Navigation Links
New hope for advances in treating malaria
Date:4/22/2009

Researchers at the University of Leeds have developed chemicals which kill the most deadly malaria-causing parasite, Plasmodium falciparum including those resistant to existing drugs.

The compounds work by preventing the enzyme dihydroorotate dehydrogenase (DHODH) - essential to the growth of the parasite - from working, which results in its death.

Says lead researcher Dr Glenn McConkey, from Leeds' Faculty of Biological Sciences: "Without this enzyme, Plasmodium falciparum is unable to grow and therefore it dies. The inhibitors developed at Leeds bind to the DHODH enzyme in the parasite and stop it functioning, preventing the proliferation of the parasites, which live in red blood cells. In addition, our chemicals are equally effective against parasites that have developed resistance to drugs."

He adds: "DHODH in humans is not an essential enzyme, so by concentrating our studies on it we can develop chemical inhibitors that have a negative impact on the parasite without any major side-effects to the human host. In effect we are exploiting a biological difference, and this will allow us to develop potent, selective inhibitors."

According to the World Health Organisation (WHO), malaria kills a million people across the globe each year, with forty per cent of the world's population at risk of contracting the disease. WHO also estimates that a child dies from malaria every 30 seconds.

Dr McConkey says: "Our chemicals are particularly exciting as they kill malaria parasites at low concentrations, something that is important for medicines as they are massively diluted on entering the bloodstream and, unlike many pharmaceutical products, we have a firm understanding of the molecular basis of their action. This project highlights the benefits of combining biological and chemistry disciplines."

Dr McConkey says the next stage of this research is to develop a larger collection of potent inhibitors and to see how these chemicals work alongside commonly used treatments.

"The parasites responsible for malaria have been very effective at developing resistance to existing drugs and efforts to find replacements are often stymied by the rate of resistance. Therefore it is essential that new products work effectively in combination with those already on the market," he says.


'/>"/>

Contact: Jo Kelly
jokelly@campuspr.co.uk
44-113-258-9880
University of Leeds
Source:Eurekalert

Related biology news :

1. Restoring sight, advances in fertility treatments and better visibility for pilots at FIO
2. Cardiologists and heart surgeons meet for Controversies and Advances conference
3. Lockheed Martin Advances Biometrics Portfolio Through Cooperation Agreement With Cognitec
4. Genetic Engineering & Biotechnology News reports on advances in miRNA
5. Prototype terahertz imager promises biochem advances
6. Science expands Science Signaling, featuring research related to medical advances, and more
7. Analysis of RNA role in spreading disease advances study of damaging plant infections
8. Iowa State-ConocoPhillips collaboration advances 26 research projects in first year
9. Brown to host conference on advances in neurotechnology
10. Latest advances in interventional cardiology for congenital heart disease presented
11. Advances in the field of schizophrenia research: New genetic factors identified
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:5/12/2016)... 2016 WearablesResearch.com , a brand of ... results from the Q1 wave of its quarterly wearables ... consumers, receptivity to a program where they would receive ... insurance company. "We were surprised to see ... Michael LaColla , CEO of Troubadour Research, "primarily because ...
(Date:4/28/2016)... , April 28, 2016 Infosys ... (NYSE: INFY ), and Samsung SDS, a global ... that will provide end customers with a more secure, fast ...      (Logo: http://photos.prnewswire.com/prnh/20130122/589162 ) , ... but it also plays a fundamental part in enabling and ...
(Date:4/26/2016)... -- Research and Markets has announced the ...  report to their offering.  , ,     (Logo: ... forecast the global multimodal biometrics market to grow ... 2016-2020.  Multimodal biometrics is being implemented ... healthcare, BFSI, transportation, automotive, and government for controlling ...
Breaking Biology News(10 mins):
(Date:6/27/2016)... , ... June 27, 2016 , ... ... bring innovative medical technologies, services and solutions to the healthcare market. The company's ... of various distribution, manufacturing, sales and marketing strategies that are necessary to help ...
(Date:6/27/2016)... 2016  Liquid Biotech USA ... a Sponsored Research Agreement with The University of ... from cancer patients.  The funding will be used ... with clinical outcomes in cancer patients undergoing a ... be employed to support the design of a ...
(Date:6/24/2016)... on a range of subjects including policies, debt and investment ... Speaking at a lecture to the Canadian Economics ... the country,s inflation target, which is set by both the ... "In certain areas there needs to be frequent ... not sit down and address strategy together?" He ...
(Date:6/24/2016)... ... June 24, 2016 , ... While the majority of commercial ... Cary 5000 and the 6000i models are higher end machines that use the more ... the spectrophotometer’s light beam from the bottom of the cuvette holder. , FireflySci ...
Breaking Biology Technology: