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Xu X, Lin J, Wang J, Wang Y, Zhu Y, Wang J, Guo J. SPP1 expression indicates outcome of immunotherapy plus tyrosine kinase inhibition in advanced renal cell carcinoma. Hum Vaccin Immunother 2024; 20:2350101. [PMID: 38738709 PMCID: PMC11093034 DOI: 10.1080/21645515.2024.2350101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 04/28/2024] [Indexed: 05/14/2024] Open
Abstract
Clinical guidelines have recently advised combination therapy involving immunotherapy (IO) and tyrosine kinase inhibitors (TKI) as the first-line therapy approach for advanced renal cell carcinoma (RCC). Nevertheless, there is currently no available biomarker that can effectively distinguish the progression-free survival (PFS). RNA-sequencing and immunohistochemistry were conducted on our cohort of metastatic RCC patients, namely ZS-MRCC, who received combination therapy consisting of IO and TKI. We further applied RNA-sequencing, immunohistochemistry, and flow cytometry to examine the immune cell infiltration and functionality inside the tumor microenvironment of high-risk localized RCC samples. SPP1 expression was significantly higher in non-responders to IO-TKI therapy. Elevated levels of SPP1 were associated with poor PFS in both the ZS-MRCC cohort (HR = 2.73, p = .018) and validated in the JAVELIN Renal 101 cohort (HR = 1.61, p = .004). By multivariate Cox analysis, SPP1 was identified as a significant independent prognosticator. Furthermore, there existed a negative correlation between elevated levels of SPP1 and the presence of GZMB+CD8+ T cells (Spearman's ρ= -0.48, p < .001). Conversely, SPP1 expression is associated with T cell exhaustion markers. A significant increase in the abundance of Tregs was observed in tumors with high levels of SPP1. Additionally, a machine-learning-based model was constructed to predict the benefit of IO-TKI treatment. High SPP1 is associated with therapeutic resistance and unfavorable PFS in IO-TKI therapy. SPP1 expression have also been observed to be indicative of malfunction and exhaustion in T cells. Increased SPP1 expression has the potential to serve as a potential biomarker for treatment selection of metastatic RCC.
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Affiliation(s)
- Xianglai Xu
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
- Department of Urology, Zhongshan Hospital (Xiamen), Fudan University, Xiamen, China
- Xiamen Clinical Research Center for Cancer Therapy, Zhongshan Hospital (Xiamen), Fudan University, Xiamen, China
| | - Jinglai Lin
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
- Department of Urology, Zhongshan Hospital (Xiamen), Fudan University, Xiamen, China
- Xiamen Clinical Research Center for Cancer Therapy, Zhongshan Hospital (Xiamen), Fudan University, Xiamen, China
| | - Jiahao Wang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ying Wang
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yanjun Zhu
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jiajun Wang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jianming Guo
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
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Panda VK, Mishra B, Nath AN, Butti R, Yadav AS, Malhotra D, Khanra S, Mahapatra S, Mishra P, Swain B, Majhi S, Kumari K, Radharani NNV, Kundu GC. Osteopontin: A Key Multifaceted Regulator in Tumor Progression and Immunomodulation. Biomedicines 2024; 12:1527. [PMID: 39062100 PMCID: PMC11274826 DOI: 10.3390/biomedicines12071527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Revised: 06/22/2024] [Accepted: 06/25/2024] [Indexed: 07/28/2024] Open
Abstract
The tumor microenvironment (TME) is composed of various cellular components such as tumor cells, stromal cells including fibroblasts, adipocytes, mast cells, lymphatic vascular cells and infiltrating immune cells, macrophages, dendritic cells and lymphocytes. The intricate interplay between these cells influences tumor growth, metastasis and therapy failure. Significant advancements in breast cancer therapy have resulted in a substantial decrease in mortality. However, existing cancer treatments frequently result in toxicity and nonspecific side effects. Therefore, improving targeted drug delivery and increasing the efficacy of drugs is crucial for enhancing treatment outcome and reducing the burden of toxicity. In this review, we have provided an overview of how tumor and stroma-derived osteopontin (OPN) plays a key role in regulating the oncogenic potential of various cancers including breast. Next, we dissected the signaling network by which OPN regulates tumor progression through interaction with selective integrins and CD44 receptors. This review addresses the latest advancements in the roles of splice variants of OPN in cancer progression and OPN-mediated tumor-stromal interaction, EMT, CSC enhancement, immunomodulation, metastasis, chemoresistance and metabolic reprogramming, and further suggests that OPN might be a potential therapeutic target and prognostic biomarker for the evolving landscape of cancer management.
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Affiliation(s)
- Venketesh K. Panda
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, India; (V.K.P.); (B.M.); (A.N.N.); (D.M.); (S.K.); (S.M.); (P.M.); (B.S.); (S.M.); (K.K.)
| | - Barnalee Mishra
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, India; (V.K.P.); (B.M.); (A.N.N.); (D.M.); (S.K.); (S.M.); (P.M.); (B.S.); (S.M.); (K.K.)
| | - Angitha N. Nath
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, India; (V.K.P.); (B.M.); (A.N.N.); (D.M.); (S.K.); (S.M.); (P.M.); (B.S.); (S.M.); (K.K.)
| | - Ramesh Butti
- Division of Hematology and Oncology, Department of Internal Medicine, Southwestern Medical Center, University of Texas, Dallas, TX 75235, USA;
| | - Amit Singh Yadav
- Biomedical Centre, Faculty of Medicine, Lund University, 223 62 Lund, Sweden; (A.S.Y.); (N.N.V.R.)
| | - Diksha Malhotra
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, India; (V.K.P.); (B.M.); (A.N.N.); (D.M.); (S.K.); (S.M.); (P.M.); (B.S.); (S.M.); (K.K.)
| | - Sinjan Khanra
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, India; (V.K.P.); (B.M.); (A.N.N.); (D.M.); (S.K.); (S.M.); (P.M.); (B.S.); (S.M.); (K.K.)
| | - Samikshya Mahapatra
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, India; (V.K.P.); (B.M.); (A.N.N.); (D.M.); (S.K.); (S.M.); (P.M.); (B.S.); (S.M.); (K.K.)
| | - Priyanka Mishra
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, India; (V.K.P.); (B.M.); (A.N.N.); (D.M.); (S.K.); (S.M.); (P.M.); (B.S.); (S.M.); (K.K.)
| | - Biswajit Swain
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, India; (V.K.P.); (B.M.); (A.N.N.); (D.M.); (S.K.); (S.M.); (P.M.); (B.S.); (S.M.); (K.K.)
| | - Sambhunath Majhi
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, India; (V.K.P.); (B.M.); (A.N.N.); (D.M.); (S.K.); (S.M.); (P.M.); (B.S.); (S.M.); (K.K.)
| | - Kavita Kumari
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, India; (V.K.P.); (B.M.); (A.N.N.); (D.M.); (S.K.); (S.M.); (P.M.); (B.S.); (S.M.); (K.K.)
| | - N. N. V. Radharani
- Biomedical Centre, Faculty of Medicine, Lund University, 223 62 Lund, Sweden; (A.S.Y.); (N.N.V.R.)
| | - Gopal C. Kundu
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, India; (V.K.P.); (B.M.); (A.N.N.); (D.M.); (S.K.); (S.M.); (P.M.); (B.S.); (S.M.); (K.K.)
- Kalinga Institute of Medical Sciences (KIMS), KIIT Deemed to be University, Bhubaneswar 751024, India
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Włodarczyk M, Ciebiera M, Nowicka G, Łoziński T, Ali M, Al-Hendy A. Epigallocatechin Gallate for the Treatment of Benign and Malignant Gynecological Diseases-Focus on Epigenetic Mechanisms. Nutrients 2024; 16:559. [PMID: 38398883 PMCID: PMC10893337 DOI: 10.3390/nu16040559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 02/10/2024] [Accepted: 02/15/2024] [Indexed: 02/25/2024] Open
Abstract
The most common malignant gynecologic diseases are cervical, uterine, ovarian, vaginal, and vulvar cancer. Among them, ovarian cancer causes more deaths than any other cancer of the female reproductive system. A great number of women suffer from endometriosis, uterine fibroids (UFs), adenomyosis, dysmenorrhea, and polycystic ovary syndrome (PCOS), which are widespread benign health problems causing troublesome and painful symptoms and significantly impairing the quality of life of affected women, and they are some of the main causes of infertility. In addition to the available surgical and pharmacological options, the effects of supporting standard treatment with naturally occurring compounds, mainly polyphenols, are being studied. Catechins are responsible for the majority of potential health benefits attributed to green tea consumption. Epigallocatechin gallate (EGCG) is considered a non-toxic, natural compound with potential anticancer properties. Antioxidant action is its most common function, but attention is also drawn to its participation in cell division inhibition, apoptosis stimulation and epigenetic regulation. In this narrative review, we describe the role of EGCG consumption in preventing the development of benign reproductive disorders such as UF, endometriosis, and PCOS, as well as malignant gynecologic conditions. We discuss possible epigenetic mechanisms that may be related to the action of EGCG.
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Affiliation(s)
- Marta Włodarczyk
- Department of Biochemistry and Pharmacogenomics, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1B, 02-097 Warsaw, Poland;
- Centre for Preclinical Research, Medical University of Warsaw, Banacha 1B, 02-097 Warsaw, Poland
| | - Michał Ciebiera
- Second Department of Obstetrics and Gynecology, Centre of Postgraduate Medical Education, 00-189 Warsaw, Poland;
- Warsaw Institute of Women’s Health, 00-189 Warsaw, Poland
- Development and Research Center of Non-Invasive Therapies, Pro-Familia Hospital, 35-302 Rzeszów, Poland
| | - Grażyna Nowicka
- Department of Biochemistry and Pharmacogenomics, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1B, 02-097 Warsaw, Poland;
- Centre for Preclinical Research, Medical University of Warsaw, Banacha 1B, 02-097 Warsaw, Poland
| | - Tomasz Łoziński
- Department of Obstetrics and Gynecology, Pro-Familia Hospital, 35-302 Rzeszow, Poland;
- Department of Gynecology and Obstetrics, Institute of Medical Sciences, College of Medical Sciences, University of Rzeszow, 35-310 Rzeszow, Poland
| | - Mohamed Ali
- Department of Obstetrics and Gynecology, University of Chicago, 5841 S. Maryland Ave., Chicago, IL 60637, USA; (M.A.); (A.A.-H.)
| | - Ayman Al-Hendy
- Department of Obstetrics and Gynecology, University of Chicago, 5841 S. Maryland Ave., Chicago, IL 60637, USA; (M.A.); (A.A.-H.)
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Osteopontin and Cancer: Insights into Its Role in Drug Resistance. Biomedicines 2023; 11:biomedicines11010197. [PMID: 36672705 PMCID: PMC9855437 DOI: 10.3390/biomedicines11010197] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/04/2023] [Accepted: 01/09/2023] [Indexed: 01/13/2023] Open
Abstract
Cancer is one of the leading causes of mortality worldwide. Currently, drug resistance is the main obstacle in cancer treatments with the underlying mechanisms of drug resistance yet to be fully understood. Osteopontin (OPN) is a member of the integrin binding glycophosphoprotein family that is overexpressed in several tumour types. It is involved in drug transport, apoptosis, stemness, energy metabolism, and autophagy, which may contribute to drug resistance. Thus, understanding the role of OPN in cancer drug resistance could be important. This review describes the OPN-based mechanisms that might contribute to cancer drug resistance, demonstrating that OPN may be a viable target for cancer therapy to reduce drug resistance in sensitive tumours.
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Qin S, Yi L, Liang Y, Chen Y, Wang W, Liao Y, Zhang C, Huang H, Huang J, Yao S. Biological and Clinicopathological Characteristics of OPN in Cervical Cancers. Front Genet 2022; 13:836509. [PMID: 35669197 PMCID: PMC9163571 DOI: 10.3389/fgene.2022.836509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 04/08/2022] [Indexed: 12/24/2022] Open
Abstract
Background: Cervical cancer (CC) is the most common gynecological malignancy. Recently, an increasing number of studies have indicated that osteopontin (OPN) is a promising diagnostic and prognostic biomarker for CC. However, the biological role and detailed mechanism of OPN in CC remain unclear. Methods: The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO) datasets and a clinical sample microarray were used in our study. To identify the clinicopathological characteristics of OPN in CC, we compared the expression of OPN between normal and CC tissue samples and analyzed the correlations between OPN expression and multiple clinicopathological features. To identify biological processes involving OPN, OPN-associated genes were screened with Pearson correlation analysis and applied in hallmark gene set enrichment analysis (GSEA). Additionally, leukocyte infiltration was evaluated based on OPN expression. Finally, OPN-related signaling pathways were identified by GSEA. Results: OPN expression was higher in CC samples than in normal tissue samples and positively correlated with age, FIGO stage, tumor size, lymphovascular invasion and an unfavorable prognosis. OPN-associated genes were mainly enriched in the immune response, and increased OPN expression was accompanied by increased M2 macrophage infiltration. Additionally, OPN was correlated with hypoxia, high glycolytic metabolism, apoptosis, angiogenesis, epithelial-mesenchymal transition and multiple signaling pathways (the p53 pathway, the PI3K/Akt pathway, IL6/STAT3 signaling, mTORC1 signaling and KRAS signaling). Conclusion: Our study showed that OPN is involved in immunological activities and multiple tumor processes, identifying it as a potential therapeutic target and useful prognostic factor in CC patients.
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Affiliation(s)
- Shuhang Qin
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Li Yi
- Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yanchun Liang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yili Chen
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Wei Wang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yuandong Liao
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Chunyu Zhang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Hua Huang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jiaming Huang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- *Correspondence: Jiaming Huang, ; Shuzhong Yao,
| | - Shuzhong Yao
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- *Correspondence: Jiaming Huang, ; Shuzhong Yao,
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Larionova I, Rakina M, Ivanyuk E, Trushchuk Y, Chernyshova A, Denisov E. Radiotherapy resistance: identifying universal biomarkers for various human cancers. J Cancer Res Clin Oncol 2022; 148:1015-1031. [PMID: 35113235 DOI: 10.1007/s00432-022-03923-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 01/12/2022] [Indexed: 12/16/2022]
Abstract
Radiotherapy (RT) is considered as a standard in the treatment of most solid cancers, including glioblastoma, lung, breast, rectal, prostate, colorectal, cervical, esophageal, and head and neck cancers. The main challenge in RT is tumor cell radioresistance associated with a high risk of locoregional relapse and distant metastasis. Despite significant progress in understanding mechanisms of radioresistance, its prediction and overcoming remain unresolved. This review presents the state-of-the-art for the potential universal biomarkers correlated to the radioresistance and poor outcome in different cancers. We describe radioresistance biomarkers functionally attributed to DNA repair, signal transduction, hypoxia, and angiogenesis. We also focus on high throughput genetic and proteomic studies, which revealed a set of molecular biomarkers related to radioresistance. In conclusion, we discuss biomarkers which are overlapped in most several cancers.
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Affiliation(s)
- Irina Larionova
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, 634009, Tomsk, Russia.
| | - Militsa Rakina
- Laboratory of Translational Cellular and Molecular Biomedicine, National Research Tomsk State University, Tomsk, 634050, Tomsk, Russia
| | - Elena Ivanyuk
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, 634009, Tomsk, Russia
| | - Yulia Trushchuk
- Department of Gynecologic Oncology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, 634009, Tomsk, Russia
| | - Alena Chernyshova
- Department of Gynecologic Oncology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, 634009, Tomsk, Russia
| | - Evgeny Denisov
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, 634009, Tomsk, Russia
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PET-CT radiomics by integrating primary tumor and peritumoral areas predicts E-cadherin expression and correlates with pelvic lymph node metastasis in early-stage cervical cancer. Eur Radiol 2021; 31:5967-5979. [PMID: 33528626 DOI: 10.1007/s00330-021-07690-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 12/17/2020] [Accepted: 01/15/2021] [Indexed: 12/15/2022]
Abstract
OBJECTIVES To explore the role of radiomics in integrating primary tumor and peritumoral areas based on PET-CT scans for predicting E-cadherin (E-cad) expression in early-stage cervical cancer (ESCC) and its correlation with pelvic lymph node metastasis (PLNM). METHODS Ninety-seven ESCC patients who had undergone PET-CT scans were retrospectively analyzed. The ROI of primary tumors, peritumoral areas, and plus tumors were semi-automatically segmented on PET-CT images. A total of 1188 radiomics features were extracted, selected, and eventually integrated into radiomics score (rad-score). The rad-score difference between patients with E-cad expression of high and low was analyzed using Mann-Whitney tests. Characteristic correlation was tested using a Spearman analysis. Four models were established using logistic regression algorithms and evaluated using ROC and calibration curves. A DeLong test was used to perform pairwise comparisons of AUCs. RESULTS The rad-score of patients with low E-cad expression was higher than that of patients with high E-cad expression in both training and testing cohorts (p < 0.001 and p = 0.027, respectively). A significant correlation was observed between the rad-score and E-cad (p < 0.001). PLNM correlated slightly with rad-score and E-cad values (p = 0.01 and p < 0.001, respectively). The ROC curve and calibration curve of the rad-score model performed best in both training and testing cohorts (AUC = 0.915, 0.844, p < 0.001, respectively). CONCLUSIONS The radiomics of integrating primary tumor and peritumoral areas based on PET-CT showed correlations with PLNM. It was also able to predict E-cad expression in ESCC patients, allowing for evaluation of those patients' prognosis and more individualized medical treatment. KEY POINTS • By integrating the primary tumor and peritumoral area based on PET-CT, radiomics was feasible. • The rad-score was associated with E-cad expression and PLNM in patients with ESCC. • Radiomics that integrated the primary tumor and peritumoral areas based on PET-CT could predict E-cad expression in patients with ESCC.
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Shen L, Li Z, Shen L. Quantitative Tyrosine Phosphoproteomic Analysis of Resistance to Radiotherapy in Nasopharyngeal Carcinoma Cells. Cancer Manag Res 2020; 12:12667-12678. [PMID: 33328764 PMCID: PMC7733897 DOI: 10.2147/cmar.s260028] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Accepted: 11/02/2020] [Indexed: 01/01/2023] Open
Abstract
Background Radioresistance poses a major challenge in nasopharyngeal carcinoma (NPC) treatment. Protein tyrosine phosphorylation has emerged as a key device in the control of resistance to therapy in cancer cells. Methods Using tandem mass tag (TMT) labeling and phospho-antibody affinity enrichment followed by high-resolution LC-MS/MS analysis, quantitative tyrosine phosphorylome analysis was performed in CNE2 (parental) and its radioresistant subline CNE2-IR. Results Altogether, 233 tyrosine phosphorylation sites in 179 protein groups were identified, among which 179 sites in 140 proteins were quantified. Among the quantified proteins, 38 tyrosine phosphorylation proteins are up-regulated and 18 tyrosine phosphorylation proteins are down-regulated in CNE2-IR vs CNE2. Increased tyrosine phosphorylation in multiple receptor/protein tyrosine kinases (EPHA2, EGFR, IGF1R, ABL1 and LYN) was identified in CNE2-IR vs CNE2 cells. Intensive bioinformatic analyses revealed robust activation of multiple biological processes/pathways including E-cadherin stabilization, cell-cell adhesion, and cell junction organization in radioresistant CNE2-IR cells. Specifically, we observed that the CNE2 cells incubated with EphrinA1-Fc exhibited higher EPHA2 Y772 phosphorylation and lower E-cadherin expression, as compared with PBS control. Furthermore, an ATP-competitive EPHA2 RTK inhibitor (ALW-II-41-27, ALW) reduced EPHA2 Y772 phosphorylation and increased the expression of E-cadherin in CNE2-IR cells. Colony formation analysis showed that EFNA1 (EFNA1 is the ligand of EPHA2) treatment in CNE2 significantly promoted colony formation after 6Gy irradiation; while incubation with EPHA2 inhibitor ALW-II-41-27 in CNE2-IR cells impaired colony formation after irradiation, as compared with solvent control (DMSO). Conclusion In conclusion, phosphoproteomic approach allowed us to link tyrosine kinases signaling with radioresistance in NPC. Further studies are necessary to delineate the molecular function of EPHA2/E-cadherin signaling in radioresistant NPC and to explore rational combination therapy and its underlying mechanism.
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Affiliation(s)
- Lin Shen
- Department of Oncology, Xiangya Hospital, Central South University, Changsha 410008, People's Republic of China
| | - Zhanzhan Li
- Department of Oncology, Xiangya Hospital, Central South University, Changsha 410008, People's Republic of China
| | - Liangfang Shen
- Department of Oncology, Xiangya Hospital, Central South University, Changsha 410008, People's Republic of China
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Adiga D, Eswaran S, Pandey D, Sharan K, Kabekkodu SP. Molecular landscape of recurrent cervical cancer. Crit Rev Oncol Hematol 2020; 157:103178. [PMID: 33279812 DOI: 10.1016/j.critrevonc.2020.103178] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 11/06/2020] [Accepted: 11/11/2020] [Indexed: 02/07/2023] Open
Abstract
Cervical cancer (CC) is a major gynecological problem in developing and underdeveloped countries. Despite the significant advancement in early detection and treatment modalities, several patients recur. Moreover, the molecular mechanisms responsible for CC recurrence remains obscure. The patients with CC recurrence often show poor prognosis and significantly high mortality rates. The clinical management of recurrent CC depends on treatment history, site, and extent of the recurrence. Owing to poor prognosis and limited treatment options, recurrent CC often presents a challenge to the clinicians. Several in vitro, in vivo, and patient studies have led to the identification of the critical molecular changes responsible for CC recurrence. Both aberrant genetic and epigenetic modifications leading to altered cell signaling pathways have been reported to impact CC recurrence. Researchers are currently trying to dissect the molecular pathways in CC and translate these findings for better management of disease. This article attempts to review the existing knowledge of disease relapse, accompanying challenges, and associated molecular players in CC.
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Affiliation(s)
- Divya Adiga
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Sangavi Eswaran
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Deeksha Pandey
- Department of OBGYN, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Krishna Sharan
- Department of Radiotherapy and Oncology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Shama Prasada Kabekkodu
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India.
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Zhao H, Zheng G, Li G, Xin L, Wang Y, Chen Y, Zheng X. Long noncoding RNA LINC00958 regulates cell sensitivity to radiotherapy through RRM2 by binding to microRNA‐5095 in cervical cancer. J Cell Physiol 2019; 234:23349-23359. [PMID: 31169309 DOI: 10.1002/jcp.28902] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 05/09/2019] [Accepted: 05/09/2019] [Indexed: 12/23/2022]
Affiliation(s)
- Hui Zhao
- Department of Obstetrics and Gynecology Linyi People's Hospital Linyi P.R. China
| | - Guang‐Hong Zheng
- Department of Obstetrics and Gynecology Linyi People's Hospital Linyi P.R. China
| | - Guang‐Cai Li
- Department of Obstetrics and Gynecology Linyi People's Hospital Linyi P.R. China
| | - Li Xin
- Sense Control Office Economic and Technological Development Zone People's Hospital of Linyi Linyi P.R. China
| | - Yong‐Sheng Wang
- Department of Obstetrics and Gynecology Linyi People's Hospital Linyi P.R. China
| | - Ying Chen
- Department of Obstetrics and Gynecology Linyi People's Hospital Linyi P.R. China
| | - Xue‐Mei Zheng
- Department of Obstetrics and Gynecology Linyi People's Hospital Linyi P.R. China
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11
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Gimba E, Brum M, Nestal De Moraes G. Full-length osteopontin and its splice variants as modulators of chemoresistance and radioresistance (Review). Int J Oncol 2018; 54:420-430. [DOI: 10.3892/ijo.2018.4656] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 10/25/2018] [Indexed: 11/06/2022] Open
Affiliation(s)
- Etel Gimba
- Program of Cellular and Molecular Oncobiology, National Cancer Institute, Rio de Janeiro 20231-050, Brazil
| | - Mariana Brum
- Program of Cellular and Molecular Oncobiology, National Cancer Institute, Rio de Janeiro 20231-050, Brazil
| | - Gabriela Nestal De Moraes
- Cellular and Molecular Hemato-Oncology Laboratory, Molecular Hemato-Oncology Program, National Cancer Institute, Rio de Janeiro 20230-130, Brazil
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12
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Zhong C, Zhuang M, Wang X, Li J, Chen Z, Huang Y, Chen F. 12-Lipoxygenase promotes invasion and metastasis of human gastric cancer cells via epithelial-mesenchymal transition. Oncol Lett 2018; 16:1455-1462. [PMID: 30008824 PMCID: PMC6036329 DOI: 10.3892/ol.2018.8808] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 03/22/2018] [Indexed: 12/13/2022] Open
Abstract
The role of 12-lipoxygenase (12-LOX) in tumorigenesis has been well established in several types of human cancer, including gastric cancer. It was reported that epithelial-mesenchymal transition (EMT) contributes to tumor invasion and metastasis. However, whether 12-LOX promotes the invasion and metastasis of human gastric cancer cells via EMT remains to be elucidated. In the present study, the expression of 12-LOX and EMT markers, N-cadherin and E-cadherin, was evaluated in gastric cancer and adjacent normal mucosa samples by immunohistochemical analysis. 12-LOX-overexpressing gastric cancer cells were established via lentiviral transfection of SCG-7901 cells. Wound-healing and Transwell assays were performed to examine the regulation of cell metastasis and invasion by 12-LOX. Furthermore, the regulation of N-cadherin expression by 12-LOX was evaluated using reverse transcription-quantitative polymerase chain reaction and western blotting. The results revealed that the expression of 12-LOX and N-cadherin was significantly higher in gastric cancer compared with that in adjacent normal mucosa tissues (P<0.05). By contrast, the expression of E-cadherin was significantly decreased in gastric cancer compared with that in adjacent normal mucosa tissues (P<0.05). Furthermore, the expression of 12-LOX was positively associated with N-cadherin expression in gastric cancer tissues. 12-LOX-overexpressing gastric cancer cells exhibited significantly increased invasion and migration abilities compared with the empty vector and control groups. The expression of N-cadherin in 12-LOX-overexpressing gastric cancer cells was increased compared with that in the empty vector and control groups. The present study suggests that EMT may be involved in the promotion of the invasion and metastasis of human gastric cancer cells by 12-LOX.
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Affiliation(s)
- Canmei Zhong
- Department of Gastroenterology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, P.R. China
| | - Mingkai Zhuang
- Department of Gastroenterology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, P.R. China
| | - Xiazhong Wang
- Department of Gastroenterology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, P.R. China
| | - Jianying Li
- Department of Gastroenterology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, P.R. China
| | - Zhixin Chen
- Department of Gastroenterology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, P.R. China
| | - Yuehong Huang
- Department of Gastroenterology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, P.R. China
| | - Fenglin Chen
- Department of Gastroenterology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, P.R. China
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13
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Huang R, Rofstad EK. Cancer stem cells (CSCs), cervical CSCs and targeted therapies. Oncotarget 2018; 8:35351-35367. [PMID: 27343550 PMCID: PMC5471060 DOI: 10.18632/oncotarget.10169] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Accepted: 06/12/2016] [Indexed: 12/12/2022] Open
Abstract
Accumulating evidence has shown that cancer stem cells (CSCs) have a tumour-initiating capacity and play crucial roles in tumour metastasis, relapse and chemo/radio-resistance. As tumour propagation initiators, CSCs are considered to be promising targets for obtaining a better therapeutic outcome. Cervical carcinoma is the most common gynaecological malignancy and has a high cancer mortality rate among females. As a result, the investigation of cervical cancer stem cells (CCSCs) is of great value. However, the numbers of cancer cells and corresponding CSCs in malignancy are dynamically balanced, and CSCs may reside in the CSC niche, about which little is known to date. Therefore, due to their complicated molecular phenotypes and biological behaviours, it remains challenging to obtain “purified” CSCs and continuously culture CSCs for further in vitro studies without the cells losing their stem properties. At present, CSC-related markers and functional assays are used to purify, identify and therapeutically target CSCs both in vitro and in vivo. Nevertheless, CSC-related markers are not universal to all tumour types, although some markers may be valid in multiple tumour types. Additionally, functional identifications based on CSC-specific properties are usually limited in in vivo studies. Furthermore, an optimal method for identifying potential CCSCs in CCSC studies has not been previously published, and these techniques are currently of great importance. This article updates our knowledge on CSCs and CCSCs, reviews potential stem cell markers and functional assays for identifying CCSCs, and describes the potential of targeting CCSCs in the treatment of cervical carcinoma.
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Affiliation(s)
- Ruixia Huang
- Department of Radiation Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway
| | - Einar K Rofstad
- Department of Radiation Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway
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14
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Expression of Yin Yang 1 in cervical cancer and its correlation with E-cadherin expression and HPV16 E6. PLoS One 2018; 13:e0193340. [PMID: 29470526 PMCID: PMC5823405 DOI: 10.1371/journal.pone.0193340] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 02/08/2018] [Indexed: 01/18/2023] Open
Abstract
The molecular mechanisms of normal cervical squamous epithelium advancing to cervical intraepithelial neoplasia (CIN) and eventually to cervical squamous cell carcinoma (CSCC) are largely unknown. This study explored abnormal expression of Yin Yang 1 (YY1) in cervical cancer and its correlation with the expression of E-cadherin and human papillomavirus (HPV) 16 E6. YY1, E-cadherin and HPV16 E6 expression were detected by immunohistochemistry in 90 cervical tissue specimens collected from 30 patients with hysteromyoma, 15 patients with CIN I, 15 patients with CIN II-III, and 30 patients with CSCC. The H-score method was employed to measure the expression of YY1, E-cadherin and HPV16 E6. Increased expression of YY1 and HPV16 E6, and the decreased expression levels of E-cadherin were strongly associated with malignant transformation of the cervical epithelium and the histological progression of CSCC. The expression of YY1 in cervical tissues was inversely correlated with E-cadherin expression, and positively correlated with HPV16 E6 expression. Expression of YY1 in CSCC tissues was not significantly correlated with tumor differentiation, but was significantly correlated with an advanced clinical stage of CSCC. These results suggest that up-regulation of YY1 is closely associated with the progression of CSCC, and YY1 may play an important role in the pathogenesis of cervical cancer by modulating the expression of E-cadherin and HPV16 E6.
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15
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Lv X, Hou M, Duan X. Correlation analysis between the parameters of contrast-enhanced ultrasonography in evaluating cervical cancer metastasis and expression of E-cadherin. Oncol Lett 2017; 14:4641-4646. [PMID: 29085462 PMCID: PMC5649574 DOI: 10.3892/ol.2017.6785] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Accepted: 08/08/2017] [Indexed: 12/15/2022] Open
Abstract
The study aims to investigate the correlation between the parameters of contrast-enhanced ultrasonography in evaluating cervical cancer metastasis and expression of E-cadherin. All 120 patients with cervical cancer underwent contrast-enhanced ultrasonography. According to the results of postoperative pathological examination, patients were divided into distant metastasis group (group A), lymph node metastasis without distant metastasis group (group B) and no metastasis group (group C). Expression of E-cadherin in cervical cancer tissues was detected by enzyme-linked immunosorbent assay (ELISA). Correlations between the parameters of contrast-enhanced ultrasonography in evaluating cervical cancer metastasis and expression of E-cadherin were analyzed by Pearsons correlation analysis. Comparison of parameters of contrast-enhanced ultrasonography showed that, the baseline intensity of group A was 11.9±2.2 dB, which was significantly lower than that of group B and C. Baseline intensity of group B was significantly lower than that of group C (13.0±2.4 vs. 15.3±3.6 dB), significant differences were found among three groups (P<0.05). The sensitivity and specificity of the use of enhanced intensity ~83.7 dB in evaluating tumor metastasis of patients with cervical cancer were 82.42 and 79.32%, respectively. Expression level of E-cadherin protein in group A was 0.030±0.003 ng/ml, which was significantly lower than that in group B and C (P<0.05), expression level of E-cadherin protein in group A was significantly lower than that in group C (0.037±0.007 vs. 0.045±0.012 ng/ml), significant differences in the expression level of E-cadherin protein were found among the three groups of cervical cancer patients (P<0.05). Pearsons correlation analysis showed that there was a positive correlation between the baseline intensity of contrast-enhanced ultrasonography and the expression level of E-cadherin (P<0.05), while there was a negative correlation between the enhanced intensity of contrast-enhanced ultrasonography and the expression level of E-cadherin (P<0.05). Contrast-enhanced ultrasonography can be used to determine the tumor metastasis of cervical cancer patients, in addition, the combined use of contrast-enhanced ultrasonography and E-cadherin protein expression can significantly improve the diagnosis and treatment of cervical cancer.
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Affiliation(s)
- Xiaolan Lv
- Department of Ultrasonography, Affiliated Hospital of Hebei University, Baoding, Hebei 071000, P.R. China
| | - Min Hou
- Department of Ultrasonography, Affiliated Hospital of Hebei University, Baoding, Hebei 071000, P.R. China
| | - Xiaojing Duan
- Department of Ultrasonography, Affiliated Hospital of Hebei University, Baoding, Hebei 071000, P.R. China
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16
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Shao XL, Chen Y, Gao L. MiR-200c suppresses the migration of retinoblastoma cells by reversing epithelial mesenchymal transition. Int J Ophthalmol 2017; 10:1195-1202. [PMID: 28861342 DOI: 10.18240/ijo.2017.08.02] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2016] [Accepted: 04/17/2017] [Indexed: 12/15/2022] Open
Abstract
AIM To analyze the relationship between clinical features and epithelial mesenchymal transition (EMT) in retinoblastoma (RB), further to investigate whether miR-200c regulates the EMT and migration of RB cells. METHODS Expression of EMT-related markers and tumor-related factors were detected by immuno-histochemistry analysis in RB tissue from 29 cases. Correlations between their expression and clinical characteristics were analyzed. The regulation effects of miR-200c on EMT-related markers, tumor-related factors were observed in mRNA level and protein level by real-time polymerase chain reaction (PCR) and Western blot, respectively, in Y79 and Weri-rb1 cells. Its effects on migration force of these RB cell lines were also detected with Transwell test. RESULTS Lower expression of E-cadherin was present in the cases with malignant prognosis. MiR-200c promoted the expression of E-cadherin and decreased the expression of Vimentin and N-cadherin in Y79 and Weri-rb1 cells. Migration force of RB cells could be inhibited by miR-200c. CONCLUSION EMT might be associated with bad prognosis in RB. MiR-200c suppresses the migration of retinoblastomatous cells by reverse EMT.
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Affiliation(s)
- Xiao-Lei Shao
- Department of Ophthalmology, the Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China.,Shenzhen Eye Hospital, Affiliated Shenzhen Eye Hospital of Jinan University, Joint College of Optometry, Shenzhen Universtiy, Shenzhen Key Laboratory of Ophthalmology, Ocular Trauma Treatment and Stem Cell Differentiation Public Service Platform of Shenzhen, Shenzhen 518040, Guangdong Province, China
| | - Yao Chen
- Department of Ophthalmology, the Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
| | - Ling Gao
- Department of Ophthalmology, the Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
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17
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Kilic S, Cracchiolo B, Gabel M, Haffty B, Mahmoud O. The relevance of molecular biomarkers in cervical cancer patients treated with radiotherapy. ANNALS OF TRANSLATIONAL MEDICINE 2015; 3:261. [PMID: 26605307 DOI: 10.3978/j.issn.2305-5839.2015.10.18] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Radiotherapy (RT) plays an integral role in the combined-modality management of cervical cancer. Various molecular mechanisms have been implicated in the adaptive cellular response to RT. Identification of these molecular processes may permit the prediction of treatment outcome and enhanced radiation-induced cancer cell killing through tailoring of the management approach, and/or the employment of selective inhibitors of these pathways. METHODS PubMed was searched for studies presenting biomarkers of cervical cancer radioresistance validated in patient studies or in laboratory experimentation. RESULTS Several biomarkers of cervical cancer radioresistance are validated by patient survival or recurrence data. These biomarkers fall into categories of biological function including hypoxia, cell proliferation, cell-cell adhesion, and evasion of apoptosis. Additional radioresistance biomarkers have been identified in exploratory experiments. CONCLUSIONS Biomarkers of radioresistance in cervical cancer may allow molecular profiling of individual tumors, leading to tailored therapies and better prognostication and prediction of outcomes.
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Affiliation(s)
- Sarah Kilic
- 1 Department of Radiation Oncology, 2 Department of Gynecology Oncology, 3 Department of Radiation Oncology, Rutgers, the State University of New Jersey, Cancer Institute of New Jersey, New Brunswick, NJ, USA
| | - Bernadette Cracchiolo
- 1 Department of Radiation Oncology, 2 Department of Gynecology Oncology, 3 Department of Radiation Oncology, Rutgers, the State University of New Jersey, Cancer Institute of New Jersey, New Brunswick, NJ, USA
| | - Molly Gabel
- 1 Department of Radiation Oncology, 2 Department of Gynecology Oncology, 3 Department of Radiation Oncology, Rutgers, the State University of New Jersey, Cancer Institute of New Jersey, New Brunswick, NJ, USA
| | - Bruce Haffty
- 1 Department of Radiation Oncology, 2 Department of Gynecology Oncology, 3 Department of Radiation Oncology, Rutgers, the State University of New Jersey, Cancer Institute of New Jersey, New Brunswick, NJ, USA
| | - Omar Mahmoud
- 1 Department of Radiation Oncology, 2 Department of Gynecology Oncology, 3 Department of Radiation Oncology, Rutgers, the State University of New Jersey, Cancer Institute of New Jersey, New Brunswick, NJ, USA
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18
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Hira VVV, Ploegmakers KJ, Grevers F, Verbovšek U, Silvestre-Roig C, Aronica E, Tigchelaar W, Turnšek TL, Molenaar RJ, Van Noorden CJF. CD133+ and Nestin+ Glioma Stem-Like Cells Reside Around CD31+ Arterioles in Niches that Express SDF-1α, CXCR4, Osteopontin and Cathepsin K. J Histochem Cytochem 2015; 63:481-93. [DOI: 10.1369/0022155415581689] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Accepted: 03/16/2015] [Indexed: 11/22/2022] Open
Abstract
Poor survival of high-grade glioma is at least partly caused by glioma stem-like cells (GSLCs) that are resistant to therapy. GSLCs reside in niches in close vicinity of endothelium. The aim of the present study was to characterize proteins that may be functional in the GSLC niche by performing immunohistochemistry on serial cryostat sections of human high-grade glioma samples. We have found nine niches in five out of five high-grade glioma samples that were all surrounding arterioles with CD31+ endothelial cells and containing cellular structures that were CD133+ and nestin+. All nine niches expressed stromal-derived factor-1α (SDF-1α), its receptor C-X-C chemokine receptor type 4 (CXCR4), osteopontin and cathepsin K. SDF-1α plays a role in homing of CXCR4+ stem cells and leukocytes, whereas osteopontin and cathepsin K promote migration of cancer cells and leukocytes. Leukocyte-related markers, such as CD68, macrophage matrix metalloprotease-9, CD177 and neutrophil elastase were often but not always detected in the niches. We suggest that SDF-1α is involved in homing of CXCR4+ GSLCs and leukocytes and that cathepsin K and osteopontin are involved in the migration of GSLCs out of the niches.
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Affiliation(s)
- Vashendriya V. V. Hira
- Department of Cell Biology and Histology, Academic Medical Center, Amsterdam, The Netherlands (VVVH, KJP, FG, WT, RJM, CJFVN)
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia (UV, TLT)
- Department of (Neuro)Pathology, Academic Medical Center and Swammerdam Institute for Neuroscience, University of Amsterdam, Amsterdam, The Netherlands (CSR, EA)
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia (TLT)
| | - Kimberley J. Ploegmakers
- Department of Cell Biology and Histology, Academic Medical Center, Amsterdam, The Netherlands (VVVH, KJP, FG, WT, RJM, CJFVN)
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia (UV, TLT)
- Department of (Neuro)Pathology, Academic Medical Center and Swammerdam Institute for Neuroscience, University of Amsterdam, Amsterdam, The Netherlands (CSR, EA)
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia (TLT)
| | - Frederieke Grevers
- Department of Cell Biology and Histology, Academic Medical Center, Amsterdam, The Netherlands (VVVH, KJP, FG, WT, RJM, CJFVN)
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia (UV, TLT)
- Department of (Neuro)Pathology, Academic Medical Center and Swammerdam Institute for Neuroscience, University of Amsterdam, Amsterdam, The Netherlands (CSR, EA)
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia (TLT)
| | - Urška Verbovšek
- Department of Cell Biology and Histology, Academic Medical Center, Amsterdam, The Netherlands (VVVH, KJP, FG, WT, RJM, CJFVN)
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia (UV, TLT)
- Department of (Neuro)Pathology, Academic Medical Center and Swammerdam Institute for Neuroscience, University of Amsterdam, Amsterdam, The Netherlands (CSR, EA)
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia (TLT)
| | - Carlos Silvestre-Roig
- Department of Cell Biology and Histology, Academic Medical Center, Amsterdam, The Netherlands (VVVH, KJP, FG, WT, RJM, CJFVN)
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia (UV, TLT)
- Department of (Neuro)Pathology, Academic Medical Center and Swammerdam Institute for Neuroscience, University of Amsterdam, Amsterdam, The Netherlands (CSR, EA)
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia (TLT)
| | - Eleonora Aronica
- Department of Cell Biology and Histology, Academic Medical Center, Amsterdam, The Netherlands (VVVH, KJP, FG, WT, RJM, CJFVN)
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia (UV, TLT)
- Department of (Neuro)Pathology, Academic Medical Center and Swammerdam Institute for Neuroscience, University of Amsterdam, Amsterdam, The Netherlands (CSR, EA)
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia (TLT)
| | - Wikky Tigchelaar
- Department of Cell Biology and Histology, Academic Medical Center, Amsterdam, The Netherlands (VVVH, KJP, FG, WT, RJM, CJFVN)
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia (UV, TLT)
- Department of (Neuro)Pathology, Academic Medical Center and Swammerdam Institute for Neuroscience, University of Amsterdam, Amsterdam, The Netherlands (CSR, EA)
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia (TLT)
| | - Tamara Lah Turnšek
- Department of Cell Biology and Histology, Academic Medical Center, Amsterdam, The Netherlands (VVVH, KJP, FG, WT, RJM, CJFVN)
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia (UV, TLT)
- Department of (Neuro)Pathology, Academic Medical Center and Swammerdam Institute for Neuroscience, University of Amsterdam, Amsterdam, The Netherlands (CSR, EA)
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia (TLT)
| | - Remco J. Molenaar
- Department of Cell Biology and Histology, Academic Medical Center, Amsterdam, The Netherlands (VVVH, KJP, FG, WT, RJM, CJFVN)
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia (UV, TLT)
- Department of (Neuro)Pathology, Academic Medical Center and Swammerdam Institute for Neuroscience, University of Amsterdam, Amsterdam, The Netherlands (CSR, EA)
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia (TLT)
| | - Cornelis J. F. Van Noorden
- Department of Cell Biology and Histology, Academic Medical Center, Amsterdam, The Netherlands (VVVH, KJP, FG, WT, RJM, CJFVN)
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia (UV, TLT)
- Department of (Neuro)Pathology, Academic Medical Center and Swammerdam Institute for Neuroscience, University of Amsterdam, Amsterdam, The Netherlands (CSR, EA)
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia (TLT)
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