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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Kim, Seo Yoon Son, Woo Sung Park, Min Chul Kim, Chul Min Cha, Byung Hyun Yoon, Kang Jun Lee, Soo-Hong Park, Sang Gyu |
| Description | Author Affiliation: Kim SY ( 1 Laboratory for Tracing of Gene Function, Department of Biomedical Science, CHA University , Sungnam-si, Korea.) |
| Abstract | ARS-Interacting Multi-functional Protein 1 (AIMP1) is a cytokine that is involved in the regulation of angiogenesis, immune activation, and fibroblast proliferation. In this study, fibroblast growth factor receptor 2 (FGFR2) was isolated as a binding partner of AIMP peptide (amino acids 6-46) in affinity purification using human bone marrow-derived mesenchymal stem cells (BMMSCs). AIMP1 peptide induced the proliferation of adult BMMSCs by activating Akt, inhibiting glycogen synthase kinase-3ß, and thereby increasing the level of ß-catenin. In addition, AIMP1 peptide induced the translocation of ß-catenin to the nucleus and increased the transcription of c-myc and cyclin D1 by activating the ß-catenin/T-cell factor (TCF) complex. By contrast, transfection of dominant negative TCF abolished the effect of AIMP1. The inhibition of Akt, using LY294002, abolished the accumulation and nuclear translocation of ß-catenin induced by AIMP1, leading to a decrease in c-myc and cyclin D1 expression, which decreased the proliferation of BMMSCs. An intraperitoneal injection of AIMP1 peptide into C57/BL6 mice increased the colony formation of fibroblast-like cells. Fluorescence activated cell sorting analysis showed that the colony-forming cells were CD29(+)/CD44(+)/CD90(+)/CD105(+)/CD34(-)/CD45(-), which is characteristic of MSCs. In addition, the fibroblast-like cells differentiated into adipocytes, chondrocytes, and osteocytes. Taken together, these data suggest that AIMP1 peptide promotes the proliferation of BMMSCs by activating the ß-catenin/TCF complex via FGFR2-mediated activation of Akt, which leads to an increase in MSCs in peripheral blood. |
| File Format | HTM / HTML |
| ISSN | 15473287 |
| e-ISSN | 15578534 |
| DOI | 10.1089/scd.2012.0714 |
| Journal | Stem Cells and Development |
| Issue Number | 19 |
| Volume Number | 22 |
| Language | English |
| Publisher | Mary Ann Liebert, Inc. |
| Publisher Date | 2013-10-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Discipline Cell Biology Discipline Hematology Cytokines Metabolism Mesenchymal Stromal Cells Neoplasm Proteins Proto-oncogene Proteins C-akt Rna-binding Proteins Receptor, Fibroblast Growth Factor, Type 2 Beta Catenin Active Transport, Cell Nucleus Adipocytes Animals Bone Marrow Cells Cytology Cell Differentiation Cell Proliferation Cells, Cultured Chondrocytes Chromones Pharmacology Cyclin D1 Biosynthesis Genetics Enzyme Activation Extracellular Signal-regulated Map Kinases Glycogen Synthase Kinase 3 Antagonists & Inhibitors Mice Mice, Inbred C57bl Morpholines Osteocytes Phosphorylation Protein Binding Proto-oncogene Proteins C-myc Tcf Transcription Factors Transcription, Genetic Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cell Biology Developmental Biology Hematology |
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