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Abstract #20563 Published in IGR 10-1

Disease-related quantitation of TGF-β3 in human aqueous humor

Yoneda K; Nakano M; Mori K; Kinoshita S; Tashiro K
Growth Factors 2007; 25: 160-167


TGF-β3 has been implicated in the pathology of ocular diseases, but its concentration in human aqueous humor has never been assessed. In this study, we established an enzyme-linked immunosorbent assay (ELISA) for TGF-β3 and quantitated it in aqueous humor collected from patients with pseudoexfoliation syndrome (PE), primary open angle glaucoma, chronic angle closure glaucoma and cataract (as the control). To develop the TGF-β3 ELISA, we screened antibodies to identify the best combination, validated the assay for aqueous humor, and optimized the procedure for preparing activated TGF-β3. As a result, our ELISA was highly selective and reproducible. Using our ELISA, we discovered a significantly elevated concentration of TGF-β3 in PE eyes. We also developed new TGF-β1 and -β2 ELISAs, and were able, for the first time, to quantitate all the TGF-β isoforms in the aqueous humor from a single eye, to assess their proportional effects on the pathogenesis of ocular diseases.

Dr. K. Tashiro, Department of Genomic Medical Sciences, Kyoto Prefectural University of Medicine, Kyoto, Japan


Classification:

2.6.3 Compostion (Part of: 2 Anatomical structures in glaucoma > 2.6 Aqueous humor dynamics)
3.7 Biochemistry (Part of: 3 Laboratory methods)



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