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・中枢神経系にできる血管芽腫症例の約20%はvon Hippel-Lindau(VHL)病症例である.
・VHL病症例であっても非VHL病症例であっても,多くの血管芽腫の腫瘍検体において何らかのVHL遺伝子異常を認める.
・VHL遺伝子異常を解析するためには,directed sequencing法だけではなく,MLPA法やVHL遺伝子プロモータ領域のメチル化解析も必要である.
・血管芽腫の分子標的治療として最近,HIF2α阻害薬が有望視されている.
Hemangioblastoma(HB)is a tumor that frequently occurs in von Hippel-Lindau(VHL)disease, a hereditary tumor disease. It is a benign tumor and excision is the first choice of treatment, but in VHL disease, where HB occurs frequently, the emergence of more promising molecularly-targeted therapeutic agents has been desired. In this paper, we first explain HB and VHL disease and then outline the function of the VHL gene and the mechanism of onset of VHL disease. After that, we explain the analysis technology and frequency of VHL gene abnormalities and finally describe HIF2α inhibitors, which are promising as molecularly-targeted therapeutic agents for VHL disease. As the medical system for personalized medicine/precision medicine is being developed in Japan, it is expected that HB and VHL diseases will attract attention as target diseases in the future.
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