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https://www.readbyqxmd.com/read/28340403/micro-and-macrovascular-function-in-children-with-sickle-cell-anaemia-and-sickle-cell-haemoglobin-c-disease
#1
Berenike Möckesch, Keyne Charlot, Stéphane Jumet, Marc Romana, Lydia Divialle-Doumdo, Marie-Dominique Hardy-Dessources, Marie Petras, Benoît Tressieres, Vanessa Tarer, Olivier Hue, Maryse Etienne-Julan, Philippe Connes, Sophie Antoine-Jonville
It is unclear whether vascular function is affected similarly in children with sickle cell anaemia (SS) and children with sickle haemoglobin C (SC) disease. Therefore, we compared micro and macrovascular functions in healthy (AA) children, children with SS and SC disease, and assessed their association with physical activity. Participants (24 SS, 22 SC and 16 AA), were compared in terms of 1) thermal hyperaemic response (finger pad warming to 42°C) measured by Laser Doppler techniques, 2) arterial stiffness determined by pulse wave velocity, 3) daily energy expenditure related to moderate and intense physical activities estimated by questionnaire and 4) fitness level, evaluated by the six-minute walk test...
February 4, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28340244/bupropion-administration-increases-resting-state-functional-connectivity-in-dorso-medial-prefrontal-cortex
#2
Ewelina Rzepa, Zola Dean, Ciara McCabe
Background: Patients on the selective serotonergic re-uptake inhibitors (SSRI) like citalopram report emotional blunting. We have shown previously that citalopram reduces resting-state functional connectivity (RSFC) in healthy volunteers in a number of brain regions including the dorso-medial prefrontal cortex, which may be related to its clinical effects. Bupropion is a dopaminergic and noradrenergic re-uptake inhibitor (DNRI) and is not reported to cause emotional blunting. However how bupropion affects RSFC in healthy controls remains unknown...
March 11, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28339595/does-starting-to-smoke-cigars-trigger-onset-of-cannabis-blunt-smoking
#3
Brian J Fairman, James C Anthony
Introduction: Among United States teens during the 1990s, increasing cigar use coincided with increasing use of tobacco cigar shells filled with cannabis, called "blunts." Cigar smokers are more likely to use cannabis, and we hypothesized that starting to smoke cigars might be a probabilistic "trigger" of blunt smoking. We turned to the case-crossover approach to evaluate this hypothesis. Methods: Within US National Surveys on Drug Use and Health, 2009-2013, we identified a nationally representative sample of newly incident blunt smokers aged 12- to 21-years-old (n = 4868) and compared month-of-onsets for smoking of cigars and blunts...
January 25, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28335113/traumatic-blunt-aortic-injuries-at-unusual-locations-a-retrospective-single-institution-study
#4
Yauhen Tarbunou, Miche J Sabra, James W Dennis
No abstract text is available yet for this article.
January 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28333524/developmental-origins-of-infant-emotion-regulation-mediation-by-temperamental-negativity-and-moderation-by-maternal-sensitivity
#5
Jenna C Thomas, Nicole Letourneau, Tavis S Campbell, Lianne Tomfohr-Madsen, Gerald F Giesbrecht
Emotion regulation is essential to cognitive, social, and emotional development and difficulties with emotion regulation portend future socioemotional, academic, and behavioral difficulties. There is growing awareness that many developmental outcomes previously thought to begin their development in the postnatal period have their origins in the prenatal period. Thus, there is a need to integrate evidence of prenatal influences within established postnatal factors, such as infant temperament and maternal sensitivity...
April 2017: Developmental Psychology
https://www.readbyqxmd.com/read/28332921/leaving-the-skin-incision-open-may-not-be-as-beneficial-as-we-have-been-taught
#6
Jack C He, Brenda M Zosa, David Schechtman, Brian Brajcich, Jonathan C Savakus, Amanda L Wojahn, Derek Z Wang, Jeffrey A Claridge
BACKGROUND: Currently, various methods of skin closures are used in contaminated and dirty abdominal wounds without solid, evidence-based guidance. This study investigates whether closure methods affect surgical site infection (SSI) and other incisional complications. We hypothesize that open management of the skin would have the lowest complications, including SSI. PATIENTS AND METHODS: Patients age ≥18 who underwent trauma laparotomy (TL) or damage control laparotomy (DCL) from 2008-2013 and had class III/IV wounds were included...
March 23, 2017: Surgical Infections
https://www.readbyqxmd.com/read/28331060/proximal-tubule-glutamine-synthetase-expression-is-necessary-for-the-normal-response-to-dietary-protein-restriction
#7
Hyun-Wook Lee, Gunars Osis, Mary E Handlogten, Jill W Verlander, I David Weiner
Dietary protein restriction has multiple benefits in kidney disease. Because protein intake is a major determinant of endogenous acid production, it is important that net acid excretion change in parallel during changes in dietary protein intake. Dietary protein restriction decreases endogenous acid production and ¬decreases urinary ammonia excretion, a major component of net acid excretion. Glutamine synthetase (GS) catalyzes the reaction of NH4+ and glutamate, which regenerates the essential amino acid glutamine and decreases net ammonia generation...
March 22, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28330983/gamma-delta-t-cells-mediate-angiotensin-ii-induced-hypertension-and-vascular-injury
#8
Antoine Caillon, Muhammad Oneeb Rehman Mian, Julio C Fraulob-Aquino, Ku-Geng Huo, Tlili Barhoumi, Sofiane Ouerd, Peter R Sinnaeve, Pierre Paradis, Ernesto L Schiffrin
Background -Innate antigen-presenting cells and adaptive immune T cells have been implicated in the development of hypertension. However, the T-lymphocyte subsets involved in the pathophysiology of hypertension remain unclear. A small subset of "innate-like" T cells expressing the γδ T cell receptor (TCR) rather than the αβ TCR could play a role in the initiation of the immune response in hypertension. We aimed to determine whether angiotensin (Ang) II caused kinetic changes in γδ T cells, whether deficiency in γδ T cells blunted Ang II-induced hypertension, vascular injury and T-cell activation, and whether γδ T cells are associated with human hypertension...
March 22, 2017: Circulation
https://www.readbyqxmd.com/read/28330873/amp-activated-protein-kinase-%C3%AE-1-promotes-atherogenesis-by-increasing-monocyte-to-macrophage-differentiation
#9
Miao Zhang, Huaiping Zhu, Ye Ding, Zhaoyu Liu, Zhejun Cai, Ming-Hui Zou
Monocyte-to-macrophage differentiation, which can be initiated by physiological or atherogenic factors, is a pivotal process in atherogenesis, a disorder in which monocytes adhere to endothelial cells and subsequently migrate into the sub-endothelial spaces, where they differentiate into macrophages and macrophage-derived foam cells and cause atherosclerotic lesions. However, the monocyte-differentiation signaling pathways that are activated by atherogenic factors are poorly defined. Here we report that the AMP- activated protein kinase (AMPK) α1 in monocytes promotes atherosclerosis by increasing monocyte differentiation and survival...
March 22, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28329210/right-atrium-positioning-for-exposure-of-right-pulmonary-veins-during-off-pump-atrial-fibrillation-ablation
#10
Grzegorz Suwalski, Robert Emery, Jakub Mróz, Kamil Kaczejko, Leszek Gryszko, Andrzej Cwetsch, Andrzej Skrobowski
OBJECTIVES: Concomitant surgical ablation of atrial fibrillation (AF) is recommended for patients undergoing off-pump coronary revascularization in the presence of this arrhythmia. Achievement of optimal visualization of pulmonary veins while maintaining stable haemodynamic conditions is crucial for proper completion of the ablation procedure. This study evaluates the safety and feasibility of right atrial positioning using a suction-based cardiac positioner as opposed to compressive manoeuvres for exposure during off-pump surgical ablation for AF...
March 3, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28328730/partial-occlusion-conversion-from-thoracotomy-undelayed-but-shorter-occlusion-resuscitative-endovascular-balloon-occlusion-of-the-aorta-strategy-in-japan
#11
Yosuke Matsumura, Junichi Matsumoto, Hiroshi Kondo, Koji Idoguchi, Tomohiro Funabiki
INTRODUCTION: Resuscitative endovascular balloon occlusion of the aorta (REBOA) is a viable alternative to resuscitative thoracotomy (RT) in refractory hemorrhagic patients. We evaluated REBOA strategies using Japanese multi-institutional data. PATIENTS AND METHODS: The DIRECT-IABO investigators registered trauma patients requiring REBOA from 18 hospitals. Patients' characteristics, outcomes, and time in initial treatment were collected and analyzed. RESULTS: From August 2011 to December 2015, 106 trauma patients were analyzed...
March 21, 2017: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/28328712/resistance-training-induced-elevations-in-muscular-strength-in-trained-men-are-maintained-after-2-weeks-of-detraining-and-not-differentially-affected-by-whey-protein-supplementation
#12
Paul S Hwang, Thomas L Andre, Sarah K McKinley-Barnard, Flor E Morales Marroquín, Joshua J Gann, Joon J Song, Darryn S Willoughby
Hwang, PS, Andre, TL, McKinley-Barnard, SK, Morales Marroquín, FE, Gann, JJ, Song, JJ, and Willoughby, DS. Resistance training-induced elevations in muscular strength in trained men are maintained after 2 weeks of detraining and not differentially affected by whey protein supplementation. J Strength Cond Res 31(4): 869-881, 2017-Resistance training (RT) with nutritional strategies incorporating whey protein intake postexercise can stimulate muscle protein synthesis and elicit hypertrophy. The early phases of training-induced anabolic responses can be attenuated with longer-term training...
April 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28328676/correlation-between-factor-f-xia-fixa-and-tissue-factor-and-trauma-severity
#13
Shannon M Prior, Mitchell J Cohen, Amanda S Conroy, Mary F Nelson, Lucy Z Kornblith, Benjamin M Howard, Saulius Butenas
BACKGROUND: It has been observed that trauma patients often display elevated procoagulant activity that could be caused, in part, by tissue factor (TF). We previously observed that trauma patients with thermal, blunt and penetrating injuries have active FIXa and FXIa in their plasma. In the current study we evaluated the effect of injury severity, with or without accompanying shock, on the frequency and concentration of TF, FIXa and FXIa in plasma from trauma patients. METHODS: Eighty trauma patients were enrolled and divided equally into 4 groups based on their injury severity score (ISS) and base deficit (BD):Group 1: Non-severe injury, no shockGroup 2: Non-severe injury, with shockGroup 3: Severe injury, no shockGroup 4: Severe injury, with shockBlood was collected at a 0 time-point (first blood draw upon arrival at hospital) and citrate plasma was prepared, frozen and stored at -80C...
March 21, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28327152/trim8-restores-p53-tumour-suppressor-function-by-blunting-n-myc-activity-in-chemo-resistant-tumours
#14
Francesca Mastropasqua, Flaviana Marzano, Alessio Valletti, Italia Aiello, Giuseppe Di Tullio, Annalisa Morgano, Sabino Liuni, Elena Ranieri, Luisa Guerrini, Giuseppe Gasparre, Elisabetta Sbisà, Graziano Pesole, Antonio Moschetta, Mariano Francesco Caratozzolo, Apollonia Tullo
BACKGROUND: TRIM8 plays a key role in controlling the p53 molecular switch that sustains the transcriptional activation of cell cycle arrest genes and response to chemotherapeutic drugs. The mechanisms that regulate TRIM8, especially in cancers like clear cell Renal Cell Carcinoma (ccRCC) and colorectal cancer (CRC) where it is low expressed, are still unknown. However, recent studies suggest the potential involvement of some microRNAs belonging to miR-17-92 and its paralogous clusters, which could include TRIM8 in a more complex pathway...
March 21, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28326453/violent-trauma-recidivism-does-all-violence-escalate
#15
R M Nygaard, A P Marek, S R Daly, J M Van Camp
PURPOSE: Rates of trauma patients presenting with history of prior trauma range from 25 to 44%. Outcomes involving recidivists in the setting of intentional trauma, especially penetrating trauma, are conflicting. We hypothesized that if violence does escalate with successive incidence, then injuries due to successive violence should escalate or become increasingly severe with successive admissions. METHODS: The trauma registry from an urban level I adult and pediatric trauma center was queried for injuries due to blunt assault, stabbing, and firearm injury...
March 22, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28324701/stress-reactivity-and-its-effects-on-subsequent-food-intake-in-depressed-and-healthy-women-with-and-without-adverse-childhood-experiences
#16
Katja Wingenfeld, Linn K Kuehl, Anita Boeker, Katharina Schultebraucks, Kristin Ritter, Julian Hellmann-Regen, Christian Otte, Carsten Spitzer
BACKGROUND: Adverse childhood experiences (ACE) increase the risk to develop major depressive disorder (MDD) and obesity or metabolic syndrome in adulthood. In addition, ACE may be associated with an exaggerated endocrine response to stress, which, in turn, may lead to enhanced food intake resulting in obesity and metabolic problems. METHODS: We systematically examined the stress response and consecutive food intake in 32 women with MDD and ACE as determined by a clinical interview (Early Trauma Inventory), 52 women with MDD without ACE, 22 women with ACE but no current or lifetime MDD and 37 healthy women without either MDD or ACE...
March 12, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28324053/hepatic-insulin-resistance-and-altered-gluconeogenic-pathway-in-premature-baboons
#17
Lisa McGill-Vargas, Amalia Gastaldelli, Hanyu Liang, Diana Anzueto Guerra, Teresa Johnson-Pais, Steven Seidner, Donald McCurnin, Giovanna Muscogiuri, Ralph DeFronzo, Nicolas Musi, Cynthia Blanco
Premature infants have altered glucose regulation early in life and increased risk for diabetes in adulthood. Although prematurity leads to an increased risk of diabetes and metabolic syndrome in adult life, the role of hepatic glucose regulation and adaptation to an early extra-uterine environment in preterm infants remain unknown. The purpose of this study was to investigate developmental differences in glucose metabolism, hepatic protein content and gene expression of key insulin signaling/gluconeogenic molecules...
January 17, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323938/loss-of-action-via-neurotensin-leptin-receptor-neurons-disrupts-leptin-and-ghrelin-mediated-control-of-energy-balance
#18
Juliette A Brown, Raluca Bugescu, Thomas Mayer, Adriana Gata-Garcia, Gizem Kurt, Hillary L Woodworth, Gina M Leinninger
The hormones ghrelin and leptin act via the lateral hypothalamic area (LHA) to modify energy balance but the underlying neural mechanisms remain unclear. We investigated how leptin and ghrelin engage LHA neurons to modify energy balance behaviors and whether there is any cross-talk between leptin and ghrelin-responsive circuits. We demonstrate that ghrelin activates LHA neurons expressing Hypocretin/Orexin (OX) to increase food intake. Leptin mediates anorectic actions via separate neurons expressing the long form of the leptin receptor (LepRb), many of which co-express the neuropeptide neurotensin (Nts); we refer to these as NtsLepRb neurons...
March 10, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323920/perinatal-exposure-to-low-dose-bisphenol-a-bpa-disrupts-the-structural-and-functional-development-of-the-hypothalamic-feeding-circuitry
#19
Harry MacKay, Zachary R Patterson, Alfonso Abizaid
Bisphenol-A (BPA) is a component of polycarbonate and other plastics to which humans are regularly exposed at low levels. BPA is characterized as an endocrine disruptor due to observations of its estrogenic activity in various experimental models. We have previously shown evidence of disrupted hypothalamic feeding circuitry and leptin sensitivity in adult BPA-exposed animals subject to a high-fat diet, but because these animals were already exhibiting a diet-induced obese phenotype, we could not rule out the possibility that these observations were simply consequences of the obesity, not a pre-existing phenotype produced by BPA exposure...
February 7, 2017: Endocrinology
https://www.readbyqxmd.com/read/28321652/role-of-plasminogen-activator-inhibitor-1-in-glucocorticoid-induced-muscle-change-in-mice
#20
Yukinori Tamura, Naoyuki Kawao, Takeshi Shimoide, Kiyotaka Okada, Osamu Matsuo, Hiroshi Kaji
We recently revealed that plasminogen activator inhibitor-1 (PAI-1), a serine protease inhibitor, is involved in diabetes, osteoporosis and muscle wasting induced by glucocorticoid (GC) treatment in mice. In the present study, we investigated the detailed mechanisms by which GC induces muscle wasting through PAI-1 in vivo and in vitro. PAI-1 deficiency suppressed the mRNA levels of atrogin1 and muscle RING-Finger Protein 1 (MuRF1), ubiquitin ligases leading to muscle degradation, elevated by GC treatment in the gastrocnemius muscle of mice...
March 20, 2017: Journal of Bone and Mineral Metabolism
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