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Letkovska K, Babal P, Cierna Z, Schmidtova S, Liskova V, Kalavska K, Miskovska V, Horak S, Rejlekova K, Chovanec M, Mardiak J, Janega P, Mego M. Prognostic Value of Apoptosis-Inducing Factor (AIF) in Germ Cell Tumors. Cancers (Basel) 2021; 13:cancers13040776. [PMID: 33668443 PMCID: PMC7917670 DOI: 10.3390/cancers13040776] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/08/2021] [Accepted: 02/11/2021] [Indexed: 01/28/2023] Open
Abstract
Simple Summary Germ cell tumors (GCTs) are the most common solid malignancies in young men. GCTs are extraordinary sensitive to chemotherapy and represent a model of curable cancer. However, in a small proportion of patients the disease progresses or relapses despite administration of salvage chemotherapy. Apoptosis is a form of programmed cell death that occurs in multicellular organisms. It is well established that dysregulation of apoptosis plays an important role in pathogenesis of malignant diseases and may be associated with tumor progression and resistance to cytotoxic treatment. This study aimed to evaluate expression of apoptosis inducing factor (AIF) in GCTs. We observed lower AIF expression in GCTs compared to normal testicular tissue. We also showed prognostic significance of AIF in GCTs. AIF downregulation might represent one of the mechanisms of inhibition of apoptosis with subsequent facilitation of cell survival and metastatic dissemination of GCTs and perhaps could serve as a potential therapeutic target. Abstract Apoptosis is a strictly regulated process essential for preservation of tissue homeostasis. This study aimed to evaluate expression of apoptosis inducing factor (AIF) in testicular germ cell tumors (GCTs) and to correlate expression patterns with clinicopathological variables. Formalin-fixed and paraffin-embedded specimens of non-neoplastic testicular tissue and GCTs obtained from 216 patients were included in the study. AIF expression was detected by immunohistochemistry, scored by the multiplicative quickscore method (QS). Normal testicular tissue exhibits higher cytoplasmic granular expression of AIF compared to GCTs (mean QS = 12.77 vs. 4.80, p < 0.0001). Among invasive GCTs, mean QS was the highest in embryonal carcinoma, yolk sac tumor and seminoma, lower in teratoma and the lowest in choriocarcinoma. No nuclear translocation of AIF was observed. Nonpulmonary visceral metastases were associated with lower AIF expression. Metastatic GCTs patients with high AIF expression had better overall survival compared to patients with low AIF expression (HR = 0.26, 95% CI 0.11–0.62, p = 0.048). We observed significantly lower AIF expression in GCTs compared to normal testicular tissue, which is an uncommon finding in malignant tumors. AIF downregulation might represent one of the mechanisms of inhibition of apoptosis and promotion of cell survival in GCTs.
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Affiliation(s)
- Katarina Letkovska
- Department of Pathology, Faculty of Medicine, Comenius University, 813 72 Bratislava, Slovakia; (K.L.); (P.B.); (Z.C.); (S.H.); (P.J.)
| | - Pavel Babal
- Department of Pathology, Faculty of Medicine, Comenius University, 813 72 Bratislava, Slovakia; (K.L.); (P.B.); (Z.C.); (S.H.); (P.J.)
| | - Zuzana Cierna
- Department of Pathology, Faculty of Medicine, Comenius University, 813 72 Bratislava, Slovakia; (K.L.); (P.B.); (Z.C.); (S.H.); (P.J.)
- Department of Pathology, Faculty Hospital, A. Zarnova, 917 75 Trnava, Slovakia
| | - Silvia Schmidtova
- Translational Research Unit, 2nd Department of Oncology, Comenius University, Faculty of Medicine, National Cancer Institute, 833 10 Bratislava, Slovakia; (S.S.); (K.K.)
- Department of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, 814 39 Bratislava, Slovakia
| | - Veronika Liskova
- Institute of Clinical and Translational Research, Biomedical Research Center of the Slovak Academy of Sciences, 845 05 Bratislava, Slovakia;
| | - Katarína Kalavska
- Translational Research Unit, 2nd Department of Oncology, Comenius University, Faculty of Medicine, National Cancer Institute, 833 10 Bratislava, Slovakia; (S.S.); (K.K.)
- Department of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, 814 39 Bratislava, Slovakia
| | - Vera Miskovska
- 1st Department of Oncology, Comenius University, Faculty of Medicine, St. Elisabeth Cancer Institute, 812 50 Bratislava, Slovakia;
| | - Samuel Horak
- Department of Pathology, Faculty of Medicine, Comenius University, 813 72 Bratislava, Slovakia; (K.L.); (P.B.); (Z.C.); (S.H.); (P.J.)
| | - Katarina Rejlekova
- 2nd Department of Oncology, Comenius University, Faculty of Medicine, National Cancer Institute, 833 10 Bratislava, Slovakia; (K.R.); (M.C.); (J.M.)
| | - Michal Chovanec
- 2nd Department of Oncology, Comenius University, Faculty of Medicine, National Cancer Institute, 833 10 Bratislava, Slovakia; (K.R.); (M.C.); (J.M.)
| | - Jozef Mardiak
- 2nd Department of Oncology, Comenius University, Faculty of Medicine, National Cancer Institute, 833 10 Bratislava, Slovakia; (K.R.); (M.C.); (J.M.)
| | - Pavel Janega
- Department of Pathology, Faculty of Medicine, Comenius University, 813 72 Bratislava, Slovakia; (K.L.); (P.B.); (Z.C.); (S.H.); (P.J.)
| | - Michal Mego
- Translational Research Unit, 2nd Department of Oncology, Comenius University, Faculty of Medicine, National Cancer Institute, 833 10 Bratislava, Slovakia; (S.S.); (K.K.)
- 2nd Department of Oncology, Comenius University, Faculty of Medicine, National Cancer Institute, 833 10 Bratislava, Slovakia; (K.R.); (M.C.); (J.M.)
- Correspondence: ; Tel.: +421-2-59378366; Fax: +421-2-54774943
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Estrogen receptor β promotes the vasculogenic mimicry (VM) and cell invasion via altering the lncRNA-MALAT1/miR-145-5p/NEDD9 signals in lung cancer. Oncogene 2018; 38:1225-1238. [DOI: 10.1038/s41388-018-0463-1] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 05/30/2018] [Accepted: 05/31/2018] [Indexed: 12/13/2022]
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Xiong Z, Guo M, Yu Y, Zhang FF, Ge MK, Chen GQ, Shen SM. Downregulation of AIF by HIF-1 contributes to hypoxia-induced epithelial–mesenchymal transition of colon cancer. Carcinogenesis 2016; 37:1079-1088. [DOI: 10.1093/carcin/bgw089] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
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Guler E, Akbulut H, Geyik C, Yilmaz T, Gumus ZP, Barlas FB, Ahan RE, Demirkol DO, Yamada S, Endo T, Timur S, Yagci Y. Complex Structured Fluorescent Polythiophene Graft Copolymer as a Versatile Tool for Imaging, Targeted Delivery of Paclitaxel, and Radiotherapy. Biomacromolecules 2016; 17:2399-408. [DOI: 10.1021/acs.biomac.6b00491] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Emine Guler
- Ege University, Faculty of Science, Department
of Biochemistry, 35100-Bornova, Izmir, Turkey
- Ege University, Institute on Drug Abuse, Toxicology & Pharmaceutical Sciences, 35100-Bornova, Izmir, Turkey
| | - Huseyin Akbulut
- Department
of Chemistry, Faculty of Science and Letters, Istanbul Technical University, 34467-Istanbul, Turkey
| | - Caner Geyik
- Ege University, Institute on Drug Abuse, Toxicology & Pharmaceutical Sciences, 35100-Bornova, Izmir, Turkey
| | - Tulay Yilmaz
- Ege University, Institute on Drug Abuse, Toxicology & Pharmaceutical Sciences, 35100-Bornova, Izmir, Turkey
| | - Z. Pinar Gumus
- Ege University, Institute on Drug Abuse, Toxicology & Pharmaceutical Sciences, 35100-Bornova, Izmir, Turkey
| | - F. Baris Barlas
- Ege University, Faculty of Science, Department
of Biochemistry, 35100-Bornova, Izmir, Turkey
| | - Recep Erdem Ahan
- Department
of Chemistry, Faculty of Science and Letters, Istanbul Technical University, 34467-Istanbul, Turkey
| | - Dilek Odaci Demirkol
- Ege University, Faculty of Science, Department
of Biochemistry, 35100-Bornova, Izmir, Turkey
| | - Shuhei Yamada
- Molecular
Engineering Institute, Kinki University, 11-6 Kayanomori, Iizuka, Fukuoka 820-8555, Japan
| | - Takeshi Endo
- Molecular
Engineering Institute, Kinki University, 11-6 Kayanomori, Iizuka, Fukuoka 820-8555, Japan
| | - Suna Timur
- Ege University, Faculty of Science, Department
of Biochemistry, 35100-Bornova, Izmir, Turkey
- Ege University, Institute on Drug Abuse, Toxicology & Pharmaceutical Sciences, 35100-Bornova, Izmir, Turkey
| | - Yusuf Yagci
- Department
of Chemistry, Faculty of Science and Letters, Istanbul Technical University, 34467-Istanbul, Turkey
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Shen SM, Guo M, Xiong Z, Yu Y, Zhao XY, Zhang FF, Chen GQ. AIF inhibits tumor metastasis by protecting PTEN from oxidation. EMBO Rep 2015; 16:1563-80. [PMID: 26415504 PMCID: PMC4641507 DOI: 10.15252/embr.201540536] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Accepted: 08/26/2015] [Indexed: 12/27/2022] Open
Abstract
Apoptosis-inducing factor (AIF) exerts dual roles on cell death and survival, but its substrates as a putative oxidoreductase and roles in tumorigenesis remain elusive. Here, we report that AIF physically interacts with and inhibits the oxidation of phosphatase and tensin homolog on chromosome ten (PTEN), a tumor suppressor susceptible for oxidation-mediated inactivation. More intriguingly, we also identify PTEN as a mitochondrial protein and the ectopic expression of mitochondrial targeting sequence-carrying PTEN almost completely inhibits Akt phosphorylation in PTEN-deficient cells. AIF knockdown causes oxidation-mediated inactivation of the lipid phosphatase activity of PTEN, with ensuing activation of Akt kinase, phosphorylation of the Akt substrate GSK-3β, and activation of β-catenin signaling in cancer cells. Through its effect on β-catenin signaling, AIF inhibits epithelial–mesenchymal transition (EMT) and metastasis of cancer cells in vitro and in orthotopically implanted xenografts. Accordingly, the expression of AIF is correlated with the survival of human patients with cancers of multiple origins. These results identify PTEN as the substrate of AIF oxidoreductase and reveal a novel function for AIF in controlling tumor metastasis.
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Affiliation(s)
- Shao-Ming Shen
- Department of Pathophysiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine (SJTU-SM), Shanghai, China
| | - Meng Guo
- Department of Pathophysiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine (SJTU-SM), Shanghai, China
| | - Zhong Xiong
- Department of Pathophysiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine (SJTU-SM), Shanghai, China
| | - Yun Yu
- Department of Pathophysiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine (SJTU-SM), Shanghai, China
| | - Xu-Yun Zhao
- Life Sciences Institute, University of Michigan, Ann Arbor, MI, USA
| | - Fei-Fei Zhang
- Department of Pathophysiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine (SJTU-SM), Shanghai, China
| | - Guo-Qiang Chen
- Department of Pathophysiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine (SJTU-SM), Shanghai, China Institute of Health Sciences, Shanghai Institutes for Biological Sciences of Chinese Academy of Sciences-SJTU-SM, Shanghai, China
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Regulation of metastatic ability and drug resistance in pulmonary adenocarcinoma by matrix rigidity via activating c-Met and EGFR. Biomaterials 2015; 60:141-50. [PMID: 26000960 DOI: 10.1016/j.biomaterials.2015.04.058] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2014] [Revised: 04/24/2015] [Accepted: 04/30/2015] [Indexed: 12/30/2022]
Abstract
Lung fibrosis is a poor prognostic factor for pulmonary adenocarcinoma, and the effect of a rigid microenvironment on cancer behavior is unclear. We cultured A549 cells on matrices of 0.2, 2, and 25 kPa to mimic the rigidities of normal lung parenchyma, progressive fibrotic change, and lung fibrosis, respectively. Lung tissue from patients with pulmonary adenocarcinoma was used to confirm the in vitro findings. Increased matrix rigidity promoted cell proliferation and upregulated the epidermal growth factor receptor (EGFR), hepatocyte growth factor receptor (c-Met), and Snail expression in A549 cells. A549 cells became more resistant to the EGFR inhibitor (Erlotinib) and c-Met inhibitor (PHA-665752) when matrix rigidity increased; however, a high concentration of PHA-665752 reversed the rigidity-induced morphological pleomorphism. In human lung tissue, expression of type I collagen was more consistent with clinical fibrosis than the expression of alpha-smooth muscle antibody was. c-Met- and Snail-expressing tumor cells, rather than EGFR-experssing cells, were localized with lung parenchyma rich in type I collagen. Our findings suggest that c-Met causes the rigidity-induced biophysical reaction in pulmonary adenocarcinoma. Treatment targeting both EGFR and c-Met should be considered for patients with lung fibrosis and who are abundant type I collagen expression in the tumor mass.
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Zhang Y, Jain RK, Zhu M. Recent Progress and Advances in HGF/MET-Targeted Therapeutic Agents for Cancer Treatment. Biomedicines 2015; 3:149-181. [PMID: 28536405 PMCID: PMC5344234 DOI: 10.3390/biomedicines3010149] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Revised: 02/25/2015] [Accepted: 03/03/2015] [Indexed: 12/31/2022] Open
Abstract
The hepatocyte growth factor (HGF): MET axis is a ligand-mediated receptor tyrosine kinase pathway that is involved in multiple cellular functions, including proliferation, survival, motility, and morphogenesis. Aberrancy in the HGF/MET pathway has been reported in multiple tumor types and is associated with tumor stage and prognosis. Thus, targeting the HGF/MET pathway has become a potential therapeutic strategy in oncology development in the last two decades. A number of novel therapeutic agents-either as therapeutic proteins or small molecules that target the HGF/MET pathway-have been tested in patients with different tumor types in clinical studies. In this review, recent progress in HGF/MET pathway-targeted therapy for cancer treatment, the therapeutic potential of HGF/MET-targeted agents, and challenges in the development of such agents will be discussed.
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Affiliation(s)
- Yilong Zhang
- Department of Clinical Pharmacology, Modeling and Simulation, Amgen Inc., One Amgen Center Drive, Thousand Oaks, CA 91320, USA.
| | - Rajul K Jain
- Kite Pharma, Inc., 2225 Colorado Avenue, Santa Monica, CA 90404, USA.
| | - Min Zhu
- Department of Clinical Pharmacology, Modeling and Simulation, Amgen Inc., One Amgen Center Drive, Thousand Oaks, CA 91320, USA.
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The interrelationship between HER2 and CASP3/8 with apoptosis in different cancer cell lines. Mol Biol Rep 2014; 41:8031-6. [PMID: 25189649 DOI: 10.1007/s11033-014-3700-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2014] [Accepted: 08/23/2014] [Indexed: 10/24/2022]
Abstract
HER2/ErbB2, a known proto-oncogene (also known as HER2, neu), is among the most practiced molecules in the cancer area. Human epidermal growth factor receptor 2 (HER2) is over expressed in approximately 20-30 % of breast cancer tumors and also in a lot of other human cancer types. It is known to be related to the aggressiveness of the disease, increased mortality and higher relapse ratio. The unusual HER2 overexpression is associated with more severe disease characteristics in several cancers. In recent past, there have been remarkable advances in understanding the role of the HER2 gene in cancers. Caspases are well renowned proteases that act as essential initiators and executioners of the apoptotic process. The primary function of HER2 is suppressing apoptosis to enhance cell survival and eventually giving rise to uncontrolled proliferation and tumor growth. The objective of this work was to study the expression levels of HER2 and apoptosis related factors CASP-3 and CASP-8 in several breast and other cancer cell lines and finally to find a meaningful correlation between all these. We summed up by obtaining an increase in expression of HER2 in all cancer cell lines as compared to that of CASP-3 and CASP-8. In summary we conclude that HER2 promotes cell survival by inhibiting apoptosis i.e. by downregulating CASP-3 and CASP-8. This is a novel study comprising the expression study of HER2 and different caspases in different cancer cell lines simultaneously. It is thus expected that this study will aid in better establishment of correlation between HER2 and caspases in different malignancies.
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Comparison of Intracellular Stress Response of NCI-H526 Small Cell Lung Cancer (SCLC) Cells to Platinum(II) Cisplatin and Platinum(IV) Oxoplatin. Cancers (Basel) 2014; 6:1487-99. [PMID: 25006835 PMCID: PMC4190551 DOI: 10.3390/cancers6031487] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2014] [Revised: 06/30/2014] [Accepted: 07/02/2014] [Indexed: 12/18/2022] Open
Abstract
In attempts to develop an orally applicable platinum-based drug, platinum(IV) drugs which exhibit higher in vivo stability compared to the platinum(II) drug cisplatin were formulated. The first such chemotherapeutic agent, namely satraplatin, failed to receive approval. In the present work, we checked the initial cellular stress response of the chemosensitive NCI-H526 small cell lung cancer (SCLC) cells by determination of the relative phosphorylation of 46 specific phosphorylation sites of 38 selected proteins in a six hours response to cisplatin (platinum(II)) or oxoplatin (platinum(IV)), respectively. Oxoplatin is considered as prodrug of cisplatin, although several findings point to differences in intracellular effects. Cisplatin induced hyperphosphorylation of p38α MAPK and AMPKα1, whereas oxoplatin treatment resulted in increased phosphorylation of a large number of signaling proteins involved in stress response/drug resistance, including JNK, GSK-3α, AMPKα1, src kinases, STATs, CHK-2 and especially focal adhesion kinase (FAK). Cisplatin exerts markedly higher cytotoxicity upon four hours short-term exposure in comparison to oxoplatin and, correspondingly, the extended initial stress response to the platinum(IV) drug oxoplatin thus is expected to increase clinical drug resistance. Induction of a substantial stress response to any prodrug of a platinum-based compound may likewise limit the effectivity of its active metabolite(s), such contributing to the failure of selected derivatized platinum complexes.
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