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IRF6 screening of syndromic and a priori non-syndromic cleft lip and palate patients : identification of a new type of minor VWS sign

L Desmyter, M Ghassibe, N Revencu, O Boute, M Lees, G François, C Verellen-Dumoulin, Y Sznajer, A Moncla, H Benateau, et al. (2010) MOLECULAR SYNDROMOLOGY. 1(2). p.67-74
abstract
Van der Woude syndrome (VWS), caused by dominant IRF6 mutation, is the most common cleft syndrome. In 15% of the patients, lip pits are absent and the phenotype mimics isolated clefts. Therefore, we hypothesized that some of the families classified as having non-syndromic inherited cleft lip and palate could have an IRF6 mutation. We screened in total 170 patients with cleft lip with or without cleft palate (CL/P): 75 were syndromic and 95 were a priori part of multiplex non-syndromic families. A mutation was identified in 62.7 and 3.3% of the patients, respectively. In one of the 95 a priori non-syndromic families with an autosomal dominant inheritance (family B), new insights into the family history revealed the presence, at birth, of lower lip pits in two members and the diagnosis was revised as VWS. A novel lower lip sign was observed in one individual in this family. Interestingly, a similar lower lip sign was also observed in one individual from a 2nd family (family A). This consists of 2 nodules below the lower lip on the external side. In a 3rd multiplex family (family C), a de novo mutation was identified in an a priori non-syndromic CL/P patient. Re-examination after mutation screening revealed the presence of a tiny pit-looking lesion on the inner side of the lower lip leading to a revised diagnosis of VWS. On the basis of this data, we conclude that IRF6 should be screened when any doubt rises about the normality of the lower lip and also if a non-syndromic cleft lip patient (with or without cleft palate) has a family history suggestive of autosomal dominant inheritance.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
Genetic, Cleft palate, IRF6, Non-syndromic cleft lip, PPS, VWS
journal title
MOLECULAR SYNDROMOLOGY
Mol. Syndromol.
volume
1
issue
2
pages
67 - 74
ISSN
1661-8777
DOI
10.1159/000313786
language
English
UGent publication?
yes
classification
A2
copyright statement
I have transferred the copyright for this publication to the publisher
id
1174876
handle
http://hdl.handle.net/1854/LU-1174876
date created
2011-02-28 11:35:34
date last changed
2018-05-30 11:39:57
@article{1174876,
  abstract     = {Van der Woude syndrome (VWS), caused by dominant IRF6 mutation, is the most common cleft syndrome. In 15\% of the patients, lip pits are absent and the phenotype mimics isolated clefts. Therefore, we hypothesized that some of the families classified as having non-syndromic inherited cleft lip and palate could have an IRF6 mutation. We screened in total 170 patients with cleft lip with or without cleft palate (CL/P): 75 were syndromic and 95 were a priori part of multiplex non-syndromic families. A mutation was identified in 62.7 and 3.3\% of the patients, respectively. In one of the 95 a priori non-syndromic families with an autosomal dominant inheritance (family B), new insights into the family history revealed the presence, at birth, of lower lip pits in two members and the diagnosis was revised as VWS. A novel lower lip sign was observed in one individual in this family. Interestingly, a similar lower lip sign was also observed in one individual from a 2nd family (family A). This consists of 2 nodules below the lower lip on the external side. In a 3rd multiplex family (family C), a de novo mutation was identified in an a priori non-syndromic CL/P patient. Re-examination after mutation screening revealed the presence of a tiny pit-looking lesion on the inner side of the lower lip leading to a revised diagnosis of VWS. On the basis of this data, we conclude that IRF6 should be screened when any doubt rises about the normality of the lower lip and also if a non-syndromic cleft lip patient (with or without cleft palate) has a family history suggestive of autosomal dominant inheritance.},
  author       = {Desmyter, L and Ghassibe, M and Revencu, N and Boute, O and Lees, M and Fran\c{c}ois, G and Verellen-Dumoulin, C and Sznajer, Y and Moncla, A and Benateau, H and Claes, Kathleen and Devriendt, K and Mathieu, M and Van Maldergem, L and Addor, MC and Drouin-Garraud, V and Mortier, Geert and Bouma, M and Dieux-Coeslier, A and Genevieve, D and Goldenberg, A and Makrythanasis, P and McEntagart, U and Sanchez, A and Vilain, C and Vermeer, S and Connell, F and Verheij, J and Manouvrier, S and Pierquin, G and Odent, S and Holder-Espinasse, M and Vincent-Delorme, C and Gillerot, Y and Vanwijck, R and Bayet, B and Vikkula, M},
  issn         = {1661-8777},
  journal      = {MOLECULAR SYNDROMOLOGY},
  keyword      = {Genetic,Cleft palate,IRF6,Non-syndromic cleft lip,PPS,VWS},
  language     = {eng},
  number       = {2},
  pages        = {67--74},
  title        = {IRF6 screening of syndromic and a priori non-syndromic cleft lip and palate patients : identification of a new type of minor VWS sign},
  url          = {http://dx.doi.org/10.1159/000313786},
  volume       = {1},
  year         = {2010},
}

Chicago
Desmyter, L, M Ghassibe, N Revencu, O Boute, M Lees, G François, C Verellen-Dumoulin, et al. 2010. “IRF6 Screening of Syndromic and a Priori Non-syndromic Cleft Lip and Palate Patients : Identification of a New Type of Minor VWS Sign.” Molecular Syndromology 1 (2): 67–74.
APA
Desmyter, L, Ghassibe, M., Revencu, N., Boute, O., Lees, M., François, G., Verellen-Dumoulin, C., et al. (2010). IRF6 screening of syndromic and a priori non-syndromic cleft lip and palate patients : identification of a new type of minor VWS sign. MOLECULAR SYNDROMOLOGY, 1(2), 67–74.
Vancouver
1.
Desmyter L, Ghassibe M, Revencu N, Boute O, Lees M, François G, et al. IRF6 screening of syndromic and a priori non-syndromic cleft lip and palate patients : identification of a new type of minor VWS sign. MOLECULAR SYNDROMOLOGY. 2010;1(2):67–74.
MLA
Desmyter, L, M Ghassibe, N Revencu, et al. “IRF6 Screening of Syndromic and a Priori Non-syndromic Cleft Lip and Palate Patients : Identification of a New Type of Minor VWS Sign.” MOLECULAR SYNDROMOLOGY 1.2 (2010): 67–74. Print.