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Jaradeh M, Baig N, Bontekoe E, Mitrovic M, Antic D, Hoppensteadt D, Kantarcioglu B, Fareed J. The Relationship Between Thrombo-Inflammatory Biomarkers and Cellular Indices of Inflammation in Lymphoma Patients. Clin Appl Thromb Hemost 2021; 27:10760296211050358. [PMID: 34713728 PMCID: PMC8558596 DOI: 10.1177/10760296211050358] [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] [Indexed: 11/16/2022] Open
Abstract
Introduction Thrombo-inflammatory biomarkers play an important role in the pathogenesis of lymphoma. We aimed to characterize the interrelationship of thrombo-inflammatory biomarkers and blood cellular indices in lymphoma patients. Materials and Methods Ninety-eight lymphoma patient samples were collected from Lymphoma Center of Clinic of Hematology, University of Belgrade, Serbia. Normal controls (n = 50) represented plasma from healthy individuals. Plasminogen activator inhibitor (PAI-1), D-Dimer, factor XIII, C-reactive protein (CRP), microparticles (Mp), Von Willebrand factor (vWF), total protein S, urokinase-type plasminogen activator (uPA), tumor necrosis factor (TNFα), β2-glycoprotein I (β2GPI), and fibronectin levels were measured utilizing commercially-available ELISA methods. Thrombin generation profile (TGA) was measured using a fluorometric kinetic assay. Platelets, leukocytes, lymphocytes, and neutrophils were measured in conjunction with the complete blood profile. Results Statistically significant differences were noted in levels of PAI-1, D-Dimer, factor XIII, CRP, microparticles, vWF, uPA, TNFα, β2GPI, fibronectin, and TGA when compared to normal (all P values < .001). Platelet to leukocyte ratio (PLA) correlated to TNFα and fibronectin (R = −0.31 and −0.53, respectively) and the platelet to neutrophil ratio (PNR) correlated to factor XIII and β2GPI (R = 0.40 and 0.40, respectively). Conclusion Plasma samples from lymphoma patients demonstrated a significantly altered thrombo-inflammatory biomarker profile that has notable correlations to blood cellular indices.
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Affiliation(s)
- Mark Jaradeh
- 25815Loyola University Medical Center, Maywood, IL, USA
| | - Nausheen Baig
- 25815Loyola University Medical Center, Maywood, IL, USA
| | | | | | - Darko Antic
- 54801University of Belgrade, Belgrade, Serbia
| | | | | | - Jawed Fareed
- 25815Loyola University Medical Center, Maywood, IL, USA
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2
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Gogoleva VS, Atretkhany KSN, Dygay AP, Yurakova TR, Drutskaya MS, Nedospasov SA. Current Perspectives on the Role of TNF in Hematopoiesis Using Mice With Humanization of TNF/LT System. Front Immunol 2021; 12:661900. [PMID: 34054827 PMCID: PMC8155636 DOI: 10.3389/fimmu.2021.661900] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 04/19/2021] [Indexed: 11/24/2022] Open
Abstract
TNF is a multifunctional cytokine with its key functions attributed to inflammation, secondary lymphoid tissue organogenesis and immune regulation. However, it is also a physiological regulator of hematopoiesis and is involved in development and homeostatic maintenance of various organs and tissues. Somewhat unexpectedly, the most important practical application of TNF biology in medicine is anti-TNF therapy in several autoimmune diseases. With increased number of patients undergoing treatment with TNF inhibitors and concerns regarding possible adverse effects of systemic cytokine blockade, the interest in using humanized mouse models to study the efficacy and safety of TNF-targeting biologics in vivo is justified. This Perspective discusses the main functions of TNF and its two receptors, TNFR1 and TNFR2, in steady state, as well as in emergency hematopoiesis. It also provides a comparative overview of existing mouse lines with humanization of TNF/TNFR system. These genetically engineered mice allow us to study TNF signaling cascades in the hematopoietic compartment in the context of various experimental disease models and for evaluating the effects of various human TNF inhibitors on hematopoiesis and other physiological processes.
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Affiliation(s)
- Violetta S Gogoleva
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.,Department of Immunobiology and Biomedicine, Sirius University of Science and Technology, Sirius, Russia
| | - Kamar-Sulu N Atretkhany
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Arina P Dygay
- Department of Immunobiology and Biomedicine, Sirius University of Science and Technology, Sirius, Russia.,Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.,Department of Immunology, Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Taisiya R Yurakova
- Department of Immunobiology and Biomedicine, Sirius University of Science and Technology, Sirius, Russia.,Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.,Department of Immunology, Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Marina S Drutskaya
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.,Department of Immunobiology and Biomedicine, Sirius University of Science and Technology, Sirius, Russia
| | - Sergei A Nedospasov
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.,Department of Immunobiology and Biomedicine, Sirius University of Science and Technology, Sirius, Russia.,Department of Immunology, Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
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3
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Al-Khatib SM, Abdo N, Al-Eitan LN, Al-Mistarehi AHW, Zahran DJ, Kewan TZ. LTA, LEP, and TNF-a Gene Polymorphisms are Associated with Susceptibility and Overall Survival of Diffuse Large B-Cell lymphoma in an Arab Population: A Case-Control Study. Asian Pac J Cancer Prev 2020; 21:2783-2791. [PMID: 32986381 PMCID: PMC7779465 DOI: 10.31557/apjcp.2020.21.9.2783] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Indexed: 01/08/2023] Open
Abstract
Objective: In this study, we aimed to explore the relationship between five selected proinflammatory and immune-mediated genes (TNF rs1800629G>A, rs361525G>A, rs1799964T>C, LTA rs1800683G>A, rs909253A>G, TNFAIP8 rs1042541C>T, LEPR rs1327118G>C, and LEP rs2167270G>A) and the risk and overall survival of DLBCL patients within the Jordanian Arab population. Methods: One hundred twenty-five patients (125) diagnosed with DLBCL at the King Abdullah University Hospital (KAUH) between 2013 and 2018 and 238 healthy cancer-free control subjects with similar geographic and ethnic backgrounds to the patients were included in the study. Genomic DNA was extracted from the formalin-fixed paraffin-embedded tissues of the subjects and from peripheral blood samples of the controls. The Sequenom MassARRAY® sequencer system (iPLEX GOLD) was used. The analyses included assessments of population variability and survival. Results: Our study showed significant differences in the distribution of the studied polymorphisms of DLBCL between the patients and controls for TNF rs1800629G>A, LTA rs909253 G>A and LEP rs2167270 G>A. TNF rs1800629G>A (p = 0.01), in which the G allele harbors a higher risk of DLBCL (GG and GA genotypes when compared with AA genotype) (p = 0.044). The LTA rs909253 A>G polymorphism is associated with a higher risk of DLBCL in the allelic model (p = .004). LEP rs2167270 G>A polymorphism is associated with a decreased risk of DLBCL in the recessive mode models (p = .03). Subjects with the dominant model for TNF-a rs1799964 (TT genotype in comparison with the combined TT/TC genotype) and patients with the homozygous genotype (GG) of rs361525 have better overall survival rates. Conclusion: Our results confirmed the diversity and the heterogeneity of the disease. Although the study has a limitation because of its relatively small size, it clearly emphasizes the significance of ancestry and genetic composition as the determinants of DLBCL risk and behavior.
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Affiliation(s)
- Sohaib M Al-Khatib
- Department of Pathology and Laboratory Medicine Jordan University of Science and Technology Irbid, Jordan
| | - Nour Abdo
- Department of Public Health, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Laith N Al-Eitan
- Department of Biotechnology and Genetic Engineering, Faculty of Science and Arts, Jordan University of Science and Technology, Irbid, Jordan
| | - Abdel-Hameed W Al-Mistarehi
- Department of Family Medicine, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Deeb Jamil Zahran
- Department of Internal Medicine, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Tariq Zuheir Kewan
- Department of Internal Medicine, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan.,Department of Internal Medicine, Cleveland Clinic Foundation, Cleveland, Ohio, USA
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4
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Ban EZ, Lye MS, Chong PP, Yap YY, Lim SYC, Abdul Rahman H. Association of hOGG1 Ser326Cys, ITGA2 C807T, TNF-A -308G>A and XPD Lys751Gln polymorphisms with the survival of Malaysian NPC patients. PLoS One 2018; 13:e0198332. [PMID: 29912899 PMCID: PMC6005472 DOI: 10.1371/journal.pone.0198332] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2017] [Accepted: 05/17/2018] [Indexed: 12/12/2022] Open
Abstract
Background Nasopharyngeal carcinoma is a rare form of cancer across the world except in certain areas such as Southern China, Hong Kong and Malaysia. NPC is considered a relatively radiosensitive tumor and patients diagnosed at early stages tend to survive longer compared to those with advanced disease. Given that early symptoms of NPC are non-specific and that the nasopharynx is relatively inaccessible, less invasive screening methods such as biomarker screening might be the key to improve NPC survival and management. A number of genes with their respective polymorphisms have been shown in past studies to be associated with survival of various cancers. hOGG1 and XPD genes encode for a DNA glycosylase and a DNA helicase respectively; both are proteins that are involved in DNA repair. ITGA2 is the alpha subunit of the transmembrane receptor integrin and is mainly responsible for cell-cell and cell-extracellular matrix interaction. TNF-α is a cytokine that is released by immune cells during inflammation. Methods Restriction fragment length polymorphism-polymerase chain reaction (RFLP-PCR) was used to genotype all the aforementioned gene polymorphisms. Kaplan-Meier survival function, log-rank test and Cox regression were used to investigate the effect of gene polymorphisms on the all-cause survival of NPC. Results NPC cases carrying T/T genotype of ITGA2 C807T have poorer all-cause survival compared to those with C/C genotypes, with an adjusted HR of 2.06 (95% CI = 1.14–3.72) in individual model. The 5-year survival rate of C/C carriers was 55% compared to those with C/T and T/T where the survival rates were 50% and 43%, respectively. Conclusion The finding from the present study showed that ITGA2 C807T polymorphism could be potentially useful as a prognostic biomarker for NPC. However, the prognostic value of ITGA2 C807T polymorphism has to be validated by well-designed further studies with larger patient numbers.
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Affiliation(s)
- Eng-Zhuan Ban
- Department of Community Health, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Munn-Sann Lye
- Department of Community Health, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
- * E-mail:
| | - Pei Pei Chong
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Yoke-Yeow Yap
- Department of Otorhinolaryngology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | | | - Hejar Abdul Rahman
- Department of Community Health, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
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5
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Pretreatment Liver Injury Predicts Poor Prognosis of DLBCL Patients. Mediators Inflamm 2017; 2017:7960907. [PMID: 29109622 PMCID: PMC5646333 DOI: 10.1155/2017/7960907] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 08/17/2017] [Indexed: 01/22/2023] Open
Abstract
Diffuse large B-cell lymphoma (DLBCL) is a heterogeneous group of lymphoma, with different clinical manifestation and prognosis. The International Prognostic Index (IPI), an index designed during the prerituximab era for aggressive lymphoma, showed variable values in the prediction of patient clinical outcomes. The aim of this study was to analyze the prognostic value and causes of pretreatment liver injury in 363 de novo DLBCL patients in our institution. Pretreatment liver impairment, commonly detected in lymphoma patients, showed significant association with poor outcomes and increased serum inflammatory cytokines in DLBCL patients but had no relation to hepatitis B virus replication nor lymphomatous hepatic infiltration. Multivariate analysis revealed that liver dysfunction, advanced Ann Arbor stage, and elevated lactate dehydrogenase (LDH) were independent adverse prognostic factors of both PFS and OS. Accordingly, a new liver-IPI prognostic model was designed by adding liver injury as an important factor in determining IPI score. Based on Kaplan-Meier curves for PFS and OS, the liver-IPI showed better stratification in DLBCL patients than either the IPI or the revised IPI in survival prediction.
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6
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Elmoamly S, Afif A. Can biomarkers of coagulation, platelet activation, and inflammation predict mortality in patients with hematological malignancies? ACTA ACUST UNITED AC 2017; 23:89-95. [PMID: 28823228 DOI: 10.1080/10245332.2017.1365458] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND Patients with cancer commonly demonstrate laboratory evidence for hypercoagulability. Coagulation and inflammation play a role in the pathophysiology of hematological malignancies and the correlation between hypercoagulability and inflammation with tumor outcomes and the patient's prognosis are well studied. OBJECTIVE To identify an association between hemostasis activation, fibrinolysis and inflammation with mortality in patients with hematological malignancies to determine their prognostic significance. METHODS This study is a prospective observational cohort study; Hypercoagulability and inflammatory biomarkers including:(1) Coagulation and fibrinolysis activation Markers (D-dimer, Fibrinogen, Antithrombin, plasminogen activator inhibitor 1 [PAI-1]);(2) Endothelium and platelet activation Markers (von Willebrand Factor [vWF], soluble P-selectin); and (3) Inflammation Markers (Tumor necrosis factor alpha [TNF-α], Interleukin-6 [IL-6]) were assayed on a group of 171 patients with hematological malignancies at time of diagnosis. They have been followed up for an average period of 416.8 days with an endpoint of mortality. RESULTS Sixty patients died during follow up. There were statistically significant associations between Plasma cell dyscrasias mortality and ECOG performance status (P value:<0.005), Hemoglobin level (P value: 0.04), serum Albumin level (P value: 0.001), vWF (P value: 0.006) and IL-6 (P value 0.015), and between lymphoproliferative disorders mortality and presence of B symptoms (P value: 0.02), ECOG performance status (P value:<0.02), serum Albumin level (P value: 0.038), Antithrombin (P value: 0.004). CONCLUSION Some biomarkers of coagulation and inflammation showed statistically significant associations with plasma cell dyscrasias mortality (vWF and IL-6) and lymphoproliferative disorders mortality (Antithrombin) and potentially could be used as prognostic markers.
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Affiliation(s)
- Shereef Elmoamly
- a Department of Internal Medicine and Clinical Hematology, Faculty of Medicine , Cairo University , Cairo , Egypt
| | - Alaa Afif
- b Department of Chemical Pathology, Faculty of Medicine , Cairo University , Cairo , Egypt
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7
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Jevtovic-Stoimenov T, Cvetkovic T, Despotovic M, Basic J, Cvetkovic J, Marjanovic G, Pavlovic D. The influence of TNF alpha -308 G/A polymorphism on oxidative stress in patients with chronic lymphocytic leukemia. Leuk Res 2017; 54:66-72. [DOI: 10.1016/j.leukres.2017.01.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Accepted: 01/09/2017] [Indexed: 01/24/2023]
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8
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Abstract
The prognosis of patients with classical Hodgkin lymphoma following chemo- and radiotherapy has been excellent during the last 4 decades. However, the development of secondary malignancies is of major concern. Therefore, the reduction of radiotherapy application is a major objective of ongoing clinical trials. De-escalation of treatment may increase the risk of relapses and thus may lead to reappearance of prognostic factors. Prognostic biomarkers might help to identify patients who are at increased risk of relapse. This review summarizes the current knowledge about potential prognostic biomarkers for patients with classical Hodgkin lymphoma.
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Affiliation(s)
- Martin S Staege
- a Department of Pediatrics , Martin Luther University Halle-Wittenberg , Halle , Germany
| | - Stefanie Kewitz
- a Department of Pediatrics , Martin Luther University Halle-Wittenberg , Halle , Germany
| | - Toralf Bernig
- a Department of Pediatrics , Martin Luther University Halle-Wittenberg , Halle , Germany
| | - Caspar Kühnöl
- a Department of Pediatrics , Martin Luther University Halle-Wittenberg , Halle , Germany
| | - Christine Mauz-Körholz
- a Department of Pediatrics , Martin Luther University Halle-Wittenberg , Halle , Germany
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9
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Study of single nucleotide polymorphisms of tumour necrosis factors and HSP genes in nasopharyngeal carcinoma in North East India. Tumour Biol 2015. [PMID: 26198046 DOI: 10.1007/s13277-015-3767-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Nasopharyngeal carcinoma (NPC) is an epithelial tumour with a distinctive racial and geographical distribution. High incidence of NPC has been reported from China, Southeast Asia, and northeast (NE) region of India. The immune mechanism plays incredibly role in pathogenesis of NPC. Tumour necrosis factors (TNFs) and heat shock protein 70 (HSP 70) constitute significant components of innate as well as adaptive host immunity. Multi-analytical approaches including logistic regression (LR), classification and regression tree (CART) and multifactor dimensionality reduction (MDR) were applied in 120 NPC cases and 100 controls to explore high order interactions among TNF-α (-308 G>A), TNF β (+252 A>G), HSP 70-1 (+190 G>C), HSP 70-hom (+2437 T>C) genes and environmental risk factors. TNF β was identified as the primary etiological factor by all three analytical approaches. Individual analysis of results showed protective effect of TNF β GG genotype (adjusted odds ratio (OR2) = 0.27, 95 % CI = 0.125-0.611, P = 0.001), HSP 70 (+2437) CC genotype (OR2 = 0.17, 95 % CI = 0.0430.69, P = 0.013), while AG genotype of TNF β was found significantly associated with risk of NPC (OR2 = 1.97, 95 % CI = 1.019-3.83, P = 0.04). Analysis of environmental factors demonstrated association of alcohol consumption, living in mud houses and use of firewood for cooking as major risk factors for NPC. Individual haplotype association analysis showed significant risk associated with GTGA haplotype (OR = 68.61, 95 % CI = 2.47-190.37, P = 0.013) while a protective effect with CCAA and GCGA haplotypes (OR = 0.19, 95 % CI = 0.05-0.75, P = 0.019; OR = 0.01 95 % CI = 0.05-0.30, P = 0.007). The multi-analytical approaches applied in this study helped in identification of distinct gene-gene and gene-environment interactions significant in risk assessment of NPC.
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10
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Nakayama S, Yokote T, Tsuji M, Akioka T, Miyoshi T, Hirata Y, Hiraoka N, Iwaki K, Takayama A, Nishiwaki U, Masuda Y, Hanafusa T. Expression of tumour necrosis factor-α and its receptors in Hodgkin lymphoma. Br J Haematol 2014; 167:574-7. [DOI: 10.1111/bjh.13015] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Shoko Nakayama
- Department of Internal Medicine (I); Osaka Medical College; Osaka Japan
| | - Taiji Yokote
- Department of Internal Medicine (I); Osaka Medical College; Osaka Japan
| | - Motomu Tsuji
- Department of Pathology; Osaka Medical College; Osaka Japan
| | - Toshikazu Akioka
- Department of Internal Medicine (I); Osaka Medical College; Osaka Japan
| | - Takuji Miyoshi
- Department of Internal Medicine (I); Osaka Medical College; Osaka Japan
| | - Yuji Hirata
- Department of Internal Medicine (I); Osaka Medical College; Osaka Japan
| | - Nobuya Hiraoka
- Department of Internal Medicine (I); Osaka Medical College; Osaka Japan
| | - Kazuki Iwaki
- Department of Internal Medicine (I); Osaka Medical College; Osaka Japan
| | - Ayami Takayama
- Department of Internal Medicine (I); Osaka Medical College; Osaka Japan
| | - Uta Nishiwaki
- Department of Internal Medicine (I); Osaka Medical College; Osaka Japan
| | - Yuki Masuda
- Department of Internal Medicine (I); Osaka Medical College; Osaka Japan
| | - Toshiaki Hanafusa
- Department of Internal Medicine (I); Osaka Medical College; Osaka Japan
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11
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Tian T, Wang M, Ma D. TNF-α, a good or bad factor in hematological diseases? Stem Cell Investig 2014; 1:12. [PMID: 27358858 PMCID: PMC4923506 DOI: 10.3978/j.issn.2306-9759.2014.04.02] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2013] [Accepted: 04/20/2014] [Indexed: 01/22/2023]
Abstract
Tumor necrosis factor-alpha (TNF-α) is a highly pleiotropic cytokine involved in a spectrum of physiological processes that control inflammation, anti-tumor responses and homeostasis through two receptors, TNF-R1 and TNF-R2. In general, TNF-R1 mediates cytotoxicity, resistance to infection and stimulation of NF-κB. By contrast, TNF-R2 has been implicated in proliferation of T-cell line, thymocytes and human mononuclear cells. Hematological malignancies are the types of cancer that affect normal hematopoiesis, have a speedy development, high lethal rate and until now still have no effective treatment. Several studies have shown that inflammatory cytokines play an important role in the onset and progress of these diseases. In this review, we summarize the recent studies and evaluate the positive or negative role of TNF-α in some hematological malignancies or diseases with a malignant tendency.
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Affiliation(s)
- Tian Tian
- Department of Hematology, Qilu Hospital, Shandong University, Jinan 250012, China
| | - Min Wang
- Department of Hematology, Qilu Hospital, Shandong University, Jinan 250012, China
| | - Daoxin Ma
- Department of Hematology, Qilu Hospital, Shandong University, Jinan 250012, China
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12
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TNF-α expression in tumor cells as a novel prognostic marker for diffuse large B-cell lymphoma, not otherwise specified. Am J Surg Pathol 2014; 38:228-34. [PMID: 24145654 DOI: 10.1097/pas.0000000000000094] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Several cytokines promote malignant cell growth and are therefore believed to contribute to disease aggressiveness. The cytokine tumor necrosis factor-α (TNF-α) acts as a tumor-promoting factor and has been linked to all tumorigenic stages in many cancers. Here, we evaluated 62 lymphoma tissue specimens from patients having diffuse large B-cell lymphoma, not otherwise specified (DLBCL, NOS) by immunostaining with anti-TNF-α antibody. Cytoplasmic TNF-α reactivity in ≥20% of the tumor cells was considered positive. Our results demonstrated that tumor specimens from DLBCL, NOS patients could be divided into 2 types-TNF-α positive (38 cases, 61%) and TNF-α negative (24 cases, 39%)--and that TNF-α positivity in DLBCL, NOS was correlated with poorer overall survival (OS; P=0.0005, log rank test) and progression-free survival (PFS; P=0.0330, log rank test) compared with TNF-α negativity. Cox regression analysis showed that TNF-α expression was a significant prognostic factor for OS (P<0.0001) and PFS (P=0.0323). Regarding OS and PFS, multivariate analysis showed that TNF-α expression in tumor cells was an independent prognostic factor for the International Prognostic Index (IPI). Therefore, TNF-α-positive DLBCL, NOS may constitute a unique subtype of DLBCL, NOS with an aggressive clinical course. The addition of TNF-α expression to the IPI may significantly improve the predictive prognostic value. The therapeutic strategy of DLBCL, NOS patients should be based on correct prognosis; therefore, patients with poor prognoses could be more accurately detected by evaluating both TNF-α expression levels and the IPI.
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13
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Zhang C, Sturgis EM, Zheng H, Zafereo ME, Wei Q, Li G. TNF-α promoter polymorphisms and risk of recurrence in patients with squamous cell carcinomas of the nonoropharynx. Int J Cancer 2014; 135:1615-24. [PMID: 24550071 DOI: 10.1002/ijc.28793] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2013] [Revised: 02/07/2014] [Accepted: 02/10/2014] [Indexed: 01/26/2023]
Abstract
Functional polymorphisms of tumor necrosis factor-alpha (TNF-α) may play a critical role in the regulation of immune and inflammatory responses and could affect transcriptional levels of the TNF-α gene and thus contribute to carcinogenesis and outcomes of cancer patients. In a cohort study, we explored the associations between TNF-α polymorphisms and risk of recurrence of squamous cell carcinoma of the nonoropharynx (SCCNOP). We used log-rank test and multivariable Cox models to evaluate the associations between TNF-α polymorphisms and risk of recurrence. In overall comparisons, patients with the TNF-α -857 CC, TNF-α -863 CC and TNF-α -1031 TT genotypes had significantly worse disease-free survival (log-rank, p = 0.014, log-rank, p = .020, and log-rank, p = .002, respectively) and higher risk of disease recurrence than patients with the corresponding variant genotypes, respectively (hazard ratio [HR], 1.4, 95% CI, 1.1-1.9, HR, 1.4, 95% CI, 1.0-1.8 and HR, 1.6, 95% CI, 1.2-2.2, respectively). However, no significant association was detected for the TNF-α -308 polymorphism. Moreover, in further stratified analyses based on smoking status and treatment, we found that the associations of the TNF-α -857, TNF-α -863 and TNF-α -1031 polymorphisms with risk of recurrence were more pronounced in smokers and patients treated with chemoradiation. Our findings support a significant role of the TNF-α -857, TNF-α -863 and TNF-α -1031 polymorphisms in recurrence of SCCNOP, especially in smokers and patients treated with chemoradiation. Future prospective studies with larger sample size are needed to confirm these findings.
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Affiliation(s)
- Caiyun Zhang
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX; Department of Otorhinolaryngology-Head and Neck Surgery, Changhai Hospital, Second Military Medical University, Shanghai, China
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14
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Zhang C, Sturgis EM, Zheng H, Song X, Wei P, Jin L, Chao L, Wei Q, Li G. Genetic variants in TNF-α promoter are predictors of recurrence in patients with squamous cell carcinoma of oropharynx after definitive radiotherapy. Int J Cancer 2013; 134:1907-15. [PMID: 24122460 DOI: 10.1002/ijc.28512] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2013] [Accepted: 09/16/2013] [Indexed: 12/13/2022]
Abstract
The promoter variants of TNF-α, a major regulator of immune and inflammation responses, have been implicated in cancer development and prognosis. Thus, we investigated associations between four TNF-α promoter variants and risk of recurrence of squamous cell carcinoma of the oropharynx (SCCOP). We evaluated associations of four TNF-α polymorphisms with risk of recurrence in a cohort of 846 patients with SCCOP. Log-rank test and multivariable Cox models were used to evaluate associations. Compared with patients with variant genotypes of the TNF-α -308 and TNF-α -863 polymorphisms, patients with common homozygous genotypes had worse disease-free survival (log-rank p = 0.0002 and p < 0.0001, respectively) and increased risk of SCCOP recurrence (HR, 1.9, 95% CI, 1.3-2.8 and HR, 1.9, 95% CI, 1.3-2.7, respectively) after multivariable adjustment. Furthermore, among patients with HPV16-positive tumors, those with common homozygous genotypes of the TNF-α -308 and -863 polymorphisms had worse disease-free survival (log-rank p = 0.005 and p = 0.007, respectively) and higher recurrence risk than patients with variant genotypes of these polymorphisms (HR, 5.1, 95% CI, 1.4-18.4 and HR, 3.7, 95% CI, 1.5-9.1, respectively), while no such significant associations were found for TNF-α -857 or -1031 polymorphisms. Our findings suggest that TNF-α -308 and -863 polymorphisms may modulate the risk of SCCOP recurrence in patients with HPV16-positive tumors. However, larger studies are needed to validate these results.
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Affiliation(s)
- Caiyun Zhang
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX; Department of Otorhinolaryngology-Head and Neck Surgery Changhai Hospital, Second Military Medical University, Shanghai, China
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Beason TS, Chang SH, Sanfilippo KM, Luo S, Colditz GA, Vij R, Tomasson MH, Dipersio JF, Stockerl-Goldstein K, Ganti A, Wildes T, Carson KR. Influence of body mass index on survival in veterans with multiple myeloma. Oncologist 2013; 18:1074-9. [PMID: 24048366 DOI: 10.1634/theoncologist.2013-0015] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
PURPOSE We investigated the association between body mass index (BMI) at the time of multiple myeloma (MM) diagnosis and overall survival in a cohort of patients within the Veterans Health Administration system. We also evaluated the association between weight loss in the year prior to diagnosis and survival. PATIENTS AND METHODS Prospective analysis was performed on a retrospectively assembled cohort of 2,968 U.S. veterans diagnosed and treated for MM between September 1, 1999, and September 30, 2009, with follow-up information through October 22, 2011. Cox modeling controlling for patient- and disease-related prognostic variables was used to analyze the data. RESULTS Underweight patients (BMI <18.5 kg/m2) had increased mortality, whereas patients who were overweight (BMI 25-29.9 kg/m2) and obese (BMI ≥30 kg/m2) had lower mortality compared with healthy-weight patients (BMI 18.5-24.9 kg/m2). Weight loss ≥10% of baseline in the year before diagnosis was also associated with increased mortality and made the association between increased BMI and survival nonsignificant. CONCLUSION Disease-related weight loss may be an important and heretofore unknown indicator of poor prognosis in MM. Assessment of weight loss prior to MM diagnosis should become a standard component of the clinical history in patients with newly diagnosed MM. Further research may identify relationships between disease-related weight loss and currently used prognostic factors in MM, further defining the role of this clinical factor in prognostic stratification.
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Affiliation(s)
- Tracey S Beason
- Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri, USA
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16
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Ponrartana S, Hu HH, Gilsanz V. On the relevance of brown adipose tissue in children. Ann N Y Acad Sci 2013; 1302:24-29. [DOI: 10.1111/nyas.12195] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
| | | | - Vicente Gilsanz
- Departments of Radiology; Los Angeles California
- Pediatrics, Children's Hospital Los Angeles; Los Angeles California
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Suzuki K, Terui Y, Nishimura N, Mishima Y, Sakajiri S, Yokoyama M, Takahashi S, Tsuyama N, Takeuchi K, Hatake K. Prognostic value of C-reactive protein, lactase dehydrogenase and anemia in recurrent or refractory aggressive lymphoma. Jpn J Clin Oncol 2012; 43:37-44. [PMID: 23166385 DOI: 10.1093/jjco/hys194] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE Prognostic predictors for newly diagnosed malignant lymphoma are well known. However, they have not been compared for patients with recurrent or refractory malignant lymphoma. METHODS We retrospectively analyzed biological prognostic predictors for patients with recurrent or refractory aggressive lymphoma, such as serum levels of C-reactive protein, lactate dehydrogenase, hemoglobin, β2-microglobulin and soluble interleukin-2 receptor before salvage therapy. The primary endpoint was overall survival after salvage treatment. First, univariate and multivariate analyses were performed for each of the parameters, using the log-rank test and Cox regression analysis, respectively. Secondly, we classified the patients into three risk groups on the basis of significant poor predictors. RESULTS Sixty-three patients, including 41 patients with diffuse large B-cell lymphoma, were included in this study. Overall survival was significantly worse in patients with elevated C-reactive protein level (hazard ratio 3.757; P = 0.017), elevated lactate dehydrogenase level (hazard ratio 3.948; P = 0.010) and anemia (hazard ratio 3.925; P = 0.016) by multivariate analysis. We classified patients into two groups based on these three biological parameters. The median overall survival of the high- and low-risk patients was 5.8 and 60.1 months, respectively (log-rank test; P < 0.001). The overall response rate was significantly higher among the low-risk patients than among the high-risk patients (71.4 versus 28.6%, P = 0.005). Those results were similar among all aggressive lymphoma and diffuse large B-cell lymphoma. CONCLUSIONS Elevated C-reactive protein level, elevated lactate dehydrogenase level and anemia before salvage treatment predicted poorer outcomes among patients with recurrent or refractory aggressive lymphoma.
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Affiliation(s)
- Kazuhito Suzuki
- Department of Medical Hematology/Oncology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo 1358550, Japan.
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18
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Chalfant JS, Smith ML, Hu HH, Dorey FJ, Goodarzian F, Fu CH, Gilsanz V. Inverse association between brown adipose tissue activation and white adipose tissue accumulation in successfully treated pediatric malignancy. Am J Clin Nutr 2012; 95:1144-9. [PMID: 22456659 PMCID: PMC3325837 DOI: 10.3945/ajcn.111.030650] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Although the accumulation of white adipose tissue (WAT) is a risk factor for disease, brown adipose tissue (BAT) has been suggested to have a protective role against obesity. OBJECTIVE We studied whether changes in BAT were related to changes in the amounts of subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT) in children treated for malignancy. DESIGN We examined the effect of BAT activity on weight, SAT, and VAT in 32 pediatric patients with cancer whose positron emission tomography-computed tomography (PET-CT) scans at diagnosis showed no BAT activity. Changes in weight, SAT, and VAT from diagnosis to remission for children with metabolically active BAT at disease-free follow-up (BAT+) were compared with those in children without visualized BAT when free of disease (BAT-). RESULTS Follow-up PET-CT studies (4.7 ± 2.4 mo later) after successful treatment of the cancer showed BAT+ in 19 patients but no active BAT (BAT-) in 13 patients. BAT+ patients, in comparison with BAT- patients, gained significantly less weight (3.3 ± 6.6% compared with 11.0 ± 11.6%; P = 0.02) and had significantly less SAT (18.2 ± 26.5% compared with 67.4 ± 71.7%; P = 0.01) and VAT (22.6 ± 33.5% compared with 131.6 ± 171.8%; P = 0.01) during treatment. Multiple regression analysis indicated that the inverse relations between BAT activation and measures of weight, SAT, and VAT persisted even after age, glucocorticoid treatment, and the season when the PET-CT scans were obtained were accounted for. CONCLUSION The activation of BAT in pediatric patients undergoing treatment of malignancy is associated with significantly less adipose accumulation. This trial was registered at clinicaltrials.gov as NCT01517581.
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Affiliation(s)
- James S Chalfant
- Department of Radiology, Children's Hospital Los Angeles, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
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19
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The Depiction of Brown Adipose Tissue Is Related to Disease Status in Pediatric Patients With Lymphoma. AJR Am J Roentgenol 2012; 198:909-13. [DOI: 10.2214/ajr.11.7488] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Hofer J, DeFrancesco TC, Williams LE. Detection of tumour necrosis factor-alpha in dogs with lymphoma*. Vet Comp Oncol 2011; 9:290-5. [DOI: 10.1111/j.1476-5829.2011.00267.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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21
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Hu HH, Gilsanz V. Developments in the imaging of brown adipose tissue and its associations with muscle, puberty, and health in children. Front Endocrinol (Lausanne) 2011; 2:33. [PMID: 22649372 PMCID: PMC3355993 DOI: 10.3389/fendo.2011.00033] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2011] [Accepted: 08/31/2011] [Indexed: 11/13/2022] Open
Abstract
Fusion positron emission and computed tomography (PET/CT) remains the gold-standard imaging modality to non-invasively study metabolically active brown adipose tissue (BAT). It has been widely applied to studies in adult cohorts. In contrast, the number of BAT studies in children has been few. This is largely limited by the elevated risk of ionizing radiation and radionuclide tracer usage by PET/CT and the ethical restriction of performing such exams on healthy children. However, metabolically active BAT has a significantly higher prevalence in pediatric patients, according to recent literature. Young cohorts thus represent an ideal population to examine the potential relationships of BAT to muscle development, puberty, disease state, and the accumulation of white adipose tissue. In turn, magnetic resonance imaging (MRI) represents the most promising modality to overcome the limitations of PET/CT. The development of rapid, repeatable MRI techniques to identify and quantify both metabolically active and inactive BAT non-invasively and without the use of exogenous contrast agents or the need for sedation in pediatric patients are critically needed to advance our knowledge of this tissue's physiology.
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Affiliation(s)
| | - Vicente Gilsanz
- *Correspondence: Vicente Gilsanz, Department of Radiology, Children’s Hospital of Los Angeles, 4650 Sunset Boulevard, MS #81, Los Angeles, CA 90027, USA. e-mail:
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Follicular lymphoma cell niche: identification of a preeminent IL-4-dependent T(FH)-B cell axis. Leukemia 2010; 24:2080-9. [PMID: 20944673 DOI: 10.1038/leu.2010.223] [Citation(s) in RCA: 110] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Follicular lymphoma (FL) B cells contract tight connections with their microenvironment, which governs the pathogenesis and progression of the disease. Indeed, specific immune response gene signatures, obtained from whole biopsy samples, have been associated with patient survival. In this study, we performed gene expression profiling of purified B cell and non-B cell compartments obtained from FL and reactive lymph nodes. We identified 677 non-redundant genes defining the FL interface and involving 26 FL-specific functional networks. This approach highlighted an interleukin-4 (IL-4)-centered pathway associated with an activation of signal transducer and activator of transcription 6 (STAT6), which favors overexpression of IL-4-target genes. In addition, FL microenvironment was characterized by a strong enrichment in follicular helper T cells (T(FH)), as demonstrated through transcriptomic and flow cytometry analyses. The majority of phospho-STAT6(pos) B cells were located at the vicinity of cells expressing the programmed death 1 (PD-1) T(FH) marker. Moreover, purified FL-derived T(FH), expressed IL4 at very high levels compared with purified tonsil-derived T(FH) or non-T(FH) microenvironment. Altogether, our study demonstrated that tumor-infiltrating T(FH) specifically express functional IL-4 in FL, creating an IL-4-dependent T(FH)-B cell axis. This cross talk could sustain FL pathogenesis and represent a new potential therapeutic target.
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23
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Relander T, Johnson NA, Farinha P, Connors JM, Sehn LH, Gascoyne RD. Prognostic Factors in Follicular Lymphoma. J Clin Oncol 2010; 28:2902-13. [DOI: 10.1200/jco.2009.26.1693] [Citation(s) in RCA: 119] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Follicular lymphoma (FL) is one of the most common types of non-Hodgkin's lymphoma. It is usually diagnosed at an advanced stage, for which many treatment options exist, however, no curative standard therapy has been identified. The outcome is highly variable with a median survival of approximately 10 years. The life expectancy of patients with FL has been extended with the use of rituximab, a monoclonal antibody targeting the CD20 antigen on FL cells, but there remains a group of patients who fail to respond to chemoimmunotherapy and die early of their disease. Transformation of FL to an aggressive histology is an important event with high morbidity and mortality. The Follicular Lymphoma International Prognostic Index has become the clinically useful prognostic tool, but gives only a rough estimate of expected outcome. There is a need for useful biomarkers for prediction of the disease course of single patients to individualize therapy, especially in the new era of chemoimmunotherapy.
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Affiliation(s)
- Thomas Relander
- From the Departments of Pathology & Laboratory Medicine and the Division of Medical Oncology, British Columbia Cancer Agency and the University of British Columbia, Vancouver, British Columbia, Canada
| | - Nathalie A. Johnson
- From the Departments of Pathology & Laboratory Medicine and the Division of Medical Oncology, British Columbia Cancer Agency and the University of British Columbia, Vancouver, British Columbia, Canada
| | - Pedro Farinha
- From the Departments of Pathology & Laboratory Medicine and the Division of Medical Oncology, British Columbia Cancer Agency and the University of British Columbia, Vancouver, British Columbia, Canada
| | - Joseph M. Connors
- From the Departments of Pathology & Laboratory Medicine and the Division of Medical Oncology, British Columbia Cancer Agency and the University of British Columbia, Vancouver, British Columbia, Canada
| | - Laurie H. Sehn
- From the Departments of Pathology & Laboratory Medicine and the Division of Medical Oncology, British Columbia Cancer Agency and the University of British Columbia, Vancouver, British Columbia, Canada
| | - Randy D. Gascoyne
- From the Departments of Pathology & Laboratory Medicine and the Division of Medical Oncology, British Columbia Cancer Agency and the University of British Columbia, Vancouver, British Columbia, Canada
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Plasma TNF-alpha and IL-10 level-based prognostic model predicts outcome of patients with diffuse large B-Cell lymphoma in different risk groups defined by the International Prognostic Index. Arch Immunol Ther Exp (Warsz) 2010; 58:131-41. [PMID: 20191326 DOI: 10.1007/s00005-010-0066-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2008] [Accepted: 07/20/2009] [Indexed: 10/19/2022]
Abstract
Tumor necrosis factor (TNF)-alpha and interleukin (IL)-10 are key cytokines involved in lymphoma development. Their pretreatment plasma levels were reported to influence the clinical course of non-Hodgkin's lymphoma. In this study the impact of combined elevation of TNF-alpha and IL-10 on disease features and outcome of patients with diffuse large B-cell lymphoma (DLBCL) were investigated. Plasma TNF-alpha and IL-10 levels were determined at the time of diagnosis in a group of 106 DLBCL patients uniformly treated with anthracycline-based regimens. Three risk groups depending on the pretreatment levels of the cytokines were identified: low-, intermediate-, and high-risk groups. In univariate analysis, the cytokine intermediate- and high-risk groups were associated with lower probability of achieving a complete remission (odds ratio [OR] = 0.2, 95% confidence interval [CI] 0.06-0.6, p = 0.006 and OR = 0.05, 95% CI 0.01-0.2, p < 0.0001, respectively) and shorter progression-free survival (PFS) (OR = 4.4, 95% CI 1.9-10.2, p < 0.001 and OR = 9.7, 95% CI 4.1-23.0, p < 0.0001, respectively) and overall survival (OS) (OR = 4.2, 95% CI 1.7-10.1, p = 0.002 and OR = 11.2, 95% CI 4.4-28.4, p < 0.0001, respectively) in comparison with the cytokine low-risk group. In multivariate analysis, the cytokine intermediate- and high-risk groups also correlated with shorter PFS (relative risk [RR] = 4.5, 95% CI 1.9-10.9, p = 0.001 and RR = 5.8, 95% CI 2.2-15.3, p < 0.0001, respectively) and OS (RR = 4.6, 95% CI 1.8-12.0, p = 0.001 and RR = 7.5, 95% CI 2.7-20.9, p < 0.0001, respectively) regardless of the International Prognostic Index (IPI) scoring system. The TNF-alpha and IL-10 level-based index may work as an additional model to the IPI for predicting the survival of DLBCL patients. This model may help to identify patients in a given IPI risk group for whom more accurate and risk-adapted treatment could be advised.
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25
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Kim S, Hagemann A, DeMichele A. Immuno-modulatory gene polymorphisms and outcome in breast and ovarian cancer. Immunol Invest 2009; 38:324-40. [PMID: 19811442 DOI: 10.1080/08820130902910567] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Breast and ovarian cancer continue to be a significant source of morbidity and mortality. Improved understanding of signalling pathways related to growth and apoptosis has led to targeted treatments and modest improvement in long term outcomes. However, it has become increasingly clear that tumor factors alone are not the sole determinants of outcome in patients with breast and ovarian cancer. The tumor microenvironment and other immunologic host processes play an integral role in the overall interactions between disease, host and treatment. Cytokines play a major role in the immune response to tumors. Single nucleotide polymorphisms (SNPs) in the regulatory or coding regions of many cytokine genes lead to functional alterations in the transcriptional regulation of these genes or the proteins they encode. This review examines the current literature linking functional variants in cytokine and other immune genes to outcomes in breast and ovarian cancer. We have focused on those involved in the proinflammatory response (IL-6, TNF-alpha), apoptosis (TGF-beta, Fas, FasL, C1QA), angiogenesis (IL-8) and autoimmunity (IL-10). While much remains to be learned about the mechanisms underlying these variants and their impact on tumor behavior, this area holds promise for future development of prognostic profiles and therapeutics exploiting the immune response.
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Affiliation(s)
- Sarah Kim
- Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, PA 19104, USA
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26
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Gilliam LAA, Ferreira LF, Bruton JD, Moylan JS, Westerblad H, St Clair DK, Reid MB. Doxorubicin acts through tumor necrosis factor receptor subtype 1 to cause dysfunction of murine skeletal muscle. J Appl Physiol (1985) 2009; 107:1935-42. [PMID: 19779154 DOI: 10.1152/japplphysiol.00776.2009] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Cancer patients receiving doxorubicin chemotherapy experience both muscle weakness and fatigue. One postulated mediator of the muscle dysfunction is an increase in tumor necrosis factor-alpha (TNF), a proinflammatory cytokine that mediates limb muscle contractile dysfunction through the TNF receptor subtype 1 (TNFR1). Our main hypothesis was that systemic doxorubicin administration would cause muscle weakness and fatigue. Systemic doxorubicin administration (20 mg/kg) depressed maximal force of the extensor digitorum longus (EDL; P < 0.01), accelerated EDL fatigue (P < 0.01), and elevated serum TNF levels (P < 0.05) 72 h postinjection. Genetic TNFR1 deficiency prevented the fall in specific force caused by systemic doxorubicin, without protecting against fatigue (P < 0.01). These results demonstrate that clinical doxorubicin concentrations disrupt limb muscle function in a TNFR1-dependent manner.
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Affiliation(s)
- Laura A A Gilliam
- Department of Physiology, 3Graduate Center for Toxicology, University of Kentucky, Lexington, Kentucky 40536-0298, USA
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27
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Jevtovic-Stoimenov T, Kocic G, Pavlovic D, Macukanovic-Golubovic L, Marjanovic G, Djordjevic V, Tosić N, Pavlović S. Polymorphisms of tumor-necrosis factor-alpha - 308 and lymphotoxin-alpha + 250: possible modulation of susceptibility to apoptosis in chronic lymphocytic leukemia and non-Hodgkin lymphoma mononuclear cells. Leuk Lymphoma 2009; 49:2163-9. [PMID: 19021060 DOI: 10.1080/10428190802381220] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Tumor necrosis factor alpha (TNF-alpha) and lymphotoxin alpha (LT-alpha) have been shown to play an important role in the pathogenesis of limphoproliferative disease. Both cytokines regulate cell-survival and cell-death in leukemic cells. TNF-alpha and LT-alpha are highly produced in chronic lymphotic leukemia (CLL) and non-Hodgkin lymphoma (NHL) patients. Genetic polymorphism within regulatory regions of these cytokine genes can alter their expression levels. This study investigates an influence of TNF-alpha - 308 and LT-alpha + 250 polymorphisms on the activity of alkaline DNase in mononuclear cells of both patient groups as a potent biochemical marker of DNA fragmentation in the terminal phase of apoptosis. Study was performed on mononuclear cells of CLL and NHL patients. SNP were obtained by PCR-RFLP method. The activity of alkaline DNase was measured by spectrophotometric method. The study provided evidence of the influence of TNFG/A genotype and A alleles in the susceptibility to NHL, since the association of LT-alphaG/G genotype with CLL was observed. High-producing TNF-alpha - 308/LT-alpha + 250 heterozygous haplotype is associated with high NHL incidence. The investigated SNP influence the activity of alkaline DNase in CLL and NHL patients. The observed polymorphisms may modulate susceptibility of leukemic cells to apoptosis by way of DNase activity.
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28
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Friedberg J, Jacobsen E, Neuberg D, Kutok J, Munoz O, Boussiotis V, Reynolds H, Fisher D, Szot A, Van Den Abbeele A, Freedman A. Targeting the follicular lymphoma microenvironment through blockade of TNFalpha with etanercept. Leuk Lymphoma 2008; 49:902-9. [PMID: 18464109 DOI: 10.1080/10428190801950033] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Follicular dendritic cells (FDCs) support the survival of follicular lymphoma (FL). Tumor necrosis factor alpha (TNFalpha) is overexpressed by FL cells and is critical in the development and maintenance of FDCs. We hypothesised that TNFalpha might be an ideal therapeutic target. We treated seven patients with relapsed/refractory FL with 8 weeks of etanercept, 25 mg SC on day 1 and 4 of each week. Patients without progression received 16 additional weeks of etanercept. All patients completed at least 8 weeks of etanercept and two patients completed 24 weeks. At the 8 week evaluation five patients had SD. Of the five with SD, two progressed at 9 and 12 weeks on therapy and the remaining three progressed between 12 and 24 weeks after initiating therapy. Minimal toxicity was observed. FDG-PET imaging demonstrated decreases in standardized uptake value (SUV) following treatment with etanercept in five patients. Further studies in FL targeting the microenvironment in conjunction with standard cytotoxic therapy are warranted.
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Affiliation(s)
- Jonathan Friedberg
- James P. Wilmot Cancer Centre, University of Rochester, Rochester, NY, USA
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29
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Cheung MC, Imrie KR. Targeting the follicular lymphoma microenvironment - ready for prime-time? Leuk Lymphoma 2008; 49:837-8. [PMID: 18464100 DOI: 10.1080/10428190802023715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Matthew C Cheung
- Division of Hematology/Medical Oncology, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada
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Wallentine JC, Kim KK, Seiler CE, Vaughn CP, Crockett DK, Tripp SR, Elenitoba-Johnson KSJ, Lim MS. Comprehensive identification of proteins in Hodgkin lymphoma-derived Reed-Sternberg cells by LC-MS/MS. J Transl Med 2007; 87:1113-24. [PMID: 17876297 DOI: 10.1038/labinvest.3700672] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Mass spectrometry-based proteomics in conjunction with liquid chromatography and bioinformatics analysis provides a highly sensitive and high-throughput approach for the identification of proteins. Hodgkin lymphoma is a form of malignant lymphoma characterized by the proliferation of Reed-Sternberg cells and background reactive lymphocytes. Comprehensive analysis of proteins expressed and released by Reed-Sternberg cells would assist in the discovery of potential biomarkers and improve our understanding of its pathogenesis. The subcellular proteome of the three cellular compartments from L428 and KMH2 Hodgkin lymphoma-derived cell lines were fractionated, and analyzed by reverse-phase liquid chromatography coupled with electrospray ionization tandem mass spectrometry. Additionally, proteins released by Hodgkin lymphoma-derived L428 cells were extracted from serum-free culture media and analyzed. Peptide spectra were analyzed using TurboSEQUEST against the UniProt protein database (5.26.05; 188 712 entries). A subset of the identified proteins was validated by Western blot analysis, immunofluorescence microscopy and immunohistochemistry. A total of 1945 proteins were identified with 785 from the cytosolic fraction, 305 from the membrane fraction, 441 from the nuclear fraction and 414 released proteins using a minimum of two peptide identifications per protein and an error rate of <5.0%. Identification of proteins from diverse functional groups reflected the functional complexity of the Reed-Sternberg proteome. Proteins with previously reported oncogenic function in other cancers and from signaling pathways implicated in Hodgkin lymphoma were identified. Selected proteins without previously demonstrated expression in Hodgkin lymphoma were validated by Western blot analysis (B-RAF, Erb-B3), immunofluorescence microscopy (Axin1, Tenascin-X, Mucin-2) and immunohistochemistry using a tissue microarray (BRAF, PIM1). This study represents the first comprehensive inventory of proteins expressed by Reed-Sternberg cells of Hodgkin lymphoma and demonstrates the utility of combining cellular subfractionation, protein precipitation, tandem mass spectrometry and bioinformatics analysis for comprehensive identification of proteins that may represent potential biomarkers of the disease.
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Affiliation(s)
- Jeremy C Wallentine
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT, USA
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31
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Nowak J, Kalinka-Warzocha E, Juszczyński P, Mika-Witkowska R, Zajko M, Graczyk-Pol E, Coiffier B, Salles G, Warzocha K. Haplotype-specific pattern of association of human major histocompatibility complex with non-Hodgkin's lymphoma outcome. ACTA ACUST UNITED AC 2007; 71:16-26. [PMID: 17971052 DOI: 10.1111/j.1399-0039.2007.00954.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In the previous studies, some human major histocompatibility complex (MHC) genes such as TNF, LTA and human leukocyte antigen (HLA)-DR2 genes and A1-B8-TNF(-308A) haplotype were implied in non-Hodgkin's lymphoma (NHL) outcome. In the current study, we have assigned most probable six-locus haplotypes determined by HLA-A, -Cw, -B and -DRB1 highly polymorphic genes and non-HLA LTA(+252) and TNF(-308) single nucleotide polymorphisms (SNPs) in 152 NHL Caucasian French patients. We have broadly mapped the MHC region by its component blocks and tagging alleles. Ten frequent (with haplotype frequency >1%) six-locus extended haplotypes (EHs) were revealed in NHL patients. The only two adjacent locus fragment of 8.1 EH associated with shortened freedom from progression (FFP) was B*08-LTA(+252G) (P= 0.0084, RR = 2.45). Interestingly, 305-kbp-long, four-locus fragment of 8.1 EH, Cw*07-B*08-LTA(+252G)-TNF(-308A) block was much strongly associated with shortened FFP (P= 0.00045, RR = 3.26). The analysis of further extended haploblocks comprising five or six loci showed weaker association with outcome measures, suggesting linkage disequilibrium to be the cause of DRB1*03 and A*01 allele associations. In contrast, all fragments of 7.1 EH influenced FFP favorably with top association of TNF(-308G) allele. In multivariate analysis, only Cw*07-B*08-LTA(+252G)-TNF(-308A) and TNF(-308G)-DRB1*01 haplotypes remained predictive for shortened FFP (P= 0.024 and 0.027, respectively) and independent of International Prognostic Index (P= 0.00044). This study reveals that the block composition of EHs may cause important functional differences for NHL outcomes. Further study will be required in NHL patients by fine mapping with dense microsatellite or SNP tags to define susceptibility genes in associating regions.
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Affiliation(s)
- J Nowak
- Laboratory of Immunogenetics, Institute of Haematology and Transfusion Medicine, Warsaw, Poland
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Hasselblom S, Sigurdadottir M, Hansson U, Nilsson-Ehle H, Ridell B, Andersson PO. The number of tumour-infiltrating TIA-1+ cytotoxic T cells but not FOXP3+ regulatory T cells predicts outcome in diffuse large B-cell lymphoma. Br J Haematol 2007; 137:364-73. [PMID: 17456059 DOI: 10.1111/j.1365-2141.2007.06593.x] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The prognostic significance of tumour-infiltrating lymphocytes (TILs) in patients with diffuse large B-cell lymphoma (DLBCL) remains controversial. Furthermore, the possible impact of regulatory T cells (T(regs)) on survival in DLBCL is still unknown. We performed a retrospective study on the immunohistochemical expression of cytotoxic cells and T(regs), and their correlation with survival in 195 DLBCL patients. Patients with a small number of cytotoxic T-cell intracytoplasmic antigen-1 (TIA-1)+ T cells (< or =260 cells/mm(2) tumour area; n = 52) had significantly better outcome than patients with a large number (>260 cells/mm(2); n = 143); progression-free survival (PFS) at 5 years was 67% vs. 50% (P = 0.03) and overall survival (OS) was 73% vs. 57% (P = 0.03). In multivariate analysis, the low TIA-1+ group still had a better PFS (relative risk 0.75, 95% confidence interval 0.31-0.99; P = 0.05). The number of forkhead box protein 3 (FOXP3)+ T(regs) had no influence on PFS (P = 0.89) or OS (P = 0.75). These results suggest that immunohistochemical analysis of cytotoxic T cells at time of diagnosis could provide additional prognostic information. The lack of correlation between the number of FOXP3+ cells and survival could possibly indicate that tumour-infiltrating T(regs) are of less clinical importance in DLBCL. However, these findings need to be explored in functional studies.
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Affiliation(s)
- Sverker Hasselblom
- Section of Haematology and Coagulation, Department of Internal Medicine, Sahlgrenska University Hospital, Göteborg, Sweden.
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33
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Purdue MP, Lan Q, Kricker A, Grulich AE, Vajdic CM, Turner J, Whitby D, Chanock S, Rothman N, Armstrong BK. Polymorphisms in immune function genes and risk of non-Hodgkin lymphoma: findings from the New South Wales non-Hodgkin Lymphoma Study. Carcinogenesis 2007; 28:704-12. [PMID: 17056605 DOI: 10.1093/carcin/bgl200] [Citation(s) in RCA: 103] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Recent findings suggest that genetic polymorphisms in TNF and IL10 are associated with an increased risk of non-Hodgkin lymphoma (NHL), particularly for diffuse large B-cell lymphoma (DLBCL). To further investigate the contribution of common genetic variation in key cytokine and innate immunity genes to the etiology of NHL, we genotyped participants in a case-control study of NHL conducted in Australia (545 cases, 498 controls). We investigated 36 single nucleotide polymorphisms in IL10, TNF and 21 other immune function genes. We observed an elevated risk of DLBCL with the IL10 -3575T>A polymorphism [TA genotype: odds ratio (OR)=1.32, 95% confidence interval (CI)=0.86-2.02; AA, OR=1.84, 95% CI=1.10-3.08; trend test, P=0.02]. Our most noteworthy TNF finding was an association between -857C>T and a decreased risk of NHL (CT or TT, OR=0.59, 95% CI=0.42-0.84, P=0.003) and particularly follicular lymphoma (OR=0.40, 95% CI=0.23-0.68, P=0.0009). Additionally, TNF -863C>A was associated with an elevated risk of DLBCL (CA, OR=1.45, 95% CI=0.95-2.21; AA, OR=2.06, 95% CI=0.88-4.83; trend test, P=0.02). Our findings offer further evidence that variation in the IL10 and TNF loci influences NHL risk. Additional studies are needed to clarify the genetic and biologic basis for these relationships.
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MESH Headings
- Adult
- Aged
- Amino Acid Substitution
- Chromosome Mapping
- Female
- Humans
- Interleukins/genetics
- Lymphoma, B-Cell/epidemiology
- Lymphoma, B-Cell/genetics
- Lymphoma, B-Cell/immunology
- Lymphoma, Non-Hodgkin/epidemiology
- Lymphoma, Non-Hodgkin/genetics
- Lymphoma, Non-Hodgkin/immunology
- Lymphotoxin-alpha/genetics
- Male
- Middle Aged
- New South Wales/epidemiology
- Polymorphism, Genetic
- Polymorphism, Single Nucleotide
- Receptors, Cell Surface/genetics
- Receptors, Leptin
- Registries
- Risk Factors
- Tumor Necrosis Factor-alpha/genetics
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Affiliation(s)
- Mark P Purdue
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD 20892-7240, USA.
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34
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Goto N, Tsurumi H, Takemura M, Hara T, Sawada M, Kasahara S, Kanemura N, Yamada T, Shimizu M, Takahashi T, Tomita E, Seishima M, Takami T, Moriwaki H. Serum-soluble tumor necrosis factor receptor 2 (sTNF-R2) level determines clinical outcome in patients with aggressive non-Hodgkin's lymphoma. Eur J Haematol 2006; 77:217-25. [PMID: 16856931 DOI: 10.1111/j.1600-0609.2006.00702.x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Recently investigators have worked to identify prognostic factors in non-Hodgkin's lymphoma (NHL) so an appropriate therapeutic plan can be put in action. The aim of the present study was to assess the prognostic significance of serum soluble tumor necrosis factor receptor (sTNF-R) 2 in aggressive NHL. METHODS One hundred and ten consecutive patients with aggressive NHL who were previously untreated (diffuse large B-cell lymphoma; 94, peripheral T-cell lymphoma; 16) were prospectively enrolled in this study between 1997 and 2002. The patients were treated with 6-8 cycles of CHOP or THP-COP regimens. RESULTS High serum sTNF-Rs level was associated with some poor prognostic factors and low complete remission rate. Patients with high sTNF-R1 (4 ng/mL and over) and sTNF-R2 (15 ng/mL and over) at onset had significantly lower survival rates (5 yr: 19%, 19%) than those with low sTNF-R1 (under 4 ng/mL) and sTNF-R2 (under 15 ng/mL) (62% and 69%), respectively (P < 0.0005 and 0.0001). Multivariate analysis employing sTNF-R2 and some conventional prognostic factors demonstrated that a combination of sTNF-R2 and performance status, and that of sTNF-R2, sIL-2R, and LDH were significant prognostic factors for poor overall survival and for poor event-free survival, respectively. In addition, we attempted to use sTNF-R2 in combination with the international prognostic index (IPI). The patients in the high risk group and those with high sTNF-R2 in the low-intermediate (LI)/high-intermediate (HI) risk group had significantly lower survival rates than the patients in the low risk group and those with low sTNF-R2 in LI/HI risk group (P < 0.0001). CONCLUSIONS The results suggest that a high serum sTNF-R2 level predicts a poor prognosis in aggressive NHL and may be a useful biomarker for selecting appropriate treatment when used in combination with the IPI.
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Affiliation(s)
- Naoe Goto
- First Department of Internal Medicine, Gifu University School of Medicine, Gifu, Japan
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35
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Vaughn CP, Crockett DK, Lin Z, Lim MS, Elenitoba-Johnson KSJ. Identification of proteins released by follicular lymphoma-derived cells using a mass spectrometry-based approach. Proteomics 2006; 6:3223-30. [PMID: 16586435 DOI: 10.1002/pmic.200500539] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The recent advent of mass spectrometry-based methodologies for the analysis of complex protein mixtures opens new opportunities for the discovery of biomarkers that may aid in the diagnostic work-up of cancer. Follicular lymphoma (FL) is the most common form of low-grade non-Hodgkin lymphoma in the Western Hemisphere. Identification of tumor markers that facilitate early disease detection would be a significant advance in the management of FL. We have employed a strategy that entailed propagation of a follicular-derived cell line in serum-free media, protein extraction, and reverse-phase liquid chromatography, with subsequent electrospray ionization and tandem mass spectrometry analysis for the identification of proteins that are released by FL. Using a two-peptide minimum per protein and standard criteria, 209 proteins (5.6% maximum predicted error rate) released from the FL cells were identified. The released proteins included several growth factors, cytokines, acute phase reactants and cellular components previously known to be present in FL cells. Importantly, a greater proportion of proteins previously unassociated with FL were identified with high statistical confidence. Our studies provide a list of proteins, which may be candidates for early screening, diagnosis and therapeutic monitoring of patients with a suspected or biopsy-confirmed diagnosis of FL.
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Affiliation(s)
- Cecily P Vaughn
- ARUP Institute for Clinical and Experimental Pathology, Salt Lake City, UT 84132, USA
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36
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Anderegg U, Breitschwerdt K, Köhler MJ, Sticherling M, Haustein UF, Simon JC, Saalbach A. MEL4B3, a novel mRNA is induced in skin tumors and regulated by TGF-beta and pro-inflammatory cytokines. Exp Dermatol 2005; 14:709-18. [PMID: 16098131 DOI: 10.1111/j.0906-6705.2005.00349.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Tumor-stroma interactions play a decisive role in the growth and metastasis of solid tumors, and involve signalling either by soluble mediators or direct cell-cell interaction. Here, we report the isolation and characterisation of a novel cDNA (MEL4B3), which is induced in cultured dermal fibroblasts exposed to supernatants of melanoma cell lines. MEL4B3 shares high homology with two predicted cDNA sequences for which no activity has so far been described. In situ hybridisation revealed the expression of MEL4B3 in malignant melanoma increasing with tumor depth; in basal cell carcinoma and in squamous cell carcinoma. MEL4B3 was barely detectable in normal skin or non-malignant melanocytic naevi. Furthermore, MEL4B3 was expressed at high level in the epidermis of psoriatic skin. In vitro, the expression of MEL4B3 was found to be induced by the exposure of human dermal fibroblasts to melanoma cell culture supernatants or to transforming growth factor-beta, interleukin-1 and tumor necrosis factor-alpha. The expression MEL4B3 therefore reflects closely cell activation occurring during tumor growth, metastasis and inflammation.
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Affiliation(s)
- Ulf Anderegg
- Saxon Academy of Science in Leipzig, University of Leipzig, Leipzig, Germany.
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37
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Pedersen LM, Jürgensen GW, Johnsen HE. Serum levels of inflammatory cytokines at diagnosis correlate to the bcl-6 and CD10 defined germinal centre (GC) phenotype and bcl-2 expression in patients with diffuse large B-cell lymphoma. Br J Haematol 2005; 128:813-9. [PMID: 15755285 DOI: 10.1111/j.1365-2141.2005.05393.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Circulating inflammatory cytokines have a prognostic impact independent of the information provided by the International Prognostic Index (IPI) in diffuse large B-cell lymphoma (DLBCL). The present study characterized prognostic cytokines in relation to stage-specific B-cell differentiation antigens and bcl-2 protein expression, assessed by immunohistochemistry in de novo DLBCL. Serum levels of interleukin 6 (IL-6) and tumour necrosis factor alpha (TNF-alpha) were found to be significantly lower in patients with a germinal centre (GC) phenotype (co-expression of bcl-6 and CD10) compared with the non-GC phenotype. IL-6 and TNF-alpha levels were significantly elevated in patients expressing bcl-2 protein. Serum levels of vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF) were not associated with the GC phenotype. On the contrary, both VEGF and bFGF were strongly correlated to bcl-2 expression. In survival analysis, IPI score remained the most important independent prognostic factor. However, IL-6 and VEGF, combined with non-GC phenotype and bcl-2 positivity, respectively, had a similar independent prognostic power as the IPI. In conclusion, our data suggest that inflammatory cytokines are differently distributed in the GC and non-GC phenotypes and correlate to bcl-2 expression. Combining these biomarkers may add to the prognostic information given by clinical variables in the IPI alone.
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Affiliation(s)
- Lars M Pedersen
- Department of Haematology, Herlev Hospital, University of Copenhagen, DK-2730 Herlev, Denmark.
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38
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Minisini A, Spazzapan S, Crivellari D, Aapro M, Biganzoli L. Incidence of febrile neutropenia and neutropenic infections in elderly patients receiving anthracycline-based chemotherapy for breast cancer without primary prophylaxis with colony-stimulating factors. Crit Rev Oncol Hematol 2005; 53:125-31. [PMID: 15661563 DOI: 10.1016/j.critrevonc.2004.11.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/04/2004] [Indexed: 11/24/2022] Open
Abstract
There is concern about the potential increase of hematological toxicity in elderly patients treated with chemotherapy. Recently, primary prophylaxis with colony-stimulating factors (CSFs) was proposed for elderly patients receiving moderately toxic chemotherapy. However, evidence for the benefits of this primary prophylaxis for elderly breast cancer patients is currently lacking. We retrospectively analyzed the incidence of febrile neutropenia (FN) and neutropenic infections in elderly breast cancer patients receiving anthracycline-based chemotherapy without primary prophylaxis with colony-stimulating factors. In addition, we assessed the direct costs of hospitalization for these complications. Febrile neutropenia or neutropenic infection occurred in 13% of the 46 patients. Further studies are needed to adequately evaluate the risk of neutropenic complications (NC) in elderly patients receiving standard-dose chemotherapy for breast cancer and the potential benefits of primary prophylaxis with colony-stimulating factors.
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Affiliation(s)
- A Minisini
- Unit of Chemotherapy, Institut J. Bordet, B-1000 Bruxelles, Belgium
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39
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Jurisić V, Konjević G, Jancić-Nedeljkov R, Sretenović M, Banicević B, Colović M, Spuzić I. The comparison of spontaneous LDH release activity from cultured PBMC with sera LDH activity in non-Hodgkin's lymphoma patients. Med Oncol 2004; 21:179-85. [PMID: 15299190 DOI: 10.1385/mo:21:2:179] [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] [Received: 01/06/2004] [Accepted: 02/23/2004] [Indexed: 11/11/2022]
Abstract
Based on the fact that lactate dehydrogenase (LDH) enzyme is a very sensitive indicator of the cellular metabolic state, aerobic or anaerobic direction of glycolysis, activation status, and malignant transformation, in this study we compared values of the spontaneous LDH release from circulating PBMC with sera LDH activity in 53 different subtypes of non-Hodgkin's lymphoma (NHL) patients. Results shows that serum LDH was significantly (p < 0.05) elevated in comparison to the range values only in the advance clinical stage (III and IV) in all investigated subtypes of NHL according to The Working and REAL classification. On the other hand, the spontaneous LDH release from cultures PBMC is significantly (p < 0.01) elevated in early and advanced stage in all investigated forms of NHL in comparison to healthy controls. Based on consideration that an increase in spontaneous LDH release appears before elevated sera LDH activity, we conclude that determination of spontaneous LDH release by microassay from cultured cells together with other findings may help in the diagnosis of NHL patients, especially in patients with early stage of disease.
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Affiliation(s)
- V Jurisić
- Institute of Oncology and Radiology of Serbia, School of Medicine University Kragujevac, Serbia.
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40
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Jurisić V, Bogdanovic G, Srdic T, Jakimov D, Mrdjanovic J, Baltic M, Baltic VV. Modulation of TNF-α activity in tumor PC cells using anti-CD45 and anti-CD95 monoclonal antibodies. Cancer Lett 2004; 214:55-61. [PMID: 15331173 DOI: 10.1016/j.canlet.2004.05.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2003] [Revised: 04/20/2004] [Accepted: 05/10/2004] [Indexed: 10/26/2022]
Abstract
TNF-alpha is a pleiotropic cytokine produced by activated T-cytotoxic lymphocytes and NK cells that is involved in signal transduction after interacting with the appropriate cell surface receptors. The modulation of signals by TNF-alpha receptor super-family is involved in the regulation of cell activation, proliferation, differentiation and control of the cell survival including cell death by apoptosis and necrosis. We have monitored the kinetics of apoptosis/necrosis on PC cells, after TNF-alpha exposure of pre-treated cells to anti-CD95 and anti-CD45 monoclonal antibodies. The results showed that in comparison with untreated cells, TNF-alpha, after 6-24 h of incubation significantly increased apoptosis and necrosis in PC cells. These effects were significantly different in comparison to both untreated cells and cells pre-treated with anti-CD45 monoclonal antibodies. However, TNF-alpha on PC cells pre-treated with anti-CD95 monoclonal antibody significantly decreased apoptotic and necrotic form of cell death. We concluded that anti-CD45 and CD95 monoclonal antibodies modulates the effect of TNF-alpha on this cell line in vitro, and that these molecules participate in TNF-alpha cytotoxic response.
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Affiliation(s)
- Vladimir Jurisić
- Institute of Oncology in Sremska Kamenica, Novi Sad, Serbia and Montenegro.
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41
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Giordani L, Bruzzi P, Lasalandra C, Quaranta M, Schittulli F, Della Ragione F, Iolascon A. Association of Breast Cancer and Polymorphisms of Interleukin-10 and Tumor Necrosis Factor-α Genes. Clin Chem 2003; 49:1664-7. [PMID: 14500594 DOI: 10.1373/49.10.1664] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Lucia Giordani
- Department of Biomedicine Evolutive Age, University of Bari, 70124 Bari, Italy
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42
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Schultz RM. Potential of p38 MAP kinase inhibitors in the treatment of cancer. PROGRESS IN DRUG RESEARCH. FORTSCHRITTE DER ARZNEIMITTELFORSCHUNG. PROGRES DES RECHERCHES PHARMACEUTIQUES 2003; 60:59-92. [PMID: 12790339 DOI: 10.1007/978-3-0348-8012-1_2] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
The involvement of chronic inflammation in tumor development and progression is reviewed. Based on the natural history of certain diseases and epidemiology studies, a strong association has been established between particular chronic inflammatory conditions and eventual tumor appearance. Solid tumors require a stroma for their growth and recruit macrophages to synthesize essential growth and angiogenic factors that they do not have the capacity to produce. The microenvironment of the local host tissue appears to be an active participant in exchanging cytokines and enzymes with tumor cells that modify the local extracellular matrix, stimulate migration, and promote tumor angiogenesis, proliferation and survival. The role of p38 MAP kinase as a therapeutic target for treating cancer is discussed.
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Affiliation(s)
- Richard M Schultz
- Lilly Research Laboratories, Division of Cancer Research, Indianapolis, IN 46285, USA.
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43
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Jalbout M, Bouaouina N, Gargouri J, Corbex M, Ben Ahmed S, Chouchane L. Polymorphism of the stress protein HSP70-2 gene is associated with the susceptibility to the nasopharyngeal carcinoma. Cancer Lett 2003; 193:75-81. [PMID: 12691826 DOI: 10.1016/s0304-3835(02)00697-3] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Several studies have shown statistical evidence of association between nasopharyngeal carcinoma (NPC) and specific human leukocyte antigen (HLA) alleles and highlighted the presence of candidate genes for this cancer within or nearby the HLA. Given their chromosomal location within HLA and their determining role in the immune response to tumor cells, we designed a case-controlled study to investigate the potential association of the genetic variation of the tumor necrosis factor-alpha (TNF-alpha) and that of the heat shock protein 70-2 (HSP70-2) with NPC. We used the polymerase chain reaction and restriction enzyme digestion to characterize the variation of the TNF-alpha promoter region and that of the HSP70-2 gene in 140 Tunisian patients with primary NPC and 274 healthy control subjects. No association was found between genetic variations in TNF-alpha and the risk of NPC in Tunisians. In contrast, a significant relative risk of NPC was found associated with the HSP70-2 homozygous genotype (P2/P2) (OR=2.309; P=0.006). The P2/P2 genotype of the HSP70-2 gene may be a marker of increased risk of NPC in Tunisians.
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Affiliation(s)
- Majida Jalbout
- Laboratoire d'Immuno-Oncologie Moléculaire, Faculté de Médecine de Monastir, Monastir 5019, Tunisia
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Vriesendorp HM, Vriesendorp FJ. A review of the intravenous administration of radiolabeled immunoglobulin G to cancer patients. High or low protein dose? Cancer Biother Radiopharm 2003; 18:35-46. [PMID: 12667307 DOI: 10.1089/108497803321269313] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
This retrospective analysis of preclinical and clinical radiolabeled immunoglobulin studies focuses on three well-known observations: (1) IV tumor reactive IgG provides higher response rates in patients with hematological malignancies than in patients with solid tumors. (2) Patients with CD20 positive B cell lymphoma require a high IV IgG protein dose for effective tumor targeting. (3) Most patients experience high uptake of IV administered radiolabeled IgG in normal liver. This review supports the following new hypotheses: (1) The blood-tumor barrier in most solid tumors is higher than in most hematological malignancies. (2) The blood-tumor barrier in CD20 positive B cell lymphomas is lowered by the IV administration of high doses [> 100 mg] of anti-CD20 IgG, presumably due to IgG induced intra-tumoral production of vaso-active biological response modifiers. (3) The blood-tumor barrier is low in Hodgkin's disease, presumably due to the continuous and innate production of biological response modifiers in tissues containing Hodgkin's disease. (4) The uptake of tumor reactive IgG in the normal liver is controlled by the Fc portion of the IgG. The radioimmunoconjugate is not catabolized in the liver. This appears to indicate that the F(c) portion of the IgG binds to the MHC class I like, F(c)gammaRn receptors in liver endothelium and hepatocytes and not to F(c)gamma RI, RII or RIII receptors The new hypotheses require verification and can be instrumental in the design of new more effective clinical RIT studies.
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Affiliation(s)
- Huib M Vriesendorp
- Department of Radiation Oncology, Marshfield Clinic, Marshfield, Wisconsin, USA.
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45
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Wilson EA, Jobanputra S, Jackson R, Parker AN, McQuaker IG. Response to thalidomide in chemotherapy-resistant mantle cell lymphoma: a case report. Br J Haematol 2002; 119:128-30. [PMID: 12358916 DOI: 10.1046/j.1365-2141.2002.03810.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Mantle cell lymphoma is an aggressive B-cell lymphoma with a poor median survival despite conventional therapy. Here, we present the case of a patient with multiply relapsed mantle cell lymphoma, having failed treatment with chemotherapy, steroids and rituximab. He was treated with single-agent thalidomide at a dose of 800 mg daily and entered a good partial remission which was maintained for the next 6 months. There is clearly a need for further studies of thalidomide in mantle cell lymphoma to confirm this promising initial result.
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Affiliation(s)
- Edward A Wilson
- Haematology Department and Pathology Department, Glasgow Royal Infirmary, Glasgow, UK
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46
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Lilli C, Marinucci L, Bellocchio S, Ribatti D, Balducci C, Baroni T, Cagini L, Giustozzi G, Locci P. Effects of transforming growth factor-beta1 and tumour necrosis factor-alpha on cultured fibroblasts from skin fibroma as modulated by toremifene. Int J Cancer 2002; 98:824-32. [PMID: 11948458 DOI: 10.1002/ijc.10306] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
To determine how toremifene, an anti-oestrogen triphenylethylene derivate, reduces tumour mass, we investigated its modulation of TGF-beta1 and TNF-alpha in fibroma fibroblasts. Normal and fibroma fibroblasts, isolated from patients affected by Gardner's syndrome without or with fibroma manifestation, were cultured in vitro. Secretion of GAG, collagen and TGF-beta1 was increased in fibroma fibroblasts compared to healthy cells. The increase in TGF-beta1 secretion into the medium was associated with a parallel increase in TGF-beta1 gene expression and receptor number. Receptor cross-linking studies using radiolabelled TGF-beta1 revealed more receptors, particularly types I and II, in fibroma fibroblasts than in normal cells. Normal and fibroma fibroblasts did not synthesise TNF-alpha, but they had TNF-alpha membrane receptors, as shown by TNF-alpha assay. TNF-alpha secreted by human monocytes, which may be present in the peritumoral area, increased cell proliferation and GAG accumulation and was, in turn, enhanced by TGF-beta1 treatment. Both growth factors increased angiogenesis, as shown by the CAM assay. Toremifene reduced TGF-beta1 secretion by fibroma fibroblasts and TNF-alpha secretion by monocytes, thus downregulating cell proliferation, ECM macromolecule accumulation and angiogenic progression. We hypothesise that increased TGF-beta1 gene expression and TGF-beta1 secretion in fibroma fibroblasts as well as the subsequent rise in TNF-alpha production by monocytes may facilitate fibroma growth and that toremifene inhibits autocrine and paracrine growth factor production.
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Affiliation(s)
- Cinzia Lilli
- Department of Experimental Medicine and Biochemical Science, University of Perugia, Perugia, Italy
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47
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Howell WM, Turner SJ, Collins A, Bateman AC, Theaker JM. Influence of TNFalpha and LTalpha single nucleotide polymorphisms on susceptibility to and prognosis in cutaneous malignant melanoma in the British population. EUROPEAN JOURNAL OF IMMUNOGENETICS : OFFICIAL JOURNAL OF THE BRITISH SOCIETY FOR HISTOCOMPATIBILITY AND IMMUNOGENETICS 2002; 29:17-23. [PMID: 11841484 DOI: 10.1046/j.1365-2370.2002.00269.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Cutaneous malignant melanoma (CMM) is a potentially fatal malignancy in which exposure to UV light is the most important risk factor. Several lines of evidence suggest that increased expression of tumour necrosis factor (TNF) alpha, upregulated by UV exposure, may contribute to tumour escape from the immune response. In this study, we addressed whether single nucleotide polymorphisms (SNPs) in the TNFalpha promoter and lymphotoxin (LT) alpha gene are associated with susceptibility to or known prognostic indicators (e.g. initial tumour growth phase, Breslow thickness, mitotic count in vertical growth phase tumours, and tumour regression) in CMM. One hundred and forty-six British Caucasian CMM patients and 220 controls were typed for TNFalpha-376, -308 and -238 and LTalpha+252 SNPs by ARMS-PCR. Only the TNFalpha -238 GG (P = 0.05) and GA (P = 0.03) genotypes showed slight, but significant, associations with CMM, while LTalpha+252 AA was associated with a higher mitotic count in vertical growth phase tumours (P = 0.02). Both TNFalpha-238 and LTalpha+252 SNPs showed linkage disequilibrium with HLA-DQB1*0303 and *0301 alleles, variably implicated in CMM susceptibility/prognosis. In addition, TNFalpha-238, -308, LTalpha+252 haplotypes were assigned and compared. The GGA haplotype showed a modest association with CMM (P = 0.04) and with stage of disease (P = 0.03) and initial growth phase in CMM (P = 0.02), but these associations were only significant when P-values were uncorrected. Unlike basal cell carcinoma, these preliminary findings suggest that genetic variation associated with differential TNFalpha and LTalpha production is unlikely to play a major, independent role in susceptibility to, and perhaps prognosis in, CMM.
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Affiliation(s)
- W M Howell
- Department of Human Genetics, Histocompatability and Immunogenetics Laboratory, Tenovus Building, Southampton General Hospital, Tremona Road, Southampton SO16 6YD, UK.
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Husson H, Carideo EG, Neuberg D, Schultze J, Munoz O, Marks PW, Donovan JW, Chillemi AC, O'Connell P, Freedman AS. Gene expression profiling of follicular lymphoma and normal germinal center B cells using cDNA arrays. Blood 2002; 99:282-9. [PMID: 11756183 DOI: 10.1182/blood.v99.1.282] [Citation(s) in RCA: 117] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Follicular lymphomas (FLs) are neoplastic counterparts of normal germinal center (GC) B cells. FLs are characterized by t(14;18) with deregulation of the Bcl-2 (BCL2) gene. The presence of t(14;18) and overexpression of Bcl-2 is necessary, but not sufficient, to cause this disease. An array containing 588 complementary DNAs (cDNAs) was used to compare the gene expression between GC B cells and FL cells. To specifically monitor genes expressed in normal GC B and FL cells and not the entire tissue compartment, normal and malignant B cells were purified from tissues. Using the array, 37 genes were up-regulated and 28 were down-regulated in FL cells as compared to normal GC B cells. The expression level of each differentially expressed gene was verified by quantitative polymerase chain reaction. Following these studies 24 genes were up-regulated and 8 genes down-regulated with a P value less than.1. Included among the genes that were up-regulated in FLs were cell cycle regulator proteins CDK10, p120, p21CIP1, and p16INK4A; transcription factors/regulators Pax-5 and Id-2, which are involved in normal B-cell development; and genes involved in cell-cell interactions, tumor necrosis factor, interleukin-2R gamma (IL-2R gamma), and IL-4R alpha. Among the genes that were down-regulated in FLs were MRP8 and MRP14, which are involved in adhesion. Interestingly, several of these genes are localized within chromosomal regions already described to be altered in FLs. These findings provide a basis for future studies into the pathogenesis and pathophysiology of FL and may lead to the identification of potential therapeutic targets as well as antigens for immunotherapeutic strategies.
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Affiliation(s)
- Hervé Husson
- Department of Medicine, Harvard Medical School, Boston, MA, USA
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49
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Husson H, Carideo EG, Cardoso AA, Lugli SM, Neuberg D, Munoz O, de Leval L, Schultze J, Freedman AS. MCP-1 modulates chemotaxis by follicular lymphoma cells. Br J Haematol 2001; 115:554-62. [PMID: 11736935 DOI: 10.1046/j.1365-2141.2001.03145.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The localization and establishment of follicular lymphoma (FL) cells in distinct anatomic sites probably involves chemokine and adhesion receptors on the neoplastic cells and appropriate chemokines and adhesion receptor ligands in the microenvironment. Several chemokines play an important role in normal B-cell trafficking and differentiation. Monocyte chemoattractant protein-1 (MCP-1) is a C-C chemokine that induces chemotaxis of a variety of lymphoid cells through its receptor CCR2. CCR2 is also expressed on B cells, and MCP-1 induces chemotaxis of normal B cells. In this report, we investigated expression and function of CCR2 on FL cells. We found FL cells as well as the t(14; 18)+ B-cell lymphoma line H2 expressed CCR2. MCP-1 potentiated SDF-1-induced chemotaxis of FL cells and H2 cells, but MCP-1 alone did not induce chemotaxis. The specificity of the effects of MCP-1 and SDF-1 was demonstrated by antibody blocking studies. Because FL cells are generally associated with follicular dendritic cells (FDCs), FDCs may be an important source of chemokines. We found that cultured FDCs produced MCP-1, and this production was enhanced by tumour necrosis factor. These data implicate MCP-1 in the migration and localization of FL cells.
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MESH Headings
- Antibodies, Monoclonal/pharmacology
- Cell Line
- Chemokine CCL2/immunology
- Chemokine CCL2/pharmacology
- Chemokine CXCL12
- Chemokines, CXC/immunology
- Chemokines, CXC/pharmacology
- Chemotaxis, Leukocyte/drug effects
- Chromosomes, Human, Pair 14
- Chromosomes, Human, Pair 18
- Dendritic Cells, Follicular/metabolism
- Drug Synergism
- Flow Cytometry/methods
- Humans
- Lymphoma, B-Cell
- Lymphoma, Follicular/immunology
- Lymphoma, Follicular/metabolism
- Receptors, CCR2
- Receptors, Chemokine/analysis
- Receptors, Chemokine/metabolism
- Reverse Transcriptase Polymerase Chain Reaction
- Translocation, Genetic
- Tumor Necrosis Factor-alpha/pharmacology
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Affiliation(s)
- H Husson
- Department of Medicine, Harvard Medical School, Dana-Farber Cancer Institute, Boston, MA, USA
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50
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Locci P, Bellocchio S, Lilli C, Marinucci L, Cagini L, Baroni T, Giustozzi G, Balducci C, Becchetti E. Synthesis and secretion of transforming growth factor-beta1 by human desmoid fibroblast cell line and its modulation by toremifene. J Interferon Cytokine Res 2001; 21:961-70. [PMID: 11747628 DOI: 10.1089/107999001753289578] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The present study provides evidence that the in vitro cultured fibroblast cell line from desmoid tumors differs from normal fibrobasts in its extracellular matrix (ECM) macromolecule composition and is modulated by treatment with toremifene, an antiestrogen that reduces tumor mass by an unknown mechanism. The results showed increased transforming growth factor-beta 1 (TGF-beta1) production, TGF-beta1 mRNA expression, and TGF-beta1 receptor number in desmoid fibroblasts compared with normal cells. As desmoid fibroblasts did not produce tumor necrosis factor-alpha (TNF-alpha) but were sensitive to it, which enhanced glycosaminoglycans (GAG) accumulation, we assessed the TGF-beta1 effects on TNF-alpha production by human monocytes. Our results showed TGF-beta1 significantly increased TNF-alpha secretion by monocytes. Toremifene mediated its effects in desmoid fibroblasts via an estrogen receptor-independent pathway. It inhibited GAG accumulation and the secretion of both latent and active forms of TGF-beta1 and had an inhibitory effect on TNF-alpha production by monocytes. Our results suggest that in reducing TGF-beta1 production by desmoid fibroblasts and TNF-alpha production by monocytes, toremifene may restore the balance between the two growth factors.
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Affiliation(s)
- P Locci
- Department of Experimental Medicine and Biochemistry, University of Perugia, Italy.
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