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Hutarew G, Alinger-Scharinger B, Sotlar K, Kraus TFJ. Genome-Wide Methylation Analysis in Two Wild-Type Non-Small Cell Lung Cancer Subgroups with Negative and High PD-L1 Expression. Cancers (Basel) 2024; 16:1841. [PMID: 38791918 PMCID: PMC11119885 DOI: 10.3390/cancers16101841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 04/25/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024] Open
Abstract
We conducted a pilot study to analyze the differential methylation status of 20 primary acinar adenocarcinomas of the lungs. These adenocarcinomas had to be wild type in mutation analysis and had either high (TPS > 50%; n = 10) or negative (TPS < 1%; n = 10) PD-L1 status to be integrated into our study. To examine the methylation of 866,895 specific sites, we utilized the Illumina Infinium EPIC bead chip array. Both hypermethylation and hypomethylation play significant roles in tumor development, progression, and metastasis. They also impact the formation of the tumor microenvironment, which plays a decisive role in tumor differentiation, epigenetics, dissemination, and immune evasion. The gained methylation patterns were correlated with PD-L1 expression. Our analysis has identified distinct methylation patterns in lung adenocarcinomas with high and negative PD-L1 expression. After analyzing the correlation between the methylation results of genes and promoters with their pathobiology, we found that tumors with high expression of PD-L1 tend to exhibit oncogenic effects through hypermethylation. On the other hand, tumors with negative PD-L1 expression show loss of their suppressor functions through hypomethylation. The suppressor functions of hypermethylated genes and promoters are ineffective compared to simultaneously activated dominant oncogenic mechanisms. The tumor microenvironment supports tumor growth in both groups.
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Affiliation(s)
- Georg Hutarew
- Institute of Pathology, University Hospital Salzburg, Paracelsus Medical University, Müllner Hauptstr. 48, A-5020 Salzburg, Austria; (B.A.-S.); (K.S.); (T.F.J.K.)
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Bhartiya D, Raouf S, Pansare K, Tripathi A, Tripathi A. Initiation of Cancer: The Journey From Mutations in Somatic Cells to Epigenetic Changes in Tissue-resident VSELs. Stem Cell Rev Rep 2024; 20:857-880. [PMID: 38457060 DOI: 10.1007/s12015-024-10694-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/09/2024] [Indexed: 03/09/2024]
Abstract
Multiple theories exist to explain cancer initiation, although a consensus on this is crucial for developing effective therapies. 'Somatic mutation theory' suggests that mutations in somatic cells during DNA repair initiates cancer but this concept has several attached paradoxes. Research efforts to identify quiescent cancer stem cells (CSCs) that survive therapy and result in metastasis and recurrence have remained futile. In solid cancers, CSCs are suggested to appear during epithelial-mesenchymal transition by the dedifferentiation and reprogramming of epithelial cells. Pluripotent and quiescent very small embryonic-like stem cells (VSELs) exist in multiple tissues but remain elusive owing to their small size and scarce nature. VSELs are developmentally connected to primordial germ cells, undergo rare, asymmetrical cell divisions and are responsible for the regular turnover of cells to maintain tissue homeostasis throughout life. VSELs are directly vulnerable to extrinsic endocrine insults because they express gonadal and gonadotropin hormone receptors. VSELs undergo epigenetic changes due to endocrine insults and transform into CSCs. CSCs exhibit genomic instability and develop mutations due to errors during DNA replication while undergoing excessive proliferation and clonal expansion to form spheroids. Thus tissue-resident VSELs offer a connection between extrinsic insults and variations in cancer incidence reported in various body tissues. To conclude, cancer is indeed a stem cell disease with mutations occurring as a consequence. In addition to immunotherapy, targeting mutations, and Lgr5 + organoids for developing new therapeutics, targeting CSCs (epigenetically altered VSELs) by improving their niche and epigenetic status could serve as a promising strategy to treat cancer.
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Affiliation(s)
- Deepa Bhartiya
- Epigeneres Biotech Pvt Ltd, Todi Mill Compound, Senapati Bapat Marg, Lower Parel, 400013, Mumbai, India.
| | | | - Kshama Pansare
- Epigeneres Biotech Pvt Ltd, Todi Mill Compound, Senapati Bapat Marg, Lower Parel, 400013, Mumbai, India
| | - Anish Tripathi
- Epigeneres Biotech Pvt Ltd, Todi Mill Compound, Senapati Bapat Marg, Lower Parel, 400013, Mumbai, India
| | - Ashish Tripathi
- Epigeneres Biotech Pvt Ltd, Todi Mill Compound, Senapati Bapat Marg, Lower Parel, 400013, Mumbai, India
- 23Ikigai Pte Ltd, 30 Cecil Street, #21-08 Prudentsial Tower, Singapore, 049712, Singapore
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Cui X, Lin Q, Chen M, Wang Y, Wang Y, Wang Y, Tao J, Yin H, Zhao T. Long-read sequencing unveils novel somatic variants and methylation patterns in the genetic information system of early lung cancer. Comput Biol Med 2024; 171:108174. [PMID: 38442557 DOI: 10.1016/j.compbiomed.2024.108174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 01/25/2024] [Accepted: 02/18/2024] [Indexed: 03/07/2024]
Abstract
Lung cancer poses a global health challenge, necessitating advanced diagnostics for improved outcomes. Intensive efforts are ongoing to pinpoint early detection biomarkers, such as genomic variations and DNA methylation, to elevate diagnostic precision. We conducted long-read sequencing on cancerous and adjacent non-cancerous tissues from a patient with lung adenocarcinoma. We identified somatic structural variations (SVs) specific to lung cancer by integrating data from various SV calling methods and differentially methylated regions (DMRs) that were distinct between these two tissue samples, revealing a unique methylation pattern associated with lung cancer. This study discovered over 40,000 somatic SVs and over 180,000 DMRs linked to lung cancer. We identified approximately 700 genes of significant relevance through comprehensive analysis, including genes intricately associated with many lung cancers, such as NOTCH1, SMOC2, CSMD2, and others. Furthermore, we observed that somatic SVs and DMRs were substantially enriched in several pathways, such as axon guidance signaling pathways, which suggests a comprehensive multi-omics impact on lung cancer progression across various biological investigation levels. These datasets can potentially serve as biomarkers for early lung cancer detection and may hold significant value in clinical diagnosis and treatment applications.
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Affiliation(s)
- Xinran Cui
- School of Computer Science and Technology, Harbin Institute of Technology, 92 West Da Zhi St, Harbin, Heilongjiang, 150000, China
| | - Qingyan Lin
- Department of Respiratory and Critical Care, Heilongjiang Provincial Hospital, 405 Gorokhovaya Street, Harbin, Heilongjiang, 150000, China
| | - Ming Chen
- Institute of Bioinformatics, Harbin Institute of Technology, 92 West Da Zhi St, Harbin, Heilongjiang, 150000, China
| | - Yidan Wang
- Department of Respiratory and Critical Care, Heilongjiang Provincial Hospital, 405 Gorokhovaya Street, Harbin, Heilongjiang, 150000, China
| | - Yiwen Wang
- Tanwei College, Tsinghua University, Shuangqing Road, Beijing, 100084, China
| | - Yadong Wang
- School of Computer Science and Technology, Harbin Institute of Technology, 92 West Da Zhi St, Harbin, Heilongjiang, 150000, China.
| | - Jiang Tao
- School of Computer Science and Technology, Harbin Institute of Technology, 92 West Da Zhi St, Harbin, Heilongjiang, 150000, China.
| | - Honglei Yin
- Department of Respiratory and Critical Care, Heilongjiang Provincial Hospital, 405 Gorokhovaya Street, Harbin, Heilongjiang, 150000, China.
| | - Tianyi Zhao
- School of Medicine, Harbin Institute of Technology, 92 West Da Zhi St, Harbin, Heilongjiang, 150000, China.
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Shao J, Olsen RJ, Kasparian S, He C, Bernicker EH, Li Z. Cell-Free DNA 5-Hydroxymethylcytosine Signatures for Lung Cancer Prognosis. Cells 2024; 13:298. [PMID: 38391911 PMCID: PMC10886903 DOI: 10.3390/cells13040298] [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: 12/11/2023] [Revised: 02/01/2024] [Accepted: 02/04/2024] [Indexed: 02/24/2024] Open
Abstract
Accurate prognostic markers are essential for guiding effective lung cancer treatment strategies. The level of 5-hydroxymethylcytosine (5hmC) in tissue is independently associated with overall survival (OS) in lung cancer patients. We explored the prognostic value of cell-free DNA (cfDNA) 5hmC through genome-wide analysis of 5hmC in plasma samples from 97 lung cancer patients. In both training and validation sets, we discovered a cfDNA 5hmC signature significantly associated with OS in lung cancer patients. We built a 5hmC prognostic model and calculated the weighted predictive scores (wp-score) for each sample. Low wp-scores were significantly associated with longer OS compared to high wp-scores in the training [median 22.9 versus 8.2 months; p = 1.30 × 10-10; hazard ratio (HR) 0.04; 95% confidence interval (CI), 0.00-0.16] and validation (median 18.8 versus 5.2 months; p = 0.00059; HR 0.22; 95% CI: 0.09-0.57) sets. The 5hmC signature independently predicted prognosis and outperformed age, sex, smoking, and TNM stage for predicting lung cancer outcomes. Our findings reveal critical genes and signaling pathways with aberrant 5hmC levels, enhancing our understanding of lung cancer pathophysiology. The study underscores the potential of cfDNA 5hmC as a superior prognostic tool for guiding more personalized therapeutic strategies for lung cancer patients.
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Affiliation(s)
- Jianming Shao
- Department of Pathology and Genomic Medicine, Houston Methodist Hospital, Houston, TX 77030, USA
- Houston Methodist Research Institute, Houston, TX 77030, USA
| | - Randall J. Olsen
- Department of Pathology and Genomic Medicine, Houston Methodist Hospital, Houston, TX 77030, USA
- Houston Methodist Research Institute, Houston, TX 77030, USA
- Weill Cornell Medical College, New York, NY 10065, USA
| | - Saro Kasparian
- Cancer Center, Houston Methodist Hospital, Houston, TX 77030, USA
- Department of Medical Oncology, City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA
| | - Chuan He
- Department of Chemistry, Department of Biochemistry and Molecular Biology, Institute for Biophysical Dynamics, The University of Chicago, Chicago, IL 60637, USA
- Howard Hughes Medical Institute, The University of Chicago, Chicago, IL 60637, USA
| | | | - Zejuan Li
- Department of Pathology and Genomic Medicine, Houston Methodist Hospital, Houston, TX 77030, USA
- Houston Methodist Research Institute, Houston, TX 77030, USA
- Weill Cornell Medical College, New York, NY 10065, USA
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Pang WG, Ye M, Chen JR, Zhang L, Wang Z. Data mining-based identification of epigenetic signatures with discrimination potential of lung adenocarcinoma and squamous cell carcinoma. Mol Biol Rep 2024; 51:255. [PMID: 38302782 DOI: 10.1007/s11033-024-09216-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 01/05/2024] [Indexed: 02/03/2024]
Abstract
BACKGROUND Mounting evidence suggests that lung adenocarcinoma (LAC) and lung squamous cell carcinoma (LSC) have different biological behaviors and therapeutic regimens in clinical practice. However, limited improvements in molecular differential diagnosis of the two entities have been achieved in recent decades. We aimed to find novel markers that could define non-small cell lung cancer (NSCLC) subtypes. METHODS We first explored publically available databases to search for DNA methylation signatures that enable a precise discrimination of LAC and LSC. Next-generation sequencing (NGS) was then used to analyze the methylation status and sites of candidate genes in LAC/LSC tissue samples, and a quantitative methylation-sensitive PCR (qMS-PCR) assay was conducted to test the performance of the selected maker in tissue samples and bronchoalveolar lavage fluid (BALF) specimens. RESULTS We screened 19 top-ranked methylation loci that are differentially methylated between LAC and LSC. Among these hits, 6 methylation sites are enriched within the PREX1 gene promoter, thus becoming our focus. NGS analysis confirmed markedly higher PREX1 methylation levels in LAC than in LSC and revealed the right sites for detection of PREX1 methylation. Furthermore, PREX1 methylation analysis in lung cancer tissue samples defined 9 of 11 pathologically proven LACs, as well as 12 of 14 LSCs. In addition, ~ 80% LAC BALF samples showed methylated PREX1 compared to substantially lower test positivity (0-9%) of it in LSC and other lung conditions (P < 0.01). CONCLUSION Our pilot study identified a unique epigenetic signature that could effectively distinguish LAC from LSC in various lung samples. It may enhance our in-depth understanding of the biology of lung cancer and pave the way for better accurate diagnosis and treatment stratification in the future.
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Affiliation(s)
- Wen-Guang Pang
- Department of Thoracic Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, 510630, China
- Department of Thoracic Surgery, Jiangmen Central Hospital, Affiliated Jiangmen Hospital of Sun Yat-sen University, Jiangmen, 529030, China
| | - Min Ye
- Department of Thoracic Surgery, Jiangmen Central Hospital, Affiliated Jiangmen Hospital of Sun Yat-sen University, Jiangmen, 529030, China
| | - Jia-Rong Chen
- Department of Oncology, Jiangmen Central Hospital, Affiliated Jiangmen Hospital of Sun Yat-sen University, Jiangmen, 529030, China
| | - Liang Zhang
- Translational Medicine Center, Maternal and Child Health Research Institute, Guangdong Women and Children Hospital, 521 Xingnan Road, Guangzhou, 511400, China.
| | - Zheng Wang
- Department of Thoracic Surgery, The 2nd Clinical Medical College of Jinan University, 1017 Dongmen North Road, Luohu District, Shenzhen, 518020, China.
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Du C, Cai J, Tang J, Chen Y, Díaz-Peña R, Tomita Y, Jassem J, Zhao J, Zheng D, Tu Z. Cell-free DNA methylation profile potential in the diagnosis of lung squamous cell carcinoma. J Thorac Dis 2024; 16:553-563. [PMID: 38410586 PMCID: PMC10894382 DOI: 10.21037/jtd-23-1827] [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: 12/01/2023] [Accepted: 01/17/2024] [Indexed: 02/28/2024]
Abstract
Background Aberrant methylation plays an essential role in early cancer development. In this study, we investigated methylation patterns in lung squamous cell carcinoma (LUSC) and matched non-tumor tissue and plasma samples to evaluate the potential of these patterns in the diagnosis of LUSC. Methods The study group included 49 patients with stage I-III LUSC. We collected resected tumor tissue, paired peritumoral tissue, distant normal tissue, and corresponding plasma samples. A bespoke lung cancer bisulfite sequencing panel was used to profile the methylation level. Another 48 healthy volunteers provided control plasma samples. Results Peritumoral and distant normal tissues presented similar methylation signatures, distinct from those in tumor tissue samples. A comparison of methylation profiles led to the identification of 871 tumor-specific differentially methylated blocks, including 847 hypermethylated and 24 hypomethylated blocks (adjusted P value <0.05). All top-ranked blocks were tumor-related. Tissue samples were analyzed for field cancerization to identify progressively aggravating aberrant methylations during tumor initiation and development. The analysis revealed that 221 blocks presented a stepwise increase in methylation levels, while seven blocks presented a stepwise decrease in methylation pattern as the sampling drew nearer to the tumor. The malignant contaminated ratio (MCR) confirmed the presence of distinct methylation patterns between tumor and peritumoral tissue samples. We then constructed a diagnostic panel using a combined diagnostic score of cell-free DNA (cfDNA) that showed high sensitivity and specificity. The healthy controls had a significantly lower combined diagnostic score (cd-score) than LUSC patients. Additionally, based on the methylation profiles, LUSC could be classified into two subgroups, C1 and C2. The methylation profile of the C2 group was not distinct from the healthy controls, which had a significantly lower cd-score than did the C1 group. Conclusions LUSC-specific methylation patterns could potentially discriminate between peritumoral tissue, distant normal tumor tissue, and tumor tissues. This preliminary study also supported the potential utility of cfDNA methylation analysis in diagnosing LUSC.
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Affiliation(s)
- Chengli Du
- Department of Thoracic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jin Cai
- Special Clinical Lab, The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Jie Tang
- Department of Thoracic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yunhao Chen
- Department of Thoracic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Roberto Díaz-Peña
- Fundación Pública Galega de Medicina Xenómica, SERGAS, Grupo de Medicina Xenómica-USC, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
- Faculty of Health Sciences, Universidad Autónoma de Chile, Talca, Chile
| | - Yusuke Tomita
- Department of Respiratory Medicine, Kumamoto University Hospital, Kumamoto, Japan
| | - Jacek Jassem
- Department of Oncology and Radiotherapy, Faculty of Medicine, Medical University of Gdańsk, Gdańsk, Poland
| | - Jiangang Zhao
- Department of Thoracic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Difang Zheng
- Department of Thoracic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhengliang Tu
- Department of Thoracic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Dwivedi K, Rajpal A, Rajpal S, Kumar V, Agarwal M, Kumar N. Enlightening the path to NSCLC biomarkers: Utilizing the power of XAI-guided deep learning. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2024; 243:107864. [PMID: 37866126 DOI: 10.1016/j.cmpb.2023.107864] [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: 07/29/2023] [Revised: 10/07/2023] [Accepted: 10/11/2023] [Indexed: 10/24/2023]
Abstract
BACKGROUND AND OBJECTIVE The early diagnosis of Non-small cell lung cancer (NSCLC) is of prime importance to improve the patient's survivability and quality of life. Being a heterogeneous disease at the molecular and cellular level, the biomarkers responsible for the heterogeneity aid in distinguishing NSCLC into its prominent subtypes-adenocarcinoma and squamous cell carcinoma. Moreover, if identified, these biomarkers could pave the path to targeted therapy. Through this work, a novel explainable AI (XAI)-guided deep learning framework is proposed that assists in discovering a set of significant NSCLC-relevant biomarkers using methylation data. METHODS The proposed framework is divided into two blocks- the first block combines an autoencoder and a neural network to classify NSCLC instances. The second block utilizes various eXplainable AI (XAI) methods, namely IntegratedGradients, GradientSHAP, and DeepLIFT, to discover a set of seven significant biomarkers. RESULTS The classification performance of the biomarkers discovered using the proposed framework is evaluated by employing multiple machine learning algorithms, among which the Multilayer Perceptron (MLP) algorithm-based model outperforms others, yielding a 10-fold cross-validation accuracy of 91.53%. An improved accuracy of 96.37% is achieved by integrating RNA-Seq, CNV, and methylation data. On performing statistical analysis using the Friedman and Nemenyi tests, the MLP model is found to be significantly better than other machine learning-based models. Further, the clinical efficacy of the resultant biomarkers is established based on their potential druggability, the likelihood of predicting NSCLC patients' survival, gene-disease association, and biological pathways targeted by them. While the biomarkers C18orf18, CCNT2, THOP1, and TNPO2, are found potentially druggable, the biomarkers CCDC15, SNORA9, THOP1, and TNPO2 are found prognostically relevant. On further analysis, some of the discovered biomarkers are found to be associated with around 104 diseases. Moreover, five KEGG, ten Reactome, and three Wiki pathways are found to be triggered by the biomarkers discovered. CONCLUSION In summary, the proposed framework uncovers a set of clinically effective biomarkers that accurately classify NSCLC. As a future course of work, efforts would be made to combine a variety of omics data with histopathological data to unveil more precise biomarkers for devising personalized therapy.
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Affiliation(s)
- Kountay Dwivedi
- Department of Computer Science, University of Delhi, Delhi, India.
| | - Ankit Rajpal
- Department of Computer Science, University of Delhi, Delhi, India.
| | - Sheetal Rajpal
- Department of Computer Science, Dyal Singh College, Delhi, India.
| | - Virendra Kumar
- Department of Nuclear Magnetic Resonance, All India Institute of Medical Sciences, New Delhi, India.
| | - Manoj Agarwal
- Department of Computer Science, Hans Raj College, University of Delhi, Delhi, India.
| | - Naveen Kumar
- Department of Computer Science, University of Delhi, Delhi, India.
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Shi Q, Zheng X, Hu Y, Zhou Z, Fang M, Huang X. Methylation of hypoxia-inducible factor 3 subunit alpha contributes to poor prognosis in lung adenocarcinoma. J Appl Genet 2023; 64:769-777. [PMID: 37707680 DOI: 10.1007/s13353-023-00784-6] [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: 06/13/2023] [Revised: 08/27/2023] [Accepted: 08/29/2023] [Indexed: 09/15/2023]
Abstract
Hypoxia-inducible factor 3 subunit alpha (HIF3A) has been implicated in various types of cancers, while its precise role in the lung adenocarcinoma remains unclear. Our study aimed to investigate the roles of HIF3A in lung adenocarcinoma and its regulation by DNA methylation. We utilized bioinformatic tools, including UALCAN and KMPlot, to analyze the relationship between HIF3A expression, DNA methylation, and patient survival rate in lung adenocarcinoma. We also used siRNA-mediated knockdown of HIF3A and DNA-methyltransferase 1 (DNMT1), as well as the treatment of DNA methylation inhibitor 5-Azacytidine, in A549 and H1299 lung adenocarcinoma cell lines. qPCR, MTT, and cell counting assays were performed to evaluate the mRNA expression and cell viability. The bioinformatic analysis revealed that HIF3A expression was downregulated and its methylation was upregulated in lung tumor tissues. Additionally, Kaplan-Meier analysis indicated a correlation between low HIF3A expression and patient poor survival rate. We found that DNMT1 regulated HIF3A methylation. Knockdown of HIF3A promoted cancer cell proliferation. These data suggest that downregulation of HIF3A promotes tumor cell proliferation, and support that HIF3A methylation may serve as a prognostic factor for lung adenocarcinoma.
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Affiliation(s)
- Qin Shi
- Oncology Department, Fujian Fuzhou Pulmonary Hospital, No.2 Shangdu Hubian, Cangshan District, Fuzhou, 350000, Fujian, China.
| | - Xiuxia Zheng
- Oncology Department, Fujian Fuzhou Pulmonary Hospital, No.2 Shangdu Hubian, Cangshan District, Fuzhou, 350000, Fujian, China
| | - Ying Hu
- Oncology Department, Fujian Fuzhou Pulmonary Hospital, No.2 Shangdu Hubian, Cangshan District, Fuzhou, 350000, Fujian, China
| | - Zhan Zhou
- Oncology Department, Fujian Fuzhou Pulmonary Hospital, No.2 Shangdu Hubian, Cangshan District, Fuzhou, 350000, Fujian, China
| | - Minshan Fang
- Oncology Department, Fujian Fuzhou Pulmonary Hospital, No.2 Shangdu Hubian, Cangshan District, Fuzhou, 350000, Fujian, China
| | - Xinhui Huang
- Oncology Department, Fujian Fuzhou Pulmonary Hospital, No.2 Shangdu Hubian, Cangshan District, Fuzhou, 350000, Fujian, China
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Otálora-Otálora BA, López-Rivera JJ, Aristizábal-Guzmán C, Isaza-Ruget MA, Álvarez-Moreno CA. Host Transcriptional Regulatory Genes and Microbiome Networks Crosstalk through Immune Receptors Establishing Normal and Tumor Multiomics Metafirm of the Oral-Gut-Lung Axis. Int J Mol Sci 2023; 24:16638. [PMID: 38068961 PMCID: PMC10706695 DOI: 10.3390/ijms242316638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 11/13/2023] [Accepted: 11/18/2023] [Indexed: 12/18/2023] Open
Abstract
The microbiome has shown a correlation with the diet and lifestyle of each population in health and disease, the ability to communicate at the cellular level with the host through innate and adaptative immune receptors, and therefore an important role in modulating inflammatory process related to the establishment and progression of cancer. The oral cavity is one of the most important interaction windows between the human body and the environment, allowing the entry of an important number of microorganisms and their passage across the gastrointestinal tract and lungs. In this review, the contribution of the microbiome network to the establishment of systemic diseases like cancer is analyzed through their synergistic interactions and bidirectional crosstalk in the oral-gut-lung axis as well as its communication with the host cells. Moreover, the impact of the characteristic microbiota of each population in the formation of the multiomics molecular metafirm of the oral-gut-lung axis is also analyzed through state-of-the-art sequencing techniques, which allow a global study of the molecular processes involved of the flow of the microbiota environmental signals through cancer-related cells and its relationship with the establishment of the transcription factor network responsible for the control of regulatory processes involved with tumorigenesis.
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Affiliation(s)
| | - Juan Javier López-Rivera
- Grupo de Investigación INPAC, Specialized Laboratory, Clinica Universitaria Colombia, Clínica Colsanitas S.A., Bogotá 111321, Colombia;
| | - Claudia Aristizábal-Guzmán
- Grupo de Investigación INPAC, Unidad de Investigación, Fundación Universitaria Sanitas, Bogotá 110131, Colombia;
| | - Mario Arturo Isaza-Ruget
- Keralty, Sanitas International Organization, Grupo de Investigación INPAC, Fundación Universitaria Sanitas, Bogotá 110131, Colombia;
| | - Carlos Arturo Álvarez-Moreno
- Infectious Diseases Department, Clinica Universitaria Colombia, Clínica Colsanitas S.A., Bogotá 111321, Colombia;
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Munteanu R, Tomuleasa C, Iuga CA, Gulei D, Ciuleanu TE. Exploring Therapeutic Avenues in Lung Cancer: The Epigenetic Perspective. Cancers (Basel) 2023; 15:5394. [PMID: 38001653 PMCID: PMC10670535 DOI: 10.3390/cancers15225394] [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: 10/03/2023] [Revised: 11/06/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023] Open
Abstract
Lung cancer, primarily non-small cell lung carcinoma (NSCLC) and small cell lung carcinoma (SCLC), is distinguished by its high prevalence and marked mortality rates. Traditional therapeutic approaches, encompassing chemotherapy, radiation, and targeted therapies, frequently show limited efficacy due to acquired resistance and notable side effects. The objective of this review is to introduce a fresh perspective on the therapeutic strategies for lung cancer, emphasizing interventions targeting the epigenetic alterations often seen in this malignancy. This review presents the most recent advancements in the field, focusing on both past and current clinical trials related to the modulation of methylation patterns using diverse molecular agents. Furthermore, an in-depth analysis of the challenges and advantages of these methylation-modifying drugs will be provided, assessing their efficacy as individual treatments and their potential for synergy when integrated with prevailing therapeutic regimens.
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Affiliation(s)
- Raluca Munteanu
- Medfuture Research Center for Advanced Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400347 Cluj-Napoca, Romania; (R.M.); (C.T.)
- Academy of Romanian Scientists, Ilfov 3, 050044 Bucharest, Romania
| | - Ciprian Tomuleasa
- Medfuture Research Center for Advanced Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400347 Cluj-Napoca, Romania; (R.M.); (C.T.)
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
- Department of Hematology, Ion Chiricuta Clinical Cancer Center, 400124 Cluj-Napoca, Romania
| | - Cristina-Adela Iuga
- Department of Proteomics and Metabolomics, Research Center for Advanced Medicine–MEDFUTURE, “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Louis Pasteur Street 6, 400349 Cluj-Napoca, Romania;
- Department of Pharmaceutical Analysis, Faculty of Pharmacy, “Iuliu Hatieganu” University of Medicine and Pharmacy, Louis Pasteur Street 6, 400349 Cluj-Napoca, Romania
| | - Diana Gulei
- Medfuture Research Center for Advanced Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400347 Cluj-Napoca, Romania; (R.M.); (C.T.)
| | - Tudor Eliade Ciuleanu
- Department of Oncology, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
- Department of Oncology, Prof. Dr. Ion Chiricuta Oncology Institute, 400015 Cluj-Napoca, Romania
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Xu B, Zhang J, Chen W, Cai W. Exploring the methylation status of CFTR and PKIA genes as potential biomarkers for lung adenocarcinoma. Orphanet J Rare Dis 2023; 18:246. [PMID: 37644544 PMCID: PMC10466921 DOI: 10.1186/s13023-023-02807-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 07/06/2023] [Indexed: 08/31/2023] Open
Abstract
BACKGROUND One of the most prevalent cancers in the world is lung cancer, with adenocarcinoma (LUAD) making up a significant portion of cases. According to the National Cancer Institute (NCI), there are new cases and fatality rates per 100,000 individuals as follows: New instances of lung and bronchial cancer occur annually at a rate of 50.0 per 100,000 persons. The yearly death rate for men and women is 35.0 per 100,000. DNA methylation is one of the earliest discovered and widely studied epigenetic regulatory mechanisms, and its abnormality is closely related to the occurrence and development of cancer. However, the prognostic value of DNA methylation and LUAD needs to be further explored to improve the survival prediction of LUAD patients. METHODS The transcriptome data and clinical data of LUAD were downloaded from TCGA and GEO databases, and the Illumina Human Methylation450 array (450k array) data were downloaded from the TCGA database. Firstly, the intersection of the expressed genes of the two databases is corrected, the differential analysis is performed, and the methylation data is evaluated by the MethylMix package to obtain differentially methylated genes. Independent prognostic genes were screened out using univariate and multivariate Cox regression analysis, and a methylation prognostic model was developed using univariate Cox analysis and validated with the GSE30219 dataset in the GEO database. Survival analysis between methylation high-risk and low-risk groups was performed and a methylation-based gene prognostic model was constructed. Finally, the prediction of potential drugs associated with the LUAD gene signature using Drug Sensitivity Genomics in Cancer (GDSC). RESULTS In this study, a total of 555 samples from the TCGA database and 307 samples from GSE30219 were included, and a total of 24 differential methylation driver genes were identified. Univariate and multivariate Cox regression analyzes were used to screen out independent prognostic genes, involving 2 genes: CFTR, PKIA. Survival analysis was different between the methylation high-risk group and the low-risk group, the CFTR high methylation group and the low methylation group were poor, and the opposite was true for PKIA. CONCLUSIONS Our study revealed that the methylation status of CFTR and PKIA can serve as potential prognostic biomarkers and therapeutic targets in lung cancer.
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Affiliation(s)
- Bowen Xu
- Xuzhou Central Hospital, Xuzhou, Jiangsu, 221000, China
- The 2nd Medical College of Binzhou Medical University, Yantai, Shandong, 264000, China
| | - Jingang Zhang
- Weihai Second Hospital affiliated to Qingdao University, Weihai, Shandong, 264200, China
| | - Weigang Chen
- Xuzhou Central Hospital, Xuzhou, Jiangsu, 221000, China.
| | - Wei Cai
- Xuzhou Central Hospital, Xuzhou, Jiangsu, 221000, China.
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12
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Ghemrawi R, Al Qassem A, Ramadan A, Aldulaymi R, Sammani N, K Mousa W, Khair M. DNA and protein methyltransferases inhibition by adenosine dialdehyde reduces the proliferation and migration of breast and lung cancer cells by downregulating autophagy. PLoS One 2023; 18:e0288791. [PMID: 37506102 PMCID: PMC10381035 DOI: 10.1371/journal.pone.0288791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 07/03/2023] [Indexed: 07/30/2023] Open
Abstract
Protein and DNA methylation is involved in various biological functions such as signal transmission, DNA repair, and gene expression. Abnormal regulation of methyltransferases has been linked to multiple types of cancer, but its link to autophagy and carcinogenesis in breast and lung cancer is not fully understood. We utilized UALCAN, a web tool, to investigate breast and lung cancer database from The Cancer Genome Atlas. We found that 17 methyltransferases are upregulated in breast and/or lung cancer. We investigated the effect of methylation inhibition on two breast cancer cell lines (MDA-MB-231 and MCF-7) and two lung cancer cell lines (H292 and A549) by treating them with the indirect methyltransferase inhibitor adenosine dialdehyde (AdOx). We found that the migration ability of all cell lines was decreased, and the growth rate of MDA-MB-231, MCF-7 and H292 was also decreased after AdOx treatment. These results were correlated with an inhibition of the autophagy in MDA-MB-231, MCF-7 and H292 cell lines, since AdOx treatment induced a decreased expression of ATG7, a reduced ratio LC3-II/LC3-I and an increased p62 level. These findings suggest that inhibiting cells' methylation ability could be a potential target for breast and lung cancer treatment.
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Affiliation(s)
- Rose Ghemrawi
- College of Pharmacy, Al Ain University, Abu Dhabi, United Arab Emirates
- AAU Health and Biomedical Research Center, Al Ain University, Abu Dhabi, United Arab Emirates
| | - Aya Al Qassem
- College of Pharmacy, Al Ain University, Abu Dhabi, United Arab Emirates
- AAU Health and Biomedical Research Center, Al Ain University, Abu Dhabi, United Arab Emirates
| | - Azza Ramadan
- College of Pharmacy, Al Ain University, Abu Dhabi, United Arab Emirates
- AAU Health and Biomedical Research Center, Al Ain University, Abu Dhabi, United Arab Emirates
| | - Raghad Aldulaymi
- AAU Health and Biomedical Research Center, Al Ain University, Abu Dhabi, United Arab Emirates
| | - Nour Sammani
- College of Pharmacy, Al Ain University, Abu Dhabi, United Arab Emirates
- AAU Health and Biomedical Research Center, Al Ain University, Abu Dhabi, United Arab Emirates
| | - Walaa K Mousa
- College of Pharmacy, Al Ain University, Abu Dhabi, United Arab Emirates
- AAU Health and Biomedical Research Center, Al Ain University, Abu Dhabi, United Arab Emirates
- College of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Mostafa Khair
- Core Technology Platforms, New York University Abu Dhabi, Abu Dhabi, United Arab Emirates
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13
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Karabegović I, Maas SCE, Shuai Y, Ikram MA, Stricker B, Aerts J, Brusselle G, Lahousse L, Voortman T, Ghanbari M. Smoking-related dysregulation of plasma circulating microRNAs: the Rotterdam study. Hum Genomics 2023; 17:61. [PMID: 37430296 DOI: 10.1186/s40246-023-00504-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 06/26/2023] [Indexed: 07/12/2023] Open
Abstract
BACKGROUND MicroRNAs (miRNAs) are post-transcriptional regulators of gene expression. Differential miRNA expression, which is widely shown to be associated with the pathogenesis of various diseases, can be influenced by lifestyle factors, including smoking. This study aimed to investigate the plasma miRNA signature of smoking habits, the potential effect of smoking cessation on miRNA levels, and relate the findings with lung cancer incidence. RESULTS A targeted RNA-sequencing approach measured plasma miRNA levels in 2686 participants from the population-based Rotterdam study cohort. The association between cigarette smoking (current versus never) and 591 well-expressed miRNAs was assessed via adjusted linear regression models, identifying 41 smoking-associated miRNAs that passed the Bonferroni-corrected threshold (P < 0.05/591 = 8.46 × 10-5). Moreover, we found 42 miRNAs with a significant association (P < 8.46 × 10-5) between current (reference group) and former smokers. Then, we used adjusted linear regression models to explore the effect of smoking cessation time on miRNA expression levels. The expression levels of two miRNAs were significantly different within 5 years of cessation (P < 0.05/41 = 1.22 × 10-3) from current smokers, while for cessation time between 5 and 15 years we found 19 miRNAs to be significantly different from current smokers, and finally, 38 miRNAs were significantly different after more than 15 years of cessation time (P < 1.22 × 10-3). These results imply the reversibility of the smoking effect on plasma levels of at least 38 out of the 41 smoking-miRNAs following smoking cessation. Next, we found 8 out of the 41 smoking-related miRNAs to be nominally associated (P < 0.05) with the incidence of lung cancer. CONCLUSIONS This study demonstrates smoking-related dysregulation of plasma miRNAs, which might have a potential for reversibility when comparing different smoking cessation groups. The identified miRNAs are involved in several cancer-related pathways and include 8 miRNAs associated with lung cancer incidence. Our results may lay the groundwork for further investigation of miRNAs as potential mechanism linking smoking, gene expression and cancer.
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Affiliation(s)
- Irma Karabegović
- Department of Epidemiology, Erasmus MC University Medical Center, Dr Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands
| | - Silvana C E Maas
- Department of Epidemiology, Erasmus MC University Medical Center, Dr Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands
- Vall d'Hebron Institute of Oncology (VHIO), 08035, Barcelona, Spain
| | - Yu Shuai
- Department of Epidemiology, Erasmus MC University Medical Center, Dr Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands
| | - M Arfan Ikram
- Department of Epidemiology, Erasmus MC University Medical Center, Dr Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands
| | - Bruno Stricker
- Department of Epidemiology, Erasmus MC University Medical Center, Dr Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands
| | - Joachim Aerts
- Department of Pulmonary Medicine, Erasmus MC University Medical Center, Dr. Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands
| | - Guy Brusselle
- Department of Respiratory Medicine, Ghent University Hospital, 9000, Ghent, Belgium
| | - Lies Lahousse
- Department of Bioanalysis, Faculty of Pharmaceutical Sciences, Ghent University, 9000, Ghent, Belgium
| | - Trudy Voortman
- Department of Epidemiology, Erasmus MC University Medical Center, Dr Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands
- Division of Human Nutrition and Health, Wageningen University and Research, 6708 PB, Wageningen, The Netherlands
| | - Mohsen Ghanbari
- Department of Epidemiology, Erasmus MC University Medical Center, Dr Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands.
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14
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Lee JY, Lee SM, Lee WK, Park JY, Kim DS. NAA10 Hypomethylation is associated with particulate matter exposure and worse prognosis for patients with non-small cell lung cancer. Anim Cells Syst (Seoul) 2023; 27:72-82. [PMID: 37033451 PMCID: PMC10075488 DOI: 10.1080/19768354.2023.2189934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 03/03/2023] [Indexed: 04/07/2023] Open
Abstract
Airborne particulate matter (PM) is a major health hazard worldwide and is a key factor in lung cancer, which remains the most common type of malignancy and the leading cause of cancer-related deaths. DNA methylation is a critical mechanism underlying the detrimental effects of PM, however, the molecular link between PM exposure and lung cancer remains to be elucidated. N-α-acetyltransferase 10 (NAA10) is involved in the cell cycle, migration, apoptosis, differentiation, and proliferation. In order to investigate the role of NAA10 in PM-induced pathogenesis processes leading to lung cancer, we determined the expression and methylation of NAA10 in normal human bronchial epithelial (NHBE) cells treated with PM10, PM10-polycyclic aromatic hydrocarbons (PAH), and PM2.5 and evaluated the prognostic value of the NAA10 methylation status in lung cancer patients. Exposure to all PM types significantly increased the expression of NAA10 mRNA and decreased the methylation of the NAA10 promoter in NHBE cells compared with the mock-treated control. NAA10 hypomethylation was observed in 9.3% (13/140) of lung cancer tissue samples and correlated with NAA10 transcriptional upregulation. Univariate and multivariate analyses revealed that NAA10 hypomethylation was associated with decreased survival of patients with lung cancer. Therefore, these results suggest that PM-induced hypomethylation of the NAA10 may play an important role in the pathogenesis of lung cancer and may be used as a potential prognostic biomarker for lung cancer progression. Further studies with large numbers of patients are warranted to confirm our findings.
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Affiliation(s)
- Ji Yun Lee
- Department of Anatomy, BK21 Plus Biomedical Convergence Program, Daegu, Republic of Korea
| | - Su Man Lee
- Department of Graduate School for Biomedical Science & Engineering, Hanyang University, Seoul, Republic of Korea
| | - Won Kee Lee
- Department of Preventive Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Jae Yong Park
- Department of Internal Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Dong Sun Kim
- Department of Anatomy, BK21 Plus Biomedical Convergence Program, Daegu, Republic of Korea
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15
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Boyero L, Noguera-Uclés JF, Castillo-Peña A, Salinas A, Sánchez-Gastaldo A, Alonso M, Benedetti JC, Bernabé-Caro R, Paz-Ares L, Molina-Pinelo S. Aberrant Methylation of the Imprinted C19MC and MIR371-3 Clusters in Patients with Non-Small Cell Lung Cancer. Cancers (Basel) 2023; 15:cancers15051466. [PMID: 36900258 PMCID: PMC10000578 DOI: 10.3390/cancers15051466] [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: 02/02/2023] [Revised: 02/21/2023] [Accepted: 02/23/2023] [Indexed: 03/02/2023] Open
Abstract
Epigenetic mechanisms have emerged as an important contributor to tumor development through the modulation of gene expression. Our objective was to identify the methylation profile of the imprinted C19MC and MIR371-3 clusters in patients with non-small cell lung cancer (NSCLC) and to find their potential target genes, as well as to study their prognostic role. DNA methylation status was analyzed in a NSCLC patient cohort (n = 47) and compared with a control cohort including COPD patients and non-COPD subjects (n = 23) using the Illumina Infinium Human Methylation 450 BeadChip. Hypomethylation of miRNAs located on chromosome 19q13.42 was found to be specific for tumor tissue. We then identified the target mRNA-miRNA regulatory network for the components of the C19MC and MIR371-3 clusters using the miRTargetLink 2.0 Human tool. The correlations of miRNA-target mRNA expression from primary lung tumors were analyzed using the CancerMIRNome tool. From those negative correlations identified, we found that a lower expression of 5 of the target genes (FOXF2, KLF13, MICA, TCEAL1 and TGFBR2) was significantly associated with poor overall survival. Taken together, this study demonstrates that the imprinted C19MC and MIR371-3 miRNA clusters undergo polycistronic epigenetic regulation leading to deregulation of important and common target genes with potential prognostic value in lung cancer.
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Affiliation(s)
- Laura Boyero
- Institute of Biomedicine of Seville (IBiS), HUVR, CSIC, Universidad de Sevilla, 41013 Seville, Spain
| | | | - Alejandro Castillo-Peña
- Institute of Biomedicine of Seville (IBiS), HUVR, CSIC, Universidad de Sevilla, 41013 Seville, Spain
| | - Ana Salinas
- Institute of Biomedicine of Seville (IBiS), HUVR, CSIC, Universidad de Sevilla, 41013 Seville, Spain
| | - Amparo Sánchez-Gastaldo
- Institute of Biomedicine of Seville (IBiS), HUVR, CSIC, Universidad de Sevilla, 41013 Seville, Spain
- Medical Oncology Department, Hospital Universitario Virgen del Rocío, 41013 Seville, Spain
| | - Miriam Alonso
- Institute of Biomedicine of Seville (IBiS), HUVR, CSIC, Universidad de Sevilla, 41013 Seville, Spain
- Medical Oncology Department, Hospital Universitario Virgen del Rocío, 41013 Seville, Spain
| | - Johana Cristina Benedetti
- Institute of Biomedicine of Seville (IBiS), HUVR, CSIC, Universidad de Sevilla, 41013 Seville, Spain
- Medical Oncology Department, Hospital Universitario Virgen del Rocío, 41013 Seville, Spain
| | - Reyes Bernabé-Caro
- Institute of Biomedicine of Seville (IBiS), HUVR, CSIC, Universidad de Sevilla, 41013 Seville, Spain
- Medical Oncology Department, Hospital Universitario Virgen del Rocío, 41013 Seville, Spain
| | - Luis Paz-Ares
- H12O Lung Cancer Clinical Research Unit, Health Research Institute Hospital 12 de Octubre (imas12), 28029 Madrid, Spain
- Spanish Center for Biomedical Research Network in Oncology (CIBERONC), 28029 Madrid, Spain
- Spanish National Cancer Research Center (CNIO), 28029 Madrid, Spain
- MD Anderson, 28033 Madrid, Spain
| | - Sonia Molina-Pinelo
- Institute of Biomedicine of Seville (IBiS), HUVR, CSIC, Universidad de Sevilla, 41013 Seville, Spain
- Spanish Center for Biomedical Research Network in Oncology (CIBERONC), 28029 Madrid, Spain
- Correspondence:
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16
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Coppedè F. Genes and the Environment in Cancer: Focus on Environmentally Induced DNA Methylation Changes. Cancers (Basel) 2023; 15:cancers15041019. [PMID: 36831363 PMCID: PMC9953779 DOI: 10.3390/cancers15041019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 01/31/2023] [Accepted: 02/02/2023] [Indexed: 02/09/2023] Open
Abstract
Cancer has traditionally been viewed as a genetic disorder resulting from the accumulation of gene mutations, chromosomal rearrangements, and aneuploidies in somatic cells [...].
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Affiliation(s)
- Fabio Coppedè
- Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, 56126 Pisa, Italy; ; Tel.: +39-050-2218544
- Interdepartmental Research Center of Biology and Pathology of Aging, University of Pisa, 56126 Pisa, Italy
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17
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Elkhalifa AME, Nabi SU, Shah OS, Bashir SM, Muzaffer U, Ali SI, Wani IA, Alzerwi NAN, Elderdery AY, Alanazi A, Alenazy FO, Alharbi AHA. Insight into Oncogenic Viral Pathways as Drivers of Viral Cancers: Implication for Effective Therapy. Curr Oncol 2023; 30:1924-1944. [PMID: 36826111 PMCID: PMC9955780 DOI: 10.3390/curroncol30020150] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/01/2023] [Accepted: 02/02/2023] [Indexed: 02/09/2023] Open
Abstract
As per a recent study conducted by the WHO, 15.4% of all cancers are caused by infectious agents of various categories, and more than 10% of them are attributed to viruses. The emergence of COVID-19 has once again diverted the scientific community's attention toward viral diseases. Some researchers have postulated that SARS-CoV-2 will add its name to the growing list of oncogenic viruses in the long run. However, owing to the complexities in carcinogenesis of viral origin, researchers across the world are struggling to identify the common thread that runs across different oncogenic viruses. Classical pathways of viral oncogenesis have identified oncogenic mediators in oncogenic viruses, but these mediators have been reported to act on diverse cellular and multiple omics pathways. In addition to viral mediators of carcinogenesis, researchers have identified various host factors responsible for viral carcinogenesis. Henceforth owing to viral and host complexities in viral carcinogenesis, a singular mechanistic pathway remains yet to be established; hence there is an urgent need to integrate concepts from system biology, cancer microenvironment, evolutionary perspective, and thermodynamics to understand the role of viruses as drivers of cancer. In the present manuscript, we provide a holistic view of the pathogenic pathways involved in viral oncogenesis with special emphasis on alteration in the tumor microenvironment, genomic alteration, biological entropy, evolutionary selection, and host determinants involved in the pathogenesis of viral tumor genesis. These concepts can provide important insight into viral cancers, which can have an important implication for developing novel, effective, and personalized therapeutic options for treating viral cancers.
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Affiliation(s)
- Ahmed M. E. Elkhalifa
- Department of Public Health, College of Health Sciences, Saudi Electronic University, Riyadh 11673, Saudi Arabia
- Department of Haematology, Faculty of Medical Laboratory Sciences, University of El Imam El Mahdi, Kosti 1158, Sudan
- Correspondence:
| | - Showkat Ul Nabi
- Large Animal Diagnostic Laboratory, Department of Clinical Veterinary Medicine, Ethics & Jurisprudence, Faculty of Veterinary Sciences and Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences and Technology, Srinagar 190006, Jammu and Kashmir, India
| | - Ovais Shabir Shah
- Department of Sheep Husbandry Kashmir, Government of Jammu and Kashmir, Srinagar 182301, Jammu and Kashmir, India
| | - Showkeen Muzamil Bashir
- Biochemistry & Molecular Biology Lab, Division of Veterinary Biochemistry, Faculty of Veterinary Sciences and Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences and Technology, Srinagar 190006, Jammu and Kashmir, India
| | - Umar Muzaffer
- Department of Medicine, Government Medical College and Associated Hospital, Srinagar 190010, Jammu and Kashmir, India
| | - Sofi Imtiyaz Ali
- Biochemistry & Molecular Biology Lab, Division of Veterinary Biochemistry, Faculty of Veterinary Sciences and Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences and Technology, Srinagar 190006, Jammu and Kashmir, India
| | - Imtiyaz Ahmad Wani
- Clinical Research Laboratory, SKIMS, Srinagar 190011, Jammu and Kashmir, India
| | - Nasser A. N. Alzerwi
- Department of Surgery, College of Medicine, Majmaah University, Ministry of Education, Al Majmaah 11952, Saudi Arabia
| | - Abozer Y. Elderdery
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia
| | - Awadh Alanazi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia
| | - Fawaz O. Alenazy
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia
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18
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Forder A, Zhuang R, Souza VGP, Brockley LJ, Pewarchuk ME, Telkar N, Stewart GL, Benard K, Marshall EA, Reis PP, Lam WL. Mechanisms Contributing to the Comorbidity of COPD and Lung Cancer. Int J Mol Sci 2023; 24:ijms24032859. [PMID: 36769181 PMCID: PMC9918127 DOI: 10.3390/ijms24032859] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/18/2023] [Accepted: 01/22/2023] [Indexed: 02/05/2023] Open
Abstract
Lung cancer and chronic obstructive pulmonary disease (COPD) often co-occur, and individuals with COPD are at a higher risk of developing lung cancer. While the underlying mechanism for this risk is not well understood, its major contributing factors have been proposed to include genomic, immune, and microenvironment dysregulation. Here, we review the evidence and significant studies that explore the mechanisms underlying the heightened lung cancer risk in people with COPD. Genetic and epigenetic changes, as well as the aberrant expression of non-coding RNAs, predispose the lung epithelium to carcinogenesis by altering the expression of cancer- and immune-related genes. Oxidative stress generated by tobacco smoking plays a role in reducing genomic integrity, promoting epithelial-mesenchymal-transition, and generating a chronic inflammatory environment. This leads to abnormal immune responses that promote cancer development, though not all smokers develop lung cancer. Sex differences in the metabolism of tobacco smoke predispose females to developing COPD and accumulating damage from oxidative stress that poses a risk for the development of lung cancer. Dysregulation of the lung microenvironment and microbiome contributes to chronic inflammation, which is observed in COPD and known to facilitate cancer initiation in various tumor types. Further, there is a need to better characterize and identify the proportion of individuals with COPD who are at a high risk for developing lung cancer. We evaluate possible novel and individualized screening strategies, including biomarkers identified in genetic studies and exhaled breath condensate analysis. We also discuss the use of corticosteroids and statins as chemopreventive agents to prevent lung cancer. It is crucial that we optimize the current methods for the early detection and management of lung cancer and COPD in order to improve the health outcomes for a large affected population.
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Affiliation(s)
- Aisling Forder
- British Columbia Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada
- Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Rebecca Zhuang
- British Columbia Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada
- Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Vanessa G P Souza
- British Columbia Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada
- Molecular Oncology Laboratory, Experimental Research Unit, School of Medicine, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil
| | - Liam J Brockley
- British Columbia Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada
- Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Michelle E Pewarchuk
- British Columbia Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada
- Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Nikita Telkar
- British Columbia Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada
- Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
- Department of Medical Genetics, University of British Columbia, Vancouver, BC V6H 3N1, Canada
- British Columbia Children's Hospital Research Institute, Vancouver, BC V5Z 4H4, Canada
| | - Greg L Stewart
- British Columbia Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada
- Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Katya Benard
- British Columbia Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada
| | - Erin A Marshall
- British Columbia Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada
- Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Patricia P Reis
- Molecular Oncology Laboratory, Experimental Research Unit, School of Medicine, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil
| | - Wan L Lam
- British Columbia Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada
- Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
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19
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Gloriane C Luna H, Severino Imasa M, Juat N, Hernandez KV, May Sayo T, Cristal-Luna G, Marie Asur-Galang S, Bellengan M, John Duga K, Brian Buenaobra B, De Los Santos MI, Medina D, Samo J, Minerva Literal V, Andrew Bascos N, Sy-Naval S. Expression landscapes in non-small cell lung cancer shaped by the thyroid transcription factor 1. Lung Cancer 2023; 176:121-131. [PMID: 36634573 DOI: 10.1016/j.lungcan.2022.12.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 12/20/2022] [Accepted: 12/24/2022] [Indexed: 12/28/2022]
Abstract
TTF-1-expressing non-small cell lung cancer (NSCLC) is one of the most prevalent lung cancer types worldwide. However, theparadoxical activity of TTF-1 in both lung carcinogenesis and tumor suppression is believed to be context-dependentwhich calls for a deeper understanding about the pathological expression of TTF-1. In addition, the expression circuitry of TTF-1-target genes in NSCLC has not been well examined which necessitates to revisit the involvement of TTF-1- in a multitude of oncologic pathways. We used RNA-seq and clinical data of patients from The Cancer Genome Atlas (TCGA) and Genotype-Tissue Expression (GTEx), including ChIP-seq data from different NSCLC cell lines, and mapped the proteome of NSCLC tumor. Our analysis showed significant variability in TTF-1 expression among NSCLC,and further clarified that this variability is orchestrated at the transcriptional level. We also found that high TTF-1 expression could negatively influence the survival outcomes of stage 1 LUAD which may be attributed to growth factor receptor-driven activation of mitogenic and angiogenic pathways. Mechanistically, TTF-1 may also control the genes associated with pathways involved in acquired TKI drug resistance or response to immune checkpoint inhibitors. Lastly, proteome-based biomarker discovery in stage 1 LUAD showed that TTF-1 positivity is potentially associated with the upregulation of several oncogenes which includes interferon proteins, MUC1, STAT3, and EIF2AK2. Collectively, this study highlights the potential involvement of TTF-1 in cell proliferation, immune evasion, and angiogenesis in early-stage NSCLC.
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Affiliation(s)
- Herdee Gloriane C Luna
- Department of Internal Medicine, Lung Center of the Philippines, Quezon Ave, Diliman, Quezon City, Metro Manila 1100, Philippines; Department of Internal Medicine, National Kidney and Transplant Institute, East Avenue, Diliman, Quezon City 1101, Philippines.
| | - Marcelo Severino Imasa
- Department of Internal Medicine, Lung Center of the Philippines, Quezon Ave, Diliman, Quezon City, Metro Manila 1100, Philippines
| | - Necy Juat
- Department of Internal Medicine, National Kidney and Transplant Institute, East Avenue, Diliman, Quezon City 1101, Philippines
| | - Katherine V Hernandez
- Department of Internal Medicine, East Avenue Medical Center, East Ave, Diliman, Quezon City, Metro Manila 1100, Philippines
| | - Treah May Sayo
- Department of Internal Pathology, Lung Center of the Philippines, Quezon Ave, Diliman, Quezon City, Metro Manila 1100, Philippines
| | - Gloria Cristal-Luna
- Department of Internal Medicine, National Kidney and Transplant Institute, East Avenue, Diliman, Quezon City 1101, Philippines
| | - Sheena Marie Asur-Galang
- Clinical Proteomics for Cancer Initiative, Department of Science and Technology, Philippine Council for Health Research and Development, Philippines
| | - Mirasol Bellengan
- Clinical Proteomics for Cancer Initiative, Department of Science and Technology, Philippine Council for Health Research and Development, Philippines
| | - Kent John Duga
- Clinical Proteomics for Cancer Initiative, Department of Science and Technology, Philippine Council for Health Research and Development, Philippines
| | - Bien Brian Buenaobra
- Clinical Proteomics for Cancer Initiative, Department of Science and Technology, Philippine Council for Health Research and Development, Philippines
| | - Marvin I De Los Santos
- Clinical Proteomics for Cancer Initiative, Department of Science and Technology, Philippine Council for Health Research and Development, Philippines
| | - Daniel Medina
- Clinical Proteomics for Cancer Initiative, Department of Science and Technology, Philippine Council for Health Research and Development, Philippines
| | - Jamirah Samo
- Clinical Proteomics for Cancer Initiative, Department of Science and Technology, Philippine Council for Health Research and Development, Philippines
| | - Venus Minerva Literal
- Clinical Proteomics for Cancer Initiative, Department of Science and Technology, Philippine Council for Health Research and Development, Philippines
| | - Neil Andrew Bascos
- National Institute of Molecular Biology and Biotechnology, University of the Philippines - Diliman, Diliman, Quezon City, Metro Manila, Philippines; Protein, Proteomics and Metabolomics Facility, Philippine Genome Center, University of the Philippines System, Philippines
| | - Sullian Sy-Naval
- Department of Internal Medicine, Lung Center of the Philippines, Quezon Ave, Diliman, Quezon City, Metro Manila 1100, Philippines
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20
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Wang J, Sun X, Yang Z, Li S, Wang Y, Ren R, Liu Z, Yu D. Epigenetic regulation in premature ovarian failure: A literature review. Front Physiol 2023; 13:998424. [PMID: 36685174 PMCID: PMC9846267 DOI: 10.3389/fphys.2022.998424] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 12/14/2022] [Indexed: 01/05/2023] Open
Abstract
Premature ovarian failure (POF), or premature ovarian insufficiency (POI), is a multifactorial and heterogeneous disease characterized by amenorrhea, decreased estrogen levels and increased female gonadotropin levels. The incidence of POF is increasing annually, and POF has become one of the main causes of infertility in women of childbearing age. The etiology and pathogenesis of POF are complex and have not yet been clearly elucidated. In addition to genetic factors, an increasing number of studies have revealed that epigenetic changes play an important role in the occurrence and development of POF. However, we found that very few papers have summarized epigenetic variations in POF, and a systematic analysis of this topic is therefore necessary. In this article, by reviewing and analyzing the most relevant literature in this research field, we expound on the relationship between DNA methylation, histone modification and non-coding RNA expression and the development of POF. We also analyzed how environmental factors affect POF through epigenetic modulation. Additionally, we discuss potential epigenetic biomarkers and epigenetic treatment targets for POF. We anticipate that our paper may provide new therapeutic clues for improving ovarian function and maintaining fertility in POF patients.
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Affiliation(s)
- Jing Wang
- Department of Reproductive Medicine, Department of Prenatal Diagnosis, Changchun, China
| | | | | | - Sijie Li
- Department of Breast Surgery, Changchun, China
| | - Yufeng Wang
- Public Research Platform, The First Hospital of Jilin University, Jilin, China
| | - Ruoxue Ren
- Public Research Platform, The First Hospital of Jilin University, Jilin, China
| | - Ziyue Liu
- Public Research Platform, The First Hospital of Jilin University, Jilin, China
| | - Dehai Yu
- Public Research Platform, The First Hospital of Jilin University, Jilin, China,*Correspondence: Dehai Yu,
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21
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Jie C, Li R, Cheng Y, Wang Z, Wu Q, Xie C. Prospects and feasibility of synergistic therapy with radiotherapy, immunotherapy, and DNA methyltransferase inhibitors in non-small cell lung cancer. Front Immunol 2023; 14:1122352. [PMID: 36875059 PMCID: PMC9981667 DOI: 10.3389/fimmu.2023.1122352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 02/09/2023] [Indexed: 02/19/2023] Open
Abstract
The morbidity and mortality of lung cancer are increasing, seriously threatening human health and life. Non-small cell lung cancer (NSCLC) has an insidious onset and is not easy to be diagnosed in its early stage. Distant metastasis often occurs and the prognosis is poor. Radiotherapy (RT) combined with immunotherapy, especially with immune checkpoint inhibitors (ICIs), has become the focus of research in NSCLC. The efficacy of immunoradiotherapy (iRT) is promising, but further optimization is necessary. DNA methylation has been involved in immune escape and radioresistance, and becomes a game changer in iRT. In this review, we focused on the regulation of DNA methylation on ICIs treatment resistance and radioresistance in NSCLC and elucidated the potential synergistic effects of DNA methyltransferases inhibitors (DNMTis) with iRT. Taken together, we outlined evidence suggesting that a combination of DNMTis, RT, and immunotherapy could be a promising treatment strategy to improve NSCLC outcomes.
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Affiliation(s)
- Chen Jie
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Rumeng Li
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yajie Cheng
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Zhihao Wang
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Qiuji Wu
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Conghua Xie
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University, Wuhan, China
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22
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Kwon M, Rubio G, Wang H, Riedlinger G, Adem A, Zhong H, Slegowski D, Post-Zwicker L, Chidananda A, Schrump DS, Pine SR, Libutti SK. Smoking-associated Downregulation of FILIP1L Enhances Lung Adenocarcinoma Progression Through Mucin Production, Inflammation, and Fibrosis. CANCER RESEARCH COMMUNICATIONS 2022; 2:1197-1213. [PMID: 36860703 PMCID: PMC9973389 DOI: 10.1158/2767-9764.crc-22-0233] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 07/19/2022] [Accepted: 09/07/2022] [Indexed: 11/16/2022]
Abstract
Lung adenocarcinoma (LUAD) is the major subtype in lung cancer, and cigarette smoking is essentially linked to its pathogenesis. We show that downregulation of Filamin A interacting protein 1-like (FILIP1L) is a driver of LUAD progression. Cigarette smoking causes its downregulation by promoter methylation in LUAD. Loss of FILIP1L increases xenograft growth, and, in lung-specific knockout mice, induces lung adenoma formation and mucin secretion. In syngeneic allograft tumors, reduction of FILIP1L and subsequent increase in its binding partner, prefoldin 1 (PFDN1) increases mucin secretion, proliferation, inflammation, and fibrosis. Importantly, from the RNA-sequencing analysis of these tumors, reduction of FILIP1L is associated with upregulated Wnt/β-catenin signaling, which has been implicated in proliferation of cancer cells as well as inflammation and fibrosis within the tumor microenvironment. Overall, these findings suggest that down-regulation of FILIP1L is clinically relevant in LUAD, and warrant further efforts to evaluate pharmacologic regimens that either directly or indirectly restore FILIP1L-mediated gene regulation for the treatment of these neoplasms. Significance This study identifies FILIP1L as a tumor suppressor in LUADs and demonstrates that downregulation of FILIP1L is a clinically relevant event in the pathogenesis and clinical course of these neoplasms.
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Affiliation(s)
- Mijung Kwon
- Rutgers Cancer Institute of New Jersey, New Brunswick, New Jersey
| | - Genesaret Rubio
- Rutgers Cancer Institute of New Jersey, New Brunswick, New Jersey
| | - Haitao Wang
- Thoracic Surgery Branch, Center for Cancer Research, NCI, Bethesda, Maryland
| | - Gregory Riedlinger
- Department of Pathology, Robert Wood Johnson Medical School, Rutgers University, New Brunswick, New Jersey
| | - Asha Adem
- Rutgers Cancer Institute of New Jersey, New Brunswick, New Jersey
| | - Hua Zhong
- Rutgers Cancer Institute of New Jersey, New Brunswick, New Jersey
| | - Daniel Slegowski
- Rutgers Cancer Institute of New Jersey, New Brunswick, New Jersey
| | | | | | - David S. Schrump
- Thoracic Surgery Branch, Center for Cancer Research, NCI, Bethesda, Maryland
| | - Sharon R. Pine
- Rutgers Cancer Institute of New Jersey, New Brunswick, New Jersey
- Departments of Pharmacology and Medicine, Robert Wood Johnson Medical School, Rutgers University, New Brunswick, New Jersey
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23
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Shi X, Feng T, Xu Y, Wu X, Shao Y, Liang Z. Investigating and modeling the differential DNA methylation for early lung adenocarcinoma diagnosis. Biomark Med 2022; 16:947-958. [PMID: 35950410 DOI: 10.2217/bmm-2022-0240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Background: Aberrant DNA methylations serve as rich sources of diagnostic biomarkers, but a further improvement in their accuracy and clinical utility is warranted. Methods: Large panel bisulfite sequencing were performed on paired normal and stage I/IV tumors from 226 lung adenocarcinoma cancer patients to characterize the differentially methylated regions (DMRs). Results: Random forest model achieved high prediction accuracy (sensitivity 96% and specificity 97.56%) to separate normal controls from both early and advanced cancer samples, which is superior to most previous prediction models tested in lung adenocarcinoma. Conclusion: Our results suggest that combining the random forest model with targeted bisulfite sequencing have great clinical potentials to accurately predict and early diagnose lung adenocarcinoma during cancer screening.
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Affiliation(s)
- Xiaohua Shi
- Department of Pathology, State Key Laboratory of Complex Severe and Rare Disease, Molecular Pathology Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Ting Feng
- Department of Pathology, State Key Laboratory of Complex Severe and Rare Disease, Molecular Pathology Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Yang Xu
- Geneseeq Research Institute, Nanjing Geneseeq Technology Inc., Nanjing, Jiangsu, China
| | - Xue Wu
- Geneseeq Research Institute, Nanjing Geneseeq Technology Inc., Nanjing, Jiangsu, China
| | - Yang Shao
- Geneseeq Research Institute, Nanjing Geneseeq Technology Inc., Nanjing, Jiangsu, China.,School of Public Health, Nanjing Medical University, Nanjing, China
| | - Zhiyong Liang
- Department of Pathology, State Key Laboratory of Complex Severe and Rare Disease, Molecular Pathology Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
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24
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Zhang Y, Li M, Guo Y, Liu S, Tao Y. The Organelle-Specific Regulations and Epigenetic Regulators in Ferroptosis. Front Pharmacol 2022; 13:905501. [PMID: 35784729 PMCID: PMC9247141 DOI: 10.3389/fphar.2022.905501] [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: 03/27/2022] [Accepted: 05/26/2022] [Indexed: 11/13/2022] Open
Abstract
Ferroptosis is fairly different from other types of cell-death in biochemical processes, morphological changes and genetics as a special programmed cell-death. Here we summarize the current literatures on ferroptosis, including the cascade reaction of key material metabolism in the process, dysfunction of organelles, the relationship between different organelles and the way positive and negative key regulatory factors to affect ferroptosis in the epigenetic level. Based on material metabolism or epigenetic regulation, it is obvious that the regulatory network of ferroptosis is interrelated and complex.
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Affiliation(s)
- Yixuan Zhang
- Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Mingrui Li
- Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Yiming Guo
- Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Shuang Liu
- Department of Oncology, Institute of Medical Sciences, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yongguang Tao
- Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
- NHC Key Laboratory of Carcinogenesis, Cancer Research Institute and School of Basic Medicine, Central South University, Changsha, China
- Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Department of Pathology, Xiangya Hospital, School of Basic Medicine, Central South University, Changsha, China
- Hunan Key Laboratory of Early Diagnosis and Precision Therapy in Lung Cancer, Department of Thoracic Surgery, Second Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Yongguang Tao,
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