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Osteoclast activation by receptor activator of NF-κB ligand enhances the mobilization of hematopoietic progenitor cells from the bone marrow in acute injury
DC Field | Value | Language |
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dc.contributor.author | Cho, Kyung-Ah | - |
dc.contributor.author | Joo, Sun-Young | - |
dc.contributor.author | Han, Ho-Seong | - |
dc.contributor.author | Ryu, Kyung-Ha | - |
dc.contributor.author | Woo, So-Youn | - |
dc.date.accessioned | 2012-06-29T05:48:50Z | - |
dc.date.available | 2012-06-29T05:48:50Z | - |
dc.date.issued | 2010-10 | - |
dc.identifier.citation | INTERNATIONAL JOURNAL OF MOLECULAR MEDICINE; Vol.26; no.4; 557-563 | ko_KR |
dc.identifier.issn | 1107-3756 | - |
dc.identifier.uri | https://hdl.handle.net/10371/77949 | - |
dc.description.abstract | Osteoclasts (OCLs) are multinucleated cells that are derived from the monocyte/macrophage hematopoietic lineage in response to receptor activator of NF-kappa B ligand (RANKL) activation. They are specialized cells responsible for physiological bone resorption and as well as pathologic bone loss. In addition to their unique ability to resorb bone, OCLs also play a potential role in the mobilization of hematopoietic progenitor cells from the bone marrow (BM), particularly under various stress stimuli (e.g. hypoxia, injury or inflammation). We investigated the effect of activated OCLs on the stem cell niche and whether this leads to mobiliz-ation of hematopoietic progenitors. We induced activated OCLs from the RAW264.7 cell line through stimulation with RANKL and we quantified the levels of the stem cell niche component SDF-1 on the osteblasts and CXCR4 on the bone marrow cells (BMCs) by culturing with supernatants from activated OCLs. In addition, we exposed mice to stress by inducing liver injury with CCl(4) followed by injecting RANKL to activate OCLs and compared the effect on the mobilization of hematopoietic progenitor cells from the BM. We found that functional OCLs cleaved SDF-1 alpha in the osteoblasts and increased CXCR4 expression in the BMCs. Moreover, under stress in vivo, mobilized hematopoietic progenitor cells were significantly increased after RANKL treatment. These results suggest that OCLs might be involved in alteration of the interaction between SDF-1 and CXCR4 leading to mobilization of hematopoietic progenitor cells from the BM. | ko_KR |
dc.language.iso | en | ko_KR |
dc.publisher | SPANDIDOS PUBL LTD | ko_KR |
dc.subject | osteoclasts | ko_KR |
dc.subject | and osteoblasts | ko_KR |
dc.subject | SDF-1 | ko_KR |
dc.subject | hematopoietic stem cells | ko_KR |
dc.subject | CXCR4 | ko_KR |
dc.title | Osteoclast activation by receptor activator of NF-κB ligand enhances the mobilization of hematopoietic progenitor cells from the bone marrow in acute injury | ko_KR |
dc.type | Article | ko_KR |
dc.contributor.AlternativeAuthor | 조경아 | - |
dc.contributor.AlternativeAuthor | 주선영 | - |
dc.contributor.AlternativeAuthor | 한호성 | - |
dc.contributor.AlternativeAuthor | 류경하 | - |
dc.contributor.AlternativeAuthor | 우소윤 | - |
dc.identifier.doi | 10.3892/ijmm_00000499 | - |
dc.citation.journaltitle | INTERNATIONAL JOURNAL OF MOLECULAR MEDICINE | - |
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dc.description.tc | 3 | - |
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