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https://www.readbyqxmd.com/read/28534508/utx-promotes-hormonally-responsive-breast-carcinogenesis-through-feed-forward-transcription-regulation-with-estrogen-receptor
#1
G Xie, X Liu, Y Zhang, W Li, S Liu, Z Chen, B Xu, J Yang, L He, Z Zhang, T Jin, X Yi, L Sun, Y Shang, J Liang
UTX is implicated in embryonic development and lineage specification. However, how this X-linked histone demethylase contributes to the occurrence and progression of breast cancer remains to be clarified. Here we report that UTX is physically associated with estrogen receptor (ER) and functions in ER-regulated transcription. We showed that UTX coordinates with JHDM1D and CBP to direct H3K27 methylation-acetylation transition and to create a permissive chromatin state on ER targets. Genome-wide analysis of the transcriptional targets of UTX by ChIP-seq identified a set of genes such as chemokine receptor CXCR4 that are intimately involved in breast cancer tumorigenesis and metastasis...
May 22, 2017: Oncogene
https://www.readbyqxmd.com/read/28534506/lsd1-demethylates-hif1%C3%AE-to-inhibit-hydroxylation-and-ubiquitin-mediated-degradation-in-tumor-angiogenesis
#2
J-Y Lee, J-H Park, H-J Choi, H-Y Won, H-S Joo, D-H Shin, M K Park, B Han, K P Kim, T J Lee, C M Croce, G Kong
Lysine-specific demethylase 1 (LSD1), which has been considered as a potential therapeutic target in human cancer, has been known to regulate many biological functions through its non-histone substrates. Although LSD1-induced hypoxia-inducible factor alpha (HIF1α) demethylation has recently been proposed, the effect of LSD1 on the relationship between HIF1α post-translational modifications (PTMs) and HIF1α-induced tumor angiogenesis remains to be elucidated. Here, we identify a new methylation site of the HIF1α protein antagonized by LSD1 and the interplay between HIF1α protein methylation and other PTMs in regulating tumor angiogenesis...
May 22, 2017: Oncogene
https://www.readbyqxmd.com/read/28525378/irf5-is-elevated-in-childhood-onset-sle-and-regulated-by-histone-acetyltransferase-and-histone-deacetylase-inhibitors
#3
Jin Shu, Ling Li, Lan-Bo Zhou, Jun Qian, Zhi-Dan Fan, Li-Li Zhuang, Lu-Lu Wang, Rui Jin, Hai-Guo Yu, Guo-Ping Zhou
Interferon regulatory factor 5 (IRF5) plays a critical role in the induction of type I interferon, proinflammatory cytokines and chemokines, and participates in the pathogenesis of autoimmune diseases such as systemic lupus erythematosus (SLE). However, the relationship between IRF5 and childhood-onset SLE remains elusive. In the present study, we demonstrated that levels of mRNA expression of IRF5, IFN-α, and Sp1 were significantly increased in childhood-onset SLE, as seen on quantitative real-time PCR, and the expression of Sp1 and IFN-α was positively correlated with IRF5...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28523540/rubinstein-taybi-syndrome-and-epigenetic-alterations
#4
Edward Korzus
Rubinstein-Taybi syndrome (RSTS) is a rare genetic disorder in humans characterized by growth and psychomotor delay, abnormal gross anatomy, and mild to severe mental retardation (Rubinstein and Taybi, Am J Dis Child 105:588-608, 1963, Hennekam et al., Am J Med Genet Suppl 6:56-64, 1990). RSTS is caused by de novo mutations in epigenetics-associated genes, including the cAMP response element-binding protein (CREBBP), the gene-encoding protein referred to as CBP, and the EP300 gene, which encodes the p300 protein, a CBP homologue...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28522733/activation-of-perk-elicits-memory-impairment-through-inactivation-of-creb-and-downregulation-of-psd95-following-traumatic-brain-injury
#5
Tanusree Sen, Rajaneesh Gupta, Helen Kaiser, Nilkantha Sen
The PKR-like ER kinase (PERK) a transmembrane protein resides in the endoplasmic reticulum (ER) and activation of PERK serve as a key sensor of ER-stress which has been implicated in Traumatic Brain Injury (TBI). The loss of memory is one of the most common symptoms following TBI; however, the precise role of PERK activation in memory impairment after TBI has not been well elucidated. Here we have shown that blocking the activation of PERK using GSK2656157 prevents the loss of dendritic spines and rescues memory deficits following TBI...
May 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28513807/the-nuclear-pore-protein-nup153-associates-with-chromatin-and-regulates-cardiac-gene-expression-in-dystrophic-mdx-hearts
#6
Simona Nanni, Agnese Re, Cristian Ripoli, Aoife Gowran, Patrizia Nigro, Domenico D'Amario, Antonio Amodeo, Filippo Crea, Claudio Grassi, Alfredo Pontecorvi, Antonella Farsetti, Claudia Colussi
Aims: Beyond the control of nuclear-cytoplasmic trafficking nucleoporins regulate gene expression and are involved in cardiac diseases. Notably, a number of cardiovascular disorders have been linked to alterations in epigenetic mechanisms. Here we aimed to determine the contribution of Nup153 to the epigenetic alterations occurring in cardiomyopathy of dystrophin-deficient mdx mice (C57BL/10ScSn-Dmd mdx /J). Methods and results: Nup153 was lysine-acetylated and its expression was significantly increased at protein level in mdx hearts compared with controls...
November 1, 2016: Cardiovascular Research
https://www.readbyqxmd.com/read/28513655/boron-difluoride-hemicurcuminoid-as-an-efficient-far-red-to-near-infrared-emitter-toward-oleds-and-laser-dyes
#7
A D'Aléo, M H Sazzad, D H Kim, E Y Choi, J W Wu, G Canard, F Fages, J-C Ribierre, C Adachi
A hemicurcuminoid boron difluoride complex is used as an emitter in organic light-emitting diodes, showing far red/near-infrared electroluminescence with an external quantum efficiency as high as 2.1%. This dye blended in CBP thin films shows amplified spontaneous emission with a threshold of 22 μJ cm(-2) at 750 nm, making this compound attractive for organic semiconductor lasers operating in the near-infrared region.
May 17, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28511162/improvement-of-the-complex-medical-treatment-for-the-patients-w%C3%B1-th-chronic-biliary-pancreatitis
#8
L S Babinets, K Yu Kytsai, Yu Ya Kotsaba, I M Halabitska, N A Melnyk, I V Semenova, O S Zemlyak
INTRODUCTION: The most common reason of chronic pancreatitis is liver and bile ducts disease: functional disorders, chronic cholecystitis, cholelithiasis and cholecystectomy in medical history. All these changes are associated with the colloidal structure of bile, increased lithogenicity, gallstones formation, Oddi's sphincter dysfunction, dysmotility and inflammation in the bile ducts. THE AIM: to study the effectiveness of using medicine Liveria IC (metadoxine) in standard therapy as well as effect on spectrum of blood serum lipids and structural condition of liver (stiffness) and pancreas in patients with chronic biliary pancreatitis combined with obesity...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28503898/evaluation-of-initial-setup-errors-of-two-immobilization-devices-for-lung-stereotactic-body-radiation-therapy-sbrt
#9
Yoshihiro Ueda, Teruki Teshima, Higinia Cárdenes, Indra J Das
The aim of this study was to investigate the accuracy and efficacy of two commonly used commercial immobilization systems for stereotactic body radiation therapy (SBRT) in lung cancer. This retrospective study assessed the efficacy and setup accuracy of two immobilization systems: the Elekta Body Frame (EBF) and the Civco Body Pro-Lok (CBP) in 80 patients evenly divided for each system. A cone beam CT (CBCT) was used before each treatment fraction for setup correction in both devices. Analyzed shifts were applied for setup correction and CBCT was repeated...
May 14, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28503674/identifying-brain-nociceptive-information-transmission-in-patients-with-chronic-somatic-pain
#10
Don A Davis, Mariam E Ghantous, Melissa A Farmer, Alexis T Baria, A Vania Apkarian
INTRODUCTION: Recent advances regarding mechanisms of chronic pain emphasize the role of corticolimbic circuitry in predicting risk for chronic pain, independently from site of injury-related parameters. These results compel revisiting the role of peripheral nociceptive signaling in chronic pain. We address this issue by examining what brain circuitry transmit information regarding the intensity of chronic pain and how this information may be related to a common co-morbidity, depression...
October 2016: Pain Reports (Baltimore, Md.)
https://www.readbyqxmd.com/read/28501104/knockdown-of-cbp-p300-interacting-transactivator-with-glu-asp-rich-carboxy-terminal-domain-2-inhibits-cell-division-and-increases-apoptosis-in-gastric-cancer
#11
Ze Tang, Gan He, Jie Xu, Li Zhongfu
BACKGROUND: Cbp/P300-interacting transactivator with Glu/Asp-rich carboxy-terminal domain 2 (CITED2) is a pleiotropic protein associated with numerous cell functions, including transcription and differentiation. The role of CITED2 has been investigated in a number of malignancies; however, the roles of this protein in gastric cancers remain unclear. Therefore, we determined the role of CITED2 in gastric cancers. MATERIALS AND METHODS: Gastric cancer cell lines (MKN74, MKN28, 7901, and AGS) were used to assess CITED2 transcript levels...
May 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28493745/-treating-adult-survivors-of-childhood-emotional-abuse-and-neglect-a-new-framework-correction-to-grossman-et-al-2017
#12
(no author information available yet)
Reports an error in "Treating adult survivors of childhood emotional abuse and neglect: A new framework" by Frances K. Grossman, Joseph Spinazzola, Marla Zucker and Elizabeth Hopper (American Journal of Orthopsychiatry, 2017, Vol 87[1], 86-93). In the article, in the second sentence of the third paragraph of the "The Empirical Base for CBP" section, "construction of a life narrative" should have read "construction of a trauma narrative." The full corrected sentence follows: "Therefore, the trauma treatment component traditionally focused upon construction of a trauma narrative must be expanded to address the effects of trauma on our clients' entire life narratives, including their development of a sense of self and social identity...
2017: American Journal of Orthopsychiatry
https://www.readbyqxmd.com/read/28488757/stimulation-of-pol-iii-dependent-5s-rrna-and-u6-snrna-gene-expression-by-ap-1-transcription-factors
#13
Richa Ahuja, Vijay Kumar
RNA polymerase III transcribes structurally diverse group of essential non-coding RNAs including 5S rRNA and U6 snRNA. These non-coding RNAs are involved in RNA processing and ribosome biogenesis, thus, coupling Pol III activity to the rate of protein synthesis, cell growth and proliferation. Even though a few Pol II-associated transcription factors have been reported to participate in Pol III-dependent transcription, its activation by AP-1 factors c-Fos and c-Jun has remained unexplored. Here, we show that c-Fos and c-Jun bind to specific sites in the regulatory regions of 5S rRNA (type I) and U6 snRNA (type III) gene promoters and stimulate their transcription...
May 10, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28488229/chronic-prostatitis-and-its-detrimental-impact-on-sperm-parameters-a-systematic-review-and-meta-analysis
#14
R A Condorelli, G Ivan Russo, A E Calogero, G Morgia, S La Vignera
PURPOSE: Prostatitis is a very common urogenital disease of the male with prevalence ranging from 2.2 to 9.7% worldwide. Interestingly, some recent evidences have showed a significant association between chronic prostatitis (CP) and male infertility including a detrimental effect on sperm parameters, reduction of zinc concentration on semen sperm and production of anti-semen antibodies (ASAs). The aim of the current meta-analysis was to evaluate the association between CP and alteration of semen parameters...
May 9, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28482383/-efficacy-of-continuous-blood-purification-in-treatment-of-severe-acute-pancreatitis-in-children
#15
Y Zhu, Y Cui, Y C Zhang, H J Miao, F Wang, R X Chen, Q F Rong
Objective: To explore the therapeutic role of bedside continuous blood purification(CBP) in children with severe acute pancreatitis(SAP). Method: The clinical and laboratory data of 11 children with SAP who were admitted to Pediatric Intensive Care Unit (PICU) of Shanghai Children's Hospital from June 2013 to May 2016 were analyzed, including using pediatric critical illness score (PCIS) and pediatric risk of score mortality (PRISM)-Ⅲ score to assessing the severity of the disease.For those patients with severe organ dysfunction, CBP treatment was used when conventional therapy was not efficient...
May 4, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28479420/cbp-catenin-antagonists-targeting-lsc-s-achilles-heel
#16
REVIEW
Yong-Mi Kim, EunJi Gang, Michael Kahn
Cancer Stem Cells (CSCs) including Leukemia Stem Cells (LSCs) exhibit self-renewal capacity and differentiation potential, and have the capacity to maintain or renew and propagate a tumor/leukemia. The initial isolation of CSCs/LSCs was in adult myelogenous leukemia, although more recently, the existence of CSCs in a wide variety of other cancers has been demonstrated. CSCs in general, and LSCs specifically in regards to this review, are responsible for initiation of disease, therapeutic resistance and ultimately disease relapse...
May 4, 2017: Experimental Hematology
https://www.readbyqxmd.com/read/28474232/ets-targeted-therapy-can-it-substitute-for-mek-inhibitors
#17
REVIEW
Osamu Tetsu, Frank McCormick
BACKGROUND: The RAS/MAPK pathway has been intensively studied in cancer. Constitutive activation of ERK1 and ERK2 is frequently found in cancer cells from a variety of tissues. In clinical practice and clinical trials, small molecules targeting receptor tyrosine kinases or components in the MAPK cascade are used for treatment. MEK1 and MEK2 are ideal targets because these enzymes are physiologically important and have narrow substrate specificities and distinctive structural characteristics...
December 2017: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/28469704/development-of-a-core-clostridium-thermocellum-kinetic-metabolic-model-consistent-with-multiple-genetic-perturbations
#18
Satyakam Dash, Ali Khodayari, Jilai Zhou, Evert K Holwerda, Daniel G Olson, Lee R Lynd, Costas D Maranas
BACKGROUND: Clostridium thermocellum is a Gram-positive anaerobe with the ability to hydrolyze and metabolize cellulose into biofuels such as ethanol, making it an attractive candidate for consolidated bioprocessing (CBP). At present, metabolic engineering in C. thermocellum is hindered due to the incomplete description of its metabolic repertoire and regulation within a predictive metabolic model. Genome-scale metabolic (GSM) models augmented with kinetic models of metabolism have been shown to be effective at recapitulating perturbed metabolic phenotypes...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28468361/exciton-enhancement-and-exciplex-quenching-by-plasmonic-effect-of-aluminum-nanoparticle-arrays-in-a-blue-organic-light-emitting-diode
#19
Samira Khadir, AmadouThierno Diallo, Mahmoud Chakaroun, Azzedine Boudrioua
We report the investigation of plasmonic effect of array of aluminum nanoparticles (Al-NPs) on blue micro-OLED subject to exciplex emission. N,N'-Di(1-naphthyl)-N,N'-diphenyl-(1,1'-biphenyl)-4,4'-diamine (NPB) andcarbazol derivative 4,4'-bis(N-carbazolyl)-1,1'-biphenyl (CBP) have been used as the emitting layer (EML) and hole transport layer (HTL), respectively. For the reference µ-OLED without Al-NPs, we observed two emission peaks attributed to CBP emission and exciplex emission formed at the NPB/CBP (EML/HTL) interface...
May 1, 2017: Optics Express
https://www.readbyqxmd.com/read/28465257/5-fluorouracil-targets-histone-acetyltransferases-p300-cbp-in-the-treatment-of-colorectal-cancer
#20
Changzheng Du, Dandan Huang, Yifan Peng, Yunfeng Yao, Ying Zhao, Yang Yang, Haiying Wang, Linlin Cao, Wei-Guo Zhu, Jin Gu
Although 5-fluorouracil (5-FU) is known to interfere with the synthesis of ribonucleic acid and deoxyribonucleic acid, the mechanism underlying its therapeutic efficacy in colorectal cancer (CRC) has not been fully elucidated. We aimed to investigate the influence of 5-FU on histone acetylation, a well-established anti-cancer target, to reveal novel pharmacological effects of 5-FU and their significance for CRC therapy. Results demonstrated that 5-FU induces global histone de-acetylation in multiple CRC cell lines...
April 29, 2017: Cancer Letters
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