Prognostic value of blood-borne epithelium-derived c-erbB2 oncoprotein-positive clustered cells from the peripheral blood of breast cancer patients

2005 ◽  
Vol 23 (16_suppl) ◽  
pp. 9625-9625
Author(s):  
P. Wülfing ◽  
J. Borchard ◽  
S. Heidl ◽  
K. S. Zänker ◽  
L. Kiesel ◽  
...  
2018 ◽  
Vol 4 (Supplement 2) ◽  
pp. 207s-207s
Author(s):  
C. Liu ◽  
Y. Yu ◽  
Y. Sun ◽  
D. Guo ◽  
B. Sun ◽  
...  

Background: The clinical significance of programmed cell death 1 (PD-1) and cytotoxic T lymphocyte-associated protein 4 (CTLA-4) expression on tumor infiltrating lymphocytes in breast cancer patients has been confirmed, while that of peripheral blood cells derived immune molecules remain unclear. Aim: We aimed to investigate the clinical importance of immune molecules, including PD-1 and CTLA-4, expression in peripheral blood cells of breast cancer patients, especially in terms of the relationship between immune molecules and estrogen receptor (ER)/progesterone receptor (PR) status, as well as their prognostic values. Methods: We enrolled 109 breast cancer patients, including 52 cases before surgery and neoadjuvant treatment (PreS group), 18 cases postsurgery and adjuvant chemoradiotherapy (PostS group), 39 metastatic cases presalvage treatment (Met group), and 21 age- and sex-matched healthy volunteers). The mRNA abundance of PD-1, CTLA-4, IL-2 receptor alpha (IL-2Rα), and cluster of differentiation 28 (CD28), forkhead box P3 (FOXP3), transforming growth factor beta (TGF-β), and interleukin-10 (IL-10) in pretreatment peripheral blood were analyzed by quantitative real-time PCR. Results: ER+ breast cancer patients showed significant higher mRNA levels of PD-1, CTLA-4, IL-2Rα, and CD28 with fold changes of 10.8, 2.4, 5.0, and 3.8, respectively ( P < 0.05) than that of ER− cases. Similarly, PR+ patients showed increased levels of PD-1, CTLA-4, and CD28 with fold changes of 6.7, 2.0, and 2.5, respectively ( P < 0.05) comparing to that of PR− cases. Patients in PreS group and Met group showed higher mRNA levels of PD-1, CTLA-4, IL-2Rα, CD28, FOXP3, TGF-β, and IL-10 than PostS group and healthy volunteers. Univariable analysis revealed that high PD-1 expression was associated with poorer progression-free survival (PFS) in metastatic breast cancer patients (5.9 vs 14.6 months, HR: 2.47, 95% CI: 1.22-5.02, P = 0.046). Meanwhile, the prognostic value of PD-1 was remained in multivariate analyses (HR: 2.22, 95% CI: 1.04-4.73, P = 0.039). Conclusion: Increased PD-1, CTLA-4, and CD28 mRNA abundance were showed in breast cancer patients and ER+/PR+ cases, which may provide the rationale for combining checkpoint inhibitors with endocrine therapy for breast cancer treatment. Furthermore, PD-1 is a promising prognostic biomarker for metastatic breast cancer.


2001 ◽  
Vol 66 (3) ◽  
pp. 249-254 ◽  
Author(s):  
Ana Rita Manhani ◽  
Reinaldo Manhani ◽  
Heloisa P. Soares ◽  
Israel Bendit ◽  
Fabiana Lopes ◽  
...  

2016 ◽  
Vol 160 (4) ◽  
pp. 592-592
Author(s):  
E. O. Ostapchuk ◽  
Yu. V. Perfil’eva ◽  
Sh. Zh. Talaeva ◽  
N. A. Omarbaeva ◽  
N. N. Belyaev

2006 ◽  
Vol 17 (3) ◽  
pp. 424-428 ◽  
Author(s):  
L. Mercatali ◽  
V. Valenti ◽  
D. Calistri ◽  
S. Calpona ◽  
G. Rosti ◽  
...  

2011 ◽  
Vol 47 ◽  
pp. S333
Author(s):  
M. Riaz ◽  
A. Sieuwerts ◽  
M. Look ◽  
M. Smid ◽  
J. Foekens ◽  
...  

2009 ◽  
Vol 24 (1) ◽  
pp. 1-10 ◽  
Author(s):  
Raquel A. Nunes ◽  
Xiaochun Li ◽  
Soonmo Peter Kang ◽  
Harold Burstein ◽  
Lisa Roberts ◽  
...  

The detection of circulating tumor cells (CTCs) in peripheral blood may have important prognostic and predictive implications in breast cancer treatment. A limitation in this field has been the lack of a validated method of accurately measuring CTCs. While sensitivity has improved using RT-PCR, specificity remains a major challenge. The goal of this paper is to present a sensitive and specific methodology of detecting CTCs in women with HER-2-positive metastatic breast cancer, and to examine its role as a marker that tracks disease response during treatment with trastuzumab-containing regimens. The study included patients with HER-2-positive metastatic breast cancer enrolled on two different clinical protocols using a trastuzumab-containing regimen. Serial CTCs were measured at planned time points and clinical correlations were made. Immunomagnetic selection of circulating epithelial cells was used to address the specificity of tumor cell detection using cytokeratin 19 (CK19). In addition, the extracellular domain of the HER-2 protein (HER-2/ECD) was measured to determine if CTCs detected by CK19 accurately reflect tumor burden. The presence of CTCs at first restaging was associated with disease progression. We observed an association between CK19 and HER-2/ECD. The association of HER-2/ECD with clinical response followed a similar pattern to that seen with CK19. Finally, the absence of HER-2/ECD at best overall response and a change of HER-2/ECD from positive at baseline to negative at best overall response was associated with favorable treatment response. Our study supports the prognostic and predictive role of the detection of CTCs in treatment of HER-2-positive metastatic breast cancer patients. The association between CK19 and markers of disease burden is in line with the concept that CTCs may be a reliable measure of tumor cells in the peripheral blood of patients with metastatic breast cancer. The association of CTCs at first restaging with treatment failure indicates that CTCs may have a role as surrogate markers to monitor treatment response.


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