- Enhanced expression of PAI-1 in visceral fat: possible contributor to vascular disease in obesity. Shimomura, I., Funahashi, T., Takahashi, M., Maeda, K., Kotani, K., Nakamura, T., Yamashita, S., Miura, M., Fukuda, Y., Takemura, K., Tokunaga, K., Matsuzawa, Y. Nat. Med. (1996)