Cited by 72Carcinogens and Genotoxicity AssessmentAntioxidant Activity and Oxidative StressAlcohol Consumption and Health Effects

Alcohol, Aldehydes, Adducts and Airways

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Sapkota, Muna, Wyatt, Todd·2015·Biomolecules

Abstract

Drinking alcohol and smoking cigarettes results in the formation of reactive aldehydes in the lung, which are capable of forming adducts with several proteins and DNA. Acetaldehyde and malondialdehyde are the major aldehydes generated in high levels in the lung of subjects with alcohol use disorder who smoke cigarettes. In addition to the above aldehydes, several other aldehydes like 4-hydroxynonenal, formaldehyde and acrolein are also detected in the lung due to exposure to toxic gases, vapors and chemicals. These aldehydes react with nucleophilic targets in cells such as DNA, lipids and proteins to form both stable and unstable adducts. This adduction may disturb cellular functions as well as damage proteins, nucleic acids and lipids. Among several adducts formed in the lung, malondialdehyde DNA (MDA-DNA) adduct and hybrid malondialdehyde-acetaldehyde (MAA) protein adducts have been shown to initiate several pathological conditions in the lung. MDA-DNA adducts are pre-mutagenic in mammalian cells and induce frame shift and base-pair substitution mutations, whereas MAA protein adducts have been shown to induce inflammation and inhibit wound healing. This review provides an insight into different reactive aldehyde adducts and their role in the pathogenesis of lung disease.

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  • Free amino acid residues of proteins, lipids, nucleic acids, and nucleophilic molecules are major targets of adduct formation or covalent binding with reactive molecules such as acetaldehyde, acrolein, crotonaldehyde, formaldehyde, malondialdehyde, 4-hydroxynonenal, 8-hydroxydeoxyguanosine, N2-((furan-2-yl)methyl)-2′-deoxyguanosine, and N2-ethyl-2′-deoxyguanosine.

    “Free amino acid residues of proteins, lipids, nucleic acids, and nucleophilic molecules are major targets of adduct formation or covalent binding with reactive molecules such as acetaldehyde, acrolein, crotonaldehyde, formaldehyde, malondialdehyde, 4-hydroxynonenal, 8-hydroxydeoxyguanosine, N2-((furan-2-yl)methyl)-2′-deoxyguanosine, and N2-ethyl-2′-deoxyguanosine164–166.”
  • Chronic and/or excessive alcohol intake can cause ARDS and other types of pulmonary dysfunction characterized by reduced air exchange rates with increased lung epithelial barrier dysfunction, possibly through increased oxidative stress and MDA and 4-HNE adducts.

    “Chronic and/or excessive alcohol intake can cause acute respiratory distress syndrome (ARDS) and other types of pulmonary dysfunction characterized by reduced air exchange rates with increased lung epithelial barrier dysfunction, possibly through increased oxidative stress and MDA and 4-HNE adducts164,234.”

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  1. [83]McConnell E. Emergency and Continuous Exposure Guidance Levels for Selected Submarine Contaminants: Volume, 1 The National Academies Press Washington, DC, USA 2007 195 208 25032358

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Authors
Sapkota, M., & Wyatt, T.
Affiliations
  • University of Nebraska Medical Center (US)
  • VA Nebraska Western Iowa Health Care System (US)
Corresponding author
Wyatt, Todd
Venue
Biomolecules
Publisher
MDPI AG
Published
2015-11-05
Volume
5
Issue
4
Pages
2987-3008
ISSN
2218-273X (ISSN-L)
OpenAlex
W2111271266
Cited by
72
References
172
Citations by year
2026: 6 · 2025: 6 · 2024: 7 · 2023: 4 · 2022: 10 · 2021: 13 · 2020: 7 · 2019: 6 · 2018: 3 · 2017: 4 · 2016: 6
FWCI
0.42
Type
journal article
Language
en
Open access
Locations
  • Biomolecules (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • DHHS/NIH/NIAAA (R01AA017993)
  • DHHS/CDC/NIOSH (U54OH010162)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Carcinogens and Genotoxicity Assessment
  • Health Sciences › Medicine › Biochemistry › Antioxidant Activity and Oxidative Stress
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Alcohol Consumption and Health Effects
Keywords
reactive aldehydes, acetaldehyde, malondialdehyde, 4-hydroxynonenal, formaldehyde, acrolein, aldehyde adducts, alcoholism, cigarette smoking, lung disease pathogenesis, DNA damage, protein adducts, lipid peroxidation, inflammation, wound healing
MeSH terms
Ethanol, Aldehydes, Animals, Humans, Respiratory Tract Diseases, Smoking, Tobacco Smoke Pollution, DNA Adducts

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