Structure-function relationship of 3-phosphoglycerate analogues with platelet aggregation and thromboxane A2 formation. 1987

P G Iatridis, and H Hadd, and M Kotrotsou, and L Ling-Indeck, and S G Iatridis

We have studied the effects of 2,3-diphosphoglycerate (2,3-DPG), 3-phosphoglycerate (3-PG), 3-phosphoglyceraldehyde (3-PGA), 2-phosphoglycerate (2-PG) and beta-glycerol phosphate (beta-GP) on platelet aggregation and on thromboxane B2 (TXB2) formation. The results show that 2,3-DPG, 3-PG, and 3-PGA inhibited platelet aggregation and TXB2 formation induced by norepinephrine, ADP, epinephrine, and collagen; but they also induced platelet aggregation and TXB2 formation in the presence of subthreshold concentrations of Na arachidonate. 2-PG and beta-GP were inactive. The results also show that there is a structure-function relationship between 2,3-DPG, 3-PG, and 3-PGA with platelet aggregation phenomena and prostaglandin synthesis.

UI MeSH Term Description Entries
D008297 Male Males
D010974 Platelet Aggregation The attachment of PLATELETS to one another. This clumping together can be induced by a number of agents (e.g., THROMBIN; COLLAGEN) and is part of the mechanism leading to the formation of a THROMBUS. Aggregation, Platelet
D004163 Diphosphoglyceric Acids Glyceric acids where two of the hydroxyl groups have been replaced by phosphates. Bisphosphoglycerates,Acids, Diphosphoglyceric
D005260 Female Females
D005988 Glyceric Acids Three-carbon SUGAR ACIDS with the formula HOCH2(CHOH)COOH. Acids, Glyceric
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013329 Structure-Activity Relationship The relationship between the chemical structure of a compound and its biological or pharmacological activity. Compounds are often classed together because they have structural characteristics in common including shape, size, stereochemical arrangement, and distribution of functional groups. Relationship, Structure-Activity,Relationships, Structure-Activity,Structure Activity Relationship,Structure-Activity Relationships
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
D019794 2,3-Diphosphoglycerate A highly anionic organic phosphate which is present in human red blood cells at about the same molar ratio as hemoglobin. It binds to deoxyhemoglobin but not the oxygenated form, therefore diminishing the oxygen affinity of hemoglobin. This is essential in enabling hemoglobin to unload oxygen in tissue capillaries. It is also an intermediate in the conversion of 3-phosphoglycerate to 2-phosphoglycerate by phosphoglycerate mutase (EC 5.4.2.1). (From Stryer Biochemistry, 4th ed, p160; Enzyme Nomenclature, 1992, p508) 2,3-Bisphosphoglycerate,2,3-DPG,2,3-Diphosphoglyceric Acid,2,3-Diphosphoglycerate, (D)-Isomer,Glycerate 2,3-Bisphosphate,2,3 Bisphosphoglycerate,2,3 Diphosphoglycerate,2,3 Diphosphoglyceric Acid,2,3-Bisphosphate, Glycerate

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