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On chain, building AA wallet
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mingderwang/README.md

全基因組定序 癌症基因變異分析

分析全基因組定序(WGS)資料中,癌症易感基因的致病性突變。

基因分析結果

基因 染色體 區域(GRCh37) PASS 變異數 編碼變異 致病性
BRCA2 chr13 32,889,611–32,973,805 68 2(均為良性)
TP53 chr17 7,571,720–7,590,868 38 0
RB1 chr13 48,877,887–49,056,122 226 0
APC chr5 112,073,554–112,181,936 164 1(良性)
PTEN chr10 89,622,870–89,731,687 35 0
KRAS chr12 25,357,723–25,403,870 84 0
EGFR chr7 55,086,714–55,324,313 359 1(良性)
ATM chr11 108,093,211–108,239,829 55 1(良性)
CHEK2 chr22 29,083,731–29,138,410 108 0
PALB2 chr16 23,614,488–23,652,631 13 0

10 個基因均未偵測到致病性突變。

編碼變異明細

基因 變異位置(GRCh37) 基因型 蛋白質變化 ClinVar gnomAD AF 分類
BRCA2 chr13:32906729 A>C (rs144848) HET p.Asn372His 良性(專家小組) ~24% 常見多型性
BRCA2 chr13:32929387 T>C (rs169547) HOM p.Val2466Ala 良性 ~98% 近固定多型性
APC chr5:112176756 T>A HET p.Val2355Asp ClinVar 無收錄 可能良性
EGFR chr7:55229255 G>A HET p.Arg451Lys ClinVar 無收錄 常見 常見多型性
ATM chr11:108183167 A>G HOM p.Asn1497Ser ClinVar 無收錄 常見 常見多型性

非編碼變異摘要

基因 PASS 總數 內含子 UTR 上游/下游 同義突變 剪接鄰近
BRCA2 68 ~50 ~5 ~10 3 0
TP53 38 ~25 ~1 ~12 0 0
RB1 226 ~180 ~20 ~25 0 1
APC 164 ~120 ~5 ~35 4 0
PTEN 35 ~25 ~3 ~7 0 0
KRAS 84 ~60 ~5 ~18 1 0
EGFR 359 ~280 ~15 ~50 4 0
ATM 55 ~40 ~5 ~10 0 1
CHEK2 108 ~85 ~5 ~18 0 0
PALB2 13 ~10 ~1 ~2 0 0

分析方法

  1. 使用 awk 從 VCF 中擷取通過品質篩選(PASS)的變異
  2. 透過 Ensembl VEP REST API(GRCh37 HGVS 端點)進行功能註解
  3. 交叉比對 ClinVargnomAD,確認臨床意義

本分析為電腦運算結果,非臨床等級之變異解讀。如需做出醫療決策,請諮詢認證遺傳諮詢師或臨床基因檢驗實驗室。

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