https://scholars.lib.ntu.edu.tw/handle/123456789/584297
標題: | Gel-filtrated fractions of alveolar bone extract contain factors promoting cell attachment and a mitogenic effect on periodontal ligament fibroblasts. | 作者: | Hou L.T. CHEING-MEEI LIU YI-JANE CHEN Wong M.Y. Chen J. Chen K.C. |
公開日期: | 2000 | 卷: | 24 | 期: | 1 | 起(迄)頁: | 33-40 | 來源出版物: | Proceedings of the National Science Council, Republic of China. Part B, Life sciences | 摘要: | The purpose of this study was to investigate the effect of acetic acid-extracted bone proteins on human periodontal ligament fibroblasts (hPF) with respect to mitogenic and cell attachment promoting activity. Alveolar bone was harvested from healthy donors and subjected to 0.5 M acetic acid extraction, dialysis and lyophilization, and gel filtration. Promotion of cell attachment and stimulation of DNA synthesis by the crude extract and gel-filtrated fractions were studied in cultured hPE Many protein components, varying in molecular weight from 10-14 to 120 kDa, were detectable in 10% SDS-PAGE of the extract. Gel filtration of bone extract disclosed four fractions with molecular weights of 55, 34, 29 and 19-20 kDa. Both the 34 and 55 kDa fractions at a concentration of 5 microg/ml, but not the 29- or 19-20 kDa fractions, were found to promote cell attachment while only the 55 kDa fraction (5 microg/ml) stimulated DNA synthesis of hPF, Both mitogenic activity and the promotion of the cell attachment by gel-filtrated active fractions were resistant to thermal treatment (70 degrees C) and pH (4 to approximately 8) changes. These findings suggest that acetic acid extract of alveolar bone may contain components which are capable of modulating cell attachment and mitogenesis of hPF. |
URI: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-0033656034&partnerID=40&md5=f3b2550282d9d414e30ecaf90bb2c436 https://scholars.lib.ntu.edu.tw/handle/123456789/584297 |
ISSN: | 0255-6596 | SDG/關鍵字: | acetic acid; tissue extract; article; bone; cell adhesion; cell culture; cell division; cytology; drug effect; fibroblast; freeze drying; gel chromatography; human; isolation and purification; periodontal ligament; physiology; Acetic Acid; Bone and Bones; Cell Adhesion; Cell Division; Cells, Cultured; Chromatography, Gel; Fibroblasts; Freeze Drying; Humans; Periodontal Ligament; Tissue Extracts |
顯示於: | 牙醫學系 |
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