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https://www.readbyqxmd.com/read/28437708/primary-secondary-and-tertiary-prevention-of-human-papillomavirus-driven-head-and-neck-cancers
#1
REVIEW
Haïtham Mirghani, Alain C Jung, Carole Fakhry
Human papillomavirus (HPV)-driven oropharyngeal cancers (OPCs) represent an increasing proportion of head and neck cancers that could become, in the next few decades, a public health problem in certain western countries. This significant epidemiological change strongly calls for preventive measures. Prophylactic HPV vaccination and screening programmes for early identification and treatment of premalignant lesions are currently being used to reduce the incidence of uterine cervical cancer, which is the paradigm of HPV-driven malignancy...
April 19, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28436378/outcomes-of-corpectomy-in-patients-with-metastatic-cancer
#2
Grzegorz Guzik
BACKGROUND: The objective of surgical management of spinal metastases is to reduce pain and improve the patient's quality of life. The operation should restore spinal stability and decompress neural structures. One surgical technique is corpectomy followed by vertebral body reconstruction and stabilisation of the spine. The procedure may be performed in patients in overall good health and a good survival prognosis. The aim of this paper is to present the outcomes of surgical management of spinal metastases in patients who underwent corpectomy followed by vertebral body reconstruction and stabilisation of the spine...
January 26, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28436097/the-vaginal-microbiome-and-gynaecological-cancer-exercise-caution-when-considering-causation
#3
Neal C Ramchander, Emma J Crosbie
Genital infection with high-risk human papillomavirus (HPV) is extremely common in young, sexually active women, but most infections are transient and clear without ever causing disease. Persistent infection causes premalignant cervical intraepithelial neoplasia (CIN), which, if left untreated, can undergo malignant transformation and become invasive cancer. Cervical cancer is thus considered a late, rare consequence of persistent high-risk HPV infection (Crosbie et al. Lancet 2013; 382:889-99). Factors that influence the acquisition of genital HPV and the rate of its natural clearance are therefore important in the pathogenesis of cervical cancer...
April 24, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28436064/the-changing-landscape-of-cervical-screening-what-does-the-future-hold-for-primary-care
#4
L Marlow, J Waller
The landscape of cervical cancer prevention is changing in many countries thanks to the introduction of vaccination against high-risk types of human papillomavirus (HPV) and the incorporation of HPV DNA testing into cervical screening algorithms. In addition to this, uptake of screening is falling year on year in the UK and elsewhere. These factors present challenges and opportunities for health professionals working in primary care-in terms of communicating programmatic changes to women; responding to questions about the meaning and implications of HPV test results; and delivering interventions to increase screening uptake...
April 23, 2017: European Journal of Cancer Care
https://www.readbyqxmd.com/read/28435785/impact-of-a-brief-intervention-on-cervical-health-literacy-a-waitlist-control-study-with-jailed-women
#5
Megha Ramaswamy, Jaehoon Lee, Joi Wickliffe, Molly Allison, Amanda Emerson, Patricia J Kelly
Jailed women are four-five times more likely to have had cervical cancer compared to women without criminal justice histories. Previous research has shown that an important contributor to cervical cancer risk, and perhaps lack of follow-up, is incarcerated women's low health literacy about broader reproductive health issues. Little work has been done to address this disparity. Thus, the objective of this study was to test the effectiveness of an intervention to improve incarcerated women's cervical health literacy and ultimately address cervical cancer disparities...
June 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/28435071/er-%C3%AE-36-mediates-estrogen-stimulated-mapk-erk-activation-and-regulates-migration-invasion-proliferation-in-cervical-cancer-cells
#6
Qing Sun, Ying Liang, Tianli Zhang, Kun Wang, Xingsheng Yang
OBJECTIVE: Estrogen receptor alpha 36 (ER-α36), a truncated variant of ER-α, is different from other nuclear receptors of the ER-α family. Previous findings indicate that ER-α36 might be involved in cell growth, proliferation, and differentiation in carcinomas and primarily mediates non-genomic estrogen signaling. However, studies on ER-α36 and cervical cancer are rare. This study aimed to detect the expression of ER-α36 in cervical cancer; the role of ER-α36 in 17-β-estradiol (E2)-induced invasion, migration and proliferation of cervical cancer; and their probable molecular mechanisms...
April 20, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28434797/patterns-of-care-survey-radiotherapy-for-women-with-locally-advanced-cervical-cancer
#7
Peter de Boer, Ina M Jürgenliemk-Schulz, Henrike Westerveld, Astrid A C de Leeuw, Raquel Dávila-Fajardo, Coen R N Rasch, Bradley R Pieters, Lukas J A Stalpers
BACKGROUND AND PURPOSE: Regarding latest developments, the need of a radiotherapy 'Patterns of Care' survey was expressed by the Dutch National Platform Radiotherapy for Gynaecological Cancer (LPRGT). Therefore, this study investigated current practice for cervical cancer in all 16 radiation oncology centres in the Netherlands specialised in gynaecological oncology. MATERIAL AND METHODS: A structured 'patterns of care' questionnaire was completed and followed by an in-depth interview with radiation oncologists from all radiotherapy centres specialised in gynaecological oncology...
April 20, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28433806/polymorphism-of-cyp1a1-gene-variants-rs4646903-and-rs1048943-relation-to-the-incidence-of-cervical-cancer-in-chhattisgarh
#8
Vijaylakshmi Jain, Yashwant K Ratre, Dnyanesh Amle, Pankaj K Mishra, Pradeep K Patra
Cytochrome P450 CYP1A1 is a phase 1 xenobiotic metabolizing enzyme involved in the metabolism of toxins, endogenous hormones and pharmaceutical drugs. It is therefore possible that polymorphism of CYP1A1 gene producing functional changes in the enzyme may be susceptible factors in cervical carcinogenesis. This study was aimed to look association of CYP1A1m1 (T>C) and m2 (A>G) gene polymorphisms in Chhattisgarh population. In this case-control study, we analyzed leukocyte DNA from a total of 200 subjects form Chhattisgarh (100 cases and 100 controls)...
April 13, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28433142/enhanced-degradation-of-chitosan-by-applying-plasma-treatment-in-combination-with-oxidizing-agents-for-potential-use-as-an-anticancer-agent
#9
Chayanaphat Chokradjaroen, Ratana Rujiravanit, Anyarat Watthanaphanit, Sewan Theeramunkong, Nagahiro Saito, Kazuko Yamashita, Ryuichi Arakawa
Solution plasma (SP) treatment in combination with oxidizing agents, i.e., hydrogen peroxide (H2O2), potassium persulfate (K2S2O8) and sodium nitrite (NaNO2) were adopted to chitosan degradation in order to achieve fast degradation rate, low chemicals used and high yield of low-molecular-weight chitosan and chitooligosaccharide (COS). Among the studied oxidizing agents, H2O2 was found to be the best choice in terms of appreciable molecular weight reduction without major change in chemical structure of the degraded products of chitosan...
July 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28432065/adoptive-t-cell-transfer-targets-viral-and-nonviral-tumor-antigens
#10
(no author information available yet)
Successful T-cell therapy targets nonviral tumor antigens in patients with HPV(+) cervical cancer.
April 21, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28432016/inkjet-printing-of-antiviral-pcl-nanoparticles-and-anticancer-cyclodextrin-inclusion-complexes-on-bioadhesive-film-for-cervical-administration
#11
Cem Varan, Henrika Wickström, Niklas Sandler, Yeşim Aktaş, Erem Bilensoy
Personalized medicine is an important treatment approach for diseases like cancer with high intrasubject variability. In this framework, printing is one of the most promising methods since it permits dose and geometry adjustment of the final product. With this study, a combination product consisting of anticancer (paclitaxel) and antiviral (cidofovir) drugs was manufactured by inkjet printing onto adhesive film for local treatment of cervical cancers as a result of HPV infection. Furthermore, solubility problem of paclitaxel was overcome by maintaining this poorly soluble drug in a cyclodextrin inclusion complex and release of cidofovir was controlled by encapsulation in polycaprolactone nanoparticles...
April 18, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28431881/design-and-synthesis-of-1-2-3-triazolo-phenanthrene-hybrids-as-cytotoxic-agents
#12
Niggula Praveen Kumar, Shalini Nekkanti, S Sujana Kumari, Pankaj Sharma, Nagula Shankaraiah
A series of new 1,2,3-triazolo-phenanthrene hybrids has been synthesized by employing Cu(I)-catalyzed azide-alkyne cycloaddition (CuAAC) reaction. These compounds were evaluated for their in vitro cytotoxic potential against various human cancer cell lines viz. lung (A549), prostate (PC-3 and DU145), gastric (HGC-27), cervical (HeLa), triple negative breast (MDA-MB-231, MDA-MB-453) and breast (BT-549, 4T1) cells. Among the tested compounds, 7d displayed highest cytotoxicity against DU145 cells with IC50 value of 1...
April 7, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28431571/unique-lcr-variations-among-lineages-of-hpv16-18-and-45-isolates-from-women-with-normal-cervical-cytology-in-ghana
#13
Adolf K Awua, Richard M K Adanu, Edwin K Wiredu, Edwin A Afari, Vanessa A Zubuch, Richard H Asmah, Alberto Severini
BACKGROUND: In addition to being useful for classification, sequence variations of human Papillomavirus (HPV) genotypes have been implicated in differential oncogenic potential and a differential association with the different histological forms of invasive cervical cancer. These associations have also been indicated for HPV genotype lineages and sub-lineages. In order to better understand the potential implications of lineage variation in the occurrence of cervical cancers in Ghana, we studied the lineages of the three most prevalent HPV genotypes among women with normal cytology as baseline to further studies...
April 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/28431558/epidemiology-and-genotype-distribution-of-human-papillomavirus-hpv-in-southwest-china-a-cross-sectional-five-years-study-in-non-vaccinated-women
#14
Yishu Tang, Lan Zheng, Shuangshuang Yang, Bing Li, Huiting Su, Li-Ping Zhang
BACKGROUND: Large-size data on type-specific HPV prevalence in Southwest China are required to estimate the cervical cancer burden in the country and to prepare for HPV-based cervical screening program and further HPV vaccination of China. This HPV study is a pooled analysis of data from five years in Chongqing of China, which is cross-sectional in design using data collecting. RESULTS: The positivity of HPV was 26.2% (10542/40311), single type was 25.7% (10360/40311), multiple type was 8...
April 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/28431327/dendrimer-conjugated-iron-oxide-nanoparticles-as-stimuli-responsive-drug-carriers-for-thermally-activated-chemotherapy-of-cancer
#15
Saumya Nigam, Dhirendra Bahadur
In recent years, functional nanomaterials have found an appreciable place in the understanding and treatment of cancer. This work demonstrates the fabrication and characterization of a new class of cationic, biocompatible, peptide dendrimers, which were then used for stabilizing and functionalizing magnetite nanoparticles for combinatorial therapy of cancer. The synthesized peptide dendrimers have an edge over the widely used PAMAM dendrimers due to better biocompatibility and negligible cytotoxicity of their degradation products...
April 13, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28431271/investigation-of-pathology-malpractice-claims-in-china-from-2002-2015
#16
Yuan Li, Dong Gao, Meng Tu, Ying-Zhen Luo, Zhen-Hua Deng
OBJECTIVE: To examine pathology-related medical claims in China and identify the most common errors to result in such claims. METHOD: A retrospective analysis was performed of 71 forensic evaluation reports carried out in two Chinese institutes of forensic medicine between 2002 and 2015 due to suspicion of medical malpractice. The judicial outcomes of each case were also reviewed when available. RESULTS: Of 71 cases, 54 cases had judicial outcomes...
April 15, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28430988/prognostic-significance-of-surgical-extranodal-extension-in-head-and-neck-squamous-cell-carcinoma-patients
#17
Fumihiko Matsumoto, Taisuke Mori, Satoko Matsumura, Yoshifumi Matsumoto, Masahiko Fukasawa, Masanori Teshima, Kenya Kobayashi, Seiichi Yoshimoto
Background: Lymph node metastasis with extranodal extension represents one of the most important adverse prognostic factors for survival in patients with head and neck squamous cell carcinoma. We propose that extranodal extension occurs to differing extents. The aim of this study was to determine the prognostic significance of extranodal extension in patients with head and neck squamous cell carcinoma. Methods: Two hundred and ninety-eight patients with head and neck squamous cell carcinoma who underwent surgical resection and neck dissection were included...
April 18, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28430635/unsuccessful-mitosis-in-multicellular-tumour-spheroids
#18
Annie Molla, Morgane Couvet, Jean-Luc Coll
Multicellular spheroids are very attractive models in oncology because they mimic the 3D organization of the tumour cells with their microenvironment. We show here using 3 different cell types (mammary TSA/pc, embryonic kidney Hek293 and cervical cancer HeLa), that when the cells are growing as spheroids the frequency of binucleated cells is augmented as occurs in some human tumours.We therefore describe mitosis in multicellular spheroids by following mitotic markers and by time-lapse experiments. Chromosomes alignment appears to be correct on the metaphasic plate and the passenger complex is well localized on centromere...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430599/tak1-inhibitor-5z-7-oxozeaenol-sensitizes-cervical-cancer-to-doxorubicin-induced-apoptosis
#19
Shan Guan, Jiaxiong Lu, Yanling Zhao, Sarah E Woodfield, Huiyuan Zhang, Xin Xu, Yang Yu, Jing Zhao, Shayahati Bieerkehazhi, Haoqian Liang, Jianhua Yang, Fuchun Zhang, Surong Sun
Aberrant activation of nuclear factor-κB (NF-κB) allows cancer cells to escape chemotherapy-induced cell death and acts as one of the major mechanisms of acquired chemoresistance in cervical cancer. TAK1, a crucial mediator that upregulates NF-κB activation in response to cellular genotoxic stress, is required for tumor cell viability and survival. Herein, we examined whether TAK1 inhibition is a potential therapeutic strategy for treating cervical cancer. We found that TAK1 inhibitor 5Z-7-oxozeaenol significantly augmented the cytotoxic effects of Dox in a panel of cervical cancer cell lines...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430590/treatment-of-esophageal-cancer-with-radiation-therapy-a-pan-chinese-survey-of-radiation-oncologists
#20
Yun Zhang, Jing Liu, Wencheng Zhang, Weiye Deng, Jinbo Yue
Lots of controversies were found about the treatment in relation to radiation therapy (RT) for esophageal squamous cell carcinoma (ESCC). We designed a questionnaire of these controversies to do a pan-Chinese survey of radiation oncologists (ROs). For operable ESCC, 53% ROs chose surgery plus postoperative chemoradiotherapy (CRT), while 40% chose preoperative CRT plus surgery. For target volume of postoperative RT, most ROs (92%) would delineate tumor bed plus involved lymph nodes region before surgery. For definitive RT, most ROs (81%) would give patients higher RT dose to 60-65Gy...
April 5, 2017: Oncotarget
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