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[Pendred's syndrome. Current features].

J L Wémeau1, V Vlaeminck-Guillem, F Dubrulle

  • 1Clinique Endocrinologique Marc Linquette, USN A, Hôpital Claude Huriez. jl-wemeau@chru-lille.fr

Presse Medicale (Paris, France : 1983)
|January 5, 2002
PubMed
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Pendred's syndrome, a genetic disorder, causes hearing loss and thyroid issues due to defects in the PDS gene, affecting anion transport. This impacts both the cochlear apparatus and thyroid function.

Area of Science:

  • Genetics
  • Endocrinology
  • Otolaryngology

Background:

  • Pendred's syndrome is an autosomal recessive disorder.
  • It is a common cause of congenital hearing loss (4-10%).
  • Characterized by hearing impairment, goiter, and iodide transport defects.

Purpose of the Study:

  • To elucidate the genetic basis of Pendred's syndrome.
  • To understand the role of the PDS gene and pendrin protein.
  • To clarify the link between thyroid and cochlear damage.

Main Methods:

  • Molecular biology techniques were used.
  • Analysis of the PDS gene on chromosome 7.
  • Investigated pendrin protein's function in anion transport.

Related Experiment Videos

Main Results:

  • Pendred's syndrome is linked to mutations in the PDS gene.
  • The PDS gene encodes pendrin, an anion transporter.
  • Pendrin is crucial for thyrocytes and endolymph production in the cochlea.

Conclusions:

  • Genetic alterations in the PDS gene cause Pendred's syndrome.
  • Truncated pendrin leads to morpho-functional defects in the cochlea and thyroid.
  • Pendred's syndrome is a disorder of anion transport.