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https://www.readbyqxmd.com/read/28727556/effective-screening-and-classification-of-cervical-precancer-biopsy-imagery
#1
Jaidip Jagtap, Nishigandha Patil, Abdul K Parchur, Chayanika Pantola, Asha Agarwal, Kiran Pandey, Asima Pradhan
Microscope images of biopsy samples of cervical precancers conventionally discriminated by histopathology, the current "gold standard" for cancer detection, showed that their correlation properties are segregated into different classes. The correlation domains clearly indicate increasing cellular clustering in different grades of precancer compared to their normal counterparts. This trend indicates the probability of pixel distribution of the corresponding tissue images. Because the cell density is not uniform in the higher grades, the skewness (asymmetry of a distribution), kurtosis (sharpness of a distribution), entropy (randomness), and standard deviation are affected...
July 18, 2017: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/28727298/nine-patients-with-chronic-granulomatous-disease-having-selective-neck-dissection-for-severe-cervical-lymphadenitis
#2
Laura R Wingfield, Jack Liu, Michael Hu, David Bianchi, Kenneth Hauck, Brian Driscoll, John I Gallin, Harry L Malech, Steven M Holland, Carter Van Waes
Chronic Granulomatous Disease (CGD) is a rare, inherited disorder due to an X-linked or autosomal genetic defect, in which patients experience a high rate of lymphadenitis. To date, no studies have examined the best treatment for severe lymphadenitis in this patient population. We present a nine CGD patient retrospective case series, examining surgical treatment of cervical lymphadenitis. Our evolving surgical strategy shows that an initially more aggressive surgical approach (selective neck dissection) can help prevent recurrent infection...
July 20, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28726120/magnetic-resonance-imaging-for-detection-of-parametrial-invasion-in-cervical-cancer-an-updated-systematic-review-and-meta-analysis-of-the-literature-between-2012-and-2016
#3
Sungmin Woo, Chong Hyun Suh, Sang Youn Kim, Jeong Yeon Cho, Seung Hyup Kim
OBJECTIVE: To review the diagnostic performance of MRI for detection of parametrial invasion (PMI) in cervical cancer patients. METHODS: MEDLINE and EMBASE databases were searched for studies providing diagnostic performance of MRI for detecting PMI in patients with cervical cancer. Studies published between 2012 and 2016 using surgico-pathological results as reference standard were included. Study quality was evaluated using QUADAS-2. Sensitivity and specificity of all studies were calculated...
July 19, 2017: European Radiology
https://www.readbyqxmd.com/read/28726109/the-study-of-immunogenicity-of-the-antigenic-protein-of-high-risk-oncogenic-type-of-the-human-papillomavirus-hpv16-l1-produced-in-the-plant-expression-system-on-the-base-of-transgenic-tomato
#4
R K Salyaev, N I Rekoslavskaya, A S Stolbikov, A V Tretyakova
The immunogenicity of plant-made peroral vaccine against cervical cancer was studied in mice during 342 days after vaccination with the material of tomato fruits genetically transformed with HPV16 L1 Ώ 5'UTR TMV. The immune response was found on day 4 after vaccination in blood serum of vaccinated mice. On days 90-100, the rise to maximum value of the level of antibodies to HPV16 L1 was in the range of 500 ng of the standard antibodies to HPV16 L1 (Santa Cruz Biotechnology, United States). This level of antibodies was retained until the end of the study...
May 2017: Doklady. Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28725677/a-population-based-study-of-cervical-cytology-findings-and-human-papillomavirus-infection-in-a-suburban-area-of-thailand
#5
Natacha Phoolcharoen, Nuttavut Kantathavorn, Thaniya Sricharunrat, Siriporn Saeloo, Waraphorn Krongthong
Despite the high incidence of cervical cancer in Thailand, large population-based studies on cervical cytology and HPV prevalence and genotype distribution are rare. This study aimed to determine cervical cytology results and the prevalence and distribution of HPV among Thai females in Bangkhayaeng subdistrict, Pathumthani province, Thailand. Of 4681 female inhabitants, aged 20-70 years, 1523 women finally participated in the study. Cervical samples using liquid-based cytology were collected during February-August 2013 and analyzed for HPV genotype by the LINEAR ARRAY® HPV Genotyping Test (Roche, USA)...
August 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28725676/challenges-to-cervical-cancer-treatment-in-bangladesh-the-development-of-a-women-s-cancer-ward-at-dhaka-medical-college-hospital
#6
REVIEW
N Haque, A F M K Uddin, B R Dey, F Islam, A Goodman
Cervical cancer is the second most common cause of female cancer mortality worldwide. Concurrent chemoradiotherapy represents the standard of care for patients with stages IB2 to IVa cervical cancer. Unfortunately radiation therapy capacity is severely limited to non-existent in many Low and Middle-Income Countries. One solution has been to use chemotherapy to reduce tumor size to allow for radical surgery or in the case of inoperable cancers, as a placeholder until radiation is available. In Bangladesh, there has been the progressive development of resources for the treatment of women with gynecologic cancers...
August 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28725449/therapeutic-options-for-treatment-of-human-papillomavirus-associated-cancers-novel-immunologic-vaccines-adxs11-001
#7
REVIEW
Brett Miles, Howard P Safran, Bradley J Monk
Survival of patients with advanced, recurrent, or metastatic human papillomavirus (HPV)-associated cancer is suboptimal despite the availability of various treatment modalities. The recently developed bacterial vector Listeria monocytogenes (Lm) activates innate and adaptive immune responses and is expected to offer immunologic advantages. Axalimogene filolisbac (AXAL or ADXS11-001) is a novel immunotherapeutic based on the live, irreversibly attenuated Lm fused to the nonhemolytic fragment of listeriolysin O (Lm-LLO) and secretes the Lm-LLO-HPV E7 fusion protein targeting HPV-positive tumors...
2017: Gynecologic Oncology Research and Practice
https://www.readbyqxmd.com/read/28725433/macrophage-type-2-differentiation-in-a-patient-with-laryngeal-squamous-cell-carcinoma-and-metastatic-prostate-adenocarcinoma-to-the-cervical-lymph-nodes
#8
Michael C Topf, Madalina Tuluc, Larry A Harshyne, Adam Luginbuhl
BACKGROUND: The tumor microenvironment often polarizes infiltrating macrophages towards a type 2, or M2 phenotype, that is characterized by expression of various cysteine-rich, scavenger receptors, including CD163. The primary function of M2 macrophages is to facilitate wound healing. As such, they are capable of providing metabolic support to a growing tumor, neovascularization, as well as protection from cytotoxic T cells. The tumor microenvironment contains a milieu of secreted factors and vesicles, which in certain circumstances can gain access to lymphatic vessels that drain to local lymph nodes...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28725253/computed-tomography-based-treatment-planning-for-high-dose-rate-brachytherapy-using-the-tandem-and-ring-applicator-influence-of-applicator-choice-on-organ-dose-and-inter-fraction-adaptive-planning
#9
REVIEW
Vishruta A Dumane, Yading Yuan, Ren-Dih Sheu, Vishal Gupta
Three dimensional planning for high-dose-rate (HDR) brachytherapy in cervical cancer has been highly recommended by consensus guidelines such as the American Brachytherapy Society (ABS) and the Groupe Européen de Curiethérapie - European Society for Radiotherapy and Oncology (GEC-ESTRO). In this document, we describe our experience with computed tomography (CT)-based planning using the tandem/ring applicator. We discuss the influence of applicator geometry on doses to organs at risk (OARs), namely the bladder, rectum, and sigmoid...
June 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28725245/the-usefulness-of-fleet-rectal-enemas-on-high-dose-rate-intracavitary-cervical-cancer-brachytherapy-a-prospective-trial
#10
Ignacio Andres, Manuel Gutierrez-Perez, Maria Pilar Rodriguez-Vela, Roberto Berenguer, Marimar Sevillano, Manuel Aguayo, Meritxell Arenas, Angeles Rovirosa, Yashmina Murria-Perez, Sebastia Sabater
PURPOSE: To evaluate the effects of rectal enemas on rectal doses during radical high-dose-rate (HDR) intracavitary cervical brachytherapy (BT). MATERIAL AND METHODS: Twenty patients suffering from cervical cancer and treated with external beam radiotherapy and HDR-BT were included in a prospective trial. The first brachytherapy fraction was considered the basal status, and patients were instructed to self-administer two rectal cleansing enemas before the second fraction...
June 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28725164/cost-effectiveness-of-cervical-cancer-screening-and-preventative-cryotherapy-at-an-hiv-treatment-clinic-in-kenya
#11
Marita R Zimmermann, Elisabeth Vodicka, Joseph B Babigumira, Timothy Okech, Nelly Mugo, Samah Sakr, Louis P Garrison, Michael H Chung
OBJECTIVE: This study evaluated the potential cost-effectiveness of cervical cancer screening in HIV treatment clinics in Nairobi, Kenya. METHODS: A Markov model was used to project health outcomes and costs of cervical cancer screening and cryotherapy at an HIV clinic in Kenya using cryotherapy without screening, visual inspection with acetic acid (VIA), Papanicolaou smear (Pap), and testing for human papillomavirus (HPV). Direct and indirect medical and non-medical costs were examined from societal and clinic perspectives...
2017: Cost Effectiveness and Resource Allocation: C/E
https://www.readbyqxmd.com/read/28724927/dual-functionality-nanobioconjugates-targeting-intracellular-bacteria-in-cancer-cells-with-enhanced-antimicrobial-activity
#12
Rohini Singh, Smita Patil, Neetu Singh, Shalini Gupta
Bacterial drug resistance has emerged as a serious global threat mandating the development of novel methodologies that allow facile modulation of antimicrobial action in a controlled fashion. Conjugating antibiotics to nanoparticles helps to meet this goal by increasing the drug's overall avidity, bioavailability and easier internalisation into mammalian cells, targeting bacteria that otherwise escape antibacterial action by host cell-localisation. We used polymyxin B sulfate (PMB) and sushi peptide as model drugs against Gram-negative bacteria and established their enhanced antimicrobial activity on Escherichia coli (E...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724908/design-and-discovery-of-novel-monastrol-1-3-5-triazines-as-potent-anti-breast-cancer-agent-via-attenuating-epidermal-growth-factor-receptor-tyrosine-kinase
#13
Jitendra Kumar Srivastava, Girinath G Pillai, Hans Raj Bhat, Amita Verma, Udaya Pratap Singh
A novel series of hybrid analogues of monastrol-1,3,5-triazine were designed and developed via one-pot synthesis using Bi(NO3)3 as a catalyst. Entire compounds were evaluated for their anticancer activity against HeLa (cervical cancer), MCF-7 (breast cancer), HL-60 (Human promyelocytic leukemia), HepG2 (Hepatocellular carcinoma) and MCF 12A (normal epithelial breast cell line) using MTT assay, where they showed highest inhibitory activity against MCF-7. The molecules were also found to be non-toxic to MCF 12A cells...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724543/cervical-cancer-screening-in-rural-bhutan-with-the-carehpv-test-on-self-collected-samples-an-ongoing-cross-sectional-population-based-study-reach-bhutan
#14
Iacopo Baussano, Sangay Tshering, Tashi Choden, Fulvio Lazzarato, Vanessa Tenet, Martyn Plummer, Silvia Franceschi, Gary M Clifford, Ugyen Tshomo
OBJECTIVES: The Bhutanese Screening Programme recommends a Pap smear every 3 years for women aged 25-65 years, and coverage ranges from 20% to 60%, being especially challenging in rural settings. The 'REACH-Bhutan' study was conducted to assess the feasibility and outcomes of a novel approach to cervical cancer screening in rural Bhutan. DESIGN: Cross-sectional, population-based study of cervical cancer screening based on the careHPV test on self-collected samples...
July 19, 2017: BMJ Open
https://www.readbyqxmd.com/read/28724282/survival-nomograms-after-curative-neoadjuvant-chemotherapy-and-radical-surgery-for-stage-ib2-iiib-cervical-cancer
#15
Claudia Marchetti, Francesca De Felice, Anna Di Pinto, Alessia Romito, Angela Musella, Innocenza Palaia, Marco Monti, Vincenzo Tombolin, Ludovico Muzii, PierLuigi Benedetti Panici
Purpose: To develop nomograms for predicting the probability of overall survival (OS) and progression-free survival (PFS) in locally advanced cervical cancer treated with neoadjuvant chemotherapy and radical surgery . Materials and Methods: Nomograms to predict the 5-year OS rates and the 2-year PFS rates were constructed. Calibration plots were constructed, and concordance indices were calculated. Evaluated variables were body mass index, age, tumor size, tumor histology, grading, lymphovascular space invasion, positive parametria and positive lymph-nodes...
July 19, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28724201/variations-in-the-bioactive-compounds-composition-and-biological-activities-of-loofah-luffa-cylindrica-fruits-in-relation-to-maturation-stages
#16
Takoua Ben Hlel, Feten Belhadj, Fatih Gül, Muhammed Altun, Ayşe ŞahinYağlıoğlu, Ibrahim Demirtaş, M Nejib Marzouki
The present work aimed to determine the antioxidant and antiproliferative potential of Luffa cylindrica fruits collected at two different maturation stages and to identify and compare their functional components composition. The methanolic extracts of L. cylindrica fruits harvested at 60 to 65 days after seeding (S1) and 85 to 90 days after seeding (S2) were investigated for their antioxidant activity using various assays. Furthermore, the antiproliferative activity of the extracts against HeLa human cervical cancer cells was explored with xCELLigence real time cell analyzer while the effect of the samples on the membrane integrity of the same cell line was assessed using LDH cytotoxicity leakage assay...
July 19, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28723940/modeling-the-dynamics-of-chromosomal-alteration-progression-in-cervical-cancer-a-computational-model
#17
Augusto Cabrera-Becerril, Cruz Vargas-De-León, Sergio Hernández, Pedro Miramontes, Raúl Peralta
Computational modeling has been applied to simulate the heterogeneity of cancer behavior. The development of Cervical Cancer (CC) is a process in which the cell acquires dynamic behavior from non-deleterious and deleterious mutations, exhibiting chromosomal alterations as a manifestation of this dynamic. To further determine the progression of chromosomal alterations in precursor lesions and CC, we introduce a computational model to study the dynamics of deleterious and non-deleterious mutations as an outcome of tumor progression...
2017: PloS One
https://www.readbyqxmd.com/read/28723743/analysis-of-hpv-distribution-in-patients-with-cervical-precancerous-lesions-in-western-china
#18
Kemin Li, Rutie Yin, Qingli Li, Danqing Wang
Cervical human papillomavirus (HPV) infection is a dangerous disease, whose subtypes exhibit different distribution patterns in particular countries, regions, and races. In this study, the HPV distribution in patients with cervical precancerous lesions in Western China was investigated to assess a probability for prevention of cervical cancer and the clinical application of an HPV vaccine in China. The retrospective study of patients with different HPV subtypes and cervical precancerous lesions, who have undergone loop eelectrosurgical excision procedure, cold knife conization, or a total hysterectomy in our hospital from January 2016 to August 2016, was performed...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28723690/distribution-of-human-papillomavirus-genotypes-among-women-in-mashhad-iran
#19
Eskandar Taghizadeh, Forough Taheri, Hamed Abdolkarimi, Pedram Ghorbani Renani, Seyed Mohammad Gheibi Hayat
OBJECTIVE: Cervical cancer is the third most common malignancy in females. Since the human papillomavirus (HPV) genotype can vary geographically, it is essential to define its genotypic distribution before establishing health care policies and vaccination programs in any given area. The aim of this study was to determine the frequency of HPV types in women in Mashhad, Iran. METHODS: We used nested PCR and reverse dot-blot hybridization for genotyping. The study included 143 cervical cytology samples from Mashhad with confirmed papillomavirus infection by molecular methods...
July 20, 2017: Intervirology
https://www.readbyqxmd.com/read/28723643/methyltransferase-g9a-promotes-cervical-cancer-angiogenesis-and-decreases-patient-survival
#20
Ruey-Jien Chen, Chia-Tung Shun, Men-Luh Yen, Chia-Hung Chou, Ming-Chieh Lin
Research suggests that the epigenetic regulator G9a, a H3K9 histone methyltransferase, is involved in cancer invasion and metastasis. Here we show that G9a is linked to cancer angiogenesis and poor patient survival. Invasive cervical cancer has a higher G9a expression than cancer precursors or normal epithelium. Pharmacological inhibition and genetic silencing of G9a suppresses H3K9 methylation, cancer cell proliferation, angiogenesis, and cancer cell invasion/migration, but not apoptosis. Microarray and quantitative reverse transcription polymerase chain reaction analyses reveal that G9a induces a cohort of angiogenic factors that include angiogenin, interleukin-8, and C-X-C motif chemokine ligand 16...
July 7, 2017: Oncotarget
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