scholarly journals ALDH1 and SALL4 Expression in Cell Block Samples from Patients with Lung Adenocarcinoma and Malignant Pleural Effusion

Diagnostics ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 1463
Author(s):  
Tomohiro Kanayama ◽  
Toshiaki Taniguchi ◽  
Hiroyuki Tomita ◽  
Ayumi Niwa ◽  
Kei Noguchi ◽  
...  
Keyword(s):  
Pleural Effusion ◽  
Lung Adenocarcinoma ◽  
Malignant Pleural Effusion ◽  
Cluster Formation ◽  
Cell Block ◽  
Ki 67 ◽  
Self Renewal ◽  
Number Of Clusters ◽  
Marker Expression ◽  
Cancer Tissues

Malignant pleural effusion (MPE) can accompany advanced lung adenocarcinoma. Recent studies suggest that MPE could contain a heterogeneous subpopulation of cells with stem-like properties, such as tumorigenicity and self-renewal, indicating that they could be the source of metastasis. Although previous studies analyzed the correlation between cancer stem cell (CSC) marker expression and clinical outcomes using lung cancer tissues, investigations regarding the association of MPE with CSC marker expression are limited. We performed immunohistochemistry to examine the expression of aldehyde dehydrogenase 1 (ALDH1) and Sal-like 4 (SALL4) in 46 cell block samples of MPE from patients with lung adenocarcinoma. ALDH1-positive and SALL4-positive cancer cells in MPE were detected in 30 (65.2%) and 21 samples (45.7%), respectively. Cluster formation was detected in 26 samples (56.5%). The number of clusters was significantly higher in ALDH1-positive/SALL4-negative samples. SALL4 expression was inversely correlated with the cluster ratio (r = −0.356) and positively associated with the Ki-67 index (r = 0.326), suggesting that MPE cells with high SALL4 expression comprised the proliferative subpopulation. In conclusion, we demonstrated that MPE contains an ALDH1-positive/SALL4-negative subpopulation exhibiting cluster formation and a SALL4-positive proliferative subpopulation.

scholarly journals Autocrine IL-6-induced Stat3 activation contributes to the pathogenesis of lung adenocarcinoma and malignant pleural effusion

Oncogene ◽  
2006 ◽  
Vol 25 (31) ◽  
pp. 4300-4309 ◽  
Author(s):  
H-H Yeh ◽  
W-W Lai ◽  
H H W Chen ◽  
H-S Liu ◽  
W-C Su
Keyword(s):  
Pleural Effusion ◽  
Lung Adenocarcinoma ◽  
Malignant Pleural Effusion

scholarly journals A Case of Lung Adenocarcinoma with Wild-Type EGFR Malignant Pleural Effusion Well Controlled by Treatment with Gefitinib

2012 ◽  
Vol 23 ◽  
pp. xi146
Author(s):  
Y. Ueda ◽  
T. Takahama ◽  
K. Sakai ◽  
H. Miyawaki ◽  
T. Yoshikawa ◽  
...  
Keyword(s):  
Pleural Effusion ◽  
Lung Adenocarcinoma ◽  
Malignant Pleural Effusion ◽  
Wild Type

scholarly journals The M1/M2 spectrum and plasticity of malignant pleural effusion-macrophage in advanced lung cancer

2020 ◽  
Author(s):  
Ming-Fang Wu ◽  
Chih-An Lin ◽  
Tzu-Hang Yuan ◽  
Hsiang-Yuan Yeh ◽  
Sheng-Fang Su ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Pleural Effusion ◽  
Lung Adenocarcinoma ◽  
Cancer Patients ◽  
Patient Outcomes ◽  
Malignant Pleural Effusion ◽  
Advanced Lung Cancer ◽  
Lung Cancer Patients ◽  
Anti Cancer ◽  
Cancer Activity

Abstract Background Malignant pleural effusion (MPE)-macrophage (Mφ) of lung cancer patients within unique M1/M2 spectrum showed plasticity in M1–M2 transition. The M1/M2 features of MPE-Mφ and their significance to patient outcomes need to be clarified; furthermore, whether M1-repolarization could benefit treatment remains unclear. Methods Total 147 stage-IV lung adenocarcinoma patients undergoing MPE drainage were enrolled for profiling and validation of their M1/M2 spectrum. In addition, the MPE-Mφ signature on overall patient survival was analyzed. The impact of the M1-polarization strategy of patient-derived MPE-Mφ on anti-cancer activity was examined. Results We found that MPE-Mφ expressed both traditional M1 (HLA-DRA) and M2 (CD163) markers and showed a wide range of M1/M2 spectrum. Most of the MPE-Mφ displayed diverse PD-L1 expression patterns, while the low PD-L1 expression group was correlated with higher levels of IL-10. Among these markers, we identified a novel two-gene MPE-Mφ signature, IL-1β and TGF-β1, representing the M1/M2 tendency, which showed a strong predictive power in patient outcomes in our MPE-Mφ patient cohort (N = 60, p = 0.013) and The Cancer Genome Atlas Lung Adenocarcinoma dataset (N = 478, p < 0.0001). Significantly, β-glucan worked synergistically with IFN-γ to reverse the risk signature by repolarizing the MPE-Mφ toward the M1 pattern, enhancing anti-cancer activity. Conclusions We identified MPE-Mφ on the M1/M2 spectrum and plasticity and described a two-gene M1/M2 signature that could predict the outcome of late-stage lung cancer patients. In addition, we found that “re-education” of these MPE-Mφ toward anti-cancer M1 macrophages using clinically applicable strategies may overcome tumor immune escape and benefit anti-cancer therapies.

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