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https://www.readbyqxmd.com/read/28647319/in-vitro-stimulation-of-vitellogenin-expression-by-insulin-in-the-mud-crab-scylla-paramamosain-mediated-through-pi3k-akt-tor-pathway
#1
Xiaoshuai Huang, Biyun Feng, Huiyang Huang, Haihui Ye
Vitellogenin (vtg) synthesis, known as vitellogenesis, is one of most important processes in the ovarian development of oviparous animals. Recently, multiple insulin-like peptides (ILPs) have been reported in crustacean species due to the application of transcriptome sequencing. In this context, the present study reports that the addition of an exogenous ILP, bovine insulin, stimulates vtg (termed Sp-vtg) expression in hepatopancreatic explants from the mud crab, Scylla paramamosain, by in vitro experiments...
June 21, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28646349/modeling-pain-using-fmri-from-regions-to-biomarkers
#2
REVIEW
Marianne C Reddan, Tor D Wager
Pain is a subjective and complex phenomenon. Its complexity is related to its heterogeneity: multiple component processes, including sensation, affect, and cognition, contribute to pain experience and reporting. These components are likely to be encoded in distributed brain networks that interact to create pain experience and pain-related decision-making. Therefore, to understand pain, we must identify these networks and build models of these interactions that yield testable predictions about pain-related outcomes...
June 23, 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/28646136/recurrent-background-mutations-in-whi2-impair-proteostasis-and-degradation-of-misfolded-cytosolic-proteins-in-saccharomyces-cerevisiae
#3
Sophie A Comyn, Stéphane Flibotte, Thibault Mayor
Proteostasis promotes viability at both the cellular and organism levels by maintaining a functional proteome. This requires an intricate protein quality control (PQC) network that mediates protein folding by molecular chaperones and removes terminally misfolded proteins via the ubiquitin proteasome system and autophagy. How changes within the PQC network can perturb proteostasis and shift the balance between protein folding and proteolysis remain poorly understood. However, given that proteostasis is altered in a number of conditions such as cancer and ageing, it is critical that we identify the factors that mediate PQC and understand the interplay between members of the proteostatic network...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28644092/single-and-multiple-cardiovascular-biomarkers-in-subjects-without-a-previous-cardiovascular-event
#4
Manan Pareek, Deepak L Bhatt, Muthiah Vaduganathan, Tor Biering-Sørensen, Arman Qamar, Axel Cp Diederichsen, Jacob Eifer Møller, Peter Hindersson, Margrét Leósdóttir, Martin Magnusson, Peter M Nilsson, Michael H Olsen
Aims To assess the incremental value of biomarkers, including N-terminal prohormone of brain natriuretic peptide (NT-proBNP), high-sensitivity troponin T (hs-TnT), high-sensitivity C-reactive protein (hs-CRP), interleukin-6 (IL-6), growth differentiation factor 15 (GDF-15), and procollagen type 1 N-terminal propeptide (P1NP), in predicting incident cardiovascular events and mortality among asymptomatic individuals from the general population, beyond traditional risk factors, including fasting glucose and renal function (cystatin C), medication use, and echocardiographic measures...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28643875/prediction-of-severe-pre-eclampsia-by-a-combination-of-sflt-1-ct-pro-et1-and-blood-pressure-exploratory-study
#5
Anne Lind Malte, Niels Uldbjerg, David Wright, Niels Tørring
OBJECTIVES: To evaluate the performance of a combination of clinical-, angiogenic- and vasoactive biomarkers to predict the development of severe preeclampsia (PE) and HELLP syndrome in the third trimester METHODS: We included 221 women with suspected- , light- , moderate - or severe PE/HELLP (mean gestational age 35(+6) weeks) attending the obstetrical outpatient clinic, and 99 with normal pregnancies. RESULTS: In a group of patients presenting with mild to moderate symptoms of preeclampsia, a combination of C-terminal Pro Endothelin 1 (CT-Pro-ET1), sFlt-1 and systolic blood pressure reached an Area under Curve (AUC) of 0...
June 23, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28643116/express-yourself-how-pp2a-b55-pab1-helps-torc1-talk-to-torc2
#6
REVIEW
Ruth Martín, Sandra Lopez-Aviles
The control of cell fate, growth and proliferation in response to nitrogen availability is a tightly controlled process, with the two TOR complexes (TORC1 and TORC2) and their effectors playing a central role. PP2A-B55(Pab1) has recently been shown to be a key element in this response in fission yeast, where it regulates cell cycle progression and sexual differentiation. Importantly, a recent study from our group has shown that PP2A-B55(Pab1) acts as a mediator between the activities of the two TOR signaling modules, enabling a crosstalk that is required to engage in the differentiation program...
June 22, 2017: Current Genetics
https://www.readbyqxmd.com/read/28642760/interleukin-6-in-allogeneic-stem-cell-transplantation-its-possible-importance-for-immunoregulation-and-as-a-therapeutic-target
#7
REVIEW
Tor Henrik Anderson Tvedt, Elisabeth Ersvaer, Anders Aune Tveita, Øystein Bruserud
Allogeneic stem cell transplantation is associated with a high risk of treatment-related mortality mainly caused by infections and graft-versus-host disease (GVHD). GVHD is characterized by severe immune dysregulation and impaired regeneration of different tissues, i.e., epithelial barriers and the liver. The balance between pro- and anti-inflammatory cytokine influences the risk of GVHD. Interleukin-6 (IL-6) is a cytokine that previously has been associated with pro-inflammatory effects. However, more recent evidence from various autoimmune diseases (e...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28640170/effectiveness-of-electroconvulsive-therapy-and-associated-cognitive-change-in-schizophrenia-a-naturalistic-comparative-study-of-treating-schizophrenia-with-electroconvulsive-therapy
#8
Phern-Chern Tor, Jiangbo Ying, New Fei Ho, Mingyuan Wang, Donel Martin, Chai Pin Ang, Chunzhen Tan, Lee Shen Yap, Vincent John Magat Lu, Brett Simpson, Yee Ming Mok, Colleen Loo
OBJECTIVE: There is limited evidence regarding the relative treatment effectiveness and cognitive effects of different types of electroconvulsive therapy (ECT) in schizophrenia. In this study, we sought to determine the overall effectiveness and compare the symptomatic and cognitive outcomes of patients with schizophrenia who received different modalities of ECT treatment. METHODS: Patients received 1 of 4 of the following ECT modalities: bitemporal ECT with age-based dosing, right unilateral ECT with seizure threshold-based dosing, bitemporal ECT with seizure threshold-based dosing, and bifrontal ECT with seizure threshold-based dosing ECT...
June 15, 2017: Journal of ECT
https://www.readbyqxmd.com/read/28638821/the-tor-signaling-pathway-in-spatial-and-temporal-control-of-cell-size-and-growth
#9
REVIEW
Suam Gonzalez, Charalampos Rallis
Cell size is amenable by genetic and environmental factors. The highly conserved nutrient-responsive Target of Rapamycin (TOR) signaling pathway regulates cellular metabolic status and growth in response to numerous inputs. Timing and duration of TOR pathway activity is pivotal for both cell mass built up as well as cell cycle progression and is controlled and fine-tuned by the abundance and quality of nutrients, hormonal signals, growth factors, stress, and oxygen. TOR kinases function within two functionally and structurally discrete multiprotein complexes, TORC1 and TORC2, that are implicated in temporal and spatial control of cell size and growth respectively; however, recent data indicate that such functional distinctions are much more complex...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28637643/cancer-and-the-limits-of-longevity
#10
EDITORIAL
Marie Louise Tørring
No abstract text is available yet for this article.
June 21, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28637279/high-dimensional-multivariate-mediation-with-application-to-neuroimaging-data
#11
Oliver Y Chén, Ciprian Crainiceanu, Elizabeth L Ogburn, Brian S Caffo, Tor D Wager, Martin A Lindquist
Mediation analysis is an important tool in the behavioral sciences for investigating the role of intermediate variables that lie in the path between a treatment and an outcome variable. The influence of the intermediate variable on the outcome is often explored using a linear structural equation model (LSEM), with model coefficients interpreted as possible effects. While there has been significant research on the topic, little work has been done when the intermediate variable (mediator) is a high-dimensional vector...
June 15, 2017: Biostatistics
https://www.readbyqxmd.com/read/28635136/knockdown-of-tor-causing-ovarian-diapause-in-a-genetically-stable-brachypterous-strain-of-nilaparvata-lugens
#12
Fangzhou Liu, Kaiyin Li, Wanlun Cai, Jing Zhao, Yulan Zou, Hongxia Hua
Brown planthopper (BPH), Nilaparvata lugens (Stål) (Hemiptera: Delphacidae), is one of the most damaging pests of rice crops. BPH is a migratory insect with a delayed ovarian development in migrants classified as reproductive diapause. The molecular mechanism of reproductive diapause remains unclear, although we suspect it might be regulated by one or more nutrient signaling pathways. The target of rapamycin (TOR) pathway regulates cell growth in response to nutritional information, which raised a hypothesis that TOR mediates BPH reproductive diapause...
June 20, 2017: Archives of Insect Biochemistry and Physiology
https://www.readbyqxmd.com/read/28632995/microenvironment-and-tumors-a-nurturing-relationship
#13
Nadja Sandra Katheder, Tor Erik Rusten
No abstract text is available yet for this article.
June 20, 2017: Autophagy
https://www.readbyqxmd.com/read/28631732/skillful-prediction-of-northern-climate-provided-by-the-ocean
#14
Marius Årthun, Tor Eldevik, Ellen Viste, Helge Drange, Tore Furevik, Helen L Johnson, Noel S Keenlyside
It is commonly understood that a potential for skillful climate prediction resides in the ocean. It nevertheless remains unresolved to what extent variable ocean heat is imprinted on the atmosphere to realize its predictive potential over land. Here we assess from observations whether anomalous heat in the Gulf Stream's northern extension provides predictability of northwestern European and Arctic climate. We show that variations in ocean temperature in the high latitude North Atlantic and Nordic Seas are reflected in the climate of northwestern Europe and in winter Arctic sea ice extent...
June 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28627046/donor-specific-antibodies-are-associated-with-micro-and-macrovascular-coronary-disease-restrictive-myocardial-damage-and-poor-outcome-in-heart-transplanted-patients
#15
Tor Skibsted Clemmensen, Pernille Koefoed-Nielsen, Lis-Ann Jensen, Steen Hvitfeldt Poulsen, Niels Ramsing Holm, Brian Bridal Løgstrup, Evald Høj Christiansen, Jouke Dijkstra, Kamilla Pernille Bjerre Valen, Hans Eiskjaer
AIMS: We examined the relationship between donor-specific HLA antibody (DSA) presence and graft function, hemodynamics, cardiac allograft vasculopathy (CAV), and major adverse cardiac events (MACE) in stable long-term heart-transplanted (HTx) patients. METHODS: Sera from 79 patients (median 7.5 years after HTx) were analyzed for DSA presence. Graft function was evaluated by echocardiography and right heart catheterization. CAV-burden was determined by coronary angiography, optical coherence tomography (OCT), and coronary flow velocity reserve (CFVR)...
June 19, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28626069/how-many-deaths-from-colorectal-cancer-can-be-prevented-by-2030-a-scenario-based-quantification-of-risk-factor-modification-screening-and-treatment-in-norway
#16
Katrine Damgaard Skyrud, Tor Age Myklebust, Freddie Bray, Morten Tandberg Eriksen, Thomas de Lange, Inger Kristin Larsen, Bjørn Møller
BACKGROUND: Colorectal cancer (CRC) mortality can be reduced through risk factor modification (adherence to lifestyle recommendations), screening, and improved treatment. This study estimated the potential of these three strategies to modify CRC mortality rates in Norway. METHODS: The potential reduction in CRC mortality due to risk factor modification was estimated using the software Prevent, assuming that 50% of the population in Norway-who do not adhere to the various recommendations concerning prevention of smoking, physical activity, body weight, and intake of alcohol, red/processed meat, and fiber-started to follow the recommendations...
June 16, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28625872/decreased-enteritis-resistance-ability-by-dietary-low-or-excess-levels-of%C3%A2-lipids-through-impairing-the-intestinal-physical-and-immune-barriers-function-of-young-grass-carp-ctenopharyngodon-idella
#17
Lin Feng, Pei-Jun Ni, Wei-Dan Jiang, Pei Wu, Yang Liu, Jun Jiang, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Xu Tang, He-Qun Shi, Xiao-Qiu Zhou
The current study explores the hypothesis that low or excess levels of lipids decrease the enteritis resistance ability through impairing the intestinal physical and immune barrier function of young grass carp (Ctenopharyngodon idella). A total of 540 young grass carp with an average initial weight of 261.41 ± 0.53 g were fed diets containing six graded levels of lipids at 5.9, 21.4, 36.0, 50.2, 66.6 and 80.1 g/kg for 8 weeks. After that, a challenge trial was conducted by injection of Aeromonas hydrophila over 2 weeks...
June 16, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28625543/characterization-of-vibrio-cholerae-o1-strains-that-trace-the-origin-of-haitian-like-genetic-traits
#18
Priyanka Ghosh, Dhirendra Kumar, Goutam Chowdhury, Puneeta Singh, Prosenjit Samanta, Shanta Dutta, T Ramamurthy, N C Sharma, Preety Sinha, Yogendra Prasad, Sumio Shinoda, Asish K Mukhopadhyay
Vibrio cholerae O1 is the etiological agent of the severe diarrheal disease cholera. The bacterium has recently been causing outbreaks in Haiti with catastrophic effects. Numerous mutations have been reported in V. cholerae O1 strains associated with the Haitian outbreak. These mutations encompass among other the genes encoding virulence factors such as the pilin subunit of the toxin-co-regulated pilus (tcpA), cholera toxin B subunit (ctxB), repeat in toxins (rtxA), and other genes such as the quinolone resistance-determining region (QRDR) of gyrase A (gyrA), rstB of RS element along with the alteration in the number of repeat sequences at the promoter region of ctxAB...
June 15, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28625010/treatment-of-tongue-base-masses-in-children-by-transoral-robotic-surgery
#19
Fatma Tulin Kayhan, Ayse Pelin Yigider, Arzu Karaman Koc, Kamil Hakan Kaya, Ibrahim Erdim
The feasibility and effectiveness of transoral robotic surgery (TORS) in children with tongue base masses (TBMs) were evaluated. Eight pediatric patients who were treated with TORS for TBMs between January 2010 and January 2016 at a tertiary hospital included in the study. All pathologies were congenital lesions: four were lingual thyroglossal ductus cysts (LTGDCs), one was a minor salivary gland tumor, one was a vallecular cyst, one was a bronchogenic cyst, and one was an ectopic thyroid tissue. TORS was performed successfully in all cases...
June 17, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28622885/the-impact-of-prophylactic-external-carotid-artery-ligation-on-postoperative-bleeding-after-transoral-robotic-surgery-tors-for-oropharyngeal-squamous-cell-carcinoma
#20
John Gleysteen, Scott Troob, Tyler Light, Daniel Brickman, Daniel Clayburgh, Peter Andersen, Neil Gross
BACKGROUND: Transoral robotic-assisted surgery (TORS) is increasingly utilized in the treatment of oropharyngeal squamous cell carcinoma (OPSCC). Postoperative bleeding is a significant and potentially fatal complication of TORS. Prophylactic ligation of ipsilateral external carotid artery (ECA) branches is a recognized strategy to reduce postoperative bleeding risk. We examined the incidence and sequelae of postoperative oropharyngeal bleeding with and without routine ECA ligation. METHODS: OPSCC patients treated with TORS between 2010 and 2015 with minimum 30days follow up were included...
July 2017: Oral Oncology
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