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Immunological Response of Interleukin-6 on Cantang Hybrid Grouper (Ephinephelus sp.) By Induction Of Protein Brachionus sp. Kumalaningrum, Dwi Retna; Yanuhar, Uun; Musa, Mohammad; Martiningsih, Nur Fauzi-yah
Journal of Aquaculture and Fish Health Vol. 13 No. 3 (2024): JAFH Vol. 13 No. 3 September 2024
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v13i3.30835

Abstract

This study examines the role of Brachionus sp protein on the interleukin-6 pro-inflammatory immune system in Cantang grouper infected with Viral Nervous Necrosis (VNN). The purpose of this study was to determine the protein content of Brachionus sp. which has the potential as an antivirus and to find out the benefits of Brachionus sp. on the expression of Interleukin-6 as an indicator of increased fish body defense system against VNN. Testing of Brachionus protein by injection at doses of 35 µl, 105 µl, and 170 µl /150 gram Cantang grouper. The results showed that the lowest decrease was at a dose of 105 µl/150-gram Cantang groupers.  In addition, Brachionus sp. contains 3 protein bands with molecular weights of 122.73 kDa, 75.49 kDa, and 13.77 kDa. 
The Effect of Protein Induction of Brachionus sp. Toward In-Vivo Response of Cluster Differentiation-8 (CD8) Cantang Grouper (Epinephelus sp.) Infected by VNN (Viral Nervous Necrosis) Martiningsih, Nur Fauziyah; Yanuhar, Uun; Musa, Mohammad; Kumalaningrum, Dwi Retna
Jurnal Penelitian Pendidikan IPA Vol 9 No 8 (2023): August
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i8.4025

Abstract

The large demand for grouper conduce increase production intensively in various ways, by increasing the production of grouper aquaculture raises causing new problems, one of which is infection with VNN disease. The use of antibiotics to treat VNN infections is prohibited or no longer recommended by the government. An alternative way to deal with VNN infection is by increasing the body's immunity in the fish itself. One effort that can be done to increase the body's immunity in grouper is by administering Brachionus sp. protein extracts. This research was conducted to determine whether the Brachionus sp. has an effect on the immune system in cantang grouper (Epinephelus sp.) as indicated by the emergence of Cluster Differentiation-8 (CD8) expression in fish that have been infected with VNN. The proteins contained in Brachionus sp. that has three type molecular weight (122.73 kDa, 75.49 kDa, and 13.77 kDa) potential as an ingredient for treating VNN-infected fish. It is hoped that this can improve the immune system in Epinephelus sp. infected with VNN. Protein Brachionus sp. given by injection at a dose of 35 µl, 105 µl and 170 µl per 150 gr Epinephelus sp. 105 µl was the best concentration in boosting the immune system in the tested Epinephelus sp., as indicated by a decreased CD8 count.