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https://www.readbyqxmd.com/read/29228451/rg108-induces-the-apoptosis-of-endometrial-cancer-ishikawa-cell-lines-by-inhibiting-the-expression-of-dnmt3b-and-demethylation-of-hmlh1
#1
L Yang, J Hou, X-H Cui, L-N Suo, Y-W Lv
OBJECTIVE: The effects of DNA methyltransferase (DNMT) inhibitor RG108 on the proliferation and apoptosis of endometrial cancer was investigated, and whether its mechanism was related to the inhibition of DNMT3B, thereby affecting the human mutL homolog 1 (hMLH1) methylation status and its expression, was further studied. MATERIALS AND METHODS: Culture of human endometrial cancer Ishikawa cell lines: cells grew adhering to the wall in Roswell Park Memorial Institute-1640 (RPMI-1640) medium (supplemented with 10% fetal bovine serum (FBS) and 2 mM L-glutamic acid)...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29228422/microrna-582-5p-suppressed-gastric-cancer-cell-proliferation-via-targeting-akt3
#2
Y Jin, L-P Tao, S-C Yao, Q-K Huang, Z-F Chen, Y-J Sun, S-Q Jin
OBJECTIVE: To dissect the functioning mode of miR-582-5p on gastric cancer cell growth and provide therapeutic targets for gastric cancer. PATIENTS AND METHODS: Relative expression levels of miR-582-5p in human gastric cancer tissue samples and gastric cancer-derived cell lines were measured by using quantitative Real-time PCR. Cell proliferation and viability capacities were assessed by cell counting kit-8 (CCK8) assay and colony formation assay. Cell apoptosis and cell cycle distribution were identified by flow cytometry...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29228402/lymph-node-metastasis-in-early-gastric-adenocarcinoma-in-the-united-states-of-america
#3
Sridevi K Pokala, Chao Zhang, Zhengjia Chen, Anthony M Gamboa, Sarah L Cristofaro, Steven A Keilin, Qiang Cai, Field F Willingham
Background and study aims Localized approaches are being increasingly used in the management of early gastric adenocarcinoma; however, there are limited data on lymph node metastasis in the US population. This study examined the incidence and predictors of lymph node involvement for early-stage gastric adenocarcinomas in the USA. Patients and methods Data were abstracted from the national SEER database from 2004 to 2013. Exclusion criteria included: cases with unknown tumor characteristics, unknown patient characteristics, metastatic disease, neoadjuvant radiation, and lack of surgical resection or lymph node evaluation...
December 11, 2017: Endoscopy
https://www.readbyqxmd.com/read/29228366/genotype-influences-day-to-day-variability-in-sleep-in-drosophila-melanogaster
#4
Katherine J Wu, Shailesh Kumar, Yazmin L Serrano Negron, Susan T Harbison
Patterns of sleep often vary among individuals. But sleep and activity may also vary within an individual, fluctuating in pattern across time. One possibility is that these daily fluctuations in sleep are caused by the underlying genotype of the individual. However, differences attributable to genetic causes are difficult to distinguish from environmental factors in outbred populations such as humans. We therefore employed Drosophila as a model of intra-individual variability in sleep using previously collected sleep and activity data from the Drosophila Genetic Reference Panel, a collection of wild-derived inbred lines...
December 8, 2017: Sleep
https://www.readbyqxmd.com/read/29228253/rare-potentially-pathogenic-variants-in-znf469-are-not-enriched-in-keratoconus-in-a-large-australian-cohort-of-european-descent
#5
Sionne E M Lucas, Tiger Zhou, Nicholas B Blackburn, Richard A Mills, Jonathan Ellis, Paul Leo, Emmanuelle Souzeau, Bronwyn Ridge, Jac C Charlesworth, Matthew A Brown, Richard Lindsay, Jamie E Craig, Kathryn P Burdon
Purpose: The Zinc Finger Protein 469 (ZNF469) gene has been proposed as a candidate gene for keratoconus due to the association of an upstream polymorphism (rs9938149) with the disease in two independent studies, and the role of the gene in the autosomal recessive disease Brittle Cornea Syndrome. Coding variants in ZNF469 have been assessed for association with keratoconus in several small studies, with conflicting results. We assessed rare, potentially pathogenic variants in ZNF469 for enrichment in keratoconus patients in a cohort larger than all previous studies combined...
December 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29228214/oestrogen-receptor-%C3%AE-ligand-acts-on-cd11c-cells-to-mediate-protection-in-experimental-autoimmune-encephalomyelitis
#6
Roy Y Kim, Darian Mangu, Alexandria S Hoffman, Rojan Kovash, Eunice Jung, Noriko Itoh, Rhonda Voskuhl
Oestrogen treatments are neuroprotective in a variety of neurodegenerative disease models. Selective oestrogen receptor modifiers are needed to optimize beneficial effects while minimizing adverse effects to achieve neuroprotection in chronic diseases. Oestrogen receptor beta (ERβ) ligands are potential candidates. In the multiple sclerosis model chronic experimental autoimmune encephalomyelitis, ERβ-ligand treatment is neuroprotective, but mechanisms underlying this neuroprotection remain unclear. Specifically, whether there are direct effects of ERβ-ligand on CD11c+ microglia, myeloid dendritic cells or macrophages in vivo during disease is unknown...
December 8, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29228183/plasma-oxysterols-biomarkers-for-diagnosis-and-treatment-in-spastic-paraplegia-type-5
#7
Cecilia Marelli, Foudil Lamari, Dominique Rainteau, Alexandre Lafourcade, Guillaume Banneau, Lydie Humbert, Marie-Lorraine Monin, Elodie Petit, Rabab Debs, Giovanni Castelnovo, Elisabeth Ollagnon, Julie Lavie, Julie Pilliod, Isabelle Coupry, Patrick J Babin, Claire Guissart, Imen Benyounes, Urielle Ullmann, Gaetan Lesca, Christel Thauvin-Robinet, Pierre Labauge, Sylvie Odent, Claire Ewenczyk, Claude Wolf, Giovanni Stevanin, David Hajage, Alexandra Durr, Cyril Goizet, Fanny Mochel
The hereditary spastic paraplegias are an expanding and heterogeneous group of disorders characterized by spasticity in the lower limbs. Plasma biomarkers are needed to guide the genetic testing of spastic paraplegia. Spastic paraplegia type 5 (SPG5) is an autosomal recessive spastic paraplegia due to mutations in CYP7B1, which encodes a cytochrome P450 7α-hydroxylase implicated in cholesterol and bile acids metabolism. We developed a method based on ultra-performance liquid chromatography electrospray tandem mass spectrometry to validate two plasma 25-hydroxycholesterol (25-OHC) and 27-hydroxycholesterol (27-OHC) as diagnostic biomarkers in a cohort of 21 patients with SPG5...
December 8, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29228176/screening-and-identification-of-immunoactive-flab-protein-fragments-of-treponema-pallidum-for-the-serodiagnosis-of-syphilis
#8
Manyi Tan, Man Xu, Yongjian Xiao, Yafeng Xie, Chuanhao Jiang, Kang Zheng, Qian Chen, Feijun Zhao, Tiebing Zeng, Yimou Wu
Flagellin is a classical pathogen-associated molecular pattern that can evoke robust immune response. We have demonstrated previously that three full-length flagellins of Treponema pallidum, namely FlaB1, FlaB2 and FlaB3, did have diagnostic value in serodiagnosis of syphilis. Here, we selected and constructed three recombinant fragments of each complete FlaB, both the conserved N-terminal and the C-terminal region, and the middle variable part, with the goal of exploring fragment unique to Treponema pallidum for use as antigen target in a fragment based serological test...
December 5, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/29228173/group-a-streptococcal-m-like-proteins-from-pathogenesis-to-vaccine-potential
#9
Hannah Frost, Martina Sanderson-Smith, Mark Walker, Anne Botteaux, Pierre Smeesters
M and M-like surface proteins from Group A Streptococcus (GAS) act as virulence factors and have been used in multiple vaccine candidates. While the M protein has been extensively studied, the two genetically and functionally related M-like proteins, Mrp and Enn, although present in most streptococcal strains have been relatively less characterized. We compile the current state of knowledge for these two proteins, from discovery to recent studies on function and immunogenicity, using the M protein for comparison as a prototype of this family of proteins...
December 7, 2017: FEMS Microbiology Reviews
https://www.readbyqxmd.com/read/29228146/identification-and-characterization-of-a-specific-13-mirna-expression-signature-during-follicle-activation-in-the-zebrafish-ovary
#10
Queenie Wing-Lei Wong, Ming-An Sun, Shuk-Wa Lau, Chirag Parsania, Shaolong Zhou, Silin Zhong, Wei Ge
Ovarian folliculogenesis is always of great interest in reproductive biology. However, the molecular mechanisms that control follicle development, particularly the early phase of follicle activation or recruitment, still remain poorly understood. In an attempt to decipher the gene networks and signaling pathways involved in such transition, we conducted a transcriptomic analysis (RNA-seq) on zebrafish primary growth (PG, stage I; inactive) and pre-vitellogenic (PV, stage II; activated) follicles. A total of 118 unique microRNAs (miRNAs) (11 down-regulated and 83 up-regulated during PG/PV transition) and 56711 unique messenger RNAs (mRNAs) (1839 down-regulated and 7243 up-regulated during PG/PV transition) were identified...
December 6, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29228087/analysis-of-angiogenesis-biomarkers-for-ramucirumab-efficacy-in-patients-with-metastatic-colorectal-cancer-from-raise-a-global-randomized-double-blind-phase-iii-study
#11
J Tabernero, R R Hozak, T Yoshino, A L Cohn, R Obermannova, G Bodoky, R Garcia-Carbonero, T-E Ciuleanu, D C Portnoy, J Prausová, K Muro, R W Siegel, R J Konrad, H Ouyang, S A Melemed, D Ferry, F Nasroulah, E Van Cutsem
Background: The phase III RAISE trial (NCT01183780) demonstrated that the vascular endothelial growth factor (VEGF) receptor (VEGFR)-2 binding monoclonal antibody ramucirumab plus 5-fluororuracil, leucovorin, and irinotecan (FOLFIRI) significantly improved overall survival (OS) and progression-free survival (PFS) compared with placebo+FOLFIRI as second-line metastatic colorectal cancer (mCRC) treatment. To identify patients who benefit the most from VEGFR-2 blockade, the RAISE trial design included a prospective and comprehensive biomarker program that assessed the association of biomarkers with ramucirumab efficacy outcomes...
December 7, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29228074/a-review-of-the-current-therapies-challenges-and-future-directions-of-transcranial-focused-ultrasound-technology-advances-in-diagnosis-and-treatment
#12
Vibhor Krishna, Francesco Sammartino, Ali Rezai
Importance: Magnetic resonance imaging-guided focused ultrasound ablation has been approved for the treatment of refractory essential tremor and is being studied for other neurological indications, including dyskinesias and tremor in Parkinson disease, dystonia, neuropathic pain, obsessive-compulsive disorder, epilepsy, and brain tumors. Objective: To review the scientific foundations of FUS technology, existing neurological applications, and future advances. Evidence Review: PubMed was searched for the past 10 years using the terms "transcranial ultrasound," "focused ultrasound," and "neurological applications...
December 11, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29228011/characterization-of-the-giardia-intestinalis-secretome-during-interaction-with-human-intestinal-epithelial-cells-the-impact-on-host-cells
#13
Showgy Y Ma'ayeh, Jingyi Liu, Dimitra Peirasmaki, Katarina Hörnaeus, Sara Bergström Lind, Manfred Grabherr, Jonas Bergquist, Staffan G Svärd
BACKGROUND: Giardia intestinalis is a non-invasive protozoan parasite that causes giardiasis in humans, the most common form of parasite-induced diarrhea. Disease mechanisms are not completely defined and very few virulence factors are known. METHODOLOGY: To identify putative virulence factors and elucidate mechanistic pathways leading to disease, we have used proteomics to identify the major excretory-secretory products (ESPs) when Giardia trophozoites of WB and GS isolates (assemblages A and B, respectively) interact with intestinal epithelial cells (IECs) in vitro...
December 11, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29227950/transcriptome-sequencing-of-paeonia-suffruticosa-shima-nishiki-to-identify-differentially-expressed-genes-mediating-double-color-formation
#14
Xinpeng Zhang, Lanyong Zhao, Zongda Xu, Xiaoyan Yu
Paeonia suffruticosa 'Shima Nishiki' is one of extremely rare double-color cultivars in the world. It usually shows the two beautiful colors of red and white in the same flower, and this trait undoubtedly makes the flowers more charming for the ornamental market. However, few studies have been done to unravel the molecular mechanisms of double-color formation in P. suffruticosa 'Shima Nishiki'. In this study, we measured the anthocyanin composition and concentration, and sequenced the transcriptomes of the red and white petals...
December 8, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29227658/ion-speciation-and-transport-properties-of-litfsi-in-1-3-dioxolane-solutions-a-case-study-for-li-s-battery-applications
#15
Rinaldo Raccichini, James W Dibden, Ashley Brew, John R Owen, Nuria Garcia-Araez
The Lithium-Sulfur battery is considered to be one of the main candidates for the "post-lithium-ion" battery generation, because of its high theoretical specific capacity and inherently low cost. The role of the electrolyte is particularly important in this system and remarkable battery performances have been reported by tuning the amount of salt in the electrolyte. To further understand the reasons for such improvements we chose the lithium bis(trifluoromethanesulfonyl)imide in 1,3-dioxolane electrolyte as a model salt-solvent system for a systematic study of conductivity and viscosity over a wide range of concentration from 10-5 up to 5 molal...
December 11, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29227583/single-point-mutation-on-the-gene-encoding-dysbindin-results-in-recognition-deficits
#16
Eric H Chang, Kayla Fernando, Lok Wan E Yeung, Kristina Barbari, Toni-Shay S Chandon, Anil K Malhotra
The dystrobrevin-binding protein 1 (DTNBP1) gene is a candidate risk factor for schizophrenia and has been associated with cognitive ability in both patient populations and healthy controls. DTNBP1 encodes dysbindin protein, which is localized to synaptic sites and is reduced in the prefrontal cortex and hippocampus of patients with schizophrenia, indicating a potential role in schizophrenia etiology. Most studies of dysbindin function have focused on the sandy (sdy) mice that lack dysbindin protein and have a wide range of abnormalities...
December 11, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/29227558/rna-sequencing-identifies-gene-regulatory-networks-controlling-extracellular-matrix-synthesis-in-intervertebral-disk-tissues
#17
Scott M Riester, Yang Lin, Wei Wang, Lin Cong, Abdel-Moneim Mohamed Ali, Sun H Peck, Lachlan J Smith, Bradford L Currier, Michelle Clark, Paul Huddleston, William Krauss, Michael J Yaszemski, Mark E Morrey, Matthew P Abdel, Mohamad Bydon, Wenchun Qu, A Noelle Larson, Andre J van Wijnen, Ahmad Nassr
Degenerative disk disease of the spine is a major cause of back pain and disability. Optimization of regenerative medical therapies for degenerative disk disease requires a deep mechanistic understanding of the factors controlling the structural integrity of spinal tissues. In this investigation, we sought to identify candidate regulatory genes controlling extracellular matrix synthesis in spinal tissues. To achieve this goal we performed high throughput next generation RNA sequencing on 39 annulus fibrosus and 21 nucleus pulposus human tissue samples...
December 11, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29227532/lncrna-xist-functions-as-a-molecular-sponge-of-mir-194-5p-to-regulate-mapk1-expression-in-hepatocellular-carcinoma-cell
#18
Qinglei Kong, Shaoquan Zhang, Caiqian Liang, Ying Zhang, Qingcong Kong, Shuxian Chen, Jie Qin, Yi Jin
Increasing evidence highlights the important role of XIST, a long non-coding RNA (lncRNA), in the regulation of multiple cancers. However, the underlying mechanism of XIST in human hepatocellular carcinoma (HCC) still remains to be explored. Herein, intended to investigate the functional role of XIST in HCC initiation and progression. We first detected that XIST was significantly upregulated in HCC tissues and associated with tumor size and vascular invasion. Gain- and loss-of-function of XIST further presented that XIST promoted the progression of HCC cells, including proliferation, migration, and invasion...
December 11, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29227449/early-outcomes-with-a-slim-modiolar-cochlear-implant-electrode-array
#19
Jonathan L McJunkin, Nedim Durakovic, Jacques Herzog, Craig A Buchman
OBJECTIVE: To describe outcomes from cochlear implantation with a new, slim modiolar electrode array. STUDY DESIGN: Retrospective cohort study. SETTING: Tertiary referral centers. PATIENTS: Adult cochlear implant candidates. INTERVENTIONS: Cochlear implantation with CI532 (Cochlear Corp). MAIN OUTCOME MEASURES: Pre- and postoperative speech perception scores, operative details, and postoperative computed tomography (CT) reconstructions of array location...
January 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29227343/golgi-fragmentation-induced-by-overactivated-cyclin-dependent-kinase-5-is-associated-with-isoflurane-induced-neurotoxicity
#20
Fang-Fang Miao, Cui-Cui Kong, Yan Wu, Long Fan, Tian-Long Wang
Overactivated cyclin-dependent kinase 5 (Cdk5) induces Golgi fragmentation, which interrupts the processing and trafficking of secretory cargo and subsequently synaptic plasticity and synaptogenesis, and even leads to neuronal cell death. Cdk5 overactivation and subsequent Golgi fragmentation are involved in many neurodegenerative diseases. However, whether isoflurane-induced neurotoxicity is relevant to aberrant Cdk5 activation and subsequent Golgi fragmentation remains unknown. In the present study, we explored the underlying molecular mechanisms of isoflurane-induced neurotoxicity in primary cultured hippocampal neurons...
December 8, 2017: Neuroreport
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