期刊
SYSTEMS BIOLOGY IN REPRODUCTIVE MEDICINE
卷 59, 期 6, 页码 352-359出版社
TAYLOR & FRANCIS INC
DOI: 10.3109/19396368.2013.829536
关键词
apoptosis; DCFH-DA; DHR123; protamine; ROS; sperm
资金
- Royan Institute
The aim of this study was to determine if there are any associations between impaired chromatin packaging and the origin of reactive oxygen species (ROS) production. Cytosolic ROS, mitochondrial ROS, DNA protamination, and apoptosis were evaluated with dichlorofluoresceindiacetate (DCFH-DA), dihydrorhodamine 123 (DHR123), chromomycin A3 (CMA3), and YO-Pro-1 (Y1)/propidium iodide (PI), respectively, by flow cytometry (FCM) in 40 infertile individuals. Percentages DCF+ and R123+ sperm were positively associated with percentage CMA3+ sperm and negatively associated with percentage apoptotic sperm. No correlation was observed between CMA3+ sperm and the percentage of apoptotic sperm. Under protamination of sperm is not associated with the origin of ROS production, but their relationship may suggest an association with general physiological dysfunction of sperm. Furthermore, under protamination does make sperm prone to apoptosis. Rather, it is likely that apoptosis is induced by ROS production. Considering that these conclusions are derived from correlative analyses, additional studies including an interventive approach are required.
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