Abstract:
:The immune system is known to affect reproductive function, and maternal-fetal immune tolerance is essential for a successful pregnancy. To investigate the relationship between autoimmune disease and female reproductive function, we performed a comparative analysis of the ovarian phenotypes for C57BL/6 mice, autoimmune disease-prone MRL/MpJ (MRL/+) mice and congenic MRL/MpJ-Fas(lpr) (MRL/lpr) mice harboring a mutation in the Fas gene that speeds disease onset. Both MRL-background strains showed earlier vaginal opening than C57BL/6 mice. The estrous cycle became irregular by 6 and 12 months of age in MRL/lpr mice and mice of the other two strains, respectively. Histological analysis at 3 months revealed that the number of primordial follicles was smaller in MRL-background mice than in C57BL/6 mice after 3 months. In addition, MRL/lpr and MRL/+ mice displayed lower numbers of ovarian follicles and corpora lutea at 3 and 6 months, and 6 and 12 months, respectively, than that in age-matched C57BL/6 mice. MRL/lpr and MRL/+ mice developed ovarian interstitial glands after 3 and 6 months, respectively. In particular, MRL/lpr mice showed numerous infiltrating lymphocytes within the ovarian interstitia, and partially stratified ovarian surface epithelia with more developed microvilli than that observed in C57BL/6 mice at 6 months. No significant differences in serum hormone levels were observed between the strains. In conclusion, MRL/lpr mice display altered ovarian development, morphology and function consistent with the progression of severe autoimmune disease, as these findings are less severe in MRL/+ counterparts.
journal_name
Autoimmunityjournal_title
Autoimmunityauthors
Otani Y,Ichii O,Otsuka-Kanazawa S,Chihara M,Nakamura T,Kon Ydoi
10.3109/08916934.2015.1031889subject
Has Abstractpub_date
2015-01-01 00:00:00pages
402-11issue
6eissn
0891-6934issn
1607-842Xjournal_volume
48pub_type
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