Zika: new technique detects infection with virus more efficiently
One of the biggest problems of diagnosing the Zika virus is that it is usually diagnosed when it is still active in the body, but after that it is very difficult to determine if the person had the disease. As the life cycle of the virus is very short, which greatly limits the diagnosis. P>
But a team of researchers at the Institute of Biomedical Sciences (ICB) of the University of São Paulo (USP) seems to have solved this problem. Instead of locating the DNA of the virus in the body as the PCR does, it detects the presence of antibodies against the virus, even after the antigen has been cleared by the body. But a team of researchers at the Institute of Biomedical Sciences ICB) of the University of São Paulo (USP) seems to have solved this problem. Instead of locating the DNA of the virus in the body as the PCR does, it detects the presence of antibodies against the virus, even after the antigen has been cleared by the body.
"With this method we can demonstrate the specificity of virus detection Zika, overcoming a serious deficiency of the serological systems available so far, "explains Professor Luís Carlos de Souza Ferreira, Deputy Director and coordinator of the ICB Vaccine Development Laboratory, in an interview with the USP News Agency.
A study published in the online edition of the magazine Lancet has shown that measuring systolic blood pressure in both arms can be an effective way to detect silent vascular problems. The analysis was led by researchers at Exeter University in England. Is your blood pressure healthy? To reach this conclusion, the researchers reviewed 28 previous studies that had measured the pressure of the participants involved in the right and left arm.
The results showed that mice that consumed coffee were able to produce the same enzyme levels as normal mice. In addition, caffeine has also improved the memory of genetically engineered mice to produce high levels of Tau. Thus, scientists believe that eliminating Tau protein is essential for combating neurodegenerative diseases.
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