Results 1 to 10 of about 25,689 (170)
Nicotine and cotinine enhance SARS-CoV-2 entry through distinct but complementary mechanisms in human respiratory epithelial cells [PDF]
Previous epidemiological studies have shown that E-cigarette and tobacco users are more likely to develop COVID-19 symptoms than non-users. To investigate the underlying mechanisms, we examined the effects of nicotine, the major component of tobacco and ...
Jiheng Xu +7 more
doaj +2 more sources
Food insecurity and elevated nicotine exposure among U.S. tobacco users: Evidence from NHANES [PDF]
Background: Tobacco use and food insecurity (FI) frequently co-occur and may influence each other bidirectionally. Most prior research has emphasized tobacco use as a driver of FI, typically relying on self-reported measures.
Casey Jordan Roulette
doaj +2 more sources
Introduction Serum cotinine is a sensitive and specific marker of tobacco smoke exposure. α-Klotho is an anti-ageing molecule, which plays an important role in several diseases.
Yu Yao +4 more
doaj +1 more source
Objectives Accurate assessment of tobacco smoke exposure is key to evaluate its effects. We sought to validate and establish cut-offs for self-reported smoking and secondhand smoke (SHS) exposure during pregnancy using urinary cotinine and 4 ...
Margaret R Karagas +8 more
doaj +1 more source
Measurement of multiple nicotine metabolites and total nicotine equivalents (TNE) might be a more reliable strategy for tobacco exposure verification than measuring single urinary cotinine alone.
Hyun-Seung Lee +2 more
doaj +1 more source
Factors Affecting the Serum Cotinine Level of Male Smokers in Malang, Indonesia
Background: In tobacco, nicotine is the primary toxic agent that causes health problems. As a primary metabolite of nicotine, cotinine is frequently used as an accurate measure of exposure to tobacco smoke.
Kumboyono Kumboyono +10 more
doaj +3 more sources
Racial Disparity in the Associations of Cotinine with Insulin Secretion: Data from the National Health and Nutrition Examination Survey, 2007-2012. [PDF]
BACKGROUND:Although relationships between smoking/high cotinine and type 2 diabetes have consistently been observed, few studies have investigated the relationship between cotinine and underlying pathophysiological defects that characterize diabetes ...
Rong Liu +4 more
doaj +1 more source
Effect of Sample Storage Conditions on Measurements of Salivary Cotinine Levels
Information on smoking exposure obtained with self-reports may be inaccurate. Cotinine has a large half-life and its salivary levels correlate well with plasmatic levels.
Fábio Renato Manzolli Leite +4 more
doaj +1 more source
The prevalence of and factors associated with urinary cotinine-verified smoking in Korean adults: The 2008-2011 Korea National Health and Nutrition Examination Survey. [PDF]
BACKGROUND:Smoking rate based on self-reporting questionnaire might be underestimated. Cotinine is the principal metabolite of nicotine and is considered an accurate biomarker of exposure to cigarette smoke. OBJECTIVES:This study evaluated the prevalence
Jae Won Hong +2 more
doaj +1 more source
ObjectivesAlthough several self-reported questionnaire-based studies have found an association between smoking and moderately increased albuminuria, this result remains controversial.
Yeonjoo Choi +10 more
doaj +1 more source

