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Selective cytotoxic effect of Rhododendron luteum extract on human colon and liver cancer cells.

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OBJECTIVE The genus Rhododendron is distributed entirely in the world with the exception of South and Central America and Africa, growing in a large diversity of climatic conditions. This genus is a rich source of phenolic compounds, especially flavonoids, essential oils, chromones, terpenoids, and

In-vitro antioxidant, antimutagenic and cancer cell growth inhibition activities of Rhododendron arboreum leaves and flowers

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In the current investigation, the active principles of the methanol extracts of Rhododendron arboreum leaves (MEL) and flowers (MEF) were investigated with the help of ultra-high performance liquid chromatography (UHPLC), amino acid analyzer and gas chromatography mass spectrometry (GC-MS).

Apoptosis induced by farrerol in human gastric cancer SGC-7901 cells through the mitochondrial-mediated pathway.

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Farrerol, a typical flavanone isolated from the Chinese medicinal plant Rhododendron dauricum L., has been found to show various biological activities. However, to the best of our knowledge, its inhibitory actions against cancer cells have not been reported as yet. Therefore, the present study aimed

Anatomy of shoots and tumors of in vitro habituated Rhododendron 'Montego' (Ericaceae) cultures with tissue proliferation.

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Tissue proliferation (TP) is characterized primarily by the formation of galls or tumors at the crown of container-grown rhododendrons that were initially propagated in vitro. In the cultivar 'Montego', TP-like symptoms are first observed in vitro as shoot clusters with small leaves and nodal

Hyperin extracted from Manchurian rhododendron leaf induces apoptosis in human endometrial cancer cells through a mitochondrial pathway.

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BACKGROUND A number of effective prevention measures have been introduced in attempts to substantially reduce both the incidence and mortality due to many kinds of cancer. The search for new anti-cancer compounds in foods or in plant medicines is one realistic and promising approach to prevention.

Hyperoside Protects Against Pressure Overload-Induced Cardiac Remodeling via the AKT Signaling Pathway.

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OBJECTIVE Cardiac hypertrophy is a major predisposing factor for heart failure and sudden cardiac death. Hyperoside (Hyp), a flavonoid isolated from Rhododendron ponticum L., is a primary component of Chinese traditional patent medicines. Numerous studies have shown that Hyp exerts marked

Biogenic silver nanoparticles synthesized from Rhododendron ponticum and their antibacterial, antibiofilm and cytotoxic activities.

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Nanotechnology is being used effectively in many areas contemporarily. Silver nanoparticles (AgNPs) are one of the most crucial and remarkable nanomaterials involved in medical applications. These nanoparticles (NPs) have an important place in nanomedicine, nanotechnology, and in particularly,

Two novel flavonoids from the leaves of Rhododendron dauricum L. with their inhibition of TNF-α production in LPS-induced RAW 264.7 cells.

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Two new flavonoids, (2S)-6,8-dimethyl-5,7,3',4'-tetrahydroxyflavanone 4'-O-β-D-glucopyranoside (1) and quercetin 3-O-β-D-(6''-p-methoxybenzoyl)-galactopyranoside (2), together with ten known flavonoids (3-12) were isolated from the leaves of

Rhododendrin ameliorates skin inflammation through inhibition of NF-κB, MAPK, and PI3K/Akt signaling.

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A wide range of active compounds isolated from nature is used in clinical applications and as a source of lead compounds for drug development. Rhododendron brachycarpum has been used as an oriental herbal medicine for skin inflammatory diseases. In this study, we isolated rhododendrin from

Immunomodulatory effects of epicatechin-(2β→O→7, 4β→8)-ent-epicatechin isolated from Rhododendron spiciferum in vitro.

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BACKGROUND Many traditional Chinese medicines (TCMs) can act as either immunosuppresants or immunostimulants, properties that have lead to their increasing use as immunomodulators in the treatment of disease. Recently, our lab successfully identified a dimer epicatechin-(2β→O → 7,

Anti-inflammatory effects of hyperoside in human endothelial cells and in mice.

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High-mobility group box 1 (HMGB1) was recently shown to be an important extracellular mediator of systemic inflammation, and endothelial cell protein C receptor (EPCR) has been shown to be involved in vascular inflammation. Hyperoside is an active compound isolated from Rhododendron brachycarpum G.

Decorosides A and B, cytotoxic flavonoid glycosides from the leaves of Rhododendron decorum.

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Bioassay and NMR-guided fractionation of the methanolic extract of Rhododendron decorum leaves resulted in the isolation of two new flavonoid glycosides, 5,7-dihydroxy-6,8-dimethyldihydroflavanone-7-O-alpha-L-arabinopyranosyl(1-->6)-beta-D-glucopyranoside (decoroside A, 1) and its 3-hydroxy congener

Utilisation of Rhododendron luteum Sweet bioactive compounds as valuable source of enzymes inhibitors, antioxidant, and anticancer agents.

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Ethnobotanical evidences report the use of Rhododendron luteum Sweet (Ericaceae) in traditional medicinal systems. However, R. luteum has been associated to the occurrence of 'mad honey' poisoning. In the present study, the ethyl acetate, methanol, and water extracts of R. luteum were investigated

Evaluation of the cytotoxic potential of a new pentacyclic triterpene from Rhododendron arboreum stem bark.

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BACKGROUND Traditionally, Rhododendron arboreum Sm. (Ericaceae) is a very important medicinal plant having oxytocic, estrogenic, anti-inflammatory, analgesic and hepatoprotective activities; it also inhibits the prostaglandin synthetase. OBJECTIVE This study determines the cytotoxic potential of

Rhododendron album Blume inhibits iNOS and COX-2 expression in LPS-stimulated RAW264.7 cells through the downregulation of NF-κB signaling.

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Rhododendron album Blume (RA) has traditionally been used as an herbal medicine and is considered to have anti-inflammatory properties. In the present study, we screened RA extracts with anti-inflammatory properties. The biological effects of an RA methanol extract (RAME) on inflammation were

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