ArticleArchives of Razi Institute2023
The Modulatory Role of Orexin 1 Receptor in Nucleus Accumbens (NAc) on Spatial Memory in Rats.
Article in Archives of Razi Institute, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 2 citations in OpenAlex.
- Orexin and Lifestyle Habits: A Meaningful Connection Among Nutrition, Physical Activity, and Sleep Pattern in Health and Diseases.International journal of molecular sciences · 2025Review
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4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Neuropeptide orexin mainly exists in neurons within and around the lateral hypothalamus and exhibits high affinity to orexin 1 and 2 receptors (OX1R and OX2R, respectively). Orexinergic neurons send their axons to the nucleus accumbens (NAc), which expresses OX1Rs. Previous studies have shown the involvement of orexins and their role in learning and memory processes in the dorsal raphe nucleus and hippocampus. However, no study has examined the effects of orexins in the NAc on memory. The present study examined the effect of the post-training and pre-probe trial intra-NAc administration of SB-33486-A (OX1R antagonist, 12 μg/0.5μl) and TCS-OX2-29 (OX2R antagonist, 10 μg/0.5 μl) on the consolidation and retrieval of memory in the Morris Water Maze (MWM) task. In experiment 1, rats were trained in the MWM and, immediately after every training, received bilateral injections of dimethyl sulfoxide (DMSO) (control group), SB-334867-A (SB), and TCS-OX2-29 (TCS) into the NAc. Experiment 2 was similar to experiment 1, except that the rats received DMSO, SB, and TCS 15 min before the probe test. Probe and visible tests were performed after the last training, and the distance moved, escape latency, and velocity were recorded. In experiment 3, rats trained in experiments 1 and 2, immediately after the probe test, were given the trials for visuomotor coordination assessment on the visible platform. According to the results, the injection of SB increased the distance moved and escape latency in the treated groups, compared to the control group, in the consolidation phase of spatial memory (
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