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poor ovarian response

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https://www.readbyqxmd.com/read/28454413/na7crcuw11o39-16h2o-induces-apoptosis-in-human-ovarian-cancer-skov3-cells-through-the-p38-signaling-pathway
#1
Hai-Ying Liu, Xiu-Li Pan, Jia-Nan Tian, Hui Sun, Qing Huan, Yu-Ling Huang, Jian-Qiao Liu
Ovarian carcinoma is a common malignant disease worldwide with a poor therapeutic response. The present study investigated the effects of Na7CrCuW11O39.16H2O (CrCuW11) on ovarian cancer cell growth and investigated the mechanisms underlying its actions. The effects of CrCuW11 on cell viability and apoptosis were measured by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay, acridine orange/ethidium bromide staining and electron microscopy in human ovarian cancer SKOV3 cells. The expression of bcl-2-like protein 4 (Bax), B-cell lymphoma 2 (Bcl-2), cytochrome c, phosphorylated (p)-p38 and p38 was determined by western blot analysis...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28447195/salivary-mir-16-mir-191-and-mir-223-intuitive-indicators-of-dominant-ovarian-follicles-in-buffaloes
#2
Prashant Singh, Naresh Golla, Pankaj Singh, Vijay Simha Baddela, Subhash Chand, Rubina Kumari Baithalu, Dheer Singh, Suneel Kumar Onteru
Estrus or sexual receptivity determination is utmost important for efficient breeding programs for female buffaloes. Prominent estrus behavioral symptoms are the result of several molecular and neuroendocrine events involving the ovary and the brain. Expression of estrus behavior is poor in buffaloes during the summer season. Hence, the discovery of biomarkers specific to the estrus stage or its related ovarian events, like the presence of dominant ovarian follicle, is helpful for developing an easy estrus determination method...
April 26, 2017: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/28427435/prohibitin-targeting-peptide-coupled-to-ovarian-cancer-luteinization-and-tgf-%C3%AE-pathways
#3
Nour M El-Etreby, Amany A Ghazy, Radwaa Rashad
BACKGROUND: Ovarian epithelial tumor (OET) is a silent disease of late diagnosis and poor prognosis. Currently treatment options are limited and patient response to treatment is difficult to predict so there is a serious need to delineate the real pathogenesis to predict tumour prognosis. Prohibitin (PHB) is an evolutionarily protein that regulates the cell cycle. TGF-β has been shown to be a positive and negative regulator of cellular proliferation and differentiation. The present study provides an overview on the role played by PHB1, TGF-β and LH in ovarian cancer...
April 20, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28426619/committee-opinion-no-698-hormone-therapy-in-primary-ovarian-insufficiency
#4
(no author information available yet)
Primary ovarian insufficiency describes a spectrum of declining ovarian function and reduced fecundity due to a premature decrease in initial follicle number, an increase in follicle destruction, or poor follicular response to gonadotropins. The sequelae of primary ovarian insufficiency include vasomotor symptoms, urogenital atrophy, osteoporosis and fracture, cardiovascular disease, and increased all-cause mortality. In women with primary ovarian insufficiency, systemic hormone therapy (HT) is an effective approach to treat the symptoms of hypoestrogenism and mitigate long-term health risks if there are no contraindications to treatment...
May 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28426614/committee-opinion-no-698-summary-hormone-therapy-in-primary-ovarian-insufficiency
#5
(no author information available yet)
Primary ovarian insufficiency describes a spectrum of declining ovarian function and reduced fecundity due to a premature decrease in initial follicle number, an increase in follicle destruction, or poor follicular response to gonadotropins. The sequelae of primary ovarian insufficiency include vasomotor symptoms, urogenital atrophy, osteoporosis and fracture, cardiovascular disease, and increased all-cause mortality. In women with primary ovarian insufficiency, systemic hormone therapy (HT) is an effective approach to treat the symptoms of hypoestrogenism and mitigate long-term health risks if there are no contraindications to treatment...
May 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28423573/involvement-of-af1q-mllt11-in-the-progression-of-ovarian-cancer
#6
Paola Tiberio, Ludmila Lozneanu, Valentina Angeloni, Elena Cavadini, Patrizia Pinciroli, Maurizio Callari, Maria Luisa Carcangiu, Domenica Lorusso, Francesco Raspagliesi, Valentina Pala, Maria Grazia Daidone, Valentina Appierto
The functional role of AF1q/MLLT11, an oncogenic factor involved in a translocation t(1;11)(q21;q23) responsible for acute myeloid leukaemia, has been investigated in hematological and solid malignancies and its expression was found to be linked to tumor progression and poor clinical outcome. In addition to its oncogenic function, AF1q has been shown to play a role in the onset of basal and drug-induced apoptosis in cancer cells of different histotypes, including ovarian cancer. Through in vitro, ex vivo, and in silico approaches, we demonstrated here that AF1q is also endowed with protumorigenic potential in ovarian cancer...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28421902/the-role-of-ovarian-reserve-markers-in-prediction-of-clinical-pregnancy
#7
Ali G Zebitay, Orkun Cetin, Fatma F Verit, Seda Keskin, M Nafi Sakar, Sercin Karahuseyinoglu, Gulsah Ilhan, Sezai Sahmay
To evaluate the role of ovarian reserve markers in the prediction of clinical pregnancy and embryo transfer accomplishment among poor responder IVF applicants. 304 female poor responder IVF applicants were included in this prospective cohort study conducted at the IVF-unit. Antral follicle count, FSH, LH, E2, AMH and IVF outcomes were compared in pregnant and non-pregnant groups as well as in ET vs. non-ET groups. The number of retrieved oocytes was significantly correlated positively with AMH and AFC, and negatively with FSH and age...
May 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28420510/gene-set-based-analysis-of-mucinous-ovarian-carcinoma
#8
Chia-Ming Chang, Peng-Hui Wang, Huann-Cheng Horng
OBJECTIVE: Mucinous ovarian carcinoma (MOC) is an uncommon subtype of epithelial ovarian cancers, and the pathogenesis is still poorly understood because of its rarity. We conducted a gene set-based analysis to investigate the pathogenesis of MOC by integrating microarray gene expression datasets based on the regularity of functions defined by gene ontology or canonical pathway databases. MATERIALS AND METHODS: Forty-five pairs of MOC and normal ovarian tissue sample gene expression profiles were downloaded from the National Center for Biotechnology Information Gene Expression Omnibus database...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28420503/age-is-a-major-prognosticator-in-extremely-low-oocyte-retrieval-cycles
#9
Yu-Ting Su, Pin-Yao Lin, Fu-Jen Huang, Fu-Tsai Kung, Yu-Ju Lin, Yi-Ru Tsai, Kuo-Chung Lan
OBJECTIVE: Clinical prognosis appears to be varied in females with poor ovarian response (POR), and poor responders defined by the Bologna criteria might not be sufficiently homogeneous. The aim of this study was to determine the major predictor of reproductive outcomes in extremely low oocyte retrieval cycles. MATERIALS AND METHODS: A cohort of fresh in vitro fertilization/intracytoplasmic sperm injection cycles (n = 858) was analyzed from January 2001 to September 2014...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28405122/evaluation-of-dehydroepiandrosterone-supplementation-on-diminished-ovarian-reserve-a-randomized-double-blinded-placebo-controlled-study
#10
Rachna Agarwal, R Shruthi, Gita Radhakrishnan, Alpana Singh
INTRODUCTION: We conducted a randomized, double-blinded, placebo-controlled study, to evaluate the effect of dehydroepiandrosterone (DHEA), on diminished ovarian reserve (DOR). MATERIALS AND METHODS: Twenty patients with DOR received DHEA (oral 25 mg three times a day). Post-supplementation 12 weeks, D2/3 age-specific follicle-stimulating hormone (FSH), anti-mullerian hormone (AMH) levels, and antral follicle count (AFC), were repeated to evaluate response. Spontaneous pregnancy rates and regularization of menstrual cycles were also studied as secondary outcome...
April 2017: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/28404605/proteomics-analysis-identifies-orthologs-of-human-chitinase-like-proteins-as-inducers-of-tube-morphogenesis-defects-in-drosophila
#11
Sandra G Zimmerman, Gennifer E Merrihew, Michael J MacCoss, Celeste A Berg
Elevated levels of human chitinase-like proteins (CLPs) are associated with numerous chronic inflammatory diseases and several cancers, often correlating with poor prognosis. Nevertheless, there is scant knowledge of their function. The CLPs normally mediate immune responses and wound healing, and when upregulated, they can promote disease progression by remodeling tissue, activating signaling cascades, stimulating proliferation and migration, and by regulating adhesion. We identified Imaginal disc growth factors (Idgfs), orthologs of human CLPs CHI3L1, CHI3L2, and OVGP1, in a proteomics analysis designed to discover factors that regulate tube morphogenesis in a Drosophila melanogaster model of tube formation...
April 12, 2017: Genetics
https://www.readbyqxmd.com/read/28393092/hormonal-based-treatment-of-ovarian-anaplastic-ependymoma-with-anastrozole
#12
Justin Wayne Gorski, Jolyn Sharpe Taylor, Jing Zhang, Jinsong Liu, Amir Anthony Jazaeri
OBJECTIVE: Ovarian anaplastic ependymoma is a rare gynecologic malignancy that poses diagnostic and treatment challenges. Treatment of sub-optimally debulked disease usually portends poor prognosis. Molecular testing of tumor specimen can identify more specific targets for additional therapy such as estrogen and progesterone receptors (ER/PR). CASE: A 29-year-old woman presented with incidental finding of large bilateral adnexal masses and elevated CA 125. Biopsy proved anaplastic ovarian ependymoma with high ER/PR expression...
May 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28392127/ny-eso-1-expression-predicts-an-aggressive-phenotype-of-ovarian-cancer
#13
J Brian Szender, Antonios Papanicolau-Sengos, Kevin H Eng, Anthony J Miliotto, Amit A Lugade, Sacha Gnjatic, Junko Matsuzaki, Carl D Morrison, Kunle Odunsi
OBJECTIVES: NY-ESO-1 is a cancer testis antigen and a promising target for immunotherapy. The purpose of this study was to determine the expression frequency, immunogenicity, and clinical impact of NY-ESO-1 in ovarian cancer. METHODS: Immunohistochemistry (IHC), reverse-transcription polymerase chain reaction (RT-PCR), and quantitative-PCR (qRT-PCR) were utilized in an ovarian cancer (including Fallopian tube and primary peritoneal cancers) patient cohort; humoral responses against NY-ESO-1 were determined by ELISA...
April 6, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28388557/ercc1-expressing-circulating-tumor-cells-as-a-potential-diagnostic-tool-for-monitoring-response-to-platinum-based-chemotherapy-and-for-predicting-post-therapeutic-outcome-of-ovarian-cancer
#14
Issam Chebouti, Jan Dominik Kuhlmann, Paul Buderath, Stephan Weber, Pauline Wimberger, Yvonne Bokeloh, Siegfried Hauch, Rainer Kimmig, Sabine Kasimir-Bauer
BACKGROUND: We recently showed that the presence of ERCC1+CTCs is an independent predictive biomarker for platinum-resistance and poor prognosis of ovarian cancer. The goal of our current research was to determine how the auxiliary assessment of ERCC1-transcripts influences overall CTC-detection rate. We extended this investigation from an initially predictive setting to paired pre- and post-therapeutic blood analysis in order to see, whether ERCC1+CTCs dynamics mirror response to chemotherapy...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28382796/inhibition-of-autophagy-protein-lc3a-as-a-therapeutic-target-in-ovarian-clear-cell-carcinomas
#15
Morikazu Miyamoto, Masashi Takano, Tadashi Aoyama, Hiroaki Soyama, Tomoyuki Yoshikawa, Hitoshi Tsuda, Kenichi Furuya
OBJECTIVE: Ovarian clear cell carcinoma (CCC) is one of histological subtypes showing poor prognosis due to chemoresistance. The association of autophagy-related proteins and clinical implementation in CCC has not been determined. METHODS: The present study investigated whether expression of autophagy-related protein, light chain 3A (LC3A), was related with prognoses in the patients with CCC using immuno-histochemical stainings, and whether inhibition of autophagy modified the sensitivity to cisplatin in CCC cells in vitro...
May 2017: Journal of Gynecologic Oncology
https://www.readbyqxmd.com/read/28376831/let-7e-sensitizes-epithelial-ovarian-cancer-to-cisplatin-through-repressing-dna-double-strand-break-repair
#16
Man Xiao, Jing Cai, Liqiong Cai, Jinghui Jia, Lisha Xie, Ying Zhu, Bangxing Huang, Dongdong Jin, Zehua Wang
BACKGROUND: Resistance to platinum-based chemotherapy remains a great challenge for ovarian cancer treatment. The human let-7 family contains 13 members located on nine different chromosomes, and most members have been implicated in the modulation of drug sensitivity in cancers. Our previous study showed that deregulation of let-7e in epithelial ovarian cancer (EOC) promoted the development of resistance to cisplatin. In the present study, we aimed to investigate the underlying mechanism and further evaluate the clinical value of let-7e in predicting chemo-response and prognosis in EOC...
April 4, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28368802/-poor-responders-how-could-we-improve-our-results
#17
M Duport Percier, T Anahory, N Ranisavljevic, S Bringer-Deutsch
OBJECTIVES: Finding an efficient treatment for poor responders still poses a tremendous challenge for assisted reproductive technology. In 2011, an international consensus has been reached in Bologna on how to standardize the definition of poor ovarian response (POR) in a simple and reproducible manner. This article provides an objective assessment of the different treatment options currently available. METHODS: A search of the database PUBMED was carried out for studies published in English between October 2000 and April 2016...
February 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/28367736/expression-of-wt1-and-pax8-in-the-epithelial-tumours-of-malaysian-women-with-ovarian-cancer
#18
Anthony Rhodes, Narayanan Vallikkannu, Pailoor Jayalakshmi
BACKGROUND: Ovarian cancer is particularly lethal due to late stage at presentation. The subtypes behave differently with respect to their biology and response to treatment. Two recent markers reported to be useful in assisting in the diagnosis are WT1 and PAX8. Malaysia, with its multi-ethnic population provides an opportunity to study the expression of these biomarkers in ovarian cancer in the three most populous ethnicities in Asia and ascertain their usefulness in the diagnosis of ovarian carcinoma...
April 2017: British Journal of Biomedical Science
https://www.readbyqxmd.com/read/28367303/follicle-stimulating-hormone-and-anti-m%C3%A3-llerian-hormone-among-fertile-and-infertile-women-in-ile-ife-nigeria-is-there-a-difference
#19
Temitope Okunola, Kayode Olusegun Ajenifuja, Olabisi Morebise Loto, Afolabi Salawu, Stephen Oluseyi Omitinde
BACKGROUND: Reduced ovarian reserve predicts poor ovarian response and poor suc- cess rates in infertile women who undergo assisted reproductive technology (ART). Ovarian reserve also decreases with age but the rate of decline varies from one woman to another. This study aims to detect differences in ovarian reserve as measured by basal serum follicle stimulating hormone (FSH) and anti-Müllerian hormone (AMH) between a matched cohort of fertile and infertile regularly menstruating women, 18-45 years of age...
April 2017: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/28366519/live-birth-rates-in-various-subgroups-of-poor-ovarian-responders-fulfilling-the-bologna-criteria
#20
Gurkan Bozdag, Mehtap Polat, Irem Yarali, Hakan Yarali
The European Society of Human Reproduction and Embryology published Bologna criteria to generate a definition of poor ovarian responders (PORs). However, there are few data on whether PORs are homogenous for ovarian response or live birth rates (LBRs). In this retrospective study, 821 patients fulfilling Bologna criteria and undergoing intracytoplasmic sperm injection were stratified into four groups: Group A: female age ≥40 with a previous poor response (cycle cancelled or ≤3 oocytes) (105 patients, 123 cycles); Group B: female age ≥40 with an antral follicle count (AFC) < 7 (159 patients, 253 cycles); Group C: AFC <7 with a previous poor response (350 patients, 575 cycles); and Group D: female age ≥40 with an AFC <7 and previous poor response (207 patients, 306 cycles)...
March 21, 2017: Reproductive Biomedicine Online
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