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https://www.readbyqxmd.com/read/29052133/ebv-infection-and-glucose-metabolism-in-nasopharyngeal-carcinoma
#1
Jun Zhang, Lin Jia, Chi Man Tsang, Sai Wah Tsao
To establish persistent infection in cells, viruses evolve strategies to alter host cellular pathways to regulate cell proliferation and energy metabolism which support viral infection. Epstein-Barr virus (EBV) undergoes both lytic and latent infection to achieve persistent and lifelong infection in human. EBV readily infects human B cells, driving their transformation to proliferative lymphoblastoid cell lines (LCL), and eventually establishes lifelong latent infection in memory B cells. In contrary, EBV undergoes lytic replication upon infection into normal epithelial cells which is essential for the replication of EBV genome and production of infectious viral particles for transmission through saliva...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29029192/paracoccidioidomycosis-associated-with-a-heterozygous-stat4-mutation-and-impaired-ifn-%C3%AE-immunity
#2
Lena F Schimke, James Hibbard, Ruben Martinez-Barricarte, Taj Ali Khan, Ricardo de Souza Cavalcante, Edgar Borges de Oliveira Junior, Tabata Takahashi França, Asif Iqbal, Guilherme Yamamoto, Christina Arslanian, Claudia Feriotti, Tania Alves da Costa, Jacinta Bustamante, Stéphanie Boisson-Dupuis, Jean-Laurent Casanova, José Alexandre Marzagao Barbuto, Mayana Zatz, Rinaldo Poncio Mendes, Vera Lucia Garcia Calich, Hans D Ochs, Troy R Torgerson, Otávio Cabral-Marques, Antonio Condino-Neto
Background: Mutations in genes affecting interferon (IFN)-γ immunity have contributed to understand the essential role of IFN-γ in the protection against intracellular pathogens. However, inborn errors in STAT4, which controls IL-12 responses, have not yet been reported. Objective: To determine the underlying genetic defect in a family with a history of paracoccidioidomycosis (PCM) disease. Methods: Genetic analysis was performed by whole-exome sequencing and sanger sequencing...
October 5, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29027008/lateral-epicondylitis-associations-of-mr-imaging-and-clinical-assessments-with-treatment-options-in-patients-receiving-conservative-and-arthroscopic-managements
#3
Ji Young Jeon, Min Hee Lee, In-Ho Jeon, Hye Won Chung, Sang Hoon Lee, Myung Jin Shin
OBJECTIVES: We assessed the implications of MR imaging with clinical history in lateral epicondylitis management by evaluating imaging and clinical features in patients with lateral epicondylitis treated conservatively or operatively. METHODS: Sixty patients with lateral epicondylitis treated conservatively (n = 38) or operatively (n = 22) from 2011-2015 were included. MR imaging findings of common extensor tendon (CET), lateral collateral ligament (LCL) complex, muscle oedema, ulnar nerve and elbow joint were reviewed...
October 12, 2017: European Radiology
https://www.readbyqxmd.com/read/29024646/the-epstein-barr-virus-regulome-in-lymphoblastoid-cells
#4
Sizun Jiang, Hufeng Zhou, Jun Liang, Catherine Gerdt, Chong Wang, Liangru Ke, Stefanie C S Schmidt, Yohei Narita, Yijie Ma, Shuangqi Wang, Tyler Colson, Benjamin Gewurz, Guoliang Li, Elliott Kieff, Bo Zhao
Epstein-Barr virus (EBV) transforms B cells to continuously proliferating lymphoblastoid cell lines (LCLs), which represent an experimental model for EBV-associated cancers. EBV nuclear antigens (EBNAs) and LMP1 are EBV transcriptional regulators that are essential for LCL establishment, proliferation, and survival. Starting with the 3D genome organization map of LCL, we constructed a comprehensive EBV regulome encompassing 1,992 viral/cellular genes and enhancers. Approximately 30% of genes essential for LCL growth were linked to EBV enhancers...
October 11, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28977893/combination-of-betulinic-acid-and-chidamide-synergistically-inhibits-epstein-barr-virus-replication-through-over-generation-of-reactive-oxygen-species
#5
Haibing Yu, Hongyu Zhang, Zhigang Chu, Qiongfang Ruan, Xueru Chen, Danli Kong, Xiaodong Huang, Huawen Li, Huanwen Tang, Hongjin Wu, Yifei Wang, Weiguo Xie, Yuanling Ding, Paul Yao
Epstein-Barr virus (EBV) has widely infected more than 90% of human populations. Currently, there is no efficient way to remove the virus because the EBV carriers are usually in a latent stage that allows them to escape the immune system and common antiviral drugs. In the effort to develop an efficient strategy for the removal of the EBV virus, we have shown that betulinic acid (BA) slightly suppresses EBV replication through SOD2 suppression with subsequent reactive oxygen species (ROS) generation and DNA damage in EBV-transformed LCL (lymphoblastoid cell line) cells...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28974451/combining-amino-amide-salts-in-mucoadhesive-films-enhances-needle-free-buccal-anesthesia-in-adults
#6
Renê Oliveira do Couto, Camila Cubayachi, Paulo Linares Calefi, Renata Fonseca Vianna Lopez, Vinícius Pedrazzi, Cristiane Masetto De Gaitani, Osvaldo de Freitas
Needle-phobia is usually a great concern in dentistry, and the replacement of painful injections by patient-friendly needle-free topical formulations would bring several advantages in dental practice worldwide. In this pursuit, the effects of combining prilocaine hydrochloride (PCL) and lidocaine hydrochloride (LCL) in different proportions in mucoadhesive films on their in vitro permeation and retention through porcine esophageal mucosa was studied. Complementarily, the permeation and retention of isolated LCL was investigated...
September 30, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28973664/lrrk2-g2019s-induced-mitochondrial-dna-damage-is-lrrk2-kinase-dependent-and-inhibition-restores-mtdna-integrity-in-parkinson-s-disease
#7
Evan H Howlett, Nicholas Jensen, Frances Belmonte, Faria Zafar, Xiaoping Hu, Jillian Kluss, Birgitt Schüle, Brett A Kaufman, J Timothy Greenamyre, Laurie H Sanders
Mutations in leucine-rich repeat kinase 2 (LRRK2) are associated with increased risk for developing Parkinson's disease (PD). Previously we found that LRRK2 G2019S mutation carriers have increased mitochondrial DNA (mtDNA) damage and after zinc finger nuclease-mediated gene mutation correction, mtDNA damage was no longer detectable. While the mtDNA damage phenotype can be unambiguously attributed to the LRRK2 G2019S mutation, the underlying mechanism(s) is unknown. Here, we examine the role of LRRK2 kinase function in LRRK2 G2019S-mediated mtDNA damage, using both genetic and pharmacological approaches in cultured neurons and PD patient-derived cells...
August 14, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28938191/blood-lead-and-preeclampsia-a-meta-analysis-and-review-of-implications
#8
Arthur E Poropat, Mark A S Laidlaw, Bruce Lanphear, Andrew Ball, Howard W Mielke
BACKGROUND: Multiple cross-sectional studies suggest that there is an association between blood lead and preeclampsia. OBJECTIVES: We performed a systematic review and meta-analysis to summarize information on the association between preeclampsia and lead poisoning. METHODS: Searches of Medline, Web of Science, Scopus, Pubmed, Science Direct and ProQuest (dissertations and theses) identified 2089 reports, 46 of which were downloaded after reviewing the abstracts, and 11 studies were evaluated as meeting the selection criteria...
September 19, 2017: Environmental Research
https://www.readbyqxmd.com/read/28921731/inter-observer-agreement-in-pediatric-cervical-spine-injury-assessment-between-prehospital-and-emergency-department-providers
#9
Lorin R Browne, Hamilton Schwartz, Fahd A Ahmad, Michael Wallendorf, Nathan Kuppermann, E Brooke Lerner, Julie C Leonard
BACKGROUND: Investigators have derived cervical spine injury (CSI) decision support tools from physician observations. There is a need to demonstrate that prehospital emergency medical services (EMS) providers can use these tools to appropriately determine the need for spinal motion restrictions and make field disposition decisions. OBJECTIVE: To determine the inter-observer agreement between EMS and emergency department (ED) providers for CSI risk assessment variables and overall gestalt for CSI in children after blunt trauma...
September 18, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28783582/cytotoxic-effects-of-fritillaria-imperialis-l-extracts-on-human-liver-cancer-cells-breast-cancer-cells-and-fibroblast-like-cells
#10
Ozra Zarei, Mohammad Mehdi Yaghoobi
In this study, we evaluated the cytotoxic effects of Fritillaria imperialis L. aqueous and ethanolic extracts on human liver cancer cells (LCL-PI 11), breast adenocarcinoma cells (MCF-7) and fibroblast-like cells (HSkMC). MTT, BrdU and TUNEL assays were used to detect cytotoxicity, proliferation rate and apoptotic death. Following 48h, the IC50 values for LCL-PI11 and MCF-7 cells were 4.2 and 3.9μg/mL of aqueous extract, and 1.7 and 1.3μg/mL of ethanolic extract, respectively, which was comparable to that of 5-FU...
October 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28782837/in-situ-force-in-the-anterior-cruciate-ligament-the-lateral-collateral-ligament-and-the-anterolateral-capsule-complex-during-a-simulated-pivot-shift-test
#11
Kevin M Bell, Ata A Rahnemai-Azar, Sebastian Irarrazaval, Daniel Guenther, Freddie H Fu, Volker Musahl, Richard E Debski
The role of the anterolateral capsule complex in knee rotatory stability remains controversial. Therefore, the objective of this study was to determine the in-situ forces in the anterior cruciate ligament (ACL), the anterolateral capsule, the lateral collateral ligament (LCL), and the forces transmitted between each region of the anterolateral capsule in response to a simulated pivot shift test. A robotic testing system applied a simulated pivot shift test continuously from full extension to 90(o) of flexion to intact cadaveric knees (n = 7)...
August 7, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28770380/sex-steroids-modulate-morphological-and-functional-features-of-the-bovine-oviduct
#12
Angela Maria Gonella-Diaza, Fernando Silveira Mesquita, Kauê Ribeiro da Silva, Júlio Cesar de Carvalho Balieiro, Nilton Pedro Dos Santos, Guilherme Pugliesi, Ricardo de Francisco Strefezzi, Mario Binelli
In cattle, the oviduct plays a major role in the reproductive process; however, molecular control of oviduct receptivity to the embryo is poorly understood. A model for receptivity based on size of the pre-ovulatory follicle (POF) was used to compare oviductal morphology, cellular proliferation, and candidate transcript abundance. Growth of the POF of Nelore (Bos indicus) cows was manipulated to produce two groups: a large POF-large corpus luteum (CL) group (LF-LCL; greater receptivity) and a small POF-small CL group (SF-SCL)...
November 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28736497/differences-between-the-genomes-of-lymphoblastoid-cell-lines-and-blood-derived-samples
#13
Lena M Joesch-Cohen, Gustavo Glusman
Lymphoblastoid cell lines (LCLs) represent a convenient research tool for expanding the amount of biologic material available from an individual. LCLs are commonly used as reference materials, most notably from the Genome in a Bottle Consortium. However, the question remains how faithfully LCL-derived genome assemblies represent the germline genome of the donor individual as compared to the genome assemblies derived from peripheral blood mononuclear cells. We present an in-depth comparison of a large collection of LCL- and peripheral blood mononuclear cell-derived genomes in terms of distributions of coverage and copy number alterations...
2017: Advances in Genomics and Genetics
https://www.readbyqxmd.com/read/28734719/coronoid-reconstruction-using-osteochondral-grafts-a-biomechanical-study
#14
Enrico Bellato, Youngbok Kim, James S Fitzsimmons, Lawrence J Berglund, Alexander W Hooke, Daniel R Bachman, Shawn W O'Driscoll
HYPOTHESIS: The purposes of this study were to test the hypothesis that coronoid deficiency in the setting of posteromedial rotatory instability (PMRI) must be reconstructed to restore articular contact pressures to normal and to compare 3 different osteochondral grafts for this purpose. METHODS: After creation of a anteromedial fracture, six cadaveric elbows were tested under gravity varus stress using a custom-made machine designed to simulate muscle loads and to passively flex the elbow...
July 19, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28712122/clinical-features-and-treatment-response-of-cutaneous-leishmaniasis-in-north-west-ethiopia
#15
Helina Fikre, Rezika Mohammed, Saba Atinafu, Johan van Griensven, Ermias Diro
OBJECTIVE: Cutaneous leishmaniasis (CL) receives far less attention than visceral leishmaniasis. Nevertheless, CL is predominantly caused by a unique species in Ethiopia (L. aethiopica), which is known to cause severe forms such as diffuse (DCL) and mucocutaneous leishmaniasis (MCL). We report on the number and type of CL cases diagnosed, the clinical features, the treatments and treatment outcomes in North-West Ethiopia. METHODS: This is a retrospective chart record analysis of CL patients treated at the Leishmania Research and Treatment Center (LRTC) of the University of Gondar, Ethiopia...
October 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28707080/reproductive-outcomes-of-anestrous-goats-supplemented-with-spineless-opuntia-megacantha-salm-dyck-protein-enriched-cladodes-and-exposed-to-the-male-effect
#16
Cesar A Meza-Herrera, Omag Cano-Villegas, Arnoldo Flores-Hernandez, Francisco G Veliz-Deras, Guadalupe Calderon-Leyva, Juan M Guillen-Muñoz, Cristina García de la Peña, Cesar A Rosales-Nieto, Ulises Macias-Cruz, Leonel Avendaño-Reyes
The possible influence of the "male effect" upon reproductive outcomes of adult anestrous goats under marginal rangeland conditions and supplemented with protein-enriched Opuntia megacantha Salm-Dyck was evaluated. Reproductive variables included: estrus percentage (EST, %), estrus latency (ESL, hours), ovulation percentage (OP, %), ovulation rate (OR, units), average largest follicle at ovulation (LFO, mm), largest corpus luteum (LCL, mm), embryo number (EBN, units), and embryo implantation percentage (EIP, %)...
July 13, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28698915/surgical-treatment-of-stage-ii-posterior-tibialis-tendon-dysfunction-ten-year-clinical-and-radiographic-results
#17
Alberto Ruffilli, Francesco Traina, Sandro Giannini, Roberto Buda, Fabrizio Perna, Cesare Faldini
INTRODUCTION: Grade II chronic tibialis posterior tendon dysfunction (PTTD) poses a reconstructive challenge to the orthopaedic surgeon. Aim of this retrospective study is to report the clinical and radiographical results of a case series of 63 patients (102 ft) affected by grade II PTTD who underwent tailored surgical treatment at 10-year mean follow-up. MATERIALS AND METHODS: Sixty-three patients (102 ft) were available for clinical and radiological evaluation and were retrospectively reviewed at a mean follow-up of 125...
July 11, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28698614/spatial-patterns-of-wet-season-precipitation-vertical-gradients-on-the-tibetan-plateau-and-the-surroundings
#18
Lan Cuo, Yongxin Zhang
The Tibetan Plateau and the surrounding (TPS) with its vast land mass and high elevation affects regional climate and weather. The TPS is also the headwater of 9 major Asian rivers that provide fresh water for 1.65 billion people and many ecosystems, with wet season (May-September) precipitation being the critical component of the fresh water. Using station observations, ERA-Interim and MERRA2 reanalysis, we find that wet season precipitation displays vertical gradients (i.e., changes with elevation) that vary within the region on the TPS...
July 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28696813/liposomal-prednisolone-phosphate-potentiates-the-antitumor-activity-of-liposomal-5-fluorouracil-in-c26-murine-colon-carcinoma-in-vivo
#19
Laura Patras, Bianca Sylvester, Lavinia Luput, Alina Sesarman, Emilia Licarete, Alina Porfire, Dana Muntean, Denise Minerva Drotar, Alexandra Doina Rusu, Andras-Laszlo Nagy, Cornel Catoi, Ioan Tomuta, Laurian Vlase, Manuela Banciu, Marcela Achim
The antitumor efficacy of 5-fluorouracil (5-FU) in advanced colorectal cancer (CRC) is hindered not only by the low therapeutic index, but also by tumor cell resistance to this cytotoxic drug. Therefore, to enhance the 5-FU antitumor activity, the present research used a novel tumor-targeted therapy based on the co-administration of 5-FU encapsulated in long-circulating liposomes (LCL-5-FU) together with liposomal prednisolone phosphate (LCL-PLP), a formulation with known anti-angiogenic actions on C26 murine colon carcinoma cells...
July 11, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28696495/robotic-arm-assisted-total-knee-arthroplasty-demonstrated-soft-tissue-protection
#20
Anton Khlopas, Morad Chughtai, Emily L Hampp, Laura Y Scholl, Michael Prieto, Ta-Cheng Chang, Abdullah Abbasi, Manoshi Bhowmik-Stoker, Jason Otto, David J Jacofsky, Michael A Mont
INTRODUCTION: While total knee arthroplasty (TKA) procedures have demonstrated clinical success, occasionally intraoperative complications can occur. Collateral or posterior cruciate ligament injury, instability, extensor mechanism disruption, and tibiofemoral or patellofemoral dislocation are among a few of the intraoperatively driven adverse events prevalently ranked by The Knee Society. Robotic-arm assisted TKA (RATKA) provides a surgeon the ability to three-dimensionally plan a TKA and use intraoperative visual, auditory, and tactile feedback to ensure that only the desired bone cuts are made...
July 11, 2017: Surgical Technology International
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