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A randomized, placebo-controlled, cross-over trial of ketamine in Rett syndrome.
J Neurodev Disord
January 2025
Rett Syndrome Research Trust, Trumbull, CT, USA.
Background: Preclinical studies and anecdotal case reports support the potential therapeutic benefit of low-dose oral ketamine as a treatment of clinical symptoms in Rett syndrome (RTT); however, no controlled studies have been conducted in RTT to evaluate safety, tolerability and efficacy.
Design: This was a sequentially initiated, dose-escalating cohort, placebo-controlled, double blind, randomized sequence, cross-over study of oral ketamine in 6-12-year-old girls with RTT to evaluate short-term safety and tolerability and explore efficacy.
Methods: Participants were randomized to either five days treatment with oral ketamine or matched placebo, followed by a nine-day wash-out period and then crossed-over to the opposite treatment.
LONG-LASTING EFFECTS OF EARLY POSTNATAL DYSFUNCTION OF THE BRAIN MUSCARINIC CHOLINERGIC SYSTEM ON LEARNING AND MEMORY AND ADULT HIPPOCAMPAL NEUROGENESIS.
Georgian Med News
November 2024
Lab. Neurobiology of Sleep-Wakefulness Cycle, Ivane Beritashvili Center of Experimental Biomedicine, Tbilisi, Georgia.
Aim: The present investigation aimed to explore in rats the early postnatal dysfunction of the brain muscarinic cholinergic system (EPDMChS) during the most vulnerable period of postnatal development, as the possible main factor for changes in adult hippocampal neurogenesis and disorders in hippocampus-dependent spatial learning and memory.
Methods: White inbred rats (n=15 in each group) were used. EPDMCHS was produced by a new method, which includes early postnatal blocking of M1-M5 muscarinic acetylcholine receptors in the rat pups, using subcutaneous injection of Scopolamine during postnatal days 7-28.
The timing and safety of topical timolol treatment for superficial infantile hemangioma: a retrospective cohort study.
Eur J Pediatr
January 2025
Department of Pediatric Surgery, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.
Unlabelled: Numerous studies have shown that topical timolol is effective in treating infantile hemangioma (IH) with minimal adverse events. However, consensus is lacking on optimal timing, dosage, frequency, and safety parameters for this treatment. This study aims to explore the timing and safety of topical timolol treatment for superficial IH.
View Article and Find Full Text PDFComparing Effects of Aromatherapy with Five Herbs Essential Oils on PCPA-induced Insomnia Mice.
J Microbiol Biotechnol
November 2024
Hua An Tang Biotech Group Co., Ltd., Guangzhou 510000, P.R. China.
Delayed treatment of insomnia-related symptoms can harm physical health and increase the psychological burden. In addition to oral medications and some physical therapies, aromatherapy can help overcome some treatment-related side effects. Herein, parachlorophenylalanine (PCPA)-induced insomnia was established in Kunming (KM) mice, which were subjected to aromatherapy using five plants (, , , , and ) essential oils (EOs).
View Article and Find Full Text PDFDistinct Effects of Olanzapine Depot Treatment on Behavior and Muscarinic M1 Receptor Expression in the Triple-Hit Wisket Rat Model of Schizophrenia.
Genes Brain Behav
February 2025
Department of Physiology, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary.
This study aimed to characterize the triple-hit schizophrenia-like model rats (Wisket) by the assessment of (1) behavioral parameters in different test conditions (reward-based Ambitus test and HomeManner system) for a prolonged period, (2) cerebral muscarinic M1 receptor (M1R) expression, and (3) the effects of olanzapine treatment on these parameters. Wistar (control) and Wisket rats were injected for three consecutive weeks with olanzapine depot (100 mg/kg) and spent 4 weeks in large cages with environmental enrichment (HomeManner). The vehicle-treated Wisket rats spent longer time awake with decreased grooming activity compared to controls, without changes in their active social behavior (sniffing, playing, fighting) obtained in HomeManner.
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