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Efeitos dos óleos de linhaça e de cominho-preto na fibrose pulmonar

Efeitos dos óleos de linhaça e de cominho-preto na fibrose pulmonar

Anouar Abidi

131,35 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
Materia
Biologia, ciencias de la vida
ISBN:
9786630190687
131,35 €
IVA incluido
Disponible

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Resumo A fibrose pulmonar idiopática (FPI) é uma doença intersticial crónica de evolução progressiva. Os tratamentos atuais têm eficácia limitada e o prognóstico desta doença é desfavorável, com uma mediana de sobrevivência de cerca de 5 anos. Neste estudo, propusemo-nos avaliar o efeito preventivo e curativo de dois óleos fixos extraídos das sementes de Linum usitatissimum (o óleo de linhaça HL) e das sementes de Nigella sativa (HNS), ricos em ácidos gordos poliinsaturados (AGPI), num modelo experimental de fibrose pulmonar induzida por bleomicina (BLM) em ratos Wistar. Na primeira parte deste trabalho, a fibrose pulmonar (FP) foi induzida por uma única injeção intratraqueal de 4 mg/kg de BLM. A análise bioquímica do líquido de lavagem broncoalveolar (LBA), recolhido nos grupos tratados com HL na dose de 2 ml/kg de peso corporal/dia (grupos P e T), revelou a existência de uma resposta anti-inflamatória, como atesta o aumento dos níveis de prolina, glicose e glicéridos. Estes resultados estão em consonância com os das análises histológicas e imuno-histoquímicas, que revelaram uma diminuição significativa do índice de fibrose (SF).

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