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Inflammatory Cytokines Associated with Diagnosis, Tumor Grade and Prognosis in Patients with Neuroendocrine Tumors. J Clin Med 2022; 11:jcm11206191. [PMID: 36294509 PMCID: PMC9604855 DOI: 10.3390/jcm11206191] [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: 07/30/2022] [Revised: 10/05/2022] [Accepted: 10/12/2022] [Indexed: 11/29/2022] Open
Abstract
Background and aims: Inflammatory cytokines represent diagnostic and prognostic biomarkers in manifold cancers. Recent data suggest a pivotal role of these cytokines in different biological processes involved in the development of neuroendocrine tumors (NETs). However, their role as biomarkers in NETs is only poorly understood. Methods: We analyzed serum concentrations of 13 inflammation-related cytokines at different time points in 43 patients with well-differentiated gastroenteropancreatic NETs (G1/G2) treated at Charité Berlin and compared them to 40 healthy controls. The results were correlated with clinical records. Results: Serum concentrations (Median (Interquartile Range (IQR)) in pg/mL) of IL-1β (124 (82) vs. 68 (61) pg/mL; p = 0.0003), IL-6 (111(122) vs. 88 (32) pg/mL; p = 0.0086), IL-8 (1058 (768) vs. 210 (90) pg/mL; p < 0.0001), IL-18 (2936 (1723) vs. 1590 (704) pg/mL; p < 0.0001), and TNF (271 (260) vs. 42 (25) pg/mL; p < 0.0001) were significantly elevated in NET patients, whereas IL-10 (43 (44) vs. 105 (48) pg/mL; p < 0.0001) showed lower concentrations in NETs when compared to controls. Cytokine levels significantly correlated with tumor grade (IL-6; p = 0.0070), prevalence of distant metastasis (IL-18; p = 0.0313), and disease progression over time (IL-10; p = 0.0033) but not tumor location. Chromogranin A (CgA) and the NETest are currently used to monitor treatment response. A more accurate prediction could possibly be achieved by employing a subset of cytokines. Our data clearly warrants further functional investigation into the role of the immune response and cytokine release in NETs. Conclusion: A biologically plausible panel of cytokines might be added to the diagnostic and prognostic tools currently employed in patients with NETs. Combining different markers into a score would elevate diagnostic accuracy compared to single markers.
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Alkanli N, Ay A, Cevik G. Investigation of the roles of IL-18 (-607 C/A) and IL-18 (-137 G/C) gene variations in bladder cancer development: case-control study. J Cancer Res Clin Oncol 2021; 147:3627-3637. [PMID: 34550451 DOI: 10.1007/s00432-021-03808-y] [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: 08/23/2021] [Accepted: 09/15/2021] [Indexed: 11/24/2022]
Abstract
BACKGROUND The purpose of our study is to investigate the roles of IL-18 gene variations in bladder cancer development in Thrace population of Turkey. METHODS This study was carried out with 103 bladder cancer patients and 81 healthy controls. Genotype distributions of IL-18 (-137 G/C) and IL-18 (-607 C/A) gene variations were determined using polymerase chain reaction (PCR) method. RESULTS The CC homozygous genotype for IL-18 (-607 C/A) gene variation was significantly higher in patients with bladder cancer compared to healthy controls (OR 0.345, 95% Cl 0.186-0.639, p = 0.001). Besides this, allele frequencies of IL-18 (-137 G/C) and IL-18 (-607 C/A) gene variations in patient with bladder cancer and healthy control groups were significantly different from the Hardy-Weinberg distribution (p < 0.05). For IL-18 (-137 G/C) and IL-18 (-607 C/A) gene variations, significant difference was determined between the bladder cancer patient and healthy control groups in terms of GC-CA (OR 0.381, 95% Cl 0.203-0.714, p = 0.002), GC-CC (OR 2.147, 95% Cl 1.013-4.550, p = 0.043), GG-AA (OR 0.431, 95% Cl 0.365-0.509, p = 0.049), and GG-CC (OR 2.476, 95% Cl 1.177-5.208, p = 0.015) haplotypes. CONCLUSION In our study, CC genotype of IL-18 (-607 C/A) gene variation was determined as genetic risk factor for bladder cancer development. In bladder cancer patient and healthy control groups, G and C allele frequencies of IL-18 (-137 G/C) gene variation, and C and A allele frequencies of IL-18 (-607 C/A) gene variation were determined significantly different from the Hardy-Weinberg distribution.
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Affiliation(s)
- Nevra Alkanli
- Department of Biophysics, Faculty of Medicine, Haliç University, Istanbul, 34445, Turkey.
| | - Arzu Ay
- Department of Biophysics, Faculty of Medicine, Trakya University, Edirne, 22030, Turkey
| | - Gokhan Cevik
- Department of Urology, Faculty of Medicine, Trakya University, Edirne, 22030, Turkey
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Cozzolino M, Cocco S, Piezzo M, Celia G, Costantini S, Abate V, Capone F, Barberio D, Girelli L, Cavicchiolo E, Ascierto PA, Madonna G, Budillon A, De Laurentiis M. A Psychosocial Genomics Pilot Study in Oncology for Verifying Clinical, Inflammatory and Psychological Effects of Mind-Body Transformations-Therapy (MBT-T) in Breast Cancer Patients: Preliminary Results. J Clin Med 2021; 10:E136. [PMID: 33401546 PMCID: PMC7796278 DOI: 10.3390/jcm10010136] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 12/26/2020] [Accepted: 12/30/2020] [Indexed: 01/12/2023] Open
Abstract
Several studies have highlighted the key role of chronic inflammation in breast cancer development, progression, metastasis, and therapeutic outcome. These processes are mediated through a variety of cytokines and hormones that exert their biological actions either locally or distantly via systemic circulation. Recent findings suggest that positive psychosocial experiences, including psychotherapeutic interventions and therapeutic mind-body protocols, can modulate the inflammatory response by reducing the expression of genes/proteins associated with inflammation and stress-related pathways. Our preliminary results indicate that a specific mind-body therapy (MBT-T) could induce a significant reduction of the release of different cytokines and chemokines, such as SCGFβ, SDF-1α, MCP3, GROα, LIF, and IL-18, in the sera of breast cancer patients compared to a control group, suggesting that MBT-T could represent a promising approach to improve the wellness and outcome of breast cancer patients.
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Affiliation(s)
- Mauro Cozzolino
- Department of Human, Philosophical and Educational Sciences, University of Salerno, 84084 Fisciano (SA), Italy; (M.C.); (G.C.); (L.G.); (E.C.)
| | - Stefania Cocco
- Department of Breast and Thoracic Oncology, Division of Breast Medical Oncology, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, 80131 Naples, Italy; (S.C.); (M.P.)
| | - Michela Piezzo
- Department of Breast and Thoracic Oncology, Division of Breast Medical Oncology, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, 80131 Naples, Italy; (S.C.); (M.P.)
| | - Giovanna Celia
- Department of Human, Philosophical and Educational Sciences, University of Salerno, 84084 Fisciano (SA), Italy; (M.C.); (G.C.); (L.G.); (E.C.)
| | - Susan Costantini
- Experimental Pharmacology Unit—Mercogliano Laboratory, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, 80131 Naples, Italy; (S.C.); (F.C.); (A.B.)
| | - Valentina Abate
- Psychology Unit, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, 80131 Naples, Italy; (V.A.); (D.B.)
| | - Francesca Capone
- Experimental Pharmacology Unit—Mercogliano Laboratory, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, 80131 Naples, Italy; (S.C.); (F.C.); (A.B.)
| | - Daniela Barberio
- Psychology Unit, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, 80131 Naples, Italy; (V.A.); (D.B.)
| | - Laura Girelli
- Department of Human, Philosophical and Educational Sciences, University of Salerno, 84084 Fisciano (SA), Italy; (M.C.); (G.C.); (L.G.); (E.C.)
| | - Elisa Cavicchiolo
- Department of Human, Philosophical and Educational Sciences, University of Salerno, 84084 Fisciano (SA), Italy; (M.C.); (G.C.); (L.G.); (E.C.)
| | - Paolo Antonio Ascierto
- Department Melanoma, Cancer Immunotherapy and Development Therapeutics, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, 80131 Naples, Italy; (P.A.A.); (G.M.)
| | - Gabriele Madonna
- Department Melanoma, Cancer Immunotherapy and Development Therapeutics, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, 80131 Naples, Italy; (P.A.A.); (G.M.)
| | - Alfredo Budillon
- Experimental Pharmacology Unit—Mercogliano Laboratory, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, 80131 Naples, Italy; (S.C.); (F.C.); (A.B.)
| | - Michelino De Laurentiis
- Department of Breast and Thoracic Oncology, Division of Breast Medical Oncology, Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale”, 80131 Naples, Italy; (S.C.); (M.P.)
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Qader G, Aali M, Smail SW, Mahmood K, Hasan B, M-Amen K, Rahman DB, Qadir FA, Mohammad DK, Najmuldeen HH, Rahman FM, Ahmad SI, Salih NS, Khdhr ZM, Mohammed BA, Majeed AM, Hasan XM, Khidhir BH, Muhammad ES, Muhamadsalih BA, Hasan SK, Hamad AJ, Esmail ZK, Ismael CM, Husaen SM, Abdulla CA, Hussen BM, Housein Z, Shekha M, Salihi A. Cardiac, Hepatic and Renal Dysfunction and IL-18 Polymorphism in Breast, Colorectal, and Prostate Cancer Patients. Asian Pac J Cancer Prev 2021; 22:131-137. [PMID: 33507690 PMCID: PMC8184168 DOI: 10.31557/apjcp.2021.22.1.131] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Indexed: 11/25/2022] Open
Abstract
INTRODUCTION The present study aimed to determine the alterations in the serum levels of tumor markers used to evaluate cardiac, renal and liver function, and detect the interleukin (IL)-18 rs1946518 polymorphism in breast (BC), colorectal (CRC) and prostate cancer (PCa) patients. METHODS Blood samples were collected from 65 female BC, 116 CRC, 79 PCa and 88 myocardial infarction (MI) patients, and 110 healthy individuals to determine the concentration of tumor and cardiac markers. Furthermore, the IL-18 rs1946518 polymorphism was assessed using amplification refractory mutation system (ARMS)-PCR. RESULTS The serum levels of the tumor markers cancer antigen 15-3 (CA 15-3), carbohydrate antigen 19-9 (CA 19-9), carcinoembryonic antigen (CEA) and total prostate-specific antigen (TPSA) were significantly increased in cancer patients compared with healthy controls. Furthermore, the activity of high-sensitivity cardiac troponin T (hs-cTnT) and creatine kinase‑myocardial band (CK-MB) was enhanced in MI patients, however, their activity was unchanged in cancer patients. The activity of alkaline phosphatase (ALP), and the serum concentration of aspartate aminotransferase (AST), alanine aminotransferase (ALT) and urea were markedly elevated in CRC and PCa patients, respectively, compared with the control group. Although, no significant differences were observed in the -607 C/A polymorphism and allele frequency of IL-18 among BC, CRC patients and healthy individuals, the odds ratio (OR) was 1.75 for both C and A allele in BC patients. Therefore, the -607 C/A polymorphism could be considered as a risk factor for BC. CONCLUSION The aforementioned results suggested that tumor markers could be considered as excellent biomarkers for the early detection of BC, CRC and PCa, whereas the concentration of liver enzymes could serve as an alternative indicator for the diagnosis of CRC and PCa. Additionally, the rs1946518 polymorphism in the IL-18 gene could be considered as a risk factor for the occurrence of BC, CRC and PCa.<br />.
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Affiliation(s)
- Govand Qader
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Mukhlis Aali
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Shukur W Smail
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq.,Department of Medical Analysis, Faculty of Science, Tishk International University, Erbil, Iraq
| | - Kazhan Mahmood
- Department of Midwifery, College of Nursing, Hawler Medical University, Erbil, Kurdistan Region, Iraq
| | - Bestoon Hasan
- Department of Cancer Registry, Cancer Control Unit, Erbil Directorate of Health, Erbil, Iraq
| | - Karwan M-Amen
- Department of Medical Analysis, Faculty of Science, Tishk International University, Erbil, Iraq.,Department of Nursing, College of Nursing, Hawler Medical University, Erbil, Kurdistan Region, Iraq
| | - Dlzar Bayz Rahman
- Internal Laboratory, Hawler Teaching Hospital, Erbil Directorate of Health, Erbil, Iraq
| | - Fikry A Qadir
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Dara K Mohammad
- College of Agricultural Engineering Sciences, Salahaddin University-Erbil, Erbil, Kurdistan Region, Iraq.,Center for Hematology and Regenerative Medicine (HERM), Department of Medicine Huddinge, Karolinska Institutet, 141 83 Stockholm, Sweden
| | - Hastyar H Najmuldeen
- Department of Biology, College of Science, University of Sulaimani, Kurdistan Region, Iraq.,Medical Laboratory Analysis, Cihan University-Sulaimaniya, Slemani, Iraq
| | - Fryad Majeed Rahman
- Department of Biology, College of Science, University of Sulaimani, Kurdistan Region, Iraq
| | - Seepal Ibrahim Ahmad
- Emergency Hospital, Duhok General Health Directorate, Duhok, Kurdistan Region, Iraq
| | - Nergz S Salih
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Zainab M Khdhr
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Bushra A Mohammed
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Asuda M Majeed
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Xanda M Hasan
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Bushra H Khidhir
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Eman S Muhammad
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Bahar A Muhamadsalih
- Department of Pathological Analysis, Faculty of Science, University of Knowledge, Erbil, Kurdistan Region, Iraq
| | - Simav K Hasan
- Department of Pathological Analysis, Faculty of Science, University of Knowledge, Erbil, Kurdistan Region, Iraq
| | - Aram J Hamad
- Department of Pathological Analysis, Faculty of Science, University of Knowledge, Erbil, Kurdistan Region, Iraq
| | - Zahra K Esmail
- Department of Pathological Analysis, Faculty of Science, University of Knowledge, Erbil, Kurdistan Region, Iraq
| | - Chra M Ismael
- Department of Pathological Analysis, Faculty of Science, University of Knowledge, Erbil, Kurdistan Region, Iraq
| | - Shan M Husaen
- Department of Pathological Analysis, Faculty of Science, University of Knowledge, Erbil, Kurdistan Region, Iraq
| | - Chiavan A Abdulla
- Department of Pathological Analysis, Faculty of Science, University of Knowledge, Erbil, Kurdistan Region, Iraq
| | - Bashdar M Hussen
- College of Pharmacy, Hawler Medical University, Kurdistan Region, Iraq
| | - Zjwan Housein
- Department of Medical Laboratory Technology, Health Technical College, Erbil Polytechnic University, Erbil, Iraq
| | - Mudhir Shekha
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Abbas Salihi
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq.,Department of Nursing, College of Nursing, Hawler Medical University, Erbil, Kurdistan Region, Iraq
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Alehashemi S, Goldbach-Mansky R. Human Autoinflammatory Diseases Mediated by NLRP3-, Pyrin-, NLRP1-, and NLRC4-Inflammasome Dysregulation Updates on Diagnosis, Treatment, and the Respective Roles of IL-1 and IL-18. Front Immunol 2020; 11:1840. [PMID: 32983099 PMCID: PMC7477077 DOI: 10.3389/fimmu.2020.01840] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 07/08/2020] [Indexed: 12/19/2022] Open
Abstract
Recent research has led to novel findings in inflammasome biology and genetics that altered the diagnosis and management of patients with autoinflammatory syndromes caused by NLRP3-, Pyrin-, NLRP1-, and NLRC4-inflammasomes and spurred the development of novel treatments. The use of next-generation sequencing in clinical practice allows for rapid diagnosis and the detection of somatic mutations that cause autoinflammatory diseases. Clinical differences in patients with NLRP3, pyrin, and NLRP1 inflammasomopathies, and the constitutive elevation of unbound free serum IL-18 that predisposes to the development of macrophage activation syndrome (MAS) in patients with gain-of function mutations in NLRC4 led to the screening and the characterization of novel diseases presenting with constitutively elevated serum IL-18 levels, and start to unravel the biology of "high IL-18 states" that translate into the use of biomarkers that improve diagnosis and monitoring of disease activity and investigations of treatments that target IL-18 and IFN-gamma which promise to improve the management and outcome of these conditions. Lastly, advances in structural modeling by cryo-electron microscopy (cryo-EM) of gasdermin, and of NLRP3- and NLRC4-inflammasome assembly, and the characterization of post-translational modifications (PTM) that regulate inflammasome activation, coupled with high-throughput screening (HTS) of libraries of inflammasome-inhibiting compounds, promise a new generation of treatments for patients with inflammasome-mediated diseases.
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Affiliation(s)
- Sara Alehashemi
- Translational Autoinflammatory Diseases Section (TADS), Laboratory of Clinical Immunology and Microbiology (LCIM), National Institutes of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, United States
| | - Raphaela Goldbach-Mansky
- Translational Autoinflammatory Diseases Section (TADS), Laboratory of Clinical Immunology and Microbiology (LCIM), National Institutes of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, United States
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IL-35 and IL-18 Serum Levels in Children With Acute Lymphoblastic Leukemia: The Relationship With Prognostic Factors. J Pediatr Hematol Oncol 2020; 42:281-286. [PMID: 31764513 DOI: 10.1097/mph.0000000000001667] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Acute lymphoblastic leukemia (ALL) is the most common type of cancer among children. In this study, we investigated the serum levels of interleukin (IL)-35 and IL-18 in children with ALL to compare with healthy subjects and find their relationship with prognostic factors and response to therapy. IL-35 and IL-18 serum concentrations in 40 children diagnosed with ALL and 35 age-matched and sex-matched healthy children were measured using ELISA. The association between cytokine levels and patients' clinical and laboratory data were determined. A significant difference was found in IL-35 serum levels between the patients (3.6±1.5 ng/mL) and controls (2.5±1.8 ng/mL) (P=0.007). No significant difference in IL-18 serum levels between these groups was observed. A positive correlation between IL-35 and IL-18 levels was detected (P=0.001). The authors found that patients with lower platelet count had higher IL-35 concentration (P=0.003). By considering a cut-off value of 6.21 ng/mL (mean±2SD of controls) for IL-35, it was found that white blood cell (WBC) count was higher in patients with IL-35 >6.21 ng/mL (P=0.016), and the majority of these patients had T-ALL (P=0.01). Although the mean overall survival in patients with IL-35 >6.21 ng/mL was shorter (937±381 d) than in those with IL-35 ≤6.21 ng/mL (1567±103 d), but the result was not significant (P=0.1, log-rank test). The IL-18 level was associated with a lower hemoglobin level (P=0.027). These data suggested a role for IL-35 in ALL development. The significant relation of IL-35 to white blood cells and platelet counts may imply a possible influence of IL-35 on ALL prognosis.
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El-Deeb MMK, El-Sheredy HG, Mohammed AF. The Possible Role of Interleukin (IL)-18 and Nitrous Oxide and Their Relation to Oxidative Stress in the Development and Progression of Breast Cancer. Asian Pac J Cancer Prev 2019; 20:2659-2665. [PMID: 31554361 PMCID: PMC6976825 DOI: 10.31557/apjcp.2019.20.9.2659] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Indexed: 01/09/2023] Open
Abstract
Background: Cancer breast is the most common malignant tumor in females globally. Mechanisms linking inflammatory cytokines and tumour growth and progression have not been established. Interleukin (IL)-18 has a modifying role in the immune defense against tumor cells. It induces production of IFN-γ. It also increases the immune cells cytotoxic activity and enhances the production of other proinflammatory cytokine. Nitric oxide (NO) has both promoting and inhibiting effects on tumorigenesis. Oxidative stress is a phenomenon that leads to oxidative damage of biomolecules, mutagenesis and carcinogenesis. Objective: The purpose of this research is to identify the potential role of IL18 and NO and their relation to oxidative stress in the development of cancer breast. Patients and Methods: This study included 120 women split into two groups ; control group and patient groups that divided into: group B (30 patients with benign breast tumors), group N (30newly diagnosed cancer breast patients) ; and group M (30 metastatic cancer breast patients). Results: Serum total anti-oxidant capacity was significant high in both cancer breast groups. Total oxidative capacity was significantly higher level in metastatic group. NO levels were significantly higher values in the three cancer breast patients groups compared to control group.IL18 was significantly high in the metastatic group.
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Affiliation(s)
- Mona Mohamed K El-Deeb
- Department of Chemical Pathology, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Heba Gaber El-Sheredy
- Department of Cancer Management and Research, Medical Research Institute, Alexandria University, Alexandria, Egypt.
| | - Ayman Farouk Mohammed
- Department of Surgery, Medical Research Institute, Alexandria University, Alexandria, Egypt
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Tiainen L, Hämäläinen M, Luukkaala T, Tanner M, Lahdenperä O, Vihinen P, Jukkola A, Karihtala P, Moilanen E, Kellokumpu-Lehtinen PL. Low Plasma IL-8 Levels During Chemotherapy Are Predictive of Excellent Long-Term Survival in Metastatic Breast Cancer. Clin Breast Cancer 2019; 19:e522-e533. [DOI: 10.1016/j.clbc.2019.03.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 02/14/2019] [Accepted: 03/16/2019] [Indexed: 10/27/2022]
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9
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Damevska K, França K, Nikolovska S, Gucev F. Adult-onset Still's disease as a cutaneous marker of systemic disease. Clin Dermatol 2019; 37:668-674. [PMID: 31864446 DOI: 10.1016/j.clindermatol.2019.07.034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Adult-onset Still's disease (AOSD) is a rare, systemic, inflammatory disorder characterized by spiking fevers, an evanescent eruption, arthritis, and multiorgan involvement. The disease has been recently classified as a polygenic autoinflammatory disorder at the "crossroads" of autoinflammatory and autoimmune diseases. The highly characteristic salmon-colored eruption is a cutaneous manifestation of a generalized inflammatory reaction and an important diagnostic criterion. In addition to the evanescent eruption, there are atypical persistent papules and plaques in many patients with AOSD. Emerging data suggest that AOSD with this typical evanescent eruption has a different clinicopathologic presentation and clinical course than AODS with atypical cutaneous manifestations. It appears that there are two subtypes of AOSD with different immunologic profiles, including (1) a systemic disease with high fever, organ involvement, and elevated levels of ferritin, and (2) a chronic disease course with arthritis as the predominant finding. These observations provide novel insight into the disease pathogenesis, suggesting that the underlying mechanisms might differ between these two forms, partially explaining the reported differences in drug response. Recent advances in the understanding of AOSD are summarized with a focus on the spectrum of cutaneous manifestations and its relationship to systemic inflammation.
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Affiliation(s)
- Katerina Damevska
- University Clinic of Dermatology, Ss Cyril and Methodius University, Skopje, Macedonia.
| | - Katlein França
- Department of Dermatology and Cutaneous Surgery, Department of Psychiatry and Behavioral Sciences, Institute for Bioethics and Health Policy, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Suzana Nikolovska
- University Clinic of Dermatology, Ss Cyril and Methodius University, Skopje, Macedonia
| | - Filip Gucev
- Univeristy Clinic of Rheumatology, Ss Cyriland Methodius University, Skopje, Macedonia
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Van Gorp H, Lamkanfi M. The emerging roles of inflammasome-dependent cytokines in cancer development. EMBO Rep 2019; 20:embr.201847575. [PMID: 31101676 DOI: 10.15252/embr.201847575] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 02/02/2019] [Accepted: 04/30/2019] [Indexed: 12/24/2022] Open
Abstract
In addition to the genomic alterations that occur in malignant cells, the immune system is increasingly appreciated as a critical axis that regulates the rise of neoplasms and the development of primary tumours and metastases. The interaction between inflammatory cell infiltrates and stromal cells in the tumour microenvironment is complex, with inflammation playing both pro- and anti-tumorigenic roles. Inflammasomes are intracellular multi-protein complexes that act as key signalling hubs of the innate immune system. They respond to cellular stress and trauma by promoting activation of caspase-1, a protease that induces a pro-inflammatory cell death mode termed pyroptosis along with the maturation and secretion of the pro-inflammatory cytokines interleukin (IL)-1β and IL-18. Here, we will briefly introduce inflammasome biology with a focus on the dual roles of inflammasome-produced cytokines in cancer development. Despite emerging insight that inflammasomes may promote and suppress cancer development according to the tumour stage and the tumour microenvironment, much remains to be uncovered. Further exploration of inflammasome biology in tumorigenesis should enable the development of novel immunotherapies for cancer patients.
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Affiliation(s)
- Hanne Van Gorp
- Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium.,Center for Inflammation Research, VIB, Ghent, Belgium
| | - Mohamed Lamkanfi
- Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium .,Janssen Immunosciences, World Without Disease Accelerator, Pharmaceutical Companies of Johnson & Johnson, Beerse, Belgium
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11
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Chang WS, Shen TC, Yeh WL, Yu CC, Lin HY, Wu HC, Tsai CW, Bau DT. Contribution of Inflammatory Cytokine Interleukin-18 Genotypes to Renal Cell Carcinoma. Int J Mol Sci 2019; 20:ijms20071563. [PMID: 30925760 PMCID: PMC6479470 DOI: 10.3390/ijms20071563] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 03/26/2019] [Accepted: 03/26/2019] [Indexed: 12/21/2022] Open
Abstract
Interleukin-18 (IL-18) is a multi-functional immuno-mediator in the development and progression of many types of infectious and inflammatory diseases. In this study, we evaluated the contribution of IL-18 genotypes to renal cell carcinoma (RCC) in Taiwan via the genotyping of IL-18 -656 (A/C), -607 (A/C), and -137 (G/C). Moreover, we analyzed their interactions with smoking, alcohol drinking, hypertension, and diabetes status. The results showed an association of the AC and CC genotypes of IL-18 -607 with a significant decrease in the risk of RCC compared with the AA genotype (odds ratio (OR) = 0.44 and 0.35, 95% confidence interval (CI) = 0.27⁻0.72 and 0.18⁻0.66, p = 0.0008 and 0.0010, respectively). Furthermore, a significantly lower frequency of the C allele at -607 was observed in the RCC group (35.3% vs. 49.8%; OR = 0.53; 95% CI = 0.35⁻0.71, p = 0.0003). However, IL-18 -656 and -137 did not exhibit a likewise differential distribution of these genotypes between the control and case groups. Stratifying the population according to smoking, alcohol drinking, hypertension, and diabetes status revealed a different distribution of IL-18 -607 genotypes among non-smokers, non-drinkers, and patients without diabetes, but not among smokers, drinkers, or patients with diabetes. These findings suggest that IL-18 -607 genotypes may play a role in the etiology and progression of RCC in Taiwan and may serve as a useful biomarker for early detection.
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Affiliation(s)
- Wen-Shin Chang
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
| | - Te-Chun Shen
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
| | - Wei-Lan Yeh
- Institute of New Drug Development, China Medical University, Taichung 40402, Taiwan.
| | - Chien-Chih Yu
- School of Pharmacy, China Medical University, Taichung 40402, Taiwan.
| | - Hui-Yi Lin
- School of Pharmacy, China Medical University, Taichung 40402, Taiwan.
| | - Hsi-Chin Wu
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
- School of Medicine, China Medical University, Taichung 40402, Taiwan.
| | - Chia-Wen Tsai
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
| | - Da-Tian Bau
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40402, Taiwan.
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung 41354, Taiwan.
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Huang CY, Chang WS, Tsai CW, Hsia TC, Shen TC, Bau DT, Shui HA. Interleukin-18 promoter genotype is associated with the risk of nasopharyngeal carcinoma in Taiwan. Cancer Manag Res 2018; 10:5199-5207. [PMID: 30464617 PMCID: PMC6217138 DOI: 10.2147/cmar.s179367] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Background The incidence rate of nasopharyngeal carcinoma (NPC) has been documented to be high in Southeast Asia. Interleukin-18 (IL-18) is a multifunctional cytokine that augments interferon-γ production and acts as an important immunomediator in the development of several types of cancer. Patients and methods This case-control study evaluated the role of IL-18 in NPC at the DNA level by genotyping its promoter polymorphisms at positions -656, -607, and -137 in a Taiwanese population. A total of 176 patients with NPC and age- and gender-matched 352 noncancer controls were included in this study. Results The CC genotype of the IL-18-607 polymorphism was found to be associated with significantly decreased risks of NPC compared to the AA genotype (crude OR =0.50, 95% CI =0.29-0.84, P=0.0093). This significant difference persisted even in the dominant and recessive models. A significantly lower C allele frequency at position -607 was detected in the NPC group(41.8% vs 50.3%; OR =0.77; 95% CI =0.63-1.04, P=0.0089). Regarding IL-18-656 and -137 polymorphisms, there were no differential distributions of their genotypes between the NPC and control groups. After substratification of the subjects according to their smoking, alcohol consumption, and areca chewing status, the genotype distribution of the IL-18-607 polymorphism was found to be different only among nonsmokers between the NPC and control subgroups. Conclusion This study suggests that IL-18 plays an important role in the carcinogenesis of NPC in Taiwan and that the genotype-phenotype correlation of IL-18-607 polymorphism and its contribution to NPC need to be investigated further.
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Affiliation(s)
- Chung-Yu Huang
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan.,Taoyuan Armed Forces General Hospital, Taoyuan, Taiwan
| | - Wen-Shin Chang
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan,
| | - Chia-Wen Tsai
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan,
| | - Te-Chun Hsia
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan,
| | - Te-Chun Shen
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan,
| | - Da-Tian Bau
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan, .,Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan, .,Department of Bioinformatics and Medical Engineering, Asia University, Taichung, Taiwan,
| | - Hao-Ai Shui
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan
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Fukuoka K, Miyamoto A, Ozawa Y, Ikegaya N, Maesono T, Komagata Y, Kaname S, Arimura Y. Adult-onset Still's disease-like manifestation accompanied by the cancer recurrence after long-term resting state. Mod Rheumatol 2016; 29:704-707. [PMID: 27846765 DOI: 10.1080/14397595.2016.1259547] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A 72-year-old woman presented 9 months ago with skin rash on her bilateral forearms, which was followed by intermittent high fever, and stiffness and swelling of her bilateral fingers. She was diagnosed with seronegative rheumatoid arthritis (RA). She had a past history of breast cancer and had undergone breast preservation surgery 13 years previously. During admission in our hospital, she developed high fever and leukocytosis with a relapsing skin rash, sore throat, polyarthralgia and increased levels of serum ALT/AST and ferritin, all of which fulfilled Yamaguchi's criteria for adult-onset Still's disease (AOSD). While we tried to exclude other diseases that may show AOSD-like manifestations, pancytopenia rapidly developed and bone marrow biopsy strongly suggested the diagnosis of macrophage activating syndrome (MAS). Accordingly, steroid pulse therapy was begun, followed by oral glucocorticoid therapy. Thereafter, all of her symptoms improved, but systemic rash, inflammatory signs and pancytopenia gradually progressed. The results of bone marrow pathology, which returned 2 weeks after the beginning of treatment, revealed hemophagocytosis with CK7-positive/CK20-negative atypical cells that suggested recurrence of breast cancer in the bone marrow, thus all of her AOSD-like symptoms were considered to be paraneoplastic manifestations of late-onset metastatic breast cancer. She was treated successfully with chemotherapy. When we see the patients showing AOSD-like symptoms with a history of malignancy, we should consider the possibility of paraneoplastic syndrome due to cancer recurrence.
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Affiliation(s)
- Kazuhito Fukuoka
- a The First Department of Internal Medicine, Division of Rheumatology and Nephrology , Kyorin University School of Medicine , Tokyo , Japan
| | - Ayako Miyamoto
- a The First Department of Internal Medicine, Division of Rheumatology and Nephrology , Kyorin University School of Medicine , Tokyo , Japan
| | - Yuko Ozawa
- a The First Department of Internal Medicine, Division of Rheumatology and Nephrology , Kyorin University School of Medicine , Tokyo , Japan
| | - Noriko Ikegaya
- a The First Department of Internal Medicine, Division of Rheumatology and Nephrology , Kyorin University School of Medicine , Tokyo , Japan
| | - Tomohiro Maesono
- a The First Department of Internal Medicine, Division of Rheumatology and Nephrology , Kyorin University School of Medicine , Tokyo , Japan
| | - Yoshinori Komagata
- a The First Department of Internal Medicine, Division of Rheumatology and Nephrology , Kyorin University School of Medicine , Tokyo , Japan
| | - Shinya Kaname
- a The First Department of Internal Medicine, Division of Rheumatology and Nephrology , Kyorin University School of Medicine , Tokyo , Japan
| | - Yoshihiro Arimura
- a The First Department of Internal Medicine, Division of Rheumatology and Nephrology , Kyorin University School of Medicine , Tokyo , Japan
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Aurelian L, Bollino D, Colunga A. The oncolytic virus ΔPK has multimodal anti-tumor activity. Pathog Dis 2016; 74:ftw050. [PMID: 27242376 DOI: 10.1093/femspd/ftw050] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2016] [Indexed: 02/07/2023] Open
Abstract
Oncolytic viruses (OVs) are an emerging cancer therapeutic, with a near complete absence of serious adverse effects. However, clinical efficacy is relatively modest, related to poor tumor penetration, failure to lyse cancer stem cells (CSCs) and blockade of immunogenic cell death by the immunosuppressive tumor microenvironment. To overcome such limitations, we developed an OV (known as ΔPK) with multimodal anti-tumor activity. ΔPK has potent anti-tumor activity both in melanoma cell lines and xenograft animal models, associated with virus replication and the induction of multiple independent programmed cell death pathways. It lyses CSCs through autophagy modulation and it reverses the immunosuppressive tumor microenvironment by altering the balance of cytokines secreted by the tumor cells. This includes decreased tumor cell secretion of the immunosuppressive and procancerous cytokines IL-10 and IL-18 and concomitant increased secretion of the proinflammatory cytokines TNF-α, GM-CSF, IL-6 and IL-1β. ΔPK also upregulates the NKG2D ligand, MICA expressed by cytotoxic NK and T cells, and downregulates the negative immune checkpoint regulator cytotoxic T-lymphocyte antigen-4 (CTLA-4). ΔPK is well tolerated in human patients in whom it also alters the Th1/Th2 balance. Further studies are designed to elucidate the role of these contributions in different tumor types.
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Affiliation(s)
- Laure Aurelian
- Department of Microbiology and Pharmacology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Dominique Bollino
- Department of Microbiology and Pharmacology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Aric Colunga
- Department of Microbiology and Pharmacology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
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Quantitative measurement of iNOS expression in melanoma, nasopharyngeal, colorectal, and breast tumors of Tunisian patients: comparative study and clinical significance. Tumour Biol 2015; 37:5153-64. [PMID: 26547585 DOI: 10.1007/s13277-015-4303-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Accepted: 10/20/2015] [Indexed: 01/11/2023] Open
Abstract
Chronic inflammation increases the risk of development of human malignancies. iNOS is an enzyme dominantly expressed during inflammatory reactions and seems to play a critical role in tumorigenesis. Our aim was to assess the iNOS expression in four types of human tumors: breast, colorectal, nasopharyngeal, and melanoma, of Tunisian patients. The level of iNOS was measured by RT-QPCR in tumor specimens. We showed that the expression of iNOS was higher in breast compared to colorectal and nasopharyngeal tumors, whereas in melanoma, the level of iNOS expression was low. Significant associations were found when comparing the iNOS expression in cancers pairs such as melanoma versus colorectal (p < 0.0001), colorectal versus nasopharyngeal (p = 0.0072), and melanoma versus breast (p < 0.0001). Furthermore, iNOS expression correlated with the Breslow thickness, Clark level, and histological subtype in melanoma, while in nasopharyngeal carcinoma, significant association was seen with age at diagnosis, TNM, metastasis, response to treatment, and expression of COX-2. Furthermore, the expression of iNOS correlated with tumor size, TNM, tumor location, and histological type in colorectal cancer, and with tumor size, tumor stage, SBR grade, and triple negative cases in breast cancer. On the other hand, immunohistochemistry analysis shows that the expression of iNOS is observed in the stroma and tumor cells as well. Overall, our results highlight that iNOS is a reliable marker for advanced stage and aggressive behavior for the four types of cancer and might be a potential promising therapeutic target.
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16
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Taheri M, Hashemi M, Eskandari-Nasab E, Fazaeli A, Arbabi F, Bahrani-Zeidabadi M, Bahari G. Association of –607 C/A Polymorphism of IL-18 Gene (rs1946518) with Breast Cancer Risk in Zahedan, Southeast Iran. Prague Med Rep 2015; 113:217-22. [DOI: 10.14712/23362936.2015.19] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
It is known that interleukin-18 (IL-18) is a proinflammatory cytokine with dual effects on tumor development and progression. It can increase the immune defense against tumor cells. Polymorphisms in the IL-18 genes are known to influence both expression levels and may be associated with outcome of cancers. This study was aimed to find out the possible association of IL-18 polymorphism at position –607 C/A (rs1946518) with breast cancer in a sample of Iranian population. We investigated IL-18 rs1946518 polymorphism on 72 breast cancer patients and 93 cancer free women. Genotyping was done using amplification refractory mutation system-PCR (ARMS-PCR). We found no significant differences between breast cancer patients and control subjects regarding IL-18 rs1946518 polymorphism (χ2=1.78, p=0.411). In conclusion, our finding showed that IL-18 rs1946518 polymorphism was not associated with breast cancer in a sample of Iranian population.
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Yang Y, Cheon S, Jung MK, Song SB, Kim D, Kim HJ, Park H, Bang SI, Cho D. Interleukin-18 enhances breast cancer cell migration via down-regulation of claudin-12 and induction of the p38 MAPK pathway. Biochem Biophys Res Commun 2015; 459:379-86. [PMID: 25727011 DOI: 10.1016/j.bbrc.2015.02.108] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Accepted: 02/19/2015] [Indexed: 10/23/2022]
Abstract
Interleukin-18 (IL-18) was recently reported to have a pro-tumor effect in various cancers. Increased IL-18 levels in the serum of cancer patients correlated with malignancy, and IL-18 acts a crucial factor for cell migration in gastric cancer and melanoma. Claudins, which are the most important tight junction proteins, are also linked with cancer progression and metastasis. However, the relationship between claudins and IL-18 is not well-understood. Here, we show that the migratory ability of MCF-7 cells was reduced when endogenous IL-18 expression was inhibited with IL-18 siRNA. Moreover, exogenous IL-18 enhanced breast cancer cell migration and suppressed the expression of the tight junction proteins claudin-1, claudin-3, claudin-4, and claudin-12 in MCF-7 cells. Knockdown of claudin-3, claudin-4, and claudin-12, but not claudin-1, increased breast cancer migration with maximal effects observed in claudin-12 siRNA-transfected cells. To investigate whether the mitogen-activated protein kinase (MAPK) signaling pathway is involved in IL-18-induced cell migration and claudin-12 expression, cells were pretreated with SB203580 (an inhibitor of p38 MAPK) or PD98059 (an inhibitor of ERK1/2) prior to the addition of IL-18. Although pretreatment of MCF-7 cells with SB203580 blocked both the enhanced cell migration and the decreased claudin-12 expression, PD98059 only blocked cell migration and did not affect claudin-12 expression. In addition, exogenous IL-18 induced rapid phosphorylation of p38 MAPK. These results suggest that IL-18 is an important factor inducing breast cancer cell migration through down-regulation of claudin-12 and activation of the p38 MAPK pathway.
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Affiliation(s)
- Yoolhee Yang
- Department of Plastic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Soyoung Cheon
- Department of Life Science, Sookmyung Women's University, Seoul, Republic of Korea
| | - Min Kyung Jung
- Department of Life Science, Sookmyung Women's University, Seoul, Republic of Korea
| | - Seok Bean Song
- Department of Life Science, Sookmyung Women's University, Seoul, Republic of Korea
| | - Daejin Kim
- Department of Anatomy, College of Medicine, Chung Ang University, Seoul, Republic of Korea
| | - Hee Jung Kim
- Department of Dermatology, St Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea
| | - Hyunjeong Park
- Department of Dermatology, St Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sa Ik Bang
- Department of Plastic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
| | - Daeho Cho
- Department of Life Science, Sookmyung Women's University, Seoul, Republic of Korea.
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Fabbi M, Carbotti G, Ferrini S. Context-dependent role of IL-18 in cancer biology and counter-regulation by IL-18BP. J Leukoc Biol 2014; 97:665-75. [DOI: 10.1189/jlb.5ru0714-360rr] [Citation(s) in RCA: 101] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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Tobacco exposure by various modes may alter proinflammatory (IL-12) and anti-inflammatory (IL-10) levels and affects the survival of prostate carcinoma patients: an explorative study in North Indian population. BIOMED RESEARCH INTERNATIONAL 2014; 2014:158530. [PMID: 25177683 PMCID: PMC4142285 DOI: 10.1155/2014/158530] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Revised: 07/07/2014] [Accepted: 07/21/2014] [Indexed: 12/15/2022]
Abstract
Objective. Inflammation is an important hallmark of all cancers and net inflammatory response is determined by a delicate balance between pro- and anti-inflammatory cytokines, which may be affected by tobacco exposure, so the present study was designed to explore the effect of various modes of tobacco exposure on interleukin-12 (IL-12) and interleukin-10 (IL-10) inflammatory cytokine levels and survival in prostate carcinoma (PCa) patients. Methods. 285 cancer patients and equal controls with 94 BPH (benign prostatic hyperplasia) were recruited; baseline levels of serum IL-12 and IL-10 were measured and analyzed in various tobacco exposed groups by appropriate statistical tool. Five-year survivals of patients were analyzed by Log-rank (Mantel-Cox) test (graph pad version 5). Results. The expression of serum proinflammatory (IL-12) and anti-inflammatory (IL-10) cytokines was correlated with tobacco exposed group as smokers, chewers, and alcohol users have shown significantly higher levels (P < 0.001) with significantly lower median survivals (27.1 months, standard error = 2.86, and 95% CI: 21.4–32.62); than nonusers. Stages III and IV of tobacco addicted patients have also shown significantly increased levels of IL-12 and IL-10. Conclusions. IL-12 and IL-10 seem to be affected by various modes of tobacco exposure and inflammation also affects median survival of cancer patients.
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Yalçın S, Mutlu P, Çetin T, Sarper M, Özgür G, Avcu F. The -137G/C Polymorphism in Interleukin-18 Gene Promoter Contributes to Chronic Lymphocytic and Chronic Myelogenous Leukemia Risk in Turkish Patients. Turk J Haematol 2014; 32:311-6. [PMID: 26376814 PMCID: PMC4805319 DOI: 10.4274/tjh.2014.0126] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Objective: Interleukin-18 (IL-18) is a cytokine that belongs to the IL-1 superfamily and is secreted by various immune and nonimmune cells. Evidence has shown that IL-18 has both anticancer and procancer effects. The aim of this study was to evaluate the relationship between IL-18 gene polymorphisms and susceptibility to chronic lymphocytic leukemias (CLL) and chronic myelogenous leukemias (CML) in Turkish patients. Materials and Methods: The frequencies of polymorphisms (rs61667799(G/T), rs5744227(C/G), rs5744228(A/G), and rs187238(G/C)) were studied in 20 CLL patients, 30 CML patients, and 30 healthy individuals. The genotyping was performed by polymerase chain reaction and DNA sequencing analysis. Results: Significant associations were detected between the IL-18 rs187238(G/C) polymorphism and chronic leukemia. A higher prevalence of the C allele was found in CML cases with respect to controls. The GC heterozygous and CC homozygous genotypes were associated with risk of CML when compared with controls. However, prevalence of the C allele was not significantly high in CLL cases with respect to controls. There was only a significant difference between the homozygous CC genotype of CLL patients and the control group; thus, it can be concluded that the CC genotype may be associated with the risk of CLL. Based on our data, there were no significant associations between the IL-18 rs61667799(G/T), rs5744227(C/G), or rs5744228(A/G) polymorphisms and CLL or CML. Conclusions: IL-18 gene promoter rs187238(G/C) polymorphism is associated with chronic leukemia in the Turkish population. However, due to the limited number of studied patients, these are preliminary results that show the association between -137G/C polymorphism and patients (CLL and CML). Further large-scale studies combined with haplotype and expression analysis are required to validate the current findings.
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Affiliation(s)
- Serap Yalçın
- Ahi Evran University Faculty of Engineering and Architecture, Kırşehir, Turkey Phone: +90 386 280 38 08 E-mail:
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Expression of IL-18, IL-18 binding protein, and IL-18 receptor by normal and cancerous human ovarian tissues: possible implication of IL-18 in the pathogenesis of ovarian carcinoma. Mediators Inflamm 2014; 2014:914954. [PMID: 24963217 PMCID: PMC4052106 DOI: 10.1155/2014/914954] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Accepted: 04/15/2014] [Indexed: 12/17/2022] Open
Abstract
Proinflammatory cytokine IL-18 has been shown to be elevated in the sera of ovarian carcinoma patients. The aim of the study was to examine the levels and cellular origin of IL-18, IL-18 binding protein, and IL-18 receptor in normal and cancerous ovarian tissues. Ovarian tissue samples were examined by immunohistochemical staining for IL-18, IL-18BP, and IL-18R and mRNA of these cytokines was analyzed with semiquantitative PT-PCR. IL-18 levels were significantly higher in cancerous ovarian tissues (P = 0.0007), IL-18BP levels were significantly higher in normal ovarian tissues (P = 0.04), and the ratio of IL-18/IL-18BP was significantly higher in cancerous ovarian tissues (P = 0.036). Cancerous ovarian tissues expressed significantly higher IL-18 mRNA levels (P = 0.025), while there was no difference in the expression of IL-18BP mRNA and IL-18R mRNA between cancerous and normal ovarian tissues. IL-18 and IL-18BP were expressed dominantly in the epithelial cells of both cancerous and normal ovarian tissues, while IL-18R was expressed dominantly in the epithelial cells of cancerous ovarian tissues but expressed similarly in the epithelial and stromal cells of normal cancerous tissues. This study indicates a possible role of IL-18, IL-18BP, and IL-18R in the pathogenesis of epithelial ovarian carcinoma.
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Pseudomaladie de Still et néoplasie : une observation de mélanome et revue de la littérature. Rev Med Interne 2014; 35:60-4. [DOI: 10.1016/j.revmed.2013.02.014] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2012] [Accepted: 02/11/2013] [Indexed: 11/19/2022]
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The -607C/A polymorphisms in interleukin-18 gene promoter contributes to cancer risk: evidence from a meta-analysis of 22 case-control studies. PLoS One 2013; 8:e76915. [PMID: 24130810 PMCID: PMC3793906 DOI: 10.1371/journal.pone.0076915] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2013] [Accepted: 08/27/2013] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Several observational studies have investigated the association between -607 C/A polymorphism of IL-18 gene and cancer risk; however, the results were inconsistent. Therefore, we performed a meta-analysis to derive a more precise estimation of the association to help us better understand the relationship between -607 C/A polymorphism of IL-18 gene promoter and risk of cancer. METHODS A literature search was carried out using PubMed, EMBASE, and China National Knowledge Infrastructure (CNKI) database between January 1966 and February 2013. Fixed-effect and random-effect models were used to estimate the pooled odds ratio (OR) and the corresponding 95% confidence intervals (CIs). RESULTS A total of 22 case-control studies including 4100 cancer cases and 4327 controls contributed to the analysis. Significant association between -607C/A polymorphism in IL-18 gene promoter and cancer risk was observed (CA vs CC:OR =1.221, 95% CI: 1.096, 1.360; P(heterogeneity)=0.219; AA/CA vs. CC:OR =1.203, 95% CI: 1.057, 1.369; P(heterogeneity)=0.064). In the subgroup analysis by ethnicity, -607C/A polymorphism significantly increased risk of cancer among Asian population (AA/CA vs. CC:OR =1.197, 95% CI: 1.023,1.401; P(heterogeneity)=0.088); however, no significant association was found in Caucasian or African population. The -607C/A polymorphism was associated with a significantly increased risk of nasopharyngeal carcinoma (CA vs CC:OR =1.330, 95% CI: 1.029,1.719; P(heterogeneity)=0.704; AA/CA vs. CC:OR =1.323, 95% CI: 1.037,1.687; P(heterogeneity)=0.823) and esophageal cancer (AA/CA vs. CC:OR =1.289, 95% CI: 1.002,1.658; P(heterogeneity)=0.700). CONCLUSIONS The present meta-analysis suggests that the -607C/A polymorphisms in IL-18 gene promoter is associated with a significantly increased risk of cancer, especially for nasopharyngeal carcinoma and esophageal cancer and in Asian population. More studies with larger sample size, well controlled confounding factors are warranted to validate this association.
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Rashad YA, Elkhodary TR, El-Gayar AM, Eissa LA. Evaluation of Serum Levels of HER2, MMP-9, Nitric Oxide, and Total Antioxidant Capacity in Egyptian Breast Cancer Patients: Correlation with Clinico-Pathological Parameters. Sci Pharm 2013; 82:129-45. [PMID: 24634847 PMCID: PMC3951224 DOI: 10.3797/scipharm.1306-18] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2013] [Accepted: 09/22/2013] [Indexed: 11/22/2022] Open
Abstract
Breast cancer is by far the most common cancer in women worldwide and the main cause of cancer-related mortality. Breast cancer accounts for 38% of all malignancies among Egyptian women. The aim of our study was to evaluate the serum levels of human epidermal growth factor receptor-2 (HER2), matrix metalloproteinase-9 (MMP-9), nitric oxide (NO), and total antioxidant capacity (TAC) in breast cancer patients and to correlate these markers with clinico-pathological parameters. Serum HER2, MMP-9, and carcinoma antigen 15-3 (CA 15-3) were assessed in 80 breast cancer patients and ten healthy subjects as a control group by the enzyme-linked immunosorbent assay (ELISA) technique while NO and TAC were assessed by a colorimetric method. Serum HER2 was ≥15 ng/mL in nine patients (11.3%). High HER2 ECD levels were significantly associated with tissue HER2 (P<0.0001), metastasis (P= 0.0024), and negativity of both estrogen (P=0.0075) and progesterone (P=0.0239) receptors. Serum MMP-9 (P=0.0013), NO (P<0.0001), and CA 15-3 (P<0.0001) were significantly increased while serum TAC was significantly (P=0.01) decreased in breast cancer patients as compared to the control group. Serum MMP-9 was increased significantly (P=0.028) in metastatic patients as compared to non-metastatic patients. We found a positive correlation between serum HER2 and CA 15-3 (r=36, p=0.005). In conclusion, serum HER2 reflects the tissue HER2 status of breast cancer, so the determination of serum HER2 is helpful in assessing HER2 status, but in addition, a high level may reflect metastatic disease. Also, serum MMP-9 can be useful for denoting the development of metastasis in breast cancer patients. Follow-up is needed to evaluate the value of serum HER2 and MMP-9 as prognostic markers.
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Affiliation(s)
- Yara A Rashad
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
| | | | - Amal M El-Gayar
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
| | - Laila A Eissa
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
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Association of interleukin-18 gene promoter -607 C>A and -137G>C polymorphisms with cancer risk: a meta-analysis of 26 studies. PLoS One 2013; 8:e73671. [PMID: 24066061 PMCID: PMC3774799 DOI: 10.1371/journal.pone.0073671] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2013] [Accepted: 07/19/2013] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Evidence suggest that IL-18 gene polymorphisms may be risk factors for several cancers. Increasing studies investigating the association between IL-18 gene promoter polymorphisms (-607 C>A and -137G>C) and cancer risk have yielded conflicting results. METHODOLOGY/PRINCIPAL FINDINGS We performed a meta-analysis of 26 studies including 4096 cases and 5222 controls. We assessed the strength of the association of IL-18 gene promoter -607 C>A and -137G>C polymorphisms with cancer risk and performed sub-group analyses by cancer types, ethnicities, source of controls and sample size. The pooled results revealed a significant increased risk of cancer susceptibility for -607 C>A (CA vs. CC: OR = 1.19, 95%CI: 1.04, 1.37, Pheterogeneity = 0.033; CA/AA vs. CC: OR = 1.17, 95% CI: 1.01, 1.34, Pheterogeneity = 0.007), but no significant association for -137 G>C was observed with overall cancer risk. Sub-group analyses revealed that an increased risk of nasopharyngeal carcinoma was both found for -607 C>A (CA/AA vs. CC: OR = 1.32, 95% CI: 1.04, 1.69, Pheterogeneity = 0.823) and -137G>C (GC/CC vs. GG: OR = 1.57, 95%CI: 1.26, 1.96, Pheterogeneity = 0.373). Consistent with the results of the genotyping analyses, the -607A/-137C and -607C/-137C haplotypes were associated with a significantly increased risk of nasopharyngeal carcinoma as compared with the -607C/-137G haplotype (-607A/-137C vs. -607C/-137G: OR = 1.26, 95%CI: 1.13, 1.40; Pheterogeneity = 0.569; -607C/-137C vs. -607C/-137G: OR = 1.14, 95%CI: 1.03, 1.27; Pheterogeneity = 0.775). As for gastrointestinal cancer, we also found that -607 C>A polymorphism was significantly associated with increased cancer risk (CA/AA vs. CC: OR = 1.25, 95% CI: 1.05, 1.50, Pheterogeneity = 0.458). Further sub-group analysis revealed that -137G>C polymorphism contributed to cancer risk in Asians but not in Caucasians (GC/CC vs. GG: OR = 1.31, 95%CI: 1.05, 1.64, Pheterogeneity<0.001). CONCLUSIONS The meta-analysis results suggest that IL-18 gene promoter -607 C>A polymorphism is significantly associated with overall cancer risk, especially in nasopharyngeal carcinoma and gastrointestinal cancer; and the -137 G>C polymorphism is associated with increased overall cancer risk in Asian populations and also significantly increases the risk of nasopharyngeal carcinoma.
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Dwivedi S, Goel A, Mandhani A, Khattri S, Pant KK. Tobacco exposure may enhance inflammation in prostate carcinoma patients: an explorative study in north Indian population. Toxicol Int 2013; 19:310-8. [PMID: 23293472 PMCID: PMC3532779 DOI: 10.4103/0971-6580.103681] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Prostate cancer is responsible for major deaths globally after lung cancer. However, etiology of prostate cancer is still unknown. Individual risk and incidence of prostate cancer may result from the interaction of genetic susceptibility with exposure to environmental factors such as infectious agents, tobacco, occupational exposure, dietary carcinogens, and/or hormonal imbalances leading to injury of the prostate and to the development of chronic inflammation. About 30% of all human cancers are caused by tobacco smoking and inhaled pollutants. Inflammation is now regarded as an important hallmark of cancer. The present study has been aimed to explore the pro-inflammatory levels in prostate carcinoma patients by examining the serum levels of novel cytokine interleukin-18 (IL-18) expression in tobacco exposed population. A total of 578 (n = 284 biopsy proven prostate cancer patients, n = 294 controls with and without tobacco exposed population) were recruited. Serum IL-18 (Interleukin-18) level was done by ELISA. The IL-18 levels between cancer patients and controls within same mode tobacco exposure as tobacco smoking (overall) showed significant difference (P < 0.0001) and further we compared within stratified group, it significantly differ (P < 0.0001) in bidi and cigarette smoking than control non users. Furthermore, IL-18 levels in tobacco chewers (overall) with gutkha and khaini chewers showed significant difference (P < 0.01) than controls non users. Moreover, the IL-18 levels between cancer patients and controls with in of combined mode chewers smokers and alcohol (CSA), smokers with alcohol showed significant difference (P < 0.01) than controls. The IL-18 levels also differed significantly (P < 0.05) with smokers and chewers in higher stages of III and IV, and showed non significant with in lower stages. Tobacco exposure enhance the inflammation in prostate carcinoma patients in stratified group as it have been represented as a risk factors in various cancers, but this study provide further its role that seems to influence inflammation especially in prostate carcinoma.
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Affiliation(s)
- Shailendra Dwivedi
- Department of Pharmacology and Therapeutics, Chhatrapati Sahuji Maharaj Medical University (Erstwhile KGMU), Lucknow, India
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Yao L, Zhang Y, Chen K, Hu X, Xu LX. Discovery of IL-18 as a novel secreted protein contributing to doxorubicin resistance by comparative secretome analysis of MCF-7 and MCF-7/Dox. PLoS One 2011; 6:e24684. [PMID: 21931812 PMCID: PMC3169632 DOI: 10.1371/journal.pone.0024684] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2010] [Accepted: 08/18/2011] [Indexed: 11/19/2022] Open
Abstract
Background Resistance to chemotherapy is the major cause of failure in breast cancer treatment. Recent studies suggest that secreted proteins may play important roles in chemoresistance. We sought to systematically characterize secreted proteins associated with drug resistance, which may represent potential serum biomarkers or novel drug targets. Methodology/Principal Findings In the present work, we adopted the proteomic strategy of one-dimensional gel electrophoresis followed by liquid chromatography-tandem mass spectrometry to compare the secretome of MCF-7 and doxorubicin-resistant MCF-7/Dox. A total of 2,084 proteins were identified with at least two unique peptides in the conditioned media of two cell lines. By quantification with label-free spectral counting, 89 differentially expressed secreted proteins (DESPs) between the two cell lines were found. Among them, 57 DESPs were first found to be related to doxorubicin resistance in this work, including 24 extracellular matrix related proteins, 2 cytokines and 31 unclassified proteins. We focused on 13 novel DESPs with confirmed roles in tumor metastasis. Among them, the elevated expression of IL-18 in doxorubicin-resistant cell lines and breast tumor tissues was validated and its role in doxorubicin resistance was further confirmed by cell viability experiments in the presence or absence of this protein. Conclusions/Significance Comparative analysis of the secretome of MCF-7 and MCF-7/Dox identified novel secreted proteins related to chemotherapy resistance. IL-18 was further validated to contribute to doxorubicin resistance, in addition to its confirmed role in breast cancer metastasis. Due to its dual roles in both drug resistance and tumor metastasis, IL-18 may represent a useful drug target for breast cancer therapy.
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Affiliation(s)
- Ling Yao
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Yan Zhang
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Ministry of Education, Shanghai, China
| | - Keying Chen
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaofang Hu
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
- * E-mail: (XH); (LXX)
| | - Lisa X. Xu
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
- * E-mail: (XH); (LXX)
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Metwally FM, El-mezayen HA, Ahmed HH. Significance of vascular endothelial growth factor, interleukin-18 and nitric oxide in patients with breast cancer: correlation with carbohydrate antigen 15.3. Med Oncol 2010; 28 Suppl 1:S15-21. [PMID: 20725807 DOI: 10.1007/s12032-010-9657-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2010] [Accepted: 08/09/2010] [Indexed: 12/21/2022]
Abstract
The aim of this study was to determine serum concentrations of angiogenic factors including vascular endothelial growth factor (VEGF), interleukin 18 (IL-18) and nitric oxide (NO) in patients with breast cancer and to evaluate whether these factors will be correlated with CA 15.3, as a routine tumor marker for breast cancer or not. This study was conducted on 44 patients with breast cancer and 15 healthy individuals as a control group. The results demonstrated significant increase in serum IL-18, NO and CA 15.3 levels in sera of breast cancer patients when compared to those of the control group (P < 0.001, P = 0.016 and P < 0.001, respectively). However, the mean serum level of VEGF in patients as showed insignificant increase compared to that of the controls was not significant (P = 0.311). Sensitivity of CA 15.3, VEGF, IL-18 and NO to detect patients with disease was 52.2, 21.3, 77.2 and 70.4 %, respectively. In addition, positive status of serum CA 15.3 and/or IL-18 was found in 39 out of 44 (88.6 %) patients, and the positive status of serum CA 15.3 and/or NO was only found in 35 out of 44 (79.5 %). In conclusion, the simultaneous determination of IL-18 or NO in combination with the CA 15.3 may increase the sensitivity to diagnose breast cancer and may aid in disease prognosis.
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Affiliation(s)
- Fatehya M Metwally
- Environmental and Occupational Medicine, National Research Center, Dokki, Cairo, Egypt
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Farjadfar A, Mojtahedi Z, Ghayumi MA, Erfani N, Haghshenas MR, Ghaderi A. Interleukin-18 promoter polymorphism is associated with lung cancer: a case-control study. Acta Oncol 2010; 48:971-6. [PMID: 19642044 DOI: 10.1080/02841860902878145] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Interleukin-18 (IL-18) is a multifunctional cytokine that augments IFN-gamma production and affects tumor immune response. In the present case-control study, we tested whether IL-18 promoter polymorphism contributes to lung cancer susceptibility in Iranian patients. MATERIAL AND METHODS The study groups were 73 patients with lung cancer, including 53 with squamous carcinoma (SC) and 20 with small cell lung carcinoma (SCLC), and 97 healthy regional aged-matched individuals. The frequency of IL-18 promoter single nucleotide polymorphisms (SNPs) at positions -656 (G/T), -607 (C/A), and -137 (G/C) was determined by polymerase chain reaction analyses. RESULTS There were significant differences in the IL-18 -607 allele and genotype distributions between the 73 lung cancer patients and controls. A significantly higher A allele frequency at position -607, which is associated with lower IL-18 production, was observed in lung cancer patients (48.6% vs. 35%; OR = 1.75; 95% CI 1.13-2.72). Also, patients with the -607 CA and the AA genotypes had a 2.60-fold (95% CI 1.26-5.36) and 3.15-fold (95% CI 1.16-8.55) increase in risk of lung cancer. Subdivision of the patients according to histological type revealed that SC was significantly associated with IL-18 -607 SNPs. Although the percentages of -607 alleles and genotypes in SCLC patients were similar to the results in SC patients, the differences compared to control individuals did not reach statistical significance. Analysis with Arlequin software identified eight haplotypes from three SNPs analyzed here. The distributions of IL-18 gene haplotypes were not significantly different between patients and controls after Bonferroni correction. DISCUSSION This is the first report to investigate the association between IL-18 polymorphism and lung cancer. Our results suggest that IL-18 polymorphism contributes to the lung cancer risk, particularly among SC patients. Further studies with larger numbers of patients are required to determine the possible association between IL-18 polymorphisms and different histological types of lung cancer.
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IL-18 Paradox in Pancreatic Carcinoma: Elevated Serum Levels of Free IL-18 are Correlated With Poor Survival. J Immunother 2009; 32:920-31. [DOI: 10.1097/cji.0b013e3181b29168] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Adult onset Still's disease diagnosed concomitantly with occult papillary thyroid cancer: paraneoplastic manifestation or coincidence? Clin Rheumatol 2009; 29:221-4. [PMID: 19847590 DOI: 10.1007/s10067-009-1305-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2009] [Revised: 10/05/2009] [Accepted: 10/07/2009] [Indexed: 10/20/2022]
Abstract
Adult onset Still's disease (AOSD) is an inflammatory disease of unknown etiology, characterized by spiking fever, evanescent salmon pink maculopapular rash, arthritis, and leukocytosis with neutrophilia. Malignant lymphoma is one of the most important differential diagnoses of AOSD. AOSD has been reported as one of paraneoplastic syndromes associated with breast cancer. We report a rare case of occult papillary thyroid cancer (PTC) diagnosed coincidently with AOSD. A 32-year-old woman was diagnosed with AOSD according to the diagnostic criteria of Yamaguchi as follows: leukocytosis with neutrophilia, high fever with 39 degrees C and above, arthralgia/arthritis, sore throat, liver dysfunctions, and lymphadenopathy. Excisional biopsy of cervical lymph node showed metastatic papillary carcinoma, and immunohistochemical staining for thyroglobulin and thyroid transcription factor-1 was strongly positive. There was no evidence of focal lesion in the thyroid glands. To our knowledge, this is the first report of adult onset Still's disease diagnosed concomitantly with occult PTC.
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Haghshenas MR, Hosseini SV, Mahmoudi M, Saberi-Firozi M, Farjadian S, Ghaderi A. IL-18 serum level and IL-18 promoter gene polymorphism in Iranian patients with gastrointestinal cancers. J Gastroenterol Hepatol 2009; 24:1119-22. [PMID: 19638090 DOI: 10.1111/j.1440-1746.2009.05791.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
BACKGROUND AND AIM Interleukin (IL)-18 level and association of its two promoter gene polymorphisms at -607 C/A and -137 G/C positions were investigated in Iranian patients with gastrointestinal (GI) cancers. METHODS 232 cases of GI cancers and 312 healthy controls were enrolled. Serum level of IL-18 was measured by enzyme linked immunosorbent assay (ELISA) and genotyping of IL-18 gene polymorphisms were assessed by allele-specific polymerase chain reaction (PCR). RESULTS There was a significant difference in the frequency of -137 G/C genotype between patients with stomach or colorectal cancers and control group. In patients with colorectal cancer, the frequency of the -607 AA/-137 GC genotype combination in unwell-differentiated cases was more than those with well-differentiated cancer. Haplotype analysis showed that in patients with stomach cancer -607 C/-137 C and -607 A/-137 G and in patients with colorectal cancer -607 C/-137 C were decreased compared with control group, and this difference reached statistical significance. Serum analysis revealed that the mean IL-18 serum level in stomach and colorectal cancer before and after surgical operation was significantly higher than healthy volunteers. Postoperative IL-18 level for all patients with colorectal cancer was significantly decreased compared with the levels before surgery. CONCLUSION Results of this investigation suggests that Single Nucleotide Polymorphism (SNP) at position -137 G/C and haplotype frequency may play a role in predisposition of Iranian patients to stomach and colorectal cancers. In addition, increasing serum IL-18 level may have clinical importance as a diagnostic marker in patients with stomach and colorectal cancer.
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Interleukin-18 gene promoter and serum level in women with ovarian cancer. Mol Biol Rep 2009; 36:2393-7. [DOI: 10.1007/s11033-009-9469-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2008] [Accepted: 02/17/2009] [Indexed: 12/23/2022]
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Okamoto M, Azuma K, Hoshino T, Imaoka H, Ikeda J, Kinoshita T, Takamori S, Ohshima K, Edakuni N, Kato S, Iwanaga T, Aizawa H. Correlation of decreased survival and IL-18 in bone metastasis. Intern Med 2009; 48:763-73. [PMID: 19443970 DOI: 10.2169/internalmedicine.48.1851] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVE Previous studies have reported that serum IL-18 levels are increased in some cancers. We investigated whether IL-18 production is increased in sera and cancer cells of patients with non-small cell lung cancer (NSCLC). PATIENTS OR MATERIALS Serum levels of IFN-gamma and IL-18 and thioredoxin 1 (TRX1) were measured in 79 patients (51 males, 28 females, median age 67 years) with advanced NSCLC (57 adenocarcinoma, 22 squamous cell carcinoma; TNM stages IIIA [n=11], IIIB [n=24], and IV [n=44]) and 75 healthy age-matched controls (44 males, 31 females, median age 65 years) by enzyme-linked immunosorbent assay. We examined IL-18 production in the lungs and sites of bone metastasis of adenocarcinoma by immunohistochemistry. RESULTS Serum IL-18, IFN-gamma, and TRX1 levels in NSCLC patients were significantly (p<0.0001, p=0.0031, and p<0.0001, respectively) higher than in control subjects, while serum IFN-gamma levels in NSCLC were slightly increased. Serum IL-18, but not IFN-gamma or TRX1, levels were significantly (p=0.0102) and negatively associated with overall survival in NSCLC. The serum IL-18 level was identified as an independent prognostic factor for overall survival in multivariate survival analysis. Moreover, serum IL-18 levels were significantly (p=0.049) higher in NSCLC with bone metastasis than in NSCLC without bone metastasis. Based on immunohistochemistry, we observed that cancer cells in the lungs and bone metastases markedly produced IL-18. CONCLUSION Our results suggest that elevated serum IL-18 levels may be associated with IL-18 producing cancer cells in advanced NSCLC.
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Affiliation(s)
- Masaki Okamoto
- Division of Respirology, Neurology and Rheumatology, Department of Internal Medicine, Kurume University School of Medicine, Kurume
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Head and neck squamous cell carcinoma is not associated with interleukin-18 promoter gene polymorphisms: a case–control study. The Journal of Laryngology & Otology 2008; 123:444-8. [DOI: 10.1017/s0022215108003733] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
AbstractObjective:To investigate the association of two functional single nucleotide polymorphisms in the promoter region of the interleukin-18 gene, at positions −607 and −137, with head and neck squamous cell carcinoma.Design:Genomic deoxyribonucleic acid was extracted, by the salting-out method, from peripheral blood leukocytes. Single nucleotide polymorphisms of the interleukin-18 gene at positions −607 (cytosine/adenine) and −137 (guanine/cytosine) were analysed by sequence-specific polymerase chain reaction.Subjects:One hundred and eleven patients (86 men and 25 women; mean age 56.7±13.7 years) and 212 regional controls (165 men and 47 women; mean age 53.3±12.2 years) were studied. Control subjects comprised healthy volunteers or cancer-free individuals presenting with otolaryngological disease. The diagnosis of squamous cell carcinoma was confirmed histopathologically. Various clinical parameters were collected at diagnosis, including tumour site, tumour size, lymph node involvement, distant metastasis and stage.Results:There was no significant association between the allele, genotype or haplotype frequencies of the two single nucleotide polymorphisms of the interleukin-18 promoter and the head and neck squamous cell carcinoma susceptibility or clinical parameters at diagnosis.Conclusion:Interleukin-18 polymorphisms at positions −607 and −137 did not confer susceptibility to head and neck squamous cell carcinoma in southern Iranian patients.
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Chechlinska M, Kowalska M, Kaminska J. Cytokines as potential tumour markers. ACTA ACUST UNITED AC 2008; 2:691-711. [DOI: 10.1517/17530059.2.6.691] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Veselik DJ, Divekar S, Dakshanamurthy S, Storchan GB, Turner JM, Graham KL, Huang L, Stoica A, Martin MB. Activation of estrogen receptor-alpha by the anion nitrite. Cancer Res 2008; 68:3950-8. [PMID: 18483281 PMCID: PMC3676890 DOI: 10.1158/0008-5472.can-07-2783] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
In this study, the ability of nitrite and nitrate to mimic the effects of estradiol on growth and gene expression was measured in the human breast cancer cell line MCF-7. Similar to estradiol, treatment of MCF-7 cells with either 1 mumol/L nitrite or 1 mumol/L nitrate resulted in approximately 4-fold increase in cell growth and 2.3-fold to 3-fold increase in progesterone receptor (PgR), pS2, and cathepsin D mRNAs that were blocked by the antiestrogen ICI 182,780. The anions also recruited estrogen receptor-alpha (ERalpha) to the pS2 promoter and activated exogenously expressed ERalpha when tested in transient cotransfection assays. To determine whether nitrite or nitrate was the active anion, diphenyleneiodonium was used to inhibit oxidation/reduction reactions in the cell. The ability of diphenyleneiodonium to block the effects of nitrate, but not nitrite, on the induction of PgR mRNA and the activation of exogenously expressed ERalpha suggests that nitrite is the active anion. Concentrations of nitrite, as low as 100 nmol/L, induced a significant increase in PgR mRNA, suggesting that physiologically and environmentally relevant doses of the anion activate ERalpha. Nitrite activated the chimeric receptor Gal-ER containing the DNA-binding domain of GAL-4 and the ligand-binding domain of ERalpha and blocked the binding of estradiol to the receptor, suggesting that the anion activates ERalpha through the ligand-binding domain. Mutational analysis identified the amino acids Cys381, His516, Lys520, Lys529, Asn532, and His547 as important for nitrite activation of the receptor.
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Affiliation(s)
- David J. Veselik
- Department of Biochemistry and Molecular and Cellular Biology, Georgetown University, Washington, District of Columbia
| | - Shailaja Divekar
- Department of Biochemistry and Molecular and Cellular Biology, Georgetown University, Washington, District of Columbia
| | | | - Geoffrey B. Storchan
- Department of Biochemistry and Molecular and Cellular Biology, Georgetown University, Washington, District of Columbia
| | - Jasmine M.A. Turner
- Department of Oncology, Georgetown University, Washington, District of Columbia
| | - Kelly L. Graham
- Department of Oncology, Georgetown University, Washington, District of Columbia
| | - Li Huang
- Department of Oncology, Georgetown University, Washington, District of Columbia
| | - Adriana Stoica
- Department of Oncology, Georgetown University, Washington, District of Columbia
- Department of Human Sciences, Georgetown University, Washington, District of Columbia
| | - Mary Beth Martin
- Department of Biochemistry and Molecular and Cellular Biology, Georgetown University, Washington, District of Columbia
- Department of Oncology, Georgetown University, Washington, District of Columbia
- Department of Human Sciences, Georgetown University, Washington, District of Columbia
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Sugama S, Conti B. Interleukin-18 and stress. ACTA ACUST UNITED AC 2007; 58:85-95. [PMID: 18295340 DOI: 10.1016/j.brainresrev.2007.11.003] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2007] [Revised: 11/02/2007] [Accepted: 11/16/2007] [Indexed: 01/15/2023]
Abstract
Interleukin-18 (IL-18) is a pro-inflammatory cytokine believed to play a role in a variety of conditions and diseases including infections, autoimmunity, cancer, diabetes and atherosclerosis. IL-18 is also a possible contributor to the sickness syndrome by inducing anorexia and sleep. Originally recognized to be produced by cells of the immune system, IL-18 is also found in endocrine tissues, including the adrenal and the pituitary glands, and in the central nervous system where it is produced by microglial and ependymal cells as well as by neurons of the medial habenular nucleus. IL-18 is produced constitutively and its levels can increase during infection but also during stress in the absence of an exogenous stimulus. IL-18 levels are elevated by activation of the hypothalamic-pituitary-adrenal (HPA) axis in a tissue specific way via differential promoter and splicing usage, and may be down-regulated by the activation of the para-sympathetic system. This suggested the possibility that IL-18 may participate in the regulation of the HPA axis or that it may have a role in mediating the CNS dependent effects on the susceptibility to or the progression of diseases. This review summarizes the evidence linking stress and IL-18 and discusses the possible implication of the neuro-immuno-modulatory action of IL-18.
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Affiliation(s)
- Shuei Sugama
- Department of Physiology, Nippon Medical School, 1-1-5 Sendagi Bunkyo-ku, Tokyo 113-8602, Japan.
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Vidal-Vanaclocha F, Mendoza L, Telleria N, Salado C, Valcárcel M, Gallot N, Carrascal T, Egilegor E, Beaskoetxea J, Dinarello CA. Clinical and experimental approaches to the pathophysiology of interleukin-18 in cancer progression. Cancer Metastasis Rev 2007; 25:417-34. [PMID: 17001512 DOI: 10.1007/s10555-006-9013-3] [Citation(s) in RCA: 94] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Interleukin-18 (IL-18, interferon [IFN]-gamma-inducing factor) is a proinflammatory cytokine converted to a biologically active molecule by interleukin (IL)-1beta converting enzyme (caspase-1). A wide range of normal and cancer cell types can produce and respond to IL-18 through a specific receptor (IL-18R) belonging to the toll-like receptor family. The activity of IL-18 is regulated by IL-18-binding protein (IL-18bp), a secreted protein possessing the ability to neutralize IL-18 and whose blood level is affected by renal function and is induced by IFNgamma. IL-18 plays a central role in inflammation and immune response, contributing to the pathogenesis and pathophysiology of infectious and inflammatory diseases. Because immune-stimulating effects of IL-18 have antineoplastic properties, IL-18 has been proposed as a novel adjuvant therapy against cancer. However, IL-18 increases in the blood of the majority of cancer patients and has been associated with disease progression and, in some cancer types, with metastatic recurrence risk and poor clinical outcome and survival. Under experimental conditions, cancer cells can also escape immune recognition, increase their adherence to the microvascular wall and even induce production of angiogenic and tumor growth-stimulating factors via IL-18-dependent mechanism. This is particularly visible in melanoma cells. Thus, the role of IL-18 in cancer progression and metastasis remains controversial. This review examines the clinical correlations and biological effects of IL-18 during cancer development and highlights recent experimental insights into prometastatic and proangiogenic effects of IL-18 and the use of IL-18bp against cancer progression.
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Affiliation(s)
- Fernando Vidal-Vanaclocha
- Department of Cell Biology and Histology, Basque Country University School of Medicine and Dentistry, Leioa, Bizkaia 48940, Spain.
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Siclari VA, Guise TA, Chirgwin JM. Breast cancer secreted factors alter the bone microenvironment. METASTASIS OF BREAST CANCER 2007. [DOI: 10.1007/978-1-4020-5867-7_12] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Naeimi S, Ghiam AF, Mojtahedi Z, Dehaghani AS, Amani D, Ghaderi A. Interleukin-18 gene promoter polymorphisms and recurrent spontaneous abortion. Eur J Obstet Gynecol Reprod Biol 2006; 128:5-9. [PMID: 16584830 DOI: 10.1016/j.ejogrb.2006.02.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2005] [Revised: 01/09/2006] [Accepted: 02/08/2006] [Indexed: 11/18/2022]
Abstract
BACKGROUND IL-18 is a multifunctional cytokine capable of inducing either Th1 or Th2 polarization depending on the immunologic milieu. IL-18 is detected at the materno-fetal interface very soon in early pregnancy. Two polymorphisms in the promoter region of the IL-18 gene at positions of -607 and -137 appear to have functional impacts. OBJECTIVE This study attempts to evaluate the frequency of these two polymorphisms in the IL-18 gene promoter in patients with recurrent spontaneous abortion (RSA) and normal pregnant women. SUBJECTS AND METHODS One hundred and two RSA patients and 103 healthy pregnant women were enrolled in this study. Single nucleotide polymorphisms of the IL-18 gene at positions -607 (C/A) and -137 (G/C) were analyzed by the sequence-specific PCR method. RESULTS There was no significant association between the allele, genotype, and haplotype frequencies of the two single nucleotide polymorphisms (SNPs) in the IL-18 gene promoter and RSA. CONCLUSION The results of this study showed that IL-18 gene promoter polymorphisms at positions -607 and -137 did not confer susceptibility to RSA in southern Iranian patients.
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Affiliation(s)
- Sirous Naeimi
- Shiraz Institute for Cancer Research, Shiraz University of Medical Sciences, Shiraz, Iran
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Mühl H, Pfeilschifter J. Interleukin-18 bioactivity: a novel target for immunopharmacological anti-inflammatory intervention. Eur J Pharmacol 2005; 500:63-71. [PMID: 15464021 DOI: 10.1016/j.ejphar.2004.07.012] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/01/2004] [Indexed: 12/20/2022]
Abstract
Interleukin-18 is a member of the interleukin-1 family of cytokines with pro-inflammatory and tumor-suppressive properties. Its ability to potently enhance the production of interferon-gamma indicates in particular the crucial function of interleukin-18 as an immunomodulatory molecule. In fact, high levels of interleukin-18 are detected in human diseases associated with immunoactivation including viral or bacterial infections and chronic inflammation. Animal models suggest suppression of interleukin-18 bioactivity as a novel therapeutic concept specifically for the treatment of chronic inflammatory diseases such as rheumatoid arthritis, Crohn's disease, and psoriasis. Here we introduce into the biology of interleukin-18 and review immunopharmacological strategies that aim at reducing interleukin-18 bioactivity in human disease.
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Affiliation(s)
- Heiko Mühl
- Pharmazentrum Frankfurt, University Hospital, Klinikum der Johann Wolfgang Goethe-Universität Frankfurt am Main, Theodor-Stern-Kai 7, D-60590 Frankfurt am Main, Germany.
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Coskun U, Gunel N, Sancak B, Onuk E, Bayram M, Cihan A. Effect of tamoxifen on serum IL-18, vascular endothelial growth factor and nitric oxide activities in breast carcinoma patients. Clin Exp Immunol 2004; 137:546-51. [PMID: 15320904 PMCID: PMC1809129 DOI: 10.1111/j.1365-2249.2004.02579.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Vascular endothelial growth factor (VEGF) is a multi-functional cytokine that has been suggested to be a major angiogenic factor in breast cancer. Nitric oxide (NO) is a potent biological molecule that participates in the multi-step process of carcinogenesis. Interleukin (IL)-18 has been shown to have potent anti-tumour effects. In this study, we investigated the effect of tamoxifen therapy on serum VEGF, NO and IL-18 activity in breast cancer patients. Serum levels of VEGF, nitrate + nitrite and IL-18 were measured in 34 postmenopausal breast cancer patients before and 3 months after the tamoxifen therapy. Both serum VEGF and IL-18 levels decreased after tamoxifen therapy (P = 0.051, P < 0.05, respectively). Serum VEGF levels increased in patients with endometrial thickness, while patients without endometrial thickness had a significant reduction in serum VEGF levels after therapy (P < 0.05). Serum nitrate + nitrite levels increased after the therapy, but this was not statistically significant (P > 0.05). A decrease in serum VEGF levels with tamoxifen therapy may be a reflection of reduced angiogenic activity in patients without endometrial thickness. The negative effect of tamoxifen therapy on IL-18, which is known to have a potent antitumour activity, may be related to the decreased tumour growth by induction of NO and reduction of VEGF activity as a feedback mechanism.
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Affiliation(s)
- U Coskun
- Department of Medical Oncology, Gazi University Medical School, Ankara, Turkey.
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Gatti G, Simsek S, Zurrida S, Kurne A, Giannetti I, Demirer S, Smeets A, Caldarella P, Vento AR, Giraldo A, Luini A. Possible role of nitric oxide in the biology of breast carcinoma: review of the available literature. Breast 2004; 13:1-6. [PMID: 14759709 DOI: 10.1016/j.breast.2003.09.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2003] [Revised: 06/26/2003] [Accepted: 09/02/2003] [Indexed: 10/26/2022] Open
Abstract
Nitric oxide was studied to investigate its possible involvement in the promotion of breast carcinoma: both the development of the primary tumour and the process of metastasis seem to be influenced by the presence and the amount of nitric oxide. We review the available literature on this topic, which seems to suggest an influence of nitric oxide on the cancer cell biology in breast carcinoma, but the argument is still controversial. More studies are needed to clarify the sequence of events and the real impact of nitric oxide on the behaviour of the disease.
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Affiliation(s)
- G Gatti
- Istituto Europeo di Oncologia, Senology Division, via Ripamonti 435, Milan, Italy.
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Lebel-Binay S, Thiounn N, De Pinieux G, Vieillefond A, Debré B, Bonnefoy JY, Fridman WH, Pagès F. IL-18 is produced by prostate cancer cells and secreted in response to interferons. Int J Cancer 2003; 106:827-35. [PMID: 12918059 DOI: 10.1002/ijc.11285] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Murine models have shown that IL-18 has antiangiogenic and antitumor effects, but little is known about IL-18 production in human tumors. We investigated IL-18 expression in clinically localized prostate cancers by immunohistochemistry and showed that 75% of the prostate cancers studied (27/36 cases) presented with tumor cells producing IL-18. Prostate tumor cell lines PC-3, DU 145 and LNCaP synthesized the immature form of IL-18 (p24). IFN-gamma produced in prostate cancers induced caspase-1 mRNA and IL-18 secretion of tumor cell lines, which was inhibited by the cell-permeable Tyr-Val-Ala-Asp-aldehyde caspase-1 inhibitor (YVAD-CHO). Interestingly, IFN-alpha also induced IL-18 secretion of the poorly differentiated cell line PC-3. PC-3 and DU 145, but not the well-differentiated cell line LNCaP, expressed IL-18R alpha (IL-1Rrp) protein and transcripts for IL-18R beta (AcPL). Exogenous IL-18 increased mitochondrial activity of both cell lines evaluated by the tetrazolium (MTT) assay but did not influence their proliferation. This indicated that prostate tumor cells could secrete IL-18 in response to IFN-gamma in the tumor microenvironment and that IL-18 could act as a autocrine/paracrine factor for the tumor. In the cohort of patients studied, IL-18 expression in prostate cancers (with up to 10% of tumor cells stained) was associated with a favorable outcome and equally predictive as pathologic stage on multivariate analysis (log rank test, p = 0.02). Tumor IL-18 production is a novel physiopathologic feature of prostate cancer and appears to be a favorable event in the course of the disease. Modulation of IL-18 production by interferons could have a beneficial clinical effect, which deserves further investigation.
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Affiliation(s)
- Sophie Lebel-Binay
- INSERM U 255, Centre de Recherches Biomédicales des Cordeliers, Paris, France
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