goniothalamus wightii/anticancerigen

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Hydrogen peroxide/ATR-Chk2 activation mediates p53 protein stabilization and anti-cancer activity of cheliensisin A in human cancer cells.

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Chiliensisine A (Chel A) as a novel styryl-lactone isolated from Goniothalamus cheliensis Hu has been indicated to be a chemotherapeutic agent in Leukemia HL-60 cells. However, its potential for cancer treatment and the underlying mechanisms are not deeply investigated to the best of our knowledge.

[Studies on the anticancer effect of howiinol A, a new compound isolated from Goniothalamus howii].

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The effect of howiinol A (GHM-10) on the growth of several cancer and normal cells were studied, using the methods of cell growth curve determination, MTT test and soft-agar colony formation assay. The results showed that GHM-10 exhibited potent inhibitory effect on cancer cells with an IC50 of 2

[Antitumor activity of howiinol (GHM-10) on L1210 cells in vitro].

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Howiinol(GHM-10) is a new compound isolated from Goniothalamus howii. Previous studies showed that GHM-10 significantly inhibited the growth of cancer cells both in vitro and in vivo. In the present study, the characteristics of the inhibitory effect of GHM-10 on L1210 cells was investigated. The

Anticancer effect of Howiinol A and its mechanism of action.

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Howiinol A (GHM-10) is a kind of phenylethylene pyrone compounds isolated from Goniothalamus howii. By using the techniques of cell growth curve determination, MTT test, soft agar colony assay and experimental therapy of transplantable tumors in mice, it is found that GHM-10 exerts potent inhibitory

Apoptosis induction, cell cycle arrest and in vitro anticancer activity of gonothalamin in a cancer cell lines.

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Cancer is one of the major health problems worldwide and its current treatments have a number of undesired adverse side effects. Natural compounds may reduce these. Currently, a few plant products are being used to treat cancer. In this study, goniothalamin, a natural occurring styryl-lactone

Cheliensisin A (Chel A) induces apoptosis in human bladder cancer cells by promoting PHLPP2 protein degradation.

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Cheliensisin A (Chel A), a styryl-lactone compound extracted from Goniothalamus cheliensis, is reported to have significant anti-cancer effects in various cancer cells. Here we demonstrated that Chel A treatment resulted in apoptosis and an inhibition of anchorage-independent growth in human bladder

Role of altholactone in inducing type II apoptosis signalling pathway and expression of cancer-related genes in cervical carcinoma HeLa cell line.

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Goniothalamus species (Annonaceae) is a shrub that grows in the rainforest of tropical Asia. Several compounds have been isolated and exhibit the potential use for cancer treatment. In this work, altholactone isolated from Goniothalamus macrophyllus was investigated for its cytotoxicity, apoptosis

5-Acetyl goniothalamin suppresses proliferation of breast cancer cells via Wnt/β-catenin signaling.

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Styryl lactones are plant-derived compounds from genus Goniothalamus with promising anti-proliferation and anticancer properties. However, the exact mechanism and the target for their activities remained unclear. In the present study, we investigated the effect of 5-acetyl goniothalamin (5GTN) from

Constituents from the stems of Goniothalamus griffithii.

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A new cyclopeptide, grifficyclocin A (1), and a new aporphine alkaloid, griffinin (2) were isolated together with two known styryllactones from the stems of Goniothalamus griffithii. Their structures were identified spectroscopically and chemically. Among them, the griffinin (2) was isolated as the

The cytotoxicity of naturally occurring styryl lactones.

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We extracted and isolated three natural styryl lactones from Goniothalamus griffithii Hook f. Thoms and investigated their cytotoxicity on a panel of three hepatocyte cell lines, HepG2, drug resistant HepG2 (HepG2-R) and primary cultured normal mice hepatocyte in order to find candidates of

[The chemical constituents of Goniothalamus howii Merr].

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Two new compounds were isolated from the chloroform soluble fraction of ethanolic extract of bark of Goniothalamus howii Merr. On the basis of their chemical properties and spectral data (MS, UV, IR, 1H and 13CNMR) they were identified as 6S (1R-hydroxy-2R-cinnamyloxyphenethyl) 5,

Bioactive styryllactones and alkaloid from flowers of Goniothalamus laoticus.

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BACKGROUND Goniothalamus laoticus (Annonaceae) is being used traditionally as a tonic and a febrifuge by the local people in the northeastern part of Thailand. OBJECTIVE To investigate the Thai medicinal plant, Goniothalamus laoticus, for antiplasmodial, antimycobacterial and cytotoxicity

Induction of caspase-9, biochemical assessment and morphological changes caused by apoptosis in cancer cells treated with goniothalamin extracted from Goniothalamus macrophyllus.

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Goniothalamin, a natural compound extracted from Goniothalamus sp. belonging to the Annonacae family, possesses anticancer properties towards several tumor cell lines. This study focused on apoptosis induction by goniothalamin (GTN) in the Hela cervical cancer cell line. Cell growth inhibition was

Asymmetric synthesis of (+)-altholactone: a styryllactone isolated from various Goniothalamus species.

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The asymmetric total synthesis of (+)-altholactone (1), a member of the styryllactone family of natural products displaying cytotoxic and antitumor activities, is described. Key steps include a RAMP-hydrazone alpha-alkylation (RAMP=(R)-1-amino-2-methoxymethylpyrrolidine) of

Development of novel conformation-constrained cytotoxic derivatives of cheliensisin A by embedment of small heterocycles.

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Cheliensisin A is a natural styryl-lactone isolated from Goniothalamus cheliensis Hu in considerably large quantity with putative anticancer activities. However, its poor water solubility and chemical instability have precluded cheliensisin A as a potential drug candidate. To explore the strategy to

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