Abstract:
:Salivary gland malignant neoplasms (SGMNs) represent a group of malignant solid tumors with heterogeneity in their cellular make-up, which causes difficulty with regard to the immunohistochemical confirmation of their cytological features. In the present study, overexpression of the pituitary tumor transforming gene (PTTG) was evaluated in human mucoepidermoid carcinoma specimens with a submaxillary salivary gland origin by immunohistochemical analysis, western blot analysis and reverse transcription quantitative polymerase chain reaction. In addition, a SGMN cell line was constructed, namely A-253 PTTG (+), which overexpressed PTTG. Subsequently, the regulatory role of PTTG in the proliferation and migration of A-253 cells was investigated. The immunohistochemical results demonstrated that there was a higher rate of PTTG-positive cells in the SGMN tissues when compared with the control submaxillary salivary gland tissues. Furthermore, PTTG expression at a mRNA and protein level was significantly higher in the SGMN specimens when compared with the control specimens. In addition, the rates of proliferation and migration of the A-253 PTTG (+) cells were significantly higher compared with the A-253 PTTG (-) cells. Therefore, PTTG was demonstrated to play an important role in SGMN cell proliferation and migration, and may subsequently be a notable marker for SGMN diagnosis and a potential target for anticancer therapy.
journal_name
Exp Ther Medjournal_title
Experimental and therapeutic medicineauthors
Liu J,Wang Y,He H,Jin W,Zheng Rdoi
10.3892/etm.2015.2566subject
Has Abstractpub_date
2015-08-01 00:00:00pages
763-768issue
2eissn
1792-0981issn
1792-1015pii
ETM-0-0-2566journal_volume
10pub_type
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