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1 Varani, J., "Vitamin A antagonizes decreased cell growth and elevated collagen-degrading matrix metalloproteinases and stimulates collagen accumulation in naturally aged human skin" 114 : 480-486, 2000
2 Jurkiewicz, B.A., "Ultraviolet light-induced free radical formation in skin : An electron paramagnetic resonance study" 59 : 1-4, 1994
3 Quan, T., "Ultraviolet irradiation induces CYR61/CCN1, a mediator of collagen homeostasis, through activation of transcription factor AP-1 in human skin fibroblasts" 130 : 1697-1706, 2010
4 Hamid, H., "Two new compounds from the galls of Quercus infectoria with nitric oxide and superoxide inhibiting ability" 43 : 317-323, 2005
5 Moon, H.I., "Triterpenoid from Styrax japonica Sieb. et Zucc, and its effects on the expression of matrix metalloproteinases-1 and type-I procollagen caused by ultraviolet irradiated cultured primary human skin fibroblasts" 28 : 2003-2006, 2005
6 Gilchrest, B.A., "Skin aging and photoaging" 2 : 79-82, 1990
7 Tsareva, S.A, "Signal transducer and activator of transcription 3 activation promotes invasive growth of colon carcinomas through matrix metalloproteinase induction" 9 : 279-291, 2007
8 Salminen, J.P., "Seasonal variation in the content of hydrolyzable tannins, flavonoid glycosides, and proanthocyanidins in oak leaves" 30 : 1693-1711, 2004
9 Cannell, R.J.P., "Results of a large scale screen of microalgae for the production of protease inhibitors" 54 : 10-14, 1988
10 Haslam, E., "Natural polyphenols(vegetable tannins)as drugs : Possible modes of action" 59 : 205-215, 1996
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