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Muscle quality

Jun-Hu Cheng, Bart Nicolai, Da-Wen Sun
Muscle foods are very important for a well-balanced daily diet. Due to their perishability and vulnerability, there is a need for quality and safety evaluation of such foods. Hyperspectral imaging (HSI) coupled with multivariate analysis is becoming increasingly popular for the non-destructive, non-invasive, and rapid determination of important quality attributes and the classification of muscle foods. This paper reviews recent advances of application of HSI for predicting some significant muscle foods parameters, including color, tenderness, firmness, springiness, water-holding capacity, drip loss and pH...
October 1, 2016: Meat Science
M H Romero, L F Uribe-Velásquez, J A Sánchez, A A Rayas-Amor, G C Miranda-de la Lama
The aim of the study was to determine the effects of abattoir type (conventional abattoir -CA- versus modern abattoir -MA-) on stress parameters and risk factors for high muscle pH in Colombia. A total of 522 Zebu young bulls were studied in two groups: 285 at CA, and 237 at MA. Blood samples were taken to measure cortisol, glucose, lactate, creatine kinase, β-hydroxybutyrate, total protein, albumin, creatinine, urea, haematocrit, leukocytes and N/L ratio. Cattle were monitored during the unloading, lairage, handling and stunning...
October 11, 2016: Meat Science
Jacobo Á Rubio-Arias, Elena Marín-Cascales, Domingo J Ramos-Campo, Alejandro Martínez, Linda H Chung, Pedro E Alcaraz
OBJECTIVE: The purpose of the present systematic review and meta-analysis was to evaluate published, randomized controlled trials that investigated the effects of whole-body vibration training (WBVT) on lean mass in postmenopausal women. METHODS: The following electronic databases were searched from September to October 2015: PubMed, Web of Science, and Cochrane. Two different authors tabulated, independently, the selected indices in identical predetermined forms...
October 3, 2016: Menopause: the Journal of the North American Menopause Society
Rulin Sun, Santao Zhang, Xing Lu, Wenjun Hu, Ning Lou, Yan Zhao, Jia Zhou, Xiaoping Zhang, Hongmei Yang
Cancer-induced muscle wasting, which commonly occurs in cancer cachexia, is characterized by impaired quality of life and poor patient survival. To identify an appropriate treatment, research on the mechanism underlying muscle wasting is essential. Thus far, studies on muscle wasting using cancer cachectic models have generally focused on early cancer cachexia (ECC), before severe body weight loss occurs. In the present study, we established models of ECC and late cancer cachexia (LCC) and compared different stages of cancer cachexia using two cancer cachectic mouse models induced by colon-26 (C26) adenocarcinoma or Lewis lung carcinoma (LLC)...
October 12, 2016: Oncology Reports
Sarah Jones, William D-C Man, Wei Gao, Irene J Higginson, Andrew Wilcock, Matthew Maddocks
BACKGROUND: This review is an update of a previously published review in the Cochrane Database of Systematic Reviews Issue 1, 2013 on Neuromuscular electrical stimulation for muscle weakness in adults with advanced disease.Patients with advanced progressive disease often experience muscle weakness, which can impact adversely on their ability to be independent and their quality of life. In those patients who are unable or unwilling to undertake whole-body exercise, neuromuscular electrical stimulation (NMES) may be an alternative treatment to enhance lower limb muscle strength...
October 17, 2016: Cochrane Database of Systematic Reviews
Bojiang Li, Chao Dong, Pinghua Li, Zhuqing Ren, Han Wang, Fengxiang Yu, Caibo Ning, Kaiqing Liu, Wei Wei, Ruihua Huang, Jie Chen, Wangjun Wu, Honglin Liu
Meat color is considered to be the most important indicator of meat quality, however, the molecular mechanisms underlying traits related to meat color remain mostly unknown. In this study, to elucidate the molecular basis of meat color, we constructed six cDNA libraries from biceps femoris (Bf) and soleus (Sol), which exhibit obvious differences in meat color, and analyzed the whole-transcriptome differences between Bf (white muscle) and Sol (red muscle) using high-throughput sequencing technology. Using DEseq2 method, we identified 138 differentially expressed genes (DEGs) between Bf and Sol...
October 17, 2016: Scientific Reports
Sebastian Bohm, Falk Mersmann, Adamantios Arampatzis
BACKGROUND: The present article systematically reviews recent literature on the in vivo adaptation of asymptomatic human tendons following increased chronic mechanical loading, and meta-analyzes the loading conditions, intervention outcomes, as well as methodological aspects. METHODS: The search was performed in the databases PubMed, Web of Knowledge, and Scopus as well as in the reference lists of the eligible articles. A study was included if it conducted (a) a longitudinal exercise intervention (≥8 weeks) on (b) healthy humans (18 to 50 years), (c) investigating the effects on mechanical (i...
December 2015: Sports Medicine—Open
Aris Koryllos, Astrid Althaus, Marcel Poels, Robin Joppich, Rolf Lefering, Frank Wappler, Wolfram Windisch, Corinna Ludwig, Erich Stoelben
BACKGROUND: Thoracotomy leads to chronic neuropathic pain in up to 50% of patients and is responsible for an impaired quality of life. Intercostal nerve injury has been suggested to be responsible for this pain. In the present study the impact of paravertebral intercostal neurectomy on post thoracotomy pain was assessed. METHODS: In this single center parallel-group randomized controlled trial patients underwent muscle sparing anterolateral thoracotomy and anatomical lung resection for lung cancer...
September 2016: Journal of Thoracic Disease
Harish Petnikota, Vrisha Madhuri, Sangeet Gangadharan, Indira Agarwal, Belavendra Antonisamy
BACKGROUND: Muscular dystrophies are inherited myogenic disorders characterized by progressive muscle wasting and weakness of variable distribution and severity. They are a heterogeneous group characterized by variable degree of skeletal and cardiac muscle involvement. The most common and the most severe form of muscular dystrophy is DMD. Currently, there is no curative treatment for muscular dystrophies. Several drugs have been studied to retard the progression of the muscle weakness...
September 2016: Indian Journal of Orthopaedics
Patricia D Freitas, Palmira G Ferreira, Aline G Silva, Rafael Stelmach, Regina M Carvalho-Pinto, Frederico L A Fernandes, Marcio C Mancini, Maria N Sato, Milton A Martins, Celso R F Carvalho
RATIONALE: Clinical control is difficult to achieve in obese patients with asthma. Bariatric surgery has been recommended for weight-loss and to improve asthma control; however, the benefits of nonsurgical interventions have been poorly investigated. OBJECTIVE: To examine the effect of exercise training in a weight-loss program on asthma control, quality of life, inflammatory biomarkers and lung function. METHODS: Fifty-five obese patients with asthma were randomly assigned to either a weight-loss program + exercise (WL+E group, n=28) or a weight-loss program + sham (WL+S group, n=27) group, where the weight-loss program included nutrition (caloric restriction) and psychological therapies...
July 19, 2016: American Journal of Respiratory and Critical Care Medicine
W Chumngoen, C F Chen, H Y Chen, F J Tan
1. This study aimed to evaluate the changes in physicochemical, textural and sensory characteristics of broiler (BR) and Taiwan native (TNC) chicken pectoralis muscle heated at temperatures of 50-95°C. 2. With increasing temperature, cooking loss, collagen solubility, shear force value and hardness of samples increased in both chicken breeds. Rapid decreases in protein solubility were observed when the meat was heated to 50°C and gradually decreased thereafter. 3. Meat from broilers and native chickens performed differently upon heating in certain characteristics...
October 17, 2016: British Poultry Science
Faysal F Altahawi, Kevin J Blount, Nicholas P Morley, Esther Raithel, Imran M Omar
PURPOSE: To compare a faster, new, high-resolution accelerated 3D-fast-spin-echo (3D-FSE) acquisition sequence (CS-SPACE) to traditional 2D and high-resolution 3D sequences for knee 3-T magnetic resonance imaging (MRI). MATERIALS AND METHODS: Twenty patients received knee MRIs that included routine 2D (T1, PD ± FS, T2-FS; 0.5 × 0.5 × 3 mm(3); ∼10 min), traditional 3D FSE (SPACE-PD-FS; 0.5 × 0.5 × 0.5 mm(3); ∼7.5 min), and accelerated 3D-FSE prototype (CS-SPACE-PD-FS; 0...
October 15, 2016: Skeletal Radiology
Randall Winnette, Lisa M Hess, Steven J Nicol, Datchen Fritz Tai, Catherine Copley-Merriman
BACKGROUND: Soft tissue sarcomas (STS) are a heterogenous group of rare tumors that involve the connective tissue in the body (e.g. muscle, tendons). As with many rare tumors, little is known about the impact of STS on patient well-being. OBJECTIVE: The aim of this review was to better understand current knowledge related to patient experience and quality of life (QOL) following diagnosis of STS. METHODS: A systematic review of English-language articles published from 2005 to 2015 was conducted in the PubMed/MEDLINE, Embase, PsychINFO, and Evidence-Based Medicine databases...
October 15, 2016: Patient
J Luo, L Y Shen, H G Lei, K P Zhu, Y Z Jiang, L Bai, M Z Li, G Q Tang, X W Li, S H Zhang, L Zhu
BACKGROUND: The objective of this study was to evaluate the correlations among muscle concentration of three glycometabolic-related hormones (insulin, epinephrine and glucagon), muscle glycolysis and meat quality in representative muscles of either glycolytic or oxidative types. Moreover, the relative glycometabolic-related gene expression was measured. One Western crossbreed DLY (Duroc × (Landrace × Yorkshire)), one crossbreed with half-Chinese native-pig origin DL (Duroc × LiangShan) and one pure Chinese native pig TP (Tibetan pig) were used in this study...
October 15, 2016: Journal of the Science of Food and Agriculture
Vindhya Mohindra, Ratnesh Kumar Tripathi, Akanksha Singh, Ruchi Patangia, Rajeev Kumar Singh, Kuldeep Kumar Lal, Joy Krushna Jena
The Indian catfish, Clarias magur is an air breathing fish, inhabitant of aquatic bodies characterized by low dissolved oxygen levels. It is exposed to hypoxic conditions in its natural habitat. Thus, it can be useful model to study the mechanism of hypoxia stress tolerance. In C. magur, molecular processes facilitating its adaptation to hypoxia stress remain largely unexplored, in part due to unavailability of genomic resources. The suppression subtractive hybridization technique (SSH) was employed to compare the differential expression of transcripts under experimental hypoxic conditions, to that of normoxic conditions...
October 11, 2016: Fish & Shellfish Immunology
Fernanda de Mattos, Neiva Leite, Arthur Pitta, Paulo Cesar Barauce Bento
Water-based exercises are recommended for people with osteoarthritis (OA), due to the beneficial effects on physical function, quality of life and symptom reduction. However, the effects on muscle strength are still controversial. The aim of this review was to assess and compare the effects of Aquatic Exercise Programs on muscle strength and physical function in people with OA. A systematic search was performed at Pubmed, Scopus and Web of Science databases. Clinical trials with interventions involving Aquatic Exercises for individuals with OA were included...
September 28, 2016: Revista Brasileira de Reumatologia
Chandrashekhar R Bande, Akshay Mishra, M K Gupta, Manu Goel, Mayur J Gawande
PURPOSE: Resections in the posterior component of the oral cavity usually lead to severe functional compromise and lower quality of life for patients. Notable advances in reconstruction of the posterior part of the mouth and of the oropharynx have occurred in recent decades. The anatomic and physiologic rehabilitation of the defect to a reasonable outcome with low morbidity and mortality remains the founding basis of any surgical reconstruction, which also holds true for oral oropharyngeal and retromaxillary reconstructions...
September 17, 2016: Journal of Oral and Maxillofacial Surgery
Zhongyi Yang, Huiyu Yuan, Xiaoping Xu, Bingxin Gu, Mingwei Wang, Jianping Zhang, Yongping Zhang, Yingjian Zhang
The purpose of the preliminary study was to investigate whether high specific activity (SA) of (18) F-fluoroestradiol was optimal in breast cancer diagnosis. Imaging at variable SA was conducted in a ZR-75-1 xenograft model of estrogen-receptor positive human breast cancer in 6 mice. The region of interest was manually drawn, and the percent of injected dose per gram of the tumor and muscle in the regions of interest were recorded. Tumor-to-muscle ratio (T/M) was calculated and compared in each group with different SAs...
October 13, 2016: Journal of Labelled Compounds & Radiopharmaceuticals
Alberto M Saibene, Elena Zambrelli, Carlotta Pipolo, Alberto Maccari, Giovanni Felisati, Elena Felisati, Francesca Furia, Aglaia Vignoli, Maria Paola Canevini, Enrico Alfonsi
Vagus nerve stimulation (VNS) is a useful tool for drug-resistant epilepsy, but it induces known laryngeal side effects, with a significant role on patients' quality of life. VNS patients may show persistent left vocal fold (LVF) palsy at rest and/or recurrent LVF adduction during stimulation. This study aims at electromyographically evaluating laryngeal muscles abnormalities in VNS patients. We compared endoscopic laryngeal evaluation data in six VNS patients with laryngeal muscle electromyography (LMEMG) carried out on the thyroarytenoid, cricothyroid, posterior cricoarytenoid, and cricopharyngeal muscles...
October 13, 2016: European Archives of Oto-rhino-laryngology
X Cui, R Liu, H Cui, G Zhao, M Zheng, Q Li, J Liu, Z Liu, J Wen
Capons and ovariectomized chickens are birds that have been gonadectomized to improve the meat quality. This study investigated the effects of caponization and ovariectomy on physical, chemical, and fatty acid and amino acid profiles of meat from Beijing-You chickens (a Chinese local breed) at market age (17 wk). All birds (20 capons, 20 ovariectomized, and 40 controls) were reared under the same conditions. Breast muscle fiber diameter and area were significantly smaller and the fiber density was higher in capons and ovariectomized chickens than in controls (P < 0...
October 12, 2016: Poultry Science
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