arecoline/piper

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Effects of areca nut, inflorescence piper betle extracts and arecoline on cytotoxicity, total and unscheduled DNA synthesis in cultured gingival keratinocytes.

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Betel quid (BQ) chewing has a strong correlation with oral leukoplakia, submucous fibrosis and oral cancer. For elucidation of its pathogenesis, we investigated the effects of areca nut (AN) and inflorescence piper betle (IPB) extracts and arecoline on the growth, total DNA synthesis (TDS) and

Arecoline and the 30-100 kDa fraction of areca nut extract differentially regulate mTOR and respectively induce apoptosis and autophagy: a pilot study.

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Areca nut (AN) is recognized as a human carcinogen; however, few studies of the cytotoxic effects of AN ingredients on cells have been reported. In Taiwan, AN, lime and inflorescence of Piper betle are the common components of betel quid (BQ). We recently noticed that extract of AN (ANE), but not

Areca alkaloids measured from buccal cells using DART-MS serve as accurate biomarkers for areca nut chewing.

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Areca nut (AN) chewing is carcinogenic and biomarkers reflecting it are urgently needed to determine the effectiveness of emergent cessation programs. Buccal cells (BCs) may serve as an ideal matrix to measure such biomarkers; however, their utility for this purpose is unknown. Direct

The mutagenicities of alkaloids and N-nitrosoguvacoline from betel quid.

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In Taiwan, betel quid is a natural masticatory, which is composed of fresh green areca fruit, Piper betle and slaked lime paste. Areca fruit contains some alkaloids, of which arecoline is the major one. N-Nitrosoguvacoline (NG), one of the N-nitrosation products of arecoline, is the only one

Effects of aqueous extracts of "Betel quid" and its constituents on testosterone production by dispersed mouse interstitial cells.

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Betel quid (BQ) is a favorite chewing item among many communities in different parts of Asia where it is popular by different names. BQ is a unique combination of nut or fruit from the Areca catechu Linn. (AN) tree, leaf from the Piper betle Linn. (BL) vine, slaked lime, paste of bark from the

Oral submucous fibrosis: a review article on etiopathogenesis.

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Areca quid chewing related oral mucosal lesions are potential hazard to a large population worldwide. Commercially freeze dried products such as pan masala, guthka and mawa have high concentration of areca nut per chew and appear to cause OSMF more rapidly than by self prepared conventional betel

Pilot study of the pharmacokinetics of betel nut and betel quid biomarkers in saliva, urine, and hair of betel consumers.

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Approximately 600 million people worldwide practise the carcinogenic habit of betel nut/quid chewing. Carcinogenic N-nitroso compounds have been identified in saliva or urine of betel chewers and the betel alkaloid arecoline in hair from habitual betel quid chewers. However, the pharmacokinetic

Composition of betel specific chemicals in saliva during betel chewing for the identification of biomarkers.

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Betel nut chewing causes cancer in humans, including strong associations with head and neck cancer in Guam. In the search for biomarkers of betel chewing we sought to identify chemicals specific for the 3 most commonly consumed betel preparations in Guam: nut ('BN'), nut + Piper betle leaf ('BL'),

Genotoxic and non-genotoxic effects of betel quid ingredients on oral mucosal fibroblasts in vitro.

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To understand the role of betel quid (BQ) in the pathogenesis of oral submucous fibrosis (OSF) and oral cancer, we used DNA damage, cytotoxicity, and cell proliferation assays to study the pathobiological effects of aqueous extracts of three BQ constituents [betel nut (Areca catechu, BN),

Effects of Betel chewing on the central and autonomic nervous systems.

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Betel chewing has been claimed to produce a sense of well-being, euphoria, heightened alertness, sweating, salivation, a hot sensation in the body and increased capacity to work. Betel chewing also leads to habituation, addiction and withdrawal. However, the mechanisms underlying these effects

Availability and characteristics of betel products in the U.S.

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Betel use involves oral placement of shards of areca nut (Areca catechu palm seed containing the cholinergic agonist arecoline) wrapped with slaked lime in a betel leaf (Piper betle plant) or various chopped or powdered products containing areca nut and/or parts of the betel plant. Additives to this

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