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Wu S, Peng H, Li S, Huang L, Wang X, Li Y, Liu Y, Xiong P, Yang Q, Tian K, Wu W, Pu R, Lu X, Xiao Z, Yang J, Zhong Z, Gao Y, Deng Y, Deng Y. The ω-3 Polyunsaturated Fatty Acid Docosahexaenoic Acid Enhances NK-Cell Antitumor Effector Functions. Cancer Immunol Res 2024; 12:744-758. [PMID: 38526128 PMCID: PMC11148550 DOI: 10.1158/2326-6066.cir-23-0359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 01/16/2024] [Accepted: 03/22/2024] [Indexed: 03/26/2024]
Abstract
ω-3 polyunsaturated fatty acids (PUFA) are known to directly repress tumor development and progression. In this study, we explored whether docosahexaenoic acid (DHA), a type of ω-3 PUFA, had an immunomodulatory role in inhibiting tumor growth in immunocompetent mice. The number of natural killer (NK) cells but not the number of T or B cells was decreased by DHA supplementation in various tissues under physiologic conditions. Although the frequency and number of NK cells were comparable, IFNγ production by NK cells in both the spleen and lung was increased in DHA-supplemented mice in the mouse B16F10 melanoma tumor model. Single-cell RNA sequencing revealed that DHA promoted effector function and oxidative phosphorylation in NK cells but had no obvious effects on other immune cells. Using Rag2-/- mice and NK-cell depletion by PK136 antibody injection, we demonstrated that the suppression of B16F10 melanoma tumor growth in the lung by DHA supplementation was dependent mainly on NK cells. In vitro experiments showed that DHA directly enhanced IFNγ production, CD107a expression, and mitochondrial oxidative phosphorylation (OXPHOS) activity and slightly increased proliferator-activated receptor gamma coactivator-1α (PGC-1α) protein expression in NK cells. The PGC-1α inhibitor SR-18292 in vitro and NK cell-specific knockout of PGC-1α in mice reversed the antitumor effects of DHA. In summary, our findings broaden the current knowledge on how DHA supplementation protects against cancer growth from the perspective of immunomodulation by upregulating PGC-1α signaling-mediated mitochondrial OXPHOS activity in NK cells.
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Affiliation(s)
- Shuting Wu
- Pediatrics Research Institute of Hunan Province and Hunan Provincial Key Laboratory of Children's Emergency Medicine, Hunan Children's Hospital, Changsha, China
- The Affiliated Children's Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Hongyan Peng
- Pediatrics Research Institute of Hunan Province and Hunan Provincial Key Laboratory of Children's Emergency Medicine, Hunan Children's Hospital, Changsha, China
- The Affiliated Children's Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Songyang Li
- Pediatrics Research Institute of Hunan Province and Hunan Provincial Key Laboratory of Children's Emergency Medicine, Hunan Children's Hospital, Changsha, China
- The Affiliated Children's Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Lanlan Huang
- The School of Pediatrics, Hengyang Medical School, University of South China, Changsha, China
| | - Xiangyu Wang
- Pediatrics Research Institute of Hunan Province and Hunan Provincial Key Laboratory of Children's Emergency Medicine, Hunan Children's Hospital, Changsha, China
- The Affiliated Children's Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Yana Li
- Pediatrics Research Institute of Hunan Province and Hunan Provincial Key Laboratory of Children's Emergency Medicine, Hunan Children's Hospital, Changsha, China
- The Affiliated Children's Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Yongjie Liu
- Pediatrics Research Institute of Hunan Province and Hunan Provincial Key Laboratory of Children's Emergency Medicine, Hunan Children's Hospital, Changsha, China
- The Affiliated Children's Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Peiwen Xiong
- Pediatrics Research Institute of Hunan Province and Hunan Provincial Key Laboratory of Children's Emergency Medicine, Hunan Children's Hospital, Changsha, China
- The Affiliated Children's Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Qinglan Yang
- Pediatrics Research Institute of Hunan Province and Hunan Provincial Key Laboratory of Children's Emergency Medicine, Hunan Children's Hospital, Changsha, China
- The Affiliated Children's Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Kunpeng Tian
- Department of Clinical Hematology, College of Pharmacy and Laboratory Medicine Science, Army Medical University, Chongqing, China
| | - Weiru Wu
- Department of Clinical Hematology, College of Pharmacy and Laboratory Medicine Science, Army Medical University, Chongqing, China
| | - Rongxi Pu
- Department of Clinical Hematology, College of Pharmacy and Laboratory Medicine Science, Army Medical University, Chongqing, China
| | - Xiulan Lu
- Pediatrics Research Institute of Hunan Province and Hunan Provincial Key Laboratory of Children's Emergency Medicine, Hunan Children's Hospital, Changsha, China
- The Affiliated Children's Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Zhenghui Xiao
- Pediatrics Research Institute of Hunan Province and Hunan Provincial Key Laboratory of Children's Emergency Medicine, Hunan Children's Hospital, Changsha, China
- The Affiliated Children's Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Jian Yang
- Department of Clinical Nutrition, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zhaoyang Zhong
- The Fifth People's Hospital of Chongqing, Chongqing, China
| | - Yuan Gao
- Translational Medicine Research Center, Shanxi Medical University, Taiyuan, China
| | - Yafei Deng
- Pediatrics Research Institute of Hunan Province and Hunan Provincial Key Laboratory of Children's Emergency Medicine, Hunan Children's Hospital, Changsha, China
- The Affiliated Children's Hospital of Xiangya School of Medicine, Central South University, Changsha, China
- The School of Pediatrics, Hengyang Medical School, University of South China, Changsha, China
| | - Youcai Deng
- Department of Clinical Hematology, College of Pharmacy and Laboratory Medicine Science, Army Medical University, Chongqing, China
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Ghaneialvar H, Kayumov A, Aboualigalehdari E, Pakzad I, Tanideh N, Abbasi N, Haddadi MH. Docosahexaenoic acid-loaded chitosan/alginate membrane reduces biofilm formation by P. aeruginosa and promotes MSC-mediated burn wound healing. J Biomater Appl 2023; 37:1458-1469. [PMID: 36189675 DOI: 10.1177/08853282221131130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Aims: Chitosan, like docosahexaenoic acid (DHA) and mesenchymal stem cells (MSCs), is used in medicine as a wound healing accelerator. Thus, in this study, chitosan-alginate (CA) membranes containing DHA and MSCs were produced, and their antibacterial and antibiofilm activities against burn infections caused by Pseudomonas aeruginosa were investigated.Methods: Physicochemical properties were assessed by SEM, Fourier transform infrared (FTIR), and X-ray diffraction (XRD). Porosity, cytocompatibility, and antibacterial and antibiofilm activities were evaluated both in vitro and in vivo. The viability and apoptosis of MSCs were studied using flow cytometry. Wound healing effects were analyzed based on histopathological features, the wound contraction rate (WCR) ratio, and bacterial clearance.Results: The CA membranes showed antibiofilm activity both in vivo and in vitro, accompanied by reduced lasI and rhlI expressions and pyocyanin production. The membranes were highly porous and biocompatible and showed favorable physicochemical properties. Docosahexaenoic acid incorporation to CA membranes improved their antibacterial and antibiofilm activities, as well as MSCs' viability by reducing crystallinity and increasing porosity (p = .008). Treatment with CA-DHA-MSC accelerated burn wound healing (with complete healing being observed after 14 days, WCR = 85%) and augmented antibacterial and antibiofilm activities in vivo compared to CA-DHA and CA-MSC. The CA-DHA-MSC group delivered a significantly higher WCR and lower inflammation than the CA-MSC group (p = .0001).Conclusion: In combination with DHA-loaded CA membranes, MSCs reduced the healing time of burn wounds, offering a viable option for designing effective wound dressings.
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Affiliation(s)
- Hori Ghaneialvar
- 48443Biotechnology and Medicinal Plants Research Center, Ilam University of Medical Sciences, Ilam, Iran
| | - Airat Kayumov
- Kazan (Volga Region) Federal University, Kazan, Russia
| | - Elham Aboualigalehdari
- Department of Parasitology and Mycology, Faculty of Paramedical Science, 48443Ilam University of Medical Sciences, Ilam, Iran
| | - Iraj Pakzad
- Department of Microbiology, Faculty of Medicine, 48443Ilam University of Medical Sciences, Ilam, Iran
| | - Nader Tanideh
- Stem Cells Technology Research Center, Stem Cells Research Institute, 48435Shiraz University of Medical Sciences, Shiraz, Iran
| | - Naser Abbasi
- 48443Biotechnology and Medicinal Plants Research Center, Ilam University of Medical Sciences, Ilam, Iran.,Department of Pharmacology, Medical School, Iran University of Medical Sciences, Tehran, Iran
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Chen Z, Lu Q, Wang J, Cao X, Wang K, Wang Y, Wu Y, Yang Z. The function of omega-3 polyunsaturated fatty acids in response to cadmium exposure. Front Immunol 2022; 13:1023999. [PMID: 36248838 PMCID: PMC9558127 DOI: 10.3389/fimmu.2022.1023999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Accepted: 09/09/2022] [Indexed: 11/13/2022] Open
Abstract
Throughout history, pollution has become a part of our daily life with the improvement of life quality and the advancement of industry and heavy industry. In recent years, the adverse effects of heavy metals, such as cadmium (Cd), on human health have been widely discussed, particularly on the immune system. Here, this review summarizes the available evidence on how Cd exposure may affect health. By analyzing the general manifestations of inflammation caused by Cd exposure, we find that the role of omega-3 (n-3) polyunsaturated fatty acids (PUFAs) in vivo can counteract Cd-induced harm. Additionally, we elucidate the effects of n-3 PUFAs on the immune system, and analyze their prophylactic and therapeutic effects on Cd exposure. Overall, this review highlights the role of n-3 PUFAs in the pathological changes induced by Cd exposure. Although n-3 PUFAs remain to be verified whether they can be used as therapeutic agents, as rehabilitation therapy, supplementation with n-3 PUFAs is reliable and effective.
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Affiliation(s)
- Zhi Chen
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture & Agri-Product Safety, Ministry of Education, Yangzhou University, Yangzhou, China
| | - Qinyue Lu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Jiacheng Wang
- College of Medical, Yangzhou University, Yangzhou, China
| | - Xiang Cao
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Kun Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Yuhao Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Yanni Wu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Zhangping Yang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture & Agri-Product Safety, Ministry of Education, Yangzhou University, Yangzhou, China
- *Correspondence: Zhangping Yang,
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