Beneficial effects of systemically administered human muse cells in adriamycin nephropathy

Nao Uchida, Yoshihiro Kushida, Masaaki Kitada, Shohei Wakao, Naonori Kumagai, Yasumasa Kuroda, Yoshiaki Kondo, Yukari Hirohara, Shigeo Kure, Gregorio Chazenbalk, Mari Dezawa

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

Abstract

Multilineage-differentiating stress-enduring (Muse) cells are nontumorigenic endogenous pluripotent-like stem cells that can be collected from various organs. Intravenously administered Muse cells have been shown to spontaneously migrate to damaged tissue and replenish lost cells, but the effect in FSGS is unknown.We systemically administered human bonemarrow-derivedMuse cells without concurrent administration of immunosuppressants to severe combined immune-deficient (SCID) and BALB/c mouse models with adriamycin-induced FSGS (FSGSSCID and FSGS-BALB/c, respectively). In FSGS-SCID mice, human Muse cells preferentially integrated into the damaged glomeruli and spontaneously differentiated into cells expressing markers of podocytes (podocin; 31%), mesangial cells (megsin; 13%), and endothelial cells (CD31; 41%) without fusing to the host cells; attenuated glomerular sclerosis and interstitial fibrosis; and induced the recovery of creatinine clearance at 7 weeks. Human Muse cells induced similar effects in FSGS-BALB/c mice at 5 weeks, despite xenotransplant without concurrent immunosuppressant administration, and led to improvement in urine protein, creatinine clearance, and plasma creatinine levels more impressive than that in the FSGS-SCID mice at 5 weeks. However, functional recovery in FSGS-BALB/c mice was impaired at 7 weeks due to immunorejection, suggesting the importance of Muse cell survival asglomerular cells in theFSGSkidney for tissue repair andfunctional recovery. In conclusion,Musecells are unique reparative stem cells that preferentially home to damaged glomeruli and spontaneously differentiate into glomerular cells after systemic administration. Introductionofgenes toinducedifferentiation is not requiredbefore Muse cell administration; thus, Muse cells may be a feasible therapeutic strategy in FSGS.

Original languageEnglish
Pages (from-to)2946-2960
Number of pages15
JournalJournal of the American Society of Nephrology
Volume28
Issue number10
DOIs
Publication statusPublished - 2017 Oct

ASJC Scopus subject areas

  • Nephrology

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