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https://www.readbyqxmd.com/read/28526794/raffinose-induces-biofilm-formation-by-streptococcus-mutans-in-low-concentrations-of-sucrose-by-increasing-production-of-extracellular-dna-and-fructan
#1
Ryo Nagasawa, Tsutomu Sato, Hidenobu Senpuku
Streptococcus mutans is the primary etiological agent of dental caries and causes tooth decay by forming a firmly attached biofilm on tooth surfaces. Biofilm formation is induced by the presence of sucrose, which is a substrate for the synthesis of extracellular polysaccharides, but not in the presence of oligosaccharides. Nonetheless, in this study, we found that raffinose, which is an oligosaccharide with an intestinal regulatory function and antiallergic effect, induced biofilm formation by S. mutans in a mixed culture with sucrose which was at concentrations less than those required to induce biofilm formation directly...
May 19, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28522589/identification-of-cancer-targeted-tropomyosin-inhibitors-and-their-synergy-with-microtubule-drugs
#2
Mark A Currier, Justine R Stehn, Ashleigh Swain, Duo Chen, Jeff Hook, Eleanor Eiffe, Andrew Heaton, David Brown, Brooke Nartker, David W Eaves, Nina Kloss, Herbert Treutlein, Jun Zeng, Irina B Alieva, Vera B Dugina, Edna C Hardeman, Peter W Gunning, Timothy P Cripe
Actin filaments, with their associated tropomyosin polymers, and microtubules are dynamic cytoskeletal systems regulating numerous cell functions. While anti-microtubule drugs are well-established, anti-actin drugs have been more elusive. We previously targeted actin in cancer cells by inhibiting the function of a tropomyosin isoform enriched in cancer cells, Tpm3.1, using a first-in-class compound, TR100. Here, we screened over 200 other anti-tropomyosin analogues for anti-cancer and on-target activity using a series of in vitro cell-based and biochemical assays...
May 18, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28522234/tjalma-syndrome-pseudo-pseudo-meigs-as-initial-manifestation-of-juvenile-onset-systemic-lupus-erythematosus
#3
Alfonso Ragnar Torres Jiménez, Eunice Solís-Vallejo, Adriana Ivonne Céspedes-Cruz, Maritza Zeferino Cruz, Edna Zoraida Rojas-Curiel, Berenice Sánchez-Jara
Tjalma syndrome or pseudo-pseudo Meigs' syndrome is a clinical condition characterized by pleural effusion, ascites and elevated CA-125 with no associated benign or malignant ovarian tumor in a patient with systemic lupus erythematosus (SLE). Tjalma described the first case of a patient with SLE, pleural effusion, ascites and elevated CA-125. We report the first case in a 14-year old patient who presented with ascites and pleural effusion refractory to treatment and elevated CA-125, in the absence of an ovarian tumor, that warranted aggressive management...
May 15, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/28520733/environmental-dna-method-for-estimating-salamander-distribution-in-headwater-streams-and-a-comparison-of-water-sampling-methods
#4
Izumi Katano, Ken Harada, Hideyuki Doi, Rio Souma, Toshifumi Minamoto
Environmental DNA (eDNA) has recently been used for detecting the distribution of macroorganisms in various aquatic habitats. In this study, we applied an eDNA method to estimate the distribution of the Japanese clawed salamander, Onychodactylus japonicus, in headwater streams. Additionally, we compared the detection of eDNA and hand-capturing methods used for determining the distribution of O. japonicus. For eDNA detection, we designed a qPCR primer/probe set for O. japonicus using the 12S rRNA region. We detected the eDNA of O...
2017: PloS One
https://www.readbyqxmd.com/read/28516082/multifocal-recurrent-osteomyelitis-and-hemophagocytic-lymphohistiocytosis-in-a-boy-with-partial-dominant-ifn-%C3%AE-r1-deficiency-case-report-and-review-of-the-literature
#5
Aidé Tamara Staines-Boone, Caroline Deswarte, Edna Venegas Montoya, Luz María Sánchez-Sánchez, Jorge Alberto García Campos, Teodoro Muñiz-Ronquillo, Jacinta Bustamante, Francisco J Espinosa-Rosales, Saul Oswaldo Lugo Reyes
Mutations in the genes coding for cytokines, receptors, second messengers, and transcription factors of interferon gamma (IFN-γ) immunity cause Mendelian susceptibility to mycobacterial disease (MSMD). We report the case of a 7-year-old male patient with partial dominant (PD) IFN-γ receptor 1 deficiency who had suffered from multifocal osteomyelitis attributable to bacille Calmette-Guérin vaccination since the age of 18 months. He developed hemophagocytic lymphohistiocytosis (HLH), a hyper-inflammatory complication, and died with multiorgan dysfunction, despite having been diagnosed and treated relatively early...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28508745/natural-leishmania-viannia-infections-of-phlebotomines-diptera-psychodidae-indicate-classical-and-alternative-transmission-cycles-of-american-cutaneous-leishmaniasis-in-the-guiana-shield-brazil
#6
Adelson Alcimar Almeida de Souza, Iorlando da Rocha Barata, Maria das Graças Soares Silva, José Aprígio Nunes Lima, Yara Lúcia Lins Jennings, Edna Aoba Yassui Ishikawa, Ghislaine Prévot, Marine Ginouves, Fernando Tobias Silveira, Jeffrey Shaw, Thiago Vasconcelos Dos Santos
From 1996 to 1999 multi-trapping methods (Center of Diseases Control, CDC) light traps, light-baited Shannon traps, and aspiration on tree bases) were used to study the phlebotomine fauna of the "Serra do Navio" region of the Brazilian State of Amapá, which is part of the Guiana Shield. Fifty-three species were identified among 8,685 captured individuals. The following species, associated with the transmission of American cutaneous leishmaniasis in Amazonian Brazil, were captured: Nyssomyia umbratilis (3,388), Psychodopygus squamiventris maripaensis (995), Ny...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28505200/using-edna-to-detect-the-distribution-and-density-of-invasive-crayfish-in-the-honghe-hani-rice-terrace-world-heritage-site
#7
Wang Cai, Zhuxin Ma, Chunyan Yang, Lin Wang, Wenzhi Wang, Guigang Zhao, Yupeng Geng, Douglas W Yu
The Honghe-Hani landscape in China is a UNESCO World Natural Heritage site due to the beauty of its thousands of rice terraces, but these structures are in danger from the invasive crayfish Procambarus clarkii. Crayfish dig nest holes, which collapse terrace walls and destroy rice production. Under the current control strategy, farmers self-report crayfish and are issued pesticide, but this strategy is not expected to eradicate the crayfish nor to prevent their spread since farmers are not able to detect small numbers of crayfish...
2017: PloS One
https://www.readbyqxmd.com/read/28493180/erratum-to-the-molecular-basis-of-evolution-and-disease-a-cold-war-alliance
#8
Edna Suárez-Díaz
No abstract text is available yet for this article.
May 10, 2017: Journal of the History of Biology
https://www.readbyqxmd.com/read/28493018/emerging-role-of-mirna-in-attention-deficit-hyperactivity-disorder-a-systematic-review
#9
REVIEW
Saurabh Srivastav, Susanne Walitza, Edna Grünblatt
Attention deficit hyperactivity disorder (ADHD) is a neuropsychiatric disorder whose aetiology still remains elusive. Nevertheless, evidence supports a high genetic contribution that interacts with environmental factors, also known to modulate epigenetic processes. These epigenetic modulators are a class of non-coding RNAs, microRNAs (miRNAs), known as post-transcriptional regulators, which have emerged as prospective players in neuropsychiatric disorders since they play a role in brain development, synapse formation, and the fine-tuning of genes underlying synaptic and memory formation...
May 10, 2017: Attention Deficit and Hyperactivity Disorders
https://www.readbyqxmd.com/read/28490781/identification-of-long-noncoding-rnas-deregulated-in-papillary-thyroid-cancer-and-correlated-with-braf-v600e-mutation-by-bioinformatics-integrative-analysis
#10
Lucas Goedert, Jessica Rodrigues Plaça, Cesar Seigi Fuziwara, Maiaro Cabral Rosa Machado, Desirée Rodrigues Plaça, Palloma Porto Almeida, Talita Perez Sanches, Jair Figueredo Dos Santos, Amanda Cristina Corveloni, Illy Enne Gomes Pereira, Marcela Motta de Castro, Edna Teruko Kimura, Wilson Araújo Silva, Enilza Maria Espreafico
Papillary Thyroid Cancer (PTC) is an endocrine malignancy in which BRAF(V600E) oncogenic mutation induces the most aggressive phenotype. In this way, considering that lncRNAs are arising as key players in oncogenesis, it is of high interest the identification of BRAF(V600E)-associated long noncoding RNAs, which can provide possible candidates for secondary mechanisms of BRAF-induced malignancy in PTC. In this study, we identified differentially expressed lncRNAs correlated with BRAF(V600E) in PTC and, also, extended the cohort of paired normal and PTC samples to more accurately identify differentially expressed lncRNAs between these conditions...
May 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28490196/effectiveness-of-second-line-antiretroviral-therapy-the-impact-of-drug-switches
#11
Letícia Penna Braga, Cássia Cristina Pinto Mendicino, Edna Afonso Reis, Ricardo Andrade Carmo, Cristiane Aparecida Menezes de Pádua
Including antiretroviral drug switches as a measure of ART failure could be more suitable than conventional measures to evaluate health outcomes in "real-world" settings. This is part of a historical cohort of HIV-infected adults who initiated ART from 2001-2005, and were followed up for a maximum of five years in three HIV/AIDS centers in Belo Horizonte, Brazil. Follow-up information included data from 2001-2010. All patients switched from first-line ART were included. Second-line ART effectiveness was measured as the time-to-ART failure...
May 10, 2017: AIDS Care
https://www.readbyqxmd.com/read/28487484/cap-binding-protein-4ehp-effects-translation-silencing-by-micrornas
#12
Clément Chapat, Seyed Mehdi Jafarnejad, Edna Matta-Camacho, Geoffrey G Hesketh, Idit A Gelbart, Jan Attig, Christos G Gkogkas, Tommy Alain, Noam Stern-Ginossar, Marc R Fabian, Anne-Claude Gingras, Thomas F Duchaine, Nahum Sonenberg
MicroRNAs (miRNAs) play critical roles in a broad variety of biological processes by inhibiting translation initiation and by destabilizing target mRNAs. The CCR4-NOT complex effects miRNA-mediated silencing, at least in part through interactions with 4E-T (eIF4E transporter) protein, but the precise mechanism is unknown. Here we show that the cap-binding eIF4E-homologous protein 4EHP is an integral component of the miRNA-mediated silencing machinery. We demonstrate that the cap-binding activity of 4EHP contributes to the translational silencing by miRNAs through the CCR4-NOT complex...
May 9, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28481921/low-sodium-diet-induces-atherogenesis-regardless-of-lowering-blood-pressure-in-hypertensive-hyperlipidemic-mice
#13
Fernanda B Fusco, Diego J Gomes, Kely C S Bispo, Veronica P Toledo, Denise F Barbeiro, Vera L Capelozzi, Luzia N S Furukawa, Ana P P Velosa, Walcy R Teodoro, Joel C Heimann, Eder C R Quintao, Marisa Passarelli, Edna R Nakandakare, Sergio Catanozi
This study investigated the influence of sodium restriction and antihypertensive drugs on atherogenesis utilizing hypertensive (H) low-density lipoprotein-receptor knockout mice treated or not with losartan (Los) or hydralazine (Hyd) and fed low-sodium (LS) or normal-sodium (NS) chow. Despite reducing the blood pressure (BP) of H-LS mice, the LS diet caused arterial lipid infiltration due to increased plasma total cholesterol (TC) and triglycerides (TG). Los and Hyd reduced the BP of H-LS mice, and Los effectively prevented arterial injury, likely by reducing plasma TG and nonesterified fatty acids...
2017: PloS One
https://www.readbyqxmd.com/read/28466019/plant-proteinase-inhibitor-bbci-modulates-lung-inflammatory-responses-and-mechanic-and-remodeling-alterations-induced-by-elastase-in-mice
#14
Rafael Almeida-Reis, Osmar A Theodoro-Junior, Bruno T M Oliveira, Leandro V Oliva, Alessandra C Toledo-Arruda, Camila R Bonturi, Marlon V Brito, Fernanda D T Q S Lopes, Carla M Prado, Ariana C Florencio, Mílton A Martins, Caroline A Owen, Edna A Leick, Maria L V Oliva, Iolanda F L C Tibério
Background. Proteinases play a key role in emphysema. Bauhinia bauhinioides cruzipain inhibitor (BbCI) is a serine-cysteine proteinase inhibitor. We evaluated BbCI treatment in elastase-induced pulmonary alterations. Methods.  C57BL/6 mice received intratracheal elastase (ELA group) or saline (SAL group). One group of mice was treated with BbCI (days 1, 15, and 21 after elastase instillation, ELABC group). Controls received saline and BbCI (SALBC group). After 28 days, we evaluated respiratory mechanics, exhaled nitric oxide, and bronchoalveolar lavage fluid...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28462786/improving-human-papillomavirus-vaccine-use-in-an-integrated-health-system-impact-of-a-provider-and-staff-intervention
#15
Huong Q McLean, Jeffrey J VanWormer, Brian D W Chow, Becky Birchmeier, Elizabeth Vickers, Edna DeVries, James Meyer, Jeffrey Moore, Michael M McNeil, Shannon Stokley, Julianne Gee, Edward A Belongia
PURPOSE: Acceptance and coverage of the human papillomavirus (HPV) vaccine in the United States has been suboptimal. We implemented a multifaceted provider and staff intervention over a 1-year period to promote HPV vaccination in a regional health care system. METHODS: The intervention was conducted in nine clinical departments from February 2015 to March 2016; 34 other departments served as controls. The intervention included in-person provider and staff education, quarterly feedback of vaccine coverage, and system-wide changes to patient reminder and recall notifications...
April 24, 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28461288/a-meta-analysis-of-genome-wide-association-studies-of-asthma-in-puerto%C3%A2-ricans
#16
Qi Yan, John Brehm, Maria Pino-Yanes, Erick Forno, Jerome Lin, Sam S Oh, Edna Acosta-Perez, Cathy C Laurie, Michelle M Cloutier, Benjamin A Raby, Adrienne M Stilp, Tamar Sofer, Donglei Hu, Scott Huntsman, Celeste S Eng, Matthew P Conomos, Deepa Rastogi, Kenneth Rice, Glorisa Canino, Wei Chen, R Graham Barr, Esteban G Burchard, Juan C Celedón
Puerto Ricans are disproportionately affected with asthma in the USA. In this study, we aim to identify genetic variants that confer susceptibility to asthma in Puerto Ricans.We conducted a meta-analysis of genome-wide association studies (GWAS) of asthma in Puerto Ricans, including participants from: the Genetics of Asthma in Latino Americans (GALA) I-II, the Hartford-Puerto Rico Study and the Hispanic Community Health Study. Moreover, we examined whether susceptibility loci identified in previous meta-analyses of GWAS are associated with asthma in Puerto Ricans...
May 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28453068/-obesity-risk-in-preschoolers-beneficiaries-of-food-aid-programs
#17
Edna M Gamboa-Delgado, Teresita González de Cossío, Arantxa Colchero-Aragonés
Objective To review the evidence regarding the potential impact of food programs on the risk of obesity in beneficiary children. Methods The search was conducted in databases using terms in Spanish and English. Those items that included the variable of interest, cross sectional studies, cohort or community trials were selected. Results Food assistance programs could contribute to increased obesity rates in the target population due to the availability and easier access to food with high energy content, either through the delivery of provisions or cash...
August 2016: Revista de Salud Pública
https://www.readbyqxmd.com/read/28452836/early-empiric-antibiotic-use-is-associated-with-delayed-feeding-tolerance-in-preterm-infants-a-retrospective-analysis
#18
Francisco E Martinez, Walusa A G Ferri, Clea R Leone, Maria Fernanda Branco de Almeida, Ruth Guinsburg, Jucille do Amaral Meneses, Marynéa Silva do Vale, Sergio Tadeu Martins Marba, Werther Brunow de Carvalho, Ligia Maria Suppo de Souza Rugolo, José Maria de Andrade Lopes, Manoel A Ribeiro, Renato S Procianoy, José Luiz Muniz Bandeira Duarte, Maria Cândida Ferrarez Bouzada, Daniela Marques de Lima Mota Ferreira, Navantino Alves Filho, Edna Maria de Albuquerque Diniz, Dulce Maria Toledo Zanardi, Daniela Testoni, Cristina Nunes Dos Santos, Maria Rafaela Conde Gomzález, Paulyne Stadler Venzon, Jaques Belik
The causative factors of neonatal feeding intolerance are poorly understood, but potentially related to clinical practices such as empiric antibiotic usage.The objective of this study was to evaluate whether early empiric antibiotic exposure negatively affects preterm infants' enteral feeding tolerance.Data from infants without risk factors for sepsis, 500-1499 g birth weight and 24-34 weeks gestational age were analysed. The primary outcomes were the empiric antibiotic exposure effects on the infants' total parenteral nutrition usage duration and prevalence of necrotizing enterocolitis...
April 27, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28449215/rapid-degradation-of-longer-dna-fragments-enables-the-improved-estimation-of-distribution-and-biomass-using-environmental-dna
#19
Toshiaki Jo, Hiroaki Murakami, Reiji Masuda, Masayuki Sakata, Satoshi Yamamoto, Toshifumi Minamoto
The advent of environmental DNA (eDNA) analysis methods has enabled rapid and wide-range ecological monitoring in aquatic ecosystems, but there is a dearth of information on eDNA degradation. The results of previous studies suggest that the decay rate of eDNA varies depending on the length of DNA fragments. To examine this hypothesis, we compared temporal change in copy number of long eDNA fragments (719 bp) with that of short eDNA fragments (127 bp). First, we isolated rearing water from a target fish species, Japanese Jack Mackerel (Trachurus japonicus), and then quantified the copy number of the long and short eDNA fragments in 1 L water samples after isolating the water from the fish...
April 27, 2017: Molecular Ecology Resources
https://www.readbyqxmd.com/read/28448613/water-temperature-dependent-degradation-of-environmental-dna-and-its-relation-to-bacterial-abundance
#20
Satsuki Tsuji, Masayuki Ushio, Sho Sakurai, Toshifumi Minamoto, Hiroki Yamanaka
Environmental DNA (eDNA) is DNA shed by organisms into surrounding environments such as soil and water. The new methods using eDNA as a marker for species detection are being rapidly developed. Here we explore basic knowledge regarding the dependence of the eDNA degradation rate on time and water temperature, and the relationship between eDNA degradation and bacterial abundance. This subject has not been well clarified, even though it is essential for improving the reliability of eDNA analysis. To determine the time- and water temperature-dependent degradation of eDNA, river water was sampled and eDNA concentrations were determined for ayu sweetfish (Plecoglossus altivelis altivelis) and common carp (Cyprinus carpio) at seven time points, over a 48-h period, and at three different water temperatures...
2017: PloS One
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