ArticleExperimental and therapeutic medicine2010
The relationship between the molecular structure of natural acetogenins and their inhibitory activities which affect DNA polymerase, DNA topoisomerase and human cancer cell growth.
Article in Experimental and therapeutic medicine, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 5 citations in OpenAlex.
- The Role of Avocados in Complementary and Transitional Feeding.Nutrients · 2016Review
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Acetogenins from the Annonaceous plant are a fatty acid-derived natural product. Chemically synthesized natural acetogenins, such as mucocin (compound 1), jimenezin (compound 2), muconin (compound 4), pyranicin (compound 5) and pyragonicin (compound 6) were investigated. Concomitantly, 19-epi jimenezin (compound 3), 10-epi pyragonicin (compound 7) and a γ-lactone (compound 8), which is estimated to be a biosynthetic precursor of acetogenins, were synthesized and investigated. Compounds 5 and 6 strongly inhibited, and compound 7 moderately inhibited the activities of mammalian DNA polymerases (pols), such as replicative pol α and repair/recombination-related pol β and λ, and also inhibited human DNA topoisomerase (topos) I and II activities. On the other hand, compounds 1-4 and 8 did not influence the activities of any pols and topos. Compound 5 was the strongest inhibitor of the pols and topos tested, and the IC(50) values were 5.0-9.6 μM, respectively. These compounds also suppressed human cancer cell growth with almost the same tendency as the inhibition of pols and topos. Compound 5 was the strongest suppressor of the proliferation of the promyelocytic leukemia cell line, HL-60, in human cancer cell lines tested with an LD(50) value of 9.4 μM, and arrested the cells at G1 phases, indicating that it blocks DNA replication by inhibiting the activity of pols rather than topos. This compound also induced cell apoptosis. The relationship between the three-dimensional molecular structure of acetogenins and these inhibitory activities is discussed. The results suggested that compound 5 is a lead compound of potentially useful cancer chemotherapy agents.
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Registered trials
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