{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,20]],"date-time":"2026-09-20T22:58:37Z","timestamp":1789945117070,"version":"4.0.1"},"reference-count":33,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2004,7,21]],"date-time":"2004-07-21T00:00:00Z","timestamp":1090368000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American J of Med Genetics Pt A"],"published-print":{"date-parts":[[2004,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>We report on a 14\u2010year\u2010old boy who presented with bilateral cleft lip and palate, hearing loss, a language processing disorder, and mild mental retardation (MR). G\u2010banded chromosome analysis of the patient and his family revealed he carried an apparently balanced de novo complex translocation involving chromosomes 5, 6, and 7. Chromosomal comparative genomic hybridization (CGH) was performed to investigate the possibility of any genomic imbalance as a result of the complex rearrangement. No abnormality was detected at any of the translocation breakpoint regions (5p13.2, 6p24, 7q21.1, and 7q21.3), nor was there any other imbalance which fell inside our significance level of 0.8\u20131.2. Array\u2010CGH analysis was initiated to perform a higher resolution search for gains and losses, and revealed a deletion of two adjacent clones, CTB\u2010133K23 and RP11\u2010112P4, mapping to 7q31.3, which are 4.4 Mb apart. Fluorescence in situ hybridization (FISH) using these two clones confirmed the deletion. 7q31 has frequently been implicated in the search for genes involved in speech and language disorders. The specific 7q31.3 region deleted in our patient has significant overlap with some such areas of the genome. These findings are, therefore, of value in identifying genes involved in the speech and language phenotypes. This study has shown the importance of array\u2010CGH in investigating patients who have clinical features suggestive of a chromosome abnormality, but with apparently balanced chromosome rearrangements. It has demonstrated that the array\u2010CGH technique provides a much greater insight into submicroscopic chromosome imbalances than conventional cytogenetic techniques. \u00a9 2004 Wiley\u2010Liss, Inc.<\/jats:p>","DOI":"10.1002\/ajmg.a.30245","type":"journal-article","created":{"date-parts":[[2004,7,21]],"date-time":"2004-07-21T20:10:14Z","timestamp":1090440614000},"page":"254-260","source":"Crossref","is-referenced-by-count":28,"title":["Elucidation of a cryptic interstitial 7q31.3 deletion in a patient with a language disorder and mild mental retardation by 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