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https://www.readbyqxmd.com/read/28643088/potential-therapeutic-applications-of-human-anti-m%C3%A3-llerian-hormone-amh-analogues-in-reproductive-medicine
#1
REVIEW
Vitaly A Kushnir, David B Seifer, David H Barad, Aritro Sen, Norbert Gleicher
Members of the transforming growth factor-beta (TGF-beta) superfamily are key regulators of various physiological processes. Anti-Müllerian hormone (AMH) which is also commonly known as Müllerian-inhibiting substance (MIS) is a member of the TGF-beta superfamily and an important regulator of reproductive organ differentiation and ovarian follicular development. While AMH has been used for diagnostic purposes as a biomarker for over 15 years, new potential therapeutic applications of recombinant human AMH analogues are now emerging as pharmacologic agents in reproductive medicine...
June 22, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28635413/the-high-responder-a-review-of-pathophysiology-and-outcomes-during-ivf-treatment
#2
Mariano Mascarenhas, Adam H Balen
This review attempts to summarize the known literature on high responders to ovarian stimulation during assisted reproductive techniques (ART). Response to gonadotrophins is subject to significant interindividual and intercycle variation, thus carrying a risk of high response or poor response to ovarian stimulation regimens. The main risk for high responders is the development of ovarian hyperstimulation syndrome (OHSS) which is associated with significant morbidity. Hence, the definition of high responders in the literature has primarily focussed on risk factors for OHSS...
February 28, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28632775/unique-cellular-interactions-between-pancreatic-cancer-cells-and-the-omentum
#3
Valerya Feygenzon, Shelly Loewenstein, Nir Lubezky, Metsada Pasmanic-Chor, Osnat Sher, Joseph M Klausner, Guy Lahat
Pancreatic cancer is a common cause of cancer-related mortality. Omental spread is frequent and usually represents an ominous event, leading to patient death. Omental metastasis has been studied in ovarian cancer, but data on its role in pancreatic cancer are relatively scarce and the molecular biology of this process has yet to be explored. We prepared tissue explants from human omental fat, and used conditioned medium from the explants for various in vitro and in vivo experiments designed to evaluate pancreatic cancer development, growth, and survival...
2017: PloS One
https://www.readbyqxmd.com/read/28628258/tankyrase-inhibition-regulates-corpus-luteum-development-and-luteal-function-in-gonadotropin-treated-rats
#4
Accialini Paula, Irusta Griselda, Bechis Andres, Bas Diana, Parborell Fernanda, Abramovich Dalhia, Tesone Marta
Tankyrases are physiological regulators of Axin, a protein involved in several cellular processes, including Wnt signaling. Here, we investigated the effect of a specific Tankyrase inhibitor (XAV939) in follicular-luteal dynamics, and its possible relationship with ovarian vascular development. Studies were designed to analyze the effect of intrabursa administration of XAV939 in gonadotropin-treated prepubertal rats. In particular, we examined follicle and corpus luteum development, steroidogenesis, angiogenic markers, and apoptotic parameters...
June 19, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28627617/sorafenib-controls-the-epithelial%C3%A2-mesenchymal-transition-of-ovarian-cancer-cells-via-egf-and-the-cd44%C3%A2-ha-signaling-pathway-in-a-cell-type%C3%A2-dependent-manner
#5
Ga Bin Park, Hyun-Suk Ko, Daejin Kim
Cluster of differentiation (CD) 44 and epidermal growth factor (EGF) are closely involved in cellular migration and have been used as stem cell markers. Although the hyaluronan (HA)‑binding CD44 is responsible for enhanced cellular motility, the mechanism underlying its actions in various cell types and clinical conditions have yet to be elucidated. In the present study, the multikinase inhibitor sorafenib was used to investigate the diverse effects of EGF stimulation on epithelial‑mesenchymal transition (EMT) in ovarian cancer cells using immunoblotting and reverse transcription‑polymerase chain reaction...
June 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28624161/clinical-follow-up-of-the-first-sf-1-insufficient-female-patient
#6
Karine Gerster, Anna Biason-Lauber, Eugen J Schoenle
OBJECTIVE: Steroidogenic factor 1 (SF-1/NR5A1) plays a crucial role in regulating adrenal development, gonad determination and differentiation, and in the hypothalamic-pituitary control of reproduction and metabolism. In men (46, XY), it is known that mutations in SF-1/NR5A1 gene cause a wide phenotypic spectrum with variable degrees of undervirilization. In recent years, the role of SF-1 in the ovarian function was increasingly discussed and alterations in the gene were related to primary ovarian insufficiency...
June 14, 2017: Annales D'endocrinologie
https://www.readbyqxmd.com/read/28623008/yucca-schidigera-can-promote-rabbit-growth-fecundity-affect-the-release-of-hormones-in-vivo-and-in-vitro-induce-pathological-changes-in-liver-and-reduce-ovarian-resistance-to-benzene
#7
Martina Földešiová, Andrej Baláži, Ľubica Chrastinová, Juraj Pivko, Jan Kotwica, Abdel Halim Harrath, Peter Chrenek, Alexander V Sirotkin
This study evaluated the effect of Yucca schidigera (YS) extract on the physiological, reproductive, and endocrine indexes of New Zealand White rabbit does. Six-week-old rabbit does were fed a standard diet (control group) or a diet enriched with 5 or 20g of Y powder extract per 100-kg feed mixture for 350days. The does were artificially inseminated after induction of superovulation. Weight gain; conception and kindling rate; viability of pups and mothers; histopathological state of liver and muscle; plasma levels of progesterone (P4), oxytocin (OT), and prostaglandin F (PGF); and the release of P4, insulin-like growth factor I (IGF-I), OT, and PGF by isolated ovarian fragments and their response to the addition of benzene were analyzed...
June 10, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28622685/increased-pdgfr-beta-and-vegfr-2-protein-levels-are-associated-with-resistance-to-platinum-based-chemotherapy-and-adverse-outcome-of-ovarian-cancer-patients
#8
Stefanie Avril, Yasemin Dincer, Katharina Malinowsky, Claudia Wolff, Sibylle Gündisch, Alexander Hapfelmeier, Melanie Boxberg, Holger Bronger, Karl-Friedrich Becker, Barbara Schmalfeldt
Despite frequent initial response rates of epithelial ovarian cancer to platinum-based chemotherapy the majority of patients develop drug resistance. Our aim was to evaluate differential expression of signaling-pathway proteins in platinum-sensitive versus platinum-resistant primary epithelial ovarian cancer specimens to identify predictive biomarkers for treatment response.192 patients were studied comprising of independent training (n = 89) and validation (n = 103) cohorts. Full-length proteins were extracted from paraffin-embedded samples including multiple regions per tumor to account for intratumoral heterogeneity...
June 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28620375/comparative-gene-expression-analysis-of-lymphocytes-treated-with-exosomes-derived-from-ovarian-cancer-and-ovarian-cysts
#9
Yujuan Li, Yang Yang, Aiwei Xiong, Xiaoqin Wu, Jingyan Xie, Suping Han, Shuli Zhao
Cancer cells employ many strategies to evade immune defense and to facilitate tumor growth and angiogenesis. As a novel mode of intercellular communication, cancer-derived exosomes contribute to the recruitment and mediation of lymphocytes within the tumor environment. However, the mechanisms and key molecules mediating the effect of exosomes on lymphocytes are unclear. We treated healthy peripheral blood lymphocytes with exosomes from ovarian cancer and ovarian cysts and screened for differentially expressed genes using the RT(2) Profiler Cancer Inflammation and Immunity Crosstalk PCR Array...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28619690/metformin-the-aspirin-of-the-21-st-century-its-role-in-gestational-diabetes-prevention-of-preeclampsia-and-cancer-and-the-promotion-of-longevity
#10
REVIEW
Roberto Romero, Offer Erez, Maik Hüttemann, Eli Maymon, Bogdan Panaitescu, Agustin Conde-Agudelo, Percy Pacora, Bo Hyun Yoon, Lawrence I Grossman
Metformin is everywhere. Originally introduced in clinical practice as an anti-diabetic agent, its role as a therapeutic agent is expanding to include treatment of pre-diabetes, gestational diabetes, polycystic ovarian disease, and more recently, experimental studies, as well as observations in randomized clinical trials, suggest that metformin could have a place in the treatment or prevention of preeclampsia. This article provides a brief overview of the history of metformin in the treatment of diabetes, reviews the results of meta-analyses of metformin in gestational diabetes, and the treatment of obese non-diabetic pregnant women to prevent macrosomia...
June 12, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28619389/the-promising-effect-of-linagliptin-and-or-indole-3-carbinol-on-experimentally-induced-polycystic-ovarian-syndrome-the-role-of-transforming-growth-factor-beta-1-oxidative-stress-and-nrf2-ho-1-pathway
#11
Ahmed M Kabel, Aisha H Al-Shehri, Rehab A Altalhi
Polycystic ovarian syndrome (PCOS) is one of the most common medical condition that leads to female infertility worldwide. The aim of this study was to assess the effect of linagliptin and/or indole-3-carbinol (I3C) on PCOS in female rats. Fifty female Wistar rats were randomly allocated into five equal groups: Control group; Letrozole induced PCOS group; Letrozole + Linagliptin group; Letrozole + I3C group and Letrozole + Linagliptin + I3C group. Body weight, body mass index, Lee index and ovarian indices were determined...
June 12, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28617578/antibodies-against-specific-muc16-glycosylation-sites-inhibit-ovarian-cancer-growth
#12
Thapi Dharma Rao, Alberto Fernández-Tejada, Abram Axelrod, Nestor Rosales, Xiujun Yan, Sahityasri Thapi, Amy Wang, Kay J Park, Brandon Nemieboka, Jingyi Xiang, Jason S Lewis, Nariso Olvera, Douglas A Levine, Samuel J Danishefsky, David Spriggs
Expression of the retained C-terminal extracellular portion of the ovarian cancer glycoprotein MUC16 induces transformation and tumor growth. However, the mechanisms of MUC16 oncogenesis related to glycosylation are not clearly defined. We establish that MUC16 oncogenic effects are mediated through MGAT5-dependent N-glycosylation of two specific asparagine sites within its 58 amino acid ectodomain. Oncogenic signaling from the C-terminal portion of MUC16 requires the presence of Galectin-3 and growth factor receptors co-localized on lipid rafts...
June 15, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28611202/role-of-platelet-derived-tgf%C3%AE-1-in-the-progression-of-ovarian-cancer
#13
Qianghua Hu, Takeshi Hisamatsu, Monika Hammerle, Min Soon Cho, Sunila Pradeep, Rajesha Rupaimoole, Cristian Rodriguez-Aguayo, Gabriel Lopez-Berestein, Stephen Tc Wong, Anil K Sood, Vahid Afshar-Kharghan
Transforming growth factor β1 (Tgfß1) plays an important role in cancer.  Most of Tgfß1 in plasma is from platelets, thus we studied whether platelet Tgfß1 has any role in the progression of ovarian cancer, and whether this role is limited to metastasis or also involves the growth of primary tumors. <br /><br />Experimental Design: We compared the growth of murine ovarian cancer cell-induced tumors in platelet-specific Tgfß1 deficient mice and wild-type mice.  Using resected tumor nodules, we studied the effect of platelet Tgfß1 on neoangiogenesis and on platelet extravasation into tumors...
June 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28606381/which-origin-for-polycystic-ovaries-syndrome-genetic-environmental-or-both
#14
Patrick Fenichel, Charlotte Rougier, Sylvie Hieronimus, Nicolas Chevalier
Polycystic ovaries syndrome (PCOS), the most common female endocrine disorder, affects 7-10% of women of childbearing age. It includes ovarian hyperandrogenism, impaired follicular maturation, anovulation and subfertility. Insulin resistance, although present in most cases, is not necessary for diagnosis. It increases hyperandrogenism and long-term metabolic, cardiovascular and oncological risks. The origin of hyperandrogenism and hyperinsulinemia has a genetic component, as demonstrated by familial aggregation studies and recent identification of associated genomic variants, conferring a particular susceptibility to the syndrome...
June 9, 2017: Annales D'endocrinologie
https://www.readbyqxmd.com/read/28605466/lhcgr-expression-during-fsh-induced-follicle-growth-is-negatively-regulated-by-eukaryotic-initiation-factor-5a
#15
Thippeswamy Gulappa, Bindu Menon, K M J Menon
We have shown that the transient changes in the expression of LHCGR mRNA during the ovarian cycle occurs, at least in part, through a post-transcriptional mechanism involving an LHCGR mRNA binding protein (LRBP). Eukaryotic initiation factor 5A (eIF5A), an LRBP-interacting protein, participates in this process. EIF5A undergoes hypusination, a unique post-translational modification, which is necessary for its functions. The present study examined the role of eIF5A in FSH-induced LHCGR expression during follicular growth...
June 9, 2017: Endocrinology
https://www.readbyqxmd.com/read/28602051/yes-associated-protein-expression-is-correlated-to-the-differentiation-of-prostate-adenocarcinoma
#16
Myung-Giun Noh, Sung Sun Kim, Eu Chang Hwang, Dong Deuk Kwon, Chan Choi
Background: Yes-associated protein (YAP) in the Hippo signaling pathway is a growth control pathway that regulates cell proliferation and stem cell functions. Abnormal regulation of YAP was reported in human cancers including liver, lung, breast, skin, colon, and ovarian cancer. However, the function of YAP is not known in prostate adenocarcinoma. The purpose of this study was to investigate the role of YAP in tumorigenesis, differentiation of the carcinoma, and prognosis of prostate adenocarcinoma...
June 9, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28601930/survival-improvement-in-hormone-responsive-young-breast-cancer-patients-with-endocrine-therapy
#17
Tae In Yoon, Ui-Kang Hwang, Eui Tae Kim, SaeByul Lee, Guiyun Sohn, Beom Seok Ko, Jong Won Lee, Byung Ho Son, Seonok Kim, Sei Hyun Ahn, Hee Jeong Kim
PURPOSE: We investigated the oncologic outcomes by intrinsic subtype and age in young breast cancer patients and whether survival differences were related to treatment changes over time. METHODS: A retrospective analysis was performed on 9633 invasive breast cancer patients treated at Asan Medical Center from January 1989 to December 2008. We also enrolled a matched cohort adjusting for tumor size, lymph node metastasis, subtypes, and tumor grade. Patients aged <35 years were included in the younger group (n = 602) and those aged ≥35 years were included in the older group (n = 3009)...
June 10, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28599472/nucleus-accumbens-1-gadd45gip1-axis-mediates-cisplatin-resistance-through-cellular-senescence-in-ovarian-cancer
#18
Kentaro Nakayama, Munmun Rahman, Mohammed Tanjimur Rahman, Kohei Nakamura, Emi Sato, Hiroshi Katagiri, Tomoka Ishibashi, Masako Ishikawa, Kouji Iida, Sultana Razia, Noriyuki Ishikawa, Satoru Kyo
Nucleus accumbens-1 (NAC1), a nuclear factor belonging to the bric-a-brac-tramtrack-broad complex/pox virus and zinc finger gene family, is known to serve important roles in the proliferation and growth of tumor cells, and in chemotherapy resistance. However, the underlying molecular mechanisms through which NAC1 contributes to drug resistance remain unclear. In the present study, the role of NAC1 in drug resistance in ovarian cancer was investigated. NAC1 expression was markedly negatively associated with growth arrest and DNA-damage-inducible 45γ-interacting protein 1 (GADD45GIP1) expression in ovarian cancer...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28596494/role-of-a-kinase-anchor-protein-akap4-in-growth-and-survival-of-ovarian-cancer-cells
#19
Vikash Kumar, Nirmala Jagadish, Anil Suri
Ovarian cancer represents one of the most common malignancies among women with very high mortality rate worldwide. A-kinase anchor protein 4 (AKAP4), a unique cancer testis (CT) antigen has been shown to be associated with various malignant properties of cancer cells. However, its involvement in various molecular pathways in ovarian cancer remains unknown. In present investigation, employing gene silencing approach, we examined the role of AKAP4 in cell cycle, apoptosis and epithelial-mesenchymal transition (EMT)...
May 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28591727/vegf-c-expression-attributes-the-risk-for-lymphatic-metastases-to-ovarian-cancer-patients
#20
Sascha Kuerti, Leticia Oliveira-Ferrer, Karin Milde-Langosch, Barbara Schmalfeldt, Karen Legler, Linn Woelber, Katharina Prieske, Sven Mahner, Fabian Trillsch
BACKGROUND: Peritoneal dissemination and retroperitoneal lymph node involvement are main routes for progression of epithelial ovarian cancer (EOC). Vascular endothelial growth factor (VEGF) mediated angiogenesis has been identified as an important mechanism promoting tumour progression. METHODS: Tumour tissue of 100 patients with EOC was analysed for protein expression of vascular endothelial growth factor (VEGF)-A, -C, -D by Western Blot analysis. Expression patterns in patients with 'extensive intraperitoneal' metastases (pT3c pN1 and pT3b-pT3c pN0, n=80) were compared to patients with 'predominantly retroperitoneal' metastases (pT1a-pT3b, pN1, n=20)...
May 18, 2017: Oncotarget
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