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Chang DY, Lee J, Choi SW, Lee HJ, Kang H, Yeo SC, Joo YH, Cho HJ, Jeon SY, Kim RB, Kim SW. Interleukin-4 enzyme-linked immunospot assay may be useful for diagnosing sensitization to house dust mite. Int Forum Allergy Rhinol 2016; 6:1007-1012. [PMID: 27122253 DOI: 10.1002/alr.21786] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Revised: 02/18/2016] [Accepted: 03/08/2016] [Indexed: 11/12/2022]
Abstract
BACKGROUND The skin prick test (SPT) is considered a standard test for identification of allergens, but it has some limitations in clinical practice. The multiple allergen simultaneous test (MAST), which measures allergen-specific immunoglobulin E in patients' serum, is a widely used alternative test, but is limited by its relatively low sensitivity and specificity. As a novel diagnostic test to identify allergens, we investigated the sensitivity and specificity of an interleukin-4 (IL-4) enzyme-linked immunospot (ELISpot) assay for Dermatophagoides farinae (Der f) and Dermatophagoides pteronyssinus (Der p). METHODS Based on the symptoms and SPT results, 43 house dust mite (HDM) allergic rhinitis (AR) patients and 41 control subjects were included. Peripheral blood was drawn from each subject for IL-4 ELISpot assay and MAST. The receiver operating characteristic (ROC) curve analysis was conducted to determine the cutoff values. Sensitivity, specificity, and positive and neg predictive values were compared between the 2 tests. RESULTS The sensitivity, specificity, and areas under the ROC curve (AUCs) of the IL-4 ELISpot assay were 88.4%, 97.6%, and 0.939 for Der f, and 95.3%, 97.5%, and 0.971 for Der p, respectively. However, the sensitivity, specificity, and AUC of MAST were 76.7%, 73.2%, and 0.777 for Der f, and 69.8%, 75.6%, and 0.788 for Der p, respectively. CONCLUSION The IL-4 ELISpot assay showed higher sensitivity, specificity, and AUC than MAST, which indicates its clinical feasibility for diagnosing allergy for HDM. A further study is needed to determine the accuracy of the IL-4 ELISpot assay for other common allergens.
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Affiliation(s)
- Dong-Yeop Chang
- Institute of Health Sciences, Gyeongsang National University, Jinju, Republic of Korea.,Department of Otorhinolaryngology, Gyeongsang National University Hospital, Jinju, Republic of Korea
| | - Jino Lee
- Laboratory of Immunology and Infectious Diseases, Graduate School of Medical Science and Engineering, KAIST, Daejeon, Republic of Korea
| | - Sung-Won Choi
- Laboratory of Immunology and Infectious Diseases, Graduate School of Medical Science and Engineering, KAIST, Daejeon, Republic of Korea
| | - Hyeong Joo Lee
- Department of Otorhinolaryngology, Gyeongsang National University Hospital, Jinju, Republic of Korea
| | - Hyunmo Kang
- Department of Otorhinolaryngology, Gyeongsang National University Hospital, Jinju, Republic of Korea
| | - Seong Chul Yeo
- Department of Otorhinolaryngology, Gyeongsang National University Hospital, Jinju, Republic of Korea
| | - Yeon-Hee Joo
- Department of Otorhinolaryngology, Gyeongsang National University Hospital, Jinju, Republic of Korea
| | - Hyun-Jin Cho
- Institute of Health Sciences, Gyeongsang National University, Jinju, Republic of Korea.,Department of Otorhinolaryngology, Gyeongsang National University Hospital, Jinju, Republic of Korea
| | - Sea-Yuong Jeon
- Institute of Health Sciences, Gyeongsang National University, Jinju, Republic of Korea.,Department of Otorhinolaryngology, Gyeongsang National University Hospital, Jinju, Republic of Korea.,Department of Otorhinolaryngology, Gyeongsang National University School of Medicine, Jinju, Republic of Korea
| | - Rock Bum Kim
- Regional Cardiocerebrovascular Disease Center, Gyeongsang National University Hospital, Jinju, Republic of Korea
| | - Sang-Wook Kim
- Institute of Health Sciences, Gyeongsang National University, Jinju, Republic of Korea. .,Department of Otorhinolaryngology, Gyeongsang National University Hospital, Jinju, Republic of Korea. .,Department of Otorhinolaryngology, Gyeongsang National University School of Medicine, Jinju, Republic of Korea.
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Enumeration and characterization of human memory T cells by enzyme-linked immunospot assays. Clin Dev Immunol 2013; 2013:637649. [PMID: 24319467 PMCID: PMC3844203 DOI: 10.1155/2013/637649] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2013] [Accepted: 09/07/2013] [Indexed: 11/27/2022]
Abstract
The enzyme-linked immunospot (ELISPOT) assay has advanced into a useful and widely applicable tool for the evaluation of T-cell responses in both humans and animal models of diseases and/or vaccine candidates. Using synthetic peptides (either individually or as overlapping peptide mixtures) or whole antigens, total lymphocyte or isolated T-cell subset responses can be assessed either after short-term stimulation (standard ELISPOT) or after their expansion during a 10-day culture (cultured ELISPOT). Both assays detect different antigen-specific immune responses allowing the analysis of effector memory T cells and central memory T cells. This paper describes the principle of ELISPOT assays and discusses their application in the evaluation of immune correlates of clinical interest with a focus on the vaccine field.
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Smedman C, Gårdlund B, Nihlmark K, Gille-Johnson P, Andersson J, Paulie S. ELISpot analysis of LPS-stimulated leukocytes: Human granulocytes selectively secrete IL-8, MIP-1β and TNF-α. J Immunol Methods 2009; 346:1-8. [DOI: 10.1016/j.jim.2009.04.001] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2008] [Revised: 04/02/2009] [Accepted: 04/02/2009] [Indexed: 02/05/2023]
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