decades, there has been considerable revival of interest in the use of regional anesthesia techniques for surgery and pain management. As very few studies have been conducted using ropivacaine with dexmedetomidine and magnesium sulfate (MgSO4) as adjuvants, the present study was undertaken with primary aims to compare the hemodynamic stability, onset and duration of sensory and motor block and with secondary aims of the postoperative analgesic effect of dexmedetomidine and MgSO4 along with ropivacaine...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28294976/vitamins-and-microelement-bioavailability-in-different-stages-of-chronic-kidney-disease
#19
REVIEW
Magdalena Jankowska, Bolesław Rutkowski, Alicja Dębska-Ślizień
Chronic kidney disease (CKD) predisposes one to either deficiency or toxic excess of different micronutrients. The knowledge on micronutrients-specifically water-soluble vitamins and trace elements-in CKD is very limited. Consequently, current guidelines and recommendations are mostly based on expert opinions or poor-quality evidence. Abnormalities of micronutrient resources in CKD develop for several reasons. Dietary restrictions and anorexia lead to an insufficient micronutrient intake, while diuretics use and renal replacement therapy lead to their excessive losses...
March 15, 2017: Nutrients
https://www.readbyqxmd.com/read/28294544/identification-of-acetylcholinesterase-inhibitors-using-homogenous-cell-based-assays-in-quantitative-high-throughput-screening-platforms
#20
Shuaizhang Li, Ruili Huang, Samuel Solomon, Yitong Liu, Bin Zhao, Michael F Santillo, Menghang Xia
Acetylcholinesterase (AChE) is an enzyme responsible for metabolism of acetylcholine, a neurotransmitter associated with muscle movement, cognition, and other neurobiological processes. Inhibition of AChE activity can serve as a therapeutic mechanism, but also cause adverse health effects and neurotoxicity. In order to efficiently identify AChE inhibitors from large compound libraries, homogenous cell-based assays in high-throughput screening platforms are needed. In this study, a fluorescent method using Amplex Red (10-acetyl-3,7-dihydroxyphenoxazine) and the Ellman absorbance method were both developed in a homogenous format using a human neuroblastoma cell line (SH-SY5Y)...
March 14, 2017: Biotechnology Journal
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