کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
2197252 | 1550956 | 2009 | 7 صفحه PDF | دانلود رایگان |
Bacterial lipopolysaccharide increased the production of interleukin 1α and activin A, and reduced production of inhibin B, in Sertoli cells from immature male rats measured by enzyme-linked immunosorbent assay (ELISA). The majority of immunoreactive interleukin 1α remained within the Sertoli cell, while both activin A and inhibin B were secreted. Lipopolysaccharide-stimulated expression of two interleukin 1α mRNA transcripts, measured by quantitative RT-PCR, but the levels of bioactive interleukin 1α in Sertoli cell extracts and medium, measured by in vitro bioassay, were comparatively low to undetectable. A specific antagonist of interleukin 1α had no effect on lipopolysaccharide-stimulated activin A or inhibin B responses. These data indicate that, in contrast to Sertoli cells from adult rats, lipopolysaccharide-induced regulation of activin A and inhibin B by prepubertal Sertoli cells does not involve secreted interleukin 1α. The data highlight the possibility of a role for intracellular interleukin 1α in the Sertoli cell response to inflammation, particularly in the immature testis.
Journal: Molecular and Cellular Endocrinology - Volume 307, Issues 1–2, 13 August 2009, Pages 169–175