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https://www.readbyqxmd.com/read/28545285/-effects-of-apigenin-on-lipopolysaccharide-induced-proliferation-of-rat-aortic-vascular-smooth-muscle-cells
#1
H M Yao, Y P Jia, Z Xue, M Guo, J Y Lyu
Objective: To investigate the effect of natural active compounds apigenin (API) on the proliferation of rat aortic vascular smooth muscle cells (VSMCs) induced by lipopolysaccharide (LPS) and related mechanisms. Methods: VSMCs of primary cultured SD rats were obtained and the cytotoxic effects of API (0, 10, 20, 40 and 80 μmol/L) was explored by CCK-8 method. Impact of LPS (0, 0.1, 1, 10 and 100 μg/ml) on VSMCs proliferation and the impact of API (0, 10, 20, 40 μmol/L) on LPS (10 μmol)-induced VSMCs proliferation by CCK-8 methods...
April 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28545267/-influence-of-postoperative-pelvic-floor-function-on-different-surgical-procedures-of-hysterectomy
#2
A L Tan, L Hong, Y Z Zhao, L Jiang
Objective: To compare the influence of postoperative pelvic floor function after different surgical procedures of hysterectomy. Methods: A total of 260 patients who underwent hysterectomy in Renmin hospital of Wuhan University from January 2012 to January 2014 were enrolled in the study, and divided into 5 groups by different surgical procedures, which were total abdominal hysterectomy (A-TH; 46 cases), total laparoscopic hysterectomy (L-TH; 59 cases), total vaginal hysterectomy (V-TH; 42 cases), abdominal intrafascial hysterectomy (A-CISH; 78 cases), laparoscopic intrafascial hysterectomy (L-CISH; 35 cases)...
May 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28545204/ecomorphological-divergence-drives-differential-mercury-bioaccumulation-in-polymorphic-european-whitefish-coregonus-lavaretus-populations-of-subarctic-lakes
#3
Kimmo K Kahilainen, Stephen M Thomas, Elina K M Nystedt, Ossi Keva, Tommi Malinen, Brian Hayden
Resource polymorphism, whereby ancestral trophic generalists undergo divergence into multiple specialist morphs, is common in salmonid fish populations inhabiting subarctic lakes. However, the extent to which such resource specialization into the three principal lake habitats (littoral, profundal, and pelagic) affects patterns of contaminant bioaccumulation remains largely unexplored. We assessed total mercury concentrations (THg) of European whitefish (Coregonus lavaretus (L.)) and their invertebrate prey in relation to potential explanatory variables across 6 subarctic lakes, of which three are inhabited by polymorphic (comprised of four morphs) and three by monomorphic populations...
May 20, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28545172/femoral-nerve-block-versus-adductor-canal-block-for-analgesia-after-total-knee-arthroplasty
#4
REVIEW
In Jun Koh, Young Jun Choi, Man Soo Kim, Hyun Jung Koh, Min Sung Kang, Yong In
Inadequate pain management after total knee arthroplasty (TKA) impedes recovery, increases the risk of postoperative complications, and results in patient dissatisfaction. Although the preemptive use of multimodal measures is currently considered the principle of pain management after TKA, no gold standard pain management protocol has been established. Peripheral nerve blocks have been used as part of a contemporary multimodal approach to pain control after TKA. Femoral nerve block (FNB) has excellent postoperative analgesia and is now a commonly used analgesic modality for TKA pain control...
June 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28545164/loss-of-appendicular-muscle-mass-in-haemodialysis-patients-is-associated-with-increased-self-reported-depression-anxiety-and-lower-general-health-scores
#5
Helen Alston, Aine Burns, Andrew Davenport
AIMS: Depressive symptoms are commonly reported by haemodialysis (HD) patients. Previous reports have suggested an association between depression and nutritional status. To investigate this, we measured muscle mass in HD patients screened for depression. METHODS: The Beck Depression Inventory-II (BDI-II), Hospital Anxiety and Depression Scale (HADS) were used to screen for depression, and quality of life assessed by the short form 36 (SF36), and measured appendicular lean mass (ALM) post-dialysis with segmental bioimpedance...
May 25, 2017: Nephrology
https://www.readbyqxmd.com/read/28545163/coccygeal-body-revisited-an-immunohistochemical-study-using-donated-elderly-cadavers
#6
Zhe Wu Jin, Kwang Ho Cho, Hyung Suk Jang, Gen Murakami, Jose Francisco Rodríguez-Vázquez, Masahito Yamamoto, Shin-Ichi Abe
To describe the normal anatomy and histology of the adult coccygeal body (CB) and to discuss about the origin and function. Using immunohistochemistry, we examined 29 CBs found in 32 elderly donated cadavers without macroscopic pathology in the pelvis. The CB was usually located in or near the anococcygeal ligaments. It was almost always composed of multiple masses or nodules of round glomus cells (smooth muscle actin, or SMA++). However, the CB sometimes contained abundant dilated veins with scattered glomus cells...
May 25, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28545160/-99m-tc-labeled-ngr-chlorambucil-conjugate-99m-tc-hynic-clb-c-ngr-for-targeted-chemotherapy-and-molecular-imaging
#7
Kusum Vats, Drishty Satpati, Rohit Sharma, Chandan Kumar, Haladhar D Sarma, Ashutosh Dash
Targeted delivery of chemotherapeutic drug at the tumor site enhances the efficacy with minimum systemic exposure. Towards this drugs conjugated with peptides having affinity towards a particular molecular target are recognized as affective agents for targeted chemotherapy. Thus in the present study tumor homing NGR peptide ligand was conjugated to DNA alkylating nitrogen mustard, chlorambucil (CLB). The peptide drug conjugate (PDC), CLB-c(NGR) was radiolabeled with (99m) Tc-HYNIC core to trace its pharmacokinetics and biodistribution pattern...
May 25, 2017: Journal of Labelled Compounds & Radiopharmaceuticals
https://www.readbyqxmd.com/read/28545096/vascular-disease-in-copd-systemic-and-pulmonary-expression-of-parc-pulmonary-and-activation-regulated-chemokine
#8
Mariana Muñoz-Esquerre, Elisabet Aliagas, Marta López-Sánchez, Ignacio Escobar, Daniel Huertas, Rosa Penín, Jordi Dorca, Salud Santos
INTRODUCTION: The role of Pulmonary and Activation-Regulated Chemokine (PARC) in the physiopathology of Chronic Obstructive Pulmonary Disease (COPD) is not fully understood. The aim of the present study is to analyze the expression of PARC in lung tissue and its relationship with the vascular remodeling of the systemic and pulmonary arteries of COPD subjects. METHODS: To achieve this objective, protein and gene expression experiments, together with ELISA assays, were performed on the lung tissue, intercostal arteries and serum samples from COPD patients, non-obstructed smokers (NOS) and never-smokers (NS)...
2017: PloS One
https://www.readbyqxmd.com/read/28545087/the-second-terminations-of-the-suboccipital-muscles-an-assistant-pivot-for-the-to-be-named-ligament
#9
Xiao-Ying Yuan, Chan Li, Jia-Ying Sui, Qi-Qi Zhao, Xiao Zhang, Na-Na Mou, Zhao Huang-Fu, Okoye Chukwuemeka Samuel, Nan Zheng, Seung-Ho Han, Sheng-Bo Yu, Hong-Jin Sui
In the last two decades, many studies have focused on the muscles and dense connective tissues located in the suboccipital region. Our study investigated the existence of the second terminations originating from the suboccipital muscles, and the relationship between the variable types of the To Be Named Ligament (TBNL). Anatomical dissection was performed on 35 head-neck specimens. The existence of the second terminations of the suboccipital muscles was confirmed and various types of the TBNL were observed in this study...
2017: PloS One
https://www.readbyqxmd.com/read/28545015/motor-unit-number-index-munix-in-patients-with-anti-mag-neuropathy
#10
Farzad Fatehi, Emilien Delmont, Aude-Marie Grapperon, Emmanuelle Salort-Campana, Amandine Sévy, Annie Verschueren, José Boucraut, Shahram Attarian
OBJECTIVE: To investigate the relationship between Motor Unit Number Index (MUNIX) and functional scales in patients with anti-Myelin Associated Glycoprotein (MAG) neuropathy and to know if MUNIX is modify after rituximab (RTX) therapy. METHODS: 17 patients were enrolled, of whom 6 were prospectively evaluated during one year after RTX treatment. MUNIX technique was assessed in abductor digiti mini (ADM), abductor pollicis brevi (APB) and tibialis anterior (TA) muscles...
May 9, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28544947/measuring-cortical-motor-hemodynamics-during-assisted-stepping-an-fnirs-feasibility-study-of-using-a-walker
#11
Andrea Cristina de Lima-Pardini, Guilherme A Zimeo Morais, Joana Bisol Balardin, Daniel Boari Coelho, Nametala Maia Azzi, Luis Augusto Teixeira, João Ricardo Sato
Walkers are commonly prescribed worldwide to individuals unable to walk independently. Walker usage leads to improved postural control and voluntary movement during step. In the present study, we aimed to provide a concept-proof on the feasibility of an event-related protocol integrating the analyses of biomechanical variables of step initiation and functional near-infrared spectroscopy (fNIRS) to measure activation of the supplementary motor area (SMA) while using a walker. Healthy young participants were tested while stepping with versus without the use of the walker...
May 17, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28544940/directional-preference-of-activation-of-abdominal-and-paraspinal-muscles-during-position-control-tasks-in-sitting
#12
Martin Eriksson Crommert, Kylie Tucker, Christopher Holford, Alexander Wight, Donna McCook, Paul Hodges
Controversy exists in the literature regarding antagonist activity of trunk muscles during different types of trunk loading, and the direction-specificity of activation of trunk muscles, particularly the deeper trunk muscles. This study aimed to systematically compare activation of a range of trunk muscles between directions of statically applied loads, and to consider the impact of breathing in this activation. In a semi-seated position, 13 healthy male participants resisted moderate inertial loads applied to the trunk in eight different directions...
May 17, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28544858/effects-of-resistance-training-on-performance-in-previously-trained-endurance-runners-a-systematic-review
#13
Manuel Alcaraz-Ibañez, Manuel Rodríguez-Pérez
The aim of this work was to identify, synthesize and evaluate the results of randomized controlled trials examining the effects of resistance training on performance indicators in previously trained endurance runners. A database search was carried out in PubMed, Science Direct, OvidSPMedLine, Wiley, Web of Science, ProQuest and Google Scholar. In accordance with the PRISMA checklist, 18 published articles dated prior to May 2016 involving 321 endurance runners were reviewed using the PEDro scale. Resistance training led to general improvements in muscular strength, running economy, muscle power factors, and direct performance in distances between 1,500 and 10,000 m...
May 25, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28544788/fibrosing-myopathy-in-systemic-sclerosis-associates-with-higher-mortality
#14
Julie J Paik, Fredrick M Wigley, Ami A Shah, Andrea M Corse, Livia Casciola-Rosen, Laura K Hummers, Andrew L Mammen
OBJECTIVE: To determine if a unique subtype of scleroderma muscle disease exists by comparing the clinical features of systemic sclerosis (SSc) patients with predominant fibrosis on muscle biopsy to those with inflammatory muscle histopathology. METHODS: This retrospective, cross-sectional study included SSc patients with muscle weakness and an available muscle biopsy. Biopsies with fibrosis but without inflammation/necrosis were designated as "fibrosing myopathy" and those with inflammation and/or necrosis were assigned a category of "inflammatory myopathy"...
May 23, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28544784/presynaptic-congenital-myasthenic-syndrome-with-a-homozygous-sequence-variant-in-lama5-combines-myopia-facial-tics-and-failure-of-neuromuscular-transmission
#15
Ricardo A Maselli, Juan Arredondo, Jessica Vázquez, Jessica X Chong, Michael J Bamshad, Deborah A Nickerson, Marian Lara, Fiona Ng, Victoria L Lo, Peter Pytel, Craig M McDonald
Defects in genes encoding the isoforms of the laminin alpha subunit have been linked to various phenotypic manifestations, including brain malformations, muscular dystrophy, ocular defects, cardiomyopathy, and skin abnormalities. We report here a severe defect of neuromuscular transmission in a consanguineous patient with a homozygous variant in the laminin alpha-5 subunit gene (LAMA5). The variant c.8046C>T (p.Arg2659Trp) is rare and has a predicted deleterious effect. The affected individual, who also carries a rare homozygous sequence variant in LAMA1, had muscle weakness, myopia, and facial tics...
May 25, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28544772/ganglioside-gm3-content-in-skeletal-muscles-is-increased-in-type-2-but-decreased-in-type-1-diabetes-rat-models-implications-of-glycosphingolipid-metabolism-in-pathophysiology-of-diabetes
#16
Josko Bozic, Anita Markotic, Vedrana Cikes-Culic, Anela Novak, Josip Andelo Borovac, Hrvoje Vucemilovic, Gorana Trgo, Tina Ticinovic Kurir
BACKGROUND: Ganglioside GM3 is an abundant constituent of the plasma membrane where its accumulation attenuates insulin receptor signaling. Considering the role of skeletal muscles for insulin-stimulated glucose uptake, the aim of this study was to determine the expression of GM3 and its precursors in skeletal muscle of diabetes mellitus type 1 (DM1) and type 2 (DM2) rat models. METHODS: Diabetes was induced by streptozotocin (55 mg/kg for DM1 and 35 mg/kg for DM2) injection to male Sprague-Dawley rats which were fed with normal pellet diet (DM1 type) or high-fat diet (DM2 type)...
May 22, 2017: Journal of Diabetes
https://www.readbyqxmd.com/read/28544616/biochemical-isolation-of-myonuclei-employed-to-define-changes-to-the-myonuclear-proteome-that-occur-with-aging
#17
Alicia A Cutler, Eric B Dammer, Duc M Doung, Nicholas T Seyfried, Anita H Corbett, Grace K Pavlath
Skeletal muscle aging is accompanied by loss of muscle mass and strength. Examining changes in myonuclear proteins with age would provide insight into molecular processes which regulate these profound changes in muscle physiology. However, muscle tissue is highly adapted for contraction and thus comprised largely of contractile proteins making the nuclear proteins difficult to identify from whole muscle samples. By developing a method to purify myonuclei from whole skeletal muscle, we were able to collect myonuclei for analysis by flow cytometry, biochemistry, and mass spectrometry...
May 23, 2017: Aging Cell
https://www.readbyqxmd.com/read/28544582/evaluation-by-medical-students-of-the-educational-value-of-multi-material-and-multi-colored-three-dimensional-printed-models-of-the-upper-limb-for-anatomical-education
#18
Sreenivasulu Reddy Mogali, Wai Yee Yeong, Heang Kuan Joel Tan, Gerald Jit Shen Tan, Peter H Abrahams, Nabil Zary, Naomi Low-Beer, Michael Alan Ferenczi
For centuries, cadaveric material has been the cornerstone of anatomical education. For reasons of changes in curriculum emphasis, cost, availability, expertise, and ethical concerns, several medical schools have replaced wet cadaveric specimens with plastinated prosections, plastic models, imaging, and digital models. Discussions about the qualities and limitations of these alternative teaching resources are on-going. We hypothesize that three-dimensional printed (3DP) models can replace or indeed enhance existing resources for anatomical education...
May 19, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/28544569/maintenance-of-the-contractile-phenotype-in-corpus-cavernosum-smooth-muscle-cells-by-myocardin-gene-therapy-ameliorates-erectile-dysfunction-in-bilateral-cavernous-nerve-injury-rats
#19
H-B Zhang, Z-Q Wang, F-Z Chen, W Ding, W-B Liu, Z-R Chen, S-H He, A-Y Wei
The pathophysiology of erectile dysfunction post radical prostatectomy is not clearly clarified, and the low efficacy of traditional PDE5i treatment remains a major complaint in contemporary practice. This study aimed to demonstrate phenotypic modulation in bilateral cavernous nerve injury (BCNI) rats within 7 days, and subsequently validate gene therapy with Myocardin (Mycod) by maintaining a contractile phenotype in corpus cavernosum smooth muscle cells. Initially, 36 male rats were randomly divided into BCNI and negative control (NC) groups for histological and phenotypic molecular measurements at 3, 5, and 7 days...
May 23, 2017: Andrology
https://www.readbyqxmd.com/read/28544556/electrophysiological-analysis-of-synaptic-transmission-in-drosophila
#20
REVIEW
Maria Bykhovskaia, Alexander Vasin
Synaptic transmission is dynamic, plastic, and highly regulated. Drosophila is an advantageous model system for genetic and molecular studies of presynaptic and postsynaptic mechanisms and plasticity. Electrical recordings of synaptic responses represent a wide-spread approach to study neuronal signaling and synaptic transmission. We discuss experimental techniques that allow monitoring synaptic transmission in Drosophila neuromuscular and central systems. Recordings of synaptic potentials or currents at the larval neuromuscular junction (NMJ) are most common and provide numerous technical advantages due to robustness of the preparation, large and identifiable muscles, and synaptic boutons which can be readily visualized...
May 24, 2017: Wiley Interdisciplinary Reviews. Developmental Biology
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