• Journal of Radiation Research and Radiation Processing
  • Vol. 41, Issue 3, 030303 (2023)
Yiping LI1, Yufei ZHANG1, Guangzhi SUN2, Yunyao YE1, Xiaozhou SHEN1, and Gaohua HAN1、2、*
Author Affiliations
  • 1Department of Oncology, Taizhou people’s Hospital affiliated to Nanjing Medical University, Taizhou 225300, China
  • 2Radiotherapy Center, Taizhou people’s Hospital affiliated to Nanjing Medical University, Taizhou 225300, China
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    DOI: 10.11889/j.1000-3436.2022-0122 Cite this Article
    Yiping LI, Yufei ZHANG, Guangzhi SUN, Yunyao YE, Xiaozhou SHEN, Gaohua HAN. PARPi increases radiotherapy sensitivity of esophageal squamous cell carcinoma by inhibiting XRCC1 expression[J]. Journal of Radiation Research and Radiation Processing, 2023, 41(3): 030303 Copy Citation Text show less
    Expression of XRCC1 in ESCC (SP method, ×200): (a) XRCC1 positive, with cytoplasm and nuclei, yellowish-brown particles; (b) XRCC1 negative expression
    Fig. 1. Expression of XRCC1 in ESCC (SP method, ×200): (a) XRCC1 positive, with cytoplasm and nuclei, yellowish-brown particles; (b) XRCC1 negative expression
    Expression of PARP-1 in ESCC (SP method, ×200): (a) PARP-1 positive, with cytoplasm and nuclei, yellow-brown granules; (b) PARP-1 negative expression
    Fig. 2. Expression of PARP-1 in ESCC (SP method, ×200): (a) PARP-1 positive, with cytoplasm and nuclei, yellow-brown granules; (b) PARP-1 negative expression
    Curves of viability of ECA109 cell treated with different concentrations of AZD2281 for 24 h and 48 h
    Fig. 3. Curves of viability of ECA109 cell treated with different concentrations of AZD2281 for 24 h and 48 h
    Cell survival curves
    Fig. 4. Cell survival curves
    RT-PCR analysis of XRCC1 mRNA expression
    Fig. 5. RT-PCR analysis of XRCC1 mRNA expression

    剂量 / Gy

    Dose

    接种数

    Number of cells inoculated

    放疗组集落形成数

    Number of colony formation in

    radiotherapy group

    联合组集落形成数

    Number of colony formation in

    combined treatment group

    0250225218
    2500196162
    41 000231139
    61 50018977
    Table 1. Number of colonies formed in each group
    组别 GroupknD0DqSER
    放疗组 Radiation group0.2460.6104.065-2.0091.744
    联合组 Combined treatment group0.4290.8452.331-0.393
    Table 2. Parameters obtained by fitting a single-hit multi-target model

    组别

    Group

    对照组

    Contl group

    药物组

    PARPi treated group

    辐照组

    Radiation group

    联合组

    Combined treatment group

    XRCC1mRNA表达量

    Expression level of XRCC1 mRNA

    1.2180.9411.6820.648

    XRCC1mRNA相对表达量

    Relative expression level of XRCC1 mRNA

    10.7721.3810.532
    Table 3. XRCC1mRNA relative expression in ECA109 cells of each group
    Yiping LI, Yufei ZHANG, Guangzhi SUN, Yunyao YE, Xiaozhou SHEN, Gaohua HAN. PARPi increases radiotherapy sensitivity of esophageal squamous cell carcinoma by inhibiting XRCC1 expression[J]. Journal of Radiation Research and Radiation Processing, 2023, 41(3): 030303
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