Apoptotic cell death in the porcine endometrium during the oestrous cycle
Wasowska, Barbara | Ludkiewicz, Beata | Stefanczyk-Krzymowska, Stanislawa | Grzegorzewski, W. | Skipor, Janina
It has been reported that apoptosis plays an essential role in controlling the physiological cell kinetics in the human and rodent endometrium but this tipe of death has never been studied in the porcine endometrium. The aim of these study was to investigate the apoptotic cell death in the porcine endometrium during the middle (Days 9-11) and late (Day 13) luteal phase, during the luteolysis (Day 15) and early follicular phase (Days 17-19)of the oestrous cycle. Apoptotic cells were indentified by in situ DNA 3'-end labelling method. It was revealed that the found on Days 17-19 and on Day 15 of the oestrous cycle, respectively. In the stroma, the greatest number of these cells was found on Days 9-11. Our data have shown that in the porcine endometrium, both epithelial and stromal cells undergo apoptosis and that the number of apoptotic cells varies depending on the phase of the oestrous cycle.
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