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Anti-mullerian hormone

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https://www.readbyqxmd.com/read/29231589/-effects-of-moxibustion-at-shenshu-bl-23-on-level-of-sex-hormones-and-amh-in-sub-health-peri-menopausal-women
#1
Jie Shen, Meihong Shen, Zhongren Li, Rongli Zhang, Xia Li, Bingwei Ai
OBJECTIVE: To compare the effects between moxibustion at Shenshu (BL 23) and oral administration of Vitamin E on quality of life and mechanism in sub-health perimenopausal women, aiming to provide clinical evidence of moxibustion for health care of sub-health female. METHODS: Sixty participants were randomly divided into a moxibustion group and a medication group, 30 cases in each one. The volunteers in the moxibustion group were treated with mild moxibustion at bilateral Shenshu (BL 23) for 15 min, once a day; five treatments were considered as a course of treatment, and totally 4 courses were given with an interval of 2 days between courses...
April 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29227911/inhibin-a-and-inhibin-b-in-cyclic-and-pregnant-mares-and-mares-with-granulosa-theca-cell-tumors-physiological-and-diagnostic-implications
#2
A J Conley, E L Scholtz, G Dujovne, R F Cotterman, E L Legacki, R C Uliani, M A Alvarenga, B A Ball, B Kalra, G V Savjani, A Kumar
Studies in mares have examined serum inhibin concentrations using immuno-assays unable to distinguish dimeric inhibin-A from inhibin-B isoforms. Inhibin-A and inhibin-B immuno-assays were used to investigate concentrations in cyclic mares, young and old (6 vs 19 years old, respectively) mares following hemi-ovariectomy, mares during pregnancy and in mares with confirmed granulosa cell tumors (GCTs). Mares with inter-ovulatory intervals of 26 days had ovulatory peaks of inhibin-A averaging 80 pg/mL with a mid-cycle nadir of 5 pg/mL...
December 7, 2017: Theriogenology
https://www.readbyqxmd.com/read/29212401/evaluating-the-effects-of-administration-of-25-hydroxyvitamin-d-supplement-on-serum-anti-mullerian-hormone-amh-levels-in-infertile-women
#3
Zahra Naderi, Maryam Kashanian, Leily Chenari, Narges Sheikhansari
The aim of the study was to evaluate the effects of administration of 25-hydroxyvitamin D [25(OH) D] on serum antimullerian hormone (AMH) levels in infertile women. The study was performed as a non-randomized clinical trial on 30 infertile women who had low serum level of both 25(OH) D and anti-mullerian hormone. Vitamin D was prescribed 50,000 IU weekly for up to three months for all eligible participants. Serum levels of both 25(OH) D and AMH have increased significantly after treatment with 25(OH) D. There was a significant correlation between serum levels of 25(OH) D after treatment with AMH (p = ...
December 6, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29209484/correlation-between-saliva-and-serum-concentrations-of-estradiol-in-women-undergoing-ovarian-hyperstimulation-with-gonadotropins-for-ivf-icsi
#4
C Dielen, T Fiers, S Somers, E Deschepper, J Gerris
Aim of the study: To examine saliva- and serum concentrations correlation of estradiol (E2) in women undergoing ovarian hyperstimulation for IVF/ICSI. Saliva measurements could simplify stimulation follow up. A 'home' test for E2 could be useful. Methods: Prospective interventional academic monocentric study at the Centre for Reproductive Medicine of the University Hospital of Ghent, Belgium. Between November 2014 and August 2015 thirty-one patients were included after random selection (inclusion criteria: < 41 years of age, any rank of IVF/ICSI cycle, serum anti- Müllerian hormone concentration ≥ 1 μg/L, treatment completely at the University Hospital...
June 2017: Facts, Views & Vision in ObGyn
https://www.readbyqxmd.com/read/29208362/feminizing-effects-of-exposure-to-corexit-enhanced-water-accommodated-fraction-of-crude-oil-in-vitro-on-sex-determination-in-alligator-mississippiensis
#5
Cameron E Williams, Nicole A McNabb, Arnold Brunell, Russell H Lowers, Yoshinao Katsu, Demetri D Spyropoulos, Satomi Kohno
Deepwater Horizon spilled over 200 million gallons of oil into the waters of the Gulf of Mexico in 2010. In an effort to contain the spill, chemical dispersants were applied to minimize the amount of oil reaching coastal shorelines. However, the biological impacts of chemically-dispersed oil are not well characterized, and there is a particular lack of knowledge concerning sublethal long-term effects of exposure. This study examined potential estrogenic effects of CWAF, Corexit 9500-enhanced water-accommodated fraction of oil, by examining its effect on estrogen receptors and sex determination in the American alligator, Alligator mississippiensis...
December 2, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29201666/occult-form-of-premature-ovarian-insufficiency-in-women-with-infertility-and-oligomenorrhea-as-assessed-by-poor-ovarian-response-criteria
#6
Rubina Izhar, Samia Husain, Suhaima Tahir, Sonia Husain
Background: The purpose of this study was to evaluate the ability of poor ovarian response criteria to classify women presenting with infertility and oligomenorrhea as having "occult" premature ovarian insufficiency. Methods: This was a cross sectional study conducted at Aziz Medical Center, Karachi, Pakistan from 1st August 2015 to 31st July 2016. Women with infertility and oligomenorrhea were included. All eligible women underwent day 2 FSH level and an early follicular phase transvaginal ultrasound to assess the antral follicular count (AFC)...
October 2017: Journal of Reproduction & Infertility
https://www.readbyqxmd.com/read/29194807/prevalence-of-the-amhr2-mutation-in-miniature-schnauzers-and-genetic-investigation-of-a-belgian-malinois-with-persistent-m%C3%A3-llerian-duct-syndrome
#7
M M Smit, K J Ekenstedt, K M Minor, C K Lim, Paj Leegwater, E Furrow
Persistent Müllerian duct syndrome (PMDS) is a sex-limited disorder in which males develop portions of the female reproductive tract. Important consequences of PMDS are cryptorchidism and its sequelae of infertility and increased risk of testicular cancer. Anti-Müllerian hormone (AMH) and its receptor (AMHR2) induce the regression of the Müllerian ducts in male embryos. In Miniature Schnauzer dogs, the genetic basis has been identified as an autosomal recessive nonsense mutation in AMHR2, but the allele frequency of the mutation is unknown...
December 1, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/29187833/transcriptome-analysis-on-single-small-yellow-follicles-reveals-that-wnt4-is-involved-in-chicken-follicle-selection
#8
Yiya Wang, Qiuyue Chen, Zemin Liu, Xiaoli Guo, Yanzhi Du, Zhenjie Yuan, Miao Guo, Li Kang, Yi Sun, Yunliang Jiang
Ovarian follicle selection is an important process impacting the laying performance and fecundity of hens, and is regulated by follicle-stimulating hormone (FSH) through binding to its receptor [follicle-stimulating hormone receptor (FSHR)]. In laying hens, the small yellow follicle (6-8 mm in diameter) with the highest expression of FSHR will be recruited into the preovulatory hierarchy during ovarian follicle development. The study of molecular mechanism of chicken follicle selection is helpful for the identification of genes underlying egg-laying traits in chicken and other poultry species...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29185361/melatonin-concentration-in-follicular-fluid-is-correlated-with-antral-follicle-count-afc-and-in-vitro-fertilization-ivf-outcomes-in-women-undergoing-assisted-reproductive-technology-art-procedures
#9
Min Zheng, Jing Tong, Wei-Ping Li, Zi-Jiang Chen, Cong Zhang
The aim of the present study was to evaluate the possible relationship between melatonin levels in the follicular fluid (FF) and in vitro fertilization (IVF) outcomes in women undergoing assisted reproductive treatment. Sixty-three females (20 to 40 years old) scheduled for IVF were divided into three groups based on their antral follicle count (AFC). We determined FF melatonin concentrations in group A (AFC≦6, n = 21), group B (7≦AFC≦14, n = 22), group C (AFC≧15, n = 20) on oocyte retrieval day...
November 29, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29177592/hyperandrogenemia-and-ovarian-reserve-in-patients-with-mayer-rokitansky-k%C3%A3-ster-hauser-syndrome-type-1-and-2-potential-influences-on-ovarian-stimulation
#10
Melanie Henes, Ludmila Jurow, Andreas Peter, Birgitt Schoenfisch, Florin Andrei Taran, Markus Huebner, Harald Seeger, Sara Yvonne Brucker, Kristin Katharina Rall
PURPOSE: This study aimed to analyze the hormone profiles, to detect the rate of hyperandrogenemia and to investigate the potential effect of Mayer-Rokitansky-Küster-Hauser syndrome (MRKHS) on ovarian reserve, as reflected by the serum Anti-Mullerian hormone (AMH) levels. Clinical implications were analyzed by including our own experiences with three patients after ovarian stimulation in preparation for uterus transplantation. METHODS: Serum samples of 100 patients with MRKHS (50 patients with MRKHS type 1 and 50 with type 2) were analyzed and compared to 50 individually age-matched healthy controls...
November 24, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29177503/mice-with-either-diminished-or-elevated-levels-of-anti-m%C3%A3-llerian-hormone-amh-have-decreased-litter-sizes
#11
Ian S McLennan, Kyoko Koishi, Nicola J Batchelor, Michael W Pankhurst
Anti-Müllerian hormone (AMH) is both a gonadal hormone and a putative paracrine regulator of neurons, the uterus and the placenta. A mouse line with neuronal expression of AMH (Thy1.2-AMH) was generated to examine the role of paracrine AMH in the brain. The mice had normal behavior, but un-expectantly AMH was present in the circulation of the transgenic mice. Thy1.2-AMHTg/0 studs sired pups with a normal frequency, when mated with wild-type dams. In stark contrast, Thy1.2-AMHTg/0 dams rarely gave birth, with evidence of spontaneous mid-gestational abortion...
November 21, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29175649/anti-m%C3%A3-llerian-hormone-genetic-and-environmental-effects
#12
REVIEW
Seyedeh Zahra Shahrokhi, Faranak Kazerouni, Firouzeh Ghaffari
Anti-Müllerian hormone (AMH) is a homodimeric glycoprotein produced by granulosa cells of growing ovarian follicles. AMH appears to have an inhibitory effect on both primordial follicle recruitment and responsiveness of growing follicles to follicle-stimulating hormone (FSH). This hormone is considered to be a reliable marker of ovarian reserve; therefore, it is crucial to determine which factors influence AMH levels for prognostic and diagnostic purposes. In this review we intend to discuss the effect of genetic and environmental factors which may lead to AMH interindividual variability...
November 23, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29175175/the-relationship-between-circulating-concentration-of-amh-and-lh-content-in-the-follicle-stimulating-hormone-fsh-preparations-on-follicular-growth-and-ovulatory-response-to-superovulation-in-water-buffaloes
#13
A K Redhead, N Siew, N Lambie, D Carnarvon, R Ramgattie, M Knights
The relationship between circulating concentration of anti-mullerian hormone (AMH) and the LH content of follicle stimulating hormone (FSH) preparation on follicular growth and ovulatory response in water buffaloes was evaluated. A single blood sample was taken from cows (N=31; age: 9.06±0.98years) to determine systemic AMH. Animals with concentrations higher or lower than 194±30pg/ml were placed into LOW and HIGH AMH groups and were assigned randomly to be superovulated FSH containing either a high (FSHp, HLH) or low (FolltropinV, LLH) LH content...
November 10, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/29169572/opportunistic-salpingectomy-in-women-undergoing-hysterectomy-results-from-the-hystub-randomised-controlled-trial
#14
L A M Van Lieshout, B Pijlman, M C Vos, M J M de Groot, S Houterman, S F P J Coppus, M G Harmsen, I Vandenput, J M J Piek
OBJECTIVE: To evaluate whether opportunistic salpingectomy in premenopausal women undergoing hysterectomy for benign indications is both hormonally and surgically safe, compared with hysterectomy without salpingectomy. STUDY DESIGN: In this multicentre randomised controlled trial, women were randomised to undergo either hysterectomy with opportunistic bilateral salpingectomy (intervention group) or standard hysterectomy with preservation of the Fallopian tubes (control group)...
January 2018: Maturitas
https://www.readbyqxmd.com/read/29156452/an-international-consortium-update-pathophysiology-diagnosis-and-treatment-of-polycystic-ovarian-syndrome-in-adolescence
#15
Lourdes Ibáñez, Sharon E Oberfield, Selma F Witchel, Richard J Auchus, R Jeffrey Chang, Ethel Codner, Preeti Dabadghao, Feyza Darendeliler, Nancy Samir Elbarbary, Alessandra Gambineri, Cecilia Garcia Rudaz, Kathleen M Hoeger, Abel López-Bermejo, Ken Ong, Alexia S Peña, Thomas Reinehr, Nicola Santoro, Manuel Tena-Sempere, Rachel Tao, Bulent O Yildiz, Haya Alkhayyat, Asma Deeb, Dipesalema Joel, Reiko Horikawa, Francis de Zegher, Peter A Lee
This paper represents an international collaboration of paediatric endocrine and other societies (listed in the Appendix) under the International Consortium of Paediatric Endocrinology (ICPE) aiming to improve worldwide care of adolescent girls with polycystic ovary syndrome (PCOS)1. The manuscript examines pathophysiology and guidelines for the diagnosis and management of PCOS during adolescence. The complex pathophysiology of PCOS involves the interaction of genetic and epigenetic changes, primary ovarian abnormalities, neuroendocrine alterations, and endocrine and metabolic modifiers such as anti-Müllerian hormone, hyperinsulinemia, insulin resistance, adiposity, and adiponectin levels...
November 13, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/29148520/an-in-vitro-prototype-of-a-porcine-biomimetic-testis-like-cell-culture-system-a-novel-tool-for-the-study-of-reassembled-sertoli-and-leydig-cells
#16
Iva Arato, Giovanni Luca, Francesca Mancuso, Catia Bellucci, Cinzia Lilli, Mario Calvitti, Barbara C Hansen, Domenico Milardi, Giuseppe Grande, Riccardo Calafiore
At present, there is no reliable in vitro assembled prepubertal testis-like biomimetic organ culture system designed to assess the functional effects of human gonadotropins on Sertoli and Leydig cells. Spermatogenesis is regulated by endocrine, paracrine, and juxtacrine factors (testicular cross-talk), mainly orchestrated by gonadotropins such as luteinizing hormone (LH) and follicle-stimulating hormone (FSH) that play a pivotal role by stimulating Leydig and Sertoli cells, respectively. The aim of our study was to set up an in vitro prepubertal porcine bioengineered construct as a new model for experimental studies on reassembled Sertoli and Leydig cells...
November 10, 2017: Asian Journal of Andrology
https://www.readbyqxmd.com/read/29144548/anti-m%C3%A3-llerian-hormone-measurement-for-the-diagnosis-of-polycystic-ovary-syndrome
#17
Thozhukat Sathyapalan, Ahmed Al-Qaissi, Eric S Kilpatrick, Soha R Dargham, Stephen L Atkin
OBJECTIVE: Anti-Müllerian hormone (AMH) is derived from the small antral follicles and an elevated level has been suggested to add value to the Rotterdam criteria for the diagnosis of PCOS in cases of diagnostic uncertainty. Therefore, the role of AMH in the classical phenotype of PCOS was defined within a Caucasian population. DESIGN: This was a cross sectional study. PATIENTS: 65 women without PCOS and 110 women with PCOS fulfilling all 3 diagnostic Rotterdam criteria...
November 16, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29142448/expression-of-the-bone-morphogenetic-protein-2-bmp2-in-the-human-cumulus-cells-as-a-biomarker-of-oocytes-and-embryo-quality
#18
Sirin B Demiray, Ozlem Yilmaz, Ege N T Goker, Erol Tavmergen, Nilufer Calimlioglu, Ugur Sezerman, Huseyin O Soykam, Gulperi Oktem
Background: The members of the transforming growth factor-B superfamily, as the bone morphogenetic proteins (BMPs) subfamily and anti-Müllerian hormone (AMH), play a role during follicular development, and the bone morphogenetic protein-2 (BMP2), AMH, and THY1 are expressed in ovaries. Aim: This study was designed to define whether or not the expressions of these proteins in human cumulus cells (CCs) can be used as predictors of the oocyte and embryo competence...
July 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/29141508/anti-m%C3%A3-llerian-hormone-amh-may-stall-ovarian-cortex-function-through-modulation-of-hormone-receptors-other-than-the-amh-receptor
#19
Laura Detti, Nicole M Fletcher, Ghassan M Saed, Irene Peregrin-Alvarez, Rebecca A Uhlmann
OBJECTIVE: To test whether recombinant anti-Müllerian hormone (AMH) can inhibit ovarian cortex function by modulating the expression of other hormone receptors. MATERIALS AND METHODS: Pilot experimental study with ovarian cortex obtained from 5 patients. Immediately after explant, the ovarian cortex specimens were divided into 5 equal fragments. One fragment was flash-frozen (uncultured) and 4 were incubated for 48 hours at 37°C in a pH-adjusted gamete buffer medium with increasing AMH concentrations of 0, 5, 25, and 50 ng/mL...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/29137935/prostatic-adenocarcinoma-in-the-setting-of-persistent-m%C3%A3-llerian-duct-syndrome-a-case-report
#20
Zulfia McCroskey, Tracie M Koen, David J Lim, Mukul K Divatia, Steven S Shen, Alberto G Ayala, Jae Y Ro
Persistent Müllerian Duct Syndrome (PMDS) is a form of disordered sex development in which rudimentary Müllerian structures are identified in phenotypically and genotypically normal males. It is caused by defects in the anti-Müllerian hormone (AMH) system. Since patients with PMDS present with undescended testes, testosterone production by Leydig cells later in life is often decreased. The role of androgens in prostate cancerogenesis is well known. Cryptorchid testes and diminished testosterone levels in post pubertal life in patients with PMDS play a protective role against prostate cancer, and hence, prostate cancer is a rare event in patients with PMDS...
November 11, 2017: Human Pathology
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