Luteinizing Hormone

• 

  Subject Areas on Research

  • 5alpha-Dihydrotestosterone binding to androgen binding protein. Effects of testosterone and other compounds in vivo and in vitro on the number of binding sites measured. 
  • A mathematical model for LH release in response to continuous and pulsatile exposure of gonadotrophs to GnRH 
  • A mathematical model quantifying GnRH-induced LH secretion from gonadotropes. 
  • A proposed classification system for menstrual cycles in the menopause transition based on changes in serum hormone profiles. 
  • A serum-free defined culture system which maintains follicle-stimulating hormone responsiveness and differentiation of porcine granulosa cells. 
  • Absence of secretory endometrium after false-positive home urine luteinizing hormone testing. 
  • Acute and subacute effects of naturally occurring estrogens on luteinizing hormone secretion in the ovariectomized rat: Part 1. 
  • Acute and subacute effects of naturally occurring estrogens on luteinizing hormone secretion in the ovariectomized rat: Part 2. 
  • Alterations in luteal phase progesterone and estradiol production after leuprolide acetate therapy before ovarian stimulation for in vitro fertilization. 
  • Amenorrhea: observations based on the analysis of luteinizing hormone-releasing hormone testing. 
  • Analysis of pre-ovulatory changes in cervical mucus hydration and sperm penetrability. 
  • Androgen and estrogen treatment, alone or in combination, differentially influences bone maturation and hypothalamic mechanisms that time puberty in the male rhesus monkey (Macaca mulatta). 
  • Androgen control of an inhibitory modulator of phosphodiesterase in rat epididymis and prostate. 
  • Anogenital distance at birth as a predictor of volume of the sexually dimorphic nucleus of the preoptic area of the hypothalamus and pituitary responsiveness in castrated adult rats. 
  • Are Chinese people really more fertile? 
  • Assessing human fertility using several markers of ovulation. 
  • Atypical estradiol secretion and ovulation patterns caused by luteal out-of-phase (LOOP) events underlying irregular ovulatory menstrual cycles in the menopausal transition. 
  • Bone mineral content and levels of gonadotropins and estrogens in amenorrheic running women. 
  • Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 38-1975. 
  • Cessation of gonadotropin-releasing hormone agonist therapy combined with high-dose gonadotropin stimulation yields favorable pregnancy results in low responders. 
  • Changes in (125I) labeled human chorionic gonadotropin (hCG) binding to porcine granulosa cells during follicle development and cell culture. 
  • Clinical characteristics of ovulation induction with human menopausal gonadotropins with and without leuprolide acetate in polycystic ovary syndrome. 
  • Clomiphene citrate in the management of male infertility. 
  • Comparison of low-technology and high-technology monitoring of clomiphene citrate ovulation induction. 
  • Day-specific probabilities of clinical pregnancy based on two studies with imperfect measures of ovulation. 
  • Delayed suppression of serum luteinizing hormone after naloxone treatment in neonatal female rats. 
  • Delaying the initiation of progesterone supplementation results in decreased pregnancy rates after in vitro fertilization: a randomized, prospective study. 
  • Developmental changes in pituitary-gonadal function in free-ranging lions (Panthera leo leo) of the Serengeti Plains and Ngorongoro Crater 
  • Developmental coordination of luteinizing hormone/human chorionic gonadotropin (hCG) receptors and acute hCG responsiveness in cultured and freshly harvested porcine granulosa cells. 
  • Dietary intervention study to assess estrogenicity of dietary soy among postmenopausal women. 
  • Do estradiol levels influence on the cognitive function during antidepressant treatments in post-menopausal women with major depressive disorder? A comparison with pre-menopausal women. 
  • Dose-response characteristics of neonatal exposure to genistein on pituitary responsiveness to gonadotropin releasing hormone and volume of the sexually dimorphic nucleus of the preoptic area (SDN-POA) in postpubertal castrated female rats. 
  • Early follicular rise of serum progesterone concentration in response to a flare-up effect of gonadotrophin-releasing hormone agonist impairs follicular recruitment for in-vitro fertilization. 
  • Effect of Roux-en-Y gastric bypass surgery on the sex steroids and quality of life in obese men. 
  • Effect of chronic methadone administration on neuroendocrine function in developing rats. 
  • Effect of neonatal diethylstilbestrol exposure on luteinizing hormone secretion following ketamine anesthesia and gonadotropin-releasing hormone in castrated postpubertal rats. 
  • Effect of neonatal diethylstilbestrol exposure on volume of the sexually dimorphic nucleus of the preoptic area of the hypothalamus and pituitary responsiveness to gonadotropin-releasing hormone in female rats of known anogenital distance at birth. 
  • Effectiveness of antidepressant treatments in pre-menopausal versus post-menopausal women: a pilot study on differential effects of sex hormones on antidepressant effects. 
  • Effects of bovine luteinizing hormone and human chorionic gonadotrophin on the bovine corpus luteum in vivo. 
  • Effects of castration and chronic steroid treatments on hypothalamic gonadotropin-releasing hormone content and pituitary gonadotropins in male wild-type and estrogen receptor-alpha knockout mice. 
  • Effects of charcoal-extracted follicular fluid on reproductive function in postpartum cows. 
  • Effects of intranasal administration of norethisterone on folliculogenesis, cervical mucus, vaginal cytology, endometrial morphology and reproductive-endocrine profile in women. 
  • Effects of partially and more highly purified platelet-derived growth factor preparations on luteinizing hormone receptor induction in granulosa cell cultures. 
  • Effects of phytoestrogens on GnRH-induced luteinizing hormone secretion in ovariectomized rats. 
  • Effects of prenatal treatment with antiandrogens on luteinizing hormone secretion and sex steroid concentrations in adult spotted hyenas, Crocuta crocuta. 
  • Endocrine features of menstrual cycles in middle and late reproductive age and the menopausal transition classified according to the Staging of Reproductive Aging Workshop (STRAW) staging system. 
  • Endometrial dating--still room for controversy. 
  • Evaluation of danazol as an oral contraceptive. 
  • FSH-induction of androgen binding protein in testes of Sertoli cell-only rats. 
  • Fatherhood, pairbonding and testosterone in the Philippines. 
  • Female fertility is reduced in mice lacking Ca2+/calmodulin-dependent protein kinase IV. 
  • Follicle-stimulating hormone levels on cycle day 3 are predictive of in vitro fertilization outcome. 
  • Follicle-stimulating hormone-mediated induction of functional luteinizing hormone/human chorionic gonadotropin receptors during monolayer culture of porcine granulosa cells. 
  • Follicular atresia associated with concurrent initiation of gonadotropin-releasing hormone agonist and follicle-stimulating hormone for oocyte recruitment. 
  • Four cardiac hormones increase circulating concentrations of luteinizing hormone and testosterone. 
  • Further studies on the role of the gonads in determining the ontogeny of gonadotropin secretion in the guinea pig (Cavia porcelus). 
  • G-protein-coupled receptors. Turned on to ill effect. 
  • Gonadotropin release in patients with androgen insensitivity. Testicular feminization syndrome. 
  • Gonadotropin releasing hormone stimulates calmodulin redistribution in rat pituitary. 
  • Gonadotropin stimulation for in vitro fertilization and embryo transfer in insulin-dependent diabetics: follicular response, oocyte quality, embryo development, and follicular environment. 
  • Gonadotropin stimulation protocols in the Norfolk IVF program--1988. 
  • Growth factors modulate gonadotropin receptor induction in granulosa cell cultures. 
  • High FSH:LH ratio and low LH levels in basal cycle day 3: impact on follicular development and IVF outcome. 
  • High-dose follicle-stimulating hormone (FSH) ovarian stimulation in low-responder patients for in vitro fertilization. 
  • Histological dating of timed endometrial biopsy tissue is not related to fertility status. 
  • Hormonal characteristics of free-ranging female lions (Panthera leo) of the Serengeti Plains and Ngorongoro Crater. 
  • Hormonal consequences of "missing the pill". 
  • Hypofertility and clomiphene citrate therapy. 
  • Hypothalamic and pituitary function in hypogonadotropic hypogonadism. 
  • Hypothalamic insufficiency: the cause of hypopituitarism in sarcoidosis. 
  • Impact of a cryopreservation program on the multiple pregnancy rate associated with assisted reproductive technologies. 
  • Increased blood pressure in mice lacking cytochrome P450 2J5. 
  • Influence of vitamin A injection before mating on oocyte development, follicular hormones, and ovulation in gilts fed high-energy diets. 
  • Inhibition of growth of MX-1, MCF-7-MIII and MDA-MB-231 human breast cancer xenografts after administration of a targeted cytotoxic analog of somatostatin, AN-238. 
  • Insufficient luteinizing hormone-induced intracellular signaling disrupts ovulation in preovulatory follicles lacking estrogen receptor-{beta}. 
  • Interrelationships between ovarian and pituitary hormones in ovulatory menstrual cycles across reproductive age. 
  • Intramuscular testosterone enanthate plus very low dosage oral levonorgestrel suppresses spermatogenesis without causing weight gain in normal young men: a randomized clinical trial. 
  • Late effects on gonadal function of cyclophosphamide, total-body irradiation, and marrow transplantation. 
  • Leptin levels and luteinizing hormone pulsatility in normal cycling women and their relationship to daily changes in metabolic rate. 
  • Long-term pharmacokinetics of transdermal testosterone gel in hypogonadal men. 
  • Long-term testosterone gel (AndroGel) treatment maintains beneficial effects on sexual function and mood, lean and fat mass, and bone mineral density in hypogonadal men. 
  • Low-dose glucocorticoids after in vitro fertilization and embryo transfer have no significant effect on pregnancy rate. 
  • Low-dose human chorionic gonadotropin maintains intratesticular testosterone in normal men with testosterone-induced gonadotropin suppression. 
  • Luteinizing hormone (LH) drives diverse intracellular calcium second messenger signals in isolated porcine ovarian thecal cells: preferential recruitment of intracellular Ca2+ oscillatory cells by higher concentrations of LH. 
  • Luteinizing hormone in premenopausal women may stimulate uterine leiomyomata development. 
  • Mathematical modeling of perifusion cell culture experiments on GnRH signaling. 
  • Modeling endocrine control of the pituitary-ovarian axis: androgenic influence and chaotic dynamics. 
  • New testosterone buccal system (Striant) delivers physiological testosterone levels: pharmacokinetics study in hypogonadal men. 
  • Opiate antagonist treatment reinstates estrous cycles in middle-aged persistent-estrous rats. 
  • Opioid inhibition of luteinizing hormone release declines with age and acyclicity in female rats. 
  • Ovarian function following marrow transplantation for aplastic anemia or leukemia. 
  • Ovarian stimulation for in vitro fertilization using pure follicle-stimulating hormone with and without gonadotropin-releasing hormone agonist in high-responder patients. 
  • Plasma prostaglandin F 2-alpha levels in dysmenorrehic women. 
  • Platelet-derived growth factor enhances granulosa cell luteinizing hormone receptor induction by follicle-stimulating hormone and serum. 
  • Predictive value of progesterone and estradiol levels for pregnancy. 
  • Prevention of the polycystic ovarian phenotype and characterization of ovulatory capacity in the estrogen receptor-alpha knockout mouse. 
  • Proceedings: Hormonal control of steroid synthesis by a feminizing adrenal tumour. 
  • Progesterone levels on the day of human chorionic gonadotropin administration in cycles with gonadotropin-releasing hormone agonist suppression are not predictive of pregnancy outcome. 
  • Randomized trial to compare the effect of recombinant human FSH (follitropin alfa) with or without recombinant human LH in women undergoing assisted reproduction treatment. 
  • Rat thecal/interstitial cells express transforming growth factor-beta type 1 and 2, but only type 2 is regulated by gonadotropin in vitro. 
  • Regulation of the macrophage population in postnatal rat testis. 
  • Renal and hepatic lysosomal catabolism of luteinizing hormone. 
  • Renal uptake of lutropin. Studies based on electron microscopic autoradiography and nephrectomy. 
  • Reproductive hormone levels in gynecologic oncology patients undergoing surgical castration after spontaneous menopause. 
  • Role of gonadotropin-releasing hormone pulse frequency in differential regulation of gonadotropins in the gilt. 
  • Sorbitol dehydrogenase of rat testis: changes of activity during development, after hypophysectomy and following gonadotrophic hormone administration. 
  • Specific interaction of 3H-FSH with rat testis binding sites. 
  • Staging profile of hypofertile male subjects. 
  • Stimulation protocols for patients with "atypical response". 
  • The anti-androgen combination, flutamide plus finasteride, paradoxically suppressed LH and androgen concentrations in pregnant spotted hyenas, but not in males. 
  • The bi-modal effects of estradiol on gonadotropin synthesis and secretion in female mice are dependent on estrogen receptor-alpha. 
  • The effect of leuprolide acetate on ovulation induction with human menopausal gonadotropins in polycystic ovary syndrome. 
  • The effect of neonatal exposure to DES and o,p'-DDT on pituitary responsiveness to GnRH in adult castrated rats. 
  • The effect of neonatal exposure to diethylstilbestrol, coumestrol, and beta-sitosterol on pituitary responsiveness and sexually dimorphic nucleus volume in the castrated adult rat. 
  • The effect of plating density on granulosa cell growth and differentiation in vitro. 
  • The effect of prenatal exposure to the phytoestrogen genistein on sexual differentiation in rats. 
  • The hypogonadotropic state of the prepubertal male rhesus monkey (Macaca mulatta) is not associated with a decrease in hypothalamic gonadotropin-releasing hormone content. 
  • The influence of follicle-stimulating hormone on testicular phospholipids. 
  • The metabolism of luteinizing hormone. Plasma clearance, urinary excretion, and tissue uptake. 
  • The naturally occurring luteinizing hormone surge is diminished in mice lacking estrogen receptor Beta in the ovary. 
  • The nuclear receptor steroidogenic factor 1 acts at multiple levels of the reproductive axis. 
  • The physiologic consequences of vas ligation. 
  • The prediction and/or detection of ovulation by means of urinary steroid assays. 
  • The production of androgen binding protein by Sertoli Cells. 
  • The prognostic value of serum concentrations of progesterone, estradiol, and luteinizing hormone during superovulation with and without adjunctive leuprolide therapy. 
  • The value of basal and/or stimulated serum gonadotropin levels in prediction of stimulation response and in vitro fertilization outcome. 
  • The value of basal serum follicle stimulating hormone, luteinizing hormone and oestradiol concentrations following pituitary down-regulation in predicting ovarian response to stimulation with highly purified follicle stimulating hormone. 
  • Timing of oocyte retrieval in cycles with a spontaneous luteinizing hormone surge in a large in vitro fertilization program. 
  • Transdermal iontophoretic peptide delivery: in vitro and in vivo studies with luteinizing hormone releasing hormone. 
  • Treatment of anorexia nervosa is associated with increases in bone mineral density, and recovery is a biphasic process involving both nutrition and return of menses. 
  • Utility of fluoroimmunoassay in detecting luteinizing hormone surges in spontaneous and human menopausal gonadotropin-stimulated menstrual cycles. 
  • Value of suppression with a gonadotropin-releasing hormone agonist prior to gonadotropin stimulation for in vitro fertilization. 
  • Vasomotor symptoms, serum estrogens, and gonadotropin levels in surgical menopause.