Morphological alterations in salivary glands of mice (Mus musculus) submitted to tannin enriched diets: comparison with sialotrophic effects of sympathetic agonists stimulation

  • Lamy E
  • Baptista E
  • Coelho A
  • et al.
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Abstract

In order to study the effects of tannins at histomorphological level, mice were either fed with three structurally different types of tannins (tannic acid, chestnut, and quebracho) or treated with isoproterenol, during 10 days. Acini of parotid and submandibular glands increased significantly, being the increase higher for parotid compared to submandibular glands, and higher in the quebracho compared with the other tannin groups. Sublingual acinar size also increased after tannin consumption, by opposition to isoproterenol-treated animals. The results present evidences that the effects produced by tannins are dependent on their structure.Estudaram-se as alterações morfológicas das glândulas salivares, induzidas por taninos, em camundongos. Os animais foram distribuídos em grupos e tratados com três diferentes tipos estruturais de taninos (ácido tânico, chestnut e quebracho - adicionados à ração) ou isoproterenol via intraperitoneal, durante 10 dias. Os ácinos das glândulas parótida e submandibulares aumentaram significativamente de tamanho, sendo o incremento maior para a parótida que para as submandibulares, e maior com o quebracho comparado com o provocado pelos outros taninos. Os ácinos das glândulas sublinguais também aumentaram após o consumo de taninos em relação aos ácinos dos animais tratados com isoproterenol. Os resultados apresentam evidências de que os efeitos produzidos pelos taninos dependem de sua estrutura.

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APA

Lamy, E., Baptista, E. S., Coelho, A. V., & Silva, F. C. e. (2010). Morphological alterations in salivary glands of mice (Mus musculus) submitted to tannin enriched diets: comparison with sialotrophic effects of sympathetic agonists stimulation. Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 62(4), 837–844. https://doi.org/10.1590/s0102-09352010000400012

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