Engraftment of Human Pluripotent Stem Cell-derived Progenitors in the Inner Ear of Prenatal Mice

Hiroki Takeda, Makoto Hosoya, Masato Fujioka, Chika Saegusa, Tsubasa Saeki, Toru Miwa, Hideyuki Okano, Ryosei Minoda

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

There is, at present, no curative treatment for genetic hearing loss. We have previously reported that transuterine gene transfer of wild type CONNEXIN30 (CX30) genes into otocysts in CX30-deleted mice could restore hearing. Cell transplantation therapy might be another therapeutic option, although it is still unknown whether stem cell-derived progenitor cells could migrate into mouse otocysts. Here, we show successful cell transplantation of progenitors of outer sulcus cell-like cells derived from human-derived induced pluripotent stem cells into mouse otocysts on embryonic day 11.5. The delivered cells engrafted more frequently in the non-sensory region in the inner ear of CX30-deleted mice than in wild type mice and survived for up to 1 week after transplantation. Some of the engrafted cells expressed CX30 proteins in the non-sensory region. This is the first report that demonstrates successful engraftment of exogenous cells in prenatal developing otocysts in mice. Future studies using this mouse otocystic injection model in vivo will provide further clues for developing treatment modalities for congenital hearing loss in humans.

Original languageEnglish
Article number1941
JournalScientific Reports
Volume8
Issue number1
DOIs
Publication statusPublished - 2018 Dec 1

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Pluripotent Stem Cells
Inner Ear
Cell Transplantation
Hearing Loss
Stem Cells
Induced Pluripotent Stem Cells
Cell- and Tissue-Based Therapy
Hearing
Genes
Therapeutics
Transplantation
Injections

ASJC Scopus subject areas

  • General

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Engraftment of Human Pluripotent Stem Cell-derived Progenitors in the Inner Ear of Prenatal Mice. / Takeda, Hiroki; Hosoya, Makoto; Fujioka, Masato; Saegusa, Chika; Saeki, Tsubasa; Miwa, Toru; Okano, Hideyuki; Minoda, Ryosei.

In: Scientific Reports, Vol. 8, No. 1, 1941, 01.12.2018.

Research output: Contribution to journalArticle

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