Cited by 5Epilepsy research and treatmentNeuroscience and Neuropharmacology ResearchGenetics and Neurodevelopmental Disorders

The DOI matches its Crossref record; 20 of the 20 references it cites were found in a registry or an index.

PHF24 is expressed in the inhibitory interneurons in rats

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Abstract

Noda epileptic rat (NER) is a mutant model for epilepsy that exhibits spontaneous generalized tonic-clonic seizure. Epileptogenesis of NER remains to be elucidated; but it is detected an insertion of an endogenous retrovirus sequence in intron 2 of the PHD finger protein 24 (Phf24) gene, encoding Gαi-interacting protein (GINIP). Phf24 is a strong candidate gene for epileptogenesis in NER. PHF24 modulates GABAB signaling through interacting with Gαi protein. To clarify the epileptogenesis of NER, we investigated a distribution of PHF24-expressing cells in the central nerve system (CNS). While broad expression of PHF24 was observed in the CNS, characteristic expression was noted in the periglomerular layer of the olfactory bulb and the lamina II of the spinal cord in the control rats. These cells showed co-expression with calbindin or calretinin, inhibitory interneuron markers. In the olfactory bulb, 15.6% and 41.2% of PHF24-positive neurons co-expressed calbindin and calretinin, respectively. Immunoelectron microscopy revealed that PHF24 was located in the presynaptic terminals, synaptic membranes and cytoplasmic matrix of neuronal soma. Our data suggested PHF24 is expressed in the inhibitory interneurons and may play important roles in modulation of the GABAB signaling.

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  1. 19. Fioretti AB, Fusetti M, Eibenstein A. The Predictive Role of Hyposmia in Alzheimer’s Disease. 2011. pp. 259–278. In: The Clinical Spectrum of Alzheimer’s Disease -The Charge Toward Comprehensive Diagnostic and Therapeutic Strategies. (de la Monte S.M. eds.), INTECH, Rijeka.

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Metadata

Authors
Numakura, Y., Uemura, R., Tanaka, M., Izawa, T., Yamate, J., Kuramoto, T., Kaneko, T., Mashimo, T., Yamamoto, T., Serikawa, T., & Kuwamura, M.
Affiliations
  • Osaka Prefecture University (JP)
  • Tokyo University of Agriculture (JP)
  • Iwate University (JP)
  • Institute of Medical Science, The University of Tokyo (JP)
  • Hiroshima University (JP)
  • Kyoto University (JP)
Venue
Experimental Animals
Published
2021
Volume
70
Issue
1
Pages
137-143
ISSN
  • 0007-5124 (ISSN-L)
  • 1341-1357
  • 1881-7122
OpenAlex
W3095036280
Cited by
5
References
20
Citations by year
2025: 1 · 2023: 3 · 2022: 1
FWCI
0.73
Type
journal article
Language
en
Open access
Licence
cc-by-nc-nd
Locations
  • EXPERIMENTAL ANIMALS (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Funders
Japan Society for the Promotion of Science (18H03974, 18KK0307)
Topics
  • Health Sciences › Medicine › Clinical Neurology › Epilepsy research and treatment
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
Keywords
inhibitory interneurons, epileptogenesis, Gi protein, olfactory bulb, calbindin, calretinin, presynaptic terminals
MeSH terms
Animals, Central Nervous System, Disease Models, Animal, gamma-Aminobutyric Acid, Immunohistochemistry, Interneurons, Olfactory Bulb, Rats, Inbred F344, Seizures, Spinal Cord, Signal Transduction, Gene Expression, Homeodomain Proteins, Intracellular Signaling Peptides and Proteins, Rats, Genetic Association Studies, Calbindins, Calbindin 2

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