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https://www.readbyqxmd.com/read/28088787/hint2-downregulation-promotes-colorectal-carcinoma-migration-and-metastasis
#1
Weihua Li, Shaoxin Cai, Le Wang, Changshun Yang, Biaohuan Zhou, Huan Wang
Histidine triad nucleotide-binding 2 (HINT2), a member of the histidine triad proteins family, sensitizes cells to apoptosis in hepatocellular carcinoma. Here, we showed that HINT2 expression is lower in primary colorectal cancer (CRC) and metastasis tissues than in normal colorectal tissues, and that HINT2 abundance is inversely correlated with CRC tumor stage. Treating CRC cells with 5-aza-2'-deoxycytidine, a demethylating agent, upregulated HINT2, suggesting HINT2 downregulation is caused by methylation of the gene promoter...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088742/patterns-of-drug-use-and-hiv-infection-among-adults-in-a-nationally-representative-sample
#2
Stephanie Shiau, Stephen M Arpadi, Michael T Yin, Silvia S Martins
BACKGROUND: Little is known about drug use patterns among people living with HIV in comparison to an uninfected group in the general population. The aim of this study was to investigate the association between legal and illegal drug use and HIV infection in a nationally representative sample of adults in the United States. METHODS: Public use data files (2005-2014) from the National Survey on Drug Use and Health (NSDUH) were used. Respondents were asked whether a medical professional had ever told them that they had HIV/AIDS...
January 7, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28088680/the-influence-of-patient-caregiver-and-family-factors-on-symptoms-of-anxiety-and-depression-in-children-and-adolescents-with-intractable-epilepsy
#3
Klajdi Puka, Elysa Widjaja, Mary Lou Smith
OBJECTIVE: The objective was to evaluate the association of caregiver and family factors with symptoms of anxiety and depression in children and adolescents with medically refractory localization-related epilepsy (i.e., failed at least two epilepsy medications). METHOD: Forty-four children (ages 6-11years) and 65 adolescents (ages 12-18years) and their parents participated in this multicentered, observational, cross-sectional study. Univariable and multivariable linear regressions were used to evaluate the influence of multiple patient, caregiver, and family characteristics on self-reported symptoms of anxiety and depression in the children and adolescents...
January 12, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28088615/cloning-heterologous-expression-and-biochemical-characterization-of-a-non-specific-endoglucanase-family-12-from-aspergillus-terreus-nih2624
#4
Fernando Segato, Bruno Dias, Gabriela L Berto, Dyoni M de Oliveira, Flávio H M De Souza, Matheus Augusto R N da Silva, Ana Paula Citadini, Mario T Murakami, André R L Damásio, Fábio Márcio Squina, Igor Polikarpov
The cellulases from Glycoside Hydrolyses family 12 (GH12) play an important role in cellulose degradation and plant cell wall deconstruction being widely used in a number of bioindustrial processes. Aiming to contribute toward better comprehension of these class of the enzymes, here we describe a high-yield secretion of a endoglucanase GH12 from Aspegillus terreus (AtGH12), which was cloned and expressed in Aspergillus nidulans strain A773. The purified protein was used for complete biochemical and functional characterization...
January 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28088608/gene-analysis-of-six-cases-of-congenital-protein-s-deficiency-and-functional-analysis-of-protein-s-mutations-a139v-c449f-r451q-c475f-a525v-and-d599tfster13
#5
Fumina Taniguchi, Eriko Morishita, Akiko Sekiya, Haruka Nomoto, Shiori Katsu, Shounosuke Kaneko, Hidesaku Asakura, Shigeki Ohtake
Congenital deficiency of protein S (PS), an anticoagulant factor, leads to venous thrombosis, with onset predominantly beginning in adolescence. In the present study, gene analysis of six unrelated Japanese families diagnosed with congenital PS deficiency identified five missense mutations in the PROS1 gene - c.757C>T (Ala139Val; A139V), c.1346 G>T (Cys449Phe; C449F), c.1352G>A (Arg451Gln; R451Q), c.1424G>T (Cys475Phe; C475F) and c.1574C>T (Ala525Val; A525V) - and one frameshift mutation, c.2135delA (Asp599ThrfsTer13; D599TfsTer13)...
December 24, 2016: Thrombosis Research
https://www.readbyqxmd.com/read/28088583/environmental-carcinogenesis-and-ph-homeostasis-not-only-a-matter-of-dysregulated-metabolism
#6
REVIEW
Kévin Hardonniere, Laurence Huc, Odile Sergent, Jørn A Holme, Dominique Lagadic-Gossmann
According to the World Health Organization, around 20% of all cancers would be due to environmental factors. Among these factors, several chemicals are indeed well recognized carcinogens. The widespread contaminant benzo[a]pyrene (B[a]P), an often used model carcinogen of the polycyclic aromatic hydrocarbons' family, has been suggested to target most, if not all, cancer hallmarks described by Hanahan and Weinberg. It is classified as a group I carcinogen by the International Agency for Research on Cancer; however, the precise intracellular mechanisms underlying its carcinogenic properties remain yet to be thoroughly defined...
January 11, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28088579/the-microrna-449-family-inhibits-tgf-%C3%AE-mediated-liver-cancer-cell-migration-by-targeting-sox4
#7
Maria Sandbothe, Reena Buurman, Nicole Reich, Luisa Greiwe, Beate Vajen, Engin Gürlevik, Vera Schäffer, Marlies Eilers, Florian Kühnel, Alejandro Vaquero, Thomas Longerich, Stephanie Roessler, Peter Schirmacher, Michael P Manns, Thomas Illig, Brigitte Schlegelberger, Britta Skawran
BACKGROUND & AIMS: Modulation of microRNA expression is considered for treatment of hepatocellular carcinoma (HCC). Therefore, we characterized the epigenetically regulated microRNA-449 family (miR-449a, miR-449b, miR-449c) with regards to its functional effects and target genes in HCC. METHODS: After transfection of miR-449a, miR-449b, and/or miR-449c, tumor-relevant functional effects were analyzed using in vitro assays and a xenograft mouse model. Binding specificities, target genes, and regulated pathways of each microRNA were identified by microarray analyses...
January 11, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28088541/secretory-pathway-optimization-of-cho-producer-cells-by-co-engineering-of-the-mitosrna-1978-target-genes-cers2-and-tbc1d20
#8
Lisa A Pieper, Michaela Strotbek, Till Wenger, Martin Gamer, Monilola A Olayioye, Angelika Hausser
Chinese Hamster Ovary (CHO) cells are the most commonly used host for the production of biopharmaceuticals. Although transcription and translation engineering strategies have been employed to generate high-producer cell clones, the secretory pathway still remains a bottleneck in cellular productivity. In this study we show that ectopic expression of a human mitochondrial genome-encoded small RNA (mitosRNA-1978) in an IgG expressing CHO cell line strongly improved specific productivity by functioning in a microRNA-like fashion...
January 11, 2017: Metabolic Engineering
https://www.readbyqxmd.com/read/28088518/s100a8-protein-attenuates-airway-hyperresponsiveness-by-suppressing-the-contraction-of-airway-smooth-muscle
#9
Yu-Dong Xu, Yu Wang, Lei-Miao Yin, Gyoung-Hee Park, Luis Ulloa, Yong-Qing Yang
Airway hyperresponsiveness (AHR) is a major clinical problem in allergic asthma mainly caused by the hypercontractility of airway smooth muscles (ASM). S100A8 is an important member of the S100 calcium-binding protein family with a potential to regulate cell contractility. Here, we analyze the potential of S100A8 to regulate allergen-induced AHR and ASM contraction. Treatment with recombinant S100A8 (rS100A8) diminished airway hyperresponsiveness in OVA-sensitized rats. ASM contraction assays showed that rS100A8 reduced hypercontractility in both isolated tracheal rings and primary ASM cells treated by acetylcholine...
January 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28088515/the-membrane-tethered-nac-transcription-factor-atntl7-contributes-to-er-stress-resistance-in-arabidopsis
#10
Yong Hun Chi, Sarah Mae Boyles Melencion, Cresilda Vergara Alinapon, Min Ji Kim, Eun Seon Lee, Seol Ki Paeng, Joung Hun Park, Ganesh M Nawkar, Young Jun Jung, Ho Byeong Chae, Chang Ho Kang, Sang Yeol Lee
We screened for endoplasmic reticulum (ER) stress-resistant mutants among 25 mutants of the Arabidopsis NTL (NAC with Transmembrane motif 1-Like) family. We identified a novel mutant, SALK_044777, showing strong resistance to ER stress. RT-PCR and genomic DNA sequence analyses identified the mutant as atntl7, which harbors a T-DNA insertion in the fourth exon of AtNTL7. Two other atntl7-mutant alleles, in which T-DNA was inserted in the second exon and third intron of AtNTL7, respectively, showed ER-stress sensitive phenotypes, suggesting that SALK_044777 is a gain-of-function mutant...
January 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28088514/assessing-the-feasibility-acceptability-and-potential-effectiveness-of-an-integrated-approach-to-smoking-cessation-for-new-and-expectant-fathers-the-dads-in-gear-study-protocol
#11
Joan L Bottorff, John L Oliffe, Gayl Sarbit, Cristina Caperchione, Marianne Clark, Anima Anand, Kym Howay
BACKGROUND: Evidence related to the effects of tobacco exposure in pregnancy and on infant and child health have focused on women's smoking cessation. Less often addressed is men's smoking, which when continued in fatherhood, reduces the chances of female partners' cessation and can negatively impact children's health as well as men's health. Dads in Gear (DIG) is an innovative program designed specifically for new fathers who want to reduce and quit smoking that includes three components: smoking cessation, fathering, and physical activity...
January 11, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28088503/evidence-for-splice-transcript-variants-of-tmem165-a-gene-involved-in-cdg
#12
Marie-Ange Krzewinski-Recchi, Sven Potelle, Anne Marie-Mir, Dorothée Vicogne, Eudoxie Dulary, Sandrine Duvet, Willy Morelle, Geoffroy de Bettignies, François Foulquier
BACKGROUND: Defects in TMEM165 gene cause a type-II Congenital Disorder of Glycosylation affecting Golgi glycosylation processes. TMEM165 patients exhibit psychomotor retardation, important osteoporosis, scoliosis, irregular epiphyses and thin bone cortex. Human TMEM165 protein is highly conserved in evolution and belongs to the family of UPF0016 membrane proteins which could be an unique group of Ca(2+)/H(+) antiporters regulating Ca(2+) and pH homeostasis and mainly localized in the Golgi apparatus...
January 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28088497/offering-the-full-range-of-contraceptive-options-a-survey-of-interest-in-vasectomy-training-in-the-us-family-planning-community
#13
Brian T Nguyen, Andrea L Jochim, Grace H Shih
OBJECTIVE: To assess current practices regarding female and male sterilization counseling and provision, as well as determine interest in providing vasectomy among family planning specialists. METHODS: Members of the US-based network of family planning fellowship physicians (current fellows, graduates, and faculty) received a web-based survey from November 2015 through January 2016 regarding current sterilization preferences and practices, as well as interest in obtaining training in vasectomy counseling and procedure...
January 11, 2017: Contraception
https://www.readbyqxmd.com/read/28088479/three-dimensional-structure-of-full-length-ntrx-an-unusual-member-of-the-ntrc-family-of-response-regulators
#14
Ignacio Fernández, Irina Cornaciu, Mariela Del Carmen Carrica, Emiko Uchikawa, Guillaume Hoffmann, Rodrigo Sieira, José Antonio Márquez, Fernando A Goldbaum
Bacteria sense and adapt to environmental changes using two-component systems (TCS). These signaling pathways are formed by a histidine kinase (HK) that phosphorylates a response regulator (RR), which finally modulates the transcription of target genes. The bacterium Brucella abortus codes for a TCS formed by the HK NtrY and the RR NtrX that participates in sensing low oxygen tension and in generating an adaptive response. NtrX is a modular protein with REC, AAA+ and DNA binding domains, an architecture that classifies it among the NtrC subfamily of RRs...
January 11, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28088438/a-snapshot-of-urban-adolescent-women-s-contraceptive-knowledge-at-the-onset-of-a-community-larc-promotion-initiative
#15
K B Greenberg, S C Jenks, N G Piazza, B R Malibiran, C A Aligne
STUDY OBJECTIVE: To contextualize young women's knowledge and attitudes regarding contraception at the outset of an intervention promoting long-acting reversible contraceptives (LARC) for teen pregnancy prevention. DESIGN: and Setting: Our intervention is based on diffusion of innovation theory, and at the outset we were interested in likely early adopters' existing knowledge and attitudes towards contraception. This mixed methods study consists of focus groups within positive youth development programs in Rochester, New York; we discussed young women's knowledge and sources of information for all FDA-approved contraceptive methods...
January 11, 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28088418/laboratory-silo-type-and-inoculation-effects-on-nutritional-composition-fermentation-and-bacterial-and-fungal-communities-of-oat-silage
#16
J J Romero, Y Zhao, M A Balseca-Paredes, F Tiezzi, E Gutierrez-Rodriguez, M S Castillo
The objectives were to evaluate (1) the use of 2 types of experimental silos (S) to characterize whole-crop oat (Avena sativa L.) silage with or without addition of an inoculant (I), and (2) the effect of inoculation on the microbial community structure of oats ensiled using only plastic bucket silos (BKT). From each of 6 sections in a field, oats were harvested, treated (INO) or not (CON) with inoculant, packed into 19-L BKT or vacuum bags (BG), and ensiled for 217 d. The inoculant added contained Lactobacillus buchneri and Pediococcus pentosaceus (4 × 10(5) and 1 × 10(5) cfu/g of fresh oats, respectively)...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28088391/changes-in-the-cerebellar-and-cerebro-cerebellar-circuit-in-type-2-diabetes
#17
Peng Fang, Jie An, Xin Tan, Ling-Li Zeng, Hui Shen, Shijun Qiu, Dewen Hu
Currently, 422 million adults suffer from diabetes worldwide, leading to tremendous disabilities and a great burden to families and society. Functional and structural MRIs have demonstrated that patients with type 2 diabetes mellitus (T2DM) exhibit abnormalities in brain regions in the cerebral cortex. However, the changes of cerebellar anatomical connections in diabetic patients remains unclear. In the current study, diffusion tensor imaging deterministic tractography and statistical analysis were employed to investigate abnormal cerebellar anatomical connections in diabetic patients...
January 11, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28088362/molecular-characterization-of-a-novel-orthomyxovirus-from-rainbow-and-steelhead-trout-oncorhynchus-mykiss
#18
William N Batts, Scott E LaPatra, Ryan Katona, Eric Leis, Terry Fei Fan Ng, Marine S O Brieuc, Rachel B Breyta, Maureen K Purcell, Carla M Conway, Thomas B Waltzek, Eric Delwart, James R Winton
A novel virus, rainbow trout orthomyxovirus (RbtOV), was isolated in 1997 and again in 2000 from commercially-reared rainbow trout (Oncorhynchus mykiss) in Idaho, USA. The virus grew optimally in the CHSE-214 cell line at 15°C producing a diffuse cytopathic effect; however, juvenile rainbow trout exposed to cell culture-grown virus showed no mortality or gross pathology. Electron microscopy of preparations from infected cell cultures revealed the presence of typical orthomyxovirus particles. The complete genome of RbtOV is comprised of eight linear segments of single-stranded, negative-sense RNA having highly conserved 5' and 3'-terminal nucleotide sequences...
January 11, 2017: Virus Research
https://www.readbyqxmd.com/read/28088357/joint-genome-wide-prediction-in-several-populations-accounting-for-randomness-of-genotypes-a-hierarchical-bayes-approach-ii-multivariate-spike-and-slab-priors-for-marker-effects-and-derivation-of-approximate-bayes-and-fractional-bayes-factors-for-the-complete
#19
Carlos Alberto Martínez, Kshitij Khare, Arunava Banerjee, Mauricio A Elzo
This study corresponds to the second part of a companion paper devoted to the development of Bayesian multiple regression models accounting for randomness of genotypes in across population genome-wide prediction. This family of models considers heterogeneous and correlated marker effects and allelic frequencies across populations, and has the ability of considering records from non-genotyped individuals and individuals with missing genotypes in any subset of loci without the need for previous imputation, taking into account uncertainty about imputed genotypes...
January 11, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28088354/uncovering-oxysterol-binding-protein-osbp-as-a-target-of-the-anti-enteroviral-compound-ttp-8307
#20
Lucian Albulescu, Joëlle Bigay, Bishyajit Biswas, Marion Weber-Boyvat, Cristina M Dorobantu, Leen Delang, Hilde M van der Schaar, Young-Sik Jung, Johan Neyts, Vesa M Olkkonen, Frank J M van Kuppeveld, Jeroen R P M Strating
The genus Enterovirus (e.g. poliovirus, coxsackievirus, rhinovirus) of the Picornaviridae family of positive-strand RNA viruses includes many important pathogens linked to a range of acute and chronic diseases for which no approved antiviral therapy is available. Targeting a step in the life cycle that is highly conserved provides an attractive strategy for developing broad-range inhibitors of enterovirus infection. A step that is currently explored as a target for the development of antivirals is the formation of replication organelles, which support replication of the viral genome...
January 11, 2017: Antiviral Research
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