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      Prediksi Potensi Ekstrak Larva Black Soldier Fly (Hermetia illucens) sebagai antiinflamasi melalui persinyalan NF-kappa B

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      Date
      2023
      Author
      Sigiro, Ria Heni
      Sulistiyani
      Kurniatin, Popi Asri
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      Abstract
      Inflamasi disebabkan oleh produksi senyawa proinflamasi yang diatur oleh faktor transkripsi Nuclear Factor kappa B (NF-κB). Inhibisi enzim inhibitory-κB kinase β ( IKK2) berperan penting dalam penghambatan aktivasi NF-κB. Larva Black Soldier Fly (BSF) dilaporkan mengandung senyawa yang dapat menghambat proses inflamasi namun belum diketahui mekanismenya terhadap enzim IKK2. Penelitian ini bertujuan memprediksi penghambatan enzim IKK2 oleh senyawa aktif larva BSF dengan metode penambatan molekuler. Penambatan molekuler dengan program YASARA dari ekstrak BSF menghasilkan 4 ligan uji yang berikatan dengan reseptor ditunjukkan dengan nilai energi bebas Gibbs (ΔG) yang negatif dan besar serta konstanta disosiasi (Kd) yang kecil namun hanya 2 ligan dari ekstrak air yaitu naphthyl carbamate dan verpacamide A yang lebih berpotensi dari aspirin (ΔG= -4,284 kkal/mol, Kd= 0,724 × 103 µM). Oleh karena ligan napthyl carbamate tidak lolos uji karsinogenitas, hanya verpacamide A yang berpotensi sebagai antiinflamasi (ΔG= -5,024 kkal/mol, Kd= 0,207 × 103 µM ). Kaempferol, kuersetin, apigenin dari penelusuran pustaka lebih berpotensi dari aspirin namun kaempferol dan kuersetin bersifat toksik pada dosis dibawah 500 mg/KgBB.
       
      Inflammation is caused by the production of proinflammatory compounds which are regulated by the transcription factor Nuclear Factor kappa B (NF-kB). Inhibition of the inhibitory-kB kinase enzym (IKK2) plays an important role in inhibiting NF-kB activation. Black soldier Fly (BSF) larvae has been reported to contain compounds that can inhibit the inflammatory process but the mechanism on inhibition of the IKK enzyme is unknown. This study aims to predict the inhibition of the IKK2 enzyme by BSF larvae extracts using the molecular docking method. Using YASARA program, the molecular docking demonstrated inhibition 4 test ligands with negative and large Gibbs free energy (ΔG) value and a small dissociation constant (Kd). However only 2 ligands of aqueous extracts, namely naphthyl carbamate and verpacamide A, were better than aspirin (ΔG= -4,284 kkal/mol, Kd= 0,724 × 103 µM). Since the napthyl carbamate ligand did not pass the carcinogenicity test, only verpacamide A had the potential as an anti-inflammatory agent (ΔG= -5,024 kkal/mol, Kd= 0,207 × 103 µM). Kaempferol, quercetin, and apigenin from literatures were more potent than aspirin but kaempferol and quercetin were toxic at doses below 500 mg/KgBW.
       
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      http://repository.ipb.ac.id/handle/123456789/116433
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      • UT - Biochemistry [1466]

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