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Gauss C, Stone LD, Ghafouri M, Quan D, Johnson J, Fribley AM, Amm HM. Overcoming Resistance to Standard-of-Care Therapies for Head and Neck Squamous Cell Carcinomas. Cells 2024; 13:1018. [PMID: 38920648 PMCID: PMC11201455 DOI: 10.3390/cells13121018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Accepted: 06/05/2024] [Indexed: 06/27/2024] Open
Abstract
Although there have been some advances during in recent decades, the treatment of head and neck squamous cell carcinoma (HNSCC) remains challenging. Resistance is a major issue for various treatments that are used, including both the conventional standards of care (radiotherapy and platinum-based chemotherapy) and the newer EGFR and checkpoint inhibitors. In fact, all the non-surgical treatments currently used for HNSCC are associated with intrinsic and/or acquired resistance. Herein, we explore the cellular mechanisms of resistance reported in HNSCC, including those related to epigenetic factors, DNA repair defects, and several signaling pathways. This article discusses these mechanisms and possible approaches that can be used to target different pathways to sensitize HNSCC to the existing treatments, obtain better responses to new agents, and ultimately improve the patient outcomes.
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Affiliation(s)
- Chester Gauss
- Carman and Ann Adams Department of Pediatrics, School of Medicine, Wayne State University, Detroit, MI 48202, USA; (C.G.); (M.G.)
| | - Logan D. Stone
- Oral & Maxillofacial Surgery, School of Dentistry, University of Alabama at Birmingham, Birmingham, AL 35294, USA;
| | - Mehrnoosh Ghafouri
- Carman and Ann Adams Department of Pediatrics, School of Medicine, Wayne State University, Detroit, MI 48202, USA; (C.G.); (M.G.)
| | - Daniel Quan
- Department of Otolaryngology Head and Neck Surgery, School of Medicine, Wayne State University, Detroit, MI 48202, USA; (D.Q.)
| | - Jared Johnson
- Department of Otolaryngology Head and Neck Surgery, School of Medicine, Wayne State University, Detroit, MI 48202, USA; (D.Q.)
| | - Andrew M. Fribley
- Carman and Ann Adams Department of Pediatrics, School of Medicine, Wayne State University, Detroit, MI 48202, USA; (C.G.); (M.G.)
- Department of Otolaryngology Head and Neck Surgery, School of Medicine, Wayne State University, Detroit, MI 48202, USA; (D.Q.)
- Molecular Therapeutics Program, Karmanos Cancer Institute, Wayne State University, Detroit, MI 48202, USA
| | - Hope M. Amm
- Oral & Maxillofacial Surgery, School of Dentistry, University of Alabama at Birmingham, Birmingham, AL 35294, USA;
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Heisnam R, Thoithoisana Devi S, Mohanty S, Mukherjee PK, Rayala VVSPK, Radhakrishnanand P, Dash R, Sharma N. Tolypothrix Dichloromethane Ethylacetate fraction (TDEF) inhibits cisplatin resistance H357 cell through PI3K/AKT/beta-catenin pathway. Am J Cancer Res 2024; 14:1071-1086. [PMID: 38590426 PMCID: PMC10998759 DOI: 10.62347/jtnq4812] [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: 07/22/2023] [Accepted: 11/24/2023] [Indexed: 04/10/2024] Open
Abstract
Chemoresistance is one of the major factors for treatment failure in OSCC. Reprogramming chemoresistance cells to undergo drug induced apoptotic cell death is a feasible approach to overcome drug resistance. Cyanobacteria is considered important sources of lead compounds for the development of drugs for treating cancer chemoresistance. This study deals with the role of Tolypothrix Dichloromethane Ethyl acetate fraction (TDEF) inducing apoptosis in cisplatin resistance H357 cell (H357cisR) and the underlying mechanisms sensitizing the chemoresistance. TDEF showing effective activity against H357cisR with IC50-14.13±1.18 µg mL-1, inhibits proliferation and migration. Proteome apoptosis arrays were found to stimulate phosphorylation of p53, activation of proapoptotic proteins including BAX and cytochrome C (CYCS), caspase-3/9 (CASP3/9), suppression of anti-apoptotic proteins like Bcl2, survivin and increased expression of the cell cycle checkpoint protein p21, p27. TDEF induced apoptosis with cell death-transducing signals, that regulate the Matrix metalloproteinases (MMPs) by down-regulation of Bcl2 and up-regulation of Bax, triggering the cytochrome c release from mitochondria to cytosol thus triggered the activation of caspases-9 to activate downstream executioner caspase-3/7 required for apoptotic changes. The mechanistic pathway of apoptotic cell death in H357cisR was done through inhibiting β-catenin through GSK3β in turn activated by AKT. The phosphorylated β-catenin leads to proteasome degradation and unable to translocation to nucleus thereby activating c-Myc, survivin, Cyclin D and upregulate p21 expression which lead to cell cycle arrest in G0/G1 phase.
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Affiliation(s)
- Rameshwari Heisnam
- Microbial Resources Division, Institute of Bioresources and Sustainable Development (An Autonomous Institute under Department of Biotechnology, Govt. of India)Takyelpat, Imphal 795001, Manipur, India
- School of Biotechnology, Kalinga Institute of Industrial Technology, Deemed To Be UniversityBhubaneswar 751024, Odisha, India
| | - Soibam Thoithoisana Devi
- Microbial Resources Division, Institute of Bioresources and Sustainable Development (An Autonomous Institute under Department of Biotechnology, Govt. of India)Takyelpat, Imphal 795001, Manipur, India
- Department of Zoology, Manipur UniversityImphal 795003, Manipur, India
| | - Sibasish Mohanty
- Institute of Life Sciences (ILS)Bhubaneswar 751023, Odisha, India
| | - Pulok K Mukherjee
- Microbial Resources Division, Institute of Bioresources and Sustainable Development (An Autonomous Institute under Department of Biotechnology, Govt. of India)Takyelpat, Imphal 795001, Manipur, India
| | | | | | - Rupesh Dash
- Institute of Life Sciences (ILS)Bhubaneswar 751023, Odisha, India
| | - Nanaocha Sharma
- Microbial Resources Division, Institute of Bioresources and Sustainable Development (An Autonomous Institute under Department of Biotechnology, Govt. of India)Takyelpat, Imphal 795001, Manipur, India
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Lu S, Huang J, Zhang J, Wu C, Huang Z, Tao X, You L, Stalin A, Chen M, Li J, Tan Y, Wu Z, Geng L, Li Z, Fan Q, Liu P, Lin Y, Zhao C, Wu J. The anti-hepatocellular carcinoma effect of Aidi injection was related to the synergistic action of cantharidin, formononetin, and isofraxidin through BIRC5, FEN1, and EGFR. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117209. [PMID: 37757991 DOI: 10.1016/j.jep.2023.117209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/05/2023] [Accepted: 09/19/2023] [Indexed: 09/29/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Aidi injection (ADI) is a popular anti-tumor Chinese patent medicine, widely used in clinics for the treatment of hepatocellular carcinoma (HCC) with remarkable therapeutic effects through multiple targets and pathways. However, the scientific evidence of the synergistic role of the complex chemical component system and the potential mechanism for treating diseases are ignored and remain to be elucidated. AIM OF THE STUDY This study aimed to elucidate and verify the cooperative association between the potential active ingredient of ADI, which is of significance to enlarge our understanding of its anti-HCC molecular mechanisms. MATERIALS AND METHODS Firstly, the anti-HCC effect of ADI was evaluated in various HCC cells and the zebrafish xenograft model. Subsequently, a variety of bioinformatic technologies, including network pharmacology, weighted gene co-expression network analysis (WGCNA), meta-analysis of gene expression profiles, and pathway enrichment analysis were performed to construct the competitive endogenous RNA (ceRNA) network of ADI intervention in HCC and to establish the relationship between the critical targets/pathways and the key corresponding components, which were involved in ADI against HCC in a synergistic way and were validated by molecular biology experiments. RESULTS ADI exerted remarkable anti-HCC in vitro cells and in vivo zebrafish model, especially that the Hep 3B2.1-7 cell showed substantial sensibility to ADI. The ceRNA network revealed that the EGFR/PI3K/AKT signaling pathway was identified as the promising pathway. Furthermore, the meta-analysis also demonstrated the critical role of BIRC5 and FEN1 as key targets. Finally, the synergistic effect of ADI was revealed by discovering the inhibitory effect of cantharidin on BIRC5, formononetin on FEN1 and EGFR, as well as isofraxidin on EGFR. CONCLUSION Our study unveiled that the incredible protective effect of ADI on HCC resulted from the synergistic inhibition effect of cantharidin, formononetin, and isofraxidin on multiple targets/pathways, including BIRC5, FEN1, and EGFR/PI3K/AKT, respectively, providing a scientific interpretation of ADI against HCC and a typical example of pharmacodynamic evaluation of other proprietary Chinese patent medicine.
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Affiliation(s)
- Shan Lu
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Jiaqi Huang
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Jingyuan Zhang
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Chao Wu
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Zhihong Huang
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Xiaoyu Tao
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Leiming You
- Department of Immunology and Microbiology, School of Life Science, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Antony Stalin
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, China.
| | - Meilin Chen
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Jiaqi Li
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Yingying Tan
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Zhishan Wu
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Libo Geng
- Guizhou Yibai Pharmaceutical Co. Ltd, Guiyang, 550008, Guizhou, China.
| | - Zhiqi Li
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China; Beijing Key Laboratory for Quality Evaluation of Chinese Materia Medica, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Qiqi Fan
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China; Beijing Key Laboratory for Quality Evaluation of Chinese Materia Medica, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Pengyun Liu
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Yifan Lin
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Chongjun Zhao
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China; Beijing Key Laboratory for Quality Evaluation of Chinese Materia Medica, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Jiarui Wu
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
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P C S, Shetty SS, Kumari N S, Shetty VV, Shetty P, Rao C, Shetty PK. Prognostic significance of tetraspanin CD9 and oncogenic epidermal growth factor receptor in tongue squamous cell carcinoma survival. Pathol Res Pract 2023; 248:154651. [PMID: 37390757 DOI: 10.1016/j.prp.2023.154651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 06/23/2023] [Accepted: 06/25/2023] [Indexed: 07/02/2023]
Abstract
The most prevalent locations for head and neck cancer is the tongue. The surviving patients who are receiving therapy have considerably compromised speech, taste, chewing, and swallowing. CD9 is a cell surface protein that has contradictory role in cancer progression. The objective of the study is to analyze the Cluster of Differentiation 9(CD9), Epidermal Growth Factor Receptor (EGFR) and Phosphorylated Akt (p-Akt) expression in tongue cancer specimens and its clinical significance.50 tongue cancer sections were used to analyze the expression of CD9,EGFR and p-Akt by immunohistochemistry. Data regarding the histological grade of the tumor, age, sex, and habits were recorded, and relation with CD9,EGFR and p-Akt expression was assessed. Data were expressed as mean ± SEM. Categorical data was analyzed by Chi-square test. Student t-test was used to check the significance of data between two groups.A significant increase in the CD9,EGFR and p-Akt expression (1.8 ± 0.11, 2.06 ± 0.18 and 2.3 ± 0.15 respectively) was seen in the tongue cancer specimens. CD9 and p-Akt expression had a significant association with the histological grade (p < 0.004 and p < 0.006 respectively). CD9 expression was higher in patients with the combination of addiction/habit compared to patients with single addictions(1.08 ± 0.11 and 0.75 ± 0.47). Overall a poor rate of survival was observed in CD9 positive patients(p < 0.039). EGFR and p-Akt expression increased with increasing expression of CD9, suggesting its use as a biomarker to track the development of TSCC.
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Affiliation(s)
- Suhasini P C
- Central Research Laboratory, KS Hegde Medical Academy, Nitte (Deemed to be University), Deralakatte, Mangalore, India.
| | - Shilpa S Shetty
- Central Research Laboratory, KS Hegde Medical Academy, Nitte (Deemed to be University), Deralakatte, Mangalore, India.
| | - Suchetha Kumari N
- Central Research Laboratory, KS Hegde Medical Academy, Nitte (Deemed to be University), Deralakatte, Mangalore, India.
| | - Vijith Vittal Shetty
- Department of Oncology, KS Hegde Medical Academy, Deralakatte, Mangalore, Karnataka, India.
| | - Pushparaj Shetty
- Department of Oral and Maxillofacial Pathology and Microbiology, AB Shetty Memorial Institute of Dental Sciences,Nitte (Deemed to be University), Deralakatte, Mangalore, India.
| | - Chandrika Rao
- Department of Pathology, KS Hegde Medical Academy, Nitte (Deemed to be University), Deralakatte, Mangalore, India.
| | - Praveen Kumar Shetty
- Department of Biochemistry, KS Hegde Medical Academy, Nitte (Deemed to be University), India.
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Parvin M, Rahaman A, Sarkar A, Debnath S, De UC, Mandal DP, Bhattacharjee S. Oroxylum indicum Stem Bark Extract Reduces Tumor Progression by Inhibiting the EGFR-PI3K-AKT Pathway in an In Vivo 4NQO-Induced Oral Cancer Model. JOURNAL OF THE AMERICAN NUTRITION ASSOCIATION 2022:1-15. [PMID: 35984397 DOI: 10.1080/27697061.2022.2107583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 07/24/2022] [Accepted: 07/26/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVES Oral squamous cell carcinoma (OSCC) is the predominant type of oral cancer. Its incidence is high in certain geographic regions, and it is correlated with chewing tobacco. Epidermal growth factor receptor (EGFR), induced by tobacco carcinogens, is overexpressed in OSCC, leading to poor prognosis. Thus, EGFR inhibitors are promising agents against OSCC. High cost and toxicity of existing EGFR inhibitors necessitate alternative EGFR-targeted therapy. Here, we tested the antitumor potential of ethyl acetate fraction of an ethnomedicinal tree, Oroxylum indicum stem bark extract (OIEA) in a 4-nitroquinoline-1-oxide (4NQO)-induced oral carcinogenesis model. METHODS OIEA was prepared by solvent extraction method, and subsequently its in vitro radical scavenging activities were measured. High-performance liquid chromatography (HPLC) analysis of OIEA was done to identify the constituent active compounds. Hemolytic, trypan blue exclusion, and MTT [3-(4,5-Dimethylthiazol-2-yl)-2,5-Diphenyltetrazolium Bromide] assays were performed in normal and cancer cells to select an optimum dose of OIEA for antitumor activity study in 4NQO-induced oral cancer in F344 rats. Measurement of tumor volume, weight, and cell count was followed by tumor cell cycle analysis and comet and annexin V/Propidium Iodide (PI) assay. Pro-apoptotic markers were detected by western blot testing. Molecular docking was done to predict the interaction between OIEA active component and EGFR or phosphatidylinositol-3-kinase (PI3K), which was further validated biologically. Finally, hepatic and renal function testing and histopathology were performed. RESULTS OIEA reduced tumor burden and increased survivability of the tumor-bearing rats significantly as compared to untreated tumor bearers. HPLC revealed oroxylin A as the predominant bioactive component in OIEA. Molecular docking predicted significant binding between oroxylin A and EGFR as well as PI3K, which was confirmed by western blot analysis of in vivo samples. OIEA also ameliorated hepato-, renal- and myelotoxicity induced by 4NQO. CONCLUSION OIEA reduces 4NQO-induced OSCC by modulating the EGFR/PI3K/AKT signaling cascade and also ameliorated toxicity in tumor bearers.
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Affiliation(s)
- Munia Parvin
- Department of Zoology, West Bengal State University, Kolkata, West Bengal, India
| | - Ashikur Rahaman
- Department of Zoology, West Bengal State University, Kolkata, West Bengal, India
| | - Arnab Sarkar
- Department of Zoology, West Bengal State University, Kolkata, West Bengal, India
| | - Sudhan Debnath
- Department of Chemistry, N.S. Mahavidyalaya, Udaipur, Tripura, India
| | - Utpal Chandra De
- Department of Chemistry, Tripura University, Agartala, Tripura, India
| | - Deba Prasad Mandal
- Department of Zoology, West Bengal State University, Kolkata, West Bengal, India
| | - Shamee Bhattacharjee
- Department of Zoology, West Bengal State University, Kolkata, West Bengal, India
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Alzawi A, Iftikhar A, Shalgm B, Jones S, Ellis I, Islam M. Receptor, Signal, Nucleus, Action: Signals That Pass through Akt on the Road to Head and Neck Cancer Cell Migration. Cancers (Basel) 2022; 14:cancers14112606. [PMID: 35681586 PMCID: PMC9179418 DOI: 10.3390/cancers14112606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/20/2022] [Accepted: 05/23/2022] [Indexed: 02/06/2023] Open
Abstract
Simple Summary The ecosystem that surrounds a tumour, the microenvironment, has a huge impact on the spread of cancer, but its exact role in the molecular mechanism of spreading is still under scrutiny. This literature review aims to focus on the evidence published on the production of growth factors or proteins from the tumour microenvironment, which initiate signals in cancer cells. This review provides evidence that when Akt, a signalling protein, is activated by different growth factors such as epidermal growth factor, transforming growth factor α/β, vascular endothelial growth factor and nerve growth factor, head and neck cancer cell spreading is stimulated. In a nutshell, it demonstrates that the tumour microenvironment plays an important role in cancer spreading by synthesising and secreting growth factors and suggests that targeting growth-factor-activated Akt in combination therapy could be a valuable therapeutic approach in treating head and neck cancer patients. Abstract This review aims to provide evidence for the role of the tumour microenvironment in cancer progression, including invasion and metastasis. The tumour microenvironment is complex and consists of tumour cells and stromal-derived cells, in addition to a modified extracellular matrix. The cellular components synthesise growth factors such as EGF, TGFα and β, VEGF, and NGF, which have been shown to initiate paracrine signalling in head and neck cancer cells by binding to cell surface receptors. One example is the phosphorylation, and hence activation, of the signalling protein Akt, which can ultimately induce oral cancer cell migration in vitro. Blocking of Akt activation by an inhibitor, MK2206, leads to a significant decrease, in vitro, of cancer-derived cell migration, visualised in both wound healing and scatter assays. Signalling pathways have therefore been popular targets for the design of chemotherapeutic agents, but drug resistance has been observed and is related to direct tumour–tumour cell communication, the tumour–extracellular matrix interface, and tumour–stromal cell interactions. Translation of this knowledge to patient care is reliant upon a comprehensive understanding of the complex relationships present in the tumour microenvironment and could ultimately lead to the design of efficacious treatment regimens such as targeted therapy or novel therapeutic combinations.
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Kumar V, Kumar A, Kumar M, Lone MR, Mishra D, Chauhan SS. NFκB (RelA) mediates transactivation of hnRNPD in oral cancer cells. Sci Rep 2022; 12:5944. [PMID: 35396527 PMCID: PMC8993925 DOI: 10.1038/s41598-022-09963-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 03/25/2022] [Indexed: 11/09/2022] Open
Abstract
Heterogeneous Ribonucleoprotein D (hnRNPD) is an RNA binding protein involved in post-transcriptional regulation of multiple mediators of carcinogenesis. We previously demonstrated a strong association of hnRNPD over expression with poor outcome in Oral Squamous Cell Carcinoma (OSCC). However, hitherto the precise molecular mechanism of its overexpression in oral cancer was not clear. Therefore, in an attempt to elucidate the transcriptional regulation of hnRNPD expression, we cloned 1406 bp of 5ʹ flanking region of human hnRNPD gene along with 257 bp of its first exon upstream to promoterless luciferase reporter gene in pGL3-Basic. Transfection of the resulting construct in SCC-4 cells yielded 1271 fold higher luciferase activity over parent vector. By promoter deletion analysis, we identified a canonical TATA box containing 126 bp core promoter region that retained ~ 58% activity of the full length promoter. In silico analysis revealed the presence of four putative NFκB binding motifs in the promoter. Sequential deletion of these motifs from the full-length promoter reporter construct coupled with luciferase assays revealed an 82% decrease in promoter activity after deletion of the first (−1358/−1347) motif and 99% reduction after the deletion of second motif (−1052/−1041). In-vivo binding of NFκB (RelA) to these two motifs in SCC-4 cells was confirmed by ChIP assays. Site directed mutagenesis of even one of these two motifs completely abolished promoter activity, while mutagenesis of the remaining two motifs had marginal effect on the same. Consistent with these findings, treatment of SCC-4 cells with PDTC, a known inhibitor of NFκB dramatically reduced the levels hnRNPD mRNA and protein. Finally, the expression of hnRNPD and NFκB in clinical specimen from 37 oral cancer patients was assessed and subjected to Spearmen’s Correlation analysis which revealed a strong positive correlation between the two. Thus, results of the present study for the first time convincingly demonstrate NFκB (RelA) mediated transcriptional upregulation of hnRNPD expression in oral cancer.
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Affiliation(s)
- Vikas Kumar
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Anurag Kumar
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Manish Kumar
- Department of Biochemistry, All India Institute of Medical Sciences, Bilaspur, India
| | - Moien Rasheed Lone
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Deepika Mishra
- Division of Oral Pathology, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Shyam Singh Chauhan
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India.
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Hsueh WT, Chen SH, Chien CH, Chou SW, Chi PI, Chu JM, Chang KY. SOD2 Enhancement by Long-Term Inhibition of the PI3K Pathway Confers Multi-Drug Resistance and Enhanced Tumor-Initiating Features in Head and Neck Cancer. Int J Mol Sci 2021; 22:ijms222011260. [PMID: 34681918 PMCID: PMC8537886 DOI: 10.3390/ijms222011260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/15/2021] [Accepted: 10/16/2021] [Indexed: 11/16/2022] Open
Abstract
The phosphoinositide-3-kinase (PI3K) pathway has widely been considered as a potential therapeutic target for head and neck cancer (HNC); however, the application of PI3K inhibitors is often overshadowed by the induction of drug resistance with unknown mechanisms. In this study, PII3K inhibitor resistant cancer cells were developed by prolonged culturing of cell lines with BEZ235, a dual PI3K and mammalian target of rapamycin (mTOR) inhibitor. The drug resistant HNC cells showed higher IC50 of the proliferation to inhibitors specifically targeting PI3K and/or mTOR, as compared to their parental cells. These cells also showed profound resistance to drugs of other classes. Molecular analysis revealed persistent activation of phosphorylated AKT at threonine 308 in the drug resistant cells and increased expression of markers for tumor-initiating cells. Interestingly, increased intra-cellular ROS levels were observed in the drug resistant cells. Among anti-oxidant molecules, the expression of SOD2 was increased and was associated with the ALDH-positive tumor-initiating cell features. Co-incubation of SOD inhibitors and BEZ235 decreased the stemness feature of the cells in vitro, as shown by results of the spheroid formation assay. In conclusion, dysregulation of SOD2 might contribute to the profound resistance to PI3K inhibitors and the other drugs in HNC cells.
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Affiliation(s)
- Wei-Ting Hsueh
- Department of Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70456, Taiwan; (W.-T.H.); (S.-H.C.)
| | - Shang-Hung Chen
- Department of Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70456, Taiwan; (W.-T.H.); (S.-H.C.)
- National Institute of Cancer Research, National Health Research Institutes, Tainan 70456, Taiwan; (C.-H.C.); (S.-W.C.); (P.-I.C.); (J.-M.C.)
| | - Chia-Hung Chien
- National Institute of Cancer Research, National Health Research Institutes, Tainan 70456, Taiwan; (C.-H.C.); (S.-W.C.); (P.-I.C.); (J.-M.C.)
- School of Medicine, I-Shou University, Kaohsiung 82445, Taiwan
| | - Shao-Wen Chou
- National Institute of Cancer Research, National Health Research Institutes, Tainan 70456, Taiwan; (C.-H.C.); (S.-W.C.); (P.-I.C.); (J.-M.C.)
| | - Pei-I Chi
- National Institute of Cancer Research, National Health Research Institutes, Tainan 70456, Taiwan; (C.-H.C.); (S.-W.C.); (P.-I.C.); (J.-M.C.)
| | - Jui-Mei Chu
- National Institute of Cancer Research, National Health Research Institutes, Tainan 70456, Taiwan; (C.-H.C.); (S.-W.C.); (P.-I.C.); (J.-M.C.)
| | - Kwang-Yu Chang
- Department of Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70456, Taiwan; (W.-T.H.); (S.-H.C.)
- National Institute of Cancer Research, National Health Research Institutes, Tainan 70456, Taiwan; (C.-H.C.); (S.-W.C.); (P.-I.C.); (J.-M.C.)
- Correspondence: ; Tel.: +886-6-208-3422
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9
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Huang H, Kim MO, Kim KR. Anticancer effects of 6-shogaol via the AKT signaling pathway in oral squamous cell carcinoma. J Appl Oral Sci 2021; 29:e20210209. [PMID: 34644781 PMCID: PMC8523100 DOI: 10.1590/1678-7757-2021-0209] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 08/25/2021] [Indexed: 12/22/2022] Open
Abstract
Objective Oral squamous cell carcinoma (OSCC) is one of the common type of cancer that leads to death; and is becoming a global concern. Due to the lack of efficient chemotherapeutic agents for patients with oral cancer, the prognosis remains poor. 6-shogaol, a bioactive compound of ginger, has a broad spectrum of bioactivities and has been widely used to relieve many diseases. However, its effects on human oral cancer have not yet been fully evaluated. In our study, we investigated the anticancer effects of 6-shogaol on the proliferation, migration, invasion, apoptosis, and underlying mechanisms within human OSCC cell lines. Methodology We investigated the effect of 6-shogaol on the growth of OSCC cells by cell viability and soft agar colony formation assay. Migration and invasion assays were conducted to confirm the effect 6-shogaol on OSCC cell metastasis. Apoptosis was detected by flow cytometry and the underlying mechanism on the antigrowth effect of 6-shogaol in OSCC cells was assessed using western blotting. Results In our results, 6-shogaol not only suppressed proliferation and anchorage-independent cell growth in OSCC cells, but also induced apoptosis by regulating the apoptosis-associated factors such as p53, Bax, Bcl-2, and cleaved caspase-3. Migration and invasion of OSCC cells were inhibited following the regulation of E-cadherin and N-cadherin by 6-shogaol. Additionally, 6-shogaol treatment significantly inhibited the PI3K/AKT signaling pathway. Conclusion Therefore, our results may provide critical evidence that 6-shogaol can be a potential new therapeutic candidate for oral cancer.
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Affiliation(s)
- Hai Huang
- Kyungpook National University, Department of Animal Science and Biotechnology, Sangju, Republic of Korea
| | - Myoung-Ok Kim
- Kyungpook National University, Department of Animal Science and Biotechnology, Sangju, Republic of Korea
| | - Ki-Rim Kim
- Kyungpook National University, Department of Dental Hygiene, Sangju, Republic of Korea
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10
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Xie W, Zhao X, Guo L, Han Y, Yuan Z, Zhang H, Weng Q. Seasonal expressions of ERα, ERβ, EGF, EGFR, PI3K and Akt in the scent glands of the muskrats (Ondatra zibethicus). J Steroid Biochem Mol Biol 2021; 213:105961. [PMID: 34391939 DOI: 10.1016/j.jsbmb.2021.105961] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 07/14/2021] [Accepted: 08/07/2021] [Indexed: 12/28/2022]
Abstract
Epidermal growth factor (EGF) is an important autocrine and/or paracrine mediator of steroid hormones to stimulate growth and differentiation in mammals. The aim of this study is to investigate seasonal expressions of estrogen receptor α (ERα), estrogen receptor β (ERβ), EGF, epidermal growth factor receptor (EGFR), phosphatidylinositol 3-kinase (PI3K) and protein kinase B (Akt) in the scent glands of the muskrats during the breeding and non-breeding seasons. Histologically, three types of cells including the glandular cells, interstitial cells and epithelial cells were identified in the scent glands in both seasons. Immunohistochemical results showed that ERα, ERβ, EGF, EGFR, PI3K and Akt were presented in the different types of cells of the scent glands during the breeding and non-breeding seasons. Transcriptome data of the scent glandular tissues from muskrats in the breeding and non-breeding seasons showed that differential seasonal changes might be related to the estrogen-EGFR signaling pathway. The gene expression levels of ERα, ERβ, EGF, EGFR, PI3K were increased, while the gene expression level of Akt were decreased in the breeding season than those in the non-breeding season. Besides, the concentrations of 17β-estradiol (E2) in the serum and the scent glandular tissues were remarkably higher in the breeding season than those of the non-breeding season. Taken together, our results suggested that EGFR signaling pathway may coordinate with ERs signaling to regulate the seasonal changes of the scent glandular functions.
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Affiliation(s)
- Wenqian Xie
- Laboratory of Animal Physiology, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Xinyu Zhao
- Laboratory of Animal Physiology, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Li Guo
- Laboratory of Animal Physiology, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Yingying Han
- Laboratory of Animal Physiology, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Zhengrong Yuan
- Laboratory of Animal Physiology, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Haolin Zhang
- Laboratory of Animal Physiology, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China.
| | - Qiang Weng
- Laboratory of Animal Physiology, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China.
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11
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Mahapatra S, Bhuyan R, Das J, Swarnkar T. Integrated multiplex network based approach for hub gene identification in oral cancer. Heliyon 2021; 7:e07418. [PMID: 34258466 PMCID: PMC8258848 DOI: 10.1016/j.heliyon.2021.e07418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 01/27/2021] [Accepted: 06/23/2021] [Indexed: 02/01/2023] Open
Abstract
Background: The incidence of Oral Cancer (OC) is high in Asian countries, which goes undetected at its early stage. The study of genetics, especially genetic networks holds great promise in this endeavor. Hub genes in a genetic network are prominent in regulating the whole network structure of genes. Thus identification of such genes related to specific cancer types can help in reducing the gap in OC prognosis. Methods: Traditional study of network biology is unable to decipher the inter-dependencies within and across diverse biological networks. Multiplex network provides a powerful representation of such systems and encodes much richer information than isolated networks. In this work, we focused on the entire multiplex structure of the genetic network integrating the gene expression profile and DNA methylation profile for OC. Further, hub genes were identified by considering their connectivity in the multiplex structure and the respective protein-protein interaction (PPI) network as well. Results: 46 hub genes were inferred in our approach with a high prediction accuracy (96%), outstanding Matthews coefficient correlation value (93%) and significant biological implications. Among them, genes PIK3CG, PIK3R5, MYH7, CDC20 and CCL4 were differentially expressed and predominantly enriched in molecular cascades specific to OC. Conclusions: The identified hub genes in this work carry ontological signatures specific to cancer, which may further facilitate improved understanding of the tumorigenesis process and the underlying molecular events. Result indicates the effectiveness of our integrated multiplex network approach for hub gene identification. This work puts an innovative research route for multi-omics biological data analysis.
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Affiliation(s)
- S. Mahapatra
- Department of Computer Application, Siksha O Anusandhan Deemed to be University, Bhubaneswar, India
| | - R. Bhuyan
- Department of Oral Pathology & Microbiology, Siksha O Anusandhan Deemed to be University, Bhubaneswar, India
| | - J. Das
- Centre for Genomics & Biomedical Informatics, Siksha O Anusandhan Deemed to be University, Bhubaneswar, India
| | - T. Swarnkar
- Department of Computer Application, Siksha O Anusandhan Deemed to be University, Bhubaneswar, India
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12
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Moura ACD, Assad DX, Amorim Dos Santos J, Porto de Toledo I, Barra GB, Castilho RM, Squarize CH, Guerra ENS. Worldwide prevalence of PI3K-AKT-mTOR pathway mutations in head and neck cancer: A systematic review and meta-analysis. Crit Rev Oncol Hematol 2021; 160:103284. [PMID: 33675910 DOI: 10.1016/j.critrevonc.2021.103284] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 02/03/2021] [Accepted: 02/27/2021] [Indexed: 02/07/2023] Open
Abstract
A systematic review (SR) and meta-analysis were conducted to determine the prevalence of PI3K-AKT-mTOR signaling pathway mutations in patients with head and neck cancer (HNC). Overall, 105 studies comprising 8630 patients and 1306 mutations were selected. The estimated mutations prevalence was 13 % for PIK3CA (95 % confidence interval [CI] = 11-14; I2 = 82 %; p < 0.0001), 4% for PTEN (95 % CI = 3-5; I2 = 55 %; p < 0.0001), 3% for MTOR (95 % CI = 2-4; I2 = 5%; p = 0.40), and 2% for AKT (95 % CI = 1-2; I2 = 50 %; p = 0.0001). We further stratified the available data of the participants according to risk factors and tumor characteristics, including HPV infection, tobacco use, alcohol exposure, TNM stage, and histological tumor differentiation, and performed subgroup analysis. We identified significant associations between PI3K-AKT-mTOR pathway-associated mutations and advanced TNM stage (odds ratio [OR] = 0.20; 95 % CI = 0.09-0.44; I² = 71 %; p = 0.0001) and oropharyngeal HPV-positive tumors and PIK3CA mutations (OR = 17.48; 95 % CI = 4.20-72.76; I² = 69 %; p < 0.0002). No associations were found between alcohol and tobacco exposure, and tumor differentiation grade. This SR demonstrated that the PI3K-AKT-mTOR pathway emerges as a potential prognostic factor and could offer a molecular basis for future studies on therapeutic targeting in HNC patients.
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Affiliation(s)
- Adriana Castelo de Moura
- Laboratory of Oral Histopathology, Health Sciences Faculty, University of Brasília, Brasília, Brazil; Hospital Universitário de Brasília (HUB-UnB/Ebserh), Brasília, DF, Brazil; Hospital Santa Lúcia, Brasília, DF, Brazil
| | - Daniele Xavier Assad
- Laboratory of Oral Histopathology, Health Sciences Faculty, University of Brasília, Brasília, Brazil; Medical Oncology Department, Hospital Sírio-Libanês, Brasília, DF, Brazil
| | - Juliana Amorim Dos Santos
- Laboratory of Oral Histopathology, Health Sciences Faculty, University of Brasília, Brasília, Brazil
| | - Isabela Porto de Toledo
- Laboratory of Oral Histopathology, Health Sciences Faculty, University of Brasília, Brasília, Brazil
| | - Gustavo Barcelos Barra
- Sabin Medicina Diagnóstica, SAAN Quadra 03 Lotes 145/185, Brasília, 70632-340, DF, Brazil
| | - Rogerio Moraes Castilho
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, Division of Oral Pathology, Radiology and Medicine, University of Michigan School of Dentistry. Ann Arbor, 48109-1078, MI, USA; Rogel Cancer Center, University of Michigan, Ann Arbor, 48109, MI, USA
| | - Cristiane Helena Squarize
- Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, Division of Oral Pathology, Radiology and Medicine, University of Michigan School of Dentistry. Ann Arbor, 48109-1078, MI, USA; Rogel Cancer Center, University of Michigan, Ann Arbor, 48109, MI, USA
| | - Eliete Neves Silva Guerra
- Laboratory of Oral Histopathology, Health Sciences Faculty, University of Brasília, Brasília, Brazil; Laboratory of Epithelial Biology, Department of Periodontics and Oral Medicine, Division of Oral Pathology, Radiology and Medicine, University of Michigan School of Dentistry. Ann Arbor, 48109-1078, MI, USA.
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13
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Bhattacharyya S, Ray S, Saha D, Mustafi SM, Alam N, Sarkar A, Murmu N. Chewing tobacco may act as a risk factor for dysplastic transformation of squamous cells in Oral leukoplakia- A cytochemistry based approach. Pathol Res Pract 2020; 218:153287. [PMID: 33454586 DOI: 10.1016/j.prp.2020.153287] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 11/10/2020] [Accepted: 11/11/2020] [Indexed: 11/18/2022]
Abstract
The use of chewing tobacco is a severe risk factor for oral mucosa related diseases including cancer in India as well as USA, although its relationship with Oral Leukoplakia (OL) or related carcinogenicity is still not clear. This work chose two oncogenic pathway proteins- the Epidermal Growth Factor Receptor and the WNT pathway among leukoplakia patients and established their correlation with the individuals' tobacco chewing habit. 89 fresh patients with OL were selected for the work. The samples were classified based on the individual's tobacco chewing habit. The divided samples were then immunostained with antibodies for both of the EGFR as well as WNT pathway proteins. The samples were further classified based on their proliferation status and the expression of these oncoproteins was also observed. In order to compare the cytological data with histological data, 30 OL patients undergoing biopsy were chosen and immunohistological analysis was performed for the same pathways. Results showed overexpressing EGFR and WNT pathway proteins in all OL samples. Structurally atypic cells had a tendency to overexpress these oncoproteins. However the immunocytochemistry data could not confirm any positive effect of chewing tobacco on the OL's proliferative state. Statistical data from the immunfluorescence finally revealed the overexpression of both EGFR and WNT pathway proteins on the proliferative population establishing chewing tobacco as a positive risk factor for the onset of OL. Data from biopsy samples followed the same trend of protein expression seen in the cytological samples. Dysplastic zones showed huge overexpression of EGFR and WNT pathway proteins among tobacco chewers. In conclusion, this is the first time report showing the effect of chewing tobacco on the EGFR and WNT pathway in OL and its possible role as a potential risk factor for its proliferative type.
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Affiliation(s)
- Sayantan Bhattacharyya
- Department of Signal Transduction & Biogenic Amines, Chittaranjan National Cancer Institute, India
| | - Sudipta Ray
- Department of Signal Transduction & Biogenic Amines, Chittaranjan National Cancer Institute, India
| | - Depanwita Saha
- Department of Signal Transduction & Biogenic Amines, Chittaranjan National Cancer Institute, India
| | | | - Neyaz Alam
- Department of Surgical Oncology, Chittaranjan National Cancer Institute, India
| | - Aniruddha Sarkar
- Department of Head and Neck Oncology, Chittaranjan National Cancer Institute, India
| | - Nabendu Murmu
- Department of Signal Transduction & Biogenic Amines, Chittaranjan National Cancer Institute, India.
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14
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The Potential of Phytochemicals in Oral Cancer Prevention and Therapy: A Review of the Evidence. Biomolecules 2020; 10:biom10081150. [PMID: 32781654 PMCID: PMC7465709 DOI: 10.3390/biom10081150] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 07/29/2020] [Accepted: 08/03/2020] [Indexed: 12/15/2022] Open
Abstract
The etiological factors of oral cancer are complex including drinking alcohol, smoking tobacco, betel quid chewing, human papillomavirus infection, and nutritional deficiencies. Understanding the molecular mechanism of oral cancer is vital. The traditional treatment for patients with oral squamous cell carcinoma (e.g., surgery, radiotherapy, and chemotherapy) and targeted molecular therapy still have numerous shortcomings. In recent years, the use of phytochemical factors to prevent or treat cancer has received increasing attention. These phytochemicals have little or no toxicity against healthy tissues and are thus ideal chemopreventive agents. However, phytochemicals usually have low water solubility, low bioavailability, and insufficient targeting which limit therapeutic use. Numerous studies have investigated the development of phytochemical delivery systems to address these problems. The present article provides an overview of oral cancer including the etiological factors, diagnosis, and traditional therapy. Furthermore, the classification, dietary sources, anticancer bioactivity, delivery system improvements, and molecular mechanisms against oral cancer of phytochemicals are also discussed in this review.
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15
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Reyes M, Flores T, Betancur D, Peña-Oyarzún D, Torres VA. Wnt/β-Catenin Signaling in Oral Carcinogenesis. Int J Mol Sci 2020; 21:ijms21134682. [PMID: 32630122 PMCID: PMC7369957 DOI: 10.3390/ijms21134682] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 06/23/2020] [Accepted: 06/28/2020] [Indexed: 12/15/2022] Open
Abstract
Oral carcinogenesis is a complex and multifactorial process that involves cumulative genetic and molecular alterations, leading to uncontrolled cell proliferation, impaired DNA repair and defective cell death. At the early stages, the onset of potentially malignant lesions in the oral mucosa, or oral dysplasia, is associated with higher rates of malignant progression towards carcinoma in situ and invasive carcinoma. Efforts have been made to get insights about signaling pathways that are deregulated in oral dysplasia, as these could be translated into novel markers and might represent promising therapeutic targets. In this context, recent evidence underscored the relevance of the Wnt/β-catenin signaling pathway in oral dysplasia, as this pathway is progressively "switched on" through the different grades of dysplasia (mild, moderate and severe dysplasia), with the consequent nuclear translocation of β-catenin and expression of target genes associated with the maintenance of representative traits of oral dysplasia, namely cell proliferation and viability. Intriguingly, recent studies provide an unanticipated connection between active β-catenin signaling and deregulated endosome trafficking in oral dysplasia, highlighting the relevance of endocytic components in oral carcinogenesis. This review summarizes evidence about the role of the Wnt/β-catenin signaling pathway and the underlying mechanisms that account for its aberrant activation in oral carcinogenesis.
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Affiliation(s)
- Montserrat Reyes
- Department of Pathology and Oral Medicine, Faculty of Dentistry, Universidad de Chile, Santiago 8380453, Chile; (T.F.); (D.B.)
- Correspondence: (M.R.); (V.A.T.)
| | - Tania Flores
- Department of Pathology and Oral Medicine, Faculty of Dentistry, Universidad de Chile, Santiago 8380453, Chile; (T.F.); (D.B.)
- Institute for Research in Dental Sciences, Faculty of Dentistry, Universidad de Chile, Santiago 8380453, Chile;
- Research Centre in Dental Science (CICO), Faculty of Dentistry, Universidad de La Frontera, Temuco 4780000, Chile
| | - Diego Betancur
- Department of Pathology and Oral Medicine, Faculty of Dentistry, Universidad de Chile, Santiago 8380453, Chile; (T.F.); (D.B.)
- Institute for Research in Dental Sciences, Faculty of Dentistry, Universidad de Chile, Santiago 8380453, Chile;
| | - Daniel Peña-Oyarzún
- Institute for Research in Dental Sciences, Faculty of Dentistry, Universidad de Chile, Santiago 8380453, Chile;
- Advanced Center for Chronic Diseases (ACCDiS), Universidad de Chile, Santiago 8380453, Chile
| | - Vicente A. Torres
- Institute for Research in Dental Sciences, Faculty of Dentistry, Universidad de Chile, Santiago 8380453, Chile;
- Advanced Center for Chronic Diseases (ACCDiS), Universidad de Chile, Santiago 8380453, Chile
- Correspondence: (M.R.); (V.A.T.)
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A novel reporter construct for screening small molecule inhibitors that specifically target self-renewing cancer cells. Exp Cell Res 2019; 383:111551. [PMID: 31401066 DOI: 10.1016/j.yexcr.2019.111551] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 08/05/2019] [Accepted: 08/06/2019] [Indexed: 12/11/2022]
Abstract
Cancer stem cells (CSCs) are a subset of cancer cells, which possess self-renewal ability, and lead to tumor progression, metastasis, and resistance to therapy. Live detection and isolation of CSCs are important to understand the biology of CSCs as well as to screen drugs that target them. Even though CSCs are detected using surface markers, there is a lot of inconsistencies for that in a given cancer type. At the same time, self-renewal markers like ALDH1A1, OCT4A and SOX2, which are intracellular molecules, are reliable markers for CSCs in different cancers. In the present study, we generated a reporter construct for self-renewing CSCs, based on ALDH1A1 expression. Oral cancer cells harboring ALDH1A1-DsRed2 were used to screen inhibitors that target CSCs. Our results showed that Comb1, a cocktail of inhibitors for EGF and TGF-β pathways and their intermediates, effectively reduced the DsRed2 population to 34%. Our immunohistochemical analysis on primary oral cancer corroborated the importance of EGF and TGF-β pathways in sustaining CSCs. Since these two pathways are also critical for the self-renewal and differentiation of normal stem cells, Comb1 might abolish them as well. On analysis of the effect of Comb1 on normal murine bone marrow cells, there was no significant change in the stem cell self-renewal and differentiation potential in the treated group compared to untreated cells. To conclude, we claim that ALDH1A1-DsRed2 is a useful tool to detect CSCs, and Comb1 is effective in targeting CSCs without affecting normal stem cells.
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17
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Porcheri C, Meisel CT, Mitsiadis T. Multifactorial Contribution of Notch Signaling in Head and Neck Squamous Cell Carcinoma. Int J Mol Sci 2019; 20:E1520. [PMID: 30917608 PMCID: PMC6471940 DOI: 10.3390/ijms20061520] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 03/21/2019] [Accepted: 03/22/2019] [Indexed: 12/20/2022] Open
Abstract
Head and neck squamous cell carcinoma (HNSCC) defines a group of solid tumors originating from the mucosa of the upper aerodigestive tract, pharynx, larynx, mouth, and nasal cavity. It has a metastatic evolution and poor prognosis and is the sixth most common cancer in the world, with 600,000 new cases reported every year. HNSCC heterogeneity and complexity is reflected in a multistep progression, involving crosstalk between several molecular pathways. The Notch pathway is associated with major events supporting cancerogenic evolution: cell proliferation, self-renewal, angiogenesis, and preservation of a pro-oncogenic microenvironment. Additionally, Notch is pivotal in tumor development and plays a dual role acting as both oncogene and tumor suppressor. In this review, we summarize the role of the Notch pathway in HNSCC, with a special focus on its compelling role in major events of tumor initiation and growth.
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Affiliation(s)
- Cristina Porcheri
- University of Zurich, Institute of Oral Biology, Plattenstrasse 11, CH-8032 Zurich, Switzerland.
| | - Christian Thomas Meisel
- University of Zurich, Institute of Oral Biology, Plattenstrasse 11, CH-8032 Zurich, Switzerland.
| | - Thimios Mitsiadis
- University of Zurich, Institute of Oral Biology, Plattenstrasse 11, CH-8032 Zurich, Switzerland.
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Tata P, Gondaliya P, Sunkaria A, Srivastava A, Kalia K. Modulation of CD44, EGFR and RAC Pathway Genes (WAVE Complex) in Epithelial Cancers. Curr Pharm Des 2019; 25:833-848. [PMID: 30799784 DOI: 10.2174/1381612825666190222143044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 02/13/2019] [Indexed: 12/12/2022]
Abstract
Cancer hallmarks help in understanding the diversity of various neoplasms. Epithelial cancers play an immense role in the tumor biology through Epithelial-Mesenchymal Transition (EMT) process. Receptor tyrosine kinase, as well as phosphatidyl ionositol-3 kinase pathways, play an important role in the regulation of cell proliferation, survival, and differentiation during EMT. Till date, numerous studies have shown modulation in the expression profile of potential targets like CD44, EGFR, and Rac in epithelial cancers. CD44 interacts with EGFR and recruits other molecules which further activate the Rac pathway intermediates. This review mainly focused on modulation of genes like CD44, EGFR, and Rac pathway intermediates which play a crucial role in the tumor progression, metastasis, proliferation, and invasion characteristics in epithelial cancers with EMT properties. Hence, targeting Rac pathway might be a more strategically relevant approach in treating epithelial cancers.
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Affiliation(s)
- Pranathi Tata
- National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat-382355, India
| | - Piyush Gondaliya
- National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat-382355, India
| | - Aditya Sunkaria
- National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat-382355, India
| | - Akshay Srivastava
- National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat-382355, India
| | - Kiran Kalia
- National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat-382355, India
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Lakshminarayana S, Augustine D, Rao RS, Patil S, Awan KH, Venkatesiah SS, Haragannavar VC, Nambiar S, Prasad K. Molecular pathways of oral cancer that predict prognosis and survival: A systematic review. J Carcinog 2018; 17:7. [PMID: 30766450 PMCID: PMC6334533 DOI: 10.4103/jcar.jcar_17_18] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 10/25/2018] [Indexed: 12/12/2022] Open
Abstract
Several genes and pathways associated with oral squamous cell carcinoma (OSCC) are significant in terms of early detection and prognosis. The objective of this literature review is to evaluate the current research on molecular pathways and genes involved in oral cancer. Articles on the genes involved in oral cancer pathways were evaluated to identify potential biomarkers that can predict survival. In total, 36 articles were retrieved from internet databases, including EBSCO Host, Google Scholar, PubMed, and Science Direct, using the keywords "biomarker of oral cancer," "pathways of oral cancer," "genes involved in oral cancer," and "oral cancer pathways." A total of 36 studies related to OSCC were chosen. Most of the studies used cell lines, while others used archival tissues, few studies followed up the cases. Three major interlinked pathways found were the nuclear factor kappa B (NF-kB), PI3K-AKT, and Wnt pathways. The commonly mutated genes were cyclin D1 (CCND1), Rb, p53, FLJ10540, and TC21. The NF-kB, PI3K-AKT, and Wnt pathways are most frequently involved in the molecular pathogenesis of oral cancer. However, the CCND1, Rb, p53, FLJ10540, and TC21 genes were found to be more accurate in determining patients' overall survival. Polymerase chain reaction, immunohistochemistry, and immunoblotting were the commonly used detection methods.
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Affiliation(s)
- Surendra Lakshminarayana
- Department of Oral Pathology and Microbiology, Faculty of Dental Sciences, Ramaiah University of Applied Sciences, Bengaluru, Karnataka, India
| | - Dominic Augustine
- Department of Oral Pathology and Microbiology, Faculty of Dental Sciences, Ramaiah University of Applied Sciences, Bengaluru, Karnataka, India
| | - Roopa S Rao
- Department of Oral Pathology and Microbiology, Faculty of Dental Sciences, Ramaiah University of Applied Sciences, Bengaluru, Karnataka, India
| | - Shankargouda Patil
- Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | - Kamran Habib Awan
- College of Dental Medicine, Roseman University of Health Sciences, South Jordan, Utah, USA
| | - Sowmya Samudrala Venkatesiah
- Department of Oral Pathology and Microbiology, Faculty of Dental Sciences, Ramaiah University of Applied Sciences, Bengaluru, Karnataka, India
| | - Vanishri C Haragannavar
- Department of Oral Pathology and Microbiology, Faculty of Dental Sciences, Ramaiah University of Applied Sciences, Bengaluru, Karnataka, India
| | - Shwetha Nambiar
- Department of Oral Pathology and Microbiology, Faculty of Dental Sciences, Ramaiah University of Applied Sciences, Bengaluru, Karnataka, India
| | - Kavitha Prasad
- Department of Oral and Maxillofacial Surgery, Faculty of Dental Sciences, Ramaiah University of Applied Sciences, Bengaluru, Karnataka, India
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Katase N, Nishimatsu SI, Yamauchi A, Yamamura M, Fujita S. DKK3 knockdown confers negative effects on the malignant potency of head and neck squamous cell carcinoma cells via the PI3K/Akt and MAPK signaling pathways. Int J Oncol 2018; 54:1021-1032. [PMID: 30569110 DOI: 10.3892/ijo.2018.4667] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Accepted: 10/12/2018] [Indexed: 11/06/2022] Open
Abstract
Dickkopf‑related protein 3 (DKK3), which is a member of the Dickkopf WNT signaling pathway inhibitor family, is considered to be a tumor suppressor, due to its reduced expression in cancer cells and its ability to induce apoptosis when overexpressed by adenovirus. However, our previous study demonstrated alternative functions for DKK3 in head and neck squamous cell carcinoma (HNSCC). Our study reported that DKK3 expression was predominantly upregulated in HNSCC cell lines and tissue samples, and its expression was significantly correlated with poor prognosis. Furthermore, DKK3 overexpression in HNSCC cells significantly increased cancer cell proliferation, migration, invasion and in vivo tumor growth. These data have led to the hypothesis that DKK3 may exert oncogenic functions and may increase the malignant properties of HNSCC. The present study established a stable DKK3 knockdown cell line (HSC‑3 shDKK3) using lentivirus‑mediated short hairpin RNA, and assessed its effects on cancer cell behavior using MTT, migration and invasion assays. In addition, its effects on in vivo tumor growth were assessed using a xenograft model. Furthermore, the molecular mechanisms underlying the effects of DKK3 knockdown were investigated by microarray analysis, pathway analysis and western blotting. Compared with control cells, HSC‑3 shDKK3 cells exhibited significantly reduced proliferation, migration and invasion, and formed significantly smaller tumor masses when subcutaneously transplanted into nude mice. In addition, in HSC‑3 shDKK3 cells, the expression levels of phosphorylated (p)‑protein kinase B (Akt) (Ser473), p‑phosphoinositide 3‑kinase (PI3K) p85 (Tyr467), p‑PI3K p55 (Try199), p‑3‑phosphoinositide‑dependent protein kinase‑1 (PDK1) (Ser241) and total p38 mitogen‑activated protein kinase (MAPK) were reduced. Furthermore, phosphorylation of mechanistic target of rapamycin (mTOR) (Ser2448) was slightly decreased in HSC‑3 shDKK3 cells, which may be due to the increased expression of DEP domain‑containing mTOR‑interacting protein. Conversely, DKK3 overexpression in HSC‑3 shDKK3 cells rescued cellular proliferation, migration and invasion. With regards to expression levels, p‑PI3K and p‑PDK1 expression was not altered, whereas mTOR and p‑p38 MAPK expression was elevated. These data supported the hypothesis and indicated that DKK3 may contribute to the malignant phenotype of HNSCC cells via the PI3K/Akt/mTOR and MAPK signaling pathways.
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Affiliation(s)
- Naoki Katase
- Department of Oral Pathology, Institute of Biomedical Sciences, Nagasaki University, Nagasaki, Nagasaki 852‑8588, Japan
| | - Shin-Ichiro Nishimatsu
- Department of Molecular and Developmental Biology, Kawasaki Medical School, Kurashiki, Okayama 701‑0192, Japan
| | - Akira Yamauchi
- Department of Biochemistry, Kawasaki Medical School, Kurashiki, Okayama 701‑0192, Japan
| | - Masahiro Yamamura
- Department of Clinical Oncology, Kawasaki Medical School, Kurashiki, Okayama 701‑0192, Japan
| | - Shuichi Fujita
- Department of Oral Pathology, Institute of Biomedical Sciences, Nagasaki University, Nagasaki, Nagasaki 852‑8588, Japan
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21
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Padthaisong S, Dokduang H, Yothaisong S, Techasen A, Namwat N, Yongvanit P, Khuntikeo N, Titapun A, Sangkhamanon S, Loilome W. Inhibitory effect of NVP-BKM120 on cholangiocarcinoma cell growth. Oncol Lett 2018; 16:1627-1633. [PMID: 30008846 PMCID: PMC6036373 DOI: 10.3892/ol.2018.8848] [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: 07/28/2016] [Accepted: 01/25/2018] [Indexed: 01/17/2023] Open
Abstract
Abnormal activation of the phosphatidylinositol 3-kinase (PI3K) pathway has been demonstrated in certain types of cancer, including cholangiocarcinoma (CCA). This pathway may therefore be a promising target for CCA treatment. The present study assessed the inhibitory effect of NVP-BKM120, a pan-class I PI3K inhibitor, on CCA cell growth. This inhibitory effect was determined using CCA cell lines and in CCA-inoculated mice. The result from sulforhodamine B (SRB) assay demonstrated that NVP-BKM120 treatment inhibited CCA cell growth in a dose-dependent manner, even at the lowest tested concentration. The in vivo study revealed that oral administration of NVP-BKM120 (10 or 30 mg/kg) to CCA-inoculated nude mice led to a reduction in tumor growth when compared with controls, which was indicated by an immunohistochemical assay for Ki67 expression. In addition, the result from TUNEL assay demonstrated that NVP-BKM120 induced cancer cell death without any signs of toxicity, which indicated by the body weight of mice (data not shown). Western blot analysis demonstrated that NVP-BKM120 inhibited CCA cell growth by suppressing RAC serine/threonine protein kinase/mechanistic target of rapamycin activation and inhibiting the phosphorylation of phosphatase and tensin homolog, which is the inactivation form of the negative regulator of this pathway. Therefore, the results of the present study indicated that NVP-BKM120 should be considered as a therapeutic agent against CCA that could be used to improve treatment.
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Affiliation(s)
- Sureerat Padthaisong
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Cholangiocarcinoma Research Institute (CARI), Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Hasaya Dokduang
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Cholangiocarcinoma Research Institute (CARI), Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen 40002, Thailand
| | - Supak Yothaisong
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Cholangiocarcinoma Research Institute (CARI), Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Anchalee Techasen
- Cholangiocarcinoma Research Institute (CARI), Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Faculty of Associated Medical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Nisana Namwat
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Cholangiocarcinoma Research Institute (CARI), Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen 40002, Thailand
| | - Puangrat Yongvanit
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Cholangiocarcinoma Research Institute (CARI), Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen 40002, Thailand
| | - Narong Khuntikeo
- Cholangiocarcinoma Research Institute (CARI), Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen 40002, Thailand.,Department of Surgery, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Attapol Titapun
- Cholangiocarcinoma Research Institute (CARI), Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Department of Surgery, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Sakkarn Sangkhamanon
- Cholangiocarcinoma Research Institute (CARI), Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen 40002, Thailand.,Department of Pathology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Watcharin Loilome
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Department of Surgery, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Department of Pathology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
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22
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Pontes FSC, Pontes HAR, de Souza LL, de Jesus AS, Joaquim AMC, Miyahara LAN, Fonseca FP, Pinto Junior DS. Effect of 17-allylamino-17-demethoxygeldanamycin (17-AAG) on Akt protein expression is more effective in head and neck cancer cell lineages that retain PTEN protein expression. J Oral Pathol Med 2018; 47:253-259. [PMID: 29297949 DOI: 10.1111/jop.12676] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/28/2017] [Indexed: 12/16/2022]
Abstract
OBJECTIVES The aim of this study was to evaluate the expression of Akt, PTEN, Mdm2 and p53 proteins in three different head and neck squamous cell carcinoma (HNSCC) cell lines (HN6, HN19 and HN30), all of them treated with epidermal growth factor (EGF) and 17-allylamino-17-demethoxygeldanamycin (17-AAG), an inhibitor of Hsp90 protein. MATERIAL AND METHODS Immunofluorescence and western blot were performed in order to analyze the location and quantification, respectively, of proteins under the action 17-AAG and EGF. RESULTS Treatment with EGF resulted in increased levels of Akt, PTEN and p53 in all cell lineages. The expression of Mdm2 was constant in HN30 and HN6 lineages, while in HN19 showed slightly decreased expression. Under the action 17-AAG, in HN6 and HN19, the expression of PTEN and p53 proteins was suppressed, while Akt and Mdm2 expression was reduced. Finally, in the HN30 cell lineage were absolute absence of expression of Akt, Mdm2 and p53 and decreased expression of PTEN. CONCLUSION These data allow us to speculate on the particular utility of 17-AAG for HNSCC treatment through the inhibition of Akt protein expression, especially in the cases that retain the expression of PTEN protein.
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Affiliation(s)
- Flávia Sirotheau C Pontes
- Oral Surgery and Pathology Department, João de Barros Barreto University Hospital/Federal University of Pará, Belém, Pará, Brazil
| | - Hélder A R Pontes
- Oral Surgery and Pathology Department, João de Barros Barreto University Hospital/Federal University of Pará, Belém, Pará, Brazil
| | - Lucas L de Souza
- Oral Surgery and Pathology Department, João de Barros Barreto University Hospital/Federal University of Pará, Belém, Pará, Brazil
| | - Adriana S de Jesus
- Oral Surgery and Pathology Department, João de Barros Barreto University Hospital/Federal University of Pará, Belém, Pará, Brazil
| | - Andrea M C Joaquim
- Oral Surgery and Pathology Department, João de Barros Barreto University Hospital/Federal University of Pará, Belém, Pará, Brazil
| | - Ligia A N Miyahara
- Oral Diagnosis Department, Semiology and Oral Pathology Areas, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil
| | - Felipe P Fonseca
- Department of Oral Surgery and Pathology, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
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23
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Manimaran A, Manoharan S, Neelakandan M. EMODIN EFFICACY ON THE AKT, MAPK, ERK AND DNMT EXPRESSION PATTERN DURING DMBA-INDUCED ORAL CARCINOMA IN GOLDEN SYRIAN HAMSTERS. AFRICAN JOURNAL OF TRADITIONAL, COMPLEMENTARY, AND ALTERNATIVE MEDICINES 2016; 13:186-193. [PMID: 28480378 PMCID: PMC5412193 DOI: 10.21010/ajtcam.v13i6.27] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Background: The present study has evaluated the Emodin efficacy on the Akt, MAPK, ERK and DNMT expression pattern during 7,12-dimethylbenz[a]anthracene (DMBA)-induced oral carcinoma in golden Syrian hamsters, in order to explore its antitumor potential. Materials and methods: Oral tumors were developed in the buccal pouches of golden Syrian hamsters using the carcinogen, DMBA. Results: While the incidence of tumor formation was 100% in hamsters treated with DMBA alone, the tumor formation was not noticed in DMBA+ Emodin treated hamsters. Also, Emodin reduced the severity of precancerous pathological lesions such as dysplasia, in the hamsters treated with DMBA. Emodin administration corrected the abnormalities in the expression pattern of Akt, MAPK, ERK and DNMT in the buccal mucosa of hamsters treated with DMBA. Conclusions: The present study thus suggests that the tumor preventive potential of Emodin is partly related to its modulating effect on the Akt, MAPK, ERK and DNMT expression pattern, as these molecular markers have a pivotal role in the process of cell proliferation, inflammation, invasion, and apoptosis.
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Affiliation(s)
- Asokan Manimaran
- Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalainagar - 608002, Tamilnadu, India
| | - Shanmugam Manoharan
- Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalainagar - 608002, Tamilnadu, India
| | - Mani Neelakandan
- Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalainagar - 608002, Tamilnadu, India
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24
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Pan Y, Chen Y, Ma D, Ji Z, Cao F, Chen Z, Ning Y, Bai C. miR-646 is a key negative regulator of EGFR pathway in lung cancer. Exp Lung Res 2016; 42:286-95. [PMID: 27462913 DOI: 10.1080/01902148.2016.1207726] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
BACKGROUND As one of the leading cause of cancer-related deaths in the worldwide, lung cancer needs to be understood better. Nowadays, increasing point mutations of specific oncogenes are biomarkers used to predict the therapeutic effect of targeted therapy and lung cancer has entered the age of individual treatment. At present, many relevant researchers have suggested that EGFR is a biomarker used to predict the therapeutic effect of targeted therapy. A large number of evidence indicates that EGFR/Akt pathway plays important role in cancer growth and metastasis. AIM OF THE STUDY In this paper, we found EGFR was a target of miR-646. RESULTS Overexpression of miR-646 not only downregulated EGFR/Akt pathway, but also inhibited lung cancer cell proliferation and metastasis. At the same time, miR-646 was a prognosis factor for overall survival. CONCLUSION Our finding could provide new insights into the molecular therapeutic of lung cancer.
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Affiliation(s)
- Yunhu Pan
- a Department of Respiratory and Critical Care Medicine, Changhai Hospital , Second Military Medical University , Yangpu District , Shanghai , China.,b Department of Respiratory Medicine , No. 92 Hospital of Chinese People's Liberation Army , Yanping District, Nanping , Fujian , China
| | - Yitan Chen
- b Department of Respiratory Medicine , No. 92 Hospital of Chinese People's Liberation Army , Yanping District, Nanping , Fujian , China
| | - Debin Ma
- c Department of Respiratory Medicine , General Hospital of Shenyang Military Area Command , Shenhe District, Shenyang , Liaoning , China
| | - Zhiyu Ji
- b Department of Respiratory Medicine , No. 92 Hospital of Chinese People's Liberation Army , Yanping District, Nanping , Fujian , China
| | - Fangyu Cao
- b Department of Respiratory Medicine , No. 92 Hospital of Chinese People's Liberation Army , Yanping District, Nanping , Fujian , China
| | - Zhibin Chen
- b Department of Respiratory Medicine , No. 92 Hospital of Chinese People's Liberation Army , Yanping District, Nanping , Fujian , China
| | - Yunye Ning
- a Department of Respiratory and Critical Care Medicine, Changhai Hospital , Second Military Medical University , Yangpu District , Shanghai , China
| | - Chong Bai
- a Department of Respiratory and Critical Care Medicine, Changhai Hospital , Second Military Medical University , Yangpu District , Shanghai , China
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25
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Marques AEM, Elias ST, Porporatti AL, Castilho RM, Squarize CH, De Luca Canto G, Guerra ENS. mTOR pathway protein immunoexpression as a prognostic factor for survival in head and neck cancer patients: a systematic review and meta-analysis. J Oral Pathol Med 2015; 45:319-28. [PMID: 26661562 DOI: 10.1111/jop.12390] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/31/2015] [Indexed: 12/19/2022]
Abstract
BACKGROUND Several mTOR pathway proteins are involved in the regulation of cellular anabolism, growth, proliferation, and survival. Activated proteins in the mTOR pathway are deregulated in multiple types of cancers and could influence prognosis. However, it is unclear whether deregulation of mTOR pathway proteins serves a prognostic role in patients with head and neck cancer (HNC). Furthermore, proteins in the mTOR pathway may be important targets for anticancer therapy. The aim of this study was to summarize existing cohort studies to determine whether immunoexpression of mTOR pathway proteins are important prognostic factors for survival in patients with HNC. MATERIALS AND METHODS A systematic review was performed using the Cochrane, Lilacs, PubMed, ScienceDirect, Scopus, and Web of Science databases (up to 23 January 2015). A meta-analysis was conducted to measure the frequency of protein expression in head and neck cancer patient samples and the prognostic value of mTOR pathway proteins for overall survival (OS) and disease-free survival (DFS). RESULTS Twelve studies were included in our final analysis. The meta-analysis revealed that the frequency of overall expression of mTOR pathway proteins was 74.42% (CI: 63.3 to 84.0, P < 0.001, n = 2016 samples). The survival meta-analysis showed a pooled hazard ratio for OS and DFS of 1.44 (95% confidence interval [95% CI] 1.14-1.73) and 1.18 (95% CI 0.71-1.64), respectively. CONCLUSION This systematic review and meta-analysis support evidence that mTOR pathway proteins can be used as predictive markers for survival in patients with HNC because their expression was significantly associated with poor OS and short DFS.
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Affiliation(s)
| | - Silvia Taveira Elias
- Oral Histopathology Laboratory, Health Sciences Faculty, University of Brasília, Brasília, DF, Brazil
| | - André Luís Porporatti
- Department of Dentistry, Federal University of Santa Catarina, Florianópolis, SC, Brazil.,Department of Prosthodontics, Section of Orofacial Pain, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil
| | - Rogerio Moraes Castilho
- Epithelial Biology Laboratory, Department of Periodontics and Oral Medicine, Division of Oral Pathology, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Cristiane Helena Squarize
- Epithelial Biology Laboratory, Department of Periodontics and Oral Medicine, Division of Oral Pathology, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Graziela De Luca Canto
- Department of Dentistry, Federal University of Santa Catarina, Florianópolis, SC, Brazil.,Department of Dentistry, University of Alberta, Edmonton, AB, Canada
| | - Eliete Neves Silva Guerra
- Oral Histopathology Laboratory, Health Sciences Faculty, University of Brasília, Brasília, DF, Brazil
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26
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Archewa P, Pata S, Chotjumlong P, Supanchart C, Krisanaprakornkit S, Iamaroon A. Akt2 and p-Akt overexpression in oral cancer cells is due to a reduced rate of protein degradation. ACTA ACUST UNITED AC 2015; 8. [PMID: 26393327 DOI: 10.1111/jicd.12194] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Accepted: 08/03/2015] [Indexed: 10/23/2022]
Abstract
OBJECTIVE To quantitatively measure the increased expression of Akt2 and its phosphorylated form (p-Akt) in oral cancer cell lines and investigate the post-translational mechanism for Akt2 and p-Akt overexpression. METHODS Three oral cancer cell lines and three cell lines of primary human oral keratinocytes (HOKs) were cultured and the degrees of Akt2 and p-Akt expression was evaluated by immunoblot analysis and flow cytometry. Each cell line was incubated with cycloheximide, an inhibitor of new protein synthesis, for various times to quantitatively determine the remaining expression levels of Akt2 and p-Akt by flow cytometry. The localization of Akt2 and p-Akt was assessed by immunofluorescence. RESULTS The levels of Akt2 and p-Akt proteins were significantly higher in cancer cell lines than those in HOKs (P < 0.05). When the new protein synthesis was blocked by cycloheximide treatment, the degradation rate of Akt2 and p-Akt in oral cancer cells was significantly lower than that in HOKs (P < 0.05). Both Akt2 and p-Akt were more intensely stained in the cytoplasm of cancer cells, whereas HOKs expressed Akt2 and p-Akt only minimally. CONCLUSION Both Akt2 and p-Akt were overexpressed in oral cancer cells, which may be partly explained by a reduced rate of protein degradation in order to maintain high cytosolic levels.
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Affiliation(s)
- Prakasit Archewa
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Chiang Mai University, Chiang Mai, Thailand
| | - Supansa Pata
- Department of Medical Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Pareena Chotjumlong
- Department of Oral Biology and Diagnostic Sciences, Center of Excellence in Oral and Maxillofacial Biology, Faculty of Dentistry, Chiang Mai University, Chiang Mai, Thailand
| | - Chayarop Supanchart
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Chiang Mai University, Chiang Mai, Thailand
| | - Suttichai Krisanaprakornkit
- Department of Oral Biology and Diagnostic Sciences, Center of Excellence in Oral and Maxillofacial Biology, Faculty of Dentistry, Chiang Mai University, Chiang Mai, Thailand
| | - Anak Iamaroon
- Department of Oral Biology and Diagnostic Sciences, Center of Excellence in Oral and Maxillofacial Biology, Faculty of Dentistry, Chiang Mai University, Chiang Mai, Thailand
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27
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Randhawa V, Acharya V. Integrated network analysis and logistic regression modeling identify stage-specific genes in Oral Squamous Cell Carcinoma. BMC Med Genomics 2015; 8:39. [PMID: 26179909 PMCID: PMC4502639 DOI: 10.1186/s12920-015-0114-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2015] [Accepted: 07/06/2015] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Oral squamous cell carcinoma (OSCC) is associated with substantial mortality and morbidity but, OSCC can be difficult to detect at its earliest stage due to its molecular complexity and clinical behavior. Therefore, identification of key gene signatures at an early stage will be highly helpful. METHODS The aim of this study was to identify key genes associated with progression of OSCC stages. Gene expression profiles were classified into cancer stage-related modules, i.e., groups of genes that are significantly related to a clinical stage. For prioritizing the candidate genes, analysis was further restricted to genes with high connectivity and a significant association with a stage. To assess predictive power of these genes, a classification model was also developed and tested by 5-fold cross validation and on an independent dataset. RESULTS The identified genes were enriched for significant processes and functional pathways, and various genes were found to be directly implicated in OSCC. Forward and stepwise, multivariate logistic regression analyses identified 13 key genes whose expression discriminated early- and late-stage OSCC with predictive accuracy (area under curve; AUC) of ~0.81 in a 5-fold cross-validation strategy. CONCLUSIONS The proposed network-driven integrative analytical approach can identify multiple genes significantly related to an OSCC stage; the classification model that is developed with these genes may help to distinguish cancer stages. The proposed genes and model hold promise for monitoring of OSCC stage progression, and our findings may facilitate cancer detection at an earlier stage, resulting in improved treatment outcomes.
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Affiliation(s)
- Vinay Randhawa
- Functional Genomics and Complex Systems Laboratory, Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Council of Scientific and Industrial Research, Palampur, Himachal Pradesh, India. .,Academy of Scientific and Innovative Research (AcSIR), New Delhi, India.
| | - Vishal Acharya
- Functional Genomics and Complex Systems Laboratory, Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Council of Scientific and Industrial Research, Palampur, Himachal Pradesh, India. .,Academy of Scientific and Innovative Research (AcSIR), New Delhi, India.
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Apoptosis induction by an analog of curcumin (BDMC-A) in human laryngeal carcinoma cells through intrinsic and extrinsic pathways. Cell Oncol (Dordr) 2014; 37:439-54. [DOI: 10.1007/s13402-014-0207-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/30/2014] [Indexed: 01/08/2023] Open
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