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Proteomics Profiling of Chikungunya-Infected Aedes albopictus C6/36 Cells Reveal Important Mosquito Cell Factors in Virus Replication
In this study, the CHIKV-infected C6/36 cells with differential cellular proteins expression were profiled using two-dimensional gel electrophoresis (2DE) coupled with the use of matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). 2DE analysis on CHIKV-infected C6/36 cells has shown 23 mosquito cellular proteins that are differentially regulated, and which are involved diverse biological pathways, such as protein folding and metabolic processes. Among those identified mosquito proteins, spermatogenesis-associated factor, enolase phosphatase e-1 and chaperonin-60kD have been found to...
Source: PLoS Neglected Tropical Diseases - March 4, 2015 Category: Tropical Medicine Authors: Regina Ching Hua Lee et al. Source Type: research

Macropinocytosis Dependent Entry of Chikungunya Virus into Human Muscle Cells
This study shows for the first time, that the infectious entry of CHIKV into human muscle cells is mediated by macropinocytosis. Together, the da ta from this study may pave the way for the development of specific inhibitors that target the entry process of CHIKV into cells.
Source: PLoS Neglected Tropical Diseases - August 25, 2019 Category: Tropical Medicine Authors: Ching Hua, Regina Lee Source Type: research

Chikungunya virus requires cellular chloride channels for efficient genome replication
In this study, we investigated the role of host-cell chloride (Cl-) channels on CHIKV replication.We demonstrate that specific pharmacological Cl- channel inhibitors significantly inhibit CHIKV replication in a dose-dependent manner, suggesting that Cl-channels are pro-viral factors in human cells. Further analysis of the effect of the inhibitors on CHIKV attachment, entry, viral protein expression and replicon replication demonstrated that Cl- channels are specifically required for efficient CHIKV genome replication. This was conserved in mosquito cells, where CHIKV replication and genome copy number was significantly red...
Source: PLoS Neglected Tropical Diseases - September 3, 2019 Category: Tropical Medicine Authors: Marietta M üller Source Type: research