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premature ovarian failure

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https://www.readbyqxmd.com/read/28105091/effect-of-melatonin-on-the-peripheral-t-lymphocyte-cell-cycle-and-levels-of-reactive-oxygen-species-in-patients-with-premature-ovarian-failure
#1
Yanmin Li, Hongli Liu, Jing Sun, Yipeng Tian, Changzhong Li
The objective of the present study was to observe the curative effect and mechanism of melatonin for suppression of premature ovarian failure (POF). From December 2014 to June 2015, 128 patients were consecutively diagnosed with POF in the Department of Gynaecology and Obstetrics. The patients were randomly divided into the experimental and control groups. The experimental group received melatonin tablets (1-3 mg/day), while the control group received placebo tablets. The levels of six sex hormones, percentage of T lymphocytes in the G1/M phase, and levels of reactive oxygen species (ROS) were determined at four different time-points (1 day before treatment, and at 1, 3 and 6 months after treatment) in both groups...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28099131/turner-syndrome-and-pituitary-adenomas-a-case-report-and-review-of-literature
#2
Tiffany Yeh, Angela Ganan Soto, Jose Bernardo Quintos, Lisa Swartz Topor
BACKGROUND: Turner syndrome (TS) is the most common sex chromosome abnormality in females, typically associated with primary amenorrhea and premature ovarian failure due to gonadal dysgenesis. The association of TS with hypopituitarism is an uncommon finding. The objective of the study was to describe an adolescent with TS with hypergonadotropic hypogonadism and subsequent hypogonadotropic hypogonadism. CASE PRESENTATION: A 16-year-old female with primary amenorrhea was diagnosed with TS based on karyotype 45,XO...
January 18, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28032338/short-report-sf1-and-spleen-development-new-heterozygous-mutation-literature-review-and-consequences-for-nr5a1-mutated-patient-s-management
#3
Cindy Colson, Estelle Aubry, Maryse Cartigny, Amélie-Anne Rémy, Hélène Franquet, Xavier Leroy, Géraldine Kéchid, Christine Lefèvre, Rémi Besson, Martine Cools, Anne Françoise Spinoit, Charles Sultan, Sylvie Manouvrier, Pascal Philibert, Jamal Ghoumid
Steroidogenic factor 1 (encoded by SF1/NR5A1) is a transcription factor with multiple target genes involved in the development and function of multiple steroidogenic and non-steroidogenic tissues. NR5A1 mutations lead to several phenotypes, including sex reversal, spermatogenesis failure, premature ovarian failure and adrenocortical insufficiency. The implication of NR5A1 mutations in spleen development anomalies was recently highlighted. We provide new evidence of this involvement, describing a novel heterozygous nonsense NR5A1 mutation in a 46,XY-DSD with polysplenia female proband and her father, who had hypospadias and asplenia...
December 29, 2016: Clinical Genetics
https://www.readbyqxmd.com/read/28028909/regulation-of-injury-induced-ovarian-regeneration-by-activation-of-oogonial-stem-cells
#4
Piril Erler, Alexandra Sweeney, James R Monaghan
Some animals have the ability to generate large numbers of oocytes throughout life. This raises the question whether persistent adult germline stem cell populations drive continuous oogenesis and whether they are capable of mounting a regenerative response after injury. Here we demonstrate the presence of adult oogonial stem cells (OSCs) in the adult axolotl salamander ovary and show that ovarian injury induces OSC activation and functional regeneration of the ovaries to reproductive capability. Cells that have morphological similarities to germ cells were identified in the developing and adult ovaries via histological analysis...
January 2017: Stem Cells
https://www.readbyqxmd.com/read/28011097/hemostasis-during-ovarian-cystectomy-a-systematic-review-of-the-impact-of-suturing-versus-surgical-energy-on-ovarian-function
#5
REVIEW
Ann Peters, Noah B Rindos, Ted Lee
This systematic review compares the effect of suturing and surgical energy utilized for hemostasis during ovarian cystectomies on ovarian function. A search of the Scopus, Embase, and PubMed databases was conducted through December 1(st) 2016 for prospective and retrospective trials as well as Randomized Controlled Trials (RCTs) that analyzed ovarian function following ovarian cystectomies where hemostasis was obtained using suturing vs. surgical energy. Of the twenty-five studies identified, twelve studies, with a total of 1,133 subjects, met the criteria and were included in this review...
December 21, 2016: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/27989800/next-generation-sequencing-identifies-abnormal-y-chromosome-and-candidate-causal-variants-in-premature-ovarian-failure-patients
#6
Yujung Lee, Changshin Kim, YoungJoon Park, Jung-A Pyun, KyuBum Kwack
Premature ovarian failure (POF) is characterized by heterogeneous genetic causes such as chromosomal abnormalities and variants in causal genes. Recently, development of techniques made next generation sequencing (NGS) possible to detect genome wide variants including chromosomal abnormalities. Among 37 Korean POF patients, XY karyotype with distal part deletions of Y chromosome, Yp11.32-31 and Yp12 end part, was observed in two patients through NGS. Six deleterious variants in POF genes were also detected which might explain the pathogenesis of POF with abnormalities in the sex chromosomes...
October 29, 2016: Genomics
https://www.readbyqxmd.com/read/27981878/xenogeneic-decellularized-scaffold-a-novel-platform-for-ovary-regeneration
#7
Wen-Yue Liu, Shi-Gang Lin, Ru-Yi Zhuo, Yuan-Yuan Xie, Wei Pan, Xian-Feng Lin, Fei-Xia Shen
Women younger than 40 years may face early menopause because of premature ovarian failure (POF). The cause of POF can be idiopathic or iatrogenic, especially the cancer-induced oophorectomy and chemo- or radiation therapy. The current treatments, including hormone replacement therapy (HRT) and cryopreservation techniques, have increased risk of ovarian cancer and may reintroduce malignant cells after autografting. Decellularization technique has been regarded as a novel regenerative medicine strategy for organ replacement, wherein the living cells of an organ are removed, leaving the extracellular matrix (ECM) for cellular seeding...
January 10, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/27966219/oncofertility-program-implementation-increases-access-to-fertility-preservation-options-and-assisted-reproductive-procedures-for-breast-cancer-patients
#8
Joceline V Vu, Natalia C Llarena, Samantha L Estevez, Molly B Moravek, Jacqueline S Jeruss
BACKGROUND AND OBJECTIVES: Breast cancer treatment can cause premature ovarian failure, yet the majority of young cancer patients do not receive adequate education about treatment effects before initiating chemotherapy. We studied the impact of an oncofertility program on access to fertility preservation. METHODS: An oncofertility program was initiated to foster collaboration between oncologists and reproductive endocrinologists, and to help increase access to fertility preservation...
December 14, 2016: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27965399/selenium-binding-protein-1-autoantibodies-in-ovarian-disorders-and-ovarian-cancer
#9
Yi Yu-Rice, Seby L Edassery, Nicole Urban, Ingegerd Hellstrom, Karl Eric Hellstrom, Youping Deng, Yan Li, Judith Luborsky
Infertility is a risk factor for ovarian cancer (OvCa). The goal was to determine if antibodies to Selenium Binding Protein 1 (SBP1), an autoantibody we identified in patients with premature ovarian failure (POF), occurs in both infertility and OvCa patients, and thus could be associated with preneoplasia. Anti-SBP1 was measured by immunoassay against recombinant SBP1, in sera from OvCa (n=41), infertility (n=92) and control (n=87) patients. Infertility causes were POF, unexplained, irregular ovulation or endometriosis...
December 13, 2016: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/27940355/temporary-ovarian-suppression-during-chemotherapy-to-preserve-ovarian-function-and-fertility-in-breast-cancer-patients-a-grade-approach-for-evidence-evaluation-and-recommendations-by-the-italian-association-of-medical-oncology
#10
REVIEW
Matteo Lambertini, Michela Cinquini, Ivan Moschetti, Fedro A Peccatori, Paola Anserini, Mario Valenzano Menada, Maurizio Tomirotti, Lucia Del Mastro
The development of premature ovarian failure and subsequent infertility are possible consequences of chemotherapy use in pre-menopausal women with early-stage breast cancer. Among the available strategies for fertility preservation, pharmacological protection of the ovaries using luteinising hormone-releasing hormone analogues (LHRHa) during chemotherapy has the potential to restore ovarian function and fertility after anticancer treatments; however, the possible efficacy and clinical application of this strategy has been highly debated in the last years...
January 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/27930667/protein-phosphatase-6-protects-prophase-i-arrested-oocytes-by-safeguarding-genomic-integrity
#11
Meng-Wen Hu, Tie-Gang Meng, Zong-Zhe Jiang, Ming-Zhe Dong, Heide Schatten, Xingzhi Xu, Zhen-Bo Wang, Qing-Yuan Sun
Mammalian oocytes are arrested at prophase of the first meiotic division in the primordial follicle pool for months, even years, after birth depending on species, and only a limited number of oocytes resume meiosis, complete maturation, and ovulate with each reproductive cycle. We recently reported that protein phosphatase 6 (PP6), a member of the PP2A-like subfamily, which accounts for cellular serine/threonine phosphatase activity, functions in completing the second meiosis. Here, we generated mutant mice with a specific deletion of Ppp6c in oocytes from the primordial follicle stage by crossing Ppp6cF/F mice with Gdf9-Cre mice and found that Ppp6cF/F; GCre+ mice are infertile...
December 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27912078/mouse-double-minute-2-homolog-actively-suppresses-p53-activity-in-oocytes-during-mouse-folliculogenesis
#12
Chen-Xi Zhang, Qin Zhang, Yin-Yin Xie, Xue-Yan He, Cong Xiang, Xiao-Shuang Hou, Ying Zhou, Lai Chen, Guo-Xin Zhang, Geng Liu
The p53 signaling network is indispensible in cellular stress responses and tumor suppression. Negative regulations of p53 by mouse double minute 2 and 4 homologs (MDM2) and (MDM4) are an integrated component of the network and have been implicated in regulating the stress responses and the maintenance of normal development and homeostasis of multiple somatic cell lineages. However, the regulatory role of MDM2 on p53 and stress responses in female germ cells remains undetermined. Here, we used the Cre-loxP system to delete Mdm2 in oocytes at different stages of folliculogenesis in mice...
November 29, 2016: American Journal of Pathology
https://www.readbyqxmd.com/read/27891401/premature-ovarian-failure-an-association-with-autoimmune-diseases
#13
Ayesha, Vandana Jha, Deepti Goswami
INTRODUCTION: Premature Ovarian Failure (POF) is the cessation of ovarian function before the age of 40 years. POF is reported to be associated with autoimmune diseases in 20-30% of cases. AIM: Patients presenting with idiopathic POF were screened for the presence of autoimmune disorders. MATERIALS AND METHODS: Twenty patients with idiopathic POF were included in the study. Baseline investigation in all subjects included fasting serum FSH, LH, E2, progesterone, free T3, free T4, Thyroid-Stimulating Hormone (TSH) and Anti-Thyroperoxidase (anti-TPO) antibodies, testosterone and Dehydroepiandrosterone (DHEAS) levels...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27876427/fmr1-premutation-not-only-important-in-premature-ovarian-failure-but-also-in-diminished-ovarian-reserve
#14
Ali Eslami, Kamelia Farahmand, Mehdi Totonchi, Tahereh Madani, Ummulbanin Asadpour, Shabnam Zari Moradi, Hamid Gourabi, Anahita Mohseni-Meybodi
It is recognized that FMR1 premutation expansions are associated with premature ovarian failure (POF), but their role in diminished ovarian reserve (DOR) is not clearly established. Moreover, the impact of smaller repeats at the boundary of premutation and normal is less clear. Therefore, we have compared the frequency of these intermediate (45-54 repeats) and premutation (>55) sized FMR1 CGG repeats among a patients group including 188 DOR and 173 POF women and 200 controls. FSH and LH concentrations were also compared between intermediate and premutation ranges in patients...
November 23, 2016: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/27830391/robotically-assisted-laparoscopic-ovarian-transposition-in-women-with-lower-gastrointestinal-cancer-undergoing-pelvic-radiotherapy
#15
Vasileios D Sioulas, Soledad Jorge, Jing-Yi Chern, Maria B Schiavone, Martin R Weiser, Joanne F Kelvin, Ginger J Gardner, Yukio Sonoda, Nadeem R Abu-Rustum, Karyn A Goodman, Mario M Leitao
BACKGROUND: Pelvic radiotherapy (RT) is a standard component of the management for patients with locally advanced rectal cancer or squamous cell carcinoma of the anus. Pelvic RT leads to permanent and irreversible ovarian failure in young women. This study aimed to determine the effectiveness of robotically assisted laparoscopic ovarian transposition (OT) before RT in women with rectal or anal cancer who wanted to preserve normal ovarian function. METHODS: The study reviewed the medical records of all patients treated at our institution from August 2009 to October 2014 who received robotically assisted laparoscopic OT for rectal or anal cancer before RT...
January 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27802832/reproductive-issues-in-patients-undergoing-hematopoietic-stem-cell-transplantation-an-update
#16
REVIEW
Maurizio Guida, Maria Antonietta Castaldi, Rosa Rosamilio, Valentina Giudice, Francesco Orio, Carmine Selleri
In 1963 George Mathé announced to the world that he had cured a patient of leukaemia by means of a bone-marrow transplant. Since than much progress has been made and nowadays Hematopoietic Stem Cell Transplantation (HSCT) is considered the most effective treatment of numerous severe haematological diseases. Gynaecological complications in HSCT women represent a serious concern for these patients, but often underestimated by clinicians in the view of Overall Survival. The main gynaecological complications of HSCT are represented by: premature ovarian failure (POF), thrombocytopenia-associated menorrhagia, genital symptoms or sexual problems in course of chronic GVHD (cGVHD), osteoporosis, secondary solid tumours due to immunosuppressive drugs to treat cGVHD and severity of cGVHD, and fertility and pregnancy issues...
November 1, 2016: Journal of Ovarian Research
https://www.readbyqxmd.com/read/27787477/assessment-of-ovarian-reserve-and-fertility-preservation-strategies-in-children-treated-for-cancer
#17
Laura Guzy, Isabelle Demeestere
INTRODUCTION: The survival rate of chemotherapy treatments of malignant cancer or non- malignant conditions are continuously improving. As a result, there is an increased number of patients who received a gonadotoxic treatment during childhood and who later face fertility issues. Depending on the extent of the damage to the ovaries, acute or late complications may occur. Acute ovarian failure is defined by permanent amenorrhea after a high-risk treatment. When the drugs used are less gonadotoxic, ovarian insufficiency might appear later...
October 27, 2016: Minerva Ginecologica
https://www.readbyqxmd.com/read/27775808/letter-to-the-editor-dtc-chemotherapy-regimen-is-associated-with-higher-incidence-of-premature-ovarian-failure-in-women-of-reproductive-age-with-breast-cancer
#18
L Del Pup, G Codacci Pisanelli, S Schettini, M Guido, F A Peccatori
No abstract text is available yet for this article.
October 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27769945/akt-activation-by-evodiae-fructus-extract-protects-ovary-against-4-vinylcyclohexene-diepoxide-induced-ovotoxicity
#19
Eun-Young Nam, Sun Ah Kim, Heejung Kim, Su-Hyun Kim, Jae-Hyun Han, Ju-Hee Lee, Dong-Il Kim
ETHNOPHARMACOLOGICAL RELEVANCE: Evodiae Fructus (EF) is the dried, unripe fruit of Evodia rutaecarpa Benth., and one of the main components of traditional herbal prescriptions issued for the treatment of sterility caused by irregular menstruation in Korea. However, scientific evidence regarding the efficacy and action mechanism of EF is lacking. AIM OF THE STUDY: In this study, the authors established an in vitro screening tool to identify promising new drug candidates in herbal medicines for the prevention and treatment of premature ovarian failure...
December 24, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27759460/occult-form-of-premature-ovarian-insufficiency
#20
I G Shestakova, V E Radzinsky, M B Khamoshina
Premature ovarian insufficiency (POI) is a life-changing diagnosis, with profound physical and psychological consequences. Despite the description of different genetic, immune and iatrogenic factors of POI, the etiology of most cases of this disease are unexplained, and optimal management strategies are still unclear. Recent data showed that POI may have a long period of oligomenorrhea before the fully developed form (complete ovarian failure stage), with the occurrence of amenorrhea and climacteric symptoms...
October 2016: Gynecological Endocrinology
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