{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,20]],"date-time":"2026-04-20T18:27:19Z","timestamp":1776709639122,"version":"3.51.2"},"reference-count":30,"publisher":"BMJ","issue":"11","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Med Genet"],"published-print":{"date-parts":[[2008,11]]},"abstract":"<jats:sec>\n                  <jats:title>Background:<\/jats:title>\n                  <jats:p>Deletions of 11q23 are associated with mental retardation, craniofacial dysmorphism, microcephaly and short stature. We present a patient with similar clinical findings, in addition to absence of the thumbs, hypoplasia of the radii and ulnae, additional vertebrae and ribs, retarded bone age and genital hypoplasia.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods:<\/jats:title>\n                  <jats:p>Genomic DNA from the patient was screened for chromosomal imbalances by array-based comparative genomic hybridisation. DNA sequence analyses and reporter gene assays were performed in order to identify candidate gene mutations.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results:<\/jats:title>\n                  <jats:p>The patient has an \u223c8 Mbp de novo deletion on the paternal chromosome 11, which includes the promyelocytic leukaemia zinc-finger gene (<jats:italic>PLZF<\/jats:italic>, <jats:italic>ZBTB16<\/jats:italic>; OMIM 176797). The maternal <jats:italic>PLZF<\/jats:italic> allele harbours a recessive missense mutation (c.1849A\u2192G), which leads to the substitution of a highly conserved methionine by valine (p.Met617Val) within a zinc-finger motif. Taking into account specific alpha-helical propensities of Val and Met, this mutation is likely to destabilise the alpha helix of the zinc finger that forms the contact with the DNA duplex, thus affecting the biological function as shown by reporter-gene assays.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Discussion:<\/jats:title>\n                  <jats:p>The <jats:italic>PLZF<\/jats:italic> gene is one of five partners fused to the retinoic acid receptor \u03b1 in acute promyelocytic leukaemia. We describe the first patient, to our knowledge, with a germline mutation of <jats:italic>PLZF<\/jats:italic>. Our findings as well as observations in <jats:italic>Plzf<\/jats:italic>-deficient mice indicate that PLZF is a key regulator of skeletal and male germline development. Furthermore, this case highlights the importance of searching for a recessive mutation on the non-deleted chromosome in patients with a microdeletion and atypical clinical findings.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1136\/jmg.2008.059451","type":"journal-article","created":{"date-parts":[[2008,7,9]],"date-time":"2008-07-09T01:02:27Z","timestamp":1215565347000},"page":"731-737","source":"Crossref","is-referenced-by-count":60,"title":["Biallelic loss of function of the promyelocytic leukaemia zinc finger (<i>PLZF<\/i>) gene causes severe skeletal defects and genital hypoplasia"],"prefix":"10.1136","volume":"45","author":[{"given":"S","family":"Fischer","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J","family":"Kohlhase","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D","family":"B\u00f6hm","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B","family":"Schweiger","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D","family":"Hoffmann","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M","family":"Heitmann","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B","family":"Horsthemke","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D","family":"Wieczorek","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2008,7,8]]},"reference":[{"key":"2025100521400990000_45.11.731.1","doi-asserted-by":"publisher","DOI":"10.1002\/ajmg.10271"},{"key":"2025100521400990000_45.11.731.2","doi-asserted-by":"crossref","first-page":"1161","DOI":"10.1002\/j.1460-2075.1993.tb05757.x","article-title":"Fusion between a novel Kruppel-like zinc finger gene and the retinoic acid receptor-alpha locus due to a variant t(11;17) translocation associated with acute promyelocytic leukaemia.","volume":"12","author":"Chen","year":"1993","journal-title":"Embo J"},{"key":"2025100521400990000_45.11.731.3","doi-asserted-by":"publisher","DOI":"10.1038\/35901"},{"key":"2025100521400990000_45.11.731.4","doi-asserted-by":"publisher","DOI":"10.1038\/76014"},{"key":"2025100521400990000_45.11.731.5","doi-asserted-by":"publisher","DOI":"10.1038\/ng1366"},{"key":"2025100521400990000_45.11.731.6","doi-asserted-by":"publisher","DOI":"10.1038\/ng1367"},{"key":"2025100521400990000_45.11.731.7","doi-asserted-by":"crossref","first-page":"91","DOI":"10.1093\/oxfordjournals.jhered.a106545","article-title":"Luxoid - A new hereditary leg and foot abnormality in the house mouse.","volume":"46","author":"Green","year":"1955","journal-title":"J Hered"},{"key":"2025100521400990000_45.11.731.8","doi-asserted-by":"crossref","first-page":"830","DOI":"10.1002\/humu.9502","article-title":"Multigene deletions on chromosome 20q13.13\u2013q13.2 including SALL4 result in an expanded phenotype of Okihiro syndrome plus developmental delay.","volume":"28","author":"Borozdin","year":"2007","journal-title":"Hum Mutat"},{"key":"2025100521400990000_45.11.731.9","doi-asserted-by":"publisher","DOI":"10.1161\/01.STR.0000206153.92675.b9"},{"key":"2025100521400990000_45.11.731.10","doi-asserted-by":"publisher","DOI":"10.1074\/jbc.272.36.22447"},{"key":"2025100521400990000_45.11.731.11","unstructured":"Schmidt F . 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