Researchers discover that eosinophils, previously associated with allergies and asthma, can kill colon cancer cells. The study found a clear correlation between the number of eosinophils in tumors and disease severity, suggesting these white blood cells may play a role in cancer treatment.
ERADA's Saliva-based Malaria Asymptomatic and Asexual Rapid Test (SMAART) detects a unique biomarker from female parasites circulating in an infected individual. Early detection of malaria is crucial to eradication, as carriers are the reservoir that leads to infection and transmission.
Research reveals that trypanosomes use gluconeogenesis and glycerol metabolism to produce ATP and synthesize glucose, challenging the long-held assumption of exclusive reliance on glycolysis. This metabolic flexibility is essential for adaptation to environmental conditions and survival in mammalian host tissues.
Researchers at Kanazawa University have discovered that a baculovirus can completely eliminate liver-stage malaria parasites in mice. The study suggests a new approach to developing non-haemolytic single-dose alternative drugs for P. vivax treatment, potentially reducing the risk of infection and side effects.
Researchers have identified a natural flavonoid, 2'-Hydroxyflavanone (2HF), effective in treating Leishmania amazonensis infections. The compound showed no side effects and reduced parasite loads and lesion sizes in infected mice.
Researchers developed a new approach to prevent malaria by targeting the parasite at an earlier stage in its lifecycle. They tested over 500,000 chemical compounds and identified 631 promising candidates that could form the basis for new drugs.
Researchers found that forest fragmentation decreases transmission of a parasitic nematode in the pale-flecked garden sunskink, with infected skinks being 75% less likely to carry the parasites. Habitat disruption can lead to dramatic changes in ecosystem dynamics.
Researchers have pinpointed details of a signal that enables parasites to change form and be transmitted by flies, offering a new way to tackle the disease. Disrupting this process with drugs could limit drug resistance and provide a treatment option.
A new study reveals that Plasmodium falciparum parasites can directly convert from their asexual to sexual form without an additional replication cycle, increasing the parasite's survival and transmission capabilities. This finding provides important information on the malaria parasite's lifecycle and its transmission to mosquitoes.
Researchers discovered that malaria parasites adjust their reproduction strategy based on host conditions, opting to invest more in reproduction when conditions are favorable and prioritizing survival during adverse times. This finding could inform the development of new treatments by prompting parasites to spread more easily.
A study in Scientific Reports identifies mechanisms of pesticide resistance in cattle ticks, which contribute to significant economic losses. The study reveals that the ticks' ability to detoxify toxicants, including ivermectin, is a key factor in their resistance.
A new study has successfully trained sniffer dogs to detect malaria infections in socks worn by African children, with an accuracy rate of 70% and a potential to assist in malaria elimination campaigns. The dogs were able to identify the distinctive odor emitted by malaria parasites, which was not present in uninfected individuals.
Scientists have discovered that DNA packaging proteins play a central role in the parasite's ability to alter its surface coat protein, enabling it to evade the host's immune system. This process, known as antigenic variation, allows trypanosomes to stay one step ahead of the game and establish long-term infections.
Researchers found that the peppermint shrimp outperformed other species in a set of experiments, reducing parasite infection by 87% and targeting environmental stages. This discovery provides a viable candidate for a natural biocontrol agent to combat parasites in aquaculture industries.
University of Otago researchers have discovered a way to culture cynomolgi malaria parasites, which are almost identical to vivax malaria. This breakthrough could help eliminate the relapsing form of human malaria, a major public health concern worldwide.
Research reveals that malaria parasites exhibit elevated cyto-adhesion during fever, which contributes to microvasculature obstruction and splenic clearance issues. The study found a significant increase in phosphatidylserine expression on infected red blood cells at febrile temperatures.
Malaria parasites have evolved to replicate in sync with mosquitoes' feeding cycles, causing regular bouts of fever. Scientists discovered that these parasites are more infectious to mosquitoes during the day, and their replication patterns likely evolved to optimize transmission.
Researchers will investigate molecular methods to identify resistant parasites, develop new tests for metabolic syndrome diagnosis, and explore the role of gut bacteria in the disease. The studies may lead to improved equine health outcomes and new interventions.
Scientists have discovered a way to enhance the effectiveness of artemisinin, a powerful antimalarial drug, by combining it with chemotherapy medicines that target the parasite's waste disposal system. The combination works by jamming the recycling process, leading to cell death in the parasite.
Researchers at Imperial College London have identified six compounds that can prevent malaria parasites from maturing inside mosquitoes, reducing disease transmission. These compounds, which target the parasite's sexual forms, could be used to develop new antimalarial drugs that not only cure individuals but also protect communities.
A new antimalarial drug called DM1157 is being tested in a Phase 1 clinical trial for its safety and efficacy. The trial aims to enroll up to 104 healthy volunteers and assess the drug's impact on the human body.
Researchers discovered fossil parasites inside their hosts, describing four extinct wasp species that were unknown until now. The study provides major information on the evolution of parasitism and its impact on ecosystems.
A mathematical model for malaria shows that competition between parasite strains within a human host reduces the odds of drug resistance developing in high-transmission settings. The model reveals how once a drug-resistant strain becomes established, it will spread faster in high-transmission areas than in low-transmission areas.
Researchers found that a specific type of fish louse, Argulus japonicus, can accumulate high concentrations of metals, potentially serving as an early warning system for water quality. The lice's unique mechanisms for protecting themselves from toxins may hold the key to detecting metal pollution.
Researchers at James Cook University found that shrimp clean parasites from injured fish without aggravating their injuries. The interaction between cleaner shrimp and client fish also reduces stress levels, potentially increasing the fish's ability to heal.
Researchers analyzed ape parasite genomes related to Plasmodium vivax, the main source of mosquito-borne malaria outside Africa. They found near-identical genomes between ape and human parasites, differing by only two percent within gene sequences that code for proteins.
A study comparing ape and human P. vivax genomes reveals nearly identical DNA sequences, but with key differences in genetic diversity and binding proteins. The findings suggest an evolutionary bottleneck where the parasite passed from apes to humans in Africa, then spread globally.
A new interaction between plant and insect parasites is found when the two exist on a shared host. The parasite-leeches nutrients and moisture away from the wasp larvae developing in the tree, while also attacking unusual growths caused by the wasps. This discovery has implications for agriculture and medicine.
Developing vaccines for human parasites has proven challenging, with key challenges including immune response issues and limited scalability. GW researchers have outlined five key lessons learned along the critical path to vaccine development, aimed at accelerating progress in eradicating these diseases of poverty.
Researchers observed red-fronted lemurs in Madagascar chewing on millipedes to rid themselves of intestinal parasites. The animals then rubbed the area around their genitals, anuses, and tails with the chomped millipedes to treat conditions like itching and weight loss.
Scientists found that malaria parasites are ten times nimbler than the fastest of our immune cells and literally outrun our immune defences. This difference is due to a key issue in how actin filaments are formed and broken down, which could lead to new drugs targeting parasite actin.
Researchers have identified a critical protein produced by malaria parasites that can be targeted to elicit protection against re-infection. The vaccine, which targets the protein PMIF, has shown promise in mouse models and could potentially prevent transmission of the disease.
A study found that elevated CO2 levels reduce the protective compounds in milkweed plants, making monarch caterpillars more susceptible to parasites. This threat could have broad implications for animals and humans who rely on plant-based medicines.
Researchers have developed a novel technique using genetically-encoded glucose biosensors to monitor Trypanosoma brucei parasite metabolism and identify molecules that disrupt glucose levels. This could lead to the development of therapeutics for African sleeping sickness, a disease causing fatal results in sub-Saharan Africa.
Researchers have mapped the first contact between Plasmodium vivax malaria parasites and human red blood cells using cryo-EM technology. The discovery provides critical information for developing potential new antimalarial drugs and vaccines.
Researchers have created the most comprehensive tree of life for malaria parasites, revealing diverse evolutionary lineages and proposing that some species should be renamed. The study included DNA sequence data from over 20 genes and sampled 58 malaria species across eight genera, correcting for biased DNA ratios.
A new study reveals that a malaria parasite manipulates liver cells to survive and reproduce, building strength before invading red blood cells. Disrupting this process by targeting the aquaporin-3 protein may lead to new treatments for malaria before symptoms appear.
A study revealed that Plasmodium falciparum emerged as a human-specific parasite species around 3,000 to 4,000 years ago. The researchers sequenced the genomes of all known malaria parasites and discovered a chain of events leading to its emergence.
Researchers have discovered that various stages of the malaria parasite's life cycle are connected to epigenetic features and chromatin structure. The study provides insights into the connection between genome organization, epigenetics, and stage-specific gene expression in the malaria parasite.
Researchers warn that Alaska's songbird population may suffer significant losses if the invasive common cuckoo and oriental cuckoo expands its breeding range in the region. The cuckoos, known as brood parasites, lay their eggs in nests of other species, leading to the elimination of reproductive success for hosts.
Parasites have evolved to 'hack' their host's nervous system, controlling behavior and decision-making. Researchers explore the mechanisms involved, discovering compounds that act on neural circuitry, offering insights into neural control of animal behavior.
Researchers found that malaria-carrying parasites, particularly Plasmodium, are more widespread due to their ability to infect multiple bird species. The study's findings suggest that geography and host evolutionary relationships play significant roles in shaping parasite diversity and distribution patterns.
DNA analysis of ancient latrines reveals past diets, animal domestication, and hunting practices in Northern Europe and the Middle East from 500 B.C. to 1700 A.D., with parasite eggs reflecting raw or undercooked fish and pork consumption.
A team of City College-bred fruit flies and parasitic wasps are part of an International Space Station experiment to understand how the human immune system reacts to spaceflight conditions. The goal is to inform astronauts on potential infections during long-duration missions.
A new EU grant of EUR 2.5 million will fund research on the sexual biology of malaria parasites to develop novel intervention targets. The project aims to map the functions of approximately 700 parasite genes involved in sexual reproduction to prevent malaria transmission by mosquitoes.
Researchers discovered malaria parasites in 21% of white-tailed fawns in Florida, with infected deer more likely to die during the first year. The study's findings suggest that young animals are particularly vulnerable to these parasites.
A new study finds nearly one in four blood bank supplies contain malaria parasites, putting children and pregnant women at risk. The lack of sensitive diagnostic technology exacerbates the issue, highlighting the need for better vigilance and screening practices to keep blood banks safe.
Research found that infected children produce distinctive chemical fingerprints in their skin odors, making them more attractive to malaria mosquitoes. The study identified key volatile chemicals, including aldehydes, which are detected by mosquitoes and increase attractiveness.
A team of researchers from the Wellcome Sanger Institute has discovered a human receptor protein on the surface of cells that malaria parasites interact with as they navigate through the body. This finding provides a key clue in understanding how to develop an effective malaria vaccine, potentially saving millions of lives.
Researchers have developed the Malaria Cell Atlas, a reference map that maps malaria parasite development in unprecedented detail. The atlas allows for the identification of weak points in the parasite's lifecycle, paving the way for intervention with drugs and vaccines.
Researchers discovered a key step in blood digestion that can be targeted to disrupt hookworm development. Testing quinolones disrupted hemozoin formation, interrupting development and reproduction, offering promise for new treatments against human-infecting hookworms.
A novel enzyme with GNA1 function has been identified as a key player in the survival and infectivity of Apicomplexan parasites. The discovery paves the way for the development of targeted therapies against malaria and other parasitic diseases.
A team of researchers has identified a 'genetic fingerprint' associated with the most deadly strains of malaria parasites. They found that only 20-30 var gene pieces were being expressed at a higher rate in patients with severe malaria, providing promise for new targets for vaccine design.
Researchers discovered a protein, GDV1, that triggers the switch to gametocyte production in malaria parasites. This could lead to new therapies and tools for controlling malaria transmission.
Human-provided food resources can alter animal migration patterns and increase disease transmission, as they allow some animals to forego migration and form resident populations. This can lead to a longer parasite transmission season and support more virulent parasites, posing risks to public health and conservation.
A new study suggests that managing eating habits, particularly meal times, could help control malaria infections. Researchers found that malaria parasites in infected mice timed their daily multiplication and invasion of red blood cells to match the animal's feeding schedule.
Scientists have developed a new CRISPR/Cas9 system that can delete genes from mosquitoes, making them resistant to the malaria parasite. The FREP1 gene is identified as a malarial host factor and its deletion significantly reduces malaria parasites' ability to survive and multiply.
Researchers identified two key proteins crucial for malaria parasites' escape from red blood cells and infection of fresh cells. The discovery offers potential new treatment targets against the deadliest malaria parasite, Plasmodium falciparum.
Researchers have discovered that human antibodies can prevent malaria spread by destroying parasites in mosquitoes and preventing fertilization. This finding holds promise for developing a vaccine to halt the disease's transmission, which could significantly reduce global malaria burden.
Researchers found that sick bees living with the gut parasite Nosema ceranae preferred higher-quality pollen when given the option. This preference could influence which flowers are visited by bees, impacting both native and crop pollination.