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Jung CG, Park HS. Emerging Hop Japanese Pollinosis in Asia. Curr Protein Pept Sci 2022; 23:714-720. [PMID: 35658882 DOI: 10.2174/1389203723666220603155320] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 04/22/2022] [Accepted: 04/22/2022] [Indexed: 12/31/2022]
Abstract
Hop Japanese (Hop J) pollen has been considered one of the major causative pollen allergens in Far East Asia in the autumn season. The sensitization rate, pollen count, and allergenicity of Hop J pollens are increasing in this region because of increased air pollution and global warming. However, commercial skin test agents for the diagnosis and allergen extracts for the allergen immunotherapy are not available. This review summarizes recent data on clinical impact of Hop J pollinosis in order to facilitate the development of diagnostic and therapeutic agents for this region.
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Affiliation(s)
- Chang-Gyu Jung
- Department of Allergy and Clinical Immunology, Keimyung University School of Medicine, Daegu, Korea
| | - Hae-Sim Park
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea
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2
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Heravi MM, Mohammadi L. Application of Pauson-Khand reaction in the total synthesis of terpenes. RSC Adv 2021; 11:38325-38373. [PMID: 35493249 PMCID: PMC9044263 DOI: 10.1039/d1ra05673e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Accepted: 10/28/2021] [Indexed: 12/28/2022] Open
Abstract
The Pauson-Khand reaction (PKR) is a formal [2 + 2 + 1] cycloaddition involving an alkyne, an alkene and carbon monoxide mediated by a hexacarbonyldicobaltalkyne complex to yield cyclopentenones in a single step. This versatile reaction has become a method of choice for the synthesis of cyclopentenone and its derivatives since its discovery in the early seventies. The aim of this review is to point out the applications of PKR in the total synthesis of terpenes.
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Affiliation(s)
- Majid M Heravi
- Department of Chemistry, School of Physics and Chemistry, Alzahra University Vanak Tehran Iran +98 2188041344 +98 9121329147
| | - Leila Mohammadi
- Department of Chemistry, School of Physics and Chemistry, Alzahra University Vanak Tehran Iran +98 2188041344 +98 9121329147
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Jeong KY, Park JW. Allergens of Regional Importance in Korea. FRONTIERS IN ALLERGY 2021; 2:652275. [PMID: 35386990 PMCID: PMC8974691 DOI: 10.3389/falgy.2021.652275] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 02/17/2021] [Indexed: 11/13/2022] Open
Abstract
Allergen repertoire should reflect the region's climate, flora, and dining culture to allow for a better diagnosis. In Korea, tree pollens of oak and birch in the spring in conjunction with weed pollens of mugwort, ragweed, and Japanese hop are the main causes of seasonal allergic rhinitis. More specifically, the sawtooth oak in Korea and the Japanese hop in East Asia make a difference from western countries. Among food allergens, the sensitization to silkworm pupa and buckwheat is also common in Korean patients. Honey bee venom due to apitherapy in traditional medicine and Asian needle ant, Pachycondyla chinensis, are important causes of anaphylaxis in Korea. Climate change, frequent overseas traveling, and international product exchanges make situations more complicated. Ragweed, for example, was not native to Korea, but invaded the country in the early 1950s. Recently, Japanese hop and Asian needle ants have been recognized as important invasive ecosystem disturbing species in western countries. However, the molecular properties of the component allergens from these unique culprit allergens have been poorly characterized. The present review summarizes the molecular studies on the allergens of regional importance in Korea.
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Kim JT, Kim H, Kim SH, Kim DJ, Shin Y, Kim JD, Song H, Jang SW, Lee DC, Park KH, Lee JH, Jeong KY, Park JW. Comparison of Allergenic Properties among Commercially Available House Dust Mite Allergen Extracts in Korea. Yonsei Med J 2021; 62:86-90. [PMID: 33381938 PMCID: PMC7820445 DOI: 10.3349/ymj.2021.62.1.86] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 09/16/2020] [Accepted: 10/06/2020] [Indexed: 12/04/2022] Open
Abstract
Precise allergy diagnosis and effective allergen specific immunotherapy are largely dependent on the quality of allergen extract. A new extract of Dermatophagoides farinae was commercially developed by Prolagen. The allergenic properties of the new extract were compared with those of other commercial products. The allergenic properties of the new extract were compared according to protein concentration, protein profiles, major allergen (Der f 1) contents, and allergenic potency to those for three commercially available extracts imported in Korea (Jubilant HollisterStier Allergy, Lofarma S.p.A., and Stallergenes Greer). Protein concentrations varied up to 2.62-fold (0.404 to 1.057 mg/mL), and Der f 1 contents varied up to 11.3-fold (3.597 to 40.688 μg/mL). Protein profiles of the extracts showed no major discrepancies, although there were some differences in SDS-PAGE band intensities, reflecting protein concentrations. Allergen potency ranged from 37038 to 60491 PAU/mL. The Prolagen product was highest in terms of protein concentration and allergen potency. The Lofarma product displayed Der f 1 content similar to that in Prolagen (19.4 μg/mg vs. 19.3 μg/mg). Endotoxin levels varied 8.9-fold (1020 to 8985 EU/mL). The newly developed house dust mite extract showed equal or better allergenic properties than available commercial extracts. This new product may be useful for better diagnostics and allergen-specific immunotherapeutics.
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Affiliation(s)
- Ji Tae Kim
- Prolagen, Seoul, Korea
- Department of Biomedical Technology, Kangwon National University, Chuncheon, Korea
| | | | | | | | | | | | - Hangyeol Song
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Seok Woo Jang
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
- Brain Korea 21 PLUS Project for Medicine Science, Yonsei University, Seoul, Korea
| | - Deug Chan Lee
- Department of Biomedical Technology, Kangwon National University, Chuncheon, Korea
| | - Kyung Hee Park
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Hyun Lee
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Kyoung Yong Jeong
- Prolagen, Seoul, Korea
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea.
| | - Jung Won Park
- Prolagen, Seoul, Korea
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea.
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Jeong KY, Yuk JE, Lee J, Jang SW, Park KH, Lee JH, Park JW. Stability of extracts from pollens of allergenic importance in Korea. Korean J Intern Med 2020; 35:222-230. [PMID: 31534112 PMCID: PMC6960046 DOI: 10.3904/kjim.2018.211] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 09/28/2018] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND/AIMS Accurate diagnosis and the effects of allergen-specific immunotherapy for pollinosis are greatly dependent on the potency and stability of the extract. This study aimed to examine factors, such as temperature and storage buffer composition, that affect the stability of allergen extracts from pollens of allergenic importance in Korea. METHODS We prepared four pollen allergen extracts from ragweed, mugwort, Japanese hop, and sawtooth oak, which are the most important causes of seasonal rhinitis in Korea. Changes of protein and major allergen concentration were measured over 1 year by Bradford assay, two-site enzyme-linked immunosorbent assay, and sodium dodecyl sulfate-polyacrylamide gel electrophoresis after reconstitution of the lyophilized allergen extract in various buffers and stored at room temperature (RT, 18°C to 26°C) or refrigerated (4°C). RESULTS More than 90% of the original protein concentration in all four extracts examined was detected over 1 year when 50% glycerol was added and refrigerated, whereas 57.9% to 94.5% remained in the extracts at RT. The addition of 50% glycerol to the storage buffer was found to prevent protein degradation at RT. Amb a 1, a major allergen of ragweed, was almost completely degraded in 9 weeks at RT when reconstituted in a buffer without 50% glycerol. However, 55.6% to 92.8% of Amb a 1 content was detected after 1 year of incubation at 4°C in all buffer conditions except 0.3% phenol. CONCLUSION Addition of 50% glycerol as well as refrigeration was found to be important in increasing the shelf-life of allergen extracts from pollens of allergenic importance.
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Affiliation(s)
- Kyoung Yong Jeong
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Ji Eun Yuk
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Jongsun Lee
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Seok Woo Jang
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Kyung Hee Park
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Jae-Hyun Lee
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Jung-Won Park
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
- Correspondence to: Jung-Won Park, M.D. Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodamun-gu, Seoul 03722, Korea Tel: +82-2-2228-1961 Fax: +82-2-362-8647 E-mail:
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Kim SR, Park KH, Lee JH, Kim BJ, Hwang JH, Lim KJ, Park JW. Validation of PROTIA™ Allergy-Q 64 Atopy® as a Specific IgE Measurement Assay for 10 Major Allergen Components. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2019; 11:422-432. [PMID: 30912330 PMCID: PMC6439187 DOI: 10.4168/aair.2019.11.3.422] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 01/20/2019] [Accepted: 01/21/2019] [Indexed: 01/25/2023]
Abstract
PURPOSE Component-resolved diagnostics (CRD) is expected to provide additional diagnostic information in allergic patients. PROTIA™ Allergy-Q 64 Atopy®, a recently developed CRD-based multiplex specific immunoglobulin E (sIgE) assay, can quantitatively measure sIgE to major allergen components. METHODS The sIgE detection by PROTIA™ Allergy-Q 64 Atopy® and ImmunoCAP® assays was compared using the sera of 125 Korean allergic patients. Group 1 and 2 allergens of house dust mites (HDMs; Dermatophagoides farinae (Der f) 1 and Der f 2 in PROTIA™ Allergy-Q 64 Atopy®, Dermatophagoides pteronyssinus (Der p) 1 and Der p 2 in ImmunoCAP®), Bet v 1, Fel d 1, Que a 1, ω-5 gliadin, α-lactalbumin, β-lactoglobulin, casein and α-Gal were measured by both assays. RESULTS Comparing the results from the 2 assays, the agreement rate for all the 10 allergens was > 88% (group 1 HDM allergen, 100%; group 2 HDM allergen, 94.6%; Bet v 1, 97.4%; Fel d 1, 90.5%; Que a 1, 89.2%; α-lactalbumin, 96%; β-lactoglobulin, 88%; casein, 88%; ω-5 gliadin, 96%; α-Gal, 100%). Correlation analysis indicated that, all the 10 allergen sIgEs showed more than moderate positive correlation (Pearson correlation coefficients > 0.640). Additionally, intra-class comparison showed more than high correlation for all the 10 allergens (Spearman's rank correlation coefficients > 0.743). CONCLUSIONS PROTIA™ Allergy-Q 64 Atopy® is reliable and comparable to the ImmunoCAP® assay for component-resolved diagnosis.
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Affiliation(s)
- Sung Ryeol Kim
- Division of Allergy and Immunology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Kyung Hee Park
- Division of Allergy and Immunology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Hyun Lee
- Division of Allergy and Immunology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | | | | | | | - Jung Won Park
- Division of Allergy and Immunology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea.
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Jeong KY, Lee J, Mistrello G, Park KH, Park JW. IgE Cross-Reactivity between Humulus japonicus and Humulus lupulus. Yonsei Med J 2018; 59:852-856. [PMID: 30091318 PMCID: PMC6082984 DOI: 10.3349/ymj.2018.59.7.852] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 07/09/2018] [Accepted: 07/11/2018] [Indexed: 11/27/2022] Open
Abstract
PURPOSE Japanese hop (Humulus japonicus) is a major cause of weed pollinosis in East Asia. However, supplies of commercial allergen extract from this plant have not met clinical demand. The pollen of common hop (Humulus lupulus), a closely related species, may provide an alternative source if there is strong IgE cross-reactivity between these two species. We aimed to compare the IgE cross-reactivity and allergenicity of common hop and Japanese hop pollen. MATERIALS AND METHODS Cross-reactivity was measured by inhibition ELISA. One- and two-dimensional (2D) gel analyses combined with IgE immunoblotting and mass spectrometry [liquid chromatography coupled to electrospray ionization tandem mass spectrometry (LC-ESI-MS/MS)] were performed to detect IgE-reactive pollen components. RESULTS Up to 16.7% of IgE reactivity to Japanese hop was inhibited by common hop. A 12-kDa protein component of Japanese hop pollen that showed the most potent IgE reaction was absent from common hop. Six IgE-reactive components from Japanese hop were detected by 2D gel electrophoresis and LC-ESI-MS/MS, but showed low Mascot scores, preventing positive identification. CONCLUSION No significant IgE cross-reaction was observed for Japanese and common hop pollen allergens. Development of allergy diagnostic and immunotherapeutic reagents based on Japanese hop pollen are urgently needed.
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Affiliation(s)
- Kyoung Yong Jeong
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea.
| | - Jongsun Lee
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Gianni Mistrello
- Research and Development Department, Lofarma S.p.A, Viale Cassala, Milan, Italy
| | - Kyung Hee Park
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Jung Won Park
- Department of Internal Medicine, Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea.
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Lee SC, Sim DW, Lee J, Jeong KY, Park KH, Lee JH, Kim JD, Park JW. Comparison between Newly Developed and Commercial Inhalant Skin Prick Test Reagents Using In Vivo and In Vitro Methods. J Korean Med Sci 2018; 33:e101. [PMID: 29573248 PMCID: PMC5865053 DOI: 10.3346/jkms.2018.33.e101] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 01/19/2018] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND We developed skin prick test (SPT) reagents for common inhalant allergens that reflected the real exposure in Korea. The study aim was to evaluate diagnostic usefulness and allergen potency of our inhalant SPT reagents in comparison with commercial products. METHODS We produced eight common inhalant allergen SPT reagents using total extract (Prolagen): Dermatophagoides farinae, Dermatophagoides pteronyssinus, oak, ragweed, mugwort, Humulus japonicus pollens, as well as cat and dog allergens. We compared the newly developed reagents with three commercially available SPT reagents (Allergopharma, Hollister-Stier, Lofarma). We measured total protein concentrations, sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE), major allergen concentration, and biological allergen potencies measured by immunoglobulin E (IgE) immunoblotting and ImmunoCAP inhibition test. RESULTS Diagnostic values of these SPT reagents were expressed as positivity rate and concordance rate of the results from ImmunoCAP allergen-specific IgE test in 94 allergic patients. In vitro analysis showed marked differences in protein concentrations, SDS-PAGE features, major allergen concentrations, and biological allergen potencies of four different SPT reagents. In vivo analysis showed that positive rates and concordance rates of Prolagen® SPT reagents were similar compared to the three commercial SPT reagents. CONCLUSION The newly developed Prolagen® inhalant SPT reagents are not inferior to the commercially available SPT reagents in allergy diagnosis.
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Affiliation(s)
- Sang Chul Lee
- Division of Allergy and Immunology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Da Woon Sim
- Division of Allergy, Department of Internal Medicine, Chonnam National University Medical School, Gwangju, Korea
| | - Jongsun Lee
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Kyoung Yong Jeong
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Kyung Hee Park
- Division of Allergy and Immunology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Hyun Lee
- Division of Allergy and Immunology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | | | - Jung Won Park
- Division of Allergy and Immunology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
- Prolagen, Seoul, Korea.
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Affiliation(s)
- Jung-Won Park
- Department of Internal Medicine and Allergy Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Kyoung Yong Jeong
- Department of Internal Medicine and Allergy Institute, Yonsei University College of Medicine, Seoul, Korea
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Park KH, Lee J, Lee SC, Son YW, Sim DW, Lee JH, Park JW. Comparison of the ImmunoCAP Assay and AdvanSure™ AlloScreen Advanced Multiplex Specific IgE Detection Assay. Yonsei Med J 2017; 58:786-792. [PMID: 28540992 PMCID: PMC5447110 DOI: 10.3349/ymj.2017.58.4.786] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 04/07/2017] [Accepted: 04/07/2017] [Indexed: 11/27/2022] Open
Abstract
PURPOSE The AdvanSure™ AlloScreen assay is an advanced multiplex test that allows for simultaneous detection of specific IgE (sIgE) against multiple allergens. For precise identification of causative allergens in allergic patients, we compared this new multiplex sIgE assay with the ImmunoCAP assay, which is currently the gold-standard method for sIgE detection. MATERIALS AND METHODS Serum samples from 218 Korean allergic disease patients were used to compare the ImmunoCAP and AlloScreen assays with respect to the following 13 allergens: Dermatophagoides pteronyssinus, Dermatophagoides farinae, cat and dog dander, Alternaria, birch, oak, ragweed, mugwort, rye grass, and food allergens (egg white, cow's milk, peanuts). RESULTS A total of 957 paired tests using the 13 allergens were compared. The total agreement ratio ranged from 0.74 (oak) to 0.97 (Alternaria). With respect to class association analyses, the gamma index ranged from 0.819 (rye grass) to 0.990 (Alternaria). The intra-class correlation coefficients for house dust mites, cat and dog dander, Alternaria, birch, ragweed, egg white, cow's milk, and peanut sIgE titers were >0.8. CONCLUSION The AlloScreen and ImmunoCAP assays exhibited similar diagnostic performance. However, due to methodological differences between the two systems, careful interpretation of their results is needed in clinical applications.
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Affiliation(s)
- Kyung Hee Park
- Division of Allergy and Immunology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Jongsun Lee
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Sang Chul Lee
- Division of Allergy and Immunology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Young Woong Son
- Division of Allergy and Immunology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Da Woon Sim
- Division of Allergy and Immunology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Hyun Lee
- Division of Allergy and Immunology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea
| | - Jung Won Park
- Division of Allergy and Immunology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea.
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Jung CG, Yang EM, Lee JH, Kim HM, Park HS. Evaluation of the allergenic relationship between Humulus japonicusand Humulus lupuluspollen allergens. ALLERGY ASTHMA & RESPIRATORY DISEASE 2017. [DOI: 10.4168/aard.2017.5.4.217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Chang-Gyu Jung
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea
| | - Eun-Mi Yang
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea
| | - Ji-Ho Lee
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea
| | - Hyun Mi Kim
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea
| | - Hae-Sim Park
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea
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