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The use of cell therapy to treat COVID-19 patients can reduce the risk of death from the disease by 60%, according to a systematic review and meta-analysis conducted by researchers at the University of São Paulo (USP) in Brazil, in partnership with colleagues in Germany and the United States. Their findings are reported in an article published in the journal Frontiers in Immunology. The review covers 195 clinical trials of advanced cell therapies targeting COVID-19 [...]

A study published in the journal Foods provides an overview of research on minimally processed vegetables (MPVs), with a specific focus on the Brazilian market. Data are presented on hygiene indicators and pathogenic microorganisms, especially Escherichia coli (the main indicator of fecal contamination), Salmonella spp., and Listeria monocytogenes, with prevalence rates ranging from 0.7% to 100%, 0.6% to 26.7%, and 0.2% to 33.3% respectively. The article also discusses outbreaks [...]

Obstructive sleep apnea (OSA) consists of multiple episodes of partial or complete closure of the upper airway that occur during sleep, leading to breathing cessation lasting more than ten seconds and sometimes even several minutes, followed by arousals and deep breathing. Symptoms include lack of concentration, fatigue and excessive daytime sleepiness, all of which lower the quality of life and can be incapacitating. Untreated patients are at risk for hypertension, cardiovascular disease, [...]

The first case of concomitant visceral leishmaniasis and non-ulcerated cutaneous leishmaniasis in the same patient has been reported recently by researchers at the Federal University of São Carlos (UFSCar) in São Paulo state, Brazil, in an article published in the International Journal of Infectious Diseases. The patient, a nine-year-old boy admitted to the hospital run by the Federal University of Sergipe (UFS), was infected by Leishmania infantum, a protozoan parasite [...]

A molecule found in the venomous toadfish Thalassophryne nattereri has proven capable of controlling lung inflammation and could be the basis for a more effective asthma drug. The research was conducted by scientists at Butantan Institute in São Paulo, Brazil. An article describing the results is published in the journal Cells. A welter of fish species live in freshwater, seawater, and a mixture of the two, and some of them are venomous. They have spines or stingers connected to venom [...]

Researchers at the University of São Paulo (USP) in Brazil have shown for the first time that gestational obesity associated with infection by Zika virus influences the placenta’s antiviral response, weakening the organ’s capacity to attack the pathogen and protect the fetus. The study results are reported in an article published in the journal Viruses. According to the authors, the findings underscore the importance of adequate antenatal care. “We normally [...]

Consumption of medical drugs such as painkillers, antibiotics, antidepressants and antivirals is rising at breakneck speed. Sales of such drugs are set to reach USD 1.8 trillion worldwide by 2026. The trend reflects the aging of the global population and more frequent outbreaks of epidemic diseases. However, because these drugs are often prescribed in standardized dosages regardless of the patient’s metabolism, clinical conditions and nutritional health, they may fail to have the [...]

Researchers at the University of Campinas (UNICAMP) and the Federal University of São Carlos (UFSCar) in Brazil have developed an electrochemical sensor that detects Parkinson’s disease at different stages. The device was fabricated using an ordinary 3D printer and proved capable of early diagnosis, also serving as a model for the identification of other diseases, according to an article published in the journal Sensors and Actuators B: Chemical. “The sensor rapidly [...]