eISSN: 1896-9151
ISSN: 1734-1922
Archives of Medical Science
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vol. 13
Basic research

Diagnostic investigations of PLA2G16 and CDH11 expression levels as independent prognostic markers of human osteosarcoma

Salman Azarsina
Babak Otoukesh
Afshin Taheriazam
Maria Kaghazian
Bahram Boddouhi
Emad Yahaghi
Peyman Kaghazian

Arch Med Sci 2017; 13, 6: 1347–1351
Online publish date: 2016/05/05
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Introduction: The aim of this study was to facilitate and deepen the understanding of the associations of the clinical significance of PLA2G16 and CDH11 in patients with osteosarcoma.

Material and methods: We collected 50 paired osteosarcoma tissues and adjacent normal bone tissues and evaluated the expression of PLA2G16 and CDH11 by quantitavise reverse transcriptase real-time polymerase chain reaction.

Results: PLA2G16 expression was upregulated in osteosarcoma tissues when compared with adjacent normal bone tissues, and the difference was statistically significant (4.78 ±0.70 vs. 1.31 ±0.65; p < 0.05). Our data indicated that high expression of PLA2G16 was significantly related to advanced TNM stage and metastasis or recurrence (p < 0.05). The expression level of CDH11 was lower in osteosarcoma tissues (median relative expression level ± SD: 6.29 ±1.43) than adjacent normal bone tissues (mean ± SD: 13.72 ±3.08, p < 0.05). Our findings demonstrated that decreased expression of CDH11 was strongly linked to advanced TNM stage, and metastasis or recurrence (p < 0.05). Log-rank analysis showed that patients with high expression of PLA2G16 have shorter overall survival than those with low expression. Moreover, shorter overall survival was significantly correlated with decreased expression of CDH11. Multivariate Cox proportional hazards analysis showed that PLA2G16 (p = 0.028; HR = 2.621; 95% CI) and CDH11 (p = 0.023; HR = 2.81; 95% CI) expression and also metastasis or recurrence (p = 0.03; HR = 2.531; 95% CI) were independent prognostic factors for poor overall survival of osteosarcoma patients.

Conclusions: These findings suggest that PLA2G16 and CDH11 expression can be independent prognostic factors for poor overall survival of patients with osteosarcoma.

PLA2G16 and CDH11, osteosarcoma, survival, clinical significance, expression

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