Donepezil, a potent acetylcholinesterase inhibitor, induces caspase-dependent apoptosis in human promyelocytic leukemia HL-60 cells. 2010

Yo Sook Ki, and Eun Young Park, and Heon-Woo Lee, and Myung Sook Oh, and Young-Wuk Cho, and Yunhee Kim Kwon, and Ji Hee Moon, and Kyung-Tae Lee
College of Pharmacy, Kyung Hee University, Seoul 130-701, Republic of Korea.

Although donepezil, a potent acetylcholinesterase (AChE) inhibitor, has been used to treat Alzheimer's disease (AD) due to its neuroprotective effects, its mode of action to inhibit the growth of cancer cells is poorly understood. In the present study, we investigated the pro-apoptotic activities of donepezil in HL-60 human promyelocytic leukemia cells and the underlying molecular mechanism involved. It was found that donepezil induced the apoptosis of HL-60 and U937 cells in a dose- and time-dependent manner, as evidenced by the formation of DNA fragmentation and the accumulation of positive cells for Annexin V. In addition, the activations of caspase-8, -9, and -3 were significantly increased 36 h after donepezil treatment. Furthermore, the broad caspase inhibitor (z-VAD-fmk) blocked donepezil-induced apoptosis. In addition, donepezil was found to cause the loss of mitochondrial membrane potential (DeltaPsi(m)), to increase the release of cytochrome c to the cytosol, and to alter the expressions of Bcl-2 family proteins. Taken together, these results demonstrate for the first time that donepezil displayed an induction of apoptosis in HL-60 cells via a mitochondria-mediated caspase-dependent pathway.

UI MeSH Term Description Entries
D007189 Indans Aryl CYCLOPENTANES that are a reduced (protonated) form of INDENES. Indanones
D010880 Piperidines A family of hexahydropyridines.
D002800 Cholinesterase Inhibitors Drugs that inhibit cholinesterases. The neurotransmitter ACETYLCHOLINE is rapidly hydrolyzed, and thereby inactivated, by cholinesterases. When cholinesterases are inhibited, the action of endogenously released acetylcholine at cholinergic synapses is potentiated. Cholinesterase inhibitors are widely used clinically for their potentiation of cholinergic inputs to the gastrointestinal tract and urinary bladder, the eye, and skeletal muscles; they are also used for their effects on the heart and the central nervous system. Acetylcholinesterase Inhibitor,Acetylcholinesterase Inhibitors,Anti-Cholinesterase,Anticholinesterase,Anticholinesterase Agent,Anticholinesterase Agents,Anticholinesterase Drug,Cholinesterase Inhibitor,Anti-Cholinesterases,Anticholinesterase Drugs,Anticholinesterases,Cholinesterase Inhibitors, Irreversible,Cholinesterase Inhibitors, Reversible,Agent, Anticholinesterase,Agents, Anticholinesterase,Anti Cholinesterase,Anti Cholinesterases,Drug, Anticholinesterase,Drugs, Anticholinesterase,Inhibitor, Acetylcholinesterase,Inhibitor, Cholinesterase,Inhibitors, Acetylcholinesterase,Inhibitors, Cholinesterase,Inhibitors, Irreversible Cholinesterase,Inhibitors, Reversible Cholinesterase,Irreversible Cholinesterase Inhibitors,Reversible Cholinesterase Inhibitors
D003600 Cytosol Intracellular fluid from the cytoplasm after removal of ORGANELLES and other insoluble cytoplasmic components. Cytosols
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D004791 Enzyme Inhibitors Compounds or agents that combine with an enzyme in such a manner as to prevent the normal substrate-enzyme combination and the catalytic reaction. Enzyme Inhibitor,Inhibitor, Enzyme,Inhibitors, Enzyme
D006367 HeLa Cells The first continuously cultured human malignant CELL LINE, derived from the cervical carcinoma of Henrietta Lacks. These cells are used for, among other things, VIRUS CULTIVATION and PRECLINICAL DRUG EVALUATION assays. Cell, HeLa,Cells, HeLa,HeLa Cell
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000077265 Donepezil An indan and piperidine derivative that acts as a selective and reversible inhibitor of ACETYLCHOLINESTERASE. Donepezil is highly selective for the central nervous system and is used in the management of mild to moderate DEMENTIA in ALZHEIMER DISEASE. 1-Benzyl-4-((5,6-dimethoxy-1-indanon)-2-yl)methylpiperidine hydrochloride,Aricept,Donepezil Hydrochloride,Donepezilium Oxalate Trihydrate,E 2020,E-2020,E2020,Eranz
D015473 Leukemia, Promyelocytic, Acute An acute myeloid leukemia in which abnormal PROMYELOCYTES predominate. It is frequently associated with DISSEMINATED INTRAVASCULAR COAGULATION. Leukemia, Myeloid, Acute, M3,Leukemia, Progranulocytic,Myeloid Leukemia, Acute, M3,Progranulocytic Leukemia,Promyelocytic Leukemia, Acute,AML M3,Acute Promyelocytic Leukemia,Leukemia, Acute Promyelocytic,M3 ANLL,ANLL, M3,Acute Promyelocytic Leukemias

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