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Pathways Affected by Falcarinol-Type Polyacetylenes and Implications for Their Anti-Inflammatory Function and Potential in Cancer Chemoprevention. Foods 2023; 12:foods12061192. [PMID: 36981118 PMCID: PMC10048309 DOI: 10.3390/foods12061192] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 03/05/2023] [Accepted: 03/08/2023] [Indexed: 03/14/2023] Open
Abstract
Polyacetylene phytochemicals are emerging as potentially responsible for the chemoprotective effects of consuming apiaceous vegetables. There is some evidence suggesting that polyacetylenes (PAs) impact carcinogenesis by influencing a wide variety of signalling pathways, which are important in regulating inflammation, apoptosis, cell cycle regulation, etc. Studies have shown a correlation between human dietary intake of PA-rich vegetables with a reduced risk of inflammation and cancer. PA supplementation can influence cell growth, gene expression and immunological responses, and has been shown to reduce the tumour number in rat and mouse models. Cancer chemoprevention by dietary PAs involves several mechanisms, including effects on inflammatory cytokines, the NF-κB pathway, antioxidant response elements, unfolded protein response (UPR) pathway, growth factor signalling, cell cycle progression and apoptosis. This review summarises the published research on falcarinol-type PA compounds and their mechanisms of action regarding cancer chemoprevention and also identifies some gaps in our current understanding of the health benefits of these PAs.
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2
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Pereira VS, Alves BDCA, Waisberg J, Fonseca F, Gehrke F. Detection of COX-2 in liquid biopsy of patients with prostate cancer. J Clin Pathol 2023; 76:189-193. [PMID: 34782424 DOI: 10.1136/jclinpath-2021-207755] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 09/14/2021] [Indexed: 01/10/2023]
Abstract
AIMS To determine the profile of COX-2 gene expression in patients with prostate cancer attended at the ABC University Health Center outpatient clinic and correlate the results with patients' anatomopathological examinations. Prostate cancer is the sixth most common type of cancer worldwide and the second in Brazil. COX-2 expression is associated with an unfavourable prognosis. METHODS 15.0 mL of peripheral blood were collected from 24 patients and 25 healthy men. RNA extraction was performed using the QIAamp RNA Blood Mini Kit. Complementary DNA synthesis was performed using SuperScript II RNAse Reverse Transcriptase. Quantitative real-time PCR was performed with specific COX-2 oligonucleotides and the endogenous GAPDH gene. RESULTS The mean age of the patients was 69 years old. The Gleason scoring system showed 37.5% of patients with Gleason 6 (slow growth, low risk), 45.8% with Gleason 7 (intermediate risk) and 16.7% with Gleason 8 or 9 (risk of high-grade cancer). The median COX-2 expression in the study group was 0.97, while in the control group it was 0.11 (p<0.045). CONCLUSIONS Patients with prostate cancer showed higher COX-2 expression at diagnosis compared with the control group. Since COX-2 detection associated with prostate-specific antigen dosage shows promise as a biomarker for diagnosis and prognosis in patients with prostate cancer, further research is required to confirm these findings.
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Affiliation(s)
| | | | - Jaques Waisberg
- Programa de Pós-Graduação em Ciência Cirúrgica Interdisciplinar, Universidade Federal de São Paulo, UNIFESP/EPM, São Paulo, Brazil.,Cirurgia, Centro Universitário FMABC, Santo André, Brazil
| | - Fernando Fonseca
- Laboratório de Análises Clínicas, Centro Universitário FMABC, Santo André, Brazil.,Ciências Farmacêuticas, Universidade Federal de São Paulo/UNIFESP, Diadema, Brazil
| | - Flavia Gehrke
- Programa de Pós Graduação em Ciências da Saúde, Iamspe, São Paulo, Brazil .,Patologia, Centro Universitário FMABC, Santo André, Brazil
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3
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Vlaar JM, Borgman A, Kalkhoven E, Westland D, Besselink N, Shale C, Faltas BM, Priestley P, Kuijk E, Cuppen E. Recurrent exon-deleting activating mutations in AHR act as drivers of urinary tract cancer. Sci Rep 2022; 12:10081. [PMID: 35710704 PMCID: PMC9203531 DOI: 10.1038/s41598-022-14256-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 06/03/2022] [Indexed: 11/09/2022] Open
Abstract
Bladder cancer has a high recurrence rate and low survival of advanced stage patients. Few genetic drivers of bladder cancer have thus far been identified. We performed in-depth structural variant analysis on whole-genome sequencing data of 206 metastasized urinary tract cancers. In ~ 10% of the patients, we identified recurrent in-frame deletions of exons 8 and 9 in the aryl hydrocarbon receptor gene (AHRΔe8-9), which codes for a ligand-activated transcription factor. Pan-cancer analyses show that AHRΔe8-9 is highly specific to urinary tract cancer and mutually exclusive with other bladder cancer drivers. The ligand-binding domain of the AHRΔe8-9 protein is disrupted and we show that this results in ligand-independent AHR-pathway activation. In bladder organoids, AHRΔe8-9 induces a transformed phenotype that is characterized by upregulation of AHR target genes, downregulation of differentiation markers and upregulation of genes associated with stemness and urothelial cancer. Furthermore, AHRΔe8-9 expression results in anchorage independent growth of bladder organoids, indicating tumorigenic potential. DNA-binding deficient AHRΔe8-9 fails to induce transformation, suggesting a role for AHR target genes in the acquisition of the oncogenic phenotype. In conclusion, we show that AHRΔe8-9 is a novel driver of urinary tract cancer and that the AHR pathway could be an interesting therapeutic target.
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Affiliation(s)
- Judith M Vlaar
- Center for Molecular Medicine and Oncode Institute, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Anouska Borgman
- Center for Molecular Medicine, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Eric Kalkhoven
- Center for Molecular Medicine, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Denise Westland
- Center for Molecular Medicine and Oncode Institute, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Nicolle Besselink
- Center for Molecular Medicine and Oncode Institute, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Charles Shale
- Hartwig Medical Foundation, Amsterdam, The Netherlands
- Hartwig Medical Foundation Australia, Sydney, NSW, Australia
| | - Bishoy M Faltas
- Department of Medicine and Department of Cell and Developmental Biology, Weill Cornell Medicine, New York, NY, USA
| | - Peter Priestley
- Hartwig Medical Foundation, Amsterdam, The Netherlands
- Hartwig Medical Foundation Australia, Sydney, NSW, Australia
| | - Ewart Kuijk
- Center for Molecular Medicine and Oncode Institute, University Medical Center Utrecht, Utrecht, The Netherlands
- Division of Pediatric Gastroenterology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Edwin Cuppen
- Center for Molecular Medicine and Oncode Institute, University Medical Center Utrecht, Utrecht, The Netherlands.
- Hartwig Medical Foundation, Amsterdam, The Netherlands.
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Gómez-Valenzuela F, Escobar E, Pérez-Tomás R, Montecinos VP. The Inflammatory Profile of the Tumor Microenvironment, Orchestrated by Cyclooxygenase-2, Promotes Epithelial-Mesenchymal Transition. Front Oncol 2021; 11:686792. [PMID: 34178680 PMCID: PMC8222670 DOI: 10.3389/fonc.2021.686792] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Accepted: 05/13/2021] [Indexed: 12/11/2022] Open
Abstract
The tumor microenvironment (TME) corresponds to a complex and dynamic interconnection between the extracellular matrix and malignant cells and their surrounding stroma composed of immune and mesenchymal cells. The TME has constant cellular communication through cytokines that sustain an inflammatory profile, which favors tumor progression, angiogenesis, cell invasion, and metastasis. Although the epithelial-mesenchymal transition (EMT) represents a relevant metastasis-initiating event that promotes an invasive phenotype in malignant epithelial cells, its relationship with the inflammatory profile of the TME is poorly understood. Previous evidence strongly suggests that cyclooxygenase-2 (COX-2) overexpression, a pro-inflammatory enzyme related to chronic unresolved inflammation, is associated with common EMT-signaling pathways. This review article summarizes how COX-2 overexpression, within the context of the TME, orchestrates the EMT process and promotes initial metastatic-related events.
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Affiliation(s)
- Fernán Gómez-Valenzuela
- Department of Hematology-Oncology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Enrico Escobar
- Department of Oral Pathology and Medicine, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Ricardo Pérez-Tomás
- Department of Pathology and Experimental Therapy - Bellvitge, Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain
| | - Viviana P Montecinos
- Department of Hematology-Oncology, Pontificia Universidad Católica de Chile, Santiago, Chile
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5
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Eremeeva NB, Makarova NV, Ignatova DF, Bakharev VV. Study of potential anti-carcinogenic and antioxidant effects of plant extracts. PROCEEDINGS OF UNIVERSITIES. APPLIED CHEMISTRY AND BIOTECHNOLOGY 2021. [DOI: 10.21285/2227-2925-2020-10-4-613-626] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Loomans-Kropp HA, Pinsky P, Umar A. Evaluation of Aspirin Use With Cancer Incidence and Survival Among Older Adults in the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial. JAMA Netw Open 2021; 4:e2032072. [PMID: 33449095 PMCID: PMC7811183 DOI: 10.1001/jamanetworkopen.2020.32072] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
IMPORTANCE Many studies have evaluated the long-term benefits of aspirin use; however, the association of aspirin use with cancer incidence and survival in older individuals remains uncertain. Additional population-based evidence of this association is necessary to better understand any possible protective effects of aspirin in older adults. OBJECTIVE To investigate the association of aspirin use with risk of developing new cancers and site-specific cancer-associated survival in bladder, breast, esophageal, gastric, pancreatic, and uterine cancers. DESIGN, SETTING, AND PARTICIPANTS This cohort study used data from the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial. Participants were aged 65 years or older at baseline (1993-2001) or reached age 65 during follow-up. Data analysis was conducted from January to June 2020. MAIN OUTCOMES AND MEASURES Incidence of and survival from the investigated cancer types. Univariable and multivariable hazard ratios (HRs) and 95% CIs were calculated using Cox proportional hazards regression modeling, adjusting for covariates. Multivariable models for incidence included time-varying covariates. RESULTS A total of 139 896 individuals (mean [SD] age at baseline, 66.4 [2.4] years; 71 884 [51.4%] women; 123 824 [88.5%] non-Hispanic White individuals) were included in the analysis. During the study period, 32 580 incident cancers (1751 [5.4%] bladder, 4552 [14.0%] breast, 332 [1.0%] esophageal, 397 [1.2%] gastric, 878 [2.7%] pancreatic, and 716 [2.2%] uterine cancers) were reported. Aspirin use was not associated with incidence of any of the investigated cancer types among individuals aged 65 years or older. Multivariable regression analysis demonstrated that aspirin use at least 3 times/week was associated with increased survival among patients with bladder (HR, 0.67; 95% CI, 0.51-0.88) and breast (HR, 0.75; 95% CI, 0.59-0.96) cancers but not among those with esophageal, gastric, pancreatic, or uterine cancer. A similar association of any aspirin use with bladder (HR, 0.75; 95% CI, 0.58-0.98) and breast (HR, 0.79; 95% CI, 0.63-0.99) cancer survival was observed. CONCLUSIONS AND RELEVANCE In the current study, any aspirin use and aspirin use at least 3 times/week was associated with improved bladder and breast cancer survival. Associations between aspirin use and incidence of any of the investigated cancers or between aspirin use and esophageal, gastric, pancreatic, or uterine cancer survival were not observed.
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Affiliation(s)
- Holli A. Loomans-Kropp
- Cancer Prevention Fellowship Program, Division of Cancer Prevention, National Cancer Institute, Rockville, Maryland
- Gastrointestinal and Other Cancers Research Group, Division of Cancer Prevention, National Cancer Institute, Rockville, Maryland
| | - Paul Pinsky
- Early Detection Research Branch, Division of Cancer Prevention, National Cancer Institute, Rockville, Maryland
| | - Asad Umar
- Gastrointestinal and Other Cancers Research Group, Division of Cancer Prevention, National Cancer Institute, Rockville, Maryland
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Parvathareddy SK, Siraj AK, Annaiyappanaidu P, Al-Sobhi SS, Al-Dayel F, Al-Kuraya KS. Prognostic Significance of COX-2 Overexpression in BRAF-Mutated Middle Eastern Papillary Thyroid Carcinoma. Int J Mol Sci 2020; 21:ijms21249498. [PMID: 33327467 PMCID: PMC7764962 DOI: 10.3390/ijms21249498] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 11/27/2020] [Accepted: 12/10/2020] [Indexed: 01/05/2023] Open
Abstract
The cyclooxygenase-2 (COX-2)–prostaglandin E2 (PGE2) pathway has been implicated in carcinogenesis, with BRAF mutation shown to promote PGE2 synthesis. This study was conducted to evaluate COX-2 expression in a large cohort of Middle Eastern papillary thyroid carcinoma (PTC), and further evaluate the prognostic significance of COX-2 expression in strata of BRAF mutation status. BRAF mutation analysis was performed using Sanger sequencing, and COX-2 expression was evaluated immunohistochemically using tissue microarray (TMA). COX-2 overexpression, noted in 43.2% (567/1314) of cases, was significantly associated with poor prognostic markers such as extra-thyroidal extension, lymph-node metastasis, and higher tumor stage. COX-2 was also an independent predictor of poor disease-free survival (DFS). Most notably, the association of COX-2 expression with DFS differed by BRAF mutation status. COX-2 overexpression was associated with poor DFS in BRAF-mutant but not BRAF wild-type PTCs, with a multivariate-adjusted hazard ratio of 2.10 (95% CI = 1.52–2.92; p < 0.0001) for COX-2 overexpressed tumors in BRAF-mutant PTC. In conclusion, the current study shows that COX-2 plays a key role in prognosis of PTC patients, especially in BRAF-mutated tumors. Our data suggest the potential therapeutic role of COX-2 inhibition in patients with BRAF-mutated PTC.
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Affiliation(s)
- Sandeep Kumar Parvathareddy
- Human Cancer Genomic Research, Research Center, King Faisal Specialist Hospital and Research Center, P.O. Box 3354, Riyadh 11211, Saudi Arabia; (S.K.P.); (A.K.S.); (P.A.)
| | - Abdul K. Siraj
- Human Cancer Genomic Research, Research Center, King Faisal Specialist Hospital and Research Center, P.O. Box 3354, Riyadh 11211, Saudi Arabia; (S.K.P.); (A.K.S.); (P.A.)
| | - Padmanaban Annaiyappanaidu
- Human Cancer Genomic Research, Research Center, King Faisal Specialist Hospital and Research Center, P.O. Box 3354, Riyadh 11211, Saudi Arabia; (S.K.P.); (A.K.S.); (P.A.)
| | - Saif S. Al-Sobhi
- Department of Surgery, King Faisal Specialist Hospital and Research Center, P.O. Box 3354, Riyadh 11211, Saudi Arabia;
| | - Fouad Al-Dayel
- Department of Pathology, King Faisal Specialist Hospital and Research Centre, P.O. Box 3354, Riyadh 11211, Saudi Arabia;
| | - Khawla S. Al-Kuraya
- Human Cancer Genomic Research, Research Center, King Faisal Specialist Hospital and Research Center, P.O. Box 3354, Riyadh 11211, Saudi Arabia; (S.K.P.); (A.K.S.); (P.A.)
- Correspondence: ; Tel.: +966-1-205-5167
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8
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Chestnut C, Subramaniam D, Dandawate P, Padhye S, Taylor J, Weir S, Anant S. Targeting Major Signaling Pathways of Bladder Cancer with Phytochemicals: A Review. Nutr Cancer 2020; 73:2249-2271. [DOI: 10.1080/01635581.2020.1856895] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Connor Chestnut
- Department of Urology, University of Kansas Medical Center, Kansas City, Kansas, USA
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, Kansas, USA
| | | | - Prasad Dandawate
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Subhash Padhye
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, Kansas, USA
- Interdisciplinary Science and Technology Research Academy, University of Pune, Pune, India
| | - John Taylor
- Department of Urology, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Scott Weir
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Shrikant Anant
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, Kansas, USA
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9
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Lactobacillus acidophilus and Bifidobacterium longum exhibit antiproliferation, anti-angiogenesis of gastric and bladder cancer: Impact of COX2 inhibition. PHARMANUTRITION 2020. [DOI: 10.1016/j.phanu.2020.100219] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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10
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Zhang M, Chen X, Radacsi N. New tricks of old drugs: Repurposing non-chemo drugs and dietary phytochemicals as adjuvants in anti-tumor therapies. J Control Release 2020; 329:96-120. [PMID: 33259852 DOI: 10.1016/j.jconrel.2020.11.047] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/22/2020] [Accepted: 11/24/2020] [Indexed: 12/14/2022]
Abstract
Combination therapy has long been applied to enhance therapeutic effect and deal with the occurrence of multi-drug resistance in cancer treatment. However, the overlapping toxicity of multiple anticancer drugs to healthy tissues and increasing financial burden on patients emerged as major concerns. As promising alternatives to chemo agents, repurposed non-chemo drugs and dietary phytochemicals have been investigated as adjuvants to conventional anti-tumor therapeutics, offering a safe and economic strategy for combination therapy. In this review, we aim to highlight the advances in research about combination therapy using conventional therapeutics and repurposed drugs or phytochemicals for an enhanced anti-tumor efficacy, along with the mechanisms involved in the synergism. Beyond these, we outlined the potential challenges and solutions for clinical translation of the proposed combination therapy, providing a safe and affordable strategy to improve the reach of cancer therapy to low income regions with such new tricks of old drugs.
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Affiliation(s)
- Mei Zhang
- School of Engineering, Institute for Materials and Processes, University of Edinburgh, Robert Stevenson Road, Edinburgh EH9 3FB, United Kingdom; School of Engineering, Institute for Bioengineering, University of Edinburgh, The King's Buildings, Edinburgh EH9 3JL, United Kingdom.
| | - Xianfeng Chen
- School of Engineering, Institute for Bioengineering, University of Edinburgh, The King's Buildings, Edinburgh EH9 3JL, United Kingdom.
| | - Norbert Radacsi
- School of Engineering, Institute for Materials and Processes, University of Edinburgh, Robert Stevenson Road, Edinburgh EH9 3FB, United Kingdom.
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Bioactive C 17 and C 18 Acetylenic Oxylipins from Terrestrial Plants as Potential Lead Compounds for Anticancer Drug Development. Molecules 2020; 25:molecules25112568. [PMID: 32486470 PMCID: PMC7321150 DOI: 10.3390/molecules25112568] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 05/29/2020] [Accepted: 05/29/2020] [Indexed: 02/06/2023] Open
Abstract
Bioactive C17 and C18 acetylenic oxylipins have shown to contribute to the cytotoxic, anti-inflammatory, and potential anticancer properties of terrestrial plants. These acetylenic oxylipins are widely distributed in plants belonging to the families Apiaceae, Araliaceae, and Asteraceae, and have shown to induce cell cycle arrest and/or apoptosis of cancer cells in vitro and to exert a chemopreventive effect on cancer development in vivo. The triple bond functionality of these oxylipins transform them into highly alkylating compounds being reactive to proteins and other biomolecules. This enables them to induce the formation of anti-inflammatory and cytoprotective phase 2 enzymes via activation of the Keap1–Nrf2 signaling pathway, inhibition of proinflammatory peptides and proteins, and/or induction of endoplasmic reticulum stress, which, to some extent, may explain their chemopreventive effects. In addition, these acetylenic oxylipins have shown to act as ligands for the nuclear receptor PPARγ, which play a central role in growth, differentiation, and apoptosis of cancer cells. Bioactive C17 and C18 acetylenic oxylipins appear, therefore, to constitute a group of promising lead compounds for the development of anticancer drugs. In this review, the cytotoxic, anti-inflammatory and anticancer effects of C17 and C18 acetylenic oxylipins from terrestrial plants are presented and their possible mechanisms of action and structural requirements for optimal cytotoxicity are discussed.
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12
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Yoshitake R, Saeki K, Eto S, Shinada M, Nakano R, Sugiya H, Endo Y, Fujita N, Nishimura R, Nakagawa T. Aberrant expression of the COX2/PGE 2 axis is induced by activation of the RAF/MEK/ERK pathway in BRAF V595E canine urothelial carcinoma. Sci Rep 2020; 10:7826. [PMID: 32385388 PMCID: PMC7210937 DOI: 10.1038/s41598-020-64832-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 04/09/2020] [Indexed: 01/03/2023] Open
Abstract
Cancer-promoting inflammation is an important event in cancer development. Canine urothelial carcinoma (cUC) overexpresses prostaglandin E2 (PGE2) and has a unique sensitivity to cyclooxygenase 2 (COX2)-inhibiting therapy. In addition, majority of cUC harbour BRAFV595E mutation. However, mechanisms underlying aberrant PGE2 production in BRAFV595E cUC patients remain unclear. Drug screening revealed that inhibition of RAF/MEK/ERK pathway, p38 and JNK pathway reduced PGE2 production in cUC cells. By pharmacological inhibition of the multiple components in the pathway, activation of the ERK MAPK pathway was shown to mediate overexpression of COX2 and production of PGE2 in BRAFV595E cUC cells. In silico gain-of-function analysis of the BRAF mutation also implicated involvement of mutation in the process. The positive association between ERK activation and COX2 expression was further validated in the clinical patients. Moreover, it was also suggested that p38 and JNK regulates PGE2 production independently of ERK pathway, possibly through COX2-dependent and COX1-/COX2- independent manner, respectively. In conclusion, this study demonstrated that activation of ERK induces production of PGE2 in BRAFV595E cUC cells, which is also independently regulated by p38 and JNK. With its unique vulnerability to COX-targeted therapy, BRAFV595E cUC may serve as a valuable model to study the tumour-promoting inflammation.
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Affiliation(s)
- Ryohei Yoshitake
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Kohei Saeki
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan.
| | - Shotaro Eto
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Masahiro Shinada
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Rei Nakano
- Laboratory of Veterinary Biochemistry, Department of Veterinary Medicine, Nihon University College of Bioresource Sciences, 1866 Kameino, Fujisawa, Kanagawa, 252-0880, Japan
| | - Hiroshi Sugiya
- Laboratory of Veterinary Biochemistry, Department of Veterinary Medicine, Nihon University College of Bioresource Sciences, 1866 Kameino, Fujisawa, Kanagawa, 252-0880, Japan
| | - Yoshifumi Endo
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Naoki Fujita
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Ryohei Nishimura
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Takayuki Nakagawa
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
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13
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Pattern of expression of immune- and stroma-associated genes in blood of mice with experimental B16 melanoma. UKRAINIAN BIOCHEMICAL JOURNAL 2020. [DOI: 10.15407/ubj92.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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14
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Knapp DW, Dhawan D, Ramos-Vara JA, Ratliff TL, Cresswell GM, Utturkar S, Sommer BC, Fulkerson CM, Hahn NM. Naturally-Occurring Invasive Urothelial Carcinoma in Dogs, a Unique Model to Drive Advances in Managing Muscle Invasive Bladder Cancer in Humans. Front Oncol 2020; 9:1493. [PMID: 32039002 PMCID: PMC6985458 DOI: 10.3389/fonc.2019.01493] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 12/11/2019] [Indexed: 12/11/2022] Open
Abstract
There is a great need to improve the outlook for people facing urinary bladder cancer, especially for patients with invasive urothelial carcinoma (InvUC) which is lethal in 50% of cases. Improved outcomes for patients with InvUC could come from advances on several fronts including emerging immunotherapies, targeted therapies, and new drug combinations; selection of patients most likely to respond to a given treatment based on molecular subtypes, immune signatures, and other characteristics; and prevention, early detection, and early intervention. Progress on all of these fronts will require clinically relevant animal models for translational research. The animal model(s) should possess key features that drive success or failure of cancer drugs in humans including tumor heterogeneity, genetic-epigenetic crosstalk, immune cell responsiveness, invasive and metastatic behavior, and molecular subtypes (e.g., luminal, basal). Experimental animal models, while essential in bladder cancer research, do not possess these collective features to accurately predict outcomes in humans. These key features, however, are present in naturally-occurring InvUC in pet dogs. Canine InvUC closely mimics muscle-invasive bladder cancer in humans in cellular and molecular features, molecular subtypes, immune response patterns, biological behavior (sites and frequency of metastasis), and response to therapy. Thus, dogs can offer a highly relevant animal model to complement other models in research for new therapies for bladder cancer. Clinical treatment trials in pet dogs with InvUC are considered a win-win-win scenario; the individual dog benefits from effective treatment, the results are expected to help other dogs, and the findings are expected to translate to better treatment outcomes in humans. In addition, the high breed-associated risk for InvUC in dogs (e.g., 20-fold increased risk in Scottish Terriers) offers an unparalleled opportunity to test new strategies in primary prevention, early detection, and early intervention. This review will provide an overview of canine InvUC, summarize the similarities (and differences) between canine and human InvUC, and provide evidence for the expanding value of this canine model in bladder cancer research.
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Affiliation(s)
- Deborah W Knapp
- Department of Veterinary Clinical Sciences, Purdue University, West Lafayette, IN, United States.,Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN, United States
| | - Deepika Dhawan
- Department of Veterinary Clinical Sciences, Purdue University, West Lafayette, IN, United States
| | - José A Ramos-Vara
- Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN, United States.,Department of Comparative Pathobiology, Purdue University, West Lafayette, IN, United States
| | - Timothy L Ratliff
- Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN, United States.,Department of Comparative Pathobiology, Purdue University, West Lafayette, IN, United States
| | - Gregory M Cresswell
- Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN, United States
| | - Sagar Utturkar
- Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN, United States
| | - Breann C Sommer
- Department of Veterinary Clinical Sciences, Purdue University, West Lafayette, IN, United States
| | - Christopher M Fulkerson
- Department of Veterinary Clinical Sciences, Purdue University, West Lafayette, IN, United States.,Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN, United States
| | - Noah M Hahn
- Department of Oncology and Urology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, United States
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15
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Huang L, Wang C, Xu H, Peng G. Targeting citrate as a novel therapeutic strategy in cancer treatment. Biochim Biophys Acta Rev Cancer 2019; 1873:188332. [PMID: 31751601 DOI: 10.1016/j.bbcan.2019.188332] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 11/14/2019] [Accepted: 11/15/2019] [Indexed: 01/09/2023]
Abstract
An important feature shared by many cancer cells is drastically altered metabolism that is critical for rapid growth and proliferation. The distinctly reprogrammed metabolism in cancer cells makes it possible to manipulate the levels of metabolites for cancer treatment. Citrate is a key metabolite that bridges many important metabolic pathways. Recent studies indicate that manipulating the level of citrate can impact the behaviors of both cancer and immune cells, resulting in induction of cancer cell apoptosis, boosting immune responses, and enhanced cancer immunotherapy. In this review, we discuss the recent developments in this emerging area of targeting citrate in cancer treatment. Specifically, we summarize the molecular basis of altered citrate metabolism in both tumors and immune cells, explore the seemingly conflicted growth promoting and growth inhibiting roles of citrate in various tumors, discuss the use of citrate in the clinic as a novel biomarker for cancer progression and outcomes, and highlight the new development of combining citrate with other therapeutic strategies in cancer therapy. An improved understanding of complex roles of citrate in the suppressive tumor microenvironment should open new avenues for cancer therapy.
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Affiliation(s)
- Lan Huang
- Division of Infectious Diseases, Allergy & Immunology, Department of Internal Medicine, Saint Louis University School of Medicine, Saint Louis, MO 63104, USA; Department of Immunology, Jiangsu University School of Medicine, Zhenjiang 212013, PR China
| | - Cindy Wang
- Division of Infectious Diseases, Allergy & Immunology, Department of Internal Medicine, Saint Louis University School of Medicine, Saint Louis, MO 63104, USA
| | - Huaxi Xu
- Department of Immunology, Jiangsu University School of Medicine, Zhenjiang 212013, PR China
| | - Guangyong Peng
- Division of Infectious Diseases, Allergy & Immunology, Department of Internal Medicine, Saint Louis University School of Medicine, Saint Louis, MO 63104, USA.
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16
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Yukimatsu N, Gi M, Okuno T, Fujioka M, Suzuki S, Kakehashi A, Yanagiba Y, Suda M, Koda S, Nakatani T, Wanibuchi H. Promotion effects of acetoaceto-o-toluidide on N-butyl-N-(4-hydroxybutyl)nitrosamine-induced bladder carcinogenesis in rats. Arch Toxicol 2019; 93:3617-3631. [DOI: 10.1007/s00204-019-02605-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 10/23/2019] [Indexed: 01/19/2023]
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17
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Behling F, Ries V, Skardelly M, Gepfner-Tuma I, Schuhmann M, Ebner FH, Tabatabai G, Bornemann A, Schittenhelm J, Tatagiba M. COX2 expression is associated with proliferation and tumor extension in vestibular schwannoma but is not influenced by acetylsalicylic acid intake. Acta Neuropathol Commun 2019; 7:105. [PMID: 31291992 PMCID: PMC6621994 DOI: 10.1186/s40478-019-0760-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Accepted: 06/26/2019] [Indexed: 01/06/2023] Open
Abstract
Acetylsalicylic acid has been linked to a lower risk for different cancer types, presumably through its inhibitory effect on cyclooxygenase 2. This has also been investigated in vestibular schwannomas with promising results suggesting an antiproliferative effect and recently the intake has been recommended for vestibular schwannomas as a conservative treatment option. We constructed tissue microarrays from paraffin-embedded tissue samples of 1048 vestibular schwannomas and analyzed the expression of cyclooxygenase 2 and the proliferation marker MIB1 (Molecular Immunology Borstel) via immunohistochemistry together with clinical data (age, gender, tumor extension, prior radiotherapy, neurofibromatosis type 2, tumor recurrence, cyclooxygenase 2 responsive medication). Univariate analysis showed that cyclooxygenase 2 expression was increased with age, female gender, prior radiotherapy and larger tumor extension. MIB1 expression was also associated with higher cyclooxygenase 2 expression. Schwannomas of neurofibromatosis type 2 patients had lower cyclooxygenase 2 levels. Use of acetylsalicylic acid, non-steroidal anti-inflammatory drugs, glucocorticoids or other immunosuppressants did not show differences in cyclooxygenase 2 or MIB1 expression. Instead, cyclooxygenase 2 expression increases with tumor extension while MIB1 expression is not associated with tumor size. Overall, cyclooxygenase 2 expression is associated with proliferation but not influenced by regular intake of acetylsalicylic acid or other cyclooxygenase 2-responsive medications. Acetylsalicylic acid intake does not alter cyclooxygenase 2 expression and has no antiproliferative effect in vestibular.
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18
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Grassinger JM, Merz S, Aupperle-Lellbach H, Erhard H, Klopfleisch R. Correlation of BRAF Variant V595E, Breed, Histological Grade and Cyclooxygenase-2 Expression in Canine Transitional Cell Carcinomas. Vet Sci 2019; 6:vetsci6010031. [PMID: 30893857 PMCID: PMC6466154 DOI: 10.3390/vetsci6010031] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 03/11/2019] [Accepted: 03/13/2019] [Indexed: 12/20/2022] Open
Abstract
The presence of BRAF variant V595E, as well as an increased cyclooxygenase-2 (COX-2) expression in canine transitional cell carcinoma (TCC) are well-described in the literature. The aim of the present study was to investigate the correlation between breed (terrier versus non-terrier dogs), histological grade, COX-2 expression, and BRAF mutation in canine TCC. Therefore, transmural TCC biopsies from 65 dogs (15 terriers, 50 non-terriers) were graded histologically into low- and high-grade. Immunohistochemical evaluation of the intensity of COX-2 expression was performed using an immunoreactive score (IRS). Exon 15 of chromosome 16 was examined for the BRAF variant c.1799T>A by TaqMan® SNP assay. TCC was low-grade in 20 cases (one terrier, 19 non-terriers) and high-grade in 45 cases (14 terriers, 31 non-terriers). Contrary to humans, histological grade was not significantly correlated to the intensity of COX-2 expression. BRAF mutation was detected in 11/15 (73%) TCC of terriers and in 18/50 (36%) TCC of non-terriers. Histological grade and BRAF mutation were not correlated significantly (p = 0.2912). Terriers had a considerably higher prevalence of high-grade tumors (p < 0.0001), as well as of BRAF mutation (p ≤ 0.05) compared to non-terriers. In non-terriers, neoplasms with BRAF mutation showed a significantly higher intensity of COX-2 expression than those without BRAF mutation (p ≤ 0.05). In conclusion, in contrast to humans, testing for BRAF mutation in canine TCC is a sensitive diagnostic method especially in terriers (73%) and may be recommended as a screening test. However, evidence of BRAF mutation in canine TCC is not a predictor for the histological grade. Moreover, a positive correlation between histological grade and the intensity of COX-2 expression was not found. Further studies are necessary to clarify the clinical and prognostic relevance of the elevated intensity of COX-2 expression of TCC with BRAF mutation detected in non-terriers.
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Affiliation(s)
| | - Sophie Merz
- Institute of Veterinary Pathology, Freie Universität Berlin, 14163 Berlin, Germany.
| | | | - Hanna Erhard
- Laboklin GmbH & Co. KG, 97688 Bad Kissingen, Germany.
| | - Robert Klopfleisch
- Institute of Veterinary Pathology, Freie Universität Berlin, 14163 Berlin, Germany.
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19
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Dong BW, Zhang WB, Qi SM, Yan CY, Gao J. Transactivation of PTGS2 by PAX5 signaling potentiates cisplatin resistance in muscle-invasive bladder cancer cells. Biochem Biophys Res Commun 2018; 503:2293-2300. [PMID: 29964012 DOI: 10.1016/j.bbrc.2018.06.151] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 06/27/2018] [Indexed: 12/25/2022]
Abstract
Cisplatin (CDDP)-based systematic chemotherapy remains the mainstay of treatment for muscle-invasive bladder cancer (MIBC). However, acquired resistance to CDDP, a multifactorial process governed by an array of signals acting at different levels, is the major problem in BC treatment. Here, we report for the first time that, expression of Paired-box gene 5 (PAX5), a B-cell essential transcription factor, was significantly induced in CDDP-resistant BC tissues and in experimentally-induced CDDP-resistant BC cells. Inhibition of PAX5 expression by shRNA treatment effectively improved CDDP sensitivity in BC cells, whereas overexpression of PAX5 potentiated CDDP resistance through supporting BC cell survival. Mechanistically, using luciferase reporter and chromatin immunoprecipitation assays, we identified prostaglandin-endoperoxide synthase 2 (PTGS2, also called COX2), a potent enzyme responsible for prostanoids formation and inflammatory response, as the direct down-stream target of PAX5. PAX5 exerted its oncogenic function during the pathogenesis of CDDP resistance via stimulation of PTGS2 transcription. These observations collectively suggest that dysregulation of PAX5/PTGS2 cascade plays a causal role in the induction of CDDP resistance and gene silencing approaches targeting this pathway may therefore provide a novel therapeutic strategy for overcoming CDDP resistance in BC.
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Affiliation(s)
- Bing-Wei Dong
- Department of Pathology, Xian Yang Central Hospital, Xian Yang, 712000, China.
| | - Wei-Bo Zhang
- Department of Pathology, Xian Yang Central Hospital, Xian Yang, 712000, China
| | - Shu-Min Qi
- Department of Pathology, Xian Yang Rainbow Hospital, Xian Yang, 712000, China
| | - Chang-You Yan
- Family Planning Service Stations of Health and Family Planning Commission of Chengcheng County, Weinan City, 714000, China
| | - Juan Gao
- Department of Clinical Laboratory, The 1st Affiliated Hospital of Xi'an Medical University, Xi'an, 710077, China
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