Adipose tissue is an attractive source of mesenchymal stromal cells (MSCs) owing to the relative ease of obtaining large volumes with more MSC abundance compared with other sources. Increasing evidence supports the fact that trophic factors secreted by MSCs play a pivotal therapeutic role. Several strategies in regenerative medicine use MSCs, mainly exploiting their immunosuppressive effect and homing capacity to sites of damage. Transforming growth factor-β1 (TGF-β1) is a pleiotropic cytokine that, depending on the cell niche, can display either anti-inflammatory or proinflammatory effects. TGF-β1 expression increases in various tissues with damage, especially when accompanied by inflammation. Thus, we analyzed the effect of TGF-β1 on the secretion by adipose-derived mesenchymal stromal cells (ASCs) of a panel of 80 cytokines/chemokines using an antibody array. To avoid a possible effect of fetal bovine serum (FBS) on ASCs secretion, we performed our analysis by culturing cells in FBS-free conditions, only supplemented with 0.1% of bovine serum albumin. We report the cytokine profile secreted by ASCs. We also found that TGF-β1 exposure modulates 8 chemokines and 18 cytokines, including TGF-β1 and -β2, and other important cytokines involved in immunosuppression, allergic responses, and bone resorption.
The autoprosthesis technique for mastopexy is a simple and safe, technique, allowing long-lasting results for breast projection and upper pole fullness.
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