Research Article

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08/14/2015
8-Hydroxy deoxyguanosine; DNA damage; Smoking; Tobacco; Waterpipe

Waterpipe tobacco smoking is increasing in popularity, particularly among young adults. This popularity is related to the lack knowledge regarding the health effects of waterpipe smoking. In this study, we examined the genotoxicity of waterpipe smoking using an 8-hydroxy deoxyguanosine (8-OHdG) assay. Genotoxicity was evaluated in the saliva, urine, and serum of 66 waterpipe adult smokers ... more

M. Azab; O.F. Khabour; K.H. Alzoubi; S.A.H. Mahmoud; M. Anabtawi; M. Quttina
07/31/2015
Aging; FOXO3; PI3K/Akt; Signaling pathway; Smoking

We investigated the effects of smoking and aging on pro­teins involved in the forkhead box O3 (FOXO3) signaling pathways in the lungs. Sixteen senescence-accelerated mouse-resistant 1 (SAMR1) and senescence-accelerated mouse-prone 8 (SAMP8) mice at 3 months of age were divided into a normally aged, smoke-exposed group (4 SAMR1 mice), a normally aged, air-exposed group (4 SAMR1 mice), an ... more

Y.M. Yuan; L. Luo; Z. Guo; M. Yang; Y.F. Lin; C. Luo
12/22/2015
Alcohol; Colorectal neoplasms; Cytochrome P-450 CYP1A1; Cytochrome P-450 CYP2E1; Genetic polymorphisms; Smoking

Polymorphisms in genes encoding P450 cytochrome enzymes may increase the risk of sporadic colorectal cancer (SCRC). Here we investigated the association between SCRC and CYP2E1 (PstI) and CYP1A1 (MspI) polymorphisms in a case-control study. Moreover, we sought to determine any possible associations between this disease and the sociodemographic factors. ... more

M.A. Proença; G.M.M. Fernandes; A. Russo; R.B. Lelis; J.G. Netinho; G.S. Cunrath; A.E. Silva; E.M. Goloni-Bertollo; E.C. Pavarino
11/03/2016
Asthma; Environmental factors; IL-4; Pets; Smoking

Asthma is an allergic disease characterized by hyperresponsiveness and chronic inflammation of the airway. The interleukin-4 (IL-4) gene and its single nucleotide polymorphisms are associated with asthma susceptibility in children. A case-control study was performed to evaluate the relationship between asthma risk and the ... more

L. Li; Y. Li; X.C. Zeng; J. Li; X.Y. Du
2017 Mar 15
Atherosclerosis; Female; Genetic association studies; Genetic predisposition to disease; Genotype; Glutathione transferase; Humans; male; Middle Aged; Polymorphism, Genetic; Risk factors; Smoking

Atherosclerosis is characterized by lesions, called atheroma or atheromatous plaques, in the inner layer of blood vessels, which block the vascular lumen and weaken the underlying tunica media. Several modifiable and non-modifiable risk factors for the development of atherosclerosis exist. The modifiable risk factors include hypertension, smoking, obesity, high LDL and low HDL cholesterol ... more

D.A. Rodrigues; J.V.M. Martins; K.S.F.E. Silva; I.R. Costa; M.H. Lagares; F.L. Campedelli; A.M. Barbosa; M.P. de Morais; K.K.V.O. Moura
2017 Mar 30
Adult; Aged; Aged, 80 and over; Alleles; Asian Continental Ancestry Group; Case-control studies; Female; Genetic association studies; Genetic predisposition to disease; Humans; Interleukin-17; Laryngeal Neoplasms; male; Middle Aged; Polymorphism, Single Nucleotide; Risk factors; Smoking

IL-17 is associated with the occurrence and development of laryngeal cancer. However, no study has reported the association between IL-17 polymorphisms and laryngeal cancer susceptibility. Therefore, we analyzed the association of three polymorphism loci (rs2275913, 197 G/A; rs3748067, 383 A/G; and rs763780, 7488 T/C) of IL-17A and IL-17F with laryngeal cancer in the Chinese population. A case ... more

F.Z. Si; Y.Q. Feng; M. Han
2017 Aug 17
Alcohol Drinking; Atherosclerosis; Case-control studies; Diabetes mellitus; Humans; Polymorphism, Single Nucleotide; Smoking; Tumor Suppressor Protein p53

Atherosclerosis is a multifactorial pathological disease that alters the morphology and function of arterial walls. The atheroma growth leads to vessel hardening and lumen narrowing, limiting the blood flow. The atheroma plaque can eventually break, expose highly thrombogenic material and lead to platelet activation and subsequent formation of a thrombus that may block blood flow in loco, or ... more

M.H. Lagares; K.S.F. Silva; A.M. Barbosa; D.A. Rodrigues; I.R. Costa; J.V.M. Martins; M.P. Morais; F.L. Campedelli; K.K.V.O. Moura
02/25/2019
Cervical cancer; GSTM1; GSTT1; Smoking

Human papillomavirus infection is the main risk factor for cervical cancer. Other risk factors include smoking and genetic susceptibility. Glutathione-S-transferases are enzymes involved in tobacco carcinogen metabolism, and genes encoding these enzymes are highly polymorphic. We compared the frequencies of GSTM1 and GSTT1 null polymorphisms in ... more

A.L.M. Tacca; A.K. Lopes; C.A.S.T. Vilanova-Costa; A.M.T.C. Silva; S.H.N. Costa; N.A. Nogueira; J.E.P. Ramos; A.A. Ribeiro; V.A. Saddi
07/29/2021
Hepatocytes; Liver; Long-term exposure; Nitrosamine; NNK; Smoking

There are over 7,000 components in cigarette smoke, 70 of which are considered genotoxic and carcinogenic. N-Nitrosamine 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) is one of these components. When treated with NNK at concentrations of as low as 0.1 nM, breast and lung cells are known to acquire malignant properties. The liver plays an important role in ... more

A.M. Miyake-Mizusaka; T.L. Ikeda; M.K. Nagamine; R.P. Araldi; M.L.Z. Dagli
09/28/2015
Case-control study; Dental caries; Gene polymorphism; Vitamin D receptor

Environmental influences on the development and progression of dental caries are well known; however, there is little evidence of a genetic component imparting susceptibility to dental caries. The aim of this study was to investigate the relationship between a single nucleotide polymorphism in the vitamin D receptor TaqI locus and dental caries susceptibility in a Chinese ... more

X.P. Hu; Z.Q. Li; J.Y. Zhou; Z.H. Yu; J.M. Zhang; M.L. Guo

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