arnebia purpurea/vähivastane

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Leht 1 alates 21 tulemused

Spectrum-effect relationship for anti-tumor activity of shikonins and shikonofurans in medicinal Zicao by UHPLC-MS/MS and chemometric approaches.

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Shikonin, shikonofuran and their derivatives are the main bioactive components of Zicao, a traditional Chinese medicine prepared with the dried roots of Lithospermum erythrorhizon, Arnebia euchroma or Arnebia guttata. To establish an efficient and sensitive method for studying material basis of

[Detection of the anti-cancer biological effect of naphthoquinone pigment-LIII].

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Naphthoquinone pigment-LIII, an extract from Arnebia euchroma, could apparently inhibit the proliferation of stomach cancer cell line and esophagus cancer cell line. At the effective concentration of 5 micrograms/ml, the mitotic index and growth curve declined without showing any damage to human

Advance in Anti-tumor Mechanisms of Shikonin, Alkannin and Their Derivatives.

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Shikonin, alkannin and their derivatives, the main ingredient of Lithospermum erythrorhizon and Arnebia euchroma (Royle) Johnst native to Inner Mongolian and Northwest of China respectively, hold promising potentials for antitumor effects via multiple-target mechanisms. This review will emphasize

In vitro and in vivo antitumor effects of acetylshikonin isolated from Arnebia euchroma (Royle) Johnst (Ruanzicao) cell suspension cultures.

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BACKGROUND Shikonin derivatives have cytotoxic and antitumor effects. This study aims to investigate the antitumor effects of acetylshikonin isolated from a Chinese medicinal herb Arnebia euchroma (Royle) Johnst. METHODS The 3-(4,5-dimethylthiazol- 2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay

Identification, in vitro evaluation and modeling studies of the constituents from the roots of Arnebia euchroma for antitumor activity and STAT3 inhibition.

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Phytochemical investigation of the roots of Arnebia euchroma led to the isolation of a new dimeric naphthoquinone, shikometabolin H (1), a new meroterpeniod, epoxyarnebinol (5) and a new ring A-seco hopane triterpenoid, 2, 3-secodiplopterol dioic acid (7), together with 18 known compounds. The

Effects of exogenous methyl jasmonate on the biosynthesis of shikonin derivatives in callus tissues of Arnebia euchroma.

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The shikonin derivatives, accumulated in the roots of Arnebia euchroma (Boraginaceae), showed antibacterial, anti-inflammatory, and anti-tumor activities. To explore their possible biosynthesis regulation mechanism, this paper investigated the effects of exogenous methyl jasmonate (MJ) on the

Alkannin induces cytotoxic autophagy and apoptosis by promoting ROS-mediated mitochondrial dysfunction and activation of JNK pathway

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Naphthoquinone derivatives and metabolites are widely dispersed molecules in nature. Alkannin, a natural naphthoquinone compound, induces excellent cytotoxicity in cancer cells. However, the detailed mechanism by which alkannin inhibits cancer cell survival remains unclear. In the present study, we

SYUNZ-16, a newly synthesized alkannin derivative, induces tumor cells apoptosis and suppresses tumor growth through inhibition of PKB/AKT kinase activity and blockade of AKT/FOXO signal pathway.

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Alkannin is the major bioactive compound of Arnebia euchroma roots, which is used in many therapeutic remedies in Chinese traditional medicine. SYUNZ-16 is a new derivative of alkannin. In this study, anticancer effects of SYUNZ-16 on human lung adenocarcinoma cell line GLC-82 and human

Characterization of the binding of shikonin to human immunoglobulin using scanning electron microscope, molecular modeling and multi-spectroscopic methods.

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Shikonin, one of the active components isolated from the root of Arnebia euchroma (Royle) Johnst, have anti-tumor, anti-bacterial and anti-inflammatory activities and has been used clinically in phlebitis and vascular purpura. In the present work, the interaction of human immunoglobulin (HIg) with

Long-term systemic toxicity of shikonin derivatives in Wistar rats.

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Abstract Context: Although the antitumor, immunomodulatory activities, and other effects of shikonin have been studied for decades, its systemic toxicity in vivo remains unclear. Objective: To estimate the long-term systemic toxicity of shikonin derivatives (ShD) in a rat model. Materials and

BRM270 targets cancer stem cells and augments chemo-sensitivity in cancer

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Over the past decade, a number of studies have demonstrated the resistance of cancer cells to conventional drugs and have recognized this as a major challenge in cancer therapy. While attempting to understand the underlying mechanisms of chemoresistance, several studies have suggested that the

Shikonin derivatives protect immune organs from damage and promote immune responses in vivo in tumour-bearing mice.

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Shikonin, a major component of Lithospermum erythrorhizon and Arnebia euchroma, exhibits antiinflammatory, immunomodulatory and antitumour activities. Although many recent studies have focused on the antitumour effects of shikonin, the exact mechanisms underlying its antitumour and immunomodulatory

Pharmacology, toxicity and pharmacokinetics of acetylshikonin: a review

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Context: Acetylshikonin, a naphthoquinone derivative, is mainly extracted from some species of the family Boraginaceae, such as Lithospermum erythrorhizon Sieb. et Zucc., Arnebia euchroma (Royle) Johnst., and Arnebia

Arabian Primrose leaf extract mediated synthesis of silver nanoparticles: their industrial and biomedical applications
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The present study encompasses green synthesis of silver nanoparticles (AgNPs) using aqueous leaf extract of Arabian Primrose within 6 min of reaction at 60 °C, pH 7 and their characterisation using physico-chemical analytical techniques. UV-Visible spectroscopy elucidated the surface plasmon

Inhibition of growth and regulation of IGFs and VEGF in human prostate cancer cell lines by shikonin analogue 93/637 (SA).
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BACKGROUND Insulin-like growth factors (IGFs) are important mitogens and are involved in normal and malignant cellular proliferation. IGFs and IGF binding proteins (IGFBPs) regulate the prostatic cell growth and reduction/blocking of IGFs has been suggested to be of therapeutic value in prostate

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