Title : The association between null mutations in the filaggrin gene and contact sensitization to nickel and other chemicals in the general population.

Pub. Date : 2010 Jun

PMID : 20346018






9 Functional Relationships(s)
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1 The association between null mutations in the filaggrin gene and contact sensitization to nickel and other chemicals in the general population. Nickel filaggrin Homo sapiens
2 BACKGROUND: It was recently shown that filaggrin gene (FLG) null mutations are positively associated with nickel sensitization. Nickel filaggrin Homo sapiens
3 BACKGROUND: It was recently shown that filaggrin gene (FLG) null mutations are positively associated with nickel sensitization. Nickel filaggrin Homo sapiens
4 We have hypothesized that histidine-rich filaggrin proteins in the epidermis chelate nickel ions and prevent their skin penetration and exposure to Langerhans cells. Nickel filaggrin Homo sapiens
5 Furthermore, we have proposed that the low degree of genetic predisposition to nickel sensitization found by a Danish twin study was explained by a high prevalence of ear piercing among participants resulting in "bypassing" of the filaggrin proteins. Nickel filaggrin Homo sapiens
6 OBJECTIVES: To investigate the association between FLG null mutations and (nickel) contact sensitization. Nickel filaggrin Homo sapiens
7 A crude analysis on women who did not have ear piercings revealed a positive association between FLG null mutations and nickel sensitization [8 3% vs. 2 4%; odds ratio (OR) 3 71, 95% confidence interval (CI) 0 73-18 96] as well as between FLG null mutations and allergic nickel dermatitis (8 3% vs. 1 3%; OR 6 75, 95% CI 1 17-38 91). Nickel filaggrin Homo sapiens
8 A crude analysis on women who did not have ear piercings revealed a positive association between FLG null mutations and nickel sensitization [8 3% vs. 2 4%; odds ratio (OR) 3 71, 95% confidence interval (CI) 0 73-18 96] as well as between FLG null mutations and allergic nickel dermatitis (8 3% vs. 1 3%; OR 6 75, 95% CI 1 17-38 91). Nickel filaggrin Homo sapiens
9 CONCLUSIONS: This study suggests that FLG null mutations may be a risk factor for the development of nickel sensitization. Nickel filaggrin Homo sapiens