The molecular biology of eosinophil granule proteins - PubMed (original) (raw)

Review

The molecular biology of eosinophil granule proteins

K J Hamann et al. Int Arch Allergy Appl Immunol. 1991.

Abstract

Here, we briefly review the molecular biology of the human eosinophil granule proteins, major basic protein (MBP), eosinophil peroxidase (EPO), eosinophil cationic protein (ECP) and eosinophil-derived neurotoxin (EDN). The nucleotide sequence of MBP cDNA indicates that MBP is translated as a 25.2-kilodalton preproprotein; the mpb gene consists of 6 exons and 5 introns spanning 3.3 kilobases (kb). The approximately 2.1-kb nucleotide sequence of EPO cDNA corresponds to a prosequence, light chain and heavy chain in that order; similarities to other peroxidases suggest the existence of a multigene family. EDN and ECP cDNAs and genes are remarkably similar throughout, suggesting a relatively recent divergence. Promoter regions of the 4 genes show interesting differences and similarities which may be related to differential gene regulation.

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