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https://www.readbyqxmd.com/read/28100519/paravertebral-block-in-paediatric-abdominal-surgery-a-systematic-review-and-meta-analysis-of-randomized-trials
#1
E A Page, K L Taylor
The increased popularity of paravertebral block (PVB) can be attributed to its relative safety and comparable efficacy when compared with epidural analgesia. It has thus been recommended for open cholecystectomy and other less painful surgeries such as inguinal herniorraphy and appendectomy. We performed a systematic review of PVB in paediatric abdominal conditions to assess its clinical efficacy and side effects compared with other analgesic therapies.A search of Medline, Embase, and Web of Science and hand-searching references from inception date to May 2016 was done...
February 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28100486/c-jun-enhances-intestinal-epithelial-restitution-after-wounding-by-increasing-phospholipase-c-%C3%AE-1-transcription
#2
Peng-Yuan Wang, Shelley R Wang, Lan Xiao, Jie Chen, Jian-Ying Wang, Jaladanki N Rao
c-Jun is an AP-1 transcription factor and implicated in many aspects of cellular functions, but its exact role in the regulation of early intestinal epithelial restitution after injury remains largely unknown. Phospholipase C-γ1 (PLCγ1) catalyzes hydrolysis of phosphatidylinositol 4,5 biphosphate into the second messenger diacylglycerol and inositol 1,4,5 triphosphate, and coordinates Ca(2+) stores mobilization, and regulates cell migration and proliferation in response to stress. Here we reported that c-Jun up-regulates PLCγ1 expression and enhances PLCγ1-induced Ca(2+) signaling, thus promoting intestinal epithelial restitution after wounding...
January 18, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28099880/modifications-of-inhibitory-transmission-onto-pyramidal-neurons-by-postnatal-exposure-to-mk-801-effects-of-enriched-environment
#3
Amir Shojaei, Afsaneh Kamali Anaraki, Javad Mirnajafi-Zadeh, Nafiseh Atapour
Early enriched environment (EE) prevents several deficits associated with postnatal MK-801 [N-Methyl-D-Aspartate (NMDA) receptor antagonist] treatment such as cognitive and locomotor deficits. We sought physiological correlates to such changes by looking at inhibitory synaptic inputs onto pyramidal cells in a prefrontal cortex slice preparation. Pharmacologically isolated γ-amino-butyric acid A (GABAA) receptor-mediated currents were measured using whole-cell patch clamp recordings. Wistar rats were raised in standard or EE from birth up to the time of experiments and were injected with saline or MK-801 (1mg/kg) on postnatal days (P) 6-10...
January 15, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28098184/infrared-laser-induced-gene-expression-for-tracking-development-and-function-of-single-c-elegans-embryonic-neurons
#4
Anupriya Singhal, Shai Shaham
Visualizing neural-circuit assembly in vivo requires tracking growth of optically resolvable neurites. The Caenorhabditis elegans embryonic nervous system, comprising 222 neurons and 56 glia, is attractive for comprehensive studies of development; however, embryonic reporters are broadly expressed, making single-neurite tracking/manipulation challenging. We present a method, using an infrared laser, for reproducible heat-dependent gene expression in small sublineages (one to four cells) without radiation damage...
January 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28093257/selective-preservation-of-cholinergic-mecp2-rescues-specific-rett-syndrome-like-phenotypes-in-mecp2-stop-mice
#5
Huanhuan Zhou, Wei Wu, Ying Zhang, Haiyang He, Zhefeng Yuan, Zhiwei Zhu, Zhengyan Zhao
RTT is a neurodevelopmental disorder characterized by growth regression, motor dysfunction, stereotypic hand movements, and autism features. Typical Rett syndrome (RTT) is predominantly caused by mutations in X-linked MeCP2 gene which encodes methyl-CpG-binding protein 2 (MeCP2). The brain-abundant MeCP2 protein mainly functions as a transcriptional regulator for neurodevelopment-associated genes. Specific functions of MeCP2 in certain neuron types remain to be known. Although cholinergic system is an important modulating system in brain, how MeCP2 in cholinergic neurons contribute to RTT has not been clearly understood...
January 13, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28089546/expression-of-interleukin-6-by-a-recombinant-rabies-virus-enhances-its-immunogenicity-as-a-potential-vaccine
#6
Jun Luo, Boyue Zhang, Yuting Wu, Qin Tian, Jing Zhao, Ziyu Lyu, Qiong Zhang, Mingzhu Mei, Yongwen Luo, Xiaofeng Guo
Several studies have confirmed that interleukin-6 (IL6) mediates multiple biological effects that enhance immune responses when used as an adjuvant. In the present study, recombinant rabies virus (RABV) expressing canine IL6 (rHEP-CaIL6) was rescued and its pathogenicity and immunogenicity were investigated in mice. We demonstrated that mice received a single intramuscular immunization with rHEP-CaIL6 showed an earlier increase and higher maximum titres of virus-neutralizing antibody (VNA) as well as anti-RABV antibodies compared with mice immunized with the parent strain...
January 12, 2017: Vaccine
https://www.readbyqxmd.com/read/28077638/a-conserved-glycine-residue-is-required-for-proper-functioning-of-a-baculovirus-vp39-protein
#7
Susumu Katsuma, Ryuhei Kokusho
: The baculovirus VP39 is a major nucleocapsid protein essential for viral propagation. However, the critical domains or residues of the VP39 protein have not yet been identified. Here, we performed mutagenesis experiments of Bombyx mori nucleopolyhedrovirus (BmNPV) using 5-bromo-2' -deoxyuridine and isolated a BmNPV mutant that produced fewer occlusion bodies than the wild-type virus. This mutant also produced fewer infectious budded viruses (BVs), when compared with the wild-type virus in both cultured cells and B...
January 11, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28076890/suppression-of-osteogenic-activity-by-regulation-of-wnt-and-bmp-signaling-during-titanium-particle-induced-osteolysis
#8
Ju-Suk Nam, Ashish Ranjan Sharma, Supriya Jagga, Dong-Hyun Lee, Garima Sharma, Lich Thi Nguyen, Yeon Hee Lee, Jun-Dong Chang, Chiranjib Chakraborty, Sang-Soo Lee
Periprosthetic osteolysis remains the leading obstacle for total joint replacements. Primarily, it was thought that aseptic loosening is mainly caused by macrophage mediated inflammatory process arising from production of wear debris. The role of osteoclasts and its sequential bone resorption ability has been extensively studied, but little is known about impaired osteogenesis during osteolysis. In the current study, we have tried to delineate the regulatory mechanism of osteogenic signals by Ti particles in osteoprogenitor cells as well its participatory role in wear debris induced osteolysis...
January 11, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28072475/safety-of-sulfur-hexafluoride-microbubbles-in-sonography-of-abdominal-and-superficial-organs-retrospective-analysis-of-30-222-cases
#9
Chunlin Tang, Kejing Fang, Yanli Guo, Rui Li, Xiaozhou Fan, Ping Chen, Zhaohui Chen, Qiangwei Liu, Ye Zou
OBJECTIVES: The purpose of this study was to investigate the safety of the sulfur hexafluoride microbubble contrast agent SonoVue (Bracco SpA, Milan, Italy) and to implement precautions with the intent of further improving the safety of this contrast agent. METHODS: A total of 30,222 patients undergoing contrast-enhanced sonography of abdominal and superficial organs in our hospital from January 2005 to December 2014 were retrospectively investigated. SonoVue was used as the ultrasound contrast agent...
January 10, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28070029/the-relationship-between-scores-and-outcomes-for-polytrauma-patients-in-the-emergency-department-a-case-study
#10
Maria Gioffre-Florio, Letizia Maria Murabito, Carmela Visalli, Alessandra Villari, Floriana Lauritano, Carla Bramanti, Fausto Fama
AIM: Traumas are one of the most relevant pathological events in health care, because of clinical and prognostic relevance. Morbidity and mortality rates are strongly affected by the timely and correct approach to the patient (golden hour). The objective of this study was to investigate the possible influence of the diagnostic time and of the Injury Severity Score (ISS) on outcomes in trauma patients. MATERIAL OF STUDY: Out of a total of 240,833 emergency patients, we observed, 447 polytrauma...
December 29, 2016: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28067668/adaptor-proteins-numb-and-numbl-promote-cell-cycle-withdrawal-by-targeting-erbb2-for-degradation
#11
Maretoshi Hirai, Yoh Arita, C Jane McGlade, Kuo-Fen Lee, Ju Chen, Sylvia M Evans
Failure of trabecular myocytes to undergo appropriate cell cycle withdrawal leads to ventricular noncompaction and heart failure. Signaling of growth factor receptor ERBB2 is critical for myocyte proliferation and trabeculation. However, the mechanisms underlying appropriate downregulation of trabecular ERBB2 signaling are little understood. Here, we have found that the endocytic adaptor proteins NUMB and NUMBL were required for downregulation of ERBB2 signaling in maturing trabeculae. Loss of NUMB and NUMBL resulted in a partial block of late endosome formation, resulting in sustained ERBB2 signaling and STAT5 activation...
January 9, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28065758/vitamin-e-reduces-endosulfan-induced-toxic-effects-on-morphology-and-behavior-in-early-development-of-zebrafish-danio-rerio
#12
K Dale, J D Rasinger, K L Thorstensen, S Penglase, S Ellingsen
The aim of this study was to investigate if vitamin E (α-TOC) modulates the developmental toxicity of the pesticide endosulfan (ESF), using a modified zebrafish embryotoxicity test (ZET). Zebrafish (Danio rerio) embryos were exposed from 6 to 72 h post fertilization (hpf) to either ESF (0.1-50 mg/L) or α-TOC (0.01-3 mM) alone or in combination. The effects of these exposures on embryonic morphology, larval behavior and antioxidant gene expression were analyzed. Phenotypic analysis at 48 hpf showed that ESF led to a dose-dependent increase in embryonic deformities, including axis malformations, pericardial edema and reduced pigmentation...
January 5, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28065741/essential-roles-for-cdx-in-murine-primitive-hematopoiesis
#13
Travis Brooke-Bisschop, Joanne G A Savory, Tanya Foley, Randy Ringuette, David Lohnes
The Cdx transcription factors play essential roles in primitive hematopoiesis in the zebrafish where they exert their effects, in part, through regulation of hox genes. Defects in hematopoiesis have also been reported in Cdx mutant murine embryonic stem cell models, however, to date no mouse model reflecting the zebrafish Cdx mutant hematopoietic phenotype has been described. This is likely due, in part, to functional redundancy among Cdx members and the early lethality of Cdx2 null mutants. To circumvent these limitations, we used Cre-mediated conditional deletion to assess the impact of concomitant loss of Cdx1 and Cdx2 on murine primitive hematopoiesis...
January 5, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28062019/care-delivery-patterns-processes-and-outcomes-for-primary-ovarian-cancer-surgery-a-population-based-review-using-a-national-administrative-database
#14
Saad Shakeel, Laurie Elit, Noori Akhtar-Danesh, Laura Schneider, Christian Finley
OBJECTIVES: In this pan-Canadian study, we sought to elucidate the current state of surgical care for primary ovarian cancers and factors influencing selected short-term outcomes; these were in-hospital mortality (IHM), major complications (MCs), failure-to-rescue (FTR), and hospital length of stay (LOS). METHODS: We created a population cohort using inpatient admission records from the Canadian Institute of Health Information data set (2004-2012). Multilevel logistic regression and flexible parametric survival analyses, adjusted for hospital clustering effect, were conducted to determine the effect of patient-specific factors (i...
January 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28059660/effects-of-decompressive-craniectomy-on-functional-outcomes-and-death-in-poor-grade-aneurysmal-subarachnoid-hemorrhage-a-systematic-review-and-meta-analysis
#15
Naif M Alotaibi, Ghassan Awad Elkarim, Nardin Samuel, Oliver G S Ayling, Daipayan Guha, Aria Fallah, Abdulrahman Aldakkan, Blessing N R Jaja, Airton Leonardo de Oliveira Manoel, George M Ibrahim, R Loch Macdonald
OBJECTIVE Patients with poor-grade aneurysmal subarachnoid hemorrhage (aSAH) (World Federation of Neurosurgical Societies Grade IV or V) are often considered for decompressive craniectomy (DC) as a rescue therapy for refractory intracranial hypertension. The authors performed a systematic review and meta-analysis to assess the impact of DC on functional outcome and death in patients after poor-grade aSAH. METHODS A systematic review and meta-analysis were performed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines...
January 6, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28050391/comparison-of-efficacy-and-safety-of-intramuscular-piroxicam-and-tramadol-for-post-operative-pain-in-patients-undergoing-caesarean-delivery
#16
Tejashree Thippeswamy, Bhuvana Krishnaswamy, Girish M Bengalorkar, Narayanaswamy Mariyappa
INTRODUCTION: Post-caesarean section pain can be both stressful and unfavourable. Effective and rapid reduction of pain facilitates early ambulation and care of the new born. Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) and opioids are used for pain relief but they are associated with adverse effects both in the mother and the child. AIM: To evaluate efficacy and safety of piroxicam and tramadol in post-caesarean section pain. MATERIALS AND METHODS: Primigravidae who underwent elective caesarean section received either piroxicam 20mg or tramadol 100mg intra-muscularly, following recovery from anaesthesia...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28049832/forkhead-box-a2-foxa2-is-essential-for-uterine-function-and-fertility
#17
Andrew M Kelleher, Wang Peng, James K Pru, Cindy A Pru, Francesco J DeMayo, Thomas E Spencer
Establishment of pregnancy is a critical event, and failure of embryo implantation and stromal decidualization in the uterus contribute to significant numbers of pregnancy losses in women. Glands of the uterus are essential for establishment of pregnancy in mice and likely in humans. Forkhead box a2 (FOXA2) is a transcription factor expressed specifically in the glands of the uterus and is a critical regulator of postnatal uterine gland differentiation in mice. In this study, we conditionally deleted FOXA2 in the adult mouse uterus using the lactotransferrin Cre (Ltf-Cre) model and in the neonatal mouse uterus using the progesterone receptor Cre (Pgr-Cre) model...
January 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28045472/inhaled-nitric-oxide-for-respiratory-failure-in-preterm-infants
#18
REVIEW
Keith J Barrington, Neil Finer, Thomas Pennaforte
BACKGROUND: Inhaled nitric oxide (iNO) is effective in term infants with hypoxic respiratory failure. The pathophysiology of respiratory failure and the potential risks of iNO differ substantially in preterm infants, necessitating specific study in this population. OBJECTIVES: To determine effects of treatment with inhaled nitric oxide (iNO) on death, bronchopulmonary dysplasia (BPD), intraventricular haemorrhage (IVH) or other serious brain injury and on adverse long-term neurodevelopmental outcomes in preterm newborn infants with hypoxic respiratory failure...
January 3, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28045461/antidepressant-responsiveness-in-adulthood-is-permanently-impaired-after-neonatal-destruction-of-the-neurogenic-pool
#19
S Yu, I Zutshi, R Stoffel, J Zhang, A P Ventura-Silva, N Sousa, P S Costa, F Holsboer, A Patchev, O F X Almeida
The dynamic turnover of hippocampal neurons is implicated in the regulation of cognitive and affective behavior. Extending our previous demonstration that administration of dexamethasone (ND) to neonatal rats depletes the resident population of neural precursor cells (NPC) and restrains the size of the neurogenic regions, we now show that the adverse effects of ND persist into adulthood. Specifically, ND impairs repletion of the neurogenic pool and neurogenesis; ND also compromises cognitive performance, the ability to actively adapt to an acute stressor and, the efficacy of glucocorticoid (GC) negative feedback...
January 3, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28043938/mtorc1-activation-downregulates-fgfr3-and-pth-pthrp-receptor-in-articular-chondrocytes-to-initiate-osteoarthritis
#20
H Zhang, H Wang, C Zeng, B Yan, J Ouyang, X Liu, Q Sun, C Zhao, H Fang, J Pan, D Xie, J Yang, T Zhang, X Bai, D Cai
OBJECTIVE: Articular chondrocyte activation, involving aberrant proliferation and prehypertrophic differentiation, is essential for osteoarthritis (OA) initiation and progression. Disruption of mechanistic target of rapamycin complex 1 (mTORC1) promotes chondrocyte autophagy and survival, and decreases the severity of experimental OA. However, the role of cartilage mTORC1 activation in OA initiation is unknown. In this study, we elucidated the specific role of mTORC1 activation in OA initiation, and identify the underlying mechanisms...
December 31, 2016: Osteoarthritis and Cartilage
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