Researchers found benznidazole improves clinical and parasitological outcomes in Chagas patients treated early, lowering mortality rates and parasite counts. This study provides evidence for using benznidazole to treat early-stage Chagas disease.
Researchers discovered that cancer-causing papillomaviruses diverged from their common ancestors half a million years ago, coinciding with the split between Neanderthals and modern humans. The viruses adapted to specific host ecosystems and then coevolved with primates for at least 40 million years.
A study reveals lymph nodes as reservoirs of persistent tuberculosis infection, where the bacteria can persist for extended periods. This finding has significant implications for tuberculosis treatment and patient outcomes.
A systematic review of US-based studies reveals confusion and gaps in participants' understanding of genetic privacy. Participants frequently conflate privacy with confidentiality, control, and security, but also value benefits such as access to genetic information from tests over privacy protection.
Bombardier beetles prefer resting in groups of multiple species over solo sheltering, possibly due to shared defense chemistry recharging. The study found that groups contained up to eight bombardier species, often with distantly related ones.
A PLOS Neglected Tropical Diseases study finds that 7.3% of Gabonese adults and teens are infected with HTLV-1, a risk factor for adult T-cell lymphoma and other diseases. The study calls for nationwide sexual health programs, blood donor screening, and pregnant woman education to combat transmission.
A study found that male humpback whales reduce or cease singing in areas with high human shipping noise. The authors suggest that ceasing vocalization and moving away may be cost-effective adaptations to avoid the noise.
A study published in PLOS ONE found that the glass sponge Vazella pourtalesi has persisted on the Scotian Shelf, which experiences strong multi-decadal variability in temperature and salinity. The sponge's ability to adapt to these changes suggests its potential response to future climate change.
Researchers analyzed DNA from kissing bugs to understand the complex interactions between humans, parasites, and microbes involved in Chagas disease. The study found two strains of Trypanosome cruzi and a higher bacterial species richness in infected insects.
New research reveals that not all prion strain combinations result in interference, suggesting greater strain diversity than previously thought. The study found that co-infecting strains amplify independently, changing the paradigm of prion strain interactions and implications for interspecies transmission.
A new study published in PLOS Biology introduces a tool to assess mouse distress through voluntary wheel running, showing strong correlation with experimental colitis severity. The findings may simplify statistical analysis in future trials and provide a better way to implement the 3R principles into biomedical research.
A study published in PLOS ONE found that species diversity on the Arctic floor follows a similar pattern to temperate waters, with biomass decreasing as depth increases. The research sheds light on the effects of climate change on vulnerable Arctic waters.
A study published in PLOS ONE found that virtual reality systems can aid perspective-taking and foster empathy, leading to more altruistic behaviors. Participants who used VR reported higher levels of empathy and were more likely to sign petitions supporting homeless populations.
A mouse study found that paternal sperm DNA epigenetic changes may cause cognitive deficits in offspring, regardless of exposure to secondhand smoke. The effects were seen in both male and female mice, but were more pronounced in females.
Research from mainland China, Hong Kong, and Taiwan reveals a significant preference for cesarean delivery among women, with rates exceeding 30% in these regions. The primary reasons cited are the fear of pain during labor, antagonistic relationships with healthcare providers, and concerns over deteriorating quality of care during birth.
Researchers discover plant-based compound rutin reduces bleeding and inflammation caused by snake venom, offers potential co-treatment with antivenom for snakebite patients in countries without access to antivenom. The study's findings indicate a great potential for rutin as an ancillary drug in conjunction with antivenom therapy.
A genetic mutation in IFNλ4 reduces its effectiveness against the hepatitis C virus in humans compared to chimpanzees and African Pygmies. This discovery highlights a potential weakness in human immunity to certain viral infections.
Research finds that infants' early speech production can predict their later literacy skills. Children with more complex babble as infants performed better in letter identification tests at age six.
Researchers analyzed charcoal and pollen remains to infer a long history of human occupation at Koh Ker, contradicting traditional abandonment theory. The study suggests the region was occupied from the late 7th century CE, continuing for seven centuries or more after the royal seat's departure.
A study published in PLOS ONE reveals that modern humans colonized Madagascar thousands of years later than previously thought. The research, led by Atholl Anderson, analyzed animal bone material and found evidence of megafaunal extinction starting around 1200 years BP.
Research reveals distinct molecular pathways underlying nearsightedness and farsightedness, providing framework for new treatment options. Myopia and hyperopia develop through different eye growth mechanisms, with potential for drug targets identified.
A study published in PLOS Medicine found that fewer than half of people with HIV are retained in care three years after release from incarceration. The study suggests that better access to health insurance and transitional case-management services may improve retention in HIV care and viral suppression.
A new collection in PLOS Biology explores the challenges of using stories to communicate scientific evidence around climate change, highlighting the need for accurate narrative without sacrificing scientific accuracy. The collection features articles on strategies for climate communication, storytelling frameworks, and the importance o...
A study on scarab beetles found that horns developed from the same head regions, with common genes controlling their formation. The research suggests deep parallels in horn evolution between distant species.
A study published in PLOS Pathogens reveals how malaria infection triggers the immune system's first line of defense by activating natural killer cells through the MDA5 receptor. Treatment with a small molecule that activates MDA5 restores the ability of non-responder natural killer cells to clear infected red blood cells.
Researchers developed nanoparticles that bind to venom toxins, mitigating local damage and systemic distribution of toxins in mouse experiments. The treatment has the potential to be administered subcutaneously after a bite, offering a new approach to treating snakebites in rural settings.
A DNA study of over 6,000 dogs found that a specific genetic duplication on chromosome 18 is strongly associated with blue eyes in Siberian Huskies. This discovery sheds light on the genetic underpinnings of eye color in dogs and demonstrates the power of consumer genomic data.
Fossil teeth from Italy's Fontana Fanuccio and Visogliano sites show Neanderthal dental features emerged by 450,000 years ago, adding to the understanding of a period of complex human evolution. The discovery supports an early divergence of the Neanderthal lineage and suggests multiple human lineages inhabited the region.
A study of Early Pleistocene Homo antecessor teeth reveals similarities with Neanderthals in enamel distribution, but not thin enamel characteristic of Neanderthals. The findings suggest that certain dental traits arose earlier than previously thought, highlighting the complex evolution of hominin dentition.
Receiving hugs on days with interpersonal conflict was associated with smaller decreases in positive emotions and increased negative emotions. The effects of hugs may have lingered, as interviewees reported continued attenuation of negative mood the next day.
Researchers found that gas bubbles released during photosynthesis produce a 'ringing' sound, correlating with algal cover on coral reefs. This discovery may enable rapid and inexpensive estimation of algal abundance, a key indicator of stress on coral reefs.
The oldest well-dated specialized bone tool associated with the Aterian culture of the Middle Stone Age has been discovered in Morocco, dating back approximately 90,000 years. The tool's origins and manufacture are distinct from similar-aged sub-Saharan artefacts, suggesting a unique technological industry in North Africa.
Researchers propose natural adaptive therapies to keep cancer in check by mimicking the immune system's approach. These therapies aim to stabilize tumor size and slow resistance evolution.
A study found that weak magnetic fields stimulate the production of reactive oxygen species in human cells, which can be beneficial or harmful. The protein cryptochrome is involved in this process, helping to explain the effects of PEMF-based therapies on diseases like depression and Parkinson's disease.
The discovery of mummified Sacred Ibises in France after Napoleon's conquest of Egypt played a significant role in delaying the acceptance of evolutionary theory. The debate between Georges Cuvier and Jean-Baptiste Lamarck over these birds' classification highlighted the influence of charismatic personalities on scientific thought.
Researchers have discovered three genetic variants associated with chronic back pain, which may provide clues for understanding its occurrence. The study found that these variants are linked to genes controlling skeletal development and spinal cord function.
A study found that 67% of vampire bats in Belize and Peru are infected with Bartonella bacteria, which can cause endocarditis. The research suggests transmission may occur through bites or environmental contamination, highlighting the risk of cross-species transmission.
Researchers found that private healthcare providers in urban India deliver inadequate TB care, with only 35% adhering to national and international standards. The study highlights the need for improved training and protocols to enhance TB management in the country's private sector.
A study published in PLOS Biology found that infants' attention to fearful faces at seven months predicts altruistic behavior at 14 months. The analysis revealed that brain responses in the dorsolateral prefrontal cortex measured through functional near-infrared spectroscopy also predicted altruistic behavior.
A non-pathogenic fungus can expand in the intestines of antibiotic-treated mice and enhance the severity of allergic airways disease. The study suggests that alterations in gut microbiota induced by intestinal fungi might be a previously unrecognized but potentially important risk factor for patients with asthma.
Researchers identified 20 critical points for disease detection, assessment, and patient communication to strengthen Japan's preparedness plans. Gaps in current controls, including missed cases at accommodations and communication failures, were highlighted.
Enterococcus faecalis relies on manganese acquisition systems for virulence, which are essential for growth in manganese-restricted environments. Inactivating these transporters led to a loss of virulence in animal models, making them promising targets for new antimicrobial therapies.
A large European cohort study found that consuming foods with lower nutritional quality ratings is associated with a higher risk of developing certain types of cancer, including colon-rectum and breast cancers. The study used the British Food Standards Agency nutrient profiling system to evaluate food intake data from over 471,000 adults.
A recent study reveals that historical bias in research funding mechanisms and social forces reinforce the focus on established genes, leading to an under-studied 80% of all human genes. The researchers discovered that poorly characterized genes have a 50% lower chance of becoming independent researchers.
A new study found that CD4+T cells play a crucial role in protecting against Zika-induced neurological symptoms. Mice lacking these immune cells showed more severe symptoms and increased mortality, highlighting the need for vaccines that elicit robust CD4+T cell responses.
A study published in PLOS ONE found that early-career scientists who received first-time NIH grants are successful in obtaining subsequent funding. These researchers consistently submitted more applications per year, renewal applications, and to multiple NIH Institutes. They also demonstrated better grant writing skills and project scope.
Researchers identified 40 different Leptospira strains in Uruguay cattle, including rare isolates and serotypes matching those found in human leptospirosis patients. The discovery highlights the need for improved diagnostic tools and vaccination strategies to mitigate the risk of human infection.
A new study reveals how KSHV protein LANA drives chromosomal instability, promoting cell proliferation and aneuploidy. The findings identify NNLS as a promising target for antiviral therapies.
Researchers found evidence of captive jaguar and puma in ancient Mesoamerica, used in rituals and trade networks across the region. Stable isotope analysis suggests some animals originated from distant regions, confirming earlier research on animal captivity and trade.
A study found that spring is arriving early in 76% of US National Wildlife Refuges, but not uniformly across migratory bird routes. The team's analysis suggests that higher latitudes are advancing more rapidly than lower latitudes, threatening the synchronization of species with their habitats.