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Hydronephrosis with ureteritis developed in C57BL/6N mice carrying the congenic region derived from MRL/MpJ-type chromosome 11

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Title: Hydronephrosis with ureteritis developed in C57BL/6N mice carrying the congenic region derived from MRL/MpJ-type chromosome 11
Authors: Ichii, Osamu Browse this author →KAKEN DB
Chihara, Masataka Browse this author
Lee, Shin-Hyo Browse this author
Nakamura, Teppei Browse this author
Otsuka-Kanazawa, Saori Browse this author →KAKEN DB
Horino, Taro Browse this author
Elewa, Yaser Hosny Ali Browse this author →ORCID
Kon, Yasuhiro Browse this author →KAKEN DB
Keywords: Ureteritis
congenic mice
Issue Date: Mar-2017
Publisher: Taylor & Francis
Journal Title: Autoimmunity
Volume: 50
Issue: 2
Start Page: 114
End Page: 124
Publisher DOI: 10.1080/08916934.2016.1261831
PMID: 28010137
Abstract: Inbred MRL/MpJ mice show several unique phenotypes in tissue regeneration processes and the urogenital and immune systems. Clarifying the genetic and molecular bases of these phenotypes requires the analysis of their genetic susceptibility locus. Herein, hydronephrosis development was incidentally observed in MRL/MpJ-derived chromosome 11 (D11Mit21-212)-carrying C57BL/6N-based congenic mice, which developed bilateral or unilateral hydronephrosis in both males and females with 23.5% and 12.5% prevalence, respectively. Histopathologically, papillary malformations of the transitional epithelium in the pelvic-ureteric junction seemed to constrict the ureter luminal entrance. Characteristically, eosinophilic crystals were observed in the lumen of diseased ureters. These ureters were surrounded by infiltrating cells mainly composed of numerous CD3(+)T-cells and B220(+)B-cells. Furthermore, several Iba-1(+)macrophages, Gr-1(+)granulocytes, mast cells and chitinase 3-like 3/Ym1 (an important inflammatory lectin)-positive cells were detected. Eosinophils also accumulated to these lesions in diseased ureters. Some B6.MRL-(D11Mit21-D11Mit212) mice had duplicated ureters. We determined>100 single nucleotide variants between C57BL/6N- and MRL/MpJ-type chromosome 11 congenic regions, which were associated with nonsynonymous substitution, frameshift or stopgain of coding proteins. In conclusion, B6.MRL-(D11Mit21-D11Mit212) mice spontaneously developed hydronephrosis due to obstructive uropathy with inflammation. Thus, this mouse line would be useful for molecular pathological analysis of obstructive uropathy in experimental medicine.
Rights: This is an Accepted Manuscript of an article published by Taylor & Francis in Autoimmunity on March 2017, available online:
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: 市居 修

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