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Updated: Jul 24, 2026
Optimization of a Multiplex RNA-based Expression Assay Using Breast Cancer Archival Material
Published on: August 1, 2018
Combination of DYRK2 and TERT Expression Is a Powerful Predictive Marker for Early-stage Breast Cancer Recurrence
Masumi Tanaka1, Shin-Ichi Yamashita2,3, Yasuteru Yoshinaga1
1Department of General Thoracic, Breast, and Pediatric Surgery, Faculty of Medicine, Fukuoka University, Fukuoka, Japan.
Background/Aim:
DYRK2 is a dual-specificity tyrosine-(Y)-phosphorylation-regulated kinase induces degradation of telomerase reverse transcriptase (TERT). The expression of both proteins in breast cancer were investigated as predictors of recurrence.
Patients And Methods:
Two hundred and twenty-one patients with early breast cancer treated at our institute between 2000 and 2009, were included. We used immunohistochemical analyses to measure the expression of DYRK2 and TERT and correlated it with clinicopathological factors and survival.
Results:
DYRK2 and TERT were positive in 58 (26%) and 86 (39%) of 221 patients, respectively. There was no correlation between DYRK2 and TERT expression and clinicopathological factors. Better disease-free survival was observed in the DYRK2-positive group (p=0.032), and poorer disease-free survival was noted in the TERT-positive group (p=0.023). The DYRK2-positive TERT-negative group exhibited significantly better disease-free survival than the other groups (p=0.006).
Conclusion:
The combination of DYRK2 and TERT may be a powerful tool to stratify breast cancer patients.
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