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https://www.readbyqxmd.com/read/28514734/inflammatory-microrna-194-and-515-attenuate-the-biosynthesis-of-chondroitin-sulfate-during-human-intervertebral-disc-degeneration
#1
Bo Hu, Chen Xu, Ye Tian, Changgui Shi, Ying Zhang, Lianfu Deng, Hongyu Zhou, Peng Cao, Huajiang Chen, Wen Yuan
Intervertebral disc degeneration (IDD) is characterized by dehydration and loss of extracellular matrixes in the nucleus pulposus region. Chondroitin sulfate has been found to be the water-binding molecule that played a key role in IDD. Although investigators have reported that inflammatory cytokines are involved in the reduction of chondroitin sulfate in IDD, but the underlying mechanism is unrevealed. Since chondroitin sulfate synthesis is controlled by chondroitin sulfate glycosyltransferases CHSY-1/2/3 and CSGALNACT-1/2, their functional role and regulatory mechanism in IDD is not fully studied...
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28508338/fluid-balance-in-team-sport-athletes-and-the-effect-of-hypohydration-on-cognitive-technical-and-physical-performance
#2
REVIEW
Ryan P Nuccio, Kelly A Barnes, James M Carter, Lindsay B Baker
Sweat losses in team sports can be significant due to repeated bursts of high-intensity activity, as well as the large body size of athletes, equipment and uniform requirements, and environmental heat stress often present during training and competition. In this paper we aimed to: (1) describe sweat losses and fluid balance changes reported in team sport athletes, (2) review the literature assessing the impact of hypohydration on cognitive, technical, and physical performance in sports-specific studies, (3) briefly review the potential mechanisms by which hypohydration may impact team sport performance, and (4) discuss considerations for future directions...
May 15, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28507694/a-convergent-synthesis-of-1-3-4-oxadiazoles-from-acyl-hydrazides-under-semiaqueous-conditions
#3
Kazuyuki Tokumaru, Jeffrey N Johnston
The 1,3,4-oxadiazole is an aromatic heterocycle valued for its low-lipophilicity in drug development. Substituents at the 2- and/or 5-positions can modulate the heterocycle's electronic and hydrogen bond-accepting capability, while exploiting its use as a carbonyl bioisostere. A new approach to 1,3,4-oxadiazoles is described wherein α-bromo nitroalkanes are coupled to acyl hydrazides to deliver the 2,5-disubstituted oxadiazole directly, avoiding a 1,2-diacyl hydrazide intermediate. Access to new building blocks of oxadiazole-substituted secondary amines is improved by leveraging chiral α-bromo nitroalkane or amino acid hydrazide substrates...
April 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28497085/evaluation-of-water-and-electrolytes-disorders-in-severe-acute-diarrhea-patients-treated-by-who-protocol-in-eight-large-hospitals-in-tehran-a-nephrology-viewpoint
#4
Alireza Soleimani, Fatemeh Foroozanfard, Mohammad Reza Tamadon
Introduction: The most common cause of death from diarrhea is the shock caused by dehydration, electrolytes and acid-base disorders. Objectives: The aim of this study was to evaluate water and electrolytes disorders in diarrhea patients after treating severe acute diarrhea. Patients and Methods: In this study we used a historical cohort and studied patients who were hospitalized due to acute diarrhea and were similarly treated for dehydration and water and electrolyte disorders as recommended by the World Health Organization (WHO) guideline...
2017: Journal of Renal Injury Prevention
https://www.readbyqxmd.com/read/28491432/renal-transitional-cell-carcinoma-with-bilateral-ocular-metastasis-in-a-cat
#5
Irit Grader, Teresa L Southard, Marjorie H Neaderland
Case summary A 4-year-old, spayed female, domestic shorthair cat was presented for evaluation due to a 4 day history of inappetence and lethargy. Physical examination revealed mild dehydration and blindness of the left eye. Abnormal imaging findings included a well-margined soft tissue mass with irregular central cavity located in the dorsal aspect of the caudal lung lobe. Cytological examination of the mass revealed chronic inflammation with hemorrhage. Tests for parasitic and fungal diseases were negative...
July 2016: JFMS Open Rep
https://www.readbyqxmd.com/read/28448131/silk-resin-with-hydrated-dual-chemical-physical-cross-links-achieves-high-strength-and-toughness
#6
Keiji Numata, Nao Ifuku, Hiroyasu Masunaga, Takaaki Hikima, Takamasa Sakai
Native silk fibers are known to demonstrate excellent mechanical properties such as high strength and ductility. However, regenerated silk material has not yet been used as a tough structural material in our everyday life. To recreate the mechanical properties with regenerated silk material, the network structure and hydration state of silk materials are studied and optimized in this study. This is the first to demonstrate the effect of chemical and physical cross-links in hydrated and dehydrated silk materials, namely, silk hydrogels and resins...
May 10, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28446931/evaluation-of-the-results-of-treatment-of-morbid-obesity-by-the-endoscopic-intragastric-balloon-implantation-method
#7
Wojciech Żurawiński, Dariusz Sokołowski, Karolina Krupa-Kotara, Elżbieta Czech, Krystyn Sosada
INTRODUCTION: Overweight and obesity are ranked in the fifth place among the risk factors responsible for the greatest number of deaths in the world. AIM: To assess the effects of treatment of patients with morbid obesity using endoscopic intragastric balloon (IGB) implantation. MATERIAL AND METHODS: Two hundred and seventy-two patients with obesity were treated using endoscopic intragastric balloon implantation. Upon analysis of the inclusion and exclusion criteria, the study covered a group of 63 patients with morbid obesity...
2017: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
https://www.readbyqxmd.com/read/28416428/-nasogastric-rehydration-for-treating-children-with-gastroenteritis
#8
B Rébeillé-Borgella, C Barbier, R Moussaoui, A Faisant, A-P Michard-Lenoir, A Rubio
INTRODUCTION: When oral rehydration is not feasible, enteral rehydration via the nasogastric route has been the ESPGHAN recommended method of rehydration since 2008, rather than intravenous rehydration (IVR), for children with acute gastroenteritis. However, these recommendations are rarely followed in France. Since 2011, in case of failure of oral rehydration, enteral rehydration has been used as a first-line therapy in the Children's Emergency Department at the Grenoble-Alpes University Hospital...
April 14, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28414586/development-and-validation-of-monoclonal-antibody-based-antigen-capture-elisa-for-detection-of-group-a-porcine-rotavirus
#9
Atta Muhammad Memon, Anjuman Ara Bhuyan, Fangzhou Chen, Xiaozhen Guo, Harish Menghwar, Yinxing Zhu, Xugang Ku, Shuhua Chen, Zhonghua Li, Qigai He
Porcine rotavirus-A (PoRVA) is one of the common causes of mild to severe dehydrating diarrhea, leading to losses in weaning and postweaning piglets. A rapid, highly specific, and sensitive antigen-capture enzyme-linked immunosorbent assay (AC-ELISA) was developed for detection of PoRVA, by using VP6 (a highly conserved and antigenic protein of group-A rotavirus)-directed rabbit polyclonal antibodies (capture antibody) and murine monoclonal antibodies (detector antibody). The detection limit of AC-ELISA was found to be equal to that of conventional reverse transcription-polymerase chain reaction (RT-PCR; about 10(2...
May 2017: Viral Immunology
https://www.readbyqxmd.com/read/28409830/magnesium-for-treating-sickle-cell-disease
#10
REVIEW
Nan Nitra Than, Htoo Htoo Kyaw Soe, Senthil K Palaniappan, Adinegara Bl Abas, Lucia De Franceschi
BACKGROUND: Sickle cell disease is an autosomal recessive inherited haemoglobinopathy which causes painful vaso-occlusive crises due to sickle red blood cell dehydration. Vaso-occlusive crises are common painful events responsible for a variety of clinical complications; overall mortality is increased and life expectancy decreased compared to the general population. Experimental studies suggest that intravenous magnesium has proven to be well-tolerated in individuals hospitalised for the immediate relief of acute (sudden onset) painful crisis and has the potential to decrease the length of hospital stay...
April 14, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28402635/hydrogenation-and-hydrosilylation-of-nitrous-oxide-homogeneously-catalyzed-by-a-metal-complex
#11
Rong Zeng, Moran Feller, Yehoshoa Ben-David, David Milstein
Due to its significant contribution to stratospheric ozone depletion and its potent greenhouse effect, nitrous oxide has stimulated much research interest regarding its reactivity modes and its transformations, which can lead to its abatement. We report the homogeneously catalyzed reaction of nitrous oxide (N2O) with H2. The reaction is catalyzed by a PNP pincer ruthenium complex, generating efficiently only dinitrogen and water, under mild conditions, thus providing a green, mild methodology for removal of nitrous oxide...
April 26, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28393756/norovirus-epidemiology-in-south-african-children-5-years-hospitalised-for-diarrhoeal-illness-between-2009-and-2013
#12
N A Page, M J Groome, S Nadan, R Netshikweta, K H Keddy, B Poonsamy, J Moyes, S Walaza, K Kahn, S A Madhi, M B Taylor, J Mans, C Cohen
Public health interest in norovirus (NoV) has increased in recent years following improved diagnostics, global burden estimates and the development of NoV vaccine candidates. This study aimed to describe the detection rate, clinical characteristics and environmental features associated with NoV detection in hospitalized children <5 years with diarrhoea in South Africa (SA). Between 2009 and 2013, prospective diarrhoeal surveillance was conducted at four sites in SA. Stool specimens were collected and screened for NoVs and other enteric pathogens using molecular and serological assays...
April 10, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28375546/catalytic-cracking-of-lactide-and-poly-lactic-acid-to-acrylic-acid-at-low-temperatures
#13
Frédéric G Terrade, Jan van Krieken, Bastiaan J V Verkuijl, Elisabeth Bouwman
Despite being a simple dehydration reaction, the industrially relevant conversion of lactic acid to acrylic acid is particularly challenging. For the first time, the catalytic cracking of lactide and poly(lactic acid) to acrylic acid under mild conditions is reported with up to 58 % yield. This transformation is catalyzed by strong acids in the presence of bromide or chloride salts and proceeds through simple SN 2 and elimination reactions.
April 4, 2017: ChemSusChem
https://www.readbyqxmd.com/read/28363627/evaluation-of-a-nurse-initiated-acute-gastroenteritis-pathway-in-the-pediatric-emergency-department
#14
Rebecca A Carson, Shawna S Mudd, P Jamil Madati
Acute gastroenteritis (AGE) is a common illness treated in the emergency department. Delays in initiating rehydration for children with mild or moderate dehydration from AGE can lead to prolonged ED visits and increased resource utilization that do not provide prognostic value or support family-centered care. The purpose of this quality improvement project was to promote early oral rehydration therapy (ORT) for persons with AGE in an attempt to reduce unnecessary resource utilization and length of stay (LOS)...
March 28, 2017: Journal of Emergency Nursing: JEN: Official Publication of the Emergency Department Nurses Association
https://www.readbyqxmd.com/read/28304249/diagnosis-and-management-of-polycythemia-vera-in-a-ferret-mustela-putorius-furo
#15
Kim Le, Hugues Beaufrère, Laura L Bassel, Sarah Wills, Delphine Laniesse, Shauna L Blois, Dale A Smith
A 5-y-old female ferret (Mustela putorius furo) was evaluated for diarrhea, anorexia, and lethargy for 1 wk. Only mild dehydration was detected on physical examination. CBC analysis revealed marked erythrocytosis with an unremarkable plasma biochemistry panel; follow-up CBC analyses revealed a consistent primary erythrocytosis. Whole-body radiographs and abdominal ultrasonography were unremarkable except for a small nephrolith in the right kidney and a small cyst in the left kidney. The plasma erythropoietin level was 17...
December 1, 2016: Comparative Medicine
https://www.readbyqxmd.com/read/28284375/toward-a-comprehensive-hypothesis-of-chronic-interstitial-nephritis-in-agricultural-communities
#16
REVIEW
Carlos Manuel Orantes-Navarro, Raúl Herrera-Valdés, Miguel Almaguer-López, Laura López-Marín, Xavier Fernando Vela-Parada, Marcelo Hernandez-Cuchillas, Lilly M Barba
Over the past 20 years, there has been an increase in chronic interstitial nephritis in agricultural communities (CINAC) not associated with traditional risk factors. This disease has become an important public health problem and is observed in several countries in Central America and Asia. CINAC predominantly affects young male farmers between the third and fifth decades of life with women, children, and adolescents less often affected. Clinically, CINAC behaves like a chronic tubulointerstitial nephropathy but with systemic manifestations not attributable to kidney disease...
March 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/28280109/exercise-induced-dehydration-alters-pulmonary-function-but-does-not-modify-airway-responsiveness-to-dry-air-in-athletes-with-mild-asthma
#17
Andrew J Simpson, Lee M Romer, Pascale Kippelen
BACKGROUND: Local airway water loss is the main physiological trigger for exercise-induced bronchoconstriction (EIB). AIM: To investigate the effects of whole-body water loss on airway responsiveness and pulmonary function in athletes with mild asthma and/or EIB. METHODS: Ten recreational athletes with a doctor diagnosis of mild asthma and/or EIB completed a randomized, cross-over study. Pulmonary function tests (spirometry, whole-body plethysmography and diffusing capacity for carbon monoxide [DLCO]) were conducted before and after three conditions: i) 2 h exercise in the heat with no fluid intake (dehydration); ii) 2 h exercise with ad libitum fluid intake (control); and iii) time-matched rest period (rest)...
March 9, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28277412/the-use-of-a-triage-based-protocol-for-oral-rehydration-in-a-pediatric-emergency-department
#18
Marissa A Hendrickson, Jennifer Zaremba, Andrew R Wey, Philippe R Gaillard, Anupam B Kharbanda
BACKGROUND: Guidelines recommend oral rehydration therapy (ORT) and avoidance of laboratory tests and intravenous fluids for mild to moderate dehydration in children with gastroenteritis; oral ondansetron has been shown to be an effective adjunct. OBJECTIVES: The aim of this study was to determine if a triage-based, nurse-initiated protocol for early provision of ondansetron and ORT could safely improve the care of pediatric emergency department (ED) patients with symptoms of gastroenteritis...
March 9, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28262021/synthesis-of-the-%C3%AE-secretase-modulator-mk-8428
#19
Steven P Miller, William J Morris, Robert K Orr, Jeffrey Eckert, Jay Milan, Mathew Maust, Cameron Cowden, Jian Cui
The synthesis of the γ-secretase modulator MK-8428 (1) is described. The synthesis is highlighted by an enzyme-catalyzed reaction to access 3,4,5-trifluoro-(S)-phenylglycine, a 1-pot activation/displacement/deprotection sequence to introduce the aminooxy functionality and a dehydrative intramolecular cyclization under mild conditions to form the oxadiazine heterocycle of 1. In situ reaction monitoring was employed to understand the deleterious role of water during the formation of a methanesulfonate ester in the 1-pot activation/displacement/deprotection sequence...
March 6, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28257013/the-ambient-hydration-of-the-aluminophosphate-jdf-2-to-alpo-53-a-insights-from-nmr-crystallography
#20
Daniel M Dawson, Richard I Walton, Stephen Wimperis, Sharon E Ashbrook
The aluminophosphate (AlPO) JDF-2 is prepared hydrothermally with methylammonium hydroxide (MAH(+)·HO(-), MAH(+) = CH3NH3(+)), giving rise to a microporous AEN-type framework with occluded MAH(+) cations and extra-framework (Al-bound) HO(-) anions. Despite the presence of these species within its pores, JDF-2 can hydrate upon exposure to atmospheric moisture to give AlPO-53(A), an isostructural material whose crystal structure contains one molecule of H2O per formula unit. This hydration can be reversed by mild heating (such as the frictional heating from magic angle spinning)...
March 1, 2017: Acta Crystallographica. Section C, Structural Chemistry
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