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https://www.readbyqxmd.com/read/28453369/inhibition-of-inflammatory-response-by-crocin-attenuates-hemorrhagic-shock-induced-organ-damages-in-rats
#1
Long Yang, Xiujuan Dong
Hemorrhagic shock (HS) is associated with an excessive activation of inflammation, contributing to multiple organ failure in numerous medical or surgical conditions. To explore the therapeutic potential of crocin, a natural compound with anti-inflammatory properties, we administered crocin to rats during resuscitation following HS induced by withdrawing blood. Compared with control animals which were sham-treated, HS-operated rats showed organ damages as manifested by enhanced markers of multiple organ dysfunctions...
April 28, 2017: Journal of Interferon & Cytokine Research
https://www.readbyqxmd.com/read/28453302/variant-in-galnt3-gene-linked-with-reduced-coronary-artery-disease-risk-in-chinese-population
#2
Liwei Guo, Duan Li, Mengting Li, Lin Li, Yanmei Huang
AIM: Our previous study found expression of GALNT3 gene was reduced in coronary artery disease (CAD) patients, and it contributed to endothelial injury by regulating apoptosis and matrix metalloproteinase (MMP) expression. GALNT3 gene may be a potential target for future therapeutic intervention of CAD. However, none reports linking the GALNT3 gene to susceptibility of CAD. This study investigated the variant associations of GALNT3 gene and CAD. METHODS: Thirteen single nucleotide polymorphism (SNP) in and around the GALNT3 gene were tagged and analyzed in CAD patients (n = 1515) and control individuals (n = 5019), and the SNPs with CAD were tested with multiple logistic regression analysis in an additive genetic model (with one degree of freedom) after adjusting for age and sex...
April 28, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28448965/neuroprotective-treatments-after-perinatal-hypoxic-ischemic-brain-injury-evaluated-with-magnetic-resonance-spectroscopy
#3
Hester Rijkje Berger, Eva Brekke, Marius Widerøe, Tora Sund Morken
Perinatal hypoxic-ischemic brain injury is a major health problem. Adjuvant treatments that improve the neuroprotective effect of the current treatment, therapeutic hypothermia, are urgently needed. The growing knowledge about the complex pathophysiology of hypoxia-ischemia (HI) has led to the discovery of several important targets for neuroprotection. Early interventions should focus on the preservation of energy metabolism, the reduction of glutamate excitotoxicity and oxidative stress, the maintenance of calcium homeostasis, and the prevention of apoptosis...
April 28, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28448605/vasopressor-use-following-traumatic-injury-a-single-center-retrospective-study
#4
Mathieu Hylands, Marie-Pier Godbout, Sandeep K Mayer, William D Fraser, Alain Vanasse, Marc-André Leclair, Alexis F Turgeon, François Lauzier, Emmanuel Charbonney, Vincent Trottier, Tarek S Razek, André Roy, Frédérick D'Aragon, Emilie Belley-Côté, Andrew G Day, Soazig Le Guillan, Robert Sabbagh, François Lamontagne
OBJECTIVES: Vasopressors are not recommended by current trauma guidelines, but recent reports indicate that they are commonly used. We aimed to describe the early hemodynamic management of trauma patients outside densely populated urban centers. METHODS: We conducted a single-center retrospective cohort study in a Canadian regional trauma center. All adult patients treated for traumatic injury in 2013 who died within 24 hours of admission or were transferred to the intensive care unit were included...
2017: PloS One
https://www.readbyqxmd.com/read/28448025/novel-assay-for-cold-nociception-in-drosophila-larvae
#5
Heather N Turner, Christian Landry, Michael J Galko
How organisms sense and respond to noxious temperatures is still poorly understood. Further, the mechanisms underlying sensitization of the sensory machinery, such as in patients experiencing peripheral neuropathy or injury-induced sensitization, are not well characterized. The genetically tractable Drosophila model has been used to study the cells and genes required for noxious heat detection, which has yielded multiple conserved genes of interest. Little is known however about the cells and receptors important for noxious cold sensing...
April 3, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28447870/does-specialized-inpatient-rehabilitation-affect-whether-or-not-people-with-traumatic-spinal-cord-injury-return-home
#6
Christiana L Cheng, Tova Plashkes, Tian Shen, Nader Fallah, Suzanne Humphreys, Colleen O'Connell, A Gary Linassi, Chester Ho, Christine Short, Karen Ethans, Rebecca Charbonneau, Jérôme Paquet, Vanessa K Noonan
Return to living at home is an important patient-reported outcome following traumatic spinal cord injury (tSCI). Specialized inpatient rehabilitation assists such patients in maximizing function and independence. Our project aim was to describe those patients receiving specialized rehabilitation after tSCI in Canada, and to determine if such rehabilitation improved the likelihood of returning home. This cohort study utilized data from RHSCIR to identify patients with tSCI discharged from 1 of 18 participating acute specialized spine facilities between 2011-2015 to either 1 of 13 participating specialized rehabilitation facilities, or another discharge destination...
April 27, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28447858/risk-prediction-of-hepatotoxicity-in-paracetamol-poisoning
#7
Anselm Wong, Andis Graudins
CONTEXT: Paracetamol (acetaminophen) poisoning is the most common cause of acute liver failure in the developed world. A paracetamol treatment nomogram has been used for over four decades to help determine whether patients will develop hepatotoxicity without acetylcysteine treatment, and thus indicates those needing treatment. Despite this, a small proportion of patients still develop hepatotoxicity. More accurate risk predictors would be useful to increase the early detection of patients with the potential to develop hepatotoxicity despite acetylcysteine treatment...
April 27, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28447808/posttraumatic-stress-disorder-after-spinal-cord-injury
#8
Yue Cao, Chao Li, Susan Newman, Jasmine Lucas, Susan Charlifue, James S Krause
OBJECTIVE: The objective of the study was to identify the relationships of demographics, injury-related characteristics, employment, depressive symptoms, and health events with posttraumatic stress disorder (PTSD) among participants with spinal cord injury. RESEARCH METHOD: A total of 1,063 participants were recruited from 3 sites in different regions (Southeastern, Mountain, and Western) of the United States. Hispanics and non-Hispanic Blacks were oversampled. Three hundred sixty-nine were non-Hispanic White, followed by 361 non-Hispanic Black, 277 Hispanic, and 56 from other racial-ethnic groups...
April 27, 2017: Rehabilitation Psychology
https://www.readbyqxmd.com/read/28447728/high-expression-of-ubiquitin-specific-peptidase-39-is-associated-with-the-development-of-vascular-remodeling
#9
Shuai He, Wei Zhong, Li Yin, Yifei Wang, Zhibing Qiu, Gang Song
Vascular remodeling is the primary cause underlying the failure of angioplasty surgeries, including vascular stenting, transplant vasculopathy and vein grafts. Multiple restenosis‑associated proteins and genes have been identified to account for this. In the present study, the functions of ubiquitin‑specific peptidase 39 (USP39) were investigated in the context of two vascular remodeling models (a mouse common carotid artery ligation and a pig bilateral saphenous vein‑carotid artery interposition graft)...
March 8, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447274/classification-and-regression-tree-model-for-predicting-tracheostomy-in-patients-with-traumatic-cervical-spinal-cord-injury
#10
Dae-Sang Lee, Chi-Min Park, Keumhee Chough Carriere, Joonghyun Ahn
PURPOSE: In patients with cervical spinal cord injury (CSCI), respiratory compromise and the need for tracheostomy are common. The purpose of this study was to identify common risk factors for tracheostomy following traumatic CSCI and develop a decision tree for tracheostomy in traumatic CSCI patients without pulmonary function test. METHODS: Data of 105 trauma patients with CSCI admitted in our institution from April, 2008 to February, 2014 were retrospectively analyzed...
April 26, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28447128/insufficiency-avulsion-fracture-of-the-femoral-attachment-of-the-posterior-cruciate-ligament-of-the-knee-joint
#11
Omar M Albtoush, Marius Horger
Multiple ligaments are involved in avulsion injuries of the knee joint, including both anterior and posterior cruciate ligaments; however, avulsion injury of the posterior cruciate ligament is less frequently encountered than the anterior counterpart. Furthermore, avulsion of the femoral side of the posterior cruciate ligament is far less common than the tibial one.Femoral attachment avulsion fracture of the posterior cruciate ligaments has been reported in literature in adolescents, rarely in adulthood, and never before in elderly patients, showing an inverse relationship with advancement in patient age...
April 26, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28446779/functional-neuronal-differentiation-of-injury-induced-muscle-derived-stem-cell-like-cells-with-therapeutic-implications
#12
Kinga Vojnits, Haiying Pan, Xiaojing Dai, Hao Sun, Qingchun Tong, Radbod Darabi, Johnny Huard, Yong Li
Mammalian skeletal muscles contain a number of heterogeneous cell populations. Our previous study characterized a unique population of myogenic lineage stem cells that can be isolated from adult mammalian skeletal muscles upon injury. These injury-induced muscle-derived stem cell-like cells (iMuSCs) displayed a multipotent state with sensitiveness and strong migration abilities. Here, we report that these iMuSCs have the capability to form neurospheres that represent multiple neural phenotypes. The induced neuronal cells expressed various neuron-specific proteins, their mRNA expression during neuronal differentiation recapitulated embryonic neurogenesis, they generated action potentials, and they formed functional synapses in vitro...
April 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28446183/effect-of-different-artificial-shrinkage-methods-when-applied-before-blastocyst-vitrification-on-perinatal-outcomes
#13
Caizhu Wang, Guixue Feng, Bo Zhang, Hong Zhou, Jinhui Shu, Ruoyun Lin, Huanhua Chen, Zhulian Wu
BACKGROUND: In recent years, single blastocyst transfer combined with vitrification has been applied widely, which can maximize the cumulative pregnancy rate in per oocyte retrieval cycles and minimize the multiple pregnancy rate. Thus, the guarantee for these is the effectiveness of vitrified blastocyst. Studies has shown that AS of the blastocoel cavity prior to vitrification can reduce injuries, increase the thawed blastocyst survival rate and implantation rate. Several AS methods have been established...
April 26, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28445734/opposing-actions-of-fgf8a-on-notch-signaling-distinguish-two-muller-glial-cell-populations-that-contribute-to-retina-growth-and-regeneration
#14
Jin Wan, Daniel Goldman
The teleost retina grows throughout life and exhibits a robust regenerative response following injury. Critical to both these events are Muller glia (or, Muller glial cells; MGs), which produce progenitors for retinal growth and repair. We report that Fgf8a may be an MG niche factor that acts through Notch signaling to regulate spontaneous and injury-dependent MG proliferation. Remarkably, forced Fgf8a expression inhibits Notch signaling and stimulates MG proliferation in young tissue but increases Notch signaling and suppresses MG proliferation in older tissue...
April 25, 2017: Cell Reports
https://www.readbyqxmd.com/read/28445542/no-touch-radiofrequency-ablation-using-multiple-electrodes-an-in-vivo-comparison-study-of-switching-monopolar-versus-switching-bipolar-modes-in-porcine-livers
#15
Won Chang, Jeong Min Lee, Jeong Hee Yoon, Dong Ho Lee, Sang Min Lee, Kyoung Bun Lee, Bo Ram Kim, Tae-Hyung Kim, Seunghyun Lee, Joon Koo Han
OBJECTIVE: To evaluate the in vivo technical feasibility, efficiency, and safety of switching bipolar (SB) and switching monopolar (SM) radiofrequency ablation (RFA) as a no-touch ablation technique in the porcine liver. MATERIALS AND METHODS: The animal care and use committee approved this animal study and 16 pigs were used in two independent experiments. In the first experiment, RFA was performed on 2-cm tumor mimickers in the liver using a no-touch technique in the SM mode (2 groups, SM1: 10 minutes, n = 10; SM2: 15 minutes, n = 10) and SB-mode (1 group, SB: 10 minutes, n = 10)...
2017: PloS One
https://www.readbyqxmd.com/read/28444635/the-leukocentric-theory-of-neurological-disorder-a-manifesto
#16
Robert Fern
Approximately half of the human brain is composed of white matter (WM), a specialized tissue housing the axonal projection of neurons and their necessary supporting glial cells. Axons course long distances from their parent soma, have a delicate structure, large surface area and in many cases are dependent upon a uniquely close morphological arrangement with myelinating oligodendrocyte partners; all factors that may predispose them to injury and disease. WM damage is central to a range of well-characterized disorders including multiple sclerosis and spinal cord injury and is also makes a significant contribution to disorders often considered to be largely focused in gray matter; for example, in stroke where ~49% of injury by volume is located in WM...
April 25, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28444123/a-comparison-of-four-computerized-neurocognitive-assessment-tools%C3%A2-to-a-traditional-neuropsychological-test-battery-in-service-members-with-and-without-mild-traumatic-brain-injury
#17
Wesley R Cole, Jacques P Arrieux, Brian J Ivins, Karen A Schwab, Felicia M Qashu
Objective: Computerized neurocognitive assessment tools (NCATS) are often used as a screening tool to identify cognitive deficits after mild traumatic brain injury (mTBI). However, differing methodology across studies renders it difficult to identify a consensus regarding the validity of NCATs. Thus, studies where multiple NCATs are administered in the same sample using the same methodology are warranted. Method: We investigated the validity of four NCATs: the ANAM4, CNS-VS, CogState, and ImPACT...
April 24, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28442910/targeted-delivery-of-thymosin-beta-4-to-the-injured-myocardium-using-creka-conjugated-nanoparticles
#18
Zheyong Huang, Yanan Song, Zhiqing Pang, Bo Zhang, Hongbo Yang, Hongtao Shi, Jing Chen, Hui Gong, Juying Qian, Junbo Ge
PURPOSE: Thymosin beta 4 (Tβ4) has multiple beneficial facets for myocardial injury, but its efficiency is limited by the low local concentration within the infarct. Here, we established a Tβ4 delivery system for cardiac repair based on the interaction between the abundant fibrin in the infarct zone and the fibrin-targeting moiety clot-binding peptide cysteine-arginine-glutamic acid-lysine-alanine (CREKA). METHODS AND RESULTS: CREKA and Tβ4 were conjugated to nanoparticles (CNP-Tβ4)...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28442300/effects-of-mmp12-on-cell-motility-and-inflammation-during-corneal-epithelial-repair
#19
Marie Wolf, Inna Maltseva, Selene M Clay, Peipei Pan, Abhinay Gajjala, Matilda F Chan
Corneal epithelial defects are a common cause of ocular morbidity and can result in corneal scarring if they do not heal properly. Matrix metalloproteinases (MMPs) are extracellular matrix proteinases that regulate multiple aspects of corneal repair. We have previously shown that MMP12 has a protective effect on corneal fibrosis through its regulation of neutrophil and macrophage infiltration and angiogenesis in a chemical injury model involving full thickness damage to the cornea. However, the role of MMP12 in injuries limited to the corneal epithelium is relatively unknown...
April 22, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28442207/tibio-talo-calcaneal-fusion-after-limb-salvage-procedures-a-retrospective-study
#20
Lukas Zak, Gerald E Wozasek
BACKGROUND: The treatment of limb threatening trauma on the distal tibia or hindfoot often results in posttraumatic osteoarthritis requiring tibiotalocalcaneal (TTC) arthrodesis. The purpose of this study was to present a case series of patients undergoing various techniques of joint fusion after bone reconstruction and deformity correction as a salvage procedure. The study should help trauma surgeons making decisions in limb salvage and deformity correction in complex lower leg and foot injuries by presenting options and treatment strategies...
April 15, 2017: Injury
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