Intracameral and Lenticular Penetration of Locally Applied Deuterium-Labeled Vitamin E in Rats.

Abstract:

:Purpose: To confirm the intraocular dynamics of 1% deuterium (D) labeled alpha-tocopheral acetate (VEA) solution.Methods: The concentrations of D(3)-VEA and D(3)-alpha-tocopherol (VE) derived from D(3)-VEA in the aqueous humor and lens were measured after instilling 1% D(3)-VEA continuously into the cul-de-sac of rat eyes for one and three weeks. D(3)-VEA and D(3)-VE concentrations were determined by gas chromatograph/mass spectrometry.Results: D(3)-VEA and D(3)-VE concentrations in the aqueous humor after one and three weeks of continuous administration were 93.1 and 498.9, and 9.4 and 21.5 ng/mL, respectively. The concentrations in the lens were 15.0 and 6.1, and 9.8 and 4.8 ng/g, respectively.Conclusion: The penetration of VEA into the aqueous humor and lens by eyedrop application was confirmed.

journal_name

Jpn J Ophthalmol

authors

Nagata M,Kawazu K,Midori Y,Kojima M,Shirasawa E,Sasaki K

doi

10.1016/s0021-5155(00)00315-4

keywords:

subject

Has Abstract

pub_date

2001-01-01 00:00:00

pages

114

issue

1

eissn

0021-5155

issn

1613-2246

pii

S0021-5155(00)00315-4

journal_volume

45

pub_type

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