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https://www.readbyqxmd.com/read/27922681/cxcr4-promotes-cisplatin-resistance-of-non-small-cell-lung-cancer-in-a-cyp1b1-dependent-manner
#1
Songping Xie, Zhenbo Tu, Jie Xiong, Ganjun Kang, Lina Zhao, Weidong Hu, Haiyan Tan, Kingsley Miyanda Tembo, Qianshan Ding, Xinzhou Deng, Jie Huang, Qiuping Zhang
Chemoresistance is the main cause of treatment failure and high mortality in advanced lung cancer. Cisplatin, an important chemotherapeutic agent for lung cancer, has been observed to show enormously reduced chemotherapeutic efficacy owing to the development of chemoresistance. CXCR4, a stromal-derived-factor-1 specific chemokine receptor, is highly expressed in non-small cell lung cancer (NSCLC) tissues and participates in cancer progression by regulating cell growth, apoptosis or invasion. In this study, we therefore investigated whether CXCR4 plays a role in the cisplatin associated resistance in NSCLC...
December 2, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27922636/dna-methylation-and-substance-use-risk-a-prospective-genome-wide-study-spanning-gestation-to-adolescence
#2
C A M Cecil, E Walton, R G Smith, E Viding, E J McCrory, C L Relton, M Suderman, J-B Pingault, W McArdle, T R Gaunt, J Mill, E D Barker
Epigenetic processes have been implicated in addiction; yet, it remains unclear whether these represent a risk factor and/or a consequence of substance use. Here, we believe we conducted the first genome-wide, longitudinal study to investigate whether DNA methylation patterns in early life prospectively associate with substance use in adolescence. The sample comprised of 244 youth (51% female) from the Avon Longitudinal Study of Parents and Children (ALSPAC), with repeated assessments of DNA methylation (Illumina 450k array; cord blood at birth, whole blood at age 7) and substance use (tobacco, alcohol and cannabis use; age 14-18)...
December 6, 2016: Translational Psychiatry
https://www.readbyqxmd.com/read/27922291/sexual-satisfaction-among-involuntarily-childless-women-a-cross-cultural-study-in-italy-and-brazil
#3
Paola Gremigni, Giulia Casu, Victor Mantoani Zaia, Maria Geralda Viana Heleno, Ciro Conversano, Caio Parente Barbosa
Infertility has been negatively associated with sexual satisfaction. This study aimed to estimate the relation of infertility to sexual satisfaction from a cross-cultural perspective, comparing Italian and Brazilian women. Between June 2012 and January 2013, 528 women seeking Assisted Reproduction Technology (ART) treatment in Italy (39%) or Brazil (61%) completed self-reports of sexual satisfaction (ISS) and infertility-related stress in the marital domain (IRS). IRS was the same across countries, ISS differed, with 34...
December 6, 2016: Women & Health
https://www.readbyqxmd.com/read/27922239/predictors-of-self-esteem-in-adolescents-with-a-psychiatric-referral
#4
Devrim Akdemir, Tuna Çak, Cihan Aslan, Büşra Sultan Aydos, Kevser Nalbant, Füsun Çuhadaroğlu-Çetin
In the literature self-esteem is found to be lower in clinically referred adolescents compared to adolescents without any psychiatric disorder. The aim of this study is to examine self-esteem and associated socio-demographical and psychological factors in clinically referred adolescents in Turkey. Three hundred forty-nine adolescents aged between 12 and 18 years admitted to the Department of Child and Adolescent Psychiatry with a psychiatric complaint were enrolled. Rosenberg Self-Esteem Scale (RSES), Brief Symptom Inventory (BSI), Parenting Style Scale (PSS) and Sense of Identity Assessment Form (SIAF) were used for the evaluation...
2016: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/27922238/parental-perception-and-child-s-nutritional-status
#5
S Songül Yalçın, Esra Serdaroğlu, O Tolga İnce
Childhood obesity is a health hazard increasing worldwide. Preschool period which is under supervision of parents is a critical period to detect overweight and take precautions. We studied the factors affecting parental estimation of their preschool child's weight. Three hundred sixty seven mothers completed questionnaires consisting of child's and parents' anthropometric measurements, parents' assessment of their child's and their own weight status, and general information about their lifestyle. Mothers also chose their wish for current and future body image of their child from child drawings representing percentiles...
2016: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/27922216/seven-elements-important-to-successful-implementation-of-early-literacy-intervention
#6
Barbara Foorman, Jennifer Dombek, Kevin Smith
The objective of this article is to describe seven elements important to successful implementation of early literacy intervention. The seven elements are drawn from research as well as from the authors' recent randomized controlled trial of effective early literacy interventions in kindergarten through second grade in 55 schools across Florida. The seven elements are (a) the importance of researcher-practitioner partnerships; (b) determining the need for early intervention; (c) assessment selection and data use; (d) evaluating curriculum and instructional materials for use in early intervention; (e) scheduling time for intervention; (f) selecting, training, and supporting interventionists; and (g) locating space and maintaining open communications among interventionists, teachers, and parents...
December 2016: New Directions for Child and Adolescent Development
https://www.readbyqxmd.com/read/27922144/sleep-patterns-and-dysfunctions-in-children-with-learning-problems
#7
Ramkumar Aishworiya, Po Fun Chan, Jennifer Sh Kiing, Shang Chee Chong, Stacey Kh Tay
INTRODUCTION: This study aimed to determine the sleep patterns and dysfunctions in children with learning problems in comparison against a local population-based sample. MATERIALS AND METHODS: Parents of 200 children with learning problems and 372 parents of a local population-based sample of typically developing (TD) children were recruited to complete a questionnaire on their child's sleep patterns and sleep problems. The Children's Sleep Habits Questionnaire (CSHQ) is a validated parent-reported sleep screening questionnaire that contains 54 items identifying sleep behaviours in children...
November 2016: Annals of the Academy of Medicine, Singapore
https://www.readbyqxmd.com/read/27922096/enantiomer-signature-and-carbon-isotope-evidence-for-the-migration-and-transformation-of-ddts-in-arable-soils-across-china
#8
Lili Niu, Chao Xu, Siyu Zhu, Huiming Bao, Yang Xu, Hongyi Li, Zhijian Zhang, Xichang Zhang, Jiguo Qiu, Weiping Liu
Due to the adverse impact of DDTs on ecosystems and humans, a full fate assessment deems a comprehensive study on their occurrence in soils over a large region. Through a sampling campaign across China, we measured the concentrations, enantiomeric fractions (EFs), compound-specific carbon isotope composition of DDT and its metabolites, and the microbial community in related arable soils. The geographically total DDT concentrations are higher in eastern than western China. The EFs and δ(13)C of o,p'-DDT in soils from western China show smaller deviations from those of racemic/standard compound, indicating the DDT residues there mainly result from atmospheric transport...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922071/a-carotenogenic-mini-pathway-introduced-into-white-corn-does-not-affect-development-or-agronomic-performance
#9
Daniela Zanga, Teresa Capell, Gustavo A Slafer, Paul Christou, Roxana Savin
High-carotenoid corn (Carolight®) has been developed as a vehicle to deliver pro-vitamin A in the diet and thus address vitamin A deficiency in at-risk populations in developing countries. Like any other novel crop, the performance of Carolight® must be tested in different environments to ensure that optimal yields and productivity are maintained, particularly in this case to ensure that the engineered metabolic pathway does not attract a yield penalty. Here we compared the performance of Carolight® with its near isogenic white corn inbred parental line under greenhouse and field conditions, and monitored the stability of the introduced trait...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27921366/masked-trichothecene-and-zearalenone-mycotoxins-withstand-digestion-and-absorption-in-the-upper-gi-tract-but-are-efficiently-hydrolyzed-by-human-gut-microbiota-in-vitro
#10
Silvia W Gratz, Reshma Dinesh, Tomoya Yoshinari, Grietje Holtrop, Anthony J Richardson, Gary Duncan, Susan MacDonald, Antony Lloyd, Jonathan Tarbin
SCOPE: Cereal grains are commonly contaminated with Fusarium mycotoxins and their plant-derived masked metabolites. The fate of masked mycotoxins in the human gut is poorly understood. Here we assess the metabolism and transport of glucoside metabolites of common trichothecenes (deoxynivalenol, nivalenol, T-2 toxin) and zearalenone compounds (zearalenone, α- and β-zearalenol) in the human gut in vitro. METHODS AND RESULTS: Masked mycotoxins were incubated with artificial digestive juices and absorption was assessed in differentiated Caco-2/TC7 cells...
December 6, 2016: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/27921356/time-processing-impairments-in-preschoolers-at-risk-of-developing-difficulties-in-mathematics
#11
Valentina Tobia, Luca Rinaldi, Gian Marco Marzocchi
The occurrence of time processing problems in individuals with Development Dyscalculia (DD) has favored the view of a general magnitude system devoted to both numerical and temporal information. Yet, this scenario has been partially challenged by studies indicating that time difficulties can be attributed to poor calculation or counting skills, which can support reasoning on time in school-aged children and adults. Here, we tackle this debate by exploring the performance of young children before they fully develop the symbolic number system...
December 5, 2016: Developmental Science
https://www.readbyqxmd.com/read/27921334/synacton-and-individual-activity-of-synthetic-and-natural-corticotropins
#12
T V Vyunova, L A Andreeva, K V Shevchenko, N F Myasoedov
Short endogenous peptides represent one of the most important constituents of the mammalian body's general regulatory system. Some synthesized analogs and modified natural peptides (eg, corticotropins) also show high biological activity. Nevertheless, the mechanism of action of regulatory peptides remains unclear. To explain the effects of peptides of intermolecular processes, the hypothesis that a synactonal mechanism underlies the action of regulatory peptides, exemplified by the heptapeptide Semax, has been proposed...
December 6, 2016: Journal of Molecular Recognition: JMR
https://www.readbyqxmd.com/read/27921321/from-paperwork-to-parenting-experiences-of-professional-staff-in-student-support
#13
Wendy C Y Hu, Eleanor Flynn, Rebecca Mann, Robyn Woodward-Kron
CONTEXT: For academic staff, responding to student concerns is an important responsibility. Professional staff, or non-academic staff who do administrative work in medical schools, are often the first to be approached by students, yet there is little research on how they manage student issues. Informed by the conceptual framework of emotional labour, we examined the experiences of professional staff, aiming to identify theoretical and practical insights for improving the provision of student support...
December 5, 2016: Medical Education
https://www.readbyqxmd.com/read/27921311/the-neurobiology-of-parenting-a-neural-circuit-perspective
#14
Johannes Kohl, Anita E Autry, Catherine Dulac
Social interactions are essential for animals to reproduce, defend their territory, and raise their young. The conserved nature of social behaviors across animal species suggests that the neural pathways underlying the motivation for, and the execution of, specific social responses are also maintained. Modern tools of neuroscience have offered new opportunities for dissecting the molecular and neural mechanisms controlling specific social responses. We will review here recent insights into the neural circuits underlying a particularly fascinating and important form of social interaction, that of parental care...
December 6, 2016: BioEssays: News and Reviews in Molecular, Cellular and Developmental Biology
https://www.readbyqxmd.com/read/27921229/an-extracellular-proteasome-releases-endostatin-from-human-collagen-xviii
#15
Maria L V Reiss-Pistilli, Detlef Schuppan, Madalena M S Barroso, Iranaia Assunção-Miranda, Shirley Farias, Letícia Lery, Michael Bauer, Luiz Juliano, Maria A Juliano, Tatiana Coelho-Sampaio
Endostatin is a potent anti-angiogenic and anti-tumor protein capable of regressing tumors without inducing acquired resistance. Since it is a fragment of the parental molecule, collagen XVIII, its endogenous production depends on the activity of a specific proteolytic enzyme. While such an enzyme has been described in mice, a human counterpart has not been identified so far. Here, we searched for this enzyme by using a fluorescence resonance energy transfer peptide containing the cleavage site of human collagen XVIII...
December 5, 2016: Angiogenesis
https://www.readbyqxmd.com/read/27921139/reduced-inattention-and-hyperactivity-and-improved-cognition-after-marine-oil-extract-pcso-524%C3%A2-supplementation-in-children-and-adolescents-with-clinical-and-subclinical-symptoms-of-attention-deficit-hyperactivity-disorder-adhd-a-randomised-double-blind-placebo
#16
James D Kean, Jerome Sarris, Andrew Scholey, Richard Silberstein, Luke A Downey, Con Stough
INTRODUCTION: This study investigated the effects of a marine oil extract (PCSO-524®) on inattention, hyperactivity, mood and cognition in children and adolescents. PCSO-524® is a standardised lipid extract of the New Zealand green-lipped mussel and is an inflammatory modulator that inhibits the 5'-lipoxygenase and cyclooxygenase pathways and decreases concentrations of the pro-inflammatory arachidonic acid (AA). METHODS: PCSO-524® or a matched placebo was administered for 14 weeks to 144 participants (123 males/21 females; mean age 8...
December 5, 2016: Psychopharmacology
https://www.readbyqxmd.com/read/27920943/a-pilot-dental-survey-on-maui
#17
Olivia Jenkins, Sara Routley, Tina Pedro-Gomes, Lorrin Pang
Routine dental screening surveys of third graders have proven to be a useful tool to monitor the dental health of a community, especially those of highest risk. In 2010 the PEW Charitable Trust (PEW) conducted state-by-state oral hygiene assessments, giving Hawai'i a poor grade, with routine dental surveys of children one of several criteria not met. The Maui Oral Health Task Force piloted its own survey for the island of Maui to assess the challenges in implementing a dental screening and to gain an understanding as to how obstacles might be addressed...
November 2016: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
https://www.readbyqxmd.com/read/27920870/pyle-disease-metaphyseal-dysplasia-presenting-in-two-adult-sisters
#18
Diego Ximenes Soares, Amália Mapurunga Almeida, André Rodrigues Façanha Barreto, Ilze Jucá Alencar E Silva, José Daniel Vieira de Castro, Francisco José Magalhães Pinto, Daniel Aguiar Dias, Lindenberg Barbosa Aguiar
Pyle's disease is an extremely rare skeletal disorder characterized by a benign course and an autosomal recessive genetic pattern of inheritance. Its causal mutation is still unknown. In the medical literature, fewer than 30 cases have been described to date. We report the case of two female siblings, daughters of consanguineous parents, referred to the radiology department complaining of genu valgum. Laboratory tests showed no other relevant findings. Conventional radiography plain films revealed Erlenmeyer flask deformity in bilateral femorotibial metaphyses, metaphyseal flaring of long bones, and mild sclerosis of the skull base...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27920788/vegetative-and-adaptive-traits-predict-different-outcomes-for-restoration-using-hybrids
#19
Philip A Crystal, Nathanael I Lichti, Keith E Woeste, Douglass F Jacobs
Hybridization has been implicated as a driver of speciation, extinction, and invasiveness, but can also provide resistant breeding stock following epidemics. However, evaluating the appropriateness of hybrids for use in restoration programs is difficult. Past the F1 generation, the proportion of a progenitor's genome can vary widely, as can the combinations of parental genomes. Detailed genetic analysis can reveal this information, but cannot expose phenotypic alterations due to heterosis, transgressive traits, or changes in metabolism or development...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27920584/evaluation-management-and-prevention-of-lower-extremity-youth-ice-hockey-injuries
#20
REVIEW
Charles A Popkin, Brian M Schulz, Caroline N Park, Thomas S Bottiglieri, T Sean Lynch
Ice hockey is a fast-paced sport played by increasing numbers of children and adolescents in North America and around the world. Requiring a unique blend of skill, finesse, power and teamwork, ice hockey can become a lifelong recreational activity. Despite the rising popularity of the sport, there is ongoing concern about the high frequency of musculoskeletal injury associated with participation in ice hockey. Injury rates in ice hockey are among the highest in all competitive sports. Numerous research studies have been implemented to better understand the risks of injury...
2016: Open Access Journal of Sports Medicine
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