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Yamaguchi M. Regucalcin Is a Potential Regulator in Human Cancer: Aiming to Expand into Cancer Therapy. Cancers (Basel) 2023; 15:5489. [PMID: 38001749 PMCID: PMC10670417 DOI: 10.3390/cancers15225489] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 10/24/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
Regucalcin, a calcium-binding protein lacking the EF-hand motif, was initially discovered in 1978. Its name is indicative of its function in calcium signaling regulation. The rgn gene encodes for regucalcin and is situated on the X chromosome in both humans and vertebrates. Regucalcin regulates pivotal enzymes involved in signal transduction and has an inhibitory function, which includes protein kinases, protein phosphatases, cysteinyl protease, nitric oxide dynthetase, aminoacyl-transfer ribonucleic acid (tRNA) synthetase, and protein synthesis. This cytoplasmic protein is transported to the nucleus where it regulates deoxyribonucleic acid and RNA synthesis as well as gene expression. Overexpression of regucalcin inhibits proliferation in both normal and cancer cells in vitro, independent of apoptosis. During liver regeneration in vivo, endogenous regucalcin suppresses cell growth when overexpressed. Regucalcin mRNA and protein expressions are significantly downregulated in tumor tissues of patients with various types of cancers. Patients exhibiting upregulated regucalcin in tumor tissue have shown prolonged survival. The decrease of regucalcin expression is linked to the advancement of cancer. Overexpression of regucalcin carries the potential for preventing and treating carcinogenesis. Additionally, extracellular regucalcin has displayed control over various types of human cancer cells. Regucalcin may hold a prominent role as a regulatory factor in cancer development. Supplying the regucalcin gene could prove to be a valuable asset in cancer treatment. The therapeutic value of regucalcin suggests its potential significance in treating cancer patients. This review delves into the most recent research on the regulatory role of regucalcin in human cancer development, providing a novel approach for treatment.
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Affiliation(s)
- Masayoshi Yamaguchi
- Cancer Biology Program, University of Hawaii Cancer Center, University of Hawaii at Manoa, 701 Ilalo Street, Hawaii, HI 96813, USA
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2
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Islam MS, Gopalan V, Lam AK, Shiddiky MJA. Current advances in detecting genetic and epigenetic biomarkers of colorectal cancer. Biosens Bioelectron 2023; 239:115611. [PMID: 37619478 DOI: 10.1016/j.bios.2023.115611] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 08/07/2023] [Accepted: 08/16/2023] [Indexed: 08/26/2023]
Abstract
Colorectal carcinoma (CRC) is the third most common cancer in terms of diagnosis and the second in terms of mortality. Recent studies have shown that various proteins, extracellular vesicles (i.e., exosomes), specific genetic variants, gene transcripts, cell-free DNA (cfDNA), circulating tumor DNA (ctDNA), microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and altered epigenetic patterns, can be used to detect, and assess the prognosis of CRC. Over the last decade, a plethora of conventional methodologies (e.g., polymerase chain reaction [PCR], direct sequencing, enzyme-linked immunosorbent assay [ELISA], microarray, in situ hybridization) as well as advanced analytical methodologies (e.g., microfluidics, electrochemical biosensors, surface-enhanced Raman spectroscopy [SERS]) have been developed for analyzing genetic and epigenetic biomarkers using both optical and non-optical tools. Despite these methodologies, no gold standard detection method has yet been implemented that can analyze CRC with high specificity and sensitivity in an inexpensive, simple, and time-efficient manner. Moreover, until now, no study has critically reviewed the advantages and limitations of these methodologies. Here, an overview of the most used genetic and epigenetic biomarkers for CRC and their detection methods are discussed. Furthermore, a summary of the major biological, technical, and clinical challenges and advantages/limitations of existing techniques is also presented.
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Affiliation(s)
- Md Sajedul Islam
- Cancer Molecular Pathology, School of Medicine & Dentistry, Griffith University, Gold Coast Campus, Southport, QLD, 4222, Australia; Menzies Health Institute Queensland, Griffith University, Gold Coast, QLD, 4222, Australia
| | - Vinod Gopalan
- Cancer Molecular Pathology, School of Medicine & Dentistry, Griffith University, Gold Coast Campus, Southport, QLD, 4222, Australia; Menzies Health Institute Queensland, Griffith University, Gold Coast, QLD, 4222, Australia.
| | - Alfred K Lam
- Cancer Molecular Pathology, School of Medicine & Dentistry, Griffith University, Gold Coast Campus, Southport, QLD, 4222, Australia; Menzies Health Institute Queensland, Griffith University, Gold Coast, QLD, 4222, Australia; Pathology Queensland, Gold Coast University Hospital, Southport, QLD, 4215, Australia
| | - Muhammad J A Shiddiky
- Rural Health Research Institute, Charles Sturt University, Orange, NSW, 2800, Australia.
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Kumarasamy G, Mohd Salim NH, Mohd Afandi NS, Hazlami Habib MA, Mat Amin ND, Ismail MN, Musa M. Glycoproteomics-based liquid biopsy: translational outlook for colorectal cancer clinical management in Southeast Asia. Future Oncol 2023; 19:2313-2332. [PMID: 37937446 DOI: 10.2217/fon-2023-0704] [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] [Indexed: 11/09/2023] Open
Abstract
Colorectal cancer (CRC) signifies a significant healthcare challenge in Southeast Asia. Despite advancements in screening approaches and treatment modalities, significant medical gaps remain, ranging from prevention and early diagnosis to determining targeted therapy and establishing personalized approaches to managing CRC. There is a need to expand more validated biomarkers in clinical practice. An advanced technique incorporating high-throughput mass spectrometry as a liquid biopsy to unravel a repertoire of glycoproteins and glycans would potentially drive the development of clinical tools for CRC screening, diagnosis and monitoring, and it can be further adapted to the existing standard-of-care procedure. Therefore this review offers a perspective on glycoproteomics-driven liquid biopsy and its potential integration into the clinical care of CRC in the southeast Asia region.
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Affiliation(s)
- Gaayathri Kumarasamy
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Pulau Pinang, 11800, Malaysia
| | - Nurul Hakimah Mohd Salim
- Department of Pathology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, 16150, Malaysia
| | - Nur Syafiqah Mohd Afandi
- Analytical Biochemistry Research Centre, Universiti Sains Malaysia, Bayan Lepas, Pulau Pinang, 11900, Malaysia
| | - Mohd Afiq Hazlami Habib
- Analytical Biochemistry Research Centre, Universiti Sains Malaysia, Bayan Lepas, Pulau Pinang, 11900, Malaysia
| | - Nor Datiakma Mat Amin
- Analytical Biochemistry Research Centre, Universiti Sains Malaysia, Bayan Lepas, Pulau Pinang, 11900, Malaysia
- Nature Products Division, Forest Research Institute Malaysia, Kepong, Selangor, 52109, Malaysia
| | - Mohd Nazri Ismail
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Pulau Pinang, 11800, Malaysia
- Analytical Biochemistry Research Centre, Universiti Sains Malaysia, Bayan Lepas, Pulau Pinang, 11900, Malaysia
| | - Marahaini Musa
- Human Genome Centre, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, 16150, Malaysia
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Mirzapoor Abbasabadi Z, Hamedi Asl D, Rahmani B, Shahbadori R, Karami S, Peymani A, Taghizadeh S, Samiee Rad F. KRAS, NRAS, BRAF, and PIK3CA mutation rates, clinicopathological association, and their prognostic value in Iranian colorectal cancer patients. J Clin Lab Anal 2023; 37:e24868. [PMID: 36930789 PMCID: PMC10098058 DOI: 10.1002/jcla.24868] [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: 12/19/2022] [Revised: 02/13/2023] [Accepted: 03/01/2023] [Indexed: 03/19/2023] Open
Abstract
AIM Mutations in KRAS, NRAS, BRAF, and PIK3CA genes are critical factors in clinical evaluation of colorectal cancer (CRC) development and progression. In Iran, however, the data regarding genetic profile of CRC patients is limited except for KRAS exon2 and BRAF V600F mutations. This study aimed to investigate the mutational spectrum and prognostic effects of these genes and explore the relationship between these mutations and clinicopathological features of CRC. METHOD To achieve these objectives, mutations in KRAS (exons 2, 3, and 4), NRAS (exons 2, 3, and 4), PIK3CA (exons 9 and 20), and BRAF (exon 15) was determined using PCR and pyrosequencing in a total of 151 patients with colorectal cancer. RESULTS KRAS, BRAF, NRAS, and PIK3CA mutations were identified in 41%, 5.96%, 3.97%, and 13.24% of the cases, respectively. There were some significant correlations between clinicopathological features and KRAS, PIK3CA, BRAF, and NRAS mutations. Mutations in KRAS and PIK3CA were shown to be independent risk factors for poor survival of the patients at stage I-IV (p < 0.0001 and p = 0.001, respectively). No significant impact on prognosis was observed in patients with BRAF mutations. CONCLUSION Our study revealed the prevalence of CRC biomarkers mutations in Iranian patients and emphasized the role of KRAS and PIK3CA on shorter overall survival rates in this population.
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Affiliation(s)
- Zohreh Mirzapoor Abbasabadi
- Department of Molecular Medicine, Faculty of Medical Sciences, Qazvin University of Medical Sciences, Qazvin, Iran.,Department of Pathology and Molecular Medicine, Behsotun Lab, Alborz University of Medical Sciences, Karaj, Iran
| | - Dariush Hamedi Asl
- Department of Pathology and Molecular Medicine, Mehr Lab, Alborz University of Medical Sciences, Hashtgerd, Iran
| | - Babak Rahmani
- Department of Molecular Medicine, Faculty of Medical Sciences, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Rozhin Shahbadori
- Department of Pathology and Molecular Medicine, Mehr Lab, Alborz University of Medical Sciences, Hashtgerd, Iran
| | - Sara Karami
- Department of Pathology and Molecular Medicine, Behsotun Lab, Alborz University of Medical Sciences, Karaj, Iran
| | - Amir Peymani
- Medical Microbiology Research Center, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Sara Taghizadeh
- Translational Ophthalmology Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Samiee Rad
- Medical Microbiology Research Center, Qazvin University of Medical Sciences, Qazvin, Iran.,Department of Pathology, Qazvin University of Medical Sciences, Qazvin, Iran
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Urh K, Zidar N, Boštjančič E. Bioinformatics Analysis of RNA-seq Data Reveals Genes Related to Cancer Stem Cells in Colorectal Cancerogenesis. Int J Mol Sci 2022; 23:ijms232113252. [PMID: 36362041 PMCID: PMC9654446 DOI: 10.3390/ijms232113252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/26/2022] [Accepted: 10/28/2022] [Indexed: 11/06/2022] Open
Abstract
Cancer stem cells (CSC) play one of the crucial roles in the pathogenesis of various cancers, including colorectal cancer (CRC). Although great efforts have been made regarding our understanding of the cancerogenesis of CRC, CSC involvement in CRC development is still poorly understood. Using bioinformatics and RNA-seq data of normal mucosa, colorectal adenoma, and carcinoma (n = 106) from GEO and TCGA, we identified candidate CSC genes and analyzed pathway enrichment analysis (PEI) and protein–protein interaction analysis (PPI). Identified CSC-related genes were validated using qPCR and tissue samples from 47 patients with adenoma, adenoma with early carcinoma, and carcinoma without and with lymph node metastasis and were compared to normal mucosa. Six CSC-related genes were identified: ANLN, CDK1, ECT2, PDGFD, TNC, and TNXB. ANLN, CDK1, ECT2, and TNC were differentially expressed between adenoma and adenoma with early carcinoma. TNC was differentially expressed in CRC without lymph node metastases whereas ANLN, CDK1, and PDGFD were differentially expressed in CRC with lymph node metastases compared to normal mucosa. ANLN and PDGFD were differentially expressed between carcinoma without and with lymph node metastasis. Our study identified and validated CSC-related genes that might be involved in early stages of CRC development (ANLN, CDK1, ECT2, TNC) and in development of metastasis (ANLN, PDGFD).
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Mengozzi A, Costantino S, Paneni F, Duranti E, Nannipieri M, Mancini R, Lai M, La Rocca V, Puxeddu I, Antonioli L, Fornai M, Ghionzoli M, Georgiopoulos G, Ippolito C, Bernardini N, Ruschitzka F, Pugliese NR, Taddei S, Virdis* A, Masi S. Targeting SIRT1 Rescues Age- and Obesity-Induced Microvascular Dysfunction in Ex Vivo Human Vessels. Circ Res 2022; 131:476-491. [PMID: 35968712 PMCID: PMC9426744 DOI: 10.1161/circresaha.122.320888] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
BACKGROUND Experimental evidence suggests a key role of SIRT1 (silent information regulator 1) in age- and metabolic-related vascular dysfunction. Whether these effects hold true in the human microvasculature is unknown. We aimed to investigate the SIRT1 role in very early stages of age- and obesity-related microvascular dysfunction in humans. METHODS Ninety-five subjects undergoing elective laparoscopic surgery were recruited and stratified based on their body mass index status (above or below 30 kg/m2) and age (above or below 40 years) in 4 groups: Young Nonobese, Young Obese, Old Nonobese, and Old Obese. We measured small resistance arteries' endothelial function by pressurized micromyography before and after incubation with a SIRT1 agonist (SRT1720) and a mitochondria reactive oxygen species (mtROS) scavenger (MitoTEMPO). We assessed vascular levels of mtROS and nitric oxide availability by confocal microscopy and vascular gene expression of SIRT1 and mitochondrial proteins by qPCR. Chromatin immunoprecipitation assay was employed to investigate SIRT1-dependent epigenetic regulation of mitochondrial proteins. RESULTS Compared with Young Nonobese, obese and older patients showed lower vascular expression of SIRT1 and antioxidant proteins (FOXO3 [forkhead box protein O3] and SOD2) and higher expression of pro-oxidant and aging mitochondria proteins p66Shc and Arginase II. Old Obese, Young Obese and Old Nonobese groups endothelial dysfunction was rescued by SRT1720. The restoration was comparable to the one obtained with mitoTEMPO. These effects were explained by SIRT1-dependent chromatin changes leading to reduced p66Shc expression and upregulation of proteins involved in mitochondria respiratory chain. CONCLUSIONS SIRT1 is a novel central modulator of the earliest microvascular damage induced by age and obesity. Through a complex epigenetic control mainly involving p66Shc and Arginase II, it influences mtROS levels, NO availability, and the expression of proteins of the mitochondria respiratory chain. Therapeutic modulation of SIRT1 restores obesity- and age-related endothelial dysfunction. Early targeting of SIRT1 might represent a crucial strategy to prevent age- and obesity-related microvascular dysfunction.
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Affiliation(s)
- Alessandro Mengozzi
- Department of Clinical and Experimental Medicine (A.M., E.D., M.N., I.P., L.A., M.F., C.I., N.B., N.R.P., S.T., A.V., S.M.), University of Pisa, Italy.,Scuola Superiore Sant’Anna, Pisa, Italy (A.M., V.L.R., N.B.)
| | - Sarah Costantino
- Center for Molecular Cardiology, University of Zürich, Switzerland (S.C., F.P.)
| | - Francesco Paneni
- Center for Molecular Cardiology, University of Zürich, Switzerland (S.C., F.P.).,Department of Cardiology, University Heart Center (F.P., F.R.), University Hospital Zurich, Switzerland.,Department of Research and Education (F.P.), University Hospital Zurich, Switzerland
| | - Emiliano Duranti
- Department of Clinical and Experimental Medicine (A.M., E.D., M.N., I.P., L.A., M.F., C.I., N.B., N.R.P., S.T., A.V., S.M.), University of Pisa, Italy
| | - Monica Nannipieri
- Department of Clinical and Experimental Medicine (A.M., E.D., M.N., I.P., L.A., M.F., C.I., N.B., N.R.P., S.T., A.V., S.M.), University of Pisa, Italy
| | - Rudj Mancini
- Unit of Bariatric Surgery, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy (R.M.)
| | - Michele Lai
- Retrovirus Center and Virology Section, Department of Translational Research and New Technologies in Medicine and Surgery (M.L., V.L.R.), University of Pisa, Italy
| | - Veronica La Rocca
- Retrovirus Center and Virology Section, Department of Translational Research and New Technologies in Medicine and Surgery (M.L., V.L.R.), University of Pisa, Italy.,Scuola Superiore Sant’Anna, Pisa, Italy (A.M., V.L.R., N.B.)
| | - Ilaria Puxeddu
- Department of Clinical and Experimental Medicine (A.M., E.D., M.N., I.P., L.A., M.F., C.I., N.B., N.R.P., S.T., A.V., S.M.), University of Pisa, Italy
| | - Luca Antonioli
- Department of Clinical and Experimental Medicine (A.M., E.D., M.N., I.P., L.A., M.F., C.I., N.B., N.R.P., S.T., A.V., S.M.), University of Pisa, Italy
| | - Matteo Fornai
- Department of Clinical and Experimental Medicine (A.M., E.D., M.N., I.P., L.A., M.F., C.I., N.B., N.R.P., S.T., A.V., S.M.), University of Pisa, Italy
| | - Marco Ghionzoli
- Paediatric Surgery Unit, Meyer Children’s Hospital, Florence, Italy (M.G.)
| | - Georgios Georgiopoulos
- School of Biomedical Engineering and Imaging Sciences, King’s College London, United Kingdom (G.G.).,Department of Clinical Therapeutics, School of Medicine, National and Kapodistrian University of Athens, Greece (G.G.)
| | - Chiara Ippolito
- Department of Clinical and Experimental Medicine (A.M., E.D., M.N., I.P., L.A., M.F., C.I., N.B., N.R.P., S.T., A.V., S.M.), University of Pisa, Italy
| | - Nunzia Bernardini
- Department of Clinical and Experimental Medicine (A.M., E.D., M.N., I.P., L.A., M.F., C.I., N.B., N.R.P., S.T., A.V., S.M.), University of Pisa, Italy.,Scuola Superiore Sant’Anna, Pisa, Italy (A.M., V.L.R., N.B.)
| | - Frank Ruschitzka
- Department of Cardiology, University Heart Center (F.P., F.R.), University Hospital Zurich, Switzerland
| | - Nicola Riccardo Pugliese
- Department of Clinical and Experimental Medicine (A.M., E.D., M.N., I.P., L.A., M.F., C.I., N.B., N.R.P., S.T., A.V., S.M.), University of Pisa, Italy
| | - Stefano Taddei
- Department of Clinical and Experimental Medicine (A.M., E.D., M.N., I.P., L.A., M.F., C.I., N.B., N.R.P., S.T., A.V., S.M.), University of Pisa, Italy
| | - Agostino Virdis*
- Department of Clinical and Experimental Medicine (A.M., E.D., M.N., I.P., L.A., M.F., C.I., N.B., N.R.P., S.T., A.V., S.M.), University of Pisa, Italy
| | - Stefano Masi
- Department of Clinical and Experimental Medicine (A.M., E.D., M.N., I.P., L.A., M.F., C.I., N.B., N.R.P., S.T., A.V., S.M.), University of Pisa, Italy.,Institute of Cardiovascular Science, University College London, United Kingdom (S.M.)
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Jiang X, Jiang Z, Jiang M, Sun Y. Berberine as a Potential Agent for the Treatment of Colorectal Cancer. Front Med (Lausanne) 2022; 9:886996. [PMID: 35572960 PMCID: PMC9096113 DOI: 10.3389/fmed.2022.886996] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 03/29/2022] [Indexed: 01/10/2023] Open
Abstract
Colorectal cancer (CRC) is one of the most commonly diagnosed and deadly malignancies worldwide. The incidence of CRC has been increasing, especially in young people. Although great advances have been made in managing CRC, the prognosis is unfavorable. Numerous studies have shown that berberine (BBR) is a safe and effective agent presenting significant antitumor effects. Nevertheless, the detailed underlying mechanism in treating CRC remains indistinct. In this review, we herein offer beneficial evidence for the utilization of BBR in the management and treatment of CRC, and describe the underlying mechanism(s). The review emphasizes several therapeutic effects of BBR and confirms that BBR could suppress CRC by modulating gene expression, the cell cycle, the inflammatory response, oxidative stress, and several signaling pathways. In addition, BBR also displays antitumor effects in CRC by regulating the gut microbiota and mucosal barrier function. This review emphasizes BBR as a potentially effective and safe drug for CRC therapy.
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Affiliation(s)
- Xi Jiang
- Department of Cardiology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Zhongxiu Jiang
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Min Jiang
- Department of Gastroenterology, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Yan Sun
- Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, China
- *Correspondence: Yan Sun
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de Assis JV, Coutinho LA, Oyeyemi IT, Oyeyemi OT, Grenfell RFEQ. Diagnostic and therapeutic biomarkers in colorectal cancer: a review. Am J Cancer Res 2022; 12:661-680. [PMID: 35261794 PMCID: PMC8900002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 01/22/2022] [Indexed: 06/14/2023] Open
Abstract
Colorectal cancer (CRC) is a public health concern and the second most common type of cancer among men and women causing a significant mortality. Biomarkers closely linked to the disease morbidity could holds potential as diagnostic and/or prognostic biomarker for the disease. This review provides an overview of recent advances in the search for colorectal cancer biomarkers through genomics and proteomics according to clinical function and application. Specifically, a number of biomarkers were identified and discussed. Emphasis was placed on their clinical applications relative to the diagnosis and prognosis of CRC. The discovery of more sensitive and specific markers for CRC is an urgent need, and the study of molecular targets is extremely important in this process, as they will allow for a better understanding of colorectal carcinogenesis, identification and validation of potential genetic signatures.
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Affiliation(s)
- Jéssica Vieira de Assis
- Diagnosis and Therapy of Infectious Diseases and Cancer, René Rachou Institute, Oswaldo Cruz Foundation (Fiocruz)Belo Horizonte, Minas Gerais, Brazil
| | - Lucélia Antunes Coutinho
- Diagnosis and Therapy of Infectious Diseases and Cancer, René Rachou Institute, Oswaldo Cruz Foundation (Fiocruz)Belo Horizonte, Minas Gerais, Brazil
| | | | - Oyetunde Timothy Oyeyemi
- Diagnosis and Therapy of Infectious Diseases and Cancer, René Rachou Institute, Oswaldo Cruz Foundation (Fiocruz)Belo Horizonte, Minas Gerais, Brazil
- Department of Biological Sciences, University of Medical SciencesOndo, Ondo State, Nigeria
| | - Rafaella Fortini e Queiroz Grenfell
- Diagnosis and Therapy of Infectious Diseases and Cancer, René Rachou Institute, Oswaldo Cruz Foundation (Fiocruz)Belo Horizonte, Minas Gerais, Brazil
- Department of Infectious Diseases, College of Veterinary Medicine, University of GeorgiaAthens, Georgia, United States of America
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Hon KW, Zainal Abidin SA, Othman I, Naidu R. The Crosstalk Between Signaling Pathways and Cancer Metabolism in Colorectal Cancer. Front Pharmacol 2021; 12:768861. [PMID: 34887764 PMCID: PMC8650587 DOI: 10.3389/fphar.2021.768861] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 11/05/2021] [Indexed: 12/12/2022] Open
Abstract
Colorectal cancer (CRC) is one of the most frequently diagnosed cancers worldwide. Metabolic reprogramming represents an important cancer hallmark in CRC. Reprogramming core metabolic pathways in cancer cells, such as glycolysis, glutaminolysis, oxidative phosphorylation, and lipid metabolism, is essential to increase energy production and biosynthesis of precursors required to support tumor initiation and progression. Accumulating evidence demonstrates that activation of oncogenes and loss of tumor suppressor genes regulate metabolic reprogramming through the downstream signaling pathways. Protein kinases, such as AKT and c-MYC, are the integral components that facilitate the crosstalk between signaling pathways and metabolic pathways in CRC. This review provides an insight into the crosstalk between signaling pathways and metabolic reprogramming in CRC. Targeting CRC metabolism could open a new avenue for developing CRC therapy by discovering metabolic inhibitors and repurposing protein kinase inhibitors/monoclonal antibodies.
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Affiliation(s)
| | | | | | - Rakesh Naidu
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia
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10
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Mutational spectrum of BRAF gene in colorectal cancer patients in Saudi Arabia. Saudi J Biol Sci 2021; 28:5906-5912. [PMID: 34588906 PMCID: PMC8459112 DOI: 10.1016/j.sjbs.2021.06.048] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/15/2021] [Accepted: 06/16/2021] [Indexed: 12/24/2022] Open
Abstract
Colorectal cancer (CRC) is one of the topmost causes of death in males in Saudi Arabia. In females, it was also within the top five cancer types. CRC is heterogeneous in terms of pathogenicity and molecular genetic pathways. It is very important to determine the genetic causes of CRC in the Saudi population. BRAF is one of the major genes involved in cancers, it participates in transmitting chemical signals from outside the cells into the nucleus of the cells and it is also shown to participate in cell growth. In this study, we mapped the spectrum of BRAF mutations in 100 Saudi patients with CRC. We collected tissue samples from colorectal cancer patients, sequenced the BRAF gene to identify gene alterations, and analyzed the data using different bioinformatics tools. We designed a three-dimensional (3D) homology model of the BRAF protein using the Swiss Model automated homology modeling platform to study the structural impact of these mutations using the Missense3D algorithm. We found six mutations in 14 patients with CRC. Four of these mutations are being reported for the first time. The novel frameshift mutations observed in CRC patients, such as c.1758delA (E586E), c.1826insT (Q609L), c.1860insA and c.1860insA/C (M620I), led to truncated proteins of 589, 610, and 629 amino acids, respectively, and potentially affected the structure and the normal functions of BRAF. These findings provide insights into the molecular etiology of CRC in general and to the Saudi population. BRAF genetic testing may also guide treatment modalities, and the treatment may be optimized based on personalized gene variations.
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Cui J, Tian J, Wang W, He T, Li X, Gu C, Wang L, Wu J, Shang A. IGF2BP2 promotes the progression of colorectal cancer through a YAP-dependent mechanism. Cancer Sci 2021; 112:4087-4099. [PMID: 34309973 PMCID: PMC8486198 DOI: 10.1111/cas.15083] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 07/18/2021] [Accepted: 07/21/2021] [Indexed: 02/05/2023] Open
Abstract
To explore the effect of insulin-like growth factor 2 mRNA-binding protein 2 (IGF2BP2) on colorectal cancer (CRC) by recognizing the m6A modification of YAP mRNA thus activating ErbB2 expression. High expressions of IGF2BP2, YAP, and ErbB2 promoted the proliferation, migration and invasion of CRC cells and reduced their apoptosis. IGF2BP2 recognized the m6A on YAP mRNA and promoted the translation of mRNA. YAP regulated ErbB2 expression by promoting TEAD4 enrichment in ErbB2 promoter region. Therefore, IGF2BP2 promoted the expression of ErbB2 to enhance the proliferation, invasion and migration of CRC cells, to repress cell apoptosis, and to promote solid tumor formation in nude mice. IGF2BP2 activates the expression of ErbB2 by recognizing the m6A of YAP, thus affecting the cell cycle of CRC, inhibiting cell apoptosis, and promoting proliferation.
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Affiliation(s)
- Jie Cui
- Department of Laboratory MedicineShanghai Tongji HospitalTongji University School of MedicineShanghaiChina
- Center for Laboratory MedicineGeneral Hospital of Ningxia Medical UniversityYinchuan, NingxiaChina
- Center for Laboratory Medicinethe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Jiale Tian
- Department of Laboratory MedicineShanghai Tongji HospitalTongji University School of MedicineShanghaiChina
| | - Weiwei Wang
- Department of PathologyTinghu People's Hospital of Yancheng CityYancheng, JiangsuChina
| | - Tao He
- Department of GastroenterologyGeneral Hospital of Ningxia Medical UniversityYinchuan, NingxiaChina
| | - Xin Li
- The Institute for Translational NanomedicineShanghai East HospitalThe Institute for Biomedical Engineering & Nano ScienceTongji University School of MedicineShanghaiChina
| | - Chenzheng Gu
- Department of Laboratory MedicineShanghai Tongji HospitalTongji University School of MedicineShanghaiChina
| | - Lixin Wang
- Center for Laboratory MedicineGeneral Hospital of Ningxia Medical UniversityYinchuan, NingxiaChina
- Center for Laboratory Medicinethe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Jian Wu
- Department of Clinical LaboratoryGusu SchoolSuzhou Municipal HospitalThe Affiliated Suzhou Hospital of Nanjing Medical UniversityNanjing Medical UniversitySuzhou, JiangsuChina
- State Key Laboratory for the Diagnosis and Treatment of Infectious DiseasesNational Clinical Research Center for Infectious DiseasesCollege of MedicineThe First Affiliated HospitalZhejiang UniversityHangzhouChina
| | - Anquan Shang
- Department of Laboratory MedicineShanghai Tongji HospitalTongji University School of MedicineShanghaiChina
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12
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Chan HC, Huang CC, Huang CC, Chattopadhyay A, Yeh KH, Lee WC, Chiang CJ, Lee HY, Cheng SHC, Lu TP. Predicting Colon Cancer-Specific Survival for the Asian Population Using National Cancer Registry Data from Taiwan. Ann Surg Oncol 2021; 29:853-863. [PMID: 34427821 DOI: 10.1245/s10434-021-10646-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 07/30/2021] [Indexed: 11/18/2022]
Abstract
PURPOSE Colon cancer is the third most incident and life-threatening cancer in Taiwan. A comprehensive survival prediction system would greatly benefit clinical practice in this area. This study was designed to develop an accurate prognostic model for colon cancer patients by using clinicopathological variables obtained from the Taiwan Cancer Registry database. METHODS We analyzed 20,218 colon cancer patients from the Taiwan Cancer Registry database, who were diagnosed between 2007 and 2015, were followed up until December 31, 2017, and had undergone curative surgery. We proposed two prognostic models, with different combinations of predictors. The first model used only traditional clinical features. The second model included several colon cancer site-specific factors (circumferential resection margin, perineural invasion, obstruction, and perforation), in addition to the traditional features. Both prediction models were developed by using a Cox proportional hazards model. Furthermore, we investigated whether race is a significant predictor of survival in colon cancer patients by using Model 1 on the Surveillance, Epidemiology, and End Results (SEER) cancer registry dataset. RESULTS The proposed models displayed a robust prediction performance (all Harrell's c-index >0.8). For both the calibration and validation steps, the differences between the predicted and observed mortality were mostly less than 5%. CONCLUSIONS The prediction model (Model 1) is an effective predictor of survival regardless of the ethnic background of patients and can potentially help to provide better prediction of colon cancer-specific survival outcomes, thus allowing physicians to improve treatment plans.
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Affiliation(s)
- Han-Ching Chan
- Institute of Epidemiology and Preventive Medicine, Department of Public Health, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Chi-Cheng Huang
- Department of Public Health, College of Public Health, National Taiwan University, Taipei, Taiwan.,Division of General Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Ching-Chieh Huang
- Institute of Epidemiology and Preventive Medicine, Department of Public Health, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Amrita Chattopadhyay
- Institute of Epidemiology and Preventive Medicine, Department of Public Health, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Kuan-Hung Yeh
- Department of Public Health, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Wen-Chung Lee
- Institute of Epidemiology and Preventive Medicine, Department of Public Health, College of Public Health, National Taiwan University, Taipei, Taiwan.,Taiwan Cancer Registry, Taipei, Taiwan
| | - Chun-Ju Chiang
- Institute of Epidemiology and Preventive Medicine, Department of Public Health, College of Public Health, National Taiwan University, Taipei, Taiwan.,Taiwan Cancer Registry, Taipei, Taiwan
| | - Hsin-Ying Lee
- Institute of Epidemiology and Preventive Medicine, Department of Public Health, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Skye Hung-Chun Cheng
- Department of Radiation Oncology, Koo Foundation Sun Yat-Sen Cancer Center, Taipei, Taiwan
| | - Tzu-Pin Lu
- Institute of Epidemiology and Preventive Medicine, Department of Public Health, College of Public Health, National Taiwan University, Taipei, Taiwan.
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13
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Lipatova A, Krasnov G, Vorobyov P, Melnikov P, Alekseeva O, Vershinina Y, Brzhozovskiy A, Goliusova D, Maganova F, Zakirova N, Kudryavtseva A, Moskalev A. Effects of Siberian fir terpenes extract Abisil on antioxidant activity, autophagy, transcriptome and proteome of human fibroblasts. Aging (Albany NY) 2021; 13:20050-20080. [PMID: 34428743 PMCID: PMC8436938 DOI: 10.18632/aging.203448] [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: 07/27/2020] [Accepted: 07/23/2021] [Indexed: 11/25/2022]
Abstract
Background: Abisil is an extract of Siberian fir terpenes with antimicrobial and wound healing activities. Previous studies revealed that Abisil has geroprotective, anti-tumorigenic, and anti-angiogenic effects. Abisil decreased the expression of cyclin D1, E1, A2, and increased the phosphorylation rate of AMPK. Objective: In the present study, we analyzed the effect of Abisil on autophagy, the mitochondrial potential of embryonic human lung fibroblasts. We evaluated its antioxidant activity and analyzed the transcriptomic and proteomic effects of Abisil treatment. Results: Abisil treatment resulted in activation of autophagy, reversal of rotenone-induced elevation of reactive oxygen species (ROS) levels and several-fold decrease of mitochondrial potential. Lower doses of Abisil (25 μg/ml) showed a better oxidative effect than high doses (50 or 125 μg/ml). Estimation of metabolic changes after treatment with 50 μg/ml has not shown any changes in oxygen consumption rate, but extracellular acidification rate decreased significantly. Abisil treatment (5 and 50 μg/ml) of MRC5-SV40 cells induced a strong transcriptomic shift spanning several thousand genes (predominantly, expression decrease). Among down-regulated genes, we noticed an over-representation of genes involved in cell cycle progression, oxidative phosphorylation, and fatty acid biosynthesis. Additionally, we observed predominant downregulation of genes encoding for kinases. Proteome profiling also revealed that the content of hundreds of proteins is altered after Abisil treatment (mainly, decreased). These proteins were involved in cell cycle regulation, intracellular transport, RNA processing, translation, mitochondrial organization. Conclusions: Abisil demonstrated antioxidant and autophagy stimulating activity. Treatment with Abisil results in the predominant downregulation of genes involved in the cell cycle and oxidative phosphorylation.
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Affiliation(s)
- Anastasiya Lipatova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - George Krasnov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia.,Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Pavel Vorobyov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Pavel Melnikov
- V. Serbsky National Research Center for Psychiatry and Narcology, Moscow 119034, Russia
| | - Olga Alekseeva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Yulia Vershinina
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | | | - Daria Goliusova
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow 119991, Russia
| | | | - Natalia Zakirova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia.,Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Anna Kudryavtseva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia.,Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Alexey Moskalev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia.,Institute of Biology of Federal Research Center "Komi Science Center" of Ural Branch of RAS, Syktyvkar 167982, Russia.,Russian Clinical and Research Center of Gerontology, Moscow 129226, Russia
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14
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Long CP, Lu T, Ediriwickrema LS, Lin JH, Korn BS, Kikkawa DO, Liu CY. Colorectal carcinoma presenting in the orbit: mass effect from an uncommon cause. Orbit 2021; 40:338-341. [PMID: 32643502 PMCID: PMC9984235 DOI: 10.1080/01676830.2020.1787466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 06/21/2020] [Indexed: 06/11/2023]
Abstract
An 84-year-old male with previously documented poor medical follow-up presented with progressive painless proptosis of the right eye. Right upper eyelid ptosis, limited motility, proptosis, and inferomedial displacement of the right globe were noted on the exam. Computed tomography (CT) imaging revealed a right retrobulbar extraconal heterogenous mass with ill-defined borders. Biopsy revealed a malignant adenocarcinoma with tumor markers suggestive of a colorectal primary. A rectal mass was identified during a systemic workup. After biopsy, the patient was diagnosed with stage IV metastatic rectal adenocarcinoma. He began palliative radiation therapy shortly following diagnosis.
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Affiliation(s)
- Christopher P. Long
- UC San Diego Viterbi Family Department of Ophthalmology, Shiley Eye Institute, La Jolla, California, USA
| | - Tianlun Lu
- UC San Diego Viterbi Family Department of Ophthalmology, Shiley Eye Institute, La Jolla, California, USA
| | - Lilangi S. Ediriwickrema
- Division of Oculofacial Plastic and Reconstructive Surgery, UC Irvin Department of Ophthalmology, Gavin Herbert Eye Institute, Irvine, California, USA
| | - Jonathan H. Lin
- UC San Diego Viterbi Family Department of Ophthalmology, Shiley Eye Institute, La Jolla, California, USA
- UC San Diego Department of Pathology, La Jolla, California, USA
- VA San Diego Healthcare System, San Diego, California, USA
- Departments of Pathology and Ophthalmology, Byers Eye Institute, Stanford University, Stanford, California, USA
- Department of Pathology, VA Palo Alto Healthcare System, Palo Alto, California, USA
| | - Bobby S. Korn
- Division of Oculofacial Plastic and Reconstructive Surgery, UC San Diego Viterbi Family Department of Ophthalmology, Shiley Eye Institute, La Jolla, California, USA
- Division of Plastic and Reconstructive Surgery, UC San Diego Department of Surgery, University of California San Diego, La Jolla, California, USA
| | - Don O. Kikkawa
- Division of Oculofacial Plastic and Reconstructive Surgery, UC San Diego Viterbi Family Department of Ophthalmology, Shiley Eye Institute, La Jolla, California, USA
- Division of Plastic and Reconstructive Surgery, UC San Diego Department of Surgery, University of California San Diego, La Jolla, California, USA
| | - Catherine Y. Liu
- Division of Oculofacial Plastic and Reconstructive Surgery, UC San Diego Viterbi Family Department of Ophthalmology, Shiley Eye Institute, La Jolla, California, USA
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15
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Liu HH, Lee CH, Hsieh YC, Hsu DW, Cho EC. Multiple myeloma driving factor WHSC1 is a transcription target of oncogene HMGA2 that facilitates colon cancer proliferation and metastasis. Biochem Biophys Res Commun 2021; 567:183-189. [PMID: 34166916 DOI: 10.1016/j.bbrc.2021.06.034] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 06/09/2021] [Indexed: 11/26/2022]
Abstract
Colon cancer is a common human cancer worldwide. The survival rate of late staged or metastatic colon cancer patients remains low even though the effectiveness of treatment in colon cancer has greatly improved. Research on tumorigenesis mechanisms and discovery of novel molecular target for treating colon cancer is critical. The promotion roles of WHSC1 in multiple myeloma have been demonstrated previously, yet, the regulation of WHSC1 in other cancers is largely unknown, especially in colon cancer. Here, in this study, we analyzed and identified WHSC1 while studying the genetic regulations of HMGA2 in colon cancer cells by microarray analysis, and investigated the HMGA2-WHSC1 interaction. We then applied CRISPR technology to establish stable WHSC1 knockout cells, to address the functional regulation of WHSC1 in colon cancer. In summary, our results for the first time identified the HMGA2-WHSC1 interaction in colon cancer. Moreover, we discovered that WHSC1 promotes cancer proliferation, facilitates resistance of chemotherapy agent, and promotes metastatic capacity of colon cancer.
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Affiliation(s)
- Hou-Hsien Liu
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 110, Taiwan
| | - Chia-Hwa Lee
- School of Medical Laboratory Science and Biotechnology, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Yi-Chen Hsieh
- PhD Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan; PhD Program in Biotechnology Research and Development, College of Pharmacy, Taipei Medical University, Taiwan; Master Program in Applied Molecular Epidemiology, School of Public Health, Taipei Medical University, Taipei, Taiwan
| | - Duen-Wei Hsu
- Department of Biotechnology, National Kaohsiung Normal University, 62 Shenjhong Road, Yanchao District, Kaohsiung 82444, Taiwan
| | - Er-Chieh Cho
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 110, Taiwan; Master Program in Clinical Genomics and Proteomics, College of Pharmacy, Taipei Medical University, Taipei, Taiwan; Cancer Center, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan.
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16
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Herstad KMV, Gunnes G, Rørtveit R, Kolbjørnsen Ø, Tran L, Skancke E. Immunohistochemical expression of β-catenin, Ki67, CD3 and CD18 in canine colorectal adenomas and adenocarcinomas. BMC Vet Res 2021; 17:119. [PMID: 33712002 PMCID: PMC7953700 DOI: 10.1186/s12917-021-02829-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 03/05/2021] [Indexed: 12/18/2022] Open
Abstract
Background Inflammation is believed to influence human colorectal carcinogenesis and may have an impact on prognosis and survival. The mucosal immunophenotype in dogs with colorectal cancer is poorly described. The aim of this study was to investigate whether the density, distribution and grade of tumor-infiltrating immune cells (TIIs) are different in normal colonic tissue vs benign stages (adenomas) and malignant stages (adenocarcinomas) of canine colorectal carcinogenesis, and thus, whether they can be considered as prognostic factors in dogs. This retrospective case-control study was performed on formalin-fixed, paraffin-embedded tissue samples from dogs with histologically confirmed colorectal adenoma (n = 18) and adenocarcinoma (n = 13) collected from archived samples. The samples had been collected by colonoscopy, surgery or during postmortem examination. Healthy colonic tissue obtained post mortem from dogs euthanized for reasons not involving the gastrointestinal tract served as control tissue (n = 9). Results The tumor samples had significantly lower numbers of CD3+ T-cells in the epithelium compared to controls (adenocarcinoma vs control, Kruskal-Wallis test, p = 0.0004, and adenoma vs control, p = 0.002). Adenomas had a significantly lower number of CD18+ cells in the lamina propria, compared to control samples (Kruskal-Wallis test, p = 0.008). Colonic samples from control dogs had uniform staining of β-catenin along the cell membrane of epithelial cells. Compared to normal colonic cells, the expression levels of cytoplasmic β-catenin were significantly higher in adenomas and adenocarcinomas (adenoma vs control Kruskal-Wallis test, p = 0.004, and adenocarcinoma vs control, p = 0.002). None of the control samples showed positive staining of β-catenin in the nucleus of colonic cells. In contrast, adenocarcinomas and adenomas showed moderate to strong staining of the cell nucleus. The nuclear β-catenin expression (signal strength and distribution) was significantly higher in adenomas compared to adenocarcinomas (Kruskal-Wallis test, p < 0.05). Conclusions β-catenin and Ki67 were not useful markers for demonstrating tumor progression from adenomas to adenocarcinomas. The lower presence of CD18 and CD3+ cells in colorectal tumors compared to controls indicates a reduced presence of histiocytes and T-cells, which may have implications for the pathogenesis and progression of colorectal cancer in dogs. Supplementary Information The online version contains supplementary material available at 10.1186/s12917-021-02829-6.
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Affiliation(s)
- Kristin M V Herstad
- Department of Companion Animal Clinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences (NMBU), Oslo, Norway.
| | - Gjermund Gunnes
- Department of Preclinical Sciences and Pathology, Faculty of Veterinary Medicine, Norwegian University of Life Sciences (NMBU), Oslo, Norway
| | - Runa Rørtveit
- Department of Preclinical Sciences and Pathology, Faculty of Veterinary Medicine, Norwegian University of Life Sciences (NMBU), Oslo, Norway
| | - Øyvor Kolbjørnsen
- Department of Animal Health, Norwegian Veterinary Institute, Section for Biohazard and Pathology, Oslo, Norway
| | - Linh Tran
- Department of Animal Health, Norwegian Veterinary Institute, Section for Biohazard and Pathology, Oslo, Norway
| | - Ellen Skancke
- Department of Companion Animal Clinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences (NMBU), Oslo, Norway
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17
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Urh K, Žlajpah M, Zidar N, Boštjančič E. Identification and Validation of New Cancer Stem Cell-Related Genes and Their Regulatory microRNAs in Colorectal Cancerogenesis. Biomedicines 2021; 9:biomedicines9020179. [PMID: 33670246 PMCID: PMC7916981 DOI: 10.3390/biomedicines9020179] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 01/31/2021] [Accepted: 02/04/2021] [Indexed: 12/11/2022] Open
Abstract
Significant progress has been made in the last decade in our understanding of the pathogenetic mechanisms of colorectal cancer (CRC). Cancer stem cells (CSC) have gained much attention and are now believed to play a crucial role in the pathogenesis of various cancers, including CRC. In the current study, we validated gene expression of four genes related to CSC, L1TD1, SLITRK6, ST6GALNAC1 and TCEA3, identified in a previous bioinformatics analysis. Using bioinformatics, potential miRNA-target gene correlations were prioritized. In total, 70 formalin-fixed paraffin-embedded biopsy samples from 47 patients with adenoma, adenoma with early carcinoma and CRC without and with lymph node metastases were included. The expression of selected genes and microRNAs (miRNAs) was evaluated using quantitative PCR. Differential expression of all investigated genes and four of six prioritized miRNAs (hsa-miR-199a-3p, hsa-miR-335-5p, hsa-miR-425-5p, hsa-miR-1225-3p, hsa-miR-1233-3p and hsa-miR-1303) was found in at least one group of CRC cancerogenesis. L1TD1, SLITRK6, miR-1233-3p and miR-1225-3p were correlated to the level of malignancy. A negative correlation between miR-199a-3p and its predicted target SLITRK6 was observed, showing potential for further experimental validation in CRC. Our results provide further evidence that CSC-related genes and their regulatory miRNAs are involved in CRC development and progression and suggest that some them, particularly miR-199a-3p and its SLITRK6 target gene, are promising for further validation in CRC.
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18
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You T, Song K, Guo W, Fu Y, Wang K, Zheng H, Yang J, Jin L, Qi L, Guo Z, Zhao W. A Qualitative Transcriptional Signature for Predicting CpG Island Methylator Phenotype Status of the Right-Sided Colon Cancer. Front Genet 2020; 11:971. [PMID: 33193579 PMCID: PMC7658404 DOI: 10.3389/fgene.2020.00971] [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: 05/17/2020] [Accepted: 07/31/2020] [Indexed: 12/24/2022] Open
Abstract
A part of colorectal cancer which is characterized by simultaneous numerous hypermethylation CpG islands sites is defined as CpG island methylator phenotype (CIMP) status. Stage II and III CIMP−positive (CIMP+) right-sided colon cancer (RCC) patients have a better prognosis than CIMP−negative (CIMP−) RCC treated with surgery alone. However, there is no gold standard available in defining CIMP status. In this work, we selected the gene pairs whose relative expression orderings (REOs) were associated with the CIMP status, to develop a qualitative transcriptional signature to individually predict CIMP status for stage II and III RCC. Based on the REOs of gene pairs, a signature composed of 19 gene pairs was developed to predict the CIMP status of RCC through a feature selection process. A sample is predicted as CIMP+ when the gene expression orderings of at least 12 gene pairs vote for CIMP+; otherwise the CIMP−. The difference of prognosis between the predicted CIMP+ and CIMP− groups was more significantly different than the original CIMP status groups. There were more differential methylation and expression characteristics between the two predicted groups. The hierarchical clustering analysis showed that the signature could perform better for predicting CIMP status of RCC than current methods. In conclusion, the qualitative transcriptional signature for classifying CIMP status at the individualized level can predict outcome and guide therapy for RCC patients.
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Affiliation(s)
- Tianyi You
- Department of Systems Biology, College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
| | - Kai Song
- Department of Systems Biology, College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
| | - Wenbing Guo
- Department of Systems Biology, College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
| | - Yelin Fu
- Department of Systems Biology, College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
| | - Kai Wang
- Department of Systems Biology, College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
| | - Hailong Zheng
- Department of Systems Biology, College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
| | - Jing Yang
- Department of Systems Biology, College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
| | - Liangliang Jin
- Department of Systems Biology, College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
| | - Lishuang Qi
- Department of Systems Biology, College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
| | - Zheng Guo
- Department of Systems Biology, College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China.,Department of Bioinformatics, Key Laboratory of Ministry of Education for Gastrointestinal Cancer, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China.,Fujian Provincial Key Laboratory on Hematology, Fujian Medical University, Fuzhou, China
| | - Wenyuan Zhao
- Department of Systems Biology, College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
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19
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Farag AK, Hassan AH, Chung KS, Lee JH, Gil HS, Lee KT, Roh EJ. Diarylurea derivatives comprising 2,4-diarylpyrimidines: Discovery of novel potential anticancer agents via combined failed-ligands repurposing and molecular hybridization approaches. Bioorg Chem 2020; 103:104121. [DOI: 10.1016/j.bioorg.2020.104121] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 05/19/2020] [Accepted: 07/20/2020] [Indexed: 12/13/2022]
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20
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Yao HP, Tong XM, Hudson R, Wang MH. MET and RON receptor tyrosine kinases in colorectal adenocarcinoma: molecular features as drug targets and antibody-drug conjugates for therapy. J Exp Clin Cancer Res 2020; 39:198. [PMID: 32962738 PMCID: PMC7510328 DOI: 10.1186/s13046-020-01711-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 09/14/2020] [Indexed: 02/06/2023] Open
Abstract
Advanced colorectal adenocarcinoma (CRAC), featured by distinctive histopathological appearance, distant organ metastasis, acquired chemoresistance, and tumorigenic stemness is a group of heterogeneous cancers with unique genetic signatures and malignant phenotypes. Treatment of CRAC is a daunting task for oncologists. Currently, various strategies including molecular targeting using therapeutic monoclonal antibodies, small molecule kinase inhibitors and immunoregulatory checkpoint therapy have been applied to combat this deadly disease. However, these therapeutic modalities and approaches achieve only limited success. Thus, there is a pharmaceutical need to discover new targets and develop novel therapeutics for CRAC therapy. MET and RON receptor tyrosine kinases have been implicated in CRAC pathogenesis. Clinical studies have revealed that aberrant MET and/or RON expression and signaling are critical in regulating CRAC progression and malignant phenotypes. Increased MET and/or RON expression also has prognostic value for CRAC progression and patient survival. These features provide the rationale to target MET and RON for clinical CRAC intervention. At present, the use of small molecule kinase inhibitors targeting MET for CRAC treatment has achieved significant progress with several approvals for clinical application. Nevertheless, antibody-based biotherapeutics, although under clinical trials for more than 8 years, have made very little progress. In this review, we discuss the importance of MET and/or RON in CRAC tumorigenesis and development of anti-MET, anti-RON, and MET and RON-dual targeting antibody-drug conjugates for clinical application. The findings from both preclinical studies and clinical trials highlight the potential of this novel type of biotherapeutics for CRAC therapy in the future.
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Affiliation(s)
- Hang-Ping Yao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- National Clinical Research Center for Infectious Diseases, Zhejiang University School of Medicine, Hangzhou, China.
| | - Xiang-Min Tong
- Department of Hematology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China.
| | - Rachel Hudson
- Cancer Biology Research Center, Texas Tech University Health Sciences Center, Amarillo, USA
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, TX, Amarillo, USA
| | - Ming-Hai Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- National Clinical Research Center for Infectious Diseases, Zhejiang University School of Medicine, Hangzhou, China.
- Cancer Biology Research Center, Texas Tech University Health Sciences Center, Amarillo, USA.
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, TX, Amarillo, USA.
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21
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Mulla N, Alshareef A, Syed AR, Al-Jahel M. Clinico-Pathological Study of K-ras Mutations in Colorectal Tumors: A Single-Center Retrospective Study of 51 Patients in Madinah, Saudi Arabia. Cureus 2020; 12:e9978. [PMID: 32983680 PMCID: PMC7511070 DOI: 10.7759/cureus.9978] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Background Colorectal cancer (CRC) is one of the leading types of cancer worldwide and in Saudi Arabia. At the molecular level, CRC is very complicated and requires establishing comprehensive patient stratification models through identification of patients who will benefit or will not benefit from targeted therapy. We retrospectively investigated and analyzed the frequency of Kirsten-ras (K-ras) mutation and its correlation with patients' characteristics as weel as its association with clinicopathological features (i.e age, gender, clinical stage, anatomical site, histological subtype, degree of histological differentiation and metastatic site) in patients with CRC. Methods Medical records and paraffin-embedded tumor samples from 51 patients with histologically proven colorectal adenocarcinoma referred to Madinah center in Saudi Arabia were analyzed for the occurrence of rat sarcoma virus (RAS) mutations. Results RAS mutations occurred in 43% of the patients; 91% of these mutations were in K-ras. Seventy-five percent of these K-ras mutations were in codon 12, most commonly p.G12D. Codon 13 mutations occurred in 20% of tumors: all of these were p.G13D (100%). The percentage of K-ras mutations occurrence was higher in young patients (≤50) compared with the older patients (>50) (54.5% and 35%, respectively). Similarly, the percentage of K-ras mutations occurrence was higher in the right-sided tumors compared with the left-sided tumors (57.1% and 32.4%, respectively). Patients' characteristics and clinicopathological features were not significantly associated with K-ras mutations. Conclusions K-ras mutations are common among Saudi patients diagnosed with CRC in Madinah, especially pG12V and pG12D in codon 12. Further investigation would be required to establish correlation of K-ras mutations in larger cohorts.
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Affiliation(s)
- Nasser Mulla
- Department of Internal Medicine, College of Medicine, Taibah University, Madinah, SAU
| | - Abdulraheem Alshareef
- Department of Medical Laboratories Technology, College of Medicine, Taibah University, Madinah, SAU
| | - Abdul Rahman Syed
- Department of Pathology, King Fahad Hospital, Ministry of Health, Madinah, SAU
| | - Majid Al-Jahel
- Department of Oncology, King Fahad Hospital, Ministry of Health, Madinah, SAU
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22
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El Asri A, Zarrouq B, El Kinany K, Bouguenouch L, Ouldim K, El Rhazi K. Associations between nutritional factors and KRAS mutations in colorectal cancer: a systematic review. BMC Cancer 2020; 20:696. [PMID: 32723394 PMCID: PMC7388532 DOI: 10.1186/s12885-020-07189-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 07/16/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Between 30 and 50% of colon tumors have mutations in the Kirsten-ras (KRAS) gene, which have a large nutritional attributable risk. Despite its high frequency in colorectal cancer (CRC), data to support specific associations between KRAS mutations in CRC and diet are sparse. Here, we conducted a systematic review to summarize the current epidemiological evidence on the association between various dietary factors and KRAS mutations. METHODS PubMed, Science Direct, and Cochrane databases were searched for relevant studies published until December 31, 2019, using inclusion and exclusion criteria in accordance with PRISMA guidelines. We analyzed the studies to find associations between nutritional factors and CRC tumors with KRAS mutations in humans. RESULTS We identified 28 relevant studies to include in this systematic review. In-depth analyses showed unclear associations between nutritional factors and KRAS mutations in CRC. Most epidemiological studies in the same nutrient or food often reported conflicting and/or inconclusive findings, whereas for some dietary factors, the results were homogeneous. CONCLUSIONS Further research using a more robust prospective cohort study is needed to lend more credence to the epidemiological associations found between KRAS mutations and dietary factors.
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Affiliation(s)
- Achraf El Asri
- Laboratory of Epidemiology and Research in Health Sciences, Faculty of Medicine and Pharmacy, Sidi Mohammed Ben Abdallah University, Fez, Morocco
- Medical Genetics and Oncogenetics Unit, Hassan II University Hospital, Fez, Morocco
| | - Btissame Zarrouq
- Laboratory of Epidemiology and Research in Health Sciences, Faculty of Medicine and Pharmacy, Sidi Mohammed Ben Abdallah University, Fez, Morocco
- Teacher’s Training College (Ecole Normale Superieure), Department of Biology and Geology, Sidi Mohammed Ben Abdallah University, Fez, Morocco
| | - Khaoula El Kinany
- Laboratory of Epidemiology and Research in Health Sciences, Faculty of Medicine and Pharmacy, Sidi Mohammed Ben Abdallah University, Fez, Morocco
| | - Laila Bouguenouch
- Medical Genetics and Oncogenetics Unit, Hassan II University Hospital, Fez, Morocco
| | - Karim Ouldim
- Medical Genetics and Oncogenetics Unit, Hassan II University Hospital, Fez, Morocco
- Cancer Research Institute, Fez, Morocco
| | - Karima El Rhazi
- Laboratory of Epidemiology and Research in Health Sciences, Faculty of Medicine and Pharmacy, Sidi Mohammed Ben Abdallah University, Fez, Morocco
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23
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Bodén S, Myte R, Harbs J, Sundkvist A, Zingmark C, Löfgren Burström A, Palmqvist R, Harlid S, Van Guelpen B. C-reactive Protein and Future Risk of Clinical and Molecular Subtypes of Colorectal Cancer. Cancer Epidemiol Biomarkers Prev 2020; 29:1482-1491. [PMID: 32317300 DOI: 10.1158/1055-9965.epi-19-1339] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 01/27/2020] [Accepted: 04/17/2020] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Inflammation has been implicated in colorectal cancer etiology, but the relationship between C-reactive protein (CRP) and colorectal cancer risk is unclear. We aimed to investigate the association between prediagnostic plasma CRP concentrations and the risk of clinical and molecular colorectal cancer subtypes. METHODS We used prospectively collected samples from 1,010 matched colorectal cancer case-control pairs from two population-based cohorts in Northern Sweden, including 259 with repeated samples. Conditional logistic regression and linear mixed models were used to estimate relative risks of colorectal cancer, including subtypes based on BRAF and KRAS mutations, microsatellite instability status, tumor location, stage, lag time, and (using unconditional logistic regression) body mass index. RESULTS CRP was not associated with colorectal cancer risk, regardless of clinical or molecular colorectal cancer subtype. For participants with advanced tumors and blood samples <5 years before diagnosis, CRP was associated with higher risk [OR per 1 unit increase in natural logarithm (ln) transformed CRP, 1.32; 95% confidence interval (CI), 1.01-1.73]. CRP levels increased over time, but average time trajectories were similar for cases and controls (P interaction = 0.19). CONCLUSIONS Our results do not support intertumoral heterogeneity as an explanation for previous inconsistent findings regarding the role of CRP in colorectal cancer etiology. The possible association in the subgroup with advanced tumors and shorter follow-up likely reflects undiagnosed cancer at baseline. IMPACT Future efforts to establish the putative role of chronic, low-grade inflammation in colorectal cancer development will need to address the complex relationship between systemic inflammatory factors and tumor microenvironment, and might consider larger biomarker panels than CRP alone.
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Affiliation(s)
- Stina Bodén
- Department of Radiation Sciences, Oncology, Umeå University, Umeå, Sweden.
| | - Robin Myte
- Department of Radiation Sciences, Oncology, Umeå University, Umeå, Sweden
| | - Justin Harbs
- Department of Radiation Sciences, Oncology, Umeå University, Umeå, Sweden
| | - Anneli Sundkvist
- Department of Radiation Sciences, Oncology, Umeå University, Umeå, Sweden
| | - Carl Zingmark
- Department of Medical Biosciences, Pathology, Umeå University, Umeå, Sweden
| | | | - Richard Palmqvist
- Department of Medical Biosciences, Pathology, Umeå University, Umeå, Sweden
| | - Sophia Harlid
- Department of Radiation Sciences, Oncology, Umeå University, Umeå, Sweden
| | - Bethany Van Guelpen
- Department of Radiation Sciences, Oncology, Umeå University, Umeå, Sweden
- Wallenberg Centre for Molecular Medicine, Umeå University, Umeå, Sweden
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24
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Haruki K, Kosumi K, Li P, Arima K, Väyrynen JP, Lau MC, Twombly TS, Hamada T, Glickman JN, Fujiyoshi K, Chen Y, Du C, Guo C, Väyrynen SA, Dias Costa A, Song M, Chan AT, Meyerhardt JA, Nishihara R, Fuchs CS, Liu L, Zhang X, Wu K, Giannakis M, Nowak JA, Ogino S. An integrated analysis of lymphocytic reaction, tumour molecular characteristics and patient survival in colorectal cancer. Br J Cancer 2020; 122:1367-1377. [PMID: 32157241 PMCID: PMC7188805 DOI: 10.1038/s41416-020-0780-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Revised: 02/12/2020] [Accepted: 02/19/2020] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Histological lymphocytic reaction is regarded as an independent prognostic marker in colorectal cancer. Considering the lack of adequate statistical power, adjustment for selection bias and comprehensive tumour molecular data in most previous studies, we investigated the strengths of the prognostic associations of lymphocytic reaction in colorectal carcinoma by utilising an integrative database of two prospective cohort studies. METHODS We examined Crohn's-like reaction, intratumoural periglandular reaction, peritumoural reaction and tumour-infiltrating lymphocytes in 1465 colorectal carcinoma cases. Using covariate data of 4420 colorectal cancer cases in total, inverse probability-weighted Cox proportional hazard regression model was used to control for selection bias (due to tissue availability) and potential confounders, including stage, MSI status, LINE-1 methylation, PTGS2 and CTNNB1 expression, KRAS, BRAF and PIK3CA mutations, and tumour neoantigen load. RESULTS Higher levels of each lymphocytic reaction component were associated with better colorectal cancer-specific survival (Ptrend < 0.002). Compared with cases with negative/low intratumoural periglandular reaction, multivariable-adjusted HRs were 0.55 (95% CI, 0.42-0.71) in cases with intermediate reaction and 0.20 (95% CI, 0.12-0.35) in cases with high reaction. These relationships were consistent in strata of MSI status or neoantigen loads (Pinteraction > 0.2). CONCLUSIONS The four lymphocytic reaction components are prognostic biomarkers in colorectal carcinoma.
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Affiliation(s)
- Koichiro Haruki
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Keisuke Kosumi
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Peilong Li
- Department of Clinical Laboratory, The Second Hospital of Shandong University, Jinan, China
| | - Kota Arima
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Juha P Väyrynen
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Cancer and Translational Medicine Research Unit, Medical Research Center Oulu, Oulu University Hospital, and University of Oulu, Oulu, Finland
| | - Mai Chan Lau
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Tyler S Twombly
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Tsuyoshi Hamada
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Jonathan N Glickman
- Department of Pathology, Beth Israel Deaconess Medical Center, Boston, MS, USA
| | - Kenji Fujiyoshi
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Yang Chen
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Chunxia Du
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Chunguang Guo
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Sara A Väyrynen
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Andressa Dias Costa
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Mingyang Song
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Division of Gastroenterology, Massachusetts General Hospital, Boston, MA, USA
| | - Andrew T Chan
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Division of Gastroenterology, Massachusetts General Hospital, Boston, MA, USA
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Jeffrey A Meyerhardt
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Reiko Nishihara
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Charles S Fuchs
- Yale Cancer Center, New Haven, CT, USA
- Department of Medicine, Yale School of Medicine, New Haven, CT, USA
- Smilow Cancer Hospital, New Haven, CT, USA
| | - Li Liu
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Epidemiology and Biostatistics, and the Ministry of Education Key Lab of Environment and Health, School of Public Health, Huazhong University of Science and Technology, Wuhan, China
| | - Xuehong Zhang
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Kana Wu
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Marios Giannakis
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Jonathan A Nowak
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Shuji Ogino
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.
- Cancer Immunology and Cancer Epidemiology Programs, Dana-Farber Harvard Cancer Center, Boston, MA, USA.
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25
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Dmitriev AA, Beniaminov AD, Melnikova NV, Pushkova EN, Gerashchenko GV, Kudryavtseva AV, Kashuba VI. Functional Hypermethylation of ALDH1L1, PLCL2, and PPP2R3A in Colon Cancer. Mol Biol 2020. [DOI: 10.1134/s0026893320010057] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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26
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Artemaki PI, Sklirou AD, Kontos CK, Liosi AA, Gianniou DD, Papadopoulos IN, Trougakos IP, Scorilas A. High clusterin (CLU) mRNA expression levels in tumors of colorectal cancer patients predict a poor prognostic outcome. Clin Biochem 2020; 75:62-69. [DOI: 10.1016/j.clinbiochem.2019.10.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Revised: 10/11/2019] [Accepted: 10/11/2019] [Indexed: 02/07/2023]
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27
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Kotoulas A, Lambrou G, Koutsouris DD. Design and virtual implementation of a biomedical registry framework for the enhancement of clinical trials: colorectal cancer example. BMJ Health Care Inform 2019; 26:1-10. [PMID: 31142494 PMCID: PMC7062330 DOI: 10.1136/bmjhci-2019-100008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 03/13/2019] [Accepted: 03/14/2019] [Indexed: 12/23/2022] Open
Abstract
Introduction Clinical trials generate a large volume of literature and a vast amount of data. Following the 'open science' model, data sharing has enormous potential to strengthen scientific research. Currently, to the best of our knowledge, there is no existing web based Hellenic biomedical registry that displays available patients for clinical trials, providing direct access to registered physicians to all data, assisting them in finding eligible patients in the initial clinical trial recruitment process. Methods This paper describes the design and virtual implementation of a web based prototype biomedical registry in Greece. The system represents an eGovernment framework proposal for the central storage of patients' biomedical information and the operations associated with this process. The increasing tendency to include molecular data as prerequisite elements in clinical trials is adopted in the registry philosophy. The designed system is based on free, open source software and it is implemented virtually on a local host environment. Results Using colorectal cancer as an example, valid data from patients increases the reliability index, demonstrating the functionality of the web application. Conclusion In conclusion, the combination of biomedical data and information technology in order to display potential participants per health unit, facilitates recruitment for clinical trials.
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Affiliation(s)
- Athanasios Kotoulas
- School of Electrical and Computer Engineering, Biomedical Engineering Laboratory, National Technical University of Athens, Athens, Greece
| | - George Lambrou
- School of Electrical and Computer Engineering, Biomedical Engineering Laboratory, National Technical University of Athens, Athens, Greece
| | - Dimitrios-Dionysios Koutsouris
- School of Electrical and Computer Engineering, Biomedical Engineering Laboratory, National Technical University of Athens, Athens, Greece
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28
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Doxorubicin conjugated AuNP/biopolymer composites facilitate cell cycle regulation and exhibit superior tumor suppression potential in KRAS mutant colorectal cancer. J Biotechnol 2019; 306:149-158. [DOI: 10.1016/j.jbiotec.2019.09.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 09/04/2019] [Accepted: 09/27/2019] [Indexed: 02/07/2023]
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29
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Ji L, Fan X, Zhou F, Gu J, Deng X. lncRNA RPL34‐AS1 inhibits cell proliferation and invasion while promoting apoptosis by competitively binding miR‐3663‐3p/RGS4 in papillary thyroid cancer. J Cell Physiol 2019; 235:3669-3678. [PMID: 31587286 DOI: 10.1002/jcp.29256] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 08/26/2019] [Indexed: 12/30/2022]
Affiliation(s)
- Lili Ji
- Department of Ultrasonography The Affiliated Infectious Disease Hospital of Soochow University Suzhou Jiangsu Province China
| | - Xing Fan
- The Affiliated Suzhou Science & Technology Town Hospital of Nanjing Medical University Suzhou China
| | - Feng Zhou
- Center for Medical Ultrasound The Affiliated Suzhou Hospital of Nanjing Medical University Suzhou China
| | - Jun Gu
- Center for Medical Ultrasound The Affiliated Suzhou Hospital of Nanjing Medical University Suzhou China
| | - Xuedong Deng
- Center for Medical Ultrasound The Affiliated Suzhou Hospital of Nanjing Medical University Suzhou China
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30
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Epithelial-Mesenchymal Transition-Related MicroRNAs and Their Target Genes in Colorectal Cancerogenesis. J Clin Med 2019; 8:jcm8101603. [PMID: 31623346 PMCID: PMC6832722 DOI: 10.3390/jcm8101603] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 09/26/2019] [Accepted: 09/27/2019] [Indexed: 02/06/2023] Open
Abstract
MicroRNAs of the miR-200 family have been shown experimentally to regulate epithelial-mesenchymal transition (EMT). Although EMT is the postulated mechanism of development and progression of colorectal cancer (CRC), there are still limited and controversial data on expression of miR-200 family and their target genes during CRC cancerogenesis. Our study included formalin-fixed paraffin-embedded biopsy samples of 40 patients (10 adenomas and 30 cases of CRC with corresponding normal mucosa). Expression of miR-141, miR-200a/b/c and miR-429 and their target genes (CDKN1B, ONECUT2, PTPN13, RND3, SOX2, TGFB2 and ZEB2) was analysed using quantitative real-time PCR. Expression of E-cadherin was analysed using immunohistochemistry. All miRNAs were down-regulated and their target genes showed the opposite expression in CRC compared to adenoma. Down-regulation of the miR-200 family at the invasive front in comparison to the central part of tumour was observed as well as a correlation of expression of miR-200b, CDKN1B, ONECUT2 and ZEB2 expression to nodal metastases. Expression of the miR-200 family and SOX2 also correlated with E-cadherin staining. These results suggest that the miR-200 family and their target genes contribute to progression of adenoma to CRC, invasive properties and development of metastases. Our results strongly support the postulated hypotheses of partial EMT and intra-tumour heterogeneity during CRC cancerogenesis.
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31
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Assidi M, Gomaa W, Jafri M, Hanbazazh M, Al-Ahwal M, Pushparaj P, Al-Harbi A, Al-Qahtani M, Buhmeida A, Al-Maghrabi J. Prognostic value of Osteopontin (SPP1) in colorectal carcinoma requires a personalized molecular approach. Tumour Biol 2019; 41:1010428319863627. [PMID: 31500540 DOI: 10.1177/1010428319863627] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Stratification of colorectal cancer for better management and tangible clinical outcomes is lacking in clinical practice. To reach this goal, the identification of reliable biomarker(s) is a prerequisite to deliver personalized colorectal cancer theranostics. Osteopontin (SPP1) is a key extracellular matrix protein involved in several pathophysiological processes including cancer progression and metastasis. However, the exact molecular mechanisms regulating its expression, localization, and molecular functions in cancer are still poorly understood. This study was designed to investigate the SPP1 expression profiles in Saudi colorectal cancer patients, and to assess its prognostic value. Hundred thirty-four (134) archival paraffin blocks of colorectal cancer were collected from King Abdulaziz University Hospital, Saudi Arabia. Tissue microarrays were constructed, and automated immunohistochemistry was performed to evaluate SPP1 protein expression patterns in colorectal cancer. About 20% and 23% of our colorectal cancer samples showed high SPP1 cytoplasmic and nuclear expression patterns, respectively. Cytoplasmic SPP1 did not correlate with age, gender, tumor size, and location. However, significant correlations were observed with tumor grade (p = 0.008), tumor invasion (p = 0.01), and distant metastasis (p = 0.04). Kaplan-Meier survival analysis showed a significantly lower recurrence rate in patients with higher SPP1 cytoplasmic expression (p = 0.05). At multivariate analysis, high SPP1 cytoplasmic expression was an independent favorable prognostic marker (p = 0.02). However, nuclear SPP1 expression did not show any prognostic value (p = 0.712). Our results showed a particular SPP1 prognostic relevance that is not in line with most colorectal cancer previous studies that may be attributed to the molecular pathophysiology of our colorectal cancer cohort. Saudi Arabia has both specific genomic makeup and particular environment that could lead to distinctive molecular roots of cancer. SPP1 has several isoforms, tissue localizations and molecular functions, signaling pathways, and downstream molecular functions. Therefore, a more individualized approach for CRC studies and particularly SPP1 prognosis outcomes' assessment is highly recommended toward precision oncology.
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Affiliation(s)
- Mourad Assidi
- Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah, Saudi Arabia.,Medical Technology Department, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Wafaey Gomaa
- Department of Pathology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia.,Department of Pathology, Faculty of Medicine, Minia University, Al Minia, Egypt
| | - Mohammad Jafri
- Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah, Saudi Arabia.,Medical Technology Department, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mehenaz Hanbazazh
- Department of Pathology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mahmoud Al-Ahwal
- Department of Medicine, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Peter Pushparaj
- Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah, Saudi Arabia.,Medical Technology Department, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Asia Al-Harbi
- Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohammed Al-Qahtani
- Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Abdelbaset Buhmeida
- Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Jaudah Al-Maghrabi
- Department of Pathology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia.,Department of Pathology and Laboratory Medicine, King Faisal Specialist Hospital and Research Centre, Jeddah, Saudi Arabia
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32
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LncRNA MIR503HG is downregulated in Han Chinese with colorectal cancer and inhibits cell migration and invasion mediated by TGF-β2. Gene 2019; 713:143960. [PMID: 31278965 DOI: 10.1016/j.gene.2019.143960] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 07/02/2019] [Accepted: 07/02/2019] [Indexed: 12/30/2022]
Abstract
In this study we investigated the role of lncRNA MIR503HG in colorectal cancer (CRC). We found that MIR503HG was downregulated and TGF-β2 was upregulated in CRC included in this study. Low levels of MIR503HG were associated with poor survival of CRC patients within 5 years after admission. MIR503HG and TGF-β2 were inversely correlated in CRC tissues, and in CRC cells, MIR503HG overexpression was accompanied by TGF-β2 downregulation, while TGF-β2 overexpression did not affect MIR503HG. TGF-β2 overexpression mediated the increased migration and invasion rates of CRC cells. MIR503HG overexpression mediated the decreased migration and invasion rates of CRC cells. Moreover, TGF-β2 overexpression reduced the effects of MIR503HG overexpression. Therefore, MIR503HG overexpression inhibits CRC cell migration and invasion mediated by TGF-β2.
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33
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Fedorova MS, Krasnov GS, Lukyanova EN, Zaretsky AR, Dmitriev AA, Melnikova NV, Moskalev AA, Kharitonov SL, Pudova EA, Guvatova ZG, Kobelyatskaya AA, Ishina IA, Slavnova EN, Lipatova AV, Chernichenko MA, Sidorov DV, Popov AY, Kiseleva MV, Kaprin AD, Snezhkina AV, Kudryavtseva AV. The CIMP-high phenotype is associated with energy metabolism alterations in colon adenocarcinoma. BMC MEDICAL GENETICS 2019; 20:52. [PMID: 30967137 PMCID: PMC6454590 DOI: 10.1186/s12881-019-0771-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Background CpG island methylator phenotype (CIMP) is found in 15–20% of malignant colorectal tumors and is characterized by strong CpG hypermethylation over the genome. The molecular mechanisms of this phenomenon are not still fully understood. The development of CIMP is followed by global gene expression alterations and metabolic changes. In particular, CIMP-low colon adenocarcinoma (COAD), predominantly corresponded to consensus molecular subtype 3 (CMS3, “Metabolic”) subgroup according to COAD molecular classification, is associated with elevated expression of genes participating in metabolic pathways. Methods We performed bioinformatics analysis of RNA-Seq data from The Cancer Genome Atlas (TCGA) project for CIMP-high and non-CIMP COAD samples with DESeq2, clusterProfiler, and topGO R packages. Obtained results were validated on a set of fourteen COAD samples with matched morphologically normal tissues using quantitative PCR (qPCR). Results Upregulation of multiple genes involved in glycolysis and related processes (ENO2, PFKP, HK3, PKM, ENO1, HK2, PGAM1, GAPDH, ALDOA, GPI, TPI1, and HK1) was revealed in CIMP-high tumors compared to non-CIMP ones. Most remarkably, the expression of the PKLR gene, encoding for pyruvate kinase participating in gluconeogenesis, was decreased approximately 20-fold. Up to 8-fold decrease in the expression of OGDHL gene involved in tricarboxylic acid (TCA) cycle was observed in CIMP-high tumors. Using qPCR, we confirmed the increase (4-fold) in the ENO2 expression and decrease (2-fold) in the OGDHL mRNA level on a set of COAD samples. Conclusions We demonstrated the association between CIMP-high status and the energy metabolism changes at the transcriptomic level in colorectal adenocarcinoma against the background of immune pathway activation. Differential methylation of at least nine CpG sites in OGDHL promoter region as well as decreased OGDHL mRNA level can potentially serve as an additional biomarker of the CIMP-high status in COAD. Electronic supplementary material The online version of this article (10.1186/s12881-019-0771-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Maria S Fedorova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - George S Krasnov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Elena N Lukyanova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Andrew R Zaretsky
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Alexey A Dmitriev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Nataliya V Melnikova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Alexey A Moskalev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Sergey L Kharitonov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Elena A Pudova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Zulfiya G Guvatova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | | | - Irina A Ishina
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Elena N Slavnova
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Anastasia V Lipatova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Maria A Chernichenko
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Dmitry V Sidorov
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | | | - Marina V Kiseleva
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Andrey D Kaprin
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | | | - Anna V Kudryavtseva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.
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Keum N, Liu L, Hamada T, Qian ZR, Nowak JA, Cao Y, da Silva A, Kosumi K, Song M, Nevo D, Wang M, Chan AT, Meyerhardt JA, Fuchs CS, Wu K, Ogino S, Nishihara R, Zhang X. Calcium intake and colon cancer risk subtypes by tumor molecular characteristics. Cancer Causes Control 2019; 30:637-649. [PMID: 30963391 DOI: 10.1007/s10552-019-01165-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Accepted: 03/28/2019] [Indexed: 12/22/2022]
Abstract
BACKGROUND A preventive potential of high calcium intake against colorectal cancer has been indicated for distal colon cancer, which is inversely associated with high-level CpG island methylator phenotype (CIMP), high-level microsatellite instability (MSI), and BRAF and PIK3CA mutations. In addition, BRAF mutation is strongly inversely correlated with KRAS mutation. We hypothesized that the association between calcium intake and colon cancer risk might vary by these molecular features. METHODS We prospectively followed 88,506 women from the Nurses' Health Study and 47,733 men from the Health Professionals Follow-up Study for up to 30 years. Duplication-method Cox proportional cause-specific hazards regression was used to estimate multivariable hazard ratios (HRs), and 95% confidence intervals (95% CIs) for the associations between calcium intake and the risk of colon cancer subtypes. By Bonferroni correction, the α-level was adjusted to 0.01. RESULTS Based on 853 colon cancer cases, the inverse association between dietary calcium intake and colon cancer risk differed by CIMP status (pheterogeneity = 0.01). Per each 300 mg/day increase in intake, multivariable HRs were 0.84 (95% CI 0.76-0.94) for CIMP-negative/low and 1.12 (95% CI 0.93-1.34) for CIMP-high. Similar differential associations were suggested for MSI subtypes (pheterogeneity = 0.02), with the corresponding HR being 0.86 (95% CI 0.77-0.95) for non-MSI-high and 1.10 (95% CI 0.92-1.32) for MSI-high. No differential associations were observed by BRAF, KRAS, or PIK3CA mutations. CONCLUSION The inverse association between dietary calcium intake and colon cancer risk may be specific to CIMP-negative/low and possibly non-MSI-high subtypes.
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Affiliation(s)
- NaNa Keum
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Building 2, 3rd Floor, 665 Huntington Avenue, Boston, MA, 02115, USA. .,Department of Food Science and Biotechnology, Dongguk University, Goyang, South Korea.
| | - Li Liu
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Building 2, 3rd Floor, 665 Huntington Avenue, Boston, MA, 02115, USA.,Department of Oncologic Pathology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA.,Department of Epidemiology and Biostatistics, and the Ministry of Education Key Lab of Environment and Health, School of Public Health, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China
| | - Tsuyoshi Hamada
- Department of Oncologic Pathology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Zhi Rong Qian
- Department of Oncologic Pathology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Jonathan A Nowak
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Yin Cao
- Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - Annacarolina da Silva
- Department of Oncologic Pathology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Keisuke Kosumi
- Department of Oncologic Pathology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Mingyang Song
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Building 2, 3rd Floor, 665 Huntington Avenue, Boston, MA, 02115, USA.,Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.,Division of Gastroenterology, Massachusetts General Hospital, Boston, MA, USA
| | - Daniel Nevo
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA.,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Molin Wang
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA.,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Andrew T Chan
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.,Division of Gastroenterology, Massachusetts General Hospital, Boston, MA, USA.,Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Jeffrey A Meyerhardt
- Department of Oncologic Pathology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Charles S Fuchs
- Yale Cancer Center, New Haven, CT, USA.,Department of Medicine, Yale School of Medicine, New Haven, CT, USA.,Smilow Cancer Hospital, New Haven, CT, USA
| | - Kana Wu
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Building 2, 3rd Floor, 665 Huntington Avenue, Boston, MA, 02115, USA
| | - Shuji Ogino
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Building 2, 3rd Floor, 665 Huntington Avenue, Boston, MA, 02115, USA.,Department of Oncologic Pathology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA.,Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA.,Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Reiko Nishihara
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Building 2, 3rd Floor, 665 Huntington Avenue, Boston, MA, 02115, USA.,Department of Oncologic Pathology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA.,Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.,Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA.,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Xuehong Zhang
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
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35
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Yamaguchi M, Hankinson O. 2,3,7,8‑tetrachlorodibenzo‑p‑dioxin suppresses the growth of human colorectal cancer cells in vitro: Implication of the aryl hydrocarbon receptor signaling. Int J Oncol 2019; 54:1422-1432. [PMID: 30720065 PMCID: PMC6411353 DOI: 10.3892/ijo.2019.4703] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 12/18/2018] [Indexed: 12/22/2022] Open
Abstract
Human colorectal cancer is the third most common cancer disease with a 5‑year survival rate of 55% in USA in 2016. The investigation to identify novel biomarker factors with molecular classification may provide notable clinical information to prolong the survival of patients with colorectal cancer. The aryl hydrocarbon receptor (AHR) binds the AHR nuclear translocator in the cytoplasm of various types of cells, including liver cells, and then binds to the xenobiotic responsive element on various genes. AHR was initially discovered via its ligand, the polychlorinated hydrocarbon, 2,3,7,8‑tetrachlorodibenzo‑p‑dioxin (TCDD). The present study was undertaken to determine whether TCDD, an agonist of AHR signaling, impacts the growth of RKO human colorectal cancer cells in vitro. Treatment with TCDD (0.1‑100 nM) revealed suppressive effects on colony formation and proliferation of RKO cells, and stimulated death of these cells with subconfluence. These effects of TCDD were abolished by pretreatment with CH223191, an inhibitor of AHR signaling. Western blot analysis demonstrated that TCDD treatment decreased AHR levels and elevated cytochrome P450 family 1 subfamily A member 1 (CYP1A1) levels, indicating a stimulation of AHR signaling. TCDD treatment caused an increase in nuclear factor‑κB p65 and β‑catenin levels, although it did not have an effect on Ras levels. Notably, TCDD treatment increased the levels of p53, retinoblastoma, p21 and regucalcin, which are depressors of carcinogenesis. Additionally, action of TCDD on cell proliferation and death were not revealed in regucalcin‑overexpressing RKO cells, and regucalcin overexpression depressed AHR signaling associated with CYP1A1 expression. Thus, AHR signaling suppresses the growth of colorectal cancer cells, indicating a role as a significant targeting molecule for colorectal cancer.
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Affiliation(s)
- Masayoshi Yamaguchi
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles (UCLA), 700 Tiverton Avenue, Los Angeles, CA 90095‑1732, USA
| | - Oliver Hankinson
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles (UCLA), 700 Tiverton Avenue, Los Angeles, CA 90095‑1732, USA
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36
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Myte R, Gylling B, Häggström J, Häggström C, Zingmark C, Löfgren Burström A, Palmqvist R, Van Guelpen B. Metabolic factors and the risk of colorectal cancer by KRAS and BRAF mutation status. Int J Cancer 2019; 145:327-337. [PMID: 30613980 DOI: 10.1002/ijc.32104] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 11/29/2018] [Accepted: 12/18/2018] [Indexed: 02/06/2023]
Abstract
Factors related to energy metabolism and the metabolic syndrome, such as higher body mass index (BMI), blood glucose, or blood lipids, and blood pressure, are associated with an increased risk of colorectal cancer (CRC). However, CRC is a heterogeneous disease, developing through distinct pathways with differences in molecular characteristics and prognosis, and possibly also in risk factors. For subtypes defined by KRAS and BRAF mutation status, BMI is the only metabolic factor previously studied, with inconsistent findings. We investigated whether associations between BMI, blood glucose, blood lipids, and blood pressure and CRC risk differed by tumor KRAS and BRAF mutation status in 117,687 participants from two population-based cohorts within the Northern Sweden Health and Disease Study (NSHDS). Hazard ratios (HRs) for overall CRC and CRC subtypes by metabolic factors were estimated with Cox proportional hazards regression, using multiple imputation to handle missing exposure and tumor data. During a median follow-up of 15.6 years, we acquired 1,250 prospective CRC cases, of which 766 cases had complete baseline and molecular tumor data. Consistent with previous evidence, higher BMI, total cholesterol, triglyceride levels, and blood pressure were associated with an increased risk of overall CRC (HRs per 1 standard deviation increase: 1.07 to 1.12). These associations were similar regardless of CRC subtype by KRAS and BRAF mutation status (all pheterogeneity > 0.05). The same was true for subtypes based on microsatellite instability status. Poor metabolic health may therefore be a universal mechanism for colorectal cancer, acting across multiple developmental pathways.
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Affiliation(s)
- Robin Myte
- Department of Radiation Sciences, Oncology, Umeå University, Umeå, Sweden
| | - Björn Gylling
- Department of Medical Biosciences, Pathology, Umeå University, Umeå, Sweden
| | - Jenny Häggström
- Department of Statistics, Umeå School of Business and Economics, Umeå University, Umeå, Sweden
| | - Christel Häggström
- Department of Biobank Research, Umeå University, Umeå, Sweden.,Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Carl Zingmark
- Department of Medical Biosciences, Pathology, Umeå University, Umeå, Sweden
| | | | - Richard Palmqvist
- Department of Medical Biosciences, Pathology, Umeå University, Umeå, Sweden
| | - Bethany Van Guelpen
- Department of Radiation Sciences, Oncology, Umeå University, Umeå, Sweden.,Wallenberg Centre for Molecular Medicine, Umeå University, Umeå, Sweden
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37
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Wang Z, Dai WP, Zang YS. Complete response with fluorouracil and irinotecan with a BRAF V600E and EGFR inhibitor in BRAF-mutated metastatic colorectal cancer: a case report. Onco Targets Ther 2019; 12:443-447. [PMID: 30662270 PMCID: PMC6329477 DOI: 10.2147/ott.s180845] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Patients with BRAF (v-Raf murine sarcoma viral oncogene homolog B) V600E-mutated metastatic colorectal cancer (mCRC) have a poor prognosis. The Southwest Oncology Group (SWOG) 1406 study evaluated the efficacy of vemurafenib in combination with irinotecan and cetuximab for simultaneous inhibition of epidermal growth factor receptor (EGFR) and BRAF in patients with BRAFV600E-mutated mCRC. Although the combination achieved higher progression-free survival (PFS) and disease control rates (DCRs), there was no complete response (CR) for the drug combination. In this case report, we report the complete recession of metastasis in a patient treated with irinotecan, cetuximab, vemurafenib, and 5-fluorouracil. CASE PRESENTATION A 44-year-old male patient with hepatitis B was diagnosed with right-sided colon adenocarcinoma. He was treated with capecitabine plus oxaliplatin as postoperative adjuvant chemotherapy for eight cycles with a disease-free survival (DFS) of 1 year before the emergence of peritoneal and pelvic metastases. BRAFV600E mutation was positive and chemotherapy included 12 courses of 5-fluorouracil, vemurafenib, irinotecan, and cetuximab. Complete response with recession of metastases was observed. CONCLUSION The combination of fluorouracil and irinotecan with a BRAFV600E and EGFR inhibitor may have synergistic action, leading to recession of secondary metastases in patients with BRAFV600E-mutated colorectal cancer.
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Affiliation(s)
- Zhan Wang
- Department of Medical Oncology, Changzheng Hospital, Second Military Medical University, Shanghai 200003, China,
| | - Wei-Ping Dai
- Department of Medical Oncology, Changzheng Hospital, Second Military Medical University, Shanghai 200003, China,
| | - Yuan-Sheng Zang
- Department of Medical Oncology, Changzheng Hospital, Second Military Medical University, Shanghai 200003, China,
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38
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Zhang Y, Zhang S, Xia W, Dong Z. Association of cytotoxic T-lymphocyte antigen 4 rs231775 gene polymorphism with colorectal cancer risk. J Cancer Res Ther 2018; 14:S526-S532. [PMID: 29970719 DOI: 10.4103/0973-1482.191065] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Aim of the Study Results on the relationship between cytotoxic T-lymphocyte antigen 4 (CTLA4) +49A/G (rs231775) gene polymorphism and colorectal cancer risk are still debated. This meta-analysis was performed to assess the association between CTLA4 +49A/G and colorectal cancer risk. Materials and Methods The relevant studies were searched from PubMed, Cochrane Library, and China Biological Medicine Database-disc, and eligible investigations were included and synthesized using meta-analysis method. Results Eleven studies were recruited into this meta-analysis for the association of CTLA4 A/G gene polymorphism and colorectal cancer risk, consisting of 1802 colorectal cancer patients and 2939 controls. G allele was a risk factor for the colorectal cancer risk, and AA genotype might be a protective factor against colorectal cancer risk in overall populations (G allele: Odds ratio [OR] = 1.19, 95% confidence interval [CI]: 1.03-1.38, P = 0.02; AA genotype: OR = 0.63, 95% CI: 0.47-0.84, P = 0.002). However, the GG genotype was not associated with colorectal cancer risk in overall populations. Conclusion The association between CTLA4 G allele/AA genotype and colorectal cancer risk was found in this meta-analysis.
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Affiliation(s)
- Yanli Zhang
- Department of Interventional Oncology, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai 200137, China
| | - Suiliang Zhang
- Department of Interventional Oncology, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai 200137, China
| | - Wei Xia
- Department of Interventional Oncology, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai 200137, China
| | - Zhiyong Dong
- Department of Gastrointestinal Surgery, The Affiliated Hospital of Putian University, Putian 351100, China
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39
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Jiang S, Miao D, Wang M, Lv J, Wang Y, Tong J. MiR-30-5p suppresses cell chemoresistance and stemness in colorectal cancer through USP22/Wnt/β-catenin signaling axis. J Cell Mol Med 2018; 23:630-640. [PMID: 30338942 PMCID: PMC6307779 DOI: 10.1111/jcmm.13968] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 09/06/2018] [Accepted: 09/23/2018] [Indexed: 12/15/2022] Open
Abstract
Colorectal cancer (CRC) remains both common and fatal, and its successful treatment is greatly limited by the development of stem cell‐like characteristics (stemness) and chemoresistance. MiR‐30‐5p has been shown to function as a tumor suppressor by targeting the Wnt/β‐catenin signaling pathway, but its activity in CRC has never been assessed. We hypothesized that miR‐30‐5p exerts anti‐oncogenic effects in CRC by regulating the USP22/Wnt/β‐catenin signaling axis. In the present study, we demonstrate that tissues from CRC patients and human CRC cell lines show significantly decreased miR‐30‐5p family expression. After identifying the 3’UTR of USP22 as a potential binding site of miR‐30‐5p, we constructed a luciferase reporter containing the potential miR‐30‐5p binding site and measured the effects on USP22 expression. Western blot assays showed that miR‐30‐5p decreased USP22 protein expression in HEK293 and Caco2 CRC cells. To evaluate the effects of miR‐30‐5p on CRC cell stemness, we isolated CD133 + CRC cells (Caco2 and HCT15). We then determined that, while miR‐30‐5p is normally decreased in CD133 + CRC cells, miR‐30‐5p overexpression significantly reduces expression of stem cell markers CD133 and Sox2, sphere formation, and cell proliferation. Similarly, we found that miR‐30‐5p expression is normally reduced in 5‐fluorouracil (5‐FU) resistant CRC cells, whereas miR‐30‐5p overexpression in 5‐FU resistant cells reduces sphere formation and cell viability. Inhibition of miR‐30‐5p reversed the process. Finally, we determined that miR‐30‐5p attenuates the expression of Wnt/β‐catenin signaling target genes (Axin2 and MYC), Wnt luciferase activity, and β‐catenin protein levels in CRC stem cells.
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Affiliation(s)
- Shixiong Jiang
- Department of Colorectal Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Dazhuang Miao
- Department of Colorectal Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Muhong Wang
- Department of Colorectal Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Jiachen Lv
- Department of Colorectal Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Yihui Wang
- Department of Colorectal Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Jinxue Tong
- Department of Colorectal Surgery, Harbin Medical University Cancer Hospital, Harbin, China
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40
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Pandurangan AK, Divya T, Kumar K, Dineshbabu V, Velavan B, Sudhandiran G. Colorectal carcinogenesis: Insights into the cell death and signal transduction pathways: A review. World J Gastrointest Oncol 2018; 10:244-259. [PMID: 30254720 PMCID: PMC6147765 DOI: 10.4251/wjgo.v10.i9.244] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Revised: 06/05/2018] [Accepted: 06/28/2018] [Indexed: 02/05/2023] Open
Abstract
Colorectal carcinogenesis (CRC) imposes a major health burden in developing countries. It is the third major cause of cancer deaths. Despite several treatment strategies, novel drugs are warranted to reduce the severity of this disease. Adenomatous polyps in the colon are the major culprits in CRC and found in 45% of cancers, especially in patients 60 years of age. Inflammatory polyps are currently gaining attention in CRC, and a growing body of evidence denotes the role of inflammation in CRC. Several experimental models are being employed to investigate CRC in animals, which include the APCmin/+ mouse model, Azoxymethane, Dimethyl hydrazine, and a combination of Dextran sodium sulphate and dimethyl hydrazine. During CRC progression, several signal transduction pathways are activated. Among the major signal transduction pathways are p53, Transforming growth factor beta, Wnt/β-catenin, Delta Notch, Hippo signalling, nuclear factor erythroid 2-related factor 2 and Kelch-like ECH-associated protein 1 pathways. These signalling pathways collaborate with cell death mechanisms, which include apoptosis, necroptosis and autophagy, to determine cell fate. Extensive research has been carried out in our laboratory to investigate these signal transduction and cell death mechanistic pathways in CRC. This review summarizes CRC pathogenesis and the related cell death and signal transduction pathways.
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Affiliation(s)
- Ashok kumar Pandurangan
- Cell Biology Laboratory, Department of Biochemistry, University of Madras, Guindy Campus, Chennai 600025, India
- School of Life sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai 600048, India
| | - Thomas Divya
- Cell Biology Laboratory, Department of Biochemistry, University of Madras, Guindy Campus, Chennai 600025, India
| | - Kalaivani Kumar
- School of Life sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai 600048, India
| | - Vadivel Dineshbabu
- Cell Biology Laboratory, Department of Biochemistry, University of Madras, Guindy Campus, Chennai 600025, India
| | - Bakthavatchalam Velavan
- Cell Biology Laboratory, Department of Biochemistry, University of Madras, Guindy Campus, Chennai 600025, India
| | - Ganapasam Sudhandiran
- Cell Biology Laboratory, Department of Biochemistry, University of Madras, Guindy Campus, Chennai 600025, India
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41
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McGee S, AlGhareeb W, Ahmad C, Armstrong D, Babak S, Berry S, Biagi J, Booth C, Bossé D, Champion P, Colwell B, Finn N, Goel R, Gray S, Green J, Harb M, Hyde A, Jeyakumar A, Jonker D, Kanagaratnam S, Kavan P, MacMillan A, Muinuddin A, Patil N, Porter G, Powell E, Ramjeesingh R, Raza M, Rorke S, Seal M, Servidio-Italiano F, Siddiqui J, Simms J, Smithson L, Snow S, St-Hilaire E, Stuckless T, Tate A, Tehfe M, Thirlwell M, Tsvetkova E, Valdes M, Vickers M, Virik K, Welch S, Marginean C, Asmis T. Eastern Canadian Colorectal Cancer Consensus Conference 2017. Curr Oncol 2018; 25:262-274. [PMID: 30111967 PMCID: PMC6092057 DOI: 10.3747/co.25.4083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The annual Eastern Canadian Gastrointestinal Cancer Consensus Conference 2017 was held in St. John's, Newfoundland and Labrador, 28-30 September. Experts in radiation oncology, medical oncology, surgical oncology, and cancer genetics who are involved in the management of patients with gastrointestinal malignancies participated in presentations and discussion sessions for the purpose of developing the recommendations presented here. This consensus statement addresses multiple topics in the management of gastric, rectal, and colon cancer, including ■ identification and management of hereditary gastric and colorectal cancer (crc);■ palliative systemic therapy for metastatic gastric cancer;■ optimum duration of preoperative radiation in rectal cancer-that is, short- compared with long-course radiation;■ management options for peritoneal carcinomatosis in crc;■ implications of tumour location for treatment and prognosis in crc; and■ new molecular markers in crc.
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Affiliation(s)
- S.F. McGee
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - W. AlGhareeb
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - C.H. Ahmad
- Newfoundland and Labrador— Dr. H. Bliss Murphy Cancer Centre, St. John’s (Ahmad, Armstrong, Powell, Rorke, Seal, Siddiqui, Stuckless); Faculty of Medicine, Memorial University of Newfoundland, St. John’s (Green, Seal, Siddiqui, Tate); Faculty of Surgery, Memorial University of Newfoundland, St. John’s (Kanagaratnam); Eastern Health Authority, St. John’s (MacMillan); Labrador–Grenfell Regional Health Authority, Happy Valley–Goose Bay (Simms, Smithson)
| | - D. Armstrong
- Newfoundland and Labrador— Dr. H. Bliss Murphy Cancer Centre, St. John’s (Ahmad, Armstrong, Powell, Rorke, Seal, Siddiqui, Stuckless); Faculty of Medicine, Memorial University of Newfoundland, St. John’s (Green, Seal, Siddiqui, Tate); Faculty of Surgery, Memorial University of Newfoundland, St. John’s (Kanagaratnam); Eastern Health Authority, St. John’s (MacMillan); Labrador–Grenfell Regional Health Authority, Happy Valley–Goose Bay (Simms, Smithson)
| | - S. Babak
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - S. Berry
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - J. Biagi
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - C. Booth
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - D. Bossé
- Dana–Farber Cancer Institute, Boston, MA, U.S.A
| | - P. Champion
- Prince Edward Island—Prince Edward Island Cancer Treatment Centre, Charlottetown
| | - B. Colwell
- Nova Scotia—qeii Health Sciences Centre, Dalhousie University, Halifax
| | - N. Finn
- New Brunswick—Saint John Regional Hospital, Saint John (Gray); Centre hospitalier universitaire Dr-Georges-L.-Dumont, Moncton (Finn, St-Hilaire); Dr. Everett Chalmers Hospital, Fredericton (Raza); Moncton City Hospital (Harb)
| | - R. Goel
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - S. Gray
- New Brunswick—Saint John Regional Hospital, Saint John (Gray); Centre hospitalier universitaire Dr-Georges-L.-Dumont, Moncton (Finn, St-Hilaire); Dr. Everett Chalmers Hospital, Fredericton (Raza); Moncton City Hospital (Harb)
| | - J. Green
- Newfoundland and Labrador— Dr. H. Bliss Murphy Cancer Centre, St. John’s (Ahmad, Armstrong, Powell, Rorke, Seal, Siddiqui, Stuckless); Faculty of Medicine, Memorial University of Newfoundland, St. John’s (Green, Seal, Siddiqui, Tate); Faculty of Surgery, Memorial University of Newfoundland, St. John’s (Kanagaratnam); Eastern Health Authority, St. John’s (MacMillan); Labrador–Grenfell Regional Health Authority, Happy Valley–Goose Bay (Simms, Smithson)
| | - M. Harb
- New Brunswick—Saint John Regional Hospital, Saint John (Gray); Centre hospitalier universitaire Dr-Georges-L.-Dumont, Moncton (Finn, St-Hilaire); Dr. Everett Chalmers Hospital, Fredericton (Raza); Moncton City Hospital (Harb)
| | - A. Hyde
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - A. Jeyakumar
- Nova Scotia—qeii Health Sciences Centre, Dalhousie University, Halifax
| | - D. Jonker
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - S. Kanagaratnam
- Newfoundland and Labrador— Dr. H. Bliss Murphy Cancer Centre, St. John’s (Ahmad, Armstrong, Powell, Rorke, Seal, Siddiqui, Stuckless); Faculty of Medicine, Memorial University of Newfoundland, St. John’s (Green, Seal, Siddiqui, Tate); Faculty of Surgery, Memorial University of Newfoundland, St. John’s (Kanagaratnam); Eastern Health Authority, St. John’s (MacMillan); Labrador–Grenfell Regional Health Authority, Happy Valley–Goose Bay (Simms, Smithson)
| | - P. Kavan
- Quebec—McGill University Health Centre, Montreal (Kavan, Thirlwell); Centre hospitalier de l’Université de Montréal, Montreal (Tehfé)
| | - A. MacMillan
- Newfoundland and Labrador— Dr. H. Bliss Murphy Cancer Centre, St. John’s (Ahmad, Armstrong, Powell, Rorke, Seal, Siddiqui, Stuckless); Faculty of Medicine, Memorial University of Newfoundland, St. John’s (Green, Seal, Siddiqui, Tate); Faculty of Surgery, Memorial University of Newfoundland, St. John’s (Kanagaratnam); Eastern Health Authority, St. John’s (MacMillan); Labrador–Grenfell Regional Health Authority, Happy Valley–Goose Bay (Simms, Smithson)
| | - A. Muinuddin
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - N. Patil
- Nova Scotia—qeii Health Sciences Centre, Dalhousie University, Halifax
| | - G. Porter
- Nova Scotia—qeii Health Sciences Centre, Dalhousie University, Halifax
| | - E. Powell
- Newfoundland and Labrador— Dr. H. Bliss Murphy Cancer Centre, St. John’s (Ahmad, Armstrong, Powell, Rorke, Seal, Siddiqui, Stuckless); Faculty of Medicine, Memorial University of Newfoundland, St. John’s (Green, Seal, Siddiqui, Tate); Faculty of Surgery, Memorial University of Newfoundland, St. John’s (Kanagaratnam); Eastern Health Authority, St. John’s (MacMillan); Labrador–Grenfell Regional Health Authority, Happy Valley–Goose Bay (Simms, Smithson)
| | - R. Ramjeesingh
- Nova Scotia—qeii Health Sciences Centre, Dalhousie University, Halifax
| | - M. Raza
- New Brunswick—Saint John Regional Hospital, Saint John (Gray); Centre hospitalier universitaire Dr-Georges-L.-Dumont, Moncton (Finn, St-Hilaire); Dr. Everett Chalmers Hospital, Fredericton (Raza); Moncton City Hospital (Harb)
| | - S. Rorke
- Newfoundland and Labrador— Dr. H. Bliss Murphy Cancer Centre, St. John’s (Ahmad, Armstrong, Powell, Rorke, Seal, Siddiqui, Stuckless); Faculty of Medicine, Memorial University of Newfoundland, St. John’s (Green, Seal, Siddiqui, Tate); Faculty of Surgery, Memorial University of Newfoundland, St. John’s (Kanagaratnam); Eastern Health Authority, St. John’s (MacMillan); Labrador–Grenfell Regional Health Authority, Happy Valley–Goose Bay (Simms, Smithson)
| | - M. Seal
- Newfoundland and Labrador— Dr. H. Bliss Murphy Cancer Centre, St. John’s (Ahmad, Armstrong, Powell, Rorke, Seal, Siddiqui, Stuckless); Faculty of Medicine, Memorial University of Newfoundland, St. John’s (Green, Seal, Siddiqui, Tate); Faculty of Surgery, Memorial University of Newfoundland, St. John’s (Kanagaratnam); Eastern Health Authority, St. John’s (MacMillan); Labrador–Grenfell Regional Health Authority, Happy Valley–Goose Bay (Simms, Smithson)
| | - F. Servidio-Italiano
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - J. Siddiqui
- Newfoundland and Labrador— Dr. H. Bliss Murphy Cancer Centre, St. John’s (Ahmad, Armstrong, Powell, Rorke, Seal, Siddiqui, Stuckless); Faculty of Medicine, Memorial University of Newfoundland, St. John’s (Green, Seal, Siddiqui, Tate); Faculty of Surgery, Memorial University of Newfoundland, St. John’s (Kanagaratnam); Eastern Health Authority, St. John’s (MacMillan); Labrador–Grenfell Regional Health Authority, Happy Valley–Goose Bay (Simms, Smithson)
| | - J. Simms
- Newfoundland and Labrador— Dr. H. Bliss Murphy Cancer Centre, St. John’s (Ahmad, Armstrong, Powell, Rorke, Seal, Siddiqui, Stuckless); Faculty of Medicine, Memorial University of Newfoundland, St. John’s (Green, Seal, Siddiqui, Tate); Faculty of Surgery, Memorial University of Newfoundland, St. John’s (Kanagaratnam); Eastern Health Authority, St. John’s (MacMillan); Labrador–Grenfell Regional Health Authority, Happy Valley–Goose Bay (Simms, Smithson)
| | - L. Smithson
- Newfoundland and Labrador— Dr. H. Bliss Murphy Cancer Centre, St. John’s (Ahmad, Armstrong, Powell, Rorke, Seal, Siddiqui, Stuckless); Faculty of Medicine, Memorial University of Newfoundland, St. John’s (Green, Seal, Siddiqui, Tate); Faculty of Surgery, Memorial University of Newfoundland, St. John’s (Kanagaratnam); Eastern Health Authority, St. John’s (MacMillan); Labrador–Grenfell Regional Health Authority, Happy Valley–Goose Bay (Simms, Smithson)
| | - S. Snow
- Nova Scotia—qeii Health Sciences Centre, Dalhousie University, Halifax
| | - E. St-Hilaire
- New Brunswick—Saint John Regional Hospital, Saint John (Gray); Centre hospitalier universitaire Dr-Georges-L.-Dumont, Moncton (Finn, St-Hilaire); Dr. Everett Chalmers Hospital, Fredericton (Raza); Moncton City Hospital (Harb)
| | - T. Stuckless
- Newfoundland and Labrador— Dr. H. Bliss Murphy Cancer Centre, St. John’s (Ahmad, Armstrong, Powell, Rorke, Seal, Siddiqui, Stuckless); Faculty of Medicine, Memorial University of Newfoundland, St. John’s (Green, Seal, Siddiqui, Tate); Faculty of Surgery, Memorial University of Newfoundland, St. John’s (Kanagaratnam); Eastern Health Authority, St. John’s (MacMillan); Labrador–Grenfell Regional Health Authority, Happy Valley–Goose Bay (Simms, Smithson)
| | - A. Tate
- Newfoundland and Labrador— Dr. H. Bliss Murphy Cancer Centre, St. John’s (Ahmad, Armstrong, Powell, Rorke, Seal, Siddiqui, Stuckless); Faculty of Medicine, Memorial University of Newfoundland, St. John’s (Green, Seal, Siddiqui, Tate); Faculty of Surgery, Memorial University of Newfoundland, St. John’s (Kanagaratnam); Eastern Health Authority, St. John’s (MacMillan); Labrador–Grenfell Regional Health Authority, Happy Valley–Goose Bay (Simms, Smithson)
| | - M. Tehfe
- Quebec—McGill University Health Centre, Montreal (Kavan, Thirlwell); Centre hospitalier de l’Université de Montréal, Montreal (Tehfé)
| | - M. Thirlwell
- Quebec—McGill University Health Centre, Montreal (Kavan, Thirlwell); Centre hospitalier de l’Université de Montréal, Montreal (Tehfé)
| | - E. Tsvetkova
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - M. Valdes
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - M. Vickers
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - K. Virik
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - S. Welch
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - C. Marginean
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
| | - T. Asmis
- Ontario—The Ottawa Hospital Cancer Centre, Ottawa (AlGhareeb, Asmis, Goel, Hyde, Jonker, Marginean, McGee, Vickers); Queen’s University and Cancer Centre of Southeastern Ontario, Kingston (Biagi, Booth, Virik); Princess Margaret Cancer Centre, Toronto (Dawson); St. Michael’s Hospital, Toronto (Babak); Sunnybrook Odette Cancer Centre, University of Toronto, Toronto (Berry); Cancer Centre of Southeastern Ontario, Kingston (Mahmud); Queensway Health Centre, Toronto (Muinuddin); Colorectal Cancer Canada, North York (Servidio-Italiano); Grand River Regional Cancer Centre, Kitchener (Tsvetkova, Valdes); London Health Sciences Centre, London (Welch)
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Toyokawa T, Muguruma K, Tamura T, Sakurai K, Amano R, Kubo N, Tanaka H, Yashiro M, Hirakawa K, Ohira M. Comparison of the prognostic impact and combination of preoperative inflammation-based and/or nutritional markers in patients with stage II gastric cancer. Oncotarget 2018; 9:29351-29364. [PMID: 30034622 PMCID: PMC6047670 DOI: 10.18632/oncotarget.25486] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Accepted: 05/07/2018] [Indexed: 12/11/2022] Open
Abstract
Background The aim of this study was to evaluate and compare the prognostic value of preoperative established inflammation-based and/or nutritional markers, C-reactive protein-to-albumin ratio (CAR), neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, Prognostic Nutritional Index (PNI), Glasgow Prognostic Score, and prognostic index in patients with stage II gastric cancer. We then developed a new prognostic index based on the results of our investigation. Methods This study retrospectively reviewed 240 consecutive patients who underwent R0 resection for stage II gastric cancer. Time-dependent receiver operating characteristic curve analyses were performed to assess discrimination ability and to determine optimal cut-off values. Prognostic factors predicting overall survival (OS) were analyzed using Cox proportional hazards models. Results Among inflammation-based and/or nutritional markers, multivariate analyses demonstrated CAR and PNI as independent prognostic factors for OS (hazard ratio (HR) 1.707, 95% confidence interval (CI) 1.016-2.867, p=0.044 and HR 0.415, 95%CI 0.234-0.736, p=0.003, respectively). CAR-PNI score, constructed as the combination of CAR and PNI, was significantly associated with OS, relapse-free survival and cancer-specific survival (p<0.001 each). Multivariate analysis revealed CAR-PNI score as an independent prognostic factor for OS (HR for CAR-PNI score 1: 2.432, 95%CI 1.155-5.118; HR for CAR-PNI score 2: 4.099, 95%CI 1.835-9.157; p=0.002). Conclusions CAR and PNI are independent prognostic factors providing superior prediction of survival compared to other inflammation-based and/or nutritional markers. CAR-PNI score offers a novel and promising prognostic indicator for patients with stage II gastric cancer.
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Affiliation(s)
- Takahiro Toyokawa
- Department of Surgical Oncology, Osaka City University Graduate School of Medicine, Abeno-ku, Osaka 545-8585, Japan
| | - Kazuya Muguruma
- Department of Surgical Oncology, Osaka City University Graduate School of Medicine, Abeno-ku, Osaka 545-8585, Japan
| | - Tatsuro Tamura
- Department of Surgical Oncology, Osaka City University Graduate School of Medicine, Abeno-ku, Osaka 545-8585, Japan
| | - Katsunobu Sakurai
- Department of Gastroenterological Surgery, Osaka City General Hospital, Miyakojima-ku, Osaka 534-0021, Japan
| | - Ryosuke Amano
- Department of Surgical Oncology, Osaka City University Graduate School of Medicine, Abeno-ku, Osaka 545-8585, Japan
| | - Naoshi Kubo
- Department of Gastroenterological Surgery, Osaka City General Hospital, Miyakojima-ku, Osaka 534-0021, Japan
| | - Hiroaki Tanaka
- Department of Surgical Oncology, Osaka City University Graduate School of Medicine, Abeno-ku, Osaka 545-8585, Japan
| | - Masakazu Yashiro
- Department of Surgical Oncology, Osaka City University Graduate School of Medicine, Abeno-ku, Osaka 545-8585, Japan
| | - Kosei Hirakawa
- Department of Surgical Oncology, Osaka City University Graduate School of Medicine, Abeno-ku, Osaka 545-8585, Japan
| | - Masaichi Ohira
- Department of Surgical Oncology, Osaka City University Graduate School of Medicine, Abeno-ku, Osaka 545-8585, Japan
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Yamaguchi M, Osuka S, Murata T. Prolonged survival of patients with colorectal cancer is associated with a higher regucalcin gene expression: Overexpression of regucalcin suppresses the growth of human colorectal carcinoma cells in vitro. Int J Oncol 2018; 53:1313-1322. [PMID: 29956741 DOI: 10.3892/ijo.2018.4458] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 06/12/2018] [Indexed: 11/06/2022] Open
Abstract
Regucalcin plays a crucial role as a regulator of transcriptional signaling activity, and its decreased expression or activity may contribute to the promotion of human carcinogenesis. A higher regucalcin expression in the tumor tissues has been demonstrated to prolong the survival of patients with various types of cancer, including pancreatic cancer, breast cancer, liver cancer and lung adenocarcinoma. The involvement of regucalcin in human colorectal cancer was investigated in the current study. Regucalcin gene expression and the survival data of 62 patients with colorectal cancer were obtained though the Gene Expression Omnibus (GEO) database (GSE12945) for outcome analysis. The data of gene expression revealed that the prolonged survival of patients with colorectal cancer was associated with a higher regucalcin gene expression in tumor tissues. The overexpression of regucalcin suppressed colony formation and proliferation, and induced the death of human colorectal carcinoma RKO cells cultured in a medium containing fetal bovine serum in vitro. Mechanistically, the overexpression of regucalcin induced the G1 and G2/M phase cell cycle arrest of the RKO cells through the suppression of multiple signaling pathways, including Ras, Akt, mitogen-activated protein (MAP) kinase and SAPK/JNK. Of note, the overexpression of regucalcin induced an increase in the levels of the tumor suppressors, p53 and Rb, and the cell cycle inhibitor, p21. Moreover, the levels of the transcription factors, c‑fos, c‑jun, nuclear factor (NF)‑κB p65, β-catenin and signal transducer and activator of transcription 3 (Stat3), were suppressed by the overexpression of regucalcin. On the whole, the findings of this study suggest that regucalcin plays a crucial role as a suppressor in human colorectal cancer, and that the suppressed expression of the regucalcin gene may predispose patients to the promotion of colorectal cancer. The overexpression of regucalcin by gene delivery may thus prove to be a novel therapeutic strategy for colorectal cancer.
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Affiliation(s)
- Masayoshi Yamaguchi
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles (UCLA), Los Angeles, CA 90095-1732, USA
| | - Satoru Osuka
- Department of Neurosurgery, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA 30033, USA
| | - Tomiyasu Murata
- Laboratory of Analytical Neurobiology, Faculty of Pharmacy, Meijo University, Nagoya 468-8503, Japan
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Pellino G, Gallo G, Pallante P, Capasso R, De Stefano A, Maretto I, Malapelle U, Qiu S, Nikolaou S, Barina A, Clerico G, Reginelli A, Giuliani A, Sciaudone G, Kontovounisios C, Brunese L, Trompetto M, Selvaggi F. Noninvasive Biomarkers of Colorectal Cancer: Role in Diagnosis and Personalised Treatment Perspectives. Gastroenterol Res Pract 2018; 2018:2397863. [PMID: 30008744 PMCID: PMC6020538 DOI: 10.1155/2018/2397863] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 04/03/2018] [Accepted: 04/15/2018] [Indexed: 02/08/2023] Open
Abstract
Colorectal cancer (CRC) is the third leading cause of cancer-related deaths worldwide. It has been estimated that more than one-third of patients are diagnosed when CRC has already spread to the lymph nodes. One out of five patients is diagnosed with metastatic CRC. The stage of diagnosis influences treatment outcome and survival. Notwithstanding the recent advances in multidisciplinary management and treatment of CRC, patients are still reluctant to undergo screening tests because of the associated invasiveness and discomfort (e.g., colonoscopy with biopsies). Moreover, the serological markers currently used for diagnosis are not reliable and, even if they were useful to detect disease recurrence after treatment, they are not always detected in patients with CRC (e.g., CEA). Recently, translational research in CRC has produced a wide spectrum of potential biomarkers that could be useful for diagnosis, treatment, and follow-up of these patients. The aim of this review is to provide an overview of the newer noninvasive or minimally invasive biomarkers of CRC. Here, we discuss imaging and biomolecular diagnostics ranging from their potential usefulness to obtain early and less-invasive diagnosis to their potential implementation in the development of a bespoke treatment of CRC.
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Affiliation(s)
- Gianluca Pellino
- Unit of General Surgery, Department of Medical, Surgical, Neurological, Metabolic and Ageing Sciences, Università degli Studi della Campania “Luigi Vanvitelli”, Piazza Miraglia 2, 80138 Naples, Italy
- Colorectal Surgery Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Gaetano Gallo
- Department of Medical and Surgical Sciences, OU of General Surgery, University of Catanzaro, Catanzaro, Italy
- Department of Colorectal Surgery, Clinic S. Rita, Vercelli, Italy
| | - Pierlorenzo Pallante
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council (CNR), Via S. Pansini 5, Naples, Italy
| | - Raffaella Capasso
- Department of Medicine and Health Sciences, University of Molise, Via Francesco de Sanctis 1, 86100 Campobasso, Italy
| | - Alfonso De Stefano
- Department of Abdominal Oncology, Division of Abdominal Medical Oncology, Istituto Nazionale per lo Studio e la Cura dei Tumori, “Fondazione G. Pascale, ” IRCCS, Naples, Italy
| | - Isacco Maretto
- 1st Surgical Clinic, Department of Surgical, Oncological, and Gastroenterological Sciences, University of Padua, Padua, Italy
| | - Umberto Malapelle
- Dipartimento di Sanità Pubblica, Università degli Studi di Napoli Federico II, Naples, Italy
| | - Shengyang Qiu
- Department of Colorectal Surgery, Royal Marsden Hospital, London, UK
| | - Stella Nikolaou
- Department of Colorectal Surgery, Royal Marsden Hospital, London, UK
| | - Andrea Barina
- 1st Surgical Clinic, Department of Surgical, Oncological, and Gastroenterological Sciences, University of Padua, Padua, Italy
| | - Giuseppe Clerico
- Department of Colorectal Surgery, Clinic S. Rita, Vercelli, Italy
| | - Alfonso Reginelli
- Department of Internal and Experimental Medicine, Magrassi-Lanzara, Institute of Radiology, Università degli Studi della Campania “Luigi Vanvitelli”, Piazza Miraglia 2, 80138 Naples, Italy
| | - Antonio Giuliani
- Department of Medicine and Health Sciences “V. Tiberio”, University of Molise, Campobasso, Italy
| | - Guido Sciaudone
- Unit of General Surgery, Department of Medical, Surgical, Neurological, Metabolic and Ageing Sciences, Università degli Studi della Campania “Luigi Vanvitelli”, Piazza Miraglia 2, 80138 Naples, Italy
| | - Christos Kontovounisios
- Department of Colorectal Surgery, Royal Marsden Hospital, London, UK
- Department of Surgery and Cancer, Chelsea and Westminster Hospital Campus, Imperial College London, London, UK
| | - Luca Brunese
- Department of Medicine and Health Sciences, University of Molise, Via Francesco de Sanctis 1, 86100 Campobasso, Italy
| | - Mario Trompetto
- Department of Colorectal Surgery, Clinic S. Rita, Vercelli, Italy
| | - Francesco Selvaggi
- Unit of General Surgery, Department of Medical, Surgical, Neurological, Metabolic and Ageing Sciences, Università degli Studi della Campania “Luigi Vanvitelli”, Piazza Miraglia 2, 80138 Naples, Italy
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Ogino S, Nowak JA, Hamada T, Phipps AI, Peters U, Milner DA, Giovannucci EL, Nishihara R, Giannakis M, Garrett WS, Song M. Integrative analysis of exogenous, endogenous, tumour and immune factors for precision medicine. Gut 2018; 67:1168-1180. [PMID: 29437869 PMCID: PMC5943183 DOI: 10.1136/gutjnl-2017-315537] [Citation(s) in RCA: 128] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 01/02/2018] [Accepted: 01/05/2018] [Indexed: 12/14/2022]
Abstract
Immunotherapy strategies targeting immune checkpoints such as the CTLA4 and CD274 (programmed cell death 1 ligand 1, PD-L1)/PDCD1 (programmed cell death 1, PD-1) T-cell coreceptor pathways are revolutionising oncology. The approval of pembrolizumab use for solid tumours with high-level microsatellite instability or mismatch repair deficiency by the US Food and Drug Administration highlights promise of precision immuno-oncology. However, despite evidence indicating influences of exogenous and endogenous factors such as diet, nutrients, alcohol, smoking, obesity, lifestyle, environmental exposures and microbiome on tumour-immune interactions, integrative analyses of those factors and immunity lag behind. Immune cell analyses in the tumour microenvironment have not adequately been integrated into large-scale studies. Addressing this gap, the transdisciplinary field of molecular pathological epidemiology (MPE) offers research frameworks to integrate tumour immunology into population health sciences, and link the exposures and germline genetics (eg, HLA genotypes) to tumour and immune characteristics. Multilevel research using bioinformatics, in vivo pathology and omics (genomics, epigenomics, transcriptomics, proteomics and metabolomics) technologies is possible with use of tissue, peripheral blood circulating cells, cell-free plasma, stool, sputum, urine and other body fluids. This immunology-MPE model can synergise with experimental immunology, microbiology and systems biology. GI neoplasms represent exemplary diseases for the immunology-MPE model, given rich microbiota and immune tissues of intestines, and the well-established carcinogenic role of intestinal inflammation. Proof-of-principle studies on colorectal cancer provided insights into immunomodulating effects of aspirin, vitamin D, inflammatory diets and omega-3 polyunsaturated fatty acids. The integrated immunology-MPE model can contribute to better understanding of environment-tumour-immune interactions, and effective immunoprevention and immunotherapy strategies for precision medicine.
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Affiliation(s)
- Shuji Ogino
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA,Department of Oncologic Pathology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA,Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, Massachusetts, USA
| | - Jonathan A Nowak
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Tsuyoshi Hamada
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Amanda I Phipps
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA,Department of Epidemiology, University of Washington, Seattle, Washington, USA
| | - Ulrike Peters
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA,Department of Epidemiology, University of Washington, Seattle, Washington, USA
| | - Danny A Milner
- American Society for Clinical Pathology, Chicago, Illinois, USA
| | - Edward L Giovannucci
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA,Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA,Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Reiko Nishihara
- Program in MPE Molecular Pathological Epidemiology, Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA,Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, Massachusetts, USA,Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA,Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Marios Giannakis
- Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, Massachusetts, USA,Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA,Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Wendy S Garrett
- Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, Massachusetts, USA,Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA,Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Mingyang Song
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA,Clinical and Translational Epidemiology Unit, Massachusetts General Hospital, Boston, Massachusetts, USA,Division of Gastroenterology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
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Benelli R, Venè R, Ferrari N. Prostaglandin-endoperoxide synthase 2 (cyclooxygenase-2), a complex target for colorectal cancer prevention and therapy. Transl Res 2018; 196:42-61. [PMID: 29421522 DOI: 10.1016/j.trsl.2018.01.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 12/15/2017] [Accepted: 01/09/2018] [Indexed: 12/16/2022]
Abstract
A plentiful literature has linked colorectal cancer (CRC) to inflammation and prostaglandin-endoperoxide synthase (PTGS)2 expression. Accordingly, several nonsteroidal antiinflammatory drugs (NSAIDs) have been tested often successfully in CRC chemoprevention despite their different ability to specifically target PTGS2 and the low or null expression of PTGS2 in early colon adenomas. Some observational studies showed an increased survival for patients with CRC assuming NSAIDs after diagnosis, but no clinical trial has yet demonstrated the efficacy of NSAIDs against established CRC, where PTGS2 is expressed at high levels. The major limits for the application of NSAIDs, or specific PTGS2 inhibitors, as adjuvant drugs in CRC are (1) a frequent confusion about the physiological role of PTGS1 and PTGS2, reflecting in CRC pathology and therapy; (2) the presence of unavoidable side effects linked to the intrinsic function of these enzymes; (3) the need of established criteria and markers for patient selection; and (4) the evaluation of the immunomodulatory potential of PTGS2 inhibitors as possible adjuvants for immunotherapy. This review has been written to rediscover the multifaceted potential of PTGS2 targeting, hoping it could act as a starting point for a new and more aware application of NSAIDs against CRC.
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Affiliation(s)
- Roberto Benelli
- OU Immunology, Ospedale Policlinico San Martino (Istituto di ricovero e cura a carattere scientifico per l'oncologia), Genoa, Italy.
| | - Roberta Venè
- OU Molecular Oncology & Angiogenesis, Ospedale Policlinico San Martino (Istituto di ricovero e cura a carattere scientifico per l'oncologia), Genoa, Italy
| | - Nicoletta Ferrari
- OU Molecular Oncology & Angiogenesis, Ospedale Policlinico San Martino (Istituto di ricovero e cura a carattere scientifico per l'oncologia), Genoa, Italy
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Myte R, Gylling B, Häggström J, Schneede J, Löfgren-Burström A, Huyghe JR, Hallmans G, Meyer K, Johansson I, Ueland PM, Palmqvist R, Van Guelpen B. One-carbon metabolism biomarkers and genetic variants in relation to colorectal cancer risk by KRAS and BRAF mutation status. PLoS One 2018; 13:e0196233. [PMID: 29694444 PMCID: PMC5919009 DOI: 10.1371/journal.pone.0196233] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 04/09/2018] [Indexed: 12/20/2022] Open
Abstract
Disturbances in one-carbon metabolism, intracellular reactions involved in nucleotide synthesis and methylation, likely increase the risk of colorectal cancer (CRC). However, results have been inconsistent. To explore whether this inconsistency could be explained by intertumoral heterogeneity, we evaluated a comprehensive panel of one-carbon metabolism biomarkers and some single nucleotide polymorphisms (SNPs) in relation to the risk of molecular subtypes of CRC defined by mutations in the KRAS and BRAF oncogenes. This nested case-control study included 488 CRC cases and 947 matched controls from two population-based cohorts in the Northern Sweden Health and Disease Study. We analyzed 14 biomarkers and 17 SNPs in prediagnostic blood and determined KRAS and BRAF mutation status in tumor tissue. In a multivariate network analysis, no variable displayed a strong association with the risk of specific CRC subtypes. A non-synonymous SNP in the CTH gene, rs1021737, had a stronger association compared with other variables. In subsequent univariate analyses, participants with variant rs1021737 genotype had a decreased risk of KRAS-mutated CRC (OR per allele = 0.72, 95% CI = 0.50, 1.05), and an increased risk of BRAF-mutated CRC (OR per allele = 1.56, 95% CI = 1.07, 2.30), with weak evidence for heterogeneity (Pheterogeneity = 0.01). This subtype-specific SNP association was not replicated in a case-case analysis of 533 CRC cases from The Cancer Genome Atlas (P = 0.85). In conclusion, we found no support for clear subtype-specific roles of one-carbon metabolism biomarkers and SNPs in CRC development, making differences in CRC molecular subtype distributions an unlikely explanation for the varying results on the role of one-carbon metabolism in CRC development across previous studies. Further investigation of the CTH gene in colorectal carcinogenesis with regards to KRAS and BRAF mutations or other molecular characteristics of the tumor may be warranted.
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Affiliation(s)
- Robin Myte
- Department of Radiation Sciences, Oncology, Umeå University, Umeå, Sweden
- * E-mail:
| | - Björn Gylling
- Department of Medical Biosciences, Pathology, Umeå University, Umeå, Sweden
| | - Jenny Häggström
- Department of Statistics, Umeå School of Business and Economics, Umeå University, Umeå, Sweden
| | - Jörn Schneede
- Department of Clinical Pharmacology, Pharmacology and Clinical Neurosciences, Umeå University, Umeå, Sweden
| | | | - Jeroen R. Huyghe
- Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America
| | - Göran Hallmans
- Department of Biobank Research, Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | | | | | - Per Magne Ueland
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Laboratory of Clinical Biochemistry, Haukeland University Hospital, Bergen, Norway
| | - Richard Palmqvist
- Department of Medical Biosciences, Pathology, Umeå University, Umeå, Sweden
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Snezhkina AV, Krasnov GS, Zhikrivetskaya SO, Karpova IY, Fedorova MS, Nyushko KM, Belyakov MM, Gnuchev NV, Sidorov DV, Alekseev BY, Melnikova NV, Kudryavtseva AV. Overexpression of microRNAs miR-9, -98, and -199 Correlates with the Downregulation of HK2 Expression in Colorectal Cancer. Mol Biol 2018. [DOI: 10.1134/s0026893318020140] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Buhmeida A, Assidi M, Al-Maghrabi J, Dallol A, Sibiany A, Al-Ahwal M, Chaudhary A, Abuzenadah A, Al-Qahtani M. Membranous or Cytoplasmic HER2 Expression in Colorectal Carcinoma: Evaluation of Prognostic Value Using Both IHC & BDISH. Cancer Invest 2018; 36:129-140. [PMID: 29504811 DOI: 10.1080/07357907.2018.1439054] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Human epidermal growth factor recptor-2 (HER2) was identified as a driver gene in several types of cancers with both prognostic and predictive value. However, the molecular association of HER2 gene mutation with HER2 gene amplification and/or protein expression in cancer tissues has not been clearly defined. Moreover, there is little information available on HER2 status role in tumor progression and metastasis in colorectal carcinoma (CRC) compared to other solid tumors. The aim of this study was to evaluate both HER2 amplification and protein expression profiles using immunohistochemistry (IHC) and bright-field dual in situ hybridization (BDISH) techniques, respectively. PATIENTS AND METHODS Tissue microarray (TMA) was constructed to accommodate a total of 243 CRC formalin-fixed paraffin embedded (FFPE) samples of consent patients and stained by IHC and BDISH methods. The expression patterns of HER2 protein status were evaluated and correlated to HER2 gene amplification status and then assessed for its prognostic value. RESULTS The expression profile of 58% samples showed cytoplasmic expression patterns of different categories. Interestingly, only 1% showed strong (+3) membranous expression pattern of HER2 with perfect match with their corresponding gene amplification status (>2). However, the cytoplasmic HER2 protein status did not show significant correlation with most clinicopathological features and survival outcomes except with age (p = 0.04) and tumor size (p = 0.03). CONCLUSION We demonstrated that the membranous HER2 gene/protein status is infrequent, while the main fraction of HER2 overexpression was cytoplasmic and lacking prognostic value. This cytoplasmic HER2 overexpression was induced through a gene-amplification independent pathway, making the HER2 gene status evaluation approach in those cases not worthy. Further investigations about the molecular pathways of the cytoplasmic HER2 protein in CRC and its associations with survival outcomes are required to allow either a breakthrough in CRC management; or to confirm the hypothesis of a marginal role in CRC onset and progression.
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Affiliation(s)
- Abdelbaset Buhmeida
- a Center of Excellence in Genomic Medicine Research , King Abdulaziz University , Jeddah , Saudi Arabia
| | - Mourad Assidi
- a Center of Excellence in Genomic Medicine Research , King Abdulaziz University , Jeddah , Saudi Arabia.,b KACST Technology Innovation Center in Personalized Medicine , King Abdulaziz University , Jeddah , Saudi Arabia
| | - Jaudah Al-Maghrabi
- c Department of Pathology, Faculty of Medicine , King Abdulaziz University , Jeddah , Saudi Arabia
| | - Ashraf Dallol
- a Center of Excellence in Genomic Medicine Research , King Abdulaziz University , Jeddah , Saudi Arabia.,b KACST Technology Innovation Center in Personalized Medicine , King Abdulaziz University , Jeddah , Saudi Arabia
| | - Abdulrahman Sibiany
- d Department of Surgery, Faculty of Medicine , King Abdulaziz University , Jeddah , Saudi Arabia
| | - Mahmoud Al-Ahwal
- e Department of Internal Medicine, Faculty of Medicine , King Abdulaziz University , Jeddah , Saudi Arabia
| | - Adeel Chaudhary
- a Center of Excellence in Genomic Medicine Research , King Abdulaziz University , Jeddah , Saudi Arabia
| | - Adel Abuzenadah
- a Center of Excellence in Genomic Medicine Research , King Abdulaziz University , Jeddah , Saudi Arabia.,b KACST Technology Innovation Center in Personalized Medicine , King Abdulaziz University , Jeddah , Saudi Arabia
| | - Mohammed Al-Qahtani
- a Center of Excellence in Genomic Medicine Research , King Abdulaziz University , Jeddah , Saudi Arabia
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50
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Luna Coronell JA, Sergelen K, Hofer P, Gyurján I, Brezina S, Hettegger P, Leeb G, Mach K, Gsur A, Weinhäusel A. The Immunome of Colon Cancer: Functional In Silico Analysis of Antigenic Proteins Deduced from IgG Microarray Profiling. GENOMICS PROTEOMICS & BIOINFORMATICS 2018; 16:73-84. [PMID: 29505855 PMCID: PMC6000238 DOI: 10.1016/j.gpb.2017.10.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 10/01/2017] [Accepted: 10/19/2017] [Indexed: 01/16/2023]
Abstract
Characterization of the colon cancer immunome and its autoantibody signature from differentially-reactive antigens (DIRAGs) could provide insights into aberrant cellular mechanisms or enriched networks associated with diseases. The purpose of this study was to characterize the antibody profile of plasma samples from 32 colorectal cancer (CRC) patients and 32 controls using proteins isolated from 15,417 human cDNA expression clones on microarrays. 671 unique DIRAGs were identified and 632 were more highly reactive in CRC samples. Bioinformatics analyses reveal that compared to control samples, the immunoproteomic IgG profiling of CRC samples is mainly associated with cell death, survival, and proliferation pathways, especially proteins involved in EIF2 and mTOR signaling. Ribosomal proteins (e.g., RPL7, RPL22, and RPL27A) and CRC-related genes such as APC, AXIN1, E2F4, MSH2, PMS2, and TP53 were highly enriched. In addition, differential pathways were observed between the CRC and control samples. Furthermore, 103 DIRAGs were reported in the SEREX antigen database, demonstrating our ability to identify known and new reactive antigens. We also found an overlap of 7 antigens with 48 “CRC genes.” These data indicate that immunomics profiling on protein microarrays is able to reveal the complexity of immune responses in cancerous diseases and faithfully reflects the underlying pathology.
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Affiliation(s)
| | - Khulan Sergelen
- Molecular Diagnostics, AIT - Austrian Institute of Technology, A-1190 Vienna, Austria
| | - Philipp Hofer
- Department of Medicine I, Institute of Cancer Research, Comprehensive Cancer Center, Medical University Vienna, A-1090 Vienna, Austria
| | - István Gyurján
- Molecular Diagnostics, AIT - Austrian Institute of Technology, A-1190 Vienna, Austria
| | - Stefanie Brezina
- Department of Medicine I, Institute of Cancer Research, Comprehensive Cancer Center, Medical University Vienna, A-1090 Vienna, Austria
| | - Peter Hettegger
- Molecular Diagnostics, AIT - Austrian Institute of Technology, A-1190 Vienna, Austria
| | - Gernot Leeb
- Hospital Oberpullendorf, A-7350, Oberpullendorf, Austria
| | - Karl Mach
- Hospital Oberpullendorf, A-7350, Oberpullendorf, Austria
| | - Andrea Gsur
- Department of Medicine I, Institute of Cancer Research, Comprehensive Cancer Center, Medical University Vienna, A-1090 Vienna, Austria
| | - Andreas Weinhäusel
- Molecular Diagnostics, AIT - Austrian Institute of Technology, A-1190 Vienna, Austria.
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