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https://www.readbyqxmd.com/read/28723851/indocyanine-green-angiography-of-pachychoroid-pigment-epitheliopathy
#1
M Giray Ersoz, Serra Arf, Mumin Hocaoglu, Isil Sayman Muslubas, Murat Karacorlu
PURPOSE: To compare choroidal hyperpermeability and vessel density between eyes with central serous chorioretinopathy (CSC), those with pachychoroid pigment epitheliopathy (PPE) and those with uncomplicated pachychoroid (UCP). METHODS: We retrospectively reviewed indocyanine green angiography images of 60 patients with unilateral active CSC who had PPE (36 eyes) or UCP (24 eyes) in their fellow eyes. We used color thresholding of indocyanine green angiography images to determine choroidal vessel density...
July 18, 2017: Retina
https://www.readbyqxmd.com/read/28722658/the-golgi-localized-gamma-ear-containing-arf-binding-gga-protein-family-alters-alpha-synuclein-%C3%AE-syn-oligomerization-and-secretion
#2
Bjoern von Einem, Judith Eschbach, Martin Kiechle, Anke Wahler, Dietmar R Thal, Pamela J McLean, Jochen H Weishaupt, Albert C Ludolph, Christine A F von Arnim, Karin M Danzer
Several age-related neurodegenerative disorders are associated with protein misfolding and aggregation of toxic peptides. α-synuclein (α-syn) aggregation and the resulting cytotoxicity is a hallmark of Parkinson's disease (PD) as well as dementia with Lewy bodies. Rising evidence points to oligomeric and pre-fibrillar forms as the pathogenic species, and oligomer secretion seems to be crucial for the spreading and progression of PD pathology. Recent studies implicate that dysfunctions in endolysosomal/autophagosomal pathways increase α-syn secretion...
July 15, 2017: Aging
https://www.readbyqxmd.com/read/28722115/transcriptional-profiling-of-mechanically-and-genetically-sink-limited-soybeans
#3
Anne V Brown, Karen A Hudson
The absence of a reproductive sink causes physiological and morphological changes in soybean plants. These include increased accumulation of nitrogen and starch in the leaves and delayed leaf senescence. To identify transcriptional changes that occur in leaves of these sink-limited plants, we used RNAseq to compare gene expression levels in trifoliate leaves from depodded and ms6 male sterile soybean plants and control plants. In both sink-limited tissues, we observed a deferral of the expression of senescence-associated genes and a continued expression of genes associated with leaf maturity...
July 19, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28708052/high-prevalence-of-antibodies-to-core-1-arf-protein-in-hcv-infected-patients-with-advanced-cirrhosis
#4
Katerina Kassela, Ioannis Karakasiliotis, Stefanos Charpantidis, John Koskinas, Theodora Mylopoulou, Konstantinos Mimidis, Christoph Sarrazin, Georgios Grammatikos, Penelope Mavromara
Hepatitis C virus (HCV) possesses a second open reading frame (ORF) within the core gene encoding an additional protein, known as the alternative reading frame protein (ARFP), F or core+1. The biological significance of the core+1/ARF protein remains elusive. However, several independent studies have shown the presence of core+1/ARFP antibodies in chronically HCV-infected patients. Furthermore, a higher prevalence of core+1/ARFP antibodies was detected in patients with HCV-associated hepatocellular carcinoma (HCC)...
July 15, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28704762/combined-inhibition-of-cdk4-6-and-pi3k-akt-mtor-pathways-induces-a-synergistic-anti-tumor-effect-in-malignant-pleural-mesothelioma-cells
#5
Mara A Bonelli, Graziana Digiacomo, Claudia Fumarola, Roberta Alfieri, Federico Quaini, Angela Falco, Denise Madeddu, Silvia La Monica, Daniele Cretella, Andrea Ravelli, Paola Ulivi, Michela Tebaldi, Daniele Calistri, Angelo Delmonte, Luca Ampollini, Paolo Carbognani, Marcello Tiseo, Andrea Cavazzoni, Pier Giorgio Petronini
Malignant pleural mesothelioma (MPM) is a progressive malignancy associated to the exposure of asbestos fibers. The most frequently inactivated tumor suppressor gene in MPM is CDKN2A/ARF, encoding for the cell cycle inhibitors p16(INK4a) and p14(ARF), deleted in about 70% of MPM cases. Considering the high frequency of alterations of this gene, we tested in MPM cells the efficacy of palbociclib (PD-0332991), a highly selective inhibitor of cyclin-dependent kinase (CDK) 4/6. The analyses were performed on a panel of MPM cell lines and on two primary culture cells from pleural effusion of patients with MPM...
July 10, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28704415/c-elegans-sma-10-regulates-bmp-receptor-trafficking
#6
Ryan J Gleason, Mehul Vora, Ying Li, Nanci S Kane, Kelvin Liao, Richard W Padgett
Signal transduction of the conserved transforming growth factor-β (TGFβ) family signaling pathway functions through two distinct serine/threonine transmembrane receptors, the type I and type II receptors. Endocytosis orchestrates the assembly of signaling complexes by coordinating the entry of receptors with their downstream signaling mediators. Recently, we showed that the C. elegans type I bone morphogenetic protein (BMP) receptor SMA-6, part of the TGFβ family, is recycled through the retromer complex while the type II receptor, DAF-4 is recycled in a retromer-independent, ARF-6 dependent manner...
2017: PloS One
https://www.readbyqxmd.com/read/28703201/retraction-oncogenic-activity-of-cdc6-through-repression-of-the-ink4-arf-locus
#7
Susana Gonzalez, Peter Klatt, Sonia Delgado, Esther Conde, Fernando Lopez-Rios, Montserrat Sanchez-Cespedes, Juan Mendez, Francisco Antequera, Manuel Serrano
This corrects the article DOI: 10.1038/nature04585.
July 12, 2017: Nature
https://www.readbyqxmd.com/read/28702273/the-arf-activator-gbf1-localizes-to-plasma-membrane-sites-involved-in-cell-adhesion-and-motility
#8
Theodore Busby, Justyna M Meissner, Melanie L Styers, Jay Bhatt, Akhil Kaushik, Anita B Hjelmeland, Elizabeth Sztul
No abstract text is available yet for this article.
2017: Cellular Logistics
https://www.readbyqxmd.com/read/28698265/risk-factors-for-noninvasive-ventilation-failure-in-critically-ill-subjects-with-confirmed-influenza-infection
#9
Alejandro Rodríguez, Cristina Ferri, Ignacio Martin-Loeches, Emili Díaz, Joan R Masclans, Federico Gordo, Jordi Sole-Violán, María Bodí, Francesc X Avilés-Jurado, Sandra Trefler, Monica Magret, Gerard Moreno, Luis F Reyes, Judith Marin-Corral, Juan C Yebenes, Andres Esteban, Antonio Anzueto, Stefano Aliberti, Marcos I Restrepo
BACKGROUND: Despite wide use of noninvasive ventilation (NIV) in several clinical settings, the beneficial effects of NIV in patients with hypoxemic acute respiratory failure (ARF) due to influenza infection remain controversial. The aim of this study was to identify the profile of patients with risk factors for NIV failure using chi-square automatic interaction detection (CHAID) analysis and to determine whether NIV failure is associated with ICU mortality. METHODS: This work was a secondary analysis from prospective and observational multi-center analysis in critically ill subjects admitted to the ICU with ARF due to influenza infection requiring mechanical ventilation...
July 11, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28692495/the-clinical-significance-of-technetium-99m-methylene-diphosphonate-bone-scintigraphy-findings-in-patients-with-rhabdomyolysis
#10
Jeong Won Lee, Eun-Young Lee, Sae-Yong Hong, Ik Dong Yoo, Sang Mi Lee
OBJECTIVE: This study evaluated the relationship between bone scintigraphy finding and clinical factors and assessed the prognostic value of bone scintigraphy finding in patients with rhabdomyolysis. PATIENTS AND METHODS: We retrospectively enrolled 143 patients with rhabdomyolysis who had undergone bone scintigraphy. Bone scintigraphy was classified into three groups: no or equivocal soft tissue uptake, a localized uptake, and a diffuse uptake. The relationship of bone scintigraphy findings with clinical factors was evaluated...
July 7, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28688809/use-of-the-spot-vision-screener-for-patients-with-developmental-disability
#11
Amanda L Marzolf, M Millicent Peterseim, Blake D Forcina, Carrie Papa, M Edward Wilson, Edward W Cheeseman, Rupal H Trivedi
PURPOSE: To determine whether the Spot Vision Screener effectively detects amblyopia risk factors (ARF) in patients with developmental disability using the 2013 guidelines of the American Association for Pediatric Ophthalmology and Strabismus (AAPOS). METHODS: Children with developmental disability presenting for complete pediatric ophthalmologic examination were prospectively enrolled between June 2012 and March 2016. The following data were analyzed: presence of ARF according to the AAPOS guidelines, refraction, eye alignment, and other ocular pathology...
July 5, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28688373/deletion-of-rd-ink4-arf-enhancer-a-novel-mutation-to-inactivate-the-ink4-arf-locus
#12
REVIEW
Ming J Poi, Thomas J Knobloch, Junan Li
The presence of an enhancer element, RD(INK4/ARF) (RD), in the prominent INK4-ARF locus provides a novel en bloc mechanism to simultaneously regulate the transcription of the p15(INK4B) (p15), p16(INK4A) (p16), and p14(ARF) tumor suppressor genes. While genetic inactivation of p15, p16, and p14(ARF) in human cancers has been extensively studied, little is known about RD alteration and its potential contributions to cancer progression. In this review, we discuss recent developments in RD alteration and its association with p15, p16, and p14(ARF) alterations in human cancers, and demonstrate that RD deletion may represent a novel mechanism to simultaneously down-regulate p15, p16, and p14(ARF), thus promoting carcinogenesis...
June 24, 2017: DNA Repair
https://www.readbyqxmd.com/read/28682564/-complement-factor-b-mutation-in-atypical-hemolytic-uremic-syndrome-rare-cause-of-rare-disease
#13
Luca Visconti, Valeria Cernaro, Gianluigi Ardissino, Martina Sgarbanti, Domenico Ferrara, Giuseppe Visconti, Domenico Santoro, Michele Buemi
Hemolytic uremic syndrome (HUS) is a rare disease characterized by microangiopathic hemolysis, platelet consumption and multiple organ failure with predominant renal involvement. In the most of cases (85-90%), it is associated with enteric infection due to Shiga-toxin or verocytotoxin (STEC-VTEC)-producer Escherichia coli. Rarely, in about 10-15% of cases, HUS develops in the presence of a disorder of alternative complement pathway regulation and it is defined atypical (aHUS). We describe the case of a 65-year-old man who came to our attention with a clinical presentation of aHUS and a clinical course characterized by rapidly progressive acute renal failure (ARF), which required renal replacement treatments, and by a stable clinical picture of hematological impairment as a marker of a non-severe and self-limiting form...
April 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28680740/haploinsufficient-tumor-suppressor-genes
#14
Kazushi Inoue, Elizabeth A Fry
Haploinsufficiency of tumor suppressor genes (TSGs) indicates that the reduced levels of proteins in cells that lack one allele of the genomic locus results in the inability of the cell to execute normal cellular functions contributing to tumor development. Representative cases of haploinsufficient TSGs are p27(Kip1), p53, DMP1, NF1, and PTEN. Tumor development is significantly accelerated in both mice with homozygous and heterozygous gene deletion, with expression of the wild type allele in the latter. Newly characterized TSGs such as AML1, EGR1, TGFβR1/2, and SMAD4 have also shown haploid insufficiency for tumor suppression...
2017: Advances in Medicine and Biology
https://www.readbyqxmd.com/read/28680156/miniature-probe-for-mapping-mechanical-properties-of-vascular-lesions-using-acoustic-radiation-force-optical-coherence-elastography
#15
Yueqiao Qu, Teng Ma, Youmin He, Mingyue Yu, Jiang Zhu, Yusi Miao, Cuixia Dai, Pranav Patel, K Kirk Shung, Qifa Zhou, Zhongping Chen
Cardiovascular diseases are the leading cause of fatalities in the United States. Atherosclerotic plaques are one of the primary complications that can lead to strokes and heart attacks if left untreated. It is essential to diagnose the disease early and distinguish vulnerable plaques from harmless ones. Many methods focus on the structural or molecular properties of plaques. Mechanical properties have been shown to change drastically when abnormalities develop in arterial tissue. We report the development of an acoustic radiation force optical coherence elastography (ARF-OCE) system that uses an integrated miniature ultrasound and optical coherence tomography (OCT) probe to map the relative elasticity of vascular tissues...
July 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28674551/high-mir156-expression-is-required-for-auxin-induced-adventitious-root-formation-via-mxspl26-independent-of-pins-and-arfs-in-malus-xiaojinensis
#16
Xiaozhao Xu, Xu Li, Xingwang Hu, Ting Wu, Yi Wang, Xuefeng Xu, Xinzhong Zhang, Zhenhai Han
Adventitious root formation is essential for the vegetative propagation of perennial woody plants. During the juvenile-to-adult phase change mediated by the microRNA156 (miR156), the adventitious rooting ability decreases dramatically in many species, including apple rootstocks. However, the mechanism underlying how miR156 affects adventitious root formation is unclear. In the present study, we showed that in the presence of the synthetic auxin indole-3-butyric acid (IBA), semi-lignified leafy cuttings from juvenile phase (Mx-J) and rejuvenated (Mx-R) Malus xiaojinensis trees exhibited significantly higher expression of miR156, PIN-FORMED1 (PIN1), PIN10, and rootless concerning crown and seminal roots-like (RTCS-like) genes, thus resulting in higher adventitious rooting ability than those from adult phase (Mx-A) trees...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28672994/rapamycin-enhances-the-antiproliferative-effect-of-transforming-growth-factor-%C3%AE-on-mcf-7-human-breast-cancer-cells
#17
Guoping Wang, Tao Yin
Transforming growth factor-β (TGF-β), a well-known cytokine with pleiotropic biological functions, has an important role in the regulation of cellular proliferation. Rapamycin has specific antagonistic activity on the function of the mammalian target of the rapamycin signaling pathway. The cooperation of TGF-β and rapamycin on the proliferation of Michigan Cancer Foundation (MCF)-7 human breast cancer cells is unclear. The present study demonstrated that TGF-β had a growth-arresting effect on MCF-7 cancer cells...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28671688/the-genomic-landscape-of-pediatric-and-young-adult-t-lineage-acute-lymphoblastic-leukemia
#18
Yu Liu, John Easton, Ying Shao, Jamie Maciaszek, Zhaoming Wang, Mark R Wilkinson, Kelly McCastlain, Michael Edmonson, Stanley B Pounds, Lei Shi, Xin Zhou, Xiaotu Ma, Edgar Sioson, Yongjin Li, Michael Rusch, Pankaj Gupta, Deqing Pei, Cheng Cheng, Malcolm A Smith, Jaime Guidry Auvil, Daniela S Gerhard, Mary V Relling, Naomi J Winick, Andrew J Carroll, Nyla A Heerema, Elizabeth Raetz, Meenakshi Devidas, Cheryl L Willman, Richard C Harvey, William L Carroll, Kimberly P Dunsmore, Stuart S Winter, Brent L Wood, Brian P Sorrentino, James R Downing, Mignon L Loh, Stephen P Hunger, Jinghui Zhang, Charles G Mullighan
Genetic alterations that activate NOTCH1 signaling and T cell transcription factors, coupled with inactivation of the INK4/ARF tumor suppressors, are hallmarks of T-lineage acute lymphoblastic leukemia (T-ALL), but detailed genome-wide sequencing of large T-ALL cohorts has not been carried out. Using integrated genomic analysis of 264 T-ALL cases, we identified 106 putative driver genes, half of which had not previously been described in childhood T-ALL (for example, CCND3, CTCF, MYB, SMARCA4, ZFP36L2 and MYCN)...
July 3, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28659948/the-multitalented-mediator25
#19
REVIEW
Kemal Kazan
The multi-subunit Mediator complex, which links DNA-bound transcription factors to RNA Pol II during transcription, is an essential regulator of gene expression in all eukaryotes. Individual subunits of the Mediator complex integrate numerous endogenous and exogenous signals. In this paper, diverse regulatory functions performed by MEDIATOR25 (MED25), one of the subunits of the plant Mediator complex are reviewed. MED25 was first identified as a regulator of flowering time and named PHYTOCHROME AND FLOWERING TIME1 (PFT1)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28652957/a-retrospective-study-of-acute-renal-failure-in-children-its-incidence-etiology-complications-and-prognosis
#20
Kadar Ismail Hassan, Jama Hodan M, Chunfu Li
BACKGROUND: Acute renal failure (ARF) developed due to various causes and may lead to significant morbidity and mortality among pediatric patients. OBJECTIVES: The study was conducted to determine the incidence, etiology, outcome of treatment and clinical presentation of ARF in pediatric patients in Somalia. METHODS: Comprehensive case history of 39 pediatric patients below 12 years of age, admitted with renal diseases in four tertiary care hospitals in Hargeisa and Borama cities in Somalia during December 2015 to November 2016...
May 25, 2017: Curēus
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