Protective effects of a novel thromboxane analog in lethal traumatic shock. 1979

A M Lefer, and H Araki, and J B Smith, and K C Nicolaou, and R L Magolda

Pinane thromboxane A2 (PTA2) an analog of thromboxane A2 that inhibits the formation of thromboxanes as well as antagonizes their biological actions, at an infusion rate of 1.0 mumole . kg-1 . h-1, prolonged survival in traumatic shock in rats. PTA2 also prevented the accumulation of thromboxane B2, the lysosomal protease, cathepsin D, and the cardiotoxic peptide MDF in the circulating blood.

UI MeSH Term Description Entries
D009201 Myocardial Depressant Factor A low molecular weight peptide of about 800-1000 having a negative inotropic effect. It is released into the circulation during experimental hemorrhagic pancreatitis, severe ischemia, and postoligemic shock. Depressant Factor, Myocardial,Factor, Myocardial Depressant
D002403 Cathepsins A group of lysosomal proteinases or endopeptidases found in aqueous extracts of a variety of animal tissues. They function optimally within an acidic pH range. The cathepsins occur as a variety of enzyme subtypes including SERINE PROTEASES; ASPARTIC PROTEINASES; and CYSTEINE PROTEASES. Cathepsin
D000081008 Bicyclic Monoterpenes Monoterpenes containing two ring structures that are joined either by bridgehead carbon atoms or fused ring structure. Camphene Derivatives,Camphenes,Carane Derivatives,Caranes,Pinane Derivatives,Pinanes,Thujane Derivatives,Thujanes,Derivatives, Camphene,Derivatives, Carane,Derivatives, Pinane,Derivatives, Thujane,Monoterpenes, Bicyclic
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012774 Shock, Traumatic Shock produced as a result of trauma. Traumatic Shock
D013928 Thromboxane A2 An unstable intermediate between the prostaglandin endoperoxides and thromboxane B2. The compound has a bicyclic oxaneoxetane structure. It is a potent inducer of platelet aggregation and causes vasoconstriction. It is the principal component of rabbit aorta contracting substance (RCS). Rabbit Aorta Contracting Substance,A2, Thromboxane
D013929 Thromboxane B2 A stable, physiologically active compound formed in vivo from the prostaglandin endoperoxides. It is important in the platelet-release reaction (release of ADP and serotonin). B2, Thromboxane
D013931 Thromboxanes Physiologically active compounds found in many organs of the body. They are formed in vivo from the prostaglandin endoperoxides and cause platelet aggregation, contraction of arteries, and other biological effects. Thromboxanes are important mediators of the actions of polyunsaturated fatty acids transformed by cyclooxygenase. Thromboxane
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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