Articles tagged with Malaria
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A study found that malaria parasites in one African village had distinct gene combinations that allowed them to evade the human immune system. This discovery highlights the importance of considering diverse strains of the parasite in malaria-control efforts.
The University of California, Irvine has received a $9.6 million grant to conduct malaria control research in sub-Saharan Africa. The project aims to assess the impact of environmental changes on malaria epidemiology and transmission.
A new compound, MMV390048, has been discovered and shown to be effective against resistant strains of the malaria parasite across its entire lifecycle. The research holds great promise for a single-dose cure, potentially contributing to the eradication of malaria.
Researchers found that one- and two-legged mosquitoes can bite humans and reproduce after losing multiple legs to insecticides. The study's findings suggest re-evaluating WHO testing guidelines for bed nets.
Scientists have identified a group of seven genes that show distinct patterns of expression in patients with malaria, distinguishing it from other infectious diseases. This discovery could lead to the development of a fast and accurate blood test for malaria.
A new and inexpensive treatment option for drug-resistant malaria has been developed using plant therapy made from dried leaves of the Artemisia annua plant. The treatment, known as DLA, was tested on 18 critically ill patients in a Congo clinic and showed a 100% recovery rate, including a five-year-old child who had lapsed into a coma.
Researchers at Penn State have received a $9 million NIH grant to investigate malaria transmission in Southeast Asia and work toward the disease's elimination. They will examine how environmental changes affect disease transmission, genetic resistance to insecticides, and counterfeit drugs.
A new study finds malaria hospitalizations exceeding dengue fever cases, with average cost per patient at $25,800 and total bill of $555 million from 2000 to 2014. Malaria infections are likely acquired during travel to Africa, Asia, and Latin America.
The Amazonian Center of Excellence for Malaria Research, led by UC San Diego's Joseph Vinetz, MD, will receive a $8.3 million NIH grant over seven years to tackle malaria in endemic regions. The research aims to develop new antimalarial compounds and improve therapy options.
The NIH has awarded $9 million to seven international centers focused on malaria research, aiming to understand complex interactions between human hosts and mosquito vectors. The 7-year awards will support vital research to control, eliminate, and eventually eradicate malaria, a global health threat that claims millions of lives annually.
The University of Maryland School of Medicine has been awarded a $9 million grant to develop new tools against drug-resistant malaria. The research aims to accelerate malaria elimination in Southeast Asia by integrating clinical and field research findings.
Scientists have identified two parasite proteins that allow Plasmodium falciparum malaria parasites to quickly traverse human cells and infect liver cells. This discovery could lead to the development of new antimalarial treatments and vaccines to combat the disease.
Researchers discovered blood-sucking flies can act as 'flying syringes' to detect emerging infectious diseases in wild animals. The method analyzes the origin of the blood and species of malaria parasites present, with potential implications for controlling global outbreaks.
Researchers from CRAG and Sequentia Biotech have developed transgenic plants that produce twice as much artemisinin as traditional plants. The study identifies the AaMYB1 gene involved in artemisinin synthesis and trichome formation, offering a potential solution to reduce production costs and make antimalarial drugs more accessible.
Researchers created a mouse model to study how cerebral malaria leads to epilepsy in children and develop treatments. The model, developed by Penn State, is the first of its kind and has potential applications for preventing seizures and sudden unexplained death from epilepsy.
Researchers developed a comprehensive mathematical model of the deadliest malaria parasite Plasmodium falciparum metabolism. The model accurately integrates genetics and metabolism data, predicting which genes are indispensable for every biological function in the parasite.
A new mathematical model of Plasmodium falciparum's metabolism reveals its essential genes and thermodynamic bottlenecks, enabling potential mechanisms to target with drugs. The model integrates genetics and metabolomics data, allowing for the formulation of testable hypotheses and accelerating novel antimalarial drug discovery.
Researchers at Vanderbilt University have discovered that female mosquitoes possess a secondary set of odor sensors, which are specially tuned to detect human-derived chemical signals. This system allows the insects to seek out humans as a preferred host, potentially aiding efforts to combat malaria and other mosquito-borne diseases.
Researchers at Cardiff University have devised a new way of creating the leading anti-malarial drug artemisinin, which could reduce market fluctuations in the supply chain and help study resistance to the drug. The new method bypasses several key steps in the production process, achieving the desired outcome in just four steps.
Researchers have created a detailed atomic map of the frontline antimalarial drug mefloquine, showing how its structure could be tweaked to increase effectiveness. The study aims to create a more targeted and safer treatment by redesigning the drug's molecular machinery.
Bruno Moonen advocates for a global commitment to support regional elimination efforts and sustained investments in research, while Clive Shiff suggests prioritizing the management of health services rather than massive eradication efforts due to funding constraints and resource limitations.
Scientists have discovered a network of chemical conversations between different types of cells that influence T cell specialisation in the immune system. They also identified genes involved in controlling antibody production during malaria infection, such as Galectin 1, which may be targeted by drugs to boost immunity.
Speakers at a University of Arizona summit on science diplomacy and policy emphasized the importance of scientific evidence in setting sound policies. Experts like Nobel laureate Peter Agre and former ambassadors shared stories of their research programs and collaborations with countries with strained diplomatic relations.
Researchers studied Anopheles darlingi mosquitoes in Amazonian Peru revealing that humans are the most common blood source followed by Galliforme birds. The study provides valuable information on malaria transmission and could help track potential changes in mosquito behavior.
Scientists have detected an artemisinin-resistant malaria parasite originating from West Africa for the first time in Africa, posing a significant threat to malaria control efforts. The finding confirms that the parasite carries a new mutation in the Kelch13 gene, which is the primary driver of resistance in Southeast Asia.
A Phase 1 clinical trial found that the PfSPZ Vaccine protected 64% of healthy adults from a different malaria strain, while also inducing durable T cell responses. The vaccine showed cross-protection against multiple strains, providing hope for an effective malaria vaccine.
A study published in PLOS Medicine found that modern houses with metal roofs and finished walls are associated with a reduced risk of malaria in children under age 5. The researchers analyzed data from 29 surveys in 21 African countries and found a significant correlation between improved housing conditions and lower malaria rates.
Researcher Nathan Schmidt aims to determine which gut microbes protect against malaria and how they interact with the parasite. His study builds on previous findings showing that mice with certain gut microbiota are less susceptible to severe malaria infection.
A Phase 1 clinical trial demonstrates the PfSPZ Vaccine's ability to protect against at least two strains of malaria. The vaccine activated T cells and induced antibody responses in all recipients, providing some insights into its protective efficacy.
A clinical trial shows that Sanaria's PfSPZ Vaccine induces strain-transcending T cells and provides durable protection against both same and different malaria parasites. The 3-dose regimen offers long-lasting immunity, with 64% of subjects protected 19 weeks after the final dose.
Researchers aim to develop novel treatments and preventative medicines to assist with malaria eradication and elimination, replacing ineffective current drugs that are losing efficacy.
Researchers at German Center for Infection Research develop a new malaria vaccine that uses fully viable malaria parasites, showing up to 100% protection against the disease. The vaccine was tested on 67 healthy adult subjects and showed strong immune responses.
An experimental malaria vaccine strategy, PfSPZ-CVac, combined with antimalarial medication protected all nine clinical trial volunteers given three high-dose vaccinations. The vaccine induced a response from T cells and identified 22 malaria parasite proteins that could be the targets of protective immune responses.
The investigational PfSPZ Vaccine protected a significant proportion of healthy adults against infection with Plasmodium falciparum malaria for the duration of the malaria season. The vaccine demonstrated a 48% protective efficacy and was well-tolerated, with no serious adverse events.
Researchers identified candidate molecular signatures in the blood of vaccinated subjects that predict the likelihood of success from vaccination. The study found that these signatures can discern whether volunteers were protected when exposed to mosquitoes carrying the Plasmodium falciparum parasite.
Researchers at the Wellcome Trust Sanger Institute have discovered how a promising malarial vaccine target, RH5, helps parasites invade human red blood cells. The study reveals that P113 anchors RH5 and provides a molecular bridge between the parasite and red blood cell, making it an attractive new target for malaria vaccines.
Researchers discovered that malaria parasites produce HMBPP, which stimulates red blood cells to release carbon dioxide and volatile compounds attracting malaria mosquitoes. The parasite uses this system to transfer from one host to another, making it harder to control the spread of malaria.
A set of genes from the pir gene family is responsible for malaria parasites' ability to persist in the body. The expression of these genes is linked to chronic infection, which can lead to ongoing transmission of the disease.
A new substance, SC83288, has been successfully used to treat severe malaria in humanised mice, killing the parasites in a short period of time. The substance was chemically modified from benzamidine derivatives to increase its effectiveness and tolerability without forfeiting its action against parasites.
A Virginia Tech research team has received a $431,126 NIH grant to improve the malaria compound MMV008138. The team aims to create more potent versions of the drug targeting the parasite's ability to produce isopentenyl pyrophosphate.
A genetic analysis reveals a gene region that enables mosquitoes to break down commonly used pyrethroid insecticides, leading to almost universal resistance. The study warns of the risk that current interventions may be compromised if resistance continues unabated.
A lineage of multidrug-resistant P. falciparum malaria parasites has spread across Cambodia, Laos, and Thailand, causing high treatment failure rates for main malaria medicines. The emergence of these superbugs poses a significant threat to global malaria control and eradication efforts.
Terrie E. Taylor, a Michigan State University professor, is working on developing new treatments for cerebral malaria, the deadliest form of the disease. Her research aims to identify interventions that can reduce brain swelling and save children's lives.
Dr. Timothy Anderson received a 5-year, $4.6 million MERIT Award to study drug resistance in malaria parasites and develop effective treatment strategies. The award supports his efforts to understand the genetic determinants of resistance and apply powerful gene editing technologies.
The genomes of Plasmodium malariae and Plasmodium ovale parasites have been sequenced, revealing genes that could be involved in human infection and immune evasion. These findings may lead to the development of improved diagnostic tools and vaccines against these less common but still deadly malaria species.
Climate change impacts mosquito life cycle and malaria parasite development, increasing transmission risk in sub-Saharan Africa. A new model predicts disease spread using periodic vector-bias effects, improving accuracy over previous models.
Researchers found that mosquitoes responsible for transmitting malaria often rest in cattle sheds and feed on both humans and cattle. The team suggests that extending mosquito-control efforts to include cattle sheds could help reduce transmission dramatically.
A new study suggests that mosquitoes carrying a greater number of malaria-causing parasites are more likely to cause infection in humans. The researchers found that injecting more parasites with each bite increases the chances of malaria transmission.
Researchers at Imperial College London found that the number of parasites in mosquitoes influences malaria infection success rates. This discovery has implications for vaccine development and understanding disease transmission.
Researchers developed a mathematical model to determine the minimum number of people required for a good vaccine trial. Testing candidate vaccines on larger groups can accelerate the discovery of an effective vaccine against malaria, ultimately leading to its elimination.
Research by UTA professors Marco Brotto and Mauro Marrelli shows that a healthy diet and regular exercise can mitigate damage to the heart and skeletal muscles caused by malaria. The study highlights the importance of addressing the impact of malaria on these areas, which is often overlooked in previous studies.
Researchers found that iron deficiency anemia reduces the risk of malaria by 16% in African children, compared to sickle-cell trait, which only reduces it by 4%. Iron supplementation reverses this protection, increasing the risk of P. falciparum malaria.
A weakened form of the malaria parasite safely activated strong immune responses in healthy volunteers, whose antibodies completely protected mice from malaria infection. The GAP3KO vaccine candidate has shown promising results and will move forward to a phase 1b trial using controlled human malaria infection.
A clinical trial with human volunteers has found a next-generation malaria vaccine to be well-tolerated and stimulate an appropriate immune response. The vaccine uses genetically attenuated parasites that are incapable of multiplying in the human liver but effectively stimulate the immune system.
Scientists have successfully cultivated a new species of malaria mosquito in the laboratory, allowing for more accurate investigation of their physiology and ability to transfer the disease. The study also found that the species has an expanded habitat range across Eurasia, with populations declining in some areas due to climate change.
Researchers found that exposure to malaria's blood stage inhibits the formation of protective immune cells and antibodies. This discovery highlights the need for a vaccine that targets both stages of infection to effectively prevent malaria.
Researchers have discovered a potential new approach to combat malaria by disrupting mosquito hormone signaling, reducing transmission and lifespan, and blocking parasite development. The findings suggest that applying DBH to bed nets or spraying it indoors could be an effective alternative to insecticides.
A hormone-disrupting compound could provide a new strategy for controlling the spread of malaria by preventing transmission of malaria parasites in female mosquitoes. The study found that DBH-treated mosquitoes were less likely to be infected and produced fewer eggs, making it an effective alternative to insecticides.
Scientists at the NIH used advanced brain imaging technology to study cerebral malaria, revealing how the disease kills thousands of people each year. The research suggests a potential treatment involving removing CD8+ T cells from blood vessel walls, increasing survival rates.
Researchers have found overwhelming evidence of malaria's existence in ancient Rome dating back to the Roman Empire. The study analyzed human remains from three Italian cemeteries and confirmed the presence of Plasmodium falciparum, a parasite responsible for nearly 450,000 deaths worldwide each year.