In papillary thyroid carcinoma BRAFV600Eis associated with increased expression of the urokinase plasminogen activator 
and its cognate receptor, but not with disease-free interval

2012 ◽  
Vol 77 (5) ◽  
pp. 780-786 ◽  
Author(s):  
Salvatore Ulisse ◽  
Enke Baldini ◽  
Salvatore Sorrenti ◽  
Susi Barollo ◽  
Natalie Prinzi ◽  
...  
2011 ◽  
Vol 96 (2) ◽  
pp. 504-508 ◽  
Author(s):  
Salvatore Ulisse ◽  
Enke Baldini ◽  
Salvatore Sorrenti ◽  
Susi Barollo ◽  
Lucio Gnessi ◽  
...  

abstract Context: The urokinase plasminogen activating system is implicated in neoplastic progression, and high tissue levels of urokinase plasminogen activating system components correlate with poor prognosis in various human cancers. Objective: The objective of the study was to investigate the prognostic relevance of the urokinase plasminogen activator (uPA), its cognate receptor (uPAR), and the plasminogen activator inhibitor 1 (PAI-1) in human papillary thyroid cancer (PTC). Design: The expression of uPA, uPAR, and PAI-1 genes was analyzed in PTC and normal matched tissues by quantitative RT-PCR. The case study consisted of 99 patients (21 males and 78 females) affected by PTC including 77 classical, 15 follicular, four tall cell, and three oncocytic variants. Forty-one patients had lymph node metastases at the time of diagnosis. All the patients underwent thyroidectomy and radioiodine therapy followed by thyroid hormone replacement therapy. Follow-up data were available for 76 patients up to 64 months. Results: The uPA, uPAR, and PAI-1 mRNA levels were significantly higher in PTC compared with normal matched tissues by 9.63 ± 1,29-, 4.82 ± 0.45-, and 5.64 ± 0.71-fold, respectively. The increased expression of uPA and uPAR correlated statistically with advanced pT and N status. The uPA was also significantly associated with advanced tumor node metastasis stages. The Kaplan-Meier analysis showed a significant association of uPA and uPAR levels with reduced patient disease-free interval (DFI), and this association was stronger in stage I patients. Conclusion: The study demonstrated that in PTC the increased gene expression of uPA and uPAR is associated with tumor invasiveness, advanced stages, and shorter DFI, suggesting their prognostic relevance. These observations warrant further investigation in larger patient populations with longer follow-up.


1998 ◽  
Vol 44 (6) ◽  
pp. 1177-1183 ◽  
Author(s):  
Michael J Duffy ◽  
Catherine Duggan ◽  
Hugh E Mulcahy ◽  
Enda W McDermott ◽  
Niall J O’Higgins

Abstract Urokinase plasminogen activator (uPA) is a serine protease causally involved in cancer invasion and metastasis. In this study, high concentrations of uPA in primary breast cancers were independently associated with both a shortened disease-free interval and overall survival. For the disease-free interval as endpoint, uPA was a stronger indicator of outcome than lymph node status, whereas for overall survival, nodal status was stronger than uPA. In patients without metastasis to axillary nodes, uPA was also an independent prognostic marker, using both the disease-free interval and overall survival as end points. In contrast to uPA, neither tumor size nor estrogen receptor status was prognostic in the node-negative patients. Measurement of uPA concentrations might thus be of value in selecting the more aggressive subpopulation of node-negative breast cancer patients that could benefit from adjuvant therapy.


2022 ◽  
Author(s):  
Rui Liu ◽  
Zhen Cao ◽  
Meng-wei Wu ◽  
Xiao-bin Li ◽  
Hong-wei Yuan ◽  
...  

Abstract Background: We aimed to build a novel model with metastasis-related genes (MTGs) signature and relevant clinical parameters for predicting progression-free interval (PFI) after surgery for papillary thyroid carcinoma (PTC).Methods: We performed a bioinformatic analysis of integrated PTC datasets with the MTGs to identify differentially expressed MTGs (DE-MTGs). Then we generated PFI-related DE-MTGs and established a novel MTGs based signature. After that, we validated the signature on multiple datasets and PTC cell lines. Further, we carried out uni- and multivariate analysis to identify independent prognostic characters. Finally, we established a signature and clinical parameters-based nomogram for predicting the PFI of PTC. Results: We identified 155 DE-MTGs related to PFI in PTC. The functional enrichment analysis showed that the DE-MTGs were associated with an essential oncogenic process. Consequently, we found a novel 10-gene signature and could distinguish patients with poorer prognoses and predicted PFI accurately. The novel signature had a C-index of 0.76 and the relevant nomogram had a C-index of 0.80. Also, it was closely related to pivotal clinical characters of datasets and invasiveness of cell lines. And the signature was confirmed a significant independent prognostic factor in PTC. Finally, we built a nomogram by including the signature and relevant clinical factors. Validation analysis showed that the nomogram's efficacy was satisfying in predicting PTC’s PFI. Conclusions: The MTG signature and nomogram were closely associated with PTC prognosis and may help clinicians improve the individualized prediction of PFI, especially for high-risk patients after surgery.


2021 ◽  
Vol 37 (2) ◽  
pp. 25-31
Author(s):  
Il Ku Kang ◽  
Kwangsoon Kim ◽  
Ja Seong Bae ◽  
Jeong Soo Kim

Background/Objectives: Although thyroid lobectomy recently is considered as sufficient for low-risk papillary thyroid carcinoma (PTC), completion thyroidectomy is required due to the insufficiency of the preoperative evaluation. The aim of this study was to investigate recurrence rate and disease free survival depending on the gross extrathyroidal extension (gETE) or the number of metastatic lymph node identified in patients with PTC.Materials & Methods: We assessed 3373 patients with PTC who underwent lobectomy at Seoul St. Mary’s Hospital (Seoul, Korea) between January 2009 and December 2014. Clinicopathological characteristics and long-term surgical outcomes were retrospectively analyzed through complete chart reviews. The mean follow-up duration was 97.1 ± 21.4 months.Results: The rate of recurrence was higher in gETE group (1.8% vs. 6.0%, p=0.004), leading to decreased disease free survival in Kaplan-Meier analysis (log-rank p<0.001). N1 group (n=1389) was analyzed into two groups whether the number of positive nodes is more than 5 or less. For the group of the more metastatic nodes, the recurrence rate higher compared to the other group (3.0% vs. 9.3%, p<0.001). DFS was longer in the group that had lesser metastatic nodes (log-rank p<0.001). However, in terms of N1 group over 1cm (n=492), No statistical difference was observed according to the number of positive lymph nodes (4.5% vs. 9.1%, p=0.092)Conclusion: When it comes to node positive PTC, Despite the number of positive lymph nodes was over 5, follow-up with no further surgery can be an option.


2021 ◽  
Author(s):  
Mahmoud Al-Masri ◽  
Tawfiq Al-Shobaki ◽  
Hani Al-Najjar ◽  
Rafal Iskanderian ◽  
Enas Younis ◽  
...  

Purpose: This study focuses on the oncologic influence of BRAF V600E mutations in a cohort of Middle Eastern PTC patients treated at a single centre. We test the association of BRAFV600E mutation with papillary thyroid carcinoma at King Hussein Cancer Center. Methods: Patients with histologically confirmed PTC who underwent surgical treatment between 2006 and 2015 were included in this study. Oncological outcomes, both short and long termed were collected. Results: A total of 128 patients (68% females) were included in this study with a mean age of 38 years (±13.8). The median follow-up period was 50 months. The BRAF V600E mutation was found in 71% of patients. The tumor size for patients with a negative BRAF V600E mutation were significantly larger in comparison to patients who tested positive for the mutation (3.47 cm versus 2.31 cm, respectively, P = 0.009). The two groups showed similar disease-free survival (DFS) rates; positive = 75% (median 43 months (0-168)) compared to 78% for the negative BRAF V600E mutation (median 38 months (3-142)) (P= 0.162, HR=0.731) Furthermore, both groups showed similar overall survival rates: positive = 94.5% (median 56 months (0-228)) compared to 94.6% for the negative BRAF V600E mutation (median 43 months (3-157)) (P = 0.941, HR= 0.940). Conclusion: BRAF V600E mutation had no effect on loco-regional recurrence, distant metastasis, overall survival or disease-free survival. These findings may be attributed to geographic variations or reflect that BRAF V600E may only serve as an indicator of poor prognosis in high risk groups.


2021 ◽  
Author(s):  
Rui Liu ◽  
Mengwei Wu ◽  
Zhen Cao ◽  
Xiaobin Li ◽  
Hongwei Yuan ◽  
...  

Abstract Background: The recurrence rate for papillary thyroid carcinoma (PTC) after surgery is high, which is a significant issue for patients regarding with low-grade malignancy. We built a novel predictive model with metastasis-related genes (MTGs) and relevant clinical parameters for predicting progression-free interval (PFI) after surgery for PTC.Methods: We performed a bioinformatic analysis of integrated PTC datasets with the MTGs to identify differentially expressed MTGs (DE-MTGs). Then we generated PFI-related DE-MTGs and established a 14-gene signature using Lasso-Penalty regression. Finally, we established a signature and clinical parameters-based nomogram for predicting the PFI of PTC . We then validated the efficacy of the signature in marking off high risk patients; the nomogram's performance in predicting PFI was also evaluated with receiver operating characteristic (ROC) curve and Harrell's concordance index (C-index).Results: We identified 155 DE-MTGs related to PFI in PTC. The functional enrichment analysis showed that the DE-MTGs were associated with important oncogenic process. Consequently, we found a novel 14-gene signature. The 14-gene signature could distinguish patients with poorer prognosis and predicted PFI accurately. The signature was a significant independent prognostic factor in PTC. Finally, we built a nomogram by including the signature and relevant clinical factors. Validation analysis showed that the nomogram’s efficacy was superior to the current clinical risk evaluating system in predicting the recurrence of PTC. Conclusions: The 14-gene signature and nomogram were closely associated with PTC prognosis and may help clinicians improve the individualized prediction of PFI, especially for high-risk patients after surgery.


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