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J Vis Exp. 2014 Jul 20;(89). doi: 10.3791/51093.

Primary culture of human vestibular schwannomas.

Author information

1
Department of Otolaryngology-Head and Neck, University of Iowa Hospitals and Clinics.
2
Department of Otolaryngology-Head and Neck, University of Iowa Hospitals and Clinics; marlan-hansen@uiowa.edu.

Abstract

Vestibular schwannomas (VSs) represent Schwann cell (SC) tumors of the vestibular nerve, compromising 10% of all intracranial neoplasms. VSs occur in either sporadic or familial (neurofibromatosis type 2, NF2) forms, both associated with inactivating defects in the NF2 tumor suppressor gene. Treatment for VSs is generally surgical resection or radiosurgery, however the morbidity of such procedures has driven investigations into less invasive treatments. Historically, lack of access to fresh tissue specimens and the fact that schwannoma cells are not immortalized have significantly hampered the use of primary cultures for investigation of schwannoma tumorigenesis. To overcome the limited supply of primary cultures, the immortalized HEI193 VS cell line was generated by transduction with HPV E6 and E7 oncogenes. This oncogenic transduction introduced significant molecular and phenotypic alterations to the cells, which limit their use as a model for human schwannoma tumors. We therefore illustrate a simplified, reproducible protocol for culture of primary human VS cells. This easily mastered technique allows for molecular and cellular investigations that more accurately recapitulate the complexity of VS disease.

PMID:
25079666
PMCID:
PMC4220898
DOI:
10.3791/51093
[Indexed for MEDLINE]
Free PMC Article
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