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Chinese Journal of Stomatological Research(Electronic Edition) ›› 2015, Vol. 09 ›› Issue (04): 272-276. doi: 10.3877/cma.j.issn.1674-1366.2015.04.003

Special Issue:

• Basic Science Research • Previous Articles     Next Articles

Expression of focal adhesion kinase and vascular endothelial growth factor in salivary adenoid cystic carcinoma and their significances

Pan Gong1, Kexiong Ou-Yang2, Kai Chen3, Yanhao Kuang4, Jinsong Li5,()   

  1. 1. Department of Stomatology, the Cancer Center of Guangzhou Medical University, Guangzhou 510095, China
    2. Department of Oral and Maxillofacial Surgery, Stomatology Hospital of Guangzhou Medical University, Guangzhou 510140, China
    3. Department of Stomatology, the First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510080, China
    5. Department of Oral and Maxillofacial Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
  • Received:2015-05-07 Online:2015-08-01 Published:2015-08-01
  • Contact: Jinsong Li
  • About author:
    Corresponding author: Li Jinsong, Email:

Abstract:

Objective

To investigate the expression of focal adhesion kinase(FAK)and vascular endothelial growth factor(VEGF)in salivary adenoid cystic carcinoma(SACC)and their significances.

Methods

The expressions of FAK, VEGF and CD34 in 40 cases of SACC and 15 cases of normal salivary gland tissue were detected with immunohistochemical method. SPSS 19.0 software was used for Mann-Whitney U, Chi-square test, Fisher′s exact test and correlation analysis.

Results

The expression of FAK was seen in 87.5% of SACC and 33.33% in the control group, Z=-4.44, P=0.001; The expression of VEGF was 90% and 26.67% respectively, Z=-4.84, P=0.001; The expression of CD34 was 85% and 40% respectively, Z=-4.18, P=0.002. The differences were significant(P < 0.05). The expression of FAK and VEGF in SACC was associated with tumor angiogenesis(FFAK=8.86、PFAK=0.01; FVEGF=8.18、PVEGF=0.01). The expression of FAK and VEGF was significantly associated with clinical stage and metastasis in the samples(P < 0.05), but did not correlate with sex, age, tumor diameter and pathological grade(P > 0.05). The expression of FAK was positively correlated with the expression of VEGF. The coefficient of correlation was 0.479, P=0.002.

Conclusion

The expression of FAK and VEGF is significantly associated with tumor clinical stage clinical stage and metastasis.

Key words: Salivary adenoid cystic carcinoma, Metastasis, Focal adhesion kinase, Vascular endothelial growth factor, Microvessel density

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