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Brain Res Mol Brain Res. 1999 Aug 25;71(2):217-24.

Protease M/neurosin mRNA is expressed in mature oligodendrocytes.

Author information

1
Division of Structural Cell Biology, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara, Japan.

Abstract

No proteases have been identified to be oligodendrocyte-specific though there are phenomena in which proteases may be committed. We have cloned a cDNA for mouse homologue of protease M/neurosin, serine protease, and localized its mRNA in the mouse brain. The cDNA and the deduced amino acid sequences were 66% identical to those of human protease M/neurosin. In situ hybridization histochemistry revealed that the mRNA was localized in the mature oligodendrocytes which expressed proteolipid protein mRNA. Developmentally, protease M/neurosin mRNA was expressed by oligodendrocytes 2 to 7 days after the maturation. Thus, protease M/neurosin may be important to the processes occurring after the maturation of oligodendrocytes such as myelination or turnover of the proteins in the myelin.

PMID:
10521576
DOI:
10.1016/s0169-328x(99)00187-4
[Indexed for MEDLINE]

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