Expression of Breast Cancer Susceptibility Gene l, P53-binding Protein 1, and Mediator of DNA Damage Checkpoint 1 in Human Laryngeal Carcinoma Cells and Its Clinical Significance_West China Medical Journal

Authors：

DENG Huijuan , ZHANG Jiahui , YANG Li ,  LI Ping

Department of Head & Neck and Breast Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China;

Corresponding?author：

LI Ping, Email: 48927697@qq.com

Keywords：

喉癌; 乳腺癌易感基因1; P53結合蛋白1; DNA損傷檢測點介質1

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目的　研究人喉表皮癌細胞系Hep-2中乳腺癌易感基因1（BRCAl）、P53結合蛋白1（53BP1）和DNA損傷檢測點介質1（MDC1）的表達及臨床意義。方法　采用逆轉錄聚合酶鏈式反應檢測BRCA1、53BP1、MDC1在喉癌細胞系Hep-2中mRNA的表達，同時用免疫印跡法檢測蛋白的表達。結果　在所檢測的人喉癌細胞系Hep-2中BACR1、53BP1、MDC1在基因與蛋白兩個水平均有表達。結論　BRCA1、53BP1、MDC1可能在喉癌的發生發展中有一定作用。

Citation： DENG Huijuan,ZHANG Jiahui,YANG Li,LI Ping. Expression of Breast Cancer Susceptibility Gene l, P53-binding Protein 1, and Mediator of DNA Damage Checkpoint 1 in Human Laryngeal Carcinoma Cells and Its Clinical Significance. West China Medical Journal, 2012, 27(11): 1641-1644. doi: Copy

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7.	Su C, Zhou S, Zhang L, et al. ERCC1, RRM1 and BRCA1 mRNA expression levels and clinical outcome of advanced non-small cell lung cancer[J]. Med Oncol, 2011, 28(4): 1411-1417.
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14.	Ward IM, Minn K, Jorda KG, et al. Accumulation of checkpoint protein 53BP1 at DNA breaks involves its binding to phosphorylated histone H2AX[J]. Biol Chem, 2003, 278(22): 19579-19582.
15.	Scully R, Puget N. BRCA1 and BRCA2 in hereditary breast cancer[J]. Biochimie, 2002, 84(1): 95-102.
16.	Leongamornlert D, Mahmud N, Tymrakiewicz M, et al. Germline BRCA1 mutations increase prostate cancer risk[J]. Br J Cancer, 2012, 106(10): 1697-1701.
17.	Rosell R, Skrzypski M, Jassem E, et al. BRCA1: a novel prognostic factor in resected non-small-cell lung cancer[J]. PLoS One, 2007, 2(11): e1129.
18.	魯小敏, 茅國新, 吉浩明. BRCA1在非小細胞肺癌中的表達及其與鉑類化療敏感性的關系[J]. 實用醫學雜志, 2010, 26(19): 3526-3528.
19.	張慧文, 汪淼, 王彥蘇, 等. BRCA1基因對不同肺癌細胞放射治療敏感性的影響[J]. 蘇州大學學報(醫學版), 2011, 31(5): 698-701, 712.
20.	Mosconi M, Giesen U, Langner F, et al. 53BP1 and MDC1 foci formation in HT-1080 cells for low- and high-LET microbeam irradiations[J]. Radiat Environ Biophys, 2011, 50(3): 345-352.
21.	Yuan C, Bu Y, Wang C, et al. NFBD1/MDC1 is a protein of oncogenic potential in human cervical cancer[J]. Mol Cell Biochem, 2012, 359(1-2): 333-346.
22.	Bu Y, Suenaga Y, Okoshi R, et al. NFBD1/MDC1 participates in the regulation of G2/M transition in mammalian cells[J]. Biochem Biophys Res Commun, 2010, 397(2): 157-162.
23.	Lou Z, Chini CC, Minter-Dykhouse K, et al. Mediator of DNA damage checkpoint protein 1 regulates BRCA1 localization and phosphorylation in DNA damage checkpoint control[J]. Biol Chem, 2003, 278(16): 13599-13602.

1. 　Hall JM, Lee MK, Newman B, et al. Linkage of early-onset familial breast cancer to chromosome 17q21[J]. Science, 1990, 250(4988): 1684-1689.
2. 　Wilson KA, Stern DF. NFBD1/MDC1, 53BP1 and BRCA1 have both redundant and unique roles in the ATM pathway[J]. Cell Cycle, 2008, 7(22): 3584-3594.
3. 　Judith EC, Jennifer EQ, Caroline OM, et al. BRCA1 is both a prognostic and predictive biomarker of response to chemotherapy in sporadic epithelial ovarian cancer[J]. Gynecologic Oncology, 2011, 3(123): 492-498.
4. 　Squatrito M, Vanoli F, Schultz N, et al. 53BP1 is a haploinsufficient tumor suppressor and protects cells from radiation response in glioma[J].Cancer Res, 2012, 72(20): 5250-5260.
5. 　Patel AN, Goyal S, Wu H, et al. Mediator of DNA damage checkpoint protein 1 (MDC1) expression as a prognostic marker for nodal recurrence in early-stage breast cancer patients treated with breast-conserving surgery and radiation therapy[J]. Breast Cancer Res Treat, 2010, 126(3): 601-607.
6. 　Roossink F, Wieringa HW, Noordhuis MG, et al. The role of ATM and 53BP1 as predictive markers in cervical cancer[J]. Int J Cancer, 2012, 131(9): 2056-2066.
7. 　Su C, Zhou S, Zhang L, et al. ERCC1, RRM1 and BRCA1 mRNA expression levels and clinical outcome of advanced non-small cell lung cancer[J]. Med Oncol, 2011, 28(4): 1411-1417.
8. 　Castro E, Eeles R. The role of BRCA1 and BRCA2 in prostate cancer[J]. Asian J Androl, 2012, 14(3): 409-414.
9. 　Mullan PB, Quinn JE, Gilmore PM, et al. BRCA1 and GADD45 mediated G2/M cell cycle arrest in response to antimicrotubule agents[J]. Oncogene, 2001, 20(43): 6123-6131.
10. 　Yarden RI, Pardo-Reoyo S, Sgagias M, et al. BRCA1 regulates the G2/M checkpoint by activating Chk1 kinase upon DNA damage[J]. Nat Genet, 2002, 30(3): 285-289.
11. 　Stewart GS, Wang B, Bignell CR, et al. MDC1 is a mediator of the mammalian DNA damage checkpoint[J]. Nature, 2003, 421(6926): 961-966.
12. 　Peng A, Chen PL. NFBD1/Mdc1 mediates ATR-dependent DNA damage response[J]. Cancer Res, 2005, 65(4): 1158-1163.
13. 　Bartek J, Falck J, Lukas J. CHK2 kinase a busy messenger[J]. Nat Rev Mol Cell Biol, 2001, 2(12): 877-886.
14. 　Ward IM, Minn K, Jorda KG, et al. Accumulation of checkpoint protein 53BP1 at DNA breaks involves its binding to phosphorylated histone H2AX[J]. Biol Chem, 2003, 278(22): 19579-19582.
15. 　Scully R, Puget N. BRCA1 and BRCA2 in hereditary breast cancer[J]. Biochimie, 2002, 84(1): 95-102.
16. 　Leongamornlert D, Mahmud N, Tymrakiewicz M, et al. Germline BRCA1 mutations increase prostate cancer risk[J]. Br J Cancer, 2012, 106(10): 1697-1701.
17. 　Rosell R, Skrzypski M, Jassem E, et al. BRCA1: a novel prognostic factor in resected non-small-cell lung cancer[J]. PLoS One, 2007, 2(11): e1129.
18. 　魯小敏, 茅國新, 吉浩明. BRCA1在非小細胞肺癌中的表達及其與鉑類化療敏感性的關系[J]. 實用醫學雜志, 2010, 26(19): 3526-3528.
19. 　張慧文, 汪淼, 王彥蘇, 等. BRCA1基因對不同肺癌細胞放射治療敏感性的影響[J]. 蘇州大學學報(醫學版), 2011, 31(5): 698-701, 712.
20. 　Mosconi M, Giesen U, Langner F, et al. 53BP1 and MDC1 foci formation in HT-1080 cells for low- and high-LET microbeam irradiations[J]. Radiat Environ Biophys, 2011, 50(3): 345-352.
21. 　Yuan C, Bu Y, Wang C, et al. NFBD1/MDC1 is a protein of oncogenic potential in human cervical cancer[J]. Mol Cell Biochem, 2012, 359(1-2): 333-346.
22. 　Bu Y, Suenaga Y, Okoshi R, et al. NFBD1/MDC1 participates in the regulation of G2/M transition in mammalian cells[J]. Biochem Biophys Res Commun, 2010, 397(2): 157-162.
23. 　Lou Z, Chini CC, Minter-Dykhouse K, et al. Mediator of DNA damage checkpoint protein 1 regulates BRCA1 localization and phosphorylation in DNA damage checkpoint control[J]. Biol Chem, 2003, 278(16): 13599-13602.

West China Medical Journal

Expression of Breast Cancer Susceptibility Gene l, P53-binding Protein 1, and Mediator of DNA Damage Checkpoint 1 in Human Laryngeal Carcinoma Cells and Its Clinical Significance

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