Abstract:
:Myelination in the central nervous system requires an accurate interplay between oligodendrocyte precursor cells (OPC) and axons. By as yet not fully understood mechanisms, OPC proliferate, migrate to the axon to be myelinated and finally differentiate into mature oligodendrocytes. The recent finding that OPC express CXC chemokine receptors led us to the investigation of the expression and functional importance of CC chemokine receptors. Using RT-PCR, we show that primary OPC from neonatal rats express CCR3, while CCR1, CCR2, CCR4, CCR5, and CCR7 are not expressed. Immunofluorescence staining of OPC could further demonstrate protein expression of CCR3. A rise of intracellular Ca2+ upon stimulation with the appropriate ligand CCL11 showed that this receptor is functional. Moreover, CCL11 led to a concentration specific increase in proliferation, inhibition of migration, and augmentation of differentiation in primary OPC. Thus, CCR3 may influence the process of myelination. This is of general importance for both developmental tissue patterning and for repair processes in demyelinating diseases like multiple sclerosis.
journal_name
J Neuroimmunoljournal_title
Journal of neuroimmunologyauthors
Maysami S,Nguyen D,Zobel F,Heine S,Höpfner M,Stangel Mdoi
10.1016/j.jneuroim.2006.05.021subject
Has Abstractpub_date
2006-09-01 00:00:00pages
17-23issue
1-2eissn
0165-5728issn
1872-8421pii
S0165-5728(06)00205-0journal_volume
178pub_type
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pub_type: 更正并重新发布的文章,杂志文章
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更新日期:2000-08-01 00:00:00
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pub_type: 杂志文章,评审
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