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Open access

Mudan Lu, Fei Xu, Yong Wang, Yongxiang Yin, Jingying Xiang and Daozhen Chen


Background: Ovarian carcinoma represents one of the most insidious and aggressive cancers. Ovarian carcinoma is the most lethal gynecological malignancy. To discover new relevant biomarkers to increase specificity and sensitivity for early diagnosis and prognosis of ovarian cancer is important and urgently needed. FOXO3a possesses a large series function including cellular proliferation, transformation, differentiation, and longevity. Jab1 is also known as subunit 5 (CSN5) of the COP9 signalosome (CSN), a multifunctional protein complex involved in modulating signal transduction, gene transcription, and protein stability.

Objective: To investigate the importance of FOXO3a and Jab1 in ovarian cancer.

Method: Immunohistochemical analysis was performed on formalin-fixed paraffin sections of 46 specimens. Statistical analysis was conducted using the Stat View 5.0 software package.

Result: We found that Foxo3a expression correlates significantly with FIGO disease stage (p < 0.05) and lymph node involvement. Jab1 expression correlates significantly with disease stage and lymph node involvement (p < 0.05). A multivariate Cox proportional hazard model showed that Foxo3a and Jab1 were the strongest independent predictors of survival (p < 0.05), the second predictor being FIGO disease stage and lymph node involvement.

Conclusion: Understanding the precise role of Jab1 and Foxo3a in ovarian cancer progression will not only increase our knowledge of the biology of ovarian cancer but may also enable development of an novel therapeutic strategy via suppression of Jab1.

Open access

Ya-Li Liu, Yao-Zhong Ding, Jun-Fei Dai, Bing Ma, Ji-Jun He, Wei-Min Ma, Jian-Liang Lv, Xiao-Yuan Ma, Yun-Wen Ou, Jun Wang, Yong-Sheng Liu, Hui-Yun Chang, Yong-Lu Wang, Qiang Zhang, Xiang-Tao Liu, Yong-Guang Zhang and Jie Zhang



The extremely high genetic variation and the continuously emerging variants of foot-and-mouth disease virus (FMDV) of Southern African Territory (SAT) serotypes including SAT1, SAT2, and SAT3 make it necessary to develop a new RT-PCR for general use for monitoring viruses based on the updated genome information.

Material and Methods

A FMDV SAT-D8 one-step RT-PCR was established based on the 1D2A2B genes of the SAT serotype viruses with a multiplex primer set. FMDV A, O, C, and Asia 1 serotypes, other vesicular disease viruses, inactivated SAT viruses, and 125 bovine, ovine, caprine and porcine tissue samples collected from the Chinese mainland were included for evaluating the assay.


The new RT-PCR was proven to be specific without cross-reactions with Eurasian FMDV, swine vesicular disease virus (SVDV), Seneca valley virus (SVV), or other common viral pathogens of cattle, sheep, goat, and pig. An around 257 bp-sized amplicon clearly appeared when the inactivated SAT viruses were detected. However, all 125 samples collected from FMDV-susceptible animals from the Chinese mainland which has not known SAT epidemics showed negative results.


A FMDV SAT-D8 one-step RT-PCR is a promising method for primary screening for FMDV SAT serotypes.