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https://www.readbyqxmd.com/read/28934847/participation-of-ccl1-in-snail-positive-fibroblasts-in-colorectal-cancer-contribute-to-5-fluorouracil-paclitaxel-chemoresistance
#1
Ziqian Li, Kaying Chan, Yifei Qi, Linlin Lu, Fen Ning, Mengling Wu, Yuan Wang, Shaohui Cai, Jun Du
Purpose: Cancer-associated fibroblasts (CAFs) activated by cancer cells has a central role in development and malignant biological behavior in colorectal cancer (CRC). Adult fibroblasts do not express Snail, but Snail-positive fibroblasts are discovered in the stroma of malignant CRC and reported to be the key role to chemoresistance. However, the reciprocal effect of CAFs expressed Snail to chemoresistance on CRC cells and the underlying molecular mechanisms are not fully characterized...
September 18, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28934767/family-planning-unmet-need-and-access-among-itaukei-women-in-new-zealand-and-fiji
#2
Radilaite Cammock, Peter Herbison, Sarah Lovell, Patricia Priest
AIM: The aim of the study was to identify unmet need and family planning access among indigenous Fijian or iTaukei women living in New Zealand and Fiji. METHOD: A cross-sectional survey was undertaken between 2012-2013 in five major cities in New Zealand: Auckland, Hamilton, Wellington, Christchurch and Dunedin; and in three suburbs in Fiji. Women who did not want any (more) children but were not using any form of contraception were defined as having an unmet need...
September 22, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28934665/venous-thromboembolism-in-children-with-cystic-fibrosis-retrospective-incidence-and-intrapopulation-risk-factors
#3
Jessica Knight-Perry, Brian R Branchford, Dianne Thornhill, Stacey L Martiniano, Scott D Sagel, Michael Wang
INTRODUCTION: Pediatric venous thromboembolism (VTE) is a rare but serious medical condition. Cystic fibrosis (CF) is a risk for recurrent pediatric VTE and has potential thrombophilic tendency. However, much remains unknown, including incidence and intrapopulation risk factors. METHODS: A retrospective cohort of pediatric CF patients followed at Children's Hospital Colorado from January 1st 2003 through May 20th 2016 was examined. Cases were identified by informatics and validated manually...
September 5, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28934415/first-report-of-urease-activity-in-the-novel-systemic-fungal-pathogen-emergomyces-africanus-a-comparison-with-the-neurotrope-cryptococcus-neoformans
#4
Barbra Lerm, Chris Kenyon, Ilan S Schwartz, Heinrich Kroukamp, Riaan de Witt, Nelesh P Govender, G Sybren de Hoog, Alfred Botha
Cryptococcus neoformans is an opportunistic pathogen responsible for the AIDS-defining illness, cryptococcal meningitis. During the disease process, entry of cryptococcal cells into the brain is facilitated by virulence factors that include urease enzyme activity. A novel species of an Emmonsia-like fungus, recently named Emergomyces africanus, was identified as a cause of disseminated mycosis in HIV-infected persons in South Africa. However, in contrast to C. neoformans, the enzymes produced by this fungus, some of which may be involved in pathogenesis, have not been described...
November 1, 2017: FEMS Yeast Research
https://www.readbyqxmd.com/read/28934404/organizational-and-managerial-factors-associated-with-clinical-practice-guideline-adherence-a-simulation-based-study-in-36-french-hospital-wards
#5
Florence Saillour-Glénisson, Marion Kret, Sandrine Domecq, Matthieu Sibé, Valentin Daucourt, Virginie Migeot, David Veillard, Philippe Michel
Objectives: To identify managerial and organizational characteristics of multi-specialty medicine wards and individual characteristics of health professionals that are most strongly associated with clinical practice guidelines (CPG) adherence. Design: Cross-sectional stratified cluster sample design. Setting: Data were gathered from 36 randomly selected multi-specialty medicine wards. Participants: The study population included all health professionals involved in patient care working in the participating wards...
August 1, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/28934365/murine-glomerular-transcriptome-links-endothelial-cell-specific-molecule-1-deficiency-with-susceptibility-to-diabetic-nephropathy
#6
Xiaoyi Zheng, Fariborz Soroush, Jin Long, Evan T Hall, Puneeth K Adishesha, Sanchita Bhattacharya, Mohammad F Kiani, Vivek Bhalla
Diabetic nephropathy (DN) is the leading cause of kidney disease; however, there are no early biomarkers and no cure. Thus, there is a large unmet need to predict which individuals will develop nephropathy and to understand the molecular mechanisms that govern this susceptibility. We compared the glomerular transcriptome from mice with distinct susceptibilities to DN at four weeks after induction of diabetes, but before histologic injury, and identified differential regulation of genes that modulate inflammation...
2017: PloS One
https://www.readbyqxmd.com/read/28934307/amplification-of-the-egfr-gene-can-be-maintained-and-modulated-by-variation-of-egf-concentrations-in-in-vitro-models-of-glioblastoma-multiforme
#7
Doreen William, Poroshista Mokri, Nora Lamp, Michael Linnebacher, Carl Friedrich Classen, Andreas Erbersdobler, Björn Schneider
Glioblastoma multiforme (GBM) is the most common and lethal brain tumor in adults. It is known that amplification of the epidermal growth factor receptor gene (EGFR) occurs in approximately 40% of GBM, leading to enhanced activation of the EGFR signaling pathway and promoting tumor growth. Although GBM mutations are stably maintained in GBM in vitro models, rapid loss of EGFR gene amplification is a common observation during cell culture. To maintain EGFR amplification in vitro, heterotopic GBM xenografts with elevated EGFR copy number were cultured under varying serum conditions and EGF concentrations...
2017: PloS One
https://www.readbyqxmd.com/read/28933914/comparison-of-cellular-transforming-activity-of-oct4-nanog-and-sox2-in-immortalized-astrocytes
#8
Sunyoung Seo, Hee-Young Jeon, Hyunggee Kim
Embryonic stem cell factors-OCT4, NANOG, and SOX2-contribute to the maintenance of stem cell properties and malignant progression in various cancers, including glioblastoma. Although functional roles of each of these genes are well documented in stem cell and cancer biology, no study has directly compared their cellular transforming activity under same experimental conditions. In this study, we compared the cellular transforming activity of OCT4, NANOG, and SOX2 using human immortalized astrocytes cultured under serum-free stem cell culture conditions...
September 21, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28933886/mexican-origin-youth-substance-use-trajectories-associations-with-cultural-and-family-factors
#9
Rick A Cruz, Kevin M King, Molly Mechammil, Mayra Bámaca-Colbert, Richard W Robins
The current study identified alcohol and cannabis use trajectories among a sample of Mexican-origin youth and examined cultural and familial correlates from childhood to adolescence. Mexican-origin youth (N = 674) from Northern California were assessed annually from ages 10 to 17 (8 waves). Latent class growth modeling examined variability in developmental trajectories for last 3-month alcohol and cannabis use frequency. Analyses also examined between-trajectory differences in youth's cultural practices and values, family cultural conflict, general parent-child conflict, and parental monitoring at 4 time points from ages 10 to 16...
September 21, 2017: Developmental Psychology
https://www.readbyqxmd.com/read/28933410/honey-and-cancer-current-status-and-future-directions
#10
REVIEW
Laura M Porcza, Claire Simms, Mridula Chopra
Cancer is a leading cause of death worldwide and poses a challenge to treatment. With overwhelming evidence of the role played by diet and lifestyle in cancer risk and prevention, there is a growing interest into the search for chemopreventative or chemotherapeutic agents derived from natural products. Honey is an important source of bioactive compounds derived from plants and recent years have seen an increased interest in its anticancer properties. This review examines the role of honey in targeting key hallmarks of carcinogenesis, including uncontrolled proliferation, apoptosis evasion, angiogenesis, growth factor signalling, invasion, and inflammation...
September 30, 2016: Diseases (Basel)
https://www.readbyqxmd.com/read/28933215/withania-somnifera-extract-protects-model-neurons-from-in-vitro-traumatic-injury
#11
Jessica N Saykally, Haris Hatic, Kristen L Keeley, Subhash C Jain, Vijayalakshmi Ravindranath, Bruce A Citron
Withania somnifera has been used in traditional medicine for a variety of neural disorders. Recently, chronic neurodegenerative conditions have been shown to benefit from treatment with this extract. To evaluate the action of this extract on traumatically injured neurons, the efficacy of W. somnifera root extract as a neuroprotective agent was examined in cultured model neurons exposed to an in vitro injury system designed to mimic mild traumatic brain injury (TBI). Neuronal health was evaluated by staining with annexin V (an early, apoptotic feature) and monitoring released lactate dehydrogenase activity (a terminal cell loss parameter)...
July 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28933186/gender-effects-in-a-multischool-alcohol-media-literacy-study-with-preadolescents
#12
Chloe S Gordon, Steven J Howard, Lisa K Kervin, Sandra C Jones
OBJECTIVE: Alcohol media literacy (AML) programs have achieved positive results for alcohol prevention; however, gender may moderate program effectiveness. This study investigated gender differences for an Australian AML intervention. METHOD: Fifth and sixth graders ( N = 165), allocated to an intervention or wait-list control group, participated in an AML program. Student questionnaires were administered at three time points. RESULTS: The intervention resulted in significantly higher media deconstruction skills but did not lead to less preference for branded merchandise or greater understanding of persuasive intent, and these effects did not differ by gender...
September 1, 2017: Health Education & Behavior: the Official Publication of the Society for Public Health Education
https://www.readbyqxmd.com/read/28933020/deriving-a-management-algorithm-for-emphysematous-pyelonephritis-can-we-rely-on-minimally-invasive-strategies-or-should-we-be-opting-for-earlier-nephrectomy
#13
Eve Boakes, Deepak Batura
PURPOSE: To analyse the incidence and management of emphysematous pyelonephritis (EPN) in North West London and examine factors that influence immediate and 6-month outcomes with the aim of guiding future management. METHODS: This work analyses EPN cases from the London North West Healthcare NHS Trust from October 2006 to July 2015 (population ≈ 850,000). Diagnosis and stage were confirmed by computed tomography (CT). Demographic, clinical, biochemical and microbiological characteristics were assessed...
September 20, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28932862/tailored-release-of-triiodothyronine-and-retinoic-acid-from-a-spatio-temporally-fabricated-nanofiber-composite-instigating-neuronal-differentiation
#14
Aishwarya Satish, Purna Sai Korrapati
Regeneration of the central and peripheral nervous system is challenging since the functional restoration of injured nerves is an incredible task. The fabrication of an ideal nerve guide that fulfills the requirement to regenerate nerve tissue is a herculean challenge requiring a combination of both biochemical and topographical cues. The present study explores the combinatorial effect of aligned nanofibers and the regulated delivery of triiodothyronine and retinoic acid on nerve regeneration. A sequential release mechanism is adopted in fabricating the nanofiber scaffold, with triiodothyronine incorporated into the nanofiber shell ensuring its prior release, followed by retinoic acid (entrapped within zein nanoparticles) from the core...
September 21, 2017: Nanoscale
https://www.readbyqxmd.com/read/28932635/colony-stimulating-factor-1-induced-aif1-expression-in-tumor-associated-macrophages-enhances-the-progression-of-hepatocellular-carcinoma
#15
Hao Cai, Xiao-Dong Zhu, Jian-Yang Ao, Bo-Gen Ye, Yuan-Yuan Zhang, Zong-Tao Chai, Cheng-Hao Wang, Wen-Kai Shi, Man-Qing Cao, Xiao-Long Li, Hui-Chuan Sun
M2-polarized (alternatively activated) macrophages play an important role in the progression of hepatocellular carcinoma (HCC). Allograft inflammatory factor 1 (AIF1) is overexpressed in M2-polarized macrophages. This study explored the role of AIF1 in tumor-associated macrophages in HCC. Macrophages were stimulated with colony-stimulating factor 1 (CSF1) to characterize the regulatory pathway of AIF1 in macrophages. The chromatin immunoprecipitation and luciferase reporter gene assay were conducted to examine transcription factors associated with AIF1 expression...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28932591/a-case-of-tuberculosis-reactivation-suspected-of-cancer-progression-during-oral-tyrosine-kinase-inhibitor-treatment-in-a-patient-diagnosed-as-non-small-cell-lung-cancer
#16
Hwa Young Lee, Jin Woo Kim, Chang Dong Yeo
We report a first case of a patient experiencing reactivation of pulmonary tuberculosis (TB) during treatment of oral tyrosine kinase inhibitor (TKI) with non-small cell lung cancer (NSCLC). A 44-year-old male patient visited the hospital with cough. He had been treated with erlotinib (oral TKI) for 8 months after being diagnosed as NSCLC with sensitive epidermal growth factor receptor mutation in our clinic. At initial chest imaging, the patient had fibroatelectatic calcified granuloma in the right upper lobe (RUL) apex as well as 1...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28932116/silk-fibroin-cartilage-extracellular-matrix-scaffolds-with-sequential-delivery-of-tgf-%C3%AE-3-for-chondrogenic-differentiation-of-adipose-derived-stem-cells
#17
Qiang Yang, Bin-Hong Teng, Li-Na Wang, Kun Li, Chen Xu, Xin-Long Ma, Yang Zhang, De-Ling Kong, Lian-Yong Wang, Yan-Hong Zhao
A 3-D scaffold that simulates the microenvironment in vivo for regenerating cartilage is ideal. In this study, we combined silk fibroin and decellularized cartilage extracellular matrix by temperature gradient-guided thermal-induced phase separation to produce composite scaffolds (S/D). Resulting scaffolds had remarkable mechanical properties and biomimeticstructure, for a suitable substrate for attachment and proliferation of adipose-derived stem cells (ADSCs). Moreover, transforming growth factor β3 (TGF-β3) loaded on scaffolds showed a controlled release profile and enhanced the chondrogenic differentiation of ADSCs during the 28-day culture...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28932081/-epigallocatechin-3-gallate-enhances-poly-i-c-induced-interferon-%C3%AE-1-production-and-inhibits-hepatitis-c-virus-replication-in-hepatocytes
#18
Yi-Zhong Wang, Jie-Liang Li, Xu Wang, Ting Zhang, Wen-Zhe Ho
AIM: To investigate the effect of (-)-epigallocatechin-3-gallate (EGCG) on polyinosinic-polycytidylic acid (poly I:C)-triggered intracellular innate immunity against hepatitis C virus (HCV) in hepatocytes. METHODS: A cell culture model of HCV infection was generated by infecting a hepatoma cell line, Huh7, with HCV JFH-1 strain (JFH-1-Huh7). Poly I:C with a high molecular weight and EGCG were used to stimulate the JFH-1-Huh7 cells. Real-time reverse transcription-polymerase chain reaction was used to detect the expression levels of intracellular mRNAs and of intracellular and extracellular HCV RNA...
August 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28932047/a-relationship-between-salivary-flow-rates-and-candida-counts-in-patients-with-xerostomia
#19
Suchetha Devendrappa Nadig, Deepak Timmasandra Ashwathappa, Muniraju Manjunath, Sowmya Krishna, Araleri Gopalkrishna Annaji, Praveen Kunigal Shivaprakash
CONTEXT: Most of the adult population is colonized by Candida in their oral cavity. The process of colonization depends on several factors, including the interaction between Candida and salivary proteins. Therefore, salivary gland hypofunction may alter the oral microbiota and increase the risk for opportunistic infections, such as candidiasis. Hence, it is necessary to evaluate the relationship between salivary flow rates (SFRs) and Candida colony counts in the saliva of patients with xerostomia...
May 2017: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/28931967/can-we-trust-measures-of-political-trust-assessing-measurement-equivalence-in-diverse-regime-types
#20
Irena Schneider
Do standard "trust in government" survey questions deliver measures which are reliable and equivalent in meaning across diverse regime types? I test for the measurement equivalence of political trust in a sample of 35 former Soviet and European countries using the 2010 Life in Transition Survey II conducted by the World Bank and European Bank for Reconstruction and Development. Employing multiple group confirmatory factor analysis, I find that trust perceptions in central political institutions differ from (1) trust in regional and local political institutions, (2) trust in protective institutions like the armed forces and police and (3) trust in order institutions like the courts and police...
2017: Social Indicators Research
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