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Novel Tdp1 Inhibitors Based on Adamantane Connected with Monoterpene Moieties via Heterocyclic Fragments. Molecules 2021; 26:molecules26113128. [PMID: 34073771 PMCID: PMC8197275 DOI: 10.3390/molecules26113128] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/14/2021] [Accepted: 05/21/2021] [Indexed: 01/23/2023] Open
Abstract
Tyrosyl-DNA phosphodiesterase 1 (Tdp1) is a promising target for anticancer therapy due to its ability to counter the effects topoisomerase 1 (Top1) poison, such as topotecan, thus, decreasing their efficacy. Compounds containing adamantane and monoterpenoid residues connected via 1,2,4-triazole or 1,3,4-thiadiazole linkers were synthesized and tested against Tdp1. All the derivatives exhibited inhibition at low micromolar or nanomolar concentrations with the most potent inhibitors having IC50 values in the 0.35–0.57 µM range. The cytotoxicity was determined in the HeLa, HCT-116 and SW837 cancer cell lines; moderate CC50 (µM) values were seen from the mid-teens to no effect at 100 µM. Furthermore, citral derivative 20c, α-pinene-derived compounds 20f, 20g and 25c, and the citronellic acid derivative 25b were found to have a sensitizing effect in conjunction with topotecan in the HeLa cervical cancer and colon adenocarcinoma HCT-116 cell lines. The ligands are predicted to bind in the catalytic pocket of Tdp1 and have favorable physicochemical properties for further development as a potential adjunct therapy with Top1 poisons.
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Il'ina I, Morozova E, Korсhagina D, Volсho K, Tolstikova T, Salakhutdinov N. Synthesis and Analgesic Activity of Monoterpenoid Aldehyde-derived Hydro-2H-chromeneols. LETT DRUG DES DISCOV 2019. [DOI: 10.2174/1570180816666181114131220] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Despite a variety of drugs used to stop acute pain, problems related to their
insufficient efficacy and undesirable side effects have remained unresolved. Therefore, the search for
analgesics of new structural types, which combine high activity with low toxicity, is a topical issue.
It is known that a number of compounds with a hydrogenated 2H-chromene skeleton exhibit
significant analgesic activity in in vivo tests.
Methods:
New hydro-2H-chromenols containing monoterpenoid moieties were obtained via one-pot
synthesis by the interaction between para-menthane alcohols and commercially available
monoterpene aldehydes: Citral, hydroxycitronellal, myrtenal, and perillaldehyde. The analgesic
activity of these compounds wаs studied in the acetic acid-induced writhing test and hot plate test.
Results:
The target compounds were characterized using NMR and HR-MS. Most of them exhibited
pronounced analgesic activity.
Conclusion:
Due to high analgesic activity, (2S,4aR,8R,8aR)-2-((E)-2,6-dimethylhepta-1,5-dien-1-
yl)-4,7-dimethyl-3,4,4a,5,8,8a-hexahydro-2H-chromene-4,8-diol is considered as candidate compound
to participate in further research.
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Affiliation(s)
- Irina Il'ina
- N.N. Vorozhtsov Novosibirsk Institute of Organiс Сhemistry, Siberian Branсh, Russian Aсademy of Sсienсes, Lavrentjev Avenue, 9, 630090 Novosibirsk, Russian Federation
| | - Ekaterina Morozova
- N.N. Vorozhtsov Novosibirsk Institute of Organiс Сhemistry, Siberian Branсh, Russian Aсademy of Sсienсes, Lavrentjev Avenue, 9, 630090 Novosibirsk, Russian Federation
| | - Dina Korсhagina
- N.N. Vorozhtsov Novosibirsk Institute of Organiс Сhemistry, Siberian Branсh, Russian Aсademy of Sсienсes, Lavrentjev Avenue, 9, 630090 Novosibirsk, Russian Federation
| | - Konstantin Volсho
- N.N. Vorozhtsov Novosibirsk Institute of Organiс Сhemistry, Siberian Branсh, Russian Aсademy of Sсienсes, Lavrentjev Avenue, 9, 630090 Novosibirsk, Russian Federation
| | - Tat'yana Tolstikova
- N.N. Vorozhtsov Novosibirsk Institute of Organiс Сhemistry, Siberian Branсh, Russian Aсademy of Sсienсes, Lavrentjev Avenue, 9, 630090 Novosibirsk, Russian Federation
| | - Nariman Salakhutdinov
- N.N. Vorozhtsov Novosibirsk Institute of Organiс Сhemistry, Siberian Branсh, Russian Aсademy of Sсienсes, Lavrentjev Avenue, 9, 630090 Novosibirsk, Russian Federation
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Patrusheva OS, Volcho KP, Salakhutdinov NF. Synthesis of oxygen-containing heterocyclic compounds based on monoterpenoids. RUSSIAN CHEMICAL REVIEWS 2018. [DOI: 10.1070/rcr4810] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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