Works by Koyama, Ryuta

Results: 44

A live imaging‐friendly slice culture method using collagen membranes.

Published in:

Neuropsychopharmacology Reports, 2020, v. 40, n. 3, p. 307, doi. 10.1002/npr2.12128

By:

Ogaki, Ari;
Araki, Tasuku;
Ishikawa, Masaya;
Ikegaya, Yuji;
Koyama, Ryuta

Publication type:

Article

Microglia attenuate the kainic acid‐induced death of hippocampal neurons in slice cultures.

Published in:

Neuropsychopharmacology Reports, 2020, v. 40, n. 1, p. 85, doi. 10.1002/npr2.12086

By:

Araki, Tasuku;
Ikegaya, Yuji;
Koyama, Ryuta

Publication type:

Article

Induced neuronal activity does not attenuate amyloid beta‐induced synaptic loss in vitro.

Published in:

Neuropsychopharmacology Reports, 2019, v. 39, n. 4, p. 306, doi. 10.1002/npr2.12074

By:

Kono, Rena;
Kim, Gyu Li;
Nagata, Hidetaka;
Ikegaya, Yuji;
Koyama, Ryuta

Publication type:

Article

The Molecular and Cellular Mechanisms of Axon Guidance in Mossy Fiber Sprouting.

Published in:

Frontiers in Neurology, 2018, p. 1, doi. 10.3389/fneur.2018.00382

By:

Ryuta Koyama;
Yuji Ikegaya

Publication type:

Article

Neuronal brain‐derived neurotrophic factor manipulates microglial dynamics.

Published in:

Glia (0894-1491), 2021, v. 69, n. 4, p. 890, doi. 10.1002/glia.23934

By:

Onodera, Junya;
Nagata, Hidetaka;
Nakashima, Ai;
Ikegaya, Yuji;
Koyama, Ryuta

Publication type:

Article

Microglia engulf viable newborn cells in the epileptic dentate gyrus.

Published in:

Glia (0894-1491), 2016, v. 64, n. 9, p. 1508, doi. 10.1002/glia.23018

By:

Luo, Cong;
Koyama, Ryuta;
Ikegaya, Yuji

Publication type:

Article

Neuronal hyperactivity sustains the basal dendrites of immature dentate granule cells: Time-lapse confocal analysis using hippocampal slice cultures.

Published in:

Hippocampus, 2009, v. 19, n. 4, p. 379, doi. 10.1002/hipo.20529

By:

Nakahara, Soichiro;
Tamura, Makoto;
Matsuki, Norio;
Koyama, Ryuta

Publication type:

Article

The effects of microglia‐ and astrocyte‐derived factors on neurogenesis in health and disease.

Published in:

European Journal of Neuroscience, 2021, v. 54, n. 5, p. 5880, doi. 10.1111/ejn.14969

By:

Araki, Tasuku;
Ikegaya, Yuji;
Koyama, Ryuta

Publication type:

Article

Differentiation of Human Induced Pluripotent Stem Cell (hiPSC)-Derived Neurons in Mouse Hippocampal Slice Cultures.

Published in:

Frontiers in Cellular Neuroscience, 2017, p. 1, doi. 10.3389/fncel.2017.00143

By:

Toshimitsu Hiragi;
Megumi Andoh;
Toshihiro Araki;
Takayuki Shirakawa;
Takashi Ono;
Ryuta Koyama;
Yuji Ikegaya

Publication type:

Article

Brain-Derived Neurotrophic Factor Induces Hyperexcitable Reentrant Circuits in the Dentate Gyrus.

Published in:

Journal of Neuroscience, 2004, v. 24, n. 33, p. 9215, doi. 10.1523/JNEUROSCI.2045-04.2004

By:

Koyama, Ryuta;
Yamada, Maki K.;
Fujisawa, Shigeyoshi;
Katoh-Semba, Ritsuko;
Matsuki, Norio;
Ikegaya, Yuji

Publication type:

Article

Neonatal Seizure Models to Study Epileptogenesis.

Published in:

Frontiers in Pharmacology, 2018, p. 1, doi. 10.3389/fphar.2018.00385

By:

Kasahara, Yuka;
Ikegaya, Yuji;
Koyama, Ryuta

Publication type:

Article

Rapid regrowth of hippocampal mossy fibres and preceding maturation of NMDA receptor-mediated neurotransmission.

Published in:

European Journal of Neuroscience, 2002, v. 15, n. 11, p. 1859, doi. 10.1046/j.1460-9568.2002.02035.x

By:

Ikegaya, Yuji;
Koyama, Ryuta;
Yamada, Maki K.;
Nishiyama, Nobuyoshi;
Matsuki, Norio

Publication type:

Article

Replacement of Mouse Microglia With Human Induced Pluripotent Stem Cell (hiPSC)-Derived Microglia in Mouse Organotypic Slice Cultures.

Published in:

Frontiers in Cellular Neuroscience, 2022, v. 16, p. 1, doi. 10.3389/fncel.2022.918442

By:

Ari Ogaki;
Yuji Ikegaya;
Ryuta Koyama

Publication type:

Article

Ischemic Brain Injury Leads to Brain Edema via Hyperthermia-Induced TRPV4 Activation.

Published in:

Journal of Neuroscience, 2018, v. 38, n. 25, p. 5700, doi. 10.1523/JNEUROSCI.2888-17.2018

By:

Yutaka Hoshi;
Kohki Okabe;
Koji Shibasaki;
Takashi Funatsu;
Norio Matsuki;
Yuji Ikegaya;
Ryuta Koyama

Publication type:

Article

Cover Image.

Published in:

Developmental Neurobiology (19328451), 2021, v. 81, n. 5, p. ii, doi. 10.1002/dneu.22842

By:

Andoh, Megumi;
Koyama, Ryuta

Publication type:

Article

Microglia regulate synaptic development and plasticity.

Published in:

Developmental Neurobiology (19328451), 2021, v. 81, n. 5, p. 568, doi. 10.1002/dneu.22814

By:

Andoh, Megumi;
Koyama, Ryuta

Publication type:

Article

The ratio of ‘deleted in colorectal cancer’ to ’uncoordinated-5A‘ netrin-1 receptors on the growth cone regulates mossy fibre directionality.

Published in:

Brain: A Journal of Neurology, 2010, v. 133, n. 1, p. 60, doi. 10.1093/brain/awp266

By:

Muramatsu, Rieko;
Nakahara, Soichiro;
Ichikawa, Junya;
Watanabe, Keisuke;
Matsuki, Norio;
Koyama, Ryuta

Publication type:

Article

GABAergic excitation after febrile seizures induces ectopic granule cells and adult epilepsy.

Published in:

Nature Medicine, 2012, v. 18, n. 8, p. 1271, doi. 10.1038/nm.2850

By:

Koyama, Ryuta;
Tao, Kentaro;
Sasaki, Takuya;
Ichikawa, Junya;
Miyamoto, Daisuke;
Muramatsu, Rieko;
Matsuki, Norio;
Ikegaya, Yuji

Publication type:

Article

Soluble form of Lingo2, an autism spectrum disorder-associated molecule, functions as an excitatory synapse organizer in neurons.

Published in:

Translational Psychiatry, 2024, v. 14, n. 1, p. 1, doi. 10.1038/s41398-024-03167-5

By:

Yoshida, Fumiaki;
Nagatomo, Ryota;
Utsunomiya, Shun;
Kimura, Misaki;
Shun, Shiyori;
Kono, Rena;
Kato, Yuma;
Nao, Yosuke;
Maeda, Kazuma;
Koyama, Ryuta;
Ikegaya, Yuji;
Lichtenthaler, Stefan F.;
Takatori, Sho;
Takemoto, Hiroshi;
Ogawa, Koichi;
Ito, Genta;
Tomita, Taisuke

Publication type:

Article

To BDNF or Not to BDNF: That Is the Epileptic Hippocampus.

Published in:

Neuroscientist, 2005, v. 11, n. 4, p. 282, doi. 10.1177/1073858405278266

By:

Koyama, Ryuta;
Ikegaya, Yuji

Publication type:

Article

AMP-activated protein kinase mediates activity-dependent axon branching by recruiting mitochondria to axon.

Published in:

Developmental Neurobiology (19328451), 2014, v. 74, n. 6, p. 557, doi. 10.1002/dneu.22149

By:

Tao, Kentaro;
Matsuki, Norio;
Koyama, Ryuta

Publication type:

Article

Synaptic phagocytosis by multiple glial cell types.

Published in:

Folia Pharmacologica Japonica, 2023, v. 158, n. 5, p. 348, doi. 10.1254/fpj.23004

By:

Rena Kono;
Yuji Ikegaya;
Ryuta Koyama

Publication type:

Article

Group II metabotropic glutamate receptor activation is required for normal hippocampal mossy fibre development in the rat.

Published in:

Journal of Physiology, 2002, v. 539, n. 1, p. 157, doi. 10.1113/jphysiol.2001.013505

By:

Koyama, Ryuta;
Yamada, Maki Kobayashi;
Nishiyama, Nobuyoshi;
Matsuki, Norio;
Ikegaya, Yuji

Publication type:

Article

Extracellular Vesicles Taken up by Astrocytes.

Published in:

International Journal of Molecular Sciences, 2021, v. 22, n. 19, p. 10553, doi. 10.3390/ijms221910553

By:

Ogaki, Ari;
Ikegaya, Yuji;
Koyama, Ryuta

Publication type:

Article

The Astrocytic cAMP Pathway in Health and Disease.

Published in:

International Journal of Molecular Sciences, 2019, v. 20, n. 3, p. 779, doi. 10.3390/ijms20030779

By:

Zhou, Zhiwen;
Ikegaya, Yuji;
Koyama, Ryuta

Publication type:

Article

The use of organotypic slice cultures for the study of epileptogenesis.

Published in:

Neuropathology, 2013, v. 33, n. 4, p. 475, doi. 10.1111/neup.12019

By:

Koyama, Ryuta

Publication type:

Article

Vascular Abnormalities and the Role of Vascular Endothelial Growth Factor in the Epileptic Brain.

Published in:

Frontiers in Pharmacology, 2020, p. 1, doi. 10.3389/fphar.2020.00020

By:

Ogaki, Ari;
Ikegaya, Yuji;
Koyama, Ryuta

Publication type:

Article

Environmental Control of the Survival and Differentiation of Dentate Granule Neurons.

Published in:

Cerebral Cortex, 2004, v. 14, n. 12, p. 1358, doi. 10.1093/cercor/bhh096

By:

Kim, Jeong-Ah;
Koyama, Ryuta;
Yamada, Ryuji X.;
Yamada, Maki K.;
Nishiyama, Nobuyoshi;
Matsuki, Norio;
Ikegaya, Yuji

Publication type:

Article

Synaptic Pruning by Microglia in Epilepsy.

Published in:

Journal of Clinical Medicine, 2019, v. 8, n. 12, p. 2170, doi. 10.3390/jcm8122170

By:

Andoh, Megumi;
Ikegaya, Yuji;
Koyama, Ryuta

Publication type:

Article

Photoactivated adenylyl cyclase (PAC) reveals novel mechanisms underlying cAMP-dependent axonal morphogenesis.

Published in:

Scientific Reports, 2016, p. 19679, doi. 10.1038/srep19679

By:

Zhou, Zhiwen;
Tanaka, Kenji F.;
Matsunaga, Shigeru;
Iseki, Mineo;
Watanabe, Masakatsu;
Matsuki, Norio;
Ikegaya, Yuji;
Koyama, Ryuta

Publication type:

Article

Development of an in vitro compound screening system that replicate the in vivo spine phenotype of idiopathic ASD model mice.

Published in:

Frontiers in Pharmacology, 2024, p. 1, doi. 10.3389/fphar.2024.1455812

By:

Kazuma Maeda;
Miki Tanimura;
Yusaku Masago;
Tsukasa Horiyama;
Hiroshi Takemoto;
Takuya Sasaki;
Ryuta Koyama;
Yuji Ikegaya;
Koichi Ogawa

Publication type:

Article

Neuraminidase-Dependent Degradation of Polysialic Acid Is Required for the Lamination of Newly Generated Neurons.

Published in:

PLoS ONE, 2016, v. 11, n. 1, p. 1, doi. 10.1371/journal.pone.0146398

By:

Sajo, Mari;
Sugiyama, Hiroki;
Yamamoto, Hideaki;
Tanii, Takashi;
Matsuki, Norio;
Ikegaya, Yuji;
Koyama, Ryuta

Publication type:

Article

Prenatal Stress Inhibits Neuronal Maturation through Downregulation of Mineralocorticoid Receptors.

Published in:

Journal of Neuroscience, 2011, v. 31, n. 32, p. 11505, doi. 10.1523/JNEUROSCI.3447-10.2011

By:

Tamura, Makoto;
Sajo, Mari;
Kakita, Akiyoshi;
Matsuki, Norio;
Koyama, Ryuta

Publication type:

Article

Regulation of Axonal Elongation and Pathfinding from the Entorhinal Cortex to the Dentate Gyrus in the Hippocampus by the Chemokine Stromal Cell-Derived Factor 1α.

Published in:

Journal of Neuroscience, 2008, v. 28, n. 33, p. 8344, doi. 10.1523/JNEUROSCI.1670-08.2008

By:

Ohshima, Yoichi;
Kubo, Takekazu;
Koyama, Ryuta;
Ueno, Masaki;
Nakagawa, Masanori;
Yamashita, Toshihide

Publication type:

Article

Long-Range Axonal Calcium Sweep Induces Axon Retraction.

Published in:

Journal of Neuroscience, 2008, v. 28, n. 18, p. 4613, doi. 10.1523/JNEUROSCI.0019-08.2008

By:

Yamada, Ryuji X.;
Sasaki, Takuya;
Ichikawa, Junya;
Koyama, Ryuta;
Matsuki, Norio;
Ikegaya, Yuji

Publication type:

Article

Comparative Review of Microglia and Monocytes in CNS Phagocytosis.

Published in:

Cells (2073-4409), 2021, v. 10, n. 10, p. 2555, doi. 10.3390/cells10102555

By:

Andoh, Megumi;
Koyama, Ryuta

Publication type:

Article

Phagocytic Glial Cells in Brain Homeostasis.

Published in:

Cells (2073-4409), 2021, v. 10, n. 6, p. 1348, doi. 10.3390/cells10061348

By:

Kono, Rena;
Ikegaya, Yuji;
Koyama, Ryuta

Publication type:

Article

Having an Old Friend for Dinner: The Interplay between Apoptotic Cells and Efferocytes.

Published in:

Cells (2073-4409), 2021, v. 10, n. 5, p. 1265, doi. 10.3390/cells10051265

By:

Lam, Austin Le;
Heit, Bryan;
Koyama, Ryuta

Publication type:

Article

The Role of Trogocytosis in the Modulation of Immune Cell Functions.

Published in:

Cells (2073-4409), 2021, v. 10, n. 5, p. 1255, doi. 10.3390/cells10051255

By:

Miyake, Kensuke;
Karasuyama, Hajime;
Koyama, Ryuta;
Nakada-Tsukui, Kumiko

Publication type:

Article

Shaping of T Cell Functions by Trogocytosis.

Published in:

Cells (2073-4409), 2021, v. 10, n. 5, p. 1155, doi. 10.3390/cells10051155

By:

Nakayama, Masafumi;
Hori, Arisa;
Toyoura, Saori;
Yamaguchi, Shin-Ichiro;
Koyama, Ryuta;
Nakada-Tsukui, Kumiko

Publication type:

Article

Microglia after Seizures and in Epilepsy.

Published in:

Cells (2073-4409), 2018, v. 7, n. 4, p. 26, doi. 10.3390/cells7040026

By:

Hiragi, Toshimitsu;
Ikegaya, Yuji;
Koyama, Ryuta

Publication type:

Article

Microglia induce auditory dysfunction after status epilepticus in mice.

Published in:

Glia (0894-1491), 2024, v. 72, n. 2, p. 274, doi. 10.1002/glia.24472

By:

Araki, Tasuku;
Hiragi, Toshimitsu;
Kuga, Nahoko;
Luo, Cong;
Andoh, Megumi;
Sugao, Kohtaroh;
Nagata, Hidetaka;
Sasaki, Takuya;
Ikegaya, Yuji;
Koyama, Ryuta

Publication type:

Article

Assessing Microglial Dynamics by Live Imaging.

Published in:

Frontiers in Immunology, 2021, v. 11, p. N.PAG, doi. 10.3389/fimmu.2021.617564

By:

Andoh, Megumi;
Koyama, Ryuta

Publication type:

Article

Influence of brain-derived neurotrophic factor on pathfinding of dentate granule cell axons, the hippocampal mossy fibers.

Published in:

Molecular Brain, 2009, v. 2, p. 1, doi. 10.1186/1756-6606-2-2

By:

Tamura, Makoto;
Tamura, Naohiro;
Ikeda, Takamitsu;
Koyama, Ryuta;
Ikegaya, Yuji;
Matsuki, Norio;
Yamada, Maki K.

Publication type:

Article