New design to remove leukocytes from platelet-rich plasma (PRP) based on cell dimension rather than density

Autor: Subhaini Jakfar, Tzu-Chieh Lin, Shinn-Chih Wu, Yao-Horng Wang, Yu-Jun Sun, Minal Thacker, Li-Xin Liu, Feng-Huei Lin
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Bioactive Materials, Vol 6, Iss 10, Pp 3528-3540 (2021)
Druh dokumentu: article
ISSN: 2452-199X
DOI: 10.1016/j.bioactmat.2021.03.002
Popis: Platelet-rich plasma (PRP) can stimulate the proliferation of stem cells and have a positive effect on tissue repair. Although many commercialized PRP preparation kits are already on the market, first-line clinical workers are still not satisfied with most of the PRP kits. The work of commercial PRP kits is based on the density of blood elements. However, the blood elements are very close in density which makes the separation challenging. Therefore, the mentioned commercialized kits are generally contaminated by leucocytes and erythrocyte. In this study, a home-designed PRP device was developed to use a separation membrane with adequate cut-off pore size of 5 μm, 3 μm and 2 μm for the groups of H5M, H3M, and H2M, respectively, to be placed in the middle of the centrifuge tube. The home-designed H2M showed a very promising results regardless of the final volume (1.82 ± 0.09 ml), platelet yield (8.39 ± 0.44%), Red Blood Cells (0%), White Blood Cells (0%), and Relative Concentration of Platelet Increment value (225.09%). Further, it showed a good result in cell viability and cytotoxicity and confirmed a good multilineage potentials. The concentration in PRP prepared by group H2M was relatively stable and far above average. All the fibrin fibers were linked together as bridging strands or strings and turned into an inter-connected porous structure for nutrients transportation and regenerative cell migration. We believe that the home-designed group H2M should have a great potential to develop into the final product to meet the requirements of first-line clinical workers.
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