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A zebrafish cDNA encoding a novel keratin protein was characterized and named keratin8, or krt8. krt8 expression was initiated at 4.5 hr postfertilization, immediately after the time of zygotic genome activation. The expression is limited to a single layer of envelope cells on the surface of embryos and, in later stages, it also appears in the innermost(More)
A 1,934-bp muscle-specific promoter from the zebrafish mylz2 gene was isolated and characterized by transgenic analysis. By using a series of 5' promoter deletions linked to the green fluorescent protein (gfp) reporter gene, transient transgenic analysis indicated that the strength of promoter activity appeared to correlate to the number of muscle(More)
To test the Cre/loxP recombination system in zebrafish, a stable transgenic zebrafish line was developed by using a floxed (loxP flanked) gfp(green fluorescent protein) gene construct under the muscle-specific mylz2 promoter. Like our previous non-floxed gfp transgenic line under the same promoter, the new transgenic line expresses GFP reporter faithfully(More)
In contrast to what we know on development of endocrine pancreas, the formation of exocrine pancreas remains poorly understood. To create an animal model that allows observation of exocrine cell differentiation, proliferation, and morphogenesis in living animals, we used the zebrafish elastaseA (elaA) regulatory sequence to develop transgenic zebrafish that(More)
In the present study, new applications of the transgenic technology in developing novel varieties of ornamental fish and bioreactor fish were explored in a model fish, the zebrafish (Danio rerio). Three "living color" fluorescent proteins, green fluorescent protein (GFP), yellow fluorescent protein (YFP), and red fluorescent protein (RFP or dsRed), were(More)
In the present work, three zebrafish cDNA clones encoding transferrin, intestinal fatty acid binding protein (IFABP), and elastaseB were cloned and their expression patterns in early zebrafish development were characterized as differentiation markers for the three major endoderm organs: liver, intestine, and exocrine pancreas. transferrin and ifabp mRNAs(More)
Two tissue-specific promoters were used to express both green fluorescent protein (GFP) and red fluorescent protein (RFP) in transgenic zebrafish embryos. One promoter (CK), derived from a cytokeratin gene, is active specifically in skin epithelia in embryos, and the other promoter (MLC) from a muscle-specific gene encodes a myosin light chain 2(More)
Objective There are many adverse reactions due to clindamycin, but kidney diseases (acute kidney injury, AKI) are uncommon. However, in recent years, the rate of clindamycin-induced kidney diseases has increased. We analyzed 50 patients with clindamycin-induced kidney diseases retrospectively, and investigated the characteristics of these kidney diseases in(More)
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