Photodynamic therapy with endogenous pro
β
J.C. Kennedy; R.H. Pottier; D.C. Pross
π
Article
π
1990
π
Elsevier Science
π
English
β 325 KB
5-Aminolaevulinic acid (ALA) is a precursor of protoporphyrin IX (Pp IX) in the biosynthetic pathway for haem. Certain types of cells have a large capacity to synthesize Pp IX when exposed to an adequate concentration of exogenous ALA. Since the conversion of Pp IX into haem is relatively slow, such