Short Communication: Cloning, production and responses of the sMTL-13 protein (13 kDa lectin secretion) Mycobacterium tuberculosis against Interleukin 6

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DOI https://doi.org/10.13057/biodiv/d231215
Issue
Vol. 23 No. 12 (2022)
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Articles
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This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

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ROSANA AGUS ♥
Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Hasanuddin. Jl. Perintis Kemerdekaan Km.10, Tamalanrea, Makassar 90245, South Sulawesi, Indonesia
WA ODE SITI PURNAMASARI
Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Hasanuddin. Jl. Perintis Kemerdekaan Km.10, Tamalanrea, Makassar 90245, South Sulawesi, Indonesia
RISA DENGEN PARURA
Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Hasanuddin. Jl. Perintis Kemerdekaan Km.10, Tamalanrea, Makassar 90245, South Sulawesi, Indonesia
FERDINANDO SILANG
Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Hasanuddin. Jl. Perintis Kemerdekaan Km.10, Tamalanrea, Makassar 90245, South Sulawesi, Indonesia
MUHAMMAD NASRUM MASSI
Department of Microbiology, Faculty of Medical, Universitas Hasanuddin. Jl. Perintis Kemerdekaan Km.10, Tamalanrea, Makassar 90245, South Sulawesi, Indonesia

Abstract

Abstract. Agus R, Purnamasari WOS, Parura RD, Silang F, Massi MN. 2022. Short Communication: Cloning, production and responses of the sMTL-13 protein (13 kDa lectin secretion) Mycobacterium tuberculosis against Interleukin 6. Biodiversitas 23: 6208-6212. The Bacillus Calmette-Guérin (BCG) vaccine protected effect against meningitis and disseminated Tuberculosis TB in children. However, it does not prevent primary infection and reactivation of latent pulmonary infection. Therefore, an effective vaccine is needed to prevent tuberculosis. One of the potentials is the sMTL-13 protein (13 kDa lectin secretion), which causes an increase in interleukin 6 (IL-6) as a proinflammatory cytokine and shows high titers in the serum of TB patients. This study aimed to clone, express and evaluate the sMTL-13 recombinant protein. The research steps were ligation of Rv1419 to pQE-30Xa, transformation to Escherichia coli BL-21, and production of recombinant protein with IPTG induction. Furthermore, immunoreactivity tests with the serum of TB patients and healthy serum using ELISA. The results showed that the PCR product Rv1419 showed a band of 474 bp and white colonies as a recombinant clone of pQE-30Xa-Rv1419. The production of sMTL-13 recombinant protein has been successfully carried out and produces 13 kDa protein. The results of the immunoreactivity test showed that the serum level of IL-6 in patients with active TB was 84.22 pg/mL and the serum level of IL-6 in healthy people was 63.74 pg/mL.

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