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https://www.readbyqxmd.com/read/28350964/promoting-vaginal-distribution-of-e7-and-mcl-1-sirna-silencing-nanoparticles-for-cervical-cancer-treatment
#1
Anna Lechanteur, Tania Furst, Brigitte Evrard, Philippe Delvenne, Geraldine Piel, Pascale Hubert
There is an urgent need to develop a less aggressive and more effective treatment against cervical lesions induced by different high-risk human papillomavirus (HR-HPV). We investigated the potential of a cocktail of small interfering RNA (siRNA) directed against the oncoprotein E6 (E6), the oncoprotein E7 (E7) and/or the anti-apoptotic protein MCL-1 (MCL-1). The combination of siRNA anti-E7 and anti-MCL-1 demonstrated high efficacy on multiple HPV16 and HPV18 cell lines and no effects on healthy keratinocytes...
March 28, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28350690/programmed-death-1-pathway-in-orbital-invasion-of-cutaneous-carcinomas
#2
Edward J Wladis, Joshua A Lee, J Andrew Carlson, Nina Martino, Alejandro P Adam
PURPOSE: The programmed death-1 pathway negatively regulates the immune system. Previous reports have indicated worse tumor-related outcomes with increased expression of the ligand for this pathway. This study was undertaken to assess the role of the PD pathway in cutaneous malignancies that invade the orbit. METHODS: Immunohistochemical staining for the programmed death-1 receptor and ligand was performed on exenteration specimens of invasive cutaneous orbital malignancies (n = 12) and nodular basal cell carcinoma (n = 10)...
March 27, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28350689/spheno-orbital-meningiomas-an-analysis-based-on-world-health-organization-classification-and-ki-67-proliferative-index
#3
Irina Belinsky, Ann P Murchison, James J Evans, David W Andrews, Christopher J Farrell, James P Casey, Mark T Curtis, Kamila A Nowak Choi, Maria Werner-Wasik, Jurij R Bilyk
PURPOSE: To evaluate the clinical behavior of spheno-orbital meningiomas with regard to World Health Organization (WHO) tumor grade and Ki-67, a cellular marker of proliferation. METHODS: A retrospective review over a 16-year period of the demographic, clinical, radiographic, and surgical data of all patients with spheno-orbital meningioma who underwent surgical resection. Tumor specimens were examined histologically using the current WHO 2016 classification and immunohistochemically using Ki-67/MIB-1 monoclonal antibody...
March 27, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28350531/phytophthora-infestans-effectors-ipi-o1-and-ipi-o4-each-contribute-to-pathogen-virulence
#4
Yu Chen, Dennis A Halterman
Potato late blight, caused by the oomycete pathogen Phytophthora infestans, is one of the most destructive plant diseases. Despite decades of intensive breeding efforts, it remains a threat to potato production worldwide, because newly evolved pathogen strains have overcome major resistance genes quickly. The RB protein, from the diploid wild potato species Solanum bulbocastanum, confers partial resistance to most P. infestans strains through its recognition of members of the corresponding pathogen effector protein family IPI-O...
March 29, 2017: Phytopathology
https://www.readbyqxmd.com/read/28350521/clinical-activity-of-the-%C3%AE-secretase-inhibitor-pf-03084014-in-adults-with-desmoid-tumors-aggressive-fibromatosis
#5
Shivaani Kummar, Geraldine O'Sullivan Coyne, Khanh T Do, Baris Turkbey, Paul S Meltzer, Eric Polley, Peter L Choyke, Robert Meehan, Rasa Vilimas, Yvonne Horneffer, Lamin Juwara, Ann Lih, Amul Choudhary, Sandra A Mitchell, Lee J Helman, James H Doroshow, Alice P Chen
Purpose Desmoid tumors (aggressive fibromatosis) arise from connective tissue cells or fibroblasts. In general, they are slow growing and do not metastasize; however, locally aggressive desmoid tumors can cause severe morbidity and loss of function. Disease recurrence after surgery and/or radiation and diagnosis of multifocal desmoid tumors highlight the need to develop effective systemic treatments for this disease. In this study, we evaluate objective response rate after therapy with the γ-secretase inhibitor PF-03084014 in patients with recurrent, refractory, progressive desmoid tumors...
March 28, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28350520/genomic-classifier-augments-the-role-of-pathological-features-in-identifying-optimal-candidates-for-adjuvant-radiation-therapy-in-patients-with-prostate-cancer-development-and-internal-validation-of-a-multivariable-prognostic-model
#6
Deepansh Dalela, María Santiago-Jiménez, Kasra Yousefi, R Jeffrey Karnes, Ashley E Ross, Robert B Den, Stephen J Freedland, Edward M Schaeffer, Adam P Dicker, Mani Menon, Alberto Briganti, Elai Davicioni, Firas Abdollah
Purpose Despite documented oncologic benefit, use of postoperative adjuvant radiotherapy (aRT) in patients with prostate cancer is still limited in the United States. We aimed to develop and internally validate a risk-stratification tool incorporating the Decipher score, along with routinely available clinicopathologic features, to identify patients who would benefit the most from aRT. Patient and Methods Our cohort included 512 patients with prostate cancer treated with radical prostatectomy at one of four US academic centers between 1990 and 2010...
March 28, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28350509/epstein-barr-virus-and-its-association-with-fascin-expression-in-colorectal-cancers-in-the-syrian-population-a-tissue-microarray-study
#7
Noor Al-Antary, Hanan Farghaly, Tahar Aboulkassim, Amber Yasmeen, Nizar Akil, Ala-Eddin Al Moustafa
Colorectal cancer (CRC) is the third most common malignancy in both men and women worldwide. Colorectal carcinogenesis is a complex, multistep process involving environmental and lifestyle features as well as sequential genetic changes in addition to bacterial and viral infections. Viral infection has a proven role in the incidence of approximately 20% of human cancers including gastric malignancies. Accordingly, Epstein-Barr virus (EBV) has been recently shown to be present in human gastric cancers, which could play an important role in the initiation and progression of these cancers...
March 28, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28346812/identification-of-a-novel-benzimidazole-pyrazolone-scaffold-that-inhibits-kdm4-lysine-demethylases-and-reduces-proliferation-of-prostate-cancer-cells
#8
David M Carter, Edgar Specker, Jessica Przygodda, Martin Neuenschwander, Jens Peter von Kries, Udo Heinemann, Marc Nazaré, Ulrich Gohlke
Human lysine demethylase (KDM) enzymes (KDM1-7) constitute an emerging class of therapeutic targets, with activities that support growth and development of metastatic disease. By interacting with and co-activating the androgen receptor, the KDM4 subfamily (KDM4A-E) promotes aggressive phenotypes of prostate cancer (PCa). Knockdown of KDM4 expression or inhibition of KDM4 enzyme activity reduces the proliferation of PCa cell lines and highlights inhibition of lysine demethylation as a possible therapeutic method for PCa treatment...
March 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28346706/tooth-loss-in-generalized-aggressive-periodontitis-prognostic-factors-after-17-years-of-supportive-periodontal-treatment
#9
Christian Graetz, Sonja Sälzer, Anna Plaumann, Peter Schlattmann, Maren Kahl, Claudia Springer, Christof Dörfer, Falk Schwendicke
AIM: This retrospective longitudinal study assessed the risk of and prognostic factors for tooth loss in patients with generalized aggressive periodontitis (GAgP) after periodontal treatment in a university setting. METHODS: 57 patients (1505 teeth) were examined before (T0) and after active periodontal therapy (APT, T1) as well as after 17.4±4.8 [range: 9-28] years of supportive periodontal therapy (SPT, T2). Descriptive statistics and a Cox-proportional-hazards shared-frailty model were applied...
March 27, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28346502/ebv-induces-persistent-nf-%C3%AE%C2%BAb-activation-and-contributes-to-survival-of-ebv-positive-neoplastic-t-or-nk-cells
#10
Honami Takada, Ken-Ichi Imadome, Haruna Shibayama, Mayumi Yoshimori, Ludan Wang, Yasunori Saitoh, Shin Uota, Shoji Yamaoka, Takatoshi Koyama, Norio Shimizu, Kouhei Yamamoto, Shigeyoshi Fujiwara, Osamu Miura, Ayako Arai
Epstein-Barr virus (EBV) has been detected in several T- and NK-cell neoplasms such as extranodal NK/T-cell lymphoma nasal type, aggressive NK-cell leukemia, EBV-positive peripheral T-cell lymphoma, systemic EBV-positive T-cell lymphoma of childhood, and chronic active EBV infection (CAEBV). However, how this virus contributes to lymphomagenesis in T or NK cells remains largely unknown. Here, we examined NF-κB activation in EBV-positive T or NK cell lines, SNT8, SNT15, SNT16, SNK6, and primary EBV-positive and clonally proliferating T/NK cells obtained from the peripheral blood of patients with CAEBV...
2017: PloS One
https://www.readbyqxmd.com/read/28346484/a-neighborhood-wide-association-study-nwas-example-of-prostate-cancer-aggressiveness
#11
Shannon M Lynch, Nandita Mitra, Michelle Ross, Craig Newcomb, Karl Dailey, Tara Jackson, Charnita M Zeigler-Johnson, Harold Riethman, Charles C Branas, Timothy R Rebbeck
PURPOSE: Cancer results from complex interactions of multiple variables at the biologic, individual, and social levels. Compared to other levels, social effects that occur geospatially in neighborhoods are not as well-studied, and empiric methods to assess these effects are limited. We propose a novel Neighborhood-Wide Association Study(NWAS), analogous to genome-wide association studies(GWAS), that utilizes high-dimensional computing approaches from biology to comprehensively and empirically identify neighborhood factors associated with disease...
2017: PloS One
https://www.readbyqxmd.com/read/28346397/the-process-and-regulatory-components-of-inflammation-in-brain-oncogenesis
#12
REVIEW
A G M Mostofa, Surendra R Punganuru, Hanumantha Rao Madala, Mohammad Al-Obaide, Kalkunte S Srivenugopal
Central nervous system tumors comprising the primary cancers and brain metastases remain the most lethal neoplasms and challenging to treat. Substantial evidence points to a paramount role for inflammation in the pathology leading to gliomagenesis, malignant progression and tumor aggressiveness in the central nervous system (CNS) microenvironment. This review summarizes the salient contributions of oxidative stress, interleukins, tumor necrosis factor-α (TNF-α), cyclooxygenases, and transcription factors such as signal transducer and activator of transcription 3 (STAT3) and nuclear factor kappa-light-chain-enhancer of activated B-cells (NF-κB) and the associated cross-talks to the inflammatory signaling in CNS cancers...
March 27, 2017: Biomolecules
https://www.readbyqxmd.com/read/28346326/sarcomas-with-cic-rearrangements-are-a-distinct-pathologic-entity-with-aggressive-outcome-a-clinicopathologic-and-molecular-study-of-115-cases
#13
Cristina R Antonescu, Adepitan A Owosho, Lei Zhang, Sonja Chen, Kemal Deniz, Joseph M Huryn, Yu-Chien Kao, Shih-Chiang Huang, Samuel Singer, William Tap, Inga-Marie Schaefer, Christopher D Fletcher
CIC-DUX4 gene fusion, resulting from either a t(4;19) or t(10;19) translocation, is the most common genetic abnormality detected in EWSR1-negative small blue round cell tumors. Following their discovery it was debated if these tumors should be classified as variants of Ewing sarcoma (ie, atypical Ewing sarcoma) or as a stand-alone pathologic entity. As such the WHO classification temporarily grouped the CIC-rearranged tumors under undifferentiated sarcomas with round cell phenotype, until further clinical evidence was available...
March 24, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28346237/current-and-future-pharmacologic-treatment-of-nonalcoholic-steatohepatitis
#14
Bubu A Banini, Arun J Sanyal
PURPOSE OF REVIEW: Nonalcoholic steatohepatitis (NASH), the aggressive form of nonalcoholic fatty liver disease (NAFLD), can progress to cirrhosis and hepatocellular cancer in 5-15% of patients and is rapidly becoming the leading cause for end-stage liver disease. Dietary caloric restriction and exercise, currently the cornerstone of therapy for NAFLD, can be difficult to achieve and maintain, underscoring the dire need for pharmacotherapy. This review presents the agents currently used in managing NAFLD and their pharmacologic targets...
March 24, 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/28345963/accumulation-and-speciation-of-cd-in-avicennia-marina-tissues
#15
Li Jian, Yan Chongling, Du Daolin, Lu Haoliang, Liu Jingchun
Avicennia marina is a high Cd tolerant species in the mangrove wetlands. A hydroponic experiment was carried out to research the accumulation and chemical form distribution of Cd in the tissues of A. marina under different concentration and time of Cd stress. It was found that the concentrations of Cd in plant tissues followed the order of root> stem>leaf. The data suggested that root activity decreased, Cd accumulation ability weakened in roots and the Translocation Factor increased in stems and leaves with the increase of stress time...
March 27, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28345826/value-of-sentinel-lymph-node-sln-mapping-and-biopsy-using-combined-intracervical-radiotracers-and-blue-dye-injections-for-endometrial-cancer
#16
Farah Farzaneh, Atefeh Moridi, Zahra Azizmohammadi, Mojtaba Ansari J, Maryam Sadat Hosseini, Maliheh Arab, Tahereh Ashrafganjoei, Mina Mazaheri
Background: Lymphadenectomy, as part of the initial surgical staging of patients with endometrial carcinoma, remains a controversial topic in gynecologic oncology. Sentinel lymph node (SLN) mapping has become a well-accepted procedure for melanomas and breast cancer; a number of investigators have begun to explore the utility and accuracy of this technique with regard to endometrial cancer. Aim: This study was conducted to evaluate SLN mapping of early stage endometrial cancer with blue dye in conjunction with a radioactive tracer...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28345466/tumor-associated-calcium-signal-transducer-2-regulates-neovascularization-of-non-small-cell-lung-cancer-via-activating-erk1-2-signaling-pathway
#17
Xiaobin Guo, Xiaoming Zhu, Limin Zhao, Xiao Li, Dongjun Cheng, Keqing Feng
Lung cancer, especially the non-small-cell lung cancer, is a highly aggressive vascular cancer with excessively activated signaling pathways. Tumor-associated calcium signal transducer 2, also known as trop2, was identified to be correlated with tumor proliferation and invasion of non-small-cell lung cancer; however, the biological role of trop2 in neovascularization of non-small-cell lung cancer remained elusive. In this study, we first verified that trop2 was overexpressed in non-small-cell lung cancer tissues as well as cell lines and that the increased expression of trop2 promoted non-small-cell lung cancer cell proliferation and invasion...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28345457/special-at-rich-sequence-binding-protein-1-promotes-tumor-growth-and-metastasis-of-esophageal-squamous-cell-carcinoma
#18
Jun Ma, Kaiming Wu, Zhenxian Zhao, Rong Miao, Zhe Xu
Esophageal squamous cell carcinoma is one of the most aggressive malignancies worldwide. Special AT-rich sequence binding protein 1 is a nuclear matrix attachment region binding protein which participates in higher order chromatin organization and tissue-specific gene expression. However, the role of special AT-rich sequence binding protein 1 in esophageal squamous cell carcinoma remains unknown. In this study, western blot and quantitative real-time polymerase chain reaction analysis were performed to identify differentially expressed special AT-rich sequence binding protein 1 in a series of esophageal squamous cell carcinoma tissue samples...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28345371/ewma-document-negative-pressure-wound-therapy
#19
Jan Apelqvist, Christian Willy, Ann-Mari Fagerdahl, Marco Fraccalvieri, Malin Malmsjö, Alberto Piaggesi, Astrid Probst, Peter Vowden
1. Introduction Since its introduction in clinical practice in the early 1990's negative pressure wounds therapy (NPWT) has become widely used in the management of complex wounds in both inpatient and outpatient care.(1) NPWT has been described as a effective treatment for wounds of many different aetiologies(2,3) and suggested as a gold standard for treatment of wounds such as open abdominal wounds,(4-6) dehisced sternal wounds following cardiac surgery(7,8) and as a valuable agent in complex non-healing wounds...
March 1, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28345316/the-implication-of-coronary-artery-calcium-testing-for-cardiovascular-disease-prevention-and-diabetes
#20
REVIEW
Ron Blankstein, Ankur Gupta, Jamal S Rana, Khurram Nasir
Over the last two decades coronary artery calcium (CAC) scanning has emerged as a quick, safe, and inexpensive method to detect the presence of coronary atherosclerosis. Data from multiple studies has shown that compared to individuals who do not have any coronary calcifications, those with severe calcifications (i.e., CAC score >300) have a 10-fold increase in their risk of coronary heart disease events and cardiovascular disease. Conversely, those that have a CAC of 0 have a very low event rate (~0.1%/year), with data that now extends to 15 years in some studies...
March 2017: Endocrinology and Metabolism
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