Polymorphisms Within DNA Double-Strand Breaks Repair-Related Genes Contribute to Structural Chromosome Abnormality in Recurrent Pregnancy Loss
Background: Structural chromosome abnormality (SCA) is an important cause of human diseases, including recurrent pregnancy loss (RPL). DNA double-strand breaks (DSBs) repair-related genes play critical roles in SCA. The present study aims to investigate the potential contribution of DSBs repair-rela...
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Frontiers Media S.A.
2021-12-01
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| Series: | Frontiers in Genetics |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fgene.2021.787718/full |
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| author | Zhenbo Cheng Zhenbo Cheng Dehua Cheng Dehua Cheng Jiancheng Li Jiancheng Li Lihuang Guo Lihuang Guo Wei Zhang Wei Zhang Conghui Zhang Conghui Zhang Yangxu Liu Yangxu Liu Yue Huang Yue Huang Keqian Xu Keqian Xu |
| author_facet | Zhenbo Cheng Zhenbo Cheng Dehua Cheng Dehua Cheng Jiancheng Li Jiancheng Li Lihuang Guo Lihuang Guo Wei Zhang Wei Zhang Conghui Zhang Conghui Zhang Yangxu Liu Yangxu Liu Yue Huang Yue Huang Keqian Xu Keqian Xu |
| author_sort | Zhenbo Cheng |
| collection | DOAJ |
| description | Background: Structural chromosome abnormality (SCA) is an important cause of human diseases, including recurrent pregnancy loss (RPL). DNA double-strand breaks (DSBs) repair-related genes play critical roles in SCA. The present study aims to investigate the potential contribution of DSBs repair-related gene polymorphisms to SCA.Methods: Fifty-four affected RPL individuals with SCA, 88 affected RPL individuals without SCA, and 84 controls were analyzed. Targeted whole-exome sequencing (WES) was used for screening single nucleotide polymorphisms in six DSBs repair-related genes (EP300, XRCC6, LIG4, XRCC4, PRKDC, and DCLRE1C), and validation was performed by Sanger sequencing. Finally, we detected the frequency of radiation-induced chromosome translocations in no SCA samples with significant polymorphisms by fluorescence in situ hybridization (FISH).Results: A total of 35 polymorphisms have been identified and confirmed. Frequencies of EP300 rs20551, XRCC6 rs132788, and LIG4 rs1805388 were significantly different between SCA RPL and no SCA RPL (p = 0.030, 0.031, and 0.040 respectively). Frequencies of those three gene polymorphisms between SCA RPL and controls also were significantly different (p = 0.017, 0.028, and 0.029 respectively). Moreover, the frequency of the G allele at rs20551 locus, the T allele at rs132788 locus and the A allele at rs1805388 locus was significantly higher in SCA RPL than no SCA RPL (OR = 3.227, p = 0.005; OR = 1.978, p = 0.008 and OR = 1.769, p = 0.036 respectively) and controls (OR = 7.130, p = 0.000; OR = 2.157, p = 0.004; OR = 2.397, p = 0.003 respectively). Additionally, the frequency of radiation-induced translocation in no SCA samples with rs20551, rs132788 or rs1805388 was significantly higher compared with the wild type samples (p = 0.015, 0.012, and 0.007 respectively).Conclusion: Our results suggest that rs20551, rs132788, and rs1805388 might be associated with the risk of SCA. Larger scales of genetic variations studies and functional experiments are necessary to further confirm these findings. |
| first_indexed | 2024-12-24T11:17:18Z |
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| last_indexed | 2024-12-24T11:17:18Z |
| publishDate | 2021-12-01 |
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| spelling | doaj.art-19a581166a924136ae8586faffb964002022-12-21T16:58:20ZengFrontiers Media S.A.Frontiers in Genetics1664-80212021-12-011210.3389/fgene.2021.787718787718Polymorphisms Within DNA Double-Strand Breaks Repair-Related Genes Contribute to Structural Chromosome Abnormality in Recurrent Pregnancy LossZhenbo Cheng0Zhenbo Cheng1Dehua Cheng2Dehua Cheng3Jiancheng Li4Jiancheng Li5Lihuang Guo6Lihuang Guo7Wei Zhang8Wei Zhang9Conghui Zhang10Conghui Zhang11Yangxu Liu12Yangxu Liu13Yue Huang14Yue Huang15Keqian Xu16Keqian Xu17Department of Laboratory Medicine, The Third Xiangya Hospital, Central South University, Changsha, ChinaDepartment of Laboratory Medicine, Xiangya School of Medicine, Central South University, Changsha, ChinaSchool of Basic Medical Science, Institute of Reproductive and Stem Cell Engineering, Central South University, Changsha, ChinaReproductive and Genetic Hospital of CITIC-Xiangya, Changsha, ChinaDepartment of Laboratory Medicine, The Third Xiangya Hospital, Central South University, Changsha, ChinaDepartment of Laboratory Medicine, Xiangya School of Medicine, Central South University, Changsha, ChinaDepartment of Laboratory Medicine, The Third Xiangya Hospital, Central South University, Changsha, ChinaDepartment of Laboratory Medicine, Xiangya School of Medicine, Central South University, Changsha, ChinaDepartment of Laboratory Medicine, The Third Xiangya Hospital, Central South University, Changsha, ChinaDepartment of Laboratory Medicine, Xiangya School of Medicine, Central South University, Changsha, ChinaDepartment of Laboratory Medicine, The Third Xiangya Hospital, Central South University, Changsha, ChinaDepartment of Laboratory Medicine, Xiangya School of Medicine, Central South University, Changsha, ChinaDepartment of Laboratory Medicine, The Third Xiangya Hospital, Central South University, Changsha, ChinaDepartment of Laboratory Medicine, Xiangya School of Medicine, Central South University, Changsha, ChinaDepartment of Laboratory Medicine, The Third Xiangya Hospital, Central South University, Changsha, ChinaDepartment of Laboratory Medicine, Xiangya School of Medicine, Central South University, Changsha, ChinaDepartment of Laboratory Medicine, The Third Xiangya Hospital, Central South University, Changsha, ChinaDepartment of Laboratory Medicine, Xiangya School of Medicine, Central South University, Changsha, ChinaBackground: Structural chromosome abnormality (SCA) is an important cause of human diseases, including recurrent pregnancy loss (RPL). DNA double-strand breaks (DSBs) repair-related genes play critical roles in SCA. The present study aims to investigate the potential contribution of DSBs repair-related gene polymorphisms to SCA.Methods: Fifty-four affected RPL individuals with SCA, 88 affected RPL individuals without SCA, and 84 controls were analyzed. Targeted whole-exome sequencing (WES) was used for screening single nucleotide polymorphisms in six DSBs repair-related genes (EP300, XRCC6, LIG4, XRCC4, PRKDC, and DCLRE1C), and validation was performed by Sanger sequencing. Finally, we detected the frequency of radiation-induced chromosome translocations in no SCA samples with significant polymorphisms by fluorescence in situ hybridization (FISH).Results: A total of 35 polymorphisms have been identified and confirmed. Frequencies of EP300 rs20551, XRCC6 rs132788, and LIG4 rs1805388 were significantly different between SCA RPL and no SCA RPL (p = 0.030, 0.031, and 0.040 respectively). Frequencies of those three gene polymorphisms between SCA RPL and controls also were significantly different (p = 0.017, 0.028, and 0.029 respectively). Moreover, the frequency of the G allele at rs20551 locus, the T allele at rs132788 locus and the A allele at rs1805388 locus was significantly higher in SCA RPL than no SCA RPL (OR = 3.227, p = 0.005; OR = 1.978, p = 0.008 and OR = 1.769, p = 0.036 respectively) and controls (OR = 7.130, p = 0.000; OR = 2.157, p = 0.004; OR = 2.397, p = 0.003 respectively). Additionally, the frequency of radiation-induced translocation in no SCA samples with rs20551, rs132788 or rs1805388 was significantly higher compared with the wild type samples (p = 0.015, 0.012, and 0.007 respectively).Conclusion: Our results suggest that rs20551, rs132788, and rs1805388 might be associated with the risk of SCA. Larger scales of genetic variations studies and functional experiments are necessary to further confirm these findings.https://www.frontiersin.org/articles/10.3389/fgene.2021.787718/fullstructural chromosome abnormalitiesgene polymorphismsDNA double-strand breaksnon-homologous end joiningEP300whole-exome sequencing |
| spellingShingle | Zhenbo Cheng Zhenbo Cheng Dehua Cheng Dehua Cheng Jiancheng Li Jiancheng Li Lihuang Guo Lihuang Guo Wei Zhang Wei Zhang Conghui Zhang Conghui Zhang Yangxu Liu Yangxu Liu Yue Huang Yue Huang Keqian Xu Keqian Xu Polymorphisms Within DNA Double-Strand Breaks Repair-Related Genes Contribute to Structural Chromosome Abnormality in Recurrent Pregnancy Loss Frontiers in Genetics structural chromosome abnormalities gene polymorphisms DNA double-strand breaks non-homologous end joining EP300 whole-exome sequencing |
| title | Polymorphisms Within DNA Double-Strand Breaks Repair-Related Genes Contribute to Structural Chromosome Abnormality in Recurrent Pregnancy Loss |
| title_full | Polymorphisms Within DNA Double-Strand Breaks Repair-Related Genes Contribute to Structural Chromosome Abnormality in Recurrent Pregnancy Loss |
| title_fullStr | Polymorphisms Within DNA Double-Strand Breaks Repair-Related Genes Contribute to Structural Chromosome Abnormality in Recurrent Pregnancy Loss |
| title_full_unstemmed | Polymorphisms Within DNA Double-Strand Breaks Repair-Related Genes Contribute to Structural Chromosome Abnormality in Recurrent Pregnancy Loss |
| title_short | Polymorphisms Within DNA Double-Strand Breaks Repair-Related Genes Contribute to Structural Chromosome Abnormality in Recurrent Pregnancy Loss |
| title_sort | polymorphisms within dna double strand breaks repair related genes contribute to structural chromosome abnormality in recurrent pregnancy loss |
| topic | structural chromosome abnormalities gene polymorphisms DNA double-strand breaks non-homologous end joining EP300 whole-exome sequencing |
| url | https://www.frontiersin.org/articles/10.3389/fgene.2021.787718/full |
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