About: Novel and Recurrent Germline and Somatic Mutations in a Cohort of 67 Patients From 48 Families With Brooke-Spiegler Syndrome Including the Phenotypic Variant of Multiple Familial Trichoepitheliomas and Correlation With the Histopathologic Findings in 379 Biopsy Specimens     Goto   Sponge   NotDistinct   Permalink

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Description
  • Brooke-Spiegler syndrome (BSS) is a rare, inherited, autosomal dominant disorder characterized by development of multiple adnexal cutaneous neoplasms including spiradenoma, cylindroma, spiradenocylindroma, and trichoepithelioma. The syndrome of multiple familial trichoepitheliomas (MFT) is considered a phenotypic variant of BSS in which patients present with trichoepitheliomas only. We studied germline and somatic mutations of the CYLD gene by direct sequencing in patients with BSS (n = 49) and MFT (n = 18) using peripheral blood and 90 samples of frozen or formalin-fixed paraffin-embedded tumor tissue selected from 379 available histology specimens. Germline CYLD mutations were found in 51 patients (76%) from 36 families (75%). Germline CYLD mutations were found in 43 of the 49 patients with BSS (88%) but in only 8 of 18 MFT cohort (44%). Twenty-one frameshift, 15 nonsense, 3 missense, and 4 splice site mutations were found in patients with BSS, whereas 1 frameshift, 5 nonsense, and 2 splice site mutations were identified in the MFT cohort. Five novel mutations were identified including 4 frameshift mutations (c.1027dupA/p.T343NfsX7, c.2155dupA/p.M719NfsX5, c.2288_2289delTT/p.F763X, and c.2641delG/p.D881TfsX32) and 1 nonsense mutation (c.2713C.T/p.Q905X). Of the 76 tumors from 32 patients with a germline CYLD mutation, 12 were spiradenomas, 15 spiradenocylindromas, 26 cylindromas, 15 trichoepitheliomas, and 7 were other tumor types. Somatic mutations were detected in 67 specimens of these 76 tumors (88%). Of the 67 somatic mutations, 21 (31%) represented a sequence alteration and 46 (69%) showed loss of heterozygosity. In the remaining 9 cases (12%), the somatic changes remained unknown. A germline CYLD mutation was not detected in 14 tumor samples from 8 patients. In these 14 tumors, somatic mutations were identified in 6 samples (43%), all consisting of sequence alterations (1 sample showed 2 different sequence alterations).
  • Brooke-Spiegler syndrome (BSS) is a rare, inherited, autosomal dominant disorder characterized by development of multiple adnexal cutaneous neoplasms including spiradenoma, cylindroma, spiradenocylindroma, and trichoepithelioma. The syndrome of multiple familial trichoepitheliomas (MFT) is considered a phenotypic variant of BSS in which patients present with trichoepitheliomas only. We studied germline and somatic mutations of the CYLD gene by direct sequencing in patients with BSS (n = 49) and MFT (n = 18) using peripheral blood and 90 samples of frozen or formalin-fixed paraffin-embedded tumor tissue selected from 379 available histology specimens. Germline CYLD mutations were found in 51 patients (76%) from 36 families (75%). Germline CYLD mutations were found in 43 of the 49 patients with BSS (88%) but in only 8 of 18 MFT cohort (44%). Twenty-one frameshift, 15 nonsense, 3 missense, and 4 splice site mutations were found in patients with BSS, whereas 1 frameshift, 5 nonsense, and 2 splice site mutations were identified in the MFT cohort. Five novel mutations were identified including 4 frameshift mutations (c.1027dupA/p.T343NfsX7, c.2155dupA/p.M719NfsX5, c.2288_2289delTT/p.F763X, and c.2641delG/p.D881TfsX32) and 1 nonsense mutation (c.2713C.T/p.Q905X). Of the 76 tumors from 32 patients with a germline CYLD mutation, 12 were spiradenomas, 15 spiradenocylindromas, 26 cylindromas, 15 trichoepitheliomas, and 7 were other tumor types. Somatic mutations were detected in 67 specimens of these 76 tumors (88%). Of the 67 somatic mutations, 21 (31%) represented a sequence alteration and 46 (69%) showed loss of heterozygosity. In the remaining 9 cases (12%), the somatic changes remained unknown. A germline CYLD mutation was not detected in 14 tumor samples from 8 patients. In these 14 tumors, somatic mutations were identified in 6 samples (43%), all consisting of sequence alterations (1 sample showed 2 different sequence alterations). (en)
Title
  • Novel and Recurrent Germline and Somatic Mutations in a Cohort of 67 Patients From 48 Families With Brooke-Spiegler Syndrome Including the Phenotypic Variant of Multiple Familial Trichoepitheliomas and Correlation With the Histopathologic Findings in 379 Biopsy Specimens
  • Novel and Recurrent Germline and Somatic Mutations in a Cohort of 67 Patients From 48 Families With Brooke-Spiegler Syndrome Including the Phenotypic Variant of Multiple Familial Trichoepitheliomas and Correlation With the Histopathologic Findings in 379 Biopsy Specimens (en)
skos:prefLabel
  • Novel and Recurrent Germline and Somatic Mutations in a Cohort of 67 Patients From 48 Families With Brooke-Spiegler Syndrome Including the Phenotypic Variant of Multiple Familial Trichoepitheliomas and Correlation With the Histopathologic Findings in 379 Biopsy Specimens
  • Novel and Recurrent Germline and Somatic Mutations in a Cohort of 67 Patients From 48 Families With Brooke-Spiegler Syndrome Including the Phenotypic Variant of Multiple Familial Trichoepitheliomas and Correlation With the Histopathologic Findings in 379 Biopsy Specimens (en)
skos:notation
  • RIV/00216208:11140/13:10138925!RIV14-MZ0-11140___
http://linked.open...avai/predkladatel
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(NS9734)
http://linked.open...iv/cisloPeriodika
  • 1
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
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  • 92339
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11140/13:10138925
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • mutations; CYLD; spiradenocylindroma; cylindroma; spiradenoma; familial cylindromatosis; multiple familial trichoepitheliomas; Brooke-Spiegler syndrome (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [7C9026136721]
http://linked.open...i/riv/nazevZdroje
  • American Journal of Dermatopathology
http://linked.open...in/vavai/riv/obor
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http://linked.open...vavai/riv/projekt
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http://linked.open...v/svazekPeriodika
  • 35
http://linked.open...iv/tvurceVysledku
  • Grossmann, Petr
  • Kacerovská, Denisa
  • Kazakov, Dmitry
  • Michal, Michal
  • Vaněček, Tomáš
  • Carlson, J. Andrew
  • Martínek, Petr
  • Emberger, Michael
  • Vazmitel, Marina
  • Spagnolo, Dominic V.
  • Cribier, Bernard
  • Pearce, Robert L.
  • Pearn, John
  • Rose, Christian
  • Šteiner, Petr
http://linked.open...ain/vavai/riv/wos
  • 000314103600010
issn
  • 0193-1091
number of pages
http://bibframe.org/vocab/doi
  • 10.1097/DAD.0b013e31824e7658
http://localhost/t...ganizacniJednotka
  • 11140
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