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Proteomics and Leishmaniasis: Potential Clinical Applications.

Janaína Capelli-Peixoto1, Simon Ngao Mule2, Fabia Tomie Tano1

  • 1Leishmaniasis laboratory, Institute of Biomedical Sciences, Department of Parasitology, University of São Paulo, São Paulo, Brazil.

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Proteomics offers new ways to diagnose and treat leishmaniasis, a widespread parasitic disease. This approach aids in identifying drug resistance, disease markers, and potential vaccine candidates for better patient outcomes.

Keywords:
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Area of Science:

  • Parasitology
  • Biochemistry
  • Medical Entomology

Background:

  • Leishmaniases are neglected tropical diseases caused by Leishmania parasites, endemic in 98 countries, affecting millions globally.
  • Current treatments for leishmaniasis are limited, often toxic, ineffective, and face challenges from drug resistance and diverse clinical presentations.
  • Accurate diagnosis of leishmaniasis can be complex due to atypical manifestations and co-infections.

Purpose of the Study:

  • To review the application of proteomic data in addressing key challenges in leishmaniasis.
  • To explore proteomics' role in understanding chemotherapy resistance, diagnosis, and clinical form differentiation.
  • To assess the potential of proteomics in identifying virulence factors and vaccine candidates.

Main Methods:

  • Comprehensive review of existing proteomic studies related to Leishmania parasites.
  • Analysis of proteomic data for biomarker discovery in diagnosis, prognosis, and treatment monitoring.
  • Discussion of proteomics' contribution to understanding parasite biology and host-pathogen interactions.

Main Results:

  • Proteomics has identified potential biomarkers for diagnosing active leishmaniasis in humans and canines.
  • Proteomic insights aid in distinguishing different clinical forms and understanding parasite resistance mechanisms.
  • Proteomics contributes to identifying virulence factors and potential vaccine targets for leishmaniasis.

Conclusions:

  • Proteomics has demonstrated significant potential in advancing leishmaniasis diagnosis, prognosis, and therapeutic strategies.
  • Despite its contributions, the full capabilities of proteomics for routine clinical applications in leishmaniasis remain underexplored.
  • Further research and development are needed to translate proteomic discoveries into practical clinical tools for leishmaniasis management.