The association between early‐onset cardiac events caused by neoadjuvant or adjuvant chemotherapy in triple‐negative breast cancer patients and some novel autophagy‐related polymorphisms in their genomic DNA : a real‐world study
Abstract Background An increasing number of cancer patients die of cardiovascular diseases. The cardiotoxicity of chemotherapy is particularly important in triple‐negative breast cancer (TNBC) with limited therapeutic options. Cardiac autophagy is an important mechanism of cardiotoxicity. This research was aimed to investigate the cardiotoxicity of chemotherapy in TNBC, screen the susceptible population, and determine the relationship between cardiotoxicity and autophagy‐related polymorphisms. Methods From a total of 2450 stage I‐III TNBC patients, 147 met the inclusion criteria and finally recruited. Electrocardiography (ECG) was performed before most chemotherapy cycles, and echocardiography (UCG) was performed according to clinical needs. All ECG and UCG records were re‐interpreted by cardiologists at the National Center for Cardiovascular Disease, Fuwai Hospital. According to the National Center for Biotechnology Information and the Catalog of Somatic Mutations in Cancer database, we selected 25 single nucleotide polymorphisms (SNPs) related to autophagy and genotyped the 147 TNBC patients. Paired‐sample T tests, Chi squared tests, and logistic regression models were employed for the analysis. Results Only 46 (31.3%) patients had normal ECG records after every chemotherapy cycle. Among the 16 patients who underwent UCG, 2 (12.5%) had a reversible decrease of left ventricular ejection fraction. The use of anthracyclines and excessive alcohol consumption were risk factors of ECG abnormalities. With the continuation of chemotherapy, heart rate gradually increased. Anthracyclines were associated with QRS duration abnormalities ( P= 0.043). After genotyping for 25 autophagy‐related SNPs, we found that the G allele of autophagy‐related 13 ( ATG13) rs10838611 was significantly associated with ECG abnormalities (odds ratio = 2.258, 95% confidence interval = 1.318–3.869; P= 0.003). Conclusion ECG abnormalities caused by chemotherapy are common in the real world. Autophagy‐related SNPs are associated with chemotherapy‐induced cardiotoxicity, thereby providing new evidence for autophagy as a cause of chemotherapy‐induced cardiac damage..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2018 |
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| Erschienen: |
2018 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:38 |
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| Enthalten in: |
Cancer Communications - 38(2018), 1, Seite 1-11 |
| Beteiligte Personen: |
Liu, Binliang [VerfasserIn] |
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| Anmerkungen: |
© Cancer Communications published by John Wiley & Sons Australia, Ltd on behalf of Sun Yat‐sen University Cancer Center |
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| Umfang: |
11 |
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| doi: |
10.1186/s40880-018-0343-7 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Abstract Background An increasing number of cancer patients die of cardiovascular diseases. The cardiotoxicity of chemotherapy is particularly important in triple‐negative breast cancer (TNBC) with limited therapeutic options. Cardiac autophagy is an important mechanism of cardiotoxicity. This research was aimed to investigate the cardiotoxicity of chemotherapy in TNBC, screen the susceptible population, and determine the relationship between cardiotoxicity and autophagy‐related polymorphisms. Methods From a total of 2450 stage I‐III TNBC patients, 147 met the inclusion criteria and finally recruited. Electrocardiography (ECG) was performed before most chemotherapy cycles, and echocardiography (UCG) was performed according to clinical needs. All ECG and UCG records were re‐interpreted by cardiologists at the National Center for Cardiovascular Disease, Fuwai Hospital. According to the National Center for Biotechnology Information and the Catalog of Somatic Mutations in Cancer database, we selected 25 single nucleotide polymorphisms (SNPs) related to autophagy and genotyped the 147 TNBC patients. Paired‐sample T tests, Chi squared tests, and logistic regression models were employed for the analysis. Results Only 46 (31.3%) patients had normal ECG records after every chemotherapy cycle. Among the 16 patients who underwent UCG, 2 (12.5%) had a reversible decrease of left ventricular ejection fraction. The use of anthracyclines and excessive alcohol consumption were risk factors of ECG abnormalities. With the continuation of chemotherapy, heart rate gradually increased. Anthracyclines were associated with QRS duration abnormalities ( P= 0.043). After genotyping for 25 autophagy‐related SNPs, we found that the G allele of autophagy‐related 13 ( ATG13) rs10838611 was significantly associated with ECG abnormalities (odds ratio = 2.258, 95% confidence interval = 1.318–3.869; P= 0.003). Conclusion ECG abnormalities caused by chemotherapy are common in the real world. Autophagy‐related SNPs are associated with chemotherapy‐induced cardiotoxicity, thereby providing new evidence for autophagy as a cause of chemotherapy‐induced cardiac damage. | ||
| 700 | 1 | |a An, Tao |4 aut | |
| 700 | 1 | |a Li, Meiying |4 aut | |
| 700 | 1 | |a Yi, Zongbi |4 aut | |
| 700 | 1 | |a Li, Chunxiao |4 aut | |
| 700 | 1 | |a Sun, Xiaoying |4 aut | |
| 700 | 1 | |a Guan, Xiuwen |4 aut | |
| 700 | 1 | |a Li, Lixi |4 aut | |
| 700 | 1 | |a Wang, Yanfeng |4 aut | |
| 700 | 1 | |a Zhang, Yuhui |4 aut | |
| 700 | 1 | |a Xu, Binghe |4 aut | |
| 700 | 1 | |a Ma, Fei |4 aut | |
| 700 | 1 | |a Zeng, Yixin |4 aut | |
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