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Nishimura, M. et al.

Nishimura, Ikeda, Ushiyama, Nanbu, Kinoshita, Yoshimura,

Increased vitreous concentrations of human hepatocyte growth factor in proliferative diabetic retinopathy.

Human hepatocyte GF ( hHGF) has strong neoangiogenesis activity. The present study was designed to investigate the possible involvement of hHGF in neovascularization in proliferative diabetic retinopathy (PDR) by measuring vitreous hHGF concentrations. The mean vitreous hHGF concentration was higher in subjects with PDR (5.70 +/- 0.68 ng/mL, n = 33) than in nondiabetic control subjects (1.50 +/- 0.20 ng/mL, n = 18, P < 0.01), nondiabetic subjects with proliferative vitreoretinopathy (3.31 +/- 0.57 ng//mL, n = 10, P < 0.05), or diabetic subjects without PDR (1.29 +/- 0.28 ng/mL, n = 8, P < 0.01). PDR subjects with neovascularization of iris, which suggests advanced retinal ischemia, showed a higher mean vitreous hHGF concentration than those without iridal neovascularization [7.33 +/- 1.16 ng/mL (n = 14) vs. 4.49 +/- 0.72 ng/mL (n = 19), P < 0.05]. The mean vitreous hHGF concentration was higher in PDR subjects with retinal neovascularization at the optic disc than in those with neovascularization elsewhere [7.3 +/- 1.1 ng/mL (n = 15) vs. 4.4 +/- 0.7 ng/mL (n = 18), P < 0.05]. Our results indicate that vitreous hHGF may play a role in retinal neovascularization in PDR.[1]

References

Increased vitreous concentrations of human hepatocyte growth factor in proliferative diabetic retinopathy. Nishimura, M., Ikeda, T., Ushiyama, M., Nanbu, A., Kinoshita, S., Yoshimura, M. J. Clin. Endocrinol. Metab. (1999) [Pubmed]

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