News / Health

New Test Could Revolutionize Malaria Treatment

A young girl with malaria rests in the inpatient ward of the Malualkon Primary Health Care Center in Malualkon, in the South Sudanese state of Northern Bahr el-Ghazal, June 1, 2012.
A young girl with malaria rests in the inpatient ward of the Malualkon Primary Health Care Center in Malualkon, in the South Sudanese state of Northern Bahr el-Ghazal, June 1, 2012.
TEXT SIZE - +
A new diagnostic test could revolutionize the treatment of malaria, one of the world’s most persistent and deadly diseases, making it possible to diagnose the illness from a single drop of blood or saliva.

The test, developed by researchers at Aarhus University in Denmark, detects very low levels of an enzyme produced by the Plasmodium parasite, the organism that causes malaria. This could allow intervention before an outbreak develops, researchers say. 

“The great advantage of our method is that we can test for malaria using saliva samples and the the detection limit is very low - less than one parasite per microliter,” said Birgitta Knudsen, an associate professor at Aarhus University’s Interdisciplinary Nanoscience Centre and the Department of Molecular Biology and Genetics. “This means that it will be possible to also screen non-symptomatic individuals and discover cases with very low parasite concentrations. Hence, it will be possible to treat even mildly infected patients and thereby prevent outbreaks before it is too late.”

The two most common forms of malaria testing both require blood samples, and there are drawbacks to each. One requires a skilled technician to test the blood, while the other cannot detect low levels of the parasite, Knudsen said.

The new method, which uses a technology called REEAD (Rolling Circle-Enhanced Enzyme Activity Detection), could prove more time- and cost-effective than current diagnostic methods, and could be performed by personnel who have no specialized training. It could also be used in developing areas, where expensive equipment, clean water and electricity might not be readily available.

Knudsen said the team hopes to conduct extensive field testing in about two years.

The Danish team was assisted by molecular biologists, doctors, engineers and statisticians at various universities around the world including Duke University, the University of Rome, the University of St. Andrews and the University of Lyon.

The World Health Organization estimates that more than 650,000 people die from malaria each year. The vast majority are children in sub-Saharan Africa.

Earlier this month British drug manufacturer GlaxoSmithKline, revealed disappointing results for what would be the world’s first vaccination against the mosquito-borne disease.

You May Like

Multimedia Anti-Keystone XL Protests Continue

Demonstrators are worried about pipeline's effect on climate change, their traditional way of life, health and safety More

Thailand's Political Power Struggle Continues

Court gave Prime Minister Yingluck Shinawatra until May 2 to prepare her defense over abuse of power charges but uncertainty remains over election timing More

Malaysia Plane Search Tests Limits of Ocean Mapping Technology

Expert tells VOA existing equipment’s maximum operating depth is around 6 kilometers as operation continues on ocean bed for any trace of MH370 More

This forum has been closed.
Comment Sorting
Comments
     
by: littleyan from: China
November 29, 2012 9:26 PM
May this could really help.

Featured Videos

Your JavaScript is turned off or you have an old version of Adobe's Flash Player. Get the latest Flash player.
Pet Kangaroo Helps Spread Environmental Messagei
X
Penelope Poulou
April 22, 2014 5:53 PM
Children’s author Julia Heckathorn travels the world to learn about different ecosystems and endangered animals. She pours her knowledge into children’s books, hoping the next generation will right the environmental wrongs of our times. As in many children's books, the main character in Heckathorn's stories is an animal. Unlike those other characters, though, this one is real - a kangaroo, that lives in the author’s backyard. VOA’s Penelope Poulou has more.
Video

Video Pet Kangaroo Helps Spread Environmental Message

Children’s author Julia Heckathorn travels the world to learn about different ecosystems and endangered animals. She pours her knowledge into children’s books, hoping the next generation will right the environmental wrongs of our times. As in many children's books, the main character in Heckathorn's stories is an animal. Unlike those other characters, though, this one is real - a kangaroo, that lives in the author’s backyard. VOA’s Penelope Poulou has more.
Video

Video Pro-Russian Separatists Plan 'Federalization Referendum' in Eastern Ukraine

Pro-Russian separatists in eastern Ukraine say they plan to move forward next month with a referendum vote for greater autonomy, despite the Geneva agreement reached with Russia, the U.S. and Ukraine to end the political conflict. VOA's Brian Padden reports from the city of Donetsk in Eastern Ukraine.
Video

Video Pope Francis Hopes Dual Canonizations Will Reconcile Church

On April 27, two popes - John the XXIII and John Paul II - will be made saints in a ceremony at St. Peter’s Square. VOA religion correspondent Jerome Socolovsky says the dual canonization is part of the current pope’s program to reconcile liberals and conservatives in the Roman Catholic Church.
Video

Video In Capturing Nature's Majesty, Film Makes Case for Its Survival

French filmmaker Luc Jacquet won worldwide acclaim for his 2005 Academy Award-winning documentary "March of the Penguins". Now Jacquet is back with a new film that takes movie-goers deep into the heart of a tropical rainforest - not only to celebrate its grandeur, but to make the case for its survival. VOA's Rosanne Skirble reports.
Video

Video Boston Marathon Bittersweet for Many Runners

Monday's running of the Boston Marathon was bittersweet for many of the 36,000 participants as they finished the run that was interrupted by a double bombing last year. Many gathered along the route paid respect to the four people killed as a result of two bombings near the finish line. VOA's Carolyn Presutti returned to Boston this year to follow two runners, forever changed because of the crimes.
Video

Video International Students Learn Film Production in World's Movie Capital

Hollywood - which is part of Los Angeles - is the movie capital of the world, and many aspiring filmmakers go there in hopes of breaking into the movie business. Mike O'Sullivan reports that regional universities are also a magnet for students who hope to become producers or directors.
Video

Video Pacific Rim Trade Deal Proves Elusive

With the U.S.-led war in Iraq ended and American military involvement in Afghanistan winding down, President Barack Obama has sought to pivot the country's foreign policy focus towards Asia. One aspect of that pivot is the negotiation of a free-trade agreement among 12 Pacific Rim nations. But as Obama leaves this week on a trip to four Asian countries he has found it very difficult to complete the trade pact. VOA's Ken Bredemeier has more from Washington.
Video

Video Autistic Adults Face Housing, Job Challenges

Many parents of children with disabilities fear for the future of their adult child. It can be difficult to find services to help adults with disabilities - physical, mental or emotional - find work or live on their own. The mother of an autistic boy set up a foundation to advocate for the estimated 1.2 million American adults with autism, a developmental disorder that causes communication difficulties and often social difficulties. VOA's Faiza Elmasry reports.
AppleAndroid