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https://www.readbyqxmd.com/read/28805067/the-lncrna-nespas-is-associated-with-osteoarthritis-progression-and-serves-as-a-potential-new-prognostic-biomarker
#1
Sujung Park, Myeungsoo Lee, Churl-Hong Chun, Eun-Jung Jin
INTRODUCTION: In this article, we explored the hypothesis that the long noncoding RNA, Nespas, promotes osteoarthritis (OA) by supporting abnormal lipid metabolism in human chondrocytes. MATERIALS AND METHODS: Human articular chondrocytes from osteoarthritis patients were used and expression level of Nespas were determined by real-time polymerase chain reaction. Introduction of Nespas and Nespas-associated genes/miRNAs were performed by using a lentiviral system...
August 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28804544/sirt3-attenuates-angii-induced-cardiac-fibrosis-by-inhibiting-myofibroblasts-transdifferentiation-via-stat3-nfatc2-pathway
#2
Xiaobin Guo, Fangying Yan, Jingyuan Li, Chunmei Zhang, Peili Bu
Cardiac fibrosis is a maladaptive response to various stresses, characterized by increased interstitial collagen deposition and progressive cardiac dysfunction. The transdifferentiation of fibroblasts into myofibroblasts is an essential process in the pathogenesis of cardiac fibrosis. SIRT3, as a mitochondrial NAD(+)-dependent histone deacetylase, has been demonstrated beneficial in many cardiovascular diseases. However, the specific mechanism of its protective role in cardiac fibrosis needs to be elucidated further...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28799873/-birdlime-technique-using-tachosil-tissue-sealing-sheet-soaked-with-fibrin-glue-for-sutureless-vessel-transposition-in-microvascular-decompression-operative-technique-and-nuances
#3
Naoki Otani, Terushige Toyooka, Kazuya Fujii, Kosuke Kumagai, Satoru Takeuchi, Arata Tomiyama, Yasuaki Nakao, Takuji Yamamoto, Kojiro Wada, Kentaro Mori
OBJECTIVE Microvascular decompression (MVD) is effective for the treatment of trigeminal neuralgia (TN), hemifacial spasm (HFS), and glossopharyngeal neuralgia. The transposition technique is the standard procedure to avoid adhesions and granuloma around the decompression site but is more complex and difficult to perform than the interposition technique. The authors describe a simple and safe MVD transposition procedure they call the "birdlime" technique, which uses a tissue glue-coated collagen sponge soaked with fibrin glue, and the results of this technique...
August 11, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28798798/the-protective-effect-of-salidroside-on-hypoxia-induced-corpus-cavernosum-smooth-muscle-cell-phenotypic-transformation
#4
Xiang Zhang, Jian-Feng Zhao, Fan Zhao, Jun-Feng Yan, Fan Yang, Xiao-Jun Huang, Gang Chen, Hui-Ying Fu, Bo-Dong Lv
Salidroside, a major active ingredient isolated from Rhodiola rosea, has a long application in Chinese medical history. It has widely demonstrated effects on fatigue, psychological stress, and depression and exhibits potential antihypoxia activity. Emerging evidence shows that hypoxia is an important independent risk factor for erectile dysfunction (ED). The aim of this study was to clarify the effect of salidroside on hypoxia-induced phenotypic transformation of corpus cavernosum smooth muscle cells (CCSMCs)...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28798797/the-effects-of-guizhi-gancao-decoction-on-pressure-overload-induced-heart-failure-and-posttranslational-modifications-of-tubulin-in-mice
#5
Hui-Hua Chen, Pei Zhao, Jing Tian, Wei Guo, Ming Xu, Chen Zhang, Rong Lu
Guizhi Gancao Decoction (GGD), a traditional Chinese medical recipe, has been widely used in the treatment of cardiovascular diseases in China for centuries. The present study was carried out to determine whether GGD exerts direct protective effects against pressure overload-induced heart failure. Moreover, we investigated whether GGD affects tubulin expression and posttranslational modifications. We demonstrated that GGD ameliorated TAC caused cardiac hypertrophy by gravimetric and echocardiography analysis in C57BL/6 mice...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28798156/phosphodiesterase-4-inhibitor-and-phosphodiesterase-5-inhibitor-combination-therapy-has-antifibrotic-and-anti-inflammatory-effects-in-mdx-mice-with-duchenne-muscular-dystrophy
#6
Yasunori Nio, Masayuki Tanaka, Yoshihiko Hirozane, Yo Muraki, Mitsugi Okawara, Masatoshi Hazama, Takanori Matsuo
Duchenne muscular dystrophy (DMD) is the most common inherited muscular dystrophy. Patients experience DMD in their 20s from cardiac or respiratory failure related to progressive muscle wasting. Currently, the only treatments for the symptoms of DMD are available. Muscle fibrosis, a DMD feature, leads to reduced muscle function and muscle mass, and hampers pharmaceutical therapeutic efficacy. Although antifibrotic agents may be useful, none is currently approved. Phosphodiesterase (PDE)-4 inhibitors have exhibited antifibrotic effects in human and animal models...
August 10, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28796986/evaluation-of-stomatognathic-problems-in-children-with-osteogenesis-imperfecta-osteogenesis-imperfecta-oi-preliminary-study
#7
Danuta Smoląg, Małgorzata Kulesa-Mrowiecka, Jerzy Sułko
According to epidemiological data, muscular dysfunctions of the masticatory system occur in 15-23% of the population. Preventive examinations of functional disorders of the stomatognathic system are, therefore, of particular importance. A distinct group of patients exposed to dysfunctions in the area of the masticatory organ locomotor apparatus comprises those with genetic diseases characterised by disorders in collagen formation. One of such diseases is osteogenesis imperfecta (OI) and dentinogenesis imperfecta that usually goes together with the former...
2017: Developmental Period Medicine
https://www.readbyqxmd.com/read/28793051/resistance-training-attenuates-salt-overload-induced-cardiac-remodeling-and-diastolic-dysfunction-in-normotensive-rats
#8
D L M Barretti, S F S Melo, E M Oliveira, V G Barauna
Elevated salt intake induces changes in the extracellular matrix collagen, leading to myocardial stiffness and impaired relaxation. Resistance training (RT) has been used as a remarkably successful strategy in the treatment of heart disease. Therefore, the aim of this study was to investigate the effects of RT on preventing pathological adaptation of the left ventricle (LV) induced by salt overload. Male Wistar rats (10 weeks old) were distributed into four groups (n=8/group): control (CO), control+1% salt (CO+SALT), RT and RT+1% salt (RT+SALT)...
August 7, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28781215/adipose-derived-stem-cell-derived-exosomes-ameliorate-erectile-dysfunction-in-a-rat-model-of-type-2-diabetes
#9
Fengzhi Chen, Haibo Zhang, Zhiqiang Wang, Wei Ding, Qinyu Zeng, Wenbing Liu, Can Huang, Shuhua He, Anyang Wei
BACKGROUND: The efficacy of adipose-derived stem cells (ADSCs) in alleviating erectile dysfunction (ED) of diabetic rats has been demonstrated mainly through a paracrine effect. However, exosomes (EXOs), which are important bioactive substance vectors secreted by ADSCs, have never been associated with ED. AIM: To investigate the effect of ADSC-derived EXOs on erectile function in a type 2 diabetic ED rat model. METHODS: EXOs were isolated from the supernatants of cultured ADSCs by ultracentrifugation...
August 3, 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28772265/microrna-214-affects-fibroblast-differentiation-of-adipose-derived-mesenchymal-stem-cells-by-targeting-mitofusin-2-during-pelvic-floor-dysfunction-in-sd-rats-with-birth-trauma
#10
Jing Wu, Jiang Li, Wei-Kang Chen, Shang Liu, Jian-He Liu, Jing-Song Zhang, Ke-Wei Fang
BACKGROUND/AIMS: This study investigated whether microRNA-214 (miR-214) targets mitofusin-2 (Mfn2) in the process of fibroblast differentiation of adipose-derived mesenchymal stem cells (ADMSCs) during pelvic floor dysfunction (PFD) in Sprague Dawley (SD) rats with birth trauma. METHODS: The ADMSCs were isolated from 4-6 week male SD rats (n = 20) and were cultured and divided into the blank, miR-214 mimic negative control (NC), miR-214 mimic, miR-214 inhibitor NC, miR-214 inhibitor, empty vector, Mfn2 over-expression and miR-214 + Mfn2 over-expression groups...
August 3, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28763467/effects-of-tnf-%C3%AE-on-penile-structure-alteration-in-rats-with-hyperprolactinemia
#11
Zhong-Lin Wang, Ling-Yu Yang, Hong-Huan Chen, Hsiao-Hsin Lin, Yi-Ting Tsai, William J Huang
This study aimed to investigate the effects of anti-tumor necrosis factor (TNF)-α antibody (Ab) on alteration of penile structure in the hyperprolactinemia (hyperPRL) rat model. HyperPRL was induced in 8-week-old male Sprague-Dawley rats by allografting anterior pituitary (AP) glands under the renal capsule (+AP rats). Rats implanted with cerebral cortex (CX) were used as sham control (+CX rats). At 6 weeks post implantation, rats received either a single intra-testicular dose of TNF-α Ab (12.5 μg/kg) or testosterone replacement (2 doses of testosterone enanthate [TE], 3 mg/kg), and they were sacrificed 1 week later...
2017: PloS One
https://www.readbyqxmd.com/read/28762304/identification-of-two-novel-mutations-in-rasgrp2-affecting-platelet-caldag-gefi-expression-and-function-in-patients-with-bleeding-diathesis
#12
Teresa Sevivas, José María Bastida, David S Paul, Eva Caparros, Verónica Palma-Barqueros, Margarida Coucelo, Dalila Marques, Francisca Ferrer-Marín, José Ramón González-Porras, Vicente Vicente, Jesús María Hernández-Rivas, Steve P Watson, María Luisa Lozano, Wolfgang Bergmeier, José Rivera
The RASGRP2 gene encodes the Ca(2+) and DAG-regulated guanine nucleotide exchange factor I (CalDAG-GEFI), which plays a key role in integrin activation in platelets and neutrophils. We here report two new RASGRP2 variants associated with platelet dysfunction and bleeding in patients. The homozygous patients had normal platelet and neutrophil counts and morphology. Platelet phenotyping showed: prolonged PFA-100 closure times; normal expression of major glycoprotein receptors; severely reduced platelet aggregation response to ADP and collagen (both patients); aggregation response to PAR1 and arachidonic acid markedly impaired in one patient; PMA-induced aggregation unaffected; platelet secretion, clot retraction, and spreading minimally affected...
August 1, 2017: Platelets
https://www.readbyqxmd.com/read/28757911/baicalin-ameliorates-experimental-liver-cholestasis-in-mice-by-modulation-of-oxidative-stress-inflammation-and-nrf2-transcription-factor
#13
Kezhen Shen, Xiaowen Feng, Hao Pan, Feng Zhang, Haiyang Xie, Shusen Zheng
Experimental cholestatic liver fibrosis was performed by bile duct ligation (BDL) in mice, and significant liver injury was observed in 15 days. Administration of baicalin in mice significantly ameliorates liver fibrosis. Experimental cholestatic liver fibrosis was associated with induced gene expression of fibrotic markers such as collagen I, fibronectin, alpha smooth muscle actin (SMA), and connective tissue growth factor (CTGF); increased inflammatory cytokines (TNFα, MIP1α, IL1β, and MIP2); increased oxidative stress and reactive oxygen species- (ROS-) inducing enzymes (NOX2 and iNOS); dysfunctional mitochondrial electron chain complexes; and apoptotic/necrotic cell death markers (DNA fragmentation, caspase 3 activity, and PARP activity)...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28757635/mechanisms-and-consequences-of-carbamoylation
#14
REVIEW
Sigurd Delanghe, Joris R Delanghe, Reinhart Speeckaert, Wim Van Biesen, Marijn M Speeckaert
Protein carbamoylation is a non-enzymatic post-translational modification that binds isocyanic acid, which can be derived from the dissociation of urea or from the myeloperoxidase-mediated catabolism of thiocyanate, to the free amino groups of a multitude of proteins. Although the term 'carbamoylation' is usually replaced by the term "carbamylation" in the literature, carbamylation refers to a different chemical reaction (the reversible interaction of CO2 with α and ε-amino groups of proteins). Depending on the altered molecule (for example, collagen, erythropoietin, haemoglobin, low-density lipoprotein or high-density lipoprotein), carbamoylation can have different pathophysiological effects...
July 31, 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28743177/traditional-suburethral-sling-operations-for-urinary-incontinence-in-women
#15
REVIEW
Haroon Rehman, Carlos A Bezerra, Homero Bruschini, June D Cody, Patricia Aluko
BACKGROUND: Stress urinary incontinence constitutes a significant health and economic burden to society. Traditional suburethral slings are one of the surgical operations used to treat women with symptoms of stress urinary incontinence. OBJECTIVES: To determine the effects of traditional suburethral slings on stress or mixed incontinence in comparison with other management options. SEARCH METHODS: We searched the Cochrane Incontinence Group Specialised Register (searched 3 June 2010) and the reference lists of relevant articles...
July 26, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28742638/extraocular-muscle-findings-in-myasthenia-gravis-associated-treatment-resistant-ophthalmoplegia-a-case-report
#16
Robyn M Rautenbach, Komala Pillay, Anthony D N Murray, Jeannine M Heckmann
We report the histopathological and ultrastructural tissue analysis of extraocular muscle (EOM) obtained from a patient with seronegative myasthenia gravis (MG) with treatment-resistant ophthalmoplegia for 3.5 years. The EOM demonstrated predominantly myopathic features and ultrastructural evidence of mitochondrial dysfunction, but the most striking features were increased endomysial collagen and adipocyte replacement of muscle fibers. By contrast, control EOM from a patient undergoing strabismus surgery for a sensory exotropia in a nonseeing eye and a similar duration of deviation, showed normal muscle histology...
July 24, 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/28740980/micro-engineered-perfusable-3d-vasculatures-for-cardiovascular-diseases
#17
Nishanth Venugopal Menon, Hui Min Tay, Soon Nan Wee, King Ho Holden Li, Han Wei Hou
Vessel geometries in microengineered in vitro vascular models are important to recapitulate a pathophysiological microenvironment for the study of flow-induced endothelial dysfunction and inflammation in cardiovascular diseases. Herein, we present a simple and novel extracellular matrix (ECM) hydrogel patterning method to create perfusable vascularized microchannels of different geometries based on the concept of capillary burst valve (CBV). No surface modification is necessary and the method is suitable for different ECM types including collagen, matrigel and fibrin...
July 25, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28739214/influence-of-platelet-count-platelet-mass-index-and-platelet-function-on-the-spontaneous-closure-of-ductus-arteriosus-in-the-prematurity
#18
Dilek Kahvecioglu, Omer Erdeve, Hasan Akduman, Tayfun Ucar, Serdar Alan, Ufuk Çakır, Duran Yıldız, Begum Atasay, Saadet Arsan, Semra Atalay
BACKGROUND: This study aims at evaluating the influence of platelet count, platelet mass index, and platelet function on the spontaneous closure of ductus arteriosus in prematurity. METHODS: All preterm babies were divided into two groups, including Group 1 with "open PDA" and Group 2 with "closed PDA". The variables of platelet count, mean platelet volume, platelet mass index, and platelet function were analyzed and compared between two groups of patients to identify the factors that significantly influenced spontaneous closure of ductus arteriosus...
July 11, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/28733311/regional-septal-hinge-point-injury-contributes-to-adverse-biventricular-interactions-in-pulmonary-hypertension
#19
Eva Amalie Nielsen, Kenichi Okumura, Mei Sun, Vibeke E Hjortdal, Andrew N Redington, Mark K Friedberg
Death and morbidity in pulmonary arterial hypertension (PAH) are often due to right ventricular (RV) failure and associated left ventricular (LV) dysfunction. We investigated regional myocardial remodeling and function as the basis for adverse ventricular-ventricular interactions in experimental chronic RV pressure overload. Two distinct animal models were studied: A rabbit model of increased RV pressure-load through progressive pulmonary artery banding A rat model of monocrotaline (MCT)-induced pulmonary arterial hypertension (PAH)...
July 2017: Physiological Reports
https://www.readbyqxmd.com/read/28731143/suppression-of-hepatic-dysfunction-in-tenascin%C3%A2-x%C3%A2-deficient-mice-fed-a-high%C3%A2-fat-diet
#20
Shinsaku Yamaguchi, Kohei Kawakami, Kazumi Satoh, Naoki Fukunaga, Kazuhito Akama, Ken-Ichi Matsumoto
Extracellular matrix glycoprotein tenascin‑X (TNX) is the largest member of the tenascin family. In the present study, the contribution of TNX to liver dysfunction was investigated by administration of high‑fat and high‑cholesterol diet with high levels of phosphorus and calcium (HFCD) to wild‑type (WT) and TNX‑knockout (KO) mice. After 16 weeks of HFCD administration, the ratio of liver weight to body weight was approximately 22% higher in the HFCD‑fed WT mice compared with the HFCD‑fed TNX‑KO mice, indicating hepatomegaly in HFCD‑fed WT mice...
July 21, 2017: Molecular Medicine Reports
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