Abstract
The activation of transcription factors nuclear factor-kappa B (NF-κ B) and cyclooxygenase-2 (COX-2) is critical in cancer; they act synergistically in promoting tumor growth, survival, and resistance to chemotherapy. Thus, combined targeting of NF-κ B and COX-2 present an opportunity for synergistic anticancer efficacy. The ester prodrugs of pentacyclic triterpenoids reduced lantadene A (3), B (4), and its congener 22β-hydroxyoleanonic acid (5) with various non steroidal anti-inflammatory drugs (NSAIDs) present a novel approach. The ester prodrugs of 3 and 4 with diclofenac showed promising dual inhibition of NF-κ B and COX-2. The lead prodrugs 14 and 15 exhibited inhibition of inhibitor of nuclear factor-kappa B kinaseβ (IKKβ ) in the single-digit micromolar range and at the same time, prodrugs 14 and 15 showed marked cytotoxicity against A549 lung cancer cell line with IC50s 0.15 and 0.42 µM, respectively. The prodrugs 14 and 15 exhibited stability in the acidic pH and were hydrolyzed readily in the human blood plasma to release the active parent moieties. Thus, we have synthesized novel hybrid compounds to target both NF-κ B and COX-2 via a prodrug approach, leading to promising anticancer candidates.
Keywords: Cyclooxygenase-2, inhibitor of nuclear factor-kappa B kinaseβ , lantadene-non steroidal anti-inflammatory drug conjugates, nuclear factor-kappa B, prodrugs.
Current Topics in Medicinal Chemistry
Title:Novel Dual Inhibitors of Nuclear Factor-Kappa B (NF-κ B) and Cyclooxygenase- 2 (COX-2): Synthesis, In Vitro Anticancer Activity and Stability Studies of Lantadene–Non Steroidal Anti-inflammatory Drug (NSAID) Conjugates
Volume: 14 Issue: 8
Author(s): Sharad Kumar Suthar, Neetika Sharma, Hong Boon Lee, Khumukcham Nongalleima and Manu Sharma
Affiliation:
Keywords: Cyclooxygenase-2, inhibitor of nuclear factor-kappa B kinaseβ , lantadene-non steroidal anti-inflammatory drug conjugates, nuclear factor-kappa B, prodrugs.
Abstract: The activation of transcription factors nuclear factor-kappa B (NF-κ B) and cyclooxygenase-2 (COX-2) is critical in cancer; they act synergistically in promoting tumor growth, survival, and resistance to chemotherapy. Thus, combined targeting of NF-κ B and COX-2 present an opportunity for synergistic anticancer efficacy. The ester prodrugs of pentacyclic triterpenoids reduced lantadene A (3), B (4), and its congener 22β-hydroxyoleanonic acid (5) with various non steroidal anti-inflammatory drugs (NSAIDs) present a novel approach. The ester prodrugs of 3 and 4 with diclofenac showed promising dual inhibition of NF-κ B and COX-2. The lead prodrugs 14 and 15 exhibited inhibition of inhibitor of nuclear factor-kappa B kinaseβ (IKKβ ) in the single-digit micromolar range and at the same time, prodrugs 14 and 15 showed marked cytotoxicity against A549 lung cancer cell line with IC50s 0.15 and 0.42 µM, respectively. The prodrugs 14 and 15 exhibited stability in the acidic pH and were hydrolyzed readily in the human blood plasma to release the active parent moieties. Thus, we have synthesized novel hybrid compounds to target both NF-κ B and COX-2 via a prodrug approach, leading to promising anticancer candidates.
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Suthar Kumar Sharad, Sharma Neetika, Lee Boon Hong, Nongalleima Khumukcham and Sharma Manu, Novel Dual Inhibitors of Nuclear Factor-Kappa B (NF-κ B) and Cyclooxygenase- 2 (COX-2): Synthesis, In Vitro Anticancer Activity and Stability Studies of Lantadene–Non Steroidal Anti-inflammatory Drug (NSAID) Conjugates, Current Topics in Medicinal Chemistry 2014; 14 (8) . https://dx.doi.org/10.2174/1568026614666140324120503
DOI https://dx.doi.org/10.2174/1568026614666140324120503 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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