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Hu X, Zou L, Wang S, Zeng T, Li P, Shen Y, Chen L. Performance of Serum Angiotensin-Converting Enzyme in Diagnosing Sarcoidosis and Predicting the Active Status of Sarcoidosis: A Meta-Analysis. Biomolecules 2022; 12:biom12101400. [PMID: 36291609 PMCID: PMC9599650 DOI: 10.3390/biom12101400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/23/2022] [Accepted: 09/28/2022] [Indexed: 11/16/2022] Open
Abstract
The usefulness of serum angiotensin-converting enzyme (sACE) for diagnosing sarcoidosis and determining the active status of sarcoidosis has been reported with varying outcomes. On the basis of the majority of published data, we conducted a meta-analysis to calculate the overall predictive accuracy of sACE in sarcoidosis disease and the active status of sarcoidosis. The inclusion of related research listed in Web of Science, PubMed, Scopus, and other literature databases was assessed. SROC curves were generated to characterize the overall test results after data on sensitivity, specificity, positive likelihood ratio (PLR), negative likelihood ratio (NLR), and diagnostic odds ratio (DOR) were combined. Publication bias was identified using Deeks’ funnel plot. Thirty-five publications with 8645 subjects met the inclusion criteria. The following are summary estimates of sACE diagnostic performance for sarcoidosis: sensitivity, 60% (95% confidence interval (CI), 52–68%); specificity, 93% (95% CI, 88–96%); PLR, 8.4 (95% CI, 5.3–13.3); NLR, 0.43 (95% CI, 0.36–0.52); and DOR, 19 (95% CI, 12–31). The area under the SROC curve (AUC) was 0.84 (95% CI, 0.80–0.87). Summary estimates for predicting the active status of sarcoidosis were as follows: sensitivity, 0.76 (95% CI, 0.61–0.87); specificity, 0.80 (95% CI, 0.64–0.90); PLR, 3.9 (95% CI, 2.1–7.3); NLR, 0.29 (95% CI, 0.17–0.49); and DOR, 13 (95% CI, 6–31). The AUC was 0.85 (95% CI, 0.82–0.88). There was no evidence of publication bias. Our meta-analysis suggests that measuring the sACE may assist in the diagnosis of sarcoidosis and predicting the active status of sarcoidosis, but the interpretation of the sACE results should be with caution. Future studies should validate our results.
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Affiliation(s)
- Xueru Hu
- Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University and Division of Pulmonary Diseases, State Key Laboratory of Biotherapy of China, Chengdu 610041, China
| | - Li Zou
- Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Shuyan Wang
- Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University and Division of Pulmonary Diseases, State Key Laboratory of Biotherapy of China, Chengdu 610041, China
| | - Tingting Zeng
- Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University and Division of Pulmonary Diseases, State Key Laboratory of Biotherapy of China, Chengdu 610041, China
| | - Ping Li
- Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University and Division of Pulmonary Diseases, State Key Laboratory of Biotherapy of China, Chengdu 610041, China
| | - Yongchun Shen
- Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University and Division of Pulmonary Diseases, State Key Laboratory of Biotherapy of China, Chengdu 610041, China
- Correspondence: (Y.S.); (L.C.); Tel.: +86-28-85422380 (Y.S. & L.C.); Fax: +86-28-85582944 (Y.S. & L.C.)
| | - Lei Chen
- Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University and Division of Pulmonary Diseases, State Key Laboratory of Biotherapy of China, Chengdu 610041, China
- Correspondence: (Y.S.); (L.C.); Tel.: +86-28-85422380 (Y.S. & L.C.); Fax: +86-28-85582944 (Y.S. & L.C.)
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Casanova N, Zhou T, Knox KS, Garcia JGN. Identifying Novel Biomarkers in Sarcoidosis Using Genome-Based Approaches. Clin Chest Med 2015; 36:621-630. [PMID: 26593137 DOI: 10.1016/j.ccm.2015.08.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
This article briefly reviews conventional biomarkers used clinically to (1) support a diagnosis and (2) monitor disease progression in patients with sarcoidosis. Potential new biomarkers identified by genome-wide screening and the approaches to discover these biomarkers are described.
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Affiliation(s)
- Nancy Casanova
- University of Arizona Health Sciences Center, Arizona Respiratory Center and Department of Medicine, University of Arizona, Tucson, AZ 78721, USA
| | - Tong Zhou
- University of Arizona Health Sciences Center, Arizona Respiratory Center and Department of Medicine, University of Arizona, Tucson, AZ 78721, USA
| | - Kenneth S Knox
- University of Arizona Health Sciences Center, Arizona Respiratory Center and Department of Medicine, University of Arizona, Tucson, AZ 78721, USA
| | - Joe G N Garcia
- University of Arizona Health Sciences Center, Arizona Respiratory Center and Department of Medicine, University of Arizona, Tucson, AZ 78721, USA
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Sarı G, Kurt E, Saydam F, Değirmenci İ, Güneş HV. Association between I/D polymorphism in the ACE gene and sarcoidosis in Turkish patients. Cytotechnology 2014; 67:1067-72. [PMID: 25008296 DOI: 10.1007/s10616-014-9747-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Accepted: 05/17/2014] [Indexed: 11/26/2022] Open
Abstract
Sarcoidosis is a chronic inflammatory disease with a complex pathogenesis and unknown etiology characterized by noncaseating granulomas that invade the lungs, eyes, liver and other organs. Insertion (I)/deletion (D) polymorphism in the gene encoding the angiotensin-converting enzyme (ACE) has been studied to examine the genetic predisposition to sarcoidosis in different populations, but the results have been inconsistent and inconclusive. This study aimed to determine the frequencies of the genotypes and alleles of I/D polymorphism in the ACE gene in Turkish patients as a distinct ethnic group and to investigate whether such polymorphism is associated with predisposition to sarcoidosis. Genomic DNA samples obtained from 154 individuals (70 patients with sarcoidosis and 84 healthy controls) were used in the study. The DNA was amplified using polymerase chain reactions using allele-specific primers. The amplified products were analyzed by 2 % agarose gel electrophoresis followed by UV transillumination. The allele frequencies and genotype distribution of the groups were analyzed using the Chi square test. There were no significant differences between the controls and sarcoidosis cases with respect to genotype distribution (χ(2) = 4.202, p = 0.122) and allele frequencies (χ(2) = 1.358, p = 0.244). Our results suggest that I/D polymorphism in the ACE gene does not cause a genetic predisposition to sarcoidosis in Turkish patients.
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Affiliation(s)
- Gülden Sarı
- Department of Chest Diseases, Gaziemir State Hospital, Izmir, Turkey
| | - Emel Kurt
- Department of Chest Diseases, Faculty of Medicine, Eskişehir Osmangazi University, Eskisehir, Turkey
| | - Faruk Saydam
- Department of Medical Biology, Faculty of Medicine, Eskişehir Osmangazi University, Odunpazarı, 26480, Eskisehir, Turkey.
| | - İrfan Değirmenci
- Department of Medical Biology, Faculty of Medicine, Eskişehir Osmangazi University, Odunpazarı, 26480, Eskisehir, Turkey
| | - Hasan Veysi Güneş
- Department of Medical Biology, Faculty of Medicine, Eskişehir Osmangazi University, Odunpazarı, 26480, Eskisehir, Turkey
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Song GG, Kim JH, Lee YH. Associations between the angiotensin-converting enzyme insertion/deletion polymorphism and susceptibility to sarcoidosis: A meta-analysis. J Renin Angiotensin Aldosterone Syst 2013; 16:219-26. [DOI: 10.1177/1470320313489059] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2013] [Accepted: 03/16/2013] [Indexed: 11/17/2022] Open
Affiliation(s)
- Gwan Gyu Song
- Division of Rheumatology, Department of Internal Medicine, Korea University College of Medicine, Korea
| | - Jae-Hoon Kim
- Division of Rheumatology, Department of Internal Medicine, Korea University College of Medicine, Korea
| | - Young Ho Lee
- Division of Rheumatology, Department of Internal Medicine, Korea University College of Medicine, Korea
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Zajc Petranović M, Skarić-Jurić T, Smolej Narančić N, Tomas Z, Krajačić P, Miličić J, Barbalić M, Tomek-Roksandić S. Angiotensin-converting enzyme deletion allele is beneficial for the longevity of Europeans. AGE (DORDRECHT, NETHERLANDS) 2012; 34:583-595. [PMID: 21614448 PMCID: PMC3337925 DOI: 10.1007/s11357-011-9270-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2011] [Accepted: 05/09/2011] [Indexed: 05/30/2023]
Abstract
The human angiotensin converting enzyme (ACE) gene is one of the most investigated candidate genes for cardiovascular diseases (CVD), but the understanding of its role among the elderly is vague. Therefore, this study focuses at: (a) testing the association of ACE polymorphism with CVD risk factors among the elderly, and (b) detecting the possible unequal distribution of ACE genotypes between senescent and younger segments of the European populations. The association of ACE I/D polymorphism with CVD health status [hypertension (HT), obesity, dislypidemia] in 301 very old subjects (88.2 ± 5 years; F/M = 221/80) was tested by means of logistic regression analysis. The meta-analysis of D allele frequency in general vs. elderly (80+ years) groups was conducted using all publicly available data for European populations comprising both age cohorts. Multiple multinomial logistic regression revealed that within this elderly sample, age (younger olds, 80-90 years), female sex (OR = 3.13, 95% CI = 1.59-6.19), and elevated triglycerides (OR = 2.53, 95% CI = 1.29-4.95) were positively associated with HT, while ACE polymorphism was not. It was also established that the DD genotype was twice as high in 80+ cohort compared to general population of Croatia (p < 0.00001). This trend was confirmed by the meta-analysis that showed higher D allele frequencies in olds from nine of ten considered European populations (OR = 1.19, 95% CI = 1.08-1.31). The data in elderly cohort do not confirm previously reported role of ACE DD genotype to the development of HT. Moreover, meta-analysis indicated that ACE D allele has some selective advantage that contributes to longevity in majority of European populations.
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Markers of inflammation in sarcoidosis: blood, urine, BAL, sputum, and exhaled gas. Clin Chest Med 2008; 29:445-58, viii. [PMID: 18539237 DOI: 10.1016/j.ccm.2008.03.004] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Sarcoidosis is characterized by intense inflammation at the different sites of localization. Many different mediators, such as cytokines, chemokines, and other proteins with various functions, that participate in its complex pathogenesis have been proposed as markers of inflammation. This article examines the principal literature on these different markers analyzed in serum, bronchoalveolar lavage, expired breath, and urine. After many years of research, no single marker sufficiently sensitive and specific for diagnosis of sarcoidosis has yet been found. Greater correlation with clinical parameters is needed and proper validation.
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Steele MP, Brown KK. Genetic predisposition to respiratory diseases: infiltrative lung diseases. Respiration 2008; 74:601-8. [PMID: 18037811 DOI: 10.1159/000110204] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
The availability of high-throughput genotyping and large collaborative clinical networks creating well-characterized patient populations with DNA repositories has facilitated genome-wide scans and candidate gene studies to identify susceptibility alleles for the development of interstitial lung disease. The association of pulmonary fibrosis with rare inherited disorders, and the variable susceptibility of inbred mouse strains to this disease indicate that pulmonary fibrosis is determined by genetic factors. Sarcoidosis represents a complex disease with racial and ethnic differences in disease prevalence, and evidence of familial clustering. Familial aggregation of sarcoidosis from 'A Case-Control Etiologic Study of Sarcoidosis' (ACCESS) reveals a familial odds ratio (OR) of sarcoidosis of 5.8 (95% CI 2.1-15.9) for sibs and 3.8 (95% CI 1.2-11.3) for parents. Several HLA class II alleles have been associated with either increased or decreased risk of sarcoidosis, and results vary depending on study populations of different ethnicity. Genome-wide screening has conclusively identified linkage to chromosome 5q11and the development of sarcoidosis, and HLA genes and BTNL2 are susceptibility genes located in this region. Familial aggregation of idiopathic interstitial pneumonia (IIP) has been established by several groups, and a large US-based study suggests autosomal dominant inheritance with reduced penetrance; furthermore, cigarette smoking was associated with affection status among siblings (OR = 3.6, 95% CI 1.3-9.8, p = 0.01). Families demonstrate more than one type of IIP, suggesting various subtypes of IIP may share a common pathogenesis. Genome-wide linkage scans in familial interstitial pneumonia demonstrate linkage to chromosomes 4, 5 and 11. Candidate gene studies indicate that surfactant protein C and telomerase are susceptibility genes for the development of pulmonary fibrosis. Future challenges include determining how multiple susceptibility alleles interact with each other and environmental factors resulting in disease risk and multiple phenotypes, and determining the mechanism of action and cellular pathways involving susceptibility alleles. Further insight into these areas may lead to new therapeutic interventions.
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Affiliation(s)
- Mark P Steele
- Division of Pulmonary, Allergy, and Critical Care Medicine, Duke University Medical Center, Durham, NC 27710, USA.
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Angiotensin-converting enzyme insertion/deletion polymorphism is not associated with susceptibility and outcome in sepsis and acute respiratory distress syndrome. Intensive Care Med 2007; 34:488-95. [PMID: 18060663 DOI: 10.1007/s00134-007-0937-z] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2007] [Accepted: 09/17/2007] [Indexed: 01/31/2023]
Abstract
OBJECTIVE The insertion/deletion (I/D) of a 289 base pair Alu repeat sequence polymorphism in the angiotensin-converting enzyme gene (ACE) has been shown to predict susceptibility and outcome in the acute respiratory distress syndrome (ARDS). We hypothesized that the I/D polymorphism also confers susceptibility to sepsis and is a predisposing factor for morbidity and mortality of patients with severe sepsis. DESIGN AND SETTING Case-control study including 212 consecutive patients fulfilling criteria for severe sepsis admitted to a Spanish network of postsurgical and critical care units, and 364 population-based controls. Susceptibility to severe sepsis was evaluated as primary outcome; mortality in severe sepsis, susceptibility to sepsis-induced ARDS, and mortality in sepsis-induced ARDS were examined as secondary outcomes. An additive model of inheritance in which patients were classified into three genotype groups (II, ID, and DD) was used for association testing. MEASUREMENTS AND RESULTS Genotype and allele frequencies of I/D were distributed similarly in all septic, ARDS, and non-ARDS patients and in population-based controls. ACE I/D polymorphism was not associated with severe sepsis susceptibility or mortality. The ACE I/D polymorphism was associated neither with sepsis-induced ARDS susceptibility (p=0.895) or mortality (p=0.950). These results remained nonsignificant when adjusted for other covariates using multiple logistic regression analysis or Kaplan-Meier estimates of 28-day survival. CONCLUSIONS Our data do not support an association of the ACE gene I/D polymorphism with susceptibility or mortality in severe sepsis or with sepsis-induced ARDS in Spanish patients.
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Medica I, Kastrin A, Maver A, Peterlin B. Role of genetic polymorphisms in ACE and TNF-alpha gene in sarcoidosis: a meta-analysis. J Hum Genet 2007; 52:836-847. [PMID: 17768594 DOI: 10.1007/s10038-007-0185-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2007] [Accepted: 07/30/2007] [Indexed: 10/22/2022]
Abstract
A great number of association studies have been performed to identify the genes involved in the etiology and prognosis of sarcoidosis. We performed a systematic review of case-control studies through the PubMed database and evaluated them for a possible inclusion into a meta-analysis in order to assess whether the reported genetic polymorphisms are the risk factors of sarcoidosis. Case-control studies with clear diagnostic criteria and interventions were included. Only investigations of a single polymorphism/gene involvement in sarcoidosis reported more than five times were selected. Aggregating data from 12 studies on ID/ACE polymorphisms, the odds ratio (OR) for sarcoidosis, if the polymorphism was considered under the dominant genetic model, was not significantly increased: 1.19 (95% CI 0.98-1.43); OR under the recessive model was 1.20 (95% CI 0.98-1.46). In seven case-control studies on -308/TNF-alpha polymorphism, the OR for sarcoidosis if the polymorphism considered under the dominant genetic model was significantly increased at 1.47 (95% CI 1.03-2.08); the OR under the recessive model was 1.39 (95% CI 0.67-2.90). In conclusion, the results showed that the TNF-alpha genotype could be a significant risk factor for sarcoidosis, whereas the risk of sarcoidosis due to the ACE genotype was not substantially elevated.
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Affiliation(s)
- Igor Medica
- Division of Medical Genetics, Department of Obstetrics and Gynecology, University Medical Centre Ljubljana, Slovenia
| | - Andrej Kastrin
- Division of Medical Genetics, Department of Obstetrics and Gynecology, University Medical Centre Ljubljana, Slovenia
| | - Ales Maver
- Division of Medical Genetics, Department of Obstetrics and Gynecology, University Medical Centre Ljubljana, Slovenia
| | - Borut Peterlin
- Division of Medical Genetics, Department of Obstetrics and Gynecology, University Medical Centre Ljubljana, Slovenia.
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Kruit A, Grutters JC, Gerritsen WBM, Kos S, Wodzig WKWH, van den Bosch JMM, Ruven HJT. ACE I/D-corrected Z-scores to identify normal and elevated ACE activity in sarcoidosis. Respir Med 2006; 101:510-5. [PMID: 16901684 DOI: 10.1016/j.rmed.2006.06.025] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2006] [Revised: 06/24/2006] [Accepted: 06/29/2006] [Indexed: 10/24/2022]
Abstract
BACKGROUND The value of elevated serum angiotensin-converting enzyme (ACE) activity in the diagnosis and follow-up in sarcoidosis is a matter of ongoing debate. This may be at least related to the insertion (I)/deletion (D) polymorphism in the ACE gene (ACE I/D). ACE activity is influenced by the ACE I/D polymorphism. As a consequence, the use of one reference interval instead of three genotype-specific reference intervals for ACE activity may lead to a less precise interpretation of ACE activity. METHODS In order to assess whether determination of ACE activity indeed requires the ACE I/D genotype to be taken into account, we established ACE I/D-corrected reference intervals in healthy, Caucasian volunteers (n=200). In addition, ACE activities in ACE I/D genotyped patients suspected of or having sarcoidosis (n=129) were expressed as the Z-score related to ACE I/D-corrected reference intervals. RESULTS Comparison of the Z-score with ACE activity in which ACE I/D is ignored rendered 8.5% misclassification of 'elevated' versus 'normal' ACE or vice versa. CONCLUSIONS Our data demonstrate a convenient way to circumvent the use of three reference intervals by introducing a Z-score for ACE activity. It also illustrates the need to re-investigating the possible clinical value of serum ACE activity in sarcoidosis by considering ACE I/D.
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Affiliation(s)
- Adrian Kruit
- Heart Lung Centre Utrecht, St. Antonius Hospital, Department of Pulmonology, Koekoekslaan 1, 3435 CM, Nieuwegein, The Netherlands
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