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A 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.
Butorphanol Tartrate Nasal Spray for Post-Cesarean Analgesia and Prolactin Secretion.
Med Sci Monit
January 2025
Department of Anesthesiology, The General Hospital of Western Theater Command, Chengdu, Sichuan, China.
BACKGROUND Butorphanol, an opioid receptor agonist and antagonist, is widely used for post-cesarean section analgesia in the form of intravenous or intramuscular injection, but nasal sprays are less used. This study aimed to evaluate the analgesic effect of butorphanol nasal spray on uterine contraction pain after cesarean section and explore its effect on postpartum prolactin secretion. MATERIAL AND METHODS We randomly divided 120 patients scheduled for cesarean section into 3 groups (40 per group): intranasal saline (control), butorphanol intranasal (BI), and butorphanol pumped intravenously (BV).
View Article and Find Full Text PDFNeurobiological mechanisms of nicotine's effects on feeding and body weight.
Neurosci Biobehav Rev
January 2025
Department of Nutrition and Health, Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing, China; Beijing Life Science Academy, Beijing, China. Electronic address:
Nicotine, a neuroactive substance in tobacco products, has been widely studied for its effects on feeding and body weight, mostly focusing on the involvement of nervous system, metabolism, hormones, and gut microbiota. To elucidate the action mechanism of nicotine on feeding and body weight, especially the underlying neurobiological mechanisms, we reviewed the studies on nicotine's effects on feeding and body weight by the regulation of various nerve systems, energy expenditure, peripheral hormones, gut microbiota, etc. The role of neuronal signaling molecules such as AMP-activated protein kinase (AMPK) and kappa opioid receptor (κOR) were specialized in the nicotine-regulating energy expenditure.
View Article and Find Full Text PDFOntogeny of adenohypophyseal cells, pituitary gland development, and structure in adults of Astyanax lacustris (Teleostei, Characiformes): an emerging Neotropical model fish species.
Fish Physiol Biochem
January 2025
Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil.
Pituitary gland morphogenesis and the ontogeny of the adenohypophyseal (AH) cells of Astyanax lacustris are presented herein. This Characiformes species shows great ecological and commercial importance, and it has been increasingly used as animal model. For this study, A.
View Article and Find Full Text PDFThe specific role that prolactin plays in lactational infertility, as distinct from other suckling or metabolic cues, remains unresolved. Here, deletion of the prolactin receptor (Prlr) from forebrain neurons or arcuate kisspeptin neurons resulted in failure to maintain normal lactation-induced suppression of estrous cycles. Kisspeptin immunoreactivity and pulsatile LH secretion were increased in these mice, even in the presence of ongoing suckling stimulation and lactation.
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