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https://www.readbyqxmd.com/read/28087460/identification-of-the-doublesex-protein-binding-sites-that-activate-expression-of-lozenge-in-the-female-genital-disc-in-drosophila-melanogaster
#1
Shunsuke Wagamitsu, Dan Takase, Fugaku Aoki, Masataka G Suzuki
Normal sexual differentiation in the genital organs is essential for the animal species that use sexual reproduction. Although it is known that doublesex (dsx) is required for the sexual development of the genitalia in various insect species, the direct target genes responsible for the sexual differentiation of the genitalia have not been identified. The lozenge (lz) gene is expressed in the female genital disc and is essential for developments of spermathecae and accessory glands in Drosophila melanogaster...
January 10, 2017: Mechanisms of Development
https://www.readbyqxmd.com/read/28077791/carcinoma-risk-variant-of-ebna1-deregulates-epstein-barr-virus-episomal-latency
#2
Jayaraju Dheekollu, Kimberly Malecka, Andreas Wiedmer, Henri-Jacques Delecluse, Alan Ks Chiang, Dario C Altieri, Troy E Messick, Paul M Lieberman
Epstein-Barr Virus (EBV) latent infection is a causative co-factor for endemic Nasopharyngeal Carcinoma (NPC). NPC-associated variants have been identified in EBV-encoded nuclear antigen EBNA1. Here, we solve the X-ray crystal structure of an NPC-derived EBNA1 DNA binding domain (DBD) and show that variant amino acids are found on the surface away from the DNA binding interface. We show that NPC-derived EBNA1 is compromised for DNA replication and episome maintenance functions. Recombinant virus containing the NPC EBNA1 DBD are impaired in their ability to immortalize primary B-lymphocytes and suppress lytic transcription during early stages of B-cell infection...
January 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28045389/crystal-structure-of-an-iclr-homologue-from-microbacterium-sp-strain-hm58-2
#3
Tomonori Akiyama, Yusuke Yamada, Naoki Takaya, Shinsaku Ito, Yasuyuki Sasaki, Shunsuke Yajima
The bacterial transcription factor IclR (isocitrate lyase regulator) is a member of a one-component signal transduction system, which shares the common motif of a helix-turn-helix (HTH)-type DNA-binding domain (DBD) connected to a substrate-binding domain (SBD). Here, the crystal structure of an IclR homologue (Mi-IclR) from Microbacterium sp. strain HM58-2, which catabolizes acylhydrazide as the sole carbon source, is reported. Mi-IclR is expected to regulate an operon responsible for acylhydrazide degradation as an initial step...
January 1, 2017: Acta Crystallographica. Section F, Structural Biology Communications
https://www.readbyqxmd.com/read/28044425/immediate-effects-of-diamond-burr-debridement-in-patients-with-spontaneous-chronic-corneal-epithelial-defects-light-and-electron-microscopic-evaluation
#4
Charlotte Dawson, Carolina Naranjo, Belen Sanchez-Maldonado, Georgina V Fricker, Rose N Linn-Pearl, Natalia Escanilla, Christiane Kafarnik, David J Gould, Rick F Sanchez, Marian Matas-Riera
PURPOSE: To evaluate immediate effects of diamond burr debridement (DBD) on the cornea of canine patients diagnosed with spontaneous chronic corneal epithelial defects (SCCEDs). ANIMALS STUDIED: Eight client owned dogs with SCCEDs. METHODS: Nine eyes from eight dogs with SCCEDs underwent superficial keratectomy (SK). The ulcerated area was divided into quadrants with a 300-micron restricted depth knife. Two of four quadrants underwent DBD for 40-60 s...
January 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28027614/decision-modelling-in-donation-after-circulatory-death-dcd-liver-transplantation
#5
K A McLean, J Camilleri-Brennan, S R Knight, T Drake, R Ots, C A Shaw, S J Wigmore, E M Harrison
INTRODUCTION: Donation after circulatory death (DCD) liver allografts are increasingly used for transplantation. However, the post-transplantation clinical and quality of life outcomes of DCD recipients are traditionally considered to be inferior compared with donation after brain death (DBD) allograft recipients. Decision making for such marginal organs can be difficult. This study investigated the optimal decision to accept or decline a DCD liver allograft for a patient based on their current health...
December 27, 2016: Liver Transplantation
https://www.readbyqxmd.com/read/28027600/comparison-of-long-term-outcomes-and-quality-of-life-in-recipients-of-donation-after-cardiac-death-liver-grafts-with-a-propensity-matched-cohort
#6
K P Croome, D D Lee, D K Perry, J M Burns, J H Nguyen, A P Keaveny, C B Taner
BACKGROUND: The use of liver grafts from donation after cardiac death donors (DCD LT) has been limited due to the increased rate of graft failure, mostly related to ischemic cholangiopathy(IC). It is our hypothesis that long term outcomes and quality of life similar to patients undergoing liver transplantation with donation after brain death donors (DBD LT) can be achieved. METHODS: Clinical outcomes of all patients undergoing DCD LT (n = 300) between 1998-2015 were compared to a propensity score matched cohort of patients undergoing DBD LT (n = 300)...
December 27, 2016: Liver Transplantation
https://www.readbyqxmd.com/read/28012972/a-novel-peptide-9r-p201-strongly-inhibits-the-viability-proliferation-and-migration-of-liver-cancer-hepg2-cells-and-induces-apoptosis-by-down-regulation-of-foxm1-expression
#7
Zhenfei Bi, Wenrong Liu, Ruofang Ding, Yiran Wu, Rongkun Dou, Wenwen Zhang, Xue Yuan, Xinrong Liu, Lili Xiong, Zhiyun Guo, Canquan Mao
Overexpression of FoxM1 was closely related to the proliferation, metastasis, chemo-resistance and poor prognosis of various cancers. FoxM1 was regarded as the Achilles' heel of cancer and a potential target for anti-cancer drug discovery. We previously obtained several high affinity peptides from the phage random library against the DNA binding domain of FoxM1c (FoxM1c-DBD) protein. Here in this paper, we found that 9R-P201, one of the novel peptides, showed stronger inhibition to HepG2 cancer cells than those of DU145, HUVEC and L-02 cells with an IC50 of 43...
December 21, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28011069/alanine-scanning-mutagenesis-of-human-signal-transducer-and-activator-of-transcription-1-to-estimate-loss-or-gain-of-function-variants
#8
Reiko Kagawa, Ryoji Fujiki, Miyuki Tsumura, Sonoko Sakata, Shiho Nishimura, Yuval Itan, Xiao-Fei Kong, Zenichiro Kato, Hidenori Ohnishi, Osamu Hirata, Satoshi Saito, Maiko Ikeda, Jamila El Baghdadi, Aziz Bousfiha, Kaori Fujiwara, Matias Oleastro, Judith Yancoski, Laura Perez, Silvia Danielian, Fatima Ailal, Hidetoshi Takada, Toshiro Hara, Anne Puel, Stéphanie Boisson-Dupuis, Jacinta Bustamante, Jean-Laurent Casanova, Osamu Ohara, Satoshi Okada, Masao Kobayashi
BACKGROUND: Germline heterozygous mutations in human signal transducer and activator of transcription 1 (STAT1) can cause loss of function (LOF), as in patients with Mendelian susceptibility to mycobacterial diseases, or gain of function (GOF), as in patients with chronic mucocutaneous candidiasis. LOF and GOF mutations are equally rare and can affect the same domains of STAT1, especially the coiled-coil domain (CCD) and DNA-binding domain (DBD). Moreover, 6% of patients with chronic mucocutaneous candidiasis with a GOF STAT1 mutation have mycobacterial disease, obscuring the functional significance of the identified STAT1 mutations...
December 14, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27991548/non-thermal-atmospheric-pressure-plasma-efficiently-promotes-the-proliferation-of-adipose-tissue-derived-stem-cells-by-activating-no-response-pathways
#9
Jeongyeon Park, Hyunyoung Lee, Hae June Lee, Gyoo Cheon Kim, Do Young Kim, Sungbum Han, Kiwon Song
Non-thermal atmospheric pressure plasma (NTAPP) is defined as a partially ionized gas with electrically charged particles at atmospheric pressure. Our study showed that exposure to NTAPP generated in a helium-based dielectric barrier discharge (DBD) device increased the proliferation of adipose tissue-derived stem cells (ASCs) by 1.57-fold on an average, compared with untreated cells at 72 h after initial NTAPP exposure. NTAPP-exposed ASCs maintained their stemness, capability to differentiate into adipocytes but did not show cellular senescence...
December 19, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27966721/integrated-discovery-of-foxo1-dna-stabilizers-from-marine-natural-products-to-restore-chemosensitivity-to-anti-egfr-based-therapy-for-metastatic-lung-cancer
#10
Yingjia Sun, Xinghao Ai, Jingwen Hou, Xiangyun Ye, Ruijun Liu, Shengping Shen, Ziming Li, Shun Lu
The transcription factor forkhead box O1 (FOXO1) negatively regulates activated EGFR signaling by turning on the gene expression of tumor suppressor Kruppel-like factor 6. Here, we propose that the chemosensitivity to anti-EGFR-based lung cancer therapy can be restored by stabilization of the FOXO1-DNA complex architecture using small-molecule marine natural medicines. A synthetic protocol that integrates computational ligand-protein-DNA binding analysis and an experimental fluorescence binding assay was applied against a large library of structurally diverse, drug-like marine natural products to discover novel stabilizers of DNA-bound FOXO1 conformation...
December 14, 2016: Molecular BioSystems
https://www.readbyqxmd.com/read/27965873/using-mobile-health-technology-to-improve-behavioral-skill-implementation-through-homework-in-evidence-based-parenting-intervention-for-disruptive-behavior-disorders-in-youth-study-protocol-for-intervention-development-and-evaluation
#11
Anil Chacko, Andrew Isham, Andrew F Cleek, Mary M McKay
BACKGROUND: Disruptive behavior disorders (DBDs) (oppositional defiant disorder (ODD) and conduct disorder (CD)) are prevalent, costly, and oftentimes chronic psychiatric disorders of childhood. Evidence-based interventions that focus on assisting parents to utilize effective skills to modify children's problematic behaviors are first-line interventions for the treatment of DBDs. Although efficacious, the effects of these interventions are often attenuated by poor implementation of the skills learned during treatment by parents, often referred to as between-session homework...
2016: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/27932094/non-heart-beating-donor-kidney-transplantation-survival-is-similar-to-donation-after-brain-death-comparative-study-with-controls-in-a-regional-program
#12
M A Gentil, P Castro de la Nuez, C Gonzalez-Corvillo, M C de Gracia, M Cabello, M A Mazuecos, A Rodriguez-Benot, L Ballesteros, A Osuna, M Alonso
Non-heart-beating donors (NHBD) are an increasing source of organs for kidney transplantation (KT) compared with donation after brain death (DBD), but the results in each regional transplantation program require local analysis. We compared 164 KT from NHBD (83 Maastrich type II A-B [T2] and 81 type III [T3]) with 328 DBD controls. NHBD kidneys were implanted with less cold ischemia, mean time on renal replacement therapy for NHBD recipients before transplantation was less too, and a higher proportion of thymoglobulin was also used...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27932093/midterm-results-of-renal-transplantation-from-controlled-cardiac-death-donors-are-similar-to-those-from-brain-death-donors
#13
O Lafuente, B Sánchez-Sobrino, M Pérez, P López-Sánchez, D Janeiro, E Rubio, A Huerta, M Marques, M R Llópez-Carratala, J J Rubio, J Portolés
BACKGROUND: The systematic use of grafts from controlled donors after cardiac death (cDCD) started in our country in 2012 and expanded with the strategic support of National Transplant Organization. We present our experience in kidney transplantation with organs from cDCD donors with a mean follow-up of 3 years. METHODS: Observational prospective study of all transplants performed in our center in 2012-2013 followed to 2016. The immunosuppression protocols were triple therapy for low-risk recipients from a standard brain death donor (DBD), adding basiliximab or thymoglobulin induction for extended-criteria donor or high-risk recipient, respectively, and thymoglobulin induction plus triple therapy for all cDCD recipients...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27923272/elimination-of-diazinon-insecticide-from-cucumber-surface-by-atmospheric-pressure-air-dielectric-barrier-discharge-plasma
#14
Naghme Dorraki, Vahideh Mahdavi, Hamid Ghomi, Alireza Ghasempour
The food industry is in a constant search for new technologies to improve the commercial sterilization process of agricultural commodities. Plasma treatment may offer a novel and efficient method for pesticide removal from agricultural product surfaces. To study the proposed technique of plasma food treatment, the degradation behavior of diazinon insecticide by air-dielectric barrier discharge (DBD) plasma was investigated. The authors studied the effect of different plasma powers and treatment times on pesticide concentration in liquid form and coated on the surface of cucumbers, where the diazinon residue was analyzed with mass spectroscopy gas chromatography...
December 6, 2016: Biointerphases
https://www.readbyqxmd.com/read/27921202/endogenous-stem-cells-were-recruited-by-defocused-low-energy-shock-wave-in-treating-diabetic-bladder-dysfunction
#15
Yang Jin, Lina Xu, Yong Zhao, Muwen Wang, Xunbo Jin, Haiyang Zhang
Defocused low-energy shock wave (DLSW) has been shown effects on activating mesenchymal stromal cells (MSCs) in vitro. In this study, recruitment of endogenous stem cells was firstly examined as an important pathway during the healing process of diabetic bladder dysfunction (DBD) treated by DLSW in vivo. Neonatal rats received intraperitoneal injection of 5-ethynyl-2-deoxyuridine (EdU) and then DBD rat model was created by injecting streptozotocin. Four weeks later, DLSW treatment was performed. Afterward, their tissues were examined by histology...
December 5, 2016: Stem Cell Reviews
https://www.readbyqxmd.com/read/27918103/identifying-opportunities-to-increase-organ-donation-after-brain-death-an-observational-study-in-sweden-2009-2014
#16
T Nolin, C Mårdh, G Karlström, S M Walther
BACKGROUND: There is a wide gap between the number of organ donors and patients on waiting lists for transplantation. The purpose of this Swedish nationwide study of the critical pathway for organ donation after brain death (DBD) was to identify missed opportunities for organ donation. METHODS: We performed a prospective, observational study of all ICU deaths in Sweden from Jan 1, 2009 to Dec 31, 2014. The protocol structure followed the critical pathway for organ donation, which was developed and tested during 2008...
January 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/27916030/-short-term-outcomes-of-lung-transplant-recipients-using-organs-from-brain-death-donors
#17
W X He, C Jiang, X G Liu, W Huang, C Chen, L Jiang, B Yang, K Wu, Q K Chen, Y Yang, Y M Yu, G N Jiang
Objective: To assess short-term outcomes after lung transplantation with organs procured following brain death. Methods: Between April 2015 and July 2016, all 17 recipients after lung transplantation using organs from brain death donors (DBD) at Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine were enrolled in this study. All patients were male, aging (60±7) years, including 11 chronic obstructive pulmonary disease, 5 idiopathic pulmonary fibrosis, 1 silicosis...
December 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/27900274/stochastic-resonance-whole-body-vibration-increases-perceived-muscle-relaxation-but-not-cardiovascular-activation-a-randomized-controlled-trial
#18
Achim Elfering, Christian Burger, Volker Schade, Lorenz Radlinger
AIM: To investigate the acute effects of stochastic resonance whole body vibration (SR-WBV), including muscle relaxation and cardiovascular activation. METHODS: Sixty-four healthy students participated. The participants were randomly assigned to sham SR-WBV training at a low intensity (1.5 Hz) or a verum SR-WBV training at a higher intensity (5 Hz). Systolic blood pressure (SBP), diastolic blood pressure (DBP), heart rate (HR) and self-reported muscle relaxation were assessed before and immediately after SR-WBV...
November 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/27890717/ecdysone-receptor-ecr-and-ultraspiracle-usp-genes-from-the-cyclopoid-copepod-paracyclopina-nana-identification-and-expression-in-response-to-water-accommodated-fractions-wafs
#19
Jayesh Puthumana, Min-Chul Lee, Jeonghoon Han, Hui-Su Kim, Dae-Sik Hwang, Jae-Seong Lee
Ecdysteroid hormones are pivotal in the development, growth, and molting of arthropods, and the hormone pathway is triggered by binding ecdysteroid to a heterodimer of the two nuclear receptors; ecdysone receptors (EcR) and ultraspiracle (USP). We have characterized EcR and USP genes, and their 5'-untranslated region (5'-UTR) from the copepod Paracyclopina nana, and studied mRNA transcription levels in post-embryonic stages and in response to water accommodated fractions (WAFs) of crude oil. The open reading frames (ORF) of EcR and USP were 1470 and 1287bp that encoded 490 and 429 amino acids with molecular weight of 121...
February 2017: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
https://www.readbyqxmd.com/read/27885385/in-package-inactivation-of-pathogenic-and-spoilage-bacteria-associated-with-poultry-using-dielectric-barrier-discharge-cold-plasma-treatments
#20
Michael J Rothrock, Hong Zhuang, Kurt C Lawrence, Brian C Bowker, Gary R Gamble, Kelli L Hiett
The goal of this study was to test the efficacy of in-package dielectric barrier discharge-cold plasma (DBD-CP) treatment to inactivate poultry-associated spoilage (Pseudomonas fluorescens) and pathogenic (Salmonella enterica Typhimurium, Campylobacter jejuni) bacteria. Liquid cultures of the bacterial isolates were sealed within packages containing ambient air (Trial 1) or modified air (65% O2:30% CO2:5% N2; Trial 2). The packages were subjected to treatment times ranging from 30 to 180 s, and after 24 h incubation at 4 °C, bacterial titers were determined...
February 2017: Current Microbiology
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