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Open Access Tissue Augmentation by White Blood Cell-Containing Platelet-Rich Plasma

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Platelet-rich plasma (PRP) is a matrix of fibrin and platelets that releases cytokines that are important in wound healing. PRP is produced from the patient's blood and therefore has less risk of allergic reaction and infection. We have obtained PRP with an enhanced white blood cell component (W-PRP) by optimizing the centrifugal separation of PRP from plasma. Here we show that injection of W-PRP into the auricle of nude mice gave greater tissue augmentation compared to PRP. Further augmentation occurred when bFGF was added to W-PRP, and there was a significant increase in the number of α-smooth muscle actin-positive cells in mice treated with W-PRP+bFGF. Our results suggest that W-PRP may have value in cosmetic surgery aimed at rejuvenation of wrinkled and sagging skin. W-PRP injection constitutes a new concept in cell transplantation, in which cells required for tissue regeneration are induced by cytokines released from the transplanted cells.

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Keywords: Platelet-rich plasma (PRP); Tissue augmentation; White blood cell

Document Type: Research Article

Affiliations: Department of Plastic Reconstructive and Aesthetic Surgery, Kijunkai, Yoshikawa Hospital, Kyoto, Japan

Publication date: 2012-02-01

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  • Cell Transplantation publishes original, peer-reviewed research and review articles on the subject of cell transplantation and its application to human diseases. To ensure high-quality contributions from all areas of transplantation, separate section editors and editorial boards have been established. Articles deal with a wide range of topics including physiological, medical, preclinical, tissue engineering, and device-oriented aspects of transplantation of nervous system, endocrine, growth factor-secreting, bone marrow, epithelial, endothelial, and genetically engineered cells, among others. Basic clinical studies and immunological research papers are also featured. To provide complete coverage of this revolutionary field, Cell Transplantation will report on relevant technological advances, and ethical and regulatory considerations of cell transplants. Cell Transplantation is now an Open Access journal starting with volume 18 in 2009, and therefore there will be an inexpensive publication charge, which is dependent on the number of pages, in addition to the charge for color figures. This will allow work to be disseminated to a wider audience and also entitle the corresponding author to a free PDF, as well as prepublication of an unedited version of the manuscript.

    Cell Transplantation is now being published by SAGE. Please visit their website for the most recent issues.

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