Potential role of interleukin-1 at the peri-ovulation stage in a species of placental viviparous reptile, the three-toed skink, Chalcides chalcides (squamata: scincidae).

Autor: Romagnoli, Roberta, Cateni, Chiara, Guarino, Fabio M., Bigliardi, Elisa, Paulesu, Luana Ricci
Předmět:
Zdroj: Reproductive Biology & Endocrinology; 2003, Vol. 1, p1-6, 6p
Abstrakt: We recently showed that interleukin-1 (IL-1) is secreted by the placenta of a species of squamate reptile, the three-toed skink, Chalcides chalcides. In this study, we used immunohistochemical techniques to investigate the expression of IL-1 (in the two isoforms, IL-1α and IL-1β) and its specific membrane receptor IL-1 RtI in uterine oviduct during the peri-implantation period. We found that both IL-1 and its receptor were expressed in uterine tissues before and after ovulation (in the pre-ovulatory stage, even before the yolk had formed in the ovary). However, while IL-1α was mostly localized in the uterine mesenchyme tissue, IL-1β and IL-1RtI were present in the uterine epithelium. Our data provide a further comparison between the reproduction of mammals and squamate reptiles. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index