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Growth differentiation factor 11 (GDF11) - a promising anti-ageing factor - is highly concentrated in platelets
J L Bueno1, M Ynigo2, C de Miguel1
1Haematology Department, Hospital Universitario Puerta de Hierro-Majadahonda, Majadahonda, Spain.
Abstract:
Recent research suggests that growth differentiation factor 11 (GDF11) could reverse age-related diseases and that its blood concentration decreases with age. This poses plasma from young donors as a therapeutic GDF11 source to treat age-related diseases. In addition, the tissue source of circulating GDF11 remains unknown. We analysed GDF11 levels in paired samples of serum, plasma and platelet lysate (PL) from 23 volunteers. Plasma and PL were collected by plateletpheresis. Here, we show that GDF11 is highly concentrated in platelets and that the circulating levels reported in previous studies could be biased as a result of serum sample manipulation.
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