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Journal of Ovarian Research

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https://www.readbyqxmd.com/read/28931403/racial-health-disparities-in-ovarian-cancer-not-just-black-and-white
#1
REVIEW
Sanjeev K Srivastava, Aamir Ahmad, Orlandric Miree, Girijesh Kumar Patel, Seema Singh, Rodney P Rocconi, Ajay P Singh
Ovarian cancer (OC) is the most lethal gynecological malignancy, which disproportionately affects African American (AA) women. Lack of awareness and socioeconomic factors are considered important players in OC racial health disparity, while at the same time, some recent studies have brought focus on the genetic basis of disparity as well. Differential polymorphisms, mutations and expressions of genes have been reported in OC patients of diverse racial and ethnic backgrounds. Combined, it appears that neither genetic nor the socioeconomic factors alone might explain the observed racially disparate health outcomes among OC patients...
September 21, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28927438/activated-ovarian-endothelial-cells-promote-early-follicular-development-and-survival
#2
Alon Kedem, Anate Aelion-Brauer, Peipei Guo, Duancheng Wen, Bi-Sen Ding, Raphael Lis, Du Cheng, Vladislav M Sandler, Shahin Rafii, Zev Rosenwaks
BACKGROUND: New data suggests that endothelial cells (ECs) elaborate essential "angiocrine factors". The aim of this study is to investigate the role of activated ovarian endothelial cells in early in-vitro follicular development. METHODS: Mouse ovarian ECs were isolated using magnetic cell sorting or by FACS and cultured in serum free media. After a constitutive activation of the Akt pathway was initiated, early follicles (50-150 um) were mechanically isolated from 8-day-old mice and co-cultured with these activated ovarian endothelial cells (AOEC) (n = 32), gel (n = 24) or within matrigel (n = 27) in serum free media for 14 days...
September 19, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28923080/prognostic-analysis-for-chinese-patients-with-stage-i-ovarian-endometrioid-carcinoma
#3
Yu Zhao, Shu Wang, Yi-Min Qu, Yu-Ting Ji, Keng Shen, Jing He Lang
BACKGROUND: This study aimed to identify the clinical and pathological characteristics and the possible prognostic factors for Chinese patients with early-stage ovarian endometrioid carcinoma. METHODS: The present study reviewed the medical records of patients who received initial treatment and a postoperative pathological diagnosis of ovarian endometrioid carcinoma at our center. In all, 78 patients had stage I ovarian endometrioid carcinoma. RESULTS: In this series, the 5-year overall survival rate and 5-year disease-free survival (DFS) rates of patients with stage I ovarian endometrioid carcinoma was 98...
September 18, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28915843/protective-effects-of-gaba-against-metabolic-and-reproductive-disturbances-in-letrozole-induced-polycystic-ovarian-syndrome-in-rats
#4
Asad Ullah, Sarwat Jahan, Suhail Razak, Madeeha Pirzada, Hizb Ullah, Ali Almajwal, Naveed Rauf, Tayyaba Afsar
BACKGROUND: PCOs is a heterogeneous disorder with anovulation/oligo ovulation usually taken as oligo menorrhoea or amenorrhoea, hyperandrogenemia, hirsutism, acne, androgen alopecia and polycystic ovaries as the key diagnostic feathers. The study was undertaken to investigate the possible protective and ameliorating effects of GABA in Letrozole induced PCOS model in rats by targeting insulin resistance. METHODS: PCOs in Adult female rat was induced by the daily gastric administration of letrozole (1 mg/kg/day) in CMC (0...
September 15, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28915830/biological-effects-of-combined-resveratrol-and-vitamin-d3-on-ovarian-tissue
#5
Francesca Uberti, Vera Morsanuto, Silvio Aprile, Sabrina Ghirlanda, Ian Stoppa, Andrea Cochis, Giorgio Grosa, Lia Rimondini, Claudio Molinari
BACKGROUND: Resveratrol (3,5,4'-trihydroxy-trans-stilbene) is a natural antioxidant polyphenol able to exert a wide range of biological effect on several tissues. Despite its important beneficial properties, it has a low water solubility, which limits its therapeutic applications in humans. Resveratrol also acts as a phytoestrogen that modulates estrogen receptor (ER)-mediated transcription. In addition, it has been shown that ovarian tissues benefit greatly from vitamin D3, which exerts its beneficial effects through VDR receptors...
September 15, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28899430/the-aberrant-upstream-pathway-regulations-of-cdk1-protein-were-implicated-in-the-proliferation-and-apoptosis-of-ovarian-cancer-cells
#6
Ruitao Zhang, Huirong Shi, Fang Ren, Minghui Zhang, Pengcheng Ji, Wenwen Wang, Chuanna Liu
BACKGROUND: Upregulation of Cyclin dependent kinase 1 (CDK1) protein is closely related with the prognosis of several malignant tumors. Chk1-CDC25C-CDK1 signaling and P53-P21WAF1-CDK1 signaling pathways are closely related with the cell cycle G2/M phase regulation. The present study aimed to analyze the relationship between CDK1 and the proliferation and apoptosis of ovarian cancer cells, investigate its molecular mechanism preliminarily. METHODS: The specific short-hair RNA (shRNA) plasmids and negative control plasmid of CDK1, checkpoint kinase 1 (CHK1) and p53 genes were transfected into ovarian cancer SK-OV-3 and OVCAR-3 cells respectively...
September 12, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28893324/selecting-treatment-method-for-ovarian-masses-in-children-24%C3%A2-years-of-experience
#7
Justyna Łuczak, Maciej Bagłaj
BACKGROUND: Epidemiology and pathology of ovarian tumors in the pediatric population are very different of these encountered in women. Few attempts have been made to analyze the whole spectrum of ovarian pathology in children, and only some of them included series of more than 200 cases. We performed a retrospective analysis of clinical and diagnostic aspects of ovarian tumors and tumor-like lesions in girls in order to identify the characteristics associated with malignancy with an attempt to elaborate a clinical management algorithm...
September 11, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28830564/availability-of-healthcare-resources-and-epithelial-ovarian-cancer-stage-of-diagnosis-and-mortality-among-blacks-and-whites
#8
Swati Sakhuja, Huifeng Yun, Maria Pisu, Tomi Akinyemiju
BACKGROUND: The purpose of this study is to examine whether racial disparities in epithelial ovarian cancer stage at diagnosis and survival may be explained by geographic availability of healthcare resources among Blacks and Whites. METHODS: Data from the Surveillance, Epidemiology and End Results (SEER) database was used to identify White and Black women ages 40 years and above diagnosed with epithelial ovarian cancer between 2000 and 2010. Data on county-level availability of healthcare resources was obtained from the Area Resource File...
August 22, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28814333/rapamycin-prevents-cyclophosphamide-induced-over-activation-of-primordial-follicle-pool-through-pi3k-akt-mtor-signaling-pathway-in-vivo
#9
Linyan Zhou, Yanqiu Xie, Song Li, Yihua Liang, Qi Qiu, Haiyan Lin, Qingxue Zhang
BACKGROUND: Primordial follicular depletion has thought to be a common adverse effect of chemotherapy especially for female of reproductive age. The study aimed to evaluate the protective effect of rapamycin on the primordial follicles and its potential mechanism for patients receiving chemotherapy. METHODS: 8-week old BALB/c female mice were randomly assigned into four groups (control; rapamycin; cyclophosphamide; and rapamycin combined with cyclophosphamide). Hematoxylin staining, immunohistochemical, TUNEL, western blotting and ELISA were employed to assess inter-group differences using Student's t-test and Mann-Whitney test...
August 16, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28806987/a-prospective-study-to-evaluate-the-risk-malignancy-index-and-its-diagnostic-implication-in-patients-with-suspected-ovarian-mass
#10
Santosh Kumar Dora, Atal Bihari Dandapat, Benudhar Pande, Jatindra Prasad Hota
BACKGROUND: There is no universal screening method for discrimination between benign and malignant adnexal masses yet. Various authors have tried tumor markers, imaging studies, cytology but no one yet is a definite method for screening of cancer ovary, for which a combined diagnostic modality has come to practice in form of RMI. With this background we conducted our study "Evaluation of risk malignancy index and its diagnostic value in patients with adnexal masses". METHODS: The aim of the study was to determine the effectiveness of risk of malignancy index (RMI-3) in preoperative discrimination between benign and malignant masses and also to reveal the most suitable cut off value...
August 14, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28789706/small-leucine-rich-proteoglycans-slrps-in-the-endometrium-of-polycystic-ovary-syndrome-women-a-pilot-study
#11
Ricardo Santos Simões, José Maria Soares-Jr, Manuel J Simões, Helena B Nader, Maria Cândida P Baracat, Gustavo Arantes R Maciel, Paulo C Serafini, Ricardo Azziz, Edmund C Baracat
BACKGROUND: Small leucine-rich proteoglycans (SLRPs) play an important role in tissue homeostasis and cell proliferation since these proteoglycans sequester multiple growth factors. However, the content of SLRPs in the endometrium of polycystic ovary syndrome (PCOS) women is unknown. Our purpose was to test the hypothesis that excessive endometrial proliferation in PCOS may be partly related to abnormalities in SLRPs. METHODS: In a cross section study a total of 20 endometrial samples were collected from 10 patients with PCOS and 10 ovulatory women during their proliferative (pre-ovulatory) phase...
August 8, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28784174/early-and-consistent-overexpression-of-adrm1-in-ovarian-high-grade-serous-carcinoma
#12
Rosie T Jiang, Anna Yemelyanova, Deyin Xing, Ravi K Anchoori, Jun Hamazaki, Shigeo Murata, Jeffrey D Seidman, Tian-Li Wang, Richard B S Roden
BACKGROUND: Ovarian carcinoma is highly dependent on the ubiquitin proteasome system (UPS), but its clinical response to treatment with the proteasome inhibitor bortezomib has been disappointing. This has driven exploration of alternate approaches to target the UPS in ovarian cancer. Recently, proteasome inhibitors targeting the 19S regulatory particle-associated RPN13 protein have been described, such as RA190. RPN13, which is encoded by ADRM1, facilitates the recognition by the proteasome of its polyubiquinated substrates...
August 7, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28750644/a-retrospective-study-of-reproductive-outcomes-after-fertility-sparing-surgery-and-postoperative-adjuvant-chemotherapy-in-malignant-ovarian-germ-cell-tumors-and-sex-cord-stromal-tumors
#13
Ning Zhang, Ruifang Chen, Keqin Hua, Ying Zhang
BACKGROUND: To retrospectively investigate reproductive outcomes after fertility-sparing surgery and postoperative adjuvant chemotherapy in malignant ovarian germ cell tumors (MOGCT) and sex cord-stromal tumors (SCST). METHODS: Data from 32 MOGCT (6 dysgerminomas, 6 yolk sac tumors, 17 immature teratomas, and 3 mixed germ cell tumors) and 9 SCST (4 granulosa cell tumors and 5 sertoli-leydig cell tumors) aged from 18 to 35, treated in the Obstetrics and Gynecology Hospital of Fudan University from October 2003 to October 2013 were collected and analyzed...
July 27, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28743298/r-spondin2-a-novel-target-of-nobox-identification-of-variants-in-a-cohort-of-women-with-primary-ovarian-insufficiency
#14
Justine Bouilly, Isabelle Beau, Sara Barraud, Valérie Bernard, Brigitte Delemer, Jacques Young, Nadine Binart
BACKGROUND: R-spondin2 (Rspo2) is a secreted agonist of the canonical Wnt/β-catenin signaling pathway. Rspo2 plays a key role in development of limbs, lungs and hair follicles, and more recently during ovarian follicle development. Rspo2 heterozygous deficient female mice become infertile around 4 months of age mimicking primary ovarian insufficiency (POI). The study aimed to investigate the regulation of RSPO2 and its potential involvement in pathophysiology of POI. METHODS: We cloned the RSPO2 promoter and performed transcriptional assays to determine if RSPO2 can be regulated by NOBOX, an ovarian transcription factor...
July 25, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28743276/suppressing-mir-199a-3p-by-promoter-methylation-contributes-to-tumor-aggressiveness-and-cisplatin-resistance-of-ovarian-cancer-through-promoting-ddr1-expression
#15
Yuao Deng, Fang Zhao, Liu Hui, Xiuyun Li, Danyu Zhang, Wang Lin, Zhiqiang Chen, Yingxia Ning
BACKGROUND: Discoidin Domain Receptor 1 (DDR1) belongs to the family of collagen receptor tyrosine kinases that confers the progression of various cancers. Aberrant expression of DDR1 was detected in several human cancers including ovarian cancer, which had been shown to increase the migration and invasion of tumor cells. However, the precise mechanisms underlying the abnormal expression of DDR1 in ovarian cancer has not been well investigated in previous studies. RESULTS: In this work, a negative correlation between DDR1 and a tumor suppressor miRNA, miR-199a-3p, was observed in ovarian cancer tissues...
July 25, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28738876/enterolactone-has-stronger-effects-than-enterodiol-on-ovarian-cancer
#16
Huidi Liu, Jianrui Liu, Siwen Wang, Zheng Zeng, Ting Li, Yongfang Liu, Emilio Mastriani, Qing-Hai Li, Hong-Xia Bao, Yu-Jie Zhou, Xiaoyu Wang, Sijing Hu, Shan Gao, Yingying Qi, Zhihang Shen, Hongyue Wang, Miao Yu, Tingting Gao, Randal N Johnston, Shu-Lin Liu
BACKGROUND: Ovarian cancer is one of the three leading gynecological malignancies, characterized by insidious growth, highly frequent metastasis, and quick development of drug resistance. As a result, this disease has low 5-year survival rates. Estrogen receptor inhibitors were commonly used for the treatment, but only 7% to 18% of patients respond to anti-estrogen therapies. Therefore, more effective therapies to inhibit estrogen-related tumors are urgently needed. Recently, phytoestrogens, such as lignans with estrogen-like biological activities, have attracted attention for their potential effects in the prevention or treatment of estrogen-related diseases...
July 24, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28738842/ovarian-preservation-in-adenocarcinoma-of-the-uterine-cervix
#17
Jiansong Zhou, Yuanyuan Chen, Ping Zhang, Hanmei Lou
BACKGROUND: An upward trending incidence in cervical adenocarcinoma (ADC) has been reported in many countries. Because non-squamous histology has been associated with increased risk of ovarian metastases (OM), bilateral oophorectomy is commonly performed for ADC without due consideration for ovarian preservation, degrading the quality of life for young premenopausal patients. METHODS: Subjects were patients with International Federation of Gynecology and Obstetrics (FIGO) stage I-IIB cervical ADC who underwent radical hysterectomy, including pelvic lymphadenectomy and bilateral salpingo-oophorectomy at our institution between Oct...
July 24, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28728581/a-gestational-choriocarcinoma-of-the-ovary-diagnosed-by-dna-polymorphic-analysis-a-case-report-and-systematic-review-of-the-literature
#18
Nan Jia, Yan Chen, Xiang Tao, Enzhi Ou, Xin Lu, Weiwei Feng
BACKGROUND: Choriocarcinoma of the ovary is rare. This tumor can arise from gestational tissue or pure germ cells of the ovary, the former results in gestational choriocarcinoma. The clinical characteristics and histology of both tumor types are identical, differentiation of these tumors is necessary for effective treatment. One strategy for the differentiation of these tumors types is to identify the presence of paternal DNA by DNA polymorphic analysis. CASE PRESENTATION: In the present case, a 27-year-old patient with a history of amenorrhea, lower abdominal pain and vaginal bleeding received a laparoscopic dissection of cystic mass of the right ovary according to an initial diagnosis of ectopic pregnancy...
July 20, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28728562/low-oxygen-tension-increases-mitochondrial-membrane-potential-and-enhances-expression-of-antioxidant-genes-and-implantation-protein-of-mouse-blastocyst-cultured-in-vitro
#19
Yun-Yi Ma, Huei-Wen Chen, Chii-Ruey Tzeng
BACKGROUND: In human IVF, embryos cultured with a lower O2 tension (5%) can give rise to higher success rates when compared with normoxic conditions (20%). However, the mechanisms behind the beneficial effects of reduced oxygen tension in embryogenesis remain unclear. The aim of this study was to evaluate the expression of oxygen related and antioxidant genes and mitochondrial function in mouse embryo cultured under hypoxic and normoxic conditions, to investigate the beneficial effect of low oxygen tension in preimplantation embryogenesis...
July 20, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28716151/predictive-factors-of-ovarian-carcinoma-for-women-with-ovarian-endometrioma-aged-45%C3%A2-years-and-older-in-china
#20
Zheng-Xing He, Hong-Hui Shi, Qing-Bo Fan, Lan Zhu, Jin-Hua Leng, Da-Wei Sun, Zhan-Fei Li, Keng Shen, Shu Wang, Jing-He Lang
BACKGROUND: To explore the risk factors of endometriosis-associated ovarian cancer (EAOC) in women with ovarian endometriosis (OEM) aged 45 years and above in China. METHODS: This study reviewed the medical records of 1038 women in total who were aged 45 years and above, surgical-pathologically diagnosed with ovarian endometriosis, and were treated at Peking Union Medical College Hospital between December 1996 and December 2016. Histology evaluation was used to determine whether the ovarian endometriosis specimen was with (n = 30) or without (n = 1008) ovarian cancer...
July 17, 2017: Journal of Ovarian Research
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