Natsuko Kikuchi

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We describe the use of direct injection of circular plasmid DNA and subsequent in vivo electroporation (EP) for efficient gene delivery to the ovarian cells, including follicular cells and oocytes of mice. When Trypan blue (TB) was injected into the central portion of an ovary by a glass micropipette, rapid dispersion of TB to each preantral and antral(More)
BACKGROUND Various animal models of renal failure have been produced and used to investigate mechanisms underlying renal disease and develop therapeutic drugs. Most methods available to produce such models appear to involve subtotal nephrectomy or intravenous administration of antibodies raised against basement membrane of glomeruli. In this study, we(More)
Medaka (Oryzias latipes) has many advantages for genetic and developmental studies. With recent advances in the genome analyses of other species, rapid accumulation of resources for medaka genomics is expected. In this study, we generated an arrayed medaka cosmid library from the HNI inbred strain, carrying a 40-kb insert on average. The library consists of(More)
Medaka is one of the prominent model animals, which also include other fishes such as Fugu and zebrafish. Its genome is relatively compact but has not been well characterized. Here we have sequenced a 229-kb region of medaka, containing the Double anal fin (Da) locus, and compared its structure to those in Fugu, human, and mouse. This region, representing a(More)
The surface epithelium of mid-gestational murine embryos is thought to be an attractive target for gene therapy in vivo, due to its visibility and accessibility from the external surface of the maternal uterus. Almost all studies of in utero gene transfer have adopted viral vectors for infection of fetal epithelium, and depended on intraamniotic(More)
Double anal fin (Da) is a spontaneous medaka mutant that exhibits an unique ventralizing phenotype, a mirror-image duplication across the lateral midline in the dorsal trunk-tail region. In the mutant, early D-V specification appears normal but the altered phenotype becomes evident during late embryogenesis. In this study, we genetically specified the(More)
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