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Identification and quantification of the main active anticancer alkaloids from the root of Glaucium flavum.

ABSTRACT: Glaucium flavum is used in Algerian folk medicine to remove warts (benign tumors). Its local appellations are Cheqiq el-asfar and Qarn el-djedyane. We have recently reported the anti-tumoral activity of Glaucium flavum root alkaloid extract against human cancer cells, in vitro and in vivo. The principal identified alkaloid in the extract was protopine. This study aims to determine which component(s) of Glaucium flavum root extract might possess potent antitumor activity on human cancer cells. Quantitative estimation of Glaucium flavum alkaloids was realized by HPLC-DAD. Glaucium flavum effect on human normal and cancer cell viability was determined using WST-1 assay. Quantification of alkaloids in Glaucium flavum revealed that the dried root part contained 0.84% of protopine and 0.07% of bocconoline (w/w), while the dried aerial part contained only 0.08% of protopine, glaucine as the main alkaloid, and no bocconoline. In vitro evaluation of the growth inhibitory activity on breast cancer and normal cells demonstrated that purified protopine did not reproduce the full cytotoxic activity of the alkaloid root extract on cancer cell lines. On the other hand, bocconoline inhibited strongly the viability of cancer cells with an IC50 of 7.8 µM and only a low cytotoxic effect was observed against normal human cells. Our results showed for the first time that protopine is the major root alkaloid of Glaucium flavum. Finally, we are the first to demonstrate a specific anticancer effect of Glaucium flavum root extract against breast cancer cells, which can be attributed, at least in part, to bocconoline.

SUBMITTER: Bournine L

PROVIDER: S-EPMC3876061 | biostudies-literature | 2013 Dec

REPOSITORIES: biostudies-literature

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Identification and quantification of the main active anticancer alkaloids from the root of Glaucium flavum.

Bournine Lamine L Bensalem Sihem S Wauters Jean-Noël JN Iguer-Ouada Mokrane M Maiza-Benabdesselam Fadila F Bedjou Fatiha F Castronovo Vincent V Bellahcène Akeila A Tits Monique M Frédérich Michel M

International journal of molecular sciences 20131202 12

Glaucium flavum is used in Algerian folk medicine to remove warts (benign tumors). Its local appellations are Cheqiq el-asfar and Qarn el-djedyane. We have recently reported the anti-tumoral activity of Glaucium flavum root alkaloid extract against human cancer cells, in vitro and in vivo. The principal identified alkaloid in the extract was protopine. This study aims to determine which component(s) of Glaucium flavum root extract might possess potent antitumor activity on human cancer cells. Qu ...[more]

PMID: 24317429

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Project description:The present study aimed to screen crucial micro (mi)RNAs and long non‑coding (lnc)RNAs involved in the development of ossification of ligamentum flavum (OLF) based on the miRNA‑mRNA and lncRNA‑miRNA‑mRNA competing endogenous (ce)RNA regulatory network analyses, which are rarely reported. The differentially expressed genes (DEGs), differentially expressed lncRNAs (DELs) and differentially expressed miRNAs (DEMs) between 4 OLF and 4 healthy controls were identified using two microarray datasets GSE106253 and GSE106256 collected from the Gene Expression Omnibus database. A protein‑protein interaction (PPI) network was constructed, followed by calculation of topological characteristics and sub‑module analysis in order to obtain hub DEGs. The miRNA‑mRNA and lncRNA‑miRNA networks that were established based on their interaction pairs, obtained from miRwalk and starBase databases, respectively, were integrated to form the ceRNA network. The underlying functions of mRNAs were predicted using the Database for Annotation, Visualization and Integrated Discovery (DAVID). The present study screened 828 DEGs, 119 DELs and 81 DEMs between OLF and controls. PPI network and module analyses identified interleukin (IL)10, adenylate cyclase (ADCY)5, suppressor of cytokine signaling (SOCS)3, G protein subunit gamma (GNG) 4, collagen type II α 1 chain (COL2A1) and collagen type XIII α 1 chain (COL13A1) as hub genes. The miRNA‑mRNA network analysis demonstrated IL10 could be regulated by miR‑210‑3p, while COL13A1 and COL2A1 could be modulated by miR‑329‑3p and miR‑222‑5p, respectively. lncRNA‑miRNA‑mRNA ceRNA network analysis identified that small nucleolar RNA host gene 16‑hsa‑miR‑196a‑5p‑SOCS3, ankyrin repeat and SOCS box containing 16‑AS1‑hsa‑miR‑379‑5p‑GNG4, nuclear enriched abundant transcript 1‑has‑miR‑181b‑5p‑ADCY5, rhophilin 1‑AS1‑hsa‑miR‑299‑3p‑WNT7B interaction axes may be crucial. DAVID analysis predicted IL10, ADCY5, GNG4 and SOCS3 were involved in 'adaptive immune response', 'Chemokine signaling pathway' and 'regulation of apoptosis' processes, while COL2A1, COL13A1 and WNT7B may be ossification related. In conclusion, the identification of these crucial miRNAs and lncRNAs may be conducive for explaining the pathogenesis of OLF and provide certain natural, endogenous and nontoxic drug targets for the treatment of OLF.

Dataset Information

Identification and quantification of the main active anticancer alkaloids from the root of Glaucium flavum.

Publications

Identification and quantification of the main active anticancer alkaloids from the root of Glaucium flavum.

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