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Mendes I, Vale N. How Can the Microbiome Induce Carcinogenesis and Modulate Drug Resistance in Cancer Therapy? Int J Mol Sci 2023; 24:11855. [PMID: 37511612 PMCID: PMC10380870 DOI: 10.3390/ijms241411855] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/18/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023] Open
Abstract
Over the years, cancer has been affecting the lives of many people globally and it has become one of the most studied diseases. Despite the efforts to understand the cell mechanisms behind this complex disease, not every patient seems to respond to targeted therapies or immunotherapies. Drug resistance in cancer is one of the limiting factors contributing to unsuccessful therapies; therefore, understanding how cancer cells acquire this resistance is essential to help cure individuals affected by cancer. Recently, the altered microbiome was observed to be an important hallmark of cancer and therefore it represents a promising topic of cancer research. Our review aims to provide a global perspective of some cancer hallmarks, for instance how genetic and epigenetic modifications may be caused by an altered human microbiome. We also provide information on how an altered human microbiome can lead to cancer development as well as how the microbiome can influence drug resistance and ultimately targeted therapies. This may be useful to develop alternatives for cancer treatment, i.e., future personalized medicine that can help in cases where traditional cancer treatment is unsuccessful.
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Affiliation(s)
- Inês Mendes
- OncoPharma Research Group, Center for Health Technology and Services Research (CINTESIS), Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal;
- CINTESIS@RISE, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
- School of Life and Environmental Sciences, University of Trás-os-Montes and Alto Douro (UTAD), Edifício de Geociências, 5000-801 Vila Real, Portugal
| | - Nuno Vale
- OncoPharma Research Group, Center for Health Technology and Services Research (CINTESIS), Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal;
- CINTESIS@RISE, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
- Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS), Faculty of Medicine, University of Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
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Wang G, Yu Y, Wang YZ, Wang JJ, Guan R, Sun Y, Shi F, Gao J, Fu XL. Role of SCFAs in gut microbiome and glycolysis for colorectal cancer therapy. J Cell Physiol 2019; 234:17023-17049. [PMID: 30888065 DOI: 10.1002/jcp.28436] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2018] [Revised: 02/02/2019] [Accepted: 02/14/2019] [Indexed: 12/19/2022]
Abstract
Increased risk of colorectal cancer (CRC) is associated with altered intestinal microbiota as well as short-chain fatty acids (SCFAs) reduction of output The energy source of colon cells relies mainly on three SCFAs, namely butyrate (BT), propionate, and acetate, while CRC transformed cells rely mainly on aerobic glycolysis to provide energy. This review summarizes recent research results for dysregulated glucose metabolism of SCFAs, which could be initiated by gut microbiome of CRC. Moreover, the relationship between SCFA transporters and glycolysis, which may correlate with the initiation and progression of CRC, are also discussed. Additionally, this review explores the linkage of BT to transport of SCFAs expressions between normal and cancerous colonocyte cell growth for tumorigenesis inhibition in CRC. Furthermore, the link between gut microbiota and SCFAs in the metabolism of CRC, in addition, the proteins and genes related to SCFAs-mediated signaling pathways, coupled with their correlation with the initiation and progression of CRC are also discussed. Therefore, targeting the SCFA transporters to regulate lactate generation and export of BT, as well as applying SCFAs or gut microbiota and natural compounds for chemoprevention may be clinically useful for CRCs treatment. Future research should focus on the combination these therapeutic agents with metabolic inhibitors to effectively target the tumor SCFAs and regulate the bacterial ecology for activation of potent anticancer effect, which may provide more effective application prospect for CRC therapy.
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Affiliation(s)
- Gang Wang
- Department of Pharmaceutics, Shanghai Eighth People's Hospital, Jiangsu University, Shanghai, China
| | - Yang Yu
- Department of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Yu-Zhu Wang
- Department of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Jun-Jie Wang
- Department of Pharmaceutics, Shanghai Eighth People's Hospital, Jiangsu University, Shanghai, China
| | - Rui Guan
- Information Resources Department, Hubei University of Medicine, Shiyan, Hubei, China
| | - Yan Sun
- Information Resources Department, Hubei University of Medicine, Shiyan, Hubei, China
| | - Feng Shi
- Department of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Jing Gao
- Department of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Xing-Li Fu
- Department of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
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Farhana L, Banerjee HN, Verma M, Majumdar APN. Role of Microbiome in Carcinogenesis Process and Epigenetic Regulation of Colorectal Cancer. Methods Mol Biol 2018; 1856:35-55. [PMID: 30178245 DOI: 10.1007/978-1-4939-8751-1_3] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Epigenetic changes during the development of colorectal cancer (CRC) play a significant role. Along with factors such as diet, lifestyle, and genetics, oncogenic infection, bacteria alone or whole microbiome, has been associated with this tumor type. How gut microbiome contributes to CRC pathogenesis in the host is not fully understood. Most of the epigenetic studies in CRC have been conducted in populations infected with Helicobacter pylori. In the current review, we summarize how the gut microbiota contributes in colon carcinogenesis and the potential role of epigenetic mechanism in gene regulation. We discuss microbiota-mediated initiation and progression of colon tumorigenesis and have also touched upon the role of microbial metabolites as an initiator or an inhibitor for procarcinogenic or antioncogenic activities. The hypothesis of gut microbiota associated CRC revealed the dynamic and complexity of microbial interaction in initiating the development of CRC. In the multifaceted processes of colonic carcinogenesis, gradual alteration of microbiota along with their microenvironment and the potential oncopathogenic microbes mediated modulation of cancer therapy and other factors involved in microbiome dysbiosis leading to the CRC have also been discussed. This review provides a comprehensive summary of the mechanisms of CRC development, the role of microbiome or single bacterial infection in regulating the processes of carcinogenesis, and the intervention by novel therapeutics. Epigenetic mechanism involved in CRC is also discussed.
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Affiliation(s)
- Lulu Farhana
- Veterans Affairs Medical Center, Research Service, Detroit, MI, USA
- Department of Internal Medicine, Wayne State University, Detroit, MI, USA
| | | | - Mukesh Verma
- Epidemiology and Genomics Research Program, National Cancer Institute, Rockville, MD, USA
| | - Adhip P N Majumdar
- Veterans Affairs Medical Center, Research Service, Detroit, MI, USA.
- Department of Internal Medicine, Wayne State University, Detroit, MI, USA.
- Karmanos Cancer Institute, Wayne State University-School of Medicine, Detroit, MI, USA.
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Nuclear imaging in three dimensions: A unique tool in cancer research. Ann Anat 2010; 192:292-301. [DOI: 10.1016/j.aanat.2010.07.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2010] [Accepted: 07/18/2010] [Indexed: 11/19/2022]
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Liu H, Huang J, Wang J, Jiang S, Bailey AS, Goldman DC, Welcker M, Bedell V, Slovak ML, Clurman B, Thayer M, Fleming WH, Epner E. Transvection mediated by the translocated cyclin D1 locus in mantle cell lymphoma. ACTA ACUST UNITED AC 2008; 205:1843-58. [PMID: 18625744 PMCID: PMC2525596 DOI: 10.1084/jem.20072102] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
In mantle cell lymphoma (MCL) and some cases of multiple myeloma (MM), cyclin D1 expression is deregulated by chromosome translocations involving the immunoglobulin heavy chain (IgH) locus. To evaluate the mechanisms responsible, gene targeting was used to study long-distance gene regulation. Remarkably, these targeted cell lines lost the translocated chromosome (t(11;14)). In these MCL and MM cells, the nonrearranged cyclin D1 (CCND1) locus reverts from CpG hypomethylated to hypermethylated. Reintroduction of the translocated chromosome induced a loss of methylation at the unrearranged CCND1 locus, providing evidence of a transallelic regulatory effect. In these cell lines and primary MCL patient samples, the CCND1 loci are packaged in chromatin-containing CCCTC binding factor (CTCF) and nucleophosmin (NPM) at the nucleolus. We show that CTCF and NPM are bound at the IgH 3′ regulatory elements only in the t(11;14) MCL cell lines. Furthermore, NPM short hairpin RNA produces a specific growth arrest in these cells. Our data demonstrate transvection in human cancer and suggest a functional role for CTCF and NPM.
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Affiliation(s)
- Hui Liu
- Center for Hematologic Malignancies, Oregon Cancer Institute, Portland, OR 97239, USA
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Abstract
There are three connected molecular mechanisms of epigenetic cellular memory in mammalian cells: DNA methylation, histone modifications, and RNA interference. The first two have now been firmly linked to neoplastic transformation. Hypermethylation of CpG-rich promoters triggers local histone code modifications resulting in a cellular camouflage mechanism that sequesters gene promoters away from transcription factors and results in stable silencing. This normally restricted mechanism is ubiquitously used in cancer to silence hundreds of genes, among which some critically contribute to the neoplastic phenotype. Virtually every pathway important to cancer formation is affected by this process. Methylation profiling of human cancers reveals tissue-specific epigenetic signatures, as well as tumor-specific signatures, reflecting in particular the presence of epigenetic instability in a subset of cancers affected by the CpG island methylator phenotype. Generally, methylation patterns can be traced to a tissue-specific, proliferation-dependent accumulation of aberrant promoter methylation in aging tissues, a process that can be accelerated by chronic inflammation and less well-defined mechanisms including, possibly, diet and genetic predisposition. The epigenetic machinery can also be altered in cancer by specific lesions in epigenetic effector genes, or by aberrant recruitment of these genes by mutant transcription factors and coactivators. Epigenetic patterns are proving clinically useful in human oncology via risk assessment, early detection, and prognostic classification. Pharmacologic manipulation of these patterns-epigenetic therapy-is also poised to change the way we treat cancer in the clinic.
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Suter CM, Norrie M, Ku SL, Cheong KF, Tomlinson I, Ward RL. CpG island methylation is a common finding in colorectal cancer cell lines. Br J Cancer 2003; 88:413-9. [PMID: 12569385 PMCID: PMC2747532 DOI: 10.1038/sj.bjc.6600699] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Tumour cell lines are commonly used in colorectal cancer (CRC) research, including studies designed to assess methylation defects. Although many of the known genetic aberrations in CRC cell lines have been comprehensively described, no studies have been performed on their methylation status. In this study, 30 commonly used CRC cell lines as well as seven primary tumours from individuals with hereditary nonpolyposis colorectal cancer (HNPCC) were assessed for methylation at six CpG islands known to be hypermethylated in colorectal cancer: hMLH1, p16, methylated in tumour (MINT-)-1, -2, -12 and -31. The cell lines were also assessed for microsatellite instability (MSI), ploidy status, hMLH1 expression, and mutations in APC and Ki-ras. Methylation was frequently observed at all examined loci in most cell lines, and no differences were observed between germline-derived and sporadic cell lines. Methylation was found at MINT 1 in 63%, MINT 2 in 57%, MINT 12 in 71%, MINT 31 in 53%, p16 in 71%, and hMLH1 in 30% of cell lines. Overall only one cell line, SW1417, did not show methylation at any locus. Methylation was found with equal frequency in MSI and chromosomally unstable lines. MSI was over-represented in the cell lines relative to sporadic CRC, being detected in 47% of cell lines. The rate of codon 13 Ki-ras mutations was also over three times that expected from in vivo studies. We conclude that CpG island hypermethylation, whether acquired in vivo or in culture, is a ubiquitous phenomenon in CRC cell lines. We suggest that CRC cell lines may be only representative of a small subset of real tumours, and this should be taken into account in the use of CRC cell lines for epigenetic studies.
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Affiliation(s)
- C M Suter
- Department of Medical Oncology, St Vincent's Hospital, Victoria St, Darlinghurst, NSW 2010, Australia
| | - M Norrie
- Department of Medical Oncology, St Vincent's Hospital, Victoria St, Darlinghurst, NSW 2010, Australia
- School of Medicine, University of New South Wales, Sydney, NSW 2052, Australia
| | - S L Ku
- Department of Medical Oncology, St Vincent's Hospital, Victoria St, Darlinghurst, NSW 2010, Australia
| | - K F Cheong
- Department of Medical Oncology, St Vincent's Hospital, Victoria St, Darlinghurst, NSW 2010, Australia
| | - I Tomlinson
- Molecular and Population Genetics Laboratory, Cancer Research UK, London WC2A 3PX, UK
| | - R L Ward
- Department of Medical Oncology, St Vincent's Hospital, Victoria St, Darlinghurst, NSW 2010, Australia
- School of Medicine, University of New South Wales, Sydney, NSW 2052, Australia
- Department of Medical Oncology, St Vincent's Hospital, Victoria St, Darlinghurst, NSW 2010, Australia. E-mail:
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