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https://www.readbyqxmd.com/read/29786969/hippocampal-lipidome-and-transcriptome-profile-alterations-triggered-by-acute-exposure-of-mice-to-gsm-1800-mhz-mobile-phone-radiation-an-exploratory-study
#1
Adamantia F Fragopoulou, Alexandros Polyzos, Maria-Despoina Papadopoulou, Anna Sansone, Areti K Manta, Evangelos Balafas, Nikolaos Kostomitsopoulos, Aikaterini Skouroliakou, Chryssostomos Chatgilialoglu, Alexandros Georgakilas, Dimitrios J Stravopodis, Carla Ferreri, Dimitris Thanos, Lukas H Margaritis
BACKGROUND: The widespread use of wireless devices during the last decades is raising concerns about adverse health effects of the radiofrequency electromagnetic radiation (RF-EMR) emitted from these devices. Recent research is focusing on unraveling the underlying mechanisms of RF-EMR and potential cellular targets. The "omics" high-throughput approaches are powerful tools to investigate the global effects of RF-EMR on cellular physiology. METHODS: In this work, C57BL/6 adult male mice were whole-body exposed (nE xp  = 8) for 2 hr to GSM 1800 MHz mobile phone radiation at an average electric field intensity range of 4...
May 22, 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29786792/protocols-for-the-study-of-taxanes-chemosensitivity-in-prostate-cancer
#2
M Luz Flores, Carmen Sáez
Prostate cancer is major cause of cancer-related death among men in Western countries. Locally advanced prostate cancers are treated with castration therapy, which is initially effective, but after months the disease progresses to a hormone-refractory state whose treatment is chemotherapy based on taxanes. Although taxanes improve the survival of patients with castration-resistant prostate cancers, these patients often develop chemotherapy resistance, and new therapeutic strategies are necessary. Taxanes exert their action through interaction with β-tubulin which triggers cell cycle arrest in mitosis and the subsequent induction of the intrinsic apoptotic pathway...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29786471/the-effects-of-polyphenol-supplementation-on-adipose-tissue-morphology-and-gene-expression-in-overweight-and-obese-humans
#3
Jasper Most, Ines Warnke, Mark V Boekschoten, Johan W E Jocken, Philip de Groot, Angelika Friedel, Igor Bendik, Gijs H Goossens, Ellen E Blaak
Dietary polyphenols have beneficial effects on adipose tissue mass and function in rodents, but human studies are scarce. In a randomized, placebo-controlled study, 25 (10 women) overweight and obese humans received a combination of the polyphenols epigallocatechin-gallate and resveratrol (282 mg/d, 80 mg/d, respectively, EGCG+RES, n = 11) or placebo (PLA, n = 14) supplementation for 12 weeks. Abdominal subcutaneous adipose tissue (SAT) biopsies were collected for assessment of adipocyte morphology and micro-array analysis...
May 1, 2018: Adipocyte
https://www.readbyqxmd.com/read/29786427/diallyl-trisulfide-induces-apoptosis-of-human-papillary-thyroid-carcinoma-bcpap-cells-through-activating-mapk-signaling-pathway
#4
Jie Pan, Li Zhang, Shichen Xu, Xian Cheng, Huixin Yu, Jiandong Bao, Rong-Rong Lu
This study aimed to elucidate the potential effects of diallyl trisulfide (DATS) on human papillary thyroid carcinoma BCPAP cells and its underling mechanisms. DATS is one of the organosulfur compounds which derived from garlic. In this study, we demonstrated that compared to the solvent control, DATS treatment at concentrations of 5, 10 and 20 μΜ decreased cell survival rate of BCPAP cells to 84.51 ± 2.67%, 57.16 ± 1.18%, 41.22 ± 1.19% respectively. DATS also caused cell cycle arrest at G0/G1 phase and the proportion of cells arrested in G0/G1 phase rose from 68...
May 22, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29786113/overexpression-of-c%C3%A2-sis-inhibits-h2o2%C3%A2-induced-buffalo-rat-liver-cell-apoptosis-in-vitro-and-alleviates-liver-injury-in-a-rat-model-of-fulminant-hepatic-failure
#5
Hao Ding, Zhili Wen
The present study aimed to investigate the role of the C‑sis gene in the apoptosis of hepatocytes in vitro and in the liver function of a rat model of fulminant hepatic failure (FHF). Buffalo rat liver (BRL) cells were treated with hydrogen peroxide (H2O2) to induce apoptosis and then transfected with a C‑sis overexpression vector. A rat model of FHF was established, and C‑sis was overexpressed. The mRNA and protein expression of C‑sis were examined using reverse transcription‑polymerase chain reaction and western blot analyses, respectively...
May 17, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29786076/c-myc-inhibits-myoblast-differentiation-and-promotes-myoblast-proliferation-and-muscle-fibre-hypertrophy-by-regulating-the-expression-of-its-target-genes-mirnas-and-lincrnas
#6
Wen Luo, Jiahui Chen, Limin Li, Xueyi Ren, Tian Cheng, Shiyi Lu, Raman Akinyanju Lawal, Qinghua Nie, Xiquan Zhang, Olivier Hanotte
The transcription factor c-Myc is an important regulator of cellular proliferation, differentiation and embryogenesis. While c-Myc can inhibit myoblast differentiation, the underlying mechanisms remain poorly understood. Here, we found that c-Myc does not only inhibits myoblast differentiation but also promotes myoblast proliferation and muscle fibre hypertrophy. By performing chromatin immunoprecipitation and high-throughput sequencing (ChIP-seq), we identified the genome-wide binding profile of c-Myc in skeletal muscle cells...
May 21, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29786070/selective-elimination-of-senescent-cells-by-mitochondrial-targeting-is-regulated-by-ant2
#7
Sona Hubackova, Eliska Davidova, Katerina Rohlenova, Jan Stursa, Lukas Werner, Ladislav Andera, LanFeng Dong, Mikkel G Terp, Zdenek Hodny, Henrik J Ditzel, Jakub Rohlena, Jiri Neuzil
Cellular senescence is a form of cell cycle arrest that limits the proliferative potential of cells, including tumour cells. However, inability of immune cells to subsequently eliminate senescent cells from the organism may lead to tissue damage, inflammation, enhanced carcinogenesis and development of age-related diseases. We found that the anticancer agent mitochondria-targeted tamoxifen (MitoTam), unlike conventional anticancer agents, kills cancer cells without inducing senescence in vitro and in vivo. Surprisingly, it also selectively eliminates both malignant and non-cancerous senescent cells...
May 21, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29786048/cardiac-hypertrophy-is-positively-regulated-by-microrna-24-in-ratsmicrorna-24
#8
Juan Gao, Min Zhu, Rui-Feng Liu, Jian-Shu Zhang, Ming Xu
Background: MicroRNA-24 (miR-24) plays an important role in heart failure by reducing the efficiency of myocardial excitation-contraction coupling. Prolonged cardiac hypertrophy may lead to heart failure, but little is known about the role of miR-24 in cardiac hypertrophy. This study aimed to preliminarily investigate the function of miR-24 and its mechanisms in cardiac hypertrophy. Methods: Twelve Sprague-Dawley rats with a body weight of 50 ± 5 g were recruited and randomly divided into two groups: a transverse aortic constriction (TAC) group and a sham surgery group...
June 5, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29786036/overall-blastocyst-quality-trophectoderm-grade-and-inner-cell-mass-grade-predict-pregnancy-outcome-in-euploid-blastocyst-transfer-cycles
#9
Yan-Yu Zhao, Yang Yu, Xiao-Wei Zhang
Background: Despite recent advances that have improved the pregnancy success rates that can be achieved via in vitro fertilization (IVF) therapy, it is not yet clear which blastocyst morphological parameters best predict the outcomes of single blastocyst transfer. In addition, most of the previous studies did not exclude the effect of embryo aneuploidy on blastocysts transfer. Thus, the present study investigated the predictive value of various parameters on the pregnancy outcomes achieved via the transfer of frozen euploid blastocysts...
June 5, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29785969/pillared-graphite-anodes-for-reversible-sodiation
#10
Hanyang Zhang, Zhifei Li, Wei Xu, Yicong Chen, Xiulei Ji, Michael M Lerner
There has been a major effort recently to develop new rechargeable sodium-ion electrodes. In lithium ion batteries, LiC6 forms from graphite and de-solvated Li cations during the first charge. With sodium ions, graphite only shows a significant capacity when Na+ intercalates as a solvated complex, resulting in ternary graphite intercalation compounds (GICs). Although this chemistry has been shown to be highly reversible and to support high rates in small test cells, these GICs can require >250% volume expansion and contraction during cycling...
May 22, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29785790/the-role-of-mirna-regulation-in-fetal-cardiomyocytes-cardiac-maturation-and-the-risk-of-heart-disease-in-adults
#11
Mitchell C Lock, Ross L Tellam, Kimberley J Botting, Kimberley C W Wang, Joseph B Selvanayagam, Doug A Brooks, Mike Seed, Janna L Morrison
Myocardial infarction is a primary contributor towards the global burden of cardiovascular disease. Rather than repairing the existing damage of myocardial infarction, current treatments only address the symptoms of the disease and reducing the risk of a secondary infarction. Cardiac regenerative capacity is dependent on cardiomyocyte proliferation, which concludes soon after birth in humans and precocial species such as sheep. Human fetal cardiac tissue has some ability to repair following tissue damage, whereas a fully matured human heart has minimal capacity for cellular regeneration...
May 22, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29785709/four-year-follow-up-of-a-single-arm-phase-ii-clinical-trial-of-ibrutinib-with-rituximab-ir-in-patients-with-relapsed-refractory-mantle-cell-lymphoma-mcl
#12
Preetesh Jain, Jorge Romaguera, Samer A Srour, Hun J Lee, Frederick Hagemeister, Jason Westin, Luis Fayad, Felipe Samaniego, Maria Badillo, Liang Zhang, Lorreta Nastoupil, Rashmi Kanagal-Shamanna, Nathan Fowler, Michael L Wang
Ibrutinib has shown significant activity in patients with relapsed or refractory mantle cell lymphoma (RR-MCL). We report the long-term outcome and safety profile of a single-centre, single arm, open-label, phase 2 study of RR-MCL treated with IR. Overall, the median follow-up time was 47 months (range 1-52 months), median duration on treatment was 16 months (range 1-53 months) and median number of treatment cycles was 17 (range 1-56). Twenty-nine patients (58%) achieved complete remission and of these, 12 patients continue on study...
May 22, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29785653/valproic-acid-treatment-response-in-vitro-is-determined-by-tp53-status-in-medulloblastoma
#13
Bruna Mascaro-Cordeiro, Indhira Dias Oliveira, Francine Tesser-Gamba, Lorena Favaro Pavon, Nasjla Saba-Silva, Sergio Cavalheiro, Patrícia Dastoli, Silvia Regina Caminada Toledo
PURPOSE: Histone deacetylate inhibitors (HDACi), as valproic acid (VA), have been reported to enhance efficacy and to prevent drug resistance in some tumors, including medulloblastoma (MB). In the present study, we investigated VA role, combined to cisplatin (CDDP) in cell viability and gene expression of MB cell lines. METHODS: Dose-response curve determined IC50 values for each treatment: (1) VA single, (2) CDDP single, and (3) VA and CDDP combined. Cytotoxicity and flow cytometry evaluated cell viability after exposure to treatments...
May 22, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29785530/azoospermia-and-embryo-morphokinetics-testicular-sperm-derived-embryos-exhibit-delays-in-early-cell-cycle-events-and-increased-arrest-prior-to-compaction
#14
Nina Desai, Pavinder Gill, Nicholas N Tadros, Jeffrey M Goldberg, Edmund Sabanegh, Tommaso Falcone
PURPOSE: Sperm play an essential role in embryonic genome activation and embryonic progression to blastocyst. In the present work, we focus on development of embryos created as a result of ICSI with testicular or epididymal sperm from azoospermic males and compare this to outcomes from normospermic males. The objective of this study was to determine if sperm origin influences clinical outcomes, the kinetics of embryo development, or the incidence of cleavage anomalies and multinucleation...
May 21, 2018: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29785339/identification-of-potential-crucial-genes-and-pathways-associated-with-vein-graft-restenosis-based-on-gene-expression-analysis-in-experimental-rabbits
#15
Qiang Liu, Xiujie Yin, Mingzhu Li, Li Wan, Liqiao Liu, Xiang Zhong, Zhuoqi Liu, Qun Wang
Occlusive artery disease (CAD) is the leading cause of death worldwide. Bypass graft surgery remains the most prevalently performed treatment for occlusive arterial disease, and veins are the most frequently used conduits for surgical revascularization. However, the clinical efficacy of bypass graft surgery is highly affected by the long-term potency rates of vein grafts, and no optimal treatments are available for the prevention of vein graft restenosis (VGR) at present. Hence, there is an urgent need to improve our understanding of the molecular mechanisms involved in mediating VGR...
2018: PeerJ
https://www.readbyqxmd.com/read/29785137/andrographolide-potentiates-the-antitumor-effect-of-topotecan-in-acute-myeloid-leukemia-cells-through-an-intrinsic-apoptotic-pathway
#16
Mohammad Hassan Hodroj, Achraf Jardaly, Sarah Abi Raad, Annalise Zouein, Sandra Rizk
Background: Topotecan (TP) is an anticancer drug acting as topoisomerase I inhibitor that is used in the treatment of many types of cancers including leukemia, but it has significant side effects. Andrographolide, a compound extracted from Andrographis paniculata , was recently proven to inhibit the growth of cancer cells and can induce apoptosis. The aim of this study is to investigate the possible synergism between TP and andrographolide in acute myeloid cells in vitro. Materials and methods: U937 acute myeloid leukemic cells were cultured using Roswell Park Memorial Institute (RPMI) medium and then treated for 24 h with TP and andrographolide prepared through the dilution of dimethyl sulfoxide (DMSO) stocks with RPMI on the day of treatment...
2018: Cancer Management and Research
https://www.readbyqxmd.com/read/29785127/long-noncoding-rna-gaplinc-promotes-gastric-cancer-cell-proliferation-by-acting-as-a-molecular-sponge-of-mir-378-to-modulate-mapk1-expression
#17
Lingyun Diao, Shengying Wang, Zhiguang Sun
Background: Dysregulated long noncoding RNAs (lncRNAs) and microRNAs (miRNAs) play key roles in the development of human cancers. LncRNA GAPLINC has been reported to be increased in gastric cancer (GC) tissues. Methods: Real-time PCR assays were used to measure expressions of GAPLINC, miR-378, and MAPK1 mRNA. Western blot assays were employed to examine MAPK1 protein expression. Cell proliferation and cell cycle were measured by CCK-8 and propidium iodide-detection assays, respectively...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29785122/aloperine-executes-antitumor-effects-through-the-induction-of-apoptosis-and-cell-cycle-arrest-in-prostate-cancer-in-vitro-and-in-vivo
#18
Zhixin Ling, Han Guan, Zonghao You, Can Wang, Ling Hu, Lei Zhang, Yiduo Wang, Shuqiu Chen, Bin Xu, Ming Chen
Background: Prostate cancer (PCa) is one of the most common malignant diseases among male patients. Although androgen deprivation therapy remains the main treatment for PCa, most patients would inevitably progress to castration-resistant PCa, which is the main cause of cancer-related deaths. Thus, novel antitumor agents are urgently needed. Recent studies demonstrated that aloperine (ALO) as a natural alkaloid showed antitumor effects in other cancer types. However, the biological function and underlying mechanisms of ALO in PCa have not been investigated...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29785087/transcriptomic-impacts-of-rumen-epithelium-induced-by-butyrate-infusion-in-dairy-cattle-in-dry-period
#19
Ransom L Baldwin, Robert W Li, Yankai Jia, Cong-Jun Li
The purpose of this study was to evaluate the effects of butyrate infusion on rumen epithelial transcriptome. Next-generation sequencing (NGS) and bioinformatics are used to accelerate our understanding of regulation in rumen epithelial transcriptome of cattle in the dry period induced by butyrate infusion at the level of the whole transcriptome. Butyrate, as an essential element of nutrients, is a histone deacetylase (HDAC) inhibitor that can alter histone acetylation and methylation, and plays a prominent role in regulating genomic activities influencing rumen nutrition utilization and function...
2018: Gene Regulation and Systems Biology
https://www.readbyqxmd.com/read/29785044/the-live-cell-dna-stain-sir-hoechst-induces-dna-damage-responses-and-impairs-cell-cycle-progression
#20
Onur Sen, Adrian T Saurin, Jonathan M G Higgins
SiR-Hoechst (SiR-DNA) is a far-red fluorescent DNA probe being used widely for time-lapse imaging of living cells that is reported to be minimally toxic at concentrations as high as 10-25 µM. However, measuring nuclear import of Cyclin B1, inhibition of mitotic entry, and the induction of γH2AX foci in cultured human cells reveals that SiR-Hoechst induces DNA damage responses and G2 arrest at concentrations well below 1 µM. SiR-Hoechst is useful for live cell imaging, but it should be used with caution and at the lowest practicable concentration...
May 21, 2018: Scientific Reports
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