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Cancer related infections

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https://www.readbyqxmd.com/read/28803888/cancer-risk-in-hiv-infected-people-in-the-usa-from-1996-to-2012-a-population-based-registry-linkage-study
#1
Raúl U Hernández-Ramírez, Meredith S Shiels, Robert Dubrow, Eric A Engels
BACKGROUND: Monitoring cancer risk among HIV-infected people in the modern antiretroviral therapy (ART) era is essential given their elevated risk for many cancers and prolonged survival with immunosuppression, ART exposure, and ageing. We aimed to examine cancer risk in HIV-infected people in the USA as compared with that in the general population. METHODS: We did a registry-linkage study with data from population-based HIV and cancer registries in the USA (the HIV/AIDS Cancer Match Study)...
August 10, 2017: Lancet HIV
https://www.readbyqxmd.com/read/28801683/regulation-of-tumour-related-genes-by-dynamic-epigenetic-alteration-at-enhancer-regions-in-gastric-epithelial-cells-infected-by-epstein-barr-virus
#2
Atsushi Okabe, Sayaka Funata, Keisuke Matsusaka, Hiroe Namba, Masaki Fukuyo, Bahityar Rahmutulla, Motohiko Oshima, Atsushi Iwama, Masashi Fukayama, Atsushi Kaneda
Epstein-Barr virus (EBV) infection is associated with tumours such as Burkitt lymphoma, nasopharyngeal carcinoma, and gastric cancer. We previously showed that EBV(+) gastric cancer presents an extremely high-methylation epigenotype and this aberrant DNA methylation causes silencing of multiple tumour suppressor genes. However, the mechanisms that drive EBV infection-mediated tumorigenesis, including other epigenomic alteration, remain unclear. We analysed epigenetic alterations induced by EBV infection especially at enhancer regions, to elucidate their contribution to tumorigenesis...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28800616/seroprevalence-of-iga-anti-epstein-barr-virus-is-high-among-family-members-of-nasopharyngeal-cancer-patients-and-individuals-presenting-with-chronic-complaints-in-head-and-neck-area
#3
Susanna Hilda Hutajulu, Jajah Fachiroh, Gabriella Argy, Sagung Rai Indrasari, Luh Putu Lusy Indrawati, Dewi Kartikawati Paramita, Theodola Baning Rahayu Jati, Jaap M Middeldorp
Epstein-Barr (EBV) infection and presence of a nasopharyngeal cancer (NPC) case in the family increases the risk of developing NPC. Aberrant anti-EBV immunoglobulin A (IgA) antibodies (EBV-IgA) may be present in the sera of non-cancer individuals and predict NPC. Limited studies report the presence of EBV-IgA antibodies within non-cancer individuals in Indonesia where the disease is prevalent. This study aimed at exploring whether EBV-IgA was found more frequently among first degree relatives of NPC patients and individuals presenting with chronic symptoms in the head and neck area compared to healthy controls...
2017: PloS One
https://www.readbyqxmd.com/read/28799796/immune-modulation-by-curcumin-the-role-of-interleukin-10
#4
Hamid Mollazadeh, Arrigo F G Cicero, Christopher N Blesso, Matteo Pirro, Muhammed Majeed, Amirhossein Sahebkar
Cytokines are small secreted proteins released by different types of cells with specific effects on cellular signaling and communication via binding to their receptors on the cell surface. IL-10 is known to be a pleiotropic and potent anti-inflammatory and immunosuppressive cytokine that is produced by both innate and adaptive immunity cells including dendritic cells, macrophages, mast cells, natural killer cells, eosinophils, neutrophils, B cells, CD8(+) T cells, and TH1, TH2, and TH17 and regulatory T cells...
August 11, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28798906/cerebral-sinovenous-thrombosis
#5
REVIEW
Rebecca Ichord
Cerebral sinovenous thrombosis (CSVT) is a rare but serious cerebrovascular disorder affecting children from the newborn period through childhood and adolescence. The incidence is estimated at 0.6/100,000/year, with 30-50% occurring in newborns. Causes are diverse and are highly age dependent. Acute systemic illness is the dominant risk factor among newborns. In childhood CSVT, acute infections of the head and neck such as mastoiditis are most common, followed by chronic underlying diseases such as nephrotic syndrome, cancer, and inflammatory bowel disease...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28798814/editorial-childhood-cancer-in-sub-saharan-africa
#6
EDITORIAL
Donald Maxwell Parkin, Cristina Stefan
Measurement of incidence rates of childhood cancer in Africa is difficult. The study 'Cancer of Childhood in sub Saharan Africa' [Stefan C, Bray F, Ferlay J, Parkin DM and Liu B (2017) Cancer of Childhood in sub-Saharan Africaecancer11(755)] brings together results from 16 population-based registries which, as members of the African Cancer Registry Network (AFCRN), have been evaluated as achieving adequate coverage of their target population. The cancers are classified according to the third revision of the International Classification of Childhood Cancer (ICCC-3) and recorded rates in Africa are compared with those in childhood populations in the UK, France, and the USA...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28797714/profiling-the-urinary-microbiome-in-men-with-positive-versus-negative-biopsies-for-prostate-cancer
#7
Eva Shrestha, James R White, Shu-Han Yu, Ibrahim Kulac, Onur Ertunc, Angelo M De Marzo, Srinivasan Yegnasubramanian, Leslie A Mangold, Alan W Partin, Karen S Sfanos
PURPOSE: Studies demonstrating bacterial DNA and cultivable bacteria in urine samples have challenged the clinical dogma that urine is sterile. Furthermore, studies now indicate that dysbiosis of the urinary microbiome is associated with pathological conditions. We propose that the urinary microbiome may influence chronic inflammation observed in the prostate, leading to prostate cancer development and progression. We therefore aimed to profile the urinary microbiome in men with positive versus negative biopsies for prostate cancer...
August 7, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28797620/extended-follow-up-of-patients-treated-with-bendamustine-for-lymphoid-malignancies
#8
Mara Penne, Maryam Sarraf Yazdy, Kruti Sheth Nair, Bruce D Cheson
INTRODUCTION: Bendamustine, typically in combination with rituximab, is an effective treatment for chronic lymphocytic leukemia (CLL) and B-cell non-Hodgkin lymphoma. Despite its acceptable short-term toxicity profile, long-term toxicities are less well established. This study investigated the long-term adverse effects of bendamustine and responses to subsequent treatments. PATIENTS AND METHODS: Charts of 194 patients were retrospectively reviewed; 54% had received prior treatment (76% attained complete response [CR] or partial response [PR])...
June 30, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28796882/cytology-versus-hpv-testing-for-cervical-cancer-screening-in-the-general-population
#9
REVIEW
George Koliopoulos, Victoria N Nyaga, Nancy Santesso, Andrew Bryant, Pierre Pl Martin-Hirsch, Reem A Mustafa, Holger Schünemann, Evangelos Paraskevaidis, Marc Arbyn
BACKGROUND: Cervical cancer screening has traditionally been based on cervical cytology. Given the aetiological relationship between human papillomavirus (HPV) infection and cervical carcinogenesis, HPV testing has been proposed as an alternative screening test. OBJECTIVES: To determine the diagnostic accuracy of HPV testing for detecting histologically confirmed cervical intraepithelial neoplasias (CIN) of grade 2 or worse (CIN 2+), including adenocarcinoma in situ, in women participating in primary cervical cancer screening; and how it compares to the accuracy of cytological testing (liquid-based and conventional) at various thresholds...
August 10, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28796840/yes-research-matters
#10
Mari L Shinohara
My father was diagnosed with stomach cancer recently. Luckily, it was still at an early stage, and endoscopic surgery successfully took care of it. My father was fortunate; since people with stomach cancer do not show clear symptoms in the early stages, the disease is often not diagnosed until it becomes advanced. In his case, the diagnosis started from a suggestion by his doctor to check whether he had a gastric infection with Helicobacter pylori, a bacterial species found in the digestive tract. In Japan, where he lives, a majority of gastric cancer patients (more than 99%) have been infected with H...
August 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28796199/markers-of-t-cell-senescence-in-humans
#11
REVIEW
Weili Xu, Anis Larbi
Many countries are facing the aging of their population, and many more will face a similar obstacle in the near future, which could be a burden to many healthcare systems. Increased susceptibility to infections, cardiovascular and neurodegenerative disease, cancer as well as reduced efficacy of vaccination are important matters for researchers in the field of aging. As older adults show higher prevalence for a variety of diseases, this also implies higher risk of complications, including nosocomial infections, slower recovery and sequels that may reduce the autonomy and overall quality of life of older adults...
August 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28794879/human-papillomavirus-driven-immune-deviation-challenge-and-novel-opportunity-for-immunotherapy
#12
REVIEW
Sigrun Smola, Connie Trimble, Peter L Stern
It is now recognized that the immune system can be a key component of restraint and control during the neoplastic process. Human papillomavirus (HPV)-associated cancers of the anogenital tract and oropharynx represent a significant clinical problem but there is a clear opportunity for immune targeting of the viral oncogene expression that drives cancer development. However, high-risk HPV infection of the target epithelium and the expression of the E6/E7 oncogenes can lead to early compromise of the innate immune system (loss of antigen-presenting cells) facilitating viral persistence and increased risk of cancer...
June 2017: Therapeutic Advances in Vaccines
https://www.readbyqxmd.com/read/28794643/preoperative-lymphocyte-to-monocyte-ratio-represents-a-superior-predictor-compared-with-neutrophil-to-lymphocyte-and-platelet-to-lymphocyte-ratios-for-colorectal-liver-only-metastases-survival
#13
Jianhong Peng, Hui Li, Qingjian Ou, Junzhong Lin, Xiaojun Wu, Zhenhai Lu, Yunfei Yuan, Desen Wan, Yujing Fang, Zhizhong Pan
Systemic inflammation was recognized as an essential factor contributing to the development of malignancies. This study aimed to investigate the prognostic value of pre-operative lymphocyte-to-monocyte ratio (LMR), neutrophil-to-lymphocyte ratio (NLR), and platelet-to-lymphocyte ratio (PLR) in patients with colorectal liver-only metastases (CLOM) undergoing hepatectomy. We retrospectively enrolled 150 consecutive patients with CLOM between 2000 and 2012. The optimal cutoff values of continuous LMR, NLR, and PLR were determined using the receiver operating characteristic curve analysis...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28794048/hepatitis-c-virus-core-protein-modulates-endoglin-cd105-signaling-pathway-for-liver-pathogenesis
#14
Young-Chan Kwon, Reina Sasaki, Keith Meyer, Ranjit Ray
Endoglin is part of the TGF-β receptor complex and has a crucial role in fibrogenesis and angiogenesis. It is also an important protein for tumor growth, survival, and cancer cell metastasis. In our previous study, we have shown that hepatitis C virus (HCV) infection induces epithelial-mesenchymal transition state (EMT) and cancer stem-like cell (CSC) properties in human hepatocytes. Our array data suggested that endoglin (CD105) mRNA is significantly upregulated in HCV associated CSCs. In this study, we have observed increased endoglin expression on the cell surface of HCV core expressing hepatocellular carcinoma (HepG2) cell line or immortalized human hepatocytes (IHH) and activation of its downstream signaling molecules...
August 9, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28794023/tumor-suppressor-p53-stimulates-the-expression-of-epstein-barr-virus-latent-membrane-protein-1
#15
Qianli Wang, Amy Lingel, Vicki Geiser, Zachary Kwapnoski, Luwen Zhang
Epstein-Barr virus (EBV) is associated with multiple human malignancies. EBV latent membrane protein 1 (LMP1) is required for the efficient transformation of primary B lymphocytes in vitro and possibly in vivo The tumor suppressor p53 plays a seminal role in cancer development. In some EBV-associated cancers, p53 tends to be wild-type and overly expressed, however, the effects of p53 on LMP1 expression is not clear. We find LMP1 expression is associated with p53 expression in EBV-transformed cells under physiological and DNA damaging conditions...
August 9, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28793925/perturbed-human-sub-networks-by-fusobacterium-nucleatum-candidate-virulence-proteins
#16
Andreas Zanzoni, Lionel Spinelli, Shérazade Braham, Christine Brun
BACKGROUND: Fusobacterium nucleatum is a gram-negative anaerobic species residing in the oral cavity and implicated in several inflammatory processes in the human body. Although F. nucleatum abundance is increased in inflammatory bowel disease subjects and is prevalent in colorectal cancer patients, the causal role of the bacterium in gastrointestinal disorders and the mechanistic details of host cell functions subversion are not fully understood. RESULTS: We devised a computational strategy to identify putative secreted F...
August 10, 2017: Microbiome
https://www.readbyqxmd.com/read/28793350/ifnar2-dependent-gene-expression-profile-induced-by-ifn-%C3%AE-in-pteropus-alecto-bat-cells-and-impact-of-ifnar2-knockout-on-virus-infection
#17
Qian Zhang, Lei-Ping Zeng, Peng Zhou, Aaron T Irving, Shang Li, Zheng-Li Shi, Lin-Fa Wang
Bats are important reservoirs of many viruses, which are capable of infecting the host without inducing obvious clinical diseases. Interferon and the downstream interferon regulated genes (IRGs) are known to act as the first line of defense against viral infections. Little is known about the transcriptional profile of genes being induced by interferon in bats and their role in controlling virus infection. In this study, we constructed IFNAR2 knockout bat cell lines using CRISPR technology and further characterized gene expression profiles induced by the most abundant IFN-α (IFN-α3)...
2017: PloS One
https://www.readbyqxmd.com/read/28791913/examining-sexual-function-among-individuals-with-hiv-in-a-midwestern-us-urban-outpatient-clinic-setting
#18
E Shacham, Julia D López, P Souza, E Turner Overton
The role of sexual function and its impact on HIV management have been inadequately evaluated. A cross-sectional study in 2009 of 202 patients with HIV were recruited to examine sexual function and psychosocial/HIV management factors. Analyses assessed the relationship between sexual function, sociodemographic factors, biomedical markers, and depressive symptomology. The M-Estimator compared differences in the means of the HIV, cancer survivors, and the normative cohorts. More than 75% were on combination antiretroviral therapy, of which 70% had suppressed HIV viral loads...
January 1, 2017: Journal of the International Association of Providers of AIDS Care
https://www.readbyqxmd.com/read/28789851/antibody-persistence-and-evidence-of-immune-memory-at-5years-following-administration-of-the-9-valent-hpv-vaccine
#19
Ana Guevara, Robinson Cabello, Linn Woelber, Edson Duarte Moreira, Elmar Joura, Olaf Reich, Christine Shields, Misoo C Ellison, Amita Joshi, Alain Luxembourg
BACKGROUND: The 9-valent HPV (9vHPV) vaccine was developed to prevent infection and disease related to 9 HPV types (HPV6/11/16/18/31/33/45/52/58) which cause approximately 90% of cervical cancers, HPV-related vulvar, vaginal and anal cancers, and genital warts worldwide. In a pivotal efficacy study, the 9vHPV vaccine prevented infection and disease due to the 9 vaccine types. Duration of protection remains to be determined. Vaccines that induce long-term protection are generally characterized by the generation of immune memory...
August 5, 2017: Vaccine
https://www.readbyqxmd.com/read/28789630/moderate-endurance-training-marathon-training-effects-on-immunologic-and-metabolic-parameters-in-hiv-infected-patients-the-42-km-cologne-project
#20
Stefan Schlabe, Martin Vogel, Christoph Boesecke, Carolynne Schwarze-Zander, Jürgen K Rockstroh, Christian Körner, Klara Brixius, Jan-Christian Wasmuth
BACKGROUND: Improved treatment options of HIV have resulted in regular physical activities of many HIV-infected patients. However, data on effects of sports in HIV-patients are scarce. METHODS: 21 HIV-infected persons were monitored prospectively while preparing for a marathon run. Multiple parameters with regard to immunology, quality of life and metabolism were measured at 4 time points (at baseline 1 year before the marathon run, 3 and 6 months after beginning of training, and immediately before marathon)...
August 8, 2017: BMC Infectious Diseases
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