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Research Article|Articles in Press

Large intragenic deletion of KRT14 causes autosomal-dominant epidermolysis bullosa simplex with generalized hyperpigmentation

  • Author Footnotes
    1 These authors contributed equally to this work and are joint first authors.
    Zhuoqing Gong
    Footnotes
    1 These authors contributed equally to this work and are joint first authors.
    Affiliations
    Department of Dermatology, Peking University First Hospital, National Clinical Research Center for Skin and Immune Diseases, Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, NMPA Key Laboratory for Quality Control and Evaluation of Cosmetics, Beijing 100034, China
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  • Author Footnotes
    1 These authors contributed equally to this work and are joint first authors.
    Xueke Zou
    Footnotes
    1 These authors contributed equally to this work and are joint first authors.
    Affiliations
    Department of Dermatology, Peking University First Hospital, National Clinical Research Center for Skin and Immune Diseases, Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, NMPA Key Laboratory for Quality Control and Evaluation of Cosmetics, Beijing 100034, China
    Search for articles by this author
  • Ruoning Xue
    Affiliations
    Department of Dermatology, Peking University First Hospital, National Clinical Research Center for Skin and Immune Diseases, Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, NMPA Key Laboratory for Quality Control and Evaluation of Cosmetics, Beijing 100034, China
    Search for articles by this author
  • Xuejun Zhu
    Correspondence
    Corresponding authors.
    Affiliations
    Department of Dermatology, Peking University First Hospital, National Clinical Research Center for Skin and Immune Diseases, Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, NMPA Key Laboratory for Quality Control and Evaluation of Cosmetics, Beijing 100034, China
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  • Xingyuan Jiang
    Correspondence
    Corresponding authors.
    Affiliations
    Department of Dermatology, Peking University First Hospital, National Clinical Research Center for Skin and Immune Diseases, Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, NMPA Key Laboratory for Quality Control and Evaluation of Cosmetics, Beijing 100034, China
    Search for articles by this author
  • Author Footnotes
    1 These authors contributed equally to this work and are joint first authors.
      Epidermolysis bullosa (EB) comprises a heterogeneous group of rare hereditary genodermatoses characterized by increased mucocutaneous fragility and blisters induced by mild trauma. EBS is the most common type, exhibiting skin blistering within the basal or suprabasal layer of the epidermis[
      • Khani P.
      • Ghazi F.
      • Zekri A.
      • Nasri F.
      • Behrangi E.
      • Aghdam A.M.
      • Mirzaei H.
      Keratins and epidermolysis bullosa simplex.
      ]. Up to now, more than 75% of EBS cases can be ascribed to heterozygous or homozygous variants in KRT5 (OMIM # 148040) and KRT14 (OMIM # 148066)[
      • Khani P.
      • Ghazi F.
      • Zekri A.
      • Nasri F.
      • Behrangi E.
      • Aghdam A.M.
      • Mirzaei H.
      Keratins and epidermolysis bullosa simplex.
      ]. Herein, we present two patients in a family with autosomal-dominant EBS with hyperpigmentation harboring a previously unreported heterozygous large deletion of KRT14.

      Keywords

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