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<p>This article presents a case of recurrent autoimmune hemolytic anemia in a child with a gain-of-function (GOF) mutation of the TLR7. This patient’s condition contrasts with the six previously documented cases of GOF mutations in the TLR7, thereby expanding the phenotypic spectrum of such mutations and enhancing clinical comprehension of childhood systemic lupus erythematosus (cSLE). The article discusses the mechanisms by which TLR7 GOF mutations can result in autoimmune hemolytic anemia, explores the influence of cytomegalovirus (CMV) infection on the disease’s development and progression, and emphasizes the therapeutic potential of hematopoietic stem cell transplantation for cases of TLR7 GOF mutations.</p>

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A case of autoimmune hemolytic anemia with acquired functional mutation of the TLR7

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月2日

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  • Yu Han,
  • Hongbo Chen,
  • Ying Li,
  • Yuhong Yin,
  • Xiuxian Zhu,
  • Xiaoyan Wu

摘要

This article presents a case of recurrent autoimmune hemolytic anemia in a child with a gain-of-function (GOF) mutation of the TLR7. This patient’s condition contrasts with the six previously documented cases of GOF mutations in the TLR7, thereby expanding the phenotypic spectrum of such mutations and enhancing clinical comprehension of childhood systemic lupus erythematosus (cSLE). The article discusses the mechanisms by which TLR7 GOF mutations can result in autoimmune hemolytic anemia, explores the influence of cytomegalovirus (CMV) infection on the disease’s development and progression, and emphasizes the therapeutic potential of hematopoietic stem cell transplantation for cases of TLR7 GOF mutations.