PMID- 18791205 OWN - NLM STAT- MEDLINE DCOM- 20090410 LR - 20081216 IS - 1755-3245 (Electronic) IS - 0008-6363 (Linking) VI - 81 IP - 1 DP - 2009 Jan 1 TI - Bone marrow CXCR4 induction by cultivation enhances therapeutic angiogenesis. PG - 169-77 LID - 10.1093/cvr/cvn247 [doi] AB - AIMS: The chemokine stromal cell-derived factor-1 (SDF-1) and its receptor (CXCR4, CXC chemokine receptor 4) play a critical role in the process of post-natal neovascularization. Here, we investigated the role of CXCR4(+) bone marrow cells (BMCs) in neovascularization in a murine hindlimb ischaemia model. METHODS AND RESULTS: We found that the expression of CXCR4 in BMCs was specifically upregulated by cultivation; therefore, we used freshly isolated BMCs and cultivated BMCs, designated as BMC(Fr) and BMC(Cul), respectively. The increased CXCR4 expression corresponded to the migratory capacity in response to SDF-1 alpha. Real-time reverse transcription-polymerase chain reaction and immunohistochemical analyses revealed that SDF-1 alpha expression was significantly increased in the ischaemic limbs of mice. Blood flow perfusion and capillary density were significantly accelerated in mice implanted with BMC(Cul) as compared with those in mice implanted with BMC(Fr). The stimulatory effect of BMC(Cul) on neovascularization was significantly impaired when BMC(Cul) derived from CXCR4(+/-) mice were implanted. The implanted BMC(Cul) showed high retention in the ischaemic limbs. Further, the implantation of BMC(Cul) significantly increased the expression of interleukin (IL)-1 beta and vascular endothelial growth factor-A in the ischaemic limbs. CONCLUSION: The upregulation of CXCR4 expression by cultivation may serve as a useful source of BMCs for accelerating therapeutic angiogenesis in ischaemic cardiovascular diseases. FAU - Shiba, Yuji AU - Shiba Y AD - Department of Cardiovascular Medicine, Shinshu University Graduate School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan. FAU - Takahashi, Masafumi AU - Takahashi M FAU - Hata, Takeki AU - Hata T FAU - Murayama, Hideki AU - Murayama H FAU - Morimoto, Hajime AU - Morimoto H FAU - Ise, Hirohiko AU - Ise H FAU - Nagasawa, Takashi AU - Nagasawa T FAU - Ikeda, Uichi AU - Ikeda U LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20080912 PL - England TA - Cardiovasc Res JT - Cardiovascular research JID - 0077427 RN - 0 (CXCR4 protein, mouse) RN - 0 (Chemokine CXCL12) RN - 0 (Interleukin-1beta) RN - 0 (RNA, Messenger) RN - 0 (Receptors, CXCR4) RN - 0 (Vascular Endothelial Growth Factor A) SB - IM MH - Animals MH - Bone Marrow Cells/cytology/*metabolism MH - Cells, Cultured MH - Chemokine CXCL12/metabolism MH - Disease Models, Animal MH - Hindlimb/blood supply/metabolism MH - Interleukin-1beta/metabolism MH - Ischemia/metabolism MH - Male MH - Mice MH - Mice, Inbred BALB C MH - Mice, Inbred C57BL MH - Mice, Knockout MH - Mice, Nude MH - Mice, Transgenic MH - Neovascularization, Physiologic/genetics/*physiology MH - RNA, Messenger/metabolism MH - Receptors, CXCR4/*genetics/*metabolism MH - Regional Blood Flow/physiology MH - Up-Regulation/*physiology MH - Vascular Endothelial Growth Factor A/metabolism EDAT- 2008/09/16 09:00 MHDA- 2009/04/11 09:00 CRDT- 2008/09/16 09:00 PHST- 2008/09/16 09:00 [entrez] PHST- 2008/09/16 09:00 [pubmed] PHST- 2009/04/11 09:00 [medline] AID - cvn247 [pii] AID - 10.1093/cvr/cvn247 [doi] PST - ppublish SO - Cardiovasc Res. 2009 Jan 1;81(1):169-77. doi: 10.1093/cvr/cvn247. Epub 2008 Sep 12.