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https://www.readbyqxmd.com/read/28454428/the-regulation-of-proteins-associated-with-the-cytoskeleton-by-hepatitis-b-virus-x-protein-during-hepatocarcinogenesis
#1
Fanyun Kong, Hongjuan You, Renxian Tang, Kuiyang Zheng
Hepatocellular carcinoma (HCC) is a major malignant disease worldwide, and chronic hepatitis B virus (HBV) infection is one of the primary causes for this type of cancer. Hepatitis B virus X protein (HBx) is a non-structural protein encoded by the viral genome that has significant effects on the pathogenesis of HCC. With the development of high-throughput assays and technologies, the abnormal HBx-induced expression of certain cellular proteins with assorted biological functions has been investigated. These target proteins identified by various methods include specific proteins associated with the cellular cytoskeleton, which contribute to HBx-induced hepatocarcinogenesis...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454426/prevalence-of-human-papillomavirus-infection-of-the-anal-canal-in-women-a-prospective-analysis-of-high-risk-populations
#2
Bernd P Kost, Jörg Hofmann, Susanne Stoellnberger, Florian Bergauer, Thomas Blankenstein, Irene Alba-Alejandre, Angela Stein, Claudia Stuckart, Katharina Weizsäcker, Ioannis Mylonas, Sven Mahner, Andrea Gingelmaier
Infection with certain types of human papillomavirus (HPV) has been associated with the development of cervical and anal cancer. Worldwide, the incidence of anal cancer has increased markedly. The present study aimed to evaluate the prevalence of HPV infection of the uterine cervix and anal canal in human immunodeficiency virus (HIV)- and non-HIV-infected risk populations. Cervical and anal HPV swabs and cytology samples were collected from 287 patients at the University Hospital of Munich, Germany between 2011 and 2013...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454345/high-il-17-expression-is-associated-with-an-unfavorable-prognosis-in-thyroid-cancer
#3
Denise Faria Galano Carvalho, Bruna Riedo Zanetti, Lydianne Miranda, Marcela Kazue Hassumi-Fukasawa, Fabiana Miranda-Camargo, Janaína Cristiana Oliveira Crispim, Edson Garcia Soares
Previous studies have indicated that cancer may be promoted and/or exacerbated by inflammation and infection. The cytokines produced by activated innate immune cells that stimulate tumor growth and progression are considered as important components in this process. The interleukin (IL)-23/T helper (Th)17 axis, which exerts marked pro-inflammatory effects, has emerged as an important mediator in inflammation-associated cancer. Increasing clinical evidence indicates that Th17 may promote or inhibit tumor progression, however, the function of Th17 in the pathogenesis of benign and malignant thyroid neoplasms remains unclear...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454292/dna-vaccine-encoding-human-papillomavirus-antigens-flanked-by-a-signal-peptide-and-a-kdel-sequence-induces-a-potent-therapeutic-antitumor-effect
#4
Jose J Perez-Trujillo, Rodolfo Garza-Morales, Jose A Barron-Cantu, Gabriel Figueroa-Parra, Aracely Garcia-Garcia, Humberto Rodriguez-Rocha, Jaime Garcia-Juarez, Gerardo E Muñoz-Maldonado, Odila Saucedo-Cardenas, Roberto Montes-De-Oca-Luna, Maria De Jesus Loera-Arias
Cellular immune responses play a critical role in the eradication of intracellular infections and malignant cells through the recognition and subsequent removal of the infection or malignant cells. Effective antigen presentation is crucial for stimulating the immune system against malignant cells. Calreticulin (CRT) has been used to improve antigen presentation. However, CRT overexpression has been previously associated with the development of pancreatic and breast cancer. The import and retention signals of CRT in the endoplasmic reticulum (ER) can be used to overcome CRT overexpression...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454275/variations-in-the-multimerization-region-of-the-helicobacter-pylori-cytotoxin-caga-affect-virulence
#5
Daiva Ahire, Tricia Alston, Robert Raffaniello
Helicobacter pylori colonizes the human stomach by infecting gastric epithelial cells. It is the primary cause of peptic ulcer disease and gastric cancer (GC). Cytotoxin-associated gene A (CagA) is a virulence factor produced by H. pylori. Strains positive for the CagA protein are associated with more severe gastric diseases. The 3' region of the cagA gene exhibits heterogeneity with respect to tyrosine phosphorylation motifs (EPIYA) and CagA multimerization motifs (CM). CagA proteins are categorized as either Western or Eastern based on EPIYA sequences...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454117/elimination-of-lmp1-expressing-cells-from-a-monolayer-of-gastric-cancer-ags-cells
#6
Yoshitaka Sato, Shingo Ochiai, Takayuki Murata, Teru Kanda, Fumi Goshima, Hiroshi Kimura
Epstein-Barr virus (EBV) latently infects malignant epithelial cells in approximately 10% of all gastric cancers. Latent membrane protein 1 (LMP1), an oncogenic protein, plays an important role in malignant transformation in EBV-associated nasopharyngeal carcinoma and B-cell lymphoma; however, its expression has not been detected in EBV-associated gastric cancer. To address why LMP1 has not been detected in EBV-positive gastric tumors, we focused on the interactions between LMP1-positive and -negative cells and stably expressed LMP1 in the gastric cancer cell line AGS...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454049/response-surface-method-optimization-of-a-novel-hypericin-formulation-in-p123-micelles-for-colorectal-cancer-and-antimicrobial-photodynamic-therapy
#7
Maiara Camotti Montanha, Larissa Lachi Silva, Fernanda Belincanta Borghi Pangoni, Gabriel Batista Cesar, Renato Sonchini Gonçalves, Wilker Caetano, Noboru Hioka, Tania Toyomi Tominaga, Márcia Edilaine Lopes Consolaro, Andréa Diniz, Elza Kimura
The photodynamic properties of Hypericin (Hyp) may be used as an alternative treatment for malignancies of the lower gastrointestinal tract and for the prevention of surgical-site infection; however, its use in photodynamic therapy has been limited because of its poor hydrosolubility. Therefore, in order to improve its water solubility and its photodynamic effect, Hyp was encapsulated in Pluronic P123 (P123) and the photodynamic effects against intestinal and epidermal bacteria and against two lineages of intestinal colon carcinoma cells were investigated...
April 12, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28453551/associations-between-cytokine-gene-polymorphisms-and-susceptibility-to-helicobacter-pylori-infection-and-helicobacter-pylori-related-gastric-cancer-peptic-ulcer-disease-a-meta-analysis
#8
Jingjing Ma, Dandan Wu, Xue Hu, Jiao Li, Mingwei Cao, Weiguo Dong
OBJECTIVES: The aim of this study is to clarify the associations between IL-1B31C/T, IL-1B-511C/T, IL-8-251T/A gene polymorphisms and the risk of Helicobacter pylori (H. pylori) infection together with H. pylori-related gastric cancer (GC), peptic ulcer disease (PUD). METHODS: All eligible literature published up to July 2016 were identified by searching Pubmed, Embase, Web of Science and CNKI. Pooled odds ratio (OR) and 95% confidence interval (95% CI) were calculated using a fixed or random effects model...
2017: PloS One
https://www.readbyqxmd.com/read/28453511/no-contribution-of-lifestyle-and-environmental-exposures-to-gender-discrepancy-of-liver-disease-severity-in-chronic-hepatitis-b-infection-observations-from-the-haimen-city-cohort
#9
Jing Sun, Lucy Robinson, Nora L Lee, Seth Welles, Alison A Evans
BACKGROUND: Previous studies have noted significant gender difference in the risk of liver cancer among hepatitis B chronic infection patients. Some indicated that it might be due to lifestyle-related differences. This paper tests whether or not such a gender discrepancy among the chronic hepatitis B population is confounded by lifestyle and environment related exposures. METHODS: We retrieved a sample of 1863 participants from a prospective cohort in Haimen City, China in 2003...
2017: PloS One
https://www.readbyqxmd.com/read/28453456/the-synergic-effect-of-hpv-infection-and-epigenetic-anomaly-of-the-p16-gene-in-the-development-of-cervical-cancer
#10
Arif Ahmad, Mohammad Raish, Mohammad Shahid, Swaraj Batra, Vineeta Batra, Syed Akhtar Husain
BACKGROUND: Cervical cancer is the most common cancer in Indian women. Infection with a high-risk human papillomavirus (HR-HPV) is the greatest risk factor for developing cervical cancer. The genetic and epigenetic changes in the tumor suppressor p16 gene is play an important role in the development of cervical cancer. OBJECTIVE: To evaluate the expression and promoter methylation of p16 gene in HR-HPV infected squamous cell carcinoma of the uterine cervix. METHODS: To find out p16INK4a expression and methylation status 105 squamous cell carcinoma of the uterine cervix were investigated by using immunohistochemistry and Methylation Specific PCR techniques...
April 14, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28449529/do-hospitals-need-oncological-critical-care-units
#11
EDITORIAL
Abby Koch, William Checkley
Since the inception of critical care as a formal discipline in the late 1950s, we have seen rapid specialization to many types of intensive care units (ICUs) to accommodate evolving life support technologies and novel therapies in various disciplines of medicine. Indeed, the field has expanded such that specialized ICUs currently exist to address critical care problems in medicine, cardiology, neurology and neurosurgery, trauma, burns, organ transplant and cardiothoracic surgeries. Specialization does not only need new infrastructure, but also training and staffing of health care providers, ancillary staff, and development and implementation of processes of care...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449403/effects-of-malnutrition-on-treatment-related-morbidity-and-survival-of-children-with-cancer-in-nicaragua
#12
Allison K Pribnow, Roberta Ortiz, Luis Fulgencio Báez, Luvy Mendieta, Sandra Luna-Fineman
BACKGROUND: Most children with cancer live in resource-limited countries where malnutrition is often prevalent. We identified the relationship between malnutrition and treatment-related morbidity (TRM), abandonment of therapy, and survival of children with cancer in Nicaragua to better inform targeted nutritional interventions. PROCEDURE: We conducted a retrospective review of patients aged 6 months to 18 years with newly diagnosed acute lymphoblastic leukemia, acute myeloid leukemia (AML), Wilms tumor, Hodgkin lymphoma, or Burkitt lymphoma (BL) who were treated between January 1, 2004, and December 31, 2007 at Children's Hospital Manuel de Jesus Rivera in Managua, Nicaragua...
April 27, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28449059/marijuana-use-impacts-midlife-cardiovascular-events-in-hiv-infected-men
#13
David R Lorenz, Anupriya Dutta, Shibani S Mukerji, Alex Holman, Hajime Uno, Dana Gabuzda
Background.: Marijuana use is prevalent among persons infected with HIV, but its long-term effects on HIV disease progression and comorbidities are unknown. Methods.: A prospective study of 558 HIV-infected men enrolled in the Multicenter AIDS Cohort Study between 1990-2010: 182 HIV seroconverters and 376 with viral suppression on combination antiretroviral therapy (ART). Associations between heavy marijuana use and HIV disease markers or white blood cell (WBC) count were examined using mixed-effects and linear regression models...
April 25, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28447341/chemotherapy-alone-versus-chemotherapy-plus-radiotherapy-for-adults-with-early-stage-hodgkin-lymphoma
#14
REVIEW
Oliver Blank, Bastian von Tresckow, Ina Monsef, Lena Specht, Andreas Engert, Nicole Skoetz
BACKGROUND: Combined modality treatment consisting of chemotherapy followed by localised radiotherapy is the standard treatment for patients with early stage Hodgkin lymphoma (HL). However, due to long- term adverse effects such as secondary malignancies the role of radiotherapy has been questioned recently and some clinical study groups advocate chemotherapy only for this indication. OBJECTIVES: To assess the effects of chemotherapy alone compared to chemotherapy plus radiotherapy in adults with early stage HL ...
April 27, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28447263/design-of-a-lentiviral-vector-for-the-inducible-expression-of-myc-a-new-strategy-for-construction-approach
#15
Onur Tokgun, Francesco Paolo Fiorentino, Pervin Elvan Tokgun, Jun Yokota, Hakan Akca
Lentiviral vectors are powerful tools for gene expression studies. Here we report the construction of pTIJ, a vector for inducible gene expression. pTIJ was generated from pTRIPZ backbone, which is designed for the inducible expression of shRNA sequences, by the introducing of a multiple cloning site upstream of the Tet promoter and the removal of miR30 flanking sequences. To evaluate pTIJ as a tool for the inducible expression of genes of interest, we introduced MYC cDNA into pTIJ and infected two small cell lung cancer cell lines, H209 and H345...
April 26, 2017: Molecular Biotechnology
https://www.readbyqxmd.com/read/28447238/effects-of-hepatitis-c-virus-infection-on-the-safety-of-chemotherapy-for-breast-cancer-patients
#16
Yu Liu, Zhan-Yi Li, Jia-Ni Wang, Xi Li, Qun-Ai Huang, Yong Huang
PURPOSE: Hepatitis C virus (HCV) is one of the major pathogens of chronic viral hepatitis, and approximately 38 million patients are infected with HCV in China. However, little information is available on the effect of HCV infection during chemotherapy for breast cancer and the impact of HCV infection on the toxicity of chemotherapy and targeted therapy. METHODS: We performed a retrospective survey of 835 patients who were diagnosed with breast cancer between January 2010 and December 2015 at our institution...
April 26, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28447173/clinical-and-microbiological-features-associated-with-group-b-streptococcus-bone-and-joint-infections-france-2004-2014
#17
S Kernéis, C Plainvert, J-P Barnier, A Tazi, N Dmytruk, B Gislain, J Loubinoux, F El Sayed, V Cattoir, N Desplaces, V Vernet, P Morand, C Poyart
This study describes the clinical and microbiological features associated with group B Streptococcus (GBS) bone and joint infections (BJIs). It was a retrospective analysis of adult cases of GBS BJIs reported to the French National Reference Center for Streptococci from January 2004 to December 2014. Clinical data and GBS molecular characteristics are reported. Strains were collected from 163 patients. The most frequent comorbidities were: solid organ cancer (n = 21, 21%) and diabetes mellitus (n = 20, 20%)...
April 26, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28446984/salvage-surgery-after-high-dose-radiotherapy
#18
REVIEW
Annemie Van Breussegem, Jeroen M Hendriks, Patrick Lauwers, Paul E Van Schil
Salvage surgery is a relatively new entity in thoracic surgery and oncology. Salvage resection after radiotherapy refers to surgery as only remaining therapeutic option in patients who were treated with high-dose stereotactic radiotherapy (SRT) for early-stage lung cancer or full-dose chemoradiation for locally advanced lung cancer. Indications include locally progressive tumors, recurrent local or locoregional disease, or specific complications after radiotherapy such as lung abscesses or infected, necrotic cavities...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28446615/proliferation-of-pd-1-cd8-t-cells-in-peripheral-blood-after-pd-1-targeted-therapy-in-lung-cancer-patients
#19
Alice O Kamphorst, Rathi N Pillai, Shu Yang, Tahseen H Nasti, Rama S Akondy, Andreas Wieland, Gabriel L Sica, Ke Yu, Lydia Koenig, Nikita T Patel, Madhusmita Behera, Hong Wu, Megan McCausland, Zhengjia Chen, Chao Zhang, Fadlo R Khuri, Taofeek K Owonikoko, Rafi Ahmed, Suresh S Ramalingam
Exhausted T cells in chronic infections and cancer have sustained expression of the inhibitory receptor programmed cell death 1 (PD-1). Therapies that block the PD-1 pathway have shown promising clinical results in a significant number of advanced-stage cancer patients. Nonetheless, a better understanding of the immunological responses induced by PD-1 blockade in cancer patients is lacking. Identification of predictive biomarkers is a priority in the field, but whether peripheral blood analysis can provide biomarkers to monitor or predict patients' responses to treatment remains to be resolved...
April 26, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28446260/human-papillomavirus-9-valent-vaccine-for-cancer-prevention-a-systematic-review-of-the-available-evidence
#20
C Signorelli, A Odone, V Ciorba, P Cella, R A Audisio, A Lombardi, L Mariani, F S Mennini, S Pecorelli, G Rezza, G V Zuccotti, A Peracino
In 2014, the Food and Drug Administration approved a new human papillomavirus 9-valent vaccine (9vHPV), targeting nine HPV types: HPV types 6, 11, 16, and 18, which are also targeted by the quadrivalent HPV vaccine (qHPV), plus five additional high cancer risk HPV types (HPV types 31, 33, 45, 52, and 58). The aim of the current study was to systematically retrieve, qualitatively and quantitatively pool, as well as critically appraise all available evidence on 9vHPV from randomized controlled trials (RCTs). We conducted a systematic review of the literature on 9vHPV efficacy, immunogenicity and safety, as well as a systematic search of registered, completed, and ongoing RCTs...
April 27, 2017: Epidemiology and Infection
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