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All Journal Indonesian Journal of Tropical and Infectious Disease Indonesian Journal of Clinical Pathology and Medical Laboratory (IJCPML) Narra J
Yohan, Benediktus
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Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Health Professions Immunology & microbiology Medicine & Pharmacology Neuroscience Public Health

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DISTRIBUSI SEROTIPE DENGUE DI SURABAYA TAHUN 2012 Aryati, Aryati; Wardhani, Puspa; Yohan, Benediktus; Aksono H, Eduardus Bimo; Sasmono, R. Tedjo
INDONESIAN JOURNAL OF CLINICAL PATHOLOGY AND MEDICAL LABORATORY Vol 19, No 1 (2012)
Publisher : Indonesian Association of Clinical Pathologist and Medical laboratory

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24293/ijcpml.v19i1.387

Abstract

The characteristics of epidemic dengue often presented as periods of hyperendemicity or as the co-circulation of multiple dengue serotypes. Surabaya is an endemic city for Dengue virus (DENV) transmission. Previous study of DENV distribution in 2008-2009 revealed the predominance of DENV-2. DENV serotypes distribution is known to be dynamic and serotype predominance may change through time. This study aims to determine and follow the circulation of DENV serotype in Surabaya in 2012. We recruited 154 denguesuspected patients attending Dr. Soetomo Hospital during February until August 2012. Dengue cases were confirmed by IgG and IgM serology tests and NS1 antigen detection. Serologically-positive samples were further analyzed using two-steps reverse transcriptasepolymerase chain reaction (RT-PCR) and viruses were isolated by propagation in C6/36 mosquito cell line. Seventy one cases (46.1%) were detected as DENV positive infection. Serotyping revealed that 61 samples have monotypic infection with one of all four of DENV serotypes and 10 samples have mix-infections. Overall serotyping result observed the predominance of DENV-1 (60.56%). Our result revealed the circulation of all four serotypes of DENV and the presence of serotype exchange in Surabaya in 2012. Annual change of predominant serotype and the presence of multiple infections may play an important role in the transmission of dengue infection. This information is valuable to dengue surveillance in the region. Therefore, the laboratory diagnosis of DENV serotype should be routinely performed to follow the dynamic of dengue disease
EXPRESSION OF FOUR CYTOKINE/CHEMOKINE GENES IN PERIPHERAL BLOOD MONONUCLEAR CELLS INFECTED WITH DENGUE VIRUS Sri Masyeni, Dewa Ayu Putri; Hadi, Usman; Kuntaman, Kuntaman; Yohan, Benediktus; Margyaningsih, Nur Ita; Sasmono, R Tedjo
Indonesian Journal of Tropical and Infectious Disease Vol. 7 No. 4 (2019)
Publisher : Institute of Topical Disease Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (193.265 KB) | DOI: 10.20473/ijtid.v7i4.7860

Abstract

Overproduction of numerous pro-inflammatory cytokines, during dengue virus (DENV) infection, has been related to plasma leakage in the vascular endothelium and studied elsewhere with conflicting results. The current study objective is to evaluate the expression of four cytokine/chemokine genes following DENV-2 infection within peripheral blood mononuclear cells (PBMC) isolated from a healthy donor. Venous blood was drawn,  and PBMCs were isolated using Ficoll density gradient centrifugation. Cells were maintained in culture medium and infected with Indonesian isolate of DENV-2. Cells were harvested and followed by total RNA extraction and reverse-transcription into cDNA using oligo d(T) primers and Reverse Transcriptase enzyme system. The SYBR Green-based quantitative qRT-PCR was used to calculate the relative expression of IL-6, IL-8, IP-10 and MIP-1β- encoding genes during infection time points, compared to uninfected cell controls. The observation of the cytokine was on the 6 and 18 hours post-infection. The different expression profiles of cytokines/chemokines were observed. The up-regulation of gene expression was observed for IL-8 and IP-10. In contrast, the down-regulatory of IL-6 and MIP-1β genes expression was documented during the infection period. The cytokine IL-8 and IP-10 are potent chemoattractants  in the recruitment  of neutrophil, basophil, and lymphocytes in response to an infection. The highlight of this study is on the up-regulation of IL-8 and IP-10 genes expression which may confirm the roles of these chemokines in the pathogenesis of dengue infection.
Correlation of miR-150, hsa-let-7e, and miR-146a and gene expression of IL-6, IL-8, IP-10, and MIP-1β during dengue virus infection Masyeni, Sri; Kuntaman, Kuntaman; Aryati, Aryati; Sofro, Muchlis AU; Hadi, Usman; Mastutik, Gondo; Purnomo, Windu; Santosa, Agus; Yohan, Benediktus; Nelwan, Erni Juwita; Sasmono, R. Tedjo
Narra J Vol. 1 No. 1 (2021): April 2021
Publisher : Narra Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52225/narraj.v1i1.31

Abstract

Growing evidence suggests that microRNAs (miRNAs) play a pivotal role in viral infection. The objective of this study was to assess the association between the expression of miR-150, hsa-let-7e, and miR-146a on cytokine expression during dengue infection. Dengue virus (DENV) strain SJN-006, a serotype 2 DENV strain of the Cosmopolitan genotype, isolated in Bali, Indonesia, was used to infect peripheral blood mononuclear cells (PBMCs) isolated from healthy individuals. The relative gene expressions of miR-150, hsa-let-7e, and miR-146a as well as the gene expression of cytokines (IL-6, IL-8, IP-10, and MIP-1β) were determined using quantitative real time - polymerase chain reaction (qRT-PCR) at 6, 12 and 24 hours post infection (hpi). Correlations between the microRNAs and cytokines were analyzed by means of causality tests. Our data suggests that miR-150 and hsa-let-7e were significantly higher in infected-PBMCs after 12 hpi compared to the uninfected-PBMCs (p<0.05). The causality tests demonstrated that miR-150 and hsa-let-7e were negatively correlated with IL-8 expression, meanwhile miR-146a was the contrast. DENV infection was negatively and positively correlated with miR-150 and hsa-let-7e, respectively, after 24 hpi. In conclusion, our data demonstrates the vital role of miR-150, hsa-let-7e, and miR-146a in regulating IL-8 expression with possible different pathways.
The role of mediator suppressor of cytokine signaling (SOCS), toll-like receptor 3 (TLR-3) and nuclear factor kappa B (NFκB) on cytokine production during dengue virus infection Masyeni, Sri; Kuntaman, Kuntaman; Aryati , Aryati; Sofro, Muchlis AU.; Hadi, Usman; Mastutik, Gondo; Purnomo, Windu; Santosa, Agus; Iqhrammullah, Muhammad; Yohan, Benediktus; Nelwan, Erni J.; Sasmono, R. Tedjo
Narra J Vol. 3 No. 2 (2023): August 2023
Publisher : Narra Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52225/narra.v3i2.167

Abstract

Inability to understand the pathogenesis of severe dengue, in particular the control mechanism of immune responses, has led to high mortality rate for patients with dengue shock syndrome (DSS). The aim of this study was to determine the control mechanism of cytokine production by mediator suppressor of cytokine signaling (SOCS), toll-like receptor 3 (TLR-3) and nuclear factor kappa B (NFκB) during DENV infection. Peripheral blood mononuclear blood cells (PBMC), isolated from healthy individuals, were infected with dengue virus (DENV)-2 strain SJN-006 Cosmopolitan genotype (isolated from Bali, Indonesia). The relative gene expression of SOCS-3, TLR-3, NFκB, and the cytokine genes (interleukin (IL)-6, IL-8, interferon inducible protein 10 (IP-10), and macrophage inflammatory protein-1 beta (MIP-1β)) were measured using qRT-PCR at 6, 12 and 24 hours post infection (hpi). Student t-test and Mann-Whitney test were used to compare the gene expressions while causal correlations were analyzed using regression test and path analyses. DENV-2 infection increased the gene expression of SOCS-3, TLR-3, and NFκB after 12 and 24 hpi. The expression of IL-6, IL-8, IP-10, and MIP-1β genes was increased and peaked at different times post-infection. NFκB and SOCS-3 genes likely have role in the upregulation of IL-8 and IL-6 gene expression, respectively. MIP-1β gene expression was significantly induced by both NFκB and SOCS-3. In conclusion, our study suggested that SOCS-3, TLR-3, and NFκB are important in regulating the production of IL-6, IL-8, IP-10, MIP-1β during early phase of DENV-2 infection. This enriches our understanding on pathogenesis pathway of DENV-associated cytokine storm.
Co-Authors Agus Santosa Aksono H, Eduardus Bimo Aryati , Aryati Aryati Aryati Erni J. Nelwan, Erni J. Erni Juwita Nelwan, Erni Juwita Gondo Mastutik Iqhrammullah, Muhammad Kuntaman Kuntaman Margyaningsih, Nur Ita Masyeni, Sri Muhammad Rivai Purnomo, Windu Sasmono, R. Tedjo Sofro, Muchlis AU Sofro, Muchlis AU. Sri Masyeni, Dewa Ayu Putri Usman Hadi