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Inhibin B

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https://www.readbyqxmd.com/read/29917083/sex-differences-in-reproductive-hormones-during-mini-puberty-in-infants-with-normal-and-disordered-sex-development
#1
T H Johannsen, K M Main, M L Ljubicic, T K Jensen, H R Andersen, M S Andersen, J H Petersen, A-M Andersson, A Juul
CONTEXT: The early activation of the hypothalamic-pituitary-gonadal axis during infancy can be used in the evaluation of infants suspected of disorders of sex development (DSD). However, few data exists on sex-specific reference ranges for these hormones during early life. OBJECTIVE: To evaluate sex-differences in reproductive hormone concentrations in serum from healthy infants in order to define sex-specific cut-off values and to apply these in infants with DSD...
June 15, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29912343/impact-on-testicular-function-of-a-single-ablative-activity-of-3-7-gbq-radioactive-iodine-for-differentiated-thyroid-carcinoma
#2
N Bourcigaux, C Rubino, I Berthaud, M E Toubert, B Donadille, L Leenhardt, I Petrot-Keller, S Brailly-Tabard, J Fromigué, F de Vathaire, T Simon, J P Siffroi, M Schlumberger, P Bouchard, S Christin-Maitre
STUDY QUESTION: What are the consequences of radioactive iodine (RAI) therapy for testicular function? SUMMARY ANSWER: A single activity of 3.7 GBq RAI for differentiated thyroid carcinoma (DTC) treatment in young men transiently altered Sertoli cell function and induced sperm chromosomal abnormalities. WHAT IS KNOWN ALREADY: Few studies, mainly retrospective, have reported the potential impacts of RAI on endocrine and exocrine testicular function...
June 15, 2018: Human Reproduction
https://www.readbyqxmd.com/read/29886763/inhibin-b-in-seminiferous-tubules-of-human-testes-in-normal-spermatogenesis-and-in-idiopathic-infertility
#3
Grigory A Demyashkin
Inhibin B is one of the most significant serum markers of spermatogenesis, but its testicular expression has been poorly studied. Inhibin B sensitivity as well as the ability to reflect the level and condition of spermatogenesis and forecast certain changes in reproductive homeostasis in males is still a subject of active discussion. The purpose of this study is to examine the level of expression of inhibin B in cells of human seminiferous tubules in normal and in pathological spermatogenesis (idiopathic infertility) by revealing the proportion of immunostaining cells for inhibin B...
June 9, 2018: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/29859107/comparison-of-the-influence-of-three-fibroid-treatment-options-supracervical-hysterectomy-ulipristal-acetate-and-uterine-artery-embolization-on-ovarian-reserve-an-observational-study
#4
Piotr Czuczwar, Anna Stepniak, Pawel Milart, Tomasz Paszkowski, Slawomir Wozniak
BACKGROUND: To assess and compare the influence of three fibroid treatment options: supracervical hysterectomy, ulipristal acetate and uterine artery embolization on ovarian reserve. METHODS: Prospective, observational, open-label study performed at the 3rd Chair and Department of Gynecology of the Medical University of Lublin, Poland. Premenopausal Caucasian women with symptomatic uterine fibroids were recruited into 3 groupspatients qualified for supracervical hysterectomies; patients qualified for preoperative ulipristal acetate (UPA) treatment scheduled for supracervical hysterectomies or myomectomies; patients qualified for uterine artery embolization (UAE)...
June 1, 2018: Journal of Ovarian Research
https://www.readbyqxmd.com/read/29797918/-effects-of-electroacupuncture-at-zhongliao-bl-33-and-tianshu-st-25-on-ovarian-function-in-rats-with-premature-ovarian-insufficiency
#5
Weiming Wang, Yang Wang, Jiani Wu, Likun Yang, Zhishun Liu
OBJECTIVE: To explore the effects of electroacupuncture (EA) at "Zhongliao" (BL 33) and "Tianshu" (ST 25) on ovarian function in rats with premature ovarian insufficiency (POI). METHODS: A total of 48 SD female rats with regular estrus were divided into a blank group ( n =8), a model group ( n =10), an EA group ( n =10), a binding group ( n =10) and a tamoxifen (TAM) group ( n =10). The rats in the model group, EA group, binding group and TAM group were all treated with intraperitoneal injection of 4-vinylcyclohexene diepoxide (VCD, 160 mg/kg) for 15 consecutive days to establish the model of POI; the rats in the blank group were treated with normal diet...
May 12, 2018: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29789155/endocrine-and-metabolic-profile-of-peripubertal-standardbred-colts
#6
Robyn E Ellerbrock, Igor F Canisso, Fabio S Lima, Clifford F Shipley, Donald L Thompson, Alan J Conley, Kevin H Kline
The objectives of this study were to determine the concentrations of reproductive and metabolic hormones during the peripubertal period and to assess their relationship with testicular development and body fat deposition. Blood samples were collected from 23 healthy Standardbred colts every four weeks for twelve months. Colts were weighed monthly, and percent of body fat and testicular volume estimated by ultrasound. Onset of puberty was determined as the month when testosterone was two standard deviations above the previous mean...
May 14, 2018: Theriogenology
https://www.readbyqxmd.com/read/29788108/porphyromonas-gingivalis-strain-dependent-inhibition-of-uterine-spiral-artery-remodeling-in-the-pregnant-rat
#7
P Phillips, M B Brown, A Progulske-Fox, X J Wu, L Reyes
Porphyromonas gingivalis (Pg), is an important periodontal pathogen that is also implicated in pregnancy complications involving defective deep placentation (DDP). We hypothesized that Pg invasion of the placental bed promotes DDP. Pregnant rats were intravenously inoculated with sterile vehicle, Pg strain W83, or A7436 at gestation day (GD) 14 (acute cohort). Non-pregnant rats received repeated oral inoculations for 3 months before breeding (chronic cohort). Tissues and/or sera were collected at GD18 for analysis...
May 18, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29770362/study-of-anti-m%C3%A3-llerian-hormone-levels-in-patients-with-myotonic-dystrophy-type-1-preliminary-results
#8
Manuela Ergoli, Massimo Venditti, Raffaele Dotolo, Esther Picillo, Sergio Minucci, Luisa Politano
Myotonic dystrophy type 1 is a multisystemic disorder characterized by myotonia, muscle weakness and involvement of several organs and apparatus such as heart, lungs, eye, brain and endocrine system. Hypogonadism and reproductive abnormalities are frequently reported. A progressive testicular atrophy occurs in about 80% in the affected males leading to Leydig cell hyperproliferation and elevated basal follicle stimulating hormone (FSH) levels. Anti-Müllerian hormone (AMH) - a dimeric glycoprotein belonging to the super-family of transforming grow factor beta (TGF-beta) - is the earliest Sertoli cell hormone secreted in males and, together with inhibin B and FSH, is an important indicator of Sertoli cell function...
December 2017: Acta Myologica: Myopathies and Cardiomyopathies: Official Journal of the Mediterranean Society of Myology
https://www.readbyqxmd.com/read/29765438/decline-in-ovarian-reserve-may-be-an-undiagnosed-reason-for-unexplained-infertility-a-cohort-study
#9
Burak Yücel, Sefa Kelekci, Emine Demirel
Introduction: Unexplained infertility refers to the absence of a definable cause for a couple's failure to achieve pregnancy. Reproductive aging plays a role in pathogenesis of unexplained infertility. We investigated the results of ovarian reserve tests in unexplained infertility. Material and methods: The patients were divided into two groups: unexplained infertility ( n = 148) and male factor infertility ( n = 112). Follicle-stimulating hormone, estradiol, inhibin b levels and anti-Müllerian hormone levels were evaluated...
April 2018: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/29753148/sex-related-differences-in-the-associations-between-maternal-dioxin-like-compounds-and-reproductive-and-steroid-hormones-in-cord-blood-the-hokkaido-study
#10
Chihiro Miyashita, Atsuko Araki, Takahiko Mitsui, Sachiko Itoh, Houman Goudarzi, Seiko Sasaki, Jumboku Kajiwara, Tsuguhide Hori, Kazutoshi Cho, Kimihiko Moriya, Nobuo Shinohara, Katsuya Nonomura, Reiko Kishi
BACKGROUND: Prenatal exposure to dioxin-like compounds (DLCs) irreversibly affects fetal reproductive and steroid hormone synthesis. OBJECTIVE: This study aimed to assess the relationships between maternal DLCs and cord blood reproductive and steroid hormones. METHODS: Participants in this study were pregnant women who enrolled in the Sapporo Cohort of the Hokkaido Study between 2002 and 2005. We quantified 29 DLCs during the 2nd and 3rd trimesters in maternal blood...
May 9, 2018: Environment International
https://www.readbyqxmd.com/read/29752954/regulation-of-the-activins-follistatins-inhibins-axis-by-energy-status-impact-on-reproductive-function
#11
Nikolaos Perakakis, Jagriti Upadhyay, Wael Ghaly, Joyce Chen, Pavlina Chrysafi, Athanasios D Anastasilakis, Christos S Mantzoros
BACKGROUND: We have previously demonstrated that the adipose tissue derived hormone leptin controls reproductive function by regulating the hypothalamic-pituitary-gonadal axis in response to energy deficiency. Here, we evaluate the activins-follistatins-inhibins (AFI) axis during acute (short-term fasting in healthy people) and chronic energy deficiency (women with hypothalamic amenorrhea due to strenuous exercise [HA]) and investigate their relation to leptin and reproductive function in healthy subjects and subjects with HA...
May 9, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29740842/melatonin-therapy-adds-extra-benefit-to-varicecelectomy-in-terms-of-sperm-parameters-hormonal-profile-and-total-antioxidant-capacity-a-placebo-controlled-double-blind-trial
#12
X-L Lu, J-J Liu, J-T Li, Q-A Yang, J-M Zhang
In this study, we aimed at investigating the impact of melatonin supplementation on semen parameters, hormonal profile and total antioxidant capacity after varicocelectomy. Infertile male patients who were diagnosed with varicocele and underwent subinguinal varicocelectomy were included in the study. After performing subinguinal varicocelectomy, the patients were randomised into two groups: 27 receiving melatonin for 3 months and 27 as the placebo-controlled group receiving placebo for 3 months. The pre-operative parameters of semen analyses, hormonal profile and seminal oxidative stress status of both groups were compared with those of post-operative parameters...
May 8, 2018: Andrologia
https://www.readbyqxmd.com/read/29738164/-seminal-plasma-anti-m%C3%A3-llerian-hormone-and-inhibin-b-and-serum-inhibin-b-in-predicting-the-outcome-of-routine-ivf-fertilization
#13
Yan-Fei Wang, Xin Wu, Rong Hu, Fei-Miao Wang, Shao-Tong Jia, Li-Guo Pei, Hui Wang, Xiao-E Ouyang, Ting Hu, Yun-Xing Fu
Objective: To analyze the correlations of seminal plasma (sp) anti-Müllerian hormone (spAMH) and inhibin B (spINHB) and serum INHB (serINHB) with semen parameters in oligoasthenospermia patients and explore their value in predicting the outcome of routine in vitro fertilization (IVF). METHODS: We obtained the levels of spAMH, spINHB and serINHB as well as semen parameters from 88 infertile males undergoing IVF due to oligoasthenospermia or female uterine tubal factors from August 2016 to February 2017...
November 2017: Zhonghua Nan Ke Xue, National Journal of Andrology
https://www.readbyqxmd.com/read/29731629/nanosized-titanium-dioxide-induced-premature-ovarian-failure-is-associated-with-abnormalities-in-serum-parameters-in-female-mice
#14
Fashui Hong, Ling Wang
Background: Exposure to titanium dioxide nanoparticles (TiO2 NPs) that are widely used in food, medicine, sunscreen products and cosmetics is reported to cause ovarian damage and lower fertility in animals. However, the potential effects of TiO2 NPs application on premature ovarian failure (POF) have rarely been evaluated to date. Methods: In this study, female mice were continuously exposed to TiO2 NPs at doses of 2.5, 5 or 10 mg/kg via gavage instillation for 30 days, and investigated the serum hormones and autoimmunity markers associated with POF...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29726646/-orchidopexy-increases-the-levels-of-serum-anti-m%C3%A3-llerian-hormone-and-inhibin-b-in-cryptorchidism-patients
#15
Shun-Shun Cao, Yang-Yang Hu, Cun-Jin Nan
Objective: To investigate the levels of serum anti-Müllerian hormone (AMH) and inhibin B (INHB) in patients with unilateral cryptorchidism before and after orchidopexy. METHODS: This study included 58 cases of unilateral cryptorchidism treated by orchidopexy and 32 healthy controls. Before and at 6 months after surgery, we measured the length and circumference of the penis, the volume of the undescended testis, and levels of serum AMH and INHB. RESULTS: There were statistically significant differences between the unilateral cryptorchidism and healthy control groups in the levels of serum AMH ([102...
August 2017: Zhonghua Nan Ke Xue, National Journal of Andrology
https://www.readbyqxmd.com/read/29725281/ovarian-reserve-evaluation-after-laparoscopic-cyst-enucleation-depending-on-applied-haemostasis-technique-and-with-particular-consideration-of-endometrial-cysts
#16
Dariusz Owczarek, Andrzej Malinowski, Miłosz Wilczyński
Aim of the study: was an evaluation of the effects, exerted by obtained haemostasis on ovarian reserve, depending on haemostasis technique, applied after laparoscopic enucleation of endometrial cysts. Material and methods: Sixty-six female patients, at the age of 20-35 years, were included into the study. The diameters of the cystic lesions were within 40-70 mm. The patients were randomly assigned to two study groups. Group 1 involved patients after laparoscopic enucleation of ovarian cysts, in whom haemostasis was achieved by ovary suturing, while Group 2 included patients with haemostasis achieved by bipolar coagulation technique...
March 2018: Przeglad Menopauzalny, Menopause Review
https://www.readbyqxmd.com/read/29723455/-impacts-of-different-procedures-of-testicular-sperm-retrieval-on-testicular-function-and-antisperm-antibodies-in-azoospermia-patients
#17
Yang-Yang Hu, Li-Yuan Wang, Bo-Tian Song, Shun-Shun Cao, Ao-Lei Chen
Objective: To investigate the influence of different procedures of testicular sperm retrieval on the levels of serum inhibin B (INHB), antisperm antibodies (AsAb), follicle-stimulating hormone (FSH), and testosterone (T) in patients with azoospermia. METHODS: We randomly assigned 210 azoospermia patients to receive testicular sperm extraction (TESE, n = 50), testicular sperm aspiration (TESA, n = 56), testicular fine needle aspiration (TEFNA, n = 64), or microscopic TESE (micro-TESE, n = 40)...
July 2017: Zhonghua Nan Ke Xue, National Journal of Andrology
https://www.readbyqxmd.com/read/29722946/-correlation-of-serum-anti-m%C3%A3-llerian-hormone-with-semen-parameters
#18
Long-Ping Peng, Yong Shao, Cen-Cen Wang, Zhi-Chuan Zou, Tao Shen, Li Chen, Bing Yao
Objective: To investigate the relationship between the serum anti-Müllerian hormone (AMH) level and semen parameters. METHODS: We collected the data about 726 outpatients at the Male Infertility Clinic of Jinling Hospital from September 2015 to November 2016, including 72 with non-obstructive azoospermia, 123 with oligospermia, and 531 with normal sperm concentration. We obtained the semen volume, total sperm count, sperm concentration, sperm motility, the percentages of progressively motile sperm (PMS) and morphologically normal sperm (MNS), and the levels of serum AMH, inhibin B (INH-B), total testosterone (TT) and follicle - stimulating hormone (FSH) of the patients, analyzed the correlation of the serum AMH level with the other parameters, and compared the AMH level among different groups...
June 2017: Zhonghua Nan Ke Xue, National Journal of Andrology
https://www.readbyqxmd.com/read/29706444/impaired-serum-inhibin-b-and-number-of-germ-cells-in-boys-with-cryptorchidism-following-heavily-gestational-maternal-smoking
#19
Simone Hildorf, Erik Clasen-Linde, Lihua Dong, Dina Cortes, Jorgen Thorup
PURPOSE: A meta-analysis including 11,900 cases showed that maternal gestational smoking was associated with increased risk of cryptorchidism. The aim of study was to investigate whether a hormone profile of cryptorchid boys and a supplementing histopathological evaluation of testicular biopsies could add detailed knowledge to the impact of maternal gestational smoking on pathogenesis of cryptorchidism. METHODS: 601 cryptorchid boys aged 4 months to 14 years old were included...
April 5, 2018: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29696926/-protective-effects-of-electroacupuncture-pretreatment-on-ovarian-in-rats-with-premature-ovarian-insufficiency
#20
Weiming Wang, Yang Wang, Jiani Wu, Likun Yang, Zhishun Liu
OBJECTIVE: To explore the protective effect and possible mechanism of electroacupuncture (EA) pretreatment at "Zhongliao" (BL 33) and "Tianshu" (ST 25) on ovarian in rats with premature ovarian insufficiency (POI). METHODS: A total of 32 SD female rats with regular estrus were randomly divided into a blank group, a model group, an EA group and an immobilization group, 8 rats in each one. The rats in the model group, EA group and immobilization group were treated with intraperitoneal injection of 4-vinylcyclohexene diepoxide (160 mg/kg) for 15 days to establish the model...
April 12, 2018: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
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