Articles tagged with Malaria
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.
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 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.
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.
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.
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.
Researchers have developed fully human antibodies that effectively control malaria in mice, providing a potential therapeutic strategy for the disease. The study's findings suggest that these novel reagents could be used as a test for therapeutic antibody efficacy and an important tool in malaria vaccine development.
A study published in PLoS ONE has identified a protein in the brain, alpha-spectrin, as a target for antibodies in children with cerebral malaria. The discovery could lead to the development of a predictive test to improve patient care.
Researchers at Johns Hopkins University have developed a new series of potent synthetic drugs modeled on an ancient Chinese herbal folk remedy that cure malaria-infected mice with a single shot. The compounds, containing a crucial oxygen-oxygen unit, promise to be more effective and potentially safer than current treatments.
A call has been made for the Global Fund to prioritize funding health workers' salaries to ensure medicines are delivered to patients. The absence of skilled healthcare professionals poses a significant challenge in countries struggling with HIV, Tuberculosis, and Malaria.
Researchers propose two models to study social science aspects of malaria in pregnancy, considering factors in prevention and treatment. The models aim to improve malaria control and prevention strategies during pregnancy.
A key protein called Mal alerts the immune system to respond against invading bacteria, and research has found two variants that determine how the immune system responds. The findings suggest possible new treatments for malaria and TB, as well as insights into autoimmune diseases.
Dutch researcher Mike van der Kolk discovered that people who are frequently infected with malaria parasites can develop immunity against the gametocyte, inhibiting the spread of the parasite. This natural immunity prevents the parasite from reproducing in mosquitoes, ultimately stopping its transmission.
A study found that G6PD deficiency protects hemizygous male children but not heterozygous female children against severe malaria. The deficiency appears to mitigate disease processes set up by infected red blood cells in the bloodstream, offering a survival benefit.
Researchers have discovered a new treatment for malaria, which showed that longer-acting drugs can prevent patients from getting sick again within six weeks. The study found that combining two drugs increased the effectiveness of treatment and reduced the risk of relapse.
Researchers estimate malaria transmission to be much higher than previously thought, ranging from 1-3,000, with serious implications for disease control. The study suggests that targeting the most frequently bitten individuals could lead to local elimination of malaria.
A collaboration of international calculation grids analyzed nearly 80,000 potential malaria medicines per hour over 10 weeks, significantly speeding up the selection process. This approach also has implications for treating other tropical diseases and can substantially reduce the cost of developing new medicines.
The Worldmapper project creates cartograms that rescale the size of territories according to various values like public health spending, malaria cases, HIV prevalence, and number of physicians. These interactive maps foster new perspectives on global health inequalities, emphasizing the need for action.
Researchers discover how malaria parasites hijack red blood cells and develop a new strategy to block them using propranolol. The finding opens the possibility for important new drugs that won't become resistant, addressing the growing problem of drug-resistant malaria.
A novel compound, tazopsine, isolated from a Madagascan plant has shown activity against the liver stages of human and mouse malaria. Its semisynthetic derivative, NCP-tazopsine, completely protected mice from malaria parasites, suggesting a promising new candidate for anti-malarial prophylaxis.
A Mayo Clinic researcher has identified a target site in malaria-carrying mosquitoes that could be used to develop pesticides toxic to the Anopheles gambiae mosquito and other species. This finding could lead to a safer and more effective method to control mosquito-borne diseases like malaria.