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https://www.readbyqxmd.com/read/28723675/tumor-antigen-ca125-suppresses-antibody-dependent-cellular-cytotoxicity-adcc-via-direct-antibody-binding-and-suppressed-fc-%C3%AE-receptor-engagement
#1
J Bradford Kline, Rina P Kennedy, Earl Albone, Qimin Chao, Shawn Fernando, Jennifer M McDonough, Katherine Rybinski, Wenquan Wang, Elizabeth B Somers, Charles Schweizer, Luigi Grasso, Nicholas C Nicolaides
Cancers employ a number of mechanisms to evade host immune responses. Here we report the effects of tumor-shed antigen CA125/MUC16 on suppressing IgG1-mediated antibody-dependent cellular cytotoxicity (ADCC). This evidence stems from prespecified subgroup analysis of a Phase 3 clinical trial testing farletuzumab, a monoclonal antibody to folate receptor alpha, plus standard-of-care carboplatin-taxane chemotherapy in patients with recurrent platinum-sensitive ovarian cancer. Patients with low serum CA125 levels treated with farletuzumab demonstrated improvements in progression free survival (HR 0...
July 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28723610/pediatric-reference-intervals-for-29-ortho-vitros-5600-immunoassays-using-the-caliper-cohort-of-healthy-children-and-adolescents
#2
Victoria Higgins, Angela W S Fung, Man Khun Chan, Joseph Macri, Khosrow Adeli
BACKGROUND: Accurate reference intervals (RIs) based on a healthy pediatric population are essential for pediatric test result interpretation. The CALIPER project has recruited a large healthy cohort and completed a series of a priori studies to address gaps in pediatric RIs. As immunoassays from different manufacturers for endocrine and special chemistry markers are not standardized and show marked intermethod differences, direct RI studies are needed for each major analytical platform...
July 19, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28698445/-a-case-of-albumin-bound-paclitaxel-induced-peripheral-neuropathy-without-exacerbation
#3
Masanobu Uchiyama, Toshitaka Goto, Miho Ueno, Hideki Kakimoto, Kouta Mashima, Yousuke Ikari, Yasushi Takamatsu, Kentaro Ogata, Hidetoshi Kamimura
Albumin-bound paclitaxel(nab-PTX)-associated neuropathy decreases the quality of life of cancer patients and leads to dose modification, discontinuation of chemotherapy, and occasionally dose-limiting toxicity. In the present case study, a 92- year-old female patient with peritoneal cancer of carcinomatous peritonitis and carcinomatous ascites was treated with carboplatin plus nab-PTX every 4 weeks as first-line chemotherapy, and a good response was achieved following 4 cycles of this regimen. However, the patient developed Grade 3 peripheral neuropathy and stopped the therapy...
June 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28693156/detection-of-opcml-methylation-a-possible-epigenetic-marker-from-free-serum-circulating-dna-to-improve-the-diagnosis-of-early-stage-ovarian-epithelial-cancer
#4
Bi Wang, Lei Yu, Xin Luo, Lin Huang, Qin-Shan Li, Xiao-Shan Shao, Yi Liu, Yu Fan, Guo-Zhen Yang
The aim of the present study was to identify the appropriate DNA sequence and design high-quality primers for methylation-specific polymerase chain reaction (MSP). These primers may be used to examine and identify patients with early-stage epithelial ovarian carcinoma (EOC). Opioid binding protein/cell adhesion molecule like (OPCML), Runt-related transcription factor 3 and tissue factor pathway inhibitor 2 were selected as possible molecular markers. MSP primer sets were designed to monitor the methylation of the three markers...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28680284/diagnostic-value-of-epidermal-growth-factor-cancer-antigen-125-and-cancer-antigen-15-3-in-bronchoalveolar-lavage-fluid-of-lung-cancer
#5
S Sun, Z Chen, C Cao, B Wu, B Wang, Y Yu, Z Chen, Z Hu, Z Deng
AIM: In the present study, we assessed the diagnostic value of epidermal growth factor (egf) and cancer antigens 125 (ca125) and 15-3 (ca15-3) in bronchoalveolar lavage fluid (balf) of lung cancer from 79 enrolled patients with suspected lung cancer. METHODS: All patients underwent fibrescopic examination, during which balf samples were collected. Levels of egf, ca125, and ca15-3 were determined in balf using commercially available test kits. RESULTS: The results showed that levels of egf in balf were significantly higher in patients with lung cancer than in patients with benign diseases (p < 0...
June 2017: Current Oncology
https://www.readbyqxmd.com/read/28671087/the-effect-analysis-of-cyp2d6-gene-polymorphism-in-the-toremifene-and-tamoxifen-treatment-in-patient-with-breast-cancer
#6
Yi Zeng, Kai Huang, Weiwei Huang
The purpose of the present research work was to study the CYP2D6 gene polymorphism survival outcome after breast cancer patient received the toremifene and tamoxifen treatment. Seventy-eight patients who received radical mastectomy and toremifene and tamoxifen treatment after operation were divided into three groups: CYP2D6*1/*1 group (13 cases), CYP2D6*1/*10 group (28cases) and CYP2D6*10/*10 group (35 cases), according to the gene polymorphism of blood serum CYP2D6. The results of treatment of three groups were compared...
May 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28670494/lycopene-reduces-ovarian-tumor-growth-and-intraperitoneal-metastatic-load
#7
Nina Pauline Holzapfel, Ali Shokoohmand, Ferdinand Wagner, Marietta Landgraf, Simon Champ, Boris Michael Holzapfel, Judith Ann Clements, Dietmar Werner Hutmacher, Daniela Loessner
Mutagens like oxidants cause lesions in the DNA of ovarian and fallopian tube epithelial cells, resulting in neoplastic transformation. Reduced exposure of surface epithelia to oxidative stress may prevent the onset or reduce the growth of ovarian cancer. Lycopene is well-known for its excellent antioxidant properties. In this study, the potential of lycopene in the prevention and treatment of ovarian cancer was investigated using an intraperitoneal animal model. Lycopene prevention significantly reduced the metastatic load of ovarian cancer-bearing mice, whereas treatment of already established ovarian tumors with lycopene significantly diminished the tumor burden...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28666422/the-role-of-hormonal-therapy-in-patients-with-relapsed-high-grade-ovarian-carcinoma-a-retrospective-series-of-tamoxifen-and-letrozole
#8
Angela George, Jennifer McLachlan, Nina Tunariu, Chiara Della Pepa, Cristina Migali, Martin Gore, Stan Kaye, Susana Banerjee
BACKGROUND: Hormonal therapy is used as a treatment option in high-grade ovarian carcinoma (HGOC), but the role and choice of treatment remains unclear. Agents used include tamoxifen and aromatase inhibitors. Our aim was to evaluate the efficacy of tamoxifen (T) and letrozole (L) in HGOC in clinical practice and investigate factors influencing clinical outcome. METHODS: A retrospective review of patients with relapsed HGOC treated with either tamoxifen or letrozole at the Royal Marsden Hospital between 2007 and 2012 was performed...
June 30, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28664912/a-combined-biomarker-panel-shows-improved-sensitivity-for-the-early-detection-of-ovarian-cancer-allowing-the-identification-of-the-most-aggressive-type-ii-tumours
#9
Matthew R Russell, Ciaren Graham, Alfonsina D'Amato, Aleksandra Gentry-Maharaj, Andy Ryan, Jatinderpal K Kalsi, Carol Ainley, Anthony D Whetton, Usha Menon, Ian Jacobs, Robert L J Graham
BACKGROUND: There is an urgent need for biomarkers for the early detection of ovarian cancer (OC). The purpose of this study was to assess whether changes in serum levels of lecithin-cholesterol acyltransferase (LCAT), sex hormone-binding globulin (SHBG), glucose-regulated protein, 78 kDa (GRP78), calprotectin and insulin-like growth factor-binding protein 2 (IGFBP2) are observed before clinical presentation and to assess the performance of these markers alone and in combination with CA125 for early detection...
June 29, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28662703/the-diagnosis-of-a-metastatic-breast-tumor-from-ovarian-cancer-by-the-succession-of-a-p53-mutation-a-case-report
#10
Ryutaro Mori, Manabu Futamura, Kasumi Morimitsu, Chiemi Saigo, Tatsuhiko Miyazaki, Kazuhiro Yoshida
BACKGROUND: Metastatic breast tumors from other organs are very rare. We herein describe the case of a patient with a metastatic breast tumor due to ovarian cancer who was diagnosed by the succession of a p53 mutation. CASE PRESENTATION: The patient was a 59-year-old woman with sigmoid colon stenosis. Diagnostic imaging revealed a pelvic mass, multiple liver tumors, ascites, and multiple swollen para-aortic lymph nodes, suggesting an advanced ovarian tumor. Transverse loop colostomy and partial resection of the greater omentum was performed followed by six cycles of paclitaxel with carboplatin chemotherapy (TC therapy)...
June 29, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28662671/plasma-levels-of-mmp-7-and-timp-1-in-laboratory-diagnostics-and-differentiation-of-selected-histological-types-of-epithelial-ovarian-cancers
#11
Grażyna Ewa Będkowska, Ewa Gacuta, Monika Zajkowska, Edyta Katarzyna Głażewska, Joanna Osada, Maciej Szmitkowski, Lech Chrostek, Milena Dąbrowska, Sławomir Ławicki
BACKGROUND: MMP-7 and TIMP-1 may play a role in the pathogenesis of cancer disease. In this study we investigated plasma levels of selected metalloproteinase and its tissue inhibitor in comparison to plasma levels of the commonly accepted tumor markers (CA 125 and HE4) in selected histological types of epithelial ovarian cancer patients as compared to control groups: patients with a benign ovarian tumor and healthy subjects. Plasma levels of MMP-7 and TIMP-1 were determined using ELISA, CA 125 and HE4 - by CMIA methods...
June 29, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28658785/cystic-sertoli-leydig-cell-tumour-in-a-postmenopausal-woman-with-absent-virilising-symptoms-a-diagnostic-challenge
#12
Vidya Monappa, Saritha M Reddy, Ranjini Kudva, Muralidhar V Pai
A 60-year-old postmenopausal woman, presented with a left ovarian cystic mass with mildly elevated CA125 levels. An intraoperative frozen section showed oedematous ovarian stroma with interspersed large aggregates of spindle shaped stromal cells. Subsequently, the excised specimen was reported as Sertoli-Leydig Cell Tumour (SLCT) of intermediate differentiation. The leydig cells were identified in the imprint smears, but were misinterpreted as luteinized cells. The lack of tubular differentiated cells in frozen section had contributed to the misdiagnosis...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28658732/-good-s-syndrome-report-of-case
#13
Diana Andrea Herrera-Sánchez, José Israel León-Pedroza, María Eugenia Vargas-Camaño, María Isabel Castrejón-Vázquez
BACKGROUND: Good's syndrome is an association of thymoma and immunodeficiency. The symptoms are recurrent sinopulmonary infections in addition to the compressive side of thymoma. A laboratory finding is notable for the absence or decrease of B lymphocytes, hypogammaglobulinemia, inversion ratio CD4/CD8 and abnormal proliferative response to mitogens. CASE REPORT: Female, 49-year-old started five months earlier with lower limb edema, postprandial vomiting, dysphagia, chronic diarrhea and weight loss...
April 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/28657222/young-israeli-women-with-epithelial-ovarian-cancer-prevalence-of-brca-mutations-and-clinical-correlates
#14
Limor Helpman, Omri Zidan, Eitan Friedman, Sarit Kalfon, Tamar Perri, Gilad Ben-Baruch, Jacob Korach
OBJECTIVE: The current study investigates disease patterns and outcomes in young Israeli epithelial ovarian cancer (EOC) patients and their association with BRCA mutation status. METHODS: Consecutive EOC patients diagnosed at or below 50 years in a single institution between 1995-2011 were identified. All patients are referred for genetic counseling and testing for the predominant Jewish BRCA mutations: BRCA1-185delAG, BRCA1-5382insC, and BRCA2-6174delT. A comparison between BRCA mutation carriers and non-carriers was undertaken across demographic, pathologic, and clinical features; recurrence and survival were compared using the Kaplan-Meier method and associations with the variables of interest were analyzed using the Cox proportional hazards method...
June 5, 2017: Journal of Gynecologic Oncology
https://www.readbyqxmd.com/read/28639753/screening-for-ovarian-cancer-imaging-challenges-and-opportunities-for-improvement
#15
EDITORIAL
Kelsey B Mathieu, Deepak G Bedi, Sara L Thrower, Aliya Qayyum, Robert C Bast
The United Kingdom Collaborative Trial of Ovarian Cancer Screening (UKCTOCS) recently reported a reduction in the average overall mortality among ovarian cancer patients screened with an annual sequential, multimodal strategy that tracked biomarker CA125 over time, where increasing serum CA125 levels prompted ultrasound. However, multiple cases were documented wherein serum CA125 levels were rising, but ultrasound screens were normal, thus delaying surgical intervention. A significant factor which could contribute to false negatives is that many aggressive ovarian cancers are believed to arise from epithelial cells on the fimbriae of the fallopian tubes, which are not readily imaged...
June 22, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28639570/menorrhagia-and-uterine-volume-associated-with-lower-urinary-tract-symptoms-in-patients-with-adenomyosis
#16
Ting Li, Xiao-Xuan Xu, Yi Dai, Jun-Ji Zhang, Jing-He Lang, Jin-Hua Leng
BACKGROUND: Adenomyosis is a gynecological disorder with symptoms most presenting as dysmenorrhea and heavy menstrual bleeding. However, the presence of lower urinary tract symptoms (LUTS) among women with adenomyosis remains unclear. This study was designed to determine the prevalence of LUTS and factors related to the severity of these symptoms in this population. METHODS: From July 2016 to November 2016, a total of 298 untreated symptomatic adenomyosis patients and 280 age-matched controls were enrolled...
July 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28638252/evaluation-of-the-ki-67-proliferation-index-and-urocortin-expression-in-women-with-ovarian-endometriomas
#17
Serenat Eris Yalcin, Irfan Ocal, Yakup Yalcin, Halime Sen Selim, Melike Demir Caltekin, Huseyin Aydogmus, Sefa Kelekci
OBJECTIVE: The reasons why endometriosis is more aggressive and invasive in some patients are unknown. Despite the importance of population-based clinically defined risk factors in the prediction of recurrence, biochemical markers obtained from the patient are more valuable for prediction on an individual basis. Therefore, the discovery of significant potential biomarkers could be useful to clinicians for shedding light on the pathogenesis of endometriosis and in the monitoring recurrence...
June 2017: Eurasian Journal of Medicine
https://www.readbyqxmd.com/read/28637689/elevation-of-tp53-autoantibody-prior-to-ca125-in-preclinical-invasive-epithelial-ovarian-cancer
#18
Wei-Lei Yang, Aleksandra Gentry-Maharaj, Archana R Simmons, Andy Ryan, Evangelia O Fourkala, Zhen Lu, Keith A Baggerly, Yang Zhao, Karen Lu, David D L Bowtell, Ian Jacobs, Steven J Skates, Wei-Wu He, Usha Menon, Robert C Bast
Purpose: The TP53 tumor suppressor gene is mutated in >95% of high grade serous ovarian cancers. Detecting an autologous antibody response to TP53 might improve early detection. <p>Experimental design: An immunoassay was developed to measure TP53 autoantibody in sera from 378 cases of invasive epithelial ovarian cancer and in 944 age-matched healthy controls from the United States, Australia and the United Kingdom. Serial preclinical samples from cases and controls were also assayed from the UK Collaborative Trial of Ovarian Cancer Screening (UKCTOCS)...
June 21, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28637006/the-effect-of-ca125-on-metastasis-of-ovarian-cancer-old-marker-new-function
#19
Qin Yuan, Jiayin Song, Weiwei Yang, Hongyan Wang, Qianyu Huo, Jie Yang, Xiaoxu Yu, Yunde Liu, Chen Xu, Huijing Bao
CA125 has been used extensively to screen for neoplasms, especially in ovarian cancer. The serum CA125 level can be used as a better prognosis evaluation and it may dynamic monitoring the disease progression. We explored the effect of CA125 on ovarian cancer cell migration and its underlying mechanism. Transwell assays showed that exposure to 0.2 μg/ml or 0.4 μg/ml CA125 for 48 h increased migration of A2780 and OVCAR-3 ovarian cancer cells. This effect of CA125 was blocked addition of 200 ng/ml DKK-1, a Wnt pathway inhibitor...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28624692/preoperative-serum-levels-of-ykl-40-and-ca125-as-a-prognostic-indicators-in-patients-with-endometrial-cancer
#20
Beata Kotowicz, Malgorzata Fuksiewicz, Joanna Jonska-Gmyrek, Michal Wagrodzki, Maria Kowalska
OBJECTIVE: To evaluate the utility of YKL-40 and CA125 in endometrial cancer (EC) patients, and to determine their prognostic value in assessing the disease-free survival (DFS) and overall survival (OS). METHODS: We analyzed seventy-four EC patients, treated at a single institution and 25 healthy individuals. CA 125 serum level was evaluated in the Cobas 6000 system and YKL-40, using the ELISA method. RESULTS: Significantly increased serum level of YKL-40 and CA125 was in EC patients in FIGO I-IB when compared to healthy controls...
June 13, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
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