Constitutional ring chromosome 11 Mosaicism in a Wilms tumor patient

Cytogenetic, molecular and clinico-pathological studies

Massimo Carella, Filippo Spreafico, Orazio Palumbo, Clelia Tiziana Storlazzi, Silvia Tabano, Monica Miozzo, Lucia Miglionico, Savino Calvano, Giulia Sindici, Beatrice Gamba, Luciana Impera, Paola Collini, Leopoldo Zelante, Paolo Radice, Daniela Perotti

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We report on a boy with three cell lines: 46,XY, r(11)(p15.5, q25)[90]/45,XY,-11 [8]/47,XY, r(11)(p15.5,q25)x2[2], with minor anomalies and mental retardation who developed asynchronous bilateral Wilms tumors (WTs). Array comparative genomic hybridization (CGH) performed on peripheral blood leukocytes of the patient led to the identification of a constitutional duplication of 4.8Mb at 11p15.5-11p15.4. This duplication was found to involve the chromosome of paternal origin, and occurred in tandem on the ring chromosome 11. Despite the constitutive duplication of the paternal 11p15 chromosome region, the patient showed no sign of Beckwith-Wiedemann syndrome. However, the molecular characterization of the two neoplasias was consistent with their independent origin and showed that they arose from the two distinct cellular clones with the ring chromosome, indicating that this anomaly is likely to have caused the patient's susceptibility to WT development.

Original languageEnglish
Pages (from-to)1756-1763
Number of pages8
JournalAmerican Journal of Medical Genetics, Part A
Volume152
Issue number7
DOIs
Publication statusPublished - 2010

Fingerprint

Ring Chromosomes
Chromosomes, Human, Pair 11
Mosaicism
Wilms Tumor
Cytogenetics
Chromosomes
Beckwith-Wiedemann Syndrome
Comparative Genomic Hybridization
Intellectual Disability
Leukocytes
Clone Cells
Cell Line
Neoplasms

Keywords

  • 11p15 duplication
  • Ring chromosome 11
  • SNPs array
  • Wilms tumor

ASJC Scopus subject areas

  • Genetics(clinical)
  • Genetics
  • Medicine(all)

Cite this

Constitutional ring chromosome 11 Mosaicism in a Wilms tumor patient : Cytogenetic, molecular and clinico-pathological studies. / Carella, Massimo; Spreafico, Filippo; Palumbo, Orazio; Storlazzi, Clelia Tiziana; Tabano, Silvia; Miozzo, Monica; Miglionico, Lucia; Calvano, Savino; Sindici, Giulia; Gamba, Beatrice; Impera, Luciana; Collini, Paola; Zelante, Leopoldo; Radice, Paolo; Perotti, Daniela.

In: American Journal of Medical Genetics, Part A, Vol. 152, No. 7, 2010, p. 1756-1763.

Research output: Contribution to journalArticle

Carella, Massimo ; Spreafico, Filippo ; Palumbo, Orazio ; Storlazzi, Clelia Tiziana ; Tabano, Silvia ; Miozzo, Monica ; Miglionico, Lucia ; Calvano, Savino ; Sindici, Giulia ; Gamba, Beatrice ; Impera, Luciana ; Collini, Paola ; Zelante, Leopoldo ; Radice, Paolo ; Perotti, Daniela. / Constitutional ring chromosome 11 Mosaicism in a Wilms tumor patient : Cytogenetic, molecular and clinico-pathological studies. In: American Journal of Medical Genetics, Part A. 2010 ; Vol. 152, No. 7. pp. 1756-1763.
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AU - Gamba, Beatrice

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