https://scholars.lib.ntu.edu.tw/handle/123456789/413291
標題: | Hematopoietic and myeloprotective activities of an acidic Angelica sinensis polysaccharide on human CD34 + stem cells | 作者: | Lee J.-G. Hsieh W.-T. SHEE-UAN CHEN BEEN-HUANG CHIANG |
關鍵字: | Angelica sinensis polysaccharides;CD34 + stem cells;Hematopoiesis;Human umbilical cord blood;Myeloprotection | 公開日期: | 2012 | 卷: | 139 | 期: | 3 | 起(迄)頁: | 739-745 | 來源出版物: | Journal of Ethnopharmacology | 摘要: | Ethnopharmacological relevance: Angelica sinensis (AS) is a Chinese herbal medicine traditionally used in prescriptions for replenishing blood and treating abnormal menstruation and other women's diseases. Aim of the study: This study aimed to separate and identify the major hematopoietic fraction from Angelica sinensis polysaccharides (ASPS), and to investigate the myeloprotective activity of the major bioactive fraction of ASPS as a possible supporting agent for cancer treatments. Materials and methods: The ASPS was fractionated with DEAE-Sepharose CL-6B column to obtain four fractions (F1, F2, F3 and F4). Each fraction was cultured with human peripheral blood mononuclear cells (MNCs) to collect conditioned medium (CM). The hematopoietic ability of various MNC-CM was then evaluated by the colony-forming assay on CD34 + cells collected by the MACS method from human umbilical cord blood (UCB). In myeloprotective experiment, Adriblastina was used to act as the myelosuppressive agent. The monosaccharide composition of ASPS was analyzed by high-performance anion-exchange chromatography-pulse amperometric detector. Results: The F2 fraction, which was found to have the highest hematopoietic activity, stimulated the human peripheral blood MNCs to secret GM-CSF and IL-3. F2 could also protect the hematopoietic function of CD34 + cells from Adriblastina. F2 occupies 19% of ASPS and contains 0.53% protein. The monosaccharide composition of F2 was arabinose (51.82%), fructose (1.65%), galactose (29.96%), glucose (4.78%) and galacturonic acid (14.80%), with molecular weight 2.5-295 kDa. Conclusions: The bioactive fraction identified and fractionated from ASPS may be used as a health-promoting agent for anemia patients and cancer patients under chemoradiation treatment. ? 2011 Elsevier Ireland Ltd. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/413291 | ISSN: | 03788741 | DOI: | 10.1016/j.jep.2011.11.049 | SDG/關鍵字: | Angelica sinensis extract; arabinose; CD34 antigen; doxorubicin; fructose; galactose; galacturonic acid; glucose; granulocyte macrophage colony stimulating factor; interleukin 3; monosaccharide; polysaccharide; sepharose; amperometry; Angelica sinensis; anion exchange chromatography; article; colony forming unit; controlled study; drug activity; drug isolation; fractionation; hematopoiesis; human; human cell; molecular weight; myeloprotective activity; peripheral blood mononuclear cell; stem cell; umbilical cord blood; Angelica sinensis; Antibiotics, Antineoplastic; Antigens, CD34; Culture Media, Conditioned; Doxorubicin; Fetal Blood; Granulocyte-Macrophage Colony-Stimulating Factor; Hematinics; Hematopoietic Stem Cells; Humans; Interleukin-3; Leukocytes, Mononuclear; Neoplasms; Plant Extracts; Polysaccharides; Angelica sinensis |
顯示於: | 食品科技研究所 |
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