Review Article

Natural Products for Antithrombosis

Table 2

Inhibition of platelet membrane receptors of natural products.

Natural productsExperimental modelsPossible mechanismsReference

2,3,5,4′-Tetrahydroxystilbene-2-O--D-glucoside of Polygonum multiflorum Human blood (in vitro);
agonist: collagen
Inhibition of FcRIIa, Akt (Ser473), and GSK3 (Ser9) phosphorylation[105]

95% ethanol extract of Spatholobus suberectus Human blood (in vitro);
agonist: collagen
Blockage of fibrinogen binding to the GP IIb/IIIa, suppression of TXA2 formation[106]

A new tripeptide (AAP) of Agkistrodon acutus VenomRabbit blood (in vitro);
agonist: ADP, PAF-acether, collagen and THR
Inhibition of fibrinogen binding to GP IIb/IIIa[107]

Glaucocalyxin A of Rabdosia japonica (Burm. f.) var. glaucocalyx (Maxim.) HaraHuman blood (in vitro);
agonist: collagen
Inhibition of tyrosine phosphorylation of Syk, LAT, phospholipase Cγ2, and P-selectin secretion[108]

Salvianolic acid B of Salvia miltiorrhiza Rat blood (in vitro and ex vivo);
agonist: collagen
Exerting binding affinity to , decreasing of intracellular Ca2+, and impacting on cytoskeleton-related proteins level[109]

Indole-3-carbinol of cruciferous vegetablesHuman blood (in vitro);
agonist: collagen
Inhibition of fibrinogen binding to GP IIb/IIIa and decreasing the levels of TXB2, prostaglandin E2[110]

II-3,I-5,II-5,II-7,I-4′,II-4′-Hexahydroxy-(I-3,II-8)-flavonylflavanonol and acacetin of Garcinia nervosa var. pubescens KingRabbit blood (in vitro);
agonist: PAF
Possessing strong PAF antagonistic activity[111]

Essential oils of five Goniothalamus speciesHuman blood (in vitro);
agonist: ADP, AA, and collagen
Possessing strong PAF antagonistic activity[112]

15–20% ethanol extract of aged garlicHuman blood (in vitro);
agonist: ADP
Inhibition of fibrinogen binding to GP IIb/IIIa and increasing the level of cAMP[113]

Tetramethylpyrazine of Ligusticam wallichii FranchHuman blood (in vitro);
agonist: ADP, collagen, and U46619
Inhibition of fibrinogen binding to GP IIb/IIIa and the levels of intracellular Ca2+ as well as TXB2[114]

Aqueous extract of Agrimonia pilosa Human blood (in vitro);
agonist: ADP
Inhibition of fibrinogen binding to GP IIb/IIIa and decreasing the level of P-selectin[115]

N-butanol extract of Toona sinensis SeedHuman blood (in vitro);
agonist: THR
Inhibition of fibrinogen binding to GP IIb/IIIa and decreasing the level of intracellular Ca2+[116]

Eryloside F of Erylus formosusHuman blood (in vitro);
agonist: THR, SFLLRN, and U-46619
Possessing strong THR antagonistic activity[117]

Isomaltol and pentagalloyl glucose of Rhus verniciflua StokesHuman blood (in vitro);
agonist: ADP, AA, and collagen
Decreasing the expression of GPIIb/IIIa [118]

Piperlongumine of Piper longum L.Rabbit blood (in vitro);
agonist: U4619 and THR
Inhibition of U46619-induced phosphatidylinositol hydrolysis as well as the binding of (3H)SQ29548 to TXA2 receptor[119]

Hot-water extract of modified Je-Ho-Tang (Mume Fructus, Amomi Tsaoko Fructus, Santali Albi Lignum, and Amomi Fructus)Human blood (in vitro);
agonist: collagen
Inhibiting adhesion and decreasing the activation of GPIIb/IIIa-like expression and P-selectin monoclonal, Ca2+ mobilization [120]

Pomolic acid of Licania pittieri Human blood (in vitro);
agonist: ADP
Competitive antagonism of ADP-induced platelet aggregation[121]

ADP: adenosine diphosphat; PAF: platelet activating factor; THR: thrombin; AA: arachidonic acid; SFLLRN: thrombin receptor activating peptide; GP IIb/IIIa: Glycoprotein IIb/IIIa; TXA2: thromboxane A2; TXB2: thromboxane B2; cAMP: cyclic adenosine monophosphate; (3H)SQ29548: TXA2 receptor antagonist.