Articles tagged with Malaria
Research in western Amazonia found that at least 150 minutes of exercise per week correlated with lower birth weight and reduced risk of childhood obesity and diabetes. The study also showed that physical activity during pregnancy may help prevent excessive weight gain, contributing to a reduced birth weight.
Researchers found that increasing serotonin levels in mosquito blood reduces their flight speed and motivation to seek second blood meals, making them less efficient vectors of malaria parasites. This discovery provides a promising new avenue for insect-targeted interventions to prevent malaria transmission.
Researchers have identified an anti-malarial compound, ML901, that inhibits the malaria parasite without harming mammalian cells. The compound works by hijacking a reaction to make the parasite self-destruct, showing rapid and prolonged action against resistant strains.
A WHO-supported series has collected 13,700 new database records on mosquito-borne diseases, providing valuable resource for studying and containing infectious diseases. The data can be used to train machine-learning models for vector detection and classification, improving global human health.
Researchers have captured the first 3D images of malaria parasites and how anti-malarial compounds like PMIX and PMX work to stop their spread. The findings will enable the design of new compounds that can effectively block Plasmepsins, preventing malaria parasite replication.
Researchers from Australian National University have discovered how malaria parasites evade treatment by transporting drugs to 'safe zones', which can lead to new and longer-lasting treatments. The discovery could also inform cancer treatment development.
Asymptomatic malaria infections have been found to suppress the immune system, preventing it from eradicating parasites from the bloodstream. This new information provides a framework for considering new policies supporting screening and treatment of asymptomatic malaria in endemic areas.
Researchers discovered that mosquito brains use a surprisingly simple mechanism to recognize human odor, involving just two nerve centers. The team identified the specific compounds decanal and undecanal as key components of human scent, which are also present in other mammal odors.
Two fatal cases of airport malaria were reported in Belgium, highlighting the need for healthcare awareness near airports. The most likely route of transmission was through an imported infectious exotic Anopheles mosquito that was possibly brought via the international airport or military airport.
A new study by Georgetown University Medical Center scientists found that geoengineering the climate could shift malaria transmission regions, increasing the risk of infection in some areas. The research used climate models to simulate malaria transmission under different warming scenarios with and without geoengineering.
Scientists tracked Cryptosporidium in real-time, revealing a simplified lifecycle that completes in three days with only three stages: asexual cells, male cells, and female cells. This understanding paves the way for potential vaccines or therapies to combat the disease.
Researchers at Karolinska Institutet study how the immune system protects against malaria, finding that people who have contracted the disease before develop a tolerance that prevents severe disease. This knowledge can aid in the development of more effective vaccines.
Researchers have discovered that P. malariae, a malaria parasite infecting humans, originated in African apes before evolving to infect people. This breakthrough reveals the evolutionary links between the two species and sheds light on how the parasite adapted to infect humans.
Scientists at UC San Diego are working on next-generation gene drive systems based on CRISPR technology to combat malaria and reduce mosquito populations. The $1.4 million grant will support the development of new technologies, including a neutralizing system called ERACR, to mitigate risks associated with gene editing in mosquitoes.
A novel class of bed net that kills mosquitoes resistant to traditional insecticides by making them unable to move or fly significantly reduces malaria infection in children. The study found a 43% reduction in malaria prevalence and 44% reduction in clinical episodes over two years.
A novel bed net treated with chlorfenapyr has been shown to significantly reduce malaria infection in children, with a 43% decrease in the first year and 37% decrease in the second year. The study found that the bed net reduced clinical episodes of malaria by 44% over two years.
Researchers found that mosquitoes' odor sensors shut down when forced to produce odor-related proteins, ignoring common insect repellents. This 'expression' process allows mosquitoes to adapt to their surroundings and avoids human scents.
A team of scientists led by Karine Le Roch has identified two proteins, RAP01 and RAP21, crucial to the malaria parasite's survival. Knocking down these proteins can interrupt protein translation in the mitochondria, leading to the parasite's death.
A new study using pooled individual patient data from over 70,000 patients has found that artemisinin-based combination therapy can suppress the bone marrow response and contribute to anaemia. The analysis identified patients at greatest risk of severe anaemia and highlights potential advantages of alternative treatment regimens.
Researchers at Weill Cornell Medicine have identified a protein called HDP1 that plays a critical role in activating genes required for the development of male and female stages of the malaria parasite. Without HDP1, parasites are unable to assemble mature gametocytes, leading to their death and inability to infect mosquitoes.
A recent study found a high prevalence of HIV, tuberculosis, and malaria in the Gambela region of Ethiopia, highlighting the need for targeted health services. The research suggests that addressing these diseases at a local level could be more effective than a nationwide response.
Female mosquitoes learn to avoid pesticides after a single exposure, allowing them to seek out safer food sources and resting sites. The study found that pre-exposed mosquitoes were more likely to avoid pesticide-treated nets and rest in pesticide-free containers.
Researchers have discovered a protein that plays a key role in the malaria parasite, leading to a potential new way to fight the disease. Deactivating this protein reduces the growth of the parasite by over 75%, making it a promising target for treatment development.
A team of scientists has discovered that the enzyme DNA topoisomerase VI plays a critical role in removing chromosome tangles in plants, which may lead to new antimalarial drug targets. The study provides unprecedented insight into the mechanism of action of this enzyme and its potential applications in plant breeding.
A 22-year study in Tanzania found that children who slept under bed nets at an early age had a 40% higher survival rate compared to those who didn't. The study tracked over 6,700 children and provided unique insights into the long-term benefits of malaria control in young children.
A study from Johns Hopkins Malaria Research Institute uses CRISPR/Cas9 gene-editing to delete a protein called CTL4 from mosquitoes, resulting in a 64% decrease in infection prevalence. The researchers believe targeting the CTL4 protein could be a new strategy for controlling malaria.
Researchers developed autohaem devices to automate blood smears, increasing accuracy and efficiency in malaria diagnosis. The devices can produce high-quality smears equivalent to those created by human experts, reducing errors and improving patient outcomes.
Researchers found that male mosquitoes beat their wings up to 500-1,000 times a second, changing frequency to produce 'distortion tones' more audible to the male ear. This change is partly due to their circadian clock and allows males to detect females in swarms.
Researchers at UNICAMP discovered that total parasite biomass is a better predictor of complications in patients with P. vivax malaria than parasitemia. The study highlights the importance of parasite biomass in the bone marrow and spleen, which play a major role in vivax malaria complications.
Researchers from Ethiopia and Germany identified a traditional African medicinal plant that alleviates malaria symptoms in infected mice. The plant extract's active compound, anemonin, shows promise in treating the disease.
A new study reveals that gamma delta T cells play a critical role in promoting clinical protection against malaria. The unique T cell receptor on these cells enables them to recognize and tolerate Plasmodium falciparum parasite fragments, providing a vital component of an effective immune response.
Researchers found high rates of SARS-COV-2 infections in Mali but low evidence of severe disease, hospitalization, or deaths. In contrast, COVID-19 patients with high levels of previous malaria infections showed lower risks of severe outcomes in Uganda.
Researchers at the Ragon Institute of MGH, MIT and Harvard have developed a new anti-malarial antibody that provides significant protection against malaria, outperforming existing best-in-class antibodies. The breakthrough could lead to improved distribution of monoclonal antibodies in endemic countries.
Scientists sequenced Plasmodium falciparum genomes to understand malaria parasite populations and track drug resistance biomarkers. The study identified population-specific SNPs that can be used to determine transmission routes and monitor drug resistance.
Researchers from the University of Copenhagen have discovered that naturally acquired immunity to malaria works differently than immunity following vaccination. The immune system uses natural killer cells to fight the parasite, which is more tailored to the disease than other typical infections.
A new study from Karolinska Institutet shows that explicitly addressing falsehoods is more effective in busting misbeliefs than simply stating scientific facts. The study found that two communication campaigns using WhatsApp audio dramas significantly reduced participants' incorrect beliefs about typhoid and malaria.
Researchers have detected antibodies primarily made in response to mucous membrane infections, not typically thought of as a blood and liver infection, in study participants with malaria. The discovery provides new insight into the human body's response to malaria and may help identify new ways to treat or develop vaccines.
A promising new antimalarial compound has been discovered in a collaboration between McMaster University and the University of Hamburg. The compound, duocarmycin PDE-I2, shows potent malaria-killing properties without the adverse effects of previously known compounds.
Scientists have developed a technique to sequence individual malaria parasites' genomes, allowing for the detection of new mutations. These mutations are often targeting a gene family controlling transcription in malaria, suggesting potential avenues for developing more effective treatments and vaccines.
A Brazilian study found that children exposed to malaria from birth are more likely to develop anemia by age two. The researchers, led by Dr. Marly Augusto Cardoso, followed 1,539 children and discovered that 12.6% were anemic, with a higher prevalence in rural areas not covered by the study.
A study at Stockholm University has discovered a novel, eco-friendly feeding trap that can be deployed to control mosquito populations. The trap uses a beetroot-based mix with added toxins, which attracts and kills female mosquitoes, while leaving male mosquitoes unaffected.
Chronic P. vivax infections cause significant damage to kidneys, brain, and circulatory system, affecting impoverished communities. The parasite can hide at low levels, making diagnosis difficult and treatment efforts challenging.
Researchers studying blood samples from over 12,000 individuals in Ethiopia found that malaria parasites can evade detection by rapid diagnostic tests due to genetic mutations. The study highlights the need for alternative diagnostic approaches and surveillance across the Horn of Africa.
Researchers at Kanazawa University have identified a new vaccine platform that targets liver cells to induce anti-malaria immunity. The AAV8 vaccine platform was found to be more effective in eliciting a T cell-mediated response in the liver, providing sterile protection against malaria in a murine model.
Researchers have identified global hotspots where bird malaria is spreading rapidly, with significant impacts on bird populations. The study found that climate and forest conditions play a crucial role in predicting infection risks, highlighting the need for conservation efforts to protect bird species from this deadly disease.
A new study published in the New England Journal of Medicine found that a combination of seasonal vaccination with RTS,S/AS01 E and antimalarial drugs significantly reduces clinical episodes, hospital admissions, and deaths from malaria. The results show a 70% reduction in these outcomes compared to current interventions.
A new study led by ISGlobal has identified a gene called PfAP2-HS that allows the malaria parasite to defend itself from febrile temperatures and other adverse conditions within the host. The study found that this gene activates a protective response against high temperatures, helping the parasite survive in the host's environment.
A new monoclonal antibody called CIS43LS safely prevented malaria for up to nine months in a small clinical trial. The study builds on encouraging early results and will inform additional research to confirm and extend the finding.
Researchers successfully tested gene drive technology to control malaria-carrying mosquitoes in large cages mimicking natural environments. The technology, which spreads a genetic modification blocking female reproduction, worked as expected and showed significant population decline within one year.
Researchers used mass cytometry and machine learning to discover 'immune signatures' that differentiate between symptomatic and asymptomatic Plasmodium vivax malaria infections. The study found a previously unrecognised role for immune CD4 T cells in preventing serious disease and controlling asymptomatic infection.
Researchers define the atomic-level architecture of a protein-receptor connection that allows the malaria parasite to evade the immune response. A drug designed to fit into this space could block the interaction, allowing the immune system to clear away the pathogen and potentially reducing severe malaria cases.
A new study predicts that climate change could increase the global population at risk of malaria and dengue by up to 4.7 billion people by 2100, particularly in lowlands and urban areas. Reducing greenhouse gas emissions could prevent millions from contracting these diseases.
Researchers developed a statistical model using platelet and white blood cell counts to distinguish between severe malaria and other illnesses. This model could help identify misdiagnosed children with alternative causes of illness, speeding up research on new treatments.
Researchers explored whether ivermectin administration influences malaria transmission, finding large effects on mosquito mortality but no significant impact on malaria incidence in children. Further studies are underway to determine the efficacy of community-wide ivermectin treatment for reducing malaria transmission.
A Sanaria vaccine has demonstrated complete protection against a variant malaria parasite in six subjects, with the dosage being only 20% of its original strength. The results, published in Nature, have significant implications for the prevention of malaria in African populations and travelers to Africa.
A new malaria vaccine has shown unprecedentedly high levels of durable protection in phase 1 trials, potentially reversing the stalled decline of global malaria. The vaccine combines live parasites with antimalarial drugs and has induced sterile hepatic immunity.
Researchers identified six antibody characteristics that protect pregnant women from placental malaria infections, which could be used to identify women at risk and develop new therapies. The study found that these antibodies help prevent malaria parasites from binding to placental cells and destroying infected blood cells.
A novel mRNA-based vaccine has shown high levels of protection against malaria in animal models, offering new hope for combatting this deadly disease. The vaccine uses a lipid nanoparticle to stimulate the immune system and trigger a protective response.
A new method for collecting pure malaria parasites from infected mosquitoes could accelerate the development of new, more potent malaria vaccines. The 'mosquito smoothie' innovation enables rapid purification with fewer contaminants, increasing scalability and efficacy.
A study in Uganda reveals that school-aged children with asymptomatic malaria are a significant source of mosquito infections, driving the spread of the disease. Targeting these children for control interventions could help sustain malaria gains and prevent resurgences.