{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T10:13:05Z","timestamp":1760955185970},"reference-count":31,"publisher":"Oxford University Press (OUP)","issue":"1","license":[{"start":{"date-parts":[[1996,1,1]],"date-time":"1996-01-01T00:00:00Z","timestamp":820454400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"funder":[{"name":"Stockholm County Council"},{"name":"Swedish Medical Council","award":["0600. to L.H."],"award-info":[{"award-number":["0600. to L.H."]}]},{"name":"Karolinska Institute Research Fund"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1996,1,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>The expression of amelogenin mRNA in growing rat molars was studied. Northern blotting and the analysis of cDNA isolates revealed two predominant variants. One group of cDNA inserts contained sequences of a long mRNA version and the other group contained mRNA sequences of the shorter leucin-rich amelogenin polypeptide (LRAP). The LRAP group was deficient in an internal stretch which coded for a peptide with a high potential for beta turns. Northern blot experiments showed that most amelogenin RNA in rat teeth was represented by two bands of 1.1 and 0.8 kb. Two oligonucleotide probes were designed that were specific for the long version and for the LRAP variant. The probes were used for in situ hybridization experiments on sections of developing maxillar teeth of rats between day 2 and day 15 after birth. Both RNA species were accumulated concomitantly and exclusively in cells of the inner enamel epithelium. Expression was first observed at the mesial cusp sides and finally involved the whole ameloblast layer except for the cells adjacent to the enamel-free region at the tip of the cusps. The early amelogenin RNA expression occurred adjacent to the initial deposition of the dentin matrix. Low amounts of amelogenin RNA persisted after the differentiation of ameloblasts into the maturative stage. The sequence of events was similar in all three molars.<\/jats:p>","DOI":"10.1002\/jbmr.5650110117","type":"journal-article","created":{"date-parts":[[2010,2,3]],"date-time":"2010-02-03T15:27:52Z","timestamp":1265210872000},"page":"125-131","source":"Crossref","is-referenced-by-count":31,"title":["Expression of amelogenin mRNA sequences during development of rat molars"],"prefix":"10.1093","volume":"11","author":[{"given":"Tilmann","family":"Wurtz","sequence":"first","affiliation":[{"name":"Karolinska Institute. 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