Biomaterial Database

Cutaneous acetone depresses aqueous humor ascorbate in guinea pigs. 1985

R H Rengstorff, and H I Khafagy

The purpose of the present investigation was to determine the concentration of ascorbate in the aqueous humor of guinea pigs over a 1-year period following the cutaneous application of a potential cataractogenic agent, acetone. Forty young guinea pigs received 15 ml acetone in small doses on their backs over a 6-week period; the ascorbate in their aqueous humor did not increase above 10 mg/100 ml during a 1-year test period. Ten control animals received only saline on their backs and the ascorbate concentrations steadily increased from 12 to over 18 mg/100 ml during the same time period. Three months after acetone treatment 12 animals (30%) developed cataracts and their ascorbate levels dropped to below 9 mg/100 ml after 1 year.

UI	MeSH Term	Description	Entries
D002386	Cataract	Partial or complete opacity on or in the lens or capsule of one or both eyes, impairing vision or causing blindness. The many kinds of cataract are classified by their morphology (size, shape, location) or etiology (cause and time of occurrence). (Dorland, 27th ed)	Cataract, Membranous,Lens Opacities,Pseudoaphakia,Cataracts,Cataracts, Membranous,Lens Opacity,Membranous Cataract,Membranous Cataracts,Opacities, Lens,Opacity, Lens,Pseudoaphakias
D006168	Guinea Pigs	A common name used for the genus Cavia. The most common species is Cavia porcellus which is the domesticated guinea pig used for pets and biomedical research.	Cavia,Cavia porcellus,Guinea Pig,Pig, Guinea,Pigs, Guinea
D000096	Acetone	A colorless liquid used as a solvent and an antiseptic. It is one of the ketone bodies produced during ketoacidosis.
D000818	Animals	Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.	Animal,Metazoa,Animalia
D001082	Aqueous Humor	The clear, watery fluid which fills the anterior and posterior chambers of the eye. It has a refractive index lower than the crystalline lens, which it surrounds, and is involved in the metabolism of the cornea and the crystalline lens. (Cline et al., Dictionary of Visual Science, 4th ed, p319)	Aqueous Flare,Intraocular Fluid,Aqueous Flares,Aqueous Humors,Flare, Aqueous,Fluid, Intraocular,Fluids, Intraocular,Humor, Aqueous,Humors, Aqueous,Intraocular Fluids
D001205	Ascorbic Acid	A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.	Vitamin C,Ascorbic Acid, Monosodium Salt,Ferrous Ascorbate,Hybrin,L-Ascorbic Acid,Magnesium Ascorbate,Magnesium Ascorbicum,Magnesium di-L-Ascorbate,Magnorbin,Sodium Ascorbate,Acid, Ascorbic,Acid, L-Ascorbic,Ascorbate, Ferrous,Ascorbate, Magnesium,Ascorbate, Sodium,L Ascorbic Acid,Magnesium di L Ascorbate,di-L-Ascorbate, Magnesium