Polymorphism of the immune-braking gene CTLA-4 (+49) involved in gender discrepancy of serum total IgE levels and allergic diseases
Background A variety of genes are related to allergic disorders in different ethnic populations. The genetic basis for the gender discrepancy of allergic diseases remains to be determined.Objective This study was conducted to investigate whether IL-4 promoter (−590 C/T) and cytotoxic T lymphocyte an...
Ausführliche Beschreibung
Autor*in: |
Yang, K. D. [verfasserIn] Liu, C.-A. [verfasserIn] Chang, J.-C. [verfasserIn] |
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E-Artikel |
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Oxford, UK: Blackwell Science Ltd ; 2004 |
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Online-Ressource |
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2004 ; Blackwell Publishing Journal Backfiles 1879-2005 |
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Übergeordnetes Werk: |
In: Clinical & experimental allergy - Oxford : Blackwell Science, 1989, 34(2004), 1, Seite 0 |
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volume:34 ; year:2004 ; number:1 ; pages:0 |
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DOI / URN: |
10.1111/j.1365-2222.2004.01776.x |
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NLEJ242606156 |
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245 | 1 | 0 | |a Polymorphism of the immune-braking gene CTLA-4 (+49) involved in gender discrepancy of serum total IgE levels and allergic diseases |
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520 | |a Background A variety of genes are related to allergic disorders in different ethnic populations. The genetic basis for the gender discrepancy of allergic diseases remains to be determined.Objective This study was conducted to investigate whether IL-4 promoter (−590 C/T) and cytotoxic T lymphocyte antigen 4 (CTLA-4) (+49 A/G) polymorphisms were correlated with a gender discrepancy of total IgE levels and allergic diseases in a Chinese population.Methods A total of 1333 participants aged 19–49 years were enrolled in this study. Allergic diseases were recognized by the presence of asthma, rhinitis or atopic dermatitis in conjunction with detectable specific IgE in the blood. Polymorphisms of IL-4 promoter (−590) and CTLA-4 (+49) were determined by restriction fragment length polymorphism.Results Males or females with allergic diseases had higher total IgE levels than those without (P=0.000). Females with the A/A genotype in the CTLA-4 (+49) position had significantly higher total IgE levels than those with A/G, and those with the G/G genotype had the lowest IgE levels (154.9 vs. 107.1 vs. 79.8 KU/L; mean log values: 1.79 vs. 1.65 vs. 1.54, P< 0.001). However, males with different genotypes in the CTLA-4 (+49) position exhibited no difference in the total IgE levels. Females with allergic rhinitis had a significantly higher frequency of the A/A genotype in the CTLA-4 (+49) polymorphism than those without atopic diseases (P=0.016). In contrast, males with and without allergic disorders exhibited no significant difference in the CTLA-4 (+49) polymorphisms (P>0.05). The IL-4 promoter (–590) polymorphisms, however, had no correlation with the total IgE levels or allergic diseases in either females or males.Conclusion In females only, the CTLA-4 (+49), but not the IL-4 promoter (−590), polymorphism was significantly associated with elevation of total IgE levels and allergic rhinitis. Here, we have, for the first time, demonstrated a gender-linked genetic relationship with allergic disease. | ||
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700 | 1 | |a Chang, J.-C. |e verfasserin |4 aut | |
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700 | 1 | |a Ou, C.-Y. |4 oth | |
700 | 1 | |a Hsu, T.-Y. |4 oth | |
700 | 1 | |a Wang, C.-L. |4 oth | |
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10.1111/j.1365-2222.2004.01776.x doi (DE-627)NLEJ242606156 DE-627 ger DE-627 rakwb Yang, K. D. verfasserin aut Polymorphism of the immune-braking gene CTLA-4 (+49) involved in gender discrepancy of serum total IgE levels and allergic diseases Oxford, UK Blackwell Science Ltd 2004 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Background A variety of genes are related to allergic disorders in different ethnic populations. The genetic basis for the gender discrepancy of allergic diseases remains to be determined.Objective This study was conducted to investigate whether IL-4 promoter (−590 C/T) and cytotoxic T lymphocyte antigen 4 (CTLA-4) (+49 A/G) polymorphisms were correlated with a gender discrepancy of total IgE levels and allergic diseases in a Chinese population.Methods A total of 1333 participants aged 19–49 years were enrolled in this study. Allergic diseases were recognized by the presence of asthma, rhinitis or atopic dermatitis in conjunction with detectable specific IgE in the blood. Polymorphisms of IL-4 promoter (−590) and CTLA-4 (+49) were determined by restriction fragment length polymorphism.Results Males or females with allergic diseases had higher total IgE levels than those without (P=0.000). Females with the A/A genotype in the CTLA-4 (+49) position had significantly higher total IgE levels than those with A/G, and those with the G/G genotype had the lowest IgE levels (154.9 vs. 107.1 vs. 79.8 KU/L; mean log values: 1.79 vs. 1.65 vs. 1.54, P< 0.001). However, males with different genotypes in the CTLA-4 (+49) position exhibited no difference in the total IgE levels. Females with allergic rhinitis had a significantly higher frequency of the A/A genotype in the CTLA-4 (+49) polymorphism than those without atopic diseases (P=0.016). In contrast, males with and without allergic disorders exhibited no significant difference in the CTLA-4 (+49) polymorphisms (P>0.05). The IL-4 promoter (–590) polymorphisms, however, had no correlation with the total IgE levels or allergic diseases in either females or males.Conclusion In females only, the CTLA-4 (+49), but not the IL-4 promoter (−590), polymorphism was significantly associated with elevation of total IgE levels and allergic rhinitis. Here, we have, for the first time, demonstrated a gender-linked genetic relationship with allergic disease. 2004 Blackwell Publishing Journal Backfiles 1879-2005 |2004|||||||||| atopic diseases Liu, C.-A. verfasserin aut Chang, J.-C. verfasserin aut Chuang, H. oth Ou, C.-Y. oth Hsu, T.-Y. oth Wang, C.-L. oth In Clinical & experimental allergy Oxford : Blackwell Science, 1989 34(2004), 1, Seite 0 Online-Ressource (DE-627)NLEJ243926391 (DE-600)2004469-0 1365-2222 nnns volume:34 year:2004 number:1 pages:0 http://dx.doi.org/10.1111/j.1365-2222.2004.01776.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 34 2004 1 0 |
spelling |
10.1111/j.1365-2222.2004.01776.x doi (DE-627)NLEJ242606156 DE-627 ger DE-627 rakwb Yang, K. D. verfasserin aut Polymorphism of the immune-braking gene CTLA-4 (+49) involved in gender discrepancy of serum total IgE levels and allergic diseases Oxford, UK Blackwell Science Ltd 2004 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Background A variety of genes are related to allergic disorders in different ethnic populations. The genetic basis for the gender discrepancy of allergic diseases remains to be determined.Objective This study was conducted to investigate whether IL-4 promoter (−590 C/T) and cytotoxic T lymphocyte antigen 4 (CTLA-4) (+49 A/G) polymorphisms were correlated with a gender discrepancy of total IgE levels and allergic diseases in a Chinese population.Methods A total of 1333 participants aged 19–49 years were enrolled in this study. Allergic diseases were recognized by the presence of asthma, rhinitis or atopic dermatitis in conjunction with detectable specific IgE in the blood. Polymorphisms of IL-4 promoter (−590) and CTLA-4 (+49) were determined by restriction fragment length polymorphism.Results Males or females with allergic diseases had higher total IgE levels than those without (P=0.000). Females with the A/A genotype in the CTLA-4 (+49) position had significantly higher total IgE levels than those with A/G, and those with the G/G genotype had the lowest IgE levels (154.9 vs. 107.1 vs. 79.8 KU/L; mean log values: 1.79 vs. 1.65 vs. 1.54, P< 0.001). However, males with different genotypes in the CTLA-4 (+49) position exhibited no difference in the total IgE levels. Females with allergic rhinitis had a significantly higher frequency of the A/A genotype in the CTLA-4 (+49) polymorphism than those without atopic diseases (P=0.016). In contrast, males with and without allergic disorders exhibited no significant difference in the CTLA-4 (+49) polymorphisms (P>0.05). The IL-4 promoter (–590) polymorphisms, however, had no correlation with the total IgE levels or allergic diseases in either females or males.Conclusion In females only, the CTLA-4 (+49), but not the IL-4 promoter (−590), polymorphism was significantly associated with elevation of total IgE levels and allergic rhinitis. Here, we have, for the first time, demonstrated a gender-linked genetic relationship with allergic disease. 2004 Blackwell Publishing Journal Backfiles 1879-2005 |2004|||||||||| atopic diseases Liu, C.-A. verfasserin aut Chang, J.-C. verfasserin aut Chuang, H. oth Ou, C.-Y. oth Hsu, T.-Y. oth Wang, C.-L. oth In Clinical & experimental allergy Oxford : Blackwell Science, 1989 34(2004), 1, Seite 0 Online-Ressource (DE-627)NLEJ243926391 (DE-600)2004469-0 1365-2222 nnns volume:34 year:2004 number:1 pages:0 http://dx.doi.org/10.1111/j.1365-2222.2004.01776.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 34 2004 1 0 |
allfields_unstemmed |
10.1111/j.1365-2222.2004.01776.x doi (DE-627)NLEJ242606156 DE-627 ger DE-627 rakwb Yang, K. D. verfasserin aut Polymorphism of the immune-braking gene CTLA-4 (+49) involved in gender discrepancy of serum total IgE levels and allergic diseases Oxford, UK Blackwell Science Ltd 2004 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Background A variety of genes are related to allergic disorders in different ethnic populations. The genetic basis for the gender discrepancy of allergic diseases remains to be determined.Objective This study was conducted to investigate whether IL-4 promoter (−590 C/T) and cytotoxic T lymphocyte antigen 4 (CTLA-4) (+49 A/G) polymorphisms were correlated with a gender discrepancy of total IgE levels and allergic diseases in a Chinese population.Methods A total of 1333 participants aged 19–49 years were enrolled in this study. Allergic diseases were recognized by the presence of asthma, rhinitis or atopic dermatitis in conjunction with detectable specific IgE in the blood. Polymorphisms of IL-4 promoter (−590) and CTLA-4 (+49) were determined by restriction fragment length polymorphism.Results Males or females with allergic diseases had higher total IgE levels than those without (P=0.000). Females with the A/A genotype in the CTLA-4 (+49) position had significantly higher total IgE levels than those with A/G, and those with the G/G genotype had the lowest IgE levels (154.9 vs. 107.1 vs. 79.8 KU/L; mean log values: 1.79 vs. 1.65 vs. 1.54, P< 0.001). However, males with different genotypes in the CTLA-4 (+49) position exhibited no difference in the total IgE levels. Females with allergic rhinitis had a significantly higher frequency of the A/A genotype in the CTLA-4 (+49) polymorphism than those without atopic diseases (P=0.016). In contrast, males with and without allergic disorders exhibited no significant difference in the CTLA-4 (+49) polymorphisms (P>0.05). The IL-4 promoter (–590) polymorphisms, however, had no correlation with the total IgE levels or allergic diseases in either females or males.Conclusion In females only, the CTLA-4 (+49), but not the IL-4 promoter (−590), polymorphism was significantly associated with elevation of total IgE levels and allergic rhinitis. Here, we have, for the first time, demonstrated a gender-linked genetic relationship with allergic disease. 2004 Blackwell Publishing Journal Backfiles 1879-2005 |2004|||||||||| atopic diseases Liu, C.-A. verfasserin aut Chang, J.-C. verfasserin aut Chuang, H. oth Ou, C.-Y. oth Hsu, T.-Y. oth Wang, C.-L. oth In Clinical & experimental allergy Oxford : Blackwell Science, 1989 34(2004), 1, Seite 0 Online-Ressource (DE-627)NLEJ243926391 (DE-600)2004469-0 1365-2222 nnns volume:34 year:2004 number:1 pages:0 http://dx.doi.org/10.1111/j.1365-2222.2004.01776.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 34 2004 1 0 |
allfieldsGer |
10.1111/j.1365-2222.2004.01776.x doi (DE-627)NLEJ242606156 DE-627 ger DE-627 rakwb Yang, K. D. verfasserin aut Polymorphism of the immune-braking gene CTLA-4 (+49) involved in gender discrepancy of serum total IgE levels and allergic diseases Oxford, UK Blackwell Science Ltd 2004 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Background A variety of genes are related to allergic disorders in different ethnic populations. The genetic basis for the gender discrepancy of allergic diseases remains to be determined.Objective This study was conducted to investigate whether IL-4 promoter (−590 C/T) and cytotoxic T lymphocyte antigen 4 (CTLA-4) (+49 A/G) polymorphisms were correlated with a gender discrepancy of total IgE levels and allergic diseases in a Chinese population.Methods A total of 1333 participants aged 19–49 years were enrolled in this study. Allergic diseases were recognized by the presence of asthma, rhinitis or atopic dermatitis in conjunction with detectable specific IgE in the blood. Polymorphisms of IL-4 promoter (−590) and CTLA-4 (+49) were determined by restriction fragment length polymorphism.Results Males or females with allergic diseases had higher total IgE levels than those without (P=0.000). Females with the A/A genotype in the CTLA-4 (+49) position had significantly higher total IgE levels than those with A/G, and those with the G/G genotype had the lowest IgE levels (154.9 vs. 107.1 vs. 79.8 KU/L; mean log values: 1.79 vs. 1.65 vs. 1.54, P< 0.001). However, males with different genotypes in the CTLA-4 (+49) position exhibited no difference in the total IgE levels. Females with allergic rhinitis had a significantly higher frequency of the A/A genotype in the CTLA-4 (+49) polymorphism than those without atopic diseases (P=0.016). In contrast, males with and without allergic disorders exhibited no significant difference in the CTLA-4 (+49) polymorphisms (P>0.05). The IL-4 promoter (–590) polymorphisms, however, had no correlation with the total IgE levels or allergic diseases in either females or males.Conclusion In females only, the CTLA-4 (+49), but not the IL-4 promoter (−590), polymorphism was significantly associated with elevation of total IgE levels and allergic rhinitis. Here, we have, for the first time, demonstrated a gender-linked genetic relationship with allergic disease. 2004 Blackwell Publishing Journal Backfiles 1879-2005 |2004|||||||||| atopic diseases Liu, C.-A. verfasserin aut Chang, J.-C. verfasserin aut Chuang, H. oth Ou, C.-Y. oth Hsu, T.-Y. oth Wang, C.-L. oth In Clinical & experimental allergy Oxford : Blackwell Science, 1989 34(2004), 1, Seite 0 Online-Ressource (DE-627)NLEJ243926391 (DE-600)2004469-0 1365-2222 nnns volume:34 year:2004 number:1 pages:0 http://dx.doi.org/10.1111/j.1365-2222.2004.01776.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 34 2004 1 0 |
allfieldsSound |
10.1111/j.1365-2222.2004.01776.x doi (DE-627)NLEJ242606156 DE-627 ger DE-627 rakwb Yang, K. D. verfasserin aut Polymorphism of the immune-braking gene CTLA-4 (+49) involved in gender discrepancy of serum total IgE levels and allergic diseases Oxford, UK Blackwell Science Ltd 2004 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Background A variety of genes are related to allergic disorders in different ethnic populations. The genetic basis for the gender discrepancy of allergic diseases remains to be determined.Objective This study was conducted to investigate whether IL-4 promoter (−590 C/T) and cytotoxic T lymphocyte antigen 4 (CTLA-4) (+49 A/G) polymorphisms were correlated with a gender discrepancy of total IgE levels and allergic diseases in a Chinese population.Methods A total of 1333 participants aged 19–49 years were enrolled in this study. Allergic diseases were recognized by the presence of asthma, rhinitis or atopic dermatitis in conjunction with detectable specific IgE in the blood. Polymorphisms of IL-4 promoter (−590) and CTLA-4 (+49) were determined by restriction fragment length polymorphism.Results Males or females with allergic diseases had higher total IgE levels than those without (P=0.000). Females with the A/A genotype in the CTLA-4 (+49) position had significantly higher total IgE levels than those with A/G, and those with the G/G genotype had the lowest IgE levels (154.9 vs. 107.1 vs. 79.8 KU/L; mean log values: 1.79 vs. 1.65 vs. 1.54, P< 0.001). However, males with different genotypes in the CTLA-4 (+49) position exhibited no difference in the total IgE levels. Females with allergic rhinitis had a significantly higher frequency of the A/A genotype in the CTLA-4 (+49) polymorphism than those without atopic diseases (P=0.016). In contrast, males with and without allergic disorders exhibited no significant difference in the CTLA-4 (+49) polymorphisms (P>0.05). The IL-4 promoter (–590) polymorphisms, however, had no correlation with the total IgE levels or allergic diseases in either females or males.Conclusion In females only, the CTLA-4 (+49), but not the IL-4 promoter (−590), polymorphism was significantly associated with elevation of total IgE levels and allergic rhinitis. Here, we have, for the first time, demonstrated a gender-linked genetic relationship with allergic disease. 2004 Blackwell Publishing Journal Backfiles 1879-2005 |2004|||||||||| atopic diseases Liu, C.-A. verfasserin aut Chang, J.-C. verfasserin aut Chuang, H. oth Ou, C.-Y. oth Hsu, T.-Y. oth Wang, C.-L. oth In Clinical & experimental allergy Oxford : Blackwell Science, 1989 34(2004), 1, Seite 0 Online-Ressource (DE-627)NLEJ243926391 (DE-600)2004469-0 1365-2222 nnns volume:34 year:2004 number:1 pages:0 http://dx.doi.org/10.1111/j.1365-2222.2004.01776.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 34 2004 1 0 |
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D.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Polymorphism of the immune-braking gene CTLA-4 (+49) involved in gender discrepancy of serum total IgE levels and allergic diseases</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Oxford, UK</subfield><subfield code="b">Blackwell Science Ltd</subfield><subfield code="c">2004</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">z</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zu</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Background A variety of genes are related to allergic disorders in different ethnic populations. The genetic basis for the gender discrepancy of allergic diseases remains to be determined.Objective This study was conducted to investigate whether IL-4 promoter (−590 C/T) and cytotoxic T lymphocyte antigen 4 (CTLA-4) (+49 A/G) polymorphisms were correlated with a gender discrepancy of total IgE levels and allergic diseases in a Chinese population.Methods A total of 1333 participants aged 19–49 years were enrolled in this study. Allergic diseases were recognized by the presence of asthma, rhinitis or atopic dermatitis in conjunction with detectable specific IgE in the blood. Polymorphisms of IL-4 promoter (−590) and CTLA-4 (+49) were determined by restriction fragment length polymorphism.Results Males or females with allergic diseases had higher total IgE levels than those without (P=0.000). Females with the A/A genotype in the CTLA-4 (+49) position had significantly higher total IgE levels than those with A/G, and those with the G/G genotype had the lowest IgE levels (154.9 vs. 107.1 vs. 79.8 KU/L; mean log values: 1.79 vs. 1.65 vs. 1.54, P< 0.001). However, males with different genotypes in the CTLA-4 (+49) position exhibited no difference in the total IgE levels. Females with allergic rhinitis had a significantly higher frequency of the A/A genotype in the CTLA-4 (+49) polymorphism than those without atopic diseases (P=0.016). In contrast, males with and without allergic disorders exhibited no significant difference in the CTLA-4 (+49) polymorphisms (P>0.05). The IL-4 promoter (–590) polymorphisms, however, had no correlation with the total IgE levels or allergic diseases in either females or males.Conclusion In females only, the CTLA-4 (+49), but not the IL-4 promoter (−590), polymorphism was significantly associated with elevation of total IgE levels and allergic rhinitis. 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Yang, K. D. |
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Yang, K. D. misc atopic diseases Polymorphism of the immune-braking gene CTLA-4 (+49) involved in gender discrepancy of serum total IgE levels and allergic diseases |
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Polymorphism of the immune-braking gene CTLA-4 (+49) involved in gender discrepancy of serum total IgE levels and allergic diseases atopic diseases |
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Polymorphism of the immune-braking gene CTLA-4 (+49) involved in gender discrepancy of serum total IgE levels and allergic diseases |
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Polymorphism of the immune-braking gene CTLA-4 (+49) involved in gender discrepancy of serum total IgE levels and allergic diseases |
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Yang, K. D. |
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Clinical & experimental allergy |
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2004 |
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Yang, K. D. Liu, C.-A. Chang, J.-C. |
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Yang, K. D. |
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10.1111/j.1365-2222.2004.01776.x |
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polymorphism of the immune-braking gene ctla-4 (+49) involved in gender discrepancy of serum total ige levels and allergic diseases |
title_auth |
Polymorphism of the immune-braking gene CTLA-4 (+49) involved in gender discrepancy of serum total IgE levels and allergic diseases |
abstract |
Background A variety of genes are related to allergic disorders in different ethnic populations. The genetic basis for the gender discrepancy of allergic diseases remains to be determined.Objective This study was conducted to investigate whether IL-4 promoter (−590 C/T) and cytotoxic T lymphocyte antigen 4 (CTLA-4) (+49 A/G) polymorphisms were correlated with a gender discrepancy of total IgE levels and allergic diseases in a Chinese population.Methods A total of 1333 participants aged 19–49 years were enrolled in this study. Allergic diseases were recognized by the presence of asthma, rhinitis or atopic dermatitis in conjunction with detectable specific IgE in the blood. Polymorphisms of IL-4 promoter (−590) and CTLA-4 (+49) were determined by restriction fragment length polymorphism.Results Males or females with allergic diseases had higher total IgE levels than those without (P=0.000). Females with the A/A genotype in the CTLA-4 (+49) position had significantly higher total IgE levels than those with A/G, and those with the G/G genotype had the lowest IgE levels (154.9 vs. 107.1 vs. 79.8 KU/L; mean log values: 1.79 vs. 1.65 vs. 1.54, P< 0.001). However, males with different genotypes in the CTLA-4 (+49) position exhibited no difference in the total IgE levels. Females with allergic rhinitis had a significantly higher frequency of the A/A genotype in the CTLA-4 (+49) polymorphism than those without atopic diseases (P=0.016). In contrast, males with and without allergic disorders exhibited no significant difference in the CTLA-4 (+49) polymorphisms (P>0.05). The IL-4 promoter (–590) polymorphisms, however, had no correlation with the total IgE levels or allergic diseases in either females or males.Conclusion In females only, the CTLA-4 (+49), but not the IL-4 promoter (−590), polymorphism was significantly associated with elevation of total IgE levels and allergic rhinitis. Here, we have, for the first time, demonstrated a gender-linked genetic relationship with allergic disease. |
abstractGer |
Background A variety of genes are related to allergic disorders in different ethnic populations. The genetic basis for the gender discrepancy of allergic diseases remains to be determined.Objective This study was conducted to investigate whether IL-4 promoter (−590 C/T) and cytotoxic T lymphocyte antigen 4 (CTLA-4) (+49 A/G) polymorphisms were correlated with a gender discrepancy of total IgE levels and allergic diseases in a Chinese population.Methods A total of 1333 participants aged 19–49 years were enrolled in this study. Allergic diseases were recognized by the presence of asthma, rhinitis or atopic dermatitis in conjunction with detectable specific IgE in the blood. Polymorphisms of IL-4 promoter (−590) and CTLA-4 (+49) were determined by restriction fragment length polymorphism.Results Males or females with allergic diseases had higher total IgE levels than those without (P=0.000). Females with the A/A genotype in the CTLA-4 (+49) position had significantly higher total IgE levels than those with A/G, and those with the G/G genotype had the lowest IgE levels (154.9 vs. 107.1 vs. 79.8 KU/L; mean log values: 1.79 vs. 1.65 vs. 1.54, P< 0.001). However, males with different genotypes in the CTLA-4 (+49) position exhibited no difference in the total IgE levels. Females with allergic rhinitis had a significantly higher frequency of the A/A genotype in the CTLA-4 (+49) polymorphism than those without atopic diseases (P=0.016). In contrast, males with and without allergic disorders exhibited no significant difference in the CTLA-4 (+49) polymorphisms (P>0.05). The IL-4 promoter (–590) polymorphisms, however, had no correlation with the total IgE levels or allergic diseases in either females or males.Conclusion In females only, the CTLA-4 (+49), but not the IL-4 promoter (−590), polymorphism was significantly associated with elevation of total IgE levels and allergic rhinitis. Here, we have, for the first time, demonstrated a gender-linked genetic relationship with allergic disease. |
abstract_unstemmed |
Background A variety of genes are related to allergic disorders in different ethnic populations. The genetic basis for the gender discrepancy of allergic diseases remains to be determined.Objective This study was conducted to investigate whether IL-4 promoter (−590 C/T) and cytotoxic T lymphocyte antigen 4 (CTLA-4) (+49 A/G) polymorphisms were correlated with a gender discrepancy of total IgE levels and allergic diseases in a Chinese population.Methods A total of 1333 participants aged 19–49 years were enrolled in this study. Allergic diseases were recognized by the presence of asthma, rhinitis or atopic dermatitis in conjunction with detectable specific IgE in the blood. Polymorphisms of IL-4 promoter (−590) and CTLA-4 (+49) were determined by restriction fragment length polymorphism.Results Males or females with allergic diseases had higher total IgE levels than those without (P=0.000). Females with the A/A genotype in the CTLA-4 (+49) position had significantly higher total IgE levels than those with A/G, and those with the G/G genotype had the lowest IgE levels (154.9 vs. 107.1 vs. 79.8 KU/L; mean log values: 1.79 vs. 1.65 vs. 1.54, P< 0.001). However, males with different genotypes in the CTLA-4 (+49) position exhibited no difference in the total IgE levels. Females with allergic rhinitis had a significantly higher frequency of the A/A genotype in the CTLA-4 (+49) polymorphism than those without atopic diseases (P=0.016). In contrast, males with and without allergic disorders exhibited no significant difference in the CTLA-4 (+49) polymorphisms (P>0.05). The IL-4 promoter (–590) polymorphisms, however, had no correlation with the total IgE levels or allergic diseases in either females or males.Conclusion In females only, the CTLA-4 (+49), but not the IL-4 promoter (−590), polymorphism was significantly associated with elevation of total IgE levels and allergic rhinitis. Here, we have, for the first time, demonstrated a gender-linked genetic relationship with allergic disease. |
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Polymorphism of the immune-braking gene CTLA-4 (+49) involved in gender discrepancy of serum total IgE levels and allergic diseases |
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http://dx.doi.org/10.1111/j.1365-2222.2004.01776.x |
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Liu, C.-A. Chang, J.-C. Chuang, H. Ou, C.-Y. Hsu, T.-Y. Wang, C.-L. |
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