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Association between TP53 mutation and high 21-gene recurrence score in estrogen receptor-positive/HER2-negative breast cancer

 Jung Hwan Ji  ;  Soong June Bae  ;  Kyungsoo Kim  ;  Chihhao Chu  ;  Kyung-A Lee  ;  Yoonjung Kim  ;  Jee Hung Kim  ;  Joon Jeong  ;  Sung Gwe Ahn 
 NPJ BREAST CANCER, Vol.8(1) : 19, 2022-02 
Journal Title
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We investigated the association between TP53 mutation and 21-gene recurrence score (RS) in ER-positive/HER2-negative breast cancer (BC) using data from 141 patients who underwent TP53 sequencing and Oncotype DX® tests. We detected TP53 mutations in 18 (12.8%) patients. Most patients with TP53 mutation had a high 21-gene RS (≥26). The average 21-gene RS was higher in TP53 mutant tumors. Multivariate analysis showed that mutated TP53 is an independent factor for a high 21-gene RS. Mutated TP53 remained closely associated with high 21-gene RS in patients with low pathological risk (n = 103). In the ER+/PR+/HER2-negative subset (n = 356) of The Cancer Genome Atlas, the non-luminal A intrinsic subtype was more prevalent in the group with mutant TP53. mRNA levels of p53-regulated senescence gatekeeper and cell cycle-related genes were increased in BC with mutated TP53. Mutational analysis of TP53 helped identify endocrine-resistant tumors.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Laboratory Medicine (진단검사의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Chu, Chihhao(곡지호)
Kim, Kyungsoo(김경수)
Kim, Yoon Jung(김윤정) ORCID logo https://orcid.org/0000-0002-4370-4265
Kim, Jee Hung(김지형) ORCID logo https://orcid.org/0000-0002-9044-8540
Bae, Soong June(배숭준) ORCID logo https://orcid.org/0000-0002-0012-9694
Ahn, Sung Gwe(안성귀) ORCID logo https://orcid.org/0000-0002-8778-9686
Lee, Kyung A(이경아) ORCID logo https://orcid.org/0000-0001-5320-6705
Jeong, Joon(정준) ORCID logo https://orcid.org/0000-0003-0397-0005
Ji, Junghwan(지정환)
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