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https://www.readbyqxmd.com/read/29342206/silymarin-prevents-acetaminophen-induced-hepatotoxicity-in-mice
#1
Zuzana Papackova, Marie Heczkova, Helena Dankova, Eva Sticova, Alena Lodererova, Lenka Bartonova, Martin Poruba, Monika Cahova
Acetaminophen or paracetamol (APAP) overdose is a common cause of liver injury. Silymarin (SLM) is a hepatoprotective agent widely used for treating liver injury of different origin. In order to evaluate the possible beneficial effects of SLM, Balb/c mice were pretreated with SLM (100 mg/kg b.wt. per os) once daily for three days. Two hours after the last SLM dose, the mice were administered APAP (300 mg/kg b.wt. i.p.) and killed 6 (T6), 12 (T12) and 24 (T24) hours later. SLM-treated mice exhibited a significant reduction in APAP-induced liver injury, assessed according to AST and ALT release and histological examination...
2018: PloS One
https://www.readbyqxmd.com/read/29342052/preauricular-approach-for-cholesteatoma-resection-after-surgical-overclosure-of-the-external-auditory-canal-and-cochlear-implantation
#2
Steven A Telian
: Chronic suppurative otitis media can have long-term effects on hearing if not managed effectively. When combined with cholesteatoma the condition may require creation of an open mastoid cavity. Recurrence of cholesteatoma is a concern when cochlear implantation is performed with overclosure of the external auditory meatus. A 61-year-old female with recurrent cholesteatoma in this setting was treated using a preauricular approach to provide adequate visualization while preventing the need to remove the implant or risking injury to the internal components...
January 16, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29341964/renal-decapsulation-prevents-intrinsic-renal-compartment-syndrome-in-ischemia-reperfusion-induced-acute-kidney-injury-a-physiologic-approach
#3
Pablo Cruces, Pablo Lillo, Camila Salas, Tatiana Salomon, Felipe Lillo, Carlos González, Alejandro Pacheco, Daniel E Hurtado
OBJECTIVES: Acute kidney injury is a serious complication with unacceptably high mortality that lacks of specific curative treatment. Therapies focusing on the hydraulic behavior have shown promising results in preventing structural and functional renal impairment, but the underlying mechanisms remain understudied. Our goal is to assess the effects of renal decapsulation on regional hemodynamics, oxygenation, and perfusion in an ischemic acute kidney injury experimental model. METHODS: In piglets, intra renal pressure, renal tissue oxygen pressure, and dysoxia markers were measured in an ischemia-reperfusion group with intact kidney, an ischemia-reperfusion group where the kidney capsule was removed, and in a sham group...
February 2018: Critical Care Medicine
https://www.readbyqxmd.com/read/29341933/the-effects-of-platelet-lysate-patches-on-the-activity-of-tendon-derived-cells
#4
Raquel Costa-Almeida, Albina R Franco, Tamagno Pesqueira, Mariana B Oliveira, Pedro S Babo, Isabel B Leonor, João F Mano, Rui L Reis, Manuela E Gomes
Platelet-derived biomaterials are widely explored as cost-effective sources of therapeutic factors, holding a strong potential for endogenous regenerative medicine. Particularly for tendon repair, treatment approaches that shift the injury environment are explored to accelerate tendon regeneration. Herein, genipin-crosslinked platelet lysate (PL) patches are proposed for the delivery of human-derived therapeutic factors in patch augmentation strategies aiming at tendon repair. Developed PL patches exhibited a controlled release profile of PL proteins, including bFGF and PDGF-BB...
January 13, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29341889/adventitial-activation-in-the-pathogenesis-of-injury-induced-arterial-remodeling-potential-implications-in-transplant-vasculopathy
#5
REVIEW
Jianli Wang, Yuan Wang, Jingjing Wang, Xiaosun Guo, Elsa C Chan, Fan Jiang
Transplant vasculopathy is one of the major causes of chronic rejection following solid organ transplantation. The pathogenic mechanisms of transplant vasculopathy are still poorly understood. Here we summarize current evidence suggesting that activation of the tunica adventitia may be involved in the pathogenesis of transplant vasculopathy. Adventitia is an early responder to various vascular injuries and plays an integral role in eliciting vascular inflammation and remodeling. Accumulation of macrophages in the adventitia promotes the development of vascular remodeling by releasing a variety of paracrine factors that have profound impacts on vascular mural cells...
January 13, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29341801/local-vs-national-epidemiology-of-pedestrian-injury-in-a-mid-atlantic-city
#6
Elizabeth D Nesoff, Keshia M Pollack, Amy R Knowlton, Janice V Bowie, Andrea C Gielen
OBJECTIVE: Understanding pedestrian injury trends at the local level is essential for program planning and allocation of funds for urban planning and improvement. Because we hypothesize that local injury trends differ from national trends in significant and meaningful ways, we investigated city-wide pedestrian injury trends to assess injury risk among nationally-identified risk groups, as well as identify risk groups and locations specific to Baltimore City. METHODS: Pedestrian injury data, obtained from the Baltimore City Fire Department, were gathered through EMS records collected from January 1 to December 31, 2014...
January 17, 2018: Traffic Injury Prevention
https://www.readbyqxmd.com/read/29340975/epidemiology-of-injuries-in-tennis-players
#7
REVIEW
Michael C Fu, Todd S Ellenbecker, Per A Renstrom, Gary S Windler, David M Dines
PURPOSE OF REVIEW: To review the recent literature regarding the epidemiology of tennis injuries at all levels of play, and to discuss recent findings in injury surveillance by the Association of Tennis Professionals (ATP). RECENT FINDINGS: Following the release of a consensus statement in 2009 calling for standardized documentation and analysis of tennis-related injuries, multiple studies have been published describing longitudinal injury incidences at Grand Slam tournaments and the Davis Cup...
January 16, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29340810/ureteral-stents-increase-risk-of-postoperative-acute-kidney-injury-following-colorectal-surgery
#8
Taryn E Hassinger, J Hunter Mehaffey, Matthew G Mullen, Alex D Michaels, Nathan R Elwood, Shoshana T Levi, Traci L Hedrick, Charles M Friel
BACKGROUND: Ureteral stents are commonly placed before colorectal resection to assist in identification of ureters and prevent injury. Acute kidney injury (AKI) is a common cause of morbidity and increased cost following colorectal surgery. Although previously associated with reflex anuria, prophylactic stents have not been found to increase AKI. We sought to determine the impact of ureteral stents on the incidence of AKI following colorectal surgery. METHODS: All patients undergoing colon or rectal resection at a single institution between 2005 and 2015 were reviewed using American College of Surgeons National Surgical Quality Improvement Program dataset...
January 16, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29340745/a-6-week-warm-up-injury-prevention-programme-results-in-minimal-biomechanical-changes-during-jump-landings-a-randomized-controlled-trial
#9
Jeffrey B Taylor, Kevin R Ford, Randy J Schmitz, Scott E Ross, Terry A Ackerman, Sandra J Shultz
PURPOSE: To examine the extent to which an ACL injury prevention programme modifies lower extremity biomechanics during single- and double-leg landing tasks in both the sagittal and frontal plane. It was hypothesized that the training programme would elicit improvements in lower extremity biomechanics, but that these improvements would be greater during a double-leg sagittal plane landing task than tasks performed on a single leg or in the frontal plane. METHODS: Ninety-seven competitive multi-directional sport athletes that competed at the middle- or high-school level were cluster randomized into intervention (n = 48, age = 15...
January 16, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29340245/effects-of-the-visual-feedback-based-force-platform-training-with-functional-electric-stimulation-on-the-balance-and-prevention-of-falls-in-older-adults-a-randomized-controlled-trial
#10
Zhen Li, Xiu-Xia Wang, Yan-Yi Liang, Shu-Yan Chen, Jing Sheng, Shao-Jun Ma
Background: Force platform training with functional electric stimulation aimed at improving balance may be effective in fall prevention for older adults. Aim of the study is to evaluate the effects of the visual-feedback-based force platform balance training with functional electric stimulation on balance and fall prevention in older adults. Methods: A single-centre, unblinded, randomized controlled trial was conducted. One hundred and twenty older adults were randomly allocated to two groups: the control group (n = 60, one-leg standing balance exercise, 12 min/d) or the intervention group (n = 60, force platform training with functional electric stimulation, 12 min/d)...
2018: PeerJ
https://www.readbyqxmd.com/read/29340098/icam-1-regulates-macrophage-polarization-by-suppressing-mcp-1-expression-via-mir-124-upregulation
#11
Wei Gu, Lun Yao, Lexing Li, Jianping Zhang, Aaron T Place, Richard D Minshall, Guoquan Liu
Intercellular adhesion molecule-1 is the adhesion molecule mediating leukocyte firm adhesion to endothelial cells, plays a critical role in subsequent leukocyte transmigration. ICAM-1 is also expressed in other cells including macrophages; however, the role of this adhesion molecule in mediating macrophage functions remains enigmatic. We report that ICAM-1 regulates macrophage polarization by positively modulating miR-124 expression. We found higher expression levels of monocyte chemotactic protein-1 in lungs of mice lacking ICAM-1...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29340077/lrp6-targeting-suppresses-gastric-tumorigenesis-via-p14arf-mdm2-p53-dependent-cellular-senescence
#12
Haibin Wang, Guoxing Xu, Zhengjie Huang, Weizheng Li, Huali Cai, Yunda Zhang, Disheng Xiong, Gang Liu, Shengjie Wang, Zengfu Xue, Qi Luo
NLRP6, a member of the Nod-like receptor family, protects against chemically induced intestinal injury and colitis-associated colon cancer. However, the cellular mechanisms involved in this NLRP6-mediated protection remain unclear. Here, we show that NLRP6 was down-regulated in approximately 75% of primary gastric cancer cases and exhibited significant associations with advanced clinical-stage lymph node metastasis and poor overall survival. Functional studies established that ectopic overexpression or down-regulation of NLRP6 inhibited cancer cell proliferation by inducing cell cycle arrest at the G1 phase via P21 and Cyclin D1 both in vitro and in vivo...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29339983/analysis-of-the-hamstring-muscle-activation-during-two-injury-prevention-exercises
#13
Alireza Monajati, Eneko Larumbe-Zabala, Mark Goss-Sampson, Fernando Naclerio
The aim of this study was to perform an electromyographic and kinetic comparison of two commonly used hamstring eccentric strengthening exercises: Nordic Curl and Ball Leg Curl. After determining the maximum isometric voluntary contraction of the knee flexors, ten female athletes performed 3 repetitions of both the Nordic Curl and Ball Leg Curl, while knee angular displacement and electromyografic activity of the biceps femoris and semitendinosus were monitored. No significant differences were found between biceps femoris and semitendinosus activation in both the Nordic Curl and Ball Leg Curl...
December 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29339840/complex-knee-injury-scenario-in-tertiary-level-care-in-north-india-an-epidemiological-study
#14
Mukul Kaushal, Devendra K Chouhan, Gaurav Sharma, Rajendra K Kanojia
Floating knee injury has been considered as one of the severe orthopedic injury, and is often associated with major systemic trauma involving other organs. Objective: To identify the incidence of floating knee injury, severity of injury and associated orthopaedic and non-orthopaedic injury. Methods: Epidemiologic study conducted from 1 Jan 2014 to 31 Dec 2014. Results: A total of 136 cases with floating knee injury were registered. Modified Fraser classification showed 58 patients had type 1, 74 had type 2 and 4 had type 3 floating knees...
November 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29339666/preventive-cold-acclimation-augments-the-reparative-function-of-endothelial-progenitor-cells-in-mice
#15
Cheng Peng, Li-Ping Wang, Xia Tao, Xiao-Hui Dong, Chun-Fang Xu, Yu Jiang, Chun-Long Liu, Hui-Fang Ma, Chuan Zhang, Alex F Chen, He-Hui Xie
BACKGROUND/AIMS: Chronic cold exposure may increase energy expenditure and contribute to counteracting obesity, an important risk factor for cerebrocardiovascular diseases. This study sought to evaluate whether preventive cold acclimation before ischemia onset might be a promising option for preventing cerebral ischemic injury. METHODS: After a 14-day cold acclimation period, young and aged mice were subjected to permanent cerebral ischemia, and histological analyses and behavioral tests were performed...
January 15, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29339351/high-target-vs-low-target-blood-pressure-management-during-cardiopulmonary-bypass-to-prevent-cerebral-injury-in-cardiac-surgery-patients-a-randomized-controlled-trial
#16
Anne G Vedel, Frederik Holmgaard, Lars S Rasmussen, Annika Langkilde, Olaf B Paulson, Theis Lange, Carsten Thomsen, Peter Skov Olsen, Hanne Berg Ravn, Jens C Nilsson
Background -Cerebral injury is an important complication following cardiac surgery with the use of cardiopulmonary bypass (CPB). The rate of overt stroke after cardiac surgery is 1-2%, whereas silent strokes, detected by diffusion-weighed magnetic resonance imaging (DWI), are found in up to 50% of patients. It is unclear if a higher versus a lower blood pressure during cardiopulmonary bypass reduces cerebral infarction in these patients. Methods -In a patient- and assessor-blinded randomized trial, we allocated patients to a higher (70-80 mmHg) or lower (40-50 mmHg) target for mean arterial pressure by the titration of norepinephrine during cardiopulmonary bypass...
January 16, 2018: Circulation
https://www.readbyqxmd.com/read/29339168/selection-of-p2y12-inhibitor-in-percutaneous-coronary-intervention-and-or-acute-coronary-syndrome
#17
REVIEW
Udaya Tantry, Eliano P Navarese, Aung Myat, Paul Gurbel
The P2Y12 receptor plays a critical role in the amplification of platelet aggregation in response to various agonists and stable thrombus generation at the site of vascular injury leading to deleterious ischemic complications. Therefore, treatment with a P2Y12 receptor blocker is a major effective strategy to prevent ischemic complications in high -risk patients with acute coronary syndrome (ACS) and patients undergoing percutaneous coronary intervention (PCI). The determination of optimal platelet inhibition is based on maximizing antithrombotic properties while minimizing bleeding risk and is critically dependent on individual patient's propensity for thrombotic and bleeding risks...
January 12, 2018: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/29338641/an-assessment-of-the-level-of-awareness-and-reported-complaints-regarding-occupational-health-hazards-and-the-utilization-of-personal-protective-equipments-among-the-welders-of-lahore-pakistan
#18
Syed Moin Hassan, Usama Nasir, Kanwal Anwar, Usama Talib
Objective To assess the level of awareness and reported complaints of occupational health hazards among the welders of Lahore. Methods A cross-sectional descriptive study of 70 welders. An interview questionnaire was employed to assess awareness and complaints, the possession and utilization of protective personal equipment (PPE), and socio-demographic characteristics. Results All of the respondents were male with a mean age of 25.7 years. 54.3% of the respondents were aware of welding as a risk to their health...
January 17, 2018: International Journal of Occupational and Environmental Health
https://www.readbyqxmd.com/read/29338087/thrombospondin-4-acts-on-pre-synaptic-calcium-channel-alpha-2-delta-1-subunit-to-induce-synaptogenesis-between-sensory-and-spinal-cord-neurons-through-a-t-type-calcium-channel-dependent-pathway-that-is-blocked-by-early-low-dose-gabapentin-treatments
#19
Yanhui Peter Yu, Nian Gong, Tae Dong Kweon, Benjamin Vo, Z David Luo
BACKGROUND AND PURPOSE: Nerve injury induces concurrent upregulation of calcium channel alpha-2-delta-1 subunit (Cav α2 δ1 ) and extracellular matrix protein thrombospondin-4 (TSP4) in dorsal root ganglia and dorsal spinal cord, leading to neuropathic pain state development. Interactions of these proteins promote aberrant excitatory synaptogenesis that contributes to neuropathic pain state development through unknown mechanisms. We investigated the contributory role of Cav α2 δ1 /TSP4 to synaptogenesis, and pathway involved in vitro, and whether gabapentin could block this process and pain development in vivo...
January 16, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29337369/hepatoprotective-effects-of-the-honey-of-apis-cerana-fabricius-on-bromobenzene-induced-liver-damage-in-mice
#20
Haoan Zhao, Ni Cheng, Liangliang He, Guoxia Peng, Qingqing Liu, Tianchen Ma, Wei Cao
Apis cerana honey (honey of Apis cerana Fabricius), widely distributed in the mountain areas of East Asia, has not been studied fully. The hepatoprotective activity of A. cerana honey was evaluated against bromobenzene-induced liver damage in mice. In high dose, A. cerana honey can significantly alleviate liver injury, as is indicated by the depressed levels of serum alanine aminotransferase (ALT) (59.13%) and aspartate aminotransferase (AST) (79.71%), the inhibited malondialdehyde (MDA) content (63.30%), the elevated activities of superoxide dismutase (SOD) (73...
January 16, 2018: Journal of Food Science
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