The role of Bax in the apoptosis of Leishmania-infected macrophages

Abstract

Background

Leishmania is a protozoan parasite that nests in macrophages and is responsible for the Leishmaniasis disease. In spite of different defense pathways, last strategy of macrophage for killing parasite is apoptosis process. By permeableizing the mitochondrial outer membrane (MOM). As breaching MOM releases apoptogenic factors like cytochrome-c which activate caspases that result in the destruction of the cell. In this review, we summarized the appropriate manuscripts regarding the bax includes, its different types and the effect of bax on the apoptosis of Leishmania and parasite-infected macrophages

The role of Bax in the apoptosis of Leishmania-infected macrophages

Methods

Information about the role of BAX in the apoptosis of parasite-infected macrophage of recent articles were surveyed by searching computerized bibliographic database PubMed and Google Scholar entering the keywords BAX and leishmaniasis.

Results

The common studies revealed Leishmania use different survival strategies for inhibiting macrophage apoptosis. As Leishmania by preventing homooligomerization or upregulating the anti-apoptotic molecule Bcl-2 can prohibits proteins of host-cell apoptosis such as Bax that is required for mitochondrial permeabilisation during apoptosis.

Conclusion

With regard to the supportive role of bax in apoptosis and the preventive role of Leishmania in its function, it seems that expression of bax gene in parasite by technologies like transgenic or down regulating of anti-apoptotic molecule Bcl-2 by miRNA could be prompted the apoptosis process of infected-macrophages and inhibited extensive spread of Leishmania and the resulting lesions.

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