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Papel dos fibratos nos potenciais anulados do pré-condicionamento isquémico

Papel dos fibratos nos potenciais anulados do pré-condicionamento isquémico

Gurfateh Singh

72,20 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Farmacología
ISBN:
9786208584146
72,20 €
IVA incluido
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O trabalho principal deste livro baseou-se na análise dos efeitos do pré-condicionamento isquémico (PCI), um fenómeno cardioprotector, em condições patológicas de hiperlipidemia. A hiperlipidemia possui um importante fator de risco para a Doença Cardíaca Isquémica. Observou-se que a CIP reduz a lesão miocárdica induzida por I/R no coração normal de ratos. No entanto, o efeito cardioprotector da CIP foi insignificante no coração de ratos hiperlipidémicos. Assim, sugere-se fortemente que o desenvolvimento de um elevado grau de stress oxidativo e a regulação negativa do PPAR-α no coração de ratos hiperlipidémicos podem ser responsáveis pelo efeito paradoxal observado da CIP. O fenofibrato e o clofibrato restauraram os efeitos cardioprotectores da PCI no coração de ratos hiperlipidémicos, pelo que se pode sugerir que a ativação mediada pelo PPAR-α no coração de ratos hiperlipidémicos pode ser responsável pela restauração dos potenciais cardioprotectores da PCI. Este estudo relata pela primeira vez que o Clofibrato e o Fenofibrato têm um papel significativo no restabelecimento dos efeitos cardioprotectores anulados da CIP em condições hiperlipidémicas.

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