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ovarian cancer early diagnosis

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https://www.readbyqxmd.com/read/28081538/testing-breast-cancer-serum-biomarkers-for-early-detection-and-prognosis-in-pre-diagnosis-samples
#1
Anna Kazarian, Oleg Blyuss, Gergana Metodieva, Aleksandra Gentry-Maharaj, Andy Ryan, Elena M Kiseleva, Olga M Prytomanova, Ian J Jacobs, Martin Widschwendter, Usha Menon, John F Timms
BACKGROUND: Breast cancer is a leading cause of morbidity and mortality worldwide. Although mammography screening is available, there is an ongoing interest in improved early detection and prognosis. Herein, we have analysed a combination of serological biomarkers in a case-control cohort of sera taken before diagnosis. METHODS: This nested case-control study within the UK Collaborative Trial of Ovarian Cancer Screening (UKCTOCS) used serum samples from 239 women who subsequently developed breast cancer and 239 matched cancer-free controls...
January 12, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28067383/the-functional-consequences-and-prognostic-value-of-dosage-sensitivity-in-ovarian-cancer
#2
Zichuang Yan, Yongjing Liu, Yunzhen Wei, Ning Zhao, Qiang Zhang, Cheng Wu, Zhiqiang Chang, Yan Xu
Copy number alteration (CNA) represents an important class of genetic variations that may contribute to tumorigenesis, tumor growth and metastatic spread. CNA can directly affect the expression of genes within the CNA regions; however, genes within the CNA regions exhibit heterogeneity in gene dosage sensitivity. In this study, a computational framework was built to identify 1170 dosage-sensitive genes (DSGs) and 1215 dosage-resistant genes (DRGs) that were related to ovarian serous cystadenocarcinoma (OV) through the association between CNA and gene expression...
January 9, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28065618/pathological-features-and-clinical-behavior-of-lynch-syndrome-associated-ovarian-cancer
#3
N A J Ryan, D G Evans, K Green, E J Crosbie
OBJECTIVE: Lynch syndrome (LS) is an inherited tumor predisposition condition caused by mutations in the mismatch repair (MMR) genes. Mutation carriers are at increased risk of various malignancies, including ovarian cancer (OC). Relatively little is known about the pathological features and clinical behavior of LS associated OC. METHODS: We analyzed the data of 1047 proven MMR mutated individuals from a prospectively maintained database at a large referral center for genomic medicine in the North West of England...
January 5, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28058502/a-novel-loss-of-function-heterozygous-brca2-c-8946_8947delag-mutation-found-in-a-chinese-woman-with-family-history-of-breast-cancer
#4
Jing Ma, Jichun Yang, Wenjing Jian, Xianming Wang, Deyong Xiao, Wenjun Xia, Likuan Xiong, Duan Ma
INTRODUCTION: Breast cancer is the most frequent female malignancy worldwide. Among them, some cases have hereditary susceptibility in two leading genes, BRCA1 and BRCA2. Heterozygous germ line mutations in them are related with increased risk of breast, ovarian and other cancer, following autosomal dominant inheritance mode. METHODS AND RESULTS: For purpose of early finding, early diagnosis and early treatment, mutation detecting of BRCA1/2 genes was performed in unselected 300 breast or ovarian patients and unaffected women using next-generation sequencing and then confirmed by Sanger sequencing...
January 5, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28051260/the-application-value-of-the-detection-of-the-level-of-tissue-polypeptide-antigen-ovarian-cancer-antigen-x1-cathepsin-l-and-ca125-on-the-diagnosis-of-epithelial-ovarian-cancer
#5
X-L Lv, Y Zhu, J-W Liu, H Ai
OBJECTIVE: We investigated the value of the joint detection of tissue polypeptide antigen (TPA), ovarian cancer antigen X1 (OVX1), cathepsin L (CTSL) and CA125 on the early diagnosis of epithelial ovarian carcinoma (EOC). PATIENTS AND METHODS: From October 2011 to February 2015, 84 cases of patients under surgical treatment of epithelial ovarian cancer, 98 cases of patients with benign epithelial ovarian tumor and 51 subjects in healthy control group were selected to detect the level of TPA, OVX1 and CTSL in serum from the Obstetrics and Gynecology Department of the First Affiliated Hospital of Liaoning Medical University...
December 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27993884/misdiagnosis-analysis-of-cervical-minimal-deviation-adenocarcinoma-a-report-of-three-rare-cases-and-literature-review
#6
REVIEW
Mingxing Sui, Yanling Pei, Dong Li, Qiaori Li, Peining Zhu, Tianmin Xu, Manhua Cui
Cervical minimal deviation adenocarcinoma (MDA) is a rare variant of cervical adenocarcinoma that is difficult to diagnose due to the deep location, endogenous growth pattern, deceptively benign appearance of tumor cells, and lack of connection to human papillomavirus (HPV). Cytological evaluation and biopsies offer suboptimal detection and transvaginal sonography or Magnetic Resonance Imaging (MRI) only reveal multiple lesions that mimic multiple benign nabothian cysts. Besides, standard screening, diagnostic tools, and treatments are not established...
December 2016: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/27992724/folate-targeted-surface-enhanced-resonance-raman-scattering-nanoprobe-ratiometry-for-detection-of-microscopic-ovarian-cancer
#7
Anton Oseledchyk, Chrysafis Andreou, Matthew A Wall, Moritz F Kircher
Ovarian cancer has a unique pattern of metastatic spread, in that it initially spreads locally within the peritoneal cavity. This is in contrast to most other cancer types, which metastasize early on via the blood stream to distant sites. This unique behavior opens up an opportunity for local application of both therapeutic and imaging agents. Upon initial diagnosis, 75% of patients already present with diffuse peritoneal spread involving abdominal organs. Complete resection of all tumor implants has been shown to be a major factor for improved survival...
December 19, 2016: ACS Nano
https://www.readbyqxmd.com/read/27988375/reciprocal-links-between-venous-thromboembolism-coagulation-factors-and-ovarian-cancer-progression
#8
REVIEW
Nathalie Swier, Henri H Versteeg
Ovarian cancer is the most lethal gynecological malignancy, which is due to late presentation. Treating advanced stage ovarian cancer is difficult, and tumor recurrence and chemoresistance frequently occur. In addition, early detection remains a major challenge as there are no early warning signs and no appropriate biomarkers. To reduce mortality rates of ovarian cancer patients, novel drug targets and biomarkers are needed. We postulate that hemostatic keyplayers are of importance when combatting ovarian cancer...
December 14, 2016: Thrombosis Research
https://www.readbyqxmd.com/read/27987341/fdg-pet-positive-ovarian-thecoma-with-glut5-expression-five-cases
#9
Yukiko Bono, Yasunari Mizumoto, Mitsuhiro Nakamura, Jyunpei Iwadare, Takeshi Obata, Hiroshi Fujiwara
Positron emission tomography (PET) with fluorodeoxyglucose F18 ((18) F-FDG) is useful for detecting malignancies, but benign lesions occasionally have false-positive (18) F-FDG uptake. Here, we report the cases of five postmenopausal women with solid ovarian tumors suspected to be ovarian cancer on magnetic resonance imaging and (18) F-FDG uptake. Mean age of the five patients was 57 years (range, 53-65 years). Average early standardized uptake value (SUV) of (18) F-FDG was 5.76 (range, 2.2-12.0) and delayed SUV was 6...
December 17, 2016: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/27981507/emerging-diagnostic-prognostic-and-therapeutic-biomarkers-for-ovarian-cancer
#10
REVIEW
Khalid El Bairi, Abdul Hafeez Kandhro, Adel Gouri, Wafaa Mahfoud, Noureddine Louanjli, Brahim Saadani, Said Afqir, Mariam Amrani
BACKGROUND: In spite of various treatment options currently available, ovarian cancer (OC) still remains a leading cause of death in women world-wide. Diagnosis at an early stage is one of the most important factors that determines survival. Current clinical diagnostic tools have, however, a limited efficacy in early OC detection. Therefore, there is a critical need for new (early) diagnostic biomarkers and tools. Through advances in genomic, proteomic and metabolomic techniques, several novel molecular OC biomarkers have recently been identified...
December 15, 2016: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/27957650/roles-of-sall2-in-tumorigenesis
#11
REVIEW
Chang K Sung, Hyungshin Yim
The proteins p150(Sal2) (product of SALL2) and p53 share growth arrest and pro-apoptotic functions by independently inducing p21(Cip1/Waf1) and BAX, and both proteins are targeted by the human papilloma virus E6 protein, leading to blockage of growth arrest in infected cells. Loss of both p53 and Sall2 in mice causes significantly higher mortality and metastasis rates compared with p53 single mutant mice. Therefore, p150(Sal2) seems to have strong potential as a novel cancer biomarker for early diagnosis and risk prediction...
December 12, 2016: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/27903971/novel-risk-models-for-early-detection-and-screening-of-ovarian-cancer
#12
Matthew R Russell, Alfonsina D'Amato, Ciaren Graham, Emma J Crosbie, Aleksandra Gentry-Maharaj, Andy Ryan, Jatinderpal K Kalsi, Evangelia-Ourania Fourkala, Caroline Dive, Michael Walker, Anthony D Whetton, Usha Menon, Ian Jacobs, Robert L J Graham
PURPOSE: Ovarian cancer (OC) is the most lethal gynaecological cancer. Early detection is required to improve patient survival. Risk estimation models were constructed for Type I (Model I) and Type II (Model II) OC from analysis of Protein Z, Fibronectin, C-reactive protein and CA125 levels in prospectively collected samples from the United Kingdom Collaborative Trial of Ovarian Cancer Screening (UKCTOCS). RESULTS: Model I identifies cancers earlier than CA125 alone, with a potential lead time of 3-4 years...
November 26, 2016: Oncotarget
https://www.readbyqxmd.com/read/27886412/cowden-syndrome-serendipitous-diagnosis-in-patients-with-significant-breast-disease-case-series-and-literature-review
#13
Roisin M Heaney, Michael Farrell, Maurice Stokes, Tom Gorey, Dylan Murray
Cowden syndrome (CS) is a multi-system disease that carries an increased lifetime risk of developing certain cancers as well as benign neoplasms. The presence of features of CS in the general unaffected population results in difficulties in the recognition and diagnosis of this condition. Early diagnosis is essential to prevent the development of malignant neoplasms, yet despite the introduction of diagnostic criteria and risk calculators, accurate diagnosis remains a challenge. We identified three patients who presented to the symptomatic breast unit of a University Teaching Hospital over a period of 12 weeks who subsequently were diagnosed with CS...
November 25, 2016: Breast Journal
https://www.readbyqxmd.com/read/27882536/brca1-and-brca2-mutation-testing-in-cyprus-a-population-based-study
#14
M A Loizidou, A Hadjisavvas, P Pirpa, E Spanou, T Delikurt, G A Tanteles, M Daniel, P Kountourakis, S Malas, G Ioannidis, I Zouvani, E Kakouri, D Papamichael, Y Marcou, V Anastasiadou, K Kyriacou
This paper presents the largest study in Cyprus evaluating the frequency and distribution of BRCA1/2 mutations in a high risk patient cohort. Deleterious mutations in the BRCA1/2 genes were identified in 68 of the 527 patients tested (13%). It is of interest that a quarter of those tested positive, did not have an extensive family history of breast/ovarian cancer but were diagnosed with early onset breast cancer, ovarian cancer under the age of 60 or triple negative breast cancer. The spectrum of mutations identified in our patient cohort is different compared to other Mediterranean countries...
October 13, 2016: Clinical Genetics
https://www.readbyqxmd.com/read/27870708/sarcopenia-in-advanced-serous-ovarian-cancer
#15
Holger Bronger, Philipp Hederich, Alexander Hapfelmeier, Stephan Metz, Peter B Noël, Marion Kiechle, Barbara Schmalfeldt
OBJECTIVE: Cancer cachexia is a paraneoplastic syndrome comprising involuntary weight loss and muscle depletion (sarcopenia). Although weight loss has been associated with poor clinical outcome, there is only limited information on the prevalence and prognostic impact of sarcopenia in ovarian cancer so far. METHODS: Total skeletal muscle mass was determined by computed tomography image analysis of the third lumbar skeletal muscle cross-sectional area in 128 patients with advanced serous ovarian cancer...
November 17, 2016: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/27870707/time-trends-in-ovarian-cancer-survival-in-estonia-by-age-and-stage
#16
Kristiina Ojamaa, Piret Veerus, Aleksei Baburin, Hele Everaus, Kaire Innos
OBJECTIVE: The objective of the study was to examine temporal trends in ovarian cancer (OC) survival in Estonia during 1995 to 2009 in relation to age and stage. MATERIALS AND METHODS: Estonian Cancer Registry data on all adult cases of primary OC diagnosed during 1995 to 2009 and followed up for vital status until 2014 were used to estimate relative survival ratios (RSRs). Cohort analysis was used to estimate 1-, 2-, and 5-year RSRs for patients diagnosed in 1995 to 1999, 2000 to 2004, and 2005 to 2009...
January 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/27860146/incidence-of-lymph-node-metastases-in-clinical-early-stage-mucinous-and-seromucinous-ovarian-carcinoma-a-retrospective-cohort-study
#17
Joam van Baal, K K Van de Vijver, S B Coffelt, V van der Noort, W J van Driel, G G Kenter, M R Buist, Car Lok
OBJECTIVE: The use of lymph node sampling during staging procedures in clinical early-stage mucinous ovarian carcinoma (MOC) is an ongoing matter of debate. Furthermore, the incidence of lymph node metastases (LNM) in MOC in relation to tumour grade (G) is unknown. We aimed to determine the incidence of LNM in clinical early-stage MOC per tumour grade. DESIGN: Retrospective study with data from the Dutch Pathology Registry (PALGA). SETTING: The Netherlands, 2002-2012...
November 16, 2016: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27826806/uptake-of-prenatal-diagnostic-testing-for-retinoblastoma-compared-to-other-hereditary-cancer-syndromes-in-the-netherlands
#18
Charlotte J Dommering, Lidewij Henneman, Annemarie H van der Hout, Marianne A Jonker, Carli M J Tops, Ans M W van den Ouweland, Rob B van der Luijt, Arjen R Mensenkamp, Frans B L Hogervorst, Egbert J W Redeker, Christine E M de Die-Smulders, Annette C Moll, Hanne Meijers-Heijboer
Since the 1980s the genetic cause of many hereditary tumor syndromes has been elucidated. As a consequence, carriers of a deleterious mutation in these genes may opt for prenatal diagnoses (PND). We studied the uptake of prenatal diagnosis for five hereditary cancer syndromes in the Netherlands. Uptake for retinoblastoma (Rb) was compared with uptake for Von Hippel-Lindau disease (VHL), Li-Fraumeni syndrome (LFS), familial adenomatous polyposis (FAP), and hereditary breast ovarian cancer (HBOC). A questionnaire was completed by all nine DNA-diagnostic laboratories assessing the number of independent mutation-positive families identified from the start of diagnostic testing until May 2013, and the number of PNDs performed for these syndromes within these families...
November 8, 2016: Familial Cancer
https://www.readbyqxmd.com/read/27798689/clinical-significance-of-tissue-factor-pathway-inhibitor-2-a-serum-biomarker-candidate-for-ovarian-clear-cell-carcinoma
#19
Noriaki Arakawa, Hiroshi Kobayashi, Naohiro Yonemoto, Yusuke Masuishi, Yoko Ino, Hiroshi Shigetomi, Naoto Furukawa, Norihisa Ohtake, Yohei Miyagi, Fumiki Hirahara, Hisashi Hirano, Etsuko Miyagi
BACKGROUND: There is currently no reliable serum biomarker for ovarian clear cell carcinoma (CCC), a highly lethal histological subtype of epithelial ovarian cancer (EOC). Previously, using a proteome-based approach, we identified tissue factor pathway inhibitor 2 (TFPI2) as a candidate serum biomarker for CCC. In this study, we sought to evaluate the clinical diagnostic performance of TFPI2 in preoperative prediction of CCC. METHODS: Serum TFPI2 levels were measured in serum samples from a retrospective training set consisting of patients with benign and borderline ovarian tumors, EOC subtypes, and uterine diseases...
2016: PloS One
https://www.readbyqxmd.com/read/27798047/common-diseases-as-determinants-of-menopausal-age
#20
Jingmei Li, Mikael Eriksson, Kamila Czene, Per Hall, Kenny A Rodriguez-Wallberg
STUDY QUESTION: Can the diagnosis of common diseases before menopause influence age at natural menopause (ANM) onset? SUMMARY ANSWER: Polycystic ovary syndrome (PCOS) and depression were observed to delay menopause. WHAT IS KNOWN ALREADY: It has been observed that women who undergo early menopause experience a higher burden of health problems related to metabolic syndromes, heart disease and depression, but whether ANM can be influenced by common adult diseases has not been studied extensively...
December 2016: Human Reproduction
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