A study in Brazil found that reducing childhood poverty could prevent up to 22.5% of future criminal convictions. The researchers analyzed 22 risk factors and interviewed over 1,900 children twice, finding that poverty was the only modifiable factor significantly associated with crime.
Researchers found that immune checkpoint blockade therapy may be beneficial for certain cases of severe COVID-19. In pre-clinical trials, treatment with a PD-1 inhibitor restored T cell functionality and reduced inflammation in mice infected by MHV-A59, another betacoronavirus.
A study published in Science Advances reveals that physical exercise triggers a neuromuscular circuit that links the production of interleukin-6 to muscle fat breakdown. This circuit is crucial for weight loss and has significant implications for obesity treatment.
Researchers estimate that opening protected areas to mining would lead to the destruction of 183 km² of forest and further loss of 7,626 km² due to infrastructure construction. The study highlights the need for strategic planning and environmental impact assessments before making changes to conservation policies.
A new study suggests that niclosamide, an anthelmintic drug, shows promise in combating exaggerated inflammation associated with severe COVID-19. The drug's anti-inflammatory effects are attributed to its inhibition of the inflammasome mechanism, a protein complex present in defense cells.
Researchers suggest new criteria for diagnosing sarcopenia, a syndrome characterized by loss of muscle mass and force, with lower cutoff points leading to improved prediction of mortality risk. The study found that raising handgrip strength thresholds can detect the onset of sarcopenia earlier and more accurately.
Researchers used machine learning to predict sugarcane yield based on DNA. The technique improved accuracy by over 50% compared to traditional breeding methods.
Researchers found that subsurface warming in the North Atlantic precedes the release of massive icebergs from Canada and the US, leading to a reduction in surface salinity and AMOC collapse. This finding sheds light on the sequence of events responsible for the collapse of the Atlantic meridional overturning circulation system.
A research team at UFSCar developed a biodegradable slow-release fertilizer using modified nanocellulose, which releases nutrients slowly and in a controlled manner. The material is designed to reduce the release of non-biodegradable chemicals into the ecosystem.
The study analyzed DNA methylation in skin tumor samples, revealing correlations between changes in proteins regulating the organism and prognosis. The results identified potential markers of patient survival and suggested a new route for understanding melanoma subtypes.
Researchers improved the Kitaev spin liquid model by freezing electrons in space, allowing only spin contributions at low temperatures. The study successfully explained experimental data and predicted a topological phase in the presence of an external magnetic field.
A novel COVID-19 vaccine developed by Brazilian scientists combines two SARS-CoV-2 proteins to trigger a cellular immune response. The vaccine, called SpiN, showed promise in animal trials, protecting against three strains of the virus and reducing viral load by up to 50 times.
A workshop on flood risk governance in Brazil and the UK identified research gaps, including local data, integration systems, and visualization tools. Innovative initiatives are being developed using tools such as an app that empowers citizens to input data and improve disaster prevention.
Researchers developed a tool that encodes patient data as DNA sequences to link health databases accurately. The platform uses BLAST and machine learning algorithms to integrate data from multiple administrative databases, overcoming typographical errors and inconsistencies.
A Brazilian study reveals that SARS-CoV-2 targets astrocytes in the brain, reducing neuron viability and causing damage. Infection was confirmed using MRI scans of mild COVID-19 patients and experiments on human nerve cells.
A Brazilian study of 26,616 tree falls in São Paulo found that building height and neighborhood age are key factors influencing the risk of tree failure. Sidewalk width and tree height were also found to be significant variables. The research provides valuable insights for urban planning and tree management in the city.
Using biofertilizer on 80% of their planted area, Brazilian soybean growers enjoy environmental and economic benefits by employing the microbiome instead of chemical fertilizers. The use of biofertilizer saves farmers huge amounts of money, with costs significantly lower than chemical fertilizer.
Researchers have isolated a new fungus, Beauveria caledonica, that can be used for biological control of banana borers and Fusarium wilt, two major threats to tropical and subtropical crops. The fungus produces a secondary compound called oosporein, which intensifies its action against the disease.
A study identified orphan genes in Wild sugarcane that may play a significant role in its stress resistance properties. The researchers believe these genes could be responsible for the species' exceptional resistance to biotic and abiotic stresses.
Researchers developed a faster, more affordable method to analyze serological data and predict COVID-19 wave behavior. The study showed that vaccination boosted immunity, with hybrid immunity producing higher protection levels. Antibody levels rose quickly after the first dose, especially in cities where case numbers were highest.
A randomized clinical trial found that protein restriction diets can lead to weight loss, improved blood sugar and lipid levels, and controlled blood pressure. The study involved 21 patients with metabolic syndrome, who were given either a calorie or protein restriction diet for 27 days.
A Brazilian study analyzed risk factors for heart attacks and found that high blood sugar had the most significant impact on mortality. Reducing smoking prevented most deaths from cardiovascular disease, while lowering diabetes incidence could have saved up to 5,000 lives over a decade.
The study proposes a model to understand the complications caused by zika virus infection during pregnancy. The researchers found that zika virus alters protein expression in neural cells, affecting energy production and RNA metabolism, which can lead to defective myelination and microcephaly.
Researchers found that the Southern cattail plant can scavenge up to 34 times more manganese from contaminated soil than other plants. The study suggests its potential for sustainable rehabilitation of areas affected by iron mine tailings, demonstrating its high efficiency in phytoremediation.
A Brazilian-American research team has identified a subtype of inhibitory interneurons that can gauge speed with great precision. These neurons are more stable than excitatory neurons and may be linked to spatial memory and the ability to remember routes or locations.
The study quantifies the impact of human activity on the Atlantic Rainforest's carbon storage capacity, highlighting that forest degradation leads to significant losses and increased greenhouse gas emissions. Conservation efforts are crucial to reverse these effects and protect the biome's carbon stocks.
A recent study finds that fungal infections during the pandemic are a significant public health problem with limited treatment options. The interaction between pathogen and host may be different in people with compromised immunity, leading to increased mortality rates among severe COVID-19 patients.
Researchers found two distinct populations of the invasive American bullfrog in Brazil, one descended from 1935 introductions and another from the 1970s. The study highlights the need for law enforcement to prevent escape from frog farms.
A novel method developed by Brazilian researchers can analyze bacterial samples without isolating live bacteria, making it easier to detect antibiotic resistance in Streptococcus pneumoniae. The technique was tested on 873 samples and found that 51% were sensitive to antibiotics, while 17% were resistant.
A Brazilian research team has developed a novel method to sort specialty and standard coffee beans using multispectral imaging and machine learning. The technique, which does not require roasting or human intervention, uses images of the beans at different wavelengths to distinguish between quality levels.
A combination of anemia and weak muscles in older people increases the risk of death by 64% for men and 117% for women. The two conditions together pose a significant risk, especially for elderly women, according to a study published in Archives of Gerontology and Geriatrics.
Researchers have made significant breakthroughs in understanding the molecular mechanisms of supratentorial ependymoma, a rare and aggressive form of childhood brain cancer. By targeting the Hedgehog signaling pathway and primary cilia formation, scientists discovered new potential treatments that overcame resistance to existing drugs.
A team of Brazilian researchers has developed a novel technique using light and artificial intelligence to identify the maturity stages of soybean seeds. The method utilizes chlorophyll fluorescence and machine learning algorithms to classify commercial seeds with high accuracy. This innovation avoids destroying seeds, which are then c...
Researchers used satellite imagery and machine learning to pinpoint high-priority areas for deforestation action, reducing the target area by 160,000 km². The study reveals that only 37% of the last three years' deforestation rate was covered by official monitoring in the 11 municipalities.
A study found a strong link between post-COVID loss of smell or taste and memory problems in patients. Those with the most severe sensory disorders performed worse in cognitive tests, especially memorization.
A study published in Lancet Regional Health – Americas found that malaria in pregnancy is still a major public health problem in the North of Brazil, with younger women being most at risk. The researchers believe that expansion of healthcare services and inclusion of artemisinin in therapeutic schemes contributed to the decline in cases.
Researchers found that smells can enhance or hinder our ability to recognize emotions in others' faces. The study used a spectrum of emotions, from extreme joy to neutral, and measured participants' response times.
Brazilian researchers used computer simulations to investigate the superconducting behavior of a dimolybdenum nitride monolayer, finding that it became superconductive at relatively high temperatures and showed strong correlation with strain applied.
Researchers at the University of São Paulo found that deactivating the light-sensitive protein melanopsin slows melanoma progression in animal experiments. The study, published in Communications Biology, suggests that melanopsin acts as an oncogene in melanoma, a type of skin cancer.
Researchers have developed a method to convert methane into methanol under ambient conditions, reducing carbon dioxide emissions and paving the way for alternative fuels. The process uses photocatalysts and has potential to mitigate climate change by utilizing methane reserves.
Researchers have developed an algorithm to identify the protozoan Trypanosoma cruzi in photographs of blood samples taken with a mobile phone camera. The low-cost method can be reproduced and adapted for other purposes that depend on images, such as analyzing feces, skin, or colposcopies.
Researchers have identified a group of deregulated genes in pancreatic cancer that may serve as potential therapeutic targets. These long non-coding RNAs, when silenced, reduced tumor aggressiveness and characteristics such as proliferation and invasion.
A study by Brazilian, Chinese, Australian, and German researchers found that North Atlantic temperature can predict reduced rainfall and intense droughts in the Northeast region of Brazil. The findings suggest a more persistent influence of the North Atlantic than previously thought.
The study found that supplementing diet with taurine can increase levels of the antioxidant enzyme superoxide dismutase and reduce oxidative stress. Taurine supplementation showed modest effects on markers of oxidative stress and mineral levels, suggesting potential benefits for anti-aging therapy.
Researchers at UNICAMP and USP discovered how SARS-CoV-2 recruits cells to replicate through interaction with PCNA, a protein involved in DNA repair. Inhibition of this interaction using a drug reduced viral replication by 15-20%.
A research group at State University of Campinas proposes treating brewery spent grain with ultrasound before digestion by microorganisms, resulting in 56% methane production. The process generates biogas that can be used as vehicle fuel or burned to produce electricity and heat.
Brazilian researchers have identified bioactive compounds in a marine sponge that killed antibiotic-resistant bacteria, paving the way to develop new drugs. The substances proved capable of eliminating bacteria such as Escherichia coli and Staphylococcus aureus, which are responsible for many hospital-acquired infections.
A study of 11,500 athletes found that about 8% experienced persistent symptoms after contracting COVID-19, which can affect training and competing. The study highlights the need for personalized assessment before resuming training and competition in athletes.
A recent study published in International Journal of Molecular Sciences reports the successful testing of Pep19, a synthetic peptide with anti-obesity action. The molecule was found to mitigate weight gain while reducing insulin resistance and liver fattiness in mice fed a high-fat diet.
Despite advances in biology and medicinal chemistry, research on schistosomiasis and other parasitic worm diseases remains at an early stage. Novel molecular targets and parasite signaling pathways may contribute to the development of new treatments.