Results 31 to 40 of about 111,480 (273)

Investigating the KNDy hypothesis in humans by co-administration of kisspeptin, neurokinin B and naltrexone in men [PDF]

open access: yes, 2016
Context: A subpopulation of hypothalamic neurons co-localise three neuropeptides namely kisspeptin, neurokinin B (NKB) and dynorphin collectively termed KNDy neurons. Animal studies suggest they interact to affect pulsatile GnRH release (KNDy hypothesis);
Abbara, A   +11 more
core   +1 more source

The use of GnRH analogs in preserving ovarian function during chemotherapy

open access: yesMiddle East Fertility Society Journal, 2021
Background The literature has always been controversial on the use of gonadotropin-releasing hormone agonists in preserving fertility in women of childbearing age after chemotherapy; thereby, in this article, we will be discussing its use in preserving ...
Omar M. Odeh   +3 more
doaj   +1 more source

Choosing trigger of ovulation for optimization of in vitro fertilization programs (literature review) [PDF]

open access: yesГинекология, 2016
This review presents recent data on the impact of different triggers on the clinical and embryological indicators of the effectiveness of assisted reproductive technology in patients with normal and excessive ovarian response to superovulation ...
S M Eapen   +4 more
doaj  

Gonadotropin-releasing hormone antagonists [PDF]

open access: yesCurrent Opinion in Pharmacology, 2003
Hypothalamic gonadotropin-releasing hormone (GnRH) is a decapeptide that stimulates pituitary synthesis and secretion of gonadotropins and, therefore, gonadal hormones. GnRH antagonists, of which thousands have been formulated, inhibit the hormone from binding to its receptor, inducing a pharmacological hypophysectomy.
openaire   +2 more sources

Effect of luteal phase support gonadotropin-releasing hormone agonist on the endometrial receptivity and outcomes of in vitro fertilization programs [PDF]

open access: yesГинекология, 2016
Patients with tubal infertility in implantation window period show impaired endometrial receptivity with low implantation potention that is characterized by decrease in mature pinopodes level on endometrium, decreased expression of leukemia inhibitory ...
E M Savelyeva   +3 more
doaj  

Morphological evidence for enhanced kisspeptin and neurokinin B signaling in the infundibular nucleus of the aging man. [PDF]

open access: yes, 2012
Peptidergic neurons synthesizing kisspeptin (KP) and neurokinin B (NKB) in the hypothalamic infundibular nucleus have been implicated in negative sex steroid feedback to GnRH neurons. In laboratory rodents, testosterone decreases KP and NKB expression in
Bloom, Stephen R.   +11 more
core   +1 more source

Estrone and estradiol concentrations in human ovaries, testes, and adrenals during the first two years of life [PDF]

open access: yes, 1987
To determine the origin of estrogens in infant blood, we measured estrone (E1) and estradiol (E2) in the gonads of 50 girls and 64 boys who died suddenly between birth and 2 yr of age as well as in the adrenals of 18 of these infant girls and 16 of the ...
Bidlingmaier, F.   +4 more
core   +1 more source

pS6K1 as an efficacy marker of GnRH agonist with premenopausal breast cancer

open access: yesEndocrine Connections, 2019
Estradiol is a key factor for tumorigenesis and prognosis of hormone receptor-positive breast cancer. Adipocytes are one source of estradiol in patients with breast cancer. Recent studies have shown that phosphorylated ribosomal protein S6 kinase-1 plays
Chan Sub Park   +8 more
doaj   +1 more source

Hormonal regulation of female reproduction [PDF]

open access: yes, 2012
Reproduction is an event that requires the coordination of peripheral organs with the nervous system to ensure that the internal and external environments are optimal for successful procreation of the species.
Bentley, G. E.   +6 more
core   +1 more source

Protein and mRNA expression of gonadotropin-releasing hormone receptor in yaks during estrus

open access: yesRevista Brasileira de Zootecnia, 2018
To demonstrate the role of gonadotropin-releasing hormone (GnRH) in yaks (Bos grunniens), we characterized the expression of gonadotropin-releasing hormone receptor (GnRHR) mRNA and protein.
Sheng-dong Huo   +5 more
doaj   +1 more source

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