Pituitary and plasma arginine vasotocin levels in the lamprey, Lampetra japonica

Minoru Uchiyama; Noboru Saito; Kiyoshi Shimada; Toshiki Murakami

doi:10.1016/0300-9629(94)90267-4

Pituitary and plasma arginine vasotocin levels in the lamprey, Lampetra japonica

Minoru Uchiyama, Noboru Saito, Kiyoshi Shimada, Toshiki Murakami

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Pituitary and plasma arginine vasotocin (AVT) concentrations were examined in correlation with plasma mineral concentrations in the lamprey acclimated to freshwater (FW) and diluted seawater (SW). There were significant differences in plasma osmolality and plasma concentrations of sodium, chloride, calcium and magnesium between lampreys acclimated to FW and those acclimated to diluted SW. Although the plasma AVT concentration in the FW group was not significantly different from that in the diluted SW group, the pituitary AVT content in the FW group was significantly higher than that in the SW group. These results seem to show that synthesis of AVT is increased in FW lampreys.

Original language	English
Pages (from-to)	23-26
Number of pages	4
Journal	Comparative Biochemistry and Physiology -- Part A: Physiology
Volume	107
Issue number	1
DOIs	https://doi.org/10.1016/0300-9629(94)90267-4
Publication status	Published - Jan 1994
Externally published	Yes

Keywords

Arginine vasotocin
Lampetra japonica

ASJC Scopus subject areas

Physiology

Access to Document

10.1016/0300-9629(94)90267-4

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Cite this

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title = "Pituitary and plasma arginine vasotocin levels in the lamprey, Lampetra japonica",

abstract = "Pituitary and plasma arginine vasotocin (AVT) concentrations were examined in correlation with plasma mineral concentrations in the lamprey acclimated to freshwater (FW) and diluted seawater (SW). There were significant differences in plasma osmolality and plasma concentrations of sodium, chloride, calcium and magnesium between lampreys acclimated to FW and those acclimated to diluted SW. Although the plasma AVT concentration in the FW group was not significantly different from that in the diluted SW group, the pituitary AVT content in the FW group was significantly higher than that in the SW group. These results seem to show that synthesis of AVT is increased in FW lampreys.",

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T1 - Pituitary and plasma arginine vasotocin levels in the lamprey, Lampetra japonica

AU - Uchiyama, Minoru

AU - Saito, Noboru

AU - Shimada, Kiyoshi

AU - Murakami, Toshiki

PY - 1994/1

Y1 - 1994/1

N2 - Pituitary and plasma arginine vasotocin (AVT) concentrations were examined in correlation with plasma mineral concentrations in the lamprey acclimated to freshwater (FW) and diluted seawater (SW). There were significant differences in plasma osmolality and plasma concentrations of sodium, chloride, calcium and magnesium between lampreys acclimated to FW and those acclimated to diluted SW. Although the plasma AVT concentration in the FW group was not significantly different from that in the diluted SW group, the pituitary AVT content in the FW group was significantly higher than that in the SW group. These results seem to show that synthesis of AVT is increased in FW lampreys.

AB - Pituitary and plasma arginine vasotocin (AVT) concentrations were examined in correlation with plasma mineral concentrations in the lamprey acclimated to freshwater (FW) and diluted seawater (SW). There were significant differences in plasma osmolality and plasma concentrations of sodium, chloride, calcium and magnesium between lampreys acclimated to FW and those acclimated to diluted SW. Although the plasma AVT concentration in the FW group was not significantly different from that in the diluted SW group, the pituitary AVT content in the FW group was significantly higher than that in the SW group. These results seem to show that synthesis of AVT is increased in FW lampreys.

KW - Arginine vasotocin

KW - Lampetra japonica

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