C-type natriuretic peptide as an autocrine/paracrine regulator of osteoblast

Evidence for possible presence of bone natriuretic peptide system

Michio Suda, Kiyoshi Tanaka, Mitsuo Fukushima, Koshi Natsui, Akihiro Yasoda, Yasato Komatsu, Yoshihiro Ogawa, Hiroshi Itoh, Kazuwa Nakao

Research output: Contribution to journalArticle

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Abstract

C-type natriuretic peptide (CNP) is a local regulator in the brain and vascular wall. We present data to demonstrate the production and action of CNP in the osteoblast. CNP increased cGMP production, far more potently than atrial natriuretic peptide (ANP) in an osteoblastic cell line, MC3T3-E1. Since ANP and CNP are the ligands for two particulate guanylate cyclases, guanylate cyclase-A (GC-A) and guanylate cyclase-B (GC-B), respectively, these results reveal the expression of GC-B in MC3T3-E1. In addition, CNP mRNA and CNP-like immunoreactivity were detected in cell extracts from MC3T3-E1 and its culture medium, respectively. Both CNP and 8-bromo cGMP dose-dependently decreased [3H]thymidine uptake, without affecting alkaline phosphatase activity. These results indicate that CNP is a novel autocrine/paracrine regulator of osteoblast and suggest the presence of "bone natriuretic peptide system."

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalBiochemical and Biophysical Research Communications
Volume223
Issue number1
DOIs
Publication statusPublished - 1996 Jun 5
Externally publishedYes

Fingerprint

C-Type Natriuretic Peptide
Natriuretic Peptides
Osteoblasts
Bone
Bone and Bones
Guanylate Cyclase
Atrial Natriuretic Factor
Cell Extracts
Thymidine
Alkaline Phosphatase
Blood Vessels
Culture Media
Brain
Cells
Ligands
Cell Line
Messenger RNA

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

C-type natriuretic peptide as an autocrine/paracrine regulator of osteoblast : Evidence for possible presence of bone natriuretic peptide system. / Suda, Michio; Tanaka, Kiyoshi; Fukushima, Mitsuo; Natsui, Koshi; Yasoda, Akihiro; Komatsu, Yasato; Ogawa, Yoshihiro; Itoh, Hiroshi; Nakao, Kazuwa.

In: Biochemical and Biophysical Research Communications, Vol. 223, No. 1, 05.06.1996, p. 1-6.

Research output: Contribution to journalArticle

Suda, Michio ; Tanaka, Kiyoshi ; Fukushima, Mitsuo ; Natsui, Koshi ; Yasoda, Akihiro ; Komatsu, Yasato ; Ogawa, Yoshihiro ; Itoh, Hiroshi ; Nakao, Kazuwa. / C-type natriuretic peptide as an autocrine/paracrine regulator of osteoblast : Evidence for possible presence of bone natriuretic peptide system. In: Biochemical and Biophysical Research Communications. 1996 ; Vol. 223, No. 1. pp. 1-6.
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