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Wang Q, Morris RJ, Bode AM, Zhang T. Prostaglandin Pathways: Opportunities for Cancer Prevention and Therapy. Cancer Res 2021; 82:949-965. [PMID: 34949672 DOI: 10.1158/0008-5472.can-21-2297] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 10/27/2021] [Accepted: 12/17/2021] [Indexed: 11/16/2022]
Abstract
Because of profound effects observed in carcinogenesis, prostaglandins (PGs), prostaglandin-endoperoxide synthases, and PG receptors are implicated in cancer development and progression. Understanding the molecular mechanisms of PG actions has potential clinical relevance for cancer prevention and therapy. This review focuses on the current status of PG signaling pathways in modulating cancer progression and aims to provide insights into the mechanistic actions of PGs and their receptors in influencing tumor progression. We also examine several small molecules identified as having anticancer activity that target prostaglandin receptors. The literature suggests that targeting PG pathways could provide opportunities for cancer prevention and therapy.
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Affiliation(s)
- Qiushi Wang
- The Hormel Institute, University of Minnesota
| | | | - Ann M Bode
- The Hormel Institute, University of Minnesota
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Okuno T, Yokomizo T. Metabolism and biological functions of 12(S)-hydroxyheptadeca-5Z,8E,10E-trienoic acid. Prostaglandins Other Lipid Mediat 2021; 152:106502. [PMID: 33075476 DOI: 10.1016/j.prostaglandins.2020.106502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 09/21/2020] [Accepted: 10/08/2020] [Indexed: 11/23/2022]
Abstract
12(S)-hydroxyheptadeca-5Z,8E,10E-trienoic acid (12-HHT) is a 17-carbon hydroxy fatty acid that is biosynthesized either by enzymatic pathways, like thromboxane synthase (TXAS) and cytochrome P450 or a non-enzymatic pathway. TXAS catalyzes the isomerization reaction from PGH2 to 12-HHT, malondialdehyde, and TXA2 at a ratio of 1:1:1. Furthermore, 12-HHT has been considered as a mere byproduct of TXA2 biosynthesis, and its biological function has long been uncertain. BLT2 was initially identified as a low-affinity leukotriene B4 (LTB4) receptor, which is also activated by various hydroxy-eicosatetraenoic acids (HETEs), suggesting that BLT2 may be activated by other endogenous ligands apart from LTB4 and HETEs. By unbiased ligand screening using crude lipids from rat organs, 12-HHT has been identified as an endogenous agonist for BLT2. The 12-HHT-BLT2 axis induces mast cell migration and contributes to allergic inflammation. BLT2 is also expressed in epithelial cells of the small intestine and skin in mice and contributes to in vivo epithelial barrier functions.
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Affiliation(s)
- Toshiaki Okuno
- Department of Biochemistry, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - Takehiko Yokomizo
- Department of Biochemistry, Juntendo University Graduate School of Medicine, Tokyo, Japan
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Digiacomo G, Ziche M, Dello Sbarba P, Donnini S, Rovida E. Prostaglandin E2 transactivates the colony‐stimulating factor‐1 receptor and synergizes with colony‐stimulating factor‐1 in the induction of macrophage migration
via
the mitogen‐activated protein kinase ERK1/2. FASEB J 2015; 29:2545-54. [DOI: 10.1096/fj.14-258939] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Accepted: 02/17/2015] [Indexed: 11/11/2022]
Affiliation(s)
- Graziana Digiacomo
- Dipartimento di Scienze Biomediche Sperimentali e Cliniche “Mario Serio”Università degli Studi di FirenzeFlorenceItaly
- Istituto Toscano TumoriFlorenceItaly
| | - Marina Ziche
- Dipartimento di Scienze della VitaUniversità degli Studi di SienaSienaItaly
- Istituto Toscano TumoriFlorenceItaly
| | - Persio Dello Sbarba
- Dipartimento di Scienze Biomediche Sperimentali e Cliniche “Mario Serio”Università degli Studi di FirenzeFlorenceItaly
- Istituto Toscano TumoriFlorenceItaly
| | - Sandra Donnini
- Dipartimento di Scienze della VitaUniversità degli Studi di SienaSienaItaly
- Istituto Toscano TumoriFlorenceItaly
| | - Elisabetta Rovida
- Dipartimento di Scienze Biomediche Sperimentali e Cliniche “Mario Serio”Università degli Studi di FirenzeFlorenceItaly
- Istituto Toscano TumoriFlorenceItaly
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Reid HM, Wikström K, Kavanagh DJ, Mulvaney EP, Kinsella BT. Interaction of angio-associated migratory cell protein with the TPα and TPβ isoforms of the human thromboxane A2 receptor. Cell Signal 2011; 23:700-17. [DOI: 10.1016/j.cellsig.2010.12.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2010] [Revised: 12/08/2010] [Accepted: 12/12/2010] [Indexed: 11/16/2022]
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Turner EC, Kavanagh DJ, Mulvaney EP, McLean C, Wikström K, Reid HM, Kinsella BT. Identification of an interaction between the TPalpha and TPbeta isoforms of the human thromboxane A2 receptor with protein kinase C-related kinase (PRK) 1: implications for prostate cancer. J Biol Chem 2011; 286:15440-57. [PMID: 21357687 DOI: 10.1074/jbc.m110.181180] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
In humans, thromboxane (TX) A(2) signals through the TPα and TPβ isoforms of the TXA(2) receptor or TP. Here, the RhoA effector protein kinase C-related kinase (PRK) 1 was identified as an interactant of both TPα and ΤPβ involving common and unique sequences within their respective C-terminal (C)-tail domains and the kinase domain of PRK1 (PRK1(640-942)). Although the interaction with PRK1 is constitutive, agonist activation of TPα/TPβ did not regulate the complex per se but enhanced PRK1 activation leading to phosphorylation of its general substrate histone H1 in vitro. Altered PRK1 and TP expression and signaling are increasingly implicated in certain neoplasms, particularly in androgen-associated prostate carcinomas. Agonist activation of TPα/TPβ led to phosphorylation of histone H3 at Thr(11) (H3 Thr(11)), a previously recognized specific marker of androgen-induced chromatin remodeling, in the prostate LNCaP and PC-3 cell lines but not in primary vascular smooth muscle or endothelial cells. Moreover, this effect was augmented by dihydrotestosterone in androgen-responsive LNCaP but not in nonresponsive PC-3 cells. Furthermore, PRK1 was confirmed to constitutively interact with TPα/TPβ in both LNCaP and PC-3 cells, and targeted disruption of PRK1 impaired TPα/TPβ-mediated H3 Thr(11) phosphorylation in, and cell migration of, both prostate cell types. Collectively, considering the role of TXA(2) as a potent mediator of RhoA signaling, the identification of PRK1 as a bona fide interactant of TPα/TPβ, and leading to H3 Thr(11) phosphorylation to regulate cell migration, has broad functional significance such as within the vasculature and in neoplasms in which both PRK1 and the TPs are increasingly implicated.
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Affiliation(s)
- Elizebeth C Turner
- School of Biomolecular and Biomedical Sciences, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin 4, Ireland
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Huang RY, Li MY, Hsin MKY, Underwood MJ, Ma LT, Mok TSK, Warner TD, Chen GG. 4-Methylnitrosamino-1-3-pyridyl-1-butanone (NNK) promotes lung cancer cell survival by stimulating thromboxane A2 and its receptor. Oncogene 2010; 30:106-16. [PMID: 20818420 DOI: 10.1038/onc.2010.390] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The role of thromboxane A(2) (TxA(2)) in smoking-associated lung cancer is poorly understood. This study was conducted to study the role of TxA(2) in smoking carcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK)-promoted cell survival and growth in human lung cancer cells. We found that NNK increased TxA(2) synthase (TxAS) expression and thromboxane B(2) (TxB(2)) generation in cultured lung cancer cells, the result of which was supported by the increased level of TxAS in lung cancer tissues of smokers. Both TxAS-specific inhibitor furegrelate and TxA(2) receptor antagonist SQ29548 completely blocked NNK-mediated cell survival and growth via inducting apoptosis. TxA(2) receptor agonist U46619 reconstituted a near-full survival and growth response to NNK when TxAS was inhibited, affirming the role of TxA(2) receptor in NNK-mediated cell survival and growth. Suppression of cyclic adenosine monophosphate response element binding protein (CREB) activity by its small interference RNA blocked the effect of NNK. Phosphatidylinositol 3-kinase (PI3K)/Akt and extracellular signal-regulated kinase (ERK) also had a positive role. Altogether, our results have revealed that NNK stimulates TxA(2) synthesis and activates its receptor in lung cancer cells. The increased TxA(2) may then activate CREB through PI3K/Akt and extracellular ERK pathways, thereby contributing to the NNK-promoted survival and growth of lung cancer cells.
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Affiliation(s)
- R-Y Huang
- Department of Surgery, The Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong
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Li X, Tai HH. Activation of thromboxane A(2) receptors induces orphan nuclear receptor Nurr1 expression and stimulates cell proliferation in human lung cancer cells. Carcinogenesis 2009; 30:1606-13. [PMID: 19570744 DOI: 10.1093/carcin/bgp161] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Previous studies implicate that activation of thromboxane A(2) receptor (TP) induced cell proliferation and transformation in several cell lines. We report here that the activation of TP by its agonist, [1S-[1alpha, 2alpha (Z), 3beta (1E, 3S*), 4alpha]]-7-[3-[3-hydroxy-4-(4-iodophenoxy)-1-butenyl]-7-oxabicyclo [2.2.1] hept-2-yl]-5-heptenoic acid (I-BOP), induced Nurr1 expression and stimulated proliferation of human lung cancer cells. Nurr1, an orphan nuclear receptor in the nuclear receptor subfamily 4A subfamily, has been implicated in cell proliferation, differentiation and apoptosis. I-BOP markedly induced Nurr1 messenger RNA and protein levels as compared with other subfamily members, Nur77 and Nor-1. The signaling pathways of I-BOP-induced Nurr1 expression were examined by using various inhibitors of signaling molecules. The induction of Nurr1 expression by I-BOP appeared to be mediated through protein kinase A (PKA)/cAMP response element binding (CREB), protein kinase C and mitogen-activated protein kinase/extracellular signal-regulated kinase pathways and not related to epidermal growth factor receptor and prostaglandin E(2) pathways. Transcriptional activation of Nurr1 gene by I-BOP was further investigated at the promoter level in H157 cells. 5'-Deletion analysis, site-directed mutagenesis and luciferase reporter assay demonstrated that Nurr1 expression was induced by I-BOP in a PKA/CREB-dependent manner. Further studies have revealed that Nurr1 may mediate cyclin D1 expression and I-BOP-induced cell proliferation in H157 cells since small interfering RNA of Nurr1 blocked I-BOP-induced cyclin D1 expression and cell proliferation and also decreased cell growth rate. These results provide strong evidence that Nurr1 plays a significant role in cell proliferation and may mediate TP agonist-induced proliferation in lung cancer cells.
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Affiliation(s)
- Xiuling Li
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536-0082, USA
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Abstract
Eicosanoids, the metabolites of arachidonic acid, have diverse functions in the regulation of cancer including prostate cancer. This review will provide an overview of the roles of eicosanoids and endocannabinoids and their potential as therapeutic targets for prostate cancer treatment.
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Affiliation(s)
- Kasem Nithipatikom
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
| | - William B Campbell
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
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Dubi N, Gheber L, Fishman D, Sekler I, Hershfinkel M. Extracellular zinc and zinc-citrate, acting through a putative zinc-sensing receptor, regulate growth and survival of prostate cancer cells. Carcinogenesis 2008; 29:1692-700. [PMID: 18310092 DOI: 10.1093/carcin/bgn027] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Prostate Zn(2+) concentrations are among the highest in the body, and a marked decrease in the level of this ion is observed in prostate cancer. Extracellular Zn(2+) is known to regulate cell survival and proliferation in numerous tissues. In spite of this, a signaling role for extracellular Zn(2+) in prostate cancer has not been established. In the present study, we demonstrate that prostate metastatic cells are impermeable to Zn(2+), but extracellular Zn(2+) triggers a metabotropic Ca(2+) rise that is also apparent in the presence of citrate. Employing fluorescent imaging, we measured this activity in androgen-insensitive metastatic human cell lines, PC-3 and DU-145, and in mouse prostate tumor TRAMP-1 cells but not in androgen-sensitive LNCaP cells. The Ca(2+) response was inhibited by Galphaq and phospholipase C (PLC) inhibitors as well as by intracellular Ca(2+) store depletion, indicating that it is mediated by a Gq-coupled receptor that activates the inositol phosphate (IP(3)) pathway consistent with the previously identified zinc-sensing receptor (ZnR). Zn(2+)-dependent extracellular signal-regulated kinase and AKT activation, as well as enhanced Zn(2+)-dependent cell growth and survival, were observed in PC-3 cells that exhibit ZnR activity, but not in a ZnR activity-deficient PC-3 subline. Interestingly, application of Zn(2+)-citrate (Zn(2+)Cit), at physiological concentrations, was followed by a profound functional desensitization of extracellular Zn(2+)-dependent signaling and attenuation of Zn(2+)-dependent cell growth. Our results indicate that extracellular Zn(2+) and Zn(2+)Cit, by triggering or desensitizing ZnR activity, distinctly regulate prostate cancer cell growth. Thus, therapeutic strategies based either on Zn(2+) chelation or administration of Zn(2+)Cit may be effective in attenuating prostate tumor growth.
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Affiliation(s)
- Noga Dubi
- Department of Morphology, Zlotowski Center for Neuroscience, Faculty of Health Sciences, Ben-Gurion University, PO Box 653, Beer Sheva 84105, Israel
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