{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,5]],"date-time":"2026-02-05T12:56:03Z","timestamp":1770296163933,"version":"3.49.0"},"reference-count":36,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2004,10,11]],"date-time":"2004-10-11T00:00:00Z","timestamp":1097452800000},"content-version":"vor","delay-in-days":6493,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J of Neuroscience Research"],"published-print":{"date-parts":[[1987,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Four human myelin basic protein (MBP) variants with molecular masses of 21.5, 20.2, 18.5, and 17.3 kilodaltons (kDa) have been identified in the developing human spinal cord and their structures determined through an analysis of cDNA clones of their mRNAs. The 20.2\u2010kDa MBP mRNA encoded a novel MBP variant, the structure of which has not been reported in any species. Its amino acid sequence was identical with that of the 21.5\u2010kDa MBP except for a deletion of 11 amino acid residues encoded by exon 5 of the MBP gene. All four human MBP variants were identical except for the insertion or deletion of two peptide fragments corresponding to those encoded by exons 2 and 5 of the MBP gene. In this study, no mature human MBP cDNAs missing exon 6 sequences were identified. This suggests that, unlike the mouse, the four human MBP mRNAs encoding these MBP variants arise by the alternative splicing of only exons 2 and 5 from the primary MBP gene transcript. This indicates that the predominant MBP splicing pathways in human and mouse are different.<\/jats:p><jats:p>Immunoblots of human fetal spinal cords (11\u201321 weeks) indicated that MBP expression turned on abruptly between 14 and 16 weeks. Expression of the 20.2\u2010kDa MBP variant was most evident at 16 weeks and its relative proportion declined thereafter, suggesting that its expression was developmentally regulated.<\/jats:p>","DOI":"10.1002\/jnr.490170402","type":"journal-article","created":{"date-parts":[[2005,1,1]],"date-time":"2005-01-01T01:30:52Z","timestamp":1104543052000},"page":"321-328","source":"Crossref","is-referenced-by-count":60,"title":["Evidence for the expression of four myelin basic protein variants in the developing human spinal cord through cDNA cloning"],"prefix":"10.1002","volume":"17","author":[{"given":"H. J.","family":"Roth","sequence":"first","affiliation":[]},{"given":"K. E.","family":"Kronquist","sequence":"additional","affiliation":[]},{"given":"N. Kerlero","family":"de Rosbo","sequence":"additional","affiliation":[]},{"given":"B. F.","family":"Crandall","sequence":"additional","affiliation":[]},{"given":"A. 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