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Wang W, Liang M, Wang L, Bei W, Rong X, Xu J, Guo J. Role of prostaglandin E2 in macrophage polarization: Insights into atherosclerosis. Biochem Pharmacol 2023; 207:115357. [PMID: 36455672 DOI: 10.1016/j.bcp.2022.115357] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/19/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022]
Abstract
Atherosclerosis, a trigger of cardiovascular disease, poses grave threats to human health. Although atherosclerosis depends on lipid accumulation and vascular wall inflammation, abnormal phenotypic regulation of macrophages is considered the pathological basis of atherosclerosis. Macrophage polarization mainly refers to the transformation of macrophages into pro-inflammatory (M1) or anti-inflammatory (M2) phenotypes, which has recently become a much-discussed topic. Increasing evidence has shown that M2 macrophage polarization can alleviate atherosclerosis progression. PGE2 is a bioactive lipid that has been observed to be elevated in atherosclerosis and to play a pro-inflammatory role, yet recent studies have reported that PGE2 promotes anti-inflammatory M2 macrophage polarization and mitigates atherosclerosis progression. However, the mechanisms by which PGE2 acts remain unclear. This review summarizes current knowledge of PGE2 and macrophages in atherosclerosis. Additionally, we discuss potential PGE2 mechanisms of macrophage polarization, including CREB, NF-κB, and STAT signaling pathways, which may provide important therapeutic strategies based on targeting PGE2 pathways to modulate macrophage polarization for atherosclerosis treatment.
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Affiliation(s)
- Weixuan Wang
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, Guangdong Pharmaceutical University; Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China; Institute of Chinese Medicine, Guangdong Pharmaceutical University; Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong Province, China
| | - Mingjie Liang
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, Guangdong Pharmaceutical University; Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China; Institute of Chinese Medicine, Guangdong Pharmaceutical University; Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong Province, China
| | - Lexun Wang
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, Guangdong Pharmaceutical University; Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China; Institute of Chinese Medicine, Guangdong Pharmaceutical University; Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong Province, China
| | - Weijian Bei
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, Guangdong Pharmaceutical University; Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China; Institute of Chinese Medicine, Guangdong Pharmaceutical University; Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong Province, China
| | - Xianglu Rong
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, Guangdong Pharmaceutical University; Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China; Institute of Chinese Medicine, Guangdong Pharmaceutical University; Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong Province, China
| | - Jianqin Xu
- Department of Endocrinology, Shaanxi Provincial Hospital of Traditional Chinese Medicine, Xi'an, Shaanxi Province, China.
| | - Jiao Guo
- Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, Guangdong Pharmaceutical University; Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China; Institute of Chinese Medicine, Guangdong Pharmaceutical University; Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou, Guangdong Province, China.
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Zhang FY, Li RZ, Xu C, Fan XX, Li JX, Meng WY, Wang XR, Liang TL, Guan XX, Pan HD, Liu L, Yao XJ, Wu QB, Leung ELH. Emodin induces apoptosis and suppresses non-small-cell lung cancer growth via downregulation of sPLA2-IIa. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 95:153786. [PMID: 34785104 DOI: 10.1016/j.phymed.2021.153786] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 09/22/2021] [Accepted: 09/29/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Lung cancer has become the principal cause of cancer-related deaths. Emodin is a Chinese herb-derived compound extracted from the roots of Rheum officinale that exhibits numerous pharmacological characteristics. Secretory phospholipase A2-IIa (sPLA2-IIa) is overexpressed in cancers and plays an important role in cancer development. PURPOSE This study aims to investigate the anti-tumor mechanism of emodin in non-small-cell lung cancer (NSCLC). METHODS MTT assay was applied to detect the sensitivity of emodin to NSCLC cell line. Flow cytometry was used to examine the effect of emodin on cell cycle distribution and evaluate ROS level and apoptosis. Western blot analysis was utilised to examine the expression levels of sPLA2-IIa, PKM2, and AMPK and its downstream pathways induced by emodin. Enzyme inhibition assay was applied to investigate the inhibitory effect of emodin on sPLA2-IIa. The anticancer effect of emodin was also detected using an in vivo model. RESULTS Emodin significantly inhibited NSCLC proliferation in vivo and in vitro and was relatively less cytotoxic to normal lung cell lines. Most importantly, emodin inhibited the proliferation of KRAS mutant cell lines by decreasing the expression of sPLA2-IIa and NF-κB pathways. Emodin also inhibited mTOR and AKT and activated the AMPK pathway. Furthermore, emodin induced apoptosis, increased the reactive oxygen species (ROS) level, and arrested the cell cycle. CONCLUSION Emodin exhibited a novel anti-tumor mechanism of inhibiting the proliferation of KRAS mutant cell lines by decreasing the expression levels of sPLA2-IIa and NF-κB pathways. Hence, emodin can potentially serve as a therapeutic target in NSCLC.
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Affiliation(s)
- Fang-Yuan Zhang
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, Macau University of Science and Technology, Avenida Wai Long, Macao, Taipa Macau (SAR), China; State Key Laboratory of Quality Research in Chinese Medicine/Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
| | - Run-Ze Li
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, Macau University of Science and Technology, Avenida Wai Long, Macao, Taipa Macau (SAR), China; State Key Laboratory of Quality Research in Chinese Medicine/Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
| | - Cong Xu
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, Macau University of Science and Technology, Avenida Wai Long, Macao, Taipa Macau (SAR), China; State Key Laboratory of Quality Research in Chinese Medicine/Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
| | - Xing-Xing Fan
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, Macau University of Science and Technology, Avenida Wai Long, Macao, Taipa Macau (SAR), China; State Key Laboratory of Quality Research in Chinese Medicine/Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
| | - Jia-Xin Li
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, Macau University of Science and Technology, Avenida Wai Long, Macao, Taipa Macau (SAR), China; State Key Laboratory of Quality Research in Chinese Medicine/Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
| | - Wei-Yu Meng
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, Macau University of Science and Technology, Avenida Wai Long, Macao, Taipa Macau (SAR), China; State Key Laboratory of Quality Research in Chinese Medicine/Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
| | - Xuan-Run Wang
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, Macau University of Science and Technology, Avenida Wai Long, Macao, Taipa Macau (SAR), China; State Key Laboratory of Quality Research in Chinese Medicine/Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
| | - Tu-Liang Liang
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, Macau University of Science and Technology, Avenida Wai Long, Macao, Taipa Macau (SAR), China; State Key Laboratory of Quality Research in Chinese Medicine/Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
| | - Xiao-Xiang Guan
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, Macau University of Science and Technology, Avenida Wai Long, Macao, Taipa Macau (SAR), China; State Key Laboratory of Quality Research in Chinese Medicine/Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
| | - Hu-Dan Pan
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, Macau University of Science and Technology, Avenida Wai Long, Macao, Taipa Macau (SAR), China; State Key Laboratory of Quality Research in Chinese Medicine/Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
| | - Liang Liu
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, Macau University of Science and Technology, Avenida Wai Long, Macao, Taipa Macau (SAR), China; State Key Laboratory of Quality Research in Chinese Medicine/Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
| | - Xiao-Jun Yao
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, Macau University of Science and Technology, Avenida Wai Long, Macao, Taipa Macau (SAR), China; State Key Laboratory of Quality Research in Chinese Medicine/Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China
| | - Qi Biao Wu
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, Macau University of Science and Technology, Avenida Wai Long, Macao, Taipa Macau (SAR), China; State Key Laboratory of Quality Research in Chinese Medicine/Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China.
| | - Elaine Lai-Han Leung
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, Macau University of Science and Technology, Avenida Wai Long, Macao, Taipa Macau (SAR), China; State Key Laboratory of Quality Research in Chinese Medicine/Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau (SAR), China; Zhuhai Hospital of Traditional Chinese and Western Medicine, Zhuhai City, Guangdong, PR China.
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Weinstock A, Rahman K, Yaacov O, Nishi H, Menon P, Nikain CA, Garabedian ML, Pena S, Akbar N, Sansbury BE, Heffron SP, Liu J, Marecki G, Fernandez D, Brown EJ, Ruggles KV, Ramsey SA, Giannarelli C, Spite M, Choudhury RP, Loke P, Fisher EA. Wnt signaling enhances macrophage responses to IL-4 and promotes resolution of atherosclerosis. eLife 2021; 10:e67932. [PMID: 33720008 PMCID: PMC7994001 DOI: 10.7554/elife.67932] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 03/01/2021] [Indexed: 12/14/2022] Open
Abstract
Atherosclerosis is a disease of chronic inflammation. We investigated the roles of the cytokines IL-4 and IL-13, the classical activators of STAT6, in the resolution of atherosclerosis inflammation. Using Il4-/-Il13-/- mice, resolution was impaired, and in control mice, in both progressing and resolving plaques, levels of IL-4 were stably low and IL-13 was undetectable. This suggested that IL-4 is required for atherosclerosis resolution, but collaborates with other factors. We had observed increased Wnt signaling in macrophages in resolving plaques, and human genetic data from others showed that a loss-of-function Wnt mutation was associated with premature atherosclerosis. We now find an inverse association between activation of Wnt signaling and disease severity in mice and humans. Wnt enhanced the expression of inflammation resolving factors after treatment with plaque-relevant low concentrations of IL-4. Mechanistically, activation of the Wnt pathway following lipid lowering potentiates IL-4 responsiveness in macrophages via a PGE2/STAT3 axis.
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Affiliation(s)
- Ada Weinstock
- Department of Medicine, Leon H. Charney Division of Cardiology, Cardiovascular Research Program, New York University Grossman School of MedicineNew YorkUnited States
| | - Karishma Rahman
- Department of Medicine, Leon H. Charney Division of Cardiology, Cardiovascular Research Program, New York University Grossman School of MedicineNew YorkUnited States
| | - Or Yaacov
- Department of Medicine, Leon H. Charney Division of Cardiology, Cardiovascular Research Program, New York University Grossman School of MedicineNew YorkUnited States
| | - Hitoo Nishi
- Department of Medicine, Leon H. Charney Division of Cardiology, Cardiovascular Research Program, New York University Grossman School of MedicineNew YorkUnited States
| | - Prashanthi Menon
- Department of Medicine, Leon H. Charney Division of Cardiology, Cardiovascular Research Program, New York University Grossman School of MedicineNew YorkUnited States
| | - Cyrus A Nikain
- Department of Medicine, Leon H. Charney Division of Cardiology, Cardiovascular Research Program, New York University Grossman School of MedicineNew YorkUnited States
| | - Michela L Garabedian
- Department of Medicine, Leon H. Charney Division of Cardiology, Cardiovascular Research Program, New York University Grossman School of MedicineNew YorkUnited States
| | - Stephanie Pena
- Department of Medicine, Leon H. Charney Division of Cardiology, Cardiovascular Research Program, New York University Grossman School of MedicineNew YorkUnited States
| | - Naveed Akbar
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of OxfordOxfordUnited Kingdom
| | - Brian E Sansbury
- Center for Experimental Therapeutics and Reperfusion Injury, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women’s Hospital and Harvard Medical SchoolBostonUnited States
| | - Sean P Heffron
- Department of Medicine, Leon H. Charney Division of Cardiology, Cardiovascular Research Program, New York University Grossman School of MedicineNew YorkUnited States
- NYU Center for the Prevention of Cardiovascular Disease, New York University Grossman School of MedicineNew YorkUnited States
| | - Jianhua Liu
- Department of Surgery, Mount Sinai School of MedicineNew YorkUnited States
| | - Gregory Marecki
- Department of Medicine, Leon H. Charney Division of Cardiology, Cardiovascular Research Program, New York University Grossman School of MedicineNew YorkUnited States
| | - Dawn Fernandez
- Cardiovascular Research Center, Department of Medicine, Icahn School of Medicine at Mount SinaiNew YorkUnited States
| | - Emily J Brown
- Department of Medicine, Leon H. Charney Division of Cardiology, Cardiovascular Research Program, New York University Grossman School of MedicineNew YorkUnited States
| | - Kelly V Ruggles
- Division of Translational Medicine, Department of Medicine, New York University Langone Health, Institute for Systems Genetics, New York University Grossman School of MedicineNew YorkUnited States
| | - Stephen A Ramsey
- Department of Biomedical Sciences, School of Electrical Engineering and Computer Science, Oregon State UniversityCorvallisUnited States
| | - Chiara Giannarelli
- Cardiovascular Research Center, Department of Medicine, Icahn School of Medicine at Mount SinaiNew YorkUnited States
- The Precision Immunology Institute, Icahn School of Medicine at Mount SinaiNew YorkUnited States
- Department of Microbiology (Parasitology), New York University School of MedicineNew YorkUnited States
| | - Matthew Spite
- Center for Experimental Therapeutics and Reperfusion Injury, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women’s Hospital and Harvard Medical SchoolBostonUnited States
| | - Robin P Choudhury
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of OxfordOxfordUnited Kingdom
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount SinaiNew YorkUnited States
| | - P'ng Loke
- Acute Vascular Imaging Centre, Radcliffe Department of Medicine, University of OxfordOxfordUnited Kingdom
- Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of HealthBethesdaUnited States
| | - Edward A Fisher
- Department of Medicine, Leon H. Charney Division of Cardiology, Cardiovascular Research Program, New York University Grossman School of MedicineNew YorkUnited States
- NYU Center for the Prevention of Cardiovascular Disease, New York University Grossman School of MedicineNew YorkUnited States
- Departments of Cell Biology and Microbiology, New York University Grossman School of MedicineNew YorkUnited States
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Jespersen SS, Stovgaard ES, Nielsen D, Christensen TD, Buhl ASK, Christensen IJ, Balslev E. Expression of Secretory Phospholipase A2 Group IIa in Breast Cancer and Correlation to Prognosis in a Cohort of Advanced Breast Cancer Patients. Appl Immunohistochem Mol Morphol 2021; 29:e5-e9. [PMID: 32217848 DOI: 10.1097/pai.0000000000000854] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Secreted phospholipase A2 group IIa (sPLA2-IIa) has been shown to promote tumor genesis and cell proliferation. The properties of this group of enzymes are utilized in liposomal drug delivery of chemotherapy. sPLA2-IIa is also under investigation as a possible treatment target in itself, and as a prognostic marker. The expression of sPLA2-IIa in breast cancer has not been examined extensively, and never using immunohistochemistry. We sought to investigate the expression of sPLA2-IIa in a cohort of advanced breast cancer patients with correlation to known clinicopathologic risk factors and survival. Material from 525 breast cancer patients (426 primary tumors and 99 metastases or local recurrences) was examined for sPLA2-IIa expression using immunohistochemistry. Out of these, 262 showed expression of sPLA2-IIa. We found that there was no correlation to clinicopathologic characteristics, and no impact of sPLA2-IIa expression on prognosis. However, we found that a large proportion of patients in our study had high levels of sPLA2-IIa expression, and that sPLA2-IIa was equally expressed in primary tumors and metastases. These findings may be significant in the future development of liposomal drug delivery or targeted sPLA2-IIa treatment.
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Affiliation(s)
| | | | - Dorte Nielsen
- Oncology, Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Troels D Christensen
- Oncology, Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Anna S K Buhl
- Oncology, Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
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