signalling

Valproic Acid (2-Propylpentanoic Acid) is an HDAC inhibitor that suppresses HDAC1 activity and induces HDAC2 degradation, exhibiting oral bioavailability. Valproic Acid activates Notch1 signalling and inhibits the proliferation of small cell lung carcinoma cells, making it applicable for research into epilepsy and bipolar disorder.

Proteinases are enzymes that catalyse the breakdown of proteins. Proteinases are involved in many biological functions, including the digestion of ingested proteins, the breakdown of old proteins, and cell signalling. They also facilitate the formation of new protein products.

1. Isoquercetin (3-Glucosylquercetin) is a potential stimulator of bone mineralization used for prophylaxis of osteoporotic disorders. 2. Isoquercetin may be as a potential therapeutic agent against neurodegeneration in Parkinson's disease. 3. Isoquercetin is an inhibitor of Wnt β-catenin and may be as a potential novel anti-tumoral agent, such as against human pancreati,liver cancer related to opioid receptors and to the activation of the mitogen-activated protein kinase (MAPK) signalling pathway. .

Ginkgolide K induces protective autophagy through the AMPK mTOR ULK1 signalling pathway. It possesses neuroprotective activity.

Enniatin A1, a cyclic hexadepsipeptide composed of alternating D-α-hydroxyisovaleric acids and N-methyl-L-amino acids isolated from Fusarium mycotoxins, exhibits anticarcinogenic effects through the induction of apoptosis and disruption of the ERK signaling pathway. It also inhibits ACAT in rat liver microsomes with an IC50 of 49 μM.

Euchrestaflavanone A is a useful organic compound for research related to life sciences and the catalog number is T124187.

K-252a is a protein kinase inhibitor targeting serine-threonine, tyrosine, and CAM kinases. In vitro, it blocks NGF-induced TrkA signalling and neural differentiation, exhibiting antitumour, antibacterial, anti-inflammatory, and neuroprotective activities.

Bryonolic acid (20-epi-Bryonolic acid), a triterpenoid extracted from Sandoricum indicum, possesses immunomodulatory, anti-inflammatory, antioxidant and anticancer activities and protects PC12 cells from NMDA-induced apoptosis by inhibiting Ca2+ in-flux and modulating gene expression in the Ca2+-CaMKII-CREB signalling pathway.

Kazinol B is an inhibitor of nitric oxide (NO) production, an isopentenylated flavan with a dimethylpyran ring.Kazinol B improves insulin sensitivity by activating the insulin-Akt signalling pathway and AMPK, which enhances glucose uptake.Kazinol B stimulates gene expression and secretion of adiponectin and can be used to study diabetes.

Resolvin D5 is an oxidised lipid mediator derived from docosahexaenoic acid (DHA) with anti-inflammatory properties. It inhibits the production of interleukin-6 (IL-6) and chemokine CCL5 in LPS-stimulated THP-1 cells via the ERK-NF-κB signalling pathway.

N-tetradecanoyl-L-homoserine lactone is a long-chain N-acyl homoserine lactone (AHL) and bacterial quorum sensing signal molecule that promotes diatom growth and upregulates genes involved in intracellular signalling.

2-heptyl-3-hydroxy-4(1H)-Quinolone (Pseudomonas Quinolone Signal) is a quorum-sensing signalling molecule produced by Pseudomonas aeruginosa in response to increased cell density. It increases the expression of the lasB gene in P. aeruginosa, the secretion of the metabolites pyocyanin and the lectin PA-IL, as well as increasing biofilm production in P. aeruginosa populations. It also reduces the iron content of the P. aeruginosa growth medium when used at a concentration of 40 μM and acts as an iron chelator in iron sulphate solutions.

Myrislignan has anti-inflammatory, and anti-cancer activities, it inhibited NF-κB signalling pathway activation, inhibited the proliferation of A549 cells in a dose- and time-dependent manner, it also significantly induced apoptosis and cell cycle arrest

1. Chelidonine (Stylophorin) isolated from Chelidonium majus efficiently induced apoptosis in HeLa cells through possible alteration of p38-p53 and AKT/PI3 kinase signalling pathways. 2. Chelidonine is a promising model compound for overcoming MDR and for enhancing cytotoxicity of chemotherapeutics, especially against leukaemia cells, its efficacy needs to be confirmed in animal models. 3. Chelidonine may be a potential therapeutic agent against metastasis of invasive human cancer cells, exhibits antimigratory and antiinvasive effects in MDA-MB-231 cells, by suppressing COL-induced integrin signaling, through inhibiting the formation of the IPP complex and subsequent downregulation of IPP downstream signaling molecules, such as Akt and ERK1/2.

1. Atractylenolide II (2-Atractylenolide) has antimelanoma effect by inhibiting STAT3 signalling. 2. Atractylenolide II has cytotoxic/apoptotic effects may via p38 activation , ERK and Akt inactivation, p53 dependent.

Barlerin (8-O-Acetylshanzhiside methyl ester) has potential against cerebral ischemic injury, and its protective effect on oxygen-glucose deprivation-induced injury might be due to the suppression of intracellular Ca2+ elevation and caspase-3 activity, and improvement of mitochondrial energy metabolism.8-O-Acetylshanzhiside methylester can increase angiogenesis and improve functional recovery after stroke.8-O-Acetylshanzhiside methylester has protective effects on experimental myocardial ischemia injury, the effects might be due to block of myocardial inflammatory cascades through an HMGB1-dependent NF-κB signaling pathway.8-O-Acetylshanzhiside methylester protects diabetic brain against I R injury by alleviating diabetic cerebral I R injury and attenuating blood–brain barrier (BBB) breakdown, and its protective effects may involve HMGB-1 and NF-κB signalling pathway.

Dehydroglyasperin D exhibits anticancer, anti-inflammatory, anti-obesity, antioxidant and anti-aldose reductase effects, it inhibits the proliferation of HT-29 human colorectal cancer cells through direct interaction with phosphatidylinositol 3-kinase; it also mediates suppression of both COX-2 expression and the MLK3 signalling pathway through direct binding and inhibition of MLK3. Dehydroglyasperin D shows strong ferric reducing activities and effectively scavenged DPPH, ABTS(+), and singlet oxygen radicals.

Momordicine I is a natural cucurbitane-type triterpene exhibiting antihypertensive, anti-inflammatory, anti-hypertrophic, anti-fibrotic, and antioxidant properties. Its mechanisms of action include regulating insulin signalling, inducing cancer cell apoptosis, and modulating NO, ACE, PI3K/Akt, NF-κB, Nrf2, c-Met/STAT3 pathways, and may be applied in cardiovascular diseases and inflammation.

Neocryptotanshinone inhibits rabbit platelet aggregation induced by arachidonic acid.

Pinoresinol ((+)-Pinoresinol) has antiinflammatory, hepatoprotective, and fungicidal activities, it can protect pial microcirculation from I-reperfusion injury, to increase nitric oxide release and to reduce oxidative stress preserving pial blood flow distribution; it may exert pharmacologically interesting effects via modulation of the insulin-like signalling pathway in C.elegans. Pinoresinol causes an upregulation of the CDK inhibitor p21(WAF1/Cip1) both at mRNA and protein levels, inhibits NF-kappaB and activating protein 1 (AP-1).

Piperlonguminine, an alkaloid amide isolated from the Piper species, exhibits anti-inflammatory, antitumor, neuroprotective, anti-platelet, anti-melanogenic, antifungal, and antibacterial activities. It inhibits Akt/mTOR signaling, promotes autophagy, and mediates cancer cell death.

Withanolide B, a natural product isolated from Withania somnifera Dunal, promotes osteogenic differentiation of human bone marrow-derived mesenchymal stem cells (hBMSCs) via the ERK1/2 and Wnt/β-catenin signalling pathways, thereby enhancing bone healing. Withanolide B exhibits affinity for the catalytic domain of PARP-1.

Zeylenone, a cyclohexene oxide from Uvaria grandiflora, has antitumour and antiproliferative activity, inhibiting cervical cancer cell proliferation and inducing apoptosis through the PI3K AKT mTOR and MAPK ERK signalling pathways.

Myricanone has antioxidant, and anticancer activities, it has apoptosis-promoting ability by triggering caspase activation, and suppression of cell proliferation by down-regulation of NF-κB and STAT3 signalling cascades. Myricanone shows in vitro testost