{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T16:16:44Z","timestamp":1787242604821,"version":"build-2736575974"},"reference-count":22,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2006,5,12]],"date-time":"2006-05-12T00:00:00Z","timestamp":1147392000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Immunology"],"published-print":{"date-parts":[[2006,6]]},"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:p>Different genetic mutations have been described in complement components resulting in total or subtotal deficiency states. In this work we report the genetic basis of C7 deficiency in a previously reported Spanish patient exhibiting a combined total deficiency of C7 and C4B associated with systemic lupus erythematosus. Exon\u2010specific polymerase chain reaction and sequencing revealed a not previously described single base mutation in exon 10 (T1458A) leading to a stop codon that causes the premature truncation of the C7 protein (C464X). Additionally, a C to A transversion at position 1561 (exon 11) was found in the patient resulting in an amino acid change (R499S). This latter mutation has been previously reported in individuals with subtotal C7 deficiency or with combined subtotal C6\/C7 deficiency from widely spaced geographical areas. Another novel mutation was found in a second patient with meningococcal meningitis of Bolivian and Czech origin; a 11\u2010base pair deletion of nucleotides 631\u2013641 in exon 6 leading to the generation of a downstream stop codon causing the premature truncation of the C7 protein product (T189\u2003\u00d7\u2003193). This patient was found to be a heterozygous compound for another mutation in C7; a two\u2010base pair deletion of nucleotides 1922 and 1923, 1923 and 1924 or 1924 and 1925 in exon 14 (1922delAG\/1923delGA\/1924delAG), leading again to the generation of a downstream stop codon that provokes the truncation of the C7 protein (S620\u00d7630). This latter mutation has been recently reported by our group in another Spanish family. Our results provide more evidences for the heterogeneous molecular basis of C7 deficiency.<\/jats:p>","DOI":"10.1111\/j.1365-2567.2006.02364.x","type":"journal-article","created":{"date-parts":[[2006,5,12]],"date-time":"2006-05-12T11:19:04Z","timestamp":1147432744000},"page":"257-260","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Molecular defects of the C7 gene in two patients with complement C7 deficiency"],"prefix":"10.1111","volume":"118","author":[{"given":"Sonia","family":"Barroso","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Claudine","family":"Rieubland","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antonia","family":"Jos\u00e9\u00c1lvarez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Margarita","family":"L\u00f3pez\u2010Trascasa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pierre\u2010Alexandre","family":"Bart","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antonio","family":"N\u00fa\u00f1ez\u2010Rold\u00e1n","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Berta","family":"S\u00e1nchez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2006,5,12]]},"reference":[{"key":"e_1_2_6_2_2","doi-asserted-by":"crossref","first-page":"243","DOI":"10.1097\/00005792-198409000-00001","article-title":"Complement deficiency states and infection: epidemiology, pathogenesis and consequences of neisserial and other infections in an immune deficiency","volume":"61","author":"Ross SC","year":"1984","journal-title":"Medicine"},{"key":"e_1_2_6_3_2","doi-asserted-by":"publisher","DOI":"10.1093\/infdis\/160.3.448"},{"key":"e_1_2_6_4_2","doi-asserted-by":"publisher","DOI":"10.1002\/art.1780240114"},{"key":"e_1_2_6_5_2","doi-asserted-by":"publisher","DOI":"10.1159\/000463077"},{"key":"e_1_2_6_6_2","doi-asserted-by":"crossref","first-page":"1019","DOI":"10.4049\/jimmunol.159.2.1019","article-title":"Molecular basis of C7 deficiency. 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