As people grow older, the same brain chemistry that once supported sharp thinking and stable mood can quietly start to work ...

New research suggests that amino acids, the fundamental components of life, may have arrived on Earth carried by interstellar ...

Amino acids are molecules fundamental to living organisms because they combine to build proteins, the workhorses of the cell. One metabolic pathway that produces amino acids involves transamination, a ...

Since the discovery of the double-helical structure of DNA and postulation of the central dogma of molecular biology, stating that the flow of genetic information goes from DNA to RNA to protein, the ...

The tumor microenvironment is not just a site of cancer growth—it is a high-stakes metabolic contest where tumor and immune cells vie for limited resources. Amino acids, once seen as passive nutrients ...