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Angiogenesis

, Volume 20, Issue 3, pp 303–306 | Cite as

A somatic GNA11 mutation is associated with extremity capillary malformation and overgrowth

  • Javier A. Couto
  • Ugur M. Ayturk
  • Dennis J. Konczyk
  • Jeremy A. Goss
  • August Y. Huang
  • Steve Hann
  • Jennifer L. Reeve
  • Marilyn G. Liang
  • Joyce Bischoff
  • Matthew L. Warman
  • Arin K. GreeneEmail author
Original Paper

Abstract

Background

Capillary malformation is a cutaneous vascular anomaly that is present at birth, darkens over time, and can cause overgrowth of tissues beneath the stain. The lesion is caused by a somatic activating mutation in GNAQ. In a previous study, we were unable to identify a GNAQ mutation in patients with a capillary malformation involving an overgrown lower extremity. We hypothesized that mutations in GNA11 or GNA14, genes closely related to GNAQ, also may cause capillary malformations.

Methods

Human capillary malformation tissue obtained from 8 patients that had tested negative for GNAQ mutations were studied. Lesions involved an extremity (n = 7) or trunk (n = 1). Droplet digital PCR (ddPCR) was used to detect GNA11 or GNA14 mutant cells (p.Arg183) in the specimens. Single molecule molecular inversion probe sequencing (smMIP-seq) was performed to search for other mutations in GNA11. Mutations were validated by subcloning and sequencing amplimers.

Results

We found a somatic GNA11 missense mutation (c.547C > T; p.Arg183Cys) in 3 patients with a diffuse capillary malformation of an extremity. Mutant allelic frequencies ranged from 0.3 to 5.0%. GNA11 or GNA14 mutations were not found in 5 affected tissues or in unaffected tissues (white blood cell DNA).

Conculsions

GNA11 mutations are associated with extremity capillary malformations causing overgrowth. Pharmacotherapy that affects GNA11 signaling may prevent the progression of capillary malformations.

Keywords

Capillary malformation GNAQ GNA11 Vascular anomaly Extremity 

Notes

Acknowledgements

Research reported in this manuscript was supported by the National Institutes of Health Award NICHD-81004 (AKG), National Institutes of Health Award NICHD-82606 (AKG), National Institutes of Health Award HL12703 (JB, AKG), National Institutes of Health Award AR-64231 (MLW), the Translational Research Program Mid-Career Award Boston Children’s Hospital (AKG), and the Translational Neuroscience Center Pilot Study Award Boston Children’s Hospital (JB, AKG). The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.

Compliance with ethical standards

Conflict of interest

The authors have no disclosures.

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Copyright information

© Springer Science+Business Media Dordrecht 2017

Authors and Affiliations

  • Javier A. Couto
    • 1
  • Ugur M. Ayturk
    • 2
  • Dennis J. Konczyk
    • 1
  • Jeremy A. Goss
    • 1
  • August Y. Huang
    • 2
  • Steve Hann
    • 2
  • Jennifer L. Reeve
    • 3
  • Marilyn G. Liang
    • 4
  • Joyce Bischoff
    • 5
  • Matthew L. Warman
    • 2
    • 6
  • Arin K. Greene
    • 1
    Email author
  1. 1.Department of Plastic and Oral Surgery, Boston Children’s Hospital Harvard Medical SchoolBostonUSA
  2. 2.Department of Orthopedic Surgery, Boston Children’s HospitalHarvard Medical SchoolBostonUSA
  3. 3.Department of DermatologyUniversity of MichiganAnn ArborUSA
  4. 4.Department of Dermatology, Boston Children’s HospitalHarvard Medical SchoolBostonUSA
  5. 5.Department of Surgery, Vascular Biology ProgramBoston Children’s HospitalBostonUSA
  6. 6.Howard Hughes Medical Institute, Boston Children’s HospitalBostonUSA

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