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https://www.readbyqxmd.com/read/29151123/a-coxsackievirus-b-vaccine-protects-against-virus-induced-diabetes-in-an-experimental-mouse-model-of-type-1-diabetes
#1
Virginia M Stone, Minna M Hankaniemi, Emma Svedin, Amirbabak Sioofy-Khojine, Sami Oikarinen, Heikki Hyöty, Olli H Laitinen, Vesa P Hytönen, Malin Flodström-Tullberg
AIMS/HYPOTHESIS: Epidemiological studies suggest a role for Coxsackievirus B (CVB) serotypes in the pathogenesis of type 1 diabetes, but their actual contribution remains elusive. In the present study, we have produced a CVB1 vaccine to test whether vaccination against CVBs can prevent virus-induced diabetes in an experimental model. METHODS: NOD and SOCS1-tg mice were vaccinated three times with either a formalin-fixed non-adjuvanted CVB1 vaccine or a buffer control...
November 18, 2017: Diabetologia
https://www.readbyqxmd.com/read/29150702/high-pdl1-mrna-expression-predicts-better-survival-of-stage-pt1-non-muscle-invasive-bladder-cancer-nmibc-patients
#2
Johannes Breyer, Ralph M Wirtz, Wolfgang Otto, Philipp Erben, Thomas S Worst, Robert Stoehr, Markus Eckstein, Stefan Denzinger, Maximilian Burger, Arndt Hartmann
INTRODUCTION AND OBJECTIVES: Checkpoint inhibition has emerged as new therapeutic option in muscle-invasive bladder cancer. The objective of the present study was to evaluate the prognostic role of PD1 and PDL1 expression in non-muscle-invasive bladder cancer (NMIBC) and establish an objective measuring method using RNA quantification. MATERIALS AND METHODS: We retrospectively analyzed clinical data and formalin-fixed paraffin-embedded tissues (FFPE) of patients with stage pT1 NMIBC who underwent transurethral resection of the bladder...
November 17, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/29150249/accuracy-of-the-cobas-egfr-mutation-assay-in-non-small-cell-lung-cancer-compared-with-three-laboratory-developed-tests
#3
Haruhiko Nakamura, Hirotaka Koizumi, Hiroki Sakai, Hiroyuki Kimura, Tomoyuki Miyazawa, Hideki Marushima, Hisashi Saji, Masayuki Takagi
BACKGROUND: The reliability of the cobas EGFR assay to detect epidermal growth factor receptor (EGFR) mutations in non-small-cell lung cancer (NSCLC) as an in vitro diagnostic test was compared with 3 laboratory-developed tests (LDTs). MATERIALS AND METHODS: After screening for EGFR mutations using formalin-fixed-paraffin-embedded NSCLC tissue sections using the cobas EGFR assay, 151 samples were further tested with 3 LDTs; the peptide nucleic acid-locked nucleic acid polymerase chain reaction (PCR) clamp, PCR invader, and Cycleave assays...
October 28, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/29150135/effect-of-different-resin-luting-cements-on-the-marginal-fit-of-lithium-disilicate-pressed-crowns
#4
Radek Mounajjed, Thomas J Salinas, Tomas Ingr, Basel Azar
STATEMENT OF PROBLEM: The vertical marginal discrepancy of restorations can increase upon cementation, and poor marginal fit can lead to cement dissolution, marginal discoloration, microleakage, and secondary caries. The amount of increase is related to the type of luting cement used, but how lithium disilicate pressed crowns are affected by different resin cements is unclear. PURPOSE: The purpose of this in vitro study was to compare the effect of using different resin luting cements on the vertical marginal discrepancy of lithium disilicate pressed crowns...
November 15, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29148178/training-in-molecular-cytopathology-testing
#5
REVIEW
P Maxwell, M Salto-Tellez
Training in molecular cytopathology testing is essential in developing and maintaining skills in modern molecular technologies as they are introduced to a universal health care system such as extant in the UK and elsewhere. We review the system in place in Northern Ireland (NI) for molecular testing of solid tumours, as an example to train staff of all grades, including pathologists, clinical scientists, biomedical scientists and equivalent technical grades. We describe training of pathologists as part of the NI Deanery medical curriculum, the NI training programme for scientists and laboratory rotation for Biomedical Scientists...
November 17, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/29147610/host-immune-response-index-in-gastric-cancer-identified-by-comprehensive-analyses-of-tumor-immunity
#6
Charny Park, Junhun Cho, Jeeyun Lee, So Young Kang, Ji Yeong An, Min Gew Choi, Jun Ho Lee, Tae Sung Sohn, Jae Moon Bae, Sung Kim, Seung Tae Kim, Se Hoon Park, Joon Oh Park, Won Ki Kang, Insuk Sohn, Sin Ho Jung, Myung-Soo Kang, Kyoung-Mee Kim
Tumor infiltrating lymphocytes (TIL) in Epstein-Barr virus (EBV)-associated/microsatellite-unstable (MSI) gastric carcinomas (GC) constitute immune-active principal cellular components of tumor microenvironment and contribute to better prognosis. With the remarkable success of cancer immunotherapies, there is an urgent need for a comprehensive understanding of tumor-immune interactions in patients with GC in the context of host immune response. To identify GC subtype-specific immune response gene set, we tested differentially expressed genes for MSI and EBV+ GC subtypes in randomly selected test set (n = 278) in merged ACRG-SMC microarray and TCGA RNA sequencing data set...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29145823/dbmdega-a-database-for-meta-analysis-of-differentially-expressed-genes-in-autism-spectrum-disorder
#7
Shuyun Zhang, Libin Deng, Qiyue Jia, Shaoting Huang, Junwang Gu, Fankun Zhou, Meng Gao, Xinyi Sun, Chang Feng, Guangqin Fan
BACKGROUND: Autism spectrum disorders (ASD) are hereditary, heterogeneous and biologically complex neurodevelopmental disorders. Individual studies on gene expression in ASD cannot provide clear consensus conclusions. Therefore, a systematic review to synthesize the current findings from brain tissues and a search tool to share the meta-analysis results are urgently needed. METHODS: Here, we conducted a meta-analysis of brain gene expression profiles in the current reported human ASD expression datasets (with 84 frozen male cortex samples, 17 female cortex samples, 32 cerebellum samples and 4 formalin fixed samples) and knock-out mouse ASD model expression datasets (with 80 collective brain samples)...
November 16, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/29145818/risk-factors-associated-with-the-progression-and-metastases-of-hindgut-neuroendocrine-tumors-a-retrospective-study
#8
Yoichiro Okubo, Rika Kasajima, Masaki Suzuki, Yohei Miyagi, Osamu Motohashi, Manabu Shiozawa, Emi Yoshioka, Kota Washimi, Kae Kawachi, Yoichi Kameda, Tomoyuki Yokose
BACKGROUND: The worldwide incidence of neuroendocrine tumors (NETs) has increased remarkably, with the hindgut being the second most common site for such tumors. However, the mechanisms underlying progression and metastasis of hindgut NETs are unclear. A retrospective study was conducted to elucidate these mechanisms. METHODS: Clinicopathological data of cases of hindgut NET between April 1996 and September 2015 were analyzed, retrospectively. Patients with neuroendocrine carcinoma were excluded...
November 16, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29145794/analysis-of-bacterial-and-fungal-nucleic-acid-in-canine-sterile-granulomatous-and-pyogranulomatous-dermatitis-and-panniculitis
#9
Fabio B Rosa, Caitlin E Older, Courtney Meason-Smith, Jan S Suchodolski, Sonia Lingsweiler, Joanne E Mansell, Aline Rodrigues Hoffmann
Next generation sequencing (NGS) studies are revealing a diverse microbiota on the skin of dogs. The skin microbiota of canine sterile granulomatous and pyogranulomatous dermatitis (SGPD) has yet to be investigated using NGS techniques. NGS targeting the 16S rRNA and ITS-1 region of bacterial and fungal DNA, respectively, were used to investigate if bacterial and fungal DNA were associated with skin lesions in cases of canine SGPD. The study included 20 formalin-fixed paraffin-embedded (FFPE) skin samples and 12 fresh samples from SGPD-affected dogs, and 10 FFPE and 10 fresh samples from healthy dogs...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/29145573/human-papillomavirus-hpv-and-somatic-egfr-mutations-are-essential-mutually-exclusive-oncogenic-mechanisms-for-inverted-sinonasal-papillomas-and-associated-sinonasal-squamous-cell-carcinomas
#10
A M Udager, J B McHugh, C M Goudsmit, H C Weigelin, M S Lim, K S J Elenitoba-Johnson, B L Betz, T E Carey, N A Brown
Background: Inverted sinonasal papilloma (ISP) is a locally aggressive neoplasm often associated with sinonasal squamous cell carcinoma (SNSCC). While the etiology of ISP is not well understood, human papillomavirus (HPV) has been detected in a subset of cases. Our group recently identified activating somatic EGFR mutations in the majority of ISP and ISP-associated SNSCC. However, the relationship between EGFR mutations and HPV infection has not been explored. Patients and Methods: We evaluated 58 ISP and 22 ISP-associated SNSCC (including 13 patients with matched ISP/SNSCC samples), as well as 14 SNSCC without clinical or pathologic evidence of an associated ISP...
November 14, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29145561/clinical-significance-of-cd73-in-triple-negative-breast-cancer-multiplex-analysis-of-a-phase-iii-clinical-trial
#11
L Buisseret, S Pommey, B Allard, S Garaud, M Bergeron, I Cousineau, L Ameye, Y Bareche, M Paesmans, J P A Crown, A Di Leo, S Loi, M Piccart-Gebhart, K Willard-Gallo, C Sotiriou, J Stagg
Background: CD73 is an ecto-enzyme that promotes tumor immune escape through the production of immunosuppressive extracellular adenosine in the tumor microenvironment. Several CD73 inhibitors and adenosine receptor antagonists are being evaluated in phase I clinical trials. Patients and methods: Full-face sections from formalin-fixed paraffin-embedded primary breast tumors from 122 samples of triple-negative breast cancer from the BIG 02-98 adjuvant phase III clinical trial were included in our analysis...
November 14, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29145067/role-of-thalamic-ventral-posterolateral-nucleus-histamine-h2-and-opiate-receptors-in-modulation-of-formalin-induced-muscle-pain-in-rats
#12
Hamid Ghasemi, Esmaeal Tamaddonfard, Farhad Soltanalinejad
BACKGROUND: Histamine and opiate systems contribute to supraspinal processing of pain. In the present study, we investigated the effects of microinjection of histamine and agonists and antagonists of histamine H2 and opiate receptors into the thalamic ventral posterolateral nucleus on muscle pain in rats. METHODS: The thalamic ventral posterolateral nuclei were bilaterally implanted with two guide cannulas. Muscle pain was induced by intramuscular injection of a diluted formalin solution (2...
May 8, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29144297/effect-of-reagents-used-during-detection-and-quantification-of-ascaris-suum-in-environmental-samples-on-egg-viability
#13
Isaac Dennis Amoah, Poovendhree Reddy, Thor Axel Stenström
Soil-transmitted helminths (STHs) are a major health concern globally. Infection is mostly through contact with contaminated water, food or soil. Therefore to break the cycle of viable transmission STH eggs must be quantitatively detected in the environment. The effect of different reagents on the viability of Ascaris suum eggs during laboratory detection and quantification was assessed and different incubation solutions compared. Sulphuric acid gave a slightly higher recovery percentage of viable eggs (91...
November 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/29143863/morphometric-properties-of-the-latissimus-dorsi-muscle-in-human-fetuses-for-flap-surgery
#14
Orhan Beger, Burhan Beger, Deniz Uzmansel, Semra Erdoğan, Zeliha Kurtoğlu
PURPOSE: Although latissimus dorsi (LD) flaps are extensively used in a wide range of interventions, fetus studies on this subject are quite limited. This study aims to obtain detailed information about the morphometric features of LD, thoracodorsal artery (TDA) and nerve (TDN). METHODS: The study was carried out on both sides of 50 formalin-fixed human fetuses (22 male/28 female) with a mean gestational age of 24.5 ± 4.7 (range 18-36) weeks, which were in the inventory of Anatomy Department of Mersin University Faculty of Medicine...
November 16, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29141863/eight-color-multiplex-immunohistochemistry-for-simultaneous-detection-of-multiple-immune-checkpoint-molecules-within-the-tumor-microenvironment
#15
Mark A J Gorris, Altuna Halilovic, Katrin Rabold, Anne van Duffelen, Iresha N Wickramasinghe, Dagmar Verweij, Inge M N Wortel, Johannes C Textor, I Jolanda M de Vries, Carl G Figdor
Therapies targeting immune checkpoint molecules CTLA-4 and PD-1/PD-L1 have advanced the field of cancer immunotherapy. New mAbs targeting different immune checkpoint molecules, such as TIM3, CD27, and OX40, are being developed and tested in clinical trials. To make educated decisions and design new combination treatment strategies, it is vital to learn more about coexpression of both inhibitory and stimulatory immune checkpoints on individual cells within the tumor microenvironment. Recent advances in multiple immunolabeling and multispectral imaging have enabled simultaneous analysis of more than three markers within a single formalin-fixed paraffin-embedded tissue section, with accurate cell discrimination and spatial information...
November 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29141184/unrecognized-venous-injuries-after-cardiac-implantable-electronic-device-transvenous-lead-extraction
#16
Khaldoun G Tarakji, Walid Saliba, Danny Markabawi, E Rene Rodriguez, Yoaav Krauthammer, Michael P Brunner, Ayman A Hussein, Bryan Baranowski, Daniel J Cantillon, Mohamed Kanj, Mark Niebauer, Jack Rickard, Thomas Callahan, Mingyuan Shao, David O Martin, Oussama M Wazni, Bruce L Wilkoff, Carmela D Tan
BACKGROUND: Major complication rate of transvenous lead extraction (TLE) is estimated around 1-2.0%. Laceration of the central veins can be fatal. OBJECTIVES: to define the incidence and extent of venous injuries on a microscopic level after TLE and compare it with the incidence of clinically documented events of venous laceration. METHODS: We studied all patients who underwent TLE at our tertiary center within 30 months via a variety of techniques...
November 7, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29141042/a-tissue-microrna-signature-that-predicts-the-prognosis-of-breast-cancer-in-young-women
#17
Ai Hironaka-Mitsuhashi, Juntaro Matsuzaki, Ryou-U Takahashi, Masayuki Yoshida, Yutaka Nezu, Yusuke Yamamoto, Sho Shiino, Takayuki Kinoshita, Toshikazu Ushijima, Nobuyoshi Hiraoka, Chikako Shimizu, Kenji Tamura, Takahiro Ochiya
Since breast cancers in young women are generally aggressive, young patients tend to be intensively treated with anti-cancer drugs. To optimize the strategy for treatment, particularly in young women, prognostic biomarkers are urgently required. The objective of this study was to identify a tissue microRNA (miRNA) signature that predicts prognosis in young breast cancer patients. Total RNA from 45 breast cancer patients aged <35 years was extracted from formalin-fixed paraffin-embedded (FFPE) tissues and analyzed using miRNA microarrays...
2017: PloS One
https://www.readbyqxmd.com/read/29140880/high-risk-human-papillomavirus-determination-in-formalin-fixed-paraffin-embedded-cervical-tissue-using-the-roche-cobas-4800-system-a-comparative-study-with-liquid-based-cytology
#18
Juan C Tardío, Olivia Cambero, Carolina Sánchez-Estévez, Ana B Sánchez-García, Fernando Angulo, Amalia Moreno
Roche cobas 4800 human papillomavirus (HPV) test is an automated real-time polymerase chain reaction-based system that allows the simultaneous detection of 14 human papillomavirus high-risk (HR-HPV) genotypes. This test is Food and Drug Administration approved since 2011 for HPV determination in liquid-based cytologic samples, but a clinically validated technique for formalin-fixed, paraffin-embedded (FFPE) tissue specimens is presently not commercially available. In our laboratory, we have developed an HPV detection procedure in FFPE tissue by cobas 4800 HPV test...
November 14, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29138507/systems-pathology-by-multiplexed-immunohistochemistry-and-whole-slide-digital-image-analysis
#19
Sami Blom, Lassi Paavolainen, Dmitrii Bychkov, Riku Turkki, Petra Mäki-Teeri, Annabrita Hemmes, Katja Välimäki, Johan Lundin, Olli Kallioniemi, Teijo Pellinen
The paradigm of molecular histopathology is shifting from a single-marker immunohistochemistry towards multiplexed detection of markers to better understand the complex pathological processes. However, there are no systems allowing multiplexed IHC (mIHC) with high-resolution whole-slide tissue imaging and analysis, yet providing feasible throughput for routine use. We present an mIHC platform combining fluorescent and chromogenic staining with automated whole-slide imaging and integrated whole-slide image analysis, enabling simultaneous detection of six protein markers and nuclei, and automatic quantification and classification of hundreds of thousands of cells in situ in formalin-fixed paraffin-embedded tissues...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29138235/brip1-overexpression-is-correlated-with-clinical-features-and-survival-outcome-of-luminal-breast-cancer-subtypes
#20
Ishita Gupta, Allal Ouhtit, Adil Al-Ajmi, Syed Gauhar A Rizvi, Hamad Al-Riyami, Marwa Al-Riyami, Yahya Tamimi
In Oman, breast cancer is most common, representing approximately more than 25% of all cancers in women. Relatively younger populations of patients (25 to 40 years) present surprisingly with an aggressive phenotype and advanced tumor stages. In this study, we investigated differential gene expressions in Luminal-A, Luminal-B, Triple negative and Her2+ breast cancer subtypes and compared data to benign tumor samples. We identified a potential candidate gene BRIP1, showing differential expression in the four breast cancer subtypes examined, suggesting that BRIP1 has the profile of a useful diagnostic marker, suitable for targeted therapeutic intervention...
November 14, 2017: Endocrine Connections
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