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https://www.readbyqxmd.com/read/28433833/in-vitro-antitumor-activity-metal-uptake-and-reactivity-with-ascorbic-acid-and-bsa-of-some-gold-iii-complexes-with-n-n-ethylenediamine-bidentate-ester-ligands
#1
Nebojša Pantelić, Bojana B Zmejkovski, Branka Kolundžija, Marija Đorđić Crnogorac, Jelena M Vujić, Biljana Dojčinović, Srećko R Trifunović, Tatjana P Stanojković, Tibor J Sabo, Goran N Kaluđerović
Four novel gold(III) complexes of general formulae [AuCl2{(S,S)-R2eddl}]PF6 (R2eddl=O,O'-dialkyl-(S,S)-ethylenediamine-N,N'-di-2-(4-methyl)pentanoate, R=n-Pr, n-Bu, n-Pe, i-Bu; 1-4, respectively), were synthesized and characterized by elemental analysis, UV/Vis, IR, and NMR spectroscopy, as well as high resolution mass spectrometry. Density functional theory calculations pointed out that (R,R)-N,N'-configuration diastereoisomers were energetically the most favorable. Duo to high cytotoxic activity complex 3 was chosen for stability study in DMSO, no decomposition occurs within 24h, and for the reaction with ascorbic acid in which was reduced immediately...
April 4, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28424832/setting-up-a-community-based-cervical-screening-service-in-a-low-income-country-a-pilot-study-from-north-western-tanzania
#2
Nestory Masalu, Patrizia Serra, Dino Amadori, Jackson Kahima, Charles Majinge, Joyce Rwehabura, Oriana Nanni, Sara Bravaccini, Maurizio Puccetti, Rosario Tumino, Lauro Bucchi
OBJECTIVES: To report the results of a pilot study for a service for cervical cancer screening and diagnosis in north-western Tanzania. METHODS: The pilot study was launched in 2012 after a community-level information campaign. Women aged 15-64 years were encouraged to attend the district health centres. Attendees were offered a conventional Pap smear and a visual inspection of the cervix with acetic acid (VIA). RESULTS: The first 2500 women were evaluated...
April 19, 2017: International Journal of Public Health
https://www.readbyqxmd.com/read/28421163/phase-i-trial-of-triapine-cisplatin-paclitaxel-chemotherapy-for-advanced-stage-or-metastatic-solid-tumor-cancers
#3
Charles A Kunos, Edward Chu, Della Makower, Andreas Kaubisch, Mario Sznol, Susan Percy Ivy
Ribonucleotide reductase (RNR) is an enzyme involved in the de novo synthesis of deoxyribonucleotides, which are critical for DNA replication and DNA repair. Triapine is a small-molecule RNR inhibitor. A phase I trial studied the safety of triapine in combination with cisplatin-paclitaxel in patients with advanced stage or metastatic solid tumor cancers in an effort to capitalize on disrupted DNA damage repair. A total of 13 patients with various previously treated cancers were given a 96-h continuous intravenous (i...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28417936/oncolytic-alphaviruses-in-cancer-immunotherapy
#4
REVIEW
Kenneth Lundstrom
Oncolytic viruses show specific targeting and killing of tumor cells and therefore provide attractive assets for cancer immunotherapy. In parallel to oncolytic viral vectors based on adenoviruses and herpes simplex viruses, oncolytic RNA viruses and particularly alphaviruses have been evaluated as delivery vehicles. Immunization studies in experimental rodent models for various cancers including glioblastoma, hematologic, hepatocellular, colon, cervix, and lung cancer as well as melanoma have been conducted with naturally occurring oncolytic alphavirus strains such as M1 and Sindbis AR339...
April 12, 2017: Vaccines
https://www.readbyqxmd.com/read/28415413/development-and-characterization-of-the-cisplatin-loaded-nanofibers-for-the-treatment-of-cervical-cancer
#5
Urvashi Aggarwal, Amit Kumar Goyal, Goutam Rath
A small scale study was carried out to investigate the therapeutic efficacy cisplatin loaded poly-caprolactone/chitosan composite electrospun nanofibers for local chemotherapy of cervical cancers in mice. The prepared nanofibers had shown the sustained release pattern up to one month. Prepared nanofibers were found to have greater mucoadhesive strength. An orthotopic cervical cancer model was established by inducing the EAC cell lines in the vaginal mucosa at cervix region of the mice. Intravaginal administration of the cisplatin loaded nanofibers showed lesser % cell viability as compared to the plain drug...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28411962/epidemiology-and-pathophysiology-of-malignancy-in-common-variable-immunodeficiency
#6
REVIEW
A Tak Manesh, G Azizi, A Heydari, F Kiaee, M Shaghaghi, N Hossein-Khannazer, R Yazdani, H Abolhassani, A Aghamohammadi
Common variable immunodeficiency (CVID) is a diagnostic category of primary immunodeficiency (PID) which may present with heterogeneous disorders including recurrent infections, autoimmunity, granulomatous diseases, lymphoid and other types of malignancies. Generally, the incidence of malignancy in CVID patients is around 1.5-20.7% and usually occurs during the 4th-6th decade of life. Non-Hodgkin lymphoma is the most frequent malignancy, followed by epithelial tumours of stomach, breast, bladder and cervix...
April 12, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28409676/analysis-of-risk-factors-for-persistent-infection-of-asymptomatic-women-with-high-risk-human-papilloma-virus
#7
Nianmin Shi, Qiang Lu, Jiao Zhang, Li Li, Junnan Zhang, Fanglei Zhang, Yanhong Dong, Xinyue Zhang, Zheng Zhang
OBJECTIVE: This study aims to prevent persistent infection, reduce the incidence of cervical cancer, and improve women's health by understanding the theoretical basis of the risk factors for continuous infection of asymptomatic women with high-risk human papilloma virus (HPV) strains via information collected, which includes the persistent infection rate and the most prevalent HPV strain types of high risk to asymptomatic women in the high-risk area of cervical cancer in Linfen, Shanxi Province...
April 14, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28405685/sirna-mediated-inhibition-of-endogenous-brain%C3%A2-derived-neurotrophic-factor-gene-modulates-the-biological-behavior-of-hela-cells
#8
Chun-Yan Sun, Zhang-Bo Chu, Jing Huang, Lei Chen, Jian Xu, Ao-Shuang Xu, Jun-Ying Li, Yu Hu
Brain-derived neurotrophic factor (BDNF) is expressed in a number of neural and non-neuronal tumors. The present study investigated the effect of endogenous BDNF on the biological behavior of cervix cancer cells using small interfering RNA (siRNA). HeLa, a cervix cancer cell line with high expression of BDNF, was used as a living model to screen out the effective sequences of short hairpin RNA of the BDNF gene, and the effects of RNA interference on proliferation, apoptosis, migration and invasion of these cells were evaluated...
May 2017: Oncology Reports
https://www.readbyqxmd.com/read/28404551/endocervical-gastric-type-adenocarcinoma-an-unrelated-hpv-tumour-difficulties-in-screening-and-diagnosis
#9
Priscila Carneiro Lima, Julio Teixeira, Guilherme Nogueira Aires, Liliana De Angelo Andrade
Gastric-type adenocarcinoma of the cervix (GAS) is an uncommon and aggressive tumour unrelated to human papillomavirus (HPV) infection with distinctive histological and immunohistochemical characteristics. GAS may be associated with lobular endocervical glandular hyperplasia (LEGH), another unusual lesion. We report a case of a 59-year-old woman with screening cytology 'AGC-Neo' and cervical conisation exhibiting cervical intraepithelial neoplasia grade 1, extensive LEGH and canal sampling with abundant mucinous cells...
April 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28400857/estimation-of-the-overall-burden-of-cancers-precancerous-lesions-and-genital-warts-attributable-to-9-valent-hpv-vaccine-types-in-women-and-men-in-europe
#10
Susanne Hartwig, Jean Lacau St Guily, Géraldine Dominiak-Felden, Laia Alemany, Silvia de Sanjosé
BACKGROUND: In addition to cervical cancer, human papillomavirus (HPV) is responsible for a significant proportion of cancers and precancerous lesions of the vulva, vagina, anus, penis, head and neck, as well as genital warts. We estimated the annual number of new cases of these diseases attributable to 9-valent HPV vaccine types in women and men in Europe. METHODS: The annual number of new cancers of the cervix, vulva, vagina, anus, penis, and selected head and neck sites in the population of the European Medicines Agency territory was estimated based on age-specific incidence rates extracted from Cancer Incidence in 5 Continents, Volume X and Eurostat population data for 2015...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28399693/pembrolizumab-in-recurrent-advanced-cervical-squamous-carcinoma
#11
Pablo Martínez, Josep María Del Campo
No definitive cure is known for recurrent, persistent or metastatic cervical carcinoma. Chemotherapy remains the standard of care, although available options are scarce and do not provide satisfactory results. Immune checkpoint inhibitors have shown a strong and prolonged response in several types of cancer, although only in a subset of patients. Defining the profile of the patients likely to benefit from such treatment is a subject of active research. Here, we present a case of a heavily pretreated patient with recurrent advanced squamous cell carcinoma of the cervix who had exhausted all available treatment options and showed a striking response to the immune checkpoint inhibitor pembrolizumab...
April 12, 2017: Immunotherapy
https://www.readbyqxmd.com/read/28397203/comparison-of-the-diagnostic-value-of-cervical-cytology-and-hpv-hr-dna-testing-for-the-diagnosis-of-low-grade-and-high-grade-squamous-intraepithelial-lesions-across-different-age-groups
#12
Aleksandra Paluszkiewicz, Dominik Pruski, Kinga Iwaniec, Witold Kędzia
OBJECTIVES: To assess the diagnostic value of cervical cytology and HPV HR DNA testing for the diagnosis of low grade and high-grade squamous intraepithelial lesions across different age groups. MATERIAL AND METHODS: The study included 1103 patients, age 25-70 years. All patients underwent in-depth diagnostic tests following either an abnormal Pap test result or a clinically suspicious cervical lesion. In all women the following examinations were performed: a molecular test detecting 14 high-risk types of HPV, a colposcopy examination, as well as directed-biopsy of the cervix...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28391626/urinary-hpv-testing-may-offer-hope-for-cervical-screening-non-attenders
#13
Dominic A Blake, Emma J Crosbie, Sarah Kitson
Despite the success of cervical screening, cancer of the cervix is the fourth most common cancer affecting women worldwide (CRUK 2014). Rates are particularly high in developing nations, which lack the requisite infrastructure for cytology and colposcopy-based screening, and in certain demographic groups, where uptake of screening is poor. Recent research has focussed on developing less invasive and potentially more acceptable means of identifying women at high risk of cervical intraepithelial neoplasia (CIN)...
April 9, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28381193/gene-promoter-methylation-and-protein-expression-of-brms1-in-uterine-cervix-in-relation-to-high-risk-human-papilloma-virus-infection-and-cancer
#14
Maria Panagopoulou, Maria Lambropoulou, Ioanna Balgkouranidou, Evangelia Nena, Makrina Karaglani, Christina Nicolaidou, Anthi Asimaki, Theocharis Konstantinidis, Theodoros C Constantinidis, George Kolios, Stylianos Kakolyris, Theodoros Agorastos, Ekaterini Chatzaki
Cervical cancer is strongly related to certain high-risk types of human papilloma virus infection. Breast cancer metastasis suppressor 1 (BRMS1) is a tumor suppressor gene, its expression being regulated by DNA promoter methylation in several types of cancers. This study aims to evaluate the methylation status of BRMS1 promoter in relation to high-risk types of human papilloma virus infection and the development of pre-cancerous lesions and describe the pattern of BRMS1 protein expression in normal, high-risk types of human papilloma virus-infected pre-cancerous and malignant cervical epithelium...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28378614/association-of-fibroblast-growth-factor-receptor-4-genetic-polymorphisms-with-the-development-of-uterine-cervical-cancer-and-patient-prognosis
#15
Tze-Ho Chen, Shun-Fa Yang, Yu-Fan Liu, Wea-Lung Lin, Chih-Ping Han, Po-Hui Wang
This is the first study to investigate the relationships among fibroblast growth factor receptor 4 (FGFR4) genetic polymorphisms, development of uterine cervical cancer, clinicopathological variables, and patient prognosis in Taiwanese women. Real-time polymerase chain reaction and genotyping were used to detect the genotype frequencies of 4 FGFR4 single-nucleotide polymorphisms (SNPs), rs351855 (C/T, Gly388Arg), rs2011077 (G/A), rs7708357 (G/A), and rs1966265 (Ile10Val), in 138 patients with invasive cancer, 89 with precancerous lesions of uterine cervix, and 335 normal controls...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28377417/cervical-infection-with-cutaneous-beta-and-mucosal-alpha-papillomaviruses
#16
Laura Sichero, Mariam El-Zein, Emily M Nunes, Silvaneide Ferreira, Eduardo L Franco, Luisa L Villa
BACKGROUND: Alpha-human papillomavirus (α-HPV) play a causal role in cervical cancer but little is known about the epidemiology of genital Beta-HPV infection. METHODS: We used Luminex and polymerase chain reaction (PCR) hybridization to detect β- and α-HPVs prevalence at enrolment and 12-months follow-up in cervical samples from 505 women enrolled in the Ludwig-McGill cohort study. We compared epidemiological correlates of both β- and α-HPVs and compared genotypes between these genera with respect to co-occurrence and association with cervical cytological abnormalities...
April 4, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28371407/biocatalytic-virus-capsid-as-nanovehicle-for-enzymatic-activation-of-tamoxifen-in-tumor-cells
#17
Alejandro Tapia-Moreno, Karla Juarez-Moreno, Oscar Gonzalez-Davis, Ruben D Cadena-Nava, Rafael Vazquez-Duhalt
Most of the drugs used in chemotherapy should be activated by a transformation catalyzed by cytochrome P450 (CYP) enzymes. In this work, bacteriophage P22 virus-like particles (VLPs) containing CYP activity, immunologically inert and functionalized in order to be recognized by human cervix carcinoma cells and human breast adenocarcinoma cells were designed. The CYP was encapsulated inside the virus capsid obtained from the bacteriophage P22. CYP and coat protein were both heterologously expressed in E. coli...
April 3, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28369882/worldwide-burden-of-cancer-attributable-to-hpv-by-site-country-and-hpv-type
#18
Catherine de Martel, Martyn Plummer, Jerome Vignat, Silvia Franceschi
HPV is the cause of almost all cervical cancer and is responsible for a substantial fraction of other anogenital cancer and oropharyngeal cancer. Understanding the HPV-attributable cancer burden can boost programs of HPV vaccination and HPV-based cervical screening. Attributable fractions (AF) and the relative contributions of different HPV types were derived from published studies reporting on the prevalence of transforming HPV infection in cancer tissue. Maps of age-standardized incidence rates of HPV-attributable cancers by country from GLOBOCAN 2012 data are shown separately for the cervix, other anogenital tract, and head and neck cancers...
April 1, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28369751/comparison-of-cancer-stage-distribution-in-the-immigrant-and-host-populations-of-norway-1990-2014
#19
Håvard Thøgersen, Bjørn Møller, Trude Eid Robsahm, Stein Aaserud, Ronnie Babigumira, Inger Kristin Larsen
Cancer stage at diagnosis is the most important prognostic factor for survival. We conducted a nationwide, population-based cohort study to investigate cancer stage distribution in immigrants compared to the host population of Norway. All patients recorded in the Cancer Registry of Norway in 1990-2014 were included (17 709 immigrants and 431 936 Norwegians). Individual level sociodemographic data was obtained from Statistics Norway. Ordered logistic regression was used to estimate if immigrants were diagnosed with cancer at a more advanced stage than Norwegians...
March 29, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28365229/the-role-of-interleukin-10-in-human-papilloma-virus-infection-and-progression-to-cervical-carcinoma
#20
REVIEW
Fernanda Costa Brandão Berti, Ana Paula Lombardi Pereira, Guilherme Cesar Martelossi Cebinelli, Kleber Paiva Trugilo, Karen Brajão de Oliveira
Although Human Papillomavirus (HPV) exerts a vital influence on cervical carcinogenesis, other factors influence the development of a squamous intraepithelial lesion (SIL) that may or not progress to cervical cancer. Among several cytokines, Interleukin 10 (IL-10) stands out as an important anti-inflammatory factor, leading to immune system evasion through an immunosuppressive state. In the cervical microenvironment, during different stages of HPV infection, IL-10 production can be induced and maintained by different cell sources, including infected keratinocytes, some subsets of dendritic cells (DC), tumor associated macrophages (TAM), T regulatory cells (Treg) and tumor cells...
March 23, 2017: Cytokine & Growth Factor Reviews
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