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Nguyen NTT, Lee SY. Celecoxib and sulindac sulfide elicit anticancer effects on PIK3CA-mutated head and neck cancer cells through endoplasmic reticulum stress, reactive oxygen species, and mitochondrial dysfunction. Biochem Pharmacol 2024; 224:116221. [PMID: 38641308 DOI: 10.1016/j.bcp.2024.116221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 04/01/2024] [Accepted: 04/16/2024] [Indexed: 04/21/2024]
Abstract
Gain-of-function mutation in the phosphatidylinositol-4,5-bisphosphate 3-kinase (PI3K) catalytic subunit alpha gene (PIK3CA) is a significant factor in head and neck cancer (HNC). Patients with HNC harboring PIK3CA mutations receive therapeutic benefits from the use of non-steroidal anti-inflammatory drugs (NSAIDs). However, the molecular mechanisms underlying these effects remain unknown. Here, we examined the Detroit562 and FaDu cell lines as HNC models with and without a hyperactive PIK3CA mutation (H1047R), respectively, regarding their possible distinct responses to the NSAIDs celecoxib and sulindac sulfide (SUS). Detroit562 cells exhibited relatively high PI3K/Akt pathway-dependent cyclooxygenase-2 (COX-2) expression, associated with cell proliferation. Celecoxib treatment restricted cell proliferation and upregulated endoplasmic reticulum (ER) stress-related markers, including GRP78, C/EBP-homologous protein, activating transcription factor 4, death receptor 5, and reactive oxygen species (ROS). These effects were much stronger in Detroit562 cells than in FaDu cells and were largely COX-2-independent. SUS treatment yielded similar results. Salubrinal (an ER stress inhibitor) and N-acetyl-L-cysteine (a ROS scavenger) prevented NSAID-induced ROS generation and ER stress, respectively, indicating crosstalk between ER and oxidative stress. In addition, celecoxib and/or SUS elevated cleaved caspase-3 levels, Bcl-2-associated X protein/Bcl-2-interacting mediator of cell death expression, and mitochondrial damage, which was more pronounced in Detroit562 than in FaDu cells. Salubrinal and N-acetyl-L-cysteine attenuated celecoxib-induced mitochondrial dysfunction. Collectively, our results suggest that celecoxib and SUS efficiently suppress activating PIK3CA mutation-harboring HNC progression by inducing ER and oxidative stress and mitochondrial dysfunction, leading to apoptotic cell death, further supporting NSAID treatment as a useful strategy for oncogenic PIK3CA-mutated HNC therapy.
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Affiliation(s)
- Nga Thi Thanh Nguyen
- Department of Biomedical Sciences, Ajou University Graduate School of Medicine, Suwon, Gyeonggi, Republic of Korea
| | - Sang Yoon Lee
- Department of Biomedical Sciences, Ajou University Graduate School of Medicine, Suwon, Gyeonggi, Republic of Korea; Institute of Medical Science, Ajou University School of Medicine, Suwon, Gyeonggi, Republic of Korea.
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Itoh H, Yamashita N, Kamijo S, Masuda K, Kato H, Yamaori S. Effects of acidic non-steroidal anti-inflammatory drugs on human cytochrome P450 4A11 activity: Roles of carboxylic acid and a sulfur atom in potent inhibition by sulindac sulfide. Chem Biol Interact 2023; 382:110644. [PMID: 37499995 DOI: 10.1016/j.cbi.2023.110644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 07/18/2023] [Accepted: 07/21/2023] [Indexed: 07/29/2023]
Abstract
Cytochrome P450 4A11 (CYP4A11) has many endogenous and exogenous compounds containing a carboxyl group in their structure as substrates. If drugs with this characteristic potently attenuate the catalytic function of CYP4A11, drug-drug interactions may occur. Acidic non-steroidal anti-inflammatory drugs (NSAIDs) possess a carboxylic acid in their structure. However, it remains unclear whether these drugs inhibit CYP4A11 activity. The present study examined the inhibitory effects of acidic NSAIDs on CYP4A11 activity using human liver microsomes (HLMs) and recombinant CYP4A11. Sulindac sulfide, ibuprofen, and flurbiprofen effectively decreased the luciferin-4A O-demethylase activity of HLMs and recombinant CYP4A11 (inhibition rates of 30-96% at an inhibitor concentration of 100 μM), while salicylic acid, aspirin, diclofenac, mefenamic acid, indomethacin, etodolac, ketoprofen, loxoprofen, S-naproxen, pranoprofen, zaltoprofen, and oxaprozin exhibited weaker inhibitory activity (inhibition rates up to 23%). Among the drugs tested, sulindac sulfide was the most potent inhibitor of CYP4A11 activity. A kinetic analysis of the inhibition of CYP4A11 by sulindac sulfide revealed mixed-type inhibition for HLMs (Ki = 3.38 μM) and recombinant CYP4A11 (Ki = 4.19 μM). Sulindac sulfide is a pharmacologically active metabolite of sulindac (sulfoxide form), which is also oxidized to sulindac sulfone. To elucidate the role of a sulfur atom of sulindac sulfide in the inhibition of CYP4A11, the inhibitory effects of sulindac sulfide and its oxidized forms on CYP4A11 activity were examined. The potency of inhibition against HLMs was greater in the order of sulindac sulfide, sulindac, and sulindac sulfone; IC50 values were 6.16, 52.7, and 71.6 μM, respectively. The present results indicate that sulindac sulfide is a potent inhibitor of CYP4A11. These results and the molecular modeling of CYP4A11 with sulindac sulfide and its oxidized forms suggest that a sulfur atom of sulindac sulfide as well as its carboxylic acid play important roles in the inhibition of CYP4A11.
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Affiliation(s)
- Hisataka Itoh
- Department of Pharmacy, Shinshu University Hospital, 3-1-1 Asahi, Matsumoto, 390-8621, Japan; Department of Biochemical Pharmacology and Toxicology, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Naho Yamashita
- School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Shinobu Kamijo
- Department of Biochemical Pharmacology and Toxicology, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Kazufumi Masuda
- Department of Physical Chemistry, Graduate School of Clinical Pharmacy, Shujitsu University, 1-6-1 Nishigawara, Naka-ku, Okayama, 703-8516, Japan
| | - Hisato Kato
- Department of Physical Chemistry, Graduate School of Clinical Pharmacy, Shujitsu University, 1-6-1 Nishigawara, Naka-ku, Okayama, 703-8516, Japan
| | - Satoshi Yamaori
- Department of Pharmacy, Shinshu University Hospital, 3-1-1 Asahi, Matsumoto, 390-8621, Japan; Department of Biochemical Pharmacology and Toxicology, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto, 390-8621, Japan.
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Liggett JL, Zhang X, Eling TE, Baek SJ. Anti-tumor activity of non-steroidal anti-inflammatory drugs: cyclooxygenase-independent targets. Cancer Lett 2014; 346:217-24. [PMID: 24486220 DOI: 10.1016/j.canlet.2014.01.021] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2013] [Revised: 01/21/2014] [Accepted: 01/22/2014] [Indexed: 12/27/2022]
Abstract
Non-steroidal anti-inflammatory drugs (NSAIDs) are used extensively for analgesic and antipyretic treatments. In addition, NSAIDs reduce the risk and mortality to several cancers. Their mechanisms in anti-tumorigenesis are not fully understood, but both cyclooxygenase (COX)-dependent and -independent pathways play a role. We and others have been interested in elucidating molecular targets of NSAID-induced apoptosis. In this review, we summarize updated literature regarding cellular and molecular targets modulated by NSAIDs. Among those NSAIDs, sulindac sulfide and tolfenamic acid are emphasized in this review because these two drugs have been well investigated for their anti-tumorigenic activity in many different types of cancer.
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Affiliation(s)
- Jason L Liggett
- Department of Biomedical and Diagnostic Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN 37996 USA
| | - Xiaobo Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Thomas E Eling
- Laboratory of Molecular Carcinogenesis, National Institutes of Environmental Health Sciences, NIH, Research Triangle Park, NC 27709, USA
| | - Seung Joon Baek
- Department of Biomedical and Diagnostic Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN 37996 USA.
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