uncaria

1. Linarin (Acacetin-7-O-rutinoside) (acacetin-7-O-β-d-rutinoside) shows selective dose dependent inhibitory effect on acetylcholinesterase. 2. Linarin alleviates GalN LPS-induced liver injury by suppressing TNF-α-mediated apoptotic pathways. 3. Linarin prevents A beta-induced neurotoxicity through the activation of PI3K Akt, which subsequently inhibits GSK-3b and up-regulates Bcl-2. 4. The piperine significantly enhanced the oral absorption of Linarin in rats by inhibiting P-glycoprotein mediated cellular efflux during the intestinal absorption and likely simultaneously by inhibiting the metabolism of Linarin.

Corynoxine hydrochloride is a natural oxindole alkaloid and induces autophagy in different neuronal cell lines, including N2a and SHSY-5Y cells.

Corynoxine is a tetracyclic oxindole alkaloid isolated from Uncaria macrophylla. It is an autophagy enhancer that promotes α-synuclein clearance through the Akt mTOR pathway.

1. Isocorynoxeine (7-Isocorynoxeine) shows the effects of lowering blood pressure, vasodilatation, and protection against ischemia-induced neuronal damage. 2. Isocorynoxeine exhibits a significant neuroprotective effect against glutamate-induced HT22 cell death at the maximum concentration.

1. Corynoxeine is a potent ERK1 2 inhibitor of key PDGF-BB-induced VSMC proliferation and may be useful in the prevention and treatment of vascular diseases and restenosis after angioplasty.

1. Isorhynchophylline (7-Isorhyncophylline) and rhyncophylline can directly inhibit the contractile responses induced by several agonists in small blood vessels of rat, they also can inhibit the hypertensive effect of angiotensin Ⅱ.

1. Rhynchophylline (Mitrinermine) can protect against ischemic damage, probably via regulating the Akt mTOR pathway. 2. Rhynchophylline can protect against glutamate-induced neuronal death, can inhibit MA impairment in cultured neurons in vitro. 3. Rhynchophylline and isorhynchophylline have a non-competitive antagonistic effect on the NMDA-type ionotropic glutamate receptors, suggest that these alkaloids exert their protective action against ischemia-induced neuronal damage by preventing NMDA, muscarinic M1, and 5-HT2 receptors-mediated neurotoxicity during ischemia.

Corynoxine hydrochloride, a tetracyclic oxindole alkaloid extracted from the hooks of Uncaria macrophylla, functions as a natural autophagy enhancer, facilitating the removal of alpha-synuclein by activating the Akt mTOR pathway [1].

Geissoschizine methyl ether, a major indole alkaloid found in Uncaria hook, is a key active component of Yokukansan with psychotropic effects. It is a potent serotonin A receptor agonist and a candidate for ameliorating aggressiveness and sociality by Yokukansan.

Hirsutine induces apoptosis and is a potent Dengue virus inhibitor exhibiting low cytotoxicity.Hirsutine has anticancer, cardioprotective, anti-hypertensive and anti-arrhythmic activities, it also has vasodilatation activity, the mechanism is related to blockade of Ca2+ influx through L-type Ca2+ channels and inhibition of intracellular Ca2+ release may have no relationship with K+ channels.

Hirsuteine is a natural product. It non-competitively antagonizes nicotine-mediated dopamine release by blocking ion permeation through nicotinic receptor channel complexes.

Isopteropodine (Uncarine E) is an isoyohimbine-type octindole alkaloid isolated from Hamelia patens micropropagated and has antimicrobial activity and stimulates the immune system. Isopteropodine has antimicrobial activity and stimulates the immune system.Isopteropodine is a positive modulator of muscarinic M1 and 5-HT2 receptors and a PXR activator that induces contraction of the rat myometrium.

Mitraphylline has antiproliferative effects on human glioma and neuroblastoma cell lines. It also has anti-inflammatory activity, it inhibits lipopolysaccharide-mediated activation of primary human neutrophils.

Pteropodine acts as a positive modulator of muscarinic M(1) and 5-HT(2) receptors. Pteropodine shows antigenotoxic, antioxidant and lymphocyte induction effects, it also shows strong apoptotic effect on acute leukaemic lymphoblasts.

Tetrahydroalstonine is an indole alkaloid extracted from the fruit of Rhazya stricta and is a selective α2-adrenoceptor antagonist. tetrahydroalstonine has shown antipsychotic activity in Rauwolfia tetraphylla.

1,2-O-Isopropylidene-β-D-fructopyranose is a natural product from Uncaria sessilifructus

3,19-Dihydroxy-6,23-dioxo-12-ursen-28-oic acid is a natural product for research related to life sciences. The catalog number is TN2853 and the CAS number is 261768-88-1.

3,6,19,23-Tetrahydroxy-12-ursen-28-oic acid is a natural product from Uncaria sessilifructus.

3,6,19-Trihydroxy-23-oxo-12-ursen-28-oic acid is a natural product for research related to life sciences. The catalog number is TN2903 and the CAS number is 131984-82-2.

Quinovic acid 3-O-(6-deoxy-beta-D-glucopyranoside) 28-O-beta-D-glucopyranosyl ester is a natural product of Uncaria, Rubiaceae. The catalog number is TN4884 and the CAS number is 124727-10-2. Quinovic acid 3-O-(6-deoxy-beta-D-glucopyranoside) 28-O-beta-D-glucopyranosyl ester can be used as a reference standard.

Rubelloside B exhibits immunological enhancement effect.

Uncaric acid is a natural product of Uncaria, Rubiaceae. The catalog number is TN5199 and the CAS number is 123135-05-7. Uncaric acid can be used as a reference standard.

Uncarine A is a natural product from Uncaria hirsuta.

Uncarinic acid E has anti-cancer activity, it induces apoptosis in HepG2 cells via accumulation of p53, alters the Bax Bcl-2 ratio, and activates caspases, resulting in cytochrome c release from the mitochondria. A mixture of uncarinic acid E and 27-O-p-(