{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T01:50:33Z","timestamp":1787017833061,"version":"build-2736575974"},"reference-count":40,"publisher":"Wiley","license":[{"start":{"date-parts":[[2018,2,25]],"date-time":"2018-02-25T00:00:00Z","timestamp":1519516800000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Bone Marrow Research"],"published-print":{"date-parts":[[2018,2,25]]},"abstract":"<jats:p>\n                    The purpose of this study was to quantify the stem cell and growth factor (GF) contents in the bone marrow aspirate concentrate (BMAC) and platelet-rich plasma (PRP) prepared from whole blood using a protocol established in our laboratory. We examined 10 patients with osteonecrosis of the femoral head who were treated by autologous BMAC transplantation at our hospital between January 2015 and June 2015. We quantified CD34+ and CD31\u2212CD45\u2212CD90+CD105+ cells in BMAC and PRP by flow cytometry. Additionally, we measured various GFs, that is, basic fibroblast growth factor (b-FGF), platelet-derived growth factor-BB (PDGF-BB), vascular endothelial growth factor (VEGF), transforming growth factor-\n                    <jats:italic>\u03b2<\/jats:italic>\n                    1 (TGF-\n                    <jats:italic>\u03b2<\/jats:italic>\n                    1), and bone morphogenetic protein-2 (BMP-2) in BMAC and PRP using enzyme-linked immunosorbent assays and statistical analyses. CD34+ and CD31\u221245\u221290+105+ cells accounted for approximately 1.9% and 0.03% of cells in BMAC and no cells in PRP. The concentration of b-FGF was higher in BMAC than in PRP (\n                    <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\">\n                      <mml:mi>P<\/mml:mi>\n                      <mml:mo>&lt;<\/mml:mo>\n                      <mml:mn fontstyle=\"italic\">0.001<\/mml:mn>\n                    <\/mml:math>\n                    ), whereas no significant differences in the levels of PDGF-BB, VEGF, TGF-\n                    <jats:italic>\u03b2<\/jats:italic>\n                    1, and BMP-2 were observed between the two types of sample. BMAC had an average of 1.9% CD34+ and 0.03% CD31\u221245\u221290+105+ cells and higher levels of b-FGF than those of PRP.\n                  <\/jats:p>","DOI":"10.1155\/2018\/1549826","type":"journal-article","created":{"date-parts":[[2018,2,25]],"date-time":"2018-02-25T18:30:31Z","timestamp":1519583431000},"page":"1-9","source":"Crossref","is-referenced-by-count":44,"title":["Comparative Analysis of Cellular and Growth Factor Composition in Bone Marrow Aspirate Concentrate and Platelet-Rich Plasma"],"prefix":"10.1155","volume":"2018","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3696-7726","authenticated-orcid":true,"given":"Hisashi","family":"Sugaya","sequence":"first","affiliation":[{"name":"Division of Regenerative Medicine for Musculoskeletal System, Department of Orthopedics Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8687-4582","authenticated-orcid":true,"given":"Tomokazu","family":"Yoshioka","sequence":"additional","affiliation":[{"name":"Division of Regenerative Medicine for Musculoskeletal System, Department of Orthopedics Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toshiki","family":"Kato","sequence":"additional","affiliation":[{"name":"Laboratory of Regenerative Medicine and Stem Cell Biology, Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0549-4284","authenticated-orcid":true,"given":"Yu","family":"Taniguchi","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Faculty of 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