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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 PDFDecreased opioid receptor availability and impaired neurometabolic coupling as signatures of morphine tolerance in male rats: A positron emission tomography study.
Biomed Pharmacother
January 2025
Laboratoire d'Imagerie Biomédicale Multimodale (BioMaps), CEA, CNRS, Inserm, Service Hospitalier Frédéric Joliot, Université Paris-Saclay, Orsay, France. Electronic address:
Translational neuroimaging techniques are needed to address the impact of opioid tolerance on brain function and quantitatively monitor the impaired neuropharmacological response to opioids at the CNS level. A multiparametric PET study was conducted in rats. Rats received morphine daily to induce tolerance (15 mg/kg/day for 5 days), followed by 2-day withdrawal.
View Article and Find Full Text PDFScaled and Weighted Laplacian Matrices as Functional Descriptors for GPCR Ligands.
J Comput Chem
January 2025
Departamento de Fisicoquímica, Facultad de Química, Universidad Nacional Autónoma de México, Coyoacán, CDMX, Mexico.
The G protein-coupled receptor (GPCR) pharmacology accounts for a significant field in research, clinical studies, and therapeutics. Computer-aided drug discovery is an evolving suite of techniques and methodologies that facilitate accelerated progress in drug discovery and repositioning. However, the structure-activity relationships of molecules targeting GPCRs are highly challenging in many cases since slight structural modifications can lead to drastic changes in biological functionality.
View Article and Find Full Text PDFWeight loss therapy and addiction: increased risk after bariatric surgery but reduced risk with GLP-1 receptor agonists.
Diabetes Metab
January 2025
Division of Diabetes, Nutrition and Metabolic Disorders, CHU Liège, Liège, Belgium; Division of Clinical Pharmacology, Centre for Interdisciplinary Research on Medicines (CIRM), Liège University, Liège, Belgium. Electronic address:
Background: Obesity is an increasing public health problem because of its high prevalence and associated morbidity and mortality. Two weight-loss strategies are currently used, either bariatric surgery or pharmacological therapy with glucagon-like peptide-1 receptor agonists (GLP-1RAs). Preclinical studies in rodents suggested an increased risk of additive disorders after bariatric surgery contrasting with a reduced risk with GLP-1RAs.
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