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The efficacy of biosensors used in clinical tests depends critically on the surface of the device on which the biorecognition molecules are immobilized. This surface can be adjusted and sometimes controlled using self-assembled molecular monolayers as matrices. The monolayers are films made up of organic molecules that under the right conditions assemble spontaneously on metal surfaces via chemical bonds between the sulfur atoms and the metal. A study conducted at the University of [...]

Brazilian researchers who study a native venomous fish have confirmed a route to drug development for the treatment of chronic inflammatory diseases such as multiple sclerosis and asthma. The venomous toadfish Thalassophryne nattereri contains a peptide (TnP) with anti-inflammatory and anti-allergic potential. Confirmation of this potential has now come via the zebrafish Danio rerio, a popular aquarium species native to South Asia that shares 70% of its genome with humans and is widely used as [...]

A paper by a multidisciplinary team of scientists affiliated with various Brazilian institutions, including the University of São Paulo (USP) and the National Cancer Institute (INCA), shows that people of African descent are less likely to find a donor in the National Register of Voluntary Bone Marrow Donors (REDOME) than people with predominantly European ancestry. The paper is published in Frontiers in Immunology. REDOME is the world’s third-largest bone marrow bank, with more [...]

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 [...]

A paper published inScientific Reportsdescribes how researchers affiliated with the University of São Paulo’s Medical School (FM-USP) in Brazil and colleagues at institutions in Europe evaluated behaviors leading to weight gain in adolescents. Childhood obesity can favor the premature emergence of health issues such as type 2 diabetes and cardiovascular disease. The main finding is that skipping breakfast, a common habit among teenagers, correlates directly with increased waist [...]

Researchers at the São Paulo State Cancer Institute (ICESP) in Brazil have succeeded in using a genetically manipulated virus to destroy tumor cells upon injection into mice with prostate cancer. The virus also made tumor cells more sensitive to chemotherapy drugs, halting tumor progression and almost eliminating tumors in some cases. The results were obtained by a team led by BryanEric Strauss, head of the Viral Vector Laboratory at ICESP’s Center for Translational Research in [...]

Curcumin is widely used to impart color and flavor to food, but scientists have discovered that this yellow powder derived from the roots of the turmeric plant (Curcuma longa) can also help prevent or combat stomach cancer. The study by researchers at the Federal University of São Paulo (UNIFESP) and the Federal University of Pará (UFPA) in Brazil identified possible therapeutic effects of this pigment and of other bioactive compounds found in food on stomach cancer, the third [...]