Biochemistry and molecular biology

A blood test for circulating tumor DNA can reveal what’s going on below the surface of malignant melanoma

Molecular testing is changing the face of healthcare. But how far should it go?

Hirschsprung disease (HSCR) is a congenital form of megacolon that occurs when the ganglion cells of the digestive tract fail to develop, impairing or eliminating function.

A unique odor signature in the urine of Alzheimer’s mouse models may one day lead to simple tests for the disease

Urine cathepsin C testing may offer quicker, cheaper Papillon-Lefèvre syndrome detection

Insulin resistance in the brain adds a new dimension to Alzheimer's disease understanding.

Iron's influence on neurodegenerative disease may support prevention or early diagnosis.

Examining the genetic and neuropathophysiological factors in Alzheimer's disease.

Mass spectrometry imaging can map cellular composition in unprecedented 3D resolution.

H. pylori's attachment protein contains a disulfide group that may be its downfall.