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Evaluation of salivary protein patterns among a rural population exposed and non-exposed to arsenic-contaminated drinking water in areas of Tucumán (Argentina): a pilot study

Guber, Rosa Silvina; Gonzalez Mac Donald, Mauricio; Aleman, Mariano Nicolas; Luciardi, Maria Constanza; Mentz, Paula; Wierna, Alicia; Ansonnaud, Carlos; Garcia, Veronica; Ansonnaud, Ana María; Soria, Analía

Journal of Applied Oral Science; Vol. 29 (2021); e20200939

Universidade de São Paulo. Faculdade de Odontologia de Bauru 2021-09-08

Acesso online

  • Título:
    Evaluation of salivary protein patterns among a rural population exposed and non-exposed to arsenic-contaminated drinking water in areas of Tucumán (Argentina): a pilot study
  • Autor: Guber, Rosa Silvina; Gonzalez Mac Donald, Mauricio; Aleman, Mariano Nicolas; Luciardi, Maria Constanza; Mentz, Paula; Wierna, Alicia; Ansonnaud, Carlos; Garcia, Veronica; Ansonnaud, Ana María; Soria, Analía
  • Assuntos: Arsenic; Saliva; Sds-Page
  • É parte de: Journal of Applied Oral Science; Vol. 29 (2021); e20200939
  • Descrição: Arsenic contamination in the environment and groundwater is a major global public health problem. Several researchers suggest that the toxicity of arsenic could be related to oral cancer development, usually resulting from potentially malignant lesions. During pathological processes, salivary proteins suffer modifications, which could lead to the discovery of new biomarkers. Objective: To analyze the protein profile in human saliva samples from a rural population exposed to high levels of arsenic in drinking water and its association with potentially malignant lesions. Methodology: This observational, analytic and cross-sectional design included 121 patients from the state of Graneros (Tucumán, Argentina). Arsenic concentration in drinking water was determined and, according to the values obtained, individuals were divided into 2 groups: exposed group and non-exposed group. Saliva samples were obtained, and total protein concentration was measured by Bradford method. Finally, Laemmli SDS-polyacrylamide gel electrophoresis was conducted to obtain the protein profile. Results: Total protein concentration in saliva was lower in the exposed group than in the non-exposed group. Average areas of 20 and 42 KDa bands were significantly lower in exposed group than non-exposed group. Conclusion: Chronic intake of high arsenic concentrations in drinking water produces changes in the salivary protein profile, which is associated with the presence of potentially malignant lesions.
  • Títulos relacionados: https://www.revistas.usp.br/jaos/article/view/190454/175781
  • Editor: Universidade de São Paulo. Faculdade de Odontologia de Bauru
  • Data de criação/publicação: 2021-09-08
  • Formato: Adobe PDF
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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