Objective: To observe some of bio-chemical indice of rats striatum poisoned by rotenone.
Methods: Apply the method of back-implantation mini-effusion pump to observe influence of different concentration rotenone on the rat striatum. Utilize Fluoro-Jade B combined Fluorescent dying to observe the change conditions of the neural cells of the poisoned rat striatum. HPLC is used to measure contents of ATP, ADP, and AMP in striatum. Apply bio-chemical lab to analyze the activities of Na+ -K+ -ATPase and Ca2+ -ATPase.
Results: There appeared a large quantity of positive degenerative neurons in the poisoned rats striatum, but the solution control group did not show similar change. Compared with the solution control group, the ATP contents in the rat striatum of the 2.0 mg/kg and 4.0 mg/kg rotenone groups were significantly decreased (P < 0.01), while the contents of ADP and AMP were relatively raised. With the increase of the poison contents, the activities of Na+ -K -ATPase and Ca2+ -ATPase were inhibited to some degrees. The difference has statistical significance.
Conclusion: Rotenone could cause the decrease of the ATP content and inhibit activities of Na+ -K+ -ATPase and Ca2+ -ATPase.
Download full-text PDF |
Source |
---|
J Neurosci Res
January 2025
Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de Mexico, Mexico.
Lateralization of motor behavior, a common phenomenon in humans and several species, is modulated by the basal ganglia, a site pointed out for the interhemispheric differences related to lateralization. Our study aims to shed light on the potential role of the striatonigral D1 receptor in functional asymmetry in normal conditions through neurochemical and behavioral means. We found that D1 receptor activation and D1/D3 receptor coactivation in striatonigral neurons leads to more cAMP production by adenylyl cyclase in the striatum and GABA release in their terminals in the right hemisphere compared to the left.
View Article and Find Full Text PDFJ Transl Med
December 2024
Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China.
Taltirelin, an orally effective thyrotropin-releasing hormone analog, significantly improves motor impairments in rat models of Parkinson's disease (PD) and enhances dopamine release within the striatum. However, the underlying mechanism remains unclear. In this study, a variety of in vivo and in vitro methods, including transcriptomic analysis, were employed to elucidate the effects of Taltirelin on cellular composition and signaling pathways in the striatum of hemi-PD rats.
View Article and Find Full Text PDFProg Neuropsychopharmacol Biol Psychiatry
December 2024
Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas (LaftamBio Pampa), Universidade Federal do Pampa, Itaqui, RS, Brazil. Electronic address:
Amphetamine (AMPH) abuse represents a major global public health issue, highlighting the urgent need for effective therapeutic interventions to manage addiction caused by this psychostimulant. This study aimed to assess the potential of m-trifluoromethyl-diphenyldiselenide [(m-CF-PhSe)] in preventing the addictive effects induced by AMPH through targeting dopamine metabolism proteins. (m-CF-PhSe) is of interest due to its demonstrated efficacy in mitigating opioid abuse, establishing it as a promising candidate for addiction treatment research.
View Article and Find Full Text PDFPsychopharmacology (Berl)
December 2024
Evolutionary Genetics Department, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay.
Rationale: The sexual behavior of the female rat is highly motivated, and the mesocorticolimbic dopaminergic system -involved in psychostimulants effects- has been implicated in its regulation. Female rats begin to express sexual behavior during adolescence, a period during which this system is not yet mature.
Objective: To examine the impact of cocaine on sexual motivation and behavior of adolescent and adult female rats, and to determine the dopamine receptors binding in mesocorticolimbic areas of these females.
Adv Biomed Res
October 2024
Department of Physiology, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran.
Background: We aimed to investigate the effects of whey protein (WP) supplements in a rat model of rotenone-induced locomotor and biochemical features of Parkinson's disease (PD).
Materials And Methods: Male Wistar rats were used. Daily injections of rotenone (2 mg/kg; i.
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!