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https://www.readbyqxmd.com/read/28441755/role-of-rheb-in-regulating-differentiation-fate-of-mesenchymal-stem-cells-for-cartilage-and-bone-regeneration
#1
Sajjad Ashraf, In-Bo Han, Hansoo Park, Soo-Hong Lee
Advances in mesenchymal stem cells (MSCs) and cell replacement therapies are promising approaches to treat cartilage and bone defects since substantial differentiation capacities of MSCs match the demands of tissue regeneration. Our understanding of the dynamic process requiring indispensable differentiation of MSCs remains limited. Herein, we describe the role of RHEB (Ras homolog enriched in brain) regulating gene signature for differentiation of human adipose derived mesenchymal stem cells (ASCs) into chondrogenic, osteogenic, and adipogenic lineages...
April 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28441530/aubergine-controls-germline-stem-cell-self-renewal-and-progeny-differentiation-via-distinct-mechanisms
#2
Xing Ma, Xiujuan Zhu, Yingying Han, Benjamin Story, Trieu Do, Xiaoqing Song, Su Wang, Ying Zhang, Marco Blanchette, Madelaine Gogol, Kate Hall, Allison Peak, Perera Anoja, Ting Xie
Piwi family protein Aubergine (Aub) maintains genome integrity in late germ cells of the Drosophila ovary through Piwi-associated RNA-mediated repression of transposon activities. Although it is highly expressed in germline stem cells (GSCs) and early progeny, it remains unclear whether it plays any roles in early GSC lineage development. Here we report that Aub promotes GSC self-renewal and GSC progeny differentiation. RNA-iCLIP results show that Aub binds the mRNAs encoding self-renewal and differentiation factors in cultured GSCs...
April 24, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28441444/contexts-of-occurrence-of-child-malnutrition-in-the-district-of-villaguay-entre-r%C3%A3-os-argentina-a-multivariate-analysis
#3
María Laura Bergel Sanchís, María Florencia Cesani, Evelia Edith Oyhenart
The analysis of nutritional status is anthropologically important to address the complex interaction of biological, social, political, economic and cultural factors. To deepen the knowledge about contexts of occurrence of child malnutrition, we analyzed nutritional status in relation to socio-environmental conditions of residence in children between three and six years from Villaguay, Entre Ríos, Argentina. We performed a cross-sectional study of 1,435 school children of both sexes. Body weight and height were measured and prevalence of low height/age (LH/A), low weight/age (LW/A), low BMI/age (LBMI/A), overweight (Ow) and obesity (Ob) was calculated using World Health Organization reference charts...
2017: PloS One
https://www.readbyqxmd.com/read/28441421/high-prevalence-of-mrsa-and-esbl-among-asylum-seekers-in-the-netherlands
#4
Sofanne J Ravensbergen, Matthijs Berends, Ymkje Stienstra, Alewijn Ott
Migration is one of the risk factors for the spread of multidrug-resistant organisms (MDRO). The increasing influx of migrants challenges local health care systems. To provide evidence for both hospital hygiene measure and empirical antibiotic therapy, we analysed all cultures performed in asylum seekers between January 1st 2014 and December 31st 2015 for methicillin resistant Staphylococcus aureus (MRSA) and for multidrug-resistant Enterobacteriaceae (MDRE). We compared these with cultures from the Dutch patient population with risk factors for carriage of MDRO...
2017: PloS One
https://www.readbyqxmd.com/read/28441348/deoxynucleoside-salvage-in-fission-yeast-allows-rescue-of-ribonucleotide-reductase-deficiency-but-not-spd1-mediated-inhibition-of-replication
#5
Oliver Fleck, Ulrik Fahnøe, Katrine Vyff Løvschal, Marie-Fabrice Uwamahoro Gasasira, Irina N Marinova, Birthe B Kragelund, Antony M Carr, Edgar Hartsuiker, Christian Holmberg, Olaf Nielsen
In fission yeast, the small, intrinsically disordered protein S-phase delaying protein 1 (Spd1) blocks DNA replication and causes checkpoint activation at least in part, by inhibiting the enzyme ribonucleotide reductase, which is responsible for the synthesis of DNA. The CRL4(Cdt2) E3 ubiquitin ligase mediates degradation of Spd1 and the related protein Spd2 at S phase of the cell cycle. We have generated a conditional allele of CRL4(Cdt2), by expressing the highly unstable substrate-recruiting protein Cdt2 from a repressible promoter...
April 25, 2017: Genes
https://www.readbyqxmd.com/read/28441339/still-searching-a-meta-synthesis-of-a-good-death-from-the-bereaved-family-member-perspective
#6
REVIEW
Kelly E Tenzek, Rachel Depner
The concept of a good death continues to receive attention in end-of-life (EOL) scholarship. We sought to continue this line of inquiry related to a good death by conducting a meta-synthesis of published qualitative research studies that examined a good death from the bereaved family member's perspective. Results of the meta-synthesis included 14 articles with 368 participants. Based on analysis, we present a conceptual model called The Opportunity Model for Presence during the EOL Process. The model is framed in socio-cultural factors, and major themes include EOL process engagement with categories of healthcare participants, communication and practical issues...
April 25, 2017: Behavioral Sciences
https://www.readbyqxmd.com/read/28441100/women-s-health-as-an-ideological-and-political-issue-restricting-the-right-to-abortion-access-to-in-vitro-fertilization-procedures-and-prenatal-testing-in-poland
#7
Piotr Żuk, Paweł Żuk
The authors describe the problems of women in Poland, who have limited access to abortion, in vitro fertilization procedures and prenatal tests. The current situation stems from ideological pressure which affects women's health issues. This is part of a broader syndrome of the conservative approach to women's health in Eastern Europe, as well as the factor that strengthens the extreme right in Europe. As women's sexual health is demonized, women less often undergo preventive examinations. Making the debate about health more rational requires radical socio-cultural changes in this part of the world...
April 25, 2017: Health Care for Women International
https://www.readbyqxmd.com/read/28440985/-early-neonatal-sepsis-and-associated-factors
#8
Roberto Anaya-Prado, Cuauhtémoc Valero-Padilla, Augusto Sarralde-Delgado, Jorge Manuel Sánchez-González
BACKGROUND: Early-onset neonatal sepsis (EONS) is an infectious disease of low incidence but high morbidity and mortality with severe consequences to the newborn prognosis. Identifying the associated factors related to EONS allows to start a timely treatment and to take preventive measures. METHODS: In this case and controls study we identified all the newborns (NB) with and without EONS (cases and controls), diagnosed through blood culture in a period of three years...
May 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28440877/bdnf-nt3-regulate-ais-location-and-affect-neuronal-excitability-in-cultured-hippocampal-neurons
#9
Yu Guo, Zi-Jun Su, Yi-Kun Chen, Zhen Chai
Plasticity of the axon initial segment (AIS) has aroused great interest in recent years because it regulates action potential initiation and neuronal excitability. AIS plasticity manifests as modulation of ion channels or variation in AIS structure. However, the mechanisms underlying structural plasticity of the AIS are not well understood. Here, we combined immunofluorescence, patch-clamp recordings, and pharmacological methods in cultured hippocampal neurons to investigate the factors participating in AIS structural plasticity during development...
April 25, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28440783/social-vulnerability-and-hypoglycemia-among-patients-with-diabetes
#10
Jorge Waitman, Gabriela Caeiro, Silvana A Romero Gonzalez, Danila P Ré, Andrea Daghero, Claudio D Gonzalez, Guillermo E Umpierrez
Lower-income populations are hit harder by the diabetes epidemic as regards both prevalence and the risk of complications. Food Insecurity is one of the mechanisms through which poverty may predispose people with low socio-economic status to poorer control and higher complication rates. The United Nations Food and Agriculture Organization defined food security as "the right to have access to sufficient nutritional and culturally acceptable food choices." Adults suffering from diabetes with limited income have a 40% greater chance of having food insecurity and an inadequate blood glucose control...
February 2017: Endocrinol Diabetes Nutr
https://www.readbyqxmd.com/read/28440605/-carbapenem-resistance-in-pseudomonas-aeruginosa-isolated-from-urine-cultures-prevalence-and-risk-factors
#11
J Álvarez-Otero, J L Lamas-Ferreiro, L González-González, I Rodríguez-Conde, M J Fernández-Soneira, A Arca-Blanco, J R Bermúdez-Sanjurjo, J de la Fuente-Aguado
OBJECTIVE: Pseudomonas aeruginosa is a non-fermentative gram-negative bacillus with a great ability to develop resistance to multiple antibiotics, including carbapenems, which is a growing problem worldwide. The aim of this study was to analyse the prevalence of carbapenem-resistant P. aeruginosa (CRPA) in urine cultures and to determine the risk factors associated with the development of carbapanem resistance. METHODS: Positive urine cultures to P. aeruginosa between September 2012 and September 2014 were identified...
April 25, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/28440509/modulation-of-mmp-2-and-9-secretion-by-cytokines-inducers-and-inhibitors-in-human-melanoma-a-2058-cells
#12
M Waheed Roomi, Tatiana Kalinovsky, Aleksandra Niedzwiecki, Matthias Rath
Melanoma, an extremely aggressive cancer, causes the most skin cancer-related deaths, due to metastasis to other areas of the body, such as lymph nodes, lungs, liver, brain or bone. It is characterized by high levels of matrix metalloproteinase (MMP)-2 and -9 secretions that degrade the extracellular matrix and basement membrane, allowing cancer cells to spread to distal organs. Various cytokines, mitogens, growth factors, inducers and inhibitors control MMP activities. We investigated the roles of these in regulation of MMP-2 and -9 in human melanoma A-2058 cells...
April 24, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28440490/microrna-15a-inhibition-protects-against-hypoxia-reoxygenation-induced-apoptosis-of-cardiomyocytes-by-targeting-mothers-against-decapentaplegic-homolog-7
#13
Yang Yang, Shiao Ding, Gaojun Xu, Fei Chen, Fangbao Ding
Myocardial ischemia/reperfusion (I/R) injury is a major pathological process in coronary heart disease and cardiac surgery, and is associated with aberrant microRNA (miR) expression. Previous studies have demonstrated that inhibition of miR-15a expression may ameliorate I/R‑induced myocardial injury. In the present study, the potential role and underlying mechanism of miR‑15a in hypoxia/reoxygenation‑induced apoptosis of cardiomyocytes was investigated. Myocardial I/R was simulated in cultured H9c2 cells by 24 h hypoxia followed by 24 h reoxygenation...
April 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28440488/dipeptidyl-peptidase%C3%A2-4-inhibitor-sitagliptin-prevents-high-glucose%C3%A2-induced-apoptosis-via-activation-of-amp%C3%A2-activated-protein-kinase-in-endothelial-cells
#14
Chao Wu, Shunying Hu, Nanping Wang, Jianwei Tian
Diabetes mellitus (DM), which is a chronic metabolic disorder, is the primary risk factor of life‑threatening vascular complications. Endothelial apoptosis is important in the development of the initial vascular lesion preceding the diabetic disease. Sitagliptin is a dipeptidyl peptidase‑4 (DPP‑4) inhibitor and extensively used in the clinical treatment of DM. DPP‑4 inhibitors have been demonstrated to be beneficial in the improvement of endothelial homeostasis, however the molecular mechanism by which they exhibit these effects remains to be elucidated...
April 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28440442/role-of-the-wnt-%C3%AE-catenin-signaling-pathway-in-inducing-apoptosis-and-renal-fibrosis-in-5-6-nephrectomized-rats
#15
Xin Lin, Yan Zha, Xiang-Zhen Zeng, Rong Dong, Qing-Hua Wang, Dong-Tao Wang
Renal fibrosis is the final common pathway of all progressive renal disease. Excessive and chronic activation of the Wnt/β-catenin signaling pathway results in chronic kidney disease (CKD) progression. To mimic CKD, the present study used 5/6-nephrectomized rats, and alterations in kidney histology, expression of β‑catenin and renal cell apoptosis were assessed. In addition, mesangial cells were cultured in vitro and transfected with β‑catenin siRNA to evaluate the effect of blocking Wnt/β‑catenin signaling on cell apoptosis and the expression of markers of renal fibrosis...
April 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28440399/%C3%AE-1-antitrypsin-promotes-lung-adenocarcinoma-metastasis-through-upregulating-fibronectin-expression
#16
Yan Li, Liyun Miao, Min Yu, Minke Shi, Yongsheng Wang, Jun Yang, Yonglong Xiao, Hourong Cai
α1-antitrypsin (AAT) has been recognized to be associated with lung adenocarcinoma metastasis. However, the mechanisms by which AAT promotes tumor metastasis remain to be investigated. Herein, we first examined AAT expression in a panel of formalin-fixed paraffin-embedded tumor tissues from 88 lung adenocarcinoma patients undergoing curative resection, using immunohistochemical methods. Lung adenocarcinoma patients with high AAT expression showed a significantly shorter overall survival compared to those with low AAT expression by Kaplan-Meier method (P=0...
April 18, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28439993/non-smoker-assertive-behaviour-against-smoke-exposure-chinese-and-korean-american-non-smokers
#17
Anne Saw, Hao Tang, Janice Y Tsoh, Moon S Chen, Elisa K Tong
INTRODUCTION AND AIMS: Non-smokers' assertive behaviour towards smokers by asking them not to smoke is important in promoting smoke-free environments. Korean and Chinese Americans come from countries where most women are non-smokers and assertive behaviour may not be prevalent but may increase after migration because of social-ecological factors. This study assessed the extent to which Korean and Chinese American non-smokers ask someone not to smoke and associated factors. DESIGN AND METHODS: The 2003 California Chinese American and Korean American Tobacco Use Surveys were analysed...
April 25, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28439990/explaining-the-declining-rates-of-past-year-cannabis-use-in-australia-a-first-pass
#18
Alison Ritter, Oluwadamisola Sotade
INTRODUCTION AND AIMS: Cannabis use rates in Australia have declined since 2001. No research to date has examined possible reasons, despite evident policy interest in understanding such a positive public health outcome. In a 'first pass' examination, five possible reasons are explored: (i) attitudinal shifts regarding the acceptability of cannabis use; (ii) regulatory or policy changes; (iii) supply/market changes; (iv) changes in other drug use that may operate as substitutes or complements to cannabis; and (v) socio-cultural factors...
April 24, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28439904/adaptation-and-validation-of-the-oral-health-literacy-instrument-for-the-chilean-population
#19
Ricardo A Cartes-Velásquez, Luis Luengo Machuca
OBJECTIVE: To report the adaptation and cultural validation of the Oral Health Literacy Instrument (OHLI) for the adult Chilean population attending public and university health services. STUDY DESIGN: The original OHLI in English was translated to Spanish and back-translated, then a preliminary version was obtained following review by four experts. A pilot study was carried out in 30 patients, who were asked to assess their understanding of the questionnaire. The following variables were included: sociodemographic factors (sex, age, average monthly income, education and marital status); oral health (history of caries, periodontal disease and oral hygiene); oral health-related quality of life; health literacy; oral health literacy; and psychometric properties (internal consistency, temporal stability, convergent validity and predictive validity)...
April 24, 2017: International Dental Journal
https://www.readbyqxmd.com/read/28439897/platelet-lysate-obtained-via-plateletpheresis-performed-in-standing-and-awake-equine-donors
#20
Scarlett M Sumner, Maria C Naskou, Merrilee Thoresen, Ian Copland, John F Peroni
BACKGROUND: Platelet preparations containing growth factors, attachment factors, and enzymes are appealing to enhance healing of injured tissues and as an alternative to xenogenic serum in cell culture media. Plateletpheresis is commonly used to collect platelets in human medicine but has not been validated in horses. STUDY DESIGN AND METHODS: Plateletpheresis to collect platelet concentrate was performed on six female, mixed breed, chemically restrained horses using commercially available apheresis equipment...
April 25, 2017: Transfusion
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