The effect of benzodiazepine (BDZ) withdrawal on escape acquisition and on the behavioral response to two different reinforcing stimuli was investigated. In addition, the influence of antidepressant drugs (AD) differing in their mechanism of action on these behavioral outputs was also evaluated. Rats subjected to withdrawal from a chronic treatment with diazepam (DZM; 2 mg/kg per day, i.p.) during 21 days were subsequently exposed to a brief inescapable shock session (IS) and 48 h later to an active avoidance test. Only withdrawn animals exposed to the IS exhibited enhanced escape failures. In an additional experiment, withdrawn rats were repeatedly administered with vehicle (VEH), desipramine (DMI; 5 mg/kg, i.p.), fluoxetine (FLU; 5 mg/kg, i.p.) or phenelzine (PHEN; 5 mg/kg, i.p.) and subsequently exposed to IS and to active avoidance task. A significant reversal of escape deficit was only observed following DMI and PHEN but not after FLU. Furthermore, withdrawn rats showed a reduced preference for a sexually relevant olfactory cue, this reduced sensitivity was only normalized following DMI but not after the administration of FLU or PHEN. Finally, rats exposed to abrupt cessation of chronic BDZ administration did not exhibit preference for a context previously associated with amphetamine (AMP) under the conditioned place preference (CPP) procedure. All these findings are indicative that BDZ withdrawal facilitates the subsequent occurrence of behavioral changes-escape failures and reduced behavioral response to rewarding stimuli-suggested to parallel important symptoms of human depression. In addition, DMI seems to be much more effective in restoring such behavioral abnormalities as compared to a MAO inhibitor and to a inhibitor of 5-HT uptake.
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http://dx.doi.org/10.1016/s0006-8993(98)01341-9 | DOI Listing |
Sci Rep
January 2025
Faculty of Medicine, Vilnius University, M. K. Čiurlionio St. 21/27, 03101, Vilnius, Lithuania.
Self-regulation is linked to the ability to learn successfully, adapt to change, and project one's future behavior. This study aims to evaluate the impact of metacognitive strategies on self-regulation skills in the creation of educational content. Nine expert sports coaches participated in the research, and a mixed-methodology research plan was used to conduct the research.
View Article and Find Full Text PDFLancet Diabetes Endocrinol
January 2025
Metabolic Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA. Electronic address:
The hypothalamic-pituitary-thyroid axis plays a crucial role in the pathogenesis, diagnosis, risk stratification, effectiveness of radioiodine therapy, and treatment response evaluation in epithelial thyroid cancer. Supraphysiological doses of levothyroxine are used in patients with intermediate-risk and high-risk thyroid cancer to suppress thyroid-stimulating hormone (TSH) to prevent tumour progression. However, free thyroxine and tri-iodothyronine have also been found to promote tumour growth in thyroid cancer preclinical models.
View Article and Find Full Text PDFBMC Health Serv Res
January 2025
Bihar Rural Livelihoods Promotion Society (BRLPS) "JEEVIKA", Patna Bihar, India.
Background: Rural populations in Bihar, India, face significant healthcare access challenges due to geographical, infrastructural, and financial barriers. The Swasthya Mitra program, initiated by the Bihar Rural Livelihood Promotion Society in collaboration with local and international partners, aims to mitigate these challenges by employing trained community members to navigate patients through the healthcare system.
Methods: This qualitative study employed in-depth interview and thematic analysis to evaluate the Swasthya Mitra program in the Bhagalpur and Jamui districts in Bihar, India.
Sci Rep
January 2025
Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, United States.
There are few in vitro models available to study microglial physiology in a homeostatic context. Recent approaches include the human induced pluripotent stem cell model, but these can be challenging for large-scale assays and may lead to batch variability. To advance our understanding of microglial biology while enabling scalability for high-throughput assays, we developed an inducible immortalized murine microglial cell line using a tetracycline expression system.
View Article and Find Full Text PDFChild Abuse Negl
January 2025
Swinburne University of Technology, Department of Psychological Sciences, Hawthorn, Victoria, Australia.
Background: Exposure to IPV can negatively impact children's social functioning. However, children exposed to IPV can also display significant strengths. The early educational environment can be a key factor promoting resilience outside of the family, with early educators in an ideal position to identify a broad range of social challenges, strengths and needs of children exposed to IPV.
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