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https://www.readbyqxmd.com/read/28345039/female-brain-size-affects-the-assessment-of-male-attractiveness-during-mate-choice
#1
Alberto Corral-López, Natasha I Bloch, Alexander Kotrschal, Wouter van der Bijl, Severine D Buechel, Judith E Mank, Niclas Kolm
Mate choice decisions are central in sexual selection theory aimed to understand how sexual traits evolve and their role in evolutionary diversification. We test the hypothesis that brain size and cognitive ability are important for accurate assessment of partner quality and that variation in brain size and cognitive ability underlies variation in mate choice. We compared sexual preference in guppy female lines selected for divergence in relative brain size, which we have previously shown to have substantial differences in cognitive ability...
March 2017: Science Advances
https://www.readbyqxmd.com/read/28344867/cd4-and-cd8-t-cells-are-both-needed-to-induce-paraneoplastic-neurological-disease-in-a-mouse-model
#2
Christina Gebauer, Béatrice Pignolet, Lidia Yshii, Emilie Mauré, Jan Bauer, Roland Liblau
Paraneoplastic neurological disorders (PNDs) are rare human autoimmune diseases that mostly affect the central nervous system (CNS). They are triggered by an efficient immune response against a neural self-antigen that is ectopically expressed in neoplastic tumors. Due to this shared antigenic expression, the immune system reacts not only to tumor cells but also to neural cells resulting in neurological damage. Growing data point to a major role of cell-mediated immunity in PNDs associated to autoantibodies against intracellular proteins...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28344863/tumor-infiltrating-lymphocytes-tils-from-patients-with-glioma
#3
Zhenjiang Liu, Qingda Meng, Jiri Bartek, Thomas Poiret, Oscar Persson, Lalit Rane, Elena Rangelova, Christopher Illies, Inti Harvey Peredo, Xiaohua Luo, Martin Vijayakumar Rao, Rebecca Axelsson Robertson, Ernest Dodoo, Markus Maeurer
Tumor-infiltrating lymphocytes (TILs) may represent a viable source of T cells for the biological treatment of patients with gliomas. Glioma tissue was obtained from 16 patients, tumor cell lines were established, and TILs were expanded in 16/16 cases using a combination of IL-2/IL-15/IL-21. Intracellular cytokine staining (ICS, IL-2, IL-17, TNFα and IFNγ production) as well as a cytotoxicity assay was used to detect TIL reactivity against autologous tumor cells or shared tumor-associated antigens (TAAs; i...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28343667/comparison-of-maxillary-anterior-tooth-width-and-facial-dimensions-of-3-ethnicities
#4
Ewa C Parciak, Ankur T Dahiya, Hamad S AlRumaih, Mathew T Kattadiyil, Nadim Z Baba, Charles J Goodacre
STATEMENT OF PROBLEM: As the cosmetic demands of patients increase, determining the appropriate dimensions of the maxillary anterior teeth has become increasingly relevant. The relationship between facial measurements and tooth size provide guidance for maxillary anterior tooth size selection. However, most publications on this topic have focused on the white population, and more data for tooth sizes and their proportions in other ethnicities are needed. PURPOSE: The purpose of this observational study was to investigate the relationship between the mesiodistal dimensions of the 6 maxillary anterior teeth and the bizygomatic width, interpupillary distance, intercanthal distance, interalar width, and intercommissural width of individuals of Asian, African-American, and white ethnicities...
March 23, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28342892/comparison-of-three-cell-based-drug-screening-platforms-for-hsv-1-infection
#5
Leonardo D'Aiuto, Kelly Williamson, Peter Dimitrion, James McNulty, Carla E Brown, Chanti Babu Dokuburra, Alexander J Nielsen, Wen Jing Lin, Paolo Piazza, Mark E Schurdak, Joel Wood, Robert H Yolken, Paul R Kinchington, David C Bloom, Vishwajit L Nimgaonkar
Acyclovir (ACV) and its derivatives have been highly effective for treating recurrent, lytic infections with Herpes Simplex Virus, type 1 (HSV-1), but searches for additional antiviral drugs are motivated by recent reports of resistance to ACV, particularly among immunocompromised patients. In addition, the relative neurotoxicity of ACV and its inability to prevent neurological sequelae among HSV-1 encephalitis survivors compel searches for new drugs to treat HSV-1 infections of the central nervous system (CNS)...
March 22, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28342637/first-line-rituximab-combined-with-short-term-prednisone-versus-prednisone-alone-for-the-treatment-of-pemphigus-ritux-3-a-prospective-multicentre-parallel-group-open-label-randomised-trial
#6
Pascal Joly, Maud Maho-Vaillant, Catherine Prost-Squarcioni, Vivien Hebert, Estelle Houivet, Sébastien Calbo, Frédérique Caillot, Marie Laure Golinski, Bruno Labeille, Catherine Picard-Dahan, Carle Paul, Marie-Aleth Richard, Jean David Bouaziz, Sophie Duvert-Lehembre, Philippe Bernard, Frederic Caux, Marina Alexandre, Saskia Ingen-Housz-Oro, Pierre Vabres, Emmanuel Delaporte, Gaelle Quereux, Alain Dupuy, Sebastien Debarbieux, Martine Avenel-Audran, Michel D'Incan, Christophe Bedane, Nathalie Bénéton, Denis Jullien, Nicolas Dupin, Laurent Misery, Laurent Machet, Marie Beylot-Barry, Olivier Dereure, Bruno Sassolas, Thomas Vermeulin, Jacques Benichou, Philippe Musette
BACKGROUND: High doses of corticosteroids are considered the standard treatment for pemphigus. Because long-term corticosteroid treatment can cause severe and even life-threatening side-effects in patients with this disease, we assessed whether first-line use of rituximab as adjuvant therapy could improve the proportion of patients achieving complete remission off-therapy, compared with corticosteroid treatment alone, while decreasing treatment side-effects of corticosteroids. METHODS: We did a prospective, multicentre, parallel-group, open-label, randomised trial in 25 dermatology hospital departments in France (Ritux 3)...
March 22, 2017: Lancet
https://www.readbyqxmd.com/read/28341283/are-antimicrobial-peripherally-inserted-central-catheters-associated-with-reduction-in-central-line-associated-bloodstream-infection-a-systematic-review-and-meta-analysis
#7
Rachel D Kramer, Mary A M Rogers, Marisa Conte, Jason Mann, Sanjay Saint, Vineet Chopra
BACKGROUND: Antimicrobial peripherally inserted central catheters (PICCs) may reduce the risk of central line-associated bloodstream infection (CLABSI). However, data regarding efficacy are limited. We aimed to evaluate whether antimicrobial PICCs are associated with CLABSI reduction. METHODS: MEDLINE, EMBASE, CINHAL, and Web of Science were searched from inception to July 2016; conference proceedings were searched to identify additional studies. Study selection and data extraction were performed independently by 2 authors...
February 1, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28341106/the-apple-trial-feasibility-and-activity-of-azd9291-osimertinib-treatment-on-positive-plasma-t790m-in-egfr-mutant-nsclc-patients-eortc-1613
#8
Jordi Remon, Jessica Menis, Baktiar Hasan, Aleksandra Peric, Eleonora De Maio, Silvia Novello, Martin Reck, Thierry Berghmans, Bartosz Wasag, Benjamin Besse, Rafal Dziadziuszko
The AZD9291 (Osimertinib) Treatment on Positive PLasma T790M in EGFR-mutant NSCLC Patients (APPLE) trial is a randomized, open-label, multicenter, 3-arm, phase II study in advanced, epidermal growth factor receptor (EGFR)-mutant and EGFR tyrosine kinase inhibitor (TKI)-naive non-small-cell lung cancer (NSCLC) patients, to evaluate the best strategy for sequencing gefitinib and osimertinib treatment. Advanced EGFR-mutant NSCLC patients, with World Health Organization performance status 0-2 who are EGFR TKI treatment-naive and eligible to receive first-line treatment with EGFR TKI will be randomized to: In all arms, a plasmatic ctDNA T790M test will be performed by a central laboratory at the Medical University of Gdansk (Poland) but will be applied as a predictive marker for making treatment decisions only in arm B...
March 1, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28339441/the-role-of-the-ligamentum-flavum-area-as-a-morphological-parameter-of-lumbar-central-spinal-stenosis
#9
Young Uk Kim, Jun Young Park, Doo Hwan Kim, Myung-Hwan Karm, Jae-Young Lee, Jee In Yoo, Sung Won Chon, Jeong Hun Suh
BACKGROUND: Hypertrophy of the ligamentum flavum (LF) has been considered as a major cause of lumbar central spinal stenosis (LCSS). Previous studies have found that ligamentum flavum thickness (LFT) is correlated with aging, disc degeneration, and lumbar spinal stenosis. However, hypertrophy is different from thickness. Thus, to evaluate hypertrophy of the whole LF, we devised a new morphological parameter, called the ligamentum flavum area (LFA). OBJECTIVES: We hypothesized that the LFA is a key morphologic parameter in the diagnosis of LCSS...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28338292/rational-drug-design-of-indazole-based-diarylurea-derivatives-as-anticancer-agents
#10
Yan-Yan Chu, He-Juan Cheng, Zhenhua Tian, Jian-Chun Zhao, Gang Li, Yang-Yang Chu, Chang-Jun Sun, Wen-Bao Li
A series of novel indazole-based diarylurea derivatives targeting c-kit were designed by structure-based drug design. The derivatives were prepared and their antiproliferative activities were evaluated against human colon cancer HCT-116 cell line and hepatocellular carcinoma PLC/PRF/5 cell line. The antiproliferative activities demonstrated that six out of nine compounds exhibited comparable activities with Sorafenib against HCT-116. The structure-activity relationship (SAR) analysis indicated that the indazole ring part tolerated different kinds of substituents, the N position of the central pyridine ring played key roles in antiproliferative activity...
March 24, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28338245/infective-capacity-of-cryptococcus-neoformans-and-cryptococcus-gattii-in-a-human-astrocytoma-cell-line
#11
M C Olave, J C Vargas-Zambrano, A M Celis, E Castañeda, J M González
Pathogenesis of cryptococcosis in the central nervous system (CNS) is a topic of ongoing research, including the mechanisms by which this fungus invades and infects the brain. Astrocytes, the most common CNS cells, play a fundamental role in the local immune response. Astrocytes might participate in cryptococcosis either as a host or by responding to fungal antigens. To determine the infectivity of Cryptococcus neoformans var. grubii and Cryptococcus gattii in a human astrocytoma cell line and the induction of major histocompatibility complex (MHC) molecules...
March 24, 2017: Mycoses
https://www.readbyqxmd.com/read/28338083/microvasculature-on-a-chip-study-of-the-endothelial-surface-layer-and-the-flow-structure-of-red-blood-cells
#12
Daria Tsvirkun, Alexei Grichine, Alain Duperray, Chaouqi Misbah, Lionel Bureau
Microvasculatures-on-a-chip, i.e. in vitro models that mimic important features of microvessel networks, have gained increasing interest in recent years. Such devices have allowed investigating pathophysiological situations involving abnormal biophysical interactions between blood cells and vessel walls. Still, a central question remains regarding the presence, in such biomimetic systems, of the endothelial glycocalyx. The latter is a glycosaminoglycans-rich surface layer exposed to blood flow, which plays a crucial role in regulating the interactions between circulating cells and the endothelium...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28337596/prolactin-regulation-of-the-hpa-axis-is-not-mediated-by-a-direct-action-upon-crh-neurons-evidence-from-the-rat-and-mouse
#13
Papillon Gustafson, Ilona Kokay, Tony Sapsford, Stephen Bunn, David Grattan
Centrally acting prolactin has been shown to have anti-stress effects by modulating the activity of the hypothalamic-pituitary-adrenal axis. We tested the hypothesis that prolactin directly targets hypothalamic corticotropin-releasing hormone (CRH) neurons. In situ hybridisation confirmed expression of mRNA encoding the long, but not the short, isoform of the prolactin receptor (PRLR) within the paraventricular nucleus (PVN) of the virgin rat; however, only 6% of CRH neurons expressed long-form Prlr mRNA. Examination of the functional response of CRH neurons to intracerebroventricular prolactin (500 ng) showed that these neurons did not respond with activation of phosphorylated signal transducer and activator of transcription 5 (pSTAT5), a marker of long-form PRLR activation...
March 23, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28337208/natural-killer-cell-development-and-maturation-revisited-possible-implications-of-a-novel-distinct-lin-cd34-dnam-1-bright-cxcr4-cell-progenitor
#14
Federica Bozzano, Francesco Marras, Andrea De Maria
Since the first description of natural killer (NK) cells, the view on their role in innate immunity has evolved considerably. In addition to first-line defense against transformed and pathogen-infected autologous cells, NK cells contribute to modulate adaptive immune responses and in some cases acquire specialized functions, including exhausted, adaptive, and decidual NK cells. NK cells derive from CD34(+) progenitors, in vivo and in vitro; however, it is unclear whether the high phenotype diversity in vivo may be generated from these precursors alone...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28336435/in%C3%A2-vitro-model-of-cerebral-ischemia-by-using-brain-microvascular-endothelial-cells-derived-from-human-induced-pluripotent-stem-cells
#15
Yasuhiro Kokubu, Tomoko Yamaguchi, Kenji Kawabata
Brain-derived microvascular endothelial cells (BMECs), which play a central role in blood brain barrier (BBB), can be used for the evaluation of drug transport into the brain. Although human BMEC cell lines have already been reported, they lack original properties such as barrier integrity. Pluripotent stem cells (PSCs) can be used for various applications such as regenerative therapy, drug screening, and pathological study. In the recent study, an induction method of BMECs from PSCs has been established, making it possible to more precisely study the in vitro human BBB function...
March 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28336283/-early-efficacy-of-dexamethasone-implant-ozurdex-%C3%A2-in-diabetic-macular-edema-real-life-study
#16
V Sarda, F Fajnkuchen, S Nghiem-Buffet, T Grenet, G Chaine, A Giocanti-Auregan
PURPOSE: To assess early efficacy of dexamethasone intravitreal implant 0.7mg (OZURDEX(®)) at the time of peak efficacy (2 months after injection) in patients with decreased visual acuity secondary to diabetic macular edema (DME). MATERIALS AND METHODS: Retrospective monocentric study. Inclusion criteria were best-corrected visual acuity (BCVA)≤70 letters (20/40) due to DME and central retinal thickness (CRT)≥300 microns (Cirrus 2, Carl Zeiss Meditec, Inc, Dublin)...
March 20, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28334974/efficacy-and-safety-of-sequential-use-of-everolimus-in-japanese-patients-with-advanced-renal-cell-carcinoma-after-failure-of-first-line-treatment-with-vascular-endothelial-growth-factor-receptor-tyrosine-kinase-inhibitor-a-multicenter-phase-ii-clinical-trial
#17
Masafumi Oyama, Takayuki Sugiyama, Masahiro Nozawa, Kiyohide Fujimoto, Takeshi Kishida, Go Kimura, Noriaki Tokuda, Shiro Hinotsu, Kojiro Shimozuma, Hideyuki Akaza, Seiichiro Ozono
Objective: Many studies have shown the efficacy of everolimus after pretreatment with vascular endothelial growth factor receptor-tyrosine kinase inhibitors. We investigated the efficacy and safety of everolimus as a second-line treatment after the failure of vascular endothelial growth factor receptor-tyrosine kinase inhibitor therapy in Japanese patients with advanced renal cell carcinoma. Methods: This was an open-label, multicenter, phase II trial conducted in Japan through the central registration system...
March 1, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28334933/disrupted-in-schizophrenia-1is-essential-for-normal-hypothalamic-pituitary-interrenal-hpi-axis-function
#18
Helen Eachus, Charlotte Bright, Vincent T Cunliffe, Marysia Placzek, Jonathan D Wood, Penelope J Watt
Psychiatric disorders arise due to an interplay of genetic and environmental factors, including stress. Studies in rodents have shown that mutants for Disrupted-In-Schizophrenia-1 (DISC1), a well-accepted genetic risk factor for mental illness, display abnormal behaviours in response to stress, but the mechanisms through which DISC1 affects stress responses remain poorly understood. Using two lines of zebrafish homozygous mutant for disc1, we investigated behaviour and functioning of the hypothalamic-pituitary-interrenal (HPI) axis, the fish equivalent of the hypothalamic-pituitary-adrenal (HPA) axis...
March 1, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28334482/minimising-central-line-associated-bloodstream-infections-clabsis-rate-in-inserting-central-venous-catheters-cvcs-in-the-adult-intensive-care-units-aicus
#19
REVIEW
Hedaya Hina, Joan McDowell
AIM: To investigate the procedural aspects in inserting central venous catheters that minimise central line associated bloodstream infections rates in adult intensive care units through a structured literature review. BACKGROUND: In adult intensive care units (AICU), central line associated bloodstream infections (CLABSI) are a major cause of high mortality rates and increased in costs due to the consequences of complications. METHODS: Eligible articles were identified by combining indexed keywords using Boolean operator of "AND" under databases of Ovid and CINAHL...
March 23, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28334346/directional-asymmetries-in-vowel-perception-of-adult-nonnative-listeners-do-not-change-over-time-with-language-experience
#20
Buddhamas Pralle Kriengwatana, Paola Escudero
Purpose: This study tested an assumption of the Natural Referent Vowel (Polka & Bohn, 2011) framework, namely, that directional asymmetries in adult vowel perception can be influenced by language experience. Method: Data from participants reported in Escudero and Williams (2014) were analyzed. Spanish participants categorized the Dutch vowels /aː/ and /ɑ/ in 2 separate sessions: before and after vowel distributional training. Sessions were 12 months apart. Categorization was assessed using the XAB task, where on each trial participants heard 3 sounds sequentially (first X, then A, then B) and had to decide whether X was more similar to A or B...
March 23, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
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