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https://www.readbyqxmd.com/read/29352772/neurotransmitters-and-receptors-changes-in-medial-nucleus-of-the-trapezoid-body-mntb-of-early-developmental-rats-with-single-side-deafness
#1
Jinsheng Dai, Jinfeng Liu, Mo Zhou, Wenjiao Wang, Zhi-Qing David Xu, Ningyu Wang
BACKGROUND Congenital single-side deafness (SSD) affects sound localization even after cochlear implantation (CI) in some conditions. The medial nucleus of the trapezoid body (MNTB) plays an important role in binaural benefit and sound localization, but little is known about intrinsic molecular changes in MNTB with SSD. We aimed to observe changes in MNTB in early-developmental SSD rats, including the key neurotransmitters (GABA, Gly, Glu) and major receptors (GABAa-R/GABAb-R for GABA, Gly-R for Gly, and AMPA/NMDA for Glu)...
January 20, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29352728/differential-proteomic-analysis-of-synovial-fluid-from-hip-arthroplasty-patients-with-a-pseudotumor-vs-periprosthetic-osteolysis
#2
Isabelle Catelas, Eric A Lehoux, Zhibin Ning, Daniel Figeys, Stephen J Baskey, Paul E Beaulé
Adverse tissue reactions to metal implants, including pseudotumors, can compromise implant functionality and survivorship. The identification of specific proteins in the synovial fluid (SF) of hip arthroplasty patients with a pseudotumor may lead to a better understanding of the underlying pathomechanisms. The objective of the present study was to compare the protein content of SF from patients with a short-term metal-on-metal hip implant associated with a pseudotumor and patients with a long-term metal-on-polyethylene hip implant associated with periprosthetic osteolysis...
January 20, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29352717/should-we-use-cell-of-origin-and-dual-protein-expression-in-treating-dlbcl
#3
REVIEW
Peter A Riedell, Sonali M Smith
Treatment outcomes in diffuse large B-cell lymphoma (DLBCL) following standard R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone) therapy is highly variable and dependent on a number of clinical, biologic, and genetic features. The identification of molecular heterogeneity via gene expression profiling dichotomizes patients based on the cell of origin (COO) model into germinal center B-cell-like (GCB) and activated B-cell-like (ABC) subsets, with ABC-DLBCL having a worse outcome...
December 24, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/29352707/prenatal-exposure-to-lead-in-france-cord-blood-levels-and-associated-factors-results-from-the-perinatal-component-of-the-french-longitudinal-study-since-childhood-elfe
#4
Abdessattar Saoudi, Clémentine Dereumeaux, Sarah Goria, Bénédicte Berat, Serge Brunel, Marie Pecheux, Perrine de Crouy-Chanel, Abdelkrim Zeghnoun, Loïc Rambaud, Vérène Wagner, Alain le Tertre, Clémence Fillol, Stéphanie Vandentorren, Laurence Guldner
BACKGROUND: As a result of the ban on lead in gasoline on 2nd January 2000, the French population's exposure to lead has decreased in recent years. However, because of the acknowledged harmful cognitive effects of lead even at low levels, lead exposure remains a major public health issue. In France, few biomonitoring data are available for exposure to lead in pregnant women and newborn. The purpose of the perinatal component of the French human biomonitoring (HBM) program was to describe levels of various biomarkers of exposure to several environmental pollutants, including lead, among mother-baby pairs...
January 11, 2018: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29352675/impact-of-intestinal-mannitol-on-hyperammonemia-oxidative-stress-and-severity-of-hepatic-encephalopathy-in-the-ed
#5
Daniel H Montes-Cortés, José L Novelo-Del Valle, Ivonne M Olivares-Corichi, José V Rosas-Barrientos, Luis J Jara, María Pilar Cruz-Domínguez
Hyperammonemia results from hepatic inability to remove nitrogenous products generated by protein metabolism of intestinal microbiota, which leads to hepatic encephalopathy (HE) in chronic liver disease (CLD). In ammonium neurotoxicity, oxidative stress (OxS) plays a pathogenic role. Our objective was to evaluate if intestinal mannitol is as effective and safe as conventional treatment for diminishing hyperammonemia, OxS, and HE in patients with CLD. MATERIAL AND METHODS: We included 30 patients with HE classified by "Haven Criteria for Hepatic Encephalopathy"...
January 10, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29352645/diversity-oriented-synthesis-of-chromene-xanthene-hybrids-as-anti-breast-cancer-agents
#6
M Srinivas Lavanya Kumar, Jyotsana Singh, Sudipta Kumar Manna, Saroj Maji, Rituraj Konwar, Gautam Panda
A diverse library of chromene-xanthene hybrids were synthesized through intramolecular Friedel-Crafts reaction of the arenoxy carbinols. Examples include first incorporation of amino acid tyrosine into xanthene skeletons with polar functionalities. A careful structural evaluation revealed that tyrosine crafted chromene-xanthene hybrids exhibited good activities against breast cancer cell lines MCF-7, MDA-MB-231. The lead compound 16 displays significant cell cycle arrest at G1 phase and induces apoptosis in MDA-MB-231 cells...
January 6, 2018: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29352633/current-concerns-and-perspectives-on-zika-virus-co-infection-with-arboviruses-and-hiv
#7
REVIEW
Hussin A Rothan, Mehdi R M Bidokhti, Siddappa N Byrareddy
Dissemination of vector-borne viruses, such as Zika virus (ZIKV), in tropical and sub-tropical regions has a complicated impact on the immunopathogenesis of other endemic viruses such as dengue virus (DENV), chikungunya virus (CHIKV) and human immunodeficiency virus (HIV). The consequences of the possible co-infections with these viruses have specifically shown significant impact on the treatment and vaccination strategies. ZIKV is a mosquito-borne flavivirus from African and Asian lineages that causes neurological complications in infected humans...
January 16, 2018: Journal of Autoimmunity
https://www.readbyqxmd.com/read/29352631/we-could-learn-much-more-from-1918-pandemic-the-mis-fortune-of-research-relying-on-original-death-certificates
#8
Wladimir J Alonso, Francielle C Nascimento, Gerardo Chowell, Cynthia Schuck-Paim
PURPOSE: The analysis of historical death certificates has enormous potential for understanding how the health of populations was shaped by diseases and epidemics and by the implementation of specific interventions. In Brazil, the systematic archiving of mortality records was initiated only in 1944-hence the analysis of death registers before this time requires searching for these documents in public archives, notaries, parishes, and especially ancient cemeteries, which are often the only remaining source of information about these deaths...
January 9, 2018: Annals of Epidemiology
https://www.readbyqxmd.com/read/29352613/mrna-translation-gone-awry-translation-fidelity-and-neurological-disease
#9
REVIEW
Mridu Kapur, Susan L Ackerman
Errors during mRNA translation can lead to a reduction in the levels of functional proteins and an increase in deleterious molecules. Advances in next-generation sequencing have led to the discovery of rare genetic disorders, many caused by mutations in genes encoding the mRNA translation machinery, as well as to a better understanding of translational dynamics through ribosome profiling. We discuss here multiple neurological disorders that are linked to errors in tRNA aminoacylation and ribosome decoding. We draw on studies from genetic models, including yeast and mice, to enhance our understanding of the translational defects observed in these diseases...
January 15, 2018: Trends in Genetics: TIG
https://www.readbyqxmd.com/read/29352601/regulating-needs-exploring-the-role-of-insulin-like-growth-factor-2-signalling-in-materno-fetal-resource-allocation
#10
Amanda Nancy Sferruzzi-Perri
During pregnancy, the fetus requires nutrients supplied by the mother to grow and develop. However, the mother also requires sufficient resources to support the pregnancy, as well as, to maintain her health. Failure to regulate resource allocation between the mother and fetus can lead to pregnancy complications with immediate and life-long consequences for maternal and offspring health. This review explores the role of insulin-like growth factor (IGF)-2 in regulating materno-fetal resource allocation, particularly via its regulation of placental development and function...
January 11, 2018: Placenta
https://www.readbyqxmd.com/read/29352600/placental-control-of-metabolic-adaptations-in-the-mother-for-an-optimal-pregnancy-outcome-what-goes-wrong-in-gestational-diabetes
#11
David J Hill
As pregnancy progresses the placental syncytiotrophoblast increasingly assumes control of maternal glucose homeostasis through the release and counter-balancing effects of placental lactogen (PL) and placental variant growth hormone (GH-V). While local actions of these hormones on placental growth and function are likely to exist, each also exerts indirect actions to ensure fetal nutritional availability through modulation of the maternal insulin/insulin-like growth factor axis. Peripheral insulin resistance results from the increasing levels of GH-V in the maternal circulation and is counter-balanced by an increase in insulin availability through an expansion of maternal pancreatic β-cell mass...
January 9, 2018: Placenta
https://www.readbyqxmd.com/read/29352580/individual-student-characteristics-and-attainment-in-pre-registration-physiotherapy-a-retrospective-multi-site-cohort-study
#12
Meriel Norris, John A Hammond, Annabel Williams, Robert Grant, Sandra Naylor, Catherine Rozario
INTRODUCTION: Worldwide there is a desire to diversify the physiotherapy workforce. However, limited research indicates that some student characteristics linked to under-representation in pre registration physiotherapy education have lower attainment and greater attrition. This study explored the relationship between individual characteristics and success of students in pre registration physiotherapy education within South East England. DESIGN: A retrospective multi site cohort study including pre registration physiotherapy programmes in the South East of England...
October 31, 2017: Physiotherapy
https://www.readbyqxmd.com/read/29352567/asymptomatic-ascending-aorta-aneurysm-with-severe-aortic-regurgitation-caused-by-multiple-intimal-medial-tears-unassociated-with-aortic-dissection
#13
Carlos E Velasco, Helen Hashemi, Christina P Roullard, Juan Machannaford, William C Roberts
A 62-year-old man was found to have an asymptomatic ascending aortic aneurysm (6.6 cm) associated with severe aortic regurgitation. Operative resection of the wall of the aneurysm disclosed its cause to be multiple healed intimal-medial tears without dissection involving a previously normal aorta. The concept of an intimal-medial tear unassociated with aortic dissection is a poorly recognized entity and these tears appear to be asymptomatic and after the aortic tearing lead to aneurysmal formation.
December 12, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/29352519/nafamostat-mesilate-attenuates-inflammation-and-apoptosis-and-promotes-locomotor-recovery-after-spinal-cord-injury
#14
Hui-Quan Duan, Qiu-Li Wu, Xue Yao, Bao-You Fan, Hong-Yu Shi, Chen-Xi Zhao, Yan Zhang, Bo Li, Chao Sun, Xiao-Hong Kong, Xin-Fu Zhou, Shi-Qing Feng
AIM: Spinal cord injury (SCI) leads to severe neural damage for which there is currently no effective treatment. Exploration of the neuroprotective effect among clinically approved drugs will speed up clinical translation of SCI. Nafamostat mesilate (NM) as a synthetic serine protease inhibitor has been used clinically in pancreatitis treatments. However, its effectiveness in SCI is unknown. The aim of this study was to confirm the efficacy of NM in ameliorating SCI. METHODS: Intraperitoneal administration of NM was performed on a contusion SCI model in Wistar rat...
January 19, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29352497/redox-potential-an-intrinsic-parameter-of-the-rumen-environment
#15
REVIEW
Y Huang, J P Marden, C Julien, C Bayourthe
The ruminal ecosystem is a fermentative milieu which is interesting to discuss in terms of its redox status as a reflection of an intense bacterial activity. The objective of this systematic literature review is to quantitatively analyze data collected on redox potential (Eh) in the rumen and to explore relationship between ruminal Eh, nature of the diet fed to ruminants, and ruminal fermentation parameters. Data obtained from 15 studies comprising 24 different diets was used in the analysis. Studies included in the data file were selected based on the criteria of: (i) the nature of the reference electrode was specified, (ii) the ruminal Eh was recorded simultaneously to pH, (iii) animal body weight (BW) and dry matter intake (DMI) were reported and (iv) the composition of the diet was precisely described...
January 19, 2018: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/29352489/prospective-questionnaire-study-showed-that-higher-self-efficacy-predicted-longer-exclusive-breastfeeding-by-the-mothers-of-late-preterm-infants
#16
Emma Gerhardsson, Ingegerd Hildingsson, Elisabet Mattsson, Eva-Lotta Funkquist
AIM: An important variable that influences breastfeeding outcomes is how confident a woman feels about her ability to breastfeed successfully at an early stage. We investigated breastfeeding self-efficacy in the mothers of late preterm infants. METHODS: This was a prospective, comparative study that focused on mothers who had delivered babies at 34+0 to 36+6 weeks and were recruited in 2012-2015 from a neonatal intensive care unit and a postnatal ward at a Swedish university hospital...
January 20, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29352488/understanding-intratumor-heterogeneity-by-combining-genome-analysis-and-mathematical-modeling
#17
REVIEW
Atsushi Niida, Satoshi Nagayama, Satoru Miyano, Koshi Mimori
Cancer is composed of multiple cell populations with different genomes. Each of the populations is called a clone (or subclone) and this phenomenon is called intratumor heterogeneity (ITH). ITH is observed in various types of cancers and presumed to be a major cause leading to therapeutic resistance. If a tumor harbors a major clone sensitive to a specific anti-cancer treatment, the tumor shrinks within a given period after the treatment. However, in most cases, a minor clone resistant to the chemotherapy exists in the tumor and predominantly regrows in spite of the intensive therapy...
January 20, 2018: Cancer Science
https://www.readbyqxmd.com/read/29352467/systematic-misclassification-of-gestational-age-by-ultrasound-biometry-implications-for-clinical-practice-and-research-methodology-in-the-nordic-countries
#18
Alkistis Skalkidou, Merit Kullinger, Marios K Georgakis, Helle Kieler, Ulrik S Kesmodel
Historically, pregnancy dating has been based on self-reported information on first day of the last menstrual period. In the 1970s, ultrasound biometry was introduced as an alternative for pregnancy dating, and is now the leading method in Nordic countries. The use of ultrasound led to a reduction of postterm births and fewer inductions and is considered more precise than last menstrual period-based methods for pregnancy dating. Nevertheless, differences in early growth and specific situations, such as maternal obesity, can render its estimates less precise, leading to gestational age misclassification...
January 20, 2018: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29352448/mesenchymal-stem-cell-deformability-and-implications-for-microvascular-sequestration
#19
Herbert H Lipowsky, Daniel T Bowers, Britany L Banik, Justin L Brown
Mesenchymal stem cells (MSCs) have received considerable attention in regenerative medicine, particularly in light of prospects for targeted delivery by intra-arterial injection. However, little is known about the mechanics of MSC sequestration in the microvasculature and the yield pressure (PY), above which MSCs will pass through microvessels of a given diameter. The objectives of the current study were to delineate the dependency of PY on cell size and the heterogeneity of cell mechanical properties and diameters (DCELL) of cultured MSCs...
January 19, 2018: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29352423/understanding-and-addressing-hair-disorders-in-transgender-individuals
#20
REVIEW
Yi Gao, Toby Maurer, Paradi Mirmirani
In the United States, an increasing number of individuals are identifying as transgender. Males at birth who identify as females are called male-to-female (MTF) transgender individuals or trans women, and females at birth who identify as males are called female-to-male (FTM) transgender individuals or trans men. The transgender patient population possess unique health concerns disparate from those of the general populace. Exogenous hormone therapy for transgender patients leads to changes in the distribution and pattern of hair growth...
January 19, 2018: American Journal of Clinical Dermatology
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