Nicotine promotes cell proliferation via α7-nicotinic acetylcholine receptor and catecholamine-synthesizing enzymes-mediated pathway in human colon adenocarcinoma HT-29 cells

Wong, Hai Ming; Yu, Li; Lam, Emily Kai Yee; Tai, Emily Kin Ki; Wu, William Ka Kei; Cho, Chi Hin

doi:10.1016/j.taap.2007.04.002

Cited by 139 publications

(137 citation statements)

References 29 publications

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“…As a particular case, previous studies on normal and cancer cells have suggested that nicotine, a major active component of cigarette smoke, can regulate the expression of catecholamine-synthesis pathway through the action on α7-nAChR, epinephrine production and ultimately epinephrine release and adrenergic receptors activation [6,13,14], Schemes 2 and 3. The α2-adrenoceptor is a transmembrane G protein-coupled receptor (GPCR) associated with the G i heterotrimeric G-protein.…”

Section: Introductionmentioning

confidence: 99%

“…Studies suggested that smokers have a higher risk for developing colorectal cancer cells than non-smokers [6].…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, it was demonstrated that stimulation of β-adrenoceptors by epinephrine play a role in the HT-29 cell proliferation in a dose-dependent manner and enhance prostaglandin-endoperoxide synthase 2 (COX-2) and vascular endothelial growth factor (VEGF) expression [6,8,17,18]. Epinephrine at the concentration of 10 μM significantly increased HT-29 cell proliferation by 35% when compared to the control group and also up-regulated matrix metallopeptidase 9 (MMP-9) activity and prostaglandin E2 (PGE2) release.…”

Section: Introductionmentioning

confidence: 99%

“…Epinephrine at the concentration of 10 μM significantly increased HT-29 cell proliferation by 35% when compared to the control group and also up-regulated matrix metallopeptidase 9 (MMP-9) activity and prostaglandin E2 (PGE2) release. [6,18,19].…”

Section: Introductionmentioning

confidence: 99%

“…Considering the existence of vesicle-associated membrane proteins (VAMPs) in HT-29 cells, as well as in other non-neuroendocrine cells [24,25,26], and the fact that the activation of nAChRs by nicotine results in the influx of Na + and Ca 2+ , which engenders rapid changes in the membrane potential and local increase in intracellular Ca 2+ concentration [17], it is explained the epinephrine release by HT-29 cells by a similar mechanism, in which nicotine play a pivotal role in chemotherapy resistance and cell proliferation [6,13,14].…”

Section: Introductionmentioning

confidence: 99%

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Human colon adenocarcinoma HT-29 cell: Electrochemistry and nicotine stimulation

Oliveira

Santarino

Enache

et al. 2013

Bioelectrochemistry

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Section: Introductionmentioning

confidence: 99%

“…Studies suggested that smokers have a higher risk for developing colorectal cancer cells than non-smokers [6].…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Human colon adenocarcinoma HT-29 cell: Electrochemistry and nicotine stimulation

Oliveira

Santarino

Enache

et al. 2013

Bioelectrochemistry

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Regulation of tumor progression via the Snail‐RKIP signaling pathway by nicotine exposure in head and neck squamous cell carcinoma

et al. 2015

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Nicotine induces cell proliferation, invasion and epithelial‐mesenchymal transition in a variety of human cancer cell lines

Dasgupta

Rizwani

Pillai

et al. 2008

Intl Journal of Cancer

326

275

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Cigarette smoking is strongly correlated with the onset of nonsmall cell lung cancer (NSCLC). Nicotine, an active component of cigarettes, has been found to induce proliferation of lung cancer cell lines. In addition, nicotine can induce angiogenesis and confer resistance to apoptosis. All these events are mediated through the nicotinic acetylcholine receptors (nAChRs) on lung cancer cells. In this study, we demonstrate that nicotine can promote anchorage-independent growth in NSCLCs. In addition, nicotine also induces morphological changes characteristic of a migratory, invasive phenotype in NSCLCs on collagen gel. These morphological changes were similar to those induced by the promigratory growth factor VEGF. The proinvasive effects of nicotine were mediated by a7-nAChRs on NSCLCs. RT-PCR analysis showed that the a7-nAChRs were also expressed on human breast cancer and pancreatic cancer cell lines. Nicotine was found to promote proliferation and invasion in human breast cancer. The proinvasive effects of nicotine were mediated via a nAChR, Src and calcium-dependent signaling pathway in breast cancer cells. In a similar fashion, nicotine could also induce proliferation and invasion of Aspc1 pancreatic cancer cells. Most importantly, nicotine could induce changes in gene expression consistent with epithelial to mesenchymal transition (EMT), characterized by reduction of epithelial markers like E-cadherin expression, ZO-1 staining and concomitant increase in levels of mesenchymal proteins like vimentin and fibronectin in human breast and lung cancer cells. Therefore, it is probable that the ability of nicotine to induce invasion and EMT may contribute to the progression of breast and lung cancers. ' 2008 Wiley-Liss, Inc.Key words: lung cancer; nicotine; epithelial-mesenchymal transition; tumor progression; metastasis Cigarette smoke is the strongest documented risk factor for the development of lung cancer, accounting for about 157,000 deaths every year in the US. 1 A significant proportion of nonsmall cell lung cancer (NSCLC) cases are detected only in the advanced stage after the onset of metastasis, leading to a remarkably low 5-year survival rate (about 15%) in patients. 1 Tobacco-derived carcinogens like 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) and N 0 -nitrosonornicotine (NNN) are known to form DNA adducts, mutating vital growth regulatory genes like p53 and Ras, initiating oncogenesis. [2][3][4] In addition, several lines of evidence indicate that cigarette smoking correlates with increased metastasis of lung, pancreatic, breast and bladder cancers. [5][6][7] Although cigarette smoke is a complex mixture of over 4,000 compounds, nicotine has been shown the major addictive component of cigarettes. 8-10 Nicotine, while not carcinogenic by itself, has been shown to induce proliferation and angiogenesis in several experimental models 11-14 ; these effects occurred at concentrations normally found in the blood stream of smokers (10 28 -10 27 M). 12 These levels can vary greatly in smokers, and uri...

show abstract

Nicotine promotes cell proliferation via α7-nicotinic acetylcholine receptor and catecholamine-synthesizing enzymes-mediated pathway in human colon adenocarcinoma HT-29 cells

Cited by 139 publications

References 29 publications

Human colon adenocarcinoma HT-29 cell: Electrochemistry and nicotine stimulation

Human colon adenocarcinoma HT-29 cell: Electrochemistry and nicotine stimulation

Regulation of tumor progression via the Snail‐RKIP signaling pathway by nicotine exposure in head and neck squamous cell carcinoma

Nicotine induces cell proliferation, invasion and epithelial‐mesenchymal transition in a variety of human cancer cell lines

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