Extensive molecular genetic analysis of the 3p14.3 region in patients with Zimmermann-Laband syndrome

Benjamin Abo-Dalo, Hyung Goo Kim, Melanie Roes, Margarita Stefanova, Anne Higgins, Yiping Shen, Stefan Mundlos, Bradley J. Quade, James F. Gusella, Kerstin Kutsche

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Zimmermann-Laband syndrome (ZLS) is a rare autosomal dominant inherited disorder characterized by a coarse facial appearance, gingival fibromatosis, and absence or hypoplasia of the terminal phalanges and nails of hands and feet. Additional, more variable features include hyperextensibility of joints, hepatosplenomegaly, mild hirsutism, and mental retardation. Mapping of the translocation breakpoints of t(3;8) and t(3;17) found in patients with the typical clinical features of ZLS defined a common breakpoint region of ∼280 kb located in 3p14.3, which includes the genes CACNA2D3 and WNT5A. Breakpoint cloning revealed that both translocations most likely occurred by non-homologous (illegitimate) recombination. Mutation analysis of nine genes located in 3p21.1-p14.3, including CACNA2D3, which is directly disrupted by one breakpoint of the t(3;17), identified no pathogenic mutation in eight sporadic patients with ZLS. Southern hybridization analysis and multiplex ligation-dependent probe amplification (MLPA) did not detect submicroscopic deletion or duplication in either CACNA2D3 or WNT5A in ZLS-affected individuals. Mutation analysis of nine conserved nongenic sequence elements (CNEs) in 3p21.1-p14.3, which were identified by interspecies comparison and may represent putative regulatory elements for spatiotemporally correct expression of nearby genes, did not show any sequence alteration associated with ZLS. Taken together, the lack of a specific coding-sequence lesion in the common region, defined by two translocation breakpoints, in sporadic patients with ZLS and an apparently normal karyotype suggests that either some other type of genetic defect in this vicinity or an alteration elsewhere in the genome could be responsible for ZLS.

Original languageEnglish (US)
Pages (from-to)2668-2674
Number of pages7
JournalAmerican Journal of Medical Genetics, Part A
Volume143
Issue number22
DOIs
StatePublished - Nov 15 2007

Fingerprint

Molecular Biology
Mutation
Gingival Fibromatosis
Hirsutism
Conserved Sequence
Multiplex Polymerase Chain Reaction
Nails
Zimmerman Laband syndrome
Karyotype
Intellectual Disability
Genetic Recombination
Genes
Foot
Organism Cloning
Hand
Joints
Genome
Gene Expression

Keywords

  • CACNA2D3
  • Chromosome translocation
  • Gingival hyperplasia
  • WNT5A
  • Zimmermann-Laband syndrome

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

Abo-Dalo, B., Kim, H. G., Roes, M., Stefanova, M., Higgins, A., Shen, Y., ... Kutsche, K. (2007). Extensive molecular genetic analysis of the 3p14.3 region in patients with Zimmermann-Laband syndrome. American Journal of Medical Genetics, Part A, 143(22), 2668-2674. https://doi.org/10.1002/ajmg.a.32034

Extensive molecular genetic analysis of the 3p14.3 region in patients with Zimmermann-Laband syndrome. / Abo-Dalo, Benjamin; Kim, Hyung Goo; Roes, Melanie; Stefanova, Margarita; Higgins, Anne; Shen, Yiping; Mundlos, Stefan; Quade, Bradley J.; Gusella, James F.; Kutsche, Kerstin.

In: American Journal of Medical Genetics, Part A, Vol. 143, No. 22, 15.11.2007, p. 2668-2674.

Research output: Contribution to journalArticle

Abo-Dalo, B, Kim, HG, Roes, M, Stefanova, M, Higgins, A, Shen, Y, Mundlos, S, Quade, BJ, Gusella, JF & Kutsche, K 2007, 'Extensive molecular genetic analysis of the 3p14.3 region in patients with Zimmermann-Laband syndrome', American Journal of Medical Genetics, Part A, vol. 143, no. 22, pp. 2668-2674. https://doi.org/10.1002/ajmg.a.32034
Abo-Dalo, Benjamin ; Kim, Hyung Goo ; Roes, Melanie ; Stefanova, Margarita ; Higgins, Anne ; Shen, Yiping ; Mundlos, Stefan ; Quade, Bradley J. ; Gusella, James F. ; Kutsche, Kerstin. / Extensive molecular genetic analysis of the 3p14.3 region in patients with Zimmermann-Laband syndrome. In: American Journal of Medical Genetics, Part A. 2007 ; Vol. 143, No. 22. pp. 2668-2674.
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abstract = "Zimmermann-Laband syndrome (ZLS) is a rare autosomal dominant inherited disorder characterized by a coarse facial appearance, gingival fibromatosis, and absence or hypoplasia of the terminal phalanges and nails of hands and feet. Additional, more variable features include hyperextensibility of joints, hepatosplenomegaly, mild hirsutism, and mental retardation. Mapping of the translocation breakpoints of t(3;8) and t(3;17) found in patients with the typical clinical features of ZLS defined a common breakpoint region of ∼280 kb located in 3p14.3, which includes the genes CACNA2D3 and WNT5A. Breakpoint cloning revealed that both translocations most likely occurred by non-homologous (illegitimate) recombination. Mutation analysis of nine genes located in 3p21.1-p14.3, including CACNA2D3, which is directly disrupted by one breakpoint of the t(3;17), identified no pathogenic mutation in eight sporadic patients with ZLS. Southern hybridization analysis and multiplex ligation-dependent probe amplification (MLPA) did not detect submicroscopic deletion or duplication in either CACNA2D3 or WNT5A in ZLS-affected individuals. Mutation analysis of nine conserved nongenic sequence elements (CNEs) in 3p21.1-p14.3, which were identified by interspecies comparison and may represent putative regulatory elements for spatiotemporally correct expression of nearby genes, did not show any sequence alteration associated with ZLS. Taken together, the lack of a specific coding-sequence lesion in the common region, defined by two translocation breakpoints, in sporadic patients with ZLS and an apparently normal karyotype suggests that either some other type of genetic defect in this vicinity or an alteration elsewhere in the genome could be responsible for ZLS.",
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