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https://www.readbyqxmd.com/read/28449574/the-clinical-utilization-of-radiation-therapy-in-korea-between-2011-and-2015
#1
Young-Seok Seo, Mi-Sook Kim, Jin-Kyu Kang, Won-Il Jang, Hee Jin Kim, Chul Koo Cho, Hyung Jun Yoo, Eun Kyung Paik, Yu Jin Cha, Jae Sun Yoon
Purpose: The purpose of this study was to estimate the clinical utilization of radiation therapy (RT) in Korea between 2011 and 2015. Materials and Methods: We analyzed the claims data from the Health Insurance Review and Assessment Service (HIRA) to estimate the clinical utilization of RT. The source population consisted of all patients who had any of the International Classification of Diseases 10 (ICD-10) cancer diagnoses (C00-C97) and those with diagnostic codes D00-D48, who were also associated with at least one of the procedure codes related to RT...
April 25, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28449009/the-prognostic-value-of-dynamic-contrast-enhanced-mri-contrast-agent-transfer-constant-k-trans-in-cervical-cancer-is-explained-by-plasma-flow-rather-than-vessel-permeability
#2
Ben R Dickie, Chris J Rose, Lucy E Kershaw, Stephanie B Withey, Bernadette M Carrington, Susan E Davidson, Gillian Hutchison, Catharine M L West
BACKGROUND: The microvascular contrast agent transfer constant K(trans) has shown prognostic value in cervical cancer patients treated with chemoradiotherapy. This study aims to determine whether this is explained by the contribution to K(trans) of plasma flow (Fp), vessel permeability surface-area product (PS), or a combination of both. METHODS: Pre-treatment dynamic contrast-enhanced MRI (DCE-MRI) data from 36 patients were analysed using the two-compartment exchange model...
April 27, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28448850/perturbation-of-drosha-and-dicer-expression-by-human-papillomavirus-16-oncoproteins
#3
Mallory E Harden, Karl Munger
Many tumors, including cervical carcinoma, show dysregulated expression of the microRNA processing machinery, specifically DROSHA and DICER. Some cervical cancers exhibit chromosome 5p amplifications and DROSHA is the most significantly upregulated transcript and is observed in all tumors with 5p gain. DROSHA and DICER mRNA levels, however, are higher in HPV positive cancer lines than in an HPV negative cervical carcinoma line. We show that high-risk HPV E6/E7 expression in HPV negative C33A cervical carcinoma cells and primary human epithelial cell causes increased expression of DROSHA and DICER mRNA and protein...
April 24, 2017: Virology
https://www.readbyqxmd.com/read/28448533/determining-the-optimal-number-and-location-of-cutoff-points-with-application-to-data-of-cervical-cancer
#4
Chung Chang, Meng-Ke Hsieh, Wen-Yi Chang, An Jen Chiang, Jiabin Chen
It is often helpful to classify biomarker values into groups of different risk levels to facilitate evaluation of a biological, physiological, or pathological state. Stratification of patients into two risk groups is commonly seen, but there is always need for more than two groups for fine assessment. So far, there are no standard methods or tools to help decide how many cutoff points are optimal. In this study, we developed a comprehensive package that included methods to determine both the optimal number and locations of cutoff points for both survival data and dichotomized outcome...
2017: PloS One
https://www.readbyqxmd.com/read/28448437/sulfiredoxin-may-promote-cervical-cancer-metastasis-via-wnt-%C3%AE-catenin-signaling-pathway
#5
Kangyun Lan, Yuni Zhao, Yue Fan, Binbin Ma, Shanshan Yang, Qin Liu, Hua Linghu, Hui Wang
The abnormal elevation of sulfiredoxin (Srx/SRXN1)-an antioxidant enzyme whose main function is to protect against oxidative stress-has been shown to be closely correlated with the progression of several types of cancer, including human cervical cancer. However, the molecular mechanism by which Srx promotes tumor progression, especially cancer metastasis in cervical cancer, has not been elucidated. Here, we show that Srx expression gradually increases during the progression of human cervical cancer and its expression level is closely correlated with lymph node metastasis...
April 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28448413/the-application-of-iodine-quantitative-information-obtained-by-dual-source-dual-energy-computed-tomography-on-chemoradiotherapy-effect-monitoring-for-cervical-cancer-a-preliminary-study
#6
Changqin Jiang, Pin Yang, Junqiang Lei, Jinkui Li, Kun Yan, Feilong Li, Ruifeng Yan, Lichao Xia
OBJECTIVE: The aim of the study is to investigate the potential contribution of the iodine quantitative parameters of dual-phase dual-energy computed tomography (DECT) scanning for chemoradiotherapy (CRT) response monitoring for cervical cancer. METHODS: Patients who were pathologically certified having cervical cancer and intended for concurrent radiotherapy and chemotherapy were prospectively included in our study. Contrast-enhanced DECT scanning was performed before CRT, which was repeated after 1 month of therapy, using a dual-source CT scanner onset...
April 26, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28448351/newscap-the-racial-disparity-in-cervical-cancer-mortality-is-much-greater-than-previously-calculated
#7
(no author information available yet)
No abstract text is available yet for this article.
May 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28448304/systematic-review-and-network-meta-analysis-of-bevacizumab-plus-first-line-topotecan-paclitaxel-or-cisplatin-paclitaxel-versus-non-bevacizumab-containing-therapies-in-persistent-recurrent-or-metastatic-cervical-cancer
#8
Virginia M Rosen, Ines Guerra, Mary McCormack, Angélica Nogueira-Rodrigues, Andre Sasse, Veronica C Munk, Aijing Shang
OBJECTIVE: Despite advances in cervical cancer prevention and diagnosis, outcomes for patients given a diagnosis of advanced and recurrent disease are poor. In the GOG240 trial, the addition of bevacizumab to paclitaxel-topotecan or paclitaxel-cisplatin has been shown to prolong survival compared with paclitaxel-topotecan or paclitaxel-cisplatin in patients with persistent, recurrent, or metastatic disease. However, standards of care vary between regions and countries. The purpose of this systematic review and network meta-analysis was to enable a comparison between bevacizumab + chemotherapy with multiple monotherapy or combination chemotherapy regimens in the treatment for women with advanced, recurrent, or persistent cervical cancer...
April 26, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28447761/mir-21-inhibitor-suppresses-cell-proliferation-and-colony-formation-through-regulating-the-pten-akt-pathway-and-improves-paclitaxel-sensitivity-in-cervical-cancer-cells
#9
Guohui Du, Dongmei Cao, Lingzheng Meng
The present study aimed to investigate the role and the molecular mechanisms underlying the effects of microRNA-21 (miR-21) on the proliferation, apoptosis and colony formation of cervical cancer cells, and to examine the role of miR-21 in mediating the sensitivity of cervical cancer cells to paclitaxel (PTX). Reverse transcription‑quantitative polymerase chain reaction was employed to determine the level of miR‑21 in various cervical cancer and normal cervical cells. The results revealed that the expression levels of miR-21 in cervical cancer cells were markedly higher when compared with normal cervical cells...
March 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447725/expression-levels-of-resistant-genes-affect-cervical-cancer-prognosis
#10
Fengmei Yang, Bo Gao, Rui Li, Wencui Li, Wei Chen, Zongtao Yu, Jicai Zhang
Tumor cells may develop multidrug resistance (MDR) to various chemotherapy regimens. Such resistance reduces the sensitivity of cells to chemotherapy drugs, leading to the failure of cervical cancer (CC) treatment and disease progression. The present study aimed to investigate the role of MDR1, lung resistance protein (LRP) and placental glutathione S‑transferase π 1 (GSTP1) in CC and MDR, and the prognostic value of these genes. The mRNA expression levels of these resistance‑associated genes were determined in 47 CC and 20 healthy cervical tissue samples...
March 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447590/concomitant-thyroid-cancer-in-patients-with-primary-hyperparathyroidism-in-an-endemic-goitre-region
#11
Besir Simsek, Cem Emir Guldogan, Sabri Ozden, Baris Saylam, Serif Melih Karabeyoglu, Mesut Tez
OBJECTIVE: Primary hyperparathyroidism (pHPT) is often accompanied by underlying thyroid pathology and 1 to 36% of these thyroid pathologies are malignant. How the identification of these lesions affects patient management is unclear. We present a single-center experience with the prevalence of concomitant thyroid cancer in patients who underwent parathyroidectomy for pHPT. MATERIALS AND METHODS: This was a retrospective cohort study. Two hundred-two patients with primary hyperparathyroidism included study...
2017: Annali Italiani di Chirurgia
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
#12
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/28446743/mammalian-target-of-rapamycin-mtor-regulates-transforming-growth-factor-%C3%AE-1-tgf-%C3%AE-1-induced-epithelial-mesenchymal-transition-via-decreased-pyruvate-kinase-m2-pkm2-expression-in-cervical-cancer-cells
#13
Ke-Yan Cheng, Min Hao
BACKGROUND Epithelial-mesenchymal transition (EMT) plays an important role in cancer tumorigenesis. Transforming growth factor β1 (TGF-β1) can induced EMT, which could increase tumor migration and invasion. Moreover, recent studies have been proven that mammalian target of rapamycin (mTOR) is a critical regulator of EMT. We investigated the mechanisms of mTOR in transforming growth factor β1 (TGF-β1)-induced EMT in cervical cancer cells. MATERIAL AND METHODS HeLa and SiHa cells were treated with 10 ng/ml TGF-β1 to induce EMT...
April 27, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28446503/sensitivity-and-specificity-of-cetuximab-irdye800cw-to-identify-regional-metastatic-disease-in-head-and-neck-cancer
#14
Eben Rosenthal, Lindsay Moore, Kiranya Tipirneni, Esther de Boer, Todd M Stevens, Yolanda E Hartman, William R Carroll, Kurt R Zinn, Jason M Warram
Purpose: Comprehensive cervical lymphadenectomy can be associated with significant morbidity and poor quality of life. This study evaluated the sensitivity and specificity of cetuximab-IRDye800CW to identify metastatic disease in patients with head and neck cancer. <p>Experimental Design: Consenting patients scheduled for curative resection were enrolled in a clinical trial to evaluate the safety and specificity of cetuximab-IRDye800CW. Patients (n=12) received escalating doses of the study drug. Where indicated, cervical lymphadenectomy accompanied primary tumor resection, which occurred 3-7days following intravenous infusion of cetuximab-IRDye800CW...
April 26, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28446260/human-papillomavirus-9-valent-vaccine-for-cancer-prevention-a-systematic-review-of-the-available-evidence
#15
C Signorelli, A Odone, V Ciorba, P Cella, R A Audisio, A Lombardi, L Mariani, F S Mennini, S Pecorelli, G Rezza, G V Zuccotti, A Peracino
In 2014, the Food and Drug Administration approved a new human papillomavirus 9-valent vaccine (9vHPV), targeting nine HPV types: HPV types 6, 11, 16, and 18, which are also targeted by the quadrivalent HPV vaccine (qHPV), plus five additional high cancer risk HPV types (HPV types 31, 33, 45, 52, and 58). The aim of the current study was to systematically retrieve, qualitatively and quantitatively pool, as well as critically appraise all available evidence on 9vHPV from randomized controlled trials (RCTs). We conducted a systematic review of the literature on 9vHPV efficacy, immunogenicity and safety, as well as a systematic search of registered, completed, and ongoing RCTs...
April 27, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28446078/serial-neck-ultrasonographic-evaluation-of-changes-in-papillary-thyroid-carcinoma-during-pregnancy
#16
Hye-Seon Oh, Won Gu Kim, Suyeon Park, Mijin Kim, Hyemi Kwon, MinJi Jeon, Jeong Hyun Lee, Jung Hwan Baek, Dong Eun Song, Tae Yong Kim, YoungKee Shong, Won Bae Kim
<b><i>Background</i></b> Papillary thyroid cancer (PTC) is a common malignancy diagnosed during pregnancy. However, there is little information on the behavior of PTC during pregnancy. The aim of this study was to evaluate the natural course of PTC in pregnant women. <b><i>Methods</i></b> The study included 19 patients with PTC who delayed thyroid surgery because they were diagnosed with PTC just before or during the early stages of pregnancy. Serial neck ultrasonography (US) was used to evaluate PTCs before surgical treatment, and the clinical outcomes after surgery...
April 27, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28445979/the-impacts-of-single-nucleotide-polymorphisms-in-genes-of-cell-cycle-and-nf-kb-pathways-on-the-efficacy-and-acute-toxicities-of-radiotherapy-in-patients-with-nasopharyngeal-carcinoma
#17
Chengxian Guo, Yuling Huang, Jingjing Yu, Lijuan Liu, Xiaochang Gong, Min Huang, Chunling Jiang, Yulu Liao, Lihua Huang, Guoping Yang, Jingao Li
Radiotherapy is one of the primary choices for the treatment of nasopharyngeal carcinoma (NPC) and may result in severe radiotoxicities on normal tissues. Single nucleotide polymorphisms (SNPs) in genes of cell cycle and NF-κB pathways have been linked with the prognoses of various cancers. The aim of this study was to explore whether SNPs of genes involved in cell cycle and NF-κB pathways are associated with responses to radiotherapy in NPC patients. We selected 3 SNPs in cell cycle pathway and 5 SNPs in NF-κB pathway and genotyped them in 154 NPC patients treated with radiotherapy...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445974/lowered-expression-of-microrna-125a-5p-in-human-hepatocellular-carcinoma-and-up-regulation-of-its-oncogenic-targets-sirtuin-7-matrix-metalloproteinase-11-and-c-raf
#18
Nicola Coppola, Giorgio de Stefano, Marta Panella, Lorenzo Onorato, Valentina Iodice, Carmine Minichini, Nicola Mosca, Luisa Desiato, Nunzia Farella, Mario Starace, Giulia Liorre, Nicoletta Potenza, Evangelista Sagnelli, Aniello Russo
Human microRNA-125a-5p (miR-125a) is expressed in most tissues where it downregulates the expression of membrane receptors or intracellular transductors of mitogenic signals, thus limiting cell proliferation. Expression of this miRNA generally increases with cell differentiation whereas it is downregulated in several types of tumors, such as breast, lung, ovarian, gastric, colon, and cervical cancers, neuroblastoma, medulloblastoma, glioblastoma, and retinoblastoma. In this study, we focused on hepatocellular carcinoma and used real-time quantitative PCR to measure miR-125a expression in 55 tumor biopsies and in matched adjacent non-tumor liver tissues...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445270/pooled-analysis-on-the-necessity-of-random-4-quadrant-cervical-biopsies-and-endocervical-curettage-in-women-with-positive-screening-but-negative-colposcopy
#19
Shang-Ying Hu, Wen-Hua Zhang, Shu-Min Li, Nan Li, Man-Ni Huang, Qin-Jing Pan, Xun Zhang, Ying Han, Fang-Hui Zhao, Wen Chen, You-Lin Qiao
Controversy remains over whether random cervical biopsies and endocervical curettage (ECC) should be used in women with positive screening but negative colposcopy. Our paper aims to determine the indications for random biopsies and ECC among these screened positive women.Three thousand two hundred thirteen women with any positive screening test result but negative colposcopy, who received random 4-quadrant biopsies, were pooled from 17 population-based cervical cancer screening studies done in China from 1999 to 2008...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28444664/endocrine-complications-of-surgical-treatment-of-thyroid-cancer-an-update
#20
Pedro Iglesias, Juan José Díez
Postoperative hypoparathyroidism (HypoPT) and hypothyroidism (HypoT) are the main endocrine complications after the surgical treatment for thyroid cancer. Postsurgical HypoPT can be transient, protracted or permanent. Its frequency varies according to the underlying cervical pathology, surgical technique, and mainly the experience of the surgeon. Risk factors for HypoPT include aggressiveness of the tumor, extent of surgery, the presence of parathyroid gland in the pathologic specimen, and surgeon experience...
April 25, 2017: Experimental and Clinical Endocrinology & Diabetes
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