PCOL (Eicosanoids)

Chemotaxis

Movement of inflammatory cells on the site of injury

Monocytes

In blood

Macrophage

In tissue

PLA2

Phospholipids > Arachidonic acid

PLC

Phosphatidylinositol > Arachidonic acid

COX

Arachidonic acid > Prostanoids

LOX

Arachidonic acid > Leukotrienes

LTB4

Chemotactic factor= chemotaxis (inflammation)

LTC4 and LTD4

Slow reacting subs of anaphylaxis (SRSAs)

TXA2, PGF

Vasoconstriction

PGI2, PGE Series

Vasodilator

LTC4 and LTD4

Bronchoconstriction

PGI2, PGE Series

Bronchodilation

PGE Series

Cytoprotection

PGE Series, PGF

Contraction of uterus, dysmenorrhea

TXA2

Platelet aggregation (clot)

PGI2, PGE1

Inh. Platelet aggregation (bleed)

PGF alpha

Decrease IOP

Misoprostol (Cytotec)

PGE1 analog; Cytoprotection

Misoprostol

Tx of NSAID induced ulcer; abortifacient

Epoprostol

PGI2 analog; vasodilation (Mgt of primary pulmonary HTN)

Dinoprostone

PGE2 analog; cervical ripening; abortifacient

Alprostadil

PGE1 analog, vasodilation; mgt of erectile dysfunction

Latanoprost

PGF2 alpha analog; Mgt of glaucoma