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      Evaluasi Aktivitas Biologis Immunoglobulin Yolk (Ig-Y) Spesifik Virus Influenza dan SARS-CoV-2 dalam Nasal Spray

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      Date
      2024-07-04
      Author
      Kuswanti, Andrea Septiandra
      Poetri, Okti Nadia
      Wibawan, I Wayan Teguh
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      Abstract
      Virus Influenza dan SARS-CoV-2 merupakan virus yang menginfeksi saluran respirasi dengan tingkat morbiditas tinggi. Pemanfaatan imunoglobulin (Ig)-Y spesifik dalam sediaan antiseptik menjadi salah satu upaya pencegahan infeksi virus. Penelitian ini bertujuan mengevaluasi aktivitas biologis IgY spesifik influenza dan SARS-CoV-2 yang dicampurkan dalam nasal spray secara in vitro. Pada penelitian ini menggunakan konsentrasi IgY 0,5% (P1) dan 0,1% (P2) (b/v) yang dibandingkan dengan kontrol nasal spray tanpa IgY (KN). Kandungan nasal spray adalah natrium klorida, natrium hipoklorit, dan asam hipoklorit yang disimpan pada suhu ruang selama 4 minggu. Pengamatan organoleptik dilakukan dengan melihat perubahan aroma, warna, dan kekeruhan. Evaluasi aktivitas IgY spesifik diuji dengan Enzyme-linked-immunosorbent-assay (ELISA), Sodium Dodecyl-Sulfate-Polyacrylamide-Gel-Electrophoresis (SDS-PAGE), dan uji antiviral dengan virus Avian Influenza. Pengamatan organoleptik menunjukkan tidak ada perubahan pada KN dan P1 di minggu ke-1 s/d 3, tetapi perubahan kekeruhan dan aroma pada sediaan P1 terjadi di minggu ke-4. Hasil uji ELISA sampel P1 menunjukkan nilai S/N% negatif pada minggu ke-0 s/d 4. Hasil SDSPAGE sampel KN dan P1 tidak menunjukkan adanya pita protein. Hasil uji antiviral sediaan P2 menunjukkan kemampuan nasal spray untuk menurunkan titer virus Avian Influenza. Hasil penelitian mengindikasikan bahwa IgY terurai dalam nasal spray sehingga tidak ada aktivitas biologis yang nampak. Kemampuan antiviral dalam nasal spray diduga karena adanya komponen ion hipoklorit yang merusak virus influenza dan bukan karena kandungan IgY-nya.
       
      Influenza viruses and SARS-CoV-2 are two common pathogen viruses that infect upper respiratory tract with high morbidity rates. Utilization of specific immunoglobulin (Ig)-Y in antiseptic could be an option for preventing viral infections. This study aims to evaluate in-vitro biological activity of influenzacorona specific IgY mixed in nasal spray. In this study, we compared nasal spray containing 0.5% w/v IgY (P1), nasal spray 0.1% w/v IgY (P2) dan nasal spray without IgY (KN). The contents of nasal spray are sodium chloride, sodium hypochlorite and hypochlorous acid which were stored at room temperature for 4 weeks. Organoleptic changes were carried out by observe changes in aroma, color and turbidity. Biological acitivity of specific IgY were determined using Enzymelinked-immunosorbent-assay (ELISA), Sodium Dodecyl-Sulfate-PolyacrylamideGel-Electrophoresis (SDS-PAGE), and antiviral assay against Avian Influenza virus. Organoleptic observations showed no changes in KN and P1 in weeks 1 to 3, but changes in turbidity and aroma P1 were occurred in the 4th week. The ELISA test results for sample P1 showed negative S/N% values at weeks 0 to 4. The SDSPAGE results for samples KN and P1 did not show any protein bands. The results of the antiviral assay of P2 showed the ability of the nasal spray to reduce virus titer. Our results indicated that IgY was decomposed in the nasal spray so that no biological activity was visible. The antiviral ability of the nasal spray is thought to be due to the hypochlorite ion component which destroys influenza viruses and not due to its IgY content.
       
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      http://repository.ipb.ac.id/handle/123456789/153167
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      • UT - Animal Disease and Veterinary Health [1241]

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      Indonesia DSpace Group 
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