Covalent binding of polycyclic aromatic hydrocarbons to adenine correlates with tumorigenesis in mouse skin. 1979

J DiGiovanni, and J R Romson, and D Linville, and M R Juchau, and T J Slaga

Mouse epidermal homogenates were utilized to convert various polycyclic aromatic hydrocarbons to metabolites capable of binding covalently with nucleic acids. Poly(G) showed the highest capacity to bind covalently with the hydrocarbons; however, there was no correlation between binding to poly(G) and mouse skin tumorigenicity. On the other hand, covalent binding to poly(A) correlated well with values obtained for binding to DNA and mouse skin tumorigenicity. The order of binding to poly(A) was; 7,12-dimethylbenza[a]anthracene greater than benzo[a]pyrene greater than dibenz[a,h]anthracene greater than dibenz[a,c]anthracene.

UI MeSH Term Description Entries
D009374 Neoplasms, Experimental Experimentally induced new abnormal growth of TISSUES in animals to provide models for studying human neoplasms. Experimental Neoplasms,Experimental Neoplasm,Neoplasm, Experimental
D011061 Poly A A group of adenine ribonucleotides in which the phosphate residues of each adenine ribonucleotide act as bridges in forming diester linkages between the ribose moieties. Adenine Polynucleotides,Polyadenylic Acids,Poly(rA),Polynucleotides, Adenine
D011068 Poly G A group of guanine ribonucleotides in which the phosphate residues of each guanine ribonucleotide act as bridges in forming diester linkages between the ribose moieties. Guanine Polynucleotides,Polyguanylic Acids,Acids, Polyguanylic,Polynucleotides, Guanine
D004247 DNA A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine). DNA, Double-Stranded,Deoxyribonucleic Acid,ds-DNA,DNA, Double Stranded,Double-Stranded DNA,ds DNA
D004852 Epoxy Compounds Organic compounds that include a cyclic ether with three ring atoms in their structure. They are commonly used as precursors for POLYMERS such as EPOXY RESINS. Epoxide,Epoxides,Epoxy Compound,Oxiranes,Compound, Epoxy,Compounds, Epoxy
D005260 Female Females
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001551 Benz(a)Anthracenes Four fused benzyl rings with three linear and one angular, that can be viewed as a benzyl-phenanthrenes. Compare with NAPHTHACENES which are four linear rings. Benz(b)Phenanthrenes,Naphthanthracenes
D012867 Skin The outer covering of the body that protects it from the environment. It is composed of the DERMIS and the EPIDERMIS.
D012878 Skin Neoplasms Tumors or cancer of the SKIN. Cancer of Skin,Skin Cancer,Cancer of the Skin,Neoplasms, Skin,Cancer, Skin,Cancers, Skin,Neoplasm, Skin,Skin Cancers,Skin Neoplasm

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