Filaggrin loss-of-function mutations are not a predisposing factor for atopic dermatitis in an Ishigaki Island under subtropical climate

Takashi Sasaki, Norihiro Furusyo, Aiko Shiohama, Satoshi Takeuchi, Takeshi Nakahara, Hiroshi Uchi, Tomomitsu Hirota, Mayumi Tamari, Nobuyoshi Shimizu, Tamotsu Ebihara, Masayuki Amagai, Masutaka Furue, Jun Hayashi, Jun Kudo

研究成果: Article

21 引用 (Scopus)

抄録

Background: Filaggrin (FLG) is a major protein component of the stratum corneum (SC) layer, and FLG loss-of-function mutations are a predisposing factor for atopic dermatitis (AD). Previous cohort studies of children from northern and western Europe have reported FLG loss-of-function mutation frequencies of 15.1-20.9% and 5.8-13.0% in AD and non-AD groups, respectively. Objective: To elucidate the association between AD prevalence of FLG loss-of-function mutation carriers and climate conditions, we determined the AD prevalence and FLG loss-of-function mutation frequencies in a cohort of children from Ishigaki Island. Ishigaki Island has a subtropical climate with high humidity (monthly average, 60.8-78.7%) and high temperature (monthly average, 18.5-29.4. °C) throughout the year. Methods: We diagnosed AD prevalence and analyzed eight FLG loss-of-function mutations in the Japanese population against a cohort of 721 children from the Kyushu University Ishigaki Atopic Dermatitis Study (KIDS) cohort. Parents gave consent for the mutation analysis during their medical examinations from 2001 to 2006. Results: Average AD prevalence was 7.3% per year, and a total of 127 children (17.6%) were diagnosed with AD at least once between 2001 and 2006. The average total serum IgE level differed significantly between the AD and non-AD groups (199.0 and 69.0. IU/ml, respectively). Although five kinds of FLG loss-of-function mutations isolated in previous Japanese FLG mutation studies were identified, the FLG loss-of-function mutation frequency in children of the KIDS cohort was not significantly different between the AD and non-AD groups (7.9% and 6.1%, respectively; P=0.174). Conclusion: The FLG loss-of-function mutation frequency was not significantly different between the AD and non-AD groups in a cohort of children from Ishigaki Island, which has a subtropical climate, suggesting that FLG loss-of-function mutations are not always a predisposing factor for AD prevalence.

元の言語English
ページ(範囲)10-15
ページ数6
ジャーナルJournal of Dermatological Science
76
発行部数1
DOI
出版物ステータスPublished - 2014

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Atopic Dermatitis
Climate
Islands
Causality
Mutation
Dermatitis
Mutation Rate
Probability density function
Cohort Studies
filaggrin
Humidity
Cornea
Immunoglobulin E
Atmospheric humidity
Parents

ASJC Scopus subject areas

  • Dermatology
  • Biochemistry
  • Molecular Biology
  • Medicine(all)

これを引用

Filaggrin loss-of-function mutations are not a predisposing factor for atopic dermatitis in an Ishigaki Island under subtropical climate. / Sasaki, Takashi; Furusyo, Norihiro; Shiohama, Aiko; Takeuchi, Satoshi; Nakahara, Takeshi; Uchi, Hiroshi; Hirota, Tomomitsu; Tamari, Mayumi; Shimizu, Nobuyoshi; Ebihara, Tamotsu; Amagai, Masayuki; Furue, Masutaka; Hayashi, Jun; Kudo, Jun.

:: Journal of Dermatological Science, 巻 76, 番号 1, 2014, p. 10-15.

研究成果: Article

Sasaki, T, Furusyo, N, Shiohama, A, Takeuchi, S, Nakahara, T, Uchi, H, Hirota, T, Tamari, M, Shimizu, N, Ebihara, T, Amagai, M, Furue, M, Hayashi, J & Kudo, J 2014, 'Filaggrin loss-of-function mutations are not a predisposing factor for atopic dermatitis in an Ishigaki Island under subtropical climate', Journal of Dermatological Science, 巻. 76, 番号 1, pp. 10-15. https://doi.org/10.1016/j.jdermsci.2014.06.004
Sasaki, Takashi ; Furusyo, Norihiro ; Shiohama, Aiko ; Takeuchi, Satoshi ; Nakahara, Takeshi ; Uchi, Hiroshi ; Hirota, Tomomitsu ; Tamari, Mayumi ; Shimizu, Nobuyoshi ; Ebihara, Tamotsu ; Amagai, Masayuki ; Furue, Masutaka ; Hayashi, Jun ; Kudo, Jun. / Filaggrin loss-of-function mutations are not a predisposing factor for atopic dermatitis in an Ishigaki Island under subtropical climate. :: Journal of Dermatological Science. 2014 ; 巻 76, 番号 1. pp. 10-15.
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title = "Filaggrin loss-of-function mutations are not a predisposing factor for atopic dermatitis in an Ishigaki Island under subtropical climate",
abstract = "Background: Filaggrin (FLG) is a major protein component of the stratum corneum (SC) layer, and FLG loss-of-function mutations are a predisposing factor for atopic dermatitis (AD). Previous cohort studies of children from northern and western Europe have reported FLG loss-of-function mutation frequencies of 15.1-20.9{\%} and 5.8-13.0{\%} in AD and non-AD groups, respectively. Objective: To elucidate the association between AD prevalence of FLG loss-of-function mutation carriers and climate conditions, we determined the AD prevalence and FLG loss-of-function mutation frequencies in a cohort of children from Ishigaki Island. Ishigaki Island has a subtropical climate with high humidity (monthly average, 60.8-78.7{\%}) and high temperature (monthly average, 18.5-29.4. °C) throughout the year. Methods: We diagnosed AD prevalence and analyzed eight FLG loss-of-function mutations in the Japanese population against a cohort of 721 children from the Kyushu University Ishigaki Atopic Dermatitis Study (KIDS) cohort. Parents gave consent for the mutation analysis during their medical examinations from 2001 to 2006. Results: Average AD prevalence was 7.3{\%} per year, and a total of 127 children (17.6{\%}) were diagnosed with AD at least once between 2001 and 2006. The average total serum IgE level differed significantly between the AD and non-AD groups (199.0 and 69.0. IU/ml, respectively). Although five kinds of FLG loss-of-function mutations isolated in previous Japanese FLG mutation studies were identified, the FLG loss-of-function mutation frequency in children of the KIDS cohort was not significantly different between the AD and non-AD groups (7.9{\%} and 6.1{\%}, respectively; P=0.174). Conclusion: The FLG loss-of-function mutation frequency was not significantly different between the AD and non-AD groups in a cohort of children from Ishigaki Island, which has a subtropical climate, suggesting that FLG loss-of-function mutations are not always a predisposing factor for AD prevalence.",
keywords = "Atopic dermatitis, Children cohort, FLG loss-of-function mutation, Ishigaki Island, Japanese",
author = "Takashi Sasaki and Norihiro Furusyo and Aiko Shiohama and Satoshi Takeuchi and Takeshi Nakahara and Hiroshi Uchi and Tomomitsu Hirota and Mayumi Tamari and Nobuyoshi Shimizu and Tamotsu Ebihara and Masayuki Amagai and Masutaka Furue and Jun Hayashi and Jun Kudo",
year = "2014",
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TY - JOUR

T1 - Filaggrin loss-of-function mutations are not a predisposing factor for atopic dermatitis in an Ishigaki Island under subtropical climate

AU - Sasaki, Takashi

AU - Furusyo, Norihiro

AU - Shiohama, Aiko

AU - Takeuchi, Satoshi

AU - Nakahara, Takeshi

AU - Uchi, Hiroshi

AU - Hirota, Tomomitsu

AU - Tamari, Mayumi

AU - Shimizu, Nobuyoshi

AU - Ebihara, Tamotsu

AU - Amagai, Masayuki

AU - Furue, Masutaka

AU - Hayashi, Jun

AU - Kudo, Jun

PY - 2014

Y1 - 2014

N2 - Background: Filaggrin (FLG) is a major protein component of the stratum corneum (SC) layer, and FLG loss-of-function mutations are a predisposing factor for atopic dermatitis (AD). Previous cohort studies of children from northern and western Europe have reported FLG loss-of-function mutation frequencies of 15.1-20.9% and 5.8-13.0% in AD and non-AD groups, respectively. Objective: To elucidate the association between AD prevalence of FLG loss-of-function mutation carriers and climate conditions, we determined the AD prevalence and FLG loss-of-function mutation frequencies in a cohort of children from Ishigaki Island. Ishigaki Island has a subtropical climate with high humidity (monthly average, 60.8-78.7%) and high temperature (monthly average, 18.5-29.4. °C) throughout the year. Methods: We diagnosed AD prevalence and analyzed eight FLG loss-of-function mutations in the Japanese population against a cohort of 721 children from the Kyushu University Ishigaki Atopic Dermatitis Study (KIDS) cohort. Parents gave consent for the mutation analysis during their medical examinations from 2001 to 2006. Results: Average AD prevalence was 7.3% per year, and a total of 127 children (17.6%) were diagnosed with AD at least once between 2001 and 2006. The average total serum IgE level differed significantly between the AD and non-AD groups (199.0 and 69.0. IU/ml, respectively). Although five kinds of FLG loss-of-function mutations isolated in previous Japanese FLG mutation studies were identified, the FLG loss-of-function mutation frequency in children of the KIDS cohort was not significantly different between the AD and non-AD groups (7.9% and 6.1%, respectively; P=0.174). Conclusion: The FLG loss-of-function mutation frequency was not significantly different between the AD and non-AD groups in a cohort of children from Ishigaki Island, which has a subtropical climate, suggesting that FLG loss-of-function mutations are not always a predisposing factor for AD prevalence.

AB - Background: Filaggrin (FLG) is a major protein component of the stratum corneum (SC) layer, and FLG loss-of-function mutations are a predisposing factor for atopic dermatitis (AD). Previous cohort studies of children from northern and western Europe have reported FLG loss-of-function mutation frequencies of 15.1-20.9% and 5.8-13.0% in AD and non-AD groups, respectively. Objective: To elucidate the association between AD prevalence of FLG loss-of-function mutation carriers and climate conditions, we determined the AD prevalence and FLG loss-of-function mutation frequencies in a cohort of children from Ishigaki Island. Ishigaki Island has a subtropical climate with high humidity (monthly average, 60.8-78.7%) and high temperature (monthly average, 18.5-29.4. °C) throughout the year. Methods: We diagnosed AD prevalence and analyzed eight FLG loss-of-function mutations in the Japanese population against a cohort of 721 children from the Kyushu University Ishigaki Atopic Dermatitis Study (KIDS) cohort. Parents gave consent for the mutation analysis during their medical examinations from 2001 to 2006. Results: Average AD prevalence was 7.3% per year, and a total of 127 children (17.6%) were diagnosed with AD at least once between 2001 and 2006. The average total serum IgE level differed significantly between the AD and non-AD groups (199.0 and 69.0. IU/ml, respectively). Although five kinds of FLG loss-of-function mutations isolated in previous Japanese FLG mutation studies were identified, the FLG loss-of-function mutation frequency in children of the KIDS cohort was not significantly different between the AD and non-AD groups (7.9% and 6.1%, respectively; P=0.174). Conclusion: The FLG loss-of-function mutation frequency was not significantly different between the AD and non-AD groups in a cohort of children from Ishigaki Island, which has a subtropical climate, suggesting that FLG loss-of-function mutations are not always a predisposing factor for AD prevalence.

KW - Atopic dermatitis

KW - Children cohort

KW - FLG loss-of-function mutation

KW - Ishigaki Island

KW - Japanese

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DO - 10.1016/j.jdermsci.2014.06.004

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