Based on a reaction between yeast and the novel coronavirus, the test will rapidly detect the presence of SARS-CoV-2 in saliva and will be available by mid-2021.
The phenomenon may be associated with a deficiency of the protein mitofusin-2 in the mother’s eggs, which affects the shape and functioning of mitochondria. The finding was based on experiments with mice conducted at the Federal University of São Carlos and reported in the journal Molecular Human Reproduction.
According to a study published in Frontiers in Immunology, the reason is their genetic heterogeneity and lack of proportional representation in the Brazilian bone marrow bank.
Researchers who studied riverine insect communities in the Atlantic Rainforest and Finland’s boreal forests discovered that random events are more frequent in Brazil.
Experts tell Agência FAPESP about factors that may be associated with the rapid rise in daily case numbers in the capital of Amazonas State, where a six-month state of emergency has been declared.
In a review article published in Frontiers of Endocrinology, Brazilian researchers estimate a reduction of 35% in levels of physical activity and a rise of 28% in sedentary behavior in the initial months of confinement imposed by the pandemic.
Researchers at the University of São Paulo found that the SARS-CoV-2 variant’s spike protein interacted more strongly with the ACE2 receptor used by the virus to invade and replicate in human cells.
Pro-Vaccine Union, an initiative of the University of São Paulo in partnership with other organizations including Research, Innovation and Dissemination Centers funded by FAPESP, is monitoring anti-vaccine groups on Facebook in an effort to understand the workings of the social media ecosystem that spreads disinformation.
In an article published in Nature Communications, Brazilian researchers show for the first time that in severe cases of scorpion envenomation it is the neuroimmune reaction triggered by the venom that leads to death.
After 14 years studying the action of the enzyme LMWPTP in tumor cells, Brazilian researchers conclude that the molecule is associated with chemotherapy resistance and metastasis.
Analysis of the first super slow motion recordings of upward flashes suggests a possible explanation for the formation of luminous structures after electrical discharges split in the atmosphere.
A study conducted by scientists at São Paulo State University demonstrates that animals like peccaries and tapirs boost soil levels of nitrogen, an essential element to plant growth.
When researchers reanalyzed datasets from more than 1,000 patients, they found differences between men and women in the expression of genes associated with the functioning of immune cells and the production of inflammatory molecules. The findings point to possible targets for treatment of both sexes.
Researchers at the University of São Paulo conducted field experiments to estimate the impact of drought and rising temperatures on soil quality and plant health.
Specimens found 5-10 km inland were dated by electron spin resonance and served to refine the usual model, according to which the last time the sea level was higher than today was 120,000 years ago.
Fast-track project selection and the capacity to make efficient use of resources and cross-border partnerships have made funders fundamental to the response to the challenges of COVID-19 in the Americas, according to participants in the GRC’s regional meeting.
The Brazilian research group used epigenetic modulators to try to “erase” the damage done by stress to neuroplasticity. The study showed that acute intervention in epigenetic mechanisms produces antidepressant-like effects more rapidly than conventional drugs.
The researchers used modeling to show which areas are suitable in terms of forest cover and climate for occupation by the endangered species, which is endemic to the state of São Paulo. Their study is a contribution to translocation initiatives that move groups of these animals to areas from which the species has disappeared.
Open-access atlas created by researchers at the University of Campinas provides information on 2,176 human and 3,277 mouse housekeeping genes that can be used as calibrators in experiments designed to measure variations in gene expression.
Discovery by Brazilian scientists paves the way for the study of more potent molecules capable of directly destroying parasites underlying elephantiasis and cutaneous leishmaniasis, with fewer adverse side-effects.
Developed at an Engineering Research Center supported by FAPESP, the novel spectroelectrochemical cell can be used to study the behavior of electrolytes and catalysts by means of X-rays and infrared or even visible light.
The estimate comes from a research project supported by FAPESP to produce scientific input for implementation of Brazil’s new forest code in the state.
Brazilian researchers tested the antichagasic properties of VmCT1, obtained from the venom of Vaejovis mexicanus, a scorpion harmless to humans, and synthesized novel analogs to redesign the native molecule.
The IEA aims to help countries move the bioenergy agenda forward by identifying bottlenecks, recommending solutions and sharing best practices. The initiative was presented during a conference organized by BIOEN, FAPESP’s bioenergy research program.
The raw materials and inputs for vaccines are produced in different countries and subject to undersupply risk, said speakers in a webinar on Facing the Challenges of Vaccine Distribution organized by FAPESP.
The online survey was conducted in Brazil and completed by 938 survivors of the disease whose diagnosis was confirmed by RT-PCR or serological test. Those who regularly had at least 150 minutes per week of moderately intense aerobic exercise or 75 minutes of high-intensity training were considered sufficiently active, in accordance with the WHO’s recommendations.
A study performed at one of the Research Centers supported by FAPESP resulted in development of a novel rehabilitation device. The article was recognized as outstanding by the 20th International Conference on Computational Science and its Applications.
Researchers at the University of Campinas conducted more than 120 experiments with dunes of up to 10 cm that interact for a few minutes, obtaining a model valid for dunes on the surface of Mars that are many miles long and take more than a thousand years to interact.
In experiments by Brazilian researchers with mice and tumor cell lines, the drug showed potential to combat metastasis. The scientists are planning to conduct clinical trials with patients who are on chemotherapy.
Researchers at São Paulo State University reused bacterial cellulose scraps usually thrown away by manufacturers of wound dressings to make strong biodegradable film for food packaging.
An in vitro study by a Brazilian researcher shows that maresin and resolvin synthesized from fatty acid stimulate periodontal ligament stem cells even in the presence of inflammation.
Brazilian researchers show that commercial serological tests available in laboratories nationwide can be used to screen donated plasma in order to see if it contains enough antibodies capable of neutralizing the novel coronavirus
Medication originally developed to kill bacteria displayed the capacity to increase cell energy expenditure in tests with mice. Researchers at the University of Campinas and the biopharmaceutical AstraZeneca are testing compounds with a similar structure that could give rise to novel approaches to the treatment of obesity.
In an article published in the Journal of Pineal Research, researchers at São Paulo State University and collaborators describe a set of genes potentially regulated by the “sleep hormone” in some types of tumor
Experiments with mice and humans showed that exercise training increased the expression in adipose tissue of a key enzyme for the organism’s metabolic health, combating the harmful effects of aging and obesity.
In vitro studies and experiments with mice show that the natural extract was more effective than the only drug available to combat this parasitic disease.
Study reveals different forms of interaction between insect groups: while some caterpillar species have bodies covered with molecules identical to those of the plants they inhabit and are ‘invisible’ to ants, others offer ants nectar in exchange for protection from predators.
Black people and women are worst-off – blacks because they mainly work in the informal sector and women because they are mainly considered non-essential workers.
In defense cells from patients hospitalized with the disease, Brazilian researchers found signs of activation of a protein complex called the inflammasome, responsible for initiating the inflammatory response that can damage organs and lead to death. The findings could help identify drugs capable of interrupting the process.
Study by Brazilian researchers reported in Nature Communications shows that trees are growing faster in forests worldwide, including the Amazon, but their lives are getting shorter.
The special series “Field Diary” (“Diário de Campo”) features University of São Paulo scientists Marcelo Urbano Ferreira and Marly Augusto Cardoso on an expedition to Mâncio Lima, a small town in the Amazon where they collect samples from patients to investigate transmission of the novel coronavirus.
An article in Cell by researchers affiliated with Harvard and the University of São Paulo shows that the metabolite succinate is released by muscle cells during physical exercise and triggers a process of tissue remodeling that makes muscles stronger and enhances metabolic efficiency.
Food engineers in Brazil and France developed gels based on modified starch for use as “ink” to make foods and novel materials by additive manufacturing.
Genetic mapping of the shark’s liver and eye tissue showed overexpression of nine genes known for action in tumor suppression, wound healing, and probable monochrome vision. The species is considered globally endangered and caught on a large scale by industrial fishing vessels.
Researchers at the University of São Paulo identified proteins found at augmented levels in the blood plasma of high-risk patients using equipment present in Brazilian hospitals. The result of the test could help physicians make better-targeted decisions.
With FAPESP’s support, the Nuclear and Energy Research Institute is assembling a world-class laboratory that associates nanotechnology with radiopharmacy. The aim is to develop new products, mainly for cancer treatment.