Expression of heme oxygenase-1 in rat ontogeny

Takaoki Watanabe, Go Hasegawa, Takashi Yamamoto, Katsuyoshi Hatakeyama, Makoto Suematsu, Makoto Naito

研究成果: Article

12 引用 (Scopus)

抄録

Heme oxygenase (HO), the heme-degrading enzyme, plays an important role in heme catabolism. Among three isozymes, HO-1 is an inducible form expressed mainly in macrophages. In rat ontogeny, HO-1 immunoreactivity was detected in mononuclear cells in the yolk sac at 10 days of gestation. HO-1-expressing cells were then detected in the fetal liver and their numbers increased during the gestational period. The numbers of HO-1-positive cells and HO-1 mRNA levels in the liver peaked at 18 days of gestation. Most of the macrophages expressed both HO-1 and a macrophage scavenger receptor. Macrophages in the fetal liver showed marked hemophagocytosis. Macrophages in the lung, spleen, bone marrow, and other tissues also expressed HO-1. HO-1 immunoreactivity was also observed in syncytial cells of the chorionic villi, the endodermal layer of the yolk sac, and renal tubules of the fetus. Intestinal mucosal epithelial cells expressed HO-1 after birth. These findings imply that HO-1 is crucial for macrophages in heme catabolism from an early stage of ontogeny. HO-1 expression in non-macrophagic cells may be required for other purposes such as protection from oxidative stress and various stimuli.

元の言語English
ページ(範囲)155-162
ページ数8
ジャーナルArchives of Histology and Cytology
66
発行部数2
DOI
出版物ステータスPublished - 2003 5

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Heme Oxygenase-1
Macrophages
Heme
Yolk Sac
Liver
Chorionic Villi
Heme Oxygenase (Decyclizing)
Scavenger Receptors
Pregnancy
Isoenzymes
Oxidative Stress
Fetus
Spleen
Bone Marrow
Epithelial Cells
Parturition

ASJC Scopus subject areas

  • Anatomy
  • Histology

これを引用

Watanabe, T., Hasegawa, G., Yamamoto, T., Hatakeyama, K., Suematsu, M., & Naito, M. (2003). Expression of heme oxygenase-1 in rat ontogeny. Archives of Histology and Cytology, 66(2), 155-162. https://doi.org/10.1679/aohc.66.155

Expression of heme oxygenase-1 in rat ontogeny. / Watanabe, Takaoki; Hasegawa, Go; Yamamoto, Takashi; Hatakeyama, Katsuyoshi; Suematsu, Makoto; Naito, Makoto.

:: Archives of Histology and Cytology, 巻 66, 番号 2, 05.2003, p. 155-162.

研究成果: Article

Watanabe, T, Hasegawa, G, Yamamoto, T, Hatakeyama, K, Suematsu, M & Naito, M 2003, 'Expression of heme oxygenase-1 in rat ontogeny', Archives of Histology and Cytology, 巻. 66, 番号 2, pp. 155-162. https://doi.org/10.1679/aohc.66.155
Watanabe T, Hasegawa G, Yamamoto T, Hatakeyama K, Suematsu M, Naito M. Expression of heme oxygenase-1 in rat ontogeny. Archives of Histology and Cytology. 2003 5;66(2):155-162. https://doi.org/10.1679/aohc.66.155
Watanabe, Takaoki ; Hasegawa, Go ; Yamamoto, Takashi ; Hatakeyama, Katsuyoshi ; Suematsu, Makoto ; Naito, Makoto. / Expression of heme oxygenase-1 in rat ontogeny. :: Archives of Histology and Cytology. 2003 ; 巻 66, 番号 2. pp. 155-162.
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