Pseudoexfoliation syndrome and trace elements.

Abstract:

:To investigate the role of zinc and copper in the development of pseudoexfoliation (PSX) syndrome, 34 cataract patients with PSX syndrome and 27 cataract patients without PSX syndrome were included in the study and groups were matched for age and gender. During the cataract surgery, lenses were obtained intraoperatively, frozen under liquid nitrogen, and kept at -70 degrees C until processing. Zinc and copper concentrations were measured by atomic absorption spectrophotometric method after the homogenization (acid hydrolysis) of dried lenses. The mean concentration of zinc in the lens from patients with PSX (20.33 +/- 8.76 microg/g tissue; range 11.04-42.94 microg/g tissue) was significantly lower than that measured in the lens of patients without PSX (28.88 +/- 15.32 microg/g tissue; range 12.02-64.32 microg/g tissue) (P < 0.05). The mean concentration of copper in the lens from patients with PSX (29.51 +/- 10.05 microg/g tissue; range 12.69-59.71 microg/g tissue) and in the lens of patients without PSX (39.72 +/- 25.64 microg/g tissue; range 12.38-92.14 microg/g tissue) was not statistically different. The decreased content of zinc could increase oxidative stress. The results support the role of oxidative stress in the development of PSX in cataract patients.

journal_name

Ann N Y Acad Sci

authors

Yildirim Z,Uçgun NI,Kiliç N,Gürsel E,Sepici-Dinçel A

doi

10.1196/annals.1395.020

subject

Has Abstract

pub_date

2007-04-01 00:00:00

pages

207-12

eissn

0077-8923

issn

1749-6632

pii

1100/1/207

journal_volume

1100

pub_type

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