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https://www.readbyqxmd.com/read/28109061/urocortin-suppresses-endometrial-cancer-cell-migration-via-crfr2-and-its-system-components-are-differentially-modulated-by-estrogen
#1
Gemma L Owens, Kevin M Lawrence, Tom R Jackson, Emma J Crosbie, Berna S Sayan, Henry C Kitchener, Paul A Townsend
Urocortin (UCN1) peptide shares structural and functional homology with corticotropin-releasing factor (CRF). UCN1 is significantly reduced in endometrial adenocarcinoma compared to healthy controls. However, there are no data which evaluate the effects of UCN1 in the endometrium, or how it is modulated. We used proliferation and transwell assays to determine the effect of UCN1 on the proliferation and migration of Ishikawa and HEC1A cells. We also determined the expression levels of UCN1 and its receptors produced by estrogen receptor agonists, and the effect of UCN1 on estrogen receptor expression, using quantitative polymerase chain reaction...
January 21, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28109026/refinement-of-the-criteria-for-ultrastructural-peritubular-capillary-basement-membrane-multilayering-in-the-diagnosis-of-chronic-active-acute-antibody-mediated-rejection
#2
Heounjeong Go, Sung Shin, Young Hoon Kim, Duck Jong Han, Yong Mee Cho
Chronic active/acute antibody-mediated rejection (cABMR) is the main cause of late renal allograft loss. Severe peritubular capillary basement membrane multilayering (PTCML) assessed on electron microscopy is one diagnostic feature of cABMR according to the Banff2013 classification. We aimed to refine the PTCML criteria for an earlier diagnosis of cABMR. We retrospectively investigated ultrastructural features of 159 consecutive renal allografts and 44 non-allografts. The presence of serum donor-specific antibodies at the time of biopsy of allografts was also examined...
January 21, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28108872/neighborhood-disorder-and-physical-activity-among-older-adults-a-longitudinal-study
#3
Stephen J Mooney, Spruha Joshi, Magdalena Cerdá, Gary J Kennedy, John R Beard, Andrew G Rundle
Neighborhood physical disorder-the visual indications of neighborhood deterioration-may inhibit outdoor physical activity, particularly among older adults. However, few previous studies of the association between neighborhood disorder and physical activity have focused on this sensitive population group, and most have been cross-sectional. We examined the relationship between neighborhood physical disorder and physical activity, measured using the Physical Activity Scale for the Elderly (PASE), in a three-wave longitudinal study of 3497 New York City residents aged 65-75 at baseline weighted to be representative of the older adult population of New York City...
January 20, 2017: Journal of Urban Health: Bulletin of the New York Academy of Medicine
https://www.readbyqxmd.com/read/28108859/the-arc-gene-confers-genetic-susceptibility-to-alzheimer-s-disease-in-han-chinese
#4
Rui Bi, Li-Li Kong, Min Xu, Guo-Dong Li, Deng-Feng Zhang, Tao Li, Yiru Fang, Chen Zhang, Buchang Zhang, Yong-Gang Yao
Alzheimer's disease (AD) is the most common form of dementia. The deposition of β-amyloid (Aβ) plaques in the brain was considered one of the main neuropathological hallmarks of AD. As the loss of synapses always occurs during AD progression, AD has been gradually regarded as a "synaptopathy." The activity-regulated cytoskeleton-associated protein (Arc) was recently identified as a key factor for AD due to its active roles in synaptic plasticity, learning, memory, and Aβ generation. However, there is little evidence to support the association of the Arc gene with AD...
January 20, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28108842/genetic-analysis-of-the-m2-anxa5-haplotype-as-recurrent-pregnancy-loss-predisposition-in-the-malay-population
#5
Kai-Cheen Ang, Sushilnathan Kathirgamanathan, Ewe Seng Ch'ng, Yan-Yeow Lee, Anna-Liza Roslani, Bavanandan Naidu, Krishna Kumar, Ridzuan Abdullah, Siti-Nadiah Abdul Kadir, Narazah Mohd Yusoff, Wan Zaidah Abdullah, Nadja Bogdanova, Peter Wieacker, Arseni Markoff, Thean-Hock Tang
PURPOSE: The aim of this study was to evaluate a new predisposition factor, M2/ANXA5 (RPRGL3), in recurrent pregnancy loss (RPL) patients of Malay origin, since it was previously known that the prevalence of this condition is relatively high among the Malay population of Malaysia, where conventional hereditary thrombophilia factors have been generally ruled out. METHODS: A total of 232 women who had experienced ≥2 unexplained RPL and 141 available male partners were recruited, with 360 healthy Malay and 166 parous female controls...
January 20, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28108681/re-emergence-of-methicillin-susceptibility-in-a-resistant-lineage-of-staphylococcus-aureus
#6
Alice Ledda, James R Price, Kevin Cole, Martin J Llewelyn, Angela M Kearns, Derrick W Crook, John Paul, Xavier Didelot
OBJECTIVES: MRSA is a leading cause of hospital-associated infection. Acquired resistance is encoded by the mecA gene or its homologue mecC, but little is known about the evolutionary dynamics involved in gain and loss of resistance. The objective of this study was to obtain an expanded understanding of Staphylococcus aureus methicillin resistance microevolution in vivo, by focusing on a single lineage. METHODS: We compared the whole-genome sequences of 231 isolates from a single epidemic lineage [clonal complex 30 (CC30) and spa-type t018] of S...
January 20, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28108608/macrophage-proliferation-sustains-adipose-tissue-inflammation-in-formerly-obese-mice
#7
Brian F Zamarron, Taleen A Mergian, Kae Won Cho, Gabriel Martinez-Santibanez, Danny Luan, Kanakadurga Singer, Jennifer L DelProposto, Lynn M Geletka, Lindsey A Muir, Carey N Lumeng
Obesity causes dramatic proinflammatory changes in the adipose tissue immune environment, but relatively little is known regarding how this inflammation responds to weight loss (WL). To understand the mechanisms by which meta-inflammation resolves during WL, we examined adipose tissue leukocytes in mice after withdrawal of a high-fat diet. After 8 weeks of WL, mice achieved similar weights and glucose tolerance values as age-matched lean controls but showed abnormal insulin tolerance. Despite fat mass normalization, total and CD11c(+) adipose tissue macrophage (ATM) content remained elevated in WL mice for up to 6 months and was associated with persistent fibrosis in adipose tissue...
February 2017: Diabetes
https://www.readbyqxmd.com/read/28108358/neurochemical-and-metabolic-effects-of-acute-and-chronic-alcohol-in-the-human-brain-studies-with-positron-emission-tomography
#8
REVIEW
Nora D Volkow, Corinde E Wiers, Ehsan Shokri-Kojori, Dardo Tomasi, Gene-Jack Wang, Ruben Baler
The use of Positron emission tomography (PET) to study the effects of acute and chronic alcohol on the human brain has enhanced our understanding of the mechanisms underlying alcohol's rewarding effects, the neuroadaptations from chronic exposure that contribute to tolerance and withdrawal, and the changes in fronto-striatal circuits that lead to loss of control and enhanced motivation to drink that characterize alcohol use disorders (AUD). These include studies showing that alcohol's reinforcing effects may result not only from its enhancement of dopaminergic, GABAergic and opioid signaling but also from its caloric properties...
January 17, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28108335/tryptase-catalyzed-core-histone-truncation-a-novel-epigenetic-regulatory-mechanism-in-mast-cells
#9
Fabio R Melo, Ola Wallerman, Aida Paivandy, Gabriela Calounova, Ann-Marie Gustafson, Benjamin R Sabari, Giuliano Zabucchi, C David Allis, Gunnar Pejler
BACKGROUND: Mast cells are key effector cells in allergic reactions. When activated to degranulate, they release a plethora of bioactive compounds from their secretory granules, including mast cell-restricted proteases such as tryptase. In a previous study we showed that tryptase, in addition to its intragranular location, can be found within the nuclei of mast cells where it truncates core histones at their N-terminal ends. OBJECTIVE: Considering that the N-terminal portions of the core histones constitute sites for posttranslational modifications of major epigenetic impact, we here evaluated whether histone truncation by tryptase could have an impact on epigenetic events in mast cells...
January 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28108292/reversal-of-high-fat-diet-induced-obesity-improves-glucose-tolerance-inflammatory-response-%C3%AE-amyloid-accumulation-and-cognitive-decline-in-the-app-psen1-mouse-model-of-alzheimer-s-disease
#10
J M Walker, S Dixit, A C Saulsberry, J M May, F E Harrison
This study assessed the extent to which high fat diet (HFD)-induced β-amyloid accumulation and cognitive decline in APP/PSEN1 mice are reversible through control of fat intake. Ten months of HFD (60% calories from fat) led to significant deficits in a 2-trial Y maze task, and nest building assay, and decreased voluntary locomotor activity. The HFD induced an inflammatory response, indicated by increased expression of several inflammatory markers. Substituting a low fat diet led to pronounced weight loss and correction of glucose intolerance, decreases in the inflammatory response, and improved performance on behavioral tasks in both wild-type and APP/PSEN1 transgenic mice...
January 17, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28108236/comparison-between-piezosurgery-and-conventional-osteotomy-in%C3%A2-cranioplasty-with-fronto-orbital-advancement
#11
Markus Martini, Andreas Röhrig, Rudolf Hermann Reich, Martina Messing-Jünger
BACKGROUND: Cranioplasty of patients with craniosynostosis requires rapid, precise and gentle osteotomy of the skull to avoid complications and benefit the healing process. The aim of this prospective clinical study was to compare two different methods of osteotomy. Piezosurgery and conventional osteotomy were compared using an oscillating saw and high speed drill while performing cranioplasties with fronto-orbital advancement. METHODS: Thirty-four children who required cranioplasty with fronto-orbital advancement were recruited consecutively...
December 21, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28108161/behavioral-response-and-gene-expression-changes-in-fipronil-administered-male-japanese-quail-coturnix-japonica
#12
Samah R Khalil, Ashraf Awad, Hesham H Mohammed
Fipronil is an important member of the phenylpyrazole group of insecticides and is widely used for various crops and vegetables to control insects, thereby exposing birds, animals, and humans to fipronil. Currently, there is limited information on the effects of fipronil exposure in Japanese quail. Therefore, our aim was to assess the reproductive toxicological effects of fipronil in the Japanese quail in a 15-day gavage study and then its recovery over a period of 60 days. Fipronil-administration led to significant losses in both feed intake and body weight...
January 17, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28108032/disruption-of-the-sheep-bmpr-ib-gene-by-crispr-cas9-in-in%C3%A2-vitro-produced-embryos
#13
Xuemei Zhang, Wenrong Li, Yangsheng Wu, Xinrong Peng, Bian Lou, Liqin Wang, Mingjun Liu
BMPR-IB (also known as FecB) is a key candidate gene for the genetic control of sheep reproductive performance. Loss-of-function mutations in the sheep BMPR-IB gene lead to an increase in ovulation rate and consequently larger litter size. However, the BMPR-IB gene has been identified in only a few sheep breeds. To improve sheep reproduction through modification of the BMPR-IB gene, we designed an sgRNA to target the sheep BMPR-IB gene by using the CRISPR/Cas9 system. First, we performed gene editing by injecting Cas9/sgRNA into the cytoplasm of one-cell fertilized eggs...
November 9, 2016: Theriogenology
https://www.readbyqxmd.com/read/28108010/from-avoidance-to-approach-the-influence-of-threat-of-shock-on-reward-based-decision-making
#14
Florian Bublatzky, Georg W Alpers, Andre Pittig
Potential threat can prime defensive responding and avoidance behavior, which may result in the loss of rewards. When aversive consequences do not occur, avoidance should, thus, be quickly overcome in healthy individuals. This study examined the impact of threat anticipation on reward-based decisions. Sixty-five participants completed a decision-making task in which they had to choose between high- and low-reward options. To model an approach-avoidance conflict, the high-reward option was contingent with a threat-of-shock cue; the low-reward option was contingent with a safety cue...
January 10, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28107741/building-related-symptoms-are-linked-to-the-in-vitro-toxicity-of-indoor-dust-and-airborne-microbial-propagules-in-schools-a-cross-sectional-study
#15
J T Salin, M Salkinoja-Salonen, P J Salin, K Nelo, T Holma, P Ohtonen, H Syrjälä
INTRODUCTION: Indoor microbial toxicity is suspected to cause some building-related symptoms, but supporting epidemiological data are lacking. OBJECTIVE: We examined whether the in vitro toxicity of indoor samples from school buildings was associated with work-related health symptoms (building-related symptoms, BRS). METHODS: Administrators of the Helsinki City Real Estate Department selected 15 schools for the study, and a questionnaire on symptoms connected to work was sent to the teachers in the selected schools for voluntary completion...
January 17, 2017: Environmental Research
https://www.readbyqxmd.com/read/28107724/effect-of-sole-or-combined-administration-of-nitrate-and-3-nitro-1-propionic-acid-on-fermentation-and-salmonella-survivability-in-alfalfa-fed-rumen-cultures-in-vitro
#16
Alejandro Castañeda Correa, Julian Trachsel, Heather K Allen, Agustin Corral-Luna, Hector Gutierrez-Bañuelos, Pedro Antonia Ochoa-Garcia, Oscar Ruiz-Barrera, Michael E Hume, Todd R Callaway, Roger B Harvey, Ross C Beier, Robin C Anderson, David J Nisbet
Ruminal methanogenesis is a digestive inefficiency resulting in the loss of dietary energy consumed by the host and contributing to environmental methane emission. Nitrate is being investigated as a feed supplement to reduce rumen methane emissions but safety and efficacy concerns persist. To assess potential synergies of co-administering sub-toxic amounts of nitrate and 3-nitro-1-propionate (NPA) on fermentation and Salmonella survivability with an alfalfa-based diet, ruminal microbes were cultured with additions of 8 or 16mM nitrate, 4 or 12mM NPA or their combinations...
January 12, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28107692/rna-binding-protein-msi2-positively-regulates-flt3-expression-in-myeloid-leukemia
#17
Ayuna Hattori, Daniel McSkimming, Natarajan Kannan, Takahiro Ito
FLT3 is frequently mutated and overexpressed in acute myelogenous leukemia (AML) and other hematologic malignancies. Although signaling events downstream of FLT3 receptor tyrosine kinase has been studied in depth, molecular mechanisms of how FLT3 expression is regulated at the post-transcriptional level in particular remain elusive. In this study, we investigated the roles of an RNA binding protein MSI2 as a regulator of FLT3 expression. MSI2 and FLT3 are significantly co-regulated in human AML and chronic myelogenous leukemia in blast crisis (BC-CML)...
January 11, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28107598/dropout-in-clinical-trials-of-pharmacologic-treatment-for-methamphetamine-dependence-the-role-of-initial-abstinence
#18
Ryan Cook, Brendan Quinn, Keith Heinzerling, Steve Shoptaw
BACKGROUND AND AIMS: High rates of loss to follow-up represent a significant challenge to clinical trials of pharmacologic treatments for methamphetamine (MA) use disorder. We aimed to estimate and test the relationship between achieving and maintaining abstinence in the initial weeks of study participation and subsequent retention in such trials, hypothesizing that participants able to achieve early abstinence would be less likely to drop out. DESIGN: Data from four randomized controlled trials (RCTs) of pharmacologic treatments for MA use disorder were pooled and analyzed using a random-effects approach...
January 20, 2017: Addiction
https://www.readbyqxmd.com/read/28107589/serum-lincrna-p21-as-a-potential-biomarker-of-liver-fibrosis-in-chronic-hepatitis-b-patients
#19
Fujun Yu, Guangyao Zhou, Kate Huang, XuFei Fan, Guojun Li, Bicheng Chen, Peihong Dong, Jianjian Zheng
Serum long non-coding RNAs (lncRNAs) are emerging as promising biomarkers for various human diseases. The aim of this study was to investigate the feasibility of using serum long intergenic non-coding RNA-p21 (lincRNA-p21) as a biomarker for chronic hepatitis B patients. Serum lincRNA-p21 levels were quantified using real-time PCR in 417 CHB patients and 363 healthy controls. The promoter methylation level of lincRNA-p21 was detected using bisulfite-sequencing analysis in primary hepatic stellate cells (HSCs)...
January 20, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28107449/the-impact-of-shame-self-criticism-and-social-rank-on-eating-behaviours-in-overweight-and-obese-women-participating-in-a-weight-management-programme
#20
Cristiana Duarte, Marcela Matos, R James Stubbs, Corinne Gale, Liam Morris, Jose Pinto Gouveia, Paul Gilbert
Recent research has suggested that obesity is a stigmatised condition. Concerns with personal inferiority (social rank), shame and self-criticism may impact on weight management behaviours. The current study examined associations between social comparison (shame, self-criticism), negative affect and eating behaviours in women attending a community based weight management programme focused on behaviour change. 2,236 participants of the programme completed an online survey using measures of shame, self-criticism, social comparison, and weight-related affect, which were adapted to specifically address eating behaviour, weight and body shape perceptions...
2017: PloS One
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