Results 51 to 60 of about 126,611 (274)

Follicle Stimulating Hormone in Cattle Breeding: Fundamentals, Innovations, and Scope

Animal Research and One Health, EarlyView.
FSH is crucial in cattle reproduction, with exogenous administration enhancing breeding and embryo production. Recombinant FSH offers advantages over pituitary‐extracted variants, including fewer injections, reduced stress, and safer production. These innovations improve breeding efficiency, optimize reproductive outcomes, and contribute to sustainable
Muhammad Shahzad, Hubdar Ali Kolachi, Jesse Oluwaseun Ayantoye, Xiaomeng Zhang, Muhammad Usman Mehmood, Rajilan Hilali Shanga, Pengcheng Wan, Xueming Zhao   +7 more
wiley   +1 more source

Goofy/123Cre lineage tracing differentiates olfactory and vomeronasal neurons from GnRH‐1 and terminal nerve neurons during neuronal migration and reveals additional olfactory placode‐derived cells in the brain

Developmental Dynamics, EarlyView.
Abstract The olfactory placode (OP) generates a broad array of chemosensory neurons in the nasal region, including olfactory sensory neurons, vomeronasal sensory neurons, neurons of the septal organ, and Grueneberg ganglion. During invagination, the OP also generates migratory neuronal populations, including gonadotropin‐releasing hormone‐1 (GnRH‐1 ...
Enrico Amato Jr., Mia V. Call, Noah M. LeFever, Mya Aviles‐Carlos, Nikki M. Dolphin, Paolo E. Forni   +5 more
wiley   +1 more source

Neuroendocrine regulation of gonadotropin secretion in seasonally breeding birds

Frontiers in Neuroscience, 2013
Seasonally breeding birds detect environmental signals, such as light, temperature, food availability and presence of mates to time reproduction. Hypothalamic neurons integrate external and internal signals, and regulate reproduction by releasing ...
Takayoshi eUbuka, George E Bentley, Kazuyoshi eTsutsui   +2 more
doaj   +1 more source

Impact of an increased exposure with manganese and nickel on pituitary hormones in women with ovarian polycystosis

Репродуктивная эндокринология, 2020
Objective of the study: to evaluate the possible impact of manganese and nickel on the state of gonadotropic pituitary function and prolactin secretion. Materials and methods. For the study 2 groups of women were selected. The control group consisted of
М. Г. Проданчук, Т. Ф. Татарчук, С. В. Гуньков, П. Г. Жмінько, С. І. Регеда   +4 more
doaj   +1 more source

Menstruation in an infant: a case report of exacerbated mini-puberty

Portuguese Journal of Pediatrics, 2023
There are three periods throughout life in which an activation of the hypothalamus-pituitary-gonads axis takes place: prenatal, immediate postnatal period and puberty. The period that occurs after the first week of life and in which there are high levels
Carolina Amaro-Gonçalves, Ana Dias-Curado, Sofia G. Ferreira, Brígida Robalo, Lurdes Sampaio   +4 more
doaj   +1 more source

Genetic landscape of a neonatal hypogonadotropic hypogonadism series: Novel variants and phenotypic spectrum. [PDF]

J Neuroendocrinol
Abstract To describe clinical presentation and genetic findings in a cohort of infants with congenital hypogonadotropic hypogonadism (CHH) diagnosed before 2 years of age. From a large cohort of patients who underwent next‐generation sequencing (NGS) for CHH between 2019 and 2025, we identified all patients tested at ≤2 years of age.
Aouchiche K, Van Wormhoudt L, Perge K, Dornberger J, Colson C, Delagrange M, Leroy C, Ledmazel J, Menut V, Jaillet JB, Bendifallah D, Chehade MH, Dib C, Barlier A, Brue T, Reynaud R, Saveanu A.   +16 more
europepmc   +2 more sources

Effect of Ovariectomy on Pituitary Gonadotropins in the Cow

Journal of Dairy Science, 1971
Abstract To study changes in pituitary follicle-stimulating and luteinizing hormone contents following ovariectomy, 24 heifers were spayed on the day of estrus and sacrified on Day 17 or Day 42. Twelve intact heifers were sacrified on Day 17 of the estrous cycle.
S, Saiduddin, R F, Rowe, K W, Thompson, L E, Casida   +3 more
openaire   +2 more sources

From bodyweight to biomarkers: Season‐associated metabolic, endocrine and haematological shifts in breeding stallions

Equine Veterinary Journal, EarlyView.
Abstract Background Breeding stallions are subjected to sustained seasonal metabolic, endocrine, and immune demands requiring systemic energy engagement. Prospective longitudinal data in the same individuals are limited. Objectives To screen adaptive responses of breeding stallions of clinical relevance through longitudinal characterisation of temporal
Maria Grazia Cappai, Morrone Sarah, Senes Alice, Taras Andrea, Biggio Giampaolo, Cherchi Raffaele   +5 more
wiley   +1 more source

FSH and LH Secretion from in-vitro Cultured Buffalo Anterior Pituitary Cells Following Treatment with Diethyl-Stilbestrol and Medroxy-Progesterone and Their Effects on Ovarian Activity and Hematological Variables of Female Rabbits [PDF]

Pakistan Veterinary Journal, 2016
Aims of this study were: to investigate whether FSH and LH secretion from in-vitro cultured buffalo adenohypophyseal cells can be increased by supplementing culture media with diethyl-stilbestrol and medroxy-progesterone, respectively; to monitor ...
Kaleem Iqbal1, Nafees Akhtar1*, Nazir Ahmad1 and Sajjad-ur-Rahman2
doaj  

The Spectrum of Congenital Hypogonadotropic Hypogonadism: A 30-Year Experience at a Tertiary Paediatric Centre. [PDF]

Clin Endocrinol (Oxf)
ABSTRACT Congenital hypogonadotropic hypogonadism (CHH) is a rare group of disorders of gonadotropin deficiency, either isolated or as a part of multiple pituitary hormone deficiencies (MPHD). We aimed to describe the spectrum of presentation, diagnosis, and management practices of CHH spanning 30 years at an Australian tertiary paediatric centre. This
Kook M, McGee RG, Ambler G, Cho YH.
europepmc   +2 more sources