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Distribution of the kisspeptin system and its relation with gonadotropin-releasing hormone in the hypothalamus.
Vitam Horm
January 2025
Centro de Estudios Biomédicos Básicos, Aplicados y Desarrollo (CEBBAD), Universidad Maimónides, Ciudad Autónoma de Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Argentina. Electronic address:
Kisspeptin (KISS1), originally catalogued as metastin because of its capacity as a metastasis suppressor in human melanoma and breast cancer, is now recognized as the major puberty gatekeeper and gonadotropin-releasing hormone (GnRH) neuroendocrine system modulator. It is a member of the family of RFamide-related peptides that also includes the neuropeptide FF group, the gonadotropin-inhibitory hormone, the prolactin-releasing peptide, and the 26RFa peptides. The KISS1 precursor peptide is processed into a family of peptides known as kisspeptins.
View Article and Find Full Text PDFHormonal and Glycemic Responses During and After Constant- and Alternating-Intensity Exercise.
J Clin Med
January 2025
Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias, 11527 Goudi, Greece.
Glucose metabolism and hormonal responses are largely affected by exercise intensity, which exhibits an alternating pattern in many sports activities. The aim of this study was to investigate and compare glycemic and hormonal responses during and after exercise of constant (CON) and alternating (ALT) intensity with the same duration and total work. Ten healthy male volunteers performed two, 60 min cycling exercise bouts in random order: the ALT bout, where exercise intensity alternated between 46.
View Article and Find Full Text PDFIdentification of Novel 58-5p and Interaction and Effects on Apoptosis of Ovine Ovarian Granulosa Cell.
Int J Mol Sci
January 2025
College of Animal Science and Technology, Hebei Agricultural University, Baoding 071000, China.
High concentrations of prolactin (PRL)-induced ovine ovarian granulosa cell (GCs) apoptosis and could aggravate the induced effect. However, the molecular mechanisms that -induced GC apoptosis and repressed steroid hormone secretion remain unclear. In this study, GCs in the P group (GCs with high PRL concentration: 500 ng/mL PRL) and P-10 group (GCs with 500 ng/mL PRL infected by lentiviruses carrying overexpressed sequences of ) were collected for whole-transcriptome analysis.
View Article and Find Full Text PDFCabergoline Induced Pathological Gambling in an Adolescent with Prolactinoma.
J Clin Res Pediatr Endocrinol
January 2025
Department of Pediatric Endocrinology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Türkiye.
Prolactinomas are the most common hormone-secreting pituitary adenomas in adolescents. Dopamine agonists (DA) are used as first-line medical treatment. DAs are associated with an array of physical side effects; however, impulse control disorders (ICDs), such as pathological gambling (PG), have also been reported in adults.
View Article and Find Full Text PDFA Single-Center Retrospective Cohort Study of Biopterin Metabolism Disorders in the United Arab Emirates.
JIMD Rep
January 2025
Genetic and Metabolic Division, Pediatrics Department Tawam Hospital Al Ain UAE.
Background: Tetrahydrobiopterin (BH4) deficiencies comprise a group of five neurometabolic disorders caused by five genetic defects responsible for BH4 biosynthesis and regeneration. Their global prevalence remains unknown, and variance exists among different countries.
Aims: To describe clinical, biochemical, molecular genetic data and follow-up of patients with BH4 deficiency seen in Tawam Hospital.
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