Article
Neurosciences
Andrea Guerra, Donato Colella, Antonio Cannavacciuolo, Margherita Giangrosso, Giulia Paparella, Giovanni Fabbrini, Alfredo Berardelli, Matteo Bologna
Summary: Patients with Parkinson's disease show impaired short-term potentiation (STP) mechanisms in the primary motor cortex. In this study, the role of this neurophysiological abnormality in bradykinesia was investigated using a multimodal neuromodulation approach. The results suggest that abnormal STP processes are involved in bradykinesia pathophysiology and can be restored by increasing beta oscillations.
NEUROBIOLOGY OF DISEASE
(2023)
Article
Multidisciplinary Sciences
Stephanie Sutoko, Akira Masuda, Akihiko Kandori, Hiroki Sasaguri, Takashi Saito, Takaomi C. Saido, Tsukasa Funane
Summary: Research classified mice with a high risk of AD at a preclinical stage based on their behaviors, using machine learning to identify AD risk early on, with a focus on compulsive and learning behaviors.
Article
Multidisciplinary Sciences
Daniella B. Victorino, Daniel J. L. L. Pinheiro, Jonah J. Scott-McKean, Sarah Barker, Melissa R. Stasko, Jean Faber, Carla A. Scorza, Alberto C. S. Costa
Summary: The study showed that Ts65Dn mice are less sensitive to diazepam, but pre-treatment with diazepam can reduce susceptibility and severity of picrotoxin-induced seizures in these mice. This finding fills an important gap in understanding GABAergic function in a key model of DS.
SCIENTIFIC REPORTS
(2021)
Article
Neurosciences
Ming F. Lu, Qiang Fu, Tian Y. Qiu, Jian H. Yang, Qing H. Peng, Zhen Z. Hu
Summary: This study reveals a new mechanism by which pCaMKII-GABA(B)R signaling can promote psychostimulant-induced behavioral sensitization. It was found that GABA(B)R in the nucleus accumbens affects the development of cocaine-induced behavioral sensitization by mediating its perinucleus internalization and membrane expression. Moreover, the membrane levels of GABA(B)R were decreased while the membrane expression of pCaMKII was increased after repeated cocaine treatment.
CNS NEUROSCIENCE & THERAPEUTICS
(2023)
Article
Pharmacology & Pharmacy
Si-Long Deng, Zhuang-Li Hu, Li Mao, Bo Gao, Qiong Yang, Fang Wang, Jian-Guo Chen
Summary: This study identified that Kctd12 in the DG plays a critical role in regulating stress responses, making it a promising therapeutic target for stress-related psychiatric disorders, including depression.
PHARMACOLOGICAL RESEARCH
(2021)
Article
Biochemistry & Molecular Biology
M. Estrella Fernandez de Sevilla, Jaime Pignatelli, Jonathan A. Zegarra-Valdivia, Pablo Mendez, Angel Nunez, Ignacio Torres Aleman
Summary: This study reveals that mice lacking functional insulin-like growth factor I (IGF-I) receptors in orexin neurons exhibit PTSD-like behavior and are unresponsive to the anxiolytic effects of IGF-I, while inhibition of orexin neurons improves this behavior. Systemic IGF-I treatment also ameliorates PTSD-like behavior in mice, and IGF-I modulates the GABA/Glutamate synaptic structure in orexin neurons to achieve this effect.
MOLECULAR PSYCHIATRY
(2022)
Article
Neurosciences
Margot C. DeBaker, Ezequiel Marron Fernandez de Velasco, Nora M. McCall, Anna M. Lee, Kevin Wickman
Summary: Drugs of abuse enhance dopamine signaling in the mesocorticolimbic circuitry by engaging inhibitory G-protein-dependent feedback pathways in VTA DA neurons, influencing addiction-related behaviors.
Article
Neurosciences
Natalia A. Simonova, Maxim A. Volgushev, Alexey Y. Malyshev
Summary: The dentate gyrus is a site of neurogenesis in the adult brain where integration of new-generated granule cells into the hippocampal circuitry is crucial for normal function. It has been found that GABA-ergic inputs play a significant role in synaptic plasticity, and non-associative plasticity changes with maturation of newly generated granule cells.
FRONTIERS IN SYNAPTIC NEUROSCIENCE
(2022)
Article
Neurosciences
Masoumeh Nazari, Seyed Asaad Karimi, Somayeh Komaki, Masoumeh Kourosh Arami, Alireza Komaki
Summary: This study investigated the effects of CB1 and GABAB receptor antagonists (AM251 and CGP55845) on LTP expression and found that the alterations mainly occurred at the postsynaptic site, as the presence of AM251 or CGP55845 did not affect the paired-pulse ratio (PPR).
Review
Biochemistry & Molecular Biology
Shamprasad Varija Raghu, Avinash Kundadka Kudva, Rajanikant Golgodu Krishnamurthy, Jayesh Mudgal, Thomas George, Manjeshwar Shrinath Baliga
Summary: Exposure to ionizing radiation can harm the brain, leading to increased blood-brain barrier permeability, neuronal apoptosis, reduced neurogenesis, impaired synaptic plasticity, and cognitive dysfunction. Dietary plants and phytochemicals, such as vitamin E, corilagin, curcumin, resveratrol, and ursolic acid, have shown potential in mitigating radiation-induced damage to the central nervous system. Furthermore, alpha-tocopherol and the micronutrient selenium have neuroprotective effects in cancer survivors previously treated with brain radiation.
Article
Biochemistry & Molecular Biology
G. Kovalev, N. A. Sukhorukova, E. V. Vasileva, E. A. Kondrakhin, R. M. Salimov
Summary: The closed enriched cross maze test was used to evaluate the effects of pantogam and atomoxetine hydrochloride on attention deficit disorder (ADD). The results showed that both drugs had corrective effects on animal behavior, increasing attention and affecting the distribution of certain receptor subtypes.
BIOCHEMISTRY MOSCOW-SUPPLEMENT SERIES B-BIOMEDICAL CHEMISTRY
(2022)
Article
Neurosciences
Sherri B. Briggs, Reilly Hannapel, Janavi Ramesh, Marise B. Parent
Summary: Research on neural mechanisms controlling eating behavior suggests that ventral hippocampal (vHC) neurons play a role in inhibiting energy intake, with manipulations of vHC glutamatergic N-methyl-D-aspartate receptors (NMDARs) and activity regulated cytoskeleton-associated protein (Arc) increasing sucrose intake in male rats. However, the rats did not compensate for this increase by delaying or reducing the next meal's intake.