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https://www.readbyqxmd.com/read/30114318/selection-of-small-plasma-peptides-for-the-auxiliary-diagnosis-and-prognosis-of-epithelial-ovarian-cancer-by-using-uplc-ms-based-non-targeted-and-targeted-analyses
#1
Xin Lu, Yiqun Li, Bairong Xia, Yunfan Bai, Kun Zhang, Xiaohan Zhang, Hongyu Xie, Fengyu Sun, Yan Hou, Kang Li
Epithelial ovarian cancer (EOC) is the leading cause of gynecologic cancer-related death due to its non-specific characteristics compared to benign cases and poor prognosis after conventional therapies. Small peptides (SPs) demonstrated to have potential for diagnosis and prognosis were focused on in this study for the discovery of biomarkers that address these issues. Metabolic profiles of fifteen SPs, including nine dipeptides and six tripeptides were acquired from plasma samples of 140 EOC and 158 benign ovarian tumor (BOT) patients...
August 16, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/30094760/respirometric-reserve-capacity-of-cumulus-cell-mitochondria-correlates-with-oocyte-maturity
#2
Sharon H Anderson, Michael J Glassner, Andrey Melnikov, Gary Friedman, Zulfiya Orynbayeva
PURPOSE: Oocyte competence is critical in success of assisted reproduction. Metabolic signaling between oocyte and cumulus cells within the cumulus-oocyte complex procure oocyte development. This study evaluated the relationship between respirometric activity of cumulus cells and maturity of corresponding oocytes. METHODS: In prospective cohort study, 20 women of age 28-42 undergoing IVF procedure were involved. To evaluate oocyte maturity, the cumulus cells from individual oocytes were assessed flow cytometrically by double labeling of cells with mitochondria specific dyes...
August 9, 2018: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/30089444/exploring-the-ovarian-reserve-within-health-parameters-a-latent-class-analysis
#3
Theresa M Hardy, Mauricio Garnier-Villarreal, Donna O McCarthy, Richard A Anderson, Rebecca M Reynolds
The process of ovarian aging is influenced by a complex and poorly understood interplay of endocrine, metabolic, and environmental factors. The purpose of this study was to explore the feasibility of using latent class analysis to identify subgroups based on cardiometabolic, psychological, and reproductive parameters of health and to describe patterns of anti-Müllerian hormone levels, a biomarker of the ovarian reserve, within these subgroups. Sixty-nine lean (body mass index [BMI] ⩽ 25 kg/m2 ) and severely obese (BMI ⩾ 40 kg/m2 ) postpartum women in Edinburgh, Scotland, were included in this exploratory study...
August 9, 2018: Western Journal of Nursing Research
https://www.readbyqxmd.com/read/30085138/preimplantation-genetic-testing-for-aneuploidy-by-microarray-analysis-of-polar-bodies-in-advanced-maternal-age-a-randomized-clinical-trial
#4
Willem Verpoest, Catherine Staessen, Patrick M Bossuyt, Veerle Goossens, Gheona Altarescu, Maryse Bonduelle, Martha Devesa, Talia Eldar-Geva, Luca Gianaroli, Georg Griesinger, Georgia Kakourou, Georgia Kokkali, Jana Liebenthron, Maria-Cristina Magli, Monica Parriego, Andreas G Schmutzler, Monica Tobler, Katrin van der Ven, Joep Geraedts, Karen Sermon
STUDY QUESTION: Does preimplantation genetic testing for aneuploidy (PGT-A) by comprehensive chromosome screening (CCS) of the first and second polar body to select embryos for transfer increase the likelihood of a live birth within 1 year in advanced maternal age women aged 36-40 years planning an ICSI cycle, compared to ICSI without chromosome analysis? SUMMARY ANSWER: PGT-A by CCS in the first and second polar body to select euploid embryos for transfer does not substantially increase the live birth rate in women aged 36-40 years...
August 6, 2018: Human Reproduction
https://www.readbyqxmd.com/read/30051938/myths-and-methodologies-reducing-scientific-design-ambiguity-in-studies-comparing-sexes-and-or-menstrual-cycle-phases
#5
Stacy T Sims, Alison K Heather
NEW FINDINGS: What is the topic of this review? We review methodological considerations for the inclusion of women in sex and menstrual cycle phase comparison studies. What advances does it highlight? Improving the methodological design for studies exploring sex differences, menstrual cycle phase differences and/or endogenous versus exogenous female sex hormones will help to close the gap in our understanding of the effects of endogenous and exogenous hormones on exercise science and sports medicine outcomes...
July 27, 2018: Experimental Physiology
https://www.readbyqxmd.com/read/30016431/ovarian-response-is-associated-with-anogenital-distance-in-patients-undergoing-controlled-ovarian-stimulation-for-ivf
#6
F Fabregues, I González-Foruria, J Peñarrubia, F Carmona
STUDY QUESTION: Is the length of the anogenital distance (AGD) a biomarker of ovarian reserve and response to controlled ovarian stimulation (COS)? SUMMARY ANSWER: Shorter AGD is associated with presence of poor ovarian response. WHAT IS KNOWN ALREADY: Organ development during prenatal life is influenced by the prevailing intrauterine environment, and it has been suggested that nutritional, environmental and toxic factors could affect ovarian reserve set prenatally...
July 16, 2018: Human Reproduction
https://www.readbyqxmd.com/read/30012195/discordant-anti-m%C3%A3-llerian-hormone-amh-and-follicle-stimulating-hormone-fsh-among-women-undergoing-in-vitro-fertilization-ivf-which-one-is-the-better-predictor-for-live-birth
#7
Shunping Wang, Yi Zhang, Virginia Mensah, Warren J Huber, Yen-Tsung Huang, Ruben Alvero
BACKGROUND: This study sought to clarify the roles of Anti-müllerian hormone (AMH) and follicle stimulating hormone (FSH) in predicting live birth, especially in patients with discordant AMH and FSH. A large IVF data set provided by eIVF®, consisting of 13,964 cycles with AMH, FSH, age, BMI, and birth outcomes were evaluated. Patients were categorized into four groups: Good prognosis group (AMH ≥1 ng/ml; FSH < 10 mIU/ml), Poor prognosis group (AMH < 1 ng/ml; FSH ≥10 mIU/ml), Reassuring AMH group (AMH ≥1 ng/ml; FSH ≥10 mIU/ml), and Reassuring FSH group (AMH < 1 ng/ml; FSH < 10 mIU/ml)...
July 16, 2018: Journal of Ovarian Research
https://www.readbyqxmd.com/read/30010882/diminished-ovarian-reserve-and-poor-response-to-stimulation-in-patients-38-years-old-a-quantitative-but-not-qualitative-reduction-in-performance
#8
S J Morin, G Patounakis, C R Juneau, S A Neal, R T Scott, E Seli
STUDY QUESTION: Do infertile women aged <38 years with quantitative evidence of diminished ovarian reserve and/or poor response to stimulation also exhibit poor oocyte quality as measured by blastulation rates, aneuploidy rates, and live birth rates? SUMMARY ANSWER: Young women with evidence of accelerated follicular depletion, either by precycle ovarian reserve testing or postcycle evidence of low oocyte yield, exhibit equivalent blastulation rates, aneuploidy rates and live birth rates per euploid embryo transfer as age-matched controls with normal precycle and postcycle parameters...
July 11, 2018: Human Reproduction
https://www.readbyqxmd.com/read/30007074/morphology-and-tumor-infiltrating-lymphocytes-in-high-stage-high-grade-serous-ovarian-carcinoma-correlated-with-long-term-survival
#9
Silvia Darb-Esfahani, Ivonne Kolaschinski, Fabian Trillsch, Sven Mahner, Nicole Concin, Ignace Vergote, Els Van Nieuwenhuysen, Patriciu Achimas-Cadariu, Joanna Glajzer, Hannah Woopen, Stephan Wienert, Eliane Tabea Taube, Mandy Stanske, Hagen Kulbe, Carsten Denkert, Jalid Sehouli, Elena Ioana Braicu
OBJECTIVE: Advanced-stage ovarian high-grade serous carcinoma (HGSC) is a poor-prognosis cancer, however a small and poorly characterized subset of patients shows long-term survival. We aimed to establish a cohort of HGSC long-term survivors for histopathological and molecular analysis. METHODS: Paraffin blocks from 151 patients with primary FIGO III/IV HGSC and progression-free survival (PFS) >5 years were collected within the Tumorbank Ovarian Cancer (TOC) Network...
July 14, 2018: Histopathology
https://www.readbyqxmd.com/read/30006927/gata3-as-a-master-regulator-and-therapeutic-target-in-ovarian-high-grade-serous-carcinoma-stem-cells
#10
Hsiang-Ju Chen, Rui-Lan Huang, Phui-Ly Liew, Po-Hsuan Su, Lin-Yu Chen, Yu-Chun Weng, Cheng-Chang Chang, Yu-Chi Wang, Michael Wing-Yan Chan, Hung-Cheng Lai
Ovarian high-grade serous carcinoma (HGSC) is the most lethal gynecological malignancy. Prevailing evidences suggest that drug resistance and recurrence of ovarian HGSC are caused by the presence of cancer stem cells. Therefore, targeting cancer stems is appealing, however, all attempts to date, have failed. To circumvent this limit, we analyzed differential transcriptomes at early differentiation of ovarian HGSC stem cells and identified the developmental transcription factor GATA3 as highly expressed in stem, compared to progenitor cells...
July 14, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29993160/a-double-negative-feedback-interaction-between-dnmt3a-and-mir-145-in-the-warburg-effect-of-ovarian-cancer-cells
#11
Songlin Zhang, Meili Pei, Zhen Li, Han Li, Yanli Liu, Jie Li
Ovarian cancer is the most lethal gynecologic malignancy because of its poor prognosis. The Warburg effect is one of the key mechanisms mediating cancer progression. Molecules targeting the Warburg effect are therefore of significant therapeutic value for the treatment of cancers. Many microRNAs (miRs) are dysregulated in cancers, and aberrant miR expression patterns have been suggested to correlate with the Warburg effect in cancer cells. In our study, We found that miR-145 negatively correlated with DNMT3A expression at cellular/histological levels...
July 11, 2018: Cancer Science
https://www.readbyqxmd.com/read/29989198/her2-immunohistochemistry-in-endometrial-and-ovarian-clear-cell-carcinoma-discordance-between-antibodies-and-with-in-situ-hybridization
#12
Timco Koopman, Bert van der Vegt, Marcel Dijkstra, Joost Bart, Evelien Duiker, G Bea A Wisman, Geertruida H de Bock, Harry Hollema
AIMS: treatment with anti-HER2-therapy could be beneficial for patients with HER2-positive endometrial and ovarian clear cell carcinoma (CCC). We studied HER2 overexpression by immunohistochemistry (IHC) using three different antibodies, including concordance with amplification by in situ hybridization (ISH). METHODS AND RESULTS: IHC and ISH were performed on tissue microarrays of 101 tumours: 58 endometrial pure CCC, 19 endometrial mixed carcinomas with a CCC component and 24 ovarian pure CCC...
July 10, 2018: Histopathology
https://www.readbyqxmd.com/read/29981579/fmr1-expression-in-human-granulosa-cells-increases-with-exon-1-cgg-repeat-length-depending-on-ovarian-reserve
#13
Julia Rehnitz, Diego D Alcoba, Ilma S Brum, Jens E Dietrich, Berthe Youness, Katrin Hinderhofer, Birgitta Messmer, Alexander Freis, Thomas Strowitzki, Ariane Germeyer
BACKGROUND: Fragile-X-Mental-Retardation-1- (FMR1)-gene is supposed to be a key gene for ovarian reserve and folliculogenesis. It contains in its 5'-UTR a triplet-base-repeat (CGG), that varies between 26 and 34 in general population. CGG-repeat-lengths with 55-200 repeats (pre-mutation = PM) show instable heredity with a tendency to increase and are associated with premature-ovarian-insufficiency or failure (POI/POF) in about 20%. FMR1-mRNA-expression in leucocytes and granulosa cells (GCs) increases with CGG-repeat-length in PM-carriers, but variable FMR1-expression profiles were also described in women with POI without PM-FMR1 repeat-length...
July 7, 2018: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/29960701/autologous-stem-cell-ovarian-transplantation-to-increase-reproductive-potential-in-patients-who-are-poor-responders
#14
Sonia Herraiz, Mónica Romeu, Anna Buigues, Susana Martínez, César Díaz-García, Inés Gómez-Seguí, José Martínez, Nuria Pellicer, Antonio Pellicer
OBJECTIVE: To evaluate effects of autologous stem cell ovarian transplant (ASCOT) on ovarian reserve and IVF outcomes of women who are poor responders with very poor prognosis. DESIGN: Prospective observational pilot study. SETTING: University hospital. PATIENT(S): Seventeen women who are poor responders. INTERVENTION(S): Ovarian infusion of bone marrow-derived stem cells. MAIN OUTCOME MEASURE(S): Serum antimüllerian hormone levels and antral follicular count (AFC), punctured follicles, and oocytes retrieved after stimulation (controlled ovarian stimulation) were measred...
June 27, 2018: Fertility and Sterility
https://www.readbyqxmd.com/read/29916218/pharmacogenetic-algorithm-for-individualized-controlled-ovarian-stimulation-icos-in-assisted-reproductive-technology-cycles
#15
Matheus Roque, Bianca Bianco, Denise M Christofolini, Emerson B Cordts, Fabia L Vilarino, Waldemar Carvalho, Marcello Valle, Marcos Sampaio, Selmo Geber, Sandro C Esteves, Caio P Barbosa
Controlled ovarian stimulation (COS) is crucial for optimizing in vitro fertilization (IVF) / intracytoplasmic sperm injection (ICSI) success. Multiple factors influence the ovarian response to COS, making predictions about oocyte yields not so straightforward. As a result, the ovarian response may be poor or suboptimal, or even excessive, all of which have negative consequences for the affected patient. There is a group of patients that present with a suboptimal response to COS despite normal biomarkers of ovarian reserve, such as AFC and AMH...
June 14, 2018: Panminerva Medica
https://www.readbyqxmd.com/read/29912374/luteal-phase-anovulatory-follicles-result-in-the-production-of-competent-oocytes-intra-patient-paired-case-control-study-comparing-follicular-versus-luteal-phase-stimulations-in-the-same-ovarian-cycle
#16
Danilo Cimadomo, Alberto Vaiarelli, Silvia Colamaria, Elisabetta Trabucco, Carlo Alviggi, Roberta Venturella, Erminia Alviggi, Ramona Carmelo, Laura Rienzi, Filippo Maria Ubaldi
STUDY QUESTION: Are the mean numbers of blastocysts obtained from sibling cohorts of oocytes recruited after follicular phase and luteal phase stimulations (FPS and LPS) in the same ovarian cycle similar? SUMMARY ANSWER: The cohorts of oocytes obtained after LPS are larger than their paired-FPS-derived cohorts and show a comparable competence, thus resulting in a larger mean number of blastocysts. WHAT IS KNOWN ALREADY: Three theories of follicle recruitment have been postulated to date: (i) the 'continuous recruitment' theory, (ii) the 'single recruitment episode' theory and (iii) the 'wave' theory...
June 15, 2018: Human Reproduction
https://www.readbyqxmd.com/read/29851127/simplified-4-item-criteria-for-polycystic-ovary-syndrome-a-bridge-too-far
#17
Inthrani R Indran, Zhongwei Huang, Lay Wai Khin, Jerry K Y Chan, Veronique Viardot-Foucault, Eu Leong Yong
OBJECTIVES: Although the Rotterdam 2003 polycystic ovarian syndrome (PCOS) diagnostic criteria is widely used, the need to consider multiple variables makes it unwieldy in clinical practice. We propose a simplified PCOS criteria wherein diagnosis is made if two of the following three items were present: (i) oligomenorrhoea, (ii) anti-mullerian hormone (AMH) above threshold and/or (iii) hyperandrogenism defined as either testosterone above threshold and/or the presence of hirsutism. DESIGN SETTING AND PARTICIPANTS: This prospective cross-sectional study consists of healthy women (n = 157) recruited at an annual hospital health screen for staff and volunteers from the university community, and a patient cohort (n = 174) comprising women referred for suspected PCOS...
May 30, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29784618/ovarian-reserve-and-response-to-stimulation-in-women-undergoing-fertility-preservation-according-to-malignancy-type
#18
Tiphaine Lefebvre, Sophie Mirallié, Florence Leperlier, Arnaud Reignier, Paul Barrière, Thomas Fréour
RESEARCH QUESTION: Does ovarian reserve and ovarian response to ovarian stimulation in women with cancer undergoing oocyte vitrification for fertility preservation vary according to the type of malignancy? DESIGN: Retrospective cohort study including 105 women aged between 18 and 40 years, who were referred for fertility preservation (oocyte vitrification) between 2013 and 2016. The women were divided into three groups: breast cancer, lymphoma or other cancer. All of them had been recently diagnosed with cancer, with gonadotoxic treatment scheduled, and had oocyte vitrification after ovarian stimulation with antagonist protocol...
May 2, 2018: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29727207/the-impact-of-autoimmunity-related-early-ovarian-aging-on-icsi-cycle-outcome
#19
Gulay Beydilli Nacak, Enis Ozkaya, Cigdem Yayla Abide, Bulent Emre Bilgic, Belgin Devranoglu, Reyyan Gokcen Iscan
The aim of this study was to investigate the impact of anti-thyroid peroxidase antibodies (Anti-TPO) on the in vitro fertilization and embryo transfer (IVF-ET) outcome in women with poor ovarian reserve but normal thyrotropin levels. A total of 300 patients with poor ovarian reserve undergoing ICSI cycle from April 2015 to December 2017 were analyzed retrospectively. Subjects were divided into two groups: Group 1: Women with early ovarian aging, Group 2: Women with age related poor ovarian reserve. All subjects underwent anti-thyroid peroxidase antibody (anti-TPO) analysis...
May 4, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29697414/the-dilemma-of-aneuploidy-screening-on-low-responders
#20
Scott J Morin, Daniel J Kaser, Jason M Franasiak
PURPOSE OF REVIEW: Preimplantation genetic testing for aneuploidy (PGT-A) has been demonstrated to improve implantation and pregnancy rates and decrease miscarriage rates over standard morphology-based embryo selection. However, there are limited data on its efficacy in patients with diminished ovarian reserve or a poor response to stimulation who may have fewer embryos to select amongst. RECENT FINDINGS: Early findings demonstrate that PGT-A reduces the miscarriage rate and decreases the time to delivery in poor responders...
June 2018: Current Opinion in Obstetrics & Gynecology
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