Abstract：
:Cyclins and cyclin-dependent kinases regulate the cell cycle. Cyclin A has a dual role in cell proliferation. It is essential in the S phase for DNA replication, and it is also involved in G2-M-phase transition, signifying actively dividing cells. The expression of cyclin A was determined by immunohistochemistry in paraffin sections of 126 soft tissue sarcomas. The median cyclin A score was 10.8% (range, 1-54%). Cyclin A expression correlated with the S-phase fraction, Ki-67 score, G2-M phase, and grade. It did not correlate with the size of the tumor. A high cyclin A score predicted a poor metastasis-free survival (P < 0.01) and a poor disease-specific overall survival (P = 0.01). We concluded that the expression of cyclin A is a powerful prognostic factor in soft tissue sarcoma. Moreover, the cyclin A score determines the fraction of tumor cells in the S phase and the G2 phase, which are the most sensitive cell cycle phases for current modalities of cancer treatment.
journal_name
Cancer Resjournal_title
Cancer researchauthors
Huuhtanen RL,Blomqvist CP,Böhling TO,Wiklund TA,Tukiainen EJ,Virolainen M,Tribukait B,Andersson LCsubject
Has Abstractpub_date
1999-06-15 00:00:00pages
2885-90issue
12eissn
0008-5472issn
1538-7445journal_volume
59pub_type
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