WFRF:(Zhu Ning)
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Expression of MMP-10 in lung cancer
- Zhang, Xiaoying (author)
- Zhu, Shaowei (author)
- Luo, Guanghua (author)
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- Zheng, Lu (author)
- Wei, Jiang (author)
- Zhu, Jiang (author)
- Mu, Qingfeng (author)
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- (creator_code:org_t)
- 2007
- 2007
- English.
- In: Anticancer research. - 1791-7530. ; 27:4C, s. 2791-2795
- Journal article (peer-reviewed)
Abstract
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- Background: Matrix metalloproteinase (MMP)-mediated degradation of the extracellular matrix is a key point in tumor development and expansion. MMP-10 is one of the most important and well-characterized members of the MMP family. In the present study, we examined MMP-10 mRNA and protein levels in non-small cell lung cancer (NSCLC). Patients and Methods: Three endogenous reference genes including GAPDH, beta-actin and 18S rRNA, and MMP-10 mRNA levels were determined using real-time RT-PCR. Immunohistochemical staining was applied to examine MMP-10 protein levels. Both tumor and adjacent normal lung tissues were collected from 32 NSCLC patients. The mRNA levels of GAPDH, beta-actin and 18S rRNA exhibited great differences in tumor tissues and in the adjacent normal tissues. The ratio of mRNA levels in the tumor tissues compared to the adjacent normal tissues followed the pattern GAPDH > beta-actin > 18S rRNA. Thereafter, we chose 18S rRNA as the reference gene for MMP-10 mRNA level determinations. MMP-10 mRNA levels in tumor tissues were significantly lower than those in the adjacent normal tissues (p = 0.0423). However, the MMP- 10 protein levels were higher in the tumor tissues than in the adjacent normal tissues (p=0.0055). The MMP-10 mRNA level was positively-correlated to the MMP-10 protein level in tumor tissues (r=0.4672, p=0.0161), but this correlation was not seen in the adjacent normal tissues (r=-0.0030, p=0.9891). Conclusion: There were no statistical differences in MMP-10 mRNA levels and protein levels in relation to patient's gender, age, tumor stages, tumor size, lymph node metastasis or tumor histological type.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Keyword
- real-time RT-PCR
- endogenous reference gene
- MMP-10
- NSCLC
- immunohistochemistry
Publication and Content Type
- art (subject category)
- ref (subject category)
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- Zhang, Xiaoying
- Zhu, Shaowei
- Luo, Guanghua
- Zheng, Lu
- Wei, Jiang
- Zhu, Jiang
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- Mu, Qingfeng
- Xu, Ning
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
- MEDICAL AND HEAL ...
- and Clinical Medicin ...
- and Cancer and Oncol ...
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- Anticancer resea ...
- By the university
- Lund University
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