{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T21:06:52Z","timestamp":1774645612933,"version":"3.50.1"},"reference-count":35,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2004,2,1]],"date-time":"2004-02-01T00:00:00Z","timestamp":1075593600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2004,2,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>The incisors absent rat is an osteopetrotic animal model. Segregation analysis in 37 affected animals from an outcross enabled us to assign the disease causing gene to a 4.7-cM interval on rat chromosome 10q32.1. Further analysis of the genes mapped in this region will provide more insight into the underlying pathogenesis.<\/jats:p>\n               <jats:p>Introduction: Many of the insights into the factors that regulate the differentiation and activation of osteoclasts are gained from different spontaneous and genetically induced osteopetrotic animal models. The osteopetrotic incisors absent (ia) rat exhibits a generalized skeletal sclerosis and a delay of tooth eruption. Although the ia rat has well been studied phenotypically, the genetic defect still remains unknown.<\/jats:p>\n               <jats:p>Material and Methods: To map the ia locus, we outcrossed the inbred ia strain with the inbred strain Brown Norway. Intercrossing F1 animals produced the F2 generation. Thirty-one mutant F2 animals and six mutant F4 animals were available for segregation analysis.<\/jats:p>\n               <jats:p>Results: Segregation analysis enabled us to assign the disease causing gene to rat chromosome 10q32.1. Homozygosity for the ia allele was obtained for two of the markers analyzed (D10Rat18 and D10Rat84). Key recombinations delineate a candidate region of 4.7 cM flanked by the markers D10Rat99 and D10Rat17.<\/jats:p>\n               <jats:p>Conclusion: We have delineated a 4.7-cM region on rat chromosome 10q32.1 in which the gene responsible for the osteopetrotic phenotype of the ia rat is located. Although the sequence of this chromosomal region is not complete, over 140 known or putative genes have already been assigned to this region. Among these, several candidate genes with a putative role in osteoclast functioning can be identified. However, at this point, it cannot be excluded that one of the genes with a currently unknown function is involved in the pathogenesis of the ia rat. Further analysis of the genes mapped in this region will provide us more insight into the pathogenesis of this osteopetrotic animal model.<\/jats:p>","DOI":"10.1359\/jbmr.2004.19.2.183","type":"journal-article","created":{"date-parts":[[2006,4,27]],"date-time":"2006-04-27T06:49:17Z","timestamp":1146120557000},"page":"183-189","source":"Crossref","is-referenced-by-count":12,"title":["Localization of the Gene Causing the Osteopetrotic Phenotype in the Incisors Absent (Ia) Rat on Chromosome 10q32.1"],"prefix":"10.1093","volume":"19","author":[{"given":"Liesbeth","family":"van Wesenbeeck","sequence":"first","affiliation":[{"name":"Department of Medical Genetics, University of Antwerp, Antwerp, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paul R","family":"Odgren","sequence":"additional","affiliation":[{"name":"Department of Cell Biology, University of Massachusetts Medical School, North Worcester, Massachusetts, 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