Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), identified as the causative agent of the COVID-19 (coronavirus disease 2019) pandemic, was first detected in Wuhan, China late December ...

DNA is composed of nucleobases represented by the letters A, T, G and C. They form the basis of the genetic code and are present in all living beings. But in a bacteriophage, another base, represented ...

This image illustrates the chemical structure of a purine molecule, highlighting the numbering of the carbon and nitrogen atoms. The purine structure consists of a pyrimidine ring (positions 1 to 6) ...

Although MTX was initially introduced as a chemotherapeutic agent for the treatment of malignancies, it is clear that, in the doses used, the mechanism of action in the suppression of inflammation ...