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https://www.readbyqxmd.com/read/29791453/the-association-between-food-insecurity-and-incident-type-2-diabetes-in-canada-a-population-based-cohort-study
#1
Christopher A Tait, Mary R L'Abbé, Peter M Smith, Laura C Rosella
BACKGROUND: A pervasive and persistent finding is the health disadvantage experienced by those in food insecure households. While clear associations have been identified between food insecurity and diabetes risk factors, less is known about the relationship between food insecurity and incident type 2 diabetes. The objective of this study is to investigate the association between household food insecurity and the future development of type 2 diabetes. METHODS: We used data from Ontario adult respondents to the 2004 Canadian Community Health Survey, linked to health administrative data (n = 4,739)...
2018: PloS One
https://www.readbyqxmd.com/read/29790585/the-intracellular-nucleotide-binding-leucine-rich-repeat-receptor-slnrc4a-enhances-immune-signaling-elicited-by-extracellular-perception
#2
Meirav Leibman-Markus, Lorena Pizarro, Silvia Schuster, Z J Daniel Lin, Ofir Gershony, Maya Bar, Gitta Coaker, Adi Avni
Plant recognition and defense against pathogens employs a two-tiered perception system. Surface localized pattern recognition receptors (PRRs) act to recognize microbial features, while intracellular nucleotide binding leucine-rich repeat receptors (NLRs) directly or indirectly recognize pathogen effectors inside host cells. Employing the tomato PRR LeEIX2/EIX model system, we explored the molecular mechanism of signaling pathways. We identified an NLR that can associate with LeEIX2, termed SlNRC4a (NB-LRR Required for HR-associated Cell death-4)...
May 23, 2018: Plant, Cell & Environment
https://www.readbyqxmd.com/read/29790114/ivabradine-improved-left-ventricular-function-and-pressure-overload-induced-cardiomyocyte-apoptosis-in-a-transverse-aortic-constriction-mouse-model
#3
Yihui Yu, Zuoying Hu, Bing Li, Zhimei Wang, Shaoliang Chen
This study aimed to investigate the effects and molecular mechanisms of ivabradine in preventing cardiac hypertrophy in an established transverse aortic constriction (TAC) mouse model. A total of 56 male C57BL/6 mice were randomly assigned into the following seven groups (8 mice per group): sham, TAC model, Iva-10 (10 mg/kg/day ivabradine), Iva-20 (20 mg/kg/day ivabradine), Iva-40 (40 mg/kg/day ivabradine), Iva-80 (80 mg/kg/day ivabradine), and Rap (rapamycin, a positive control). Echocardiography and left ventricular hemodynamics were performed...
May 22, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29785016/solid-papillary-carcinoma-with-reverse-polarity-of-the-breast-harbors-specific-morphologic-immunohistochemical-and-molecular-profile-in-comparison-with-other-benign-or-malignant-papillary-lesions-of-the-breast-a-comparative-study-of-9-additional-cases
#4
Nadjla Alsadoun, Gaëtan MacGrogan, Caroline Truntzer, Magali Lacroix-Triki, Isabelle Bedgedjian, Marie-Hélène Koeb, Elsy El Alam, Dan Medioni, Michel Parent, Pascal Wuithier, Isabelle Robert, Romain Boidot, Laurent Arnould
Solid papillary carcinoma with reverse polarity is a rare breast cancer of favorable prognosis that can be difficult to diagnose. We report here nine additional cases of this tumor, and we describe its morphologic, immunohistochemical and molecular profile in comparison to other types of papillary and micropapillary lesions of the breast that are intraductal papilloma with usual ductal hyperplasia, encapsulated papillary carcinoma, solid papillary carcinoma and invasive micropapillary carcinoma. We studied nine cases of this special papillary tumor and six of each other types mentioned above...
May 21, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29784639/tyrosine-kinase-inhibitor-induced-defects-in-dna-repair-sensitize-flt3-itd-positive-leukemia-cells-to-parp1-inhibitors
#5
Silvia Maifrede, Margaret Nieborowska-Skorska, Katherine Sullivan, Yashodhara Dasgupta, Paulina Podszywalow-Bartnicka, Bac Viet Le, Martyna Solecka, Zhaorui Lian, Elizaveta A Belyaeva, Alina Nersesyan, Marcin M Machnicki, Monika Toma, Nicolas Chatain, Malgorzata Rydzanicz, Huaqing Zhao, Jaroslav Jelinek, Katarzyna Piwocka, Tomasz Sliwinski, Tomasz Stoklosa, Rafal Ploski, Thomas Fischer, Stephen M Sykes, Steffen Koschmieder, Lars Bullinger, Peter Valent, Mariusz Wasik, Jian Huang, Tomasz Skorski
Mutations in the FMS-like tyrosine-kinase 3 (FLT3) such as internal tandem duplications (ITD) can be found in up to 23% of patients with acute myeloid leukemia (AML) and confer a poor prognosis. Current treatment options for FLT3(ITD)-positive AMLs include genotoxic therapy and FLT3 inhibitors (FLT3i), which are rarely curative. PARP1 inhibitors (PARP1i) have been successfully applied to induce synthetic lethality in tumors harboring BRCA1/2 mutations and displaying homologous recombination (HR) deficiency...
May 21, 2018: Blood
https://www.readbyqxmd.com/read/29784407/part-1-tracing-russian-vx-to-its-synthetic-routes-by-multivariate-statistics-of-chemical-attribution-signatures
#6
Karin Höjer Holmgren, Carlos A Valdez, Roger Magnusson, Alexander K Vu, Sandra Lindberg, Audrey M Williams, Armando Alcaraz, Crister Åstot, Saphon Hok, Rikard Norlin
Chemical attribution signatures (CAS) associated with different synthetic routes used for the production of Russian VX (VR) were identified. The goal of the study was to retrospectively determine the production method employed for an unknown VR sample. Six different production methods were evaluated, carefully chosen to include established synthetic routes used in the past for large scale production of the agent, routes involving general phosphorus-sulfur chemistry pathways leading to the agent, and routes whose main characteristic is their innate simplicity in execution...
August 15, 2018: Talanta
https://www.readbyqxmd.com/read/29781401/screening-of-prognostic-risk-micrornas-for-acute-myeloid-leukemia
#7
Hai-Yan Gao, Wei Wang, Xin-Guo Luo, Yong-Fang Jiang, Xin He, Ping Xu, Xi Chen, Xiao-Yun Li
OBJECTIVES: This study aimed to investigate the risk miRNAs (microRNAs) for AML (acute myeloid leukemia) prognosis and related regulatory mechanisms. METHODS: MiRNA and gene expression data, as well as clinical data of 176 patients were first downloaded from TCGA. Then miRNAs and genes significantly affecting the survival time based on KM survival curve were identified using Log Rank test. Next, COX proportional-hazard regression analysis was performed to screen the risk miRNAs (P-value < 0...
May 19, 2018: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/29776333/transcriptomic-analysis-of-genes-in-soybean-in-response-to-peronospora-manshurica-infection
#8
Hang Dong, Shuangfeng Shi, Chong Zhang, Sihui Zhu, Mei Li, Jie Tan, Yue Yu, Liping Lin, Shirong Jia, Xujing Wang, Yuanhua Wu, Yuhui Liu
BACKGROUND: Soybean downy mildew (SDM), caused by Peronospora manshurica (Pm), is a major fungal disease in soybean. To date, little is known regarding the defense mechanism at molecular level and how soybean plants response to Pm infection. In this study, differential gene expression in SDM-resistant (HR) and SDM-susceptible (HS) genotype was analyzed by RNA-seq to identify differentially expressed genes (DEGs) following Pm infection. RESULTS: Of a total of 55,017 genes mapped to the soybean reference genome sequences, 2581 DEGs were identified...
May 18, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29774090/strong-sod2-expression-and-hpv-16-18-positivity-are-independent-events-in-cervical-cancer
#9
Silvia Helena Rabelo-Santos, Lara Termini, Enrique Boccardo, Sophie Derchain, Adhemar Longatto-Filho, Maria Antonieta Andreoli, Maria Cecília Costa, Rafaella Almeida Lima Nunes, Liliana Aparecida Lucci Ângelo-Andrade, Luisa Lina Villa, Luiz Carlos Zeferino
It is well known that persistent infection with high-risk HPV (hr-HPV), mostly HPV-16 and 18, is the main cause of cervical cancer development. Manganese superoxide dismutase (MnSOD or SOD2) are highly expressed in different neoplasia. The present study investigated SOD2 protein expression and the presence of hr-HPV types in 297 cervical samples including non-neoplastic tissue, cervical intraepithelial neoplasia grade 3 (CIN3), squamous cell carcinoma (SCC) and adenocarcinoma (ADC). Strong SOD2 expression was significantly higher in ADC (82%) than CIN3 (52%) or SCC (64%)...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29772457/in-vitro-and-in-vivo-metabolic-investigation-of-the-palbociclib-by-uhplc-q-tof-ms-ms-and-in-silico-toxicity-studies-of-its-metabolites
#10
Balasaheb B Chavan, Shristy Tiwari, Shankar G, Rakesh D Nimbalkar, Prabha Garg, Srinivas R, M V N Kumar Talluri
Palbociclib (PAB) is a CDK4/6 inhibitor and U. S Food and Drug Administration (FDA) granted regular approval for the treatment of hormone receptor (HR) positive, metastatic breast cancer in combination with an aromatase inhibitor in postmenopausal women. Metabolite identification is a crucial aspect during drug discovery and development as the drug metabolites may be pharmacologically active or possess toxicological activity. As there are no reports on the metabolism studies of the PAB, the present study focused on investigation of the in vitro and in vivo metabolic fate of the drug...
May 14, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29771208/healthcare-managers-perceptions-of-managing-poor-performance
#11
Melanie Hill, Heather Gluyas, Martinique Sandy, Andrew Wingate
Purpose The purpose of this paper is to understand the perceptions and experiences of healthcare managers working within a community and ambulatory health service who manage poorly performing staff and, to identify the supports, and gaps in supports, that are available to these managers. Design/methodology/approach Data were collected via two focus groups using a semi-structured schedule. The data were transcribed, themed and conclusions summarised. Findings On analysis of the discussion of the line managers' experiences and perceptions of competence, six themes were identified, five themes common to both groups...
May 21, 2018: Journal of Health Organization and Management
https://www.readbyqxmd.com/read/29770864/agrobacterium-mediated-transformation-of-yeast-and-fungi
#12
Paul J J Hooykaas, G Paul H van Heusden, Xiaolei Niu, M Reza Roushan, Jalal Soltani, Xiaorong Zhang, Bert J van der Zaal
Two decades ago, it was discovered that the well-known plant vector Agrobacterium tumefaciens can also transform yeasts and fungi when these microorganisms are co-cultivated on a solid substrate in the presence of a phenolic inducer such as acetosyringone. It is important that the medium has a low pH (5-6) and that the temperature is kept at room temperature (20-25 °C) during co-cultivation. Nowadays, Agrobacterium-mediated transformation (AMT) is the method of choice for the transformation of many fungal species; as the method is simple, the transformation efficiencies are much higher than with other methods, and AMT leads to single-copy integration much more frequently than do other methods...
May 17, 2018: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/29768946/neuroprotective-role-of-astroglia-in-parkinson-disease-by-reducing-oxidative-stress-through-dopamine-induced-activation-of-pentose-phosphate-pathway
#13
Kyoko Mashima, Shinichi Takahashi, Kazushi Minami, Yoshikane Izawa, Takato Abe, Naoki Tsukada, Takako Hishiki, Makoto Suematsu, Mayumi Kajimura, Norihiro Suzuki
Oxidative stress plays an important role in the onset and progression of Parkinson disease. Although released dopamine at the synaptic terminal is mostly reabsorbed by dopaminergic neurons, some dopamine is presumably taken up by astroglia. This study examined the dopamine-induced astroglial protective function through the activation of the pentose-phosphate pathway (PPP) to reduce reactive oxygen species (ROS). In vitro experiments were performed using striatal neurons and cortical or striatal astroglia prepared from Sprague-Dawley rats or C57BL/6 mice...
January 2018: ASN Neuro
https://www.readbyqxmd.com/read/29767969/single-molecule-imaging-reveals-conformational-manipulation-of-holliday-junction-dna-by-the-junction-processing-protein-ruva
#14
Dalton Gibbs, Soma Dhakal
Interactions between DNA and motor proteins regulate nearly all biological functions of DNA such as gene expression, DNA replication and repair, and transcription. During the late stages of homologous recombination (HR), the Escherichia coli recombination machinery, RuvABC, resolves the four-way DNA motifs called Holliday junctions (HJs) that are formed during exchange of nucleotide sequences between two homologous duplex DNA. Although the formation of RuvA-HJ complex is known to be the first critical step in the RuvABC pathway, the mechanism for the binding interaction between RuvA and HJ has remained elusive...
May 16, 2018: Biochemistry
https://www.readbyqxmd.com/read/29766219/association-study-of-genetic-variants-in-estrogen-metabolic-pathway-genes-and-colorectal-cancer-risk-and-survival
#15
Shuwei Li, Lisheng Xie, Mulong Du, Kaili Xu, Lingjun Zhu, Haiyan Chu, Jinfei Chen, Meilin Wang, Zhengdong Zhang, Dongying Gu
Although studies have investigated the association of genetic variants and the abnormal expression of estrogen-related genes with colorectal cancer risk, the evidence remains inconsistent. We clarified the relationship of genetic variants in estrogen metabolic pathway genes with colorectal cancer risk and survival. A case-control study was performed to assess the association of single-nucleotide polymorphisms (SNPs) in ten candidate genes with colorectal cancer risk in a Chinese population. A logistic regression model and Cox regression model were used to calculate SNP effects on colorectal cancer susceptibility and survival, respectively...
May 16, 2018: Archives of Toxicology
https://www.readbyqxmd.com/read/29765249/is-progression-free-survival-a-more-relevant-endpoint-than-overall-survival-in-first-line-hr-her2-metastatic-breast-cancer
#16
Anna Forsythe, David Chandiwana, Janina Barth, Marroon Thabane, Johan Baeck, Anastasiya Shor, Gabriel Tremblay
Background: Hormone receptor-positive (HR+), human epidermal growth factor receptor 2-negative (HER2-), metastatic breast cancer (MBC) accounts for 73% of all MBCs. Endocrine therapy (ET) is the basis of first-line (1L) therapy for patients with HR+/HER2- MBC. Novel therapies have demonstrated improvements in progression-free survival (PFS) compared to ET. The clinical relevance of PFS is being debated, as there is no proven direct correlation with overall survival (OS) benefit to date...
2018: Cancer Management and Research
https://www.readbyqxmd.com/read/29764856/-tp53-stk11-and-egfr-mutations-predict-tumor-immune-profile-and-the-response-to-anti-pd-1-in-lung-adenocarcinoma
#17
Jerome Biton, Audrey Mansuet-Lupo, Nicolas Pécuchet, Marco Alifano, Hanane Ouakrim, Jennifer Arrondeau, Pascaline Boudou-Rouquette, Francois Goldwasser, Karen Leroy, Jeremy Goc, Marie Wislez, Claire Germain, Pierre Laurent-Puig, Marie-Caroline Dieu-Nosjean, Isabelle Cremer, Ronald Herbst, Hélène F Blons, Diane Damotte
PURPOSE: By unlocking anti-tumor immunity, antibodies targeting programmed cell death 1 (PD-1) exhibit impressive clinical results in non-small cell lung cancer, underlining the strong interactions between tumor and immune cells. However, factors that can robustly predict long-lasting responses are still needed. EXPERIMENTAL DESIGN: We performed in depth immune profiling of lung adenocarcinoma using an integrative analysis based on immunohistochemistry, flow-cytometry and transcriptomic data...
May 15, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29763933/the-calcium-sensing-receptor-gene-polymorphism-rs1801725-and-calcium-related-phenotypes-in-hemodialysis-patients
#18
Alicja E Grzegorzewska, Dariusz Bednarski, Monika Świderska, Adrianna Mostowska, Paweł P Jagodziński
BACKGROUND/AIMS: The calcium-sensing receptor gene (CASR) rs1801725 variant is responsible for a non-conservative amino-acid change (A986S) in the calcium-sensing receptor cytoplasmic tail. We hypothesized that rs1801725 polymorphism might be helpful in understanding Ca-related abnormalities in HD patients. METHODS: In 1215 subjects (245 on cinacalcet), we determined the associations of rs1801725 with secondary hyperparathyroidism (sHPT)-related laboratory parameters, PTH-decreasing effect of cinacalcet hydrochloride, coronary artery disease (CAD), myocardial infarction (MI), nephrolithiasis-related ESRD, and mortality...
May 10, 2018: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29762458/association-between-duration-of-delayed-graft-function-acute-rejection-and-allograft-outcome-after-deceased-donor-kidney-transplantation
#19
Wai H Lim, David W Johnson, Armando Teixeira-Pinto, Germaine Wong
BACKGROUND: Prolonged duration of delayed graft function (DGF) may be associated with adverse allograft outcomes, but the association between threshold duration of DGF, acute rejection and long-term allograft loss remains undefined. We aimed to determine the impact of DGF duration on allograft outcomes and to assess whether this association was mediated by acute rejection. METHODS: Using data from the Australian and New Zealand Dialysis and Transplant (ANZDATA) registry, Cox proportional modelling was used to determine the association between quartiles of DGF duration, acute rejection at 6 months and death-censored graft loss (DCGL)...
May 14, 2018: Transplantation
https://www.readbyqxmd.com/read/29761935/the-application-of-transcriptional-benchmark-dose-modeling-for-deriving-thresholds-of-effects-associated-with-solar-simulated-ultraviolet-radiation-exposure
#20
Sami S Qutob, Vinita Chauhan, Byron Kuo, Andrew Williams, Carole L Yauk, James P McNamee, B Gollapudi
Considerable data has been generated to elucidate the transcriptional response of cells to ultraviolet radiation (UVR) exposure providing a mechanistic understanding of UVR-induced cellular responses. However, using these data to support standards development has been challenging. In this study, we apply benchmark dose (BMD) modeling of transcriptional data to derive thresholds of gene responsiveness following exposure to solar-simulated UVR. Human epidermal keratinocytes were exposed to three doses (10, 20, 150 kJ/m2 ) of solar simulated UVR and assessed for gene expression changes 6 and 24 hr postexposure...
May 15, 2018: Environmental and Molecular Mutagenesis
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