Atrial natriuretic polypeptide in spinal cord and autonomic ganglia

Narito Morii, Kazuwa Nakao, Hiroshi Itoh, Shozo Shiono, Takayuki Yamada, Akira Sugawara, Yoshihiko Saito, Masashi Mukoyama, Hiroshi Arai, Makoto Sakamoto, Hiroo Imura

Research output: Contribution to journalArticle

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Abstract

Using a radioimmunoassay for α-rat atrial natriuretic polypeptide (α-rANP), tissue levels of α-rANP-like immunoreactivity (-LI) in the rat spinal cord and autonomic ganglia were investigated. The α-rANP-LI level was higher in the more caudal parts of the spinal cord and the highest in the sacral spinal cord. α-rANP-LI was also detected in the superior cervical and coeliac ganglia. Gel permeation chromatographic analysis showed that the major peak of α-rANP-LI in the spinal cord was a low molecular weight form co-eluted with synthetic α-rANP. Reverse-phase high performance liquid chromatographic analysis revealed that α-rANP-LI with a low molecular weight in the spinal cord consisted of several components, two major components of which co-migrated with synthetic α-rANP(4-28) and α-rANP(5-28), whereas little immunoreactivity was eluted at the position of α-rANP. These findings suggest the involvement of ANP in the function of the spinal cord and autonomic nervous system.

Original languageEnglish
Pages (from-to)196-203
Number of pages8
JournalBiochemical and Biophysical Research Communications
Volume145
Issue number1
DOIs
Publication statusPublished - 1987 May 29
Externally publishedYes

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Autonomic Ganglia
Spinal Ganglia
Spinal Cord
Peptides
Rats
Molecular weight
Molecular Weight
High performance liquid chromatography
Gel permeation chromatography
Neurology
Superior Cervical Ganglion
Atrial Natriuretic Factor
Sympathetic Ganglia
Autonomic Nervous System
Reverse-Phase Chromatography
Radioimmunoassay
Gel Chromatography
Tissue
High Pressure Liquid Chromatography

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

Atrial natriuretic polypeptide in spinal cord and autonomic ganglia. / Morii, Narito; Nakao, Kazuwa; Itoh, Hiroshi; Shiono, Shozo; Yamada, Takayuki; Sugawara, Akira; Saito, Yoshihiko; Mukoyama, Masashi; Arai, Hiroshi; Sakamoto, Makoto; Imura, Hiroo.

In: Biochemical and Biophysical Research Communications, Vol. 145, No. 1, 29.05.1987, p. 196-203.

Research output: Contribution to journalArticle

Morii, N, Nakao, K, Itoh, H, Shiono, S, Yamada, T, Sugawara, A, Saito, Y, Mukoyama, M, Arai, H, Sakamoto, M & Imura, H 1987, 'Atrial natriuretic polypeptide in spinal cord and autonomic ganglia', Biochemical and Biophysical Research Communications, vol. 145, no. 1, pp. 196-203. https://doi.org/10.1016/0006-291X(87)91306-4
Morii, Narito ; Nakao, Kazuwa ; Itoh, Hiroshi ; Shiono, Shozo ; Yamada, Takayuki ; Sugawara, Akira ; Saito, Yoshihiko ; Mukoyama, Masashi ; Arai, Hiroshi ; Sakamoto, Makoto ; Imura, Hiroo. / Atrial natriuretic polypeptide in spinal cord and autonomic ganglia. In: Biochemical and Biophysical Research Communications. 1987 ; Vol. 145, No. 1. pp. 196-203.
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