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https://www.readbyqxmd.com/read/28741095/phenotype-microarray-analysis-of-the-aders-two-component-system-in-acinetobacter-baumannii
#1
J-R Sun, Y-S Chiang, H-S Shang, C-L Perng, Y-S Yang, T-S Chiueh
Acinetobacter baumannii is a nosocomial pathogen capable of resistance to multiple antimicrobials. The AdeRS two-component system (TCS) is associated with antimicrobial resistance by controlling the AdeABC efflux pump. To elucidate modulation by AdeRS, we made an A. baumannii mutant lacking the AdeRS TCS and characterized it using phenotype microarray (PM) analysis. After disrupting the adeRS operon, lower expression of AdeABC efflux pump was observed in the mutant strain. PM analysis showed that the AdeRS deletion strain and parental strain presented different tolerances to 91 compounds...
July 24, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28738807/sexual-violence-against-female-university-students-in-ethiopia
#2
Yohannes Mehretie Adinew, Mihiret Abreham Hagos
BACKGROUND: Though many women are suffering the consequences of sexual violence, only few victims speak out as it is sensitive and prone to stigma. This lack of data made it difficult to get full picture of the problem and design proper interventions. Thus, the aim of this study was to assess the prevalence and factors associated with sexual violence among female students of Wolaita Sodo University, south Ethiopia. METHODS: Institution based cross-sectional study was conducted among 462 regular female Wolaita Sodo University students on April 7/2015...
July 24, 2017: BMC International Health and Human Rights
https://www.readbyqxmd.com/read/28738410/no-large-population-of-unbound-or-wide-orbit-jupiter-mass-planets
#3
Przemek Mróz, Andrzej Udalski, Jan Skowron, Radosław Poleski, Szymon Kozłowski, Michał K Szymański, Igor Soszyński, Łukasz Wyrzykowski, Paweł Pietrukowicz, Krzysztof Ulaczyk, Dorota Skowron, Michał Pawlak
Planet formation theories predict that some planets may be ejected from their parent systems as result of dynamical interactions and other processes. Unbound planets can also be formed through gravitational collapse, in a way similar to that in which stars form. A handful of free-floating planetary-mass objects have been discovered by infrared surveys of young stellar clusters and star-forming regions as well as wide-field surveys, but these studies are incomplete for objects below five Jupiter masses. Gravitational microlensing is the only method capable of exploring the entire population of free-floating planets down to Mars-mass objects, because the microlensing signal does not depend on the brightness of the lensing object...
July 24, 2017: Nature
https://www.readbyqxmd.com/read/28738311/perception-is-key-does-perceptual-sensitivity-and-parenting-behavior-predict-children-s-reactivity-to-others-emotions
#4
Joyce Weeland, Alithe Van den Akker, Meike Slagt, Samuel Putnam
When interacting with other people, both children's biological predispositions and past experiences play a role in how they will process and respond to social-emotional cues. Children may partly differ in their reactions to such cues because they differ in the threshold for perceiving such cues in general. Theoretically, perceptual sensitivity (i.e., the amount of detection of slight, low-intensity stimuli from the external environment independent of visual and auditory ability) might, therefore, provide us with specific information on individual differences in susceptibility to the environment...
July 21, 2017: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/28738300/paternal-and-maternal-preconception-urinary-phthalate-metabolite-concentrations-and-child-behavior
#5
Carmen Messerlian, David Bellinger, Lidia Mínguez-Alarcón, Megan E Romano, Jennifer B Ford, Paige L Williams, Antonia M Calafat, Russ Hauser, Joseph M Braun
BACKGROUND: Prenatal phthalate exposure has been associated with behavioral problems and lower performance on measures of cognitive ability in children. However, the potential effect of phthalate exposure during the sensitive preconception period is unknown. OBJECTIVES: To estimate the association of maternal and paternal preconception urinary phthalate metabolite concentrations with child behavior and evaluate potential modification by child sex. METHODS: We used data from 166 children (111 singletons, 26 pairs of twins, and 1 set of triplets) born to 134 mothers and 100 fathers participating in a prospective preconception cohort study of subfertile couples from the Massachusetts General Hospital Fertility Center...
July 21, 2017: Environmental Research
https://www.readbyqxmd.com/read/28738165/physical-and-mechanical-therapies-for-lower-limb-problems-in-juvenile-idiopathic-arthritis-a-systematic-review-with-meta-analysis
#6
Antoni Fellas, Andrea Coda, Fiona Hawke
BACKGROUND: Juvenile Idiopathic Arthritis (JIA) is a chronic, autoimmune, inflammatory joint disease and is the most common arthritis affecting children under 16 years of age. Children with JIA commonly experience lower limb dysfunction and disability. OBJECTIVE: To systematically review the effectiveness of physical and mechanical therapies for lower limb problems JIA. METHODS: Randomised control trials (RCT) of physical and mechanical interventions for lower limb problems in children with JIA were included...
July 24, 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28737839/moving-an-evidence-based-parenting-program-into-the-community
#7
Caroline K P Roben, Mary Dozier, E B Caron, Kristin Bernard
Attachment and Biobehavioral Catch-up (ABC) is a parenting program developed to enhance sensitivity among parents of infants who experience early adversity. In several randomized clinical trials, the intervention's efficacy has been demonstrated. Moving interventions into the community with adequate fidelity is challenging, though, and intervention effects are often much smaller than when tested in randomized clinical trials. To enhance the likelihood that ABC is delivered with high fidelity, a microanalytic fidelity assessment was developed...
July 24, 2017: Child Development
https://www.readbyqxmd.com/read/28737836/parenting-and-cortisol-in-infancy-interactively-predict-conduct-problems-and-callous-unemotional-behaviors-in-childhood
#8
Nicholas J Wagner, W Roger Mills-Koonce, Michael T Willoughby, Martha J Cox
This study examines observed maternal sensitivity, harsh-intrusion, and mental-state talk in infancy as predictors of conduct problems (CP) and callous-unemotional (CU) behaviors in middle childhood, as well as the extent to which infants' resting cortisol and cortisol reactivity moderate these associations. Using data from the Family Life Project (n = 1,292), results indicate that maternal sensitivity at 6 months predicts fewer CP at first grade, but only for infants who demonstrate high levels of cortisol reactivity...
July 24, 2017: Child Development
https://www.readbyqxmd.com/read/28737141/designing-and-validation-of-a-hindi-language-parent-self-report-developmental-screening-tool
#9
Rahul Jain, Anshita Arora, Rohit Anand, Shahzadi Malhotra, Medha Mittal, Monica Juneja
AIM: To design and validate Hindi-language parent self-report developmental screening questionnaires for 9-month and 18-month-old Indian children. DESIGN: Cross-sectional study. SETTING: Tertiary-care pediatric hospital from April 2014 to March 2016. PARTICIPANTS: In each age group (9-month and 18-month), 45 children were enrolled for designing of questionnaires (30 for obtaining parental observations of current development and 15 for pre-testing)...
July 15, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/28737004/parent-child-interactions-and-children-with-cerebral-palsy-an-exploratory-study-investigating-emotional-availability-functional-ability-and-parent-distress
#10
J Barfoot, P Meredith, J Ziviani, K Whittingham
BACKGROUND: Emotionally available parent-child relationships are supportive of child health and development. When a child has cerebral palsy, a range of child and parent factors can potentially impact the parent-child relationship; however, little research has specifically addressed this question. The aim of this study is to investigate links between parent-child emotional availability and both child functional abilities and parent distress in a sample of parents and children with cerebral palsy...
July 23, 2017: Child: Care, Health and Development
https://www.readbyqxmd.com/read/28735447/cost-benefit-analysis-of-two-child-abuse-and-neglect-primary-prevention-programs-for-us-states
#11
Cora Peterson, Curtis Florence, Robert Thomas, Joanne Klevens
We assessed the US state-level budget and societal impact of implementing two child abuse and neglect (CAN) primary prevention programs. CAN cost estimates and data from two prevention programs (Child-Parent Centers and Nurse-Family Partnership) were combined with current population, cost, and CAN incidence data by US state. A cost-benefit mathematical model for each program by US state compared program costs with the future monetary value of benefits from reduced CAN. The models used a lifetime time horizon from government payer and societal perspectives...
July 22, 2017: Prevention Science: the Official Journal of the Society for Prevention Research
https://www.readbyqxmd.com/read/28735223/isomeric-separation-and-quantitation-of-di-2-ethylhexyl-trimellitates-and-mono-2-ethylhexyl-trimellitates-in-blood-by-lc-ms-ms
#12
Christine Höllerer, Johannes Müller, Thomas Göen, Elisabeth Eckert
A new and fast HPLC-method for the simultaneous determination of tri-(2-ethylhexyl) trimellitate (TOTM or TEHTM), its diesters 2,4-di-(2-ethylhexyl) trimellitate (2,4-DEHTM), 1,4-di-(2-ethylhexyl) trimellitate (1,4-DEHTM), 1,2-di-(2-ethylhexyl) trimellitate (1,2-DEHTM) and monoesters 1-mono-(2-ethylhexyl) trimellitate (1-MEHTM), 2-mono-(2-ethylhexyl) trimellitate (2-MEHTM) and 4-mono-(2-ethylhexyl) trimellitate (4-MEHTM) together with di-(2-ethylhexyl) phthalate (DEHP) and its primary metabolite mono-(2-ethylhexyl) phthalate (MEHP) in blood was developed and validated...
July 10, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28734354/determination-of-aqueous-antibiotic-solutions-using-sers-nanogratings
#13
Koh Yiin Hong, Carlos Diego Lima de Albuquerque, Ronei J Poppi, Alexandre G Brolo
The emergence of antibiotics and their active metabolites in aquatic ecosystem has motivated the development of sensitive and reliable sensors to monitor traces of antibiotics and metabolites in drinking water sources (i.e. surface water). The surface enhanced Raman scattering (SERS) technique, which is widely recognized as a high sensitivity method for molecular vibrational detection, is potentially a powerful tool for trace environmental contamination analysis. The main goal of this work is to demonstrate pharmaceutical and metabolite multiplexing detection using the SERS approach...
August 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28733082/effects-of-novel-triple-stage-antimalarial-ionic-liquids-on-lipid-membrane-models
#14
Ricardo Ferraz, Marina Pinheiro, Ana Gomes, Cátia Teixeira, Cristina Prudêncio, Salette Reis, Paula Gomes
Primaquine-based ionic liquids, obtained by acid-base reaction between parent primaquine and cinnamic acids, were recently found as triple-stage antimalarial hits. These ionic compounds displayed significant activity against both liver- and blood-stage Plasmodium parasites, as well as against stage V P. falciparum parasites. Remarkably, blood-stage activity of the ionic liquids against both chloroquine-sensitive (3D7) and resistant (Dd2) P. falciparum strains was clearly superior to those of the respective covalent (amide) analogues and of parent primaquine...
July 3, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28732651/maternal-caffeine-consumption-during-pregnancy-and-behavioral-disorders-in-11-year-old-offspring-a-danish-national-birth-cohort-study
#15
Susanne Hvolgaard Mikkelsen, Carsten Obel, Jørn Olsen, Janni Niclasen, Bodil Hammer Bech
OBJECTIVE: To examine the association between maternal caffeine consumption from coffee and tea during pregnancy and offspring behavioral disorders. STUDY DESIGN: We studied 47 491 children enrolled in the Danish National Birth Cohort between 1996 and 2002. Data on maternal coffee and tea consumption was collected at 15 and 30 weeks of gestation. When the child was 11 years old, the Strength and Difficulties Questionnaire was filled in by children, parents, and teachers...
July 18, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28732449/dependence-of-the-linker-histone-and-chromatin-condensation-on-the-nucleosome-environment
#16
Ognjen Perišić, Tamar Schlick
The linker histone (LH), an auxiliary protein that can bind to chromatin and interact with the linker DNA to form stem motifs, is a key element of chromatin compaction. By affecting the chromatin condensation level, it also plays an active role in gene expression. However, the presence and variable concentration of LH in chromatin fibers with different DNA linker lengths indicate that its folding and condensation are highly adaptable and dependent on the immediate nucleosome environment. Recent experimental studies revealed that the behavior of LH in mononucleosomes markedly differs from that in small nucleosome arrays, but the associated mechanism is unknown...
July 21, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28732166/mel-n16-a-series-of-novel-endomorphin-analogs-with-good-analgesic-activity-and-a-favorable-side-effect-profile
#17
Xin Liu, Long Zhao, Yuan Wang, Jingjing Zhou, Dan Wang, Yixin Zhang, Xianghui Zhang, Zhaojuan Wang, Dongxu Yang, Lingyun Mou, Rui Wang
Opioid peptides are neuromodulators that bind to opioid receptors and reduce pain sensitivity. Endomorphins are one of the most active endogenous opioid peptides, and they have good affinity and selectivity toward the μ opioid receptor. However, their clinical usage is hindered by their inability to cross the blood-brain barrier, and their poor in vivo activity after peripheral injection. In order to overcome these defects, we have designed and synthesized a series of novel endomorphin analogs with multiple site modifications...
July 21, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28731125/n-peptide-of-vmip-%C3%A2-reverses-paclitaxel-resistance-by-regulating-mirna-335-in-breast-cancer
#18
Yangyang Wang, Haifeng Wang, Yongxing Ding, Yu Li, Sulian Chen, Lingyu Zhang, Haihua Wu, Jihong Zhou, Kecai Duan, Wenrui Wang, Changjie Chen, Qingling Yang
Acquisition of resistance to paclitaxel is one of the most important problems in treatment of breast cancer patients, but the molecular mechanisms underlying sensitivity to paclitaxel remains elusive. Emerging evidence has demonstrated that microRNAs (miRNAs) play important roles in regulation of cell growth, migration and invasion through inhibiting the expression of its target genes. In our previous studies, we have shown that microRNA-335 (miR‑335) decreased obviously between paclitaxel-resistant (PR) and parental breast cancer cells through miRNA microarray...
July 19, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28729075/effects-of-environmental-enrichment-during-abstinence-in-morphine-dependent-parents-on-anxiety-depressive-like-behaviors-and-voluntary-morphine-consumption-in-rat-offspring
#19
Alireza Pooriamehr, Parviz Sabahi, Hossein Miladi-Gorji
Chronic morphine exposure during puberty increased morphine-induced rewarding effects and sensitization in the next generation. Given the well-known beneficial effects of environmental enrichment on the severity of physical and psychological dependence on morphine, we examined effects of enriched environment during morphine abstinence in morphine dependent parental rats before mating on the anxiety and depressive-like behaviors, and voluntary morphine consumption in their offspring. Paternal and/or maternal rats were injected with bi-daily doses (10mg/kg, 12h intervals) of morphine for 14days followed by rearing in a standard environment (SE) or enriched environment (EE) during 30days of morphine abstinence before mating...
July 17, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28728108/new-tacrine-dimers-with-antioxidant-linkers-as-dual-drugs-anti-alzheimer-s-and-antiproliferative-agents
#20
Jesús M Roldán-Peña, Daniel Alejandre-Ramos, Óscar López, Inés Maya, Irene Lagunes, José M Padrón, Luis Emiliano Peña-Altamira, Manuela Bartolini, Barbara Monti, Maria L Bolognesi, José G Fernández-Bolaños
We have designed a series of tacrine-based homo- and heterodimers that incorporate an antioxidant tether (selenoureido, chalcogenide) as new dual compounds: for the treatment of Alzheimer's disease and as antiproliferative agents. Symmetrical homodimers bearing a dichalcogenide or selenide-based tether, the best compounds in the series, were found to be strong and highly selective electric eel AChE inhibitors, with inhibition constants within the low nanomolar range. This high inhibitory activity was confirmed on recombinant human AChE for the most interesting derivatives...
June 27, 2017: European Journal of Medicinal Chemistry
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