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https://www.readbyqxmd.com/read/29154406/promoting-resilience-among-african-american-girls-racial-identity-as-a-protective-factor
#1
Sheretta T Butler-Barnes, Seanna Leath, Amber Williams, Christy Byrd, Rona Carter, Tabbye M Chavous
This study examines school climate, racial identity beliefs, and achievement motivation beliefs within a cultural-ecological and risk and resilience framework. Data were drawn from a longitudinal study of 733 (Mage  = 14.49) African American adolescent girls. A linear mixed effects model was used to determine if racial identity dimensions moderated the relationship between school climate and achievement motivation beliefs across four waves. Results revealed that racial identity (private regard and racial centrality) and ideology (nationalist) beliefs were associated with higher achievement motivation beliefs over time, while racial centrality and private regard, and a sense of belonging served as protective factors...
November 20, 2017: Child Development
https://www.readbyqxmd.com/read/29153029/a-sense-of-belonging-the-importance-of-fostering-student-nurses-affective-bonds
#2
Helena Dunbar, Bernie Carter
No abstract text is available yet for this article.
December 2017: Journal of Child Health Care: for Professionals Working with Children in the Hospital and Community
https://www.readbyqxmd.com/read/29153003/-suddenly-the-first-fifty-years-of-my-life-made-sense-experiences-of-older-people-with-autism
#3
Aoife Hickey, Jason Crabtree, Joshua Stott
Research on the experience of growing older with autism is very limited. In this study, 13 people with autism aged over 50 years participated in semi-structured interviews about their experiences of diagnosis, social support and getting older. Interviews were analysed using thematic analysis. Three overarching themes were generated: difference, life review and longing for connection. Prior to diagnosis, individuals had awareness of their difficulties, attributed these to intrinsic difference and engaged in a deliberate process of reducing the visibility of this difference...
February 1, 2017: Autism: the International Journal of Research and Practice
https://www.readbyqxmd.com/read/29151658/generalized-scalar-on-image-regression-models-via-total-variation
#4
Xiao Wang, Hongtu Zhu
The use of imaging markers to predict clinical outcomes can have a great impact in public health. The aim of this paper is to develop a class of generalized scalar-on-image regression models via total variation (GSIRM-TV), in the sense of generalized linear models, for scalar response and imaging predictor with the presence of scalar covariates. A key novelty of GSIRM-TV is that it is assumed that the slope function (or image) of GSIRM-TV belongs to the space of bounded total variation in order to explicitly account for the piecewise smooth nature of most imaging data...
2017: Journal of the American Statistical Association
https://www.readbyqxmd.com/read/29149795/development-of-a-psycho-educational-support-program-for-individuals-with-primary-progressive-aphasia-and-their-care-partners
#5
Darby J Morhardt, Mary C O'Hara, Kristine Zachrich, Christina Wieneke, Emily J Rogalski
Primary progressive aphasia is a language-based dementia that initially spares other cognitive domains; however, aphasia interferes with many life roles such as work and interpersonal relationships. Psycho-educational programs, such as support groups have been shown to be effective for persons with Alzheimer's dementia; however, little is known regarding their effectiveness for persons with primary progressive aphasia. This paper describes the development of a program that offers support, education and activities for persons with primary progressive aphasia and their care-partners and its feasibility...
January 1, 2017: Dementia
https://www.readbyqxmd.com/read/29149497/perceptions-of-general-and-postpresidential-election-discrimination-are-associated-with-loss-of-control-eating-among-racially-ethnically-diverse-young-men
#6
Nichole R Kelly, Tasia M Smith, Gordon C N Hall, Claire Guidinger, Gina Williamson, Elizabeth L Budd, Nicole R Giuliani
OBJECTIVE: The purpose of this study was to examine the association between young men's perceived experiences with discrimination, both general and following the 2016 presidential election, and their loss of control (LOC) eating. The degree to which men identified with their ethnic identity was evaluated as a moderator. METHOD: The sample included 798 men (18-30 years; M = 24.0 ± 3.6) who identified as African American (n = 261), Asian/Asian American (n = 266), or Hispanic/Latino (n = 271)...
November 17, 2017: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/29148605/an-overview-rabbit-hepatitis-e-virus-hev-and-rabbit-providing-an-animal-model-for-hev-study
#7
REVIEW
Lin Wang, Lin Liu, Ling Wang
Hepatitis E virus (HEV) is a single-stranded, positive-sense RNA virus and the causative agent of hepatitis E. The virus belongs to genus Orthohepevirus in the family Hepeviridae, which contains 4 major genotypes closely relating to humans. Genotypes 1 and 2 only infect humans whereas genotypes 3 and 4 HEV are harbored in a wide range of animal species worldwide and are zoonotic to humans. Recently, a novel animal strain of HEV has been isolated in farmed rabbits in China, and subsequently more strains were discovered in the rabbit populations in at least 7 other countries...
November 17, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/29146596/structure-and-function-of-the-leptospira-interrogans-peroxide-stress-regulator-perr-an-atypical-perr-devoid-of-a-structural-metal-binding-site
#8
Mounira Kebouchi, Frederick Saul, Raleb Taher, Annie Landier, Benedicte Beaudeau, Sarah Dubrac, Patrick Weber, Ahmed Haouz, Mathieu Picardeau, Nadia Benaroudj
Peroxide sensing is essential for bacteria survival during aerobic metabolism and host infection. Peroxide stress regulators (PerRs) are homodimeric transcriptional repressors with each monomer typically containing both structural and regulatory metal-binding sites. PerR binding to gene promoters is controlled by the presence of iron in the regulatory site, and iron-catalyzed oxidation of PerR by H2O2 leads to the dissociation of PerR from DNA. In addition to a regulatory metal, most PerRs require a structural metal for proper dimeric assembly...
November 16, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29130166/detection-of-agr-type-autoinducing-peptides-produced-by-staphylococcus-aureus
#9
Ewan J Murray, Paul Williams
Strains of the Gram-positive pathogen Staphylococcus aureus can be divided into four quorum sensing (QS) groups. Membership of each group is defined by the amino acid sequence of the autoinducing peptide (AIP) QS signal molecule that is encoded within the agrBDCA genetic locus and specifically within agrD. This chapter describes the use of simple, in-cell, lux-based, bio-reporters that can be used to identify/confirm the specific agr group to which a particular S. aureus isolate belongs, as well as to assess the timing and quantity of AIP produced...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29126261/heme-promotes-transcriptional-and-demethylase-activities-of-gis1-a-member-of-the-histone-demethylase-jmjd2-kdm4-family
#10
Sneha Lal, Jonathan M Comer, Purna C Konduri, Ajit Shah, Tianyuan Wang, Anthony Lewis, Grant Shoffner, Feng Guo, Li Zhang
The yeast Gis1 protein is a transcriptional regulator belonging to the JMJD2/KDM4 subfamily of demethylases that contain a JmjC domain, which are highly conserved from yeast to humans. They have important functions in histone methylation, cellular signaling and tumorigenesis. Besides serving as a cofactor in many proteins, heme is known to directly regulate the activities of proteins ranging from transcriptional regulators to potassium channels. Here, we report a novel mechanism governing heme regulation of Gis1 transcriptional and histone demethylase activities...
November 6, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29125319/perceptions-of-neighborhood-safety-and-depressive-symptoms-among-older-minority-urban-subsidized-housing-residents-the-mediating-effect-of-sense-of-community-belonging
#11
Judith G Gonyea, Alexandra Curley, Kelly Melekis, Yeonjung Lee
OBJECTIVES: Older minority subsidized housing residents represent a population that is particularly vulnerable to depression. Although research suggests that neighborhood characteristics influence older adults' mental health, it has not been explored in this target population. Drawing on social disorganization and social capital theories, this study's aim was to explore if perceptions of neighborhood safety are associated with depressive symptoms; and, whether a sense of community belonging has a mediating effect on this potential relationship...
November 10, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/29120306/migration-and-social-determinants-of-mental-health-results-from-the-canadian-health-measures-survey
#12
Bukola Salami, Maryna Yaskina, Kathleen Hegadoren, Esperanza Diaz, Salima Meherali, Anu Rammohan, Yoav Ben-Shlomo
OBJECTIVES: Studies worldwide point to increased risk of mental health problems among immigrants. However, the data on Canadian immigrants' mental health are ambiguous. To address this, we examined the relationship of both self-perceived mental health and reported diagnosis of mood disorders with age, gender, migration status, time since migration, and social determinants of health factors. METHODS: We analyzed three cycles of the Canadian Health Measures Survey...
November 9, 2017: Canadian Journal of Public Health. Revue Canadienne de Santé Publique
https://www.readbyqxmd.com/read/29111445/bullying-among-immigrant-and-non-immigrant-early-adolescents-school-and-student-level-effects
#13
Irene Vitoroulis, Katholiki Georgiades
We examined the association between school immigrant concentration and bullying among immigrant and non-immigrant early adolescents, and identified potential explanatory factors. First generation immigrant students had reduced odds of victimization and perpetration in schools with high (20-60%), compared to low, levels of immigrant concentration. Second generation immigrant students had reduced odds of ethnic/racial victimization in moderately concentrated schools; while non-immigrants had increased odds in the same schools...
October 28, 2017: Journal of Adolescence
https://www.readbyqxmd.com/read/29109592/nanomaterial-based-biosensors-for-detection-of-prostate-specific-antigen
#14
Dominika Damborska, Tomas Bertok, Erika Dosekova, Alena Holazova, Lenka Lorencova, Peter Kasak, Jan Tkac
Screening serum for the presence of prostate specific antigen (PSA) belongs to the most common approach for the detection of prostate cancer. This review (with 156 refs.) addresses recent developments in PSA detection based on the use of various kinds of nanomaterials. It starts with an introduction into the field, the significance of testing for PSA, and on current limitations. A first main section treats electrochemical biosensors for PSA, with subsections on methods based on the use of gold electrodes, graphene or graphene-oxide, carbon nanotubes, hybrid nanoparticles, and other types of nanoparticles...
July 14, 2017: Mikrochimica Acta
https://www.readbyqxmd.com/read/29105563/challenges-related-to-migration-and-child-attachment-a-pilot-study-with-south-asian-immigrant-mother-child-dyads
#15
Vanessa Lecompte, Diana Miconi, Cécile Rousseau
This pilot study examined psychological, social and cultural risk factors for child insecure attachment in a sample of South Asian immigrant families experiencing high migration stress in Montreal, Canada. Thirty-three participants were recruited through a local Health and Social Service organization. Maternal anxiety and depression, social support, and national and religious sense of belonging were assessed. Child attachment behaviors were coded from a 15 min free play period. Results indicated that maternal depressive symptoms were related to lower child attachment security scores...
November 6, 2017: Attachment & Human Development
https://www.readbyqxmd.com/read/29102910/mechanical-behavior-of-biopolymer-composite-coatings-on-plastic-films-by-depth-sensing-indentation-a-nanoscale-study
#16
Cesare Rovera, Carlo A Cozzolino, Masoud Ghaani, Davide Morrone, Richard T Olsson, Stefano Farris
Fundamental physical behaviors of materials at the nanoscale level are crucial when local aspects govern the macroscale performance of nanocomposites, e.g., interface and surface phenomena. Because of the increasing interest in biopolymer nanocomposite coatings for many different applications (e.g., optical devices, displays/screens, and packaging), this work investigates the potential of nanoindentation as a method for clarifying the interplay between distinct phases (i.e., organic and inorganic) at local level in thin biopolymer films loaded with nanoparticles...
October 31, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29101040/rv2477c-is-an-antibiotic-sensitive-manganese-dependent-abc-f-atpase-in-mycobacterium-tuberculosis
#17
Jaiyanth Daniel, Liz Abraham, Amanda Martin, Xyryl Pablo, Shelby Reyes
The Rv2477c protein of Mycobacterium tuberculosis (Mtb) belongs to the ATP-binding cassette (ABC) subfamily F that contains proteins with tandem nucleotide-binding domains but lacking transmembrane domains. ABC-F subfamily proteins have been implicated in diverse cellular processes such as translation, antibiotic resistance, cell growth and nutrient sensing. In order to investigate the biochemical characteristics of Rv2477c, we expressed it in Escherichia coli, purified it and characterized its enzymatic functions...
October 31, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29095142/high-mortality-of-bloodstream-infection-outbreak-caused-by-carbapenem-resistant-p-aeruginosa-producing-spm-1-in-a-bone-marrow-transplant-unit
#18
Lucas Chaves, Lísia Moura Tomich, Matias Salomão, Gleice Cristina Leite, Jessica Ramos, Roberta Ruedas Martins, Camila Rizek, Patricia Neves, Marjorie Vieira Batista, Ulysses Amigo, Thais Guimaraes, Anna Sara Levin, Silvia Figueiredo Costa
PURPOSE: Carbapenem resistance in P. aeruginosa is increasing worldwide. In Brazil, SPM-1 is the main P. aeruginosa carbapenemase identified. Little is known about the virulence factor in SPM-1 clones.Methodolgy. We describe a carbapenem-resistant P. aeruginosa bloodstream infection (CRPa-BSI) outbreak in a bone marrow transplant Unit (BMT). Twenty-nine CRPa-BSI cases were compared to 58 controls. Microbiological characteristics of isolates, such as sensitivity, carbapenemase gene PCR for P...
November 2, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29094119/an-active-structure-preservation-method-for-developing-functional-graphitic-carbon-dots-as-an-effective-antibacterial-agent-and-a-sensitive-ph-and-al-iii-nanosensor
#19
Peng Hou, Tong Yang, Hui Liu, Yuan Fang Li, Cheng Zhi Huang
Functional engineering is a crucial prerequisite for specific and wide applications of optical probes. In this study, we proposed a facile active structure preservation (ASP) method to directly develop new self-functional graphitic carbon dots (g-CDs) through a hydrothermal synthesis route by taking ciprofloxacin hydrochloride, an antibiotic belonging to a group of fluoroquinolone drugs, as an example. To retain the functional structures of the starting materials, the reaction temperature is intentionally controlled below the decomposition temperature of the reactants that hold the functional groups...
November 16, 2017: Nanoscale
https://www.readbyqxmd.com/read/29092784/ask-family-in-infection-and-inflammatory-disease
#20
REVIEW
Tomohiko Okazaki
Living organisms are continuously exposed to pathogens such as viruses and bacteria. Soon after a limited number of germline-encoded receptors, called pathogen recognition receptors, sense pathogen-associated molecular patterns, hosts trigger innate immune responses, including production of type Ⅰ interferons, proinflammatory cytokines, and cellular apoptosis, to limit propagation of invading pathogens. Importantly, these host responses are also activated during inflammatory diseases, irrespective of pathogen infection, and often play a causal role in pathogenesis and progression of these diseases, thereby implying an intimate link between immune responses and inflammatory disease...
October 14, 2017: Advances in Biological Regulation
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