Auflistung Nach Schlagwort "progesterone"
Anzeige der Dokumente 1-20 von 33
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Alterations in xenobiotic-metabolizing enzyme activities across menstrual cycle in healthy volunteers
(2019)The purpose of the study was to determine whether the in vivo activities of drug-metabolizing enzymes CYP1A2 and CYP2A6, xanthine oxidase (XO), and N-acetyltransferase-2 (NAT2) vary across the menstrual cycle. Forty-two ... -
A case of membranous nephropathy associated with Sjögren syndrome, polymyositis and autoimmune hepatitis
(2008)Sjögren syndrome (SS) is a chronic systemic autoimmune disease characterized by lymphocytic infiltration of exocrine glands, especially lacrimal and salivary. The immunologic process which occurs in this syndrome is B cell ... -
Cumulative pregnancy rate after ICSI with cryopreserved testicular tissue in non-obstructive azoospermia
(2005)The aim of the present study was to describe a simplified and inexpensive method of testicular tissue freezing to assess the cumulative clinical pregnancy rate (CPR) by this technique, and to provide useful information for ... -
Determination of the proper time for mating after oestrous synchronisation during anoestrous or oestrous by measuring electrical resistance of cervical mucus in ewes
(2015)The purpose of the present study was to investigate whether the electrical resistance values of the cervical mucus and/or blood estradiol-17 beta and progesterone concentrations at mating, after oestrous synchronisation ... -
Early embryo losses, progesterone and pregnancy associated glycoproteins levels during summer heat stress in dairy cows
(2021)Objectives of this study were to characterize the effects of heat stress on pregnancy associated glycoproteins (PAG) and progesterone and its involvement in embryo survival. In trial 1, blood samples collected from days ... -
Effect of adiponectin on estradiol and progesterone secretion from human luteinized granulosa cells in vitro
(2021)Ιnformation on the role of adiponectin in human ovarian steroidogenesis is limited. The present study aimed to investigate the effect of different doses of adiponectin on the secretion of estradiol and progesterone by human ... -
The Effect of Metformin on the Endometrium of Women with Polycystic Ovary Syndrome
(2019)Objectives: To investigate the effect of metformin on endometrial receptivity in women with polycystic ovary syndrome (PCOS). Methods: Twenty volunteer women with polycystic ovaries and oligomenorrhea were prospectively ... -
Effect of mifepristone on folliculogenesis in women treated with recombinant FSH
(1997)Objective: To study the mechanism through which mifepristone interrupts folliculogenesis. Design: Normally ovulating women undergoing donor intrauterine insemination (IUI) treatment were investigated during two menstrual ... -
Effect of resistin on estradiol and progesterone secretion from human luteinized granulosa cells in culture
(2019)Information on the role of resistin on steroidogenesis is limited to animal studies. The aim of this study was to investigate the effect of various doses of resistin on estradiol and progesterone secretion from human ... -
Evidence of differential control of FSH and LH responses to GnRH by ovarian steroids in the luteal phase of the cycle
(2002)BACKGROUND: It is known that during the follicular phase of the cycle, estradiol sensitizes the pituitary to GnRH. The aim of this study was to determine the role of ovarian steroids in the control of GnRH-induced gonadotrophin ... -
Exogenous progesterone for LH surge prevention is redundant in ovarian stimulation protocols
(2021)During ovarian stimulation for IVF–embryo transfer treatment, a premature LH surge may lead to progesterone elevation that disrupts endometrial maturation and affects the probability of pregnancy following fresh embryo ... -
Factors affecting outcome after ICSI with spermatozoa retrieved from cryopreserved testicular tissue in non-obstructive azoospermia
(2005)There is a lack of data regarding variables affecting the treatment outcome for non-obsructive azoospermia when spermatozoa from cryopreserved testicular specimens are utilized for ICSI. The objective of the present ... -
FGF-2 and HGF reverse abiraterone’s effect οn intracellular levels of DHT in androgen-dependent and androgen independent prostate cancer cell lines
(2020)Purpose: Growth factors such as fibroblast growth factor 2 (FGF-2) and hepatocyte growth factor (HGF) appear at high levels in prostate cancer (PC). Abiraterone is an androgen biosynthesis inhibitor which is currently in ... -
Ghrelin suppresses the GnRH-induced preovulatory gonadotropin surge in dairy heifers
(2016)Ghrelin, a known growth hormone (GH) secretagogue, alters gonadotropin secretion in many species. Our objectives were to study the effects of ghrelin, on GH, LH, FSH secretion, and on luteal function of the ensuing estrous ... -
Growth hormone, insulin-like growth factor I, and leptin interaction in human cultured lutein granulosa cells steroidogenesis
(2008)Objective: To investigate the effect of leptin on the actions of growth hormone (GH) and insulin-like growth factor-I (IGF-I) in ovarian steroidogenesis in vitro. Design: In vitro cell culture study. Setting: Research ... -
Impact of thyroid status on the response to ram effect in ewes [Συμβολή του θυρεοειδούς στην απάντηση στην "επίδραση του αρσενικού" στις προβατίνες]
(2018)The role of thyroid hormones on the transition to anestrous has been well established in ewes, but their possible involvement in the induction of reproductive activity remains obscure. The aim of the present study was to ... -
Leptin concentrations in normal women following bilateral ovariectomy
(1999)To study the relationships between gonadal steroids and leptin, 20 women with normal cycles were investigated during the postoperative period following a laparotomy. Fourteen women underwent bilateral ovariectomy plus total ... -
Luteal stage dependence of pituitary response to gonadotrophin-releasing hormone in cyclic dairy ewes subjected to synchronisation of ovulation
(2005)Possible hormonal aberrations precluding conception or maintenance of pregnancy in dairy ewes subjected to ovulation synchronisation were investigated in this study. The pituitary response to exogenous gonadotrophin-releasing ... -
Luteal-phase endocrinology
(2009)The corpus luteum is formed from the pre-ovulatory follicle under the action of the mid-cycle LH surge. LH is the main luteotrophic hormone in women controlling luteal structure and function during the normal menstrual ... -
Modulatory effect of the ovary on LH secretion
(2003)Ovarian steroids are important regulators of gonadotropin secretion during the normal menstrual cycle. Estradiol is the predominant factor in the follicular phase, while progesterone plays an important role in the luteal ...