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https://www.readbyqxmd.com/read/29150989/an-evaluation-of-the-sentifit-270-analyser-for-quantitation-of-faecal-haemoglobin-in-the-investigation-of-patients-with-suspected-colorectal-cancer
#1
Josep M Auge, Cristina Rodriguez, Oihana Espanyol, Liseth Rivero, Silvia Sandalinas, Jaume Grau, Wladimiro Jimenez, Antoni Castells
BACKGROUND: An evaluation of SENTiFIT® 270 (Sentinel Diagnostics, Italy; Sysmex, Spain) analyser for the quantitation of faecal haemoglobin (f-Hb) was performed. METHODS: The analytical imprecision, linearity, carry over and f-Hb stability were determined. Evaluation of the diagnostic accuracy was performed on 487 patients. RESULTS: Within-run and between-run imprecision ranged 1.7%-5.1% and 3.8%-6.2%, respectively. Linearity studies revealed a mean recovery of 101...
November 18, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29150984/how-the-environment-shapes-animal-signals-a-test-of-the-acoustic-adaptation-hypothesis-in-frogs
#2
Sandra Goutte, Alain Dubois, Samuel D Howard, Rafael Márquez, Jodi J L Rowley, J Maximilian Dehling, Philippe Grandcolas, Rongchuan Xiong, Frédéric Legendre
Long distance acoustic signals are widely used in animal communication systems and, in many cases, essential for reproduction. The Acoustic Adaptation Hypothesis (AAH) implies that acoustic signals should be selected for further transmission and better content integrity under the acoustic constraints of the habitat in which they are produced. In the present study, we test predictions derived from the AAH in frogs. Specifically, we focus on the difference between torrent frogs and frogs calling in less noisy habitats...
November 18, 2017: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/29150958/inhibition-of-mir-200b-mir-429-contributes-to-neuropathic-pain-development-through-targeting-zinc-finger-e-box-binding-protein-1
#3
Xue-Tao Yan, Ying Zhao, Xiao-Li Cheng, Xiang-Hu He, Yu Wang, Wen-Zhong Zheng, Hu Chen, Yan-Lin Wang
Many studies have reported that microRNAs participate in neuropathic pain development. Previously, miR-200b and miR-429 are reported to be involved in various diseases. In our current study, we focused on their roles in neuropathic pain and we found that miR-200b and miR-429 were significantly decreased in chronic constriction injury (CCI) rat spinal cords and isolated microglials. miR-200b and miR-429 overexpression were able to relieve neuropathic pain through modulating PWT and PWL in CCI rats. Meanwhile, we observed that both miR-200b and miR-429 upregulation could repress neuroinflammation via inhibiting inflammatory cytokines such as IL-6, IL-1β and TNF-α in CCI rats...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29150953/new-algorithm-for-simulation-of-proteoglycan-loss-and-collagen-degeneration-in-the-knee-joint-data-from-the-osteoarthritis-initiative
#4
Mika E Mononen, Petri Tanska, Hanna Isaksson, Rami K Korhonen
Osteoarthritis is a harmful joint disease but prediction of disease progression is problematic. Currently, there is only one modeling framework which can be applied to predict the progression of knee osteoarthritis but it only considers degenerative changes in the collagen fibril network. Here, we have developed the framework further by considering all of the major tissue changes (proteoglycan content, fluid flow and collagen fibril network) occurring in osteoarthritis. While excessive levels of tissue stresses controlled degeneration of the collagen fibril network, excessive levels of tissue strains controlled the decrease in proteoglycan content and the increase in permeability...
November 18, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29150948/methylation-associated-dok1-and-dok2-down-regulation-potential-biomarkers-for-predicting-adverse-prognosis-in-acute-myeloid-leukemia
#5
Pin-Fang He, Zi-Jun Xu, Jing-Dong Zhou, Xi-Xi Li, Wei Zhang, De-Hong Wu, Zhi-Hui Zhang, Xin-Yue Lian, Xin-Yu Yao, Zhao-Qun Deng, Jiang Lin, Jun Qian
DOK-1 and DOK-2 (DOK1/2) are closely related members of downstream of tyrosine kinase (DOK) family genes, which are found to be frequently rearranged in several hematopoietic cancers. However, the clinical implications of DOK1/2 in acute myeloid leukemia (AML) remain largely unknown. To investigate the clinical significance, real-time quantitative PCR (RQ-PCR) was carried out to detect DOK1/2 expressions in 125 de novo AML patients and 28 healthy controls. Real-time quantitative methylation-specific PCR (RQ-MSP) and bisulfite sequencing PCR (BSP) were applied to detect DOK1/2 methylation level and density...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29150941/micrornas-as-predictive-biomarkers-for-myocardial-injury-in-aged-mice-following-myocardial-infarction
#6
Natia Qipshidze Kelm, Kellianne M Piell, Eugenia Wang, Marsha P Cole
The occurrence of myocardial infarction (MI) increases appreciably with age. In the Framingham Heart Study, the incidence of MI more than doubles for men and increases more than 5-fold in women (ages 55 to 64 years compared to 85 to 94 years). MicroRNAs (miRNAs) quantitatively regulate their target's expression post-transcriptionally by either silencing action through binding at the 3'UTR domains or degrading the messages at their coding regions. In either case, these regulations affect the cardiac transcriptional output and cardiac function...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29150931/microrna-497-accelerates-apoptosis-while-inhibiting-proliferation-migration-and-invasion-through-negative-regulation-of-the-mapk-erk-signaling-pathway-via-raf-1
#7
Ling Tao, Xia Li, Na-Na Han, Qi Zhou, Zhi-Le Liu
The aim of this study is to explore the various modes of action miR-497 has on human cervical cancer (CC) cell behavior. We also speculate that miR-497 achieves its anti-tumor role by governing RAF-1 via MAPK/ERK signaling pathway. CC tissues with corresponding adjacent normal tissues were collected from 168 CC patients. RAF-1-positive cells were identified by means of immunohistochemistry in tissues. A series of inhibitors, mimics and siRNA against RAF-1 were introduced to validate regulatory mechanisms for miR-497 and RAF-1...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29150912/sustaining-an-efficient-and-effective-cho-cell-line-development-platform-by-incorporation-of-24-deep-well-plate-screening-and-multivariate-analysis
#8
Alessandro Mora, Sheng Sam Zhang, Gerald Carson, Bernard Nabiswa, Patrick Hossler, Seongkyu Yoon
Efficient and effective cell line screening is paramount towards a successful biomanufacturing program. Here we describe the implementation of 24-deep well plate screening of CHO lines as part of the cell line development platform at AbbVie. Incorporation of this approach accelerated the identification of the best candidate lines for process development. In an effort to quantify and predict process performance comparability, we compared cell culture performance in 24-deep well plates (24-DWP) and in shake flasks, for a panel of Chinese Hamster Ovary cell lines expressing a monoclonal antibody...
November 18, 2017: Biotechnology Progress
https://www.readbyqxmd.com/read/29150906/pretreatment-advanced-lung-cancer-inflammation-index-ali-for-predicting-early-progression-in-nivolumab-treated-patients-with-advanced-non-small-cell-lung-cancer
#9
Takayuki Shiroyama, Hidekazu Suzuki, Motohiro Tamiya, Akihiro Tamiya, Ayako Tanaka, Norio Okamoto, Kenji Nakahama, Yoshihiko Taniguchi, Shun-Ichi Isa, Takako Inoue, Fumio Imamura, Shinji Atagi, Tomonori Hirashima
Programmed death-ligand 1 (PD-L1) expression status is inadequate for indicating nivolumab in patients with non-small cell lung cancer (NSCLC). Because the baseline advanced lung cancer inflammation index (ALI) is reportedly associated with patient outcomes, we investigated whether the pretreatment ALI is prognostic in NSCLC patients treated with nivolumab. We retrospectively reviewed the medical records of all patients treated with nivolumab for advanced NSCLC between December 2015 and May 2016 at three Japanese institutes...
November 18, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/29150902/wieacker-wolff-syndrome-with-associated-cleft-palate-in-a-female-case
#10
Natalie D Godfrey, Samandar Dowlatshahi, Madelena M Martin, Douglas M Rothkopf
Wieacker-Wolff syndrome is a rare congenital syndrome with few reported cases in the current literature. It is traditionally described in males as an X-linked recessive disorder associated with congenital contractures of the feet, progressive neurologic muscular atrophy, and intellectual delay caused by ZC4H2 mutations. The purpose of this paper is to present a female individual with a classic phenotype and cleft palate, a previously undescribed finding in this syndrome. Recent reports have demonstrated that females are rarely severely affected and phenotypic expression is difficult to predict [Zanzottera et al...
November 17, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29150900/genetic-overlap-between-epilepsy-and-schizophrenia-evidence-from-cross-phenotype-analysis-in-hong-kong-chinese-population
#11
Hongsheng Gui, Miaoxin Li, Pak C Sham, Larry Baum, Patrick Kwan, Stacey S Cherny
Epilepsy and schizophrenia are common and typical neurological or mental illness respectively, and sometimes they comorbid in the same patients, however the underlying genetic relationship between the two brain diseases is still not fully understood. To investigate the possible genetic contribution to their comorbidity, we performed polygenic risk score (PRS) analyses and genetic correlation estimation so as to identify the overall genetic overlap between the two diseases. The global schizophrenia PRS is strongly associated with schizophrenia phenotype in Hong Kong population (odds ratio = 1...
November 17, 2017: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
https://www.readbyqxmd.com/read/29150884/directional-local-field-potentials-a-tool-to-optimize-deep-brain-stimulation
#12
Gerd Tinkhauser, Alek Pogosyan, Ines Debove, Andreas Nowacki, Syed Ahmar Shah, Kathleen Seidel, Huiling Tan, John-Stuart Brittain, Katrin Petermann, Lazzaro di Biase, Markus Oertel, Claudio Pollo, Peter Brown, Michael Schuepbach
BACKGROUND: Although recently introduced directional DBS leads provide control of the stimulation field, programing is time-consuming. OBJECTIVES: Here, we validate local field potentials recorded from directional contacts as a predictor of the most efficient contacts for stimulation in patients with PD. METHODS: Intraoperative local field potentials were recorded from directional contacts in the STN of 12 patients and beta activity compared with the results of the clinical contact review performed after 4 to 7 months...
November 18, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29150872/predicting-the-onset-of-freezing-of-gait-a-longitudinal-study
#13
Kaylena A Ehgoetz Martens, Emily L Lukasik, Matthew J Georgiades, Moran Gilat, Julie M Hall, Courtney C Walton, Simon J G Lewis
BACKGROUND: Freezing of gait is a disabling symptom of Parkinson's disease that ultimately affects approximately 80% of patients, yet very little research has focused on predicting the onset of freezing of gait and tracking the longitudinal progression of symptoms prior to its onset. The objective of the current study was to examine longitudinal data spanning the transition period when patients with PD developed freezing of gait to identify symptoms that may precede freezing and create a prediction model that identifies those "at risk" for developing freezing of gait in the year to follow...
November 18, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29150856/defining-sepsis-on-the-wards-results-of-a-multi-centre-point-prevalence-study-comparing-two-sepsis-definitions
#14
T Szakmany, R Pugh, M Kopczynska, R M Lundin, B Sharif, P Morgan, G Ellis, J Abreu, S Kulikouskaya, K Bashir, L Galloway, H Al-Hassan, T Grother, P McNulty, S T Seal, A Cains, M Vreugdenhil, M Abdimalik, N Dennehey, G Evans, J Whitaker, E Beasant, C Hall, M Lazarou, C V Vanderpump, K Harding, L Duffy, A Guerrier Sadler, R Keeling, C Banks, S W Y Ng, S Y Heng, D Thomas, E W Puw, I Otahal, C Battle, O Minik, R A Lyons, J E Hall
Our aim was to prospectively determine the predictive capabilities of SEPSIS-1 and SEPSIS-3 definitions in the emergency departments and general wards. Patients with National Early Warning Score (NEWS) of 3 or above and suspected or proven infection were enrolled over a 24-h period in 13 Welsh hospitals. The primary outcome measure was mortality within 30 days. Out of the 5422 patients screened, 431 fulfilled inclusion criteria and 380 (88%) were recruited. Using the SEPSIS-1 definition, 212 patients had sepsis...
November 17, 2017: Anaesthesia
https://www.readbyqxmd.com/read/29150851/outgroup-members-internal-criticism-promotes-intergroup-openness-the-role-of-perceived-risk
#15
Melissa McDonald, Samantha Brindley, Eran Halperin, Tamar Saguy
Research suggests that hearing an outgroup member voice internal criticism increases individuals' openness to the outgroup's perspective. We replicate and extend these findings in the context of the Israeli-Palestinian conflict. Israeli participants exposed to a Palestinian official voicing internal criticism reported more openness to the Palestinian narrative of the conflict, an effect that was mediated by an increase in participants' perception that Palestinians are open-minded and a subsequent increase in their hope for more positive relations between the two groups...
November 17, 2017: British Journal of Social Psychology
https://www.readbyqxmd.com/read/29150827/implications-of-tourist-macaque-interactions-for-disease-transmission
#16
Charlotte Carne, Stuart Semple, Ann MacLarnon, Bonaventura Majolo, Laëtitia Maréchal
During wildlife tourism, proximity or actual contact between people and animals may lead to a significant risk of anthropozoonotic disease transmission. In this paper, we use social network analysis, disease simulation modelling and data on animal health and behaviour to investigate such risks at a site in Morocco, where tourists come to see wild Barbary macaques (Macaca sylvanus). Measures of individual macaques' network centrality-an index of the strength and distribution of their social relationships and thus potentially their ability to spread disease-did not show clear and consistent relationships with their time spent in close proximity to, or rate of interacting with, tourists...
November 17, 2017: EcoHealth
https://www.readbyqxmd.com/read/29150792/correlation-between-mgmt-promoter-methylation-and-response-to-temozolomide-based-therapy-in-neuroendocrine-neoplasms-an-observational-retrospective-multicenter-study
#17
Davide Campana, Thomas Walter, Sara Pusceddu, Fabio Gelsomino, Emmanuelle Graillot, Natalie Prinzi, Andrea Spallanzani, Michelangelo Fiorentino, Marc Barritault, Filippo Dall'Olio, Nicole Brighi, Guido Biasco
PURPOSE: Temozolomide (TEM) based therapy has been reported being effective in the treatment of metastatic neuroendocrine neoplasms (NEN), with response rates ranging from 30 to 70%. Among patients affected by advanced glioblastoma or melanoma and treated with TEM, loss of tumoral O6-methylguanine DNA methyltransferase (MGMT) is correlated with improved survival. In NEN patients, the role of MGMT deficiency in predicting clinical outcomes of TEM treatment is still under debate. METHODS: In this study we evaluated 95 patients with advanced NENs undergoing treatment with TEM-based therapy...
November 17, 2017: Endocrine
https://www.readbyqxmd.com/read/29150764/projections-for-the-changes-in-growing-season-length-of-tree-ring-formation-on-the-tibetan-plateau-based-on-cmip5-model-simulations
#18
Minhui He, Bao Yang, Vladimir Shishov, Sergio Rossi, Achim Bräuning, Fredrik Charpentier Ljungqvist, Jussi Grießinger
The response of the growing season to the ongoing global warming has gained considerable attention. In particular, how and to which extent the growing season will change during this century is essential information for the Tibetan Plateau, where the observed warming trend has exceeded the global mean. In this study, the 1960-2014 mean length of the tree-ring growing season (LOS) on the Tibetan Plateau was derived from results of the Vaganov-Shashkin oscilloscope tree growth model, based on 20 composite study sites and more than 3000 trees...
November 17, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/29150760/slow-passage-through-a-hopf-bifurcation-in-excitable-nerve-cables-spatial-delays-and-spatial-memory-effects
#19
L M Bilinsky, S M Baer
It is well established that in problems featuring slow passage through a Hopf bifurcation (dynamic Hopf bifurcation) the transition to large-amplitude oscillations may not occur until the slowly changing parameter considerably exceeds the value predicted from the static Hopf bifurcation analysis (temporal delay effect), with the length of the delay depending upon the initial value of the slowly changing parameter (temporal memory effect). In this paper we introduce new delay and memory effect phenomena using both analytic (WKB method) and numerical methods...
November 17, 2017: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/29150759/from-experiment-to-theory-what-can-we-learn-from-growth-curves
#20
Irina Kareva, Georgy Karev
Finding an appropriate functional form to describe population growth based on key properties of a described system allows making justified predictions about future population development. This information can be of vital importance in all areas of research, ranging from cell growth to global demography. Here, we use this connection between theory and observation to pose the following question: what can we infer about intrinsic properties of a population (i.e., degree of heterogeneity, or dependence on external resources) based on which growth function best fits its growth dynamics? We investigate several nonstandard classes of multi-phase growth curves that capture different stages of population growth; these models include hyperbolic-exponential, exponential-linear, exponential-linear-saturation growth patterns...
November 17, 2017: Bulletin of Mathematical Biology
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