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Postcolitis Alterations in Dose-Dependent Effects of 5-HT1A Agonist Buspirone on Nociceptive Activity of the Raphe Magnus and Dorsal Raphe Neurons in Rats.
Eur J Neurosci
January 2025
Laboratory of Cortico-Visceral Physiology, Pavlov Institute of Physiology of the Russian Academy of Sciences, Saint Petersburg, Russia.
The serotonergic raphe magnus (RMg) and dorsal raphe (DR) nuclei are crucial pain-regulating structures, which nociceptive activity is shown to be altered in gut pathology, but the underlying neuroplastic changes remain unclear. Considering the importance of 5-HT1A receptors in modulating both pain and raphe neuronal activity, in this study, we aimed to determine whether 5-HT1A-dependent visceral and somatic nociceptive processing within the RMg and DR is modified in postcolitis conditions. In anaesthetised male Wistar rats, healthy control and recovered from TNBS-induced colitis, the microelectrode recordings of RMg and DR neuron responses to noxious colorectal distension (CRD) or tail squeezing (TS) were performed prior and after intravenous administration of 5-HT1A agonist, buspirone.
View Article and Find Full Text PDFPhytoceutical Isoquercitrin and Ethanolic Extracts from Pequi (Caryocar coriaceum Wittm) Reverse Alcohol Withdrawal-Induced Anxiety in Adult Zebrafish (Danio rerio).
Behav Brain Res
January 2025
Programa de Pós-Graduação em Nutrição e Saúde (PPGNS), Universidade Estadual do Ceará, CEP 60.741-000, Fortaleza-CE; Laboratório de Bioprospecção de Produtos Naturais e Biotecnologia (LBPNB), Campus CECITEC, CEP 60.660-000, Tauá-CE, Brasil. Electronic address:
Pharmacotherapy in Alcohol Withdrawal Syndrome (AWS), which is a mental disorder, generally involves benzodiazepines due to their action via GABA, but their side effects, such as excessive sedation, mental confusion and risk of dependence, are considerable. It is important to investigate the anxiolytic potential of plants such as Caryocar coriaceum, due to the presence of secondary metabolic compounds, such as isoquercitrin, capable of promoting the reduction of anxiety during AWS. We evaluated the anxiolytic-like potential of ethanolic extracts from the leaves (EEPL) and pulp (EEPP) of C.
View Article and Find Full Text PDFGut know-how: IL-22 from T cells boosts stress resilience.
Immunity
January 2025
Laboratory of Neuroimmunology, School of Life Sciences, Hangzhou 310030, Zhejiang, China; Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou 310024, Zhejiang, China. Electronic address:
Immune activation during sustained stress typically worsens stress-related psychopathology. Whether it can enhance stress resilience remains unclear. In this issue of Immunity, Xia, Lu, Lan et al.
View Article and Find Full Text PDFTrazodone, dibenzoylmethane and tauroursodeoxycholic acid do not prevent motor dysfunction and neurodegeneration in Marinesco-Sjögren syndrome mice.
PLoS One
January 2025
Department of Neuroscience, Laboratory of Prion Neurobiology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy.
There is no cure for Marinesco-Sjögren syndrome (MSS), a genetic multisystem disease linked to loss-of-function mutations in the SIL1 gene, encoding a BiP co-chaperone. Previously, we showed that the PERK kinase inhibitor GSK2606414 delays cerebellar Purkinje cell (PC) degeneration and the onset of ataxia in the woozy mouse model of MSS. However, GSK2606414 is toxic to the pancreas and does not completely rescue the woozy phenotype.
View Article and Find Full Text PDFTherapeutic potential of trazodone in trigeminal neuralgia based on inflammation and oxidative stress: an experimental study.
J Oral Facial Pain Headache
June 2024
Department of Geriatrics, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), 310003 Hangzhou, Zhejiang, China.
Trigeminal neuralgia (TN) is a debilitating condition affecting the patients' life quality. New therapeutic approaches and novel drugs are required to treat TN. Trazodone being a serotonin antagonist and reuptake inhibitor (SARI) provides neuroprotection, however its role and underlying mechanism in TN or are not clear.
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