Research on malaria and the fight against it. Covers red-blood-cell inflammation, malaria resurgence, drug-resistant parasites, and mosquito-based control.
A global malaria risk map has been released, revealing high-risk areas and providing estimates of people living in low-risk zones. The map identifies regions where existing control strategies can be used to eliminate P. falciparum transmission, potentially reducing deaths in sub-Saharan Africa.
A global malaria map reveals a significant reduction in risk, with 1 billion people under lower infection rates. The map, produced by the Malaria Atlas Project, provides critical data for targeted control measures and potential elimination efforts.
A new global malaria map highlights the 2.37 billion people at risk from Plasmodium falciparum, with almost one billion in areas where the risk of infection is extremely low. The map aims to help researchers and funding agencies allocate resources more effectively by understanding the relative risk affecting different regions.
A study found that 9.6% of US military personnel deployed to Afghanistan had contraindications to mefloquine use, highlighting the need for proper medical screening before prescribing. The research also noted a significant gender disparity, with females being twice as likely to have contraindications.
A collaborative study found that fake anti-malarial drugs, containing potentially toxic ingredients, were manufactured in China. The counterfeiters included dangerously small amounts of artesunate to fool screening tests, but these doses are too low to treat malaria effectively, encouraging the spread of resistant parasites.
A vitamin A and zinc supplement reduced malaria incidence by 34% in young children, according to a randomized double-blind trial. The supplementation also increased time to onset of malarial symptoms and reduced episode frequency.
Researchers are conducting trials for a new malaria vaccine using a genetically-modified chimpanzee adenovirus to stimulate an immune response. The goal is to develop a combination product targeting both liver and blood stages of the parasite to prevent infection.
A candidate malaria vaccine showed strong immune responses in a small clinical trial conducted in Mali, where it was tested on 40 adults and is now being expanded to 400 children. The trial's promising results could provide new hope for fighting the disease that claims over 1 million lives annually.
Researchers found Plasmodium knowlesi, a monkey malaria parasite, is widely distributed in Malaysia and sometimes fatal. Accurate diagnosis and treatment are crucial to prevent rapid onset of complications and death.
Researchers genetically engineered a mosquito to release sea-cucumber protein, which impairs malaria parasite development in the insect's gut. The study shows promise for preventing transmission of malaria by disrupting parasite growth and development.
Researchers at Case Western Reserve University School of Medicine have identified a Duffy binding protein-based vaccine that could provide protection against P. vivax malaria. The vaccine targets the specific interaction between the parasite and human red blood cells, offering a promising path toward eliminating the disease.
Researchers have developed a new technique to detect malaria infection in human blood using lasers and non-linear optical effects, eliminating the need for slides and microscopes. The technique holds promise for simpler, faster, and labor-intensive detection of the malaria parasite.
Researchers genetically engineered mosquitoes to release a sea-cucumber protein that impairs malaria parasite development, potentially preventing transmission. The study shows promising results but still requires further work before being effective in real-world scenarios.
The Global Health Group, led by Sir Richard Feachem, will focus on malaria eradication and private sector strengthening in developing countries. The team aims to overcome current bottlenecks and test new approaches on a large scale.
A groundbreaking study measures gene activity in malaria parasites in humans for the first time, revealing three distinct biological states and their connection to the body's inflammatory response. These findings may help explain the varying courses of the disease in patients.
Scientists discovered three biological classes of malaria parasites with distinct metabolic states, including one linked to patient symptoms. The findings suggest a possible correlation between parasite behavior and disease severity.
Researchers have developed a genetic identity card for Plasmodium falciparum populations, revealing high genetic diversity and inbreeding rates. The study's findings can help predict changes in genes involved in drug resistance, enabling targeted therapies to minimize resistance development.
Scientists use NASA satellites to monitor environmental changes, predicting infectious disease outbreaks like Ebola, West Nile virus, and Rift Valley Fever. Malaria surveillance also benefits from this technology, providing public health organizations with increased warning time to respond to outbreaks.
Research in Zanzibar, Tanzania found a remarkable fall in children dying from malaria, with deaths among the islands' children dropping to a quarter of the previous level. The achievement follows the introduction of improved treatment and the implementation of widespread use of insecticide-treated mosquito nets.
The Johns Hopkins Malaria Research Institute has made significant advancements in understanding and combating malaria, with new discoveries including a potential transmission-blocking vaccine and improved treatments. The institute's research has the potential to save millions of lives worldwide.
Experts from the American Society of Tropical Medicine and Hygiene meet to address global health concerns and share research on infectious diseases such as Chagas and Dengue fever, which pose a threat to the US blood supply. Researchers also discuss using NASA technology to monitor deadly outbreaks like Ebola and malaria.
A new malaria vaccine candidate has shown a promising safety and tolerability profile in infants, with reduced parasite infection by 65% and clinical illness by 35%. The RTS,S/AS02 vaccine also demonstrated efficacy against new infections over a three-month follow-up period.
A double-blind trial of 214 African infants tested the safety and efficacy of a malaria vaccine, showing no serious adverse events and a 65% reduction in new malaria infections compared to previous trials. The study provides evidence of a strong association between vaccine-induced antibodies and reduced risk of infection.
The study identified specific parts of PfEMP1 that are likely to bond more strongly with receptors in blood vessels, producing a stronger adhesive effect. These protein parts are common in parasites causing severe malaria, and their identification could lead to the development of a vaccine to prevent the disease.
Researchers constructed a chaperone interaction network for the malarial parasite, highlighting new proteins that can potentially be used in the fight against malaria. The study provides insights into the functions of molecular chaperones and their role in chromatin remodeling, protein trafficking, and cytoadherence.
Dr. Thomas E. Wellems is being honored by the American Society for Microbiology (ASM) for his groundbreaking research on malaria treatment and resistance to chloroquine. His work has significantly impacted malaria treatment, leading to a decrease in death rates in Africa and Asia.
Researchers have discovered that a sugar in mosquitoes allows the malaria-causing parasite to attach itself to the gut, enabling its development and transmission. Reducing this sugar can prevent parasites from developing, offering a promising approach to blocking malaria spread.
The World Antimalarial Resistance Network (WARN) aims to provide a globally co-ordinated effort to tackle malaria. The network will facilitate worldwide monitoring and characterisation of drug resistance, including clinical efficacy, in vitro response, molecular markers, and pharmacological properties.
Binghamton University researchers study archived human blood samples to understand how Plasmodium falciparum evolved resistance to chloroquine. The analysis aims to provide insights for current treatments and future drug development.
Researchers mapped a specialized sensory organ that malaria mosquitoes use to locate human prey, revealing unique receptor cells for carbon dioxide and octenol detection. This discovery provides a biological context for developing chemical modifiers to disrupt mosquito behavior.
Researchers discovered that heparan sulfate is a receptor for the malaria parasite, allowing it quick transport through the body. This finding could lead to an environmentally safe and inexpensive way to block infection in mosquitoes, preventing malaria spread without drug side effects.
Researchers at USC develop a miniaturized camera for implantable retinal prostheses, achieving good results with just 625 pixels. The new LIDAR system uses near-infrared light to detect atmospheric conditions, providing pilots with better visibility in foggy and hazy environments.
The Internet platform is being exploited by HIV denialists to spread false information about the virus, posing risks to both uninfected and infected individuals. The scientific consensus confirms that HIV causes AIDS, yet denying this fact can lead to distrust of authority and adoption of ineffective treatments.
A observational cohort study from Côte d'Ivoire found that antiretroviral therapy according to WHO recommendations prevents mother-to-child HIV transmission. The study's findings support the WHO's guidelines for preventing perinatal and postnatal HIV transmission in West Africa.
New research shows that distributing free insecticide-treated bed nets can significantly reduce malaria cases and save lives. A successful program in Kenya distributed over 3 million nets to two-thirds of children, with no difference in coverage between rich and poor homes.
A recent study published in PLOS Medicine found that a free mass distribution program increased ITN use among Kenyan children from 7% to 66%. The high rate of adoption was consistent across different family income levels. The researchers argue that making ITNs freely available is crucial for achieving high levels of use and saving lives.
Nile tilapia significantly reduced Anopheles gambiae and Anopheles funestus mosquito populations by over 94%. The sustainable method provides a win-win situation for Kenyans, offering food and income while controlling malaria.
Researchers have developed a novel approach for rapid identification of malaria vaccine candidates using bioinformatics and peptide synthesis. This approach has been shown to effectively inhibit parasite growth in vitro with purified human antibodies, potentially reducing the time and cost associated with developing new vaccines.
Researchers developed a non-pyrethroid-DEET combination that shows strong synergy in lethal and paralyzing effects on mosquitoes, inhibiting blood feeding. The treatment's residual efficacy is several months longer than either agent applied alone.
The CRESIB has launched a research programme on malaria caused by Plasmodium vivax, aiming to better understand the disease and develop new control tools. The international consortium will bring together leading researchers from around the world to promote global efforts in P.vivax research.
Researchers at UT Southwestern Medical Center have discovered why some mosquitoes are resistant to malaria, focusing on a protein called TEP1. The study found that genetic differences in TEP1 manifest in a region dubbed the 'warhead', which grabs onto malarial parasites.
Researchers suggest using insecticide-treated bed nets for adults and older children to protect against malaria. The strategy could substantially enhance protection of vulnerable groups by reducing mosquito transmission.
Wide-scale communal use of insecticide-treated bed nets would provide considerable benefit to vulnerable groups, particularly adults and older children. This approach is supported by malaria transmission models suggesting a significant reduction in mosquito-borne disease transmission.
Researchers compared genes involved in insects' immunity and their ability to spread disease, gaining insights into halting the transmission of diseases like malaria. By analyzing gene sequences with computers, scientists identified key genes to study, paving the way for new experimental research.
Experts recommend mass distribution of LLINs to control malaria, citing two protective effects: direct user protection and community-wide prevention. Low coverage and social marketing restrictions hinder efforts, leading to criticism from Sachs and colleagues.
A review of studies found that two doses of a malaria preventive therapy during pregnancy provide substantial benefit to HIV-negative women, while more frequent dosing is necessary for HIV-positive women. The treatment also reduces the risk of low birth weight and anemia.
A new study has identified a direct link between Plasmodium falciparum antigens and Epstein-Barr virus (EBV) reactivation, increasing the risk of Burkitt lymphoma in children living in malaria-endemic areas. The researchers found that certain proteins from P. falciparum can spur latent EBV-infected cells into active production.
Researchers at Georgetown University Medical Center have constructed the largest synthetic gene ever built, which contributes to malaria drug resistance. The PfMDR1 gene, when expressed in yeast, produces large quantities of its protein, allowing for molecular understanding of how Plasmodium falciparum becomes resistant to drugs.
The study found that antibodies against arthropod saliva can indicate exposure to bites, allowing for improved assessment of disease transmission risk in endemic areas. This research aims to develop simple and effective prevention tools using immunogenic salivary proteins.
Research on statin effectiveness found to be influenced by funding source, with results favoring sponsored products. Additionally, a study on breast cancer cell survival discovered that vascular endothelial growth factor (VEGF) acts as an internal autocrine survival factor through its receptor VEGFR1.
Researchers at University of Toronto have discovered how HIV works to counteract the natural defense against malaria in pregnant women. The study found that HIV-infected women lose protective antibodies, making them susceptible to severe anaemia and infant deaths.
An international team of researchers led by MIT Professor Subra Suresh has demonstrated that the parasite protein RESA causes red blood cells to become less deformable, a hallmark of deadly malaria. The study's findings could lead to treatments targeting this protein.
A study of 19,560 Kenyan children with acute falciparum malaria found that nearly half developed seizures, coma, or impaired consciousness. Neurological involvement was associated with increased mortality and long-term neurological sequelae.
A clinical trial evaluated three leading combination therapies for uncomplicated falciparum malaria and found artemether-lumefantrine to be the most effective. The study included 601 healthy children from Uganda and demonstrated significant reductions in treatment failure, anemia, and asymptomatic parasitemia.
A study found that diagnostic tests for malaria are often underused in Zambia, resulting in patients being prescribed antimalarial medications despite negative test results. The use of rapid antigen-detection diagnostic tests (RDTs) is proposed as a cost-effective approach to reduce overtreatment.
The article reviews medical literature to provide US clinicians with updated guidelines for diagnosing and treating malaria. Key findings include the importance of considering malaria in the differential diagnosis based on travel history and prompt treatment.
Rising global temperatures are expected to alter infectious disease patterns, with increased transmission of diseases like malaria and influenza. Climate change is also linked to water-borne diseases, as extreme weather events strain aging infrastructure.
Researchers found antifolate therapies, including sulfadoxine-pyrimethamine and chlorproguanil-dapsone, effective in clearing P vivax parasites by day 14. The treatments were well-tolerated and may be used as an alternative to chloroquine in cases where species-specific diagnosis is unavailable.
The study estimates that only 6.7% of households at risk of malaria possess at least one insecticide-treated net (ITN). To meet the 80% coverage target, an estimated 130-264 million ITNs are required for children under 5 and pregnant women in high-risk areas.
Despite progress in research, malaria persists as a major public health challenge due to limited vaccine development and drug resistance. The disease causes an estimated 1 million deaths annually and affects 3 billion individuals worldwide.