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Review Article

Targeting Cysteine Proteases and their Inhibitors to Combat Trypanosomiasis

[ Vol. 31 , Issue. 16 ]


Aloke Saha, Pushpa, Susmita Moitra, Deblina Basak, Sayandeep Brahma, Dipu Mondal, Sabir Hossen Molla*, Asmita Samadder* and Sisir Nandi*   Pages 2135 - 2169 ( 35 )


Background: Trypanosomiasis, caused by protozoan parasites of the Trypanosoma genus, remains a significant health burden in several regions of the world. Cysteine proteases play a crucial role in the pathogenesis of Trypanosoma parasites and have emerged as potential therapeutic targets for the development of novel antiparasitic drugs.

Introduction: This review article aims to provide a comprehensive overview of the role of cysteine proteases in trypanosomiasis and their potential as therapeutic targets. We discuss the biological significance of cysteine proteases in Trypanosoma parasites and their involvement in essential processes, such as host immune evasion, cell invasion, and nutrient acquisition.

Methods: A comprehensive literature search was conducted to identify relevant studies and research articles on the role of cysteine proteases and their inhibitors in trypanosomiasis. The selected studies were critically analyzed to extract key findings and provide a comprehensive overview of the topic.

Results: Cysteine proteases, such as cruzipain, TbCatB and TbCatL, have been identified as promising therapeutic targets due to their essential roles in Trypanosoma pathogenesis. Several small molecule inhibitors and peptidomimetics have been developed to target these proteases and have shown promising activity in preclinical studies.

Conclusion: Targeting cysteine proteases and their inhibitors holds great potential for the development of novel antiparasitic drugs against trypanosomiasis. The identification of potent and selective cysteine protease inhibitors could significantly contribute to the combat against trypanosomiasis and improve the prospects for the treatment of this neglected tropical disease.


Trypanosomiasis, Trypanosoma brucei, Trypanosoma cruzi, cysteine protease inhibitors, cruzain, rhodesain (TbCatL), cathepsin B (TbCatB).


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