Rat brain natriuretic peptide — tissue distribution and molecular form —

Yoshihiro Ogawa, Kazuwa Nakao, Masashi Mukoyama, Gotaro Shirakami, Hiroshi Itoh, Kiminori Hosoda, Yoshihiko Saito, Hiroshi Arai, Shin Ichi Suga, Michihisa Jougasaki, Takayuki Yamada, Yoshikazu Kambayashi, Ken Inouye, Hiroo Imura

Research output: Contribution to journalArticle

112 Citations (Scopus)

Abstract

Using an antiserum against the ring structure of rat brain natriuretic peptide (rat BNP), we have established a specific radioimmunoassay (RIA) for rat BNP and elucidated its tissue distribution and molecular form. Rat BNP-like immunoreactivity (-LI) was detected in the highest amount in cardiac extracts (574.0 ± 138.8 pmol/g in the atrium and 4.3 ± 1.1 pmol/g in the ventricle). The secretory rate of rat BNP-LI from the perfused whole heart was.50.0 ± 1.9 fmol/min, about 60% of which was maintained even after atrial removal. We also detected rat BNP-LI throughout the spinal cord (134-175 fmol/g), although no detectable amount was present (less than 100 fmol/g) in other tissues including the brain. High performance-gel permeation chromatography and reverse phase-high performance liquid chromatography coupled with the RIA revealed that rat BNP with 45 amino acids is a major storage form as well as a secretory form of rat BNP-LI in the heart. The major component in the spinal cord was also rat BNP. These findings indicate that the tissue distribution and the processing pattern of rat BNP are different from those of atrial natriuretic peptide and porcine BNP, thereby suggesting the presence of complicated diversity of the natriuretic peptide system.

Original languageEnglish
Pages (from-to)2225-2227
Number of pages3
JournalEndocrinology
Volume126
Issue number4
DOIs
Publication statusPublished - Apr 1990
Externally publishedYes

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Tissue Distribution
Radioimmunoassay
Spinal Cord
Secretory Rate
Natriuretic Peptides
rat natriuretic peptide precursor type B
Atrial Natriuretic Factor
Gel Chromatography
Immune Sera
Swine
High Pressure Liquid Chromatography
Amino Acids
Brain

All Science Journal Classification (ASJC) codes

  • Endocrinology

Cite this

Ogawa, Y., Nakao, K., Mukoyama, M., Shirakami, G., Itoh, H., Hosoda, K., ... Imura, H. (1990). Rat brain natriuretic peptide — tissue distribution and molecular form —. Endocrinology, 126(4), 2225-2227. https://doi.org/10.1210/endo-126-4-2225

Rat brain natriuretic peptide — tissue distribution and molecular form —. / Ogawa, Yoshihiro; Nakao, Kazuwa; Mukoyama, Masashi; Shirakami, Gotaro; Itoh, Hiroshi; Hosoda, Kiminori; Saito, Yoshihiko; Arai, Hiroshi; Suga, Shin Ichi; Jougasaki, Michihisa; Yamada, Takayuki; Kambayashi, Yoshikazu; Inouye, Ken; Imura, Hiroo.

In: Endocrinology, Vol. 126, No. 4, 04.1990, p. 2225-2227.

Research output: Contribution to journalArticle

Ogawa, Y, Nakao, K, Mukoyama, M, Shirakami, G, Itoh, H, Hosoda, K, Saito, Y, Arai, H, Suga, SI, Jougasaki, M, Yamada, T, Kambayashi, Y, Inouye, K & Imura, H 1990, 'Rat brain natriuretic peptide — tissue distribution and molecular form —', Endocrinology, vol. 126, no. 4, pp. 2225-2227. https://doi.org/10.1210/endo-126-4-2225
Ogawa Y, Nakao K, Mukoyama M, Shirakami G, Itoh H, Hosoda K et al. Rat brain natriuretic peptide — tissue distribution and molecular form —. Endocrinology. 1990 Apr;126(4):2225-2227. https://doi.org/10.1210/endo-126-4-2225
Ogawa, Yoshihiro ; Nakao, Kazuwa ; Mukoyama, Masashi ; Shirakami, Gotaro ; Itoh, Hiroshi ; Hosoda, Kiminori ; Saito, Yoshihiko ; Arai, Hiroshi ; Suga, Shin Ichi ; Jougasaki, Michihisa ; Yamada, Takayuki ; Kambayashi, Yoshikazu ; Inouye, Ken ; Imura, Hiroo. / Rat brain natriuretic peptide — tissue distribution and molecular form —. In: Endocrinology. 1990 ; Vol. 126, No. 4. pp. 2225-2227.
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