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β-Diketone modified trastuzumab: a next-generation of Herceptin for resistant breast cancer cells?

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Despite the initial efficacy of trastuzumab (commercially named Herceptin), acquired resistance in a majority of patients remains the biggest hurdle in breast cancer therapy. Recently, the Scripps Research Institute developed a method termed "instant immunity", in which antibodies (chemical

Effect of the beta-diketones diferuloylmethane (curcumin) and dibenzoylmethane on rat mammary DNA adducts and tumors induced by 7,12-dimethylbenz[a]anthracene.

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Curcumin is a beta-diketone constituent of the spice turmeric that possesses anticarcinogenic properties in several animal models. The present studies were conducted in order to identify beta-diketones structurally-related to curcumin that would be effective dietary blocking agents toward the

Antitumor effects of curcumin and structurally beta-diketone modified analogs on multidrug resistant cancer cells.

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Using concepts of bioisostery a series of curcumin analogs were synthesized: the diketonic system of the compound was elaborated into enaminones, oximes, and the isoxazole heterocycle. The cell growth inhibitory and apoptosis inducing effects of the new analogs were evaluated by in vitro assays in

Heterocyclic cyclohexanone monocarbonyl analogs of curcumin can inhibit the activity of ATP-binding cassette transporters in cancer multidrug resistance.

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Curcumin (CUR) is a phytochemical that inhibits the xenobiotic ABC efflux transporters implicated in cancer multidrug resistance (MDR), such as P-glycoprotein (P-gp), breast cancer resistance protein (BCRP) and multidrug resistance-associated proteins 1 and 5 (MRP1 and MRP5). The use of CUR in the

Computational analyses of curcuminoid analogs against kinase domain of HER2.

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BACKGROUND Human epidermal growth factor receptor 2 (HER2) has an important role in cancer aggressiveness and poor prognosis. HER2 has been used as a drug target for cancers. In particular, to effectively treat HER2-positive cancer, small molecule inhibitors were developed to target HER2 kinase.

Design, synthesis and cytotoxic effects of curcuminoids on HeLa, K562, MCF-7 and MDA-MB-231 cancer cell lines.

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BACKGROUND Curcumin is one of the leading compound extracted from the dry powder of Curcuma longa (Zingiberaceae family), which possess several pharmacological properties. However, in vivo administration exhibited limited applications in cancer therapies. RESULTS Twenty-four curcumin derivatives

Highly active anticancer curcumin analogues.

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Curcumin, a compound in the human food supply, represents a near-perfect starting point for drug discovery. Consequently, a number of research groups have taken the natural product as a starting point to prepare and biologically evaluate a wide variety of curcumin analogues. One widely used

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