Changing Patterns of Cerium Reactivity in Developing Ovarian Oocytes of the Hamster
作者:
Brenda S. Weakley,
John L. James,
期刊:
Cells Tissues Organs
(Karger Available online 1985)
卷期:
Volume 124,
issue 1-2
页码: 8-15
ISSN:1422-6405
年代: 1985
DOI:10.1159/000146088
出版商: S. Karger AG
关键词: Mammalian oocyte;Meiosis;Oxidative enzymes;Mitochondria
数据来源: Karger
摘要:
In developing ovarian oocytes of 2-day-old, 12-day-old and adult hamsters, oxidative enzyme activity as demonstrated by the cerium technique is strongest at 12 days and occurs principally in those oocytes which have begun rapid growth. The reaction is associated with the outer mitochondrial membrane, nearby cytoplasm, endoplasmic reticulum and nuclear envelope. Once antrum formation has begun and the mitochondria have reached the dormant (storage) stage, cerium reactivity ceases. In adults, reaction occurs at the same stages of oocyte development but is weaker and limited to the mitochondria and their immediate vicinity.
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