Malaria remains a major public health problem in most tropical and subtropical countries, including Indonesia. Severe malaria has a high mortality rate despite treatment with effective antimalarial drug. Pro-inflammatory cytokines such as Tumor Necrosis Factor-alfa (TNF-α) is raised in severe malaria. In South Kalimantan, the kelakai (Stenochlaena palustris (Burm.f) Bedd) has few uses for treat fever and infectious diseases. It contains bioactive substances, such as flavonoids, steroids, and alkaloids which have been reported to exert multiple biological effects, including anti-inflammatory action. The aim of this study is to find out the potential of kelakai extract (KE) againts TNF-α level in BALB/c mice infected P. berghei ANKA. The research is true experimental study, Posttest-only with Control Group Design. Teatment groups were devided into 4 groups treated with 10 mg/kg BW, 100 mg/kg BW of KE, and 36,4 mg/kg BW artesunate orally (positive control), 3 hours post infection and when parasitemia reached 15-20%. Negative controls were without KE treatment and P. berghei infection. Treatment were given for four days. Blood was collected 24 hours after the last treatment. Plasma TNF-α level were measured by sandwich ELISA. Data was analyzed by using Kruskal-Wallis Test, confidence rate at 95%. There was a significant different between treatment groups, where p = 0,000 (p < 0,05). KE potential to inhibit TNF-α production in Pb3K100A- group (p = 0,047).Keywords : Malaria, TNF-α, Stenochlaena palustris Abstrak: Malaria masih menjadi masalah kesehatan utama pada sebagian besar negara tropis dan subtropis, termasuk Indonesia. Malaria berat menyebabkan angka kematian yang tinggi meskipun telah mendapat obat anti malaria yang efektif. Sitokin pro-inflamasi seperti TNF-α meningkat pada malaria berat. Di Kalimantan Selatan, tanaman kelakai digunakan untuk mengobati demam dan penyakit infeksi. Kelakai mengandung senyawa-senyawa bioaktif antara lain flavonoid, steroid, dan alkaloid yang dilaporkan banyak memiliki efek biologis, termasuk aktivitas anti-inflamasi. Tujuan penelitian ini adalah untuk mengetahui potensi ekstrak kelakai terhadap kadar TNF-α pada mencit BALB/c yang diinfeksi P. berghei ANKA. Penelitian ini merupakan studi eksperimental murni dengan Posttest-only with Control Group Design. Kelompok perlakuan dibagi menjadi 4 yaitu kelompok yang mendapat ekstrak kelakai per oral 10 mg/kg BB, 100 mg/kg BB, artesunat 36,4 mg/kg BB (kontrol positif) 3 jam setelah infeksi dan pada saat parasitemia mencapai 15-20%. Kontrol negatif tidak mendapat ekstrak kelakai, artesunat, dan infeksi parasit. Perlakuan diberikan selama 4 hari. Sampel darah diambil 24 jam setelah perlakuan terakhir. Kadar TNF-α diukur dengan ELISA metode sandwich. Data dianalisa dengan Uji Kruskal-Wallis, dengan tingkat kepercayaan 95%. Terdapat perbedaan bermakna antar kelompok perlakuan, nilai p = 0,000 (p<0,05). Ekstrak kelakai berpotensi menghambat produksi TNF-α pada kelompok Pb3K100A- (p = 0,047). Kata-kata kunci : Malaria, TNF-α, Stenochlaena palustris
: Interleukin-10 as pro-inflammatory cytokines have a role to protect the damage of severe malaria. Kelakai contain bioactive compounds that have anti-inflammatory activity. The purpose of this study was to determine the potential of the extract kelakai on levels of IL-10 in mice BALB / s infected by P. berghei ANKA. This study is true experimental studies with posttest-only with Control Group Design. The treatment group was divided into 8 groups. Two groups received kelakai extract per oral 10 mg/kgBW and 100 mg/kgBW. Four groups received kelakai extract per oral 10 mg/kgBW and 100 mg/kgBW 3 hours after infection and when the parasitaemia reaches 15-20%. Negative controls do not receive the extract kelakai and parasitic infections. Positive controls get a parasitic infection. Treatment was given for 4 days. Blood samples were taken 24 hours after the last treatment. Levels of IL-10 were measured by sandwich ELISA method. Data were analyzed with Games Howell test, with a confidence level of 95%. There were no significant differences between treatment groups. Extract kelakai Giving oral dose of 10 mg/KgBW and 100 mg/KgBW not significantly increase the levels of interleukin-10. Keywords: Stenochlaena palustris (Burm.f) bedd; Interleukin-10 Abstrak : Interleukin-10 sebagai Sitokin pro-inflamasi memiliki peran melindungi kerusakan pada malaria berat. Kelakai mengandung senyawa bioaktif yang mempunyai aktifitas anti-inflamasi. Tujuan penelitian ini adalah untuk mengetahui potensi ekstrak kelakai terhadap kadar IL-10 pada mencit BALB/s yang diinfeksi P. berghei ANKA. Penelitian ini merupakan studi eksperimental murni dengan Posttest-only with Control Group Design. Kelompok perlakuan dibagi menjadi 8 kelompok. Dua kelompok mendapat ekstrak kelakai per oral 10 mg/kg berat badan dan 100 mg/kg berat badan. Empat kelompok mendapat ekstrak kelakai per oral 10 mg/kg berat badan dan 100 mg/kg berat badan 3 jam setelah infeksi dan pada saat parasitemia mencapai 15-20%. Kontrol negatif tidak mendapat ekstrak kelakai dan infeksi parasit. Kontrol positif mendapat infeksi parasit. Perlakuan diberikan selama 4 hari. Sampel darah diambil 24 jam setelah perlakuan terakhir. Kadar Il-10 diukur dengan ELISA metode sandwich. Data dianalisa dengan tes Games Howell, dengan tingkat kepercayaan 95%. Tidak didapatkan perbedaan bermakna antar kelompok perlakuan. Pemberian Ekstrak kelakai secara oral dosis 10 mg/Kg berat badan dan 100 mg/Kg berat badan tidak signifikan meningkatkan kadar Interleukin-10. Kata-kata Kunci : Stenochlaena palustris (Burm.f) Bedd; Interleukin-10
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