CD38 is critical for social behaviour by regulating oxytocin secretion

D Jin, HX Liu, H Hirai, T Torashima, T Nagai… - Nature, 2007 - nature.com
CD38, a transmembrane glycoprotein with ADP-ribosyl cyclase activity, catalyses the
formation of Ca 2+ signalling molecules, but its role in the neuroendocrine system is
unknown. Here we show that adult CD38 knockout (CD38-/-) female and male mice show …

New role of δ2-glutamate receptors in AMPA receptor trafficking and cerebellar function

H Hirai, T Launey, S Mikawa, T Torashima… - Nature …, 2003 - nature.com
Previous gene knockout studies have shown that the orphan glutamate receptor δ2
(GluRδ2) is critically involved in synaptogenesis between parallel fibers and Purkinje cells
during development. However, the precise function of GluRδ2 and whether it is functional in …

Lentivector‐mediated rescue from cerebellar ataxia in a mouse model of spinocerebellar ataxia

T Torashima, C Koyama, A Iizuka, K Mitsumura… - EMBO …, 2008 - embor.embopress.org
Polyglutamine disorders are inherited neurodegenerative diseases caused by the
accumulation of expanded polyglutamine protein (polyQ). Previously, we identified a new
guanosine triphosphatase, CRAG, which facilitates the degradation of polyQ aggregates …

In vivo transduction of murine cerebellar Purkinje cells by HIV-derived lentiviral vectors

T Torashima, S Okoyama, T Nishizaki, H Hirai - Brain research, 2006 - Elsevier
Cerebellar Purkinje cells are key elements in motor learning and motor coordination, and
therefore, it is important to clarify the mechanisms by which Purkinje cells integrate
information and control cerebellar function. Gene transfer into neurons, followed by the …

Inositol 1, 4, 5-trisphosphate receptor type 1 in granule cells, not in Purkinje cells, regulates the dendritic morphology of Purkinje cells through brain-derived …

…, Y Kuroda, T Akagi, T Torashima… - Journal of …, 2006 - Soc Neuroscience
Here, we show that cultured Purkinje cells from inositol 1, 4, 5-trisphosphate receptor type 1
knock-out (IP 3 R1KO) mice exhibited abnormal dendritic morphology. Interestingly, despite
the huge amount of IP 3 R1 expression in Purkinje cells, IP 3 R1 in granule cells, not in the …

A hot spot for hotfoot mutations in the gene encoding the δ2 glutamate receptor

…, S Matsuda, V Drews, T Torashima… - European Journal of …, 2003 - Wiley Online Library
The orphan glutamate receptor δ2 is selectively expressed in Purkinje cells and plays a
crucial role in cerebellar functions. Recently, ataxia in the hotfoot mouse ho4J was
demonstrated to be caused by a deletion in the δ2 receptor gene (Grid2) removing the N …

Exposure of lentiviral vectors to subneutral pH shifts the tropism from Purkinje cell to Bergmann glia

T Torashima, N Yamada, M Itoh… - European Journal of …, 2006 - Wiley Online Library
Cerebellar Purkinje cells play an important role in cerebellar function; lesions of Purkinje
cells result in the disruption of motor coordination and motor learning. Although selective
gene delivery to Purkinje cells would be a powerful technique for the study of …

CD3 and immunoglobulin G Fc receptor regulate cerebellar functions

K Nakamura, H Hirai, T Torashima… - … and cellular biology, 2007 - Am Soc Microbiol
The immune and nervous systems display considerable overlap in their molecular
repertoire. Molecules originally shown to be critical for immune responses also serve
neuronal functions that include normal brain development, neuronal differentiation, synaptic …

Purkinje-cell-preferential transduction by lentiviral vectors with the murine stem cell virus promoter

K Takayama, T Torashima, H Horiuchi, H Hirai - Neuroscience letters, 2008 - Elsevier
Viral-vector-mediated gene delivery into Purkinje cells is a promising method for exploring
the pathophysiology of the cerebellum; however, it is generally difficult to achieve sufficiently
high levels of gene expression in Purkinje cells using viral vectors with a cell-type-specific …

Monoclonal antibody capable of binding to specific discontinuous epitope occurring in AD1 region of human cytomegalovirus GB glycoprotein, and antigen-binding …

K Takada, R Kurino, T Torashima - US Patent 8,492,529, 2013 - Google Patents
The present invention provides a pharmaceutical composition for human cytomegalovirus
HCMV causative of various disease states, the composition comprising a monoclonal
antibody and an antigen-binding fragment thereof that specifically binds to the AD1 region of …