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https://www.readbyqxmd.com/read/28732130/abnormalities-in-the-24-hour-rhythm-of-skin-temperature-in-cirrhosis-sleep-wake-and-general-clinical-implications
#1
Maria Garrido, Desy Saccardo, Michele De Rui, Elia Vettore, Alberto Verardo, Paolo Carraro, Nicola Di Vitofrancesco, Ali R Mani, Paolo Angeli, Massimo Bolognesi, Sara Montagnese
BACKGROUND & AIMS: Sleep preparation/onset are associated with peripheral vasodilatation and a decrease in body temperature. The hyperdynamic syndrome exhibited by patients with cirrhosis may impinge on sleep preparation, thus contributing to their difficulties falling asleep. The aim of this study was the assessment of skin temperature, in relation to sleep-wake patterns, in patients with cirrhosis. METHODS: Fifty three subjects were initially recruited, and 46 completed the study...
July 21, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28731988/roles-of-mitogen-activating-protein-kinase-kinase-kinase-kinase-3-map4k3-in-preterm-skeletal-muscle-satellite-cell-myogenesis-and-mammalian-target-of-rapamycin-complex-1-mtorc1-activation-regulation
#2
Chu-Yi Guo, Mu-Xue Yu, Jie-Min Dai, Si-Nian Pan, Zhen-Tong Lu, Xiao-Shan Qiu, Si-Qi Zhuang
BACKGROUND Preterm skeletal muscle genesis is a paradigm for myogenesis. The role of mitogen-activating protein kinase kinase kinase kinase-3 (MAP4K3) in preterm skeletal muscle satellite cells myogenesis or its relationship to mammalian target of rapamycin complex 1 (mTORC1) activity have not been previously elaborated. MATERIAL AND METHODS Small interfering RNA (siRNA) interference technology was used to inhibit MAP4K3 expression. Leucine stimulation experiments were performed following MAP4K3-siRNA interference...
July 21, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28731198/gsk-3%C3%AE-inhibition-suppresses-instability-induced-osteolysis-by-a-dual-action-on-osteoblast-and-osteoclast-differentiation
#3
Mehdi Amirhosseini, Rune Vinther Madsen, K Jane Escott, Mathias Bostrom, F Patrick Ross, Anna Fahlgren
Currently, there are no medications available to treat aseptic loosening of orthopedic implants. Using osteoprotegerin fusion protein (OPG-Fc), we previously blocked instability-induced osteoclast differentiation and peri-prosthetic osteolysis. Wnt/β-catenin signaling, which regulates OPG secretion from osteoblasts, also modulates the bone tissue response to mechanical loading. We hypothesized that activating Wnt/β-catenin signaling by inhibiting glycogen synthase kinase-3β (GSK-3β) would reduce instability-induced bone loss through regulation of both osteoblast and osteoclast differentiation...
July 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28730932/effect-site-concentration-of-remifentanil-required-to-blunt-haemodynamic-responses-during-tracheal-intubation-a-randomized-comparison-between-single-and-double-lumen-tubes
#4
Tae Kyong Kim, Deok Man Hong, Seo Hee Lee, Hyesun Paik, Se Hee Min, Jeong-Hwa Seo, Chul-Woo Jung, Jae-Hyon Bahk
Objective To investigate the effect-site concentration of remifentanil required to blunt haemodynamic responses during tracheal intubation with a single-lumen tube (SLT) or a double-lumen tube (DLT). Methods Patients scheduled for thoracic surgery requiring one-lung ventilation were randomly allocated to either the SLT or DLT group. All patients received a target-controlled infusion of propofol and a predetermined concentration of remifentanil. Haemodynamic parameters during intubation were recorded. The effect-site concentration of remifentanil was determined using a delayed up-and-down sequential allocation method...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28730297/trauma-to-the-bladder-and-ureter-a-review-of-diagnosis-management-and-prognosis
#5
REVIEW
B Phillips, S Holzmer, L Turco, M Mirzaie, E Mause, A Mause, A Person, S W Leslie, D L Cornell, M Wagner, R Bertellotti, J A Asensio
BACKGROUND: Injuries to the ureter or bladder are relatively rare. Therefore, a high level of clinical suspicion and knowledge of operative anatomy is of utmost importance for their management. Herein, a review of the literature related to the modern diagnosis, management, and prognosis for bladder and ureteral injuries is presented. METHODS: A literature search was conducted through PubMed. A thorough search of the world's literature published in English was completed...
July 20, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28729949/modeling-the-effect-of-blunt-impact-on-mitochondrial-function-in-cartilage-implications-for-development-of-osteoarthritis
#6
Georgi I Kapitanov, Bruce P Ayati, James A Martin
OBJECTIVE: Osteoarthritis (OA) is a disease characterized by degeneration of joint cartilage. It is associated with pain and disability and is the result of either age and activity related joint wear or an injury. Non-invasive treatment options are scarce and prevention and early intervention methods are practically non-existent. The modeling effort presented in this article is constructed based on an emerging biological hypothesis-post-impact oxidative stress leads to cartilage cell apoptosis and hence the degeneration observed with the disease...
2017: PeerJ
https://www.readbyqxmd.com/read/28729675/oxygen-induced-impairment-in-arterial-function-is-corrected-by-slow-breathing-in-patients-with-type-1-diabetes
#7
Luciano Bernardi, Daniel Gordin, Marco Bordino, Milla Rosengård-Bärlund, Anna Sandelin, Carol Forsblom, Per-Henrik Groop
Hyperoxia and slow breathing acutely improve autonomic function in type-1 diabetes. However, their effects on arterial function may reveal different mechanisms, perhaps potentially useful. To test the effects of oxygen and slow breathing we measured arterial function (augmentation index, pulse wave velocity), baroreflex sensitivity (BRS) and oxygen saturation (SAT), during spontaneous and slow breathing (6 breaths/min), in normoxia and hyperoxia (5 L/min oxygen) in 91 type-1 diabetic and 40 age-matched control participants...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28729413/breast-cancer-suppression-by-progesterone-receptors-is-mediated-by-their-modulation-of-estrogen-receptors-and-rna-polymerase-iii
#8
Jessica Finlay-Schultz, Austin E Gillen, Heather M Brechbuhl, Joshua J Ivie, Shawna B Matthews, Britta M Jacobsen, David L Bentley, Peter Kabos, Carol A Sartorius
Greater than 50% of estrogen receptor (ER)-positive breast cancers co-express the progesterone receptor (PR), which can directly and globally modify ER action to attenuate tumor growth. However, whether this attenuation is mediated only through PR-ER interaction remains unknown. To address this question, we assessed tumor growth in ER/PR-positive PDX models of breast cancer where both natural and synthetic progestins were found to antagonize the mitogenic effects of estrogens. Probing the genome-wide mechanisms by which this occurs, we documented that chronic progestin treatment blunted ER-mediated gene expression up to 2-fold at the level of mRNA transcripts...
July 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28729308/the-effect-of-combined-resistance-exercise-training-and-vitamin-d3-supplementation-on-musculoskeletal-health-and-function-in-older-adults-a-systematic-review-and-meta-analysis
#9
Anneka Elizabeth Antoniak, Carolyn A Greig
OBJECTIVES: In older adults, there is a blunted responsiveness to resistance training and reduced muscle hypertrophy compared with younger adults. There is evidence that both exercise training and vitamin D supplementation may benefit musculoskeletal health in older adults, and it is plausible that in combination their effects may be additive. The aim of this systematic review was to evaluate the effectiveness of combined resistance exercise training and vitamin D3 supplementation on musculoskeletal health in older adults...
July 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28727763/loss-of-receptor-activity-modifying-protein-2-in-mice-causes-placental-dysfunction-and-alters-pth1r-regulation
#10
Mahita Kadmiel, Brooke C Matson, Scott T Espenschied, Patricia M Lenhart, Kathleen M Caron
Receptor activity-modifying protein 2 (Ramp2) is a single-pass transmembrane protein that heterodimerizes with several family B G-protein coupled receptors to alter their function. Ramp2 has been primarily characterized in association with calcitonin receptor-like receptor (Calcrl, CLR), forming the canonical receptor complex for the endocrine peptide adrenomedullin (Adm, AM). However, we previously demonstrated that Ramp2+/- female mice display a constellation of endocrine-related phenotypes that are distinct from those of Adm+/- and Calcrl+/- mice, implying that RAMP2 has physiological functions beyond its canonical complex...
2017: PloS One
https://www.readbyqxmd.com/read/28726014/a-study-of-the-therapeutic-effects-of-resveratrol-on-blunt-chest-trauma-induced-acute-lung-injury-in-rats-and-the-potential-role-of-endocan-as-a-biomarker-of-inflammation
#11
Aysun Caglar Torun, Serife Tutuncu, Burcu Ustun, Hızır Ufuk Akdemir
The present study focused on the therapeutic effects of resveratrol in a rat model of blunt chest trauma-induced acute lung injury and the potential role of endocan as a biomarker of inflammation. They were randomly divided into the following four groups (n = 7 in each group): control group (no treatment or trauma); trauma group (trauma-induced group); resveratrol group (resveratrol [0.3 mg/kg] administered via the i.p. route group); and resveratrol + trauma group (resveratrol [0.3 mg/kg] administered via the i...
July 19, 2017: Inflammation
https://www.readbyqxmd.com/read/28725215/prolyl-hydroxylase-domain-2-inhibition-improves-skeletal-muscle-regeneration-in-a-male-murine-model-of-obesity
#12
Indranil Sinha, Dharaniya Sakthivel, Benjamin A Olenchock, Carla R Kruse, Jeremy Williams, David E Varon, Jessica D Smith, Arin L Madenci, Kristo Nuutila, Amy J Wagers
Obesity leads to a loss of muscle mass and impaired muscle regeneration. In obese individuals, pathologically elevated levels of prolyl hydroxylase domain enzyme 2 (PHD2) limit skeletal muscle hypoxia-inducible factor-1 alpha and vascular endothelial growth factor (VEGF) expression. Loss of local VEGF may further impair skeletal muscle regeneration. We hypothesized that PHD2 inhibition would restore vigorous muscle regeneration in a murine model of obesity. Adult (22-week-old) male mice were fed either a high-fat diet (HFD), with 60% of calories derived from fat, or a regular diet (RD), with 10% of calories derived from fat, for 16 weeks...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28724972/asymptomatic-transmission-and-the-dynamics-of-zika-infection
#13
Seyed M Moghadas, Affan Shoukat, Aquino L Espindola, Rafael S Pereira, Fatima Abdirizak, Marek Laskowski, Cecile Viboud, Gerardo Chowell
Following the 2013-14 outbreak in French Polynesia, the Zika virus (ZIKV) epidemic spread widely to many countries where Aedes Aegypti as the main transmitting vector is endemic. The lack of a second wave of ZIKV infection in most affected regions may suggest that a sufficiently high level of herd immunity was reached during the first wave. We developed an agent-based transmission model to investigate the role of asymptomatic infection on the likelihood of observing a second wave, while accounting for its relative transmissibility...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724751/tomo-seq-identifies-sox9-as-a-key-regulator-of-cardiac-fibrosis-during-ischemic-injury
#14
Grégory P A Lacraz, Jan Philipp Junker, Monika M Gladka, Bas Molenaar, Koen T Scholman, Marta Vigil-Garcia, Danielle Versteeg, Hesther de Ruiter, Marit W Vermunt, Menno P Creyghton, Manon M H Huibers, Nicolaas de Jonge, Alexander van Oudenaarden, Eva van Rooij
Background -Cardiac ischemic injury induces a pathological remodeling response, which can ultimately lead to heart failure. Detailed mechanistic insights into molecular signaling pathways relevant for different aspects of cardiac remodeling will support the identification of novel therapeutic targets. Methods -While genome-wide transcriptome analysis on diseased tissues has greatly advanced our understanding of the regulatory networks that drive pathological changes in the heart, this approach has been disadvantaged by the fact that the signals are derived from tissue homogenates...
July 19, 2017: Circulation
https://www.readbyqxmd.com/read/28724607/renal-hemodynamic-effects-of-glucagon-like-peptide-1-agonist-are-mediated-by-nitric-oxide-but-not-prostaglandin
#15
Scott Culver Thomson, Ali Kashkouli, Zhi Zhao Liu, Prabhleen Singh
The incretin hormone, glucagon like peptide-1 (GLP-1), is known for responding to dietary fat and carbohydrate. It elicits effects on pancreas, gut, and brain to stabilize blood glucose levels. We have previously reported that the GLP-1 agonist, exenatide, vasodilates the kidney and suppresses proximal reabsorption. The present study was undertaken to determine whether the renal effects of exenatide are mediated by nitric oxide (NO) and/or prostaglandins. Inulin clearance (GFR) and urine flow rate (UV) were measured in anesthetized rats before and during exenatide infusion (1 nmol/h iv)...
July 19, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28724441/computed-tomography-during-initial-management-and-mortality-among-hemodynamically-unstable-blunt-trauma-patients-a-nationwide-retrospective-cohort-study
#16
Yusuke Tsutsumi, Shingo Fukuma, Asuka Tsuchiya, Tatsuyoshi Ikenoue, Yosuke Yamamoto, Sayaka Shimizu, Miho Kimachi, Shunichi Fukuhara
BACKGROUND: Although many hemodynamically unstable trauma patients undergo computed tomography (CT) to identify a source of bleeding, this practice is currently only recommended by a few guidelines. To clarify whether CT has harmful effects among these patients, we examined the association between CT during initial management and mortality among unstable blunt trauma patients. METHODS: This was a retrospective cohort study based on Japan Trauma Data Bank 2004-2014 registry data...
July 19, 2017: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/28724250/reuse-water-exposure-duration-seasonality-and-treatment-affect-tissue-responses-in-a-model-fish
#17
B J Blunt, A Singh, L Wu, M Gamal El-Din, M Belosevic, K B Tierney
Partially remediated gray (reuse) water will likely find increasing use in a variety of applications owing to the increasing scarcity of freshwater. We aimed to determine if a model fish, the goldfish, could sense reuse water using olfaction (smell), and if 30min or 7d (acute) and 60d (sub-chronic) exposures would affect their olfactory responses to natural odorants. We examined olfaction as previous studies have found that numerous chemicals can impair the olfactory sense, which is critical to carrying out numerous life-sustaining behaviors from feeding to mating...
July 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28723840/cervical-spine-evaluation-and-clearance-in-the-intoxicated-patient-a-prospective-western-trauma-association-multi-institutional-trial-and-survey
#18
Matthew J Martin, Lisa D Bush, Kenji Inaba, Saskya Byerly, Martin Schreiber, Kimberly A Peck, Galinos Barmparas, Jay Menaker, Joshua P Hazelton, Raul Coimbra, Martin D Zielinski, Carlos V R Brown, Chad G Ball, Jill R Cherry-Bukowiec, Clay Cothren Burlew, Julie Dunn, C Todd Minshall, Matthew M Carrick, Gina M Berg, Demetrios Demetriades, William Long
INTRODUCTION: Intoxication often prevents clinical clearance of the cervical spine (Csp) after trauma leading to prolonged immobilization even with a normal CT scan. We evaluated the accuracy of CT at detecting clinically significant Csp injury, and surveyed participants on related opinions and practice. METHODS: A prospective multicenter study (2013-2015) at 17 centers. All adult blunt trauma patients underwent structured clinical examination and imaging including a Csp CT, with follow-up thru discharge...
July 19, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28723783/novel-surgical-management-of-cyclodialysis-cleft-via-anterior-chamber-perfusion-case-report
#19
Jinfei Tang, Ergang Du, Jie Wang
RATIONALE: Cyclodialysis cleft is a relatively rare but severe condition with persistent ocular hypotony, which can cause morphologic changes and visual loss. Here we report a case of a traumatic cyclodialysis cleft that was successfully managed with direct cyclopexy via anterior chamber perfusion. During the operation, if there is aqueous humor flowing out of the deep scleral incision, the cleft is not closed, and surgery should continue until there is no aqueous outflow. PATIENT CONCERNS: A 66-year-old man was treated for severe blunt ocular trauma of the left eye and a resultant cyclodialysis cleft, lens subluxation, choroidal detachment and a cataract...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28720405/persistent-cognitive-and-morphological-alterations-induced-by-repeated-exposure-of-adolescent-rats-to-the-abused-inhalant-toluene
#20
K M Braunscheidel, J T Gass, P J Mulholland, S B Floresco, J J Woodward
While thepsychoactive inhalant toluene causes behavioral effects similarto those produced by other drugs of abuse, the persistent behavioral and anatomical abnormalities induced by toluene exposure are not well known. To mimic human "binge-like" inhalant intoxication, adolescent, male Sprague-Dawley rats were exposed to toluene vapor (57000 ppm) twice daily for five consecutive days. These rats remained in their home cages until adulthood (P60), when they were trained in operant boxes to respond to a palatable food reward and then challenged with several different cognitive tasks...
July 15, 2017: Neurobiology of Learning and Memory
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