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Cristaudo A, Foddis R, Bonotti A, Simonini S, Vivaldi A, Guglielmi G, Ambrosino N, Canessa PA, Chella A, Lucchi M, Mussi A, Mutti L. Comparison between Plasma and Serum Osteopontin Levels: Usefulness in Diagnosis of Epithelial Malignant Pleural Mesothelioma. Int J Biol Markers 2018; 25:164-70. [DOI: 10.1177/172460081002500307] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/18/2010] [Indexed: 12/30/2022]
Abstract
Background A potential role of serum osteopontin (OPN) and serum mesothelin-related peptide (SMRP) in the diagnosis of malignant pleural mesothelioma (MPM) has been recently reported. Although the most important data regarding the role of OPN in MPMs derive from the marker's measurement in serum samples, most commercial laboratory kits for OPN assay are suitable only for measuring plasma levels, as indicated by the manufacturers. Our study aimed to evaluate the influence of preanalytic variables on serum and plasma OPN, to compare serum and plasma OPN in the same population, and to assess whether OPN levels can aid in the diagnostic distinction of patients with MPM versus benign respiratory disease (BRD) and healthy subjects exposed to asbestos. Methods The influence of preanalytic variables such as the length of storage at different temperatures and the number of thawings of samples on serum and plasma OPN measurements were evaluated. We measured OPN in 239 plasma samples from 207 asbestos-exposed subjects including 94 healthy controls and 113 subjects with BRD, and 32 patients with epithelial MPM, employing a commercially available ELISA. Serum OPN was measured in 196 of the same 239 samples from 80 healthy subjects, 92 BRD patients and 24 MPM patients. Results We found that both serum and plasma OPN levels were influenced by storage at –80°C and by the number of thawings, while serum OPN was influenced also by storage at room temperature. Plasma and serum OPN levels were significantly higher (p<0.0001) in patients with epithelial MPM than in the healthy control group and the BRD group. The application of a ROC curve for plasma OPN resulted in an AUC value of 0.780 with a best cutoff of 878.65 ng/mL, with a sensitivity of 68.8% and a specificity of 84.5%. The AUC for sOPN was 0.725 with a best cutoff of 16.06 ng/mL, with a sensitivity of 62.5% and a specificity of 87.3%. Within the control group no significant correlation was observed between age, duration of asbestos exposure, pack-years in current smokers, lung function or imaging parameters and plasma or serum OPN. Conclusions These data suggest that plasm OPN and serum OPN are not influenced by confounding factors such as age, smoking habits and asbestos exposure. Plasma and serum OPN may be useful markers in the diagnosis of epithelial MPM in addition to traditional radiological exams. However, in our opinion plasma OPN is preferable to serum OPN because it is more stable and measurements of OPN in serum are less reliable.
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Affiliation(s)
- Alfonso Cristaudo
- Department of Endocrinology and Metabolism, Orthopedics and Traumatology, Occupational Medicine, University of Pisa, Pisa - Italy
| | - Rudy Foddis
- Department of Endocrinology and Metabolism, Orthopedics and Traumatology, Occupational Medicine, University of Pisa, Pisa - Italy
| | - Alessandra Bonotti
- Department of Endocrinology and Metabolism, Orthopedics and Traumatology, Occupational Medicine, University of Pisa, Pisa - Italy
| | - Silvia Simonini
- Department of Endocrinology and Metabolism, Orthopedics and Traumatology, Occupational Medicine, University of Pisa, Pisa - Italy
| | - Agnese Vivaldi
- Department of Endocrinology and Metabolism, Orthopedics and Traumatology, Occupational Medicine, University of Pisa, Pisa - Italy
| | - Giovanni Guglielmi
- Department of Endocrinology and Metabolism, Orthopedics and Traumatology, Occupational Medicine, University of Pisa, Pisa - Italy
| | | | | | - Antonio Chella
- Pulmonary Unit, University Hospital of Pisa, Pisa - Italy
| | - Marco Lucchi
- Cardiothoracic Department, University of Pisa, Pisa - Italy
| | - Alfredo Mussi
- Cardiothoracic Department, University of Pisa, Pisa - Italy
| | - Luciano Mutti
- Department of Medicine, Local Health Unit 11, Borgosesia (VC) - Italy
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A Novel Panel of Serum Biomarkers for MPM Diagnosis. DISEASE MARKERS 2017; 2017:3510984. [PMID: 28348450 PMCID: PMC5350384 DOI: 10.1155/2017/3510984] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 02/07/2017] [Accepted: 02/09/2017] [Indexed: 11/18/2022]
Abstract
Exposure to asbestos is the main cause of malignant pleural mesothelioma (MPM), a highly aggressive cancer of the pleura. Since the only tools for early detection are based on radiological tests, some authors focused on serum markers (i.e., mesothelin). The aim of this study was the evaluation of new serum biomarkers to be used individually or in combination, in order to improve the outcome of patients whose disease would be diagnosed at an earlier stage. Serum and plasma were available from 43 subjects previously exposed to asbestos and 27 MPM patients, all being epithelioid type. All the new markers found differentially expressed in MPM and healthy subjects, by proteomic and genomic approaches, have been validated in the serum by the use of specific ELISA. The combined approach, using tools of genomics and proteomics, is found to be highly innovative for this type of disease and led to the identification of new serum markers in the diagnosis of MPM. These results, if confirmed in a larger series, may have a strong impact in this area, because early detection of this cancer in people at high risk could significantly improve the course of the disease and the clinical approach to an individualized therapy.
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Bioanalytical techniques for detecting biomarkers of response to human asbestos exposure. Bioanalysis 2016; 7:1157-73. [PMID: 26039812 DOI: 10.4155/bio.15.53] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Asbestos exposure is known to cause lung cancer and mesothelioma and its health and economic impacts have been well documented. The exceptionally long latency periods of most asbestos-related diseases have hampered preventative and precautionary steps thus far. We aimed to summarize the state of knowledge on biomarkers of response to asbestos exposure. Asbestos is not present in human biological fluids; rather it is inhaled and trapped in lung tissue. Biomarkers of response, which reflect a change in biologic function in response to asbestos exposure, are analyzed. Several classes of molecules have been studied and evaluated for their potential utility as biomarkers of asbestos exposure. These studies range from small molecule oxidative stress biomarkers to proteins involved in immune responses.
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He LJ, Xie D, Hu PJ, Liao YJ, Deng HX, Kung HF, Zhu SL. Macrophage migration inhibitory factor as a potential prognostic factor in gastric cancer. World J Gastroenterol 2015; 21:9916-9926. [PMID: 26379396 PMCID: PMC4566384 DOI: 10.3748/wjg.v21.i34.9916] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Revised: 04/13/2015] [Accepted: 07/15/2015] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate macrophage migration inhibitory factor (MIF) expression and its clinical relevance in gastric cancer, and effects of MIF knockdown on proliferation of gastric cancer cells.
METHODS: Tissue microarray containing 117 samples of gastric cancer and adjacent non-cancer normal tissues was studied for MIF expression by immunohistochemistry (IHC) semiquantitatively, and the association of MIF expression with clinical parameters was analyzed. MIF expression in gastric cancer cell lines was detected by reverse transcription-polymerase chain reaction (RT-PCR) and Western blot. Two pairs of siRNA targeting the MIF gene (MIF si-1 and MIF si-2) and one pair of scrambled siRNA as a negative control (NC) were designed and chemically synthesized. All siRNAs were transiently transfected in AGS cells with OligofectamineTM to knock down the MIF expression, with the NC group and mock group (OligofectamineTM alone) as controls. At 24, 48, and 72 h after transfection, MIF mRNA was analyzed by RT-PCR, and MIF and proliferating cell nuclear antigen (PCNA) proteins were detected by Western blot. The proliferative rate of AGS cells was assessed by methylthiazolyl tetrazolium (MTT) assay and colony forming assay.
RESULTS: The tissue microarray was informative for IHC staining, in which the MIF expression in gastric cancer tissues was higher than that in adjacent non-cancer normal tissues (P < 0.001), and high level of MIF was related to poor tumor differentiation, advanced T stage, advanced tumor stage, lymph node metastasis, and poor patient survival (P < 0.05 for all). After siRNA transfection, MIF mRNA was measured by real-time PCR, and MIF protein and PCNA were assessed by Western blot analysis. We found that compared to the NC group and mock group, MIF expression was knocked down successfully in gastric cancer cells, and PCNA expression was downregulated with MIF knockdown as well. The cell counts and the doubling times were assayed by MTT 4 d after transfection, and colonies formed were assayed by colony forming assay 10 d after transfection; all these showed significant changes in gastric cancer cells transfected with specific siRNA compared with the control siRNA and mock groups (P < 0.001 for all).
CONCLUSION: MIF could be of prognostic value in gastric cancer and might be a potential target for small-molecule therapy.
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Mahmoud HF. Early detection of malignant pleural mesothelioma. THE EGYPTIAN JOURNAL OF BRONCHOLOGY 2014. [DOI: 10.4103/1687-8426.137342] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Kodavanti UP, Andrews D, Schladweiler MC, Gavett SH, Dodd DE, Cyphert JM. Early and delayed effects of naturally occurring asbestos on serum biomarkers of inflammation and metabolism. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2014; 77:1024-1039. [PMID: 25072823 DOI: 10.1080/15287394.2014.899171] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Studies recently showed that intratracheal (IT) instillation of Libby amphibole (LA) increases circulating acute-phase proteins (APP; α-2 macroglobulin, A2M; and α-1 acid glycoprotein, AGP) and inflammatory biomarkers (osteopontin and lipocalin) in rats. In this study, objectives were to (1) compare changes in biomarkers of rats after instillation of different naturally occurring asbestos (NOA) minerals including LA, Sumas Mountain chrysotile (SM), El Dorado Hills tremolite (ED), and Ontario ferroactinolite cleavage fragments (ON), and (2) examine biomarkers after subchronic LA or amosite inhalation exposure. Rat-respirable fractions (aerodynamic diameter approximately 2.5 μm) prepared by water elutriation were delivered via a single IT instillation at doses of 0, 0.5, and 1.5 mg/rat in male F344 rats. Nose-only inhalation exposures were performed at 0, 1, 3.3, and 10 mg/m(3) for LA and at 3.3 mg /m(3) for amosite, 6h/d, 5 d/wk for 13 wk. Inflammation, metabolic syndrome, and cancer biomarkers were analyzed in the serum for up to 18 mo. IT instillation of some asbestos materials significantly increased serum AGP and A2M but to a varying degree (SM = LA > ON = ED). Numerical increases in interleukin (IL)-6 and osteopontin occurred in rats instilled with SM. SM and ED also elevated leptin and insulin at 15 mo, suggesting potential metabolic effects. LA inhalation tended to raise A2M at d 1 but not cytokines. Serum mesothelin appeared to elevate after 18 mo of LA inhalation. These results suggest that the lung injury induced by high levels of asbestos materials may be associated with systemic inflammatory changes and predisposition to insulin resistance.
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Affiliation(s)
- Urmila P Kodavanti
- a Cardiopulmonary and Immunotoxicology Branch, Environmental Public Health Division , National Health and Environmental Effects Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency , Research Triangle Park , North Carolina , USA
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Bayram M, Dongel I, Akbaş A, Benli I, Akkoyunlu ME, Bakan ND. Serum biomarkers in patients with mesothelioma and pleural plaques and healthy subjects exposed to naturally occurring asbestos. Lung 2013; 192:197-203. [PMID: 24170217 DOI: 10.1007/s00408-013-9526-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Accepted: 10/09/2013] [Indexed: 12/29/2022]
Abstract
PURPOSE This study investigated the diagnostic accuracy of the serum biomarkers osteopontin and mesothelin in discriminating mesothelioma patients from those with other, benign conditions and whether levels of the biomarkers differed in subjects who had inhaled naturally occurring asbestos compared with a non-exposed control group. METHODS This cross-sectional study studied 24 subjects with mesothelioma, 279 subjects with pleural plaques, 123 "healthy exposed," and 120 control subjects. The Kruskal-Wallis test was performed to compare mesothelin and osteopontin levels of the groups, and receiver operating characteristics curves were generated to determine diagnostic yields of both biomarkers. Multiple linear regression analyses were used to identify associated covariates with osteopontin and mesothelin levels. RESULTS Serum osteopontin and mesothelin levels were higher in mesothelioma than in benign asbestos-related diseases and healthy exposed subjects. Both biomarker levels were independently associated with mesothelioma, age and smoking pack years. Mesothelin levels were also associated with body mass index. The sensitivity and specificity of osteopontin in distinguishing mesothelioma from the three other groups were 75 and 86 %, respectively; those of mesothelin were 58 and 83 %, respectively. The sensitivity and specificity to discriminate mesothelioma from pleural plaques and healthy subjects were 93 and 73 %, respectively, if osteopontin and mesothelin levels were higher than their optimal cut off levels. CONCLUSIONS The combination of serum osteopontin and mesothelin levels can help to distinguish mesothelioma from benign asbestos-related diseases and asbestos-exposed subjects.
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Affiliation(s)
- Mehmet Bayram
- Department of Pulmonology, Bezmialem Vakif University, Istanbul, Turkey,
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Prazakova S, Thomas PS, Sandrini A, Yates DH. Asbestos and the lung in the 21st century: an update. CLINICAL RESPIRATORY JOURNAL 2013; 8:1-10. [PMID: 23711077 DOI: 10.1111/crj.12028] [Citation(s) in RCA: 95] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2013] [Revised: 04/17/2013] [Accepted: 05/20/2013] [Indexed: 01/16/2023]
Abstract
The asbestos-related disorders (ARDs) are currently of significant occupational and public health concern. Asbestos usage has been banned in most developed countries, but asbestos is still used in many developing countries and the number of cases of ARDs worldwide is rising. Many countries are now experiencing an epidemic of ARDs that is the legacy of occupational exposure in the 1960s-1980s because of the long latency period between asbestos exposure and manifestation of disease. It is likely that asbestos-related mortality and morbidity will continue to increase. Although the most feared complications of asbestos inhalation are the malignant conditions such as mesothelioma and lung cancer, asbestos inhalation more frequently results in benign conditions such as pleural plaques, diffuse pleural thickening, and asbestosis (pulmonary fibrosis due to asbestos exposure). Over recent years, there have been changes in the epidemiology of mesothelioma, in clinical management of ARDs and developments in new techniques for early detection of malignancy. This review provides an update on the respiratory manifestations of asbestos exposure and also considers advances in screening methods that may affect future management in the workplace.
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Affiliation(s)
- Silvie Prazakova
- Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia; Respiratory Medicine Department, Prince of Wales Hospital, Sydney, NSW, Australia
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Felten MK, Khatab K, Knoll L, Schettgen T, Müller-Berndorff H, Kraus T. Changes of mesothelin and osteopontin levels over time in formerly asbestos-exposed power industry workers. Int Arch Occup Environ Health 2013; 87:195-204. [PMID: 23423281 DOI: 10.1007/s00420-013-0853-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2011] [Accepted: 02/05/2013] [Indexed: 10/27/2022]
Abstract
PURPOSE In patients developing malignant pleural mesothelioma (MPM) or lung cancer, using effective tumour markers is the quickest way to ensure early diagnosis and improve survival time. The aim of our study was to assess the influence of age and asbestos exposure on the blood levels of the proposed tumour markers, mesothelin and osteopontin, and to determine the change of these markers over time. METHODS We analysed 3,329 blood samples of 2,262 participants including 1,894 formerly asbestos-exposed power industry workers, a mixed group of 266 participants with an unknown history of asbestos exposure and a group of 102 non-asbestos-exposed controls. Marker concentrations were determined using commercial ELISA kits. RESULTS While age had a strong influence on marker levels, there was no association between exposure duration or benign asbestos-related disease and marker levels. In order to assess the maximum increase that can be expected to occur in asbestos-exposed workers those with an at least 10 % increase were selected (n = 290 for mesothelin and n = 81 for osteopontin). The 95th percentile of the annual change was 0.402 nmol/l for mesothelin and 334 ng/ml for osteopontin. In two patients with MPM and five with lung cancer, we could obtain more than one marker result before the diagnosis was made. Both MPM patients showed a steep increase of mesothelin levels. CONCLUSIONS Fixed cut-off values for deciding between intensive clinical work-up and continued surveillance appeared inadequate for the evaluated markers. While general conclusions cannot be drawn, we can say that the results of the two patients would be consistent with a mesothelin increase between 6 and 18 months before clinical symptoms developed.
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Affiliation(s)
- Michael K Felten
- Medical Faculty, Institute of Occupational and Social Medicine, RWTH Aachen University, Pauwelsstr. 30, 52074, Aachen, Germany,
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Abstract
Malignant pleural mesothelioma (MPM) can be a challenging diagnosis for clinicians to make as it is often difficult to distinguish from benign asbestos pleural effusions and metastatic carcinomas. In this review, we present a case of MPM and discuss clinical manifestations, traditional diagnostic techniques, and the role of cytopathologic immunostains and serum biomarkers in the diagnosis of MPM.
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Shannahan JH, Alzate O, Winnik WM, Andrews D, Schladweiler MC, Ghio AJ, Gavett SH, Kodavanti UP. Acute phase response, inflammation and metabolic syndrome biomarkers of Libby asbestos exposure. Toxicol Appl Pharmacol 2012; 260:105-14. [PMID: 22366155 DOI: 10.1016/j.taap.2012.02.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2011] [Revised: 02/10/2012] [Accepted: 02/12/2012] [Indexed: 12/14/2022]
Abstract
Identification of biomarkers assists in the diagnosis of disease and the assessment of health risks from environmental exposures. We hypothesized that rats exposed to Libby amphibole (LA) would present with a unique serum proteomic profile which could help elucidate epidemiologically-relevant biomarkers. In four experiments spanning varied protocols and temporality, healthy (Wistar Kyoto, WKY; and F344) and cardiovascular compromised (CVD) rat models (spontaneously hypertensive, SH; and SH heart failure, SHHF) were intratracheally instilled with saline (control) or LA. Serum biomarkers of cancer, inflammation, metabolic syndrome (MetS), and the acute phase response (APR) were analyzed. All rat strains exhibited acute increases in α-2-macroglobulin, and α1-acid glycoprotein. Among markers of inflammation, lipocalin-2 was induced in WKY, SH and SHHF and osteopontin only in WKY after LA exposure. While rat strain- and age-related changes were apparent in MetS biomarkers, no LA effects were evident. The cancer marker mesothelin was increased only slightly at 1 month in WKY in one of the studies. Quantitative Intact Proteomic profiling of WKY serum at 1 day or 4 weeks after 4 weekly LA instillations indicated no oxidative protein modifications, however APR proteins were significantly increased. Those included serine protease inhibitor, apolipoprotein E, α-2-HS-glycoprotein, t-kininogen 1 and 2, ceruloplasmin, vitamin D binding protein, serum amyloid P, and more 1 day after last LA exposure. All changes were reversible after a short recovery regardless of the acute or long-term exposures. Thus, LA exposure induces an APR and systemic inflammatory biomarkers that could have implications in systemic and pulmonary disease in individuals exposed to LA.
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Affiliation(s)
- Jonathan H Shannahan
- Curriculum in Toxicology, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599, USA
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Rodríguez Portal JA. Asbestos-Related Disease. Adv Clin Chem 2012. [DOI: 10.1016/b978-0-12-394384-2.00006-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Combined serum mesothelin and plasma osteopontin measurements in malignant pleural mesothelioma. J Thorac Oncol 2011; 6:1587-93. [PMID: 21642872 DOI: 10.1097/jto.0b013e31821e1c08] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
INTRODUCTION Malignant pleural mesothelioma (MPM) is a lethal tumor related to asbestos exposure. At present, the only instruments for screening and diagnosis are based on radiological tests, posing evident economic and radio-protectionist problems. Some authors are evaluating biological indicators, such as plasma osteopontin (pOPN) and serum soluble mesothelin-related peptides (SMRP). This study aimed to evaluate whether a combination of these two markers could increase sensitivity and specificity in diagnosis of epithelioid MPM. METHODS We enrolled 93 healthy subjects, 111 individuals with benign respiratory disease (BRD), and 31 patients with MPM, histologically and/or cytologically confirmed. SMRP and pOPN levels were determined using commercially available enzyme-linked immunosorbent assay kits. Though a logistic regression analysis, SMRP and pOPN were combined and translated into a new index, called "combined risk index." RESULTS Differences in both SMRP and pOPN mean values between epithelial MPM patients and healthy subjects or BRD patients were statistically significant (p < 0.0001), whereas there was no difference in SMRP and pOPN mean values between healthy subjects and BRD patients. The performance in MPM diagnosis resulted improved by the combination of the two markers. The results of our study should be confirmed by a larger scale and, possibly, a multicenter study, which could better take into consideration the influence of some possible confounding factors such as glomerular filtration rate and other blood parameters. CONCLUSIONS We combined SMRP and pOPN dosages to increase diagnostic accuracy. This study showed for the first time that combined SMRP and pOPN measurements can increase both sensitivity and specificity in terms of combined risk index.
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Cristaudo A, Bonotti A, Simonini S, Bruno R, Foddis R. Soluble markers for diagnosis of malignant pleural mesothelioma. Biomark Med 2011; 5:261-73. [DOI: 10.2217/bmm.11.18] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Malignant pleural mesothelioma (MPM) is a highly aggressive and invasive tumor, whose incidence is expected to peak, in many countries, at the end of the present decade, 20–40 years after the peak of asbestos use (asbestos being the most important etiological factor). MPM has a poor prognosis, in part, owing to a difficult and often late diagnosis hindered by a lack of available tests able to diagnose or predict this cancer in its early stages. Recently, there has been increased interest in noninvasive, economic and well-accepted diagnostic tests for screening of asbestos-exposed subjects, as well as for monitoring response of MPM patients to treatment. Several markers have been studied in biofluids, such as serum, plasma and pleural effusions, especially using ELISA, and some of them are still under investigation. However, only mesothelin and ostepontin have proven levels of sensitivity and specificity that are worth testing in the clinical setting.
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Affiliation(s)
| | - Alessandra Bonotti
- Department of Endocrinology & Metabolism, Orthopedics & Traumatology, Occupational Medicine, University of Pisa, via Paradisa, 2 Pisa 56124, Italy
| | - Silvia Simonini
- Department of Endocrinology & Metabolism, Orthopedics & Traumatology, Occupational Medicine, University of Pisa, via Paradisa, 2 Pisa 56124, Italy
| | - Rossella Bruno
- Department of Endocrinology & Metabolism, Orthopedics & Traumatology, Occupational Medicine, University of Pisa, via Paradisa, 2 Pisa 56124, Italy
| | - Rudy Foddis
- Department of Endocrinology & Metabolism, Orthopedics & Traumatology, Occupational Medicine, University of Pisa, via Paradisa, 2 Pisa 56124, Italy
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Creaney J, Yeoman D, Musk AW, de Klerk N, Skates SJ, Robinson BWS. Plasma versus serum levels of osteopontin and mesothelin in patients with malignant mesothelioma--which is best? Lung Cancer 2011; 74:55-60. [PMID: 21397972 DOI: 10.1016/j.lungcan.2011.02.007] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2010] [Revised: 01/19/2011] [Accepted: 02/11/2011] [Indexed: 01/02/2023]
Abstract
BACKGROUND Blood-based markers for malignant mesothelioma (MM), particularly soluble mesothelin and osteopontin, are currently of great clinical interest. As there is some concern about the sensitivity of osteopontin in serum versus plasma, we compared them in the same patient population to mesothelin. METHODS Soluble mesothelin and osteopontin concentrations were determined by commercial assays in blood samples from 66 patients with pleural MM, 47 patients with non-malignant asbestos-related lung or pleural disease, 42 patients with other benign pleural and lung diseases and 21 patients with lung cancer. RESULTS Soluble mesothelin and osteopontin in serum and plasma were significantly elevated in MM patients compared to patients with benign lung and pleural disease. At a level of specificity of 95% relative to patients with benign disease, the sensitivity of mesothelin in serum and plasma at presentation with symptoms was 67%, and for osteopontin in the plasma was 40% and in the serum was 20% for MM patients. Combining the serum mesothelin and plasma osteopontin markers using a logistic regression model did not significantly increase the area under the receiver operator curve. CONCLUSION Plasma osteopontin has a superior diagnostic accuracy to serum. As the choice of blood sample type has limit effect on soluble mesothelin sensitivity, plasma should be collected for biomarker evaluation in patients suspected of having mesothelioma.
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Affiliation(s)
- Jenette Creaney
- National Research Centre for Asbestos Related Diseases, School of Medicine and Pharmacology, University of Western Australia, Sir Charles Gairdner Hospital, 4th Floor, G Block, Verdun St, Nedlands, WA 6009, Australia.
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Wingard CJ, Walters DM, Cathey BL, Hilderbrand SC, Katwa P, Lin S, Ke PC, Podila R, Rao A, Lust RM, Brown JM. Mast cells contribute to altered vascular reactivity and ischemia-reperfusion injury following cerium oxide nanoparticle instillation. Nanotoxicology 2010; 5:531-45. [PMID: 21043986 DOI: 10.3109/17435390.2010.530004] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Cerium oxide (CeO₂) represents an important nanomaterial with wide ranging applications. However, little is known regarding how CeO₂ exposure may influence pulmonary or systemic inflammation. Furthermore, how mast cells would influence inflammatory responses to a nanoparticle exposure is unknown. We thus compared pulmonary and cardiovascular responses between C57BL/6 and B6.Cg-Kit(W-sh) mast cell deficient mice following CeO₂ nanoparticle instillation. C57BL/6 mice instilled with CeO₂ exhibited mild pulmonary inflammation. However, B6.Cg-Kit(W-sh) mice did not display a similar degree of inflammation following CeO₂ instillation. Moreover, C57BL/6 mice instilled with CeO₂ exhibited altered aortic vascular responses to adenosine and an increase in myocardial ischemia/reperfusion injury which was absent in B6.Cg-Kit(W-sh) mice. In vitro CeO₂ exposure resulted in increased production of PGD₂, TNF-α, IL-6 and osteopontin by cultured mast cells. These findings demonstrate that CeO₂ nanoparticles activate mast cells contributing to pulmonary inflammation, impairment of vascular relaxation and exacerbation of myocardial ischemia/reperfusion injury.
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Affiliation(s)
- Christopher J Wingard
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, North Carolina 27834, USA
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Preliminary study of positron emission tomography/computed tomography and plasma osteopontin levels in patients with asbestos-related pleural disease. Jpn J Radiol 2010; 28:446-52. [DOI: 10.1007/s11604-010-0449-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2010] [Accepted: 04/06/2010] [Indexed: 10/19/2022]
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Tomasetti M, Santarelli L. Biomarkers for early detection of malignant mesothelioma: diagnostic and therapeutic application. Cancers (Basel) 2010; 2:523-48. [PMID: 24281081 PMCID: PMC3835090 DOI: 10.3390/cancers2020523] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2010] [Revised: 04/01/2010] [Accepted: 04/07/2010] [Indexed: 12/30/2022] Open
Abstract
Malignant mesothelioma (MM) is a rare and aggressive tumour of the serosal cavities linked to asbestos exposure. Improved detection methods for diagnosing this type of neoplastic disease are essential for an early and reliable diagnosis and treatment. Thus, focus has been placed on finding tumour markers for the non-invasive detection of MM. Recently, some blood biomarkers have been described as potential indicators of early and advanced MM cancers. The identification of tumour biomarkers alone or in combination could greatly facilitate the surveillance procedure for cohorts of subjects exposed to asbestos, a common phenomenon in several areas of western countries.
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Affiliation(s)
- Marco Tomasetti
- Department of Molecular Pathology and Innovative Therapies, Occupational Medicine, Polytechnic University of Marche, via Tronto 10/A Torrette 60020, Ancona, Italy.
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Homozygous deletion of CDKN2A/2B is a hallmark of iron-induced high-grade rat mesothelioma. J Transl Med 2010; 90:360-73. [PMID: 20065947 DOI: 10.1038/labinvest.2009.140] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
In humans, mesothelioma has been linked to asbestos exposure, especially crocidolite and amosite asbestos, which contain high amounts of iron. Previously, we established a rat model of iron-induced peritoneal mesothelioma with repeated intraperitoneal injections of iron saccharate and an iron chelator, nitrilotriacetate. Here, we analyze these mesotheliomas using array-based comparative genomic hybridization (aCGH) and gene expression profiling by microarray. Mesotheliomas were classified into two distinct types after pathologic evaluation by immunohistochemistry. The major type, epithelioid mesothelioma (EM), originated in the vicinity of tunica vaginalis testis, expanded into the upper peritoneal cavity and exhibited papillary growth and intense podoplanin immunopositivity. The minor type, sarcomatoid mesothelioma (SM), originated from intraperitoneal organs and exhibited prominent invasiveness and lethality. Both mesothelioma types showed male preponderance. SMs revealed massive genomic alterations after aCGH analysis, including homozygous deletion of CDKN2A/2B and amplification of ERBB2 containing region, whereas EMs showed less genomic alterations. Uromodulin was highly expressed in most of the cases. After 4-week treatment, iron deposition in the mesothelia was observed with 8-hydroxy-2'-deoxyguanosine formation. These results not only show two distinct molecular pathways for iron-induced peritoneal mesothelioma, but also support the hypothesis that oxidative stress by iron overload is a major cause of CDKN2A/2B homozygous deletion.
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Park EK, Thomas PS, Yates DH. Biomarkers for early detection of mesothelioma in asbestos-exposed subjects. Clin Chem Lab Med 2010; 48:1673-4. [DOI: 10.1515/cclm.2010.306] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Pass HI, Carbone M. Current status of screening for malignant pleural mesothelioma. Semin Thorac Cardiovasc Surg 2009; 21:97-104. [PMID: 19822280 DOI: 10.1053/j.semtcvs.2009.06.007] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2009] [Indexed: 11/11/2022]
Abstract
Malignant mesothelioma is characterized by its association with asbestos, its long latency period, and the propensity for the diagnosis to be obtained in the later stages of the disease. Because the high-risk cohorts for mesothelioma are fairly well defined by the association with asbestos, and the exposure is usually in the workplace, it is hypothesized that early detection of the disease could (1) find patients at an earlier, more treatable stage and (2) result in prolonged survival over the present median 12 months from the start of therapy. Many studies have used standard chest X-ray to characterize changes associated with asbestos-exposed individuals, but the insensitivity of X-ray in screening patients with mesothelioma has never supported the wide-scale adaptation of such an effort. With the advent of computerized tomography, prospective trials, many of which are chiefly prevalence detection studies, have been performed and stress the importance for proper detailing by carefully qualifying suspicious changes, as well as defining the correct cohort to screen. Most recently, serum biomarkers with the potential to discriminate asbestos-exposed, non-cancer-bearing individuals from those with mesothelioma have been investigated both at single institutions and with multi-institutional-blinded trials. These markers, including soluble mesothelin-related protein, osteopontin, and megakaryocyte potentiating factor, may, in the future, be incorporated into a screening algorithm for high-risk asbestos-exposed individuals to help monitor these cohorts in a noninvasive fashion and guide the use of computerized tomography.
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Affiliation(s)
- Harvey I Pass
- Division of Thoracic Surgery and Thoracic Oncology, Department of Cardiothoracic Surgery, NYU Langone Medical Center, New York, New York 10016, USA.
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Ray M, Kindler HL. Malignant pleural mesothelioma: an update on biomarkers and treatment. Chest 2009; 136:888-896. [PMID: 19736192 DOI: 10.1378/chest.08-2665] [Citation(s) in RCA: 116] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
Although the insulating properties of asbestos have been known for millennia, the link between asbestos exposure and mesothelioma was not recognized until 1960, when it was first described in South African asbestos miners. The incidence of mesothelioma parallels asbestos usage with a latency of 20 to 40+ years; thus, patient numbers are declining in the United States but rising in the developing world. Radiation, genetics, and possibly simian virus 40 are less common causes. Diagnosis can be challenging, since the results of pleural fluid cytology testing are often negative despite repeated sampling. No staging system adequately predicts prognosis in the unresected patient. Newly described biomarkers, including soluble mesothelin-related peptide, megakaryocyte potentiation factor, and osteopontin, may predict which asbestos-exposed individuals will develop mesothelioma, and may prove useful in assessing response to treatment. Since surgery cannot eradicate all residual microscopic disease, a multimodality approach is encouraged. Metaanalysis suggests that pleurectomy/decortication may achieve outcomes similar to those of extrapleural penumonectomy. The standard first-line chemotherapy for unresectable disease is pemetrexed plus cisplatin. This combination improves response, survival, time to progression, pulmonary function, and disease-related symptoms. Carboplatin is often substituted, with similar results. Other active agents include raltitrexed, gemcitabine, and vinorelbine. Novel agents in clinical trials include inhibitors of the epidermal growth factor receptor, vascular endothelial growth factor, mesothelin, and histone deacetylases. Although disappointing results of early trials did not confirm promising preclinical data, recent studies have suggested that some novel agents may be effective. As we learn more about mesothelioma biology, molecularly targeted agents may become treatment options.
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Affiliation(s)
- Mandira Ray
- Section of Hematology/Oncology, University of Chicago Medical Center, Chicago, IL
| | - Hedy Lee Kindler
- Section of Hematology/Oncology, University of Chicago Medical Center, Chicago, IL.
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CT appearances of pleural tumours. Clin Radiol 2009; 64:918-30. [DOI: 10.1016/j.crad.2009.03.010] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2008] [Revised: 03/15/2009] [Accepted: 03/19/2009] [Indexed: 01/21/2023]
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