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Yun S, Kim K, Shin K, Park H, Lee S, Shin Y, Paing AS, Choi S, Lim C. Effect of Sevoflurane on the Proliferation of A549 Lung Cancer Cells. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:medicina59030613. [PMID: 36984614 PMCID: PMC10054785 DOI: 10.3390/medicina59030613] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/12/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023]
Abstract
Background and Objectives: Sevoflurane has opposing effects on cancer progression, depending on its concentration and the cancer type. This study investigated the effects of sevoflurane on the proliferation of A549 lung cancer cells. Materials and Methods: In vitro, the number of A549 cells exposed to different concentrations of sevoflurane was counted. The size and weight of tumors from a xenograft mouse model exposed to air or sevoflurane were measured in vivo experiments. Additionally, hematoxylin and eosin staining and immunohistochemical detection of Ki-67 in the harvested tumor tissues were performed. Results: A total of 72 culture dishes were used and 24 dishes were assigned to each group: Air group; 2% Sevo group (air + 2% sevoflurane); and 4% Sevo group (air + 4% sevoflurane). The number of A549 cells in the 2% Sevo group was less than that in the Air and 4% Sevo groups (Air: 7.9 ± 0.5; 0.5, 2% Sevo: 6.8 ± 0.4, 4% Sevo: 8.1 ± 0.3; p = 0.000). The tumor size was not significantly different between the two groups (Air: 1.5 ± 0.7, 2% Sevo: 2.4 ± 1.9; p = 0.380). Conclusions: The in vitro data showed that sevoflurane inhibited the proliferation of A549 lung cancer cells in a concentration-specific manner. However, the in vivo data showed no correlation between sevoflurane exposure and A549 cell proliferation. Thus, further research is required to understand fully the effects of sevoflurane on cancer progression and to reconcile differences between the in vitro and in vivo experimental results.
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Affiliation(s)
- Sangwon Yun
- Department of Anesthesiology and Pain Medicine, Chungnam National University College of Medicine, Daejeon 35015, Republic of Korea
| | - Kyongsik Kim
- Department of Anesthesiology and Pain Medicine, Chungnam National University College of Medicine, Daejeon 35015, Republic of Korea
- Department of Anesthesiology and Pain Medicine, Chungnam National University Sejong Hospital, Sejong 30099, Republic of Korea
| | - Keuna Shin
- Research Institute for Medical Sciences, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Hanmi Park
- Department of Anesthesiology and Pain Medicine, Chungnam National University Hospital, Daejeon 35015, Republic of Korea
| | - Sunyeul Lee
- Department of Anesthesiology and Pain Medicine, Chungnam National University College of Medicine, Daejeon 35015, Republic of Korea
- Department of Anesthesiology and Pain Medicine, Chungnam National University Hospital, Daejeon 35015, Republic of Korea
| | - Yongsup Shin
- Department of Anesthesiology and Pain Medicine, Chungnam National University College of Medicine, Daejeon 35015, Republic of Korea
- Department of Anesthesiology and Pain Medicine, Chungnam National University Hospital, Daejeon 35015, Republic of Korea
| | - Aung Soe Paing
- Department of Surgery, 1000 Bedded Naypyitaw General Hospital, Naypyitaw 15011, Myanmar
| | - Songyi Choi
- Department of Pathology, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Chaeseong Lim
- Department of Anesthesiology and Pain Medicine, Chungnam National University College of Medicine, Daejeon 35015, Republic of Korea
- Research Institute for Medical Sciences, Chungnam National University, Daejeon 35015, Republic of Korea
- Department of Anesthesiology and Pain Medicine, Chungnam National University Hospital, Daejeon 35015, Republic of Korea
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Yang Y, Zhang L, Wang T, Jiang Z, Li Q, Wu Y, Cai Z, Chen X. MRI Fat‐Saturated T2‐Weighted
Radiomics Model for Identifying the Ki‐67 Index of Soft Tissue Sarcomas. J Magn Reson Imaging 2022. [DOI: 10.1002/jmri.28518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 10/20/2022] [Accepted: 10/21/2022] [Indexed: 11/06/2022] Open
Affiliation(s)
- Yang Yang
- Department of Radiology Hospital of Chengdu University of Traditional Chinese Medicine Chengdu People's Republic of China
| | - Liyuan Zhang
- Department of Plastic Surgery Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China Chengdu People's Republic of China
| | - Ting Wang
- Department of Plastic Surgery The First People's Hospital of Yibin Yibin People's Republic of China
| | - Zhiyuan Jiang
- Department of Plastic Surgery Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China Chengdu People's Republic of China
| | - Qingqing Li
- Department of Plastic Surgery Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China Chengdu People's Republic of China
| | - Yinghua Wu
- Department of Radiology Hospital of Chengdu University of Traditional Chinese Medicine Chengdu People's Republic of China
| | - Zhen Cai
- Department of Plastic Surgery Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China Chengdu People's Republic of China
| | - Xi Chen
- Sichuan College of Traditional Chinese Medicine Mianyang People's Republic of China
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Wu N, Cao QW, Wang CN, Hu HG, Shi H, Deng K. Association between quantitative spectral CT parameters, Ki-67 expression, and invasiveness in lung adenocarcinoma manifesting as ground-glass nodules. Acta Radiol 2022; 64:1400-1409. [PMID: 36131377 DOI: 10.1177/02841851221128213] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
BACKGROUND Few studies about lung ground-glass nodules (GGNs) have been done using non-enhancement spectral computed tomography (CT) imaging. PURPOSE To examine the association between spectral CT parameters, Ki-67 expression, and invasiveness in lung adenocarcinoma manifesting as GGNs. MATERIAL AND METHODS Spectral CT parameters were analyzed in 106 patients with lung GGNs. The Ki-67 labeling index (Ki-67 LI) was measured, and patients were divided into low expression and high expression groups according to the number of positive-stained cells (low expression ≤10%; high expression >10%). Spectral CT parameters were compared between low and high expression groups. The correlation between spectral CT parameters and Ki-67 LI was estimated by Spearman correlation analysis. Cases were divided into a preinvasive and minimally invasive adenocarcinoma (MIA) group (atypical adenomatous hyperplasia, adenocarcinoma in situ, and MIA) and invasive adenocarcinoma (IA) group. Spectral CT parameters were compared between the two groups. The diagnostic performance was evaluated using receiver operating characteristic analysis. RESULTS There were significant differences in water concentration of lesions (WCL) and monochromatic CT values between the low and high expression groups. CT 40 keV had the highest correlation coefficient with Ki-67 LI. WCL and monochromatic CT values were significantly higher in the IA group than in the pre/MIA group. The value of area under the curve of CT 40 keV was 0.946 (95% confidence interval=0.905-0.988) for differentiating the two groups; the cutoff was -280.66 Hu. CONCLUSION Spectral CT is an effective non-invasive method for the prediction of proliferation and invasiveness in lung adenocarcinoma manifesting as GGNs.
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Affiliation(s)
- Nan Wu
- Shandong Provincial Qianfoshan Hospital, 159393Shandong University, Jinan, PR China
| | - Qi-Wei Cao
- Department of Pathology, 66310The First Affiliated Hospital of Shandong First Medical University, Jinan, PR China
| | - Chao-Nan Wang
- Department of Cardiology, 66310The Affiliated Hospital of Shandong University of TCM, Jinan, PR China
| | - Hong-Guang Hu
- Department of Radiology, 66310The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, PR China
| | - Hao Shi
- Shandong Provincial Qianfoshan Hospital, 159393Shandong University, Jinan, PR China
| | - Kai Deng
- Department of Radiology, 66310The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, PR China
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4
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Atari M, Imai K, Nanjo H, Wakamatsu Y, Takashima S, Kurihara N, Kuriyama S, Suzuki H, Demura R, Harata Y, Hiroshima Y, Sato Y, Nomura K, Minamiya Y. Rapid intraoperative Ki-67 immunohistochemistry for lung cancer using non-contact alternating current electric field mixing. Lung Cancer 2022; 173:75-82. [PMID: 36156324 DOI: 10.1016/j.lungcan.2022.09.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/07/2022] [Accepted: 09/08/2022] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Locoregional recurrence of non-small cell lung cancer (NSCLC) occurs even among patients with stage I disease, as a result of tumor proliferative activity. The aim of this study was to evaluate the clinical reliability of a new rapid immunohistochemistry (IHC) technique for assessing malignant potential through detection of tumoral Ki-67 expression. MATERIALS AND METHODS The rapid IHC method uses non-contact alternating current (AC) mixing to achieve more rapid/stable staining within 20 min during surgery. First, to investigate the association between clinical outcomes and tumoral Ki-67 labeling with rapid IHC, 21 pairs of surgical patients treated between 2012 and 2020 for pStage IA1-3 NSCLC with/without recurrence were retrospectively reviewed. Second, 40 frozen section (FS) samples in patients with NSCLC for whom radical surgery was planned between April 2021 and February 2022 were deemed eligible for comparison of the clinical performance of conventional IHC and intraoperative rapid Ki-67 IHC with FS. RESULTS Detection of tumoral Ki-67 expression using rapid IHC with formalin-fixed, paraffin-embedded (FFPE) blocks was significantly associated with clinical outcomes in R0 pStage IA NSCLC surgical patients, including overall and recurrence-free survival (P = 0.0043 and P < 0.0001, respectively). Levels of Ki-67 expression among resectable NSCLC patients detected using rapid IHC with FS significantly correlated with those detected using conventional FFPE-IHC (p < 0.001). An intraoperative cut-off of > 7.5 % tumor cell Ki-67 positivity accurately predicted pathological stage more advanced than IA3 [P = 0.0185, Odds ratio = 20.477, 95 % confidence interval (CI): 1.660-252.55]. CONCLUSION Rapid Ki-67 IHC with AC mixing could potentially serve as a clinical tool for intraoperative determination of tumor malignancy status. The present study suggests that segmentectomy for early small NSCLCs is oncologically safe and a reasonable alternative to lobectomy, but only when there is adequate intraoperative selection for primary tumors with low-grade malignancy, which could be verified using intraoperative rapid Ki-67 IHC with FS.
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Affiliation(s)
- Maiko Atari
- Department of Thoracic Surgery, Akita University Graduate School of Medicine, Japan
| | - Kazuhiro Imai
- Department of Thoracic Surgery, Akita University Graduate School of Medicine, Japan.
| | - Hiroshi Nanjo
- Department of Pathology, Akita University Graduate School of Medicine, Japan
| | - Yuki Wakamatsu
- Department of Thoracic Surgery, Akita University Graduate School of Medicine, Japan
| | - Shinogu Takashima
- Department of Thoracic Surgery, Akita University Graduate School of Medicine, Japan
| | - Nobuyasu Kurihara
- Department of Thoracic Surgery, Akita University Graduate School of Medicine, Japan
| | - Shoji Kuriyama
- Department of Thoracic Surgery, Akita University Graduate School of Medicine, Japan
| | - Haruka Suzuki
- Department of Thoracic Surgery, Akita University Graduate School of Medicine, Japan
| | - Ryo Demura
- Department of Thoracic Surgery, Akita University Graduate School of Medicine, Japan
| | - Yuzu Harata
- Department of Thoracic Surgery, Akita University Graduate School of Medicine, Japan
| | - Yuko Hiroshima
- Department of Pathology, Akita University Graduate School of Medicine, Japan
| | - Yusuke Sato
- Department of Thoracic Surgery, Akita University Graduate School of Medicine, Japan
| | - Kyoko Nomura
- Department of Health Environmental Science and Public Health, Akita University Graduate School of Medicine, Japan
| | - Yoshihiro Minamiya
- Department of Thoracic Surgery, Akita University Graduate School of Medicine, Japan
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Wu CF, Wu CY, Lin CF, Liu YW, Lin TC, Liao HJ, Chang GR. The anticancer effects of cyanidin 3-O-glucoside combined with 5-fluorouracil on lung large-cell carcinoma in nude mice. Biomed Pharmacother 2022; 151:113128. [PMID: 35609368 DOI: 10.1016/j.biopha.2022.113128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/11/2022] [Accepted: 05/13/2022] [Indexed: 11/16/2022] Open
Abstract
The haskap (Lonicera caerulea L., Caprifoliaceae) berry has been widely used in traditional medicine in Kuril Islands, Russia, Japan, and China. Cyanidin-3-O-glucoside (C3G) is the most abundant anthocyanin in haskap berries, and C3G induces antiproliferative pharmacological activity in various cancer cells. However, no study has investigated its anti-lung large-cell carcinoma (LCC) pharmacological role. Therefore, this study determined whether C3G alone or C3G combined with 5-fluorouracil (5-FU) inhibits human lung LCC. We determined the tumor growth, apoptosis, inflammation, and metastasis in the H661 lung LCC lines xenografted into BALB/c nude mice. The mice were administered saline (control), 5-FU, C3G, or both C3G and 5-FU. Relative to the control mice, those treated with C3G alone or both C3G and 5-FU exhibited impaired tumor growth; increased tumor apoptosis; decreased inflammatory cytokine levels (e.g., IL-1β, TNF-α, C-reactive protein, and IL-6); decreased inflammation-related factors, including cyclooxygenase-2 protein and nuclear factor-κB (NF-κB) mRNA; increased inhibition of NF-κB kinase α mRNA; and downregulated metastasis-related factors, such as transforming growth factor-β, CD44, epidermal growth factor receptor, and vascular endothelial growth factor. In addition, C3G alone or combined with 5-FU affected the expression of the tumor microenvironment-related factors Ki67, CD45, PDL1, and CD73. Compared with the mice treated with 5-FU or C3G alone, those treated with both C3G and 5-FU exhibited significantly impaired tumor growth, decreased tumor sizes, and increased tumor inhibition. This in vivo study demonstrated that C3G alone or combined with 5-FU may impair the growth of lung LCC and inhibit tumorigenesis. The findings indicate that C3G alone or C3G combined with 5-FU may be beneficial for treating human lung LCC.
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Affiliation(s)
- Ching-Feng Wu
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital, Linkou, 5 Fuxing Street, Guishan District, Taoyuan 33305, Taiwan; Department of Medicine, College of Medicine, Chang Gung University, Guishan, 259 Wenhua 1st Road, Taoyuan 33302, Taiwan.
| | - Ching-Yang Wu
- Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital, Linkou, 5 Fuxing Street, Guishan District, Taoyuan 33305, Taiwan; Department of Medicine, College of Medicine, Chang Gung University, Guishan, 259 Wenhua 1st Road, Taoyuan 33302, Taiwan.
| | - Chuen-Fu Lin
- Department of Veterinary Medicine, College of Veterinary Medicine, National Pingtung University of Science and Technology, 1 Shuefu Road, Neipu, Pingtung 912301, Taiwan.
| | - Yi-Wen Liu
- Department of Microbiology, Immunology and Biopharmaceuticals, College of Life Sciences, National Chiayi University, 300 Syuefu Road, Chiayi 60004, Taiwan.
| | - Tzu-Chun Lin
- Department of Veterinary Medicine, National Chiayi University, 580 Xinmin Road, Chiayi 60054, Taiwan.
| | - Huei-Jyuan Liao
- Department of Veterinary Medicine, National Chiayi University, 580 Xinmin Road, Chiayi 60054, Taiwan.
| | - Geng-Ruei Chang
- Department of Veterinary Medicine, National Chiayi University, 580 Xinmin Road, Chiayi 60054, Taiwan.
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Bao J, Liu Y, Ping X, Zha X, Hu S, Hu C. Preoperative Ki-67 Proliferation Index Prediction with a Radiomics Nomogram in Stage T1a-b Lung Adenocarcinoma. Eur J Radiol 2022; 155:110437. [DOI: 10.1016/j.ejrad.2022.110437] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 06/04/2022] [Accepted: 07/04/2022] [Indexed: 11/03/2022]
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Dong Y, Jiang Z, Li C, Dong S, Zhang S, Lv Y, Sun F, Liu S. Development and validation of novel radiomics-based nomograms for the prediction of EGFR mutations and Ki-67 proliferation index in non-small cell lung cancer. Quant Imaging Med Surg 2022; 12:2658-2671. [PMID: 35502390 PMCID: PMC9014164 DOI: 10.21037/qims-21-980] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 01/20/2022] [Indexed: 07/30/2023]
Abstract
BACKGROUND We developed and validated novel radiomics-based nomograms to identify epidermal growth factor receptor (EGFR) mutations and the Ki-67 proliferation index of non-small cell lung cancer. METHODS We enrolled 132 patients with histologically verified non-small cell lung cancer from four hospital institutions who underwent computed tomography (CT) scans. EGFR mutations and the Ki-67 proliferation index were measured from tumor tissues. A total of 1,287 radiomic features were extracted, and a three-stage feature selection method was implemented to acquire the most valuable radiomic features. Finally, the radiomic scores and nomograms of the two tasks were established and tested. Receiver operating characteristic curves, calibration curves, and decision curves were used to evaluate their prediction performance and clinical utility. RESULTS In task [1], smoking status and histological type were significantly associated with EGFR mutations. After feature selection, 10 features were used to establish radiomic score, which showed good performance [area under the curve (AUC) =0.800] in the validation cohort. The radiomic nomogram had an AUC of 0.798 (95% CI: 0.664 to 0.931) with a C-index of 0.798 in the validation cohort. In task [2], gender, smoking status, histological type, and stage showed a significant correlation with Ki-67 proliferation index expression. A total of 28 features were selected to develop a radiomic score, with an AUC of 0.820 in the validation cohort. The final nomogram showed an AUC of 0.828 (95% CI: 0.703 to 0.953) with a C-index of 0.828 in the validation cohort. CONCLUSIONS EGFR mutations and Ki-67 proliferation index in non-small cell lung cancer can be predicted efficiently by the novel radiomic scores and nomograms.
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Affiliation(s)
- Yinjun Dong
- Department of Thoracic Surgery, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
- Postdoctoral Research Workstation, Liaocheng People’s Hospital, Liaocheng, China
| | - Zekun Jiang
- West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, China
| | - Chaowei Li
- Department of Clinical Drug Research, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Shuai Dong
- Department of Radiology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Shengdong Zhang
- Department of Radiology, Yinan Branch of Qilu Hospital of Shandong University, Yinan County People’s Hospital, Linyi, China
| | - Yunhong Lv
- Department of Mathematics and Information Technology, Xingtai University, Xingtai, China
- Department of Mathematics and Statistics, University of Windsor, Windsor, Ontario, Canada
| | - Fenghao Sun
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Shuguang Liu
- Department of Thoracic Surgery, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
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Fu Q, Liu SL, Hao DP, Hu YB, Liu XJ, Zhang Z, Wang WH, Tang XY, Zhang CY, Liu SH. CT Radiomics Model for Predicting the Ki-67 Index of Lung Cancer: An Exploratory Study. Front Oncol 2021; 11:743490. [PMID: 34707991 PMCID: PMC8542688 DOI: 10.3389/fonc.2021.743490] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Accepted: 09/15/2021] [Indexed: 12/24/2022] Open
Abstract
Objective To establish a radiomics signature and a nomogram model based on enhanced CT images to predict the Ki-67 index of lung cancer. Methods From January 2014 to December 2018, 282 patients with lung cancer who had undergone enhanced CT scans and Ki-67 examination within 2 weeks were retrospectively enrolled and analyzed. The clinical data of the patients were collected, such as age, sex, smoking history, maximum tumor diameter and serum tumor markers. Our primary cohort was randomly divided into a training group (n=197) and a validation group (n=85) at a 7:3 ratio. A Ki-67 index ≤ 40% indicated low expression, and a Ki-67 index > 40% indicated high expression. In total, 396 radiomics features were extracted using AK software. Feature reduction and selection were performed using the lasso regression model. Logistic regression analysis was used to establish a multivariate predictive model to identify high and low Ki-67 expression in lung cancer. A nomogram integrating the radiomics score was established based on multiple logistic regression analysis. Area under the curve (AUC) was used to evaluate the prediction efficiency of the radiomics signature and nomogram. Results The AUC,sensitivity, specificity and accuracy of the radiomics signature in the training and validation groups were 0.88 (95% CI: 0.82~0.93),79.2%,84.3%,81.2% and 0.86 (95% CI: 0.78~0.94),74.6%,88.1%,79.8%, respectively. A nomogram combining radiomics features and clinical risk factors (smoking history and NSE) was developed. The AUC, sensitivity, specificity and accuracy were 0.87 (95% CI: 0.80~0.95), 75.0%, 90.2% and 83.5% in the validation group, respectively. Conclusion The radiomics signature and nomogram based on enhanced CT images provide a way to predict the Ki-67 expression level in lung cancer.
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Affiliation(s)
- Qing Fu
- The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Shun Li Liu
- The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Da Peng Hao
- The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Ya Bin Hu
- The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xue Jun Liu
- The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Zaixian Zhang
- The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Wen Hong Wang
- The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xiao Yan Tang
- The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Chuan Yu Zhang
- The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Shi He Liu
- The Affiliated Hospital of Qingdao University, Qingdao, China
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9
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Genes Predicting Survival of Chordoma Patients. World Neurosurg 2021; 156:125-132. [PMID: 34530149 DOI: 10.1016/j.wneu.2021.09.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 09/04/2021] [Accepted: 09/06/2021] [Indexed: 11/21/2022]
Abstract
BACKGROUND A chordoma is a slow-growing, invasive neoplasm in the neuraxis that is thought to arise from notochordal cells. At 10-year follow-up, the average survival rate is 50%, though individual prognosis varies substantially. We aimed to provide a comprehensive overview of the genes and proteins expressed in these tumors and their prognostic value to facilitate prognostication for patients with chordoma. METHODS A systematic search of clinical studies that investigated expressed factors related to chordoma survival was performed in PubMed. Data extracted included RNA and protein expression data and prognostic value (in terms of overall survival, progression-free survival, disease-free survival, and recurrence-free survival) from univariate and multivariate analyses. RESULTS This review included 78 original studies that collectively evaluated 134 expressed factors. Of these molecular factors, 96 by univariate analysis and 32 by multivariate analysis had a predictive value for patient survival. Of the molecular factors studied in multivariate analyses, 26 factors had a negative effect while 6 had a positive effect on patient survival. CONCLUSIONS Identification of molecular factors that are associated with survival contributes to better prognostication of patients with chordoma. Given the rarity of chordoma, often only univariate analyses can be performed. Robust multivariate analyses are scarcer but provide independently significant prognostic factors. The data presented in this review can aid in prognostication for the individual patient and facilitate the development of targeted therapies.
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Alwadani B, Dall'Angelo S, Fleming IN. Clinical value of 3'-deoxy-3'-[ 18F]fluorothymidine-positron emission tomography for diagnosis, staging and assessing therapy response in lung cancer. Insights Imaging 2021; 12:90. [PMID: 34213667 PMCID: PMC8253862 DOI: 10.1186/s13244-021-01026-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 06/02/2021] [Indexed: 12/09/2022] Open
Abstract
Lung cancer has the highest mortality rate of any tumour type. The main driver of lung tumour growth and development is uncontrolled cellular proliferation. Poor patient outcomes are partly the result of the limited range of effective anti-cancer therapies available and partly due to the limited accuracy of biomarkers to report on cell proliferation rates in patients. Accordingly, accurate methods of diagnosing, staging and assessing response to therapy are crucial to improve patient outcomes. One effective way of assessing cell proliferation is to employ non-invasive evaluation using 3'-deoxy-3'-[18F]fluorothymidine ([18F]FLT) positron emission tomography [18F]FLT-PET. [18F]FLT, unlike the most commonly used PET tracer [18F]fluorodeoxyglucose ([18F]FDG), can specifically report on cell proliferation and does not accumulate in inflammatory cells. Therefore, this radiotracer could exhibit higher specificity in diagnosis and staging, along with more accurate monitoring of therapy response at early stages in the treatment cycle. This review summarises and evaluates published studies on the clinical use of [18F]FLT to diagnose, stage and assess response to therapy in lung cancer.
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Affiliation(s)
- Bandar Alwadani
- Diagnostic Radiology Department, College of Applied Medical Sciences, Jazan University, Al Maarefah Rd, POB 114, Jazan, 45142, Saudi Arabia.,Institute of Medical Sciences, University of Aberdeen, Aberdeen, AB25 2ZD, UK
| | - Sergio Dall'Angelo
- Institute of Medical Sciences, University of Aberdeen, Aberdeen, AB25 2ZD, UK
| | - Ian N Fleming
- Institute of Medical Sciences, University of Aberdeen, Aberdeen, AB25 2ZD, UK.
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11
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Mohamadien NRA, Sayed MHM. Correlation between semiquantitative and volumetric 18F-FDG PET/computed tomography parameters and Ki-67 expression in breast cancer. Nucl Med Commun 2021; 42:656-664. [PMID: 33560720 DOI: 10.1097/mnm.0000000000001376] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
OBJECTIVES To evaluate the relationship between semiquantitative and volumetric parameters on 18F-FDG PET/computed tomography (CT), including maximum standardized uptake value (SUVmax), mean standardized uptake value (SUVmean), metabolic tumor volume (MTV), total lesion glycolysis (TLG), tumor to liver ratio (TLR) and tumor to mediastinum ratio (TMR) with the level of Ki-67 expression in breast cancer. PATIENT AND METHODS We retrospectively reviewed 105 female patients with newly diagnosed breast cancer who underwent baseline 18F-FDG PET/CT and had immunohistochemical staining to determine the level of Ki-67 expression. The following PET parameters were measured (SUVmax, SUVmean, MTV, TLG, TLR and TMR) and correlated with level of Ki-67 expression. RESULTS Significant moderate positive correlations were found between the PET parameters (primary SUVmax, SUVmean, TLG, TLR and TMR) and level of Ki-67 expression. The primary SUVmax had the highest correlation coefficient (r = 0.461) followed by TMR (r = 0.455) and P value of <0.001 for both. In ROC analysis, primary SUVmax had the largest area under the curve (0.806, P = 0.0001), with sensitivity of 76.5 % and specificity of 75% for prediction of high Ki-67 level. In univariate analysis, all PET parameters, patient age, tumor grade, molecular subtype, estrogen receptor and progesterone receptor status were significantly associated with Ki-67 level. In multivariate regression analysis, only tumor grade [odds ratio (OR) = 20.460, 95% confidence interval (CI): 11.360-29.559, P = <0.0001], molecular subtype (OR = -21.894, 95% CI: -37.921 to -5.866, P = 0.008), SUVmax (OR = 2.299, 95% CI: 0.703-3.895, P = 0.005) and TLR (OR = -4.908, 95% CI: -9.476 to -0.340, P = 0.035) were found to be the strongest independent predictor factors for the level of Ki-67 expression and hence proliferative activity of malignant cells in breast cancer. CONCLUSION The semiquantitative parameters and volumetric 18F-FDG PET/CT parameter, that is, TLG correlated well with proliferation marker Ki-67 in breast cancer. 18F-FDG PET/CT imaging can be used as a useful noninvasive diagnostic tool in imaging cellular proliferation and hence may substitute for in vitro testing of molecular markers in the diagnoses and staging of breast cancer.
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Affiliation(s)
- Nsreen R A Mohamadien
- Department of Clinical Oncology and Nuclear Medicine, Faculty of Medicine. Assiut University, Assiut, Egypt
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12
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Yoshimura M, Seki K, Bychkov A, Fukuoka J. Molecular Pathology of Pulmonary Large Cell Neuroendocrine Carcinoma: Novel Concepts and Treatments. Front Oncol 2021; 11:671799. [PMID: 33968782 PMCID: PMC8100606 DOI: 10.3389/fonc.2021.671799] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 03/31/2021] [Indexed: 01/14/2023] Open
Abstract
Pulmonary large cell neuroendocrine carcinoma (LCNEC) is an aggressive neoplasm with poor prognosis. Histologic diagnosis of LCNEC is not always straightforward. In particular, it is challenging to distinguish small cell lung carcinoma (SCLC) or poorly differentiated carcinoma from LCNEC. However, histological classification for LCNEC as well as their therapeutic management has not changed much for decades. Recently, genomic and transcriptomic analyses have revealed different molecular subtypes raising hopes for more personalized treatment. Two main molecular subtypes of LCNEC have been identified by studies using next generation sequencing, namely type I with TP53 and STK11/KEAP1 alterations, alternatively called as non-SCLC type, and type II with TP53 and RB1 alterations, alternatively called as SCLC type. However, there is still no easy way to classify LCNEC subtypes at the actual clinical level. In this review, we have discussed histological diagnosis along with the genomic studies and molecular-based treatment for LCNEC.
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Affiliation(s)
| | - Kurumi Seki
- Department of Pathology, Kameda Medical Center, Kamogawa, Japan
| | - Andrey Bychkov
- Department of Pathology, Kameda Medical Center, Kamogawa, Japan
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Junya Fukuoka
- Department of Pathology, Kameda Medical Center, Kamogawa, Japan
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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13
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Zheng Y, Huang W, Zhang X, Lu C, Fu C, Li S, Lin G. A Noninvasive Assessment of Tumor Proliferation in Lung cancer Patients using Intravoxel Incoherent Motion Magnetic Resonance Imaging. J Cancer 2021; 12:190-197. [PMID: 33391415 PMCID: PMC7738818 DOI: 10.7150/jca.48589] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Accepted: 10/26/2020] [Indexed: 12/15/2022] Open
Abstract
Ki-67 is a nuclear antigen widely used in routine pathologic analyses as a tumor cell proliferation marker for lung cancer. However, Ki-67 expression analyses using immunohistochemistry (IHC) are invasive and frequently influenced by tissue sampling quality. In this study, we assessed the feasibility of noninvasive magnetic resonance imaging (MRI) in predicting the Ki-67 labeling indices (LIs). A total of 51 lung cancer patients, including 42 non-small cell lung cancer (NSCLC) cases and nine small cell lung cancer (SCLC) cases, were enrolled in this study. Quantitative MRI parameters from conventional diffusion-weighted imaging (DWI), intravoxel incoherent motion (IVIM), and diffusion kurtosis imaging (DKI) were obtained, and their correlations with tumor tissue Ki-67 expression were analyzed. We found that the true diffusion coefficient (D value) from IVIM was negatively correlated with Ki-67 expression (Spearman r = -0.76, P < 0.001). The D values in the high Ki-67 group were significantly lower than those in the low Ki-67 group (0.90 ± 0.21 × 10-3 mm2/s vs. 1.22 ± 0.30 × 10-3 mm2/s). Among three MRI techniques used, D values from IVIM showed the best performance for distinguishing the high Ki-67 group from low Ki-67 group in receiver operating characteristic (ROC) analysis with an area under the ROC curve (AUROC) of 0.85 (95% CI: 0.73-0.97, P < 0.05). Moreover, D values performed well for differentiating SCLC from NSCLC with an AUROC of 0.82 (95% CI: 0.68-0.90), Youden index of 0.72, and F1 score of 0.81. In conclusion, D values were negatively correlated with Ki-67 expression in lung cancer tissues and can be used to distinguish high from low proliferation statuses, as well as SCLC from NSCLC.
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Affiliation(s)
- Yu Zheng
- Department of Radiology, Huadong Hospital Affiliated to Fudan University, Shanghai, 200040, China
| | - Wenjun Huang
- Department of Radiology, Huadong Hospital Affiliated to Fudan University, Shanghai, 200040, China
| | - Xuelin Zhang
- Department of Thoracic Surgery, Huadong Hospital Affiliated to Fudan University, Shanghai, 200040, China
| | - Chen Lu
- Department of Pathology, Huadong Hospital Affiliated to Fudan University, Shanghai, 200040, China
| | - Caixia Fu
- Siemens Shenzhen Magnetic Resonance Ltd., Shenzhen, Guangdong Province, 518057, China
| | - Shihong Li
- Department of Radiology, Huadong Hospital Affiliated to Fudan University, Shanghai, 200040, China
| | - Guangwu Lin
- Department of Radiology, Huadong Hospital Affiliated to Fudan University, Shanghai, 200040, China
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14
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Okudela K, Woo T, Saigusa Y, Arai H, Matsumura M, Mitsui H, Sugiyama M, Sekiya M, Ishikawa Y, Oshiro H, Kameda Y, Ohashi K. A method to obtain reproducible Ki-67 indices in lung adenocarcinoma. Histopathology 2020; 78:414-423. [PMID: 32813926 DOI: 10.1111/his.14234] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 08/12/2020] [Indexed: 12/27/2022]
Abstract
AIMS Proliferative activity, evaluated from the Ki-67 index, is a strong prognostic factor in lung adenocarcinoma (LADC). Here, we optimised a procedure to measure the Ki-67 index and establish the best cut-off value. METHODS AND RESULTS We examined 342 stage I LADCs for the immunohistochemical expression of Ki-67 using different antibodies, MIB1 and SP6. The results revealed the superior specificity of SP6; therefore, SP6 was used in subsequent analyses. Slides were scanned with a virtual slide system. Using software, tumour cells were counted in a whole tumour. Thereafter, the tumour was evenly subdivided into 0.25-mm2 tiles. The frequency of positive cells was counted in each tile of an invasive area or the whole tumour. We calculated the number of tumour cells required to produce a 95% confidence interval (CI) <0.05. Additionally, we calculated coverage probabilities (CP) using two different methods, counting any number or 200 cells per tile. The results showed that we could meet our goal by counting 2000 cells from 10 random tiles (200 cells each) in invasive areas. CONCLUSIONS We successfully developed an optimal procedure for determination of the Ki-67 labelling index using an SP6 antibody, which provided CP > 70% and CI of <0.05 in more than 90% of cases. Furthermore, we identified an optimal cut-off value of 0.12 with an alternative of 0.15, based on disease recurrence. This procedure and the cut-off values may be used in the routine pathological diagnosis of LADC.
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Affiliation(s)
- Koji Okudela
- Department of Pathology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Tetsukan Woo
- Department of General Thoracic Surgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Yusuke Saigusa
- Department of Biostatics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Hiromasa Arai
- Division of General Thoracic Surgery, Kanagawa Prefectural Cardiovascular and Respiratory Center Hospital, Kanagawa, Japan
| | - Mai Matsumura
- Department of Pathology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Hideaki Mitsui
- Department of Pathology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Misaki Sugiyama
- Division of Pathology, Kanagawa Prefectural Cardiovascular and Respiratory Center Hospital, Kanagawa, Japan
| | - Motoki Sekiya
- Division of Pathology, Kanagawa Prefectural Cardiovascular and Respiratory Center Hospital, Kanagawa, Japan
| | - Yoshihiro Ishikawa
- Department of General Thoracic Surgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Hisashi Oshiro
- Department of Pathology, Jichi Medical University, Tochigi, Japan
| | - Yoichi Kameda
- Division of Pathology, Kanagawa Prefectural Cardiovascular and Respiratory Center Hospital, Kanagawa, Japan
| | - Kenichi Ohashi
- Department of Pathology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
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15
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Liu Z, Ning Z, Lu H, Cao T, Zhou F, Ye X, Chen C. Long non-coding RNA RFPL3S is a novel prognostic biomarker in lung cancer. Oncol Lett 2020; 20:1270-1280. [PMID: 32724368 PMCID: PMC7377115 DOI: 10.3892/ol.2020.11642] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 11/07/2019] [Indexed: 01/10/2023] Open
Abstract
Long non-coding RNAs (lncRNAs) are functional components of the human genome. Recent studies have demonstrated that lncRNAs play essential roles in tumorigenesis, and are involved in cell proliferation, apoptosis, migration and invasion in several types of tumor, including lung cancer. However, the clinical relevance of lncRNA expression in lung cancer remains unknown. The aim of the present study was to investigate the expression pattern of RFPL3 antisense (RFPL3S) and its associations with clinicopathological characteristics in patients with lung cancer. Whether RFPL3S can act as a potential prognostic biomarker for lung cancer was also investigated. RFPL3S expression in tumor samples and cells was assessed using the Oncomine database and the Cancer Cell Line Encyclopedia, respectively. Based on Kaplan-Meier Plotter analyses, the prognostic values of RFPL3S were further evaluated. It was revealed that RFPL3S was highly expressed in lung cancer tissues when compared with normal tissues and was significantly associated with pN factor, pTNM stage and Ki-67 labeling index. In the survival analyses, increased RFPL3S expression was associated with poor survival and was inversely associated with first progression in all patients. These results indicate that RFPL3S may be of clinical significance and may act as a prognostic biomarker in lung cancer.
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Affiliation(s)
- Zhonghua Liu
- Department of Oncology, Suzhou Ninth People's Hospital, Suzhou, Jiangsu 215200, P.R. China.,Department of Oncology, The First People's Hospital of Wujiang District, Suzhou, Jiangsu 215200, P.R. China
| | - Zhiqiang Ning
- Department of Oncology, Suzhou Ninth People's Hospital, Suzhou, Jiangsu 215200, P.R. China.,Department of Oncology, The First People's Hospital of Wujiang District, Suzhou, Jiangsu 215200, P.R. China
| | - Hailin Lu
- Department of Oncology, Suzhou Ninth People's Hospital, Suzhou, Jiangsu 215200, P.R. China.,Department of Oncology, The First People's Hospital of Wujiang District, Suzhou, Jiangsu 215200, P.R. China
| | - Tinghua Cao
- Department of Oncology, Suzhou Ninth People's Hospital, Suzhou, Jiangsu 215200, P.R. China.,Department of Oncology, The First People's Hospital of Wujiang District, Suzhou, Jiangsu 215200, P.R. China
| | - Feng Zhou
- Department of Oncology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Xia Ye
- Department of Oncology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Chao Chen
- Department of Oncology, Suzhou Ninth People's Hospital, Suzhou, Jiangsu 215200, P.R. China.,Department of Oncology, The First People's Hospital of Wujiang District, Suzhou, Jiangsu 215200, P.R. China
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16
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Minami K, Jimbo N, Tanaka Y, Ogawa H, Hokka D, Nishio W, Yoshimura M, Itoh T, Maniwa Y. Insulinoma-associated protein 1 is a prognostic biomarker in pulmonary high-grade neuroendocrine carcinoma. J Surg Oncol 2020; 122:243-253. [PMID: 32346887 DOI: 10.1002/jso.25960] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 04/18/2020] [Indexed: 01/06/2023]
Abstract
BACKGROUNDS AND OBJECTIVES Recent studies have suggested that insulinoma-associated protein 1 (INSM1) is a useful marker for pathological diagnosis of pulmonary neuroendocrine tumors. In the present study, we investigated the association between INSM1 expression and prognosis in patients with pulmonary high-grade neuroendocrine carcinomas (HGNEC) and assessed the usefulness of INSM1 as a prognostic biomarker in these patients. METHODS Seventy-five consecutive patients with HGNEC who underwent complete surgical resections from January 2000 to December 2018 were enrolled in this study. We classified these patients into two groups: the INSM1-positive group (n = 59) and INSM1-negative group (n = 16). We compared the clinicopathological characteristics, overall survival (OS), and recurrence-free survival (RFS) between the groups. In addition, we performed univariate and multivariate analyses to identify the prognostic factors associated with postoperative survival. RESULTS Significant differences in tumor diameter and vascular invasion between the groups were found. OS and RFS were significantly poorer in the INSM1-positive group than in the INSM1-negative group. Univariate and multivariate analyses revealed that INSM1 expression was the strongest predictor of poor prognosis for OS and RFS. CONCLUSIONS INSM1 expression had the greatest influence on the prognosis in patients with HGNEC and may be a prognostic biomarker in these patients.
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Affiliation(s)
- Kazuhiro Minami
- Division of Thoracic Surgery, Kobe University Graduate School of Medicine, Kobe City, Hyogo Prefecture, Japan
| | - Naoe Jimbo
- Department of Diagnostic Pathology, Kobe University Graduate School of Medicine, Kobe City, Hyogo Prefecture, Japan
| | - Yugo Tanaka
- Division of Thoracic Surgery, Kobe University Graduate School of Medicine, Kobe City, Hyogo Prefecture, Japan
| | - Hiroyuki Ogawa
- Department of Thoracic Surgery, Hyogo Cancer Center, Akashi City, Hyogo Prefecture, Japan
| | - Daisuke Hokka
- Division of Thoracic Surgery, Kobe University Graduate School of Medicine, Kobe City, Hyogo Prefecture, Japan
| | - Wataru Nishio
- Department of Thoracic Surgery, Hyogo Cancer Center, Akashi City, Hyogo Prefecture, Japan
| | - Masahiro Yoshimura
- Department of Thoracic Surgery, Hyogo Cancer Center, Akashi City, Hyogo Prefecture, Japan
| | - Tomoo Itoh
- Department of Diagnostic Pathology, Kobe University Graduate School of Medicine, Kobe City, Hyogo Prefecture, Japan
| | - Yoshimasa Maniwa
- Division of Thoracic Surgery, Kobe University Graduate School of Medicine, Kobe City, Hyogo Prefecture, Japan
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17
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Chen M, Li X, Wei Y, Qi L, Sun YS. Spectral CT imaging parameters and Ki-67 labeling index in lung adenocarcinoma. Chin J Cancer Res 2020; 32:96-104. [PMID: 32194309 PMCID: PMC7072011 DOI: 10.21147/j.issn.1000-9604.2020.01.11] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Objective To explore the correlation between the spectral computed tomography (CT) imaging parameters and the Ki-67 labeling index in lung adenocarcinoma. Methods Spectral CT imaging parameters [iodine concentrations of lesions (ICLs) in the arterial phase (ICLa) and venous phase (ICLv), normalized IC in the aorta (NICa/NICv), slope of the spectral HU curve (λHUa/λHUv) and monochromatic CT number enhancement on 40 keV and 70 keV images (CT40keVa/v, CT70keVa/v)] in 34 lung adenocarcinomas were analyzed, and common molecular markers, including the Ki-67 labeling index, were detected with immunohistochemistry. Different Ki-67 labeling indexes were measured and grouped into four grades according to the number of positive-stained cells (grade 0, ≤1%; 1%<grade 1≤10%; 10%<grade 2≤30%; and grade 3, >30%). One-way analysis of variance (ANOVA) was used to compare the four different grades, and the Bonferroni method was used to correct the P value for multiple comparisons. A Spearman correlation analysis was performed to further research a quantitative correlation between the Ki-67 labeling index and spectral CT imaging parameters. Results CT40keVa, CT40keVv, CT70keVa and CT70keVv increased as the grade increased, and CT70keVa and CT70keVv were statistically significant (P<0.05). These four parameters and the Ki-67 labeling index showed a moderate positive correlation with lung adenocarcinoma nodules. ICL, NIC and λHU in the arterial and venous phases were not significantly different among the four grades. Conclusions The spectral CT imaging parameters CT40keVa, CT40keVv, CT70keVa and CT70keVv gradually increased with Ki-67 expression and showed a moderate positive correlation with lung adenocarcinomas. Therefore, spectral CT imaging parameter-enhanced monochromatic CT numbers at 70 keV may indicate the extent of proliferation of lung adenocarcinomas.
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Affiliation(s)
- Mailin Chen
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiology, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Xiaoting Li
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiology, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Yiyuan Wei
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiology, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Liping Qi
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiology, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Ying-Shi Sun
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiology, Peking University Cancer Hospital & Institute, Beijing 100142, China
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18
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Wen Q, Zhan Y, Zheng H, Zang H, Luo J, Zhang Y, Wang W, Feng J, Lu J, Chen L, Fan S. Elevated expression of mcl-1 inhibits apoptosis and predicts poor prognosis in patients with surgically resected non-small cell lung cancer. Diagn Pathol 2019; 14:108. [PMID: 31601252 PMCID: PMC6788105 DOI: 10.1186/s13000-019-0884-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 09/04/2019] [Indexed: 12/16/2022] Open
Abstract
Background Mcl-1, an anti-apoptotic member of bcl-2 family, together with cleaved poly (ADC-ribose) polymerase (c-PARP) can serve as a marker of cell apoptosis. Previously we reported that treatment of Mnk inhibitor CGP57380 resulted in decreased Mcl-1 expression while increased c-PARP expression in non-small cell lung cancer (NSCLC) cells. In this study, we aimed to investigate association between Mcl-1 expression and clinicopathological features of NSCLC, and their correlation between Mcl-1 and both proliferation index (PI) and apoptotic index (AI) in NSCLC patients. Methods Tissue microarrays (TMA) including 350 cases of surgically resected NSCLC were utilize and stained with Mcl-1, Ki-67 and c-PARP antibodies, PI and AI were then evaluated, respectively. Results Higher Mcl-1 expression and PI were observed in NSCLC compared with non-cancerous lung tissues (non-CLT), while AI was significantly lower in lung adenocarcinoma (ADC) compared with non-CLT. Additionally, Mcl-1 expression in lung ADC was evidently higher than that of in lung squamous cell carcinoma (SCC). The elevated Mcl-1 expression was associated with PI, and inversely related to AI in NSCLC. NSCLC patients with elevated Mcl-1 expression and high PI, or with high Mcl-1 expression and low AI had remarkably shorter overall survival time than these patients with low Mcl-1 expression. Conclusions Elevated expression of Mcl-1 might be inversely proportional to disease progression of NSCLC patients by promoting cell proliferation and inhibiting apoptosis, and Mcl-1 might serve as novel biomarker of poor prognosis for NSCLC patients. Supplementary information Supplementary information accompanies this paper at (10.1186/s13000-019-0884-3).
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Affiliation(s)
- Qiuyuan Wen
- Department of Pathology, the Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Yuting Zhan
- Department of Pathology, the Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Hongmei Zheng
- Department of Pathology, the Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Hongjing Zang
- Department of Pathology, the Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Jiadi Luo
- Department of Pathology, the Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Yuting Zhang
- Department of Pathology, the Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Weiyuan Wang
- Department of Pathology, the Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Juan Feng
- Department of Pathology, the Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Junmi Lu
- Department of Pathology, the Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Lingjiao Chen
- Department of Pathology, the Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Songqing Fan
- Department of Pathology, the Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China.
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Tabata K, Uraoka N, Benhamida J, Hanna MG, Sirintrapun SJ, Gallas BD, Gong Q, Aly RG, Emoto K, Matsuda KM, Hameed MR, Klimstra DS, Yagi Y. Validation of mitotic cell quantification via microscopy and multiple whole-slide scanners. Diagn Pathol 2019; 14:65. [PMID: 31238983 PMCID: PMC6593538 DOI: 10.1186/s13000-019-0839-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 06/11/2019] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND The establishment of whole-slide imaging (WSI) as a medical diagnostic device allows that pathologists may evaluate mitotic activity with this new technology. Furthermore, the image digitalization provides an opportunity to develop algorithms for automatic quantifications, ideally leading to improved reproducibility as compared to the naked eye examination by pathologists. In order to implement them effectively, accuracy of mitotic figure detection using WSI should be investigated. In this study, we aimed to measure pathologist performance in detecting mitotic figures (MFs) using multiple platforms (multiple scanners) and compare the results with those obtained using a brightfield microscope. METHODS Four slides of canine oral melanoma were prepared and digitized using 4 WSI scanners. In these slides, 40 regions of interest (ROIs) were demarcated, and five observers identified the MFs using different viewing modes: microscopy and WSI. We evaluated the inter- and intra-observer agreements between modes with Cohen's Kappa and determined "true" MFs with a consensus panel. We then assessed the accuracy (agreement with truth) using the average of sensitivity and specificity. RESULTS In the 40 ROIs, 155 candidate MFs were detected by five pathologists; 74 of them were determined to be true MFs. Inter- and intra-observer agreement was mostly "substantial" or greater (Kappa = 0.594-0.939). Accuracy was between 0.632 and 0.843 across all readers and modes. After averaging over readers for each modality, we found that mitosis detection accuracy for 3 of the 4 WSI scanners was significantly less than that of the microscope (p = 0.002, 0.012, and 0.001). CONCLUSIONS This study is the first to compare WSIs and microscopy in detecting MFs at the level of individual cells. Our results suggest that WSI can be used for mitotic cell detection and offers similar reproducibility to the microscope, with slightly less accuracy.
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Affiliation(s)
- Kazuhiro Tabata
- Department of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065 USA
- Department of Pathology, Nagasaki University Hospital, 1-7-1 Sakamoto, Nagasaki, Nagasaki 8528501 Japan
| | - Naohiro Uraoka
- Department of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065 USA
| | - Jamal Benhamida
- Department of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065 USA
| | - Matthew G. Hanna
- Department of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065 USA
| | | | - Brandon D. Gallas
- Center For Devices and Radiological Health, Office of Science and Engineering Laboratories, U.S. Food and Drug Administration, 10903 New Hampshire Avenue, Silver Spring, MD 20993 USA
| | - Qi Gong
- Center For Devices and Radiological Health, Office of Science and Engineering Laboratories, U.S. Food and Drug Administration, 10903 New Hampshire Avenue, Silver Spring, MD 20993 USA
| | - Rania G. Aly
- Department of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065 USA
- Department of Pathology, Faculty of Medicine, Alexandria university, 22 El-Guish Road, El-Shatby, Alexandria, 21526 Egypt
| | - Katsura Emoto
- Department of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065 USA
- Thoracic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, 10065 NY USA
| | - Kant M. Matsuda
- Department of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065 USA
| | - Meera R. Hameed
- Department of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065 USA
| | - David S. Klimstra
- Department of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065 USA
| | - Yukako Yagi
- Department of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065 USA
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Pace E, Di Vincenzo S, Di Salvo E, Genovese S, Dino P, Sangiorgi C, Ferraro M, Gangemi S. MiR-21 upregulation increases IL-8 expression and tumorigenesis program in airway epithelial cells exposed to cigarette smoke. J Cell Physiol 2019; 234:22183-22194. [PMID: 31054160 DOI: 10.1002/jcp.28786] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 04/17/2019] [Accepted: 04/22/2019] [Indexed: 12/27/2022]
Abstract
BACKGROUND Cigarette smoke exposure, increasing Toll-like receptor 4 (TLR4) and reactive oxygen species (ROS), promotes inflammatory responses in airway epithelial cells. Chronic inflammation, microRNA (miRNA), and oxidative stress are associated with cancer development. AIMS The present study was aimed to explore whether cigarette smoke exposure, altering miR-21 expression, promoted inflammatory responses and tumorigenesis processes in airway epithelial cells. METHODS Airway normal and cancer epithelial cells (16HBE and A549) were exposed to cigarette smoke extracts (CSE) or with/without agomiR-21, and then it was assessed: a) miR-21 expression; b) signal transducer and activator of transcription 3 (STAT3) nuclear protein expression and ERK1/2 activation; c) IL-8 gene expression and protein release. An antagonist of TLR4 (CLI-095) and the antioxidant flavonoid, apigenin, were also included to evaluate miR-21 expression in CSE exposed cells. RESULTS It was demonstrated that: a) A549 cells constitutively expressed higher levels of miR-21 and IL-8; b) CSE increased STAT3 nuclear expression in 16HBE; c) in both cell lines, CSE and agomiR-21 increased: miR-21 expression; ERK1/2 activation and IL-8 gene expression and protein release; d) TLR4 inhibition counteracted the effects of CSE on miR-21 in A549; e) apigenin reduced miR-21 and IL-8 gene expression in both cell lines. CONCLUSIONS Data herein provided identified for the first time new mechanisms supporting the crucial role of cigarette smoke-induced miR-21 expression in the amplification of inflammatory responses and in tumorigenesis processes within the airways.
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Affiliation(s)
- Elisabetta Pace
- Institute of Biomedicine and Molecular Immunology "A. Monroy" (IBIM), National Research Council of Italy (CNR), Palermo, Italy
| | - Serena Di Vincenzo
- Institute of Biomedicine and Molecular Immunology "A. Monroy" (IBIM), National Research Council of Italy (CNR), Palermo, Italy
| | - Eleonora Di Salvo
- Institute of Biological Resources and Marine Biotechnology (IRBIM), CNR of Messina, Messina, Italy.,Institute of Applied Sciences & Intelligent Systems "Eduardo Caianiello" (ISASI)-CNR of Messina, Messina, Italy
| | - Sara Genovese
- Institute for Marine and Coastal Environment (IAMC-CNR), National Research Council of Italy (CNR), Messina, Italy
| | - Paola Dino
- Institute of Biomedicine and Molecular Immunology "A. Monroy" (IBIM), National Research Council of Italy (CNR), Palermo, Italy
| | - Claudia Sangiorgi
- Institute of Biomedicine and Molecular Immunology "A. Monroy" (IBIM), National Research Council of Italy (CNR), Palermo, Italy
| | - Maria Ferraro
- Institute of Biomedicine and Molecular Immunology "A. Monroy" (IBIM), National Research Council of Italy (CNR), Palermo, Italy
| | - Sebastiano Gangemi
- Department of Clinical and Experimental Medicine, School and Division of Allergy and Clinical Immunology, University of Messina, Messina, Italy
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21
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Li X, Diao H. Circular RNA circ_0001946 acts as a competing endogenous RNA to inhibit glioblastoma progression by modulating miR-671-5p and CDR1. J Cell Physiol 2019; 234:13807-13819. [PMID: 30663767 DOI: 10.1002/jcp.28061] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 12/03/2018] [Indexed: 12/31/2022]
Abstract
OBJECTIVES In many malignant tumors, circRNAs play an important role. However, the biological role and clinical significance of circRNAs remain unclear. In this study, we investigated the effects of circ_0001946 on the progression of glioblastoma (GBM) and the molecular mechanism of circ_0001946. METHODS Microarrays were applied to test the expression profiles of circRNAs and messenger RNAs (mRNAs). Coexpressed genes were identified by constructing differentially expressed circRNA-mRNA networks. The expression of circ_0001946, miR-671-5p, and cerebellar degeneration-related autoantigen 1 (CDR1) was detected by real-time quantitative PCR, and the protein expression of CDR1 was determined by western blotting. A dual-luciferase reporter assay was used to evaluate potential miR-671-5p target sites on circ_0001946 and CDR1. The proliferation, apoptosis, migration, and invasion of GBM cells were assessed by a colony formation assay, flow cytometry assay, transwell migration assay, and transwell invasion assay. Xenograft mouse models were used to determine the role of circ_0001946 in vivo. RESULTS The expression of circ_0001946 and CDR1 was low and that of miR-671-5p was high in GBM cells. Circ_0001946 suppressed the expression of miR-671-5p, thus upregulating the expression of CDR1, the gene downstream of miR-671-5p. Circ_0001946 and CDR1 reduced proliferation, migration, and invasion and increased apoptosis in GBM cells, whereas miR-671-5p had an opposite effect. The xenograft mouse model and immunohistochemistry results indicated that circ_0001946 inhibited GBM growth as well as the expression of Ki67 in GBM cells. CONCLUSION Our study confirmed that the circ_0001946/miR-671-5p/ CDR1 pathway modulates the development of GBM, and this pathway might be a promising target for the development of therapeutics for GBM.
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Affiliation(s)
- Xinxing Li
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Hongyu Diao
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
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22
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Zhao H, Huang Y, Shi J, Dai Y, Wu L, Zhou H. ABCC10 Plays a Significant Role in the Transport of Gefitinib and Contributes to Acquired Resistance to Gefitinib in NSCLC. Front Pharmacol 2018; 9:1312. [PMID: 30515095 PMCID: PMC6256088 DOI: 10.3389/fphar.2018.01312] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 10/29/2018] [Indexed: 11/25/2022] Open
Abstract
Gefitinib, an epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (EGFR-TKI), is used clinically as first-line therapy in patients with advanced non-small cell lung cancer (NSCLC) with EGFR activating mutations, but the inevitable development of acquired resistance limits its efficacy. In up to 30–40% of NSCLC cases, the mechanism underlying acquired resistance remains unknown. ATP-binding cassette (ABC) transporters are a family of membrane proteins that can significantly influence the bioavailability of numerous drugs, and have confirmed to play an essential role in multidrug resistance (MDR) in cancer chemotherapy. However, their role in acquired resistance to gefitnib in NSCLC has not been well studied. Here, through RNA sequencing (RNA-Seq) technology we assessed the differentially expressed ABC transporters in gefitinib-sensitive (PC9 and H292) and gefitinib-resistant (PC9/GR and H292/GR) NSCLC cells, with ABCC10 identified as a transporter of interest. Both ABCC10 mRNA and protein were significantly increased in acquired gefitinib-resistant NSCLC cells, independent of EGFR mutation status. In vitro transport assay showed that ABCC10 could actively efflux gefitinib, with an efflux ratio (ER) of 7.8. Further results from in vitro cell line models and in vivo xenograft models showed that overexpression of ABCC10 led to a reduction in gefitinib sensitivity through decreasing the intracellular gefitinib accumulation. Our data suggest that ABCC10 has an important role in acquired resistance to gefitinib in NSCLC, which can serve as a novel predictive marker and a potential therapeutic target in gefitinib treatment.
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Affiliation(s)
- Hongbo Zhao
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
| | - Yutang Huang
- Institute of Life Sciences, Chongqing Medical University, Chongqing, China
| | - Jingjing Shi
- Institute of Life Sciences, Chongqing Medical University, Chongqing, China
| | - Yi Dai
- Institute of Life Sciences, Chongqing Medical University, Chongqing, China
| | - Lanxiang Wu
- Institute of Life Sciences, Chongqing Medical University, Chongqing, China
| | - Honghao Zhou
- Institute of Life Sciences, Chongqing Medical University, Chongqing, China.,Pharmacogenetics Research Institute, Institute of Clinical Pharmacology, Central South University, Changsha, China
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23
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Zhou B, Xu J, Tian Y, Yuan S, Li X. Correlation between radiomic features based on contrast-enhanced computed tomography images and Ki-67 proliferation index in lung cancer: A preliminary study. Thorac Cancer 2018; 9:1235-1240. [PMID: 30070037 PMCID: PMC6166048 DOI: 10.1111/1759-7714.12821] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 06/26/2018] [Accepted: 06/26/2018] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND The purpose of the study was to investigate the association between radiomic features based on contrast-enhanced multidetector computed tomography (CT) and the Ki-67 proliferation index (PI) in patients with lung cancer. METHODS One hundred and ten patients with lung cancer confirmed by surgical histology were retrospectively included. Radiomic features were extracted from preoperative contrast-enhanced chest multidetector CT images for each tumor using open-source three-dimensional Slicer software. Statistical analysis was performed to determine significant radiomic features serving as image predictors of Ki-67 status in lung cancer and to investigate the relationship between these features and Ki-67 PI. RESULTS Higher Ki-67 expression was more common in men (P = 0.02) and patients with a smoking history (P = 0.01). Twelve radiomic features were significantly associated with Ki-67 status. Multivariate logistic regression analysis identified inverse variance, minor axis, and elongation as independent predictors of Ki-67 PI. There was a positive correlation between inverse variance, minor axis, elongation (P = 0.00, P = 0.02, and P = 0.14, respectively) and Ki-67 PI. The area under the curve to identify high Ki-67 status for inverse variance was 0.77 with a cutoff value of 0.47, which was significantly higher than for minor axis and elongation (P = 0.02 and P = 0.03, respectively). CONCLUSION Radiomic features based on contrast CT images, including inverse variance, minor axis, and elongation, can serve as noninvasive predictors of Ki-67 status in patients with lung cancer. Inverse variance could be superior to the other radiomic features to identify high Ki-67 status.
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Affiliation(s)
- Bodong Zhou
- Department of Pancreatic CancerTianjin Medical University Cancer Institute and HospitalTianjinChina
- National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjinChina
| | - Jie Xu
- Department of Pancreatic CancerTianjin Medical University Cancer Institute and HospitalTianjinChina
- National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjinChina
- Senior WardTianjin Medical University Cancer Institute and HospitalTianjinChina
| | - Ye Tian
- National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjinChina
- Senior WardTianjin Medical University Cancer Institute and HospitalTianjinChina
| | - Shuai Yuan
- Department of Pancreatic CancerTianjin Medical University Cancer Institute and HospitalTianjinChina
- National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjinChina
| | - Xubin Li
- National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjinChina
- Department of RadiologyTianjin Medical University Cancer Institute and HospitalTianjinChina
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24
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Wei DM, Chen WJ, Meng RM, Zhao N, Zhang XY, Liao DY, Chen G. Augmented expression of Ki-67 is correlated with clinicopathological characteristics and prognosis for lung cancer patients: an up-dated systematic review and meta-analysis with 108 studies and 14,732 patients. Respir Res 2018; 19:150. [PMID: 30103737 PMCID: PMC6088431 DOI: 10.1186/s12931-018-0843-7] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 07/13/2018] [Indexed: 02/08/2023] Open
Abstract
Background Lung cancer ranks as the leading cause of cancer-related deaths worldwide and we performed this meta-analysis to investigate eligible studies and determine the prognostic effect of Ki-67. Methods In total, 108 studies in 95 articles with 14,732 patients were found to be eligible, of which 96 studies reported on overall survival (OS) and 19 studies reported on disease-free survival (DFS) with relation to Ki-67 expression in lung cancer patients. Results The pooled hazard ratio (HR) indicated that a high Ki-67 level could be a valuable prognostic factor for lung cancer (HR = 1.122 for OS, P < 0.001 and HR = 1.894 for DFS, P < 0.001). Subsequently, the results revealed that a high Ki-67 level was significantly associated with clinical parameters of lung cancer including age (odd ratio, OR = 1.246 for older patients, P = 0.018), gender (OR = 1.874 for males, P < 0.001) and smoking status (OR = 3.087 for smokers, P < 0.001). Additionally, significant positive correlations were found between Ki-67 overexpression and poorer differentiation (OR = 1.993, P = 0.003), larger tumor size (OR = 1.436, P = 0.003), and higher pathologic stages (OR = 1.867 for III-IV, P < 0.001). Furthermore, high expression of Ki-67 was found to be a valuable predictive factor for lymph node metastasis positive (OR = 1.653, P < 0.001) and advanced TNM stages (OR = 1.497 for stage III-IV, P = 0.024). Finally, no publication bias was detected in any of the analyses. Conclusions This study highlights that the high expression of Ki-67 is clinically relevant in terms of the prognostic and clinicopathological characteristics for lung cancer. Nevertheless, more prospective well-designed studies are warranted to validate these findings. Electronic supplementary material The online version of this article (10.1186/s12931-018-0843-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Dan-Ming Wei
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, People's Republic of China
| | - Wen-Jie Chen
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, People's Republic of China
| | - Rong-Mei Meng
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, People's Republic of China
| | - Na Zhao
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, People's Republic of China
| | - Xiang-Yu Zhang
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, People's Republic of China
| | - Dan-Yu Liao
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, People's Republic of China
| | - Gang Chen
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, People's Republic of China.
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25
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Androgen Receptor and Ki67 Expression and Survival Outcomes in Non-small Cell Lung Cancer. Discov Oncol 2018; 9:288-294. [PMID: 29915882 DOI: 10.1007/s12672-018-0336-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 06/04/2018] [Indexed: 10/14/2022] Open
Abstract
Lung cancer is the most common cause of cancer-related deaths worldwide with non-small cell lung cancer (NSCLC) making up most of these cases. Males have poorer overall survival compared to women following a lung cancer diagnosis. Many studies have focused on the effects of estrogen to explain higher survival rates among women, but few have looked at the effects of androgens. We describe the expression of the androgen receptor (AR) and Ki67 in lung cancer specimens in the Manitoba Tumor Bank (MTB) and correlate these factors with patient outcome. Using the MTB, we performed immunohistochemistry on lung cancer tissue to determine expression of the AR and Ki67. These were then correlated with patient outcome. Of the 136 cases, 55% were female and 55% were adenocarcinoma. AR expression was not independently associated with outcome. Ki67 was associated with a significantly higher hazard ratio for death and recurrence (HR 2.19, 95% CI 1.30-3.70; HR 1.92, 95% CI 1.07-3.46, respectively). AR expression modified the effect of Ki67 on outcome, such that when both were expressed, there was no association with recurrence or survival (HR 2.39, 95% CI 1.31-4.36 for AR- Ki67+ vs HR 1.54, 95% CI 0.44-5.37 for AR+ Ki67+). Ki67 was associated with poorer outcomes alone. AR status alone was not associated with outcome. Although the mechanism remains unclear, AR status seems to negate the association of a high Ki67 and poor outcome.
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26
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Sato N, Masuda N, Morimoto T, Ueno T, Kanbayashi C, Kaneko K, Yasojima H, Saji S, Sasano H, Morita S, Ohno S, Toi M. Neoadjuvant endocrine therapy with exemestane followed by response-guided combination therapy with low-dose cyclophosphamide in postmenopausal patients with estrogen receptor-positive breast cancer: A multicenter, open-label, phase II study. Cancer Med 2018; 7:3044-3056. [PMID: 29905023 PMCID: PMC6051169 DOI: 10.1002/cam4.1600] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 05/08/2018] [Accepted: 05/12/2018] [Indexed: 01/28/2023] Open
Abstract
Patients with estrogen receptor (ER)‐positive breast cancer are less likely to achieve a pathological complete response (pCR) with neoadjuvant chemotherapy. Neoadjuvant endocrine therapy may be more appropriate than neoadjuvant chemotherapy in these hormone‐sensitive patients. Most patients with ER‐positive breast cancer are postmenopausal, and therefore, generally older and less able to tolerate chemotherapy. We aimed to investigate the efficacy and safety of tailored neoadjuvant endocrine and chemoendocrine therapy for postmenopausal breast cancer patients. Untreated patients with primary invasive ER‐positive, HER2‐negative, stage I‐IIIA breast cancer, and Ki67 index ≤30% were enrolled. Patients received exemestane 25 mg/d for 12 weeks. Based on clinical response and change in Ki67 index, assessed at 8‐12 weeks, patients with complete response (CR), partial response (PR) with Ki67 index ≤5% after treatment, or stable disease (SD) with Ki67 index ≤5% before and after treatment were defined as responders. For the subsequent 24 weeks, responders continued exemestane monotherapy (group A), and nonresponders received exemestane 25 mg/d plus cyclophosphamide 50 mg/d (group B). The primary endpoint was clinical response at weeks 24 and 36. A total of 59 patients (median age, 69 years) started initial exemestane monotherapy. After exclusion of three patients who discontinued during this period, 56 remained enrolled to receive subsequent treatment. Clinical response rates (CR and PR) and 95% CI at weeks 24 and 36 were 85% (12/14; 57.2%‐98.2%) and 71% (10/14; 41.9%‐91.6%), respectively, in group A; and 54% (23/42; 38.7%‐70.2%) and 71% (30/42; 55.4%‐84.3%), respectively, in group B. At week 36, no significant difference was found in median Ki67 index between the groups (3.5% and 4.0%). There were no treatment‐related deaths. We found that clinical response comparable to that of responders was achieved in nonresponders after addition of cyclophosphamide to the initial endocrine therapy.
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Affiliation(s)
- Nobuaki Sato
- Department of Breast Oncology, Niigata Cancer Center Hospital, Niigata, Japan
| | - Norikazu Masuda
- Department of Surgery, Breast Oncology, National Hospital Organization Osaka National Hospital, Osaka, Japan
| | - Takashi Morimoto
- Department of Breast Surgery, Yao Municipal Hospital, Osaka, Japan
| | - Takayuki Ueno
- Breast Surgical Oncology, Breast Oncology Center, Cancer Institute Hospital, Tokyo, Japan
| | - Chizuko Kanbayashi
- Department of Breast Oncology, Niigata Cancer Center Hospital, Niigata, Japan
| | - Koji Kaneko
- Department of Breast Oncology, Niigata Cancer Center Hospital, Niigata, Japan
| | - Hiroyuki Yasojima
- Department of Surgery, Breast Oncology, National Hospital Organization Osaka National Hospital, Osaka, Japan
| | - Shigehira Saji
- Department of Medical Oncology, Fukushima Medical University, Fukushima, Japan
| | | | - Satoshi Morita
- Department of Biomedical Statistics and Bioinformatics, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Shinji Ohno
- Breast Oncology Center, Cancer Institute Hospital, Tokyo, Japan
| | - Masakazu Toi
- Department of Surgery (Breast Surgery), Graduate School of Medicine, Kyoto University, Kyoto, Japan
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Nakamura S, Hayashi K, Imaoka Y, Kitamura Y, Akazawa Y, Tabata K, Groen R, Tsuchiya T, Yamasaki N, Nagayasu T, Fukuoka J. Intratumoral heterogeneity of programmed cell death ligand-1 expression is common in lung cancer. PLoS One 2017; 12:e0186192. [PMID: 29049375 PMCID: PMC5648155 DOI: 10.1371/journal.pone.0186192] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 09/27/2017] [Indexed: 12/20/2022] Open
Abstract
Programmed cell death ligand-1 (PD-L1) expression may predict the response to both programmed cell death-1 and PD-L1 inhibitors in lung cancer. However, the extent of intratumoral heterogeneity of PD-L1 expression, which may cause false negative results, is largely unexplored. We aimed to assess the intratumoral heterogeneity of PD-L1 expression in surgically resected lung cancer specimens by applying a novel method of tissue microarray, namely Spiral Arrays, which enables us to observe the heterogeneity in spiral-shaped tissue cores. Adenocarcinoma and squamous cell carcinoma specimens were obtained from consecutive patients with lung cancer who had undergone surgical resection at Nagasaki University Hospital (Nagasaki, Japan) since 2009. Small cell lung cancer and large cell carcinoma specimens were selected from patients in the same archive who had undergone resection since 1998. Spiral Arrays were constructed of spiral-shaped cores, prepared from representative blocks of each case, which were subjected to immunohistochemistry using an anti-PD-L1 antibody. Each core was divided into 8 segments and each segment was classified as either PD-L1-positive or PD-L1-negative using thresholds of 1.0%, 5.0%, 10.0%, and 50.0%, respectively. In total, 138 specimens were selected, including 60 adenocarcinomas, 59 squamous cell carcinomas, 12 small cell lung cancers, and 7 large cell carcinomas. The majority of specimens with PD-L1-positive segments exhibited heterogeneous expression (i.e., had a mixture of PD-L1-positive and PD-L1-negative segments within a core) irrespective of the threshold (1.0%, 66.7%; 5.0%, 74.4%; 10.0%, 75.8%; and 50.0%, 85.7%]. Large variations in the ratios of PD-L1-positive segments were observed. At least 50.0% of the segments within a core were negative in no fewer than 50.0% (range, 50.0–76.0%) of cases with heterogeneous PD-L1 expression. In conclusion, intratumoral heterogeneity of PD-L1 expression was frequently observed in cases of lung cancer. Thus, multiple tumor biopsy specimens may be needed to accurately determine the PD-L1 expression status.
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Affiliation(s)
- Sayuri Nakamura
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kentaro Hayashi
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Yuki Imaoka
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Yuka Kitamura
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Yuko Akazawa
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kazuhiro Tabata
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Ruben Groen
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Tomoshi Tsuchiya
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Naoya Yamasaki
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Takeshi Nagayasu
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Junya Fukuoka
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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Yi J, Gao R, Chen Y, Yang Z, Han P, Zhang H, Dou Y, Liu W, Wang W, Du G, Xu Y, Wang J. Overexpression of NSUN2 by DNA hypomethylation is associated with metastatic progression in human breast cancer. Oncotarget 2017; 8:20751-20765. [PMID: 27447970 PMCID: PMC5400542 DOI: 10.18632/oncotarget.10612] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Accepted: 06/06/2016] [Indexed: 01/29/2023] Open
Abstract
NSUN2 is a RNA methyltransferase that has been shown to be implicated in development of human cancer. However, the functional role of NSUN2, mechanism of NSUN2 overexpression and its association with clinicopathologic features in breast cancer remain unclear. To investigate alterations in the expression and functional role of NSUN2 in breast cancer, NSUN2 expression was assessed in breast cancer cells and tissues obtained from cancers at different American Joint Committee on Cancer (AJCC) stages, and its functions were investigated using breast cancer cells. NSUN2 expression was shown to be significantly higher in breast cancer cells and tissues than in normal breast epithelial cells and tissues, at both mRNA and protein levels. Overexpression of NSUN2 was shown to promote cell proliferation, migration, and invasion while NSUN2 knockdown inhibited these processes in vitro and in vivo. NSUN2 expression level was associated with the methylation level of its promoter. Our results demonstrated that the overall expression of NSUN2 significantly correlated with clinical stage (P=0.027), tumor classification (P=0.012), pathological differentiation (P=0.023), as well as with the expression levels of estrogen receptor (P<0.001), progesterone receptor (P=0.001), and Ki-67 (P<0.001). Our findings provide a unique insight into the roles and effects of NSUN2 overexpression in breast cancer cells, and highlight the necessity of the investigation of novel therapeutic targets, such as NSUN2, for the improvement of breast cancer treatments.
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Affiliation(s)
- Jie Yi
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Beijing, People's Republic of China
| | - Ran Gao
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Beijing, People's Republic of China
| | - Yu Chen
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Beijing, People's Republic of China
| | - Zhuo Yang
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Beijing, People's Republic of China
| | - Pei Han
- Department of Biochemistry and Molecular Biology, Beijing Key Laboratory of Protein Posttranslational Modifications and Cell Function, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, People's Republic of China
| | - Hui Zhang
- Department of Pathology, Peking Union Medical College Hospital, Beijing, People's Republic of China
| | - Yaling Dou
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Beijing, People's Republic of China
| | - Wenjing Liu
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Beijing, People's Republic of China
| | - Wengong Wang
- Department of Biochemistry and Molecular Biology, Beijing Key Laboratory of Protein Posttranslational Modifications and Cell Function, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, People's Republic of China
| | - Guanhua Du
- The State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, People's Republic of China
| | - Yingchun Xu
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Beijing, People's Republic of China
| | - Jinhua Wang
- The State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, People's Republic of China
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29
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Multisite tumor sampling: a new tumor selection method to enhance intratumor heterogeneity detection. Hum Pathol 2017; 64:1-6. [DOI: 10.1016/j.humpath.2017.02.010] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 01/14/2017] [Accepted: 02/09/2017] [Indexed: 01/20/2023]
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Stakišaitis D, Mozūraitė R, Kavaliauskaitė D, Šlekienė L, Balnytė I, Juodžiukynienė N, Valančiūtė A. Sex-related differences of urethane and sodium valproate effects on Ki-67 expression in urethane-induced lung tumors of mice. Exp Ther Med 2017; 13:2741-2750. [PMID: 28587335 PMCID: PMC5450691 DOI: 10.3892/etm.2017.4324] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Accepted: 02/01/2017] [Indexed: 12/12/2022] Open
Abstract
The aim of the present study was to evaluate sex differences in tumorigenesis by assessing the number of Ki-67-positive cells [Ki-67(+)] in urethane-induced mice lung tumors and the effect of sodium valproate (NaVP) in BALB/c mice. Gonad-intact and gonadectomized female and male mice were divided into the following groups: i) Treated with urethane, ii) treated with urethane and NaVP and iii) gonad-intact or gonadectomized control. Urethane (total 50 mg/mouse) was injected intraperitoneally. The NaVP 0.4% solution was administered orally for 6 months. Histologically, lung tumors were divided into adenomas and adenocarcinomas and assessed immunohistochemically using antibodies against Ki-67. The Ki-67(+) was calculated per one mm2 of a tumor. In adenomas, Ki-67(+) in the urethane-treated gonad-intact males was significantly higher than in females (P=0.001) and in castrated males (P<0.01); Ki-67(+) in adenomas of the urethane-treated gonad-intact males was significantly higher than in urethane-NaVP-treated ones (P<0.04). No significant differences were found in analogous female groups. In adenocarcinomas, Ki-67(+) in urethane-treated gonad-intact males was significantly higher than in females and gonadectomized mice of both sexes (P<0.001), and in ovariectomized females was significantly higher than in ovary-intact group (P=0.01). A significantly higher number of Ki-67(+) cells were observed in gonad-intact adenocarcinomas of the urethane-NaVP-treated females compared with the urethane-treated ones (P<0.001). Comparing between urethane-NaVP-treated gonadectomized males and females in adenocarcinomas, determined that Ki-67(+) was significantly lower in females (P=0.005). In adenocarcinomas, Ki-67(+) in urethane-NaVP-treated gonadectomized males and females was significantly lower than in gonad-intact mice of the same sex (P<0.001). In summary, gonadectomy with NaVP treatment decreased Ki-67(+) in adenocarcinomas for mice of both sexes. The results of the present study indicate sex-related differences in mice lung tumorigenesis, and a sex-related effect of NaVP on progression in urethane-induced BALB/c mice lung tumors.
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Affiliation(s)
- Donatas Stakišaitis
- Laboratory of Cancer Epidemiology, National Cancer Institute, LT-08660 Vilnius, Lithuania.,Department of Histology and Embryology, Lithuanian University of Health Sciences, LT-44307 Kaunas, Lithuania
| | - Raminta Mozūraitė
- Department of Histology and Embryology, Lithuanian University of Health Sciences, LT-44307 Kaunas, Lithuania
| | - Dovilė Kavaliauskaitė
- Department of Histology and Embryology, Lithuanian University of Health Sciences, LT-44307 Kaunas, Lithuania
| | - Lina Šlekienė
- Department of Histology and Embryology, Lithuanian University of Health Sciences, LT-44307 Kaunas, Lithuania
| | - Ingrida Balnytė
- Department of Histology and Embryology, Lithuanian University of Health Sciences, LT-44307 Kaunas, Lithuania
| | - Nomeda Juodžiukynienė
- Veterinary Academy, Lithuanian University of Health Sciences, LT-47181 Kaunas, Lithuania
| | - Angelija Valančiūtė
- Department of Histology and Embryology, Lithuanian University of Health Sciences, LT-44307 Kaunas, Lithuania
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Park S, Lee E, Rhee S, Cho J, Choi S, Lee S, Eo JS, Pahk K, Choe JG, Kim S. Correlation between Semi-Quantitative (18)F-FDG PET/CT Parameters and Ki-67 Expression in Small Cell Lung Cancer. Nucl Med Mol Imaging 2016; 50:24-30. [PMID: 26941856 DOI: 10.1007/s13139-015-0363-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2015] [Revised: 07/26/2015] [Accepted: 08/05/2015] [Indexed: 12/16/2022] Open
Abstract
PURPOSE The aim of this study was to evaluate the relationship between semiquantitative parameters on (18)F-FDG PET/CT including maximum standardized uptake value (SUVmax), mean standardized uptake value (SUVmean), metabolic tumor volume (MTV), and total lesion glycolysis (TLG) and the expression level of Ki-67 in small-cell lung cancer (SCLC). METHODS Ninety-four consecutive patients with SCLC were enrolled in this study. They underwent (18)F-FDG PET/CT for initial evaluation of SCLC, and we measured SUVmax, avgSUVmean, MTVsum, and TLGtotal on (18)F-FDG PET/CT images. The protein expression of Ki-67 was examined by immunohistochemical staining. RESULTS Significant correlations were found between the MTVsum and Ki-67 labeling index (r = 0.254, p = 0.014) and the TLGtotal and Ki-67 labeling index (r = 0.239, p = 0.020). No correlation was found between the SUVmax and Ki-67 labeling index (r = 0.116, p = 0.264) and the avgSUVmean and Ki-67 labeling index (r = 0.031, p = 0.770). Dividing the Ki-67 expression level into three categories, it was suggested that increasing Ki-67 expression level caused a stepwise increase in the MTVsum and TLGtotal. (p = 0.028 and 0.039, respectively), but not the SUVmax and avgSUVmean (p = 0.526 and 0.729, respectively). CONCLUSION In conclusion, the volume-based parameters of (18)F-FDG PET/CT correlate with immunohistochemical staining of Ki-67 in SCLC. Measurement of the MTVsum and TLGtotal by (18)F-FDG PET/CT might be a simple, noninvasive, and useful method to determine the proliferative potential of cancer cells.
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Affiliation(s)
- Soyeon Park
- Department of Nuclear Medicine, Korea University Guro Hospital, Seoul, South Korea
| | - Eunsub Lee
- Department of Nuclear Medicine, Korea University Guro Hospital, Seoul, South Korea
| | - Seunghong Rhee
- Department of Nuclear Medicine, Korea University Anam Hospital, #73, Inchon-ro, Seongbuk-gu, Seoul, 136-705 South Korea
| | - Jaehyuk Cho
- Department of Nuclear Medicine, Korea University Anam Hospital, #73, Inchon-ro, Seongbuk-gu, Seoul, 136-705 South Korea
| | - Sunju Choi
- Department of Nuclear Medicine, Korea University Anam Hospital, #73, Inchon-ro, Seongbuk-gu, Seoul, 136-705 South Korea
| | - Sinae Lee
- Department of Nuclear Medicine, G Sam Hospital, Gunpo, South Korea
| | - Jae Seon Eo
- Department of Nuclear Medicine, Korea University Guro Hospital, Seoul, South Korea
| | - Kisoo Pahk
- Department of Nuclear Medicine, Korea University Anam Hospital, #73, Inchon-ro, Seongbuk-gu, Seoul, 136-705 South Korea ; Department of Neuroscience, College of Medicine, Korea University, Seoul, South Korea
| | - Jae Gol Choe
- Department of Nuclear Medicine, Korea University Anam Hospital, #73, Inchon-ro, Seongbuk-gu, Seoul, 136-705 South Korea
| | - Sungeun Kim
- Department of Nuclear Medicine, Korea University Anam Hospital, #73, Inchon-ro, Seongbuk-gu, Seoul, 136-705 South Korea
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Prognostic Significance of N-Glycolyl GM3 Ganglioside Expression in Non-Small Cell Lung Carcinoma Patients: New Evidences. PATHOLOGY RESEARCH INTERNATIONAL 2015; 2015:132326. [PMID: 26634172 PMCID: PMC4655068 DOI: 10.1155/2015/132326] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Accepted: 09/16/2015] [Indexed: 12/22/2022]
Abstract
The prognostic role of N-glycolyl GM3 ganglioside (NeuGcGM3) expression in non-small cell lung carcinoma (NSCLC) still remains controversial. In this study, the NeuGcGM3 expression was reevaluated using an increased number of NSCLC cases and the 14F7 Mab (a highly specific IgG1 raised against NeuGcGM3). An immunohistochemical score integrating the percentage of 14F7-positive cells and the intensity of reaction was applied to reassess the relationship between NeuGcGM3 expression, some clinicopathological features, and the overall survival (OS) of NSCLC patients. The double and the triple expression of NeuGcGM3 with the epidermal growth factor receptor (EGFR) and/or its ligand, the epidermal growth factor (EGF), were also evaluated. NeuGcGM3 expression correlates with both S-Phase fraction (p = 0.006) and proliferation index (p = 0.000). Additionally, NeuGcGM3 expression was associated with a poor OS of patients in both univariate (p = 0.020) and multivariate (p = 0.010) analysis. Moreover, the double and/or the triple positivity of tumors to NeuGcGM3, EGFR, and/or EGF permitted us to identify phenotypes of NSCLC with a more aggressive biological behavior. Our results are in agreement with the negative prognostic significance of NeuGcGM3 expression in NSCLC patients. However, standardization of techniques to determine the expression of NeuGcGM3 in NSCLC as well as the implementation of a universal scoring system is recommended.
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Zhang Q, Wang H, Wu X, Liu B, Liu W, Wang R, Liang X, Ma C, Gao L. TIM-4 promotes the growth of non-small-cell lung cancer in a RGD motif-dependent manner. Br J Cancer 2015; 113:1484-92. [PMID: 26512878 PMCID: PMC4815884 DOI: 10.1038/bjc.2015.323] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Revised: 06/29/2015] [Accepted: 08/14/2015] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND T-cell immunoglobulin domain and mucin domain 4 (TIM-4) is exclusively expressed in antigen-presenting cells and involved in immune regulation. However, the role of TIM-4 expressed in tumour cells remains completely unknown. METHODS Immunohistochemistry staining was used to examine TIM-4 or Ki-67 expression in tumour tissues. Real-time PCR or RT-PCR was performed to detect TIM-4 mRNA expression. Lung cancer cell growth and proliferation were conducted by CCK-8 assay and EdU staining. Cell cycle progression was analysed by flow cytometry. The PCNA and cell cycle-related proteins were verified by western blot. Co-IP assay was used to identify the interaction of TIM-4 and integrin αvβ3. The efficacy of TIM-4 in vivo was evaluated using xenograft tumour model. RESULTS The expression of TIM-4 in non-small-cell lung cancer (NSCLC) tissues was significantly higher than that of the adjacent tissues. Enhanced TIM-4 expression was negatively correlated with histological differentiation of lung carcinoma and lifespan of patients. Overexpression of TIM-4 promoted lung cancer cell growth and proliferation, and upregulated the expression of PCNA, cyclin A, cyclin B1 and cyclin D1, accompanied by accumulation of lung cancer cells in S phase. Interestingly, Arg-Gly-Asp (RGD) motif mutation abolished the effect of TIM-4 on lung cancer cells, which was further verified by tumour xenografts in mice. Furthermore, we found that TIM-4 interacted with αvβ3 integrin through RGD motif. CONCLUSIONS This finding suggests that TIM-4 might be a potential biomarker for NSCLC that promotes lung cancer progression by RGD motif.
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Affiliation(s)
- Qianqian Zhang
- Department of Immunology, Key Laboratory for Experimental Teratology of Ministry of Education, Shandong Provincial Key Laboratory of Infection & Immunology, Shandong University School of Medicine, 44 Wenhua Xi Road, Jinan, Shandong 250012, People's Republic of China.,Institute of Cardiovascular Disease, General Hospital of Ji'nan Military Region, 8 Lashan Road, Ji'nan, Shandong 250022, People's Republic of China
| | - Hongxing Wang
- Department of Immunology, Key Laboratory for Experimental Teratology of Ministry of Education, Shandong Provincial Key Laboratory of Infection & Immunology, Shandong University School of Medicine, 44 Wenhua Xi Road, Jinan, Shandong 250012, People's Republic of China
| | - Xiaodong Wu
- Department of Immunology, Key Laboratory for Experimental Teratology of Ministry of Education, Shandong Provincial Key Laboratory of Infection & Immunology, Shandong University School of Medicine, 44 Wenhua Xi Road, Jinan, Shandong 250012, People's Republic of China.,Department of Packaging, Jinan Blood Centre, 127 Jing Qi Road, Jinan, Shandong 250021, People's Republic of China
| | - Bing Liu
- Department of Immunology, Key Laboratory for Experimental Teratology of Ministry of Education, Shandong Provincial Key Laboratory of Infection & Immunology, Shandong University School of Medicine, 44 Wenhua Xi Road, Jinan, Shandong 250012, People's Republic of China
| | - Wen Liu
- Department of Immunology, Key Laboratory for Experimental Teratology of Ministry of Education, Shandong Provincial Key Laboratory of Infection & Immunology, Shandong University School of Medicine, 44 Wenhua Xi Road, Jinan, Shandong 250012, People's Republic of China
| | - Rong Wang
- Department of Immunology, Key Laboratory for Experimental Teratology of Ministry of Education, Shandong Provincial Key Laboratory of Infection & Immunology, Shandong University School of Medicine, 44 Wenhua Xi Road, Jinan, Shandong 250012, People's Republic of China
| | - Xiaohong Liang
- Department of Immunology, Key Laboratory for Experimental Teratology of Ministry of Education, Shandong Provincial Key Laboratory of Infection & Immunology, Shandong University School of Medicine, 44 Wenhua Xi Road, Jinan, Shandong 250012, People's Republic of China
| | - Chunhong Ma
- Department of Immunology, Key Laboratory for Experimental Teratology of Ministry of Education, Shandong Provincial Key Laboratory of Infection & Immunology, Shandong University School of Medicine, 44 Wenhua Xi Road, Jinan, Shandong 250012, People's Republic of China
| | - Lifen Gao
- Department of Immunology, Key Laboratory for Experimental Teratology of Ministry of Education, Shandong Provincial Key Laboratory of Infection & Immunology, Shandong University School of Medicine, 44 Wenhua Xi Road, Jinan, Shandong 250012, People's Republic of China
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Karaman A, Durur-Subasi I, Alper F, Araz O, Subasi M, Demirci E, Albayrak M, Polat G, Akgun M, Karabulut N. Correlation of diffusion MRI with the Ki-67 index in non-small cell lung cancer. Radiol Oncol 2015; 49:250-5. [PMID: 26401130 PMCID: PMC4577221 DOI: 10.1515/raon-2015-0032] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Accepted: 07/09/2015] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND The primary objective of the study was to evaluate the association between the minimum apparent diffusion coefficient (ADCmin) and Ki-67, an index for cellular proliferation, in non-small cell lung cancers. Also, we aimed to assess whether ADCmin values differ between tumour subtypes and tissue sampling method. METHODS The patients who had diffusion weighted magnetic resonance imaging (DW-MRI) were enrolled retrospectively. The correlation between ADCmin and the Ki-67 index was evaluated. RESULTS Ninety three patients, with a mean age 65 ± 11 years, with histopathologically proven adenocarcinoma and squamous cell carcinoma of the lungs and had technically successful DW-MRI were included in the study. The numbers of tumour subtypes were 47 for adenocarcinoma and 46 for squamous cell carcinoma. There was a good negative correlation between ADCmin values and the Ki-67 proliferation index (r = -0.837, p < 0.001). The mean ADCmin value was higher and the mean Ki-67 index was lower in adenocarcinomas compared to squamous cell carcinoma (p < 0.0001). There was no statistical difference between tissue sampling methods. CONCLUSIONS Because ADCmin shows a good but negative correlation with Ki-67 index, it provides an opportunity to evaluate tumours and their aggressiveness and may be helpful in the differentiation of subtypes non-invasively.
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Affiliation(s)
- Adem Karaman
- Department of Radiology, Ataturk University, Medical Faculty, Erzurum, Turkey
| | - Irmak Durur-Subasi
- Department of Radiology, Ataturk University, Medical Faculty, Erzurum, Turkey
| | - Fatih Alper
- Department of Radiology, Ataturk University, Medical Faculty, Erzurum, Turkey
| | - Omer Araz
- Department of Pulmonary Diseases, Ataturk University, Medical Faculty, Erzurum, Turkey
| | - Mahmut Subasi
- Department of Thoracic Surgery, Erzurum Regional Training and Research Hospital, Erzurum, Turkey
| | - Elif Demirci
- Department of Pathology, Ataturk University, Medical Faculty, Erzurum, Turkey
| | - Mevlut Albayrak
- Department of Pathology, Ataturk University, Medical Faculty, Erzurum, Turkey
| | - Gökhan Polat
- Department of Radiology, Ataturk University, Medical Faculty, Erzurum, Turkey
| | - Metin Akgun
- Department of Pulmonary Diseases, Ataturk University, Medical Faculty, Erzurum, Turkey
| | - Nevzat Karabulut
- Department of Radiology, Pamukkale University, Medical Faculty, Denizli, Turkey
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35
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Kim CH, Lee HS, Park JH, Choi JH, Jang SH, Park YB, Lee MG, Hyun IG, Kim KI, Kim HS, Cho SW, Lee WY, Kim EJ, Kim H, Shim JW, Choi YH. Prognostic role of p53 and Ki-67 immunohistochemical expression in patients with surgically resected lung adenocarcinoma: a retrospective study. J Thorac Dis 2015; 7:822-33. [PMID: 26101637 DOI: 10.3978/j.issn.2072-1439.2015.05.02] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Accepted: 04/16/2015] [Indexed: 12/19/2022]
Abstract
OBJECTIVE p53 mutations and the Ki-67 protein are frequently observed in various types of human cancer; the abnormal expression of p53 and Ki-67 in the tumor is associated with poor survival of lung cancer patients. We aimed to assess the prognostic role of immunohistochemical (IHC) expression of p53 and Ki-67 in lung adenocarcinoma tissue. METHODS Tumor samples from 136 patients who had undergone surgical resection for lung adenocarcinoma were retrospectively evaluated for p53 and Ki-67 expression by immunohistochemistry. Associations of clinical and pathologic variables with p53 and Ki-67 were determined using the χ(2) test. After excluding two patients (follow-up loss), 134 cases were evaluated for associations between p53, Ki-67, clinical and pathologic variables, and survival by using the Cox proportional hazards regression model and Kaplan-Meier method. RESULTS In the 136 patients, p53 was positive in 71.0% (93/131), and Ki-67 showed high in 49.2% (61/124). Unlike p53, Ki-67 was associated with male sex, smoking, and poor tumor differentiation (P=0.004, P=0.001 and P=0.006). Of these, poor tumor differentiation strongly was correlated with high level of Ki-67 expression (P=0.008). Neither p53 nor Ki-67 was associated with increased risk of death (P=0.318, P=0.053); however, age ≥60 years and lymph node involvement were significant predictors of death (P=0.039 and P=0.042). The log-rank test revealed a significant association between Ki-67 and lower survival in all patients (χ(2)=5637; P=0.018); however, the risk was limited to stage III cases (χ(2)=5.939; P=0.015). Unlike p53, patients with high level of Ki-67 expression showed lower 3-year actuarial survival than those without (log-rank test, χ(2)=4.936; P=0.026). CONCLUSIONS IHC expression of Ki-67 in lung adenocarcinoma tissue shows stronger association with poor tumor differentiation, and negatively affects patients' survival in advanced-stage lung cancer; however, the role of p53 on patient outcome needs further study.
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Affiliation(s)
- Cheol-Hong Kim
- Departments of 1 Internal Medicine and Lung Research Institute, 2 Thoracic and Cardiovascular Surgery, 3 Radiation Oncology and 4 Pathology, Hallym University College of Medicine, Chuncheon, Korea
| | - Hee Sung Lee
- Departments of 1 Internal Medicine and Lung Research Institute, 2 Thoracic and Cardiovascular Surgery, 3 Radiation Oncology and 4 Pathology, Hallym University College of Medicine, Chuncheon, Korea
| | - Ju-Hee Park
- Departments of 1 Internal Medicine and Lung Research Institute, 2 Thoracic and Cardiovascular Surgery, 3 Radiation Oncology and 4 Pathology, Hallym University College of Medicine, Chuncheon, Korea
| | - Jeong-Hee Choi
- Departments of 1 Internal Medicine and Lung Research Institute, 2 Thoracic and Cardiovascular Surgery, 3 Radiation Oncology and 4 Pathology, Hallym University College of Medicine, Chuncheon, Korea
| | - Seung-Hun Jang
- Departments of 1 Internal Medicine and Lung Research Institute, 2 Thoracic and Cardiovascular Surgery, 3 Radiation Oncology and 4 Pathology, Hallym University College of Medicine, Chuncheon, Korea
| | - Yong-Bum Park
- Departments of 1 Internal Medicine and Lung Research Institute, 2 Thoracic and Cardiovascular Surgery, 3 Radiation Oncology and 4 Pathology, Hallym University College of Medicine, Chuncheon, Korea
| | - Myung Goo Lee
- Departments of 1 Internal Medicine and Lung Research Institute, 2 Thoracic and Cardiovascular Surgery, 3 Radiation Oncology and 4 Pathology, Hallym University College of Medicine, Chuncheon, Korea
| | - In Gyu Hyun
- Departments of 1 Internal Medicine and Lung Research Institute, 2 Thoracic and Cardiovascular Surgery, 3 Radiation Oncology and 4 Pathology, Hallym University College of Medicine, Chuncheon, Korea
| | - Kun Il Kim
- Departments of 1 Internal Medicine and Lung Research Institute, 2 Thoracic and Cardiovascular Surgery, 3 Radiation Oncology and 4 Pathology, Hallym University College of Medicine, Chuncheon, Korea
| | - Hyoung Soo Kim
- Departments of 1 Internal Medicine and Lung Research Institute, 2 Thoracic and Cardiovascular Surgery, 3 Radiation Oncology and 4 Pathology, Hallym University College of Medicine, Chuncheon, Korea
| | - Sung Woo Cho
- Departments of 1 Internal Medicine and Lung Research Institute, 2 Thoracic and Cardiovascular Surgery, 3 Radiation Oncology and 4 Pathology, Hallym University College of Medicine, Chuncheon, Korea
| | - Won Yong Lee
- Departments of 1 Internal Medicine and Lung Research Institute, 2 Thoracic and Cardiovascular Surgery, 3 Radiation Oncology and 4 Pathology, Hallym University College of Medicine, Chuncheon, Korea
| | - Eung-Joong Kim
- Departments of 1 Internal Medicine and Lung Research Institute, 2 Thoracic and Cardiovascular Surgery, 3 Radiation Oncology and 4 Pathology, Hallym University College of Medicine, Chuncheon, Korea
| | - Haeyoung Kim
- Departments of 1 Internal Medicine and Lung Research Institute, 2 Thoracic and Cardiovascular Surgery, 3 Radiation Oncology and 4 Pathology, Hallym University College of Medicine, Chuncheon, Korea
| | - Jung Weon Shim
- Departments of 1 Internal Medicine and Lung Research Institute, 2 Thoracic and Cardiovascular Surgery, 3 Radiation Oncology and 4 Pathology, Hallym University College of Medicine, Chuncheon, Korea
| | - Young Hee Choi
- Departments of 1 Internal Medicine and Lung Research Institute, 2 Thoracic and Cardiovascular Surgery, 3 Radiation Oncology and 4 Pathology, Hallym University College of Medicine, Chuncheon, Korea
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Supernat A, Lapińska-Szumczyk S, Majewska H, Gulczyński J, Biernat W, Wydra D, Zaczek AJ. Tumor heterogeneity at protein level as an independent prognostic factor in endometrial cancer. Transl Oncol 2014; 7:613-9. [PMID: 25048628 PMCID: PMC4225657 DOI: 10.1016/j.tranon.2014.06.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Revised: 06/19/2014] [Accepted: 06/23/2014] [Indexed: 12/17/2022] Open
Abstract
Intratumor heterogeneity implies heterogeneous protein function, facilitating tumor adaptation which results in therapeutic failure. We hypothesized that tumor heterogeneity at protein level may influence the course of the disease. As a single biopsy might not represent the full biologic complexity of the tumor, we have analyzed immunohistochemically four different cores obtained from each primary tumor within the cohort of 364 patients with endometrial cancer (EC). The following proteins were examined: estrogen receptor 1 (ESR1), progesterone receptor, epidermal growth factor receptor, v-erb-b2 erythroblastic leukemia viral oncogene homolog 2, receptor tyrosine-protein kinase erbB-3, v-erb-b2 avian erythroblastic leukemia viral oncogene homolog 4, phosphatidylinositol-4,5-bisphosphate 3-kinase, phosphorylated v-akt murine thymoma viral oncogene homolog 1, v-myc avian myelocytomatosis viral oncogene homolog, DNA topoisomerase II alpha 170 kDa (TOP2A), cyclin-dependent kinase inhibitor 2A (CDKN2A), tumor protein p53, RAD21 homolog, S. pombe, and runt-related transcription factor 1. Particularly strong correlation was found between TOP2A and CDKN2A heterogeneity and higher stage of the disease (P = .0002 and P = .0003, respectively). Most correlations with clinicopathologic data were observed for ESR1 heterogeneity that correlated with non-endometrioid carcinomas (P=.02), higher stage (P=.005), grade (P=.01), and the presence of metastases (P = .01). Thirty-nine (11.0%) patients were classified as “globally heterogeneous”. Cumulative tumor heterogeneity strongly correlated with the presence of metastases, higher stage, and higher grade of the disease (all P b .05). It also carried negative prognostic value (P=.0008). We show that the degree of heterogeneity in EC might serve as a clinically valid molecular marker.
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Affiliation(s)
- Anna Supernat
- Department of Medical Biotechnology, Intercollegiate Faculty of Biotechnology, University of Gdańsk and Medical University of Gdańsk, 80-211 Gdańsk, Poland
| | - Sylwia Lapińska-Szumczyk
- Department of Gynaecology, Gynaecological Oncology and Gynaecological Endocrinology, Medical University of Gdańsk, 80-402 Gdańsk, Poland
| | - Hanna Majewska
- Department of Pathomorphology, Medical University of Gdańsk, 80-214 Gdańsk, Poland
| | - Jacek Gulczyński
- Department of Pathology and Neuropathology, Medical University of Gdańsk, 80-211 Gdańsk, Poland
| | - Wojciech Biernat
- Department of Pathomorphology, Medical University of Gdańsk, 80-214 Gdańsk, Poland
| | - Dariusz Wydra
- Department of Gynaecology, Gynaecological Oncology and Gynaecological Endocrinology, Medical University of Gdańsk, 80-402 Gdańsk, Poland
| | - Anna J Zaczek
- Department of Medical Biotechnology, Intercollegiate Faculty of Biotechnology, University of Gdańsk and Medical University of Gdańsk, 80-211 Gdańsk, Poland.
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