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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 [...]

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 [...]

Shortly after the explosion in microcephaly cases caused by Zika virus in Brazil in 2015-16, several scientific studies were published with evidence that the pathogen is capable of crossing the human placenta, the organ that keeps the fetus connected to the mother's body during pregnancy. From then on, the states began following a protocol established by the National Ministry of Health requiring collection of placental samples to help diagnose the disease in women with symptoms during [...]

Autism has long been associated only with behavioral and environmental factors, but the role of genetics in its development is now increasingly evident. Some 100 genes have been found to play a role in autism spectrum disorder, and another thousand are being studied to the same end. The diagnosis and treatment of the disorder on a genomic basis are hindered by this variability. However, a new study conducted at the University of São Paulo's Institute of Biosciences (IB-USP) in [...]

Immune system cells in the blood of breast cancer patients undergo alterations early in the disease course, according to a study published in the journal Clinical & Translational Immunology. The authors believe that this discovery may contribute to the early identification of aggressive tumors and help enhance personalized immunotherapy strategies in the future. The study was conducted while Rodrigo Nalio Ramos was doing a doctoral research internship at Claude Bernard University in Lyon, [...]

In São José do Rio Preto, state of São Paulo (Brazil), almost a third of the population aged 10-40 are estimated to have no antibodies against measles, according to a new study that tested 981 people in various age groups. São José do Rio Preto is the largest city in the state’s northwestern region, with approximately half a million inhabitants. According to the survey, 32.9% of those tested in the under-40 age group were not immune to measles, compared [...]

Only two days after Latin America’s first case of coronavirus was confirmed in São Paulo, the largest Brazilian city, researchers at Adolfo Lutz Institute (IAL), the University of São Paulo (USP) in Brazil and the University of Oxford in the UK have published the complete genome sequence for the virus, which they call severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2). The report was published on February 28 on Virological.org, a forum for discussion and data [...]

Original story by Maria Fernanda Ziegler, Agência FAPESP Using human blood cells, Brazilian researchers have succeeded in obtaining hepatic organoids (“mini-livers”) that perform all of the liver’s typical functions, such as producing vital proteins, storing vitamins, and secreting bile, among many others. The innovation permits the production of hepatic tissue in the laboratory in only 90 days and may in the future become an alternative to organ transplantation. The [...]

In Brazil, scientists affiliated with the Human Genome and Stem Cell Research Center (HUG-CELL) at the University of São Paulo (USP) have identified a molecule capable of reducing the aggressiveness of embryonal central nervous system tumors. These are malignant tumors that start in fetal cells in the brain and mainly affect children up to four years old. The results are published in the journal Molecular Oncology. HUG-CELL is one of the Research, Innovation and Dissemination Centers [...]