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Ookluc: A Plasmodium berghei Line for Identifying Transmission-blocking Compounds

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A pre-emptive strike against malaria's stealthy hepatic forms.

Dominique Mazier¹, Laurent Rénia, Georges Snounou

¹Dominique Mazier and Georges Snounou are at the Institut National de la Santé et de la Recherche Médicale U945, F-75013 Paris, France. dominique.mazier@upmc.fr

Nature Reviews. Drug Discovery

|October 31, 2009

Summary

New malaria drugs should target the parasite's liver stage, not blood stage. This approach could prevent disease and stop malaria transmission, aiding eradication efforts.

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Area of Science:

* Parasitology and Tropical Medicine
* Drug Discovery and Development

Background:

* Current antimalarial drugs primarily target asexual blood-stage Plasmodium parasites.
* Widespread drug resistance necessitates novel therapeutic strategies for malaria control.
* Existing treatments are insufficient to halt malaria transmission and achieve eradication.

Purpose of the Study:

* To advocate for the development of novel causal chemoprophylactic drugs.
* To target the obligate, short-lived hepatic forms of Plasmodium parasites.
* To prevent malaria pathology and interrupt parasite transmission.

Main Methods:

* Conceptual framework advocating for a shift in drug development targets.
* Focus on inhibiting the liver stage of the malaria parasite lifecycle.
* Literature review and analysis of current antimalarial drug limitations.

Main Results:

* Inhibition of hepatic-stage parasites offers a promising strategy for malaria control.
* Development of causal chemoprophylactic drugs can prevent disease onset.
* Interrupting liver-stage development can significantly reduce malaria transmission.

Conclusions:

* Targeting the hepatic stage of Plasmodium is crucial for effective malaria control and eradication.
* Causal chemoprophylaxis represents a vital strategy to overcome drug resistance.
* Novel drug development focusing on liver-stage inhibition is essential for global malaria elimination efforts.