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Lactoferrin induces tropoelastin expression by activating the lipoprotein receptor-related protein 1-mediated phosphatidylinositol 3-kinase/Akt pathway in human dermal fibroblasts.
Abstract Dermal fibroblasts generate the extracellular matrix component elastin, which is synthesized as tropoelastin (TE) and play a critical role in maintaining skin elasticity. Lactoferrin (Lf), an 80-kDa iron-binding glycoprotein, has biological functions such as antibacterial, antiinflammatory, and anticancer activities. We previously reported that bovine Lf increases TE mRNA expression in human dermal fibroblasts. However, it remains unclear how Lf up-regulates TE expression. Here, we investigated molecular mechanisms underlying this effect. Lf promoted the phosphorylation of Akt1 and extracellular signal-re...
Source: Cell Biology International - August 18, 2017 Category: Cytology Authors: Ryu M, Nogami A, Kitakaze T, Harada N, Suzuki YA, Yamaji R Tags: Cell Biol Int Source Type: research