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Related Concept Videos

Antiprotozoal Agents01:21

Antiprotozoal Agents

Leishmaniasis is a widespread parasitic disease caused by several Leishmania species. It affects millions of people each year and remains a major public health problem in endemic regions. First-line treatment relies on pentavalent antimonials, including meglumine antimoniate and sodium stibogluconate. Even so, how these drugs work has not been fully clear, especially their interaction with parasite-specific biochemical pathways. One key target is trypanothione reductase (TR), an enzyme that...
Leishmaniasis01:30

Leishmaniasis

Leishmaniasis is a protozoal disease caused by species of the genus Leishmania and transmitted through the bite of infected female sandflies. The parasite exists in two principal morphological forms during its life cycle. A sandfly acquires intracellular amastigotes from an infected reservoir host, such as a dog. Within the sandfly, these forms differentiate into motile, flagellated promastigotes. During a subsequent blood meal, promastigotes are injected into the human host, where they...
Targets for Drug Action: Overview01:26

Targets for Drug Action: Overview

Drugs target macromolecules to modify ongoing cellular processes. Primary drug targets include receptors, ion channels, transporters, and enzymes.
Receptors are either membrane-spanning or intracellular proteins, which upon binding a ligand, get activated and transmit the signal downstream to elicit a response. Drugs bind receptors, either mimicking the action of endogenous ligands or blocking the receptor activity to bring about a modified response. Nearly 35% of approved drugs target the G...
Anthelminthic Agents01:15

Anthelminthic Agents

Anthelmintic drugs differ significantly from antiparasitic therapies targeting protozoa, primarily due to differences in parasite biology. Whereas most protozoal treatments act on proliferating cells, anthelmintics are typically directed against mature, nonproliferative helminths. The therapeutic approach considers the helminth's reliance on neuromuscular coordination, glucose metabolism, and microtubular integrity for survival, reproduction, and localization within the host. Most anthelmintics...

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Related Experiment Video

Updated: Jun 2, 2026

Deciphering the Molecular Mechanism and Function of Pore-Forming Toxins Using Leishmania major
08:17

Deciphering the Molecular Mechanism and Function of Pore-Forming Toxins Using Leishmania major

Published on: October 28, 2022

Drug targets in Leishmania.

Bhavna Chawla1, Rentala Madhubala

  • 1School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067 India.

Journal of Parasitic Diseases : Official Organ of the Indian Society for Parasitology
|April 29, 2011
PubMed
Summary

Leishmaniasis control relies on chemotherapy due to a lack of vaccines. This review explores essential Leishmania metabolic pathways as novel drug targets to combat drug resistance in leishmaniasis.

Area of Science:

  • Parasitology
  • Molecular Biology
  • Drug Discovery

Background:

  • Leishmaniasis poses a significant global health challenge, with no available vaccines.
  • Current treatment relies on chemotherapy, but drug resistance is a growing concern.
  • Limited drug options necessitate the identification of new therapeutic strategies.

Purpose of the Study:

  • To review essential metabolic pathways in Leishmania parasites.
  • To identify potential novel drug targets for leishmaniasis treatment.
  • To highlight the importance of a multi-disciplinary approach in drug discovery.

Main Methods:

  • Genomic data analysis of Leishmania major and Leishmania infantum.
  • Identification of unique parasitic cellular processes and metabolic pathways.
Keywords:
Drug targetsLeishmaniaLeishmaniasisMetabolic pathways

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Quantification of Intracellular Growth Inside Macrophages is a Fast and Reliable Method for Assessing the Virulence of Leishmania Parasites
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  • Literature review of essential pathways for parasite survival.

    • Main Results:

    • Leishmania parasites possess distinct metabolic pathways not found in mammalian hosts.
    • Genomic information provides opportunities for novel drug target identification.
    • Several essential metabolic pathways are highlighted as promising targets.

    Conclusions:

    • Targeting unique Leishmania metabolic pathways offers a promising strategy for new drug development.
    • A multi-disciplinary approach, from target characterization to compound screening, is crucial.
    • Identifying novel drug targets is the critical first step in combating leishmaniasis.