The role of vascular endothelial growth factor and vascular stability in diseases of the ear

Nyall London, Richard K. Gurgel

Research output: Contribution to journalReview article

Abstract

Objectives/Hypothesis Vascular endothelial growth factor (VEGF) is a critical mediator of vascular permeability and angiogenesis and likely plays an important role in cochlear function and hearing. This review highlights the role of VEGF in hearing loss associated with vestibular schwannomas, otitis media with effusion, and sensorineural hearing loss. Study Design PubMed literature review. Methods A review of the literature was conducted to determine the role of VEGF in diseases affecting hearing. Results Therapeutic efficacy has been demonstrated for the anti-VEGF agent bevacizumab in vestibular schwannomas, with tumor size reduction and hearing improvement in patients with neurofibromatosis type 2. The loss of functional Merlin, the protein product of the nf2 gene, results in a decrease in expression of the anti-angiogenic protein SEMA3F through a Rac-1-dependent mechanism, allowing VEGF to promote angiogenesis. Bevacizumab may therefore restore the angiogenic balance through inhibiting the relative increase in VEGF. Many of the clinical findings of otitis media with effusion can be reproduced by delivery of recombinant VEGF through transtympanic injection or submucosal osmotic pump. VEGF receptor inhibitors have been demonstrated to improve hearing in an animal model of otitis media with effusion. VEGF affects both the inner ear damage and repair processes in sensorineural hearing loss. Conclusions VEGF has an important role in vestibular schwannomas, otitis media with effusion, and sensorineural hearing loss. Laryngoscope, 124:E340-E346, 2014

Original languageEnglish (US)
JournalLaryngoscope
Volume124
Issue number8
DOIs
StatePublished - Jan 1 2014
Externally publishedYes

Fingerprint

Ear Diseases
Vascular Endothelial Growth Factor A
Blood Vessels
Otitis Media with Effusion
Hearing
Acoustic Neuroma
Sensorineural Hearing Loss
Neurofibromatosis 2 Genes
Angiogenic Proteins
Neurofibromin 2
Neurofibromatosis 2
Laryngoscopes
Vascular Endothelial Growth Factor Receptor
Cochlea
Capillary Permeability
Inner Ear
Hearing Loss
PubMed
Animal Models
Injections

Keywords

  • hearing
  • otitis media
  • sensorineural hearing loss
  • VEGF
  • vestibular schwannoma

ASJC Scopus subject areas

  • Otorhinolaryngology

Cite this

The role of vascular endothelial growth factor and vascular stability in diseases of the ear. / London, Nyall; Gurgel, Richard K.

In: Laryngoscope, Vol. 124, No. 8, 01.01.2014.

Research output: Contribution to journalReview article

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