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Majima M, Hosono K, Ito Y, Amano H, Nagashima Y, Matsuda Y, Watanabe SI, Nishimura H. A biologically active lipid, thromboxane, as a regulator of angiogenesis and lymphangiogenesis. Biomed Pharmacother 2023; 163:114831. [PMID: 37150029 DOI: 10.1016/j.biopha.2023.114831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 04/13/2023] [Accepted: 04/30/2023] [Indexed: 05/09/2023] Open
Abstract
Thromboxane (TX) and prostaglandins are metabolites of arachidonic acid, a twenty-carbon unsaturated fatty acid, and have a variety of actions that are exerted via specific receptors. Angiogenesis is defined as the formation of new blood vessels from pre-existing vascular beds and is a critical component of pathological conditions, including inflammation and cancer. Lymphatic vessels play crucial roles in the regulation of interstitial fluid, immune surveillance, and the absorption of dietary fat from the intestine; and they are also involved in the pathogenesis of various diseases. Similar to angiogenesis, lymphangiogenesis, the formation of new lymphatic vessels, is a critical component of pathological conditions. The TP-dependent accumulation of platelets in microvessels has been reported to enhance angiogenesis under pathological conditions. Although the roles of some growth factors and cytokines in angiogenesis and lymphangiogenesis have been well characterized, accumulating evidence suggests that TX induces the production of proangiogenic and prolymphangiogenic factors through the activation of adenylate cyclase, and upregulates angiogenesis and lymphangiogenesis under disease conditions. In this review, we discuss the role of TX as a regulator of angiogenesis and lymphangiogenesis, and its emerging importance as a therapeutic target.
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Affiliation(s)
- Masataka Majima
- Department of Medical Therapeutics, Kanagawa Institute of Technology, 1030 Shimo-Ogino, Atsugi, Kanagawa 243-0292, Japan; Department of Pharmacology, Kitasato University School of Medicine and Department of Molecular Pharmacology, Kitasato University Graduate School of Medical Sciences, 1-15-1 Kitasato, Sagamihara, Kanagawa 252-0374, Japan.
| | - Kanako Hosono
- Department of Pharmacology, Kitasato University School of Medicine and Department of Molecular Pharmacology, Kitasato University Graduate School of Medical Sciences, 1-15-1 Kitasato, Sagamihara, Kanagawa 252-0374, Japan
| | - Yoshiya Ito
- Department of Pharmacology, Kitasato University School of Medicine and Department of Molecular Pharmacology, Kitasato University Graduate School of Medical Sciences, 1-15-1 Kitasato, Sagamihara, Kanagawa 252-0374, Japan
| | - Hideki Amano
- Department of Pharmacology, Kitasato University School of Medicine and Department of Molecular Pharmacology, Kitasato University Graduate School of Medical Sciences, 1-15-1 Kitasato, Sagamihara, Kanagawa 252-0374, Japan
| | - Yoshinao Nagashima
- Department of Medical Therapeutics, Kanagawa Institute of Technology, 1030 Shimo-Ogino, Atsugi, Kanagawa 243-0292, Japan; Tokyo Research Laboratories, Kao Corporation, 2-1-3, Bunka, Sumida-ku, Tokyo 131-8501, Japan
| | - Yasuhiro Matsuda
- Department of Life Support Engineering, Kanagawa Institute of Technology, 1030 Shimo-Ogino, Atsugi, Kanagawa 243-0292, Japan
| | - Shin-Ichi Watanabe
- Department of Exercise Physiology and Health Sciences, Kanagawa Institute of Technology, 1030 Shimo-Ogino, Atsugi, Kanagawa 243-0292, Japan
| | - Hironobu Nishimura
- Department of Biological Information, Faculty of Health and Medical Sciences, Kanagawa Institute of Technology, 1030 Shimo-Ogino, Atsugi, Kanagawa 243-0292, Japan
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Zhang A, Zou X, Yang S, Yang H, Ma Z, Li J. Effect of NETs/COX-2 pathway on immune microenvironment and metastasis in gastric cancer. Front Immunol 2023; 14:1177604. [PMID: 37153547 PMCID: PMC10156975 DOI: 10.3389/fimmu.2023.1177604] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 04/10/2023] [Indexed: 05/09/2023] Open
Abstract
Background Neutrophil extracellular traps (NETs) are crucial in the progression of several cancers. The formation of NETs is closely related to reactive oxygen species (ROS), and the granule proteins involved in nucleosome depolymerization under the action of ROS together with the loosened DNA compose the basic structure of NETs. This study aims to investigate the specific mechanisms of NETs promoting gastric cancer metastasis in order to perfect the existing immunotherapy strategies. Methods In this study, the cells and tumor tissues of gastric cancer were detected by immunological experiments, real-time polymerase chain reaction and cytology experiments. Besides, bioinformatics analysis was used to analyze the correlation between cyclooxygenase-2 (COX-2) and the immune microenvironment of gastric cancer, as well as its effect on immunotherapy. Results Examination of clinical specimens showed that NETs were deposited in tumor tissues of patients with gastric cancer and their expression was significantly correlated with tumor staging. Bioinformatics analysis showed that COX-2 was involved in gastric cancer progression and was associated with immune cell infiltration as well as immunotherapy. In vitro experiments, we demonstrated that NETs could activate COX-2 through Toll-like receptor 2 (TLR2) and thus enhance the metastatic ability of gastric cancer cells. In addition, in a liver metastasis model of nude mice we also demonstrated the critical role of NETs and COX-2 in the distant metastasis of gastric cancer. Conclusion NETs can promote gastric cancer metastasis by initiating COX-2 through TLR2, and COX-2 may become a target for gastric cancer immunotherapy.
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Affiliation(s)
- Ange Zhang
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
- The Key Laboratory of Myocardial Ischemia, Ministry of Education, Harbin, China
| | - Xiaoming Zou
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
- *Correspondence: Xiaoming Zou,
| | - Shifeng Yang
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
- The Key Laboratory of Myocardial Ischemia, Ministry of Education, Harbin, China
| | - Hao Yang
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
- The Key Laboratory of Myocardial Ischemia, Ministry of Education, Harbin, China
| | - Zhen Ma
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
- The Key Laboratory of Myocardial Ischemia, Ministry of Education, Harbin, China
| | - Jiacheng Li
- Department of General Surgery, The First Affiliated Hospital of Jiamusi University, Jiamusi, Heilongjiang, China
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Yoshimatsu Y, Watabe T. Emerging roles of inflammation-mediated endothelial–mesenchymal transition in health and disease. Inflamm Regen 2022; 42:9. [PMID: 35130955 PMCID: PMC8818500 DOI: 10.1186/s41232-021-00186-3] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 11/09/2021] [Indexed: 12/24/2022] Open
Abstract
Endothelial–mesenchymal transition (EndoMT), a cellular differentiation process in which endothelial cells (ECs) lose their properties and differentiate into mesenchymal cells, has been observed not only during development but also in various pathological states in adults, including cancer progression and organ/tissue fibrosis. Transforming growth factor-β (TGF-β), an inflammation-related cytokine, has been shown to play central roles in the induction of EndoMT. TGF-β induces EndoMT by regulating the expression of various transcription factors, signaling molecules, and cellular components that confer ECs with mesenchymal characteristics. However, TGF-β by itself is not necessarily sufficient to induce EndoMT to promote the progression of EndoMT-related diseases to a refractory extent. In addition to TGF-β, additional activation by other inflammatory factors is often required to stabilize the progression of EndoMT. Since recent lines of evidence indicate that inflammatory signaling molecules act as enhancers of EndoMT, we summarize the roles of inflammatory factors in the induction of EndoMT and related diseases. We hope that this review will help to develop therapeutic strategies for EndoMT-related diseases by targeting inflammation-mediated EndoMT.
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Tan CP, Sinigaglia L, Gomez V, Nicholls J, Habib NA. RNA Activation-A Novel Approach to Therapeutically Upregulate Gene Transcription. Molecules 2021; 26:molecules26216530. [PMID: 34770939 PMCID: PMC8586927 DOI: 10.3390/molecules26216530] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/23/2021] [Accepted: 10/26/2021] [Indexed: 12/12/2022] Open
Abstract
RNA activation (RNAa) is a mechanism whereby RNA oligos complementary to genomic sequences around the promoter region of genes increase the transcription output of their target gene. Small activating RNA (saRNA) mediate RNAa through interaction with protein co-factors to facilitate RNA polymerase II activity and nucleosome remodeling. As saRNA are small, versatile and safe, they represent a new class of therapeutics that can rescue the downregulation of critical genes in disease settings. This review highlights our current understanding of saRNA biology and describes various examples of how saRNA are successfully used to treat various oncological, neurological and monogenic diseases. MTL-CEBPA, a first-in-class compound that reverses CEBPA downregulation in oncogenic processes using CEBPA-51 saRNA has entered clinical trial for the treatment of hepatocellular carcinoma (HCC). Preclinical models demonstrate that MTL-CEBPA reverses the immunosuppressive effects of myeloid cells and allows for the synergistic enhancement of other anticancer drugs. Encouraging results led to the initiation of a clinical trial combining MTL-CEBPA with a PD-1 inhibitor for treatment of solid tumors.
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Affiliation(s)
- Choon Ping Tan
- MiNA Therapeutics Ltd., Translation & Innovation Hub, 84 Wood Lane, London W12 0BZ, UK; (C.P.T.); (L.S.); (V.G.); (J.N.)
| | - Laura Sinigaglia
- MiNA Therapeutics Ltd., Translation & Innovation Hub, 84 Wood Lane, London W12 0BZ, UK; (C.P.T.); (L.S.); (V.G.); (J.N.)
| | - Valentí Gomez
- MiNA Therapeutics Ltd., Translation & Innovation Hub, 84 Wood Lane, London W12 0BZ, UK; (C.P.T.); (L.S.); (V.G.); (J.N.)
| | - Joanna Nicholls
- MiNA Therapeutics Ltd., Translation & Innovation Hub, 84 Wood Lane, London W12 0BZ, UK; (C.P.T.); (L.S.); (V.G.); (J.N.)
- Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital, London W12 0NN, UK
| | - Nagy A. Habib
- MiNA Therapeutics Ltd., Translation & Innovation Hub, 84 Wood Lane, London W12 0BZ, UK; (C.P.T.); (L.S.); (V.G.); (J.N.)
- Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital, London W12 0NN, UK
- Correspondence: ; Tel.: +44-(0)20-3313-8574
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Biologically active lipids in the regulation of lymphangiogenesis in disease states. Pharmacol Ther 2021; 232:108011. [PMID: 34614423 DOI: 10.1016/j.pharmthera.2021.108011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/31/2021] [Accepted: 09/01/2021] [Indexed: 02/06/2023]
Abstract
Lymphatic vessels have crucial roles in the regulation of interstitial fluids, immune surveillance, and the absorption of dietary fat in the intestine. Lymphatic function is also closely related to the pathogenesis of various disease states such as inflammation, lymphedema, endometriosis, liver dysfunction, and tumor metastasis. Lymphangiogenesis, the formation of new lymphatic vessels from pre-existing lymphatic vessels, is a critical determinant in the above conditions. Although the effect of growth factors on lymphangiogenesis is well-characterized, and biologically active lipids are known to affect smooth muscle contractility and vasoaction, there is accumulating evidence that biologically active lipids are also important inducers of growth factors and cytokines that regulate lymphangiogenesis. This review discusses recent advances in our understanding of biologically active lipids, including arachidonic acid metabolites, sphingosine 1-phosphate, and lysophosphatidic acid, as regulators of lymphangiogenesis, and the emerging importance of the lymphangiogenesis as a therapeutic target.
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Li M, Zheng Y, Deng S, Yu T, Ma Y, Ge J, Li J, Li X, Ma L. Potential therapeutic effects and applications of Eucommiae Folium in secondary hypertension. J Pharm Anal 2021; 12:711-718. [PMID: 36320603 PMCID: PMC9615539 DOI: 10.1016/j.jpha.2021.10.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 10/12/2021] [Accepted: 10/20/2021] [Indexed: 11/27/2022] Open
Abstract
Eucommiae Folium (EF), a traditional Chinese medicine, has been used to treat secondary hypertension, including renal hypertension and salt-sensitive hypertension, as well as hypertension caused by thoracic aortic endothelial dysfunction, a high-fat diet, and oxidized low-density lipoprotein. The antihypertensive components of EF are divided into four categories: flavonoids, iridoids, lignans, and phenylpropanoids, such as chlorogenic acid, geniposide acid and pinoresinol diglucoside. EF regulates the occurrence and development of hypertension by regulating biological processes, such as inhibiting inflammation, regulating the nitric oxide synthase pathway, reducing oxidative stress levels, regulating endothelial vasoactive factors, and lowering blood pressure. However, its molecular antihypertensive mechanisms are still unclear and require further investigation. In this review, by consulting the relevant literature on the antihypertensive effects of EF and using network pharmacology, we summarized the active ingredients and pharmacological mechanisms of EF in the treatment of hypertension to clarify how EF is associated with secondary hypertension, the related components, and underlying mechanisms. The results of the network pharmacology analysis indicated that EF treats hypertension through a multi-component, multi-target and multi-pathway mechanism. In particular, we discussed the role of EF targets in the treatment of hypertension, including epithelial sodium channel, heat shock protein70, rho-associated protein kinase 1, catalase, and superoxide dismutase. The relevant signal transduction pathways, the ras homolog family member A (RhoA)/Rho-associated protein kinase (ROCK) and nicotinamide adenine dinucleotide phosphate (NADPH) oxidase/eNOS/NO/Ca2+ pathways, are also discussed. Eucommiae Folium (EF) treats secondary hypertension via the RhoA/ROCK1 and NO/sGC/cGMP pathways. EF inhibits oxidative stress and improves endothelial dysfunction to treat hypertension. EF's antihypertensive components are phenylpropanoids, flavonoids, lignans, iridoids. KEGG analysis showed EF treated hypertension through the MAPK and TNF signaling pathways.
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Wilkie KP, Aktar F. Mathematically modelling inflammation as a promoter of tumour growth. MATHEMATICAL MEDICINE AND BIOLOGY-A JOURNAL OF THE IMA 2021; 37:491-514. [PMID: 32430508 DOI: 10.1093/imammb/dqaa005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 03/19/2020] [Accepted: 03/25/2020] [Indexed: 12/23/2022]
Abstract
Inflammation is now known to play a significant role in tumour growth and progression. It is also difficult to adequately quantify systemic inflammation and the resulting localized effects in cancer. Here, we use experimental data to infer the possible contributions of inflammation in a mouse model of cancer. The model is validated by predicting tumour growth under anti-inflammatory treatments, and combination cancer therapies are explored. We then extend the model to consider simultaneous tumour implants at two distinct sites, which experimentally was shown to result in one large and one small tumour. We use this model to examine the role inflammation may play in the growth rate separation. Finally, we use this predictive two-tumour model to explore implications of inflammation on metastases, surgical removal of the primary and adjuvant anti-inflammatory treatments. This work suggests that improved tumour control can be obtained by targeting both the cancer and host, through anti-inflammatory treatments, including reduced metastatic burden post-surgical removal of primary tumours.
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Affiliation(s)
- Kathleen P Wilkie
- Department of Mathematics, Ryerson University, Toronto, Ontario, Canada
| | - Farjana Aktar
- Department of Mathematics, Ryerson University, Toronto, Ontario, Canada
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Zhang C, Chen W, Zhang T, Jiang X, Hu Y. Hybrid nanoparticle composites applied to photodynamic therapy: strategies and applications. J Mater Chem B 2021; 8:4726-4737. [PMID: 32104868 DOI: 10.1039/d0tb00093k] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Photodynamic therapy (PDT), as a robust strategy, has long been applied to cancer treatment owing to the meaningful breakthroughs and unique advantages, including ignorable invasiveness and spatio-temporal selectivity. Numerous PDT agents, especially hybrid nanoparticle composite (hybrid)-based sensitizers consisting of an organic polymer and inorganic nanoparticles (NPs), feature the synergetic pros of the components, which have unlocked the additional potentials of PDT. Although reviews relating to the applications of hybrids to PDT have been previously reported, most of them only focus on the designs of smart hybrids integrating multimodal imaging-guided multiple treatment modalities. Traditional PDT treatment has several limitations, such as inadequate PDT agents accumulating in cancer tissues, inferior PDT effect due to the devastating cancer hypoxia environment, relevant systemic toxicity in non-intelligent stimulation response treatment systems, and serious dependence of PDT on external light sources. Many strategies have been developed for overcoming these limitations, including improvement of cancer-homing ability by introducing active targeting groups, remodeling of the cancer hypoxia environment through oxygen regulators, intratumor release of ROS through activatable molecules, and replacement of laser light by X-rays or self-luminescence. This review aims to summarize the most recent advances in designing hybrids for improving the therapeutic efficacy of PDT.
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Affiliation(s)
- Chao Zhang
- Institute of Materials Engineering, College of Engineering and Applied Sciences, Nanjing University, Nanjing, Jiangsu 210093, China. and Shenzhen Research Institute of Nanjing University, Shenzhen, 518057, China
| | - Weizhi Chen
- Department of Polymer Science & Engineering, College of Chemistry & Chemical Engineering, Nanjing University, Nanjing 210093, China.
| | - Taixing Zhang
- Institute of Materials Engineering, College of Engineering and Applied Sciences, Nanjing University, Nanjing, Jiangsu 210093, China.
| | - Xiqun Jiang
- Department of Polymer Science & Engineering, College of Chemistry & Chemical Engineering, Nanjing University, Nanjing 210093, China.
| | - Yong Hu
- Institute of Materials Engineering, College of Engineering and Applied Sciences, Nanjing University, Nanjing, Jiangsu 210093, China. and Shenzhen Research Institute of Nanjing University, Shenzhen, 518057, China
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Prostaglandin E2 Receptor 4 (EP4) as a Therapeutic Target to Impede Breast Cancer-Associated Angiogenesis and Lymphangiogenesis. Cancers (Basel) 2021; 13:cancers13050942. [PMID: 33668160 PMCID: PMC7956318 DOI: 10.3390/cancers13050942] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 02/18/2021] [Accepted: 02/19/2021] [Indexed: 12/11/2022] Open
Abstract
The formation of new blood (angiogenesis) and lymphatic (lymphangiogenesis) vessels are major events associated with most epithelial malignancies, including breast cancer. Angiogenesis is essential for cancer cell survival. Lymphangiogenesis is critical in maintaining tumoral interstitial fluid balance and importing tumor-facilitatory immune cells. Both vascular routes also serve as conduits for cancer metastasis. Intratumoral hypoxia promotes both events by stimulating multiple angiogenic/lymphangiogenic growth factors. Studies on tumor-associated lymphangiogenesis and its exploitation for therapy have received less attention from the research community than those on angiogenesis. Inflammation is a key mediator of both processes, hijacked by many cancers by the aberrant expression of the inflammation-associated enzyme cyclo-oxygenase (COX)-2. In this review, we focus on breast cancer and showed that COX-2 is a major promoter of both events, primarily resulting from the activation of prostaglandin (PG) E receptor EP4 on tumor cells, tumor-infiltrating immune cells, and endothelial cells; and the induction of oncogenic microRNAs. The COX-2/EP4 pathway also promotes additional events in breast cancer progression, such as cancer cell migration, invasion, and the stimulation of stem-like cells. Based on a combination of studies using multiple breast cancer models, we show that EP4 antagonists hold a major promise in breast cancer therapy in combination with other modalities including immune check-point inhibitors.
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Anti-Angiogenic Properties of Ginsenoside Rg3. Molecules 2020; 25:molecules25214905. [PMID: 33113992 PMCID: PMC7660320 DOI: 10.3390/molecules25214905] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 12/12/2022] Open
Abstract
Ginsenoside Rg3 (Rg3) is a member of the ginsenoside family of chemicals extracted from Panax ginseng. Like other ginsenosides, Rg3 has two epimers: 20(S)-ginsenoside Rg3 (SRg3) and 20(R)-ginsenoside Rg3 (RRg3). Rg3 is an intriguing molecule due to its anti-cancer properties. One facet of the anti-cancer properties of Rg3 is the anti-angiogenic action. This review describes the controversies on the effects and effective dose range of Rg3, summarizes the evidence on the efficacy of Rg3 on angiogenesis, and raises the possibility that Rg3 is a prodrug.
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KSHV G-protein coupled receptor vGPCR oncogenic signaling upregulation of Cyclooxygenase-2 expression mediates angiogenesis and tumorigenesis in Kaposi's sarcoma. PLoS Pathog 2020; 16:e1009006. [PMID: 33057440 PMCID: PMC7591070 DOI: 10.1371/journal.ppat.1009006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 10/27/2020] [Accepted: 09/27/2020] [Indexed: 11/19/2022] Open
Abstract
Kaposi's sarcoma-associated herpesvirus (KSHV) vGPCR is a constitutively active G protein-coupled receptor that subverts proliferative and inflammatory signaling pathways to induce cell transformation in Kaposi's sarcoma. Cyclooxygenase-2 (COX-2) is an inflammatory mediator that plays a key regulatory role in the activation of tumor angiogenesis. Using two different transformed mouse models and tumorigenic full KSHV genome-bearing cells, including KSHV-Bac16 based mutant system with a vGPCR deletion, we demostrate that vGPCR upregulates COX-2 expression and activity, signaling through selective MAPK cascades. We show that vGPCR expression triggers signaling pathways that upregulate COX-2 levels due to a dual effect upon both its gene promoter region and, in mature mRNA, the 3'UTR region that control mRNA stability. Both events are mediated by signaling through ERK1/2 MAPK pathway. Inhibition of COX-2 in vGPCR-transformed cells impairs vGPCR-driven angiogenesis and treatment with the COX-2-selective inhibitory drug Celecoxib produces a significant decrease in tumor growth, pointing to COX-2 activity as critical for vGPCR oncogenicity in vivo and indicating that COX-2-mediated angiogenesis could play a role in KS tumorigenesis. These results, along with the overexpression of COX-2 in KS lesions, define COX-2 as a potential target for the prevention and treatment of KSHV-oncogenesis.
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Volpato M, Ingram N, Perry SL, Spencer J, Race AD, Marshall C, Hutchinson JM, Nicolaou A, Loadman PM, Coletta PL, Hull MA. Cyclooxygenase activity mediates colorectal cancer cell resistance to the omega-3 polyunsaturated fatty acid eicosapentaenoic acid. Cancer Chemother Pharmacol 2020; 87:173-184. [PMID: 33040178 PMCID: PMC7870614 DOI: 10.1007/s00280-020-04157-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 09/24/2020] [Indexed: 01/05/2023]
Abstract
Purpose The naturally-occurring omega-3 polyunsaturated fatty acid eicosapentaenoic acid (EPA) is safe, well-tolerated and inexpensive, making it an attractive anti-cancer intervention. However, EPA has only modest anti-colorectal cancer (CRC) activity, when used alone. Both cyclooxygenase (COX) isoforms metabolise EPA and are over-expressed in CRC cells. We investigated whether COX inhibition increases the sensitivity of CRC cells to growth inhibition by EPA. Methods A panel of 18 human and mouse CRC cell lines was used to characterize the differential sensitivity of CRC cells to the growth inhibitory effects of EPA. The effect of CRISPR-Cas9 genetic deletion and pharmacological inhibition of COX-1 and COX-2 on the anti-cancer activity of EPA was determined using in vitro and in vivo models. Results Genetic ablation of both COX isoforms increased sensitivity of CT26 mouse CRC cells to growth inhibition by EPA in vitro and in vivo. The non-selective COX inhibitor aspirin and the selective COX-2 inhibitor celecoxib increased sensitivity of several human and mouse CRC cell lines to EPA in vitro. However, in a MC38 mouse CRC cell tumour model, with dosing that mirrored low-dose aspirin use in humans, thereby producing significant platelet COX-1 inhibition, there was ineffective intra-tumoral COX-2 inhibition by aspirin and no effect on EPA sensitivity of MC38 cell tumours. Conclusion Cyclooxygenase inhibition by non-steroidal anti-inflammatory drugs represents a therapeutic opportunity to augment the modest anti-CRC activity of EPA. However, intra-tumoral COX inhibition is likely to be critical for this drug-nutrient interaction and careful tissue pharmacodynamic profiling is required in subsequent pre-clinical and human studies. Electronic supplementary material The online version of this article (10.1007/s00280-020-04157-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Milene Volpato
- Leeds Institute of Medical Research at St James's, University of Leeds, St James's University Hospital, Leeds, LS9 7TF, UK.
| | - Nicola Ingram
- Leeds Institute of Medical Research at St James's, University of Leeds, St James's University Hospital, Leeds, LS9 7TF, UK
| | - Sarah L Perry
- Leeds Institute of Medical Research at St James's, University of Leeds, St James's University Hospital, Leeds, LS9 7TF, UK
| | - Jade Spencer
- Institute of Cancer Therapeutics, University of Bradford, Bradford, BD7 1DP, UK
| | - Amanda D Race
- Institute of Cancer Therapeutics, University of Bradford, Bradford, BD7 1DP, UK
| | - Catriona Marshall
- Leeds Institute of Medical Research at St James's, University of Leeds, St James's University Hospital, Leeds, LS9 7TF, UK
| | - John M Hutchinson
- Leeds Institute of Medical Research at St James's, University of Leeds, St James's University Hospital, Leeds, LS9 7TF, UK
| | - Anna Nicolaou
- Laboratory for Lipidomics and Lipid Biology, Division of Pharmacy and Optometry, School of Health Sciences, University of Manchester, Manchester, M13 9PT, UK.,Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, M13 9PT, UK
| | - Paul M Loadman
- Institute of Cancer Therapeutics, University of Bradford, Bradford, BD7 1DP, UK
| | - P Louise Coletta
- Leeds Institute of Medical Research at St James's, University of Leeds, St James's University Hospital, Leeds, LS9 7TF, UK
| | - Mark A Hull
- Leeds Institute of Medical Research at St James's, University of Leeds, St James's University Hospital, Leeds, LS9 7TF, UK
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El Joumaa MM, Taleb RI, Rizk S, Borjac JM. Protective effect of Matricaria chamomilla extract against 1,2-dimethylhydrazine-induced colorectal cancer in mice. JOURNAL OF COMPLEMENTARY & INTEGRATIVE MEDICINE 2020; 17:jcim-2019-0143. [PMID: 32229665 DOI: 10.1515/jcim-2019-0143] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 09/29/2019] [Indexed: 12/19/2022]
Abstract
Background Colorectal cancer (CRC) is a major public health problem, with almost 1.8 million newly diagnosed cases and about 881,000 deaths annually. Chamomile (Matricaria chamomilla) is a well-documented medicinal herb that possesses anti-inflammatory and anti-carcinogenic properties. This study aimed to unravel the effect of aqueous chamomile extract against 1,2-dimethylhydrazine(DMH)-induced CRC in mice. Methods Male Balb/c mice received a weekly intraperitoneal injection of DMH (20 mg/kg body weight) for 12 weeks. Chamomile extract (150 mg/kg body weight/5 days/week p.o.) was administered at the initiation and post-initiation stages of carcinogenesis. Polyps count, histopathological analysis, real-time polymerase chain reaction (RT-PCR) analysis of Wnt signaling genes, ELISA of cyclooxygenase-2 (COX-2), and enzyme assay for inducible nitric oxide synthase (iNOS) were performed. Results Chamomile extract modulated the Wnt pathway in colonic tissues, where it significantly downregulated Wnt5a, β-catenin, T cell factor (Tcf4), lymphoid enhancer factor 1 (Lef1), c-Myc and Cyclin D1 expression levels, while it upregulated adenomatous polyposis coli (APC) and glycogen synthase kinase (GSK3β) expression levels. This extract significantly reduced COX-2 levels and iNOS activities. Polyps count and histopathological analysis provided supportive evidence for the biochemical and molecular analyses. Conclusions Chamomile can act as a potent dietary chemopreventive agent against DMH-induced CRC.
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Affiliation(s)
- Manal M El Joumaa
- Department of Biological Sciences, Beirut Arab University, Debbieh, Lebanon
| | - Robin I Taleb
- Department of Natural Sciences, Lebanese American University, Beirut, Lebanon
| | - Sandra Rizk
- Department of Natural Sciences, Lebanese American University, Beirut, Lebanon
| | - Jamilah M Borjac
- Department of Biological Sciences, Beirut Arab University, Debbieh, Lebanon
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14
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Kirubhanand C, Selvaraj J, Rekha UV, Vishnupriya V, Nalini D, Mohan SK, Vijayalakshmi P, Rajalakshmi M, Ponnulakshmi R. Molecular docking data of piperine with Bax, Caspase 3, Cox 2 and Caspase 9. Bioinformation 2020; 16:458-461. [PMID: 32884209 PMCID: PMC7452745 DOI: 10.6026/97320630016458] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 04/19/2020] [Accepted: 05/08/2020] [Indexed: 11/25/2022] Open
Abstract
Several apoptotic signalling proteins such as Bax, Caspase 3, Cox 2 and Caspase 9 are known to be associated with colorectal cancer (CRC). It is of interest to study the interaction
of these proteins with piperine a known drug candidate. We document the binding energy, hydrogen bond interaction and hydrophobic interaction between the piperine and apoptotic proteins
for further consideration.
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Affiliation(s)
| | - Jayaraman Selvaraj
- Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai - 600 077, India
| | - Umapathy Vidhya Rekha
- Department of Public Health Dentistry, Sree Balaji Dental College and Hospital, Pallikaranai, Chennai-600 100, India
| | - Veeraraghavan Vishnupriya
- Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai - 600 077, India
| | - Devarajan Nalini
- Central Research Laboratory, Meenakshmi Ammal Dental College, Meenakshi Academy of Higher Education and Research (Deemed to be University), Chennai-600 095, India
| | - Surapaneni Krishna Mohan
- Panimalar Medical College Hospital and Research Institute, Varadharajapuram, Poonamallee, Chennai-600 123, Tamil Nadu, India
| | - Periyasamy Vijayalakshmi
- DBT-BIF Centre, PG and Research Department of Biotechnology and Bioinformatics, Holy Cross College (Autonomous), Trichy, Tamilnadu, India
| | - Manikkam Rajalakshmi
- DBT-BIF Centre, PG and Research Department of Biotechnology and Bioinformatics, Holy Cross College (Autonomous), Trichy, Tamilnadu, India
| | - Rajagopal Ponnulakshmi
- Central Research Laboratory, Meenakshi Academy of Higher Education and Research (Deemed to be University), West K. K. Nagar, Chennai-600 078, India
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15
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Over-expression of cyclo-oxygenase-2 predicts poor survival of patients with nasopharyngeal carcinoma: a meta-analysis. The Journal of Laryngology & Otology 2020; 134:338-343. [PMID: 32172705 DOI: 10.1017/s0022215120000614] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVES The conclusive prognostic significance of cyclo-oxygenase-2 has been determined in various cancers but not in nasopharyngeal carcinoma. Therefore, this study aimed to evaluate the relationship of cyclo-oxygenase-2 expression with the survival outcome and treatment response of nasopharyngeal carcinoma patients via a systematic meta-analysis approach. METHODS A meta-analysis was conducted in compliance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses ('PRISMA') checklist. The primary clinical characteristics of patients, and hazard ratios with 95 per cent confidence intervals of overall survival data, were tabulated from eligible studies. The relationship of cyclo-oxygenase-2 expression with survival outcome (expressed as hazard ratio) and treatment response (expressed as odds ratio) in nasopharyngeal carcinoma patients was analysed, and explained with the aid of forest plot charts. RESULTS AND CONCLUSION The pooled hazard ratio for overall survival was 2.02 (95 per cent confidence interval = 1.65-2.47). This indicates that the over-expression of cyclo-oxygenase-2 is significantly associated with the poor survival of nasopharyngeal carcinoma patients. The pooled odds ratio of 0.98 (95 per cent confidence interval = 0.27-3.49) reveals that over-expression of cyclo-oxygenase-2 was not significantly related to the treatment outcome.
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16
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Sheng J, Sun H, Yu FB, Li B, Zhang Y, Zhu YT. The Role of Cyclooxygenase-2 in Colorectal Cancer. Int J Med Sci 2020; 17:1095-1101. [PMID: 32410839 PMCID: PMC7211146 DOI: 10.7150/ijms.44439] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 04/14/2020] [Indexed: 12/15/2022] Open
Abstract
Colorectal cancer is the third common cancer in this world, accounting for more than 1 million cases each year. However, detailed etiology and mechanism of colorectal cancer have not been fully understood. For example, cyclooxygenase-2 (COX-2) and its product prostaglandin E2 (PGE2) have been closely linked to its occurrence, progression and prognosis. However, the mechanisms on how COX-2 and PGE2-mediate the pathogenesis of colorectal cancer are obscure. In this review, we have summarized recent advances in studies of pathogenesis and control in colorectal cancer to assist further advances in the research for the cure of the cancer. In addition, the knowledge gained may also guide the audiences for reduction of the risk and control of this deadly disease.
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Affiliation(s)
- Juan Sheng
- Department of Gastroenterology, the Second People's Hospital of Yunnan Province, Kunming, Yunnan 650021, China
| | - Hong Sun
- The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Fu-Bing Yu
- Department of Gastroenterology, the Second People's Hospital of Yunnan Province, Kunming, Yunnan 650021, China
| | - Bo Li
- Department of General Surgery, The Second People's Hospital of Yunnan Province, Kunming, Yunnan 650021, China
| | - Yuan Zhang
- Tissue Tech Inc, Miami, Florida 33032, USA
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Nguyen LH, Goel A, Chung DC. Pathways of Colorectal Carcinogenesis. Gastroenterology 2020; 158:291-302. [PMID: 31622622 PMCID: PMC6981255 DOI: 10.1053/j.gastro.2019.08.059] [Citation(s) in RCA: 211] [Impact Index Per Article: 52.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 08/13/2019] [Accepted: 08/15/2019] [Indexed: 12/15/2022]
Abstract
Colorectal cancer is a heterogeneous disease that develops via stepwise accumulation of well-characterized genetic and epigenetic alterations. We review the genetic changes associated with the development of precancerous colorectal adenomas and their progression to tumors, as well as the effects of defective DNA repair, chromosome instability, microsatellite instability, and alterations in the serrated pathway and DNA methylation. We provide insights into the different molecular subgroups of colorectal tumors that develop via each of these different mechanisms and their associations with patient outcomes.
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Affiliation(s)
- Long H Nguyen
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts; Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Ajay Goel
- Center for Gastrointestinal Research, Center for Translational Genomics and Oncology, Baylor Scott & White Research Institute, Dallas, Texas; Charles A. Sammons Cancer Center, Baylor University Medical Center, Dallas, Texas; Beckman Research Institute, City of Hope Comprehensive Cancer Center, Duarte, California.
| | - Daniel C Chung
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts; Center for Cancer Risk Assessment, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts.
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18
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Jain P, Singh S, Jain M, Ralli M, Sen R. The expression of cyclooxygenase-2 in carcinoma of uterine cervix. CLINICAL CANCER INVESTIGATION JOURNAL 2020. [DOI: 10.4103/ccij.ccij_118_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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19
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COX-2 Signaling in the Tumor Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1277:87-104. [PMID: 33119867 DOI: 10.1007/978-3-030-50224-9_6] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Tumorigenesis is a multistep, complicated process, and many studies have been completed over the last few decades to elucidate this process. Increasingly, many studies have shifted focus toward the critical role of the tumor microenvironment (TME), which consists of cellular players, cell-cell communications, and extracellular matrix (ECM). In the TME, cyclooxygenase-2 (COX-2) has been found to be a key molecule mediating the microenvironment changes. COX-2 is an inducible form of the enzyme that converts arachidonic acid into the signal transduction molecules (thromboxanes and prostaglandins). COX-2 is frequently expressed in many types of cancers and has been closely linked to its occurrence, progression, and prognosis. For example, COX-2 has been shown to (1) regulate tumor cell growth, (2) promote tissue invasion and metastasis, (3) inhibit apoptosis, (4) suppress antitumor immunity, and (5) promote sustainable angiogenesis. In this chapter, we summarize recent advances of studies that have evaluated COX-2 signaling in TME.
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20
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Lai ZZ, Yang HL, Ha SY, Chang KK, Mei J, Zhou WJ, Qiu XM, Wang XQ, Zhu R, Li DJ, Li MQ. Cyclooxygenase-2 in Endometriosis. Int J Biol Sci 2019; 15:2783-2797. [PMID: 31853218 PMCID: PMC6909960 DOI: 10.7150/ijbs.35128] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 07/28/2019] [Indexed: 12/11/2022] Open
Abstract
Endometriosis (EMS) is the most common gynecological disease in women of reproductive age, and it is associated with chronic pelvic pain, dyspareunia and infertility. As a consequence of genetic, immune and environmental factors, endometriotic lesions have high cyclooxygenase (COX)-2 and COX-2-derived prostaglandin E2 (PGE2) biosynthesis compared with the normal endometrium. The transcription of the PTGS2 gene for COX-2 is associated with multiple intracellular signals, which converge to cause the activation of mitogen-activated protein kinases (MAPKs). COX-2 expression can be regulated by several factors, such as estrogen, hypoxia, proinflammatory cytokines, environmental pollutants, metabolites and metabolic enzymes, and platelets. High concentrations of COX-2 lead to high cell proliferation, a low level of apoptosis, high invasion, angiogenesis, EMS-related pain and infertility. COX-2-derived PGE2 performs a crucial function in EMS development by binding to EP2 and EP4 receptors. These basic findings have contributed to COX-2-targeted treatment in EMS, including COX-2 inhibitors, hormone drugs and glycyrrhizin. In this review, we summarize the most recent basic research in detail and provide a short summary of COX-2-targeted treatment.
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Affiliation(s)
- Zhen-Zhen Lai
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Hui-Li Yang
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Si-Yao Ha
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Kai-Kai Chang
- Department of Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200011, People's Republic of China
| | - Jie Mei
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu 210008, People's Republic of China
| | - We-Jie Zhou
- Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai 201204, People's Republic of China
| | - Xue-Min Qiu
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Xiao-Qiu Wang
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Rui Zhu
- Center for Human Reproduction and Genetics, Suzhou Municipal Hospital, Suzhou 215008, People's Republic of China
| | - Da-Jin Li
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Ming-Qing Li
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China.,Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200011, People's Republic of China
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21
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Shokri B, Zarghi A, Shahhoseini S, Mohammadi R, Kobarfard F. Design, synthesis and biological evaluation of peptide-NSAID conjugates for targeted cancer therapy. Arch Pharm (Weinheim) 2019; 352:e1800379. [PMID: 31318093 DOI: 10.1002/ardp.201800379] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Revised: 04/23/2019] [Accepted: 05/01/2019] [Indexed: 02/02/2023]
Abstract
Linear arginine-glycine-aspartic acid (RGD) and asparagine-glycine-arginine (NGR) peptide-nonsteroidal anti-inflammatory drug conjugates were synthesized to evaluate their anticancer effect. Two well-known targeting peptide sequences, RGD and NGR, were conjugated with naproxen and ibuprofen. It is expected that the RGD peptide selectively binds to αv -integrin receptors, which are highly expressed in cancer cells, and that the NGR peptide selectively targets aminopeptidase N (APN/CD13, EC 3.4.11.2), which is overexpressed in blood vessels of tumors. To investigate the impact of possible steric hindrance due to the attachment of the drug to the peptide, a linear six-carbon linker (hexanoic acid) was also used as a spacer. Cytotoxic effects of the synthesized compounds were evaluated against several cancer cell lines, including MCF-7, A2780 (αv β3 positive), OVCAR3 (high αv β3 ), HT-1-80, and SKOV-3 cells (CD13 positive). The NGR conjugate forms of both ibuprofen and naproxen showed better activity against the SKOV-3 tumor cell line. The improved binding of these conjugates to their receptors was confirmed by docking studies.
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Affiliation(s)
- Bahareh Shokri
- Department of Medicinal Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Afshin Zarghi
- Department of Medicinal Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Soraya Shahhoseini
- Department of Medicinal Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Reza Mohammadi
- Department of Medicinal Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farzad Kobarfard
- Department of Medicinal Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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22
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Huang J, Xu Y, Xiao H, Xiao Z, Guo Y, Cheng D, Shuai X. Core-Shell Distinct Nanodrug Showing On-Demand Sequential Drug Release To Act on Multiple Cell Types for Synergistic Anticancer Therapy. ACS NANO 2019; 13:7036-7049. [PMID: 31141661 DOI: 10.1021/acsnano.9b02149] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Among various inflammatory factors/mediators, autocrine and paracrine prostaglandin 2 (PGE2), which are abundant in various tumors, promote the proliferation and chemoresistance of cancer cells. Thus, eliminating the cytoprotective effect of PGE2 may strengthen the antitumor effect of chemotherapy. Chemo/anti-inflammatory combination therapy requires the programmed activities of two different kinds of drugs that critically depend on their spatiotemporal manipulation inside the tumor. Here, a micellar polymeric nanosphere, encapsulating chemotherapeutic paclitaxel (PTX) in the core and conjugating anti-inflammatory celecoxib (CXB) to the shell through a peptide linker (PLGLAG), was developed. The PLGLAG linker was cleavable by the enzyme matrix metalloproteinase-2 (MMP-2) in the tumor tissue, causing CXB release and turning the negatively charged nanosphere into a positively charged one to facilitate PTX delivery into cancer cells. The released CXB not only acted on cyclooxygenase-2 (COX-2) to suppress the production of pro-inflammatory PGE2 in multiple cell types but also suppressed the expression of the anti-apoptotic Bcl-2 gene to sensitize cancer cells to chemotherapy, thus resulting in a synergistic anticancer effect of PTX and CXB. This study represents an example of using a surface charge-switchable nanosphere with on-demand drug release properties to act on multiple cell types for highly effective chemo/anti-inflammatory combination therapy of cancer.
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Affiliation(s)
- Jinsheng Huang
- PCFM Lab of Ministry of Education, School of Materials Science and Engineering , Sun Yat-sen University , Guangzhou 510275 , China
- College of Chemistry and Materials Science , Jinan University , Guangzhou 510632 , China
| | - Yongmin Xu
- PCFM Lab of Ministry of Education, School of Materials Science and Engineering , Sun Yat-sen University , Guangzhou 510275 , China
| | - Hong Xiao
- PCFM Lab of Ministry of Education, School of Materials Science and Engineering , Sun Yat-sen University , Guangzhou 510275 , China
- College of Chemistry and Materials Science , Jinan University , Guangzhou 510632 , China
| | - Zecong Xiao
- PCFM Lab of Ministry of Education, School of Materials Science and Engineering , Sun Yat-sen University , Guangzhou 510275 , China
| | - Yu Guo
- Department of General Surgery , The First Affiliated Hospital of Sun Yat-Sen University , Guangzhou 510275 , China
| | - Du Cheng
- PCFM Lab of Ministry of Education, School of Materials Science and Engineering , Sun Yat-sen University , Guangzhou 510275 , China
| | - Xintao Shuai
- PCFM Lab of Ministry of Education, School of Materials Science and Engineering , Sun Yat-sen University , Guangzhou 510275 , China
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23
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Physiological and pathological levels of prostaglandin E 2 in renal parenchyma and neoplastic renal tissue. Prostaglandins Other Lipid Mediat 2019; 141:11-13. [PMID: 30742910 DOI: 10.1016/j.prostaglandins.2019.02.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 02/06/2019] [Accepted: 02/07/2019] [Indexed: 12/15/2022]
Abstract
Prostaglandin (PG)E2 seems to promote tumor proliferation by regulating cell growth, inhibiting apoptosis, promoting angiogenesis, and suppressing host immune surveillance of cancer cells. The suppression of prostaglandins biosynthesis is thought to be the main molecular mechanism for non-steroidal anti-inflammatory drugs antineoplastic effect. Yet the relationship between PGE2 and human renal cell carcinoma remains unclear. The aim of our study is to evaluate the PGE2 content in human renal parenchyma and Renal Cell Carcinoma. The study was conducted on 20 consecutive patients undergoing radical nephrectomy for Renal Cell Carcinoma. In the normal renal parenchyma and in the neoplastic renal tissue the PGE2 level was 83.43 ± 5.89 pg/mg and 289.67 ± 22.2 pg/mg, respectively (P < 0.0001). There was no relationship between PGE2 content and Renal Cell Carcinoma dimension, Fuhrman grade, pathological-Tumor-Node and Metastasis (pTNM) stage and histological subtype. The PGE2 over-content in neoplastic renal tissue suggests a role of PGE2 in development and progression of renal carcinoma.
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24
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Zhang Y, Kirane A, Huang H, Sorrelle NB, Burrows FJ, Dellinger MT, Brekken RA. Cyclooxygenase-2 Inhibition Potentiates the Efficacy of Vascular Endothelial Growth Factor Blockade and Promotes an Immune Stimulatory Microenvironment in Preclinical Models of Pancreatic Cancer. Mol Cancer Res 2019; 17:348-355. [PMID: 30333153 PMCID: PMC6359969 DOI: 10.1158/1541-7786.mcr-18-0427] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 08/02/2018] [Accepted: 10/11/2018] [Indexed: 12/19/2022]
Abstract
Resistance to standard therapy remains a major challenge in the treatment of pancreatic ductal adenocarcinoma (PDA). Although anti-VEGF therapy delays PDA progression, therapy-induced hypoxia results in a less differentiated mesenchymal-like tumor cell phenotype, which reinforces the need for effective companion therapies. COX-2 inhibition has been shown to promote tumor cell differentiation and improve standard therapy response in PDA. Here, we evaluate the efficacy of COX-2 inhibition and VEGF blockade in preclinical models of PDA. In vivo, the combination therapy was more effective in limiting tumor growth and metastasis than single-agent therapy. Combination therapy also reversed anti-VEGF-induced epithelial-mesenchymal transition and collagen deposition and altered the immune landscape by increasing tumor-associated CD8+ T cells while reducing FoxP3+ T cells and FasL expression on the tumor endothelium. IMPLICATIONS: Together, these findings demonstrate that COX-2 inhibition enhances the efficacy of anti-VEGF therapy by reducing hypoxia-induced epithelial plasticity and promoting an immune landscape that might facilitate immune activation.Visual Overview: http://mcr.aacrjournals.org/content/molcanres/17/2/348/F1.large.jpg.
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Affiliation(s)
- Yuqing Zhang
- Hamon Center for Therapeutic Oncology Research, Division of Surgical Oncology, Department of Surgery, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Amanda Kirane
- Hamon Center for Therapeutic Oncology Research, Division of Surgical Oncology, Department of Surgery, University of Texas Southwestern Medical Center, Dallas, Texas
- Division of Surgical Oncology, Department of Surgery, UC Davis Medical Center, Sacramento, California
| | - Huocong Huang
- Hamon Center for Therapeutic Oncology Research, Division of Surgical Oncology, Department of Surgery, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Noah B Sorrelle
- Hamon Center for Therapeutic Oncology Research, Division of Surgical Oncology, Department of Surgery, University of Texas Southwestern Medical Center, Dallas, Texas
| | | | - Michael T Dellinger
- Hamon Center for Therapeutic Oncology Research, Division of Surgical Oncology, Department of Surgery, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Rolf A Brekken
- Hamon Center for Therapeutic Oncology Research, Division of Surgical Oncology, Department of Surgery, University of Texas Southwestern Medical Center, Dallas, Texas.
- Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, Texas
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25
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Zhang Q, Han X, Chen J, Xie X, Xu J, Zhao Y, Shen J, Hu L, Xu P, Song H, Zhang L, Zhao B, Wang YJ, Xia Z. Yes-associated protein (YAP) and transcriptional coactivator with PDZ-binding motif (TAZ) mediate cell density-dependent proinflammatory responses. J Biol Chem 2018; 293:18071-18085. [PMID: 30315101 DOI: 10.1074/jbc.ra118.004251] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 09/14/2018] [Indexed: 12/21/2022] Open
Abstract
A proper inflammatory response is critical to the restoration of tissue homeostasis after injury or infection, but how such a response is modulated by the physical properties of the cellular and tissue microenvironments is not fully understood. Here, using H358, HeLa, and HEK293T cells, we report that cell density can modulate inflammatory responses through the Hippo signaling pathway. We found that NF-κΒ activation through the proinflammatory cytokines interleukin-1β (IL-1β) and tumor necrosis factor α (TNFα) is not affected by cell density. However, we also noted that specific NF-κΒ target genes, such as cyclooxygenase 2 (COX-2), are induced much less at low cell densities than at high cell densities. Mechanistically, we observed that the transcriptional coactivators Yes-associated protein (YAP) and transcriptional coactivator with PDZ-binding motif (TAZ) are localized to the nucleus, bind to TEA domain transcription factors (TEADs), recruit histone deacetylase 7 (HDAC7) to the promoter region of COX-2, and repress its transcription at low cell density and that high cell density abrogates this YAP/TAZ-mediated transcriptional repression. Of note, IL-1β stimulation promoted cell migration and invasion mainly through COX-2 induction, but YAP inhibited this induction and thus cell migration and invasion. These results suggest that YAP/TAZ-TEAD interactions can repress COX-2 transcription and thereby mediate cell density-dependent modulation of proinflammatory responses. Our findings highlight that the cellular microenvironment significantly influences inflammatory responses via the Hippo pathway.
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Affiliation(s)
- Qiong Zhang
- From the Life Sciences Institute and Innovation Center for Cell Signaling Network, Zhejiang University, Hangzhou, 310058 Zhejiang, China,; Translational Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 Henan, China,; State Key Laboratory for Diagnosis and Treatment of Infectious Diseases and
| | - Xu Han
- From the Life Sciences Institute and Innovation Center for Cell Signaling Network, Zhejiang University, Hangzhou, 310058 Zhejiang, China
| | - Jinfeng Chen
- Translational Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 Henan, China
| | - Xiaomei Xie
- From the Life Sciences Institute and Innovation Center for Cell Signaling Network, Zhejiang University, Hangzhou, 310058 Zhejiang, China,; Youth League Committee of Zhejiang Gongshang University, Hangzhou, 310018 Zhejiang, China, and
| | - Jiafeng Xu
- From the Life Sciences Institute and Innovation Center for Cell Signaling Network, Zhejiang University, Hangzhou, 310058 Zhejiang, China
| | - Yang Zhao
- From the Life Sciences Institute and Innovation Center for Cell Signaling Network, Zhejiang University, Hangzhou, 310058 Zhejiang, China
| | - Jie Shen
- Department of Medical Oncology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003 Zhejiang, China
| | - Lin Hu
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou, 215000 Jiangsu, China
| | - Pinglong Xu
- From the Life Sciences Institute and Innovation Center for Cell Signaling Network, Zhejiang University, Hangzhou, 310058 Zhejiang, China
| | - Hai Song
- From the Life Sciences Institute and Innovation Center for Cell Signaling Network, Zhejiang University, Hangzhou, 310058 Zhejiang, China
| | - Long Zhang
- From the Life Sciences Institute and Innovation Center for Cell Signaling Network, Zhejiang University, Hangzhou, 310058 Zhejiang, China
| | - Bin Zhao
- From the Life Sciences Institute and Innovation Center for Cell Signaling Network, Zhejiang University, Hangzhou, 310058 Zhejiang, China
| | - Ying-Jie Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases and
| | - Zongping Xia
- From the Life Sciences Institute and Innovation Center for Cell Signaling Network, Zhejiang University, Hangzhou, 310058 Zhejiang, China,; Translational Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 Henan, China,.
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26
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Abstract
While normal angiogenesis is critical for development and tissue growth, pathological angiogenesis is important for the growth and spread of cancers by supplying nutrients and oxygen as well as providing a conduit for distant metastasis. The interaction among extracellular matrix molecules, tumor cells, endothelial cells, fibroblasts, and immune cells is critical in pathological angiogenesis, in which various angiogenic growth factors, chemokines, and lipid mediators produced from these cells as well as hypoxic microenvironment promote angiogenesis by regulating expression and/or activity of various related genes. Sphingosine 1-phosphate and lysophosphatidic acid, bioactive lipid mediators which act via specific G protein-coupled receptors, play critical roles in angiogenesis. In addition, other lipid mediators including prostaglandin E2, lipoxin, and resolvins are produced in a stimulus-dependent manner and have pro- or anti-angiogenic effects, presumably through their specific GPCRs. Dysregulated lipid mediator signaling pathways are observed in the contxt of some tumors. This review will focus on LPA and S1P, two bioactive lipid mediators in their regulation of angiogenesis and cell migration that are critical for tumor growth and spread.
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Affiliation(s)
- Yu Hisano
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, United States
| | - Timothy Hla
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, United States.
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Mosallaei M, Simonian M, Ahangari F, Miraghajani M, Mortazavi D, Salehi AR, Khosravi S, Salehi R. Single nucleotide polymorphism rs4648298 in miRNAs hsa-miR21 and hsa-miR590 binding site of COX gene is a strong colorectal cancer determinant. J Gastrointest Oncol 2018; 9:448-457. [PMID: 29998010 DOI: 10.21037/jgo.2017.11.01] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Background Genetic determinants are considered as driving forces in development colorectal cancer (CRC), a malignancy that ranks as the second cause of cancer death in the world. Single nucleotide polymorphisms (SNPs), are considered as the main genetic factor in cancers susceptibility. MicroRNAs are critical players in posttranslational gene regulation by binding to their specific recognition sequences located at 3' untranslated region (UTR) of mRNAs. In present study we have elucidated the role of 9,850 A > G (rs4648298), in development of sporadic CRC in Iranian population. Methods A case-control study using 88 CRC patients and 88 noncancerous counterparts was undertaken in order to determine rs4648298 genotypes using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. Also, a meta-analysis was performed based on 9 articles accessed via the MEDLINE, Cochrane review, Google Scholar and Scopus databases. Results AA genotype was determined to be associated with significant decreased risk of CRC in our study population [odds ratio (OR) =0.14; 95% confidence interval (CI), 0.05-0.34; P<0.001]. In a meta-analysis on 6 risk estimates for the AG versus AA genotype, we found a significant inverse association between AG SNPs and risk of gastric adenocarcinoma, CRC, breast cancer and prostate cancer (OR =0.86; 95% CI, 0.76-0.98; P<0.02). Conclusions Our results suggest significant correlation between rs4648298 polymorphism and CRC risk in Iranian population.
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Affiliation(s)
- Meysam Mosallaei
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Miganoosh Simonian
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Fateme Ahangari
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Maryam Miraghajani
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Deniz Mortazavi
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ahmad Reza Salehi
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sharifeh Khosravi
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Rasoul Salehi
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.,Gerfa Namayesh Azmayesh (GENAZMA) Science & Research Institute, Isfahan, Iran
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Huang Y, Cao S, Zhang Q, Zhang H, Fan Y, Qiu F, Kang N. Biological and pharmacological effects of hexahydrocurcumin, a metabolite of curcumin. Arch Biochem Biophys 2018; 646:31-37. [PMID: 29596797 DOI: 10.1016/j.abb.2018.03.030] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 03/17/2018] [Accepted: 03/24/2018] [Indexed: 11/19/2022]
Abstract
Curcumin, one of the most precious pharmacologically relevant natural products, has gained considerable attention among scientists for decades because of its multi-pharmacological activities in the clinical. However, critical studies on its pharmacological and toxicological activities are needed to understand how this compound can have these biological functions considering its poor oral bioavailability and the low plasma concentration. Moreover, curcumin undergoes extensive and rapid metabolism in vivo, indicating that the pharmacological activity of consuming curcumin might be mediated partly by its metabolites. And as one of the major curcumin metabolites, hexahydrocurcumin (HHC), exhibits similar or more potent bioactivity than curcumin by in vitro and in vivo studies, such as antioxidant, anti-inflammatory, antitumor and cardiovascular protective properties, which may provide important information for us to have a profound comprehension of the effectiveness of curcumin. This review mainly summarizes the current knowledge and underlying molecular mechanisms of the biological activities of HHC and its potential effects on the development of various human diseases.
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Affiliation(s)
- Yiyuan Huang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China; Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China
| | - Shijie Cao
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China
| | - Qiang Zhang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China
| | - Hongyang Zhang
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China
| | - Yuqi Fan
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China; Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China
| | - Feng Qiu
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China
| | - Ning Kang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, PR China.
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Stabile LP, Farooqui M, Kanterewicz B, Abberbock S, Kurland BF, Diergaarde B, Siegfried JM. Preclinical Evidence for Combined Use of Aromatase Inhibitors and NSAIDs as Preventive Agents of Tobacco-Induced Lung Cancer. J Thorac Oncol 2018; 13:399-412. [PMID: 29233790 PMCID: PMC5825271 DOI: 10.1016/j.jtho.2017.11.126] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 11/10/2017] [Accepted: 11/14/2017] [Indexed: 01/13/2023]
Abstract
INTRODUCTION A hormonal role in NSCLC development is well documented. We previously showed that the aromatase inhibitor (AI) anastrozole decreased development of tobacco carcinogen-induced lung tumors in a murine lung cancer prevention model and that aromatase and estrogen receptor were expressed in pulmonary inflammatory cells. METHODS We utilized a tobacco carcinogen-induced lung tumor mouse model by treatment with 4-(methylnitrosoamino)-1-(3-pyridyl)-1-butanone (NNK), to determine whether an AI combined with nonsteroidal anti-inflammatory drugs results in greater lung tumor prevention effects compared to single-agent treatment. RESULTS Combination of anastrozole (0.1 mg/kg/d) with aspirin (25 mg/kg/d) after NNK exposure resulted in significantly fewer and smaller lung tumors than did single-agent treatments and was accompanied by maximum decreases in circulating β-estradiol (E2) and interleukin-6, tumor-infiltrating macrophages, and tumoral Ki67, phospho-mitogen-activated protein kinase, phospho-signal transducer and activator of transcription 3, and interleukin-17A expression. Preneoplasia arising after combination treatment showed the lowest Sox-2 expression, suggesting an inhibitory effect on proliferative capacity in the airways by blocking both E2 and inflammation. Anastrozole combined with ibuprofen instead of aspirin also showed enhanced antitumor effects. Moreover, male mice treated with NNK that received E2 in their drinking water showed greater levels of pulmonary macrophages and inflammatory markers than did the control, confirming an E2 effect on inflammation in the microenvironment. CONCLUSIONS Our results suggest a benefit to joint targeting of the estrogen and inflammatory pathways for NSCLC prevention. Combining AIs with nonsteroidal anti-inflammatory drugs reduces circulating E2, proinflammatory cytokines, and macrophage recruitment in the lung microenvironment after tobacco exposure. This strategy could be particularly effective in women who have underlying pulmonary inflammatory diseases.
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Affiliation(s)
- Laura P Stabile
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania; UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania.
| | - Mariya Farooqui
- Department of Pharmacology, University of Minnesota, Minneapolis, Minnesota
| | | | | | - Brenda F Kurland
- Department of Biostatistics, University of Pittsburgh School of Public Health, Pittsburgh, Pennsylvania
| | - Brenda Diergaarde
- UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania; Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pennsylvania
| | - Jill M Siegfried
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Pharmacology, University of Minnesota, Minneapolis, Minnesota
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Hu S, Chen Q, Lin T, Hong W, Wu W, Wu M, Du X, Jin R. The function of Notch1 intracellular domain in the differentiation of gastric cancer. Oncol Lett 2018; 15:6171-6178. [PMID: 29616098 PMCID: PMC5876425 DOI: 10.3892/ol.2018.8118] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Accepted: 11/29/2017] [Indexed: 12/12/2022] Open
Abstract
Due to the complex function of the Notch signal pathway in gastric cancer (GC), the association between Notch homolog 1 (Notch1) intracellular domain (NICD) and differentiation of GC remains unknown. The present study aimed to investigate the potential association between NICD and GC differentiation, and demonstrated that poorly differentiated GC expressed increased NICD levels compared with well differentiated GC. A γ-secretase inhibitor inhibited the growth of AGS cells through downregulating NICD level. Additional data suggested that a COX-2 inhibitor caused a marked reduction of NICD level in comparison with a control group treated with dimethyl sulfoxide. Combined administration of γ-secretase and COX-2 inhibitor produced a marked inhibition of growth in AGS cells, which suggests that patients with poorly differentiated GC may benefit from the blockage of NICD, which potentially serves a role in GC differentiation.
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Affiliation(s)
- Sunkuan Hu
- Department of Digestive Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China.,Department of Epidemiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Qiuxiang Chen
- Department of Ultrasound, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Tiesu Lin
- Department of Digestive Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China.,Department of Epidemiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Wandong Hong
- Department of Digestive Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Wenzhi Wu
- Department of Digestive Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Ming Wu
- Department of Digestive Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Xiaojing Du
- Department of Digestive Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Rong Jin
- Department of Epidemiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
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Shokri B, Zarghi A, Shahhoseini S, Mohammadi R, Kobarfard F. Design, Synthesis and Biological Evaluation of Ketoprofen Conjugated To RGD/NGR for Targeted Cancer Therapy. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2018; 17:1297-1305. [PMID: 30568688 PMCID: PMC6269559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
It is well known that Arginine-Glycine-Aspartic acid (RGD) and Asparagine-Glycine-Arginine (NGR) peptides preferentially bind to integrin receptors and aminopeptidase N respectively and these two receptors play important roles in angiogenesis. Therefore ketoprofen as a non-selective cox Inhibitor was conjugated with linear RGD and NGR to take advantage of targeting capability of these two motifs and delivering ketoprofen to these cancer cells with overexpression of integrin and aminopeptidase N. In order to investigate the impact of possible steric hindrance due to the attachment of the drug to the peptide, a linear six carbon (hexanoic acid) linker was also used as a spacer. Cytotoxic effect of the synthesized compounds was evaluated against a group of cancer cell lines, including MCF-7, A2780 (αvβ3 positive), OVCAR3 (high αvβ3), HT-1-80 (high CD13) and SKOV-3 (CD13 positive). Both NGR and RGD conjugated forms of ketoprofen showed higher cytotoxic activity against OVCAR3 and HT-1-80 respectively.
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Prognostic Impact of Intra-abdominal/Pelvic Inflammation After Radical Surgery for Locally Recurrent Rectal Cancer. Dis Colon Rectum 2017; 60:827-836. [PMID: 28682968 DOI: 10.1097/dcr.0000000000000853] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND The influence of postoperative infectious complications, such as anastomotic leakage, on survival has been reported for various cancers, including colorectal cancer. However, it remains unclear whether intra-abdominal/pelvic inflammation after radical surgery for locally recurrent rectal cancer is relevant to its prognosis. OBJECTIVE The purpose of this study was to evaluate factors associated with survival after radical surgery for locally recurrent rectal cancer. DESIGN The prospectively collected data of patients were retrospectively evaluated. SETTINGS This study was conducted at a single-institution tertiary care cancer center. PATIENTS Between 1983 and 2012, patients who underwent radical surgery for locally recurrent rectal cancer with curative intent at the National Cancer Center Hospital were reviewed. MAIN OUTCOME MEASURES Factors associated with overall and relapse-free survival were evaluated. RESULTS During the study period, a total of 180 patients were eligible for analyses. Median blood loss and operation time for locally recurrent rectal cancer were 2022 mL and 634 minutes. Five-year overall and 3-year relapse-free survival rates were 38.6% and 26.7%. Age (p = 0.002), initial tumor stage (p = 0.03), pain associated with locally recurrent rectal cancer (p = 0.03), CEA level (p = 0.004), resection margin (p < 0.001), intra-abdominal/pelvic inflammation (p < 0.001), and surgery period (p = 0.045) were independent prognostic factors associated with overall survival, whereas CEA level (p = 0.01), resection margin (p = 0.002), and intra-abdominal/pelvic inflammation (p = 0.001) were associated with relapse-free survival. Intra-abdominal/pelvic inflammation was observed in 45 patients (25.0%). A large amount of perioperative blood loss was the only factor associated with the occurrence of intra-abdominal/pelvic inflammation (p = 0.007). LIMITATIONS This study was limited by its retrospective nature and heterogeneous population. CONCLUSIONS Intra-abdominal/pelvic inflammation after radical surgery for locally recurrent rectal cancer is associated with poor prognosis. See Video Abstract at http://journals.lww.com/dcrjournal/Pages/videogallery.aspx.
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Abstract
Colorectal cancers develop through at least 3 major pathways, including chromosomal instability, mismatch repair, and methylator phenotype. These pathways can coexist in a single individual and occur in both sporadic and inherited colorectal cancers. In spite of the unique molecular and genetic signatures of colorectal cancers, nonspecific chemotherapy based on the antineoplastic effects of 5-fluorouracil is the cornerstone of therapy for stage III and some stage II disease. Techniques to recognize colorectal cancer at the molecular level have facilitated development of new signature drugs designed to inhibit the unique pathways of colorectal cancer growth and immunity.
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34
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Langhammer S, Scheerer J. Breaking the crosstalk of the cellular tumorigenic network: Hypothesis for addressing resistances to targeted therapies in advanced NSCLC. Oncotarget 2017; 8:43555-43570. [PMID: 28402937 PMCID: PMC5522169 DOI: 10.18632/oncotarget.16674] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Accepted: 03/13/2017] [Indexed: 12/26/2022] Open
Abstract
In the light of current treatment developments for non-small cell lung cancer (NSCLC), the idea of a plastic cellular tumorigenic network bound by key paracrine signaling pathways mediating resistances to targeted therapies is brought forward. Based on a review of available preclinical and clinical data in NSCLC combinational approaches to address drivers of this network with marketed drugs are discussed. Five criteria for selecting drug combination regimens aiming at its disruption and thereby overcoming resistances are postulated.
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35
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Fang M, Li Y, Huang K, Qi S, Zhang J, Zgodzinski W, Majewski M, Wallner G, Gozdz S, Macek P, Kowalik A, Pasiarski M, Grywalska E, Vatan L, Nagarsheth N, Li W, Zhao L, Kryczek I, Wang G, Wang Z, Zou W, Wang L. IL33 Promotes Colon Cancer Cell Stemness via JNK Activation and Macrophage Recruitment. Cancer Res 2017; 77:2735-2745. [PMID: 28249897 DOI: 10.1158/0008-5472.can-16-1602] [Citation(s) in RCA: 125] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 07/12/2016] [Accepted: 02/22/2017] [Indexed: 12/11/2022]
Abstract
The expression and biological role of IL33 in colon cancer is poorly understood. In this study, we show that IL33 is expressed by vascular endothelial cells and tumor cells in the human colon cancer microenvironment. Administration of human IL33 and overexpression of murine IL33 enhanced human and murine colon cancer cell growth in vivo, respectively. IL33 stimulated cell sphere formation and prevented chemotherapy-induced tumor apoptosis. Mechanistically, IL33 activated core stem cell genes NANOG, NOTCH3, and OCT3/4 via the ST2 signaling pathway, and induced phosphorylation of c-Jun N terminal kinase (JNK) activation and enhanced binding of c-Jun to the promoters of the core stem cell genes. Moreover, IL33 recruited macrophages into the cancer microenvironment and stimulated them to produce prostaglandin E2, which supported colon cancer stemness and tumor growth. Clinically, tumor IL33 expression associated with poor survival in patients with metastatic colon cancer. Thus, IL33 dually targets tumor cells and macrophages and endows stem-like qualities to colon cancer cells to promote carcinogenesis. Collectively, our work reveals an immune-associated mechanism that extrinsically confers cancer cell stemness properties. Targeting the IL33 signaling pathway may offer an opportunity to treat patients with metastatic cancer. Cancer Res; 77(10); 2735-45. ©2017 AACR.
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Affiliation(s)
- Min Fang
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.,Department of Clinical Laboratory, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yongkui Li
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Kai Huang
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Shanshan Qi
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jian Zhang
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Witold Zgodzinski
- The Second Department of General Surgery, Medical University in Lublin, Lublin, Poland
| | - Marek Majewski
- The Second Department of General Surgery, Medical University in Lublin, Lublin, Poland
| | - Grzegorz Wallner
- The Second Department of General Surgery, Medical University in Lublin, Lublin, Poland
| | | | | | | | | | - Ewelina Grywalska
- Department of Clinical Immunology and Immunotherapy, Medical University in Lublin, Lublin, Poland
| | - Linda Vatan
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Nisha Nagarsheth
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Wei Li
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan.,Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Lili Zhao
- Department of Biostatistics, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Ilona Kryczek
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Guobin Wang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
| | - Zheng Wang
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China. .,Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Weiping Zou
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan.
| | - Lin Wang
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China. .,Department of Clinical Laboratory, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
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Lin Y, Shen LY, Fu H, Dong B, Yang HL, Yan WP, Kang XZ, Dai L, Zhou HT, Yang YB, Liang Z, Chen KN. P21, COX-2, and E-cadherin are potential prognostic factors for esophageal squamous cell carcinoma. Dis Esophagus 2017; 30:1-10. [PMID: 27868288 DOI: 10.1111/dote.12522] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Much research effort has been devoted to identifying prognostic factors for esophageal squamous cell carcinoma (ESCC) by immunohistochemistry; however, no conclusive findings have been reached thus far. We hypothesized that certain molecules identified in previous studies might serve as useful prognostic markers for ESCC. Therefore, the aim of the current study was to validate the most relevant markers showing potential for ESCC prognosis in our prospective esophageal cancer database. A literature search was performed using the PubMed database for papers published between 1980 and 2015 using the following key words: 'esophageal cancer,' 'prognosis,' and 'immunohistochemistry.' Literature selection criteria were established to identify the most widely studied markers, and we further validated the selected markers in a cohort from our single-surgeon team, including 153 esophageal cancer patients treated from 2000 to 2010. A total of 1799 articles were identified, 82 of which met the selection criteria. Twelve markers were found to be the most widely studied, and the validation results indicated that only P21, COX-2, and E-cadherin were independent prognostic factors for ESCC patients in this series. The systemic review and cohort validation suggest that P21, COX-2, and E-cadherin are potential prognostic factors for ESCC, paving the way for more targeted prospective validation in the future.
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Affiliation(s)
- Yao Lin
- Department of Thoracic Surgery I, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
| | - Lu-Yan Shen
- Department of Thoracic Surgery I, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
| | - Hao Fu
- Department of Thoracic Surgery I, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
| | - Bin Dong
- Department of Pathology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
| | - He-Li Yang
- Department of Thoracic Surgery I, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
| | - Wan-Pu Yan
- Department of Thoracic Surgery I, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
| | - Xiao-Zheng Kang
- Department of Thoracic Surgery I, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
| | - Liang Dai
- Department of Thoracic Surgery I, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
| | - Hai-Tao Zhou
- Department of Thoracic Surgery I, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
| | - Yong-Bo Yang
- Department of Thoracic Surgery I, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
| | - Zhen Liang
- Department of Thoracic Surgery I, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
| | - Ke-Neng Chen
- Department of Thoracic Surgery I, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
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DuCLOX-2/5 inhibition: a promising target for cancer chemoprevention. Breast Cancer 2016; 24:180-190. [DOI: 10.1007/s12282-016-0723-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 08/17/2016] [Indexed: 01/26/2023]
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38
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Teema AM, Zaitone SA, Moustafa YM. Ibuprofen or piroxicam protects nigral neurons and delays the development of l-dopa induced dyskinesia in rats with experimental Parkinsonism: Influence on angiogenesis. Neuropharmacology 2016; 107:432-450. [PMID: 27016022 DOI: 10.1016/j.neuropharm.2016.03.034] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Revised: 03/04/2016] [Accepted: 03/22/2016] [Indexed: 12/21/2022]
Abstract
Neuroinflammation and angiogenesis have been involved in the pathogenesis of Parkinson's disease (PD). This study investigated the effect of ibuprofen or piroxicam on the motor response to l-dopa and development of dyskinesia in Parkinsonian rats focusing on the anti-angiogenic role of the two non-steroidal anti-inflammatory drugs (NSAIDs). Rats were divided into nine groups as follows: Group I: the vehicle group, Group II: rotenone group, rats were injected with nine doses of rotenone (1 mg/kg/48 h), group III&IV: rats received rotenone + ibuprofen (10 or 30 mg/kg), Group V-VI: rats received rotenone + piroxicam (1 or 3 mg/kg), Group VII: rats received rotenone + l-dopa/carbidopa (100/10 mg/kg), Group VIII-IX: rats received rotenone + l-dopa/carbidopa + ibuprofen (30 mg/kg) or piroxicam (3 mg/kg). In general, drugs were administered daily for ten weeks. Rotenone-treated rats showed motor dysfunction, lower striatal dopamine, lower staining for nigral tyrosine hydroxylase but higher level of striatal cyclooxygenase-2 (COX-2) and vascular endothelial growth factor (VEGF) compared to vehicle-treated rats (P < 0.05). Treatment with l-dopa showed wearing-off over the course of the experiment in addition to development of abnormal involuntary movements and upregulated striatal VEGF level. Treatment with ibuprofen or piroxicam in combination with l-dopa preserved the effect of l-dopa at the end of week 10, delayed the development of dyskinesia and decreased striatal COX-2 and VEGF levels. In conclusion, the current study suggests that ibuprofen and piroxicam are promising candidates for neuroprotection in PD and may have utility in conjunction with l-dopa in order to ensure the longevity of its action and to delay the development of dyskinesia.
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Affiliation(s)
| | - Sawsan A Zaitone
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt.
| | - Yasser M Moustafa
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
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Ma H, Lu T, Zhang X, Li C, Xiong J, Huang L, Liu P, Li Y, Liu L, Ding Z. HSPA12B: a novel facilitator of lung tumor growth. Oncotarget 2016; 6:9924-36. [PMID: 25909170 PMCID: PMC4496407 DOI: 10.18632/oncotarget.3533] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2014] [Accepted: 02/17/2015] [Indexed: 12/21/2022] Open
Abstract
Lung tumor progression is regulated by proangiogenic factors. Heat shock protein A12B (HSPA12B) is a recently identified regulator of expression of proangiogenic factors. However, whether HSPA12B plays a role in lung tumor growth is unknown. To address this question, transgenic mice overexpressing HSPA12B (Tg) and wild-type littermates (WT) were implanted with Lewis lung cancer cells to induce lung tumorigenesis. Tg mice showed significantly higher number and bigger size of tumors than WT mice. Tg tumors exhibited increased angiogenesis and proliferation while reduced apoptosis compared with WT tumors. Interestingly, a significantly enhanced upregulation of Cox-2 was detected in Tg tumors than in WT tumors. Also, Tg tumors demonstrated upregulation of VEGF and angiopoietin-1, downregulation of AKAP12, and increased eNOS phosphorylation compared with WT tumors. Celecoxib, a selective Cox-2 inhibitor, suppressed the HSPA12B-induced increase in lung tumor burden. Moreover, celecoxib decreased angiogenesis and proliferation whereas increased apoptosis in Tg tumors. Additionally, celecoxib reduced angiopoietin-1 expression and eNOS phosphorylation but increased AKAP12 levels in Tg tumors. Our results indicate that HSPA12B stimulates lung tumor growth via a Cox-2-dependent mechanism. The present study identified HSPA12B as a novel facilitator of lung tumor growth and a potential therapeutic target for the treatment of lung cancer.
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Affiliation(s)
- He Ma
- Department of Anesthesiology, First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Ting Lu
- Department of Anesthesiology, First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Xiaojin Zhang
- Department of Geriatrics, First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Chuanfu Li
- Department of Surgery, East Tennessee State University, Johnson City, TN, USA
| | - Jingwei Xiong
- Department of Anesthesiology, First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Lei Huang
- Department of Anesthesiology, First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Ping Liu
- Department of Oncology, First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Yuehua Li
- Department of Pathophysiology, Nanjing Medical University, Nanjing, China
| | - Li Liu
- Department of Geriatrics, First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Zhengnian Ding
- Department of Anesthesiology, First Affiliated Hospital with Nanjing Medical University, Nanjing, China
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Lu XY, Wang ZC, Wei T, Yan XQ, Wang PF, Zhu HL. Design, synthesis and evaluation of benzenesulfonamide-substituted 1,5-diarylpyrazoles containing phenylacetohydrazide derivatives as COX-1/COX-2 agents against solid tumors. RSC Adv 2016. [DOI: 10.1039/c6ra02168a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Novel benzenesulfonamide-substituted 1,5-diarylpyrazoles containing phenylacetohydrazide derivatives have been synthesized. Among them, 48 showed best antiproliferative activity against A549 cells and was evaluated as a selective COX-2 inhibitor.
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Affiliation(s)
- Xiao-Yuan Lu
- State Key Laboratory of Pharmaceutical Biotechnology
- Nanjing University
- Nanjing 210023
- People's Republic of China
| | - Zhong-Chang Wang
- State Key Laboratory of Pharmaceutical Biotechnology
- Nanjing University
- Nanjing 210023
- People's Republic of China
| | - Ting Wei
- State Key Laboratory of Pharmaceutical Biotechnology
- Nanjing University
- Nanjing 210023
- People's Republic of China
| | - Xiao-Qiang Yan
- State Key Laboratory of Pharmaceutical Biotechnology
- Nanjing University
- Nanjing 210023
- People's Republic of China
| | - Peng-Fei Wang
- State Key Laboratory of Pharmaceutical Biotechnology
- Nanjing University
- Nanjing 210023
- People's Republic of China
| | - Hai-Liang Zhu
- State Key Laboratory of Pharmaceutical Biotechnology
- Nanjing University
- Nanjing 210023
- People's Republic of China
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Qi S, Kou X, Lv J, Qi Z, Yan L. Ampelopsin induces apoptosis in HepG2 human hepatoma cell line through extrinsic and intrinsic pathways: Involvement of P38 and ERK. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2015; 40:847-854. [PMID: 26476886 DOI: 10.1016/j.etap.2015.09.015] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Revised: 09/21/2015] [Accepted: 09/26/2015] [Indexed: 06/05/2023]
Abstract
Our results showed that ampelopsin significantly inhibited cell viability of hepatoma HepG2 cells using MTT assay. We further investigated the mechanism of anticancer activity by ampelopsin, it showed that ampelopsin induced apoptosis of HepG2 cells using DAPI assay and flow cytometry, which was confirmed by activation of PARP. Next, activation of the caspase cascades were demonstrated, including caspase-8, -9 and -3. We also found that ampelopsin increased the levels of death receptor 4 (DR4), death receptor 5 (DR5) and decreased the expression of Bcl-2 protein, which led to an increase of the Bax/Bcl-2 ratio. Meanwhile, the release of cytochrome c from mitochondria was observed. Ampelopsin decreased the levels of iNOS and COX-2 but had no impact on the level of reactive oxygen species (ROS). In addition, ampelopsin activated ERK1/2 and P38, but little JNK1/2 activation was detected. Further investigation showed that suppression of P38 activation by SB203580 increased the cell viability and also prevented cleavage of caspase-3 and PARP, inhibition of ERK1/2 with U0126 had the opposite action. In conclusion, our results indicated that ampelopsin mainly elicited apoptosis through extrinsic and intrinsic pathway and that ERK1/2 and P38 had opponent effects on the apoptosis.
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Affiliation(s)
- Shimei Qi
- Department of Biochemistry, Wannan Medical College, Wuhu 241002, China.
| | - Xianjuan Kou
- Health Science of College, Wuhan Institute of Physical Education, Wuhan 430000, China
| | - Jun Lv
- Department of Biochemistry, Wannan Medical College, Wuhu 241002, China
| | - Zhilin Qi
- Department of Biochemistry, Wannan Medical College, Wuhu 241002, China
| | - Liang Yan
- Department of Biochemistry, Wannan Medical College, Wuhu 241002, China
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Santulli P, Marcellin L, Tosti C, Chouzenoux S, Cerles O, Borghese B, Batteux F, Chapron C. MAP kinases and the inflammatory signaling cascade as targets for the treatment of endometriosis? Expert Opin Ther Targets 2015; 19:1465-83. [PMID: 26389657 DOI: 10.1517/14728222.2015.1090974] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION The pathogenesis of endometriosis, a common benign disease, remains ill-defined, although it is clear that chronic inflammation plays a crucial role through mitogen-activated protein kinase (MAPK) signaling pathways. All current medical therapies for endometriosis are antigonadotropic, and therefore have a contraceptive effect. A concerted research effort is hence warranted with the aim of delivering novel therapeutics that reduces disease symptoms without blocking ovulation. AREAS COVERED The authors review the complex pathogenic mechanisms of chronic inflammation in endometriosis and their relationships with MAPK pathways. The authors conducted a literature search of descriptive and functional targeted validation of MAPK in the pathogenesis of endometriosis. The effects of MAPK inhibitors, which constitute potential agents for future treatments, are also described. EXPERT OPINION Preliminary studies have highlighted a crucial role for MAPK in driving endometriosis-related inflammation. MAPK inhibitors exhibit potent activity in terms of controlling growth of endometriosis lesions both in vitro and in animal models. As MAPK inhibitors are known to have a multitude of undesirable side effects, their use in humans has to be approached with great care. Indeed, use of these drugs would probably be limited to short exposures prior to surgery in cases involving the most severe disease phenotypes.
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Affiliation(s)
- Pietro Santulli
- a 1 Université Paris Descartes, Sorbonne Paris Cité, Faculté de Médecine, Assistance Publique - Hôpitaux de Paris (AP- HP), Groupe Hospitalier Universitaire (GHU) Ouest, Centre Hospitalier Universitaire (CHU) Cochin, Department of Gynecology Obstetrics II and Reproductive Medicine , 75679 Paris, France +33 1 58 41 36 72 ; .,b 2 Université Paris Descartes, Sorbonne Paris Cité, Department "Development, Reproduction and Cancer," Institut Cochin , INSERM U1016, Equipe Pr Batteux, Paris, France
| | - Louis Marcellin
- a 1 Université Paris Descartes, Sorbonne Paris Cité, Faculté de Médecine, Assistance Publique - Hôpitaux de Paris (AP- HP), Groupe Hospitalier Universitaire (GHU) Ouest, Centre Hospitalier Universitaire (CHU) Cochin, Department of Gynecology Obstetrics II and Reproductive Medicine , 75679 Paris, France +33 1 58 41 36 72 ; .,b 2 Université Paris Descartes, Sorbonne Paris Cité, Department "Development, Reproduction and Cancer," Institut Cochin , INSERM U1016, Equipe Pr Batteux, Paris, France
| | - Claudia Tosti
- c 3 University of Siena, Obstetrics and Gynecology, Department of Molecular and Developmental Medicine , Siena, Italy
| | - Sandrine Chouzenoux
- b 2 Université Paris Descartes, Sorbonne Paris Cité, Department "Development, Reproduction and Cancer," Institut Cochin , INSERM U1016, Equipe Pr Batteux, Paris, France
| | - Olivier Cerles
- b 2 Université Paris Descartes, Sorbonne Paris Cité, Department "Development, Reproduction and Cancer," Institut Cochin , INSERM U1016, Equipe Pr Batteux, Paris, France
| | - Bruno Borghese
- a 1 Université Paris Descartes, Sorbonne Paris Cité, Faculté de Médecine, Assistance Publique - Hôpitaux de Paris (AP- HP), Groupe Hospitalier Universitaire (GHU) Ouest, Centre Hospitalier Universitaire (CHU) Cochin, Department of Gynecology Obstetrics II and Reproductive Medicine , 75679 Paris, France +33 1 58 41 36 72 ; .,b 2 Université Paris Descartes, Sorbonne Paris Cité, Department "Development, Reproduction and Cancer," Institut Cochin , INSERM U1016, Equipe Pr Batteux, Paris, France
| | - Frédéric Batteux
- b 2 Université Paris Descartes, Sorbonne Paris Cité, Department "Development, Reproduction and Cancer," Institut Cochin , INSERM U1016, Equipe Pr Batteux, Paris, France.,d 4 Hôpital Cochin, Department of Immunology , AP-HP, 75679 Paris cedex 14, France
| | - Charles Chapron
- a 1 Université Paris Descartes, Sorbonne Paris Cité, Faculté de Médecine, Assistance Publique - Hôpitaux de Paris (AP- HP), Groupe Hospitalier Universitaire (GHU) Ouest, Centre Hospitalier Universitaire (CHU) Cochin, Department of Gynecology Obstetrics II and Reproductive Medicine , 75679 Paris, France +33 1 58 41 36 72 ; .,b 2 Université Paris Descartes, Sorbonne Paris Cité, Department "Development, Reproduction and Cancer," Institut Cochin , INSERM U1016, Equipe Pr Batteux, Paris, France
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Li P, Shan JX, Chen XH, Zhang D, Su LP, Huang XY, Yu BQ, Zhi QM, Li CL, Wang YQ, Tomei S, Cai Q, Ji J, Li JF, Chouchane L, Yu YY, Sun FZ, Xu ZH, Liu BY, Zhu ZG. Epigenetic silencing of microRNA-149 in cancer-associated fibroblasts mediates prostaglandin E2/interleukin-6 signaling in the tumor microenvironment. Cell Res 2015; 25:588-603. [PMID: 25916550 PMCID: PMC4423088 DOI: 10.1038/cr.2015.51] [Citation(s) in RCA: 130] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 11/27/2014] [Accepted: 12/17/2014] [Indexed: 12/25/2022] Open
Abstract
Tumor initiation and growth depend on its microenvironment in which cancer-associated fibroblasts (CAFs) in tumor stroma play an important role. Prostaglandin E2 (PGE2) and interleukin (IL)-6 signal pathways are involved in the crosstalk between tumor and stromal cells. However, how PGE2-mediated signaling modulates this crosstalk remains unclear. Here, we show that microRNA (miR)-149 links PGE2 and IL-6 signaling in mediating the crosstalk between tumor cells and CAFs in gastric cancer (GC). miR-149 inhibited fibroblast activation by targeting IL-6 and miR-149 expression was substantially suppressed in the CAFs of GC. miR-149 negatively regulated CAFs and their effect on GC development both in vitro and in vivo. CAFs enhanced epithelial-to-mesenchymal transition (EMT) and the stem-like properties of GC cells in a miR-149-IL-6-dependent manner. In addition to IL-6, PGE2 receptor 2 (PTGER2/EP2) was revealed as another potential target of miR-149 in fibroblasts. Furthermore, H. pylori infection, a leading cause of human GC, was able to induce cyclooxygenase-2 (COX-2)/PGE2 signaling and to enhance PGE2 production, resulting in the hypermethylation of miR-149 in CAFs and increased IL-6 secretion. Our findings indicate that miR-149 mediates the crosstalk between tumor cells and CAFs in GC and highlight the potential of interfering miRNAs in stromal cells to improve cancer therapy.
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Affiliation(s)
- Pu Li
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, 197 Ruijin Er Rd, Shanghai 200025, China
| | - Jing-Xuan Shan
- Laboratory of Genetic Medicine and Immnology, Weill Cornell Medical College in Qatar, Education City, P.O. Box 24144, Doha, Qatar
| | - Xue-Hua Chen
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, 197 Ruijin Er Rd, Shanghai 200025, China
| | - Di Zhang
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 1 West Beichen Rd, Beijing 100101, China
| | - Li-Ping Su
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, 197 Ruijin Er Rd, Shanghai 200025, China
| | - Xiu-Ying Huang
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 1 West Beichen Rd, Beijing 100101, China
| | - Bei-Qin Yu
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, 197 Ruijin Er Rd, Shanghai 200025, China
| | - Qiao-Ming Zhi
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, 197 Ruijin Er Rd, Shanghai 200025, China
| | - Cheng-Long Li
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, 197 Ruijin Er Rd, Shanghai 200025, China
| | - Ya-Qing Wang
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 1 West Beichen Rd, Beijing 100101, China
| | - Sara Tomei
- Laboratory of Genetic Medicine and Immnology, Weill Cornell Medical College in Qatar, Education City, P.O. Box 24144, Doha, Qatar
| | - Qu Cai
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, 197 Ruijin Er Rd, Shanghai 200025, China
| | - Jun Ji
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, 197 Ruijin Er Rd, Shanghai 200025, China
| | - Jian-Fang Li
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, 197 Ruijin Er Rd, Shanghai 200025, China
| | - Lotfi Chouchane
- Laboratory of Genetic Medicine and Immnology, Weill Cornell Medical College in Qatar, Education City, P.O. Box 24144, Doha, Qatar
| | - Ying-Yan Yu
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, 197 Ruijin Er Rd, Shanghai 200025, China
| | - Fang-Zhen Sun
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 1 West Beichen Rd, Beijing 100101, China
| | - Zhi-Heng Xu
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 1 West Beichen Rd, Beijing 100101, China
| | - Bing-Ya Liu
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, 197 Ruijin Er Rd, Shanghai 200025, China
| | - Zheng-Gang Zhu
- Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, 197 Ruijin Er Rd, Shanghai 200025, China
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Abstract
While increased COX2 expression and prostaglandin levels are elevated in human cancers, the mechanisms of COX2 regulation at the post-translational level are unknown. Initial observation that COX2 forms adduct with non-receptor tyrosine kinase FYN, prompted us to study FYN-mediated post-translational regulation of COX2. We found that FYN increased COX2 activity in prostate cancer cells DU145, independent of changes in COX2 or COX1 protein expression levels. We report that FYN phosphorylates human COX2 on Tyr 446, and while corresponding phospho-mimetic COX2 mutation promotes COX2 activity, the phosphorylation blocking mutation prevents FYN-mediated increase in COX2 activity.
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Li F, Zhu YT. HGF-activated colonic fibroblasts mediates carcinogenesis of colonic epithelial cancer cells via PKC-cMET-ERK1/2-COX-2 signaling. Cell Signal 2015; 27:860-6. [DOI: 10.1016/j.cellsig.2015.01.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Revised: 01/10/2015] [Accepted: 01/24/2015] [Indexed: 10/24/2022]
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Atom-based QSAR and 3D QSAR using pharmacophore based alignment for discovery of nimesulide-derived SKBR-3 cell line inhibitors. Med Chem Res 2015. [DOI: 10.1007/s00044-014-1187-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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47
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Wada S, Matsushita Y, Tazawa H, Aoi W, Naito Y, Higashi A, Ohshima H, Yoshikawa T. Loss of p53 in stromal fibroblasts enhances tumor cell proliferation through nitric-oxide-mediated cyclooxygenase 2 activation. Free Radic Res 2015; 49:269-78. [PMID: 25511472 DOI: 10.3109/10715762.2014.997230] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Overexpression of cyclooxygenase 2 (COX-2) by stromal fibroblasts plays a critical role in the early stage of carcinogenesis. COX-2 expression is thought to be positively or negatively regulated by inflammatory chemical mediators or tumor suppressors. In this study, the contributions of inducible nitric oxide synthase (iNOS) and p53 to COX-2 expression were examined using mouse embryonic fibroblasts (MEFs) from wild-type, p53-deficient, iNOS-deficient, and p53/iNOS-deficient mice. These MEFs were treated with 1 μg/mL of lipopolysaccharide and 100 IU/mL of interferon gamma for up to 72 h. iNOS and COX-2 expression were analyzed by Western blotting. iNOS was induced earlier (16 h) in p53-deficient MEFs than in wild-type MEFs (48 h). Elevated expression of COX-2 was sustained for a longer duration in the p53-deficient MEFs. In contrast, COX-2 expression was reduced earlier in the iNOS-deficient MEFs. Addition of an exogenous NO donor (0.8 mM of S-nitroso-l-glutathione) to the iNOS-deficient MEFs augmented COX-2 expression. Co-culture with stimulated p53-deficient MEFs promoted cell proliferation of mouse rectal polyploid carcinoma CMT93 cells, but treatment with a COX-2-specific inhibitor counteracted this effect. These results suggest that loss of function of the p53 gene in stromal fibroblasts enhances COX-2 expression by enhancing iNOS expression and the resultant production of NO, contributing to the promotion of tumor growth.
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Affiliation(s)
- S Wada
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University , Shimogamo , Japan
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48
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Seyedmajidi M, Shafaee S, Siadati S, Moghaddam EA, Ghasemi N, Bijani A, Najafi M. Immunohistochemical analysis of COX-2 expression in dentigerous cyst, keratocystic odontogenic tumor and ameloblastoma: A comparative study. Dent Res J (Isfahan) 2015; 12:278-84. [PMID: 26005470 PMCID: PMC4432613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Cyclo-oxygenase-2 (COX-2) is an early response gene that is induced by growth factors, oncogenes and carcinogens and its expression is increased in various tumors. Increased expression of COX-2 plays a significant role in the development and growth of tumors by interfering in biological processes such as cell division, cellular immunity, cell adhesion, apoptosis, and angiogenesis. This study aimed to investigate the immunohistochemical expression of COX-2 in keratocystic odontogenic tumor (KOT) in comparison with ameloblastoma and dentigerous cyst with regards to different clinical behavior and histopathological features of these lesions. MATERIALS AND METHODS Paraffined blocks of 45 cases including 15 cases of dentigerous cyst, 15 cases of KOT and 15 cases of ameloblastoma were stained with immunohistochemical method for COX-2. Five high-power fields of each sample were evaluated to determine the percentage of stained cells and the intensity of staining. Degree of immunoreactivity was obtained from the sum of two. Statistical evaluation was performed by the Kruskal-Wallis and ANOVA Mann-Whitney test (P < 0.05). RESULTS Overexpression of COX-2 in ameloblastoma and KOT was observed compared with dentigerous cyst (P < 0.001). However, no significant difference was observed between the expression of COX-2 in ameloblastoma and KOT (P = 0.148). CONCLUSION The COX-2 expression in odontogenic tumors such as ameloblastoma and cystic neoplasm with aggressive behavior such as KOT increases. However, it does not seem that COX-2 affects the development and growth of cysts with noninvasive behavior like dentigerous cyst.
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Affiliation(s)
- Maryam Seyedmajidi
- Oral and Maxillofacial Pathology Department, Dental Materials Research Center, Dental Faculty, Babol University of Medical Sciences, Babol, Iran,Address for correspondence: Dr. Maryam Seyedmajidi, Oral and Maxillofacial Pathology Department, Dental Materials Research Center, Dental Faculty, Babol University of Medical Sciences, Babol, Iran. E-mail:
| | - Shahryar Shafaee
- Pathology Department, Cellular and Molecular Biology Research Center, Babol University of Medical Sciences, Babol, Iran
| | - Sepideh Siadati
- Department of Pathology, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran
| | | | - Nafiseh Ghasemi
- Students Research Committee, Babol University of Medical Sciences, Babol, Iran
| | - Ali Bijani
- Non-communicable Pediatrics Diseases Research Center, Babol University of Medical Sciences, Babol, Iran
| | - Mostafa Najafi
- Students Research Committee, Babol University of Medical Sciences, Babol, Iran
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Sendur MAN, Aksoy S, Ozdemir NY, Zengin N, Altundag K. Impact of acetylsalicylic Acid on the clinicopathological characteristics and prognosis of patients with invasive breast cancer. Breast Care (Basel) 2014; 9:261-6. [PMID: 25404885 DOI: 10.1159/000365952] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The impact of acetylsalicylic acid (ASA) on the clinicopathological characteristics of breast cancer has not yet been elucidated in detail; we therefore aimed to investigate the effects of ASA on the clinicopathological characteristics of patients with breast cancer. PATIENTS AND METHODS Patients diagnosed with breast cancer were retrospectively analyzed. Breast cancer patients who were taking ASA at the time of breast cancer diagnosis were enrolled as ASA users (n = 84); matching patients with the same age who were not taking ASA were included as control group (n = 890). RESULTS The median age was 56 (range 34-82) years in both groups. ASA users had a significantly lower incidence of grade II-III tumors compared to non-users (P = 0.02). The other clinicopathological characteristics and treatment histories were similar in both groups. In patients using ASA, the disease-free survival (DFS) rate was 97.3%, 89.4%, and 79.9% and in non-users it was 94.1%, 81.8%, and 70.9% in the 1rst, 3rd, and 5th year, respectively (P = 0.01). In aspirin users, the overall survival rate was 95.0%, 90.6%, and 87.6% and in non-users it was 98.1%, 91.2%, and 85.5% in the 1rst, 3rd, and 5th year, respectively (P = 0.50). CONCLUSION Using ASA at the time of breast cancer diagnosis was associated with significantly improved DFS in breast cancer patients.
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Affiliation(s)
- Mehmet A N Sendur
- Yildirim Beyazit University, Department of Medical Oncology Ankara, Turkey
| | - Sercan Aksoy
- Hacettepe University Cancer Institute, Department of Medical Oncology, Ankara, Turkey
| | - Nuriye Y Ozdemir
- Yildirim Beyazit University, Department of Medical Oncology Ankara, Turkey
| | - Nurullah Zengin
- Ankara Numune Education and Research Hospital, Department of Medical Oncology, Ankara, Turkey
| | - Kadri Altundag
- Hacettepe University Cancer Institute, Department of Medical Oncology, Ankara, Turkey
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50
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Abstract
Dr. Tuveson and colleagues provide a comprehensive review on the fundamental role of cancer-associated fibroblasts in shaping the tumor microenvironment and promoting tumor initiation and progression. Fibroblasts regulate the structure and function of healthy tissues, participate transiently in tissue repair after acute inflammation, and assume an aberrant stimulatory role during chronic inflammatory states including cancer. Such cancer-associated fibroblasts (CAFs) modulate the tumor microenvironment and influence the behavior of neoplastic cells in either a tumor-promoting or tumor-inhibiting manner. These pleiotropic functions highlight the inherent plasticity of fibroblasts and may provide new avenues to understand and therapeutically intervene in malignancies. We discuss the emerging themes of CAF biology in the context of tumorigenesis and therapy.
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Affiliation(s)
- Daniel Öhlund
- D. Öhlund, E. Elyada, and D. Tuveson are at the Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724
| | - Ela Elyada
- D. Öhlund, E. Elyada, and D. Tuveson are at the Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724
| | - David Tuveson
- D. Öhlund, E. Elyada, and D. Tuveson are at the Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724
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