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Scientists have found that the fat around the liver, intestines and other organs, or visceral fat, contributes more towards severe COVID-19 than does subcutaneous fat, or fat under the skin as in “love handles”, according to a study. Visceral fat is usually considered a risk factor for cardiovascular disease, diabetes and high blood pressure. The researchers at the State University of Campinas (UNICAMP) and the University of Sao Paulo (USP) also found that when visceral [...]

Madagascar's nature is so unique that 82 per cent of its plant species and 90 per cent of its animals are endemic, found exclusively on the island off the coast of Southeast Africa. A population so impoverished that the country's human development index (HDI) is one of the lowest in the world and lives among this rare biodiversity, creating the problem of balancing conservation with economic and social growth. Two studies published in the journal Science by researchers affiliated with [...]

Rapid, low-cost, and accurate tests are still required for epidemiological surveillance and healthcare services to monitor and contain the spread of SARS-CoV-2. Brazilian researchers have contributed to this field’s efforts by creating an electrochemical immunosensor that identifies antibodies against the virus. The innovation is described in an article published in the journal ACS Biomaterials Science and Engineering. In search of a novel diagnostic method, the group opted for a [...]

Scientists have uncovered a new mechanism that could help explain why some Covid infected people develop a potentially fatal systemic inflammation, according to a study. Researchers at the University of Sao Paulo (USP) in Brazil have found that severe COVID-19 is associated with an imbalance in an important immune system signalling pathway. The researchers detected "dysregulation", or a dysfunctional regulation, of the immune system mediated by adenosine triphosphate (ATP), one [...]

Two recent papers by Brazilian researchers have added to the scientific understanding of the genetic factors that protect people from SARS-CoV-2 infection or prevent progression to severe Covid-19. The first describes the findings of a study involving a group of resilient older people aged 90 or more, while the second examines a case of severe Covid-19 in identical twins, only one of whom had long-term symptoms of the disease. Since 2020, researchers in several countries, including Brazil, [...]

Capuchin monkeys (Sapajus spp.) are among only a few primates that use tools in day-to-day activities. In the Cerrado and Caatinga, they use stones as hammers and anvils to crack open cashew nuts, seed pods of Hymenaea courbaril (West Indian locust; jatoba in Brazil) and other hard foods. In an article published in Scientific Reports, Brazilian researchers show that food hardness and tool size do not always correlate as closely as has been thought. In their study, the researchers observed [...]

Washington: Scientists have shown for the first time that infection by SARS-CoV-2 changes the functioning of host cell RNA, according to a study. The scientists at the Federal University of Sao Paulo (UNIFESP), Brazil, arrived at this conclusion by analysing thirteen datasets obtained during four studies of viral, human and animal cell RNA. RNA in a cell, or Ribonucleic Acid, just like DNA, stores genetic information. RNA transmits genetic information from DNA to the cytoplasm, the external [...]

Washington [US], October 20 (ANI): According to a Brazilian study published in Scientific Reports, artificial intelligence (AI) can be used to develop efficient models for the genomic selection of sugarcane and forage grass varieties and predict their field performance based on their DNA. In terms of accuracy compared with traditional breeding techniques, the methodology developed with support from FAPESP improved predictive power by more than 50%. This is the first time a highly efficient [...]

According to a study, reducing protein consumption can help regulate metabolic syndrome and some of its key symptoms, such as obesity, diabetes, and high blood pressure (hypertension). An article reporting the study is published in the journal Nutrients. Metabolic syndrome is a cluster of conditions that heighten the risk of cardiovascular disease, stroke and diabetes, including hypertension, high blood sugar, excess body fat around the waist and abnormal cholesterol levels. ALSO READ: [...]