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https://www.readbyqxmd.com/read/28448063/gonadotropin-levels-in-urine-during-early-postnatal-period-in-small-for-gestational-age-preterm-male-infants-with-fetal-growth-restriction
#1
S Nagai, M Kawai, M Myowa-Yamakoshi, T Morimoto, T Matsukura, T Heike
OBJECTIVE: The objective of this study was to estimate gonadotropin concentrations in small for gestational age (SGA) male infants with the reactivation of the hypothalamic-pituitary-gonadal axis during the first few months of life that is important for genital development. STUDY DESIGN: We prospectively examined 15 SGA and 15 appropriate for gestational age (AGA) preterm male infants between 2013 and 2014 at Kyoto University Hospital. Gonadotropin concentrations (luteinizing hormone (LH) and follicle-stimulating hormone (FSH)) were measured in serial urine samples from the postnatal days 7 to 168 and compared between SGA and AGA infants using the Mann-Whitney test...
April 27, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28443501/testicular-dysfunction-is-a-common-feature-in-men-with-type2-diabetes-mellitus-in-a-nigerian-tertiary-hospital
#2
Onung Samuel Inih, Young Ekenechukwu Esther, Fasanmade Olufemi Adetola, Anyanwu Anthony Chinedu, Nwatu Chidinma Brenda, Ohwovoriole Augustine Efedaye
BACKGROUND: Hypogonadism in male patients with diabetes mellitus is associated with older age, obesity and poor glycaemic control. The patterns of sperm count, testicular volume, sperm motility and morphology have also been reported to be abnormal in these patients, though reports are conflicting. The objectives of this study were to assess gonadal function and sperm parameters in Nigerian males with diabetes mellitus. METHODS: A study sample of 150 males consisting of 108 patients and 56 age-matched controls were recruited...
April 25, 2017: Current Diabetes Reviews
https://www.readbyqxmd.com/read/28441807/-the-change-of-female-progesterone-level-and-blood-calcium-concentration-in-perimenopausal-women-with-benign-paroxysmal-positional-vertigo
#3
S F Wang, L Zhang, G H Li, W W Zhang, Y P Wang, B Geng
Objective: The estrogen level and blood calcium concentration changes were studied on menopausal women with benign paroxysmal positional vertigo (BPPV). Methods: Between January 2015 and January 2016, 70 menopause women with BPPV in outpatient clinics of Department of Otorhinolaryngology, Inner Mongolia Medical University Affiliated Hospital were included in this study as research group, while 30 menopause healthy women who came to hospital for check-up were included as control group. Serum levels of estradiol (E2), follicle stimulating hormone (FSH), luteinizing hormone (LH), progesterone (PRO), testosterone (T), serum prolactin (PRL) and the calcium concentration were analysed and comparied between research group and control group...
April 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28438864/partial-deletions-of-y-chromosome-in-infertile-men-with-non-obstructive-azoospermia-and-oligoasthenoteratozoospermia-in-a-turkish-population
#4
Cemallettin Cengiz Beyaz, Sezgin Gunes, Kadir Onem, Tuba Kulac, Ramazan Asci
Many genetic alterations have been identified to aid in understanding the genetic basis of male infertility, however, the cause of 30% of male infertility remains unknown. Some studies indicated that subdeletions of Y chromosome may be a reason for male infertility caused by testicular failure. In this regard, we aimed to investigate frequency of AZFc region subdeletions and their clinical effects in patients with idiopathic infertility. A total of 333 male infertile patients with non-obstructive azoospermia (NOA) or oligoasthenoteratozoospermia (OAT), and 87 normozoospermic controls were screened to detect gr/gr, b1/b3 and b2/b3 subdeletions...
May 2017: In Vivo
https://www.readbyqxmd.com/read/28437630/modified-natural-cycle-for-embryo-transfer-using-frozen-thawed-blastocysts-a-satisfactory-option
#5
Quoc V Le, Sina Abhari, Omar M Abuzeid, Jennifer DeAnna, Mohamed A Satti, Tarek Abozaid, Iqbal Khan, Mostafa I Abuzeid
OBJECTIVE: To describe pregnancy outcomes of frozen-thawed blastocysts cycles using modified natural cycle frozen embryo transfers (NC-FET) and down-regulated hormonally controlled frozen embryo transfers (HC-FET) protocols. STUDY DESIGN: This retrospective cohort study included all patients undergoing either modified NC-FET or down-regulated HC-FET using frozen-thawed day 5 embryos. Cycles with donor blastocysts were excluded. Four hundred twenty eight patients underwent a total of 493 FET cycles...
April 6, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28433506/heifers-express-g-protein-coupled-receptor-61-in-anterior-pituitary-gonadotrophs-in-stage-dependent-manner
#6
Kiran Pandey, Onalenna Kereilwe, Vitaliano Borromeo, Hiroya Kadokawa
Gonadotropin-releasing hormone receptors (GnRHRs) colocalize with insulin and glucocorticoid receptors in lipid rafts of the gonadotroph plasma membrane, where they facilitate downstream signaling. We recently found that orphan G-protein-coupled receptor (GPR)61 is expressed in the anterior pituitary (AP) of heifers, leading us to speculate that GPR61 colocalizes with GnRHR in the plasma membrane of gonadotroph and is expressed at specific times of the reproductive cycle. To test this hypothesis, we examined the coexpression of GnRHR, GPR61, and either luteinizing hormone (LH) β subunit or follicle-stimulating hormone (FSH) β subunit in AP tissue and cultured AP cells by immunofluorescence microscopy...
April 4, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28432270/discriminating-between-virilizing-ovary-tumors-and-ovary-hyperthecosis-in-postmenopausal-women-clinical-data-hormonal-profiles-and-image-studies
#7
Viviane Dos Reis Vieira Yance, José Antonio Miguel Marcondes, Michelle Patrocíneo Rocha, Cristiano Roberto Grimaldi Barcellos, Wagner Silva Dantas, Ana Flavia Assis Avila, Ronaldo Hueb Baroni, Filomena Marino Carvalho, Sylvia Asaka Yamashita Hayashida, Berenice Bilharinho Mendonça, Sorahia Domenice
The presence of virilizing signs associated with high serum androgen levels in postmenopausal women is rare. Virilizing ovarian tumors (VOTs) and ovarian stromal hyperthecosis (OH) are the most common etiologies in virilized postmenopausal women. The differential diagnosis between these two conditions is often difficult. OBJECTIVE: To evaluate the contribution of clinical features, hormonal profiles and radiological studies to the differential diagnosis of VOT and OH. DESIGN: A retrospective study...
April 21, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28428940/factors-influencing-sperm-retrieval-following-testicular-sperm-extraction-in-nonobstructive-azoospermia-patients
#8
Peyman Salehi, Marzieh Derakhshan-Horeh, Zakiye Nadeali, Majid Hosseinzadeh, Erfan Sadeghi, Mohammad Hossein Izadpanahi, Mansour Salehi
OBJECTIVE: Azoospermia owing to testicular disorders is the most severe manifestation of male infertility. The main concern for patients with nonobstructive azoospermia (NOA) is the probability of successful sperm retrieval following testicular sperm extraction (TESE). Therefore, the goal of this study was to determine predictive factors correlated with sperm retrieval. METHODS: We assessed the testicular histopathological patterns, the choice of TESE surgical procedure, hormone levels, and chromosomal abnormalities in patients with NOA (n=170)...
March 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28421902/the-role-of-ovarian-reserve-markers-in-prediction-of-clinical-pregnancy
#9
Ali G Zebitay, Orkun Cetin, Fatma F Verit, Seda Keskin, M Nafi Sakar, Sercin Karahuseyinoglu, Gulsah Ilhan, Sezai Sahmay
To evaluate the role of ovarian reserve markers in the prediction of clinical pregnancy and embryo transfer accomplishment among poor responder IVF applicants. 304 female poor responder IVF applicants were included in this prospective cohort study conducted at the IVF-unit. Antral follicle count, FSH, LH, E2, AMH and IVF outcomes were compared in pregnant and non-pregnant groups as well as in ET vs. non-ET groups. The number of retrieved oocytes was significantly correlated positively with AMH and AFC, and negatively with FSH and age...
May 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28420905/effects-of-supervised-aerobic-training-on-the-levels-of-anti-mullerian-hormone-and-adiposity-measures-in-women-with-normo-ovulatory-and-polycystic-ovary-syndrome
#10
Einas Al-Eisa, Sami Ali Gabr, Ahmad Hieder Alghadir
OBJECTIVE: To evaluate the change in the levels of anti-Mullerian hormone, adiponectin, weight loss and fertility parameters in obese women with or without polycystic ovary syndrome, following 12 weeks of supervised aerobic exercise. METHODS: This study was conducted from August 2013 to October 2014 among obese women with or without polycystic ovary syndrome referred to Obstetrics and Gynecology clinic, Mansoura University Hospital, Faculty of Medicine, Mansoura, Egypt...
April 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28420820/high-insulin-impaired-ovarian-function-in-early-pregnant-mice-and-the-role-of-autophagy-in-this-process
#11
Yan Su, Juan Wu, Junlin He, Xueqing Liu, Xuemei Chen, Yubin Ding, Chen Zhang, Wenqi Chen, Yingxiong Wang, Rufei Gao
Metabolic disorders, such as PCOS (polycystic ovarian syndrome) and T2DM (type 2 diabetes mellitus), are associated with menstrual dysfunction, anovulation, infertility, and early pregnancy loss. Ovarian dysfunction is not only related to low pregnancy rates but also to the increased risk of miscarriage. Women with PCOS or T2DM, characterized by hyperinsulinemia, commonly experience ovarian dysfunction. In this study, we first explored whether high insulin levels directly affected ovarian functioning during embryo implantation...
April 18, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28420799/neonatal-hypothyroidism-does-not-increase-sertoli-cell-proliferation-in-inos-mice
#12
Nathalia de Lima E Martins Lara, Luiz Renato de França
Sertoli cell (SC) proliferation in mice occurs until two weeks after birth and is mainly regulated by FSH and thyroid hormones. Previous studies have shown that transient neonatal hypothyroidism in laboratory rodents is able to extend SC mitotic activity, leading ultimately to higher testis size and daily sperm production (DSP) in adult animals. Moreover, we have shown that due to higher SC proliferation and lower germ cell apoptosis, iNOS deficiency in mice also results in higher testis size and DSP. Although the cell size was smaller, the Leydig cells (LC) number per testis also significantly increased in iNOS(-/-) mice...
April 18, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28413915/oxidative-stress-status-in-congenital-hypogonadism-an-appraisal
#13
C Haymana, A Aydoğdu, B Soykut, O Erdem, T Ibrahimov, M Dinc, C Meric, Y Basaran, A Sonmez, O Azal
Patients with hypogonadism are at increased risk of cardiac and metabolic diseases. However, the pathogenesis of increased cardiometabolic risk in patients with hypogonadism is not clear. Oxidative stress plays an important role in the pathogenesis of cardiometabolic diseases. This study aimed to investigate possible differences in oxidative stress conditions between patients with hypogonadism and healthy controls. In this study, 38 male patients with congenital hypogonadotrophic hypogonadism (CHH) (mean age: 21...
April 16, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/28410943/efficacy-of-single-stage-and-two-stage-fowler-stephens-laparoscopic-orchidopexy-in-the-treatment-of-intraabdominal-high-testis
#14
Chang-Yuan Wang, Yang Wang, Xiao-Hua Chen, Xiao-Yu Wei, Feng Chen, Min Zhong
BACKGROUND/OBJECTIVE: To compare the curative effect of single-stage and two-stage Fowler-Stephens (F-S) laparoscopic orchidopexy for intraabdominal high testis and explore the appropriate surgical approach. METHODS: We performed a prospective analysis of the clinical data of 28 patients who underwent F-S laparoscopic orchidopexy for intraabdominal high testis in our department from May 2012 to April 2015, including 15 cases of the single-stage F-S operation and 13 cases of the two-stage F-S operation...
April 12, 2017: Asian Journal of Surgery
https://www.readbyqxmd.com/read/28410456/use-of-bone-morphogenetic-protein-15-polymorphisms-to-predict-ovarian-stimulation-outcomes-in-infertile-brazilian-women
#15
Carla Peluso, Cecilia Goldman, Viviane Cavalcanti, Guilherme Gastaldo, Camila Martins Trevisan, Denise Maria Christofolini, Caio Parente Barbosa, Bianca Bianco
AIMS: Polymorphisms in the gene encoding bone morphogenetic protein 15 (BMP15) can result in inhibited secretion or lowered bioactivity of the BMP15 protein. BMP15 levels are associated with follicle-stimulating hormone receptor (FSHR) action on granulosa cells, wherein FSHR increases the sensitivity of ovarian follicles to follicle-stimulating hormone (FSH). In this study we evaluated the BMP15 polymorphisms A905 > G/rs3897937, C901 > T/rs17003221, and C-9 > G/rs3810682 in infertile Brazilian women in terms of anti-Mullerian hormone (AMH), FSH, and estradiol serum levels, as well as controlled ovarian hyperstimulation response and assisted reproduction outcomes...
April 14, 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/28407051/igf1r-expression-in-ovarian-granulosa-cells-is-essential-for-steroidogenesis-follicle-survival-and-fertility-in-female-mice
#16
Sarah C Baumgarten, Marah Armouti, CheMyong Ko, Carlos Stocco
Folliculogenesis is a lengthy process that requires the proliferation and differentiation of granulosa cells (GCs) for preovulatory follicle formation. The most crucial endocrine factor involved in this process is follicle-stimulating hormone (FSH). Interestingly, previous in vitro studies indicated that FSH fails to stimulate GC proliferation in the absence of the insulin-like growth factor 1 receptor (IGF1R). To determine the role of the IGF1R in vivo, female mice with a conditional knockdown of the IGF1R in the GCs were produced and had undetectable levels of IGF1R mRNA and protein in the GCs...
April 12, 2017: Endocrinology
https://www.readbyqxmd.com/read/28403963/the-wnt-%C3%AE-catenin-signaling-pathway-may-be-involved-in-granulosa-cell-apoptosis-from-patients-with-pcos-in-north-china
#17
X-Q Wu, Y-Q Wang, S-M Xu, J-F Liu, X-Y Bi, Z-Q Wang, J-P Zhang
INTRODUCTION: Investigate the expressions of WNTs in granulosa cells of PCOS in North China, and explore the possible mechanism. MATERIAL AND METHODS: Patients with PCOS (n=40) and controls without PCOS (n=20) were enrolled into the study. The levels of serum sex hormone were detected by chemiluminescent enzyme immunoassay. RT-qPCR was used to measure mRNA levels of WNT family members (WNT1, WNT3, WNT4, WNT5, sFRP4 and sFRP5). The levels of Bax and Bcl-2 were measured by enzyme-linked immunosorbent assay...
January 2017: J Gynecol Obstet Hum Reprod
https://www.readbyqxmd.com/read/28400095/anti-mullerian-hormone-as-a-parameter-for-endometrial-trauma-in-asherman-syndrome-a-retrospective-data-analysis
#18
Regina Promberger, Johannes Ott
Recently, the endometrium has been identified as a repository for Anti-Mullerian hormone (AMH), with endometrial masses associated with AMH serum levels. We aimed to compare AMH levels, as well as other parameters for ovarian reserve, in women with endometrial trauma due to Asherman syndrome (AS) and matched controls. In a retrospective study, nine women with hysteroscopically confirmed AS were compared to nine matched controls. Follicle-stimulating hormone, luteinizing hormone, and estradiol levels did not differ between women with and without AS, whereas significantly lower AMH levels were found in patients (median 0...
April 8, 2017: Reproductive Biology
https://www.readbyqxmd.com/read/28399596/antral-follicles-count-and-anti-m%C3%A3-llerian-hormone-levels-after-gonadotoxic-chemotherapy-in-patients-with-breast-cancer-cohort-study
#19
Ângela Marcon D'Avila, Edison Capp, Helena von Eye Corleta
Aim To assess ovarian reserve (OVR) by means of follicle-stimulating hormone (FSH), anti-Müllerian hormone (AMH), and antral follicle count (AFC) measurement in eumenorrheic women with breast cancer, exposed to gonadotoxic chemotherapy. Method Fifty-two women (35.3 ± 3.8 years old) with breast cancer and undergoing cyclophosphamide-containing chemotherapy were enrolled. The assessment was performed before chemotherapy (T1) and after 2 (T2) and 6 months (T3). Results Six months after chemotherapy, the prevalence of regular cycles was 60%...
April 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28381248/reproductive-hormonal-variations-and-adenohypophyseal-lesions-in-pre-pubertal-buffalo-heifers-inoculated-with-pasteurella-multocida-type-b-2-and-its-immunogens
#20
Faez Firdaus Abdullah Jesse, Hayder Hamzah Ibrahim, Yusuf Abba, Eric Lim Teik Chung, Ali Dhiaa Marza, Mazlina Mazlan, Mohd Zamri-Saad, Abdul Rahman Omar, Md Zuki Abu Bakar Zakaria, Abdul Aziz Saharee, Abd Wahid Haron, Mohd Azmi Mohd Lila
BACKGROUND: Hemorrhagic septicemia is a fatal disease of cattle and buffaloes caused by P. multocida. Although the pathogenesis of the bacteria has been well established in literature, there is a paucity of information on the possible role of the bacteria and its immunogens; lipopolysaccharide (LPS) and outer membrane proteins (OMPs) on the reproductive capacity of buffalo heifers. METHODS: In this study, twenty one healthy prepubertal female buffaloes aged 8 months were divided into seven groups of 3 buffaloes each (G1-G7)...
April 5, 2017: BMC Veterinary Research
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