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https://www.readbyqxmd.com/read/28306560/growth-hormone-in-ivf-cycles-any-hope
#1
Roger J Hart, Luk Rombauts, Robert J Norman
PURPOSE OF REVIEW: Growth hormone (GH) has been used as an adjunct in ovulation induction and IVF for 25 years, particularly as an adjunct to ovarian stimulation for women who had a previous poor response to stimulation in an IVF cycle. It does not have US Food and Drug Administration approval for this use. Unfortunately, due to the problems inherent with recruiting women who have undergone unsuccessful IVF treatment cycles and their inevitable low live birth rate per initiated cycle, many studies performed to date have been underpowered...
March 16, 2017: Current Opinion in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28293063/evaluation-of-prognostic-and-predictive-significance-of-circulating-micrornas-in-ovarian-cancer-patients
#2
Ann Rita Halvorsen, Gunnar Kristensen, Andy Embleton, Cybil Adusei, Maria Pilar Barretina-Ginesta, Philip Beale, Åslaug Helland
Ovarian cancer patients are recognized with poor prognosis. This study aimed to identify microRNAs in plasma for predicting response to treatment and outcome. We have investigated microRNAs in plasma from ovarian cancer patients enrolled in a large multicenter study (ICON7), investigating the effect of adding bevacizumab to standard chemotherapy in patients diagnosed with epithelial ovarian cancer. Patients with different histology, grade, and FIGO stages were included (n = 207) in this study. Screening of 754 unique microRNAs was performed in the discovery phase (n = 91) using TaqMan Low Density Arrays...
2017: Disease Markers
https://www.readbyqxmd.com/read/28277814/the-cutoff-values-of-serum-amh-levels-and-starting-recfsh-doses-for-the-individualization-of-ivf-treatment-strategies
#3
Pinar Özcan, Cem Fiçicioğlu, Seda Ateş, Meltem Güner Can, Çiğdem Kaspar, Oya Akçin, Mert Yesiladali
OBJECTIVE: The main purpose of our study is to categorize starting doses of recombinant follicle-stimulating hormone (recFSH) based on various cutoff values of anti-Mullerian hormone (AMH) and to determine the effectiveness of serum AMH levels in the prediction of poor ovarian response. MATERIAL AND METHODS: Prospective data analysis was conducted at IVF center. A total of 323 patients were included. All patients were divided into four groups according to the patients' serum AMH concentrations: Group 1 (AMH < 1 ng/ml; 450 IU/day n = 157); Group 2 (AMH 1-2 ng/ml; 375 IU/day, n = 55); Group 3 (AMH 2-3 ng/ml; 225 IU/day, n = 48); and Group 4 (AMH > 3 ng/ml; 150 IU/day, n = 63)...
March 9, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28277671/enzyme-cleavable-polymeric-micelles-for-the-intracellular-de-livery-of-pro-apoptotic-peptides
#4
Hanna B Kern, Selvi Srinivasan, Anthony J Convertine, David Hockenbery, Oliver W Press, Patrick S Stayton
Peptides derived from the third Bcl-2 homology domain (BH3) renormalize apoptotic signaling by antagonizing pro-survival Bcl-2 family members. They serve as a model for potential peptide drugs that possess therapeutic activities but are limited by delivery barriers including short circulation half-lives and poor penetration into cells. A diblock polymeric micelle carrier for the BIM BH3 peptide was recently described that demonstrated anti-tumor activity in a B-cell lymphoma xenograft model [Berguig et al., Mol Ther, 2015]...
March 9, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28271699/individualization-of-controlled-ovarian-stimulation-in-ivf-using-ovarian-reserve-markers
#5
Valentina Grisendi, Antonio La Marca
INTRODUCTION: In assisted reproduction technologies (ART) the controlled ovarian stimulation (COS) therapy is the starting point from which a good oocytes retrieval depends. Treatment individualization is based on ovarian response prediction, which largely depends on a woman's ovarian reserve. AMH and AFC are considered the most accurate and reliable markers of ovarian reserve. EVIDENCE ACQUISITION: A literature search was carried out for studies that addressed the ability of AMH and AFC to predict poor and/or excessive ovarian response in IVF cycles...
March 7, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28261346/the-role-of-golph3l-in-the-prognosis-and-nact-response-in-cervical-cancer
#6
Yanling Feng, Fan He, Shumei Yan, He Huang, Qidan Huang, Ting Deng, Huini Wu, Bei Gao, Jihong Liu
Background: We previously reported GOLPH3L is a novel oncogene associated with ovarian cancer. The role of GOLPH3L in cervical cancer and its cellular functions has not been determined. This study investigated clinical significance of GOLPH3L and potential proteins and pathways associated with GOLPH3L in cervical squamous cell carcinoma. Methods: Immunohistochemistry and western blot were used to examine the expression of GOLPH3L in cervical squamous cell carcinoma tissue specimens and adjacent non-cancerous tissues...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28247128/the-self-care-practices-of-family-caregivers-of-persons-with-poor-prognosis-cancer-differences-by-varying-levels-of-caregiver-well-being-and-preparedness
#7
J Nicholas Dionne-Odom, Wendy Demark-Wahnefried, Richard A Taylor, Gabrielle B Rocque, Andres Azuero, Aras Acemgil, Michelle Y Martin, Meka Astin, Deborah Ejem, Elizabeth Kvale, Karen Heaton, Maria Pisu, Edward E Partridge, Marie A Bakitas
PURPOSE: Little is known about the impact of family caregiving for adults with poor prognosis cancer on caregivers' own individual self-care practices. We explored differences in caregivers' discrete self-care practices associated with varying levels of caregiver well-being, preparedness, and decision-making self-efficacy. METHODS: Cross-sectional survey within eight community-based southeastern U.S. cancer centers was conducted. Family caregivers of Medicare beneficiaries ≥65 years with pancreatic, lung, brain, ovarian, head and neck, hematologic, or stage IV cancer completed measures of individual self-care practices (health responsibility, physical activity, nutrition, spiritual growth, interpersonal relations, stress management, and sleep), well-being (anxiety, depression, and health-related quality of life [HRQoL]), preparedness, and decision-making self-efficacy...
March 1, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28236310/clomiphene-and-letrozole-for-reducing-fsh-consumption-during-ovarian-stimulation-systematic-review-and-meta-analysis
#8
REVIEW
Tatiana N B Marcal, Mariane N Nadai, Carolina O Nastri, Wellington P Martins
OBJECTIVE: to assess the available evidence comparing effectiveness of ovarian stimulation (OS) using clomiphene (CC) and/or letrozole (LTZ) for reducing FSH consumption compared with standard OS. METHODS: We performed a systematic review and meta-analyses of randomized controlled trials (RCTs) that compared the reproductive outcomes following in vitro fertilization. We searched eleven electronic databases and hand-searched the reference list of included studies and related reviews...
February 25, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28235465/ovarian-reserve-testing-a-user-s-guide
#9
REVIEW
Reshef Tal, David B Seifer
Ovarian reserve is a complex clinical phenomenon that is influenced by age, genetics and environmental variables. Although it is challenging to predict the rate of an individual's ovarian reserve decline, clinicians are often asked for advice about fertility potential and/or recommendations regarding the pursuit of fertility treatment options. The purpose of this review is to summarize the state-of-the-art of ovarian reserve testing (ORT), providing a guide for the Ob/Gyn generalist and reproductive endocrinologist...
February 21, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28194828/mitochondrial-dysfunction-and-ovarian-aging
#10
Tianren Wang, Man Zhang, Zongliang Jiang, Emre Seli
Mitochondria are double-membrane-bound organelles that are responsible for the generation of most of the cell's energy. Mitochondrial dysfunction has been implicated in cellular senescence in general and ovarian aging in particular. Recent studies exploited this association by studying mitochondrial DNA (mtDNA) copy number as a potential biomarker of embryo viability and the use of mitochondrial nutrients and autologous mitochondrial transfer as a potential treatment for poor ovarian function and response.
February 13, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28192422/identification-of-quiescent-and-spatially-restricted-mammary-stem-cells-that-are-hormone-responsive
#11
Nai Yang Fu, Anne C Rios, Bhupinder Pal, Charity W Law, Paul Jamieson, Ruijie Liu, François Vaillant, Felicity Jackling, Kevin He Liu, Gordon K Smyth, Geoffrey J Lindeman, Matthew E Ritchie, Jane E Visvader
Despite accumulating evidence for a mammary differentiation hierarchy, the basal compartment comprising stem cells remains poorly characterized. Through gene expression profiling of Lgr5(+) basal epithelial cells, we identify a new marker, Tetraspanin8 (Tspan8). Fractionation based on Tspan8 and Lgr5 expression uncovered three distinct mammary stem cell (MaSC) subsets in the adult mammary gland. These exist in a largely quiescent state but differ in their reconstituting ability, spatial localization, and their molecular and epigenetic signatures...
February 13, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28188844/infertility-and-ovarian-follicle-reserve-depletion-are-associated-with-dysregulation-of-the-fsh-and-lh-receptor-density-in-human-antral-follicles
#12
Sheena L P Regan, Phil G Knight, John L Yovich, James D Stanger, Yee Leung, Frank Arfuso, Arun Dharmarajan, Ghanim Almahbobi
The low take-home baby rate in older women in Australia (5.8%) undergoing IVF is linked to the depletion of the ovarian reserve of primordial follicles. Oocyte depletion causes an irreversible change to ovarian function. We found that the young patient FSH receptor and LH receptor expression profile on the granulosa cells collected from different size follicles were similar to the expression profile reported in natural cycles in women and sheep. This was reversed in the older patients with poor ovarian reserve...
February 7, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28188793/activation-of-wnt-signaling-pathway-by-af1q-enriches-stem-like-population-and-enhance-mammosphere-formation-of-breast-cells
#13
Charlotte Olivia Tse, Soojin Kim, Jino Park
Wnt signaling pathway is believed to be responsible for control over various types of stem cells and may act as a niche factor to maintain stem cells in a self-renewing state. Moreover, dysregulated Wnt signaling pathway is strongly associated with several diseases including cancer. Previously, we have shown that AF1q associates with a poor prognosis in leukemia, myelodysplastic syndromes, multiple myeloid, ovarian cancer, and breast cancer. Also, AF1q plays a pivotal role as an oncogene and metastasis enhancer in breast cancer via activation of Wnt signaling pathway...
February 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28184014/autophagy-inhibition-enhances-sunitinib-efficacy-in-clear-cell-ovarian-carcinoma
#14
Lindsay DeVorkin, Matthew Hattersley, Paul Kim, Jenna Ries, Jaeline Spowart, Michael S Anglesio, Samuel M Levi, David G Huntsman, Ravi K Amaravadi, Jeffrey D Winkler, Anna V Tinker, Julian J Lum
Clear cell ovarian carcinoma (CCOC) is an aggressive form of epithelial ovarian cancer that exhibits low response rates to systemic therapy and poor patient outcomes. Multiple studies in CCOC have revealed expression profiles consistent with increased hypoxia, and our previous data suggest that hypoxia is correlated with increased autophagy in CCOC. Hypoxia-induced autophagy is a key factor promoting tumor cell survival and resistance to therapy. Recent clinical trials with the molecular-targeted receptor tyrosine kinase (RTK) inhibitor sunitinib have demonstrated limited activity...
March 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28156569/differences-in-self-care-behaviors-by-varying-levels-of-caregiving-intensity-performance-and-well-being-among-family-caregivers-of-patients-with-high-mortality-cancer
#15
Wendy Demark-Wahnefried, Richard A Taylor, Gabrielle Betty Rocque, Andres Azuero, Aras Acemgil, Michelle Y Martin, Meka Astin, Deborah Ejem, Elizabeth Ann Kvale, Karen Heaton, Maria Pisu, Edward E Partridge, Marie Bakitas
239 Background: Family caregivers of high-mortality cancer patients perform vital tasks that deter from their own self-care. We aimed to determine differences in self-care behaviors by varying levels of caregiving intensity, well-being, and performance. METHODS: Cross-sectional survey conducted in community settings of 8 cancer centers in AL, FL, and TN. Two-hundred and ninety-four family caregivers of Medicare beneficiaries diagnosed with pancreatic, lung, brain, ovarian, head & neck, hematologic, or stage IV cancer completed measures of self-care behaviors, including health responsibility, physical activity, nutrition, spiritual growth, interpersonal relations, stress management, and sleep; anxiety and depression; health-related quality of life (HRQoL); caregiver competence and preparedness; and decision-making self-efficacy...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28144637/induction-of-fas-mediated-apoptosis-by-interferon-%C3%AE-is-dependent-on-granulosa-cell-differentiation-and-follicular-maturation-in-the-rat-ovary
#16
Hye-Jeong Lee, Ji Young Kim, Ji Eun Park, Yong-Dal Yoon, Benjamin K Tsang, Jong-Min Kim
Fas ligand (FasL) and its receptor Fas have been implicated in granulosa cell apoptosis during follicular atresia. Although interferon-gamma (IFN-γ) is believed to be involved in the regulation Fas expression in differentiated granulosa or granulosa-luteal cells, the expression of this cytokine and its role in the regulation of the granulosa cell Fas/FasL system and apoptosis during follicular maturation have not been thoroughly investigated. In the present study, we have examined the presence of IFN-γ in ovarian follicles at different stage of development by immunohistochemistry and related their relative intensities with follicular expression of Fas and FasL, and with differences in granulosa cell sensitivity to Fas activation by exogenous agonistic Anti-Fas monoclonal antibody (Fas mAb)...
December 2016: Balsaeng'gwa Saengsig
https://www.readbyqxmd.com/read/28137754/efficacy-and-safety-of-follitropin-alfa-lutropin-alfa-in-art-a-randomized-controlled-trial-in-poor-ovarian-responders
#17
P Humaidan, W Chin, D Rogoff, T D'Hooghe, S Longobardi, J Hubbard, J Schertz
STUDY QUESTION: How does the efficacy and safety of a fixed-ratio combination of recombinant human FSH plus recombinant human LH (follitropin alfa plus lutropin alfa; r-hFSH/r-hLH) compare with that of r-hFSH monotherapy for controlled ovarian stimulation (COS) in patients with poor ovarian response (POR)? SUMMARY ANSWER: The primary and secondary efficacy endpoints were comparable between treatment groups and the safety profile of both treatment regimens was favourable...
January 30, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28130869/proteomic-analysis-of-human-follicular-fluid-in-poor-ovarian-responders-during-in-vitro-fertilization
#18
Jae Won Oh, Seul Ki Kim, Kyung-Cho Cho, Min-Sik Kim, Chang Suk Suh, Jung Ryeol Lee, Kwang Pyo Kim
Poor ovarian response (POR) observed in controlled ovarian stimulation (COS) is often observed during in vitro fertilization and embryo transfer (IVF-ET) cycles and is a major problem. A POR has been found to be related to several factors, including advanced age, high body mass index, and history of ovarian or pelvic surgery. However, it is difficult to predict POR, as there are no specific biomarkers known. In this study, we used quantitative proteomic analyses to investigate potential biomarkers that can predict poor response during IVF based on follicular fluid samples...
January 28, 2017: Proteomics
https://www.readbyqxmd.com/read/28122449/combinatorial-screening-of-dna-aptamers-for-molecular-imaging-of-her2-in-cancer
#19
Guizhi Zhu, Huimin Zhang, Orit Jacobson, Zhantong Wang, Haojun Chen, Xiangyu Yang, Gang Niu, Xiaoyuan Chen
HER2, a cell membrane protein overexpressed in many types of cancers, is correlated with poor diagnosis, suboptimal treatment outcome, and low survival rate. Multiple HER2-targeted drugs have been developed for the treatment of HER2-overexpressing tumor, which can in turn down-regulate HER2 expression. It is thus significant to profile HER2 expression for cancer prognosis, patient stratification, and monitoring therapy response. Aptamers, a class of single-stranded DNA/RNA (ssDNA/ssRNA) ligands, are promising for molecular biomarker imaging...
February 8, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28111995/the-association-of-different-auto-antibodies-against-ovarian-tissues-and-gonadotropins-and-poor-ovarian-response-in-intracytoplasmic-sperm-injection-cycles
#20
Ladan Mohammadi Yeganeh, Ashraf Moini, Mandana Hemmat, Reza Salman Yazdi, Narges Bagheri Lankarani, Shabnam Khodabakhshi, Arash Behbahanian
This study aimed to assess the possible association between ovarian auto-antibodies and poor ovarian response to controlled ovarian hyperstimulation (COH) in patients undergoing intracytoplasmic sperm injection (ICSI) cycles. In total, 42 poor responders and 43 male factor subjects were enrolled in the study and underwent either a standard long gonadotropin-releasing hormone (GnRH) agonist or antagonist protocol. Anti-ovarian, anti-oocyte, anti-zona pellucida (anti-ZP) and anti-gonadotropin antibodies in their sera and follicular fluid (FF) were measured by an enzyme-linked immunosorbent assay technique (ELISA)...
January 22, 2017: Human Fertility: Journal of the British Fertility Society
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