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Alkannin and shikonin, two natural products from Alkanna tinctoria and Lithospermum erhythrorhizon (Boraginaceae), are used in folk medicine where they are claimed to possess, among other properties, wound healing and anti-inflammatory activity. We investigated, together with the structurally
OBJECTIVE
The current study was designed to investigate the protective role of alkannin (ALK) on liver injury in diabetic C57BL/KsJ-db/db mice and explore its potential mechanisms.
METHODS
An oral glucose tolerance test (OGTT) was performed. The levels of insulin, alanine aminotransferase (ALT),
BACKGROUND
Lupus nephritis (LN) is a fatal complication induced by systemic lupus erythematosus (SLE). As the current therapeutic approaches for LN are not a permanent cure, we studied the potential therapeutic effects of alkannin (ALK) on LPS-treated human proximal tubular cells (HK-2 cells),
A pharmacological comparison between the enantiomers, shikonin (R) and alkannin (S), was made with regard to their inhibitory effects on the increased capillary permeability and thermal edema in rats, using phenylbutazone as a positive control in both models. The results of experiments have shown
External beam radiotherapy increases the risk of Candida vaginitis in cervical cancer patients, which brings a lot of insufferable influence to their life. Here, we explored the efficacy of alkannin in the treatment of Candida vaginitis after external beam radiotherapy. We exploit thermosensitive
β,β-dimethylacryloyl alkannin (DMA) is a key component of Lithospermum and possesses good efficacy for treating psoriasis. DMA inhibits activated dendritic cells (DCs), but the mechanism is unknown. Therefore, this study aimed to explore the modulation of the TLR7/8 pathway by DMA in
Alkannins and Shikonins (A/S) are chiral-pairs of naturally occurring isohexenylnaphthazarins. They are found in the external layer of the roots of at least a hundred and fifty species that belong mainly to the genera Alkanna, Lithospermum, Echium, Onosma and Arnebia of the Boraginaceae family.
Alkannin and shikonin (A/S) derivatives have been found in the roots of several Boraginaceous species and are produced through plant tissue cultures. The chiral compounds alkannins and shikonins are potent pharmaceutical substances with a wide spectrum of pharmacological activities such as wound
The hexane extract of Arnebia hispidissima yielded a mixture of naphthaquinones: arnebin-1, arnebin-7, tiglic acid (ester of dihydroxy alkannin), alkannin, arnebinol and cycloarnebin-7. To evaluate the anti-inflammatory activities of hexane extract and isolated naphthaquinones, models with
Alkannin (ALK) has anti-inflammatory and anti-tumour activities. We tried to probe the underlying functions of ALK in oral squamous carcinoma (OSCC) cells growth, migration and invasion. OSCC cells viability was investigated after treatment with ALK. Then, BrdU, flow cytometry, Western blot and
Alkannin, shikonin (A/S) and their derivatives are enantiomeric hydroxynaphthoquinone red pigments found in the roots of almost 150 species of the Boraginaceae family. A/S have been shown to exhibit strong wound healing, antimicrobial, anti-inflammatory and antioxidant activities and recent
We investigated the effects and associated mechanism of alkannin (AL) on lipopolysaccharide (LPS)-induced acute lung injury in a mouse model. Pretreatment with AL in vivo significantly reduced the lung wet/dry weight ratio and inhibited lung myeloperoxidase activity and malondialdehyde content,
Alkannin and shikonin (A/S) and their derivatives have been found in the roots of several Boraginaceous species and are also produced through plant tissue cultures. The chiral compounds A/S are potent pharmaceutical substances with a wide spectrum of biological and pharmacological activities like
Isohexenylnaphthazarins (IHN), commonly known as alkannins and shikonins (A/S), are potent pharmaceutical substances with a wide spectrum of wound healing, antimicrobial, anti-inflammatory, and antitumor activity. Purification of A/S is crucial for their use in pharmaceuticals and for biological
OBJECTIVE
To investigate the effect of β, β-dimethylacryloyl alkannin, a main component of Lithospermum erythrorhizon, on activated dendritic cells (DCs) in a psoriasis mouse model.
METHODS
BALB/c mice were used to establish the animal model for psoriasis-like skin lesion; alkannin at 10 mg/kg