Parathyroid hormone 1 (1-34) acts on the scales and involves calcium metabolism in goldfish

Nobuo Suzuki, Janine A. Danks, Yusuke Maruyama, Mika Ikegame, Yuichi Sasayama, Atsuhiko Hattori, Masahisa Nakamura, Makoto J. Tabata, Toshio Yamamoto, Ryo Furuya, Kiyofumi Saijoh, Hiroyuki Mishima, Ajai K. Srivastav, Yukihiro Furusawa, Takashi Kondo, Yoshiaki Tabuchi, Ichiro Takasaki, Vishwajit S. Chowdhury, Kazuichi Hayakawa, T. John Martin

Research output: Contribution to journalArticle

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Abstract

The effect of fugu parathyroid hormone 1 (fugu PTH1) on osteoblasts and osteoclasts in teleosts was examined with an assay system using teleost scale and the following markers: alkaline phosphatase (ALP) for osteoblasts and tartrate-resistant acid phosphatase (TRAP) for osteoclasts. Synthetic fugu PTH1 (1-34) (100. pg/ml-10. ng/ml) significantly increased ALP activity at 6. h of incubation. High-dose (10. ng/ml) fugu PTH1 significantly increased ALP activity even after 18. h of incubation. In the case of TRAP activity, fugu PTH1 did not change at 6. h of incubation, but fugu PTH1 (100. pg/ml-10. ng/ml) significantly increased TRAP activity at 18. h. Similar results were obtained for human PTH (1-34), but there was an even greater response with fugu PTH1 than with human PTH. In vitro, we demonstrated that both the receptor activator of the NF-κB ligand in osteoblasts and the receptor activator NF-κB mRNA expression in osteoclasts increased significantly by fugu PTH1 treatment. In an in vivo experiment, fugu PTH1 induced hypercalcemia resulted from the increase of both osteoblastic and osteoclastic activities in the scale as well as the decrease of scale calcium contents after fugu PTH1 injection. In addition, an in vitro experiment with intramuscular autotransplanted scale indicated that the ratio of multinucleated osteoclasts/mononucleated osteoclasts in PTH-treated scales was significantly higher than that in the control scales. Thus, we concluded that PTH acts on osteoblasts and osteoclasts in the scales and regulates calcium metabolism in goldfish.

Original languageEnglish
Pages (from-to)1186-1193
Number of pages8
JournalBone
Volume48
Issue number5
DOIs
Publication statusPublished - 2011 May 1

Fingerprint

Takifugu
Goldfish
Parathyroid Hormone
Calcium
Osteoclasts
Osteoblasts
Alkaline Phosphatase
Hypercalcemia
Ligands

Keywords

  • Calcium metabolism
  • Fish scales
  • Osteoblasts
  • Osteoclasts
  • Parathyroid hormone

ASJC Scopus subject areas

  • Physiology
  • Endocrinology, Diabetes and Metabolism
  • Histology

Cite this

Suzuki, N., Danks, J. A., Maruyama, Y., Ikegame, M., Sasayama, Y., Hattori, A., ... Martin, T. J. (2011). Parathyroid hormone 1 (1-34) acts on the scales and involves calcium metabolism in goldfish. Bone, 48(5), 1186-1193. https://doi.org/10.1016/j.bone.2011.02.004

Parathyroid hormone 1 (1-34) acts on the scales and involves calcium metabolism in goldfish. / Suzuki, Nobuo; Danks, Janine A.; Maruyama, Yusuke; Ikegame, Mika; Sasayama, Yuichi; Hattori, Atsuhiko; Nakamura, Masahisa; Tabata, Makoto J.; Yamamoto, Toshio; Furuya, Ryo; Saijoh, Kiyofumi; Mishima, Hiroyuki; Srivastav, Ajai K.; Furusawa, Yukihiro; Kondo, Takashi; Tabuchi, Yoshiaki; Takasaki, Ichiro; Chowdhury, Vishwajit S.; Hayakawa, Kazuichi; Martin, T. John.

In: Bone, Vol. 48, No. 5, 01.05.2011, p. 1186-1193.

Research output: Contribution to journalArticle

Suzuki, N, Danks, JA, Maruyama, Y, Ikegame, M, Sasayama, Y, Hattori, A, Nakamura, M, Tabata, MJ, Yamamoto, T, Furuya, R, Saijoh, K, Mishima, H, Srivastav, AK, Furusawa, Y, Kondo, T, Tabuchi, Y, Takasaki, I, Chowdhury, VS, Hayakawa, K & Martin, TJ 2011, 'Parathyroid hormone 1 (1-34) acts on the scales and involves calcium metabolism in goldfish', Bone, vol. 48, no. 5, pp. 1186-1193. https://doi.org/10.1016/j.bone.2011.02.004
Suzuki N, Danks JA, Maruyama Y, Ikegame M, Sasayama Y, Hattori A et al. Parathyroid hormone 1 (1-34) acts on the scales and involves calcium metabolism in goldfish. Bone. 2011 May 1;48(5):1186-1193. https://doi.org/10.1016/j.bone.2011.02.004
Suzuki, Nobuo ; Danks, Janine A. ; Maruyama, Yusuke ; Ikegame, Mika ; Sasayama, Yuichi ; Hattori, Atsuhiko ; Nakamura, Masahisa ; Tabata, Makoto J. ; Yamamoto, Toshio ; Furuya, Ryo ; Saijoh, Kiyofumi ; Mishima, Hiroyuki ; Srivastav, Ajai K. ; Furusawa, Yukihiro ; Kondo, Takashi ; Tabuchi, Yoshiaki ; Takasaki, Ichiro ; Chowdhury, Vishwajit S. ; Hayakawa, Kazuichi ; Martin, T. John. / Parathyroid hormone 1 (1-34) acts on the scales and involves calcium metabolism in goldfish. In: Bone. 2011 ; Vol. 48, No. 5. pp. 1186-1193.
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