Open Access

Genes involved in osteogenic differentiation induced by low‑intensity pulsed ultrasound in goldfish scales

  • Authors:
    • Yoshiaki Tabuchi
    • Kouhei Kuroda
    • Yukihiro Furusawa
    • Tetsushi Hirano
    • Ryo Nagaoka
    • Masaaki Omura
    • Hideyuki Hasegawa
    • Jun Hirayama
    • Nobuo Suzuki
  • View Affiliations

  • Published online on: November 22, 2024     https://doi.org/10.3892/br.2024.1896
  • Article Number: 18
  • Copyright: © Tabuchi et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

The teleost scale is a unique calcified tissue that contains osteoclasts, osteoblasts, osteocytes and the bone matrix, similar to mammalian bone. Here, the effects of low‑intensity pulsed ultrasound (LIPUS) on osteoblasts and osteoclasts in goldfish scales were investigated. Scales were treated with LIPUS, which is equivalent to use under clinical conditions (30 mW/cm2 for 20 min), then cultured at 15˚C. Alkaline phosphatase activity, a marker of osteoblasts, or tartrate‑resistant acid phosphatase (TRAP) activity, a marker of osteoclasts was measured. The gene expression profile was examined using RNA‑sequencing. Gene network and biological function analyses were performed using the Ingenuity® Pathways Knowledge Base. A single exposure of LIPUS significantly increased ALP activity but did not affect TRAP activity. These data indicated that LIPUS induced osteoblastic activation in goldfish scales. Using RNA‑sequencing, numerous genes that were significantly and differentially expressed 3, 6, and 24 h after LIPUS exposure were observed. Ingenuity® pathway analysis demonstrated that three gene networks, GN‑3h, GN‑6h, and GN‑24h, were obtained from upregulated genes at 3, 6 and 24 h culture, respectively, and included several genes associated with osteoblast differentiation, such as protein kinase D1, prostaglandin‑endoperoxide synthase 2, TNFRSF11B (tumor necrosis factor receptor superfamily, member 11b) and WNT3A (Wnt family member 3A). A significant upregulation of expression levels of these genes in scales treated with LIPUS was confirmed by reverse transcription‑quantitative polymerase chain reaction. These results contribute to elucidating the molecular mechanisms of osteoblast activation induced by LIPUS.
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February-2025
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Spandidos Publications style
Tabuchi Y, Kuroda K, Furusawa Y, Hirano T, Nagaoka R, Omura M, Hasegawa H, Hirayama J and Suzuki N: Genes involved in osteogenic differentiation induced by low‑intensity pulsed ultrasound in goldfish scales. Biomed Rep 22: 18, 2025.
APA
Tabuchi, Y., Kuroda, K., Furusawa, Y., Hirano, T., Nagaoka, R., Omura, M. ... Suzuki, N. (2025). Genes involved in osteogenic differentiation induced by low‑intensity pulsed ultrasound in goldfish scales. Biomedical Reports, 22, 18. https://doi.org/10.3892/br.2024.1896
MLA
Tabuchi, Y., Kuroda, K., Furusawa, Y., Hirano, T., Nagaoka, R., Omura, M., Hasegawa, H., Hirayama, J., Suzuki, N."Genes involved in osteogenic differentiation induced by low‑intensity pulsed ultrasound in goldfish scales". Biomedical Reports 22.2 (2025): 18.
Chicago
Tabuchi, Y., Kuroda, K., Furusawa, Y., Hirano, T., Nagaoka, R., Omura, M., Hasegawa, H., Hirayama, J., Suzuki, N."Genes involved in osteogenic differentiation induced by low‑intensity pulsed ultrasound in goldfish scales". Biomedical Reports 22, no. 2 (2025): 18. https://doi.org/10.3892/br.2024.1896