Results 71 to 80 of about 3,060 (210)

Central Mechanism Controlling Pubertal Onset in Mammals: A Triggering Role of Kisspeptin

open access: yesFrontiers in Endocrinology, 2019
Pubertal onset is thought to be timed by an increase in pulsatile gonadotropin-releasing hormone (GnRH)/gonadotropin secretion in mammals. The underlying mechanism of pubertal onset in mammals is still an open question.
Yoshihisa Uenoyama   +3 more
doaj   +1 more source

Decreasing Insulin Sensitivity in Women Induces Alterations in LH Pulsatility. [PDF]

open access: yes, 2016
Obesity is associated with neuroendocrine reproductive alterations and decreased fertility. The objective of the study was to gain insight into the neuroendocrine mechanisms implicated in these alterations.
Amati, F.   +5 more
core   +1 more source

Novas perspectivas no diagnóstico do hipogonadismo pediátrico masculino: a importância do AMH como marcador de células de Sertoli [PDF]

open access: yes, 2011
Sertoli cells are the most active cell population in the testis during infancy and childhood. In these periods of life, hypogonadism can only be evidenced without stimulation tests, if Sertoli cell function is assessed.
Grinspon, Romina, Rey, Rodolfo Alberto
core   +2 more sources

Molecular and Environmental Mechanisms Regulating Puberty Initiation: An Integrated Approach

open access: yesFrontiers in Endocrinology, 2019
The mechanisms underlying the initiation of puberty, one of the cornerstones of human evolution, have not been fully elucidated as yet. However, recently, an accumulating body of evidence has helped unravel several critical aspects of the process.
Sarantis Livadas, George P. Chrousos
doaj   +1 more source

Peripheral and central mechanisms involved in hormonal control of male and female reproduction [PDF]

open access: yes, 2016
Reproduction involves the integration of hormonal signals acting across multiple systems togenerate a synchronized physiological output. A critical component of reproduction is the luteinizinghormone (LH) surge, which is mediated by estradiol (E2) and ...
Bentley, G. E.   +6 more
core   +1 more source

Bioengineered Isoflavone–Probiotic Functional Foods for Sustainable Modulation of Metabolic and Reproductive Health in PCOS

open access: yesFood Bioengineering, EarlyView.
Synergistic isoflavone‐probiotic action modulated metabolic, microbial and ovarian pathway ABSTRACT Polycystic ovary syndrome (PCOS) is a prevalent metabolic–endocrine disorder characterized by insulin resistance, hyperandrogenism, chronic inflammation, oxidative stress, and ovarian dysfunction, with growing evidence implicating gut microbiota ...
Jeyavelkumaran Renukadevi   +4 more
wiley   +1 more source

Colocalization of Cocaine- and Amphetamine-Regulated Transcript with Kisspeptin and Neurokinin B in the Human Infundibular Region [PDF]

open access: yes, 2019
Kisspeptin (KP)- and neurokinin B (NKB)- synthesizing neurons of the hypothalamic arcuate nucleus play a pivotal role in the regulation of pulsatile gonadotropin-releasing hormone (GnRH) secretion.
Bloom, Stephen R.   +8 more
core   +5 more sources

Evaluation of Potential Hormonal Activities of Ashwagandha (Withania somnifera)

open access: yesPhytotherapy Research, EarlyView.
ABSTRACT Ashwagandha is a widely used herb in traditional medicine systems, particularly Ayurveda. Despite its extensive tradition, growing concerns regarding its potential endocrinological effects have prompted scientific scrutiny. This review systematically evaluates the current preclinical, clinical, and case study evidence concerning AS's effects ...
Günter Vollmer, Thomas Brendler
wiley   +1 more source

Regulation of gonadotropins by corticotropin-releasing factor and urocortin

open access: yesFrontiers in Endocrinology, 2013
While stress activates the hypothalamic-pituitary-adrenal (HPA) axis, it suppresses the hypothalamic-pituitary-gonadal (HPG) axis. Corticotropin-releasing factor (CRF) is a major regulatory peptide in the HPA axis during stress.
Kazunori eKageyama
doaj   +1 more source

The "ram effect": new insights into neural modulation of the gonadotropic axis by male odors and socio-sexual interactions [PDF]

open access: yes, 2015
Reproduction in mammals is controlled by the hypothalamo-pituitary-gonadal (HPG) axis under the influence of external and internal factors such as photoperiod, stress, nutrition, and social interactions.
Abbott   +151 more
core   +4 more sources

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