platelet activating factor

14-Deoxyandrographolide is a bioactive compound of Andrographis paniculata with hepatoprotective efficacy. It desensitizes hepatocytes to TNF-α-mediated apoptosis through the release of TNFRSF1A release.

(+)-Guaiacin, isolated from the bark of Machilus wangchiana Chun, demonstrates potent in vitro inhibition of β-glucuronidase release in rat polymorphonuclear leukocytes (PMNs) induced by platelet-activating factor (PAF).

Prehispanolone is a platelet activating factor antagonist from Chinese medicinal herb Leonurus heterophyllus.

Orsellinic acid, a compound obtained by treatment of Lecanoric acidy with alcohols, inhibits platelet-activating factor (PAF)-mediated neuronal apoptosis.

Herquline A is an alkaloid fungal metabolite originally isolated from P. herquei. It inhibits cell death induced by influenza A strain A/PR/8/34 in MDCK cells with an IC50 value of 10 μg/ml and inhibits viral replication in a plaque assay in a concentration-dependent manner. Herquline A also inhibits platelet aggregation induced by ADP and platelet-activating factor (PAF) in vitro (IC50s = 180 and 240 μM, respectively).

Collinin is a coumarin that has been found in Z. schinifolium and has diverse biological activities.1,2,3,4 It is active against drug-susceptible and -resistant strains of M. tuberculosis (MIC50s = 3.13-6.25 μg/ml).1 Collinin inhibits LPS-induced nitric oxide (NO) production (IC50 = 5.9 μM) and reduces COX-2 protein levels in RAW 264.7 cells.2 It completely inhibits aggregation of isolated rabbit platelets induced by arachidonic acid , collagen, or platelet activating factor (PAF) when used at a concentration of 100 μM.3 Dietary administration of collinin (0.05% w/w) reduces the number of mice with tumors and the number of tumors per mouse in a mouse model of colitis-related carcinogenesis.4 |1. Kim, S., Seo, H., Al Mahmud, H., et al. In vitro activity of collinin isolated from the leaves of Zanthoxylum schinifolium against multidrug- and extensively drug-resistant Mycobacterium tuberculosis. Phytomedicine 46, 104-110 (2018).|2. Nguyen, P.-H., Zhao, B.T., Kim, O., et al. Anti-inflammatory terpenylated coumarins from the leaves of Zanthoxylum schinifolium with α-glucosidase inhibitory activity. J. Nat. Med. 70(2), 276-281 (2016).|3. I.S., C., Lin, Y.C., Tsai, I.L., et al. Coumarins and anti-platelet aggregation constituents from Zanthoxylum schinifolium. Phytochemistry 39(5), 1091-1097 (1995).|4. Kohno, H., Suzuki, R., Curini, M., et al. Dietary administration with prenyloxycoumarins, auraptene and collinin, inhibits colitis-related colon carcinogenesis in mice. Int. J. Cancer 118(12), 2936-2942 (2006).

β-Chamigrenal has anti-inflammatory activity, it has inhibitory effects on lipopolysaccharide-induced nitric oxide and prostaglandin E2 production in RAW 264.7 macrophages. Chamigrenal shows platelet-activating factor antagonistic activity and the IC(50)

Kadsurenone is a platelet-activating factor receptor antagonist from Chinese herbal plant, haifenteng. It is a useful and promising treatment strategy for breast cancer bone metastases by blocking the PAF PTAFR signaling pathway.

Kadsurenin B, a platelet-activating factor (PAF) antagonist, exhibits neuroprotective properties and has a broad spectrum of pharmacological research applications, including antibacterial, anti-inflammatory, neuroprotective, antioxidant, antiplatelet aggregation, cytotoxic, and antiparasitic activities [1] [2].

Piperulin A effectively inhibits platelet-activating factor receptor (PAFR) by specifically blocking its binding to isolated rabbit platelet plasma membranes, exhibiting an inhibitory concentration 50 (IC50) value of 7.3 μM [1].

Pinusolide is a platelet activating factor ( PAF) antagonist, it may prove of therapeutic value in the treatment of hypotension, it has antileukemic potential, and could be used to treat neurodegenerative diseases. Pinusolide attenuates blockade of insulin signaling by enhancing IRS-1 tyrosine phosphorylation by the activating the AMPK pathway, indicates the targeting of AMPK represents a new therapeutic strategy for hyperglycemia-induced insulin resistance and type 2 diabetes.

1-Cinnamoylpyrrolidine, a natural product prepared from Piper caninum, can be used as a DNA strand breaking agent, inducing the relaxation of the plasmid pBR322 DNA superhelix in the presence of Cu2+. 1-Cinnamoylpyrrolidine inhibits PAF-induced platelet aggregation with an IC50 value of 37.3 μM. value was 37.3 μM.

Futoquinol is an anti-platelet activating factor principle from the stem part of Piper futokadsura (Piperaceae), the Chinese drug haifengteng.

Kadsulignan L shows in vitro antiviral effects on hepatitis B virus. It also shows moderate platelet-activating factor (PAF) antagonistic activities with the IC50 value of 2.6 x 10(-5) M.

Yangambin is a selective antagonist of the cardiovascular effects of platelet activating factor (PAF); it has hypotensive effect, which is probably due to a peripheral vasodilatation that involves, at least, the inhibition the Ca2+ influx through voltage-gated Ca2+ channels. Yangambin also has central nervous system activity.

2-Hydroxy-3-methoxybenzoic acid glucose ester shows a potent antagonistic activity against platelet activating factor (PAF), it can prevent the mice from the PAF-induced death at a dose of 300 micrograms mouse.

6-Deoxyjacareubin exhibits potent antioxidant and antifungal activities. 6-Deoxyjacareubin inhibits platelet activating factor (PAF) receptor with an IC50 of 29.0 microM and can be used in studies about natural PAF receptor antagonists.

Bisdethiobis(methylthio)gliotoxin is a platelet activating factor (PAF) antagonist.

Futoenone and a series of its derivatives have shown inhibitory activities against matrix metalloproteinases, the molecular modelings of these compounds indicate the preferred binding of the P2' site of the enzymes. Neolignan derivative compounds of the 2,4-diaryl-1,3-dithiolane and futoenone variety exhibit both platelet activating factor receptor(PAF)and 5-lipoxygenase antagonist activity.

Homoeriodictyol 7-O-β-D-glucoside (Homoeriodictyol 7-O-glucoside) is a natural product derived from Viscum coloratum (Kom.) Nakai and acts as an antagonist of platelet-activating factor (PAF).

Kadsurin A has anti-platelet activating factor activities.

N-norarmepavine shows significant cytotoxic activities against HL-60 carcinoma cell line with inhibitory ratios of 51.43% at concentration of 1 x 10(-5) M. Norarmepavine shows inhibition against Trypanosoma cruzi. D-(+)- N-norarmepavine exhibits significa

Pinusolidic acid shows a potent inhibitory effect on platelet activating factor (PAF) binding to rabbit platelets (IC50 = 2.3 x 10(-5) M, 7.48 + - 2.11 micrograms ml).

Piperenone is an insect antifeeding substance. It has anti-platelet-activating factor(PAF) activities, is a PAF-acether antagonist.