alpha santonin/vėžys

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Induction of G₂/M arrest, caspase activation and apoptosis by α-santonin derivatives in HL-60 cells.

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Sesquiterpene lactones (SLs) are natural products with a variety of biological activities. Previously, we demonstrated the cytotoxic effects of three new α-santonin derivatives on different tumor cell lines with low toxic effects upon peripheral human leukocytes. Here, we evaluated the mechanism of

Synthesis and biological evaluation of α-santonin derivatives as anti-hepatoma agents.

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A series of α-santonin-derived compounds as potentially anti-hepatoma agents were designed and synthesized in an effort to find novel therapeutic agents. Among them, derivative 5h was more potent than the positive control 5-fluorouracil (5-Fu) on HepG-2, QGY-7703 and SMMC-7721 with IC50 values of

Synthesis and anticancer activity of novel spiro-isoxazoline and spiro-isoxazolidine derivatives of α-santonin.

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In the present study, novel spiro derivatives of α-santonin were prepared and tested for their anticancer activity against a panel of six human cancer cell lines. Spiro-isoxazoline and spiro-isoxazolidine derivatives have been generated on C-ring of α-santonin (α-methylene-γ-butyrolactone) by the

Design, synthesis and anticancer activity of Michael-type thiol adducts of α-santonin analogue with exocyclic methylene.

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A series of Michael-type analogues were generated on the C-ring of α-santonin (α-methylene-γ-butyrolactone) upon reaction with various thiols. All the thiol adducts synthesized were evaluated for their anticancer activity against four human cancer cell lines (PC-3, HCT-15, A-549 and MCF-7). Bioassay

Synthesis and cytotoxic activity of alpha-santonin derivatives.

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Ten alpha-santonin derivatives were synthesized in moderate to high yields. Four derivatives namely 10alpha-acetoxy-3-oxo-1,7alphaH,6,11betaH-guai-4-en-6,12-olide (2), isofotosantonic acid (3), 10alpha-hydroxy-3-oxo-1,7alphaH,6,11betaH-guai-4-en-6,12-olide (4), and lumisantonin (5), were prepared by

Synthesis of novel α-santonin derivatives as potential cytotoxic agents.

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Ten novel α-santonin derivatives have been synthesized as cytotoxic agents. The in vitro antitumor activity of these compounds has been evaluated against cancer cells lines. Structure-activity relationships indicate that α-methylene-γ-lactone and endoperoxide functionalities play important roles in

Selective Cytotoxicity of α-Santonin from the Persian Gulf Sponge Dysidea Avara on Pediatric ALL B-lymphocytes via Mitochondrial Targeting

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Background: Acute lymphoblastic leukemia (ALL) is one of the most dominant malignancies among children, characterized by production of immature and dysfunctional blasts which are resistant to cytotoxic chemotherapeutic agents. Therefore, research protocols are currently focusing on discovery of

Parthenolide inhibits ubiquitin-specific peptidase 7 (USP7), Wnt signaling, and colorectal cancer cell growth.

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It has been well established that the deubiquitinating enzyme ubiquitin-specific peptidase 7 (USP7) supports cancer growth by up-regulating multiple cellular pathways, including Wnt/β-catenin signaling. Therefore, considerable efforts are directed at identifying and developing USP7 inhibitors. Here,

New eudesmane-type sesquiterpenoid from Solanum lyratum with cytotoxic activity.

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In our continuing effort to discover more new cytotoxic sesquiterpenoids from Solanum lyratum, one new eudesmane-type sesquiterpenoid (1, 3-keto-eudesm-9β,11-diol, named lyratol G), together with one known eudesmane-type sesquiterpenoid (2, 1β-hydroxy-1,2-dihydro-α-santonin), was obtained. The

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