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https://www.readbyqxmd.com/read/29684845/medico-legal-aspects-of-disabilities-due-to-orthopedic-injuries-and-compensations-in-egypt
#1
Sherien Salah Ghaleb, Dalia Abd Elwahab Hassan, Alla Mohamed Shehab, Soad Abd El-Ghafar Mohamed Hassan
Disability is a complex problem that results in detrimental effects on the victim. The number of disabled has increased considerably. The development constitutes a good reason for paying more specific attention to society's growing number of disabled. The physician's duties are not only to describe the anatomic and physiological defects present in the injured individual, but also to answer questions regarding the patient ability to perform specific economic or social function. This study aimed to clear up some of the problems or difficulties that may face the medico-legal physician or any personal that may be concerned with the process of evaluation...
April 14, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29684830/perineal-injury-associated-with-hands-on-hands-poised-and-directed-undirected-pushing-a-retrospective-cross-sectional-study-of-non-operative-vaginal-births-2011-2016
#2
Nigel Lee, Meaghan Firmin, Yu Gao, Sue Kildea
BACKGROUND: Clinicians hand position and advised pushing techniques may impact on rates of perineal injury. OBJECTIVE: To assess the association of four techniques used in management of second stage with risk of moderate and severe perineal injury. DESIGN: Retrospective cross-sectional study. SETTING: A metropolitan maternity hospital and a private maternity hospital in Brisbane, Australia. PARTICIPANTS: Term women with singleton, cephalic presentation experiencing a non-operative vaginal birth from January 2011 to December 2016...
April 5, 2018: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/29684583/a-novel-rpe65-inhibitor-cu239-suppresses-visual-cycle-and-prevents-retinal-degeneration
#3
Younghwa Shin, Gennadiy Moiseyev, Konstantin Petrukhin, Christopher L Cioffi, Parthasarathy Muthuraman, Yusuke Takahashi, Jian-Xing Ma
The retinoid visual cycle is an ocular retinoid metabolism specifically dedicated to support vertebrate vision. The visual cycle serves not only to generate light-sensitive visual chromophore 11-cis-retinal, but also to clear toxic byproducts of normal visual cycle (i.e. all-trans-retinal and its condensation products) from the retina, ensuring both the visual function and the retinal health. Unfortunately, various conditions including genetic predisposition, environment and aging may attribute to a functional decline of the all-trans-retinal clearance...
April 20, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29684474/environmental-enrichment-cognitive-neuroprotection-in-an-experimental-model-of-cerebral-ischemia-biochemical-and-molecular-aspects
#4
Lara Vezula Gonçalves, Alice Laschuk Herlinger, Tamara Andrea Alarcon Ferreira, Juliana Barbosa Coitinho, Rita Gomes Wanderley Pires, Cristina Martins-Silva
Stroke is considered a major cause of global morbidity. Currently, there are no effective treatments for post-stroke cognitive impairment. Enriched environment (EE) has been brought forward as a preconditioning method to induce cerebral tolerance in an ischemic event. However, the subjacent mechanisms involved in this tolerance are not yet clear. Herein we aimed to identify the mechanisms of neuroprotection triggered by EE preconditioning in a murine model of ischemic stroke. In order to do so, C57Bl/6 mice were kept for five weeks either in EE or in standard environment (SC) prior to ischemic injury through bilateral carotid occlusion (BCCAo) or sham surgery...
April 20, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29684352/nrf2-activation-protects-against-intratracheal-lps-induced-mouse-murine-acute-respiratory-distress-syndrome-by-regulating-macrophage-polarization
#5
Juan Wei, Guannan Chen, Xuan Shi, Huanping Zhou, Meiyun Liu, Yuanli Chen, Di Feng, Pengcheng Zhang, Lingmin Wu, Xin Lv
The transcription factor nuclear factor E2-related factor 2 (Nrf2) is known to control the expression of antioxidant response elements and cytoprotective genes and modulate inflammatory response, helping to ameliorate damage in many diseases. Exactly how Nrf2 regulates innate inflammatory homeostasis remains unclear. In this study, we provide in vitro and in vivo evidence that Nrf2 plays a crucial role in macrophage polarization and acute respiratory distress syndrome (ARDS). We conducted in vitro experiments using a mouse alveolar macrophage cell line as well as primary cultures of macrophages in which cells were exposed to lipopolysaccharide (LPS) or interferon-γ in order to mimic ARDS, in the presence or absence of the Nrf2 activator tert-butylhydroquinone (tBHQ)...
April 20, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29684334/the-mkk7-inhibitor-peptide-gadd45%C3%AE-i-attenuates-er-stress-induced-mitochondrial-dysfunction-in-ht22-cells-involvement-of-jnk-wnt-pathway
#6
Guang-Hua Xu, Bing-Jun Song, Dan Liu, Yu-Hua Chen, Yuan Zhou, Wen-Bo Liu, Hua Li, Tian-Lin Long, Rui Zhang, Wei Liu
JNK, a member of the mitogen activated protein kinases (MAPKs) superfamily, plays a key role in cell death in many neurological disorders, but systemic inhibition of JNK has detrimental side effects. JNK can be regulated by two direct upstream kinases: MAPK kinase 4 (MKK4) and MAPK kinase 7 (MKK7). Here, we investigated the effect of GADD45β-I, a recently designed cell-permeable inhibitor peptide for MKK7, on endoplasmic reticulum (ER) stress-induced cytotoxicity in neuronal HT22 cells. We found that treatment with the ER stress inducer tunicamycin (TM) increased the phosphorylation of JNK and MKK7 in HT22 cells, which was nullified by GADD45β-I...
April 20, 2018: Brain Research
https://www.readbyqxmd.com/read/29683858/the-effect-of-booster-seat-use-on-pediatric-injuries-in-motor-vehicle-frontal-crashes
#7
Sean Caskey, Joshua Hammond, Jeffery Peck, Matthew Sardelli, Theresa Atkinson
BACKGROUND: Motor vehicle crashes are a significant source of pediatric mortality and morbidity. Studies indicate that booster seats significantly improve seat belt fit for children who have not attained a height of 145 cm (4' 9"). This study examined injuries occurring in booster age children up to age 12, as the majority of children do not attain 145 cm until this age. The purpose of the study was to identify differences in injuries due to the type of restraint used, with attention to musculoskeletal injuries...
April 20, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29683463/a-closed-chest-model-to-induce-transverse-aortic-constriction-in-mice
#8
Lars Eichhorn, Christina Katharina Weisheit, Christopher Gestrich, Konrad Peukert, Georg Daniel Duerr, Muhammad Ajmal Ayub, Felix Erdfelder, Florian Stöckigt
Research on cardiac hypertrophy and heart failure is frequently based on pressure overload mouse models induced by TAC. The standard procedure is to perform a partial thoracotomy to visualize the transverse aortic arch. However, the surgical trauma caused by the thoracotomy in open-chest models changes the respiratory physiology as the ribs are dissected and left unattached after chest closure. To prevent this, we established a minimally invasive, closed chest approach via lateral thoracotomy. Herein we approach the aortic arch via the 2nd intercostal space without entering the chest cavities, leaving the mouse with a less traumatic injury to recover from...
April 5, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29683034/inflammatory-biomarker-profiling-in-total-joint-arthroplasty-and-its-relevance-to-circulating-levels-of-lubricin-a-novel-proteoglycan
#9
Kevin Galicia, Chase Thorson, Andrew Banos, Matthew Rondina, William Hopkinson, Debra Hoppensteadt, Jawed Fareed
Lubricin, also known as proteoglycan 4, acts as an antiadhesive and boundary lubricant to prevent cartilage damage in healthy joints. Following injury, a decrease in synovial fluid (SF) lubricin may lead to secondary osteoarthritis (OA). Inflammatory biomarkers, such as IL-1β and TNF-α, are also implicated in the pathophysiology of OA. Interestingly, they have been shown to suppress the expression and secretion of lubricin in SF. This study aims to compare circulating levels of inflammatory biomarkers and lubricin between total joint arthroplasty (TJA) patients and healthy individuals...
January 1, 2018: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/29682704/-anastomotic-leakage-after-rectal-cancer-surgery-classification-and-management
#10
Pan Chi, Shenghui Huang
Many studies have focused on the identification of risk factors and prevention of anastomotic leakage following rectal cancer surgery. However, there is little knowledge regarding classification and management of anastomotic leakage in clinic. Herein, we reviewed and summarized the classification and management of anastomotic leakage after rectal cancer surgery. The relevant treatments of anastomotic leakage should be chosen based on patient's manifestation, including general and local reactions, anatomical location, and nature of the leakage (contained or free, controlled or uncontrolled leakage)...
2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29682463/reasons-for-conversion-during-vats-lobectomy-what-happens-with-increased-experience
#11
REVIEW
Dario Amore, Davide Di Natale, Roberto Scaramuzzi, Carlo Curcio
Although controlled studies have demonstrated the benefits of a minimally invasive approach for pulmonary lobectomy over thoracotomy, reports have also documented that significant complications can occur during thoracoscopic lobectomy and sometimes require planned or emergent conversion to open surgery. Several authors have identified and reported causes and implications of intraoperative conversion to thoracotomy using different types of classification. The aim of this single centre retrospective review is to evaluate how the reasons for conversion change with increased experience, dividing patients who were converted to thoracotomy during video-assisted thoracic surgery (VATS) lobectomy, between 2011 and 2017, in two groups: those treated during learning curve (LC group) and those treated after learning curve (ALC group)...
2018: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29682269/agricultural-farm-related-injuries-in-bangladesh-and-convenient-design-of-working-hand-tools
#12
M S Parvez, M M Shahriar
Injuries during cultivation of land are the significant causes of recession for an agricultural country like Bangladesh. Thousands of tools are used in agricultural farm having much probability of getting injury at their workplaces. For the injury prevention, proper hand tool designs need to be recommended with ergonomic evaluations. This paper represents the main causes of agricultural injuries among the Bangladeshi farmers. Effective interventions had been discussed in this paper to reduce the rate of injury...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29682256/identification-of-oral-risk-factors-for-chronic-graft-versus-host-disease-in-haematological-patients-who-underwent-allogeneic-haematopoietic-stem-cell-transplantation
#13
A Picardi, M Miranda, F Liciani, G Paterno, W Arcese, P Bollero
Objective: The aim of this prospective observational study was to identify local risk factors for the development of clinical manifestations of oral chronic Graft versus Host Disease (cGvHD) in a cohort of patients affected by haematological malignant diseases who underwent allogeneic haematopoietic stem cell transplantation (HSCT). Materials and methods: In the context of an active collaboration between the Rome Transplant Network of the Hematology and the Oral Pathology Division at "Policlinico Tor Vergata", in Rome, 47 haematological patients were included in this trial based on a systematic dental screening and follow-up protocol...
October 2017: Oral & Implantology
https://www.readbyqxmd.com/read/29682160/transplantation-of-bone-marrow-mesenchymal-stem-cells-prevents-radiation-induced-artery-injury-by-suppressing-oxidative-stress-and-inflammation
#14
Yanjun Shen, Xin Jiang, Lingbin Meng, Chengcheng Xia, Lihong Zhang, Ying Xin
The present study aims to explore the protective effect of human bone marrow mesenchymal stem cells (hBMSCs) on radiation-induced aortic injury (RIAI). hBMSCs were isolated and cultured from human bone marrow. Male C57/BL mice were irradiated with a dose of 18-Gy 6MV X-ray and randomly treated with either vehicle or hBMSCs through tail vein injection with a dose of 103 or 104 cells/g of body weight (low or high dose of hBMSCs) within 24 h. Aortic inflammation, oxidative stress, and vascular remodeling were assessed by immunohistochemical staining at 3, 7, 14, 28, and 84 days after irradiation...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29682158/inhibition-of-trpa1-attenuates-doxorubicin-induced-acute-cardiotoxicity-by-suppressing-oxidative-stress-the-inflammatory-response-and-endoplasmic-reticulum-stress
#15
Zhen Wang, Menglong Wang, Jianfang Liu, Jing Ye, Huimin Jiang, Yao Xu, Di Ye, Jun Wan
The transient receptor potential ankyrin 1 (TRPA1) channel is expressed in cardiomyocytes and involved in many cardiovascular diseases. However, the expression and function of TRPA1 in doxorubicin- (Dox-) induced acute cardiotoxicity have not been elucidated. This study aimed at investigating whether blocking the TRPA1 channel with the specific inhibitor HC-030031 (HC) attenuates Dox-induced cardiac injury. The animals were randomly divided into four groups: control, HC, Dox, and Dox + HC. Echocardiography was used to evaluate cardiac function, and the heart was removed for molecular experiments...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29682157/cucurbitacin-i-protects-h9c2-cardiomyoblasts-against-h-2-o-2-induced-oxidative-stress-via-protection-of-mitochondrial-dysfunction
#16
Dong Kwon Yang, Shang-Jin Kim
Cucurbitacin I, a triterpenoid natural compound, exhibits various pharmacological properties, including anticancer, anti-inflammatory, and hepatoprotective properties. However, antioxidant effects of cucurbitacin I in cardiac cells are currently unknown. In the present study, we assessed the preventive effects of cucurbitacin I against the oxidative stress in H9c2 cardiomyoblasts. To evaluate antioxidant effects of cucurbitacin I in H9c2 cardiomyoblasts, H2 O2 -treated H9c2 cells were pretreated with various concentrations of the cucurbitacin I...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29682153/antioxidant-and-anti-inflammatory-effects-of-blueberry-anthocyanins-on-high-glucose-induced-human-retinal-capillary-endothelial-cells
#17
Wuyang Huang, Zheng Yan, Dajing Li, Yanhong Ma, Jianzhong Zhou, Zhongquan Sui
Blueberries possess abundant anthocyanins, which benefit eye health. The purpose of this study was to explore the protective functional role of blueberry anthocyanin extract (BAE) and its predominant constituents, malvidin (Mv), malvidin-3-glucoside (Mv-3-glc), and malvidin-3-galactoside (Mv-3-gal), on high glucose- (HG-) induced injury in human retinal capillary endothelial cells (HRCECs). The results showed that BAE, Mv, Mv-3-glc, and Mv-3-gal enhanced cell viability ( P < 0.05 versus the HG group at 24 h); decreased the reactive oxygen species (ROS, P < 0...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29681948/regeneration-of-tracheal-tissue-in-partial-defects-using-porcine-small-intestinal-submucosa
#18
Nelson Bergonse Neto, Lianna Ferrari Jorge, Julio C Francisco, Bruna Olandoski Erbano, Barbara Evelin Gonçalves Barboza, Larissa Luvison Gomes da Silva, Marcia Olandoski, Katherine Athayde Teixeira de Carvalho, Luiz Felipe Pinho Moreira, Jose Rocha Faria Neto, Eltyeb Abdelwahid, Luiz Cesar Guarita-Souza
Background: Surgical correction of tracheal defects is a complex procedure when the gold standard treatment with primary end-to-end anastomosis is not possible. An alternative treatment may be the use of porcine small intestinal submucosa (SIS). It has been used as graft material for bioengineering applications and to promote tissue regeneration. The aim of this study was to evaluate whether SIS grafts improved tracheal tissue regeneration in a rabbit model of experimental tracheostomy...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29681884/glutathione-s-transferase-alpha-4-prevents-dopamine-neurodegeneration-in-a-rat-alpha-synuclein-model-of-parkinson-s-disease
#19
Michael Jewett, Elna Dickson, Kajsa Brolin, Matilde Negrini, Itzia Jimenez-Ferrer, Maria Swanberg
Parkinson's disease (PD) is a common, progressive neurodegenerative disease, which typically presents itself with a range of motor symptoms, like resting tremor, bradykinesia, and rigidity, but also non-motor symptoms such as fatigue, constipation, and sleep disturbance. Neuropathologically, PD is characterized by loss of dopaminergic cells in the substantia nigra pars compacta (SNpc) and Lewy bodies, neuronal inclusions containing α-synuclein (α-syn). Mutations and copy number variations of SNCA , the gene encoding α-syn, are linked to familial PD and common SNCA gene variants are associated to idiopathic PD...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29681024/extracellular-alpha-synuclein-oligomers-induce-parkin-s-nitrosylation-relevance-to-sporadic-parkinson-s-disease-etiopathology
#20
Anna Wilkaniec, Anna M Lenkiewicz, Grzegorz A Czapski, Henryk M Jęśko, Wojciech Hilgier, Robert Brodzik, Magdalena Gąssowska-Dobrowolska, Carsten Culmsee, Agata Adamczyk
α-Synuclein (ASN) and parkin, a multifunctional E3 ubiquitin ligase, are two proteins that are associated with the pathophysiology of Parkinson's disease (PD). Excessive release of ASN, its oligomerization, aggregation, and deposition in the cytoplasm contribute to neuronal injury and cell death through oxidative-nitrosative stress induction, mitochondrial impairment, and synaptic dysfunction. In contrast, overexpression of parkin provides protection against cellular stresses and prevents dopaminergic neural cell loss in several animal models of PD...
April 21, 2018: Molecular Neurobiology
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