--- _id: '7148' abstract: - lang: eng text: In the cerebellum, GluD2 is exclusively expressed in Purkinje cells, where it regulates synapse formation and regeneration, synaptic plasticity, and motor learning. Delayed cognitive development in humans with GluD2 gene mutations suggests extracerebellar functions of GluD2. However, extracerebellar expression of GluD2 and its relationship with that of GluD1 are poorly understood. GluD2 mRNA and protein were widely detected, with relatively high levels observed in the olfactory glomerular layer, medial prefrontal cortex, cingulate cortex, retrosplenial granular cortex, olfactory tubercle, subiculum, striatum, lateral septum, anterodorsal thalamic nucleus, and arcuate hypothalamic nucleus. These regions were also enriched for GluD1, and many individual neurons coexpressed the two GluDs. In the retrosplenial granular cortex, GluD1 and GluD2 were selectively expressed at PSD‐95‐expressing glutamatergic synapses, and their coexpression on the same synapses was shown by SDS‐digested freeze‐fracture replica labeling. Biochemically, GluD1 and GluD2 formed coimmunoprecipitable complex formation in HEK293T cells and in the cerebral cortex and hippocampus. We further estimated the relative protein amount by quantitative immunoblotting using GluA2/GluD2 and GluA2/GluD1 chimeric proteins as standards for titration of GluD1 and GluD2 antibodies. Intriguingly, the relative amount of GluD2 was almost comparable to that of GluD1 in the postsynaptic density fraction prepared from the cerebral cortex and hippocampus. In contrast, GluD2 was overwhelmingly predominant in the cerebellum. Thus, we have determined the relative extracerebellar expression of GluD1 and GluD2 at regional, neuronal, and synaptic levels. These data provide a molecular–anatomical basis for possible competitive and cooperative interactions of GluD family members at synapses in various brain regions. acknowledgement: This study was supported by Grants-in-Aid for Scientific Research to K.K. (18K06813), Y.M. (17K08503, 17H0631319), and K.S. (16H04650) and a grant for Scientific Research on Innovative Areas to K.S (16H06276) from the Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT). We thank K. Akashi, I. Watanabe-Iida, Y. Suzuki, and H. Azechi for technical assistance and advice, and H. Uchida for valuable discussions. We thank E. Kushiya,I. Yabe, C. Ohori, Y. Mochizuki, Y. Ishikawa, and N. Ishimoto for technical assistance in generating GluD1-KO mice. article_processing_charge: No article_type: original author: - first_name: Chihiro full_name: Nakamoto, Chihiro last_name: Nakamoto - first_name: Kohtarou full_name: Konno, Kohtarou last_name: Konno - first_name: Taisuke full_name: Miyazaki, Taisuke last_name: Miyazaki - first_name: Ena full_name: Nakatsukasa, Ena last_name: Nakatsukasa - first_name: Rie full_name: Natsume, Rie last_name: Natsume - first_name: Manabu full_name: Abe, Manabu last_name: Abe - first_name: Meiko full_name: Kawamura, Meiko last_name: Kawamura - first_name: Yugo full_name: Fukazawa, Yugo last_name: Fukazawa - first_name: Ryuichi full_name: Shigemoto, Ryuichi id: 499F3ABC-F248-11E8-B48F-1D18A9856A87 last_name: Shigemoto orcid: 0000-0001-8761-9444 - first_name: Miwako full_name: Yamasaki, Miwako last_name: Yamasaki - first_name: Kenji full_name: Sakimura, Kenji last_name: Sakimura - first_name: Masahiko full_name: Watanabe, Masahiko last_name: Watanabe citation: ama: Nakamoto C, Konno K, Miyazaki T, et al. Expression mapping, quantification, and complex formation of GluD1 and GluD2 glutamate receptors in adult mouse brain. Journal of Comparative Neurology. 2020;528(6):1003-1027. doi:10.1002/cne.24792 apa: Nakamoto, C., Konno, K., Miyazaki, T., Nakatsukasa, E., Natsume, R., Abe, M., … Watanabe, M. (2020). Expression mapping, quantification, and complex formation of GluD1 and GluD2 glutamate receptors in adult mouse brain. Journal of Comparative Neurology. Wiley. https://doi.org/10.1002/cne.24792 chicago: Nakamoto, Chihiro, Kohtarou Konno, Taisuke Miyazaki, Ena Nakatsukasa, Rie Natsume, Manabu Abe, Meiko Kawamura, et al. “Expression Mapping, Quantification, and Complex Formation of GluD1 and GluD2 Glutamate Receptors in Adult Mouse Brain.” Journal of Comparative Neurology. Wiley, 2020. https://doi.org/10.1002/cne.24792. ieee: C. Nakamoto et al., “Expression mapping, quantification, and complex formation of GluD1 and GluD2 glutamate receptors in adult mouse brain,” Journal of Comparative Neurology, vol. 528, no. 6. Wiley, pp. 1003–1027, 2020. ista: Nakamoto C, Konno K, Miyazaki T, Nakatsukasa E, Natsume R, Abe M, Kawamura M, Fukazawa Y, Shigemoto R, Yamasaki M, Sakimura K, Watanabe M. 2020. Expression mapping, quantification, and complex formation of GluD1 and GluD2 glutamate receptors in adult mouse brain. Journal of Comparative Neurology. 528(6), 1003–1027. mla: Nakamoto, Chihiro, et al. “Expression Mapping, Quantification, and Complex Formation of GluD1 and GluD2 Glutamate Receptors in Adult Mouse Brain.” Journal of Comparative Neurology, vol. 528, no. 6, Wiley, 2020, pp. 1003–27, doi:10.1002/cne.24792. short: C. Nakamoto, K. Konno, T. Miyazaki, E. Nakatsukasa, R. Natsume, M. Abe, M. Kawamura, Y. Fukazawa, R. Shigemoto, M. Yamasaki, K. Sakimura, M. Watanabe, Journal of Comparative Neurology 528 (2020) 1003–1027. date_created: 2019-12-04T16:09:29Z date_published: 2020-04-01T00:00:00Z date_updated: 2023-08-17T14:06:50Z day: '01' ddc: - '571' - '599' department: - _id: RySh doi: 10.1002/cne.24792 external_id: isi: - '000496410200001' pmid: - '31625608' has_accepted_license: '1' intvolume: ' 528' isi: 1 issue: '6' language: - iso: eng month: '04' oa_version: None page: 1003-1027 pmid: 1 publication: Journal of Comparative Neurology publication_identifier: eissn: - 1096-9861 issn: - 0021-9967 publication_status: published publisher: Wiley quality_controlled: '1' scopus_import: '1' status: public title: Expression mapping, quantification, and complex formation of GluD1 and GluD2 glutamate receptors in adult mouse brain type: journal_article user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8 volume: 528 year: '2020' ...