Troglitazone induced apoptosis of human pterygium fibroblasts through a mitochondrial-dependent pathway
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National Natural Science Foundation of China (No.30872808)

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    Abstract:

    AIM: To study the effect of troglitazone on primary culture human pterygium fibroblasts (HPF). METHODS: Cell viability loss and apoptosis were quantified by cell counting kit-8, AnnexinV-FITC/PI double staining, caspases activity test and western blotting. Flow cytometry was used to detect mitochondrial membrane potential. RESULTS: Peroxisome proliferator-activated receptor γ (PPAR-γ) was positively expressed in pterygium specimens (n=5). Troglitazone showed dose-dependent inhibition of cell survival, induced phospholipids redistribution, activated caspase-3, -9, and altered mitochondrial potential. Western blot assay demonstrated the increase of Bax/Bcl-2 protein ratio. CONCLUSION: Troglitazone induced apoptosis of HPF through a mitochondrial-dependent pathway.

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Xiao-Xi Yang, Jian Chen, Qing Zhou, et al. Troglitazone induced apoptosis of human pterygium fibroblasts through a mitochondrial-dependent pathway. Int J Ophthalmol, 2011,4(2):143-146

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