Elevated adrenomedullin in the vitreous of patients with diabetic retinopathy

Shinji Ito, Kimihiko Fujisawa, Taiji Sakamoto, Tatsuro Ishibashi

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Adrenomedullin (AM) is a multifunctional peptide with various physiological actions, including vasodilatation, a defense mechanism against microorganisms, the regulation of growth and the regulation of insulin and glucose. In this study, we measured the vitreous AM levels in patients with diabetes mellitus to determine its potential involvement in the pathogenesis of diabetic retinopathy (DR). We used an immunoradiometric assay to measure the vitreous AM concentrations in a total of 28 eyes: 13 with DR and 15 with macular holes (15 men and 13 women, 62.9 ± 10.4 years old). The AM levels in the vitreous fluid of patients with DR (22.9 ± 7.9 fmol/ml) were found to be significantly higher than the corresponding AM levels in patients with macular holes (4.7 ± 1.1 fmol/ml) (p < 0.05). These results indicate that the increase in the vitreous AM is related to DR.

Original languageEnglish
Pages (from-to)53-57
Number of pages5
JournalOphthalmologica
Volume217
Issue number1
DOIs
Publication statusPublished - Feb 13 2003

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Adrenomedullin
Diabetic Retinopathy
Retinal Perforations
Immunoradiometric Assay
Vasodilation
Diabetes Mellitus
Insulin
Glucose
Peptides
Growth

All Science Journal Classification (ASJC) codes

  • Ophthalmology
  • Sensory Systems

Cite this

Elevated adrenomedullin in the vitreous of patients with diabetic retinopathy. / Ito, Shinji; Fujisawa, Kimihiko; Sakamoto, Taiji; Ishibashi, Tatsuro.

In: Ophthalmologica, Vol. 217, No. 1, 13.02.2003, p. 53-57.

Research output: Contribution to journalArticle

Ito, Shinji ; Fujisawa, Kimihiko ; Sakamoto, Taiji ; Ishibashi, Tatsuro. / Elevated adrenomedullin in the vitreous of patients with diabetic retinopathy. In: Ophthalmologica. 2003 ; Vol. 217, No. 1. pp. 53-57.
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