Immunolocalization of estrogen receptor alpha in Neomysis japonica oocytes and follicle cells during ovarian development
文献类型: 外文期刊
第一作者: Yang, Xiaozhen
作者: Yang, Xiaozhen;Zhao, Liulan;Zhao, Zhanzhong;Hu, Bing;Wang, Chun;Yang, Zhigang;Cheng, Yongxu;Zhao, Zhanzhong
作者机构:
关键词: Estrogen receptor alpha;Oocytes;Follicle cells;Immunohistochemistry;Neomysis japonica
期刊名称:TISSUE & CELL ( 影响因子:2.466; 五年影响因子:2.235 )
ISSN: 0040-8166
年卷期: 2012 年 44 卷 2 期
页码:
收录情况: SCI
摘要: Estrogen induces oocytes development and vitellogenesis in crustacean by interacting with estrogen receptor (ER) subtypes. In the present study, we detect for the first time the ER alpha in oocytes and follicle cells and hepatopancreas cells of mysis by immunohistochemistry using a specific ER alpha antibody. ER alpha was mainly localized in the nuclei of oocytes and follicle cells, while mainly detected in nuclei of oogonia (OG), previtellogenic oocyte (PR) and endogenous vitellogenic oocyte (EN) at previtellogenic and early vitellogenic stage (I-early III). Follicle cells in all stages of ovary (all vitellogenic stages) showed strong ER alpha positive reaction, and they were able to gradually move to oocytes during the development of oocytes. In addition, ER alpha was also localized in the nuclei and cytoplasm of four hepatopancreas cells (including E-, R-, F- and B-cell) in all ovary stages. These findings suggest, for the first time to our knowledge, that there could be a close link between oogenesis, follicle cells, hepatopancreas cells and endocrine regulation, and estrogens might be involved in the regulation of oocytes at early ovarian stage in mysis. Crown Copyright (C) 2011 Published by Elsevier Ltd. All rights reserved.
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