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Expression of Indian hedgehog signaling in murine oviductal infundibulum and its relationship with epithelial homeostasis

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Title: Expression of Indian hedgehog signaling in murine oviductal infundibulum and its relationship with epithelial homeostasis
Authors: Hosotani, Marina Browse this author →KAKEN DB
Ichii, Osamu Browse this author →KAKEN DB
Namba, Takashi Browse this author
Masum, Md Abdul Browse this author
Nakamura, Teppei Browse this author →KAKEN DB
Hasegawa, Yasuhiro Browse this author
Watanabe, Takafumi Browse this author →KAKEN DB
Kon, Yasuhiro Browse this author →KAKEN DB
Keywords: Autoimmune abnormality
Ciliated epithelium
Hedgehog signaling pathway
Issue Date: 29-Dec-2022
Publisher: Springer
Journal Title: Cell and tissue research
Volume: 391
Start Page: 595
End Page: 609
Publisher DOI: 10.1007/s00441-022-03722-w
Abstract: Homeostasis of the oviductal infundibulum epithelium is continuously regulated by signaling pathways under physiological and pathological conditions. Herein, we investigated the expression of hedgehog (Hh) signaling-related components in the murine oviductal infundibulum, which is known to maintain homeostasis in the adult epithelium. Additionally, using autoimmune disease-prone MRL/MpJ-Fas(lpr/lpr) (MRL/lpr) mice showing abnormal morphofunction of the ciliated epithelium of the infundibulum related to the oviductal inflammation, we examined the relationship between Hh signaling and pathology of the infundibulum. The expression and localization of Pax8, a marker for progenitor cells in the oviductal epithelium, and Foxj1, a marker for ciliogenesis, were examined in the infundibulum. The results showed that Pax8 was downregulated and Foxj1 was upregulated with aging, suggesting that homeostasis of the infundibulum epithelium of MRL/lpr mice was disturbed at 6 months of age. In all mice, the motile cilia of ciliated epithelial cells in the infundibulum harbored Hh signaling pathway-related molecules: patched (Ptch), smoothened (Smo), and epithelial cells harbor Gli. In contrast, Ptch, Smo, and Gli2 were significantly downregulated in the infundibulum of MRL/lpr mice at 6 months of age. The expression levels of Pax8 and Foxj1 were significantly positively correlated with those of Ptch1, Smo, and Gli2. Hh signaling is thought to be involved in homeostasis of the ciliated epithelium in the infundibulum. In MRL/lpr mice, which show exacerbated severe systemic autoimmune abnormalities, molecular alterations in Hh signaling-related components are considered to interact with local inflammation in the infundibulum, leading to disturbances in epithelial homeostasis and reproductive function.
Rights: This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at:
Type: article (author version)
Appears in Collections:獣医学院・獣医学研究院 (Graduate School of Veterinary Medicine / Faculty of Veterinary Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 昆 泰寛

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