Phospholipase A2 content of aqueous humour in cataract patients. 1995

K M Saari, and H Saaren-Seppälä, and O Guillén-Monterrubio, and J Hartikainen, and T J Nevalainen
Department of Ophthalmology, University of Turku, Finland.

In order to determine the content of group II phospholipase A2 in the aqueous humour we studied 41 cataract patients including 8 men and 33 women with age ranging between 65 and 92 (mean +/- SD being 77.0 +/- 6.7) years. In all patients preoperative biomicroscopy showed neither aqueous flare nor cells. Eleven patients (26.8%) had pseudoexfoliation syndrome. Aqueous humour tap was done at the beginning of cataract surgery before perforating the corneoscleral wound. We used time-resolved fluoroimmunoassay for the detection of group II phospholipase A2 in the aqueous humour. The group II phospholipase A2 content in the aqueous humor varied between less than measurable (in 23 patients) and 3.3 ng/ml, with an interquartile range from less than measurable to 1.4 ng/ml. There was no significant difference in the group II phospholipase A2 content of the aqueous humour whether or not the patient had pseudoexfoliation syndrome. The results show that the aqueous humour of cataract patients contains only minute amounts of group II phospholipase A2.

UI MeSH Term Description Entries
D007910 Lenses, Intraocular Artificial implanted lenses. Implantable Contact Lens,Lens, Intraocular,Contact Lens, Implantable,Intraocular Lens,Intraocular Lenses,Lens, Implantable Contact
D008297 Male Males
D010741 Phospholipases A Phospholipases that hydrolyze one of the acyl groups of phosphoglycerides or glycerophosphatidates.
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
D002387 Cataract Extraction The removal of a cataractous CRYSTALLINE LENS from the eye. Enzymatic Zonulolysis,Phakectomy,Cataract Extractions,Enzymatic Zonulolyses,Extraction, Cataract,Extractions, Cataract,Phakectomies,Zonulolyses, Enzymatic,Zonulolysis, Enzymatic
D005260 Female Females
D005901 Glaucoma An ocular disease, occurring in many forms, having as its primary characteristics an unstable or a sustained increase in the intraocular pressure which the eye cannot withstand without damage to its structure or impairment of its function. The consequences of the increased pressure may be manifested in a variety of symptoms, depending upon type and severity, such as excavation of the optic disk, hardness of the eyeball, corneal anesthesia, reduced visual acuity, seeing of colored halos around lights, disturbed dark adaptation, visual field defects, and headaches. (Dictionary of Visual Science, 4th ed) Glaucomas
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000369 Aged, 80 and over Persons 80 years of age and older. Oldest Old

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