A low-frequency IL4R locus variant in Japanese patients with intravenous immunoglobulin therapy-unresponsive Kawasaki disease
Abstract Background Kawasaki disease (KD) is a systemic vasculitis which may be associated with coronary artery aneurysms. A notable risk factor for the development of coronary artery aneurysms is resistance to intravenous immunoglobulin (IVIG) therapy, which comprises standard treatment for the acu...
Ausführliche Beschreibung
Autor*in: |
Yuji Amano [verfasserIn] Yohei Akazawa [verfasserIn] Jun Yasuda [verfasserIn] Kazuhisa Yoshino [verfasserIn] Katsuhiko Kojima [verfasserIn] Norimoto Kobayashi [verfasserIn] Satoshi Matsuzaki [verfasserIn] Masao Nagasaki [verfasserIn] Yosuke Kawai [verfasserIn] Naoko Minegishi [verfasserIn] Noriko Ishida [verfasserIn] Noriko Motoki [verfasserIn] Akira Hachiya [verfasserIn] Yozo Nakazawa [verfasserIn] Masayuki Yamamoto [verfasserIn] Kenichi Koike [verfasserIn] Toshikazu Takeshita [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
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2019 |
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Übergeordnetes Werk: |
In: Pediatric Rheumatology Online Journal - BMC, 2007, 17(2019), 1, Seite 11 |
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Übergeordnetes Werk: |
volume:17 ; year:2019 ; number:1 ; pages:11 |
Links: |
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DOI / URN: |
10.1186/s12969-019-0337-2 |
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Katalog-ID: |
DOAJ074708740 |
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520 | |a Abstract Background Kawasaki disease (KD) is a systemic vasculitis which may be associated with coronary artery aneurysms. A notable risk factor for the development of coronary artery aneurysms is resistance to intravenous immunoglobulin (IVIG) therapy, which comprises standard treatment for the acute phase of KD. The cause of IVIG resistance in KD is largely unknown; however, the contribution of genetic factors, especially variants in immune-related genes, has been suspected. Methods To explore genetic variants related to IVIG-unresponsiveness, we designated KD patients who did not respond to both first and second courses of IVIG therapy as IVIG-unresponsive patients. Using genomic DNA from 30 IVIG-unresponsive KD patients, we performed pooled genome sequencing targeting 39 immune-related cytokine receptor genes. Results The single nucleotide variant (SNV), rs563535954 (located in the IL4R locus), was concentrated in IVIG-unresponsive KD patients. Individual genotyping showed that the minor allele of rs563535954 was present in 4/33 patients with IVIG-unresponsive KD, compared with 20/1063 individuals in the Japanese genome variation database (odds ratio = 7.19, 95% confidence interval 2.43–21.47). Furthermore, the minor allele of rs563535954 was absent in 42 KD patients who responded to IVIG treatment (P = 0.0337), indicating that a low-frequency variant, rs563535954, is associated with IVIG-unresponsiveness in KD patients. Although rs563535954 is located in the 3′-untranslated region of IL4R, there was no alternation in IL4R expression associated with the mior allele of rs563535954. However, IVIG-unresponsive patients that exhibited the minor allele of rs563535954 tended to be classified into the low-risk group (based on previously reported risk scores) for prediction of IVIG-resistance. Therefore, IVIG-unresponsiveness associated with the minor allele of rs563535954 might differ from IVIG-unresponsiveness associated with previous risk factors used to evaluate IVIG-unresponsiveness in KD. Conclusion These findings suggest that the SNV rs563535954 could serve as a predictive indicator of IVIG-unresponsiveness, thereby improving the sensitivity of risk scoring systems, and may aid in prevention of coronary artery lesions in KD patients. | ||
650 | 4 | |a Kawasaki disease | |
650 | 4 | |a Interleukin-4 receptor | |
650 | 4 | |a IVIG-resistance | |
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653 | 0 | |a Pediatrics | |
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700 | 0 | |a Yohei Akazawa |e verfasserin |4 aut | |
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700 | 0 | |a Kazuhisa Yoshino |e verfasserin |4 aut | |
700 | 0 | |a Katsuhiko Kojima |e verfasserin |4 aut | |
700 | 0 | |a Norimoto Kobayashi |e verfasserin |4 aut | |
700 | 0 | |a Satoshi Matsuzaki |e verfasserin |4 aut | |
700 | 0 | |a Masao Nagasaki |e verfasserin |4 aut | |
700 | 0 | |a Yosuke Kawai |e verfasserin |4 aut | |
700 | 0 | |a Naoko Minegishi |e verfasserin |4 aut | |
700 | 0 | |a Noriko Ishida |e verfasserin |4 aut | |
700 | 0 | |a Noriko Motoki |e verfasserin |4 aut | |
700 | 0 | |a Akira Hachiya |e verfasserin |4 aut | |
700 | 0 | |a Yozo Nakazawa |e verfasserin |4 aut | |
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700 | 0 | |a Kenichi Koike |e verfasserin |4 aut | |
700 | 0 | |a Toshikazu Takeshita |e verfasserin |4 aut | |
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10.1186/s12969-019-0337-2 doi (DE-627)DOAJ074708740 (DE-599)DOAJc81b1f5eef1c496ea95f66d4d530fd2b DE-627 ger DE-627 rakwb eng RJ1-570 RC925-935 Yuji Amano verfasserin aut A low-frequency IL4R locus variant in Japanese patients with intravenous immunoglobulin therapy-unresponsive Kawasaki disease 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Background Kawasaki disease (KD) is a systemic vasculitis which may be associated with coronary artery aneurysms. A notable risk factor for the development of coronary artery aneurysms is resistance to intravenous immunoglobulin (IVIG) therapy, which comprises standard treatment for the acute phase of KD. The cause of IVIG resistance in KD is largely unknown; however, the contribution of genetic factors, especially variants in immune-related genes, has been suspected. Methods To explore genetic variants related to IVIG-unresponsiveness, we designated KD patients who did not respond to both first and second courses of IVIG therapy as IVIG-unresponsive patients. Using genomic DNA from 30 IVIG-unresponsive KD patients, we performed pooled genome sequencing targeting 39 immune-related cytokine receptor genes. Results The single nucleotide variant (SNV), rs563535954 (located in the IL4R locus), was concentrated in IVIG-unresponsive KD patients. Individual genotyping showed that the minor allele of rs563535954 was present in 4/33 patients with IVIG-unresponsive KD, compared with 20/1063 individuals in the Japanese genome variation database (odds ratio = 7.19, 95% confidence interval 2.43–21.47). Furthermore, the minor allele of rs563535954 was absent in 42 KD patients who responded to IVIG treatment (P = 0.0337), indicating that a low-frequency variant, rs563535954, is associated with IVIG-unresponsiveness in KD patients. Although rs563535954 is located in the 3′-untranslated region of IL4R, there was no alternation in IL4R expression associated with the mior allele of rs563535954. However, IVIG-unresponsive patients that exhibited the minor allele of rs563535954 tended to be classified into the low-risk group (based on previously reported risk scores) for prediction of IVIG-resistance. Therefore, IVIG-unresponsiveness associated with the minor allele of rs563535954 might differ from IVIG-unresponsiveness associated with previous risk factors used to evaluate IVIG-unresponsiveness in KD. Conclusion These findings suggest that the SNV rs563535954 could serve as a predictive indicator of IVIG-unresponsiveness, thereby improving the sensitivity of risk scoring systems, and may aid in prevention of coronary artery lesions in KD patients. Kawasaki disease Interleukin-4 receptor IVIG-resistance Single nucleotide variant Pediatrics Diseases of the musculoskeletal system Yohei Akazawa verfasserin aut Jun Yasuda verfasserin aut Kazuhisa Yoshino verfasserin aut Katsuhiko Kojima verfasserin aut Norimoto Kobayashi verfasserin aut Satoshi Matsuzaki verfasserin aut Masao Nagasaki verfasserin aut Yosuke Kawai verfasserin aut Naoko Minegishi verfasserin aut Noriko Ishida verfasserin aut Noriko Motoki verfasserin aut Akira Hachiya verfasserin aut Yozo Nakazawa verfasserin aut Masayuki Yamamoto verfasserin aut Kenichi Koike verfasserin aut Toshikazu Takeshita verfasserin aut In Pediatric Rheumatology Online Journal BMC, 2007 17(2019), 1, Seite 11 (DE-627)527833746 (DE-600)2279468-2 15460096 nnns volume:17 year:2019 number:1 pages:11 https://doi.org/10.1186/s12969-019-0337-2 kostenfrei https://doaj.org/article/c81b1f5eef1c496ea95f66d4d530fd2b kostenfrei http://link.springer.com/article/10.1186/s12969-019-0337-2 kostenfrei https://doaj.org/toc/1546-0096 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2019 1 11 |
spelling |
10.1186/s12969-019-0337-2 doi (DE-627)DOAJ074708740 (DE-599)DOAJc81b1f5eef1c496ea95f66d4d530fd2b DE-627 ger DE-627 rakwb eng RJ1-570 RC925-935 Yuji Amano verfasserin aut A low-frequency IL4R locus variant in Japanese patients with intravenous immunoglobulin therapy-unresponsive Kawasaki disease 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Background Kawasaki disease (KD) is a systemic vasculitis which may be associated with coronary artery aneurysms. A notable risk factor for the development of coronary artery aneurysms is resistance to intravenous immunoglobulin (IVIG) therapy, which comprises standard treatment for the acute phase of KD. The cause of IVIG resistance in KD is largely unknown; however, the contribution of genetic factors, especially variants in immune-related genes, has been suspected. Methods To explore genetic variants related to IVIG-unresponsiveness, we designated KD patients who did not respond to both first and second courses of IVIG therapy as IVIG-unresponsive patients. Using genomic DNA from 30 IVIG-unresponsive KD patients, we performed pooled genome sequencing targeting 39 immune-related cytokine receptor genes. Results The single nucleotide variant (SNV), rs563535954 (located in the IL4R locus), was concentrated in IVIG-unresponsive KD patients. Individual genotyping showed that the minor allele of rs563535954 was present in 4/33 patients with IVIG-unresponsive KD, compared with 20/1063 individuals in the Japanese genome variation database (odds ratio = 7.19, 95% confidence interval 2.43–21.47). Furthermore, the minor allele of rs563535954 was absent in 42 KD patients who responded to IVIG treatment (P = 0.0337), indicating that a low-frequency variant, rs563535954, is associated with IVIG-unresponsiveness in KD patients. Although rs563535954 is located in the 3′-untranslated region of IL4R, there was no alternation in IL4R expression associated with the mior allele of rs563535954. However, IVIG-unresponsive patients that exhibited the minor allele of rs563535954 tended to be classified into the low-risk group (based on previously reported risk scores) for prediction of IVIG-resistance. Therefore, IVIG-unresponsiveness associated with the minor allele of rs563535954 might differ from IVIG-unresponsiveness associated with previous risk factors used to evaluate IVIG-unresponsiveness in KD. Conclusion These findings suggest that the SNV rs563535954 could serve as a predictive indicator of IVIG-unresponsiveness, thereby improving the sensitivity of risk scoring systems, and may aid in prevention of coronary artery lesions in KD patients. Kawasaki disease Interleukin-4 receptor IVIG-resistance Single nucleotide variant Pediatrics Diseases of the musculoskeletal system Yohei Akazawa verfasserin aut Jun Yasuda verfasserin aut Kazuhisa Yoshino verfasserin aut Katsuhiko Kojima verfasserin aut Norimoto Kobayashi verfasserin aut Satoshi Matsuzaki verfasserin aut Masao Nagasaki verfasserin aut Yosuke Kawai verfasserin aut Naoko Minegishi verfasserin aut Noriko Ishida verfasserin aut Noriko Motoki verfasserin aut Akira Hachiya verfasserin aut Yozo Nakazawa verfasserin aut Masayuki Yamamoto verfasserin aut Kenichi Koike verfasserin aut Toshikazu Takeshita verfasserin aut In Pediatric Rheumatology Online Journal BMC, 2007 17(2019), 1, Seite 11 (DE-627)527833746 (DE-600)2279468-2 15460096 nnns volume:17 year:2019 number:1 pages:11 https://doi.org/10.1186/s12969-019-0337-2 kostenfrei https://doaj.org/article/c81b1f5eef1c496ea95f66d4d530fd2b kostenfrei http://link.springer.com/article/10.1186/s12969-019-0337-2 kostenfrei https://doaj.org/toc/1546-0096 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2019 1 11 |
allfields_unstemmed |
10.1186/s12969-019-0337-2 doi (DE-627)DOAJ074708740 (DE-599)DOAJc81b1f5eef1c496ea95f66d4d530fd2b DE-627 ger DE-627 rakwb eng RJ1-570 RC925-935 Yuji Amano verfasserin aut A low-frequency IL4R locus variant in Japanese patients with intravenous immunoglobulin therapy-unresponsive Kawasaki disease 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Background Kawasaki disease (KD) is a systemic vasculitis which may be associated with coronary artery aneurysms. A notable risk factor for the development of coronary artery aneurysms is resistance to intravenous immunoglobulin (IVIG) therapy, which comprises standard treatment for the acute phase of KD. The cause of IVIG resistance in KD is largely unknown; however, the contribution of genetic factors, especially variants in immune-related genes, has been suspected. Methods To explore genetic variants related to IVIG-unresponsiveness, we designated KD patients who did not respond to both first and second courses of IVIG therapy as IVIG-unresponsive patients. Using genomic DNA from 30 IVIG-unresponsive KD patients, we performed pooled genome sequencing targeting 39 immune-related cytokine receptor genes. Results The single nucleotide variant (SNV), rs563535954 (located in the IL4R locus), was concentrated in IVIG-unresponsive KD patients. Individual genotyping showed that the minor allele of rs563535954 was present in 4/33 patients with IVIG-unresponsive KD, compared with 20/1063 individuals in the Japanese genome variation database (odds ratio = 7.19, 95% confidence interval 2.43–21.47). Furthermore, the minor allele of rs563535954 was absent in 42 KD patients who responded to IVIG treatment (P = 0.0337), indicating that a low-frequency variant, rs563535954, is associated with IVIG-unresponsiveness in KD patients. Although rs563535954 is located in the 3′-untranslated region of IL4R, there was no alternation in IL4R expression associated with the mior allele of rs563535954. However, IVIG-unresponsive patients that exhibited the minor allele of rs563535954 tended to be classified into the low-risk group (based on previously reported risk scores) for prediction of IVIG-resistance. Therefore, IVIG-unresponsiveness associated with the minor allele of rs563535954 might differ from IVIG-unresponsiveness associated with previous risk factors used to evaluate IVIG-unresponsiveness in KD. Conclusion These findings suggest that the SNV rs563535954 could serve as a predictive indicator of IVIG-unresponsiveness, thereby improving the sensitivity of risk scoring systems, and may aid in prevention of coronary artery lesions in KD patients. Kawasaki disease Interleukin-4 receptor IVIG-resistance Single nucleotide variant Pediatrics Diseases of the musculoskeletal system Yohei Akazawa verfasserin aut Jun Yasuda verfasserin aut Kazuhisa Yoshino verfasserin aut Katsuhiko Kojima verfasserin aut Norimoto Kobayashi verfasserin aut Satoshi Matsuzaki verfasserin aut Masao Nagasaki verfasserin aut Yosuke Kawai verfasserin aut Naoko Minegishi verfasserin aut Noriko Ishida verfasserin aut Noriko Motoki verfasserin aut Akira Hachiya verfasserin aut Yozo Nakazawa verfasserin aut Masayuki Yamamoto verfasserin aut Kenichi Koike verfasserin aut Toshikazu Takeshita verfasserin aut In Pediatric Rheumatology Online Journal BMC, 2007 17(2019), 1, Seite 11 (DE-627)527833746 (DE-600)2279468-2 15460096 nnns volume:17 year:2019 number:1 pages:11 https://doi.org/10.1186/s12969-019-0337-2 kostenfrei https://doaj.org/article/c81b1f5eef1c496ea95f66d4d530fd2b kostenfrei http://link.springer.com/article/10.1186/s12969-019-0337-2 kostenfrei https://doaj.org/toc/1546-0096 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2019 1 11 |
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10.1186/s12969-019-0337-2 doi (DE-627)DOAJ074708740 (DE-599)DOAJc81b1f5eef1c496ea95f66d4d530fd2b DE-627 ger DE-627 rakwb eng RJ1-570 RC925-935 Yuji Amano verfasserin aut A low-frequency IL4R locus variant in Japanese patients with intravenous immunoglobulin therapy-unresponsive Kawasaki disease 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Background Kawasaki disease (KD) is a systemic vasculitis which may be associated with coronary artery aneurysms. A notable risk factor for the development of coronary artery aneurysms is resistance to intravenous immunoglobulin (IVIG) therapy, which comprises standard treatment for the acute phase of KD. The cause of IVIG resistance in KD is largely unknown; however, the contribution of genetic factors, especially variants in immune-related genes, has been suspected. Methods To explore genetic variants related to IVIG-unresponsiveness, we designated KD patients who did not respond to both first and second courses of IVIG therapy as IVIG-unresponsive patients. Using genomic DNA from 30 IVIG-unresponsive KD patients, we performed pooled genome sequencing targeting 39 immune-related cytokine receptor genes. Results The single nucleotide variant (SNV), rs563535954 (located in the IL4R locus), was concentrated in IVIG-unresponsive KD patients. Individual genotyping showed that the minor allele of rs563535954 was present in 4/33 patients with IVIG-unresponsive KD, compared with 20/1063 individuals in the Japanese genome variation database (odds ratio = 7.19, 95% confidence interval 2.43–21.47). Furthermore, the minor allele of rs563535954 was absent in 42 KD patients who responded to IVIG treatment (P = 0.0337), indicating that a low-frequency variant, rs563535954, is associated with IVIG-unresponsiveness in KD patients. Although rs563535954 is located in the 3′-untranslated region of IL4R, there was no alternation in IL4R expression associated with the mior allele of rs563535954. However, IVIG-unresponsive patients that exhibited the minor allele of rs563535954 tended to be classified into the low-risk group (based on previously reported risk scores) for prediction of IVIG-resistance. Therefore, IVIG-unresponsiveness associated with the minor allele of rs563535954 might differ from IVIG-unresponsiveness associated with previous risk factors used to evaluate IVIG-unresponsiveness in KD. Conclusion These findings suggest that the SNV rs563535954 could serve as a predictive indicator of IVIG-unresponsiveness, thereby improving the sensitivity of risk scoring systems, and may aid in prevention of coronary artery lesions in KD patients. Kawasaki disease Interleukin-4 receptor IVIG-resistance Single nucleotide variant Pediatrics Diseases of the musculoskeletal system Yohei Akazawa verfasserin aut Jun Yasuda verfasserin aut Kazuhisa Yoshino verfasserin aut Katsuhiko Kojima verfasserin aut Norimoto Kobayashi verfasserin aut Satoshi Matsuzaki verfasserin aut Masao Nagasaki verfasserin aut Yosuke Kawai verfasserin aut Naoko Minegishi verfasserin aut Noriko Ishida verfasserin aut Noriko Motoki verfasserin aut Akira Hachiya verfasserin aut Yozo Nakazawa verfasserin aut Masayuki Yamamoto verfasserin aut Kenichi Koike verfasserin aut Toshikazu Takeshita verfasserin aut In Pediatric Rheumatology Online Journal BMC, 2007 17(2019), 1, Seite 11 (DE-627)527833746 (DE-600)2279468-2 15460096 nnns volume:17 year:2019 number:1 pages:11 https://doi.org/10.1186/s12969-019-0337-2 kostenfrei https://doaj.org/article/c81b1f5eef1c496ea95f66d4d530fd2b kostenfrei http://link.springer.com/article/10.1186/s12969-019-0337-2 kostenfrei https://doaj.org/toc/1546-0096 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2019 1 11 |
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10.1186/s12969-019-0337-2 doi (DE-627)DOAJ074708740 (DE-599)DOAJc81b1f5eef1c496ea95f66d4d530fd2b DE-627 ger DE-627 rakwb eng RJ1-570 RC925-935 Yuji Amano verfasserin aut A low-frequency IL4R locus variant in Japanese patients with intravenous immunoglobulin therapy-unresponsive Kawasaki disease 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Background Kawasaki disease (KD) is a systemic vasculitis which may be associated with coronary artery aneurysms. A notable risk factor for the development of coronary artery aneurysms is resistance to intravenous immunoglobulin (IVIG) therapy, which comprises standard treatment for the acute phase of KD. The cause of IVIG resistance in KD is largely unknown; however, the contribution of genetic factors, especially variants in immune-related genes, has been suspected. Methods To explore genetic variants related to IVIG-unresponsiveness, we designated KD patients who did not respond to both first and second courses of IVIG therapy as IVIG-unresponsive patients. Using genomic DNA from 30 IVIG-unresponsive KD patients, we performed pooled genome sequencing targeting 39 immune-related cytokine receptor genes. Results The single nucleotide variant (SNV), rs563535954 (located in the IL4R locus), was concentrated in IVIG-unresponsive KD patients. Individual genotyping showed that the minor allele of rs563535954 was present in 4/33 patients with IVIG-unresponsive KD, compared with 20/1063 individuals in the Japanese genome variation database (odds ratio = 7.19, 95% confidence interval 2.43–21.47). Furthermore, the minor allele of rs563535954 was absent in 42 KD patients who responded to IVIG treatment (P = 0.0337), indicating that a low-frequency variant, rs563535954, is associated with IVIG-unresponsiveness in KD patients. Although rs563535954 is located in the 3′-untranslated region of IL4R, there was no alternation in IL4R expression associated with the mior allele of rs563535954. However, IVIG-unresponsive patients that exhibited the minor allele of rs563535954 tended to be classified into the low-risk group (based on previously reported risk scores) for prediction of IVIG-resistance. Therefore, IVIG-unresponsiveness associated with the minor allele of rs563535954 might differ from IVIG-unresponsiveness associated with previous risk factors used to evaluate IVIG-unresponsiveness in KD. Conclusion These findings suggest that the SNV rs563535954 could serve as a predictive indicator of IVIG-unresponsiveness, thereby improving the sensitivity of risk scoring systems, and may aid in prevention of coronary artery lesions in KD patients. Kawasaki disease Interleukin-4 receptor IVIG-resistance Single nucleotide variant Pediatrics Diseases of the musculoskeletal system Yohei Akazawa verfasserin aut Jun Yasuda verfasserin aut Kazuhisa Yoshino verfasserin aut Katsuhiko Kojima verfasserin aut Norimoto Kobayashi verfasserin aut Satoshi Matsuzaki verfasserin aut Masao Nagasaki verfasserin aut Yosuke Kawai verfasserin aut Naoko Minegishi verfasserin aut Noriko Ishida verfasserin aut Noriko Motoki verfasserin aut Akira Hachiya verfasserin aut Yozo Nakazawa verfasserin aut Masayuki Yamamoto verfasserin aut Kenichi Koike verfasserin aut Toshikazu Takeshita verfasserin aut In Pediatric Rheumatology Online Journal BMC, 2007 17(2019), 1, Seite 11 (DE-627)527833746 (DE-600)2279468-2 15460096 nnns volume:17 year:2019 number:1 pages:11 https://doi.org/10.1186/s12969-019-0337-2 kostenfrei https://doaj.org/article/c81b1f5eef1c496ea95f66d4d530fd2b kostenfrei http://link.springer.com/article/10.1186/s12969-019-0337-2 kostenfrei https://doaj.org/toc/1546-0096 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2019 1 11 |
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Yuji Amano @@aut@@ Yohei Akazawa @@aut@@ Jun Yasuda @@aut@@ Kazuhisa Yoshino @@aut@@ Katsuhiko Kojima @@aut@@ Norimoto Kobayashi @@aut@@ Satoshi Matsuzaki @@aut@@ Masao Nagasaki @@aut@@ Yosuke Kawai @@aut@@ Naoko Minegishi @@aut@@ Noriko Ishida @@aut@@ Noriko Motoki @@aut@@ Akira Hachiya @@aut@@ Yozo Nakazawa @@aut@@ Masayuki Yamamoto @@aut@@ Kenichi Koike @@aut@@ Toshikazu Takeshita @@aut@@ |
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A notable risk factor for the development of coronary artery aneurysms is resistance to intravenous immunoglobulin (IVIG) therapy, which comprises standard treatment for the acute phase of KD. The cause of IVIG resistance in KD is largely unknown; however, the contribution of genetic factors, especially variants in immune-related genes, has been suspected. Methods To explore genetic variants related to IVIG-unresponsiveness, we designated KD patients who did not respond to both first and second courses of IVIG therapy as IVIG-unresponsive patients. Using genomic DNA from 30 IVIG-unresponsive KD patients, we performed pooled genome sequencing targeting 39 immune-related cytokine receptor genes. Results The single nucleotide variant (SNV), rs563535954 (located in the IL4R locus), was concentrated in IVIG-unresponsive KD patients. Individual genotyping showed that the minor allele of rs563535954 was present in 4/33 patients with IVIG-unresponsive KD, compared with 20/1063 individuals in the Japanese genome variation database (odds ratio = 7.19, 95% confidence interval 2.43–21.47). Furthermore, the minor allele of rs563535954 was absent in 42 KD patients who responded to IVIG treatment (P = 0.0337), indicating that a low-frequency variant, rs563535954, is associated with IVIG-unresponsiveness in KD patients. Although rs563535954 is located in the 3′-untranslated region of IL4R, there was no alternation in IL4R expression associated with the mior allele of rs563535954. However, IVIG-unresponsive patients that exhibited the minor allele of rs563535954 tended to be classified into the low-risk group (based on previously reported risk scores) for prediction of IVIG-resistance. Therefore, IVIG-unresponsiveness associated with the minor allele of rs563535954 might differ from IVIG-unresponsiveness associated with previous risk factors used to evaluate IVIG-unresponsiveness in KD. 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RJ1-570 RC925-935 A low-frequency IL4R locus variant in Japanese patients with intravenous immunoglobulin therapy-unresponsive Kawasaki disease Kawasaki disease Interleukin-4 receptor IVIG-resistance Single nucleotide variant |
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Yuji Amano Yohei Akazawa Jun Yasuda Kazuhisa Yoshino Katsuhiko Kojima Norimoto Kobayashi Satoshi Matsuzaki Masao Nagasaki Yosuke Kawai Naoko Minegishi Noriko Ishida Noriko Motoki Akira Hachiya Yozo Nakazawa Masayuki Yamamoto Kenichi Koike Toshikazu Takeshita |
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low-frequency il4r locus variant in japanese patients with intravenous immunoglobulin therapy-unresponsive kawasaki disease |
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A low-frequency IL4R locus variant in Japanese patients with intravenous immunoglobulin therapy-unresponsive Kawasaki disease |
abstract |
Abstract Background Kawasaki disease (KD) is a systemic vasculitis which may be associated with coronary artery aneurysms. A notable risk factor for the development of coronary artery aneurysms is resistance to intravenous immunoglobulin (IVIG) therapy, which comprises standard treatment for the acute phase of KD. The cause of IVIG resistance in KD is largely unknown; however, the contribution of genetic factors, especially variants in immune-related genes, has been suspected. Methods To explore genetic variants related to IVIG-unresponsiveness, we designated KD patients who did not respond to both first and second courses of IVIG therapy as IVIG-unresponsive patients. Using genomic DNA from 30 IVIG-unresponsive KD patients, we performed pooled genome sequencing targeting 39 immune-related cytokine receptor genes. Results The single nucleotide variant (SNV), rs563535954 (located in the IL4R locus), was concentrated in IVIG-unresponsive KD patients. Individual genotyping showed that the minor allele of rs563535954 was present in 4/33 patients with IVIG-unresponsive KD, compared with 20/1063 individuals in the Japanese genome variation database (odds ratio = 7.19, 95% confidence interval 2.43–21.47). Furthermore, the minor allele of rs563535954 was absent in 42 KD patients who responded to IVIG treatment (P = 0.0337), indicating that a low-frequency variant, rs563535954, is associated with IVIG-unresponsiveness in KD patients. Although rs563535954 is located in the 3′-untranslated region of IL4R, there was no alternation in IL4R expression associated with the mior allele of rs563535954. However, IVIG-unresponsive patients that exhibited the minor allele of rs563535954 tended to be classified into the low-risk group (based on previously reported risk scores) for prediction of IVIG-resistance. Therefore, IVIG-unresponsiveness associated with the minor allele of rs563535954 might differ from IVIG-unresponsiveness associated with previous risk factors used to evaluate IVIG-unresponsiveness in KD. Conclusion These findings suggest that the SNV rs563535954 could serve as a predictive indicator of IVIG-unresponsiveness, thereby improving the sensitivity of risk scoring systems, and may aid in prevention of coronary artery lesions in KD patients. |
abstractGer |
Abstract Background Kawasaki disease (KD) is a systemic vasculitis which may be associated with coronary artery aneurysms. A notable risk factor for the development of coronary artery aneurysms is resistance to intravenous immunoglobulin (IVIG) therapy, which comprises standard treatment for the acute phase of KD. The cause of IVIG resistance in KD is largely unknown; however, the contribution of genetic factors, especially variants in immune-related genes, has been suspected. Methods To explore genetic variants related to IVIG-unresponsiveness, we designated KD patients who did not respond to both first and second courses of IVIG therapy as IVIG-unresponsive patients. Using genomic DNA from 30 IVIG-unresponsive KD patients, we performed pooled genome sequencing targeting 39 immune-related cytokine receptor genes. Results The single nucleotide variant (SNV), rs563535954 (located in the IL4R locus), was concentrated in IVIG-unresponsive KD patients. Individual genotyping showed that the minor allele of rs563535954 was present in 4/33 patients with IVIG-unresponsive KD, compared with 20/1063 individuals in the Japanese genome variation database (odds ratio = 7.19, 95% confidence interval 2.43–21.47). Furthermore, the minor allele of rs563535954 was absent in 42 KD patients who responded to IVIG treatment (P = 0.0337), indicating that a low-frequency variant, rs563535954, is associated with IVIG-unresponsiveness in KD patients. Although rs563535954 is located in the 3′-untranslated region of IL4R, there was no alternation in IL4R expression associated with the mior allele of rs563535954. However, IVIG-unresponsive patients that exhibited the minor allele of rs563535954 tended to be classified into the low-risk group (based on previously reported risk scores) for prediction of IVIG-resistance. Therefore, IVIG-unresponsiveness associated with the minor allele of rs563535954 might differ from IVIG-unresponsiveness associated with previous risk factors used to evaluate IVIG-unresponsiveness in KD. Conclusion These findings suggest that the SNV rs563535954 could serve as a predictive indicator of IVIG-unresponsiveness, thereby improving the sensitivity of risk scoring systems, and may aid in prevention of coronary artery lesions in KD patients. |
abstract_unstemmed |
Abstract Background Kawasaki disease (KD) is a systemic vasculitis which may be associated with coronary artery aneurysms. A notable risk factor for the development of coronary artery aneurysms is resistance to intravenous immunoglobulin (IVIG) therapy, which comprises standard treatment for the acute phase of KD. The cause of IVIG resistance in KD is largely unknown; however, the contribution of genetic factors, especially variants in immune-related genes, has been suspected. Methods To explore genetic variants related to IVIG-unresponsiveness, we designated KD patients who did not respond to both first and second courses of IVIG therapy as IVIG-unresponsive patients. Using genomic DNA from 30 IVIG-unresponsive KD patients, we performed pooled genome sequencing targeting 39 immune-related cytokine receptor genes. Results The single nucleotide variant (SNV), rs563535954 (located in the IL4R locus), was concentrated in IVIG-unresponsive KD patients. Individual genotyping showed that the minor allele of rs563535954 was present in 4/33 patients with IVIG-unresponsive KD, compared with 20/1063 individuals in the Japanese genome variation database (odds ratio = 7.19, 95% confidence interval 2.43–21.47). Furthermore, the minor allele of rs563535954 was absent in 42 KD patients who responded to IVIG treatment (P = 0.0337), indicating that a low-frequency variant, rs563535954, is associated with IVIG-unresponsiveness in KD patients. Although rs563535954 is located in the 3′-untranslated region of IL4R, there was no alternation in IL4R expression associated with the mior allele of rs563535954. However, IVIG-unresponsive patients that exhibited the minor allele of rs563535954 tended to be classified into the low-risk group (based on previously reported risk scores) for prediction of IVIG-resistance. Therefore, IVIG-unresponsiveness associated with the minor allele of rs563535954 might differ from IVIG-unresponsiveness associated with previous risk factors used to evaluate IVIG-unresponsiveness in KD. Conclusion These findings suggest that the SNV rs563535954 could serve as a predictive indicator of IVIG-unresponsiveness, thereby improving the sensitivity of risk scoring systems, and may aid in prevention of coronary artery lesions in KD patients. |
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A low-frequency IL4R locus variant in Japanese patients with intravenous immunoglobulin therapy-unresponsive Kawasaki disease |
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https://doi.org/10.1186/s12969-019-0337-2 https://doaj.org/article/c81b1f5eef1c496ea95f66d4d530fd2b http://link.springer.com/article/10.1186/s12969-019-0337-2 https://doaj.org/toc/1546-0096 |
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Yohei Akazawa Jun Yasuda Kazuhisa Yoshino Katsuhiko Kojima Norimoto Kobayashi Satoshi Matsuzaki Masao Nagasaki Yosuke Kawai Naoko Minegishi Noriko Ishida Noriko Motoki Akira Hachiya Yozo Nakazawa Masayuki Yamamoto Kenichi Koike Toshikazu Takeshita |
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Individual genotyping showed that the minor allele of rs563535954 was present in 4/33 patients with IVIG-unresponsive KD, compared with 20/1063 individuals in the Japanese genome variation database (odds ratio = 7.19, 95% confidence interval 2.43–21.47). Furthermore, the minor allele of rs563535954 was absent in 42 KD patients who responded to IVIG treatment (P = 0.0337), indicating that a low-frequency variant, rs563535954, is associated with IVIG-unresponsiveness in KD patients. Although rs563535954 is located in the 3′-untranslated region of IL4R, there was no alternation in IL4R expression associated with the mior allele of rs563535954. However, IVIG-unresponsive patients that exhibited the minor allele of rs563535954 tended to be classified into the low-risk group (based on previously reported risk scores) for prediction of IVIG-resistance. 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