Albumin-Like Protein is the Major Protein Constituent of Luminal Fluid in the Human Endolymphatic Sac
2011

Albumin-Like Protein in Human Endolymphatic Sac Fluid

Sample size: 11 publication 10 minutes Evidence: moderate

Author Information

Author(s): Kim Sung Huhn, Kim Un-Kyoung, Lee Won-Sang, Bok Jinwoong, Song Jung-Whan, Seong Je Kyung, Choi Jae Young

Primary Institution: Yonsei University College of Medicine

Hypothesis

The protein profile of the endolymphatic sac luminal fluid differs between patients with and without recent hearing deterioration.

Conclusion

The study found that albumin-like proteins are the major constituents of the endolymphatic sac fluid and their levels decrease in patients with recent hearing deterioration.

Supporting Evidence

  • The mean total protein concentration of the luminal fluid was 554.7±94.6 mg/dl.
  • Patients without recent hearing deterioration had a higher concentration of albumin-like proteins compared to those with recent hearing deterioration.
  • 58 out of 517 protein spots were analyzed, revealing significant differences in protein profiles.

Takeaway

This study looked at the fluid from a part of the inner ear and found that a type of protein called albumin-like proteins is important for hearing and balance, especially when people have hearing problems.

Methodology

The study used proteomic analysis to characterize the protein profile of the endolymphatic sac fluid from patients with enlarged vestibular aqueducts.

Limitations

The small volume of luminal fluid samples may lead to contamination and limit the analysis.

Participant Demographics

Patients with enlarged vestibular aqueducts, including those with and without recent hearing deterioration.

Statistical Information

P-Value

0.04

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021656

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