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https://www.readbyqxmd.com/read/28533307/sox11-promotes-tumor-protective-microenvironment-interactions-through-cxcr4-and-fak-regulation-in-mantle-cell-lymphoma
#1
Patricia Balsas, Jara Palomero, Álvaro Eguileor, Marta Leonor Rodriguez, Maria Carmela Vegliante, Ester Planas-Rigol, Marta Sureda-Gómez, Maria C Cid, Elias Campo, Virginia Amador
SOX11 overexpression in Mantle Cell Lymphoma (MCL) has been associated with more aggresive behavior and worse outcome. However, SOX11 oncogenic pathways driving MCL tumor progression are poorly known. Here, we demonstrate that SOX11 binds to regulatory regions of two important genes for microenvironment-signals in cancer, (C-X-C motif) chemokine receptor 4 (CXCR4) and PTK2 (encoding for focal adhesion kinase (FAK)). Moreover, SOX11-positive xenograft and human primary MCL tumors overexpress cell migration and stromal stimulation gene signatures compared to their SOX11-negative counterparts...
May 22, 2017: Blood
https://www.readbyqxmd.com/read/28530499/the-duality-of-oral-sex-for-men-who-have-sex-with-men-an-examination-into-the-increase-of-sexually-transmitted-infections-amid-the-age-of-hiv-prevention
#2
Tiffany R Glynn, Don Operario, Madeline Montgomery, Alexi Almonte, Philip A Chan
Several studies suggest that the increase in sexually transmitted infections (STIs) among men who have sex with men (MSM) could be due, in part, to human immunodeficiency virus (HIV) risk reduction strategies, which include engaging in oral sex over anal sex. The aims of this study were to evaluate oral sex behaviors and STI diagnoses and to investigate the potential dual role of oral sex as being protective for HIV, yet perpetuating STI transmission among MSM. We analyzed records from 871 MSM presenting to the Rhode Island STI Clinic between 2012 and 2015...
May 22, 2017: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/28526869/blocking-of-carnitine-palmitoyl-transferase-1-potently-reduces-stress-induced-depression-in-rat-highlighting-a-pivotal-role-of-lipid-metabolism
#3
Anne Skøttrup Mørkholt, Ove Wiborg, Jette G K Nieland, Søren Nielsen, John Dirk Nieland
Major depressive disorder is a complex and common mental disease, for which the pathology has not been elucidated. The purpose of this study is to provide knowledge about the importance of mitochondrial dysfunction, dysregulated lipid metabolism and inflammation. Mitochondrial carnitine palmitoyl transferase 1a (CPT1a) is a key molecule involved in lipid metabolism and mutations in CPT1a causing reduced function is hypothesized to have a protective role in the development of depression. Moreover, CPT1a is found to be upregulated in suicide patients with history of depression...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28526035/microblogging-violent-attacks-on-medical-staff%C3%A2-in-china-a-case-study-of-the-longmen-county-people-s-hospital-incident
#4
Jia Tian, Li Du
BACKGROUND: A violent attack on medical staff in Guangdong Province, in which a female doctor at Longmen County People's Hospital (LCPH) was severely injured by a knife-wielding patient, has drawn significant public attention to the phenomenon of hospital violence and initiated discussions on how to resolve violence in hospitals. Social networking sites, such as Sina Weibo, a Chinese version of Twitter, have played a role in this public debate. The incident at LCPH provides an opportunity to examine how Weibo has been used in the debate about violence against medical staff in China...
May 19, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28523564/prenatal-and-early-postnatal-environmental-enrichment-reduce-acute-cell-death-and-prevent-neurodevelopment-and-memory-impairments-in-rats-submitted-to-neonatal-hypoxia-ischemia
#5
L E Durán-Carabali, D M Arcego, F K Odorcyk, L Reichert, J L Cordeiro, E F Sanches, L D Freitas, C Dalmaz, A Pagnussat, C A Netto
Environmental enrichment (EE) is an experimental strategy to attenuate the negative effects of different neurological conditions including neonatal hypoxia ischemia encephalopathy (HIE). The aim of the present study was to investigate the influence of prenatal and early postnatal EE in animals submitted to neonatal HIE model at postnatal day (PND) 3. Wistar rats were housed in EE or standard conditions (SC) during pregnancy and lactation periods. Pups of both sexes were assigned to one of four experimental groups, considering the early environmental conditions and the injury: SC-Sham, SC-HIE, EE-sham, and EE-HIE...
May 18, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28523230/targeting-resolution-of-neuroinflammation-after-ischemic-stroke-with-a-lipoxin-a4-analog-protective-mechanisms-and-long-term-effects-on-neurological-recovery
#6
Kimberly E Hawkins, Kelly M DeMars, Jon C Alexander, Lauren G de Leon, Sean C Pacheco, Christina Graves, Changjun Yang, Austin O McCrea, Jan C Frankowski, Timothy J Garrett, Marcelo Febo, Eduardo Candelario-Jalil
BACKGROUND: Resolution of inflammation is an emerging new strategy to reduce damage following ischemic stroke. Lipoxin A4 (LXA 4) is an anti-inflammatory, pro-resolution lipid mediator that reduces neuroinflammation in stroke. Since LXA 4 is rapidly inactivated, potent analogs have been synthesized, including BML-111. We hypothesized that post-ischemic, intravenous treatment with BML-111 for 1 week would provide neuroprotection and reduce neurobehavioral deficits at 4 weeks after ischemic stroke in rats...
May 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28512441/mapping-the-paths-from-styles-of-anger-experience-and-expression-to-obsessive-compulsive-symptoms-the-moderating-roles-of-family-cohesion-and-adaptability
#7
Liang Liu, Cuilian Liu, Xudong Zhao
Previous research has shown strong connections of anger experience and expression with obsessive-compulsive (OC) symptoms. Additionally, studies have demonstrated links between family environment variables and obsessive-compulsive disorder (OCD). Our study aims to integrate the perspectives from these two literatures by exploring the moderating roles of family cohesion and family adaptability in the relationship between anger proneness and suppression and OCD symptoms. A total of 2008 college students were recruited from a comprehensive university in Shanghai, China between February and May 2016...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28508155/retention-of-south-african-adolescents-in-a-54-month-longitudinal-hiv-risk-reduction-trial
#8
Larry D Icard, John B Jemmott, Craig Carty, Ann O'Leary, Lulama Sidloyi, Janet Hsu, JoAnn Tyler, Omar Martinez
Retention of participants in clinical trials is a central concern of HIV/STI behavioral researchers and research sponsors. This article describes the strategies used for addressing the challenges in retaining South African adolescents for a 54-month longitudinal study. The objective of the South African adolescent health promotion long-term follow-up trial was to test the sustainability of the effects of an HIV/STI risk reduction intervention, "Let Us Protect Our Future," on young adolescents as they aged into middle and late adolescence...
May 15, 2017: Prevention Science: the Official Journal of the Society for Prevention Research
https://www.readbyqxmd.com/read/28503353/a-systematic-review-of-reproductive-coercion-in-international-settings
#9
Karen Trister Grace, Christina Fleming
Reproductive coercion is behavior that interferes with a woman's autonomous reproductive decision-making. It may take the form of birth control sabotage, pregnancy coercion, or controlling the outcome of a pregnancy. Perpetrators may be partners, a partner's family, or the woman's family. This article reviews the literature on reproductive coercion in international settings. In this review of 10 research studies, findings are presented on prevalence and type of reproductive coercion, associated factors, specific tactics, relationship with intimate partner violence and domestic violence (in-laws particularly), and implications for women's reproductive health...
December 2016: World Medical & Health Policy
https://www.readbyqxmd.com/read/28498835/is-traditional-male-circumcision-effective-as-an-hiv-prevention-strategy-evidence-from-lesotho
#10
Elisa M Maffioli
In many developing countries, male circumcision has been promoted as an effective HIV prevention strategy, and medical randomized controlled trials have indeed shown a causal link. However, there is limited empirical evidence to support this conclusion in countries where individuals can voluntary opt for different types of circumcision. The present study considers male circumcision in Lesotho, where HIV prevalence is among the highest in the world (23%). Here, men can opt for one of two types of circumcision: traditional male circumcision in initiation schools, or the medical option in health clinics...
2017: PloS One
https://www.readbyqxmd.com/read/28497960/using-dynamic-covalent-chemistry-to-drive-morphological-transitions-controlled-release-of-encapsulated-nanoparticles-from-block-copolymer-vesicles
#11
Renhua Deng, Matthew J Derry, Charlotte J Mable, Yin Ning, Steven P Armes
Dynamic covalent chemistry is exploited to drive morphological order-order transitions to achieve the controlled release of a model payload (e.g., silica nanoparticles) encapsulated within block copolymer vesicles. More specifically, poly(glycerol monomethacrylate)-poly(2-hydroxypropyl methacrylate) (PGMA-PHPMA) diblock copolymer vesicles were prepared via aqueous polymerization-induced self-assembly in either the presence or absence of silica nanoparticles. Addition of 3-aminophenylboronic acid (APBA) to such vesicles results in specific binding of this reagent to some of the pendent cis-diol groups on the hydrophilic PGMA chains to form phenylboronate ester bonds in mildly alkaline aqueous solution (pH ∼ 10)...
May 23, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28496954/sexual-risk-behaviors-constructed-in-iranian-women-s-life-with-substance-use-disorders-a-new-implication-of-human-ecological-theory
#12
Mansoureh Jamshidimanesh, Seyed Abbas Mousavi, Effat Merghati-Khoei, Mohammad Hassan Emamian, Afsaneh Keramat
BACKGROUND: Drug abuse is one of the important variables influencing protective sexual behavior. The objective of this study was to explore how risky sexual behaviors develop in drug abusing women using human ecological theory. METHODS: In this study, we used a descriptive exploratory approach. The participants were 32 drug abusing women from two of the selected drop-in centers (DICs) in south Tehran, Iran, where we could have access to a vast number of female drug users...
July 2016: Addiction & Health
https://www.readbyqxmd.com/read/28495306/long-term-effects-of-enriched-environment-following-neonatal-hypoxia-ischemia-on-behavior-bdnf-and-synaptophysin-levels-in-rat-hippocampus-effect-of-combined-treatment-with-g-csf
#13
Myrsini Griva, Rosa Lagoudaki, Olga Touloumi, Evangelia Nousiopoulou, Filippos Karalis, Thomas Georgiou, Georgia Kokaraki, Constantina Simeonidou, Despina A Tata, Evangelia Spandou
Increasing evidence shows that exposure to an enriched environment (EE) is neuroprotective in adult and neonatal animal models of brain ischemia. However, the mechanisms underlying this effect remain unclear. The aim of the current study was to investigate whether post-weaning EE would be effective in preventing functional deficits and brain damage by affecting markers of synaptic plasticity in a neonatal rat model of hypoxia-ischemia (HI). We also examined the possibility that granulocyte-colony stimulating factor (G-CSF), a growth factor with known neuroprotective effects in a variety of experimental brain injury models, combined with EE stimulation could enhance the potential beneficial effect of EE...
May 8, 2017: Brain Research
https://www.readbyqxmd.com/read/28485823/effects-of-aphidius-gifuensis-on-the-feeding-behavior-and-potato-virus-y-transmission-ability-of-myzus-persicae
#14
Ying-Qin He, Yong-Qiang Zhang, Juan-Ni Chen, Wen-Long Chen, Xian-Yi Zeng, Hai-Tao Chen, Wei Ding
The stylet penetration behavior of aphids when feeding on plants is associated with virus acquisition and inoculation. Aphidius gifuensis (Ashmead) is a primary endoparasitoid of Myzus persicae (Sulzer) which is the most efficient vector of plant viruses. Information about the effects of parasitoid on aphid and virus transmission can provide an essential foundation for designing effective biological control strategies. This study aimed to investigate the effects of A. gifuensis on the feeding behavior and Potato virus Y (PVY) transmission ability of M...
May 9, 2017: Insect Science
https://www.readbyqxmd.com/read/28480744/psychometric-assessment-of-the-processes-of-change-scale-for-sun-protection
#15
Marie A Sillice, Steven F Babbin, Colleen A Redding, Joseph S Rossi, Andrea L Paiva, Wayne F Velicer
The fourteen-factor Processes of Change Scale for Sun Protection assesses behavioral and experiential strategies that underlie the process of sun protection acquisition and maintenance. Variations of this measure have been used effectively in several randomized sun protection trials, both for evaluation and as a basis for intervention. However, there are no published studies, to date, that evaluate the psychometric properties of the scale. The present study evaluated factorial invariance and scale reliability in a national sample (N = 1360) of adults involved in a Transtheoretical model tailored intervention for exercise and sun protection, at baseline...
May 7, 2017: Psychology, Health & Medicine
https://www.readbyqxmd.com/read/28480587/melatonin-successfully-rescues-hippocampal-bioenergetics-and-improves-cognitive-function-following-drug-intoxication-by-promoting-nrf2-are-signaling-activity
#16
Li-You Chen, Ting-Yi Renn, Wen-Chieh Liao, Fu-Der Mai, Ying-Jui Ho, George Hsiao, Ai-Wei Lee, Hung-Ming Chang
Prolonged exposure to gamma-hydroxybutyric acid (GHB) would cause drug intoxication in which impaired cognitive function results from enhanced hippocampal oxidative stress may serve as a major symptom in this deficiency. Considering melatonin possesses significant anti-oxidative efficacy, present study aims to determine whether melatonin would successfully promote the Nrf2-ARE signaling, depress oxidative stress, and rescue hippocampal bioenergetics and cognitive function following drug intoxication injury...
May 8, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28474412/mental-health-literacy-in-korean-older-adults-a-cross-sectional-survey
#17
Young Sun Kim, Hee Yun Lee, Mi Hwa Lee, Tina Simms, Byung Hyun Park
INTRODUCTIO: Korea is experiencing rapid population aging, spurring an increased need for mental health services for the elderly. Approximately one-third of Korean older adults experience depressive symptoms, and Korea has the highest elder suicide rate among 34 developed nations. Mental health literacy is an important component of promoting mental health, yet studies on the concept have been conducted in few countries. AIM: This study examines the level of mental health literacy among Korean older adults, and identifies factors associated with their mental health literacy...
May 5, 2017: Journal of Psychiatric and Mental Health Nursing
https://www.readbyqxmd.com/read/28467013/biomimetic-coating-of-crosslinked-gelatin-to-improve-mechanical-and-biological-properties-of-electrospun-pet-a-promising-approach-for-small-caliber-vascular-graft-applications
#18
Daniele Pezzoli, Elisa Cauli, Pascale Chevallier, Silvia Farè, Diego Mantovani
Electrospun PET (ePET) is a promising material for small caliber vascular graft applications owing to its tunable mechanical properties, biocompatibility and nanofibrous structure that mimics the morphology of natural extracellular matrix. However, the inherent inertness of PET impairs the adhesion and proliferation of endothelial cells on the inner surface of ePET tubular grafts, hindering the formation of a functional endothelium. Gelatin coatings, owing to their ability to promote endothelialization, are a valuable approach to overcome the limitations of ePET...
May 3, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28456939/genetic-mutation-of-glun2b-protects-brain-cells-against-stroke-damages
#19
Na Tang, Jianhua Wu, Houze Zhu, Honglin Yan, Yu Guo, You Cai, Huanhuan Yan, Yan Shi, Shu Shu, Lei Pei, Youming Lu
Immediately following ischemia, glutamate accumulates in the extracellular space and results in extensive stimulation of its receptors including N-methyl-D-aspartate (NMDA) and α-amino-3-hydroxy-5-methyl-4-isoxazole-propionic acid (AMPA) receptors. A large amount of Ca(2+) influx directly through the receptor-gated ion channels which leads to Ca(2+) overload and triggers several downstream lethal reactions. As a result, cell dies via apoptosis or necrosis, or both. Death-associated protein kinase 1 (DAPK1) physically and functionally interacts with the NMDA receptor GluN2B subunit at extra-synaptic sites and this interaction acts as a central mediator for stroke damage...
April 29, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28451434/a-few-long-versus-many-short-foraging-trips-different-foraging-strategies-of-lesser-kestrel-sexes-during-breeding
#20
Jesús Hernández-Pliego, Carlos Rodríguez, Javier Bustamante
BACKGROUND: In species with biparental care both members of the breeding pair cooperate to raise the offspring either by assisting each other in every reproductive task or by specializing in different ones. The latter case is known as reproductive role specialization. Raptors are considered one of the most role-specialized groups, but little is known about parental behavior away from the nest. Until the advent of biologgers, avian role specialization was traditionally studied with direct observations at the nest because of the difficulties of following and recording the behavior of free-ranging individuals...
2017: Movement Ecology
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