Alcohol is mutagenic, cancerogenic and teratogenic in man. Ethanol is mutagenic via its first metabolite, acetaldehyde. This is substantiated by the findings that acetaldehyde induces chromosomal aberrations, sister-chromatid exchanges and cross-links between DNA strands. Methanol, a contaminant of many alcoholic beverages, is also mutagenic via its metabolite, formaldehyde. In addition, different indirect pathways may lead to mutations by alcohol. The cancerogenic activity of alcohol remains unverified by modern standard carcinogenicity tests. Ethanol and other alcohols, as well as aldehydes, inhibit RNA synthesis in cells and in cell-free transcriptional systems. A reduction of cellular RNA synthesis may play an important role in the mutagenic, carcinogenic and teratogenic activity of alcohol.
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http://dx.doi.org/10.1016/0165-1110(79)90004-6 | DOI Listing |
Toxicology
August 2024
Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China. Electronic address:
Aristolochic acid (AA)-IIIa is an AA analog present in Aristolochiaceae plants. To evaluate the chronic toxicity of AA-IIIa, mice were intragastrically administered with media control, 1 mg/kg AA-IIIa, and 10 mg/kg AA-IIIa, and designated as the control (CTL), AA-IIIa low dose (AA-IIIa-L), and AA-IIIa high dose (AA-IIIa-H) groups, respectively. AA-IIIa was administered three times a week, every other day, for 24 weeks (24-week time point).
View Article and Find Full Text PDFChemistry
June 2024
TU Wien, Institute of Applied Synthetic Chemistry, Getreidemarkt 9/163, 1060, Wien, AUSTRIA.
Alkylation reactions are pivotal in organic chemistry, with wide-ranging utilization across various fields of applied synthetic chemistry. However, conventional reagents employed in alkylations often pose substantial health and exposure risks. Quaternary ammonium salts (QAS) present a promising alternative for these transformations offering significantly reduced hazards as they are non-cancerogenic, non-mutagenic, non-flammable, and non-corrosive.
View Article and Find Full Text PDFSci Rep
December 2022
Institute of Occupational Medicine, Edinburgh, EH14 4AP, UK.
Chemicals containing Volatile Organic Compounds (VOCs) are commonly used in the machine carpet production. 1,3-butadiene and styrene are main components of the carpenter's glue used in carpet factories. Exposition to these chemicals can lead to a number of adverse health effects.
View Article and Find Full Text PDFArch Public Health
March 2022
Division of Psychiatry, University of Western Australia, Crawley, WA, 6009, Australia.
Background: The genotoxic and cancerogenic impacts of population-wide cannabinoid exposure remains an open but highly salient question. The present report examines these issues from a continuous bivariate perspective with subsequent reports continuing categorical and detailed analyses.
Methods: Age-standardized state census incidence of 28 cancer types (including "All (non-skin) Cancer") was sourced using SEER*Stat software from Centres for Disease Control and National Cancer Institute across US states 2001-2017.
Molecules
August 2021
Department of Food Analysis and Environmental Protection, Faculty of Chemical Technology and Engineering, UTP University of Science and Technology, 3 Seminaryjna Street, 85-326 Bydgoszcz, Poland.
UV filters are a group of compounds commonly used in different cosmetic products to absorb UV radiation. They are classified into a variety of chemical groups, such as benzophenones, salicylates, benzotriazoles, cinnamates, p-aminobenzoates, triazines, camphor derivatives, etc. Different tests have shown that some of these chemicals are absorbed through the skin and metabolised or bioaccumulated.
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