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Updated: Jun 12, 2026

High Yield Purification of Plasmodium falciparum Merozoites For Use in Opsonizing Antibody Assays

High Yield Purification of Plasmodium falciparum Merozoites For Use in Opsonizing Antibody Assays

Published on: July 17, 2014

New synchronization method for Plasmodium falciparum.

Lisa C Ranford-Cartwright¹, Abhinav Sinha, Georgina S Humphreys

¹Division of Infection and Immunity, Faculty of Biomedical and Life Sciences, University of Glasgow, Glasgow Biomedical Research Centre, Glasgow G12 8TA, Scotland. L.ranford-cartwright@bio.gla.ac.uk

Malaria Journal

|June 23, 2010

Summary

This summary is machine-generated.

A new method synchronizes Plasmodium falciparum parasites in vitro to a 30-minute age range. This technique enhances parasite synchronization for malaria research.

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Area of Science:

Malaria research
Parasitology
Cell biology

Background:

Plasmodium falciparum cultures are typically asynchronous.
Existing synchronization methods have limited effectiveness in narrowing parasite age ranges.

Purpose of the Study:

To describe a novel method for achieving high-level synchronization of Plasmodium falciparum in vitro.
To enable parasite cultures with a minimal age variation for research applications.

Main Methods:

Enrichment of late-stage parasites (trophozoites and schizonts) using Plasmion.
Immobilization of enriched parasites as a monolayer on Petri dishes using concanavalin A.
Invasion of fresh erythrocytes by merozoites released from synchronized schizonts.

Main Results:

Plasmion treatment yields a 10- to 13-fold enrichment of late-stage Plasmodium falciparum.
The monolayer method achieves highly synchronized parasite cultures with invasion windows as short as 30 minutes.
The method is cost-effective and requires no specialized equipment.

Conclusions:

A new, effective method for synchronizing Plasmodium falciparum parasite populations has been developed.
This technique provides highly synchronized parasite cultures, crucial for studying the parasite's asexual cell cycle.