Acne is the most common skin condition in the United States, affecting up to 50 million Americans annually. 1; Acne often causes significant physical and psychological problems such as permanent scarring, poor self-image, depression and anxiety. 2; See your dermatologist for the successful diagnosis and treatment of acne.
Mechanism of action. It is a phosphodiesterase-4 inhibitor, mainly acting on phosphodiesterase 4B (PDE4B), which causes inflammation. Chemically, crisaborole is a phenoxybenzoxaborole. It contains a boron atom that helps penetrate the skin and is essential for its binding activity.
Indoleamine 2,3-dioxygenase is the first and rate-limiting enzyme of tryptophan catabolism through kynurenine pathway, thus causing depletion of tryptophan which can cause halted growth of microbes as well as T cells.osmarinic acid inhibits the expression of indoleamine 2,3-dioxygenase via its cyclooxygenase-inhibiting properties. COX-2 inhibitors down-regulate indoleamine 2,3-dioxygenase, leading to a reduction in kynurenine levels as well as reducing proinflammatory cytokine activity.