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https://www.readbyqxmd.com/read/28325620/hpv-16-variants-impact-on-uterine-cervical-cancer-response-to-radiotherapy-a-descriptive-pilot-study
#1
P Moreno-Acosta, A Vallard, M Molano, A Huertas, Ó Gamboa, M Cotes, A Romero-Rojas, C Rancoule, N Magné
PURPOSE: Although the large impact of Human papilloma virus (HPV) in cervical cancer is established, its place as a therapeutic target is new and according to the growing literature, could be promising. In the present study, radiosensitivity's difference based on HPV-16 variants is assessed. PATIENTS AND METHODS: Variants of Human papilloma virus were identified before the exclusive radiotherapy in patients with cervical cancer. Data were prospectively collected...
March 18, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28300077/translational-reprogramming-in-tumour-cells-can-generate-oncoselectivity-in-viral-therapies
#2
Eneko Villanueva, Pilar Navarro, Maria Rovira-Rigau, Annarita Sibilio, Raúl Méndez, Cristina Fillat
Systemic treatment of cancer requires tumour-selective therapies that eliminate cancer cells yet preserve healthy tissues from undesired damage. Tumoral transformation is associated with profound effects in translational reprogramming of gene expression, such that tumour-specific translational regulation presents an attractive possibility for generating oncoselective therapies. We recently discovered that mRNA translational control by cytoplasmic polyadenylation element-binding proteins (CPEBs) is reactivated in cancer...
March 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28299664/roles-of-runx-in-b-cell-immortalisation
#3
Michelle J West, Paul J Farrell
RUNX1 and RUNX3 are the main RUNX genes expressed in B lymphocytes. Both are expressed throughout B-cell development and play key roles at certain key developmental transitions. The tumour-associated Epstein-Barr virus (EBV) has potent B-cell transforming ability and manipulates RUNX3 and RUNX1 transcription through novel mechanisms to control B cell growth. In contrast to resting mature B cells where RUNX1 expression is high, in EBV-infected cells RUNX1 levels are low and RUNX3 levels are high. Downregulation of RUNX1 in these cells results from cross-regulation by RUNX3 and serves to relieve RUNX1-mediated growth repression...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28284277/potential-of-a-bpv1-l1-vlp-vaccine-to-prevent-bpv1-or-bpv2-induced-pseudo-sarcoid-formation-and-safety-and-immunogenicity-of-ecpv2-l1-vlps-in-horse
#4
Edmund K Hainisch, Hans Abel-Reichwald, Saeed Shafti-Keramat, Barbara Pratscher, Annunziata Corteggio, Giuseppe Borzacchiello, Maria Wetzig, Christoph Jindra, Alexander Tichy, Reinhard Kirnbauer, Sabine Brandt
We have previously shown that immunization of horses with bovine papillomavirus type 1 (BPV1) L1 virus-like particles (VLPs) is safe and highly immunogenic and that BPV1 and bovine papillomavirus type 2 (BPV2) are closely related serotypes. Here we evaluated the protective potential of a BPV1 L1 VLP vaccine against experimental BPV1 and BPV2 challenge and studied the safety and immunogenicity of a bivalent equine papillomavirus type 2 (EcPV2)/BPV1 L1 VLP vaccine. Fourteen healthy horses were immunized with BPV1 L1 VLPs (100 µg per injection) plus adjuvant on days 0 and 28, while seven remained unvaccinated...
February 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28282583/control-of-immune-escaped-human-papilloma-virus-is-regained-after-therapeutic-vaccination
#5
REVIEW
Wenbo Ma, Cornelis Jm Melief, Sjoerd H van der Burg
High-risk human papillomaviruses infect the basal cells of human epithelia. There it deploys several mechanisms to suppress pathogen receptor recognition signalling, impeding the immune system to control viral infection. Furthermore, infected cells become more resistant to type I and II interferon, tumour necrosis factor-α and CD40 activation, via interference with downstream programs halting viral replication or regulating the proliferation and cell death. Consequently, some infected individuals fail to raise early protein-specific T-cell responses that are strong enough to protect against virus-induced premalignant disease and ultimately cancer...
March 7, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28274028/ano-genital-warts-and-hiv-status-a-clinical-study
#6
Shashikant Balakrishana Dhumale, Shimpa Sharma, Arvind Gulbake
INTRODUCTION: Ano-Genital Warts (AGW) like other Sexually Transmitted Diseases (STD) is associated with Human Immunodeficiency Virus (HIV) infection. This study of AGW was done in HIV positive and HIV negative patients. AIM: To study the risk factors and clinical presentations of ano-genital warts in HIV positive and negative patients. MATERIALS AND METHODS: A comparative, cross-sectional, descriptive study of 25 HIV positive and 25 HIV negative (n=50) AGW patients between 15-60 years of both sex was conducted in Dr...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28272019/geniposide-demonstrates-anti-inflammatory-and-antiviral-activity-against-pandemic-a-jiangsu-1-2009-h1n1-influenza-virus-infection-in-vitro-and-in-vivo
#7
Zhang Yunshi, Yao Jing, Qi Xian, Liu Xing, Lu Xieqin, Feng Ganzhu
BACKGROUND: Influenza A viruses (IAVs) remains to be a great threat to human health for centuries, without effective control. Geniposide, a main iridoid glycoside compound extracted from Gardenia jasminoides Ellis (GJ) fruit, possesses various biologic activities including anti-inflammation and anti-virus. METHODS: Madin-Darby Canine Kidney (MDCK) cells were infected with pandemic A/Jiangsu/1/2009 (H1N1) influenza virus in vitro. Cytotoxicity and antiviral activity of geniposide were estimated by MTT assay...
March 8, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28270262/lantibiotics-produced-by-actinobacteria-and-their-potential-applications-a-review
#8
Karen Machado Gomes, Rafael Silva Duarte, Maria do Carmo de Freire Bastos
The phylum Actinobacteria, which comprises a great variety of Gram-positive bacteria with a high G+C content in their genomes, is known for its large production of bioactive compounds, including those with antimicrobial activity. Among the antimicrobials, bacteriocins, ribosomally synthesized peptides, represent an important arsenal of potential new drugs to face the increasing prevalence of resistance to antibiotics among microbial pathogens. The actinobacterial bacteriocins form a heterogeneous group of substances that is difficult to adapt to most proposed classification schemes...
February 2017: Microbiology
https://www.readbyqxmd.com/read/28260622/group-b-adenovirus-enadenotucirev-infects-polarised-colorectal-cancer-cells-efficiently-from-the-basolateral-surface-expected-to-be-encountered-during-intravenous-delivery-to-treat-disseminated-cancer
#9
Suet-Lin Chia, Janet Lei, David J P Ferguson, Arthur Dyer, Kerry D Fisher, Leonard W Seymour
Enadenotucirev (EnAd) is a group B oncolytic adenovirus developed for systemic delivery and currently undergoing clinical evaluation for advanced cancer therapy. For differentiated carcinomas, systemic delivery would likely expose virus particles to the basolateral surface of cancer cells rather than the apical surface encountered during natural infection. Here, we compare the ability of EnAd and adenovirus type-5 (Ad5) to infect polarised colorectal carcinoma cells from the apical or basolateral surfaces. Whereas Ad5 infection was more efficient via the apical than basolateral surface, EnAd readily infected cells from either surface...
March 2, 2017: Virology
https://www.readbyqxmd.com/read/28258743/loco-regional-treatment-of-hcc-current-status
#10
REVIEW
L Crocetti, I Bargellini, R Cioni
Hepatocellular carcinoma (HCC) represents one of the few cancers for which locoregional treatments are recognised as being able to cure and/or prolong survival and are included in international guidelines. This is due to the unique nature of HCC, in most cases occurring in patients with underlying virus- or alcohol-related cirrhosis. The treatment choice in patients with HCC is therefore driven not only by tumour staging, as in the great majority of cancers, but also by careful evaluation of liver function and physical status...
February 28, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28258411/ctrp3-attenuates-cardiac-dysfunction-inflammation-oxidative-stress-and-cell-death-in-diabetic-cardiomyopathy-in-rats
#11
Zhen-Guo Ma, Yu-Pei Yuan, Si-Chi Xu, Wen-Ying Wei, Chun-Ru Xu, Xin Zhang, Qing-Qing Wu, Hai-Han Liao, Jian Ni, Qi-Zhu Tang
AIMS/HYPOTHESIS: Oxidative stress, inflammation and cell death are closely involved in the development of diabetic cardiomyopathy (DCM). C1q/tumour necrosis factor-related protein-3 (CTRP3) has anti-inflammatory properties but its role in DCM remains largely unknown. The aims of this study were to determine whether CTRP3 could attenuate DCM and to clarify the underlying mechanisms. METHODS: Streptozotocin (STZ) was injected intraperitoneally to induce diabetes in Sprague-Dawley rats...
March 3, 2017: Diabetologia
https://www.readbyqxmd.com/read/28250896/endoscopy-guided-ablation-of-pancreatic-lesions-technical-possibilities-and-clinical-outlook
#12
REVIEW
Marianna Signoretti, Roberto Valente, Alessandro Repici, Gianfranco Delle Fave, Gabriele Capurso, Silvia Carrara
Endoscopic ultrasound (EUS) and endoscopic retrograde cholangiopancreatography (ERCP)-guided ablation procedures are emerging as a minimally invasive therapeutic alternative to radiological and surgical treatments for locally advanced pancreatic cancer (LAPC), pancreatic neuroendocrine tumours (PNETs), and pancreatic cystic lesions (PCLs). The advantages of treatment under endoscopic control are the real-time imaging guidance and the possibility to reach a deep target like the pancreas. Currently, radiofrequency probes specifically designed for ERCP or EUS ablation are available as well as hybrid cryotherm probe combining radiofrequency with cryotechnology...
February 16, 2017: World Journal of Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28248314/spatiotemporally-restricted-arenavirus-replication-induces-immune-surveillance-and-type-i-interferon-dependent-tumour-regression
#13
Halime Kalkavan, Piyush Sharma, Stefan Kasper, Iris Helfrich, Aleksandra A Pandyra, Asmae Gassa, Isabel Virchow, Lukas Flatz, Tim Brandenburg, Sukumar Namineni, Mathias Heikenwalder, Bastian Höchst, Percy A Knolle, Guido Wollmann, Dorothee von Laer, Ingo Drexler, Jessica Rathbun, Paula M Cannon, Stefanie Scheu, Jens Bauer, Jagat Chauhan, Dieter Häussinger, Gerald Willimsky, Max Löhning, Dirk Schadendorf, Sven Brandau, Martin Schuler, Philipp A Lang, Karl S Lang
Immune-mediated effector molecules can limit cancer growth, but lack of sustained immune activation in the tumour microenvironment restricts antitumour immunity. New therapeutic approaches that induce a strong and prolonged immune activation would represent a major immunotherapeutic advance. Here we show that the arenaviruses lymphocytic choriomeningitis virus (LCMV) and the clinically used Junin virus vaccine (Candid#1) preferentially replicate in tumour cells in a variety of murine and human cancer models...
March 1, 2017: Nature Communications
https://www.readbyqxmd.com/read/28247228/update-from-the-4th-edition-of-the-world-health-organization-classification-of-head-and-neck-tumours-what-is-new-in-the-2017-who-blue-book-for-tumors-and-tumor-like-lesions-of-the-neck-and-lymph-nodes
#14
Nora Katabi, James S Lewis
The World Health Organization (WHO) 2017 Classification of Head and Neck Tumors ("Blue Book") will now include a new chapter on tumors and tumor-like lesions of the neck and lymph nodes, which was not included in the previous edition. Tumors and tumor-like lesions, including a variety of cysts and metastases, can arise in any component in the neck, including soft tissue, lymph nodes, and developmental remnants. The pathology and clinical features of metastatic carcinoma of unknown primary in the head and neck has changed dramatically in the last several years...
March 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28239901/molecular-prevalence-of-merkel-cell-polyomavirus-in-nonmelanoma-skin-cancer-in-a-brazilian-population
#15
T R Bellott, C F Baez, S G Almeida, M T Venceslau, M G Zalis, M A Guimarães, M C Rochael, F B Luz, R B Varella, J R Almeida
BACKGROUND: Merkel cell polyomavirus (MCPyV), a newly described oncogenic virus, has been found in association with tumours other than Merkel cell carcinoma (MCC). As yet, little is known about the involvement or influence of MCPyV on the development of these tumours and its prevalence in various populations. AIM: To assess the prevalence of MCPyV DNA in cases of nonmelanoma skin cancer (NMSC). METHODS: The prevalence of MCPyV DNA was assessed in 96 cases of NMSC in a Brazilian population comprising 76 subjects, and these results were correlated with epidemiological and demographical data...
February 27, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28228322/anti-tumour-research-of-recombinant-bcg-using-bzlf1-and-hgm-csf-fusion-genes
#16
Qing-Jie Xue, Yun-Qing Li, Chun-Qing Yang, Ting Chen, Xiu-Zhen Li, Baohua Cheng, Chun-Mei Wang
The random primer Oligo(dT)15 was used in RT-PCR to obtain cDNA from the human granulocyte macrophage colony stimulating factor (hGM-CSF) gene and the Epstein-Barr virus (EBV) gene BZLF1. Then, the sequence splicing overlap extension method was used to obtain a GCBF fusion gene containing a linker sequence that encoded the polypeptide (Gly4Ser)3. The GCBF fusion gene was inserted into pMV261, which was then transformed into competent E. coli DH5 alpha cells, and positive cells were selected based on kanamycin resistance on LB plates...
March 14, 2017: Vaccine
https://www.readbyqxmd.com/read/28222623/interferon-%C3%AE-induced-cd100-on-na%C3%A3-ve-cd8-t-cells-enhances-antiviral-responses-to-hepatitis-c-infection-through-cd72-signal-transduction
#17
Bing Jie Li, Yu He, Ying Zhang, Yong Hong Guo, Yun Zhou, Pei Xin Zhang, Wei Wang, Jie Ru Zhao, Jin Ge Li, Wei Ze Zuo, Chao Fan, Zhan Sheng Jia
Objectives We investigated the effects of CD100 on naïve CD8(+) T cells during hepatitis C virus (HCV) infection after interferon-α (IFN-α) therapy to clarify the mechanism underlying the effect of IFN-α in enhancing the antiviral response. Methods The CD100 molecules on subsets of CD8(+) T cells were analysed with flow cytometry. The effects of CD100-overexpressing naïve CD8(+) T cells were determined with ELISAs and an MTT cytotoxicity assay. The role of CD100-CD72 signal transduction was analysed with a neutralization and transwell assays...
February 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28202331/genetics-of-gynaecological-cancers
#18
REVIEW
Panayiotis Constantinou, Marc Tischkowitz
Gynaecological cancers accounted for 16.3% of all cancers and 13.9% of all cancer deaths in women globally in 2012. Cancer of the cervix is the most common gynaecological cancer, followed by cancers of the uterus and the ovary. Although cervical cancer is almost exclusively triggered by human papilloma virus infection, approximately 5% of all uterine cancers and 20% of all ovarian cancers are caused by germline mutations in cancer predisposition genes. A number of genetic syndromes are associated with rarer gynaecological tumours...
January 24, 2017: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/28194059/nk-t-cell-lymphoma-a-tertiary-centre-experience
#19
Neeraj Arora, Arpan Mehta, Sriram Ravichandran, Indu Arun, Rimpa Basu Achari, Anupam Chakrapani, Saurabh Jayant Bhave, Mammen Chandy, Reena Nair
Extranodal NK/T-cell lymphoma (ENKTL), nasal type, is a rare type of non-Hodgkin lymphoma that is commonly seen in East Asian countries and is associated with Epstein-Barr virus infection. This is a retrospective study where we describe nine cases of ENKTL; nasal type diagnosed and treated at our center over a period of 2 years. These cases were analyzed retrospectively for clinical presentation (age, sex, site of involvement), immunophenotype, treatment, response and toxicity profile. Sino-nasal symptoms (blocked nose, headache, epistaxis, regurgitation) were the most common presenting complaints (n = 8)...
March 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28194010/intratumoral-modulation-of-the-inducible-co-stimulator-icos-by-recombinant-oncolytic-virus-promotes-systemic-anti-tumour-immunity
#20
Dmitriy Zamarin, Rikke B Holmgaard, Jacob Ricca, Tamar Plitt, Peter Palese, Padmanee Sharma, Taha Merghoub, Jedd D Wolchok, James P Allison
Emerging data suggest that locoregional cancer therapeutic approaches with oncolytic viruses can lead to systemic anti-tumour immunity, although the appropriate targets for intratumoral immunomodulation using this strategy are not known. Here we find that intratumoral therapy with Newcastle disease virus (NDV), in addition to the activation of innate immunity, upregulates the expression of T-cell co-stimulatory receptors, with the inducible co-stimulator (ICOS) being most notable. To explore ICOS as a direct target in the tumour, we engineered a recombinant NDV-expressing ICOS ligand (NDV-ICOSL)...
February 13, 2017: Nature Communications
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