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Researchers affiliated with the University of São Paulo’s Ribeirão Preto Medical School (FMRP-USP) in Brazil have demonstrated the potential of a leukemia drug, arsenic trioxide, to treat medulloblastoma, a type of brain cancer most common in children. When they tested arsenic trioxide on cells taken from one of the most aggressive subgroups of this type of tumor, they obtained promising results in terms of tumor cell death. The drug also made the tumor cells more sensitive [...]

Aspergillus latus, a species of fungus previously found only in soil or plants, has been found for the first time in a hospital environment by an international group of researchers. The group sequenced its genome and discovered that it is actually a hybrid and is up to three times more drug-resistant than the two species from which it derives. An article on the study is published in Current Biology and coauthored by researchers from Brazil, the United States, Portugal and Belgium. The research [...]

A study conducted by scientists at São Paulo State University's Institute of Geosciences and Exact Sciences (IGCE-UNESP) in Rio Claro, Brazil, has identified 19 asteroids of interstellar origin classified as Centaurs, outer Solar System objects that revolve around the Sun in the region between the orbits of Jupiter and Neptune. An article on the study titled "An interstellar origin for high-inclination Centaurs" is published in the Royal Astronomical Society's Monthly [...]

Researchers affiliated with the Genomics for Climate Change Research Center (GCCRC), hosted by the University of Campinas (UNICAMP) in the state of São Paulo, Brazil, have discovered a protein involved in corn's resistance to dry weather, high temperatures, and fungal invasion. This finding paves the way for the development of more drought-resistant plants and products that reduce losses in production at a time when global climate change threatens crop yields around the world. An [...]

Caecilians are limbless amphibians that, to the untrained eye, can be easily mistaken for snakes. Though caecilians are only distantly related to their reptilian cousins, researchers in a study appearing July 3 in the journal iScience describe specialized glands found along the teeth of the ringed caecilian (Siphonops annulatus), which have the same biological origin and possibly similar function to the venom glands of snakes. If further research can confirm that the glands contain venom, [...]

The firm plans to produce ELISA kits that will detect antibodies against the novel coronavirus in blood serum. Researchers at Biolinker, a biotech startup based in São Paulo, Brazil, are developing a low-cost high-performance COVID-19 diagnostic test using only locally sourced inputs. Biolinker is incubated at the University of São Paulo’s Center for Innovation, Entrepreneurship and Technology (CIETEC), jointly run by the University of São Paulo (USP) and the [...]

Researchers at São Paulo State University (UNESP) in Araçatuba, Brazil, have developed a computational tool that acts like a "COVID-19 accelerometer," plotting in real time the rate at which growth is accelerating or decelerating in more than 200 countries and territories. Available free of charge online, the application automatically loads the most recent notified case numbers from the European Center for Disease Prevention and Control (ECDC), updated daily, and [...]

A paper recently published in Nature Communications is the first to show a connection between demand from certain developed countries for agricultural commodities and the growing risk of malaria in the countries that supply those goods. The study was conducted by scientists affiliated with the School of Public Health of the University of São Paulo (FSP-USP) in Brazil and colleagues at the University of Sydney in Australia. According to the article, approximately 20% of the malaria risk [...]

Exposure to ultraviolet (UV) radiation is a risk factor for skin cancer and other diseases. The risk increases when sunlight, the natural source of UV radiation, is combined with artificial sources such as UV lamps for medical therapy, among others. Detecting and measuring UV exposure in different environments was the scope of a research project conducted in Brazil at the São Paulo Federal Institute of Education, Science and Technology (IFSP) in collaboration with the University of [...]