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Marks M, Steele C, Moore WC, Meyers DA, Rector B, Ampleford E, Bleecker ER, Hastie AT. Tumour necrosis factor-related apoptosis-inducing ligand (TRAIL) and receptors in type 1, type 2 and type 17 inflammation in cross-sectional asthma study. Thorax 2020; 75:808-811. [PMID: 32482836 PMCID: PMC7476262 DOI: 10.1136/thoraxjnl-2019-214496] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 04/02/2020] [Accepted: 04/25/2020] [Indexed: 12/03/2022]
Abstract
Tumour necrosis factor-related apoptosis-inducing ligand (TRAIL) reportedly promotes, or conversely, resolves inflammation in asthma. In this study of TRAIL and cell receptors in sputum, bronchoalveolar lavage and biopsy from subjects in the Severe Asthma Research Program at Wake Forest, the high TRAIL group had significant increases in all leucocytes, and was associated with increased type 1, type 2 and type 17 cytokines, but not type 9 interleukin 9. Two variants at loci in the TRAIL gene were associated with higher sputum levels of TRAIL. Increased TRAIL decoy receptor R3/DcR1 was observed on sputum leucocytes compared with death receptor R1/DR4, suggesting reduced apoptosis and prolonged cellular inflammation.
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Affiliation(s)
- Michelle Marks
- Department of Internal Medicine, Pulmonary Section, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Chad Steele
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Wendy C Moore
- Department of Internal Medicine, Pulmonary Section, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Deborah A Meyers
- Department of Medicine, Division of Genetics, Genomics and Precision Medicine, University of Arizona Health Sciences, Tuscon, Arizona, USA
| | - Brian Rector
- Department of Internal Medicine, Pulmonary Section, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Elizabeth Ampleford
- Department of Internal Medicine, Pulmonary Section, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Eugene R Bleecker
- Department of Medicine, Division of Genetics, Genomics and Precision Medicine, University of Arizona Health Sciences, Tuscon, Arizona, USA
| | - Annette T Hastie
- Department of Internal Medicine, Pulmonary Section, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
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Hwang S, Han J, Baek JS, Tak E, Song GW, Lee SG, Jung DH, Park GC, Ahn CS, Kim N. Cytotoxicity of Human Hepatic Intrasinusoidal CD56 bright Natural Killer Cells against Hepatocellular Carcinoma Cells. Int J Mol Sci 2019; 20:ijms20071564. [PMID: 30925759 PMCID: PMC6480584 DOI: 10.3390/ijms20071564] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 03/26/2019] [Accepted: 03/26/2019] [Indexed: 12/12/2022] Open
Abstract
Hepatic intrasinusoidal (HI) natural killer (NK) cells from liver perfusate have unique features that are similar to those of liver-resident NK cells. Previously, we have reported that HI CD56bright NK cells effectively degranulate against SNU398 hepatocellular carcinoma (HCC) cells. Thus, the aim of this study was to further investigate the phenotype and function of HI NK cells. We found that HI CD56bright NK cells degranulated much less to Huh7 cells. HI CD56bright NK cells expressed NKG2D, NKp46, TNF-related apoptosis-inducing ligand (TRAIL), and FAS ligand (FASL) at higher levels than CD56dim cells. SNU398 cells expressed more NKG2D ligands and FAS and less PD-L1 than Huh7 cells. Blockade of NKG2D, TRAIL, and FASL significantly reduced the cytotoxicity of HI NK cells against SNU398 cells, but blockade of PD-L1 did not lead to any significant change. However, HI NK cells produced IFN-γ well in response to Huh7 cells. In conclusion, the cytotoxicity of HI CD56bright NK cells was attributed to the expression of NKG2D, TRAIL, and FASL. The results suggest the possible use of HI NK cells for cancer immunotherapy and prescreening of HCC cells to help identify the most effective NK cell therapy recipients.
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Affiliation(s)
- Shin Hwang
- Division of Liver Transplantation and Hepatobiliary Surgery, Department of Surgery, University of Ulsan College of Medicine, Seoul 05505, Korea.
| | - Jaeseok Han
- Department of Convergence Medicine & Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea.
| | - Ji-Seok Baek
- Department of Convergence Medicine & Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea.
| | - Eunyoung Tak
- Department of Convergence Medicine & Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea.
| | - Gi-Won Song
- Division of Liver Transplantation and Hepatobiliary Surgery, Department of Surgery, University of Ulsan College of Medicine, Seoul 05505, Korea.
| | - Sung-Gyu Lee
- Division of Liver Transplantation and Hepatobiliary Surgery, Department of Surgery, University of Ulsan College of Medicine, Seoul 05505, Korea.
| | - Dong-Hwan Jung
- Division of Liver Transplantation and Hepatobiliary Surgery, Department of Surgery, University of Ulsan College of Medicine, Seoul 05505, Korea.
| | - Gil-Chun Park
- Division of Liver Transplantation and Hepatobiliary Surgery, Department of Surgery, University of Ulsan College of Medicine, Seoul 05505, Korea.
| | - Chul-Soo Ahn
- Division of Liver Transplantation and Hepatobiliary Surgery, Department of Surgery, University of Ulsan College of Medicine, Seoul 05505, Korea.
| | - Nayoung Kim
- Department of Convergence Medicine & Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea.
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Stein M, Lipman-Arens S, Oved K, Cohen A, Bamberger E, Navon R, Boico O, Friedman T, Etshtein L, Paz M, Gottlieb TM, Kriger O, Fonar Y, Pri-Or E, Yacobov R, Dotan Y, Hochberg A, Grupper M, Chistyakov I, Potasman I, Srugo I, Eden E, Klein A. A novel host-protein assay outperforms routine parameters for distinguishing between bacterial and viral lower respiratory tract infections. Diagn Microbiol Infect Dis 2017; 90:206-213. [PMID: 29273482 DOI: 10.1016/j.diagmicrobio.2017.11.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2017] [Revised: 11/16/2017] [Accepted: 11/18/2017] [Indexed: 01/12/2023]
Abstract
Bacterial and viral lower respiratory tract infections (LRTIs) are often clinically indistinguishable, leading to antibiotic overuse. We compared the diagnostic accuracy of a new assay that combines 3 host-biomarkers (TRAIL, IP-10, CRP) with parameters in routine use to distinguish bacterial from viral LRTIs. Study cohort included 184 potentially eligible pediatric and adult patients. Reference standard diagnosis was based on adjudication by an expert panel following comprehensive clinical and laboratory investigation (including respiratory PCRs). Experts were blinded to assay results and assay performers were blinded to reference standard outcomes. Evaluated cohort included 88 bacterial and 36 viral patients (23 did not fulfill inclusion criteria; 37 had indeterminate reference standard outcome). Assay distinguished bacterial from viral LRTI patients with sensitivity of 0.93±0.06 and specificity of 0.91±0.09, outperforming routine parameters, including WBC, CRP and chest x-ray signs. These findings support the assay's potential to help clinicians avoid missing bacterial LRTIs or overusing antibiotics.
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Affiliation(s)
- Michal Stein
- Infectious Diseases Unit, Hillel Yaffe Medical Center, Hadera, Israel.
| | | | - Kfir Oved
- MeMed Diagnostics, Tirat Carmel, Israel
| | - Asi Cohen
- MeMed Diagnostics, Tirat Carmel, Israel
| | - Ellen Bamberger
- MeMed Diagnostics, Tirat Carmel, Israel; Bnai Zion Medical Center, Haifa, Israel; Technion-Israel Institute of Technology, Haifa, Israel
| | - Roy Navon
- MeMed Diagnostics, Tirat Carmel, Israel
| | | | - Tom Friedman
- MeMed Diagnostics, Tirat Carmel, Israel; Rambam Medical Center, Haifa, Israel
| | | | | | | | - Or Kriger
- Department of Pediatrics, Hillel Yaffe Medical Center, Hadera, Israel
| | - Yura Fonar
- Technion-Israel Institute of Technology, Haifa, Israel
| | | | - Renata Yacobov
- Department of Pediatrics, Hillel Yaffe Medical Center, Hadera, Israel
| | - Yaniv Dotan
- Bnai Zion Medical Center, Haifa, Israel; Technion-Israel Institute of Technology, Haifa, Israel
| | - Amit Hochberg
- Department of Pediatrics, Hillel Yaffe Medical Center, Hadera, Israel
| | - Moti Grupper
- Bnai Zion Medical Center, Haifa, Israel; Technion-Israel Institute of Technology, Haifa, Israel
| | - Irina Chistyakov
- Bnai Zion Medical Center, Haifa, Israel; Technion-Israel Institute of Technology, Haifa, Israel
| | - Israel Potasman
- Bnai Zion Medical Center, Haifa, Israel; Technion-Israel Institute of Technology, Haifa, Israel
| | - Isaac Srugo
- Bnai Zion Medical Center, Haifa, Israel; Technion-Israel Institute of Technology, Haifa, Israel
| | - Eran Eden
- MeMed Diagnostics, Tirat Carmel, Israel
| | - Adi Klein
- Department of Pediatrics, Hillel Yaffe Medical Center, Hadera, Israel
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Liu XH, Deng CX, Hu PC, Wang Y, Dong YH. Functional impact of Galectin-3 and TRAIL expression in breast cancer cells. Eur Rev Med Pharmacol Sci 2017; 21:3626-3633. [PMID: 28925481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
OBJECTIVE To examine the expression of Galectin-3 and TRAIL in breast cancer tissue and their effects on the proliferation and apoptosis of breast cancer cells. PATIENTS AND METHODS Breast cancer and normal adjacent tissue were collected from 120 patients pathologically diagnosed with breast cancer who underwent a modified radical mastectomy. SP method of immunohistochemistry was used to detect the expression levels of Galectin-3 and TRAIL in breast cancer tissues and normal adjacent tissues. The correlation between the expressions of Galectin-3 and TRAIL, and clinical prognosis of breast cancer were analyzed. Breast cancer cells were transfected with Galectin-3 siRNA and TRAIL overexpression constructs. Cell proliferation was measured by XTT method, and apoptosis was detected by flow cytometry. RESULTS Higher Galectin-3 level and lower TRAIL level were found in breast cancer tissues compared with those in normal adjacent tissues (p < 0.001). High expression level of Galectin-3 and low expression level of TRAIL were found to be positively correlated with the shorter median survival time and overall survival time. Galectin-3 silencing by siRNA interference and TRAIL overexpression significantly decreased cell viability of MDA-MB-231 and increased the number of apoptotic cells. CONCLUSIONS The expression level of Galectin-3 in breast cancer tissues was significantly increased compared with that in normal tissues, while the level of TRAIL protein was significantly decreased in cancer tissue. The biological role of these two proteins seems to be synergistic in inhibiting apoptosis of cancer cells. Therefore, the evaluation method that combined both Galectin-3 and TRAIL is of great clinical value in the evaluation of clinical prognosis of patients with breast cancer.
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Affiliation(s)
- X-H Liu
- Department of Oncology, and Department of Endocrinology; Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei Province, P.R. China.
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Tornese G, Tisato V, Monasta L, Vecchi Brumatti L, Zauli G, Secchiero P. Serum TRAIL levels increase shortly after insulin therapy and metabolic stabilization in children with type 1 diabetes mellitus. Acta Diabetol 2015; 52:1003-6. [PMID: 25863780 PMCID: PMC4567592 DOI: 10.1007/s00592-015-0731-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Accepted: 03/02/2015] [Indexed: 01/20/2023]
Affiliation(s)
- Gianluca Tornese
- Institute for Maternal and Child Health - IRCCS "Burlo Garofolo", via dell'Istria, 65/1, 34137, Trieste, Italy
| | - Veronica Tisato
- Department of Morphology, Surgery and Experimental Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy.
| | - Lorenzo Monasta
- Institute for Maternal and Child Health - IRCCS "Burlo Garofolo", via dell'Istria, 65/1, 34137, Trieste, Italy
| | - Liza Vecchi Brumatti
- Institute for Maternal and Child Health - IRCCS "Burlo Garofolo", via dell'Istria, 65/1, 34137, Trieste, Italy
| | - Giorgio Zauli
- Institute for Maternal and Child Health - IRCCS "Burlo Garofolo", via dell'Istria, 65/1, 34137, Trieste, Italy.
| | - Paola Secchiero
- Department of Morphology, Surgery and Experimental Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
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Celik B, Didem Yalcin A, Esra Genc G, Gumuslu S. Proteomics pattern of peritoneal sApo-2L but not CD200 (OX-2) as a possible screening biomarker for metastatic ovarian, endometrial and breast carcinoma. J BUON 2015; 20:280-6. [PMID: 25778329 DOI: pmid/25778329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
PURPOSE The purpose of this study was to evaluate the soluble Apo-2L (sApo-2L) levels in the ascitic fluid and to study its potential in detecting malignant ascites and soluble CD200 (sCD200,sOX-2) levels so as to predict its clinical usage for detecting stage 4 metastatic endometrial, ovarian and breast cancer in serum samples. METHODS Ascitic fluid from 53 and blood from 25 subjects without known malignancy on admission were collected. There were 14 breast cancer (BC), 17 ovarian cancer (OC) and 19 endometrial cancer (EC) patients diagnosed later on. Blood samples for sApo-2L, sCD200, liver function tests and CEA, CA-19.9 and CA-125 were always taken and assayed in the morning. RESULTS Significantly low levels of sApo-2L were observed in peritoneal fluid from OC and EC patients compared to benign peritoneal fluid from control individuals. Positive correlation was observed between sApo-2L and aspartate aminotransferase (AST) in benign peritoneal fluid and sCD200, and creatinine and sCD200 and platelets in OC patients; also, sCD200 and CEA in EC patients and sCD200 and blood urea nitrogen (BUN) in healthy subjects. CONCLUSIONS Our data indicate that low proteomics pattern of sApo-2L but not sCD200 is a good biochemical marker. Further decline in the level of sApo-2L was seen in EC compared to OC. Since higher levels of sApo-2L were seen with higher levels of AST, the liver might be involved in its metabolism. The positive correlation detected between sCD200 and creatinine, platelets, CEA and BUN needs to be elucidated.
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Affiliation(s)
- Betul Celik
- Department of Pathology, Antalya Training Hospital, Antalya, Turkey
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Akram KM, Lomas NJ, Forsyth NR, Spiteri MA. Alveolar epithelial cells in idiopathic pulmonary fibrosis display upregulation of TRAIL, DR4 and DR5 expression with simultaneous preferential over-expression of pro-apoptotic marker p53. Int J Clin Exp Pathol 2014; 7:552-564. [PMID: 24551275 PMCID: PMC3925899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Accepted: 01/10/2014] [Indexed: 06/03/2023]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive, debilitating, and fatal lung disease of unknown aetiology with no current cure. The pathogenesis of IPF remains unclear but repeated alveolar epithelial cell (AEC) injuries and subsequent apoptosis are believed to be among the initiating/ongoing triggers. However, the precise mechanism of apoptotic induction is hitherto elusive. In this study, we investigated expression of a panel of pro-apoptotic and cell cycle regulatory proteins in 21 IPF and 19 control lung tissue samples. We reveal significant upregulation of the apoptosis-inducing ligand TRAIL and its cognate receptors DR4 and DR5 in AEC within active lesions of IPF lungs. This upregulation was accompanied by pro-apoptotic protein p53 overexpression. In contrast, myofibroblasts within the fibroblastic foci of IPF lungs exhibited high TRAIL, DR4 and DR5 expression but negligible p53 expression. Similarly, p53 expression was absent or negligible in IPF and control alveolar macrophages and lymphocytes. No significant differences in TRAIL expression were noted in these cell types between IPF and control lungs. However, DR4 and DR5 upregulation was detected in IPF alveolar macrophages and lymphocytes. The marker of cellular senescence p21(WAF1) was upregulated within affected AEC in IPF lungs. Cell cycle regulatory proteins Cyclin D1 and SOCS3 were significantly enhanced in AEC within the remodelled fibrotic areas of IPF lungs but expression was negligible in myofibroblasts. Taken together these findings suggest that, within the remodelled fibrotic areas of IPF, AEC can display markers associated with proliferation, senescence, and apoptotosis, where TRAIL could drive the apoptotic response. Clear understanding of disease processes and identification of therapeutic targets will direct us to develop effective therapies for IPF.
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Affiliation(s)
- Khondoker M Akram
- Lung Research Group, Institute of Science and Technology in Medicine, Keele UniversityUK
| | - Nicola J Lomas
- Lung Research Group, Institute of Science and Technology in Medicine, Keele UniversityUK
- Department of Cellular Pathology, University Hospital of North StaffordshireUK
| | - Nicholas R Forsyth
- Lung Research Group, Institute of Science and Technology in Medicine, Keele UniversityUK
| | - Monica A Spiteri
- Lung Research Group, Institute of Science and Technology in Medicine, Keele UniversityUK
- Heart & Lung Directorate, University Hospital of North StaffordshireUK
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Benito-Martin A, Ucero AC, Zubiri I, Posada-Ayala M, Fernandez-Fernandez B, Cannata-Ortiz P, Sanchez-Nino MD, Ruiz-Ortega M, Egido J, Alvarez-Llamas G, Ortiz A. Osteoprotegerin in exosome-like vesicles from human cultured tubular cells and urine. PLoS One 2013; 8:e72387. [PMID: 24058411 PMCID: PMC3751949 DOI: 10.1371/journal.pone.0072387] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2013] [Accepted: 07/09/2013] [Indexed: 12/12/2022] Open
Abstract
Urinary exosomes have been proposed as potential diagnostic tools. TNF superfamily cytokines and receptors may be present in exosomes and are expressed by proximal tubular cells. We have now studied the expression of selected TNF superfamily proteins in exosome-like vesicles from cultured human proximal tubular cells and human urine and have identified additional proteins in these vesicles by LC-MS/MS proteomics. Human proximal tubular cells constitutively released exosome-like vesicles that did not contain the TNF superfamily cytokines TRAIL or TWEAK. However, exosome-like vesicles contained osteoprotegerin (OPG), a TNF receptor superfamily protein, as assessed by Western blot, ELISA or selected reaction monitoring by nLC-(QQQ)MS/MS. Twenty-one additional proteins were identified in tubular cell exosome-like vesicles, including one (vitamin D binding protein) that had not been previously reported in exosome-like vesicles. Twelve were extracellular matrix proteins, including the basement membrane proteins type IV collagen, nidogen-1, agrin and fibulin-1. Urine from chronic kidney disease patients contained a higher amount of exosomal protein and exosomal OPG than urine from healthy volunteers. Specifically OPG was increased in autosomal dominant polycystic kidney disease urinary exosome-like vesicles and expressed by cystic epithelium in vivo. In conclusion, OPG is present in exosome-like vesicles secreted by proximal tubular epithelial cells and isolated from Chronic Kidney Disease urine.
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Affiliation(s)
- Alberto Benito-Martin
- Department of Nephrology, Instituto de Investigaciones Sanitarias-Fundación Jiménez Díaz - Universidad Autonoma de Madrid, Madrid, Spain
| | - Alvaro Conrado Ucero
- Department of Nephrology, Instituto de Investigaciones Sanitarias-Fundación Jiménez Díaz - Universidad Autonoma de Madrid, Madrid, Spain
| | - Irene Zubiri
- Department of Immunology, Instituto de Investigaciones Sanitarias-Fundación Jiménez Díaz - Universidad Autonoma de Madrid, Madrid, Spain
| | - Maria Posada-Ayala
- Department of Immunology, Instituto de Investigaciones Sanitarias-Fundación Jiménez Díaz - Universidad Autonoma de Madrid, Madrid, Spain
| | - Beatriz Fernandez-Fernandez
- Department of Nephrology, Instituto de Investigaciones Sanitarias-Fundación Jiménez Díaz - Universidad Autonoma de Madrid, Madrid, Spain
| | - Pablo Cannata-Ortiz
- Department of Pathology, Instituto de Investigaciones Sanitarias-Fundación Jiménez Díaz - Universidad Autonoma de Madrid, Madrid, Spain
| | | | - Marta Ruiz-Ortega
- Department of Nephrology, Instituto de Investigaciones Sanitarias-Fundación Jiménez Díaz - Universidad Autonoma de Madrid, Madrid, Spain
| | - Jesus Egido
- Department of Nephrology, Instituto de Investigaciones Sanitarias-Fundación Jiménez Díaz - Universidad Autonoma de Madrid, Madrid, Spain
- Instituto Reina Sofia de Investigacion Nefrologica, Madrid, Spain
| | - Gloria Alvarez-Llamas
- Department of Immunology, Instituto de Investigaciones Sanitarias-Fundación Jiménez Díaz - Universidad Autonoma de Madrid, Madrid, Spain
| | - Alberto Ortiz
- Department of Nephrology, Instituto de Investigaciones Sanitarias-Fundación Jiménez Díaz - Universidad Autonoma de Madrid, Madrid, Spain
- Instituto Reina Sofia de Investigacion Nefrologica, Madrid, Spain
- * E-mail:
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Kajitani K, Tanaka Y, Ohdan H, Arihiro K, Kataoka T. [Mechanistic analysis of the antitumor efficacy of TRAIL-positive human natural killer cells]. Nihon Rinsho 2012; 70 Suppl 7:208-213. [PMID: 23350394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Affiliation(s)
- Keiko Kajitani
- Division of Frontier Medical Science, Department of Surgery, Graduate School of Biomedical Sciences, Hiroshima University
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Petrov VI, Ponomarev ÉA, Maskin SS, Strepetov NN. [Pharmacological neuroprotection against brain damage in ischemiai/reperfusion experiment]. Eksp Klin Farmakol 2011; 74:13-16. [PMID: 22232908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Experiment carried out on laboratory animals (rats) were aimed at comparative evaluation of the effect of several neuroprotective drugs under the conditions of model brain ischemia-reperfusion. The experimental methods included staining of brain tissue sections by hematoxiline-eosine, Nissl staining, and expression of NOS1, NOS3, TRAIL by imunnohistological means. The intensity of damage in various parts of brain and the nature of apoptosis without neuroprotection and with popular neuroprotectors (cytoflavin, actovegin, mexidol) and a test drug at the stage ofpreclinical trial (AKF-90-7) were evaluated. Characteristic cytotoxic (coagulative pycnomorphic and colliquative necrosis of neurons) and vascular (hemostasia, erythropedesis) changes were revealed. The neuroprotective effectof drugs decreases in the following order: AKF-90-7 > cytoflavin > actovegin > mexidol.
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Peppa D, Micco L, Javaid A, Kennedy PTF, Schurich A, Dunn C, Pallant C, Ellis G, Khanna P, Dusheiko G, Gilson RJ, Maini MK. Blockade of immunosuppressive cytokines restores NK cell antiviral function in chronic hepatitis B virus infection. PLoS Pathog 2010; 6:e1001227. [PMID: 21187913 PMCID: PMC3003000 DOI: 10.1371/journal.ppat.1001227] [Citation(s) in RCA: 193] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2010] [Accepted: 11/11/2010] [Indexed: 12/23/2022] Open
Abstract
NK cells are enriched in the liver, constituting around a third of intrahepatic lymphocytes. We have previously demonstrated that they upregulate the death ligand TRAIL in patients with chronic hepatitis B virus infection (CHB), allowing them to kill hepatocytes bearing TRAIL receptors. In this study we investigated whether, in addition to their pathogenic role, NK cells have antiviral potential in CHB. We characterised NK cell subsets and effector function in 64 patients with CHB compared to 31 healthy controls. We found that, in contrast to their upregulated TRAIL expression and maintenance of cytolytic function, NK cells had a markedly impaired capacity to produce IFN-γ in CHB. This functional dichotomy of NK cells could be recapitulated in vitro by exposure to the immunosuppressive cytokine IL-10, which was induced in patients with active CHB. IL-10 selectively suppressed NK cell IFN-γ production without altering cytotoxicity or death ligand expression. Potent antiviral therapy reduced TRAIL-expressing CD56bright NK cells, consistent with the reduction in liver inflammation it induced; however, it was not able to normalise IL-10 levels or the capacity of NK cells to produce the antiviral cytokine IFN-γ. Blockade of IL-10 +/− TGF-β restored the capacity of NK cells from both the periphery and liver of patients with CHB to produce IFN-γ, thereby enhancing their non-cytolytic antiviral capacity. In conclusion, NK cells may be driven to a state of partial functional tolerance by the immunosuppressive cytokine environment in CHB. Their defective capacity to produce the antiviral cytokine IFN-γ persists in patients on antiviral therapy but can be corrected in vitro by IL-10+/− TGF-β blockade. Hepatitis B virus (HBV) infection is responsible for more than a million deaths annually as a result of the immune-mediated chronic liver damage it induces. One of the key immune players in the liver is the natural killer (NK) cell, which we have recently found can cause liver damage in HBV infection. Here we address the antiviral potential of NK cells in the HBV-infected liver and demonstrate that they have a specific impairment in their ability to produce the cytokine IFN-γ, which could limit their capacity to control HBV. We find that the potent antiviral drugs currently being used to treat HBV infection are unable to fully reverse this NK cell functional defect. We define a role for the immunosuppressive cytokine environment in HBV in down-regulating NK cell antiviral function, which can be restored by specific blockade of IL-10 and TGF-β. This work therefore highlights a mechanism contributing to the failure of immune control in chronic HBV infection, paving the way to new therapeutic options.
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Affiliation(s)
- Dimitra Peppa
- Division of Infection and Immunity, UCL, London, United Kingdom
- Centre for Sexual Health and HIV Research, UCL, London, United Kingdom
| | - Lorenzo Micco
- Division of Infection and Immunity, UCL, London, United Kingdom
| | - Alia Javaid
- Centre for Digestive Disease, Barts and The London School of Medicine and Dentistry, London, United Kingdom
| | - Patrick T. F. Kennedy
- Centre for Digestive Disease, Barts and The London School of Medicine and Dentistry, London, United Kingdom
| | - Anna Schurich
- Division of Infection and Immunity, UCL, London, United Kingdom
| | - Claire Dunn
- Division of Infection and Immunity, UCL, London, United Kingdom
| | - Celeste Pallant
- Division of Infection and Immunity, UCL, London, United Kingdom
| | - Gidon Ellis
- Division of Infection and Immunity, UCL, London, United Kingdom
| | - Pooja Khanna
- Division of Infection and Immunity, UCL, London, United Kingdom
- Centre for Hepatology, Hampstead Campus, Royal Free & University College Medical School, London, United Kingdom
| | - Geoffrey Dusheiko
- Centre for Hepatology, Hampstead Campus, Royal Free & University College Medical School, London, United Kingdom
| | - Richard J. Gilson
- Centre for Sexual Health and HIV Research, UCL, London, United Kingdom
| | - Mala K. Maini
- Division of Infection and Immunity, UCL, London, United Kingdom
- Centre for Sexual Health and HIV Research, UCL, London, United Kingdom
- Centre for Digestive Disease, Barts and The London School of Medicine and Dentistry, London, United Kingdom
- * E-mail:
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Sanlioglu AD, Dirice E, Elpek O, Korcum AF, Balci MK, Omer A, Griffith TS, Sanlioglu S. High levels of endogenous tumor necrosis factor-related apoptosis-inducing ligand expression correlate with increased cell death in human pancreas. Pancreas 2008; 36:385-93. [PMID: 18437085 DOI: 10.1097/mpa.0b013e318158a4e5] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVES Type 1 diabetes (T1D) has been characterized by the T cell-mediated destruction of pancreatic beta cells. Although various members of the tumor necrosis factor (TNF) family, such as Fas ligand or TNF, have recently been implicated in the development of T1D, the lack of TNF-related apoptosis-inducing ligand (TRAIL) expression or function facilitates the onset of T1D. Thus, the goal of the present study was to investigate the expression profiles of TRAIL and its receptors in human pancreas. METHODS Pancreata of 31 patients were analyzed by immunohistochemistry using antibodies developed against TRAIL and its receptors. Apoptosis was confirmed by Annexin V-fluorescein isothiocyanate binding and terminal deoxynucleotidyl transferase-mediated 2'-deoxyuridine 5'-triphosphate nick end labeling assays. RESULTS Acinar cells displayed high levels of TRAIL and death receptor 4, but only low levels of death receptor 5. In contrast, only TRAIL and TRAIL decoy receptors (DcR1, DcR2) were detected in ductal cells. Similarly, Langerhans islets expressed only TRAIL and TRAIL decoy receptor. High levels of TRAIL expression in pancreas correlated with increased number of apoptotic cells. CONCLUSIONS Although the expression of TRAIL decoy receptors might be necessary for defense from TRAIL-induced apoptosis, high levels of TRAIL may provide protection for Langerhans islets from the immunological attack of cytotoxic T cells.
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Affiliation(s)
- Ahter Dilsad Sanlioglu
- Human Gene Therapy Unit, Departments of Medical Biology and Genetics, Akdeniz University, Faculty of Medicine, Antalya, Turkey.
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Abstract
The extrinsic apoptosis pathway is activated when certain members of the tumor necrosis factor (TNF) receptor superfamily (TNFRSF) are oligomerized by their cognate ligands that are members of the TNF superfamily (TNFSF). The apoptosis-inducing capacity of a member of the TNFRSF relies on the presence of a death domain (DD) in the intracellular portion of the receptor protein. Such receptors are also referred to as death receptors. Binding of a TNFSF ligand to a TNFRSF receptor that is expressed on the surface of a cell results in the formation of a receptor proximal protein complex. This protein complex is the platform for further signaling events within the cell. In case of death receptors like TNF-related apoptosis-inducing ligand receptor 1 (TRAIL-R1/DR4), TRAIL-R2 (KILLER/APO-2/DR5/TRICK), CD95 (Fas, APO-1), or TNF receptor 1 (TNF-R1), this complex is termed death-inducing signaling complex (DISC). The compositions of the various DISCs have been intensively studied in the last 12 years. For the CD95 and the TRAIL-R1/R2 DISCs, it is now clear that the adaptor protein Fas-associated DD protein (FADD) forms part of these complexes and is necessary for recruitment of the proapoptotic signaling molecules caspase-8 and caspase-10. Recruitment of these proteases allows for their activation at the DISC and subsequent induction of apoptosis. The caspase-8 homologous cellular FLICE-like inhibitory protein (cFLIP) can also be recruited to the DISC. cFLIP acts as an anti-apoptotic regulator by interfering with activation of caspases 8 and 10 at the DISC. Interestingly, treatment of TRAIL-resistant tumor cells with conventional chemotherapeutic drugs or with proteasome inhibitors renders these cells sensitive for TRAIL-induced apoptosis. By applying the methodology of the biochemical analysis of the TRAIL DISC described here, we were able to show that this sensitization is mainly due to changes in the biochemical composition of the DISC as the apoptosis-initiating protein complex of the extrinsic pathway.
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Affiliation(s)
- Henning Walczak
- Division of Apoptosis Regulation, German Cancer Research Center, Im Neuenheimer Feld, Heidelberg, Germany
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Zopf S, Neureiter D, Bouralexis S, Abt T, Glaser KB, Okamoto K, Ganslmayer M, Hahn EG, Herold C, Ocker M. Differential response of p53 and p21 on HDAC inhibitor-mediated apoptosis in HCT116 colon cancer cells in vitro and in vivo. Int J Oncol 2007; 31:1391-1402. [PMID: 17982666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2023] Open
Abstract
We investigated the effect of a novel histone deacetylase inhibitor, A-423378.0, on the colon carcinoma cell line HCT116 and genetically modified derivatives lacking either p21(cip1/waf1) or p53. HCT116 cell lines were incubated with A-423378.0 at different concentrations for 3-120 h. Cell viability, proliferation and apoptosis rates were determined and verified by western blot, detection of mitochondrial membrane potential breakdown DeltaPsi(m), activation of caspases-3, -8 and cytokeratin 18 cleavage. A subcutaneous xenograft model was established in NMRI mice with daily intraperitoneal injections of 10 mg/kg for 14 days. All three HCT116 cell lines responded to A-423378.0 treatment in a dose- and time-dependent manner via induction of apoptosis as measured by breakdown of DeltaPsi(m) and BrdU incorporation. We identified that A-423378.0 induced the expression of TRAIL and TRAIL receptor, especially TRAIL-R2/hDR5, which was up-regulated in HCT116 cells after treatment with A-423378.0. In vivo, a growth inhibitory effect was observed with HDAC-I treatment, which was paralleled by a down-regulation of PCNA and a concomitant induction of apoptosis. Treatment of wild-type or knock-out HCT116 cells with A-423378.0 exerts potent anti-proliferative and pro-apoptotic effects in vitro and in vivo. A-423378.0 was able to induce apoptosis in both p21(WAF1) and p53 deficient tumour cells, which appeared to be mediated by the intrinsic cell death pathway. Interestingly, the effects of A-423378.0 on the extrinsic cell death pathway through activation of TRAIL and its signalling pathway indicate that A-423378.0 may be a potent new therapeutic compound for the treatment of advanced colorectal cancer.
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Affiliation(s)
- Steffen Zopf
- Department of Medicine 1, University Hospital Erlangen, D-91054, Erlangen, Germany
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16
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Riccioni R, Senese M, Diverio D, Riti V, Buffolino S, Mariani G, Boe A, Cedrone M, Lo-Coco F, Foà R, Peschle C, Testa U. M4 and M5 acute myeloid leukaemias display a high sensitivity to Bortezomib-mediated apoptosis. Br J Haematol 2007; 139:194-205. [PMID: 17897295 DOI: 10.1111/j.1365-2141.2007.06757.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The present study explored the sensitivity of leukaemic blasts derived from 30 acute myeloid leukaemia (AML) patients to Bortezomib. Bortezomib induced apoptosis of primary AML blasts: 18/30 AMLs were clearly sensitive to the proapoptotic effects of Bortezomib, while the remaining cases were moderately sensitive to this molecule. The addition of tumour necrosis factor-related-apoptosis-inducing ligand, when used alone, did not induce apoptosis of AML blasts and further potentiated the cytotoxic effects of Bortezomib. The majority of AMLs sensitive to Bortezomib showed immunophenotypic features of the M4 and M5 French-American-British classification subtypes and displayed myelomonocytic features. All AMLs with mutated FLT3 were in the Bortezomib-sensitive group. Biochemical studies showed that: (i) Bortezomib activated caspase-8 and caspase-3 and decreased cellular FLICE [Fas-associated death domain (FADD)-like interleukin-1beta-converting enzyme]-inhibitory protein (c-FLIP) levels in AML blasts; (ii) high c-FLIP levels in AML blasts were associated with low Bortezomib sensitivity. Finally, analysis of the effects of Bortezomib on leukaemic cells displaying high aldehyde dehydrogenase activity suggested that this drug induced in vitro killing of leukaemic stem cells. The findings of the present study, further support the development of Bortezomib as an anti-leukaemic drug and provide simple tools to predict the sensitivity of AML cells to this drug.
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MESH Headings
- Aldehyde Dehydrogenase/metabolism
- Apoptosis
- Boronic Acids/therapeutic use
- Bortezomib
- CASP8 and FADD-Like Apoptosis Regulating Protein/analysis
- CASP8 and FADD-Like Apoptosis Regulating Protein/metabolism
- Caspase 3/metabolism
- Caspase 8/metabolism
- Cells, Cultured
- Fas-Associated Death Domain Protein/analysis
- Fas-Associated Death Domain Protein/metabolism
- Flow Cytometry
- Humans
- Immunophenotyping
- Leukemia, Monocytic, Acute/drug therapy
- Leukemia, Monocytic, Acute/pathology
- Leukemia, Myelomonocytic, Acute/drug therapy
- Leukemia, Myelomonocytic, Acute/pathology
- Protease Inhibitors/therapeutic use
- Pyrazines/therapeutic use
- Receptors, TNF-Related Apoptosis-Inducing Ligand/analysis
- Stem Cells/drug effects
- TNF-Related Apoptosis-Inducing Ligand/analysis
- X-Linked Inhibitor of Apoptosis Protein/analysis
- X-Linked Inhibitor of Apoptosis Protein/metabolism
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Affiliation(s)
- Roberta Riccioni
- Department of Haematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
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Johnson AL, Ratajczak C, Haugen MJ, Liu HK, Woods DC. Tumor necrosis factor-related apoptosis inducing ligand expression and activity in hen granulosa cells. Reproduction 2007; 133:609-16. [PMID: 17379655 DOI: 10.1530/rep-06-0287] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Tumor necrosis factor-related apoptosis inducing ligand (TRAIL) represents one of several cytokine members of the tumor necrosis factor superfamily reported to initiate apoptosis in a wide range of transformed, but not most normal, cell types. The present studies were conducted to evaluate the potential for TRAIL to promote apoptotic cell death in differentiated granulosa cells collected from hen preovulatory follicles. While mRNA encoding critical components (including TRAIL) required for a functional extrinsic cell death pathway are expressed in granulosa cells, TRAIL treatment by itself fails to induce either caspase-3 activity or a decrease in cell viability. On the other hand, preculture of cells with the conventional chemotherapeutic, cisplatin, or the 20S proteosome inhibitor, Z-LLF-CHO, sensitizes granulosa cells to TRAIL as evidenced by enhanced caspase-3 activity after 4 h of culture and loss of cell viability after 24 h when compared with either cisplatin or Z-LLF-CHO treatment alone. Moreover, the sensitizing effect of Z-LLF-CHO on TRAIL-induced loss of cell viability is prevented by the selective caspase-8 inhibitor, Z-IETD-FMK. Interestingly, TRAIL mRNA expression is elevated both in prehierarchal follicles undergoing spontaneous atresia and in prehierarchal follicles induced to undergo atresia for 6 h in vitro. In summary, the data demonstrate the presence of a functional TRAIL signaling pathway in hen granulosa cells, and are consistent with the possibility that TRAIL signaling may directly or indirectly participate in the process of follicle atresia in vivo.
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Affiliation(s)
- A L Johnson
- Department of Biological Sciences and Walther Cancer Institute, The University of Notre Dame, PO Box 369, Notre Dame, Indiana 46556, USA.
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Cantarella G, Bucolo C, Di Benedetto G, Pezzino S, Lempereur L, Calvagna R, Clementi S, Pavone P, Fiore L, Bernardini R. Protective effects of the sigma agonist Pre-084 in the rat retina. Br J Ophthalmol 2007; 91:1382-4. [PMID: 17522150 PMCID: PMC2001020 DOI: 10.1136/bjo.2007.118570] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
AIM With the rationale that amyloid beta (AB) is toxic to the retina, we here assessed the role of TRAIL, a mediator of AB toxicity and related signal transduction, in a rat model. We also attempted to demonstrate possible protective effects of sigma 1 receptor agonists in these processes. METHODS AB and the sigma 1 receptor agonist Pre-084 were injected intravitreally in the anaesthetised rat. In additional experiments, the sigma 1 receptor antagonist BD1047 was administered to assess specificity of the effects of Pre-084. Western blot analysis was performed on retinas to evaluate the expression of TRAIL and TRAIL receptors in the retina, as well as of Bax and phosphorylated JNK following the different treatments. Lactic dehydrogenase (LDH) levels were measured as a cytotoxicity marker. RESULTS All TRAIL receptors were expressed in rat retinas. Intravitreal injection of AB in rat eyes induced overexpression of TRAIL and the proapoptotic protein Bax, as well as phosphorylation of JNK. All these effects of AB were abrogated by pretreatment with the sigma(1) receptor agonist Pre-084. CONCLUSIONS It is likely that TRAIL is a mediator of AB effects on the retina. In light of their specific inhibitory effects upon TRAIL expression, it is plausible to hypothesise that sigma(1) receptor agonists could represent potential pharmacological tools for restraining AB related retinal damage.
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Affiliation(s)
- Giuseppina Cantarella
- Department of Experimental and Clinical Pharmacology, University of Catania School of Medicine, Viale Andrea Doria 6, 95125 Catania, Italy
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Sanlioglu AD, Korcum AF, Pestereli E, Erdogan G, Karaveli S, Savas B, Griffith TS, Sanlioglu S. TRAIL death receptor-4 expression positively correlates with the tumor grade in breast cancer patients with invasive ductal carcinoma. Int J Radiat Oncol Biol Phys 2007; 69:716-23. [PMID: 17512128 DOI: 10.1016/j.ijrobp.2007.03.057] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2007] [Revised: 03/23/2007] [Accepted: 03/28/2007] [Indexed: 01/04/2023]
Abstract
PURPOSE Tumor necrosis factor-related apoptosis inducing ligand (TRAIL) selectively induces apoptosis in cancer cells but not in normal cells, and a number of clinical trials have recently been initiated to test the safety and antitumoral potential of TRAIL in cancer patients. Four different receptors have been identified to interact with TRAIL: two are death-inducing receptors (TRAIL-R1 [DR4] and TRAIL-R2 [DR5]), whereas the other two (TRAIL-R3 [DcR1] and TRAIL-R4 [DcR2]) do not induce death upon ligation and are believed to counteract TRAIL-induced cytotoxicity. Because high levels of DcR2 expression have recently been correlated with carcinogenesis in the prostate and lung, this study investigated the importance of TRAIL and TRAIL receptor expression in breast cancer patients with invasive ductal carcinoma, taking various prognostic markers into consideration. METHODS AND MATERIALS Immunohistochemical analyses were performed on 90 breast cancer patients with invasive ductal carcinoma using TRAIL and TRAIL receptor-specific antibodies. Age, menopausal status, tumor size, lymph node status, tumor grade, lymphovascular invasion, perineural invasion, extracapsular tumor extension, presence of an extensive intraductal component, multicentricity, estrogen and progesterone receptor status, and CerbB2 expression levels were analyzed with respect to TRAIL/TRAIL receptor expression patterns. RESULTS The highest TRAIL receptor expressed in patients with invasive ductal carcinoma was DR4. Although progesterone receptor-positive patients exhibited lower DR5 expression, CerbB2-positive tissues displayed higher levels of both DR5 and TRAIL expressions. CONCLUSIONS DR4 expression positively correlates with the tumor grade in breast cancer patients with invasive ductal carcinoma.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Breast Neoplasms/chemistry
- Breast Neoplasms/mortality
- Breast Neoplasms/pathology
- Breast Neoplasms/therapy
- Carcinoma, Ductal, Breast/chemistry
- Carcinoma, Ductal, Breast/mortality
- Carcinoma, Ductal, Breast/pathology
- Carcinoma, Ductal, Breast/therapy
- Chemotherapy, Adjuvant
- Female
- Humans
- Immunohistochemistry
- Middle Aged
- Neoplasm Proteins/analysis
- Neoplasm Staging
- Radiotherapy, Adjuvant
- Receptor, ErbB-2/analysis
- Receptors, Estrogen/analysis
- Receptors, Progesterone/analysis
- Receptors, TNF-Related Apoptosis-Inducing Ligand/analysis
- Receptors, Tumor Necrosis Factor, Member 10c/analysis
- TNF-Related Apoptosis-Inducing Ligand/analysis
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Affiliation(s)
- Ahter D Sanlioglu
- Human Gene Therapy Unit, Akdeniz University Faculty of Medicine, Antalya, Turkey
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20
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Kircelli F, Akay C, Gazitt Y. Arsenic trioxide induces p53-dependent apoptotic signals in myeloma cells with SiRNA-silenced p53: MAP kinase pathway is preferentially activated in cells expressing inactivated p53. Int J Oncol 2007; 30:993-1001. [PMID: 17332940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/14/2023] Open
Abstract
Mutations in p53 are the most common genetic abnormality in cancers. Arsenic trioxide (ATO) is an effective chemotherapeutic agent for the treatment of acute promyelocytic leukemia (APL) and is being tested in phase II studies in various types of cancers. We have shown that ATO is a potent inducer of apoptosis in multiple myeloma cells, engaging primarily the intrinsic apoptotic pathway in cells expressing w.t. p53 and the extrinsic apoptotic pathway in cells expressing mutant p53. To further establish the differential apoptotic signals of ATO in relation to p53 functional status we studied the activation of the intrinsic and the extrinsic apoptotic pathways in IM9 myeloma cells expressing w.t. p53 following silencing of p53 and p21 with the corresponding SiRNAs-GFP constructs. In untransfected cells or in cells transfected with GFP-empty vector construct we observed weak apoptosis concomitant with mild depolarization of mitochondrial membrane, depletion of reduced glutathione and release of cytochrome c. Following silencing of p53 or p21 we observed extensive apoptosis concomitant with extensive depolarization of mitochondrial membrane and depletion of reduced glutathione. We also observed in these cells activation of the extrinsic apoptotic pathway through upregulation of APO2/TRAIL and APO2/TRAIL-R2, activation of caspase 8, degradation of FLIP-L and release of apoptosis inducing factors from mitochondria, instead of cytochrome c. In addition, we observed marked activation of the MAP kinase pathway and dephosphorylation of Akt in p53 or p21 silenced cells. Hence, silencing of p53 or p21 in IM9 myeloma cells results in diversion of apoptosis to the extrinsic pathway and sensitization of myeloma cells to ATO.
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Affiliation(s)
- Fatih Kircelli
- The University of Texas Health Science Center, San Antonio, TX 78284, USA
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21
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Ohira M, Ohdan H, Mitsuta H, Ishiyama K, Tanaka Y, Igarashi Y, Asahara T. Adoptive transfer of TRAIL-expressing natural killer cells prevents recurrence of hepatocellular carcinoma after partial hepatectomy. Transplantation 2007; 82:1712-9. [PMID: 17198265 DOI: 10.1097/01.tp.0000250935.41034.2d] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
BACKGROUND Antitumor activity of the liver natural killer (NK) cells reportedly decreases after partial hepatectomy, suggesting that patients with such depressed immune status are susceptible to the recurrence of hepatocellular carcinoma (HCC). We hypothesize that adoptive immunotherapy using activated NK cells can be a novel strategy to improve the depressed immune status in patients with HCC after hepatectomy or partial liver transplantation. In the present study, we have tested this hypothesis by using a mouse model. METHODS Intraportal injection of 1-5 x 10(6) Hepa1-6 cells (hepatoma cell line) did not result in liver metastases in untreated B6 mice, but led to the growth of liver metastases after extensive partial hepatectomy. Utilizing this murine HCC metastasis model, we investigated the antitumor activity of both remnant liver and exogenously transferred NK cells. RESULTS The anti-HCC activity of liver NK cells significantly decreased after partial hepatectomy. The expression of CD69 and tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) on liver NK cells was temporarily downregulated. The adoptive transfer of NK cells, including a TRAIL-expressing fraction, extracted from the liver perfusates of poly I:C-stimulated B6 mice inhibited the growth of liver metastasis in B6 or (B6xBALB/c) F1 (B6CF1) mice that underwent hepatectomy and received intraportal Hepa1-6 injection. CONCLUSIONS These findings indicate that adoptive immunotherapy using activated NK cells extracted from normal liver perfusates may be a novel technique for reconstituting the depressed immune status in cases of living donor liver transplantation involving HCC patients, recipients of a partial liver graft.
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MESH Headings
- Adoptive Transfer
- Animals
- Antigens, CD/analysis
- Antigens, Differentiation, T-Lymphocyte/analysis
- Carcinoma, Hepatocellular/immunology
- Carcinoma, Hepatocellular/pathology
- Carcinoma, Hepatocellular/surgery
- Cell Line, Tumor
- Cytotoxicity, Immunologic
- Hepatectomy
- Immunotherapy, Adoptive/methods
- Killer Cells, Natural/chemistry
- Killer Cells, Natural/immunology
- Killer Cells, Natural/transplantation
- Lectins, C-Type
- Liver/immunology
- Liver Neoplasms/immunology
- Liver Neoplasms/pathology
- Liver Neoplasms/surgery
- Lymphocyte Activation
- Mice
- Mice, Inbred Strains
- Neoplasm Recurrence, Local/prevention & control
- TNF-Related Apoptosis-Inducing Ligand/analysis
- TNF-Related Apoptosis-Inducing Ligand/metabolism
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Affiliation(s)
- Masahiro Ohira
- Department of Surgery, Division of Frontier Medical Science, Programs for Biomedical Research, Graduate School of Biomedical Science, Hiroshima University, Hiroshima, Japan
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Ferguson TA, Griffith TS. The role of Fas ligand and TNF-related apoptosis-inducing ligand (TRAIL) in the ocular immune response. Chem Immunol Allergy 2007; 92:140-154. [PMID: 17264490 DOI: 10.1159/000099265] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The host response to pathogenic insults involves complex inflammatory responses and cellular immune reactions. While these are central to host defense and vital to clearing dangerous invaders, they are often associated with nonspecific injury to nearby tissue. These localized reactions function to successfully deal with pathogens before they spread to other areas. They are generally effective since most organ systems can tolerate these responses without permanent consequences. There are sites, however, that prohibit the spread of inflammation because these episodes can threaten organ integrity and function. The most prominent examples of these are the eye, brain, and reproductive organs (testis and ovary) where even minor bouts of inflammation can have long-term consequences on the survival of the organism. In these areas, immune responses either do not proceed, or proceed in a manner different from other areas; thus, they are called 'immunologically privileged'. Studies by a number of laboratories have determined that there are a number of mediators of ocular immune privilege. These include locally produced immunosuppressive cytokines, neuropeptides, limited expression of major histocompatibility complex class I and class II, complementregulatory proteins, immune deviation, natural killer cell inhibitors, and the expression of the death-inducing ligands Fas ligand (FasL) and tumor necrosis factor (TNF)-related apoptosisinducing ligand (TRAIL). The death-inducing molecules are poised to effectively deal with inflammatory cells once they pass the natural barriers of the eye, and effectively limit the spread of inflammatory cells and tumor cells within the confines of the eye by inducing apoptosis. The function of FasL and TRAIL will be the subject of this chapter.
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Affiliation(s)
- Thomas A Ferguson
- Department of Ophthalmology and Visual Sciences, Washington University School of Medicine, St. Louis, Mo., USA
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Shi J, Zhang Y, Su JY, Li X, Pu Q, Ikeda K. [Cytotoxicity of IFN-gamma-activated dendritic cells to freshly isolated acute myeloid leukemia cells]. Zhongguo Shi Yan Xue Ye Xue Za Zhi 2005; 13:1071-5. [PMID: 16403283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
To investigate the tumoricidal activity of dendritic cell (DC) stimulated by interferon-gamma (IFN-gamma) against freshly isolated myeloid leukemia cells and its mechanism, the peripheral blood monocytes collected from healthy donors were cocultured with interleukin-4 and granulocyte-macrophage colony-stimulating factor in medium to induce DC for 7 days. After 12 hour culture in the absence or presence of IFN-gamma, the changes of costimulatory molecules were analyzed with flow cytometry. To assay the cytotoxicity of DC against freshly isolated acute myeloid cells, they were cocultured at various effector-to-target ratio for 18 hours, then the percentage of tumoricidal activity was measured with (51)Cr release assay. To explore the mechanism of DC-mediated cytotoxicity, the change of DC surface or intracellular protein expression of Fas ligand (Fas L), TNF-alpha and TNF related apoptosis-inducing ligand (TRAIL) were analyzed with flow cytometry. The results showed that IFN-gamma enhanced cytotoxicity of DC against AML cells was (33.8 +/- 1.6)% at E:T as 20:1, compared with unstimulated DC (P < 0.05); IFN-gamma up-regulated expression of costimulatory molecules of DC surface such as CD86 and CD83; after stimulation with IFN-gamma, expression of intracellular TRAIL of DC was significantly enhanced, but expression of TRAIL on cell surface of DC was low; while the significant changes of Fas L and TNF-alpha expression neither on cell surface or in cells were not observed before or after stimulation with IFN-gamma. It is concluded that DC stimulated by IFN-gamma exhibit tumoricidal activity against AML cells. The cytotoxicity is partially related to maturation of DC and TRAIL inducing apoptosis, but not associated with death domain-independent mechanism of Fas L and TNF-alpha.
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Affiliation(s)
- Jun Shi
- Department of Hematology, The Sixth Hospital of Shanghai Jiaotong University, Shanghai 200233, China.
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