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https://www.readbyqxmd.com/read/28813673/multipotent-basal-stem-cells-maintained-in-localized-proximal-niches-support-directed-long-ranging-epithelial-flows-in-human-prostates
#1
Mohammad Moad, Edouard Hannezo, Simon J Buczacki, Laura Wilson, Amira El-Sherif, David Sims, Robert Pickard, Nicholas A Wright, Stuart C Williamson, Doug M Turnbull, Robert W Taylor, Laura Greaves, Craig N Robson, Benjamin D Simons, Rakesh Heer
Sporadic mitochondrial DNA mutations serve as clonal marks providing access to the identity and lineage potential of stem cells within human tissues. By combining quantitative clonal mapping with 3D reconstruction of adult human prostates, we show that multipotent basal stem cells, confined to discrete niches in juxta-urethral ducts, generate bipotent basal progenitors in directed epithelial migration streams. Basal progenitors are then dispersed throughout the entire glandular network, dividing and differentiating to replenish the loss of apoptotic luminal cells...
August 15, 2017: Cell Reports
https://www.readbyqxmd.com/read/28813504/effect-of-co2-induced-seawater-acidification-on-growth-photosynthesis-and-inorganic-carbon-acquisition-of-the-harmful-bloom-forming-marine-microalga-karenia-mikimotoi
#2
Shunxin Hu, Bin Zhou, You Wang, Ying Wang, Xinxin Zhang, Yan Zhao, Xinyu Zhao, Xuexi Tang
Karenia mikimotoi is a widespread, toxic and non-calcifying dinoflagellate, which can release and produce ichthyotoxins and hemolytic toxins affecting the food web within the area of its bloom. Shifts in the physiological characteristics of K. mikimotoi due to CO2-induced seawater acidification could alter the occurrence, severity and impacts of harmful algal blooms (HABs). Here, we investigated the effects of elevated pCO2 on the physiology of K. mikimotoi. Using semi-continuous cultures under controlled laboratory conditions, growth, photosynthesis and inorganic carbon acquisition were determined over 4-6 week incubations at ambient (390ppmv) and elevated pCO2 levels (1000 ppmv and 2000 ppmv)...
2017: PloS One
https://www.readbyqxmd.com/read/28813423/health-needs-and-care-seeking-behaviours-of-yazidis-and-other-minority-groups-displaced-by-isis-into-the-kurdistan-region-of-iraq
#3
Valeria Cetorelli, Gilbert Burnham, Nazar Shabila
BACKGROUND: During the summer of 2014, ISIS overran Nineveh governorate in Northern Iraq. Yazidis and other religious minorities were subjected to brutal attacks and forced to seek refuge into the neighbouring Kurdistan Region, where they remain living in local communities or in camps. This survey provides a population-based assessment of the health needs and care seeking behaviours of Yazidis and other groups currently residing in camps. METHODS: The survey covered 13 camps managed by the Kurdish Board of Relief and Humanitarian Affairs...
2017: PloS One
https://www.readbyqxmd.com/read/28813290/same-sex-relationships-and-minority-stress
#4
REVIEW
Sharon Scales Rostosky, Ellen Db Riggle
Same-sex relationships are stigmatized in a culture that privileges heterosexual relationships. This stigma creates minority stress in the lives of same-sex couples. We review current research on minority stress and same-sex relationships using an ecological framework to conceptualize the sources of minority stress that impact couples. Findings from this review suggest a need for research that moves conceptually and methodologically beyond a focus on the individual to a focus on the dyad and the interpersonal, institutional, and cultural sources of minority stress that affect couple relationships...
February 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28813265/parenting-and-globalization-in-western-countries-explaining-differences-in-parent-child-interactions
#5
REVIEW
Mariëlle Jl Prevoo, Catherine S Tamis-LeMonda
We review research on intra-cultural differences in parenting, and the sources of those differences. Ethnic-minority parents differ from majority parents in parenting values, childrearing goals and resources-differences that affect parenting practices and children's development. Within-country comparisons indicate less sensitivity, more authoritarian discipline, less child-focused communications, and less engagement in learning activities in ethnic-minority compared to ethnic-majority parents, which help account for disparities in children...
June 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28813172/rabbit-neutering-in-primary-care-education-insights-from-a-surgical-clinic
#6
Livia Benato, Jennifer Hammond
Involvement in canine and feline surgical neutering clinics is generally considered to be a key element of primary-care veterinary education, yet opportunities for veterinary students to develop their surgical skills with rabbit patients are uncommon. This is despite the fact that rabbits are currently estimated to be the third-most popular companion animal species and the fact that the British Small Animal Veterinary Association (BSAVA) recommends that all non-breeding rabbits be neutered soon after they attain sexual maturity...
August 16, 2017: Journal of Veterinary Medical Education
https://www.readbyqxmd.com/read/28813137/site-a-mediated-partial-unfolding-of-cytochrome-c-on-cardiolipin-vesicles-is-species-dependent-and-does-not-require-lys72
#7
Margaret M Elmer-Dixon, Bruce E Bowler
Measurements at pH 8 allow evaluation of binding of 100% cardiolipin vesicles to site A of cytochrome c without interference from other known binding sites. Site A encompasses Lys72, Lys73, Lys86 and Lys87, located in or adjacent to Ω-loop D (residues 70-85), which positions Met80 for binding to the heme. Binding of cytochrome c to cardiolipin disrupts Met80 heme binding, permitting peroxidase activity. Cardiolipin binding to yeast iso-1-cytochrome c versus human cytochrome c is compared to assess how cardiolipin binding to site A has evolved for cytochrome c from species that do not have a complete intrinsic apoptotic pathway to species that do...
August 16, 2017: Biochemistry
https://www.readbyqxmd.com/read/28812661/human-population-growth-offsets-climate-driven-increase-in-woody-vegetation-in-sub-saharan-africa
#8
Martin Brandt, Kjeld Rasmussen, Josep Peñuelas, Feng Tian, Guy Schurgers, Aleixandre Verger, Ole Mertz, John R B Palmer, Rasmus Fensholt
The rapidly growing human population in sub-Saharan Africa generates increasing demand for agricultural land and forest products, which presumably leads to deforestation. Conversely, a greening of African drylands has been reported, but this has been difficult to associate with changes in woody vegetation. There is thus an incomplete understanding of how woody vegetation responds to socio-economic and environmental change. Here we used a passive microwave Earth observation data set to document two different trends in land area with woody cover for 1992-2011: 36% of the land area (6,870,000 km(2)) had an increase in woody cover largely in drylands, and 11% had a decrease (2,150,000 km(2)), mostly in humid zones...
March 6, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28812556/coupling-phenotypic-persistence-to-dna-damage-increases-genetic-diversity-in-severe-stress
#9
Gilad Yaakov, David Lerner, Kajetan Bentele, Joseph Steinberger, Naama Barkai
Mutation rate balances the need to protect genome integrity with the advantage of evolutionary innovations. Microorganisms increase their mutation rate when stressed, perhaps addressing the growing need for evolutionary innovation. Such a strategy, however, is only beneficial under moderate stresses that allow cells to divide and realize their mutagenic potential. In contrast, severe stresses rapidly kill the majority of the population with the exception of a small minority of cells that are in a phenotypically distinct state termed persistence...
January 4, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28812454/risk-factors-for-intrapartum-acidemia-a-cohort-study
#10
Stina Wretler, Lennart Nordström, Sophie Graner, Malin Holzmann
PURPOSE: Birth acidemia is associated with short- and long-term morbidity in the child. Optimal intrapartum surveillance and timely interventions may reduce the incidence of these outcomes. Knowledge about conditions which increase the risks might be beneficial for optimal care. The aim with this study was to identify factors which increased the risk for lactacidemia in fetal scalp blood. MATERIALS AND METHODS: A secondary analysis of a cohort study performed at Karolinska University Hospital Stockholm Sweden between February 2009 and February 2011...
August 16, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28812414/adipokine-genes-and-radiographic-hand-osteoarthritis-in-finnish-women-a-cross-sectional-study
#11
S Hämäläinen, S Solovieva, T Vehmas, A Hirvonen, P Leino-Arjas
OBJECTIVES: Available evidence suggests that genetic factors and overweight play major roles in the aetiology of osteoarthritis (OA). We analysed the association of 18 single-nucleotide polymorphisms (SNPs) from nine adipokine and adipokine receptor genes (LEP, LEPR, ADIPOQ, RETN, NAMPT, SERPINA12, ITLN1, RARRES2, and APLN) with radiographic hand OA. METHOD: The study design was cross-sectional. Bilateral hand radiographs of 542 occupationally active Finnish female dentists and teachers aged 45-63 years were examined and classified for the presence of hand OA using reference images...
August 16, 2017: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/28812385/increased-acetaminophen-related-calls-to-finnish-pic-better-reflect-acetaminophen-sales-than-serious-poisonings
#12
Mikko J Parry, Helena Isoniemi, Anna-Maria Koivusalo, Kalle Hoppu
OBJECTIVE: Acetaminophen (APAP) or paracetamol is a commonly encountered medicine in poisonings. We studied the changes in APAP related calls to the Finnish poison information centre (FPIC), and serious intoxications, involving hepatotoxicity or death in 2001-2014. These data were compared with paracetamol sales in Finland. METHODS: This is a retrospective analysis of the FPIC database calls, national cause of death registry, registries of liver transplantations and molecular adsorbent recycling system (MARS)-treated patients from Helsinki University Hospital together with the National Institute of Health and Welfare registry of patients hospitalized...
August 16, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28812381/retrospective-review-of-sglt2-inhibitor-exposures-reported-to-13-poison-centers
#13
Scott E Schaeffer, Carol DesLauriers, Henry A Spiller, Alfred Aleguas, Salvador Baeza, Mark L Ryan
BACKGROUND: SGLT2 inhibitors are a new class of oral antidiabetics prescribed in the United States since 2013. They act by inhibiting reabsorption of glucose in the proximal convoluted tubule of the kidney, allowing excess glucose to be excreted. Little has been reported regarding effects of non-therapeutic exposure to this class of medication. METHODS: Retrospective records from 13 poison centers were examined for human exposures to SGLT2 inhibitors between 1st January 2013 and 31st December 2016...
August 16, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28812330/black-and-minority-ethnic-group-involvement-in-health-and-social-care-research-a-systematic-review
#14
REVIEW
Shoba Dawson, Stephen M Campbell, Sally J Giles, Rebecca L Morris, Sudeh Cheraghi-Sohi
BACKGROUND: Patient and public involvement (PPI) in research is growing internationally, but little is known about black and minority ethnic (BME) involvement and the factors influencing their involvement in health and social care research. OBJECTIVES: To characterize and critique the empirical literature on BME-PPI involvement in health and social care research. SEARCH STRATEGY: Systematic searches of six electronic bibliographic databases were undertaken, utilizing both MeSH and free-text terms to identify international empirical literature published between 1990 and 2016...
August 15, 2017: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/28812287/racial-discrimination-and-mental-health-in-the-usa-testing-the-reverse-racism-hypothesis
#15
Bongki Woo
OBJECTIVE: The present study examined whether the health disadvantages consequent of racial discrimination experienced by four racial/ethnic minority groups are equivalent with that of the dominant racial group. METHOD: Data was derived from the 2013 National Epidemiologic Survey on Alcohol and Related Conditions. Logistic regression and heterogeneous choice models were used to test the moderating role of race/ethnicity in regards to the associations between racial discrimination and ten DSM-V diagnoses...
August 15, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28812239/social-status-discrimination-and-minority-individuals-mental-health-a-secondary-analysis-of-us-national-surveys
#16
Celia C Lo, Tyrone C Cheng
OBJECTIVES: Our study measured minority individuals' social status factors and frequency of discrimination experiences, in order to delineate social mechanisms linking race/ethnicity to mental status (specifically, to current mood/anxiety disorder and self-rated mental health). METHODS: In this nationally representative secondary research, our data analyses drew on the cross-sectional "Collaborative Psychiatric Epidemiology Surveys," dating 2001-2003. The sample for the final model numbered 9368 respondents (2016 Asians, 2676 Latinos, 4676 blacks)...
August 15, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28812167/superficial-hemangioma-is-better-treated-by-topical-5-aminolevulinic-followed-by-595-nm-pulsed-dye-laser-therapy-rather-than-595-nm-laser-therapy-alone
#17
Ming Zeng, Songke Shen, Wei Chen, Chunjun Yang, ShengXiu Liu
The aim of this study was to compare the efficacy and adverse effects of a 595-nm pulsed dye laser therapy alone (PDL alone) with a 5-aminolevulinic (5-ALA) local application followed by a 595-nm PDL (5-ALA PDL) in the treatment of superficial hemangioma (SH). A prospectively randomized study in 181 patients with SH was carried out over a period of 24 months. One hundred and ninety-three patients were seen. One hundred and eighty-one patients with SH were enrolled, of which 165 completed final follow-up. One hundred and nineteen patients received PDL alone and 46 received 5-ALA PDL...
August 16, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28812136/clinical-outcomes-of-y90-radioembolization-for-recurrent-hepatocellular-carcinoma-following-curative-resection
#18
Rehan Ali, Ahsun Riaz, Ahmed Gabr, Nadine Abouchaleh, Ronald Mora, Ali Al Asadi, Juan Carlos Caicedo, Michael Abecassis, Nitin Katariya, Haripriya Maddur, Laura Kulik, Robert J Lewandowski, Riad Salem
PURPOSE: To assess safety/efficacy of yttrium-90 radioembolization (Y90) in patients with recurrent hepatocellular carcinoma (HCC) following curative surgical resection. METHODS: With IRB approval, we searched our prospectively acquired database for patients that were treated with Y90 for recurrent disease following resection. Baseline characteristics and bilirubin toxicities following Y90 were evaluated. Intention-to-treat overall survival (OS) and time-to-progression (TTP) from Y90 were assessed...
August 15, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28811967/il-18-receptor-marks-functional-cd8-t-cells-in-non-small-cell-lung-cancer
#19
Eleonora Timperi, Chiara Focaccetti, Daniela Gallerano, Mariangela Panetta, Sheila Spada, Enzo Gallo, Paolo Visca, Federico Venuta, Daniele Diso, Arsela Prelaj, Flavia Longo, Francesco Facciolo, Paola Nisticò, Vincenzo Barnaba
IL-18 is an inflammasome-related cytokine, member of the IL-1 family, produced by a wide range of cells in response to signals by several pathogen- or damage-associated molecular patterns. It can be highly represented in tumor patients, but its relevance in human cancer development is not clear. In this study, we provide evidence that IL-18 is principally expressed in tumor cells and, in concert with other conventional Th1 cell-driven cytokines, has a pivotal role in establishing a pro-inflammatory milieu in the tumor microenvironment of human non-small cell lung cancer (NSCLC)...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28811820/modified-mahalanobis-taguchi-system-for-imbalance-data-classification
#20
Mahmoud El-Banna
The Mahalanobis Taguchi System (MTS) is considered one of the most promising binary classification algorithms to handle imbalance data. Unfortunately, MTS lacks a method for determining an efficient threshold for the binary classification. In this paper, a nonlinear optimization model is formulated based on minimizing the distance between MTS Receiver Operating Characteristics (ROC) curve and the theoretical optimal point named Modified Mahalanobis Taguchi System (MMTS). To validate the MMTS classification efficacy, it has been benchmarked with Support Vector Machines (SVMs), Naive Bayes (NB), Probabilistic Mahalanobis Taguchi Systems (PTM), Synthetic Minority Oversampling Technique (SMOTE), Adaptive Conformal Transformation (ACT), Kernel Boundary Alignment (KBA), Hidden Naive Bayes (HNB), and other improved Naive Bayes algorithms...
2017: Computational Intelligence and Neuroscience
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