抄録
In the Golgi region of cultured rat atrial myocytes, condensed secretory protein was seen in Golgi-associated tubules or cisternae which lay beyond, and often separated from, the remainder of the Golgi stacks. These structures appeared to be involved in packaging of condensed secretory protein into atrial granules. Binding sites of HRP-conjugated wheat-germ agglutinin (WGA) in saponin-treated cultured atrial myocytes were examined by electron microscopy with special reference to atrial granules and the tubular structures associated with the Golgi stacks. HRP reaction products were observed in both trans-cisternae of the Golgi stacks and the associated tubular structures. While the majority of atrial granules were devoid of reaction products, some granules, which were connected to the WGA-positive tubular structures in the vicinity of the Golgi trans-cisternae, showed HRP reaction products at their connected necks. Similar results were obtained when sections of the cells embedded in Lowicryl K4M were labeled with WGA coupled to colloidal gold (G-WGA); the Golgi complex was G-WGA positive, whereas no specific binding of G-WGA to atrial granules was observed. These results suggest that glycoproteins and/or glycolipids with oligosaccharides recognized by WGA in the Golgi transcisternae, may be separated from atrial natriuretic peptides which are packaged into atrial granules.
| 元の言語 | 英語 |
|---|---|
| ページ（範囲） | 325-331 |
| ページ数 | 7 |
| ジャーナル | Cell and tissue research |
| 巻 | 257 |
| 発行部数 | 2 |
| DOI | |
| 出版物ステータス | 出版済み - 1 1 1989 |
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All Science Journal Classification (ASJC) codes
- Pathology and Forensic Medicine
- Histology
- Cell Biology
これを引用
Localization of wheat-germ agglutinin-binding sites in the Golgi complex of cultured rat atrial myocytes. / Iida, Hiroshi; Page, Ernest.
：: Cell and tissue research, 巻 257, 番号 2, 01.01.1989, p. 325-331.研究成果: ジャーナルへの寄稿 › 記事
}
TY - JOUR
T1 - Localization of wheat-germ agglutinin-binding sites in the Golgi complex of cultured rat atrial myocytes
AU - Iida, Hiroshi
AU - Page, Ernest
PY - 1989/1/1
Y1 - 1989/1/1
N2 - In the Golgi region of cultured rat atrial myocytes, condensed secretory protein was seen in Golgi-associated tubules or cisternae which lay beyond, and often separated from, the remainder of the Golgi stacks. These structures appeared to be involved in packaging of condensed secretory protein into atrial granules. Binding sites of HRP-conjugated wheat-germ agglutinin (WGA) in saponin-treated cultured atrial myocytes were examined by electron microscopy with special reference to atrial granules and the tubular structures associated with the Golgi stacks. HRP reaction products were observed in both trans-cisternae of the Golgi stacks and the associated tubular structures. While the majority of atrial granules were devoid of reaction products, some granules, which were connected to the WGA-positive tubular structures in the vicinity of the Golgi trans-cisternae, showed HRP reaction products at their connected necks. Similar results were obtained when sections of the cells embedded in Lowicryl K4M were labeled with WGA coupled to colloidal gold (G-WGA); the Golgi complex was G-WGA positive, whereas no specific binding of G-WGA to atrial granules was observed. These results suggest that glycoproteins and/or glycolipids with oligosaccharides recognized by WGA in the Golgi transcisternae, may be separated from atrial natriuretic peptides which are packaged into atrial granules.
AB - In the Golgi region of cultured rat atrial myocytes, condensed secretory protein was seen in Golgi-associated tubules or cisternae which lay beyond, and often separated from, the remainder of the Golgi stacks. These structures appeared to be involved in packaging of condensed secretory protein into atrial granules. Binding sites of HRP-conjugated wheat-germ agglutinin (WGA) in saponin-treated cultured atrial myocytes were examined by electron microscopy with special reference to atrial granules and the tubular structures associated with the Golgi stacks. HRP reaction products were observed in both trans-cisternae of the Golgi stacks and the associated tubular structures. While the majority of atrial granules were devoid of reaction products, some granules, which were connected to the WGA-positive tubular structures in the vicinity of the Golgi trans-cisternae, showed HRP reaction products at their connected necks. Similar results were obtained when sections of the cells embedded in Lowicryl K4M were labeled with WGA coupled to colloidal gold (G-WGA); the Golgi complex was G-WGA positive, whereas no specific binding of G-WGA to atrial granules was observed. These results suggest that glycoproteins and/or glycolipids with oligosaccharides recognized by WGA in the Golgi transcisternae, may be separated from atrial natriuretic peptides which are packaged into atrial granules.
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UR - http://www.scopus.com/inward/citedby.url?scp=0024364279&partnerID=8YFLogxK
U2 - 10.1007/BF00261836
DO - 10.1007/BF00261836
M3 - Article
C2 - 2528407
AN - SCOPUS:0024364279
VL - 257
SP - 325
EP - 331
JO - Cell and Tissue Research
JF - Cell and Tissue Research
SN - 0302-766X
IS - 2
ER -