Inner ear organoids

Recapitulating inner ear development in 3D culture

Alhasan N. Elghouche, Rick Nelson, Eri Hashino

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The inner ear contains sensory epithelia composed of mechanosensitive hair cells, supporting cells, and sensory neurons that work in concert to detect sound and positional information and transmit those signals to the brain. Within the backdrop of embryogenesis, inner ear development follows an intricate pathway of signaling cues and morphological changes, leading to its complex final three-dimensional (3D) structure. Application of various small molecules and recombinant proteins to mouse embryonic stem cells at specific time points in vitro has enabled recapitulation of developmental cues with subsequent formation of inner ear organoids. This has resulted in a model system of inner ear development that is easily derived, manipulated, and analyzed. These organoids contain functional mechanosensitive hair cells, supporting cells, and sensory neurons, which phenocopy functional components of the inner ear responsible for detection of positional information. The potential applications of this system include investigation of inner ear development, disease modeling, drug screening, and therapy development. This chapter highlights the process of in vivo inner ear development, the rationale and process behind inner ear organoid formation, and potential applications and limitations of this in vitro model system.

Original languageEnglish (US)
Title of host publicationOrgan Regeneration Based on Developmental Biology
PublisherSpringer Singapore
Pages57-72
Number of pages16
ISBN (Electronic)9789811037689
ISBN (Print)9789811037665
DOIs
StatePublished - Jan 1 2017

Fingerprint

Organoids
Inner Ear
Neurons
Cells
Stem cells
Recombinant Proteins
Sensory Receptor Cells
Brain
Screening
Cues
Acoustic waves
Labyrinth Diseases
Molecules
Preclinical Drug Evaluations
Pharmaceutical Preparations
Embryonic Development
Epithelium
Drug Therapy

Keywords

  • 3D culture
  • Balance
  • Embryonic development
  • Hearing
  • Inner ear
  • Organogenesis
  • Stem cells

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Elghouche, A. N., Nelson, R., & Hashino, E. (2017). Inner ear organoids: Recapitulating inner ear development in 3D culture. In Organ Regeneration Based on Developmental Biology (pp. 57-72). Springer Singapore. https://doi.org/10.1007/978-981-10-3768-9_4

Inner ear organoids : Recapitulating inner ear development in 3D culture. / Elghouche, Alhasan N.; Nelson, Rick; Hashino, Eri.

Organ Regeneration Based on Developmental Biology. Springer Singapore, 2017. p. 57-72.

Research output: Chapter in Book/Report/Conference proceedingChapter

Elghouche, AN, Nelson, R & Hashino, E 2017, Inner ear organoids: Recapitulating inner ear development in 3D culture. in Organ Regeneration Based on Developmental Biology. Springer Singapore, pp. 57-72. https://doi.org/10.1007/978-981-10-3768-9_4
Elghouche AN, Nelson R, Hashino E. Inner ear organoids: Recapitulating inner ear development in 3D culture. In Organ Regeneration Based on Developmental Biology. Springer Singapore. 2017. p. 57-72 https://doi.org/10.1007/978-981-10-3768-9_4
Elghouche, Alhasan N. ; Nelson, Rick ; Hashino, Eri. / Inner ear organoids : Recapitulating inner ear development in 3D culture. Organ Regeneration Based on Developmental Biology. Springer Singapore, 2017. pp. 57-72
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