Reversing P-glycoprotein-mediated multidrug resistance in vitro by α-asarone and β-asarone, bioactive cis-trans isomers from Acorus tatarinowii. 2014

Xue Meng, and Sha Liao, and Xueyan Wang, and Shixiang Wang, and Xinfeng Zhao, and Pu Jia, and Weijing Pei, and Xiaopu Zheng, and Xiaohui Zheng
College of Life Sciences, Northwest University, No. 229, Taibai Northern Road, Mail Box 195#, Xi'an, 710069, China.

P-Glycoprotein (P-gp), an ATP-binding cassette transporter, plays an important role in multidrug resistance (MDR). α-Asarone and β-asarone, bioactive cis-trans isomers found in Acorus tatarinowii Schott, were tested for their potential ability to modulate the expression and function of P-gp in Caco-2 cells. MTT assays revealed that both α-asarone and β-asarone significantly enhanced the vincristine-induced cytotoxicity to cells. β-Asarone was the most potent. Flow cytometry showed that α- and β-asarone increased Rhodamine 123 (Rh123) uptake and inhibited Rh123 efflux in Caco-2 cells in a concentration-dependent manner. Furthermore, P-gp expression and P-gp mRNA in cells were decreased by exposure to α- and β-asarone. In addition, β-asarone increased the inhibition of P-gp activity in cells more than α-asarone. Thus, α- and β-asarone effectively reversed MDR by inhibiting P-gp function and expression.

UI MeSH Term Description Entries
D010936 Plant Extracts Concentrated pharmaceutical preparations of plants obtained by removing active constituents with a suitable solvent, which is evaporated away, and adjusting the residue to a prescribed standard. Herbal Medicines,Plant Extract,Extract, Plant,Extracts, Plant,Medicines, Herbal
D002470 Cell Survival The span of viability of a cell characterized by the capacity to perform certain functions such as metabolism, growth, reproduction, some form of responsiveness, and adaptability. Cell Viability,Cell Viabilities,Survival, Cell,Viabilities, Cell,Viability, Cell
D004847 Epithelial Cells Cells that line the inner and outer surfaces of the body by forming cellular layers (EPITHELIUM) or masses. Epithelial cells lining the SKIN; the MOUTH; the NOSE; and the ANAL CANAL derive from ectoderm; those lining the RESPIRATORY SYSTEM and the DIGESTIVE SYSTEM derive from endoderm; others (CARDIOVASCULAR SYSTEM and LYMPHATIC SYSTEM) derive from mesoderm. Epithelial cells can be classified mainly by cell shape and function into squamous, glandular and transitional epithelial cells. Adenomatous Epithelial Cells,Columnar Glandular Epithelial Cells,Cuboidal Glandular Epithelial Cells,Glandular Epithelial Cells,Squamous Cells,Squamous Epithelial Cells,Transitional Epithelial Cells,Adenomatous Epithelial Cell,Cell, Adenomatous Epithelial,Cell, Epithelial,Cell, Glandular Epithelial,Cell, Squamous,Cell, Squamous Epithelial,Cell, Transitional Epithelial,Cells, Adenomatous Epithelial,Cells, Epithelial,Cells, Glandular Epithelial,Cells, Squamous,Cells, Squamous Epithelial,Cells, Transitional Epithelial,Epithelial Cell,Epithelial Cell, Adenomatous,Epithelial Cell, Glandular,Epithelial Cell, Squamous,Epithelial Cell, Transitional,Epithelial Cells, Adenomatous,Epithelial Cells, Glandular,Epithelial Cells, Squamous,Epithelial Cells, Transitional,Glandular Epithelial Cell,Squamous Cell,Squamous Epithelial Cell,Transitional Epithelial Cell
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000081248 Allylbenzene Derivatives Compounds that include a single 1-phenyl-2-propene moiety in their structure. 1-Methyl-1-phenylethylene Derivatives,1-Phenyl-2-propene Derivatives,2-Propenylbenzene Derivatives,3-Ethenylmethylbenzene Derivatives,Allylbenzenes,Vinyl Toluene Derivatives
D000840 Anisoles A group of compounds that are derivatives of methoxybenzene and contain the general formula R-C7H7O. Methylphenyl Ethers,Ethers, Methylphenyl
D000970 Antineoplastic Agents Substances that inhibit or prevent the proliferation of NEOPLASMS. Anticancer Agent,Antineoplastic,Antineoplastic Agent,Antineoplastic Drug,Antitumor Agent,Antitumor Drug,Cancer Chemotherapy Agent,Cancer Chemotherapy Drug,Anticancer Agents,Antineoplastic Drugs,Antineoplastics,Antitumor Agents,Antitumor Drugs,Cancer Chemotherapy Agents,Cancer Chemotherapy Drugs,Chemotherapeutic Anticancer Agents,Chemotherapeutic Anticancer Drug,Agent, Anticancer,Agent, Antineoplastic,Agent, Antitumor,Agent, Cancer Chemotherapy,Agents, Anticancer,Agents, Antineoplastic,Agents, Antitumor,Agents, Cancer Chemotherapy,Agents, Chemotherapeutic Anticancer,Chemotherapy Agent, Cancer,Chemotherapy Agents, Cancer,Chemotherapy Drug, Cancer,Chemotherapy Drugs, Cancer,Drug, Antineoplastic,Drug, Antitumor,Drug, Cancer Chemotherapy,Drug, Chemotherapeutic Anticancer,Drugs, Antineoplastic,Drugs, Antitumor,Drugs, Cancer Chemotherapy
D013194 Staining and Labeling The marking of biological material with a dye or other reagent for the purpose of identifying and quantitating components of tissues, cells or their extracts. Histological Labeling,Staining,Histological Labelings,Labeling and Staining,Labeling, Histological,Labelings, Histological,Stainings
D013778 Tetrazolium Salts Quaternary salts derived from tetrazoles. They are used in tests to distinguish between reducing sugars and simple aldehydes, for detection of dehydrogenase in tissues, cells, and bacteria, for determination of corticosteroids, and in color photography. (From Mall's Dictionary of Chemistry, 5th ed, p455) Tetrazolium Salt,Salt, Tetrazolium,Salts, Tetrazolium
D013844 Thiazoles Heterocyclic compounds where the ring system is composed of three CARBON atoms, a SULFUR and NITROGEN atoms. Thiazole

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