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In development of the peripheral nervous system, Schwann cells proliferate, migrate, and ultimately differentiate to form myelin sheath. In all of the myelination stages, Schwann cells continuously undergo morphological changes; however, little is known about their underlying molecular mechanisms. We previously cloned the dock7 gene encoding the atypical(More)
Lithium, a drug in the treatment of bipolar disorder, modulates many aspects of neuronal developmental processes such as neurogenesis, survival, and neuritogenesis. However, the underlying mechanism still remains to be understood. Here, we show that lithium upregulates the expression of sorting nexin 3 (SNX3), one of the Phox (PX) domain-containing proteins(More)
Charcot-Marie-Tooth (CMT) disease is the most frequent peripheral neuropathy affecting the Schwann cells and neurons. CMT disease type 2 (CMT2) neuropathies are characterized by peripheral nerve aberrance. Four missense mutations of Rab7, a small GTPase of the Rab family involved in intracellular vesicular trafficking, are associated with the CMT2B(More)
Human induced pluripotent stem cells (hiPSCs) possess the capabilities of self-renewal and differentiation into multiple cell types, and they are free of the ethical problems associated with human embryonic stem cells (hESCs). These characteristics make hiPSCs a promising choice for future regenerative medicine research. There are significant obstacles,(More)
We previously reported that sorting nexin 3 (SNX3), a protein belonging to the sorting nexin family, regulates neurite outgrowth in mouse N1E-115 neuroblastoma cells. The snx3 gene is disrupted in patients with microcephaly, microphthalmia, ectrodactyly, and prognathism (MMEP) and mental retardation, demonstrating that SNX3 plays an important role in the(More)
Although protein-tyrosine phosphorylation is important for hippocampus-dependent learning, its role in cerebellum-dependent learning remains unclear. We previously found that PTPMEG, a cytoplasmic protein-tyrosine phosphatase expressed in Purkinje cells (PCs), bound to the carboxyl-terminus of the glutamate receptor delta2 via the postsynaptic(More)
The complete nucleotide sequences of the matrix protein (M) genes of parainfluenza virus types 4A and 4B (PIV-4A and -4B) were determined from cDNA of the mRNA, and found to be 1548 bases in length, exclusive of poly(A) sequences. The sequences contained a large open reading frame of 1146 nucleotides encoding 362 amino acids. A high degree of identity(More)
Food intake is regulated by various factors such as neuropeptide Y. Neuropeptide Y potently induces an increase in food intake, and simultaneously stimulates arginine-vasopressin (AVP) secretion in the brain. Recently, we reported that V(1A) vasopressin receptor-deficient (V(1A)R(-/-)) mice exhibited altered daily food intake accompanied with hyperglycemia(More)
Selective serotonin reuptake inhibitors (SSRIs) are commonly prescribed for treatment of mood disorders and depression, even during pregnancy and lactation. SSRIs are thought to be much safer than tricyclic antidepressants, with a low risk of embryonic toxicity. Several recent studies, however, have reported that fetal exposure to SSRIs increases the risk(More)