Cell-type-specific expression of a TESK1 promoter-linked lacZ gene in transgenic mice

Jiro Toshima, Junko Y. Toshima, Misao Suzuki, Tetsuo Noda, Kensaku Mizuno

    Research output: Contribution to journalArticle

    19 Citations (Scopus)

    Abstract

    Testicular protein kinase 1 (TESK1) is a serine/threonine kinase highly expressed in testicular germ cells and has the potential to phosphorylate cofilin and induce actin cytoskeletal reorganization. We examined the expression of a lacZ reporter gene linked to a 9.0-kb 5′-flanking region of TESK1 gene in transgenic mice. A high level of lacZ expression was observed in testicular germ cells only at stages after pachytene spermatocytes, the expression patterns being similar to those of TESK1 mRNA in rat testis, determined by in situ hybridization. Expression of lacZ was also detected in renal proximal tubules, cardiac myocytes, and specific neurons in the central nervous system in adult transgenic mice. Whole-mount staining revealed the expression of lacZ in neural tissues in embryonic mice. These results suggest the cell-type- and stage-specific expression of TESK1 gene and the diverse and specific physiological functions of TESK1, including those in spermatogenesis and neural development.

    Original languageEnglish
    Pages (from-to)566-573
    Number of pages8
    JournalBiochemical and Biophysical Research Communications
    Volume286
    Issue number3
    DOIs
    Publication statusPublished - 2001

    Fingerprint

    Lac Operon
    Transgenic Mice
    Genes
    Germ Cells
    Pachytene Stage
    Cells
    Actin Depolymerizing Factors
    Proximal Kidney Tubule
    Spermatocytes
    5' Flanking Region
    Protein-Serine-Threonine Kinases
    Neurology
    Spermatogenesis
    Reporter Genes
    Cardiac Myocytes
    Neurons
    In Situ Hybridization
    Testis
    Rats
    Actins

    Keywords

    • Central nervous system
    • Cofilin
    • Spermatogenesis
    • TESK1
    • Transgenic mice

    ASJC Scopus subject areas

    • Biochemistry
    • Biophysics
    • Molecular Biology

    Cite this

    Cell-type-specific expression of a TESK1 promoter-linked lacZ gene in transgenic mice. / Toshima, Jiro; Toshima, Junko Y.; Suzuki, Misao; Noda, Tetsuo; Mizuno, Kensaku.

    In: Biochemical and Biophysical Research Communications, Vol. 286, No. 3, 2001, p. 566-573.

    Research output: Contribution to journalArticle

    Toshima, Jiro ; Toshima, Junko Y. ; Suzuki, Misao ; Noda, Tetsuo ; Mizuno, Kensaku. / Cell-type-specific expression of a TESK1 promoter-linked lacZ gene in transgenic mice. In: Biochemical and Biophysical Research Communications. 2001 ; Vol. 286, No. 3. pp. 566-573.
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