Distribution and factors associated with salivary secretory leukocyte protease inhibitor concentrations
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Citações na Scopus
1
Tipo de produção
article
Data de publicação
2016
Título da Revista
ISSN da Revista
Título do Volume
Editora
WILEY-BLACKWELL
Autores
RAHMAN, S.
CAMPBELL, C. M. Pierce
TORRES, B. N.
O'KEEFE, M. T.
INGLES, D. J.
SILVA, R. J. Carvalho da
CINTRA, R. C.
LAZCANO-PONCE, E.
SALMERON, J.
Citação
ORAL DISEASES, v.22, n.8, p.781-790, 2016
Resumo
ObjectivesThis cross-sectional study examined the distribution and correlates of salivary secretory leukocyte protease inhibitor (SLPI) concentrations within a multinational cohort of men. MethodsExtracellular SLPI was measured in oral gargle cell supernatants of 378 men from three countries using an ELISA-based assay. Risk factor data were collected by a questionnaire. Factors associated with SLPI were assessed using linear and logistic regression for continuous and categorical SLPI, respectively. ResultsAmong men aged 18-73years, the median SLPI concentration was 492.0ngml(-1) (range: 2.3-1919.9). In multivariable modeling, men in Brazil and younger men (18-30years) were more likely to have higher levels of SLPI [adjusted odds ratio (aOR) 3.84; 95% confidence interval (CI): 1.94-7.59, and aOR 3.84; 95% CI: 1.98-7.43, respectively]. Men with a self-reported sexually transmitted diseases diagnosis in the past 6months were more likely to have higher SLPI levels (aOR 2.98; 95% CI: 1.1-7.83) and men reporting bleeding/swollen gums were less likely to have higher SLPI (aOR 0.34; 95% CI: 0.15-0.79). Similar results were observed for linear regression models. ConclusionsSecretory leukocyte protease inhibitor concentrations varied significantly by country and decreased with increasing age. The interaction between SLPI, modifiable factors, and oral infections that influence cancer risk warrants further investigation.
Palavras-chave
secretory leukocyte protease inhibitor, immune system protein, saliva, HIM Study
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