Expression of DNA damage repair genes, thymidylate synthase and β-tubulin Ⅲ in human osteosarcoma tissues and its relationship with clinical pathology of osteosarcoma
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Expression of DNA damage repair genes, thymidylate synthase and β-tubulin Ⅲ in human osteosarcoma tissues and its relationship with clinical pathology of osteosarcoma
Journal of Army Medical UniversityVol. 35, Issue 1, Pages: 61-65(2013)
Jiang Ping,Guan Wei,Dai Nan,Zhong Zhaoyang,Mao Chengyi,Gu Xianqing,Wang Dong.Expression of DNA damage repair genes, thymidylate synthase and β-tubulin Ⅲ in human osteosarcoma tissues and its relationship with clinical pathology of osteosarcoma[J].J Amry Med Univ (J Third Mil Med Univ),2013,35(01):61-65.
Jiang Ping,Guan Wei,Dai Nan,Zhong Zhaoyang,Mao Chengyi,Gu Xianqing,Wang Dong.Expression of DNA damage repair genes, thymidylate synthase and β-tubulin Ⅲ in human osteosarcoma tissues and its relationship with clinical pathology of osteosarcoma[J].J Amry Med Univ (J Third Mil Med Univ),2013,35(01):61-65.DOI:
Expression of DNA damage repair genes, thymidylate synthase and β-tubulin Ⅲ in human osteosarcoma tissues and its relationship with clinical pathology of osteosarcoma
Objective To explore the expression profiles of multiple chemotherapy-related markers of DNA damage repair genes and thymidylate synthase (TS) β-tubulin Ⅲ in human osteosarcoma tissues and their relationship with clinical pathology of osteosarcoma. Methods Fifty cases of osteosarcoma tissue paraffin blocks were obtained from the patients with diagnosed osteosarcoma. Tissue microarray and immunohistochemical method were applied to detect gene expression levels of OGG1
BRCA1
RRM1
XRCC1
APE1
ERCC1
TS and β-tubulin Ⅲ in the osteosarcoma tissues. Results ①OGG1
BRCA1
RRM1
XRCC1
APE1 and ERCC1 were positively expressed in osteosarcoma tissues with the positive rates of 96%
94%
94%
84%
84% and 74%
respectively
and their strongly positive rates were 64%
76%
54%
72%
48% and 2%
respectively. There were only 6 cases showed weakly positive expression of TS
and β-tubulin Ⅲ was negative in osteosarcoma tissues. ②In the positively expressed genes
only APE1 expression was correlated with osteosarcoma pathological types (P0.05). ③The results of rank correlation analysis showed that APE1 expression was positively correlated with the expression of RRM1
OGG1 and XRCC1 (P0.05
P0.01)
OGG1 expression was positively correlated with BRCA1 expression (P0.05)
RRM1 expression was positively correlated with and XRCC1 expression (P0.01)
but the expression of BRCA1 was negatively correlated with ERCC1 expression (P0.05). Conclusion Several types of DNA damage repair genes are expressed in osteosarcoma tissues
and some of their expression levels have Spearman rank correlations. The characteristics of the chemotherapy-related gene expression in osteosarcoma may have significance for individual chemotherapy in patients with osteosarcoma.
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Related Author
毕罡
毛成毅
江军
张尧
张军
龙吟
FU Wanlei
HAO Xianglin
Related Institution
Department of Pathology, Second Affiliated Hospital, Army Medical University (Third Military Medical University)
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