Related Experiment Video
Updated: Jul 24, 2026
10:01
Quantification of Intracellular Growth Inside Macrophages is a Fast and Reliable Method for Assessing the Virulence of Leishmania Parasites
Published on: March 16, 2018
A new defined medium for cultivating Leishmania promastigotes
Acta Tropica
|June 1, 1985
Summary
Researchers developed a new chemically defined medium, MD-29, to cultivate Leishmania promastigotes. This optimized medium supports the growth of 19 Leishmania stocks for nutritional studies.
Area of Science:
- Parasitology
- Microbiology
- Cell Biology
Background:
- Leishmania parasites are protozoan pathogens responsible for leishmaniasis.
- Culturing Leishmania promastigotes is crucial for research, but requires optimized media.
- Existing media may not fully support the growth of diverse Leishmania stocks.
Purpose of the Study:
- To develop and describe a novel chemically defined medium for cultivating Leishmania promastigotes.
- To evaluate the efficacy of the new medium across multiple Leishmania stocks.
- To provide a reliable medium for investigating Leishmania nutritional requirements.
Main Methods:
- Modification of the AR-103 medium, originally designed for Trypanosoma cruzi.
- Qualitative and quantitative adjustments to the medium's composition.
- Testing the medium's ability to support the growth of 19 distinct Leishmania stocks.
Main Results:
- A new chemically defined medium, designated MD-29, was successfully developed.
- MD-29 supports the in vitro cultivation of promastigotes from 19 different Leishmania stocks.
- The medium's composition is suitable for studying parasite nutritional needs.
Conclusions:
- The MD-29 medium offers a robust and defined system for Leishmania promastigote culture.
- This development facilitates research into Leishmania biology and pathogenesis.
- MD-29 serves as a valuable tool for nutritional requirement studies in Leishmania research.
Related Concept Videos
01:30Leishmaniasis
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...
01:21Antiprotozoal 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...