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https://www.readbyqxmd.com/read/28448799/isolation-of-antioxidant-phenolics-from-schinopsis-brasiliensis-based-on-a-preliminary-lc-ms-profiling
#1
Clisiane Carla de Souza Santos, Milena Masullo, Antonietta Cerulli, Angela Mari, Charles Dos Santos Estevam, Cosimo Pizza, Sonia Piacente
The phenolic content of the ethanol extract of the stem bark of the Brazilian plant Schinopsis brasiliensis Engl. (Anacardiaceae) has been evaluated together with the antioxidant activity. The good antioxidant activity exhibited in the Trolox Equivalent Antioxidant Capacity (TEAC) assay (TEAC value = 3.04 mg/mL) encouraged us to investigate its constituents. An analytical approach based on LC-ESIMS(n) was applied to rapidly obtain a metabolite profile of the ethanol extract of the stem bark of S. brasiliensis...
April 24, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28447564/pretreatment-late-phase-dce-mri-predicts-outcome-in-locally-advanced-cervix-cancer
#2
Kjersti V Lund, Trude G Simonsen, Gunnar B Kristensen, Einar K Rofstad
BACKGROUND: Dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) may provide prognostic biomarkers for cervix carcinoma. We have shown previously that the early phase of the signal intensity-versus-time curve (SITC) may have significant prognostic power. The purpose of the present investigation was to explore the prognostic value of the late phase of the SITC. MATERIAL AND METHODS: DCE-MRI data of 80 patients (FIGO stage IB-IVA) treated with concurrent chemoradiotherapy were examined...
May 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28447562/dosimetric-advantages-of-a-clinical-daily-adaptive-plan-selection-strategy-compared-with-a-non-adaptive-strategy-in-cervical-cancer-radiation-therapy
#3
Agustinus J A J van de Schoot, Peter de Boer, Jorrit Visser, Lukas J A Stalpers, Coen R N Rasch, Arjan Bel
BACKGROUND: Radiation therapy (RT) using a daily plan selection adaptive strategy can be applied to account for interfraction organ motion while limiting organ at risk dose. The aim of this study was to quantify the dosimetric consequences of daily plan selection compared with non-adaptive RT in cervical cancer. MATERIAL AND METHODS: Ten consecutive patients who received pelvic irradiation, planning CTs (full and empty bladder), weekly post-fraction CTs and pre-fraction CBCTs were included...
May 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28443473/proteomic-identification-of-potential-biomarkers-for-cervical-squamous-cell-carcinoma-and-human-papillomavirus-infection
#4
Song Qing, Wuniqiemu Tulake, Mingfang Ru, Xiaohong Li, Reziwanguli Yuemaier, Dilare Lidifu, Aierken Rouzibilali, Axiangu Hasimu, Yun Yang, Reziya Rouziahong, Halmurat Upur, Abulizi Abudula
It is known that high-risk human papillomavirus infection is the main etiological factor in cervical carcinogenesis. However, human papillomavirus screening is not sufficient for early diagnosis. In this study, we aimed to identify potential biomarkers common to cervical carcinoma and human papillomavirus infection by proteomics for human papillomavirus-based early diagnosis and prognosis. To this end, we collected 76 cases of fresh cervical tissues and 116 cases of paraffin-embedded tissue slices, diagnosed as cervical squamous cell carcinoma, cervical intraepithelial neoplasia II-III, or normal cervix from ethnic Uighur and Han women...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28440976/diagnostic-value-of-the-caretm-hpv-test-in-screening-for-cervical-intraepithelial-neoplasia-grade-2-or-worse
#5
Mojgan Karimi Zarchi, Effat Heydari, Afsarolsadat Tabatabaie, Mansour Moghimi, Wesam Kooti
Background: Cervical cancer is the fourth leading cause of cancer death in women worldwide. Persistent infection with a high risk human papillomavirus (HR-HPV) is the main etiological factor, so that early early detection of HR-HPV is very important. The aim of this study was to investigate the efficacy of CareTM HPV, a new method, as compared with Pap smear, PCR, and biopsy for screening purposes. Material and Method: In this cross-sectional study, 200 sexually active women aging from 25-50 years referred to the oncology clinic of Shahid Sodoughi Yazd Hospital in 2015 with a variety of cervix epithelial lesions or a need for colposcopy were enrolled...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28438378/genotyping-of-the-human-papilloma-virus-in-a-group-of-mexican-women-treated-in-a-highly-specialist-hospital-multiple-infections-and-their-potential-transcendence-in-the-current-vaccination-programme
#6
Pablo Romero-Morelos, Arizbett Uribe-Jiménez, Cindy Bandala, Albros Poot-Vélez, Nora Ornelas-Corral, Miriam Rodríguez-Esquivel, Mariana Valdespino-Zavala, Keiko Taniguchi, Daniel Marrero-Rodríguez, Ricardo López-Romero, Mauricio Salcedo
BACKGROUND AND OBJETIVE: Human papilloma virus (HPV) is one of the main risk factors associated with the development of cervical cancer and its precursor lesions. It has been reported that HPV16 and 18 types cover approximately 70% of cervical cancer worldwide; however, significant variation in percentages of HPV infections could be related to specific populations. MATERIALS AND METHODS: Purified DNA of 67 cervical samples were analyzed by Linear Array® HPV genotyping kit...
April 21, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28437239/tprevalence-of-hpv-in-adults-aged-18-69-united-states-2011-2014
#7
Geraldine McQuillan, Deanna Kruszon-Moran, Lauri E Markowitz, Elizabeth R Unger, Ryne Paulose-Ram
Data from the National Health and Nutrition Examination Survey ● During 2011-2014, prevalence of any oral human papillomavirus (HPV) for adults aged 18-69 was 7.3%; high-risk HPV was 4.0%. ● Overall, prevalence of any and high-risk oral HPV was lowest among non-Hispanic Asian adults; any oral HPV was highest among non-Hispanic black adults. ● Prevalence of any and high-risk oral HPV was higher in men than women except for high-risk HPV among Asian adults. ● During 2013-2014, prevalence of any and high-risk genital HPV for adults aged 18-59 was 45...
April 2017: NCHS Data Brief
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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