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Wang L, Shen K, Gao Z, Ren M, Wei C, Yang Y, Li Y, Zhu Y, Zhang S, Ding Y, Zhang T, Li J, Zhu M, Zheng S, Yang Y, Du S, Wei C, Gu J. Melanoma Derived Exosomes Amplify Radiotherapy Induced Abscopal Effect via IRF7/I-IFN Axis in Macrophages. Adv Sci (Weinh) 2024; 11:e2304991. [PMID: 38286661 PMCID: PMC10987102 DOI: 10.1002/advs.202304991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 12/11/2023] [Indexed: 01/31/2024]
Abstract
Radiotherapy (RT) can induce tumor regression outside the irradiation field, known as the abscopal effect. However, the detailed underlying mechanisms remain largely unknown. A tumor-bearing mouse model is successfully constructed by inducing both subcutaneous tumors and lung metastases. Single-cell RNA sequencing, immunofluorescence, and flow cytometry are performed to explore the regulation of tumor microenvironment (TME) by RT. A series of in vitro assays, including luciferase reporter, RNA Pulldown, and fluorescent in situ hybridization (FISH) assays, are performed to evaluate the detailed mechanism of the abscopal effect. In addition, in vivo assays are performed to investigate combination therapy strategies for enhancing the abscopal effect. The results showed that RT significantly inhibited localized tumor and lung metastasis progression and improved the TME. Mechanistically, RT promoted the release of tumor-derived exosomes carrying circPIK3R3, which is taken up by macrophages. circPIK3R3 promoted Type I interferon (I-IFN) secretion and M1 polarization via the miR-872-3p/IRF7 axis. Secreted I-IFN activated the JAK/STAT signaling pathway in CD8+ T cells, and promoted IFN-γ and GZMB secretion. Together, the study shows that tumor-derived exosomes promote I-IFN secretion via the circPIK3R3/miR-872-3p/IRF7 axis in macrophages and enhance the anti-tumor immune response of CD8+ T cells.
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Affiliation(s)
- Lu Wang
- Department of Plastic SurgeryZhongshan HospitalFudan UniversityShanghai200032P. R. China
| | - Kangjie Shen
- Department of Plastic SurgeryZhongshan HospitalFudan UniversityShanghai200032P. R. China
| | - Zixu Gao
- Department of Plastic SurgeryZhongshan HospitalFudan UniversityShanghai200032P. R. China
| | - Ming Ren
- Department of Plastic SurgeryZhongshan HospitalFudan UniversityShanghai200032P. R. China
| | - Chenlu Wei
- Department of Plastic SurgeryZhongshan HospitalFudan UniversityShanghai200032P. R. China
| | - Yang Yang
- Department of Plastic SurgeryZhongshan HospitalFudan UniversityShanghai200032P. R. China
| | - Yinlam Li
- Department of Plastic SurgeryZhongshan HospitalFudan UniversityShanghai200032P. R. China
| | - Yu Zhu
- Department of Plastic SurgeryZhongshan HospitalFudan UniversityShanghai200032P. R. China
| | - Simin Zhang
- Department of Plastic SurgeryShanghai Geriatric Medical CenterShanghai201104P. R. China
| | - Yiteng Ding
- Department of Plastic SurgeryZhongshan HospitalFudan UniversityShanghai200032P. R. China
| | - Tianyi Zhang
- Department of Plastic SurgeryZhongshan HospitalFudan UniversityShanghai200032P. R. China
| | - Jianrui Li
- Department of Plastic SurgeryZhongshan HospitalFudan UniversityShanghai200032P. R. China
| | - Ming Zhu
- Department of Plastic SurgeryZhongshan HospitalFudan UniversityShanghai200032P. R. China
| | - Shaoluan Zheng
- Department of Plastic SurgeryZhongshan Hospital Xiamen BranchFudan UniversityXiamen361015P. R. China
| | - Yanwen Yang
- Department of Plastic SurgeryZhongshan HospitalFudan UniversityShanghai200032P. R. China
| | - Shisuo Du
- Department of RadiotherapyZhongshan HospitalFudan UniversityShanghai200032P. R. China
| | - Chuanyuan Wei
- Department of Plastic SurgeryZhongshan HospitalFudan UniversityShanghai200032P. R. China
| | - Jianying Gu
- Department of Plastic SurgeryZhongshan HospitalFudan UniversityShanghai200032P. R. China
- Department of Plastic SurgeryZhongshan Hospital Xiamen BranchFudan UniversityXiamen361015P. R. China
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Sakama S, Kurusu K, Morita M, Oizumi T, Masugata S, Oka S, Yokomizo S, Nishimura M, Morioka T, Kakinuma S, Shimada Y, Nakamura AJ. An Enriched Environment Alters DNA Repair and Inflammatory Responses After Radiation Exposure. Front Immunol 2021; 12:760322. [PMID: 34745135 PMCID: PMC8570081 DOI: 10.3389/fimmu.2021.760322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 10/08/2021] [Indexed: 11/22/2022] Open
Abstract
After the Fukushima Daiichi Nuclear Power Plant accident, there is growing concern about radiation-induced carcinogenesis. In addition, living in a long-term shelter or temporary housing due to disasters might cause unpleasant stress, which adversely affects physical and mental health. It's been experimentally demonstrated that "eustress", which is rich and comfortable, has beneficial effects for health using mouse models. In a previous study, mice raised in the enriched environment (EE) has shown effects such as suppression of tumor growth and enhancement of drug sensitivity during cancer treatment. However, it's not yet been evaluated whether EE affects radiation-induced carcinogenesis. Therefore, to evaluate whether EE suppresses a radiation-induced carcinogenesis after radiation exposure, in this study, we assessed the serum leptin levels, radiation-induced DNA damage response and inflammatory response using the mouse model. In brief, serum and tissues were collected and analyzed over time in irradiated mice after manipulating the raising environment during the juvenile or adult stage. To assess the radiation-induced DNA damage response, we performed immunostaining for phosphorylated H2AX which is a marker of DNA double-strand break. Focusing on the polarization of macrophages in the inflammatory reaction that has an important role in carcinogenesis, we performed analysis using tissue immunofluorescence staining and RT-qPCR. Our data confirmed that EE breeding before radiation exposure improved the responsiveness to radiation-induced DNA damage and basal immunity, further suppressing the chronic inflammatory response, and that might lead to a reduction of the risk of radiation-induced carcinogenesis.
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Affiliation(s)
- Sae Sakama
- Department of Biological Science, College of Sciences, Ibaraki University, Mito, Japan
| | - Keisuke Kurusu
- Department of Biological Science, College of Sciences, Ibaraki University, Mito, Japan
| | - Mayu Morita
- Department of Biological Science, College of Sciences, Ibaraki University, Mito, Japan
| | - Takashi Oizumi
- Department of Biological Science, College of Sciences, Ibaraki University, Mito, Japan
| | - Shinya Masugata
- Department of Biological Science, College of Sciences, Ibaraki University, Mito, Japan
| | - Shohei Oka
- Department of Biological Science, College of Sciences, Ibaraki University, Mito, Japan
| | - Shinya Yokomizo
- Department of Radiation Effects Research, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan
| | - Mayumi Nishimura
- Department of Radiation Effects Research, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan
| | - Takamitsu Morioka
- Department of Radiation Effects Research, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan
| | - Shizuko Kakinuma
- Department of Radiation Effects Research, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan
| | - Yoshiya Shimada
- Executive Director, National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan
| | - Asako J. Nakamura
- Department of Biological Science, College of Sciences, Ibaraki University, Mito, Japan
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Holsapple JS, Cooper B, Berry SH, Staniszewska A, Dickson BM, Taylor JA, Bachoo P, Wilson HM. Low Intensity Shockwave Treatment Modulates Macrophage Functions Beneficial to Healing Chronic Wounds. Int J Mol Sci 2021; 22:ijms22157844. [PMID: 34360610 PMCID: PMC8346032 DOI: 10.3390/ijms22157844] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 07/16/2021] [Accepted: 07/20/2021] [Indexed: 12/21/2022] Open
Abstract
Extracorporeal Shock Wave Therapy (ESWT) is used clinically in various disorders including chronic wounds for its pro-angiogenic, proliferative, and anti-inflammatory effects. However, the underlying cellular and molecular mechanisms driving therapeutic effects are not well characterized. Macrophages play a key role in all aspects of healing and their dysfunction results in failure to resolve chronic wounds. We investigated the role of ESWT on macrophage activity in chronic wound punch biopsies from patients with non-healing venous ulcers prior to, and two weeks post-ESWT, and in macrophage cultures treated with clinical shockwave intensities (150–500 impulses, 5 Hz, 0.1 mJ/mm2). Using wound area measurements and histological/immunohistochemical analysis of wound biopsies, we show ESWT enhanced healing of chronic ulcers associated with improved wound angiogenesis (CD31 staining), significantly decreased CD68-positive macrophages per biopsy area and generally increased macrophage activation. Shockwave treatment of macrophages in culture significantly boosted uptake of apoptotic cells, healing-associated cytokine and growth factor gene expressions and modulated macrophage morphology suggestive of macrophage activation, all of which contribute to wound resolution. Macrophage ERK activity was enhanced, suggesting one mechanotransduction pathway driving events. Collectively, these in vitro and in vivo findings reveal shockwaves as important regulators of macrophage functions linked with wound healing. This immunomodulation represents an underappreciated role of clinically applied shockwaves, which could be exploited for other macrophage-mediated disorders.
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Affiliation(s)
- Jason S. Holsapple
- School of Medicine, Medical Sciences & Dentistry, Institute of Medical Sciences, University of Aberdeen, Foresterhill Road, Aberdeen AB25 2ZD, UK; (J.S.H.); (A.S.); (S.H.B.); (B.M.D.); (J.A.T.)
| | - Ben Cooper
- Department of Vascular Surgery, NHS Grampian, Foresterhill Road, Aberdeen AB25 2ZN, UK; (B.C.); (P.B.)
| | - Susan H. Berry
- School of Medicine, Medical Sciences & Dentistry, Institute of Medical Sciences, University of Aberdeen, Foresterhill Road, Aberdeen AB25 2ZD, UK; (J.S.H.); (A.S.); (S.H.B.); (B.M.D.); (J.A.T.)
| | - Aleksandra Staniszewska
- School of Medicine, Medical Sciences & Dentistry, Institute of Medical Sciences, University of Aberdeen, Foresterhill Road, Aberdeen AB25 2ZD, UK; (J.S.H.); (A.S.); (S.H.B.); (B.M.D.); (J.A.T.)
| | - Bruce M. Dickson
- School of Medicine, Medical Sciences & Dentistry, Institute of Medical Sciences, University of Aberdeen, Foresterhill Road, Aberdeen AB25 2ZD, UK; (J.S.H.); (A.S.); (S.H.B.); (B.M.D.); (J.A.T.)
| | - Julie A. Taylor
- School of Medicine, Medical Sciences & Dentistry, Institute of Medical Sciences, University of Aberdeen, Foresterhill Road, Aberdeen AB25 2ZD, UK; (J.S.H.); (A.S.); (S.H.B.); (B.M.D.); (J.A.T.)
| | - Paul Bachoo
- Department of Vascular Surgery, NHS Grampian, Foresterhill Road, Aberdeen AB25 2ZN, UK; (B.C.); (P.B.)
| | - Heather M. Wilson
- School of Medicine, Medical Sciences & Dentistry, Institute of Medical Sciences, University of Aberdeen, Foresterhill Road, Aberdeen AB25 2ZD, UK; (J.S.H.); (A.S.); (S.H.B.); (B.M.D.); (J.A.T.)
- Correspondence:
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Xiao T, Hu W, Fan Y, Shen M, Shi X. Macrophage-mediated tumor homing of hyaluronic acid nanogels loaded with polypyrrole and anticancer drug for targeted combinational photothermo-chemotherapy. Theranostics 2021; 11:7057-7071. [PMID: 34093871 PMCID: PMC8171075 DOI: 10.7150/thno.60427] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 05/05/2021] [Indexed: 12/20/2022] Open
Abstract
Rationale: Development of nanosystems that can be integrated with macrophages (MAs), an emerging carrier system, for effective tumor therapy remains to be challenging. We report here the development of MAs specifically loaded with hyaluronic acid (HA) nanogels (NGs) encapsulated with a photothermal agent of polypyrrole (PPy) and anticancer drug doxorubicin (DOX) (HA/DOX@PPy NGs) for tumor homing and combination photothermo-chemotherapy. Methods: Cystamine dihydrochloride-crosslinked HA NGs were first prepared through a double emulsification method, then loaded with PPy via an in-situ oxidization polymerization and physically encapsulated with DOX. The created HA/DOX@PPy NGs were well characterized and subjected to be endocytosed by MAs (MAs-NGs). The MAs-mediated tumor-homing property, phenotype changes and photothermal performance of MAs-NGs were investigated in vitro, and a subcutaneous tumor model was also established to confirm their targeting capability and enhanced antitumor therapy effect in vivo. Results: The generated hybrid NGs possess a size around 77 nm and good colloidal stability, and can be specifically endocytosed by MAs without appreciably affecting their normal biofunctionalities. In particular, NG-loaded MAs display excellent in-vitro cancer cell and in-vivo tumor homing property. Systemic administration of the MAs-NGs leads to the significant inhibition of a subcutaneous tumor model through combination photothermo-chemotherapy under laser irradiation. Conclusions: The developed hybrid HA-based NG nanosystem incorporated with PPy and DOX fully integrates the coordination and heating property of PPy to regulate the optimized DOX release in the tumor region with the assistance of MA-mediated tumor homing, providing a promising cell therapy strategy for enhanced antitumor therapy.
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Affiliation(s)
| | | | | | | | - Xiangyang Shi
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People's Republic of China
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Wu T, Gao J, Liu W, Cui J, Yang M, Guo W, Wang FY. NLRP3 protects mice from radiation-induced colon and skin damage via attenuating cGAS-STING signaling. Toxicol Appl Pharmacol 2021; 418:115495. [PMID: 33741346 DOI: 10.1016/j.taap.2021.115495] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 03/12/2021] [Accepted: 03/14/2021] [Indexed: 10/21/2022]
Abstract
In the present study, the effects of NLRP3 on radiation-induced tissue damage, including colon and skin damage in mice, and the possible mechanisms were explored in vivo and in vitro. The mice were subjected to whole abdomen radiation by timed exposure to X-ray at a cumulative dose of 14 Gy. The survival rate showed that NLRP3 deficiency increased the mortality rate in mice. Furthermore, colon damage, evaluated by H&E staining and barrier function analysis, were significantly aggravated by NLRP3 deficiency. Enhanced phosphorylation of p-TBK1 and p-IRF3 in colonic tissue as well as elevated IFN-β levels in the serum indicated hyperactivation of cGAS-STING signaling. Moreover, radiation-induced expression of p-TBK1, p-IRF3, and IFN-β in BMDMs increased in vitro after NLRP3 knockout. Thus, our study outcomes suggest that NLRP3 may protect mice from radiation-induced tissue damage via attenuating cGAS-STING signaling.
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Affiliation(s)
- Tiancong Wu
- Department of Gastroenterology and Hepatology, Jinling Hospital, The First School of Clinical Medicine, Southern Medical University, Nanjing 210002, China; Jinling Hospital, Department of Radiation Oncology, Nanjing University, School Medicine, Nanjing 210002, China
| | - Jianhua Gao
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Science, Nanjing University, Nanjing 210093, China
| | - Wen Liu
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Science, Nanjing University, Nanjing 210093, China
| | - Jian Cui
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Science, Nanjing University, Nanjing 210093, China
| | - Miaofang Yang
- Department of Gastroenterology and Hepatology, Jinling Hospital, Medical School of Nanjing University, 305 Zhongshan East Road, Nanjing 210002, Jiangsu Province, China
| | - Wenjie Guo
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Science, Nanjing University, Nanjing 210093, China.
| | - Fang-Yu Wang
- Department of Gastroenterology and Hepatology, Jinling Hospital, The First School of Clinical Medicine, Southern Medical University, Nanjing 210002, China; Department of Gastroenterology and Hepatology, Jinling Hospital, Medical School of Nanjing University, 305 Zhongshan East Road, Nanjing 210002, Jiangsu Province, China.
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Feltham T, Paudel S, Lobao M, Schon L, Zhang Z. Low-Intensity Pulsed Ultrasound Suppresses Synovial Macrophage Infiltration and Inflammation in Injured Knees in Rats. Ultrasound Med Biol 2021; 47:1045-1053. [PMID: 33423862 DOI: 10.1016/j.ultrasmedbio.2020.12.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 12/14/2020] [Accepted: 12/16/2020] [Indexed: 06/12/2023]
Abstract
This study was designed to investigate how low-intensity pulsed ultrasound (LIPUS) suppresses traumatic joint inflammation and thereafter affects the progression of posttraumatic osteoarthritis. Intra-articular fracture (IAF) was created in the right knee of rats. LIPUS was applied to the knees with IAFs for 20 min/d for 2 wk-LIPUS(+) group. The study controls included rats that underwent sham surgery but no LIPUS treatment (control group) or underwent IAF surgery without LIPUS treatment-LIPUS(-) group. By histology, at 4 wk, leukocyte infiltration in the synovium was reduced in the LIPUS(+) group. Furthermore, LIPUS treatment reduced CD68+ macrophages in the synovium and limited their distribution mostly in the subintimal synovium. Measured with enzyme-linked immunosorbent assay, interleukin-1β (IL-1β) in the joint fluid of the LIPUS(+) group was reduced to about one-third that in the LIPUS(-) group. By reducing synovial macrophages and lowering IL-1β in the joint fluid, LIPUS is potentially therapeutic for posttraumatic osteoarthritis.
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Affiliation(s)
- Tyler Feltham
- Philadelphia College of Osteopathic Medicine-Georgia, Suwanee, Georgia, USA
| | - Sharada Paudel
- Frederick National Laboratory for Cancer Research, Frederick, Maryland, USA
| | - Mario Lobao
- Columbia Medical Center, Columbia University, New York, New York, USA
| | - Lew Schon
- Institute for Foot & Ankle Reconstruction, Mercy Medical Center, Baltimore, Maryland, USA
| | - Zijun Zhang
- Center for Orthopaedic Innovation, Mercy Medical Center, Baltimore, Maryland, USA.
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Okano J, Nakae Y, Nakagawa T, Katagi M, Terashima T, Nagakubo D, Nakayama T, Yoshie O, Suzuki Y, Kojima H. A novel role for bone marrow-derived cells to recover damaged keratinocytes from radiation-induced injury. Sci Rep 2021; 11:5653. [PMID: 33707490 PMCID: PMC7952382 DOI: 10.1038/s41598-021-84818-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 02/22/2021] [Indexed: 11/16/2022] Open
Abstract
Exposure to moderate doses of ionizing radiation (IR), which is sufficient for causing skin injury, can occur during radiation therapy as well as in radiation accidents. Radiation-induced skin injury occasionally recovers, although its underlying mechanism remains unclear. Moderate-dose IR is frequently utilized for bone marrow transplantation in mice; therefore, this mouse model can help understand the mechanism. We had previously reported that bone marrow-derived cells (BMDCs) migrate to the epidermis-dermis junction in response to IR, although their role remains unknown. Here, we investigated the role of BMDCs in radiation-induced skin injury in BMT mice and observed that BMDCs contributed to skin recovery after IR-induced barrier dysfunction. One of the important mechanisms involved the action of CCL17 secreted by BMDCs on irradiated basal cells, leading to accelerated proliferation and recovery of apoptosis caused by IR. Our findings suggest that BMDCs are key players in IR-induced skin injury recovery.
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Affiliation(s)
- Junko Okano
- Department of Plastic and Reconstructive Surgery, Shiga University of Medical Science, Shiga, Japan.
| | - Yuki Nakae
- Department of Stem Cell Biology and Regenerative Medicine, Shiga University of Medical Science, Shiga, Japan
| | | | - Miwako Katagi
- Department of Stem Cell Biology and Regenerative Medicine, Shiga University of Medical Science, Shiga, Japan
| | - Tomoya Terashima
- Department of Stem Cell Biology and Regenerative Medicine, Shiga University of Medical Science, Shiga, Japan
| | - Daisuke Nagakubo
- Faculty of Pharmaceutical Sciences, Division of Health and Hygienic Sciences, Himeji Dokkyo University, Hyogo, Japan
| | - Takashi Nakayama
- Division of Chemotherapy, Faculty of Pharmacy, Kindai University, Osaka, Japan
| | | | - Yoshihisa Suzuki
- Department of Plastic and Reconstructive Surgery, Shiga University of Medical Science, Shiga, Japan
| | - Hideto Kojima
- Department of Stem Cell Biology and Regenerative Medicine, Shiga University of Medical Science, Shiga, Japan
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Liao WT, Hung CH, Liang SS, Yu S, Lu JH, Lee CH, Chai CY, Yu HS. Anti-Inflammatory Effects Induced by Near-Infrared Light Irradiation through M2 Macrophage Polarization. J Invest Dermatol 2021; 141:2056-2066.e10. [PMID: 33676947 DOI: 10.1016/j.jid.2020.11.035] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 10/27/2020] [Accepted: 11/18/2020] [Indexed: 11/18/2022]
Abstract
Near-infrared (NIR) can penetrate the dermis. NIR is able to regulate cutaneous component cells and immune cells and shows significant anti-inflammatory therapeutic effects. However, the mechanisms of these effects are largely unknown. The purpose of this study is to elucidate NIR-induced molecular mechanisms on macrophages because macrophages play initial roles in directing immune responses by their M1 or M2 polarizations. Proteomic analysis revealed that NIR radiation enhanced the expression of mitochondrial respiratory gene citrate synthase. This increased citrate synthase expression was triggered by NIR-induced H3K4 hypermethylation on the citrate synthase gene promoter but not by heat, which led to macrophage M2 polarization and finally resulted in TGFβ1 release from CD4+ cells. These cellular effects were validated in human primary macrophages and abdominal NIR-irradiated mouse experiments. In a phorbol 12-myristate 13-acetate‒induced inflammatory model on mouse ear, we confirmed that NIR irradiation induced significant anti-inflammatory effects through decreased M1 counts, reduced TNF-α, and increased CCL22 and/or TGFβ1 levels.
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Affiliation(s)
- Wei-Ting Liao
- Department of Biotechnology, College of Life Science, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung, Taiwan; Department of Medical Research, Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chih-Hsing Hung
- Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Pediatrics, Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Pediatrics, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Shih-Shin Liang
- Department of Biotechnology, College of Life Science, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Sebastian Yu
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Dermatology, Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Jian-He Lu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chih-Hung Lee
- Department of Dermatology, Kaohsiung Chang Gung Memorial Hospital of the C.G.M.F., Kaohsiung, Taiwan
| | - Chee-Yin Chai
- Department of Pathology, Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Hsin-Su Yu
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Dermatology, Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; National Institute of Environmental Health Sciences, National Health Research Institutes, Zhunan, Taiwan.
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Mikhalkevich N, O’Carroll IP, Tkavc R, Lund K, Sukumar G, Dalgard CL, Johnson KR, Li W, Wang T, Nath A, Iordanskiy S. Response of human macrophages to gamma radiation is mediated via expression of endogenous retroviruses. PLoS Pathog 2021; 17:e1009305. [PMID: 33556144 PMCID: PMC7895352 DOI: 10.1371/journal.ppat.1009305] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 02/19/2021] [Accepted: 01/11/2021] [Indexed: 01/11/2023] Open
Abstract
Ionizing radiation-induced tissue damage recruits monocytes into the exposed area where they are differentiated to macrophages. These implement phagocytic removal of dying cells and elicit an acute inflammatory response, but can also facilitate tumorigenesis due to production of anti-inflammatory cytokines. Using primary human monocyte-derived macrophages (MDMs) and the THP1 monocytic cell line, we demonstrate that gamma radiation triggers monocyte differentiation toward the macrophage phenotype with increased expression of type I interferons (IFN-I) and both pro- and anti-inflammatory macrophage activation markers. We found that these changes correlate with significantly upregulated expression of 622 retroelements from various groups, particularly of several clades of human endogenous retroviruses (HERVs). Elevated transcription was detected in both sense and antisense directions in the HERV subgroups tested, including the most genetically homogeneous clade HML-2. The level of antisense transcription was three- to five-fold higher than of the sense strand levels. Using a proximity ligation assay and immunoprecipitation followed by RNA quantification, we identified an increased amount of the dsRNA receptors MDA-5 and TLR3 bound to an equivalent number of copies of sense and antisense chains of HERVK HML-2 RNA. This binding triggered MAVS-associated signaling pathways resulting in increased expression of IFN-I and inflammation related genes that enhanced the cumulative inflammatory effect of radiation-induced senescence. HML-2 knockdown was accompanied with reduced expression and secretion of IFNα, pro-inflammatory (IL-1β, IL-6, CCL2, CCL3, CCL8, and CCL20) and anti-inflammatory (IL10) modulators in irradiated monocytes and MDMs. Taken together, our data indicate that radiation stress-induced HERV expression enhances the IFN-I and cytokine response and results in increased levels of pro-inflammatory modulators along with expression of anti-inflammatory factors associated with the macrophage tumorigenic phenotype. Ionizing radiation is a powerful stressogenic factor that induces massive cell damage. The signals released from radiation-damaged tissues recruit the monocytes, which are differentiated into macrophages that remove dying cells via phagocytosis and facilitate inflammation but can also contribute to tumorigenesis through anti-inflammatory and regenerative activities. The mechanism of this dual response of macrophages to irradiation is not fully understood. Using primary human macrophages and a monocytic cell line, we demonstrated that gamma radiation doses activate expression of various human endogenous retroviruses (HERVs). At the molecular level, we have shown that increased numbers of sense and antisense transcripts of tested HERV subgroups bind to double-stranded RNA receptors inducing the expression of type I interferons, multiple pro-inflammatory and some anti-inflammatory factors. At the phenotypic level, polarized macrophages exhibit a potent inflammatory response along with potentially tumorigenic characteristics. Our data suggest that endogenous retroviruses represent an important contributor of the macrophage-mediated inflammation in response to radiation-induced stress but may also indirectly influence tumorigenesis via biased macrophage polarization.
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Affiliation(s)
- Natallia Mikhalkevich
- Department of Pharmacology & Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, Maryland, United States of America
| | - Ina P. O’Carroll
- Department of Chemistry, United States Naval Academy, Annapolis, Maryland, United States of America
| | - Rok Tkavc
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland, United States of America
| | - Kateryna Lund
- Biomedical Instrumentation Center, Uniformed Services University of the Health Sciences, Bethesda, Maryland, United States of America
| | - Gauthaman Sukumar
- The American Genome Center (TAGC), Collaborative Health Initiative Research Program, Uniformed Services University of the Health Sciences, Bethesda, Maryland, United States of America
| | - Clifton L. Dalgard
- The American Genome Center (TAGC), Collaborative Health Initiative Research Program, Uniformed Services University of the Health Sciences, Bethesda, Maryland, United States of America
- Department of Anatomy, Physiology & Genetics, Uniformed Services University of the Health Sciences, Bethesda, Maryland, United States of America
| | - Kory R. Johnson
- Bioinformatics Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Wenxue Li
- Section of Infections of the Nervous System, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Tongguang Wang
- Section of Infections of the Nervous System, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Avindra Nath
- Section of Infections of the Nervous System, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, United States of America
- * E-mail: (AN); (SI)
| | - Sergey Iordanskiy
- Department of Pharmacology & Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, Maryland, United States of America
- * E-mail: (AN); (SI)
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10
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Xiong X, Lin Y, Lee J, Paul A, Yechoor V, Figueiro M, Ma K. Chronic circadian shift leads to adipose tissue inflammation and fibrosis. Mol Cell Endocrinol 2021; 521:111110. [PMID: 33285245 PMCID: PMC7799174 DOI: 10.1016/j.mce.2020.111110] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 11/11/2020] [Accepted: 12/01/2020] [Indexed: 12/13/2022]
Abstract
The circadian clock exerts temporal coordination of metabolic pathways. Clock disruption is intimately linked with the development of obesity and insulin resistance, and our previous studies found that the essential clock transcription activator, Brain and Muscle Arnt-like 1 (Bmal1), is a key regulator of adipogenesis. However, the metabolic consequences of chronic shiftwork on adipose tissues have not been clearly defined. Here, using an environmental lighting-induced clock disruption that mimics rotating shiftwork schedule, we show that chronic clock dysregulation for 6 months in mice resulted in striking adipocyte hypertrophy with adipose tissue inflammation and fibrosis. Both visceral and subcutaneous depots display enlarged adipocyte with prominent crown-like structures indicative of macrophage infiltration together with evidence of extracellular matrix remodeling. Global transcriptomic analyses of these fat depots revealed that shiftwork resulted in up-regulations of inflammatory, adipogenic and angiogenic pathways with disruption of normal time-of-the-day-dependent regulation. These changes in adipose tissues are associated with impaired insulin signaling in mice subjected to shiftwork, together with suppression of the mTOR signaling pathway. Taken together, our study identified the significant adipose depot dysfunctions induced by chronic shiftwork regimen that may underlie the link between circadian misalignment and insulin resistance.
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Affiliation(s)
- Xuekai Xiong
- Department of Diabetes Complications & Metabolism, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Yayu Lin
- Department of Diabetes Complications & Metabolism, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Jeongkyung Lee
- Diabetes and Beta Cell Biology Center, Division of Endocrinology, Diabetes & Metabolism, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Antonio Paul
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY, 12208, USA
| | - Vijay Yechoor
- Diabetes and Beta Cell Biology Center, Division of Endocrinology, Diabetes & Metabolism, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Mariana Figueiro
- Lighting Research Center, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Ke Ma
- Department of Diabetes Complications & Metabolism, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA.
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11
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Abstract
Carbon monoxide (CO) is a gaseous signaling molecule produced in humans via the breakdown of heme in an O2-dependent reaction catalyzed by heme oxygenase enzymes. A long-lived species relative to other signaling molecules (e.g., NO, H2S), CO exerts its physiological effects via binding to low-valent transition metal centers in proteins and enzymes. Studies involving the administration of low doses of CO have shown its potential as a therapeutic agent to produce vasodilation, anti-inflammatory, antiapoptotic, and anticancer effects. In pursuit of developing tools to define better the role and therapeutic potential of CO, carbon monoxide releasing molecules (CORMs) were developed. To date, the vast majority of reported CORMs have been metal carbonyl complexes, with the most well-known being Ru2Cl4(CO)6 (CORM-2), Ru(CO)3Cl(glycinate) (CORM-3), and Mn(CO)4(S2CNMe(CH2CO2H)) (CORM-401). These complexes have been used to probe the effects of CO in hundreds of cell- and animal-based experiments. However, through recent investigations, it has become evident that these reagents exhibit complicated reactivity in biological environments. The interpretation of the effects produced by some of these complexes is obscured by protein binding, such that their formulation is not clear, and by CO leakage and potential redox activity. An additional weakness with regard to CORM-2 and CORM-3 is that these compounds cannot be tracked via fluorescence. Therefore, it is unclear where or when CO release occurs, which confounds the interpretation of experiments using these molecules. To address these weaknesses, our research team has pioneered the development of metal-free CORMs based on structurally tunable extended flavonol or quinolone scaffolds. In addition to being highly controlled, with CO release only occurring upon triggering with visible light (photoCORMs), these CO donors are trackable via fluorescence prior to CO release in cellular environments and can be targeted to specific cellular locations.In the Account, we highlight the development and application of a series of structurally related flavonol photoCORMs that (1) sense characteristics of cellular environments prior to CO release; (2) enable evaluation of the influence of cytosolic versus mitochondrial-localized CO release on cellular bioenergetics; (3) probe the cytotoxicity and anti-inflammatory effects of intracellular versus extracellular CO delivery; and (4) demonstrate that albumin delivery of a photoCORM enables potent anticancer and anti-inflammatory effects. A key advantage of using triggered CO release compounds in these investigations is the ability to examine the effects of the molecular delivery vehicle in the absence and presence of localized CO release, thus providing insight into the independent contributions of CO. Overall, flavonol-based CO delivery molecules offer opportunities for triggerable, trackable, and targetable CO delivery that are unprecedented in terms of previously reported CORMs and, thus, offer significant potential for applications in biological systems.
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Affiliation(s)
- Livia S Lazarus
- Department of Chemistry & Biochemistry, Utah State University, 0300 Old Main Hill, Logan, Utah 84322-0300, United States
| | - Abby D Benninghoff
- Department of Animal, Dairy and Veterinary Sciences, Utah State University, 4815 Old Main Hill, Logan, Utah 84322-4815, United States
| | - Lisa M Berreau
- Department of Chemistry & Biochemistry, Utah State University, 0300 Old Main Hill, Logan, Utah 84322-0300, United States
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12
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Huth L, Marquardt Y, Heise R, Fietkau K, Baron JM, Huth S. Biological Effects of Hyaluronic Acid-Based Dermal Fillers and Laser Therapy on Human Skin Models. J Drugs Dermatol 2020; 19:897-899. [PMID: 33026754 DOI: 10.36849/jdd.2020.10.36849/jdd.2020.4856] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Injection of dermal fillers is one of the most frequently performed aesthetic procedures. The aim of the present study was to investigate the biological effects of different stabilized hyaluronan (HA) and poly-l-lactic acid fillers with and without subsequent additional fractional laser co-treatment on skin morphology and gene expression. Intradermal injection resulted in a significant enhancement of epidermal thickness detected by histological analysis. Combining HA fillers with ablative fractional CO2- or Er:YAG laser irradiation enhanced this effect. Gene expression profiling revealed an upregulation of modulators of tissue remodeling (eg TIMP3, SERPIN E1) and collagens (COL11A1). On the other hand, we detected a downregulation of differentiation markers (eg FLG, LOR, KRT1) and proinflammatory cytokines (eg IL-36, IL-1β). Interestingly, HA-based fillers revealed a specific upregulation pattern of chemokines such as CXCL5 andCCL20 suggesting a secondary effect of these fillers on the immune cells of the skin, especially monocytes and macrophages. Taken together, our data show enhancing effects of dermal fillers on epidermal thickness and prove the proliferating effects of these products on epidermal cells on the molecular level. Moreover, our findings reveal synergistic effects of fractional ablative laser treatment and HA dermal filler injection suggesting a combination of both treatments. J Drugs Dermatol. 2020;19(9):897-899. doi:10.36849/JDD.2020.4856.
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13
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Huth L, Marquardt Y, Heise R, Fietkau K, Baron JM, Huth S. Biological Effects of Hyaluronic Acid-Based Dermal Fillers and Laser Therapy on Human Skin Models. J Drugs Dermatol 2020. [PMID: 33026754 DOI: 10.36849/jdd.2020.4856] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Injection of dermal fillers is one of the most frequently performed aesthetic procedures. The aim of the present study was to investigate the biological effects of different stabilized hyaluronan (HA) and poly-l-lactic acid fillers with and without subsequent additional fractional laser co-treatment on skin morphology and gene expression. Intradermal injection resulted in a significant enhancement of epidermal thickness detected by histological analysis. Combining HA fillers with ablative fractional CO2- or Er:YAG laser irradiation enhanced this effect. Gene expression profiling revealed an upregulation of modulators of tissue remodeling (eg TIMP3, SERPIN E1) and collagens (COL11A1). On the other hand, we detected a downregulation of differentiation markers (eg FLG, LOR, KRT1) and proinflammatory cytokines (eg IL-36, IL-1β). Interestingly, HA-based fillers revealed a specific upregulation pattern of chemokines such as CXCL5 andCCL20 suggesting a secondary effect of these fillers on the immune cells of the skin, especially monocytes and macrophages. Taken together, our data show enhancing effects of dermal fillers on epidermal thickness and prove the proliferating effects of these products on epidermal cells on the molecular level. Moreover, our findings reveal synergistic effects of fractional ablative laser treatment and HA dermal filler injection suggesting a combination of both treatments. J Drugs Dermatol. 2020;19(9):897-899. doi:10.36849/JDD.2020.4856.
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14
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Oweida AJ, Darragh L, Phan A, Binder D, Bhatia S, Mueller A, Court BV, Milner D, Raben D, Woessner R, Heasley L, Nemenoff R, Clambey E, Karam SD. STAT3 Modulation of Regulatory T Cells in Response to Radiation Therapy in Head and Neck Cancer. J Natl Cancer Inst 2020; 111:1339-1349. [PMID: 30863843 DOI: 10.1093/jnci/djz036] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 01/25/2019] [Accepted: 03/11/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Radioresistance represents a major problem in the treatment of head and neck cancer (HNC) patients. To improve response, understanding tumor microenvironmental factors that contribute to radiation resistance is important. Regulatory T cells (Tregs) are enriched in numerous cancers and can dampen the response to radiation by creating an immune-inhibitory microenvironment. The purpose of this study was to investigate mechanisms of Treg modulation by radiation in HNC. METHODS We utilized an orthotopic mouse model of HNC. Anti-CD25 was used for Treg depletion. Image-guided radiation was delivered to a dose of 10 Gy. Flow cytometry was used to analyze abundance and function of intratumoral immune cells. Enzyme-linked immunosorbent assay was performed to assess secreted factors. For immune-modulating therapies, anti-PD-L1, anti-CTLA-4, and STAT3 antisense oligonucleotide (ASO) were used. All statistical tests were two-sided. RESULTS Treatment with anti-CD25 and radiation led to tumor eradication (57.1%, n = 4 of 7 mice), enhanced T-cell cytotoxicity compared with RT alone (CD4 effector T cells [Teff]: RT group mean = 5.37 [ 0.58] vs RT + αCD25 group mean =10.71 [0.67], P = .005; CD8 Teff: RT group mean = 9.98 [0.81] vs RT + αCD25 group mean =16.88 [2.49], P = .01) and induced tumor antigen-specific memory response (100.0%, n = 4 mice). In contrast, radiation alone or when combined with anti-CTLA4 did not lead to durable tumor control (0.0%, n = 7 mice). STAT3 inhibition in combination with radiation, but not as a single agent, improved tumor growth delay, decreased Tregs, myeloid-derived suppressor cells, and M2 macrophages and enhanced effector T cells and M1 macrophages. Experiments in nude mice inhibited the benefit of STAT3 ASO and radiation. CONCLUSION We propose that STAT3 inhibition is a viable and potent therapeutic target against Tregs. Our data support the design of clinical trials integrating STAT3 ASO in the standard of care for cancer patients receiving radiation.
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15
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Wang X, Wu X, Qin J, Ye K, Lai F, Li B, He G, Lu X, Brett DJL, Parkin IP. Differential Phagocytosis-Based Photothermal Ablation of Inflammatory Macrophages in Atherosclerotic Disease. ACS Appl Mater Interfaces 2019; 11:41009-41018. [PMID: 31599564 DOI: 10.1021/acsami.9b12258] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Inflammatory macrophage (Mφ)-mediated atherosclerosis is a leading cause of mortality and morbidity worldwide. Photothermal therapy (PTT) has been demonstrated as an efficient strategy in killing target cells, and its application in the treatment of inflammation in atherosclerosis is developing. However, the choice of nanomaterials, mechanisms, and side effects are seldom considered. In this study, semiconductor nanomaterials, that is, MoO2 nanoclusters, were synthesized and used for the first time in PTT for inflammatory Mφ-mediated atherosclerosis. Based on cell differential phagocytosis, the optimum amount of MoO2 and treatment time were selected to exert the maximum ablation effect on Mφ and minimal damage on endothelial cells without requiring additional target or selective groups. Moreover, MoO2-based PTT shows an excellent therapeutic effect on atherosclerosis by eliminating Mφ in animal models, with no significant side effects observed. This study explores a new method of nanotechnology and pharmaceutical development by using and optimizing cost-effective metal oxide nanostructures in the treatment of atherosclerosis and motivates further research on minimizing the side effects of related materials.
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Affiliation(s)
- Xin Wang
- Department of Vascular Surgery, Shanghai Ninth People's Hospital , Shanghai Jiao Tong University School of Medicine , Shanghai 200011 , China
| | - Xiaoyu Wu
- Department of Vascular Surgery, Shanghai Ninth People's Hospital , Shanghai Jiao Tong University School of Medicine , Shanghai 200011 , China
| | - Jinbao Qin
- Department of Vascular Surgery, Shanghai Ninth People's Hospital , Shanghai Jiao Tong University School of Medicine , Shanghai 200011 , China
| | - Kaichuang Ye
- Department of Vascular Surgery, Shanghai Ninth People's Hospital , Shanghai Jiao Tong University School of Medicine , Shanghai 200011 , China
| | - Feili Lai
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science , Fudan University , Shanghai 200433 , China
| | - Bo Li
- Department of Vascular Surgery, Shanghai Ninth People's Hospital , Shanghai Jiao Tong University School of Medicine , Shanghai 200011 , China
| | - Guanjie He
- Christopher Ingold Laboratory, Department of Chemistry , University College London , London WC1E 7JE , U.K
| | - Xinwu Lu
- Department of Vascular Surgery, Shanghai Ninth People's Hospital , Shanghai Jiao Tong University School of Medicine , Shanghai 200011 , China
| | - Dan J L Brett
- Department of Chemical Engineering , University College London , London WC1H 0AJ , U.K
| | - Ivan P Parkin
- Christopher Ingold Laboratory, Department of Chemistry , University College London , London WC1E 7JE , U.K
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16
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Gholamin S, Youssef OA, Rafat M, Esparza R, Kahn S, Shahin M, Giaccia AJ, Graves EE, Weissman I, Mitra S, Cheshier SH. Irradiation or temozolomide chemotherapy enhances anti-CD47 treatment of glioblastoma. Innate Immun 2019; 26:130-137. [PMID: 31547758 PMCID: PMC7016411 DOI: 10.1177/1753425919876690] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Irradiation and temozolomide (TMZ) chemotherapy are the current standard treatments for glioblastoma multiforme (GBM), but they are associated with toxicity and limited efficacy. Recently, these standard therapies have been used to enhance immunotherapy against GBM. Immunotherapy using the anti-CD47 (immune checkpoint inhibitor) treatment has shown promise in treating multiple tumor types, including GBM. The goal of this current work was to test whether irradiation or TMZ chemotherapy could enhance anti-CD47 treatment against GBM. Our results showed that irradiation and TMZ each significantly enhanced anti-CD47-mediated phagocytosis of GBM cells in vitro. Furthermore, mice engrafted with human GBM that received anti-CD47 combined with focal irradiation or TMZ treatment showed a significant increase in the survival rate compared to those that received a single treatment. The tumor growth in mice that received both anti-CD47 and irradiation was significantly less than that of groups that received either anti-CD47 or focal irradiation. The results from this study may support future use of anti-CD47 treatment in combination with irradiation or chemotherapy to enhance the therapeutic efficacy of GBM treatment.
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Affiliation(s)
- Sharareh Gholamin
- Division of Pediatric Neurosurgery, Department of Neurosurgery, Lucile Packard Children’s Hospital, Stanford University School of Medicine, USA
- Institute for Stem Cell Biology and Regenerative Medicine and the Stanford Ludwig Cancer Center, Stanford University School of Medicine, USA
| | - Osama A Youssef
- Division of Pediatric Neurosurgery, Department of Neurosurgery, Huntsman Cancer Institute, School of Medicine, University of Utah, USA
| | - Marjan Rafat
- Department of Radiation Oncology, Stanford University, USA
| | - Rogelio Esparza
- Division of Pediatric Neurosurgery, Department of Neurosurgery, Lucile Packard Children’s Hospital, Stanford University School of Medicine, USA
| | - Suzana Kahn
- Division of Pediatric Neurosurgery, Department of Neurosurgery, Lucile Packard Children’s Hospital, Stanford University School of Medicine, USA
- Institute for Stem Cell Biology and Regenerative Medicine and the Stanford Ludwig Cancer Center, Stanford University School of Medicine, USA
| | - Maryam Shahin
- Department of Radiation Oncology, Stanford University, USA
| | | | | | - Irving Weissman
- Institute for Stem Cell Biology and Regenerative Medicine and the Stanford Ludwig Cancer Center, Stanford University School of Medicine, USA
| | - Siddhartha Mitra
- Division of Pediatric Neurosurgery, Department of Neurosurgery, Lucile Packard Children’s Hospital, Stanford University School of Medicine, USA
- Institute for Stem Cell Biology and Regenerative Medicine and the Stanford Ludwig Cancer Center, Stanford University School of Medicine, USA
- Department of Pediatrics, Hematology/Oncology/Bone Marrow Transplant Research Laboratories, Children’s Hospital Colorado, University of Colorado, School of Medicine, USA
| | - Samuel H Cheshier
- Division of Pediatric Neurosurgery, Department of Neurosurgery, Lucile Packard Children’s Hospital, Stanford University School of Medicine, USA
- Institute for Stem Cell Biology and Regenerative Medicine and the Stanford Ludwig Cancer Center, Stanford University School of Medicine, USA
- Division of Pediatric Neurosurgery, Department of Neurosurgery, Huntsman Cancer Institute, School of Medicine, University of Utah, USA
- Samuel H Cheshier, Division of Pediatric Neurosurgery, Department of Neurosurgery, School of Medicine, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84113, USA.
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17
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Yamaguchi M, Ohnuki K, Hotta K, Fujii H. MR signal changes in superparamagnetic iron oxide nanoparticle-labeled macrophages in response to X irradiation. NMR Biomed 2019; 32:e4132. [PMID: 31305958 DOI: 10.1002/nbm.4132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 04/16/2019] [Accepted: 05/21/2019] [Indexed: 06/10/2023]
Abstract
To investigate whether MR signals associated with macrophages labeled with superparamagnetic iron oxide nanoparticles (SPIONs) change in response to X irradiation, we performed in vitro MRI of SPION-labeled macrophage-like J774A.1 cells that were subsequently X irradiated. We labeled the cells with ferucarbotran at a concentration of 10 μg iron/mL in culture medium for 16 h and subsequently performed X irradiation at doses of 0, 2, 10, or 20 Gy using a low-energy X-ray unit. On Days 3 and 6, we suspended the cells in agar at a concentration of 2 × 106 cells/mL and acquired multi-gradient echo and multi-spin echo images of the cell samples using a 3 T scanner to estimate R2 * and R2 . In addition, we microscopically investigated the relationship among the MR signal changes, intracellular SPIONs, and acidic organelles. Our data showed that X irradiation of labeled cells caused increased SPION deposition in lysosomes compared with the non-irradiated control. On Day 3, R2 * and R2 values in the 0 to 10 Gy irradiated samples were dose-dependently increased 5.4- and 1.5-fold compared with 17 ± 2 and 13 ± 1/s, respectively, in the non-irradiated control; these values plateaued at more than 10 Gy. Although the increases in R2 *, R2 , and SPION deposition were still observed in the 10 and 20 Gy samples on Days 6 and 7, the 2 Gy samples showed recovery in these parameters as cell growth was restored. Acidic organelles were temporarily increased in the irradiated cells, which suggests that the reduction in lysosomal acidity was not attributable to SPION deposition. In conclusion, X irradiation of macrophages can cause SPION deposition and R2 * and R2 elevation in a specific dose range. MRI of SPION-labeled and subsequently X-irradiated macrophages may be utilized as a novel technique for investigating macrophage responses to X irradiation.
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Affiliation(s)
- Masayuki Yamaguchi
- Division of Functional Imaging, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa, Chiba, Japan
| | - Kazunobu Ohnuki
- Division of Functional Imaging, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa, Chiba, Japan
| | - Kenji Hotta
- Division of Radiation Oncology and Particle Therapy, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa, Chiba, Japan
| | - Hirofumi Fujii
- Division of Functional Imaging, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa, Chiba, Japan
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18
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Tabraue C, Lara PC, De Mirecki-Garrido M, De La Rosa JV, López-Blanco F, Fernández-Pérez L, Boscá L, Castrillo A. LXR Signaling Regulates Macrophage Survival and Inflammation in Response to Ionizing Radiation. Int J Radiat Oncol Biol Phys 2019; 104:913-923. [PMID: 30922944 DOI: 10.1016/j.ijrobp.2019.03.028] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 02/19/2019] [Accepted: 03/17/2019] [Indexed: 02/07/2023]
Abstract
PURPOSE To evaluate the role of liver X receptor (LXR) nuclear receptors on irradiation-induced cell death and polarization of macrophages and the potential implications in the context of radiation therapy treatment of cancer. METHODS AND MATERIALS Primary and immortalized murine bone marrow-derived macrophages (BMDMs) from wild type or LXR double knock-out mice were exposed to gamma irradiation. Subsequently, analysis of LXR signaling on cell proliferation and cytotoxicity induced by ionizing radiation was determined by time-lapse photomicroscopy. Genotoxic cell damage was evaluated by Western blot of γ-H2AX and p53. Pyroptosis was analyzed through cell viability assay, lactate dehydrogenase release assay, and Western blot of caspase-1 active protein. Expression of inflammatory markers was measured by real-time quantitative polymerase chain reaction. RESULTS Genetic and pharmacologic inactivation of LXR induced radiosensitivity of macrophages. LXR deficiency decreased cell proliferation and enhanced cytotoxicity induced by ionizing radiation in both immortalized and primary BMDMs. Protein levels of γ-H2AX and p53, both involved in response to cell damage, were exacerbated in LXR-deficient macrophages exposed to irradiation. Cell membrane damage was augmented and cell viability was decreased in LXR-deficient macrophages compared with LXR wild type macrophages in response to irradiation. In addition, LXR deficiency enhanced both caspase-1 activation and lactate dehydrogenase release in BMDM exposed inflammasome activators. LXR inactivation or deficiency markedly increased the expression of proinflammatory markers IL-1β, IL-6, and inducible nitric oxide synthase in irradiated macrophages. CONCLUSIONS The present work identifies LXR transcription factors as potential therapeutic targets to enhance the suppressive effects of radiation therapy on tumor growth through induction of macrophage cell death and activation of the inflammatory cascade.
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Affiliation(s)
- Carlos Tabraue
- Instituto Universitario de Investigaciones Biomédicas y Sanitarias (IUIBS) - Grupo de Investigación Medio Ambiente y Salud (GIMAS) - Unidad de Biomedicina Asociada al Consejo Superior de Investigaciones Científicas (Instituto de Investigaciones Biomédicas "Alberto Sols", CSIC), Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain; Departamento de Morfología, Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain.
| | - Pedro C Lara
- Universidad Fernando Pessoa Canarias, Las Palmas de Gran Canaria, Spain; Departamento de Oncología, Hospital Universitario San Roque, Las Palmas de Gran Canaria, Spain
| | - Mercedes De Mirecki-Garrido
- Instituto Universitario de Investigaciones Biomédicas y Sanitarias (IUIBS) - Farmacología Molecular y Traslacional - Departamento de Ciencias Clínicas, Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
| | - Juan Vladimir De La Rosa
- Instituto Universitario de Investigaciones Biomédicas y Sanitarias (IUIBS) - Grupo de Investigación Medio Ambiente y Salud (GIMAS) - Unidad de Biomedicina Asociada al Consejo Superior de Investigaciones Científicas (Instituto de Investigaciones Biomédicas "Alberto Sols", CSIC), Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
| | - Félix López-Blanco
- Instituto Universitario de Investigaciones Biomédicas y Sanitarias (IUIBS) - Grupo de Investigación Medio Ambiente y Salud (GIMAS) - Unidad de Biomedicina Asociada al Consejo Superior de Investigaciones Científicas (Instituto de Investigaciones Biomédicas "Alberto Sols", CSIC), Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
| | - Leandro Fernández-Pérez
- Instituto Universitario de Investigaciones Biomédicas y Sanitarias (IUIBS) - Farmacología Molecular y Traslacional - Departamento de Ciencias Clínicas, Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
| | - Lisardo Boscá
- Instituto Universitario de Investigaciones Biomédicas y Sanitarias (IUIBS) - Grupo de Investigación Medio Ambiente y Salud (GIMAS) - Unidad de Biomedicina Asociada al Consejo Superior de Investigaciones Científicas (Instituto de Investigaciones Biomédicas "Alberto Sols", CSIC), Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
| | - Antonio Castrillo
- Instituto Universitario de Investigaciones Biomédicas y Sanitarias (IUIBS) - Grupo de Investigación Medio Ambiente y Salud (GIMAS) - Unidad de Biomedicina Asociada al Consejo Superior de Investigaciones Científicas (Instituto de Investigaciones Biomédicas "Alberto Sols", CSIC), Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
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19
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Nunes NS, Chandran P, Sundby M, Visioli F, da Costa Gonçalves F, Burks SR, Paz AH, Frank JA. Therapeutic ultrasound attenuates DSS-induced colitis through the cholinergic anti-inflammatory pathway. EBioMedicine 2019; 45:495-510. [PMID: 31253515 PMCID: PMC6642284 DOI: 10.1016/j.ebiom.2019.06.033] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 06/05/2019] [Accepted: 06/18/2019] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Ulcerative Colitis (UC) is an Inflammatory Bowel Disease (IBD) characterized by uncontrolled immune response, diarrhoea, weight loss and bloody stools, where sustained remission is not currently achievable. Dextran Sulphate Sodium (DSS)-induced colitis is an animal model that closely mimics human UC. Ultrasound (US) has been shown to prevent experimental acute kidney injury through vagus nerve (VN) stimulation and activation of the cholinergic anti-inflammatory pathway (CAIP). Since IBD patients may present dysfunctional VN activity, our aim was to determine the effects of therapeutic ultrasound (TUS) in DSS-induced colitis. METHODS Acute colitis was induced by 2% DSS in drinking water for 7 days and TUS was administered to the abdominal area for 7 min/day from days 4-10. Clinical symptoms were analysed, and biological samples were collected for proteomics, macroscopic and microscopic analysis, flow cytometry and immunohistochemistry. FINDINGS TUS attenuated colitis by reducing clinical scores, colon shortening and histological damage, inducing proteomic tolerogenic response in the gut during the injury phase and early recovery of experimental colitis. TUS did not improve clinical and pathological outcomes in splenectomised mice, while α7nAChR (α7 nicotinic acetylcholine receptor - indicator of CAIP involvement) knockout animals presented with disease worsening. Increased levels of colonic F4/80+α7nAChR+ macrophages in wild type mice suggest CAIP activation. INTERPRETATION These results indicate TUS improved DSS-induced colitis through stimulation of the splenic nerve along with possible contribution by VN with CAIP activation. FUND: Intramural Research Programs of the Clinical Centre, the National Institute of Biomedical Imaging and Bioengineering at the NIH and CAPES/Brazil.
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Affiliation(s)
- Natalia Schneider Nunes
- Frank Laboratory, Radiology and Imaging Sciences, Clinical Centre, NIH, Bethesda, MD, United States; Gastroenterology and Hepatology Sciences Graduate Program, UFRGS, Porto Alegre, RS, Brazil.
| | - Parwathy Chandran
- Frank Laboratory, Radiology and Imaging Sciences, Clinical Centre, NIH, Bethesda, MD, United States
| | - Maggie Sundby
- Frank Laboratory, Radiology and Imaging Sciences, Clinical Centre, NIH, Bethesda, MD, United States
| | - Fernanda Visioli
- Faculty of Dentistry, Oral Pathology, UFRGS, Porto Alegre, RS, Brazil
| | | | - Scott Robert Burks
- Frank Laboratory, Radiology and Imaging Sciences, Clinical Centre, NIH, Bethesda, MD, United States
| | - Ana Helena Paz
- Gastroenterology and Hepatology Sciences Graduate Program, UFRGS, Porto Alegre, RS, Brazil
| | - Joseph Alan Frank
- Frank Laboratory, Radiology and Imaging Sciences, Clinical Centre, NIH, Bethesda, MD, United States; National Institute of Biomedical Imaging and Bioengineering, NIH, Bethesda, MD, United States
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20
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Dai C, Sun J, Zhang J, Liang Z, Wang Z, Hu X, Luo Z. [The 810 nm low-level laser inhibits the polarization of M1 bone marrow-derived macrophages to promote neuronal axon growth of dorsal root ganglion]. Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi 2019; 35:385-392. [PMID: 31223106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Objective To investigate the effect of low-level laser on the polarization and secretory phenotype of primary cultured M1 bone marrow-derived macrophages (BMDMs) in neuronal axons of dorsal root ganglion (DRG). Methods BMDMs were isolated and cultured, and lipopolysaccharide (LPS) combined with IFN-γ were used to induce M1 phenotype polarization of BMDMs, and then F4/80 and CD16/32 expression was detected by flow cytometry. The mature M1 type BMDMs were randomly divided into low-level laser group and control group. The laser exposure group was subjected to the laser treatments of 0.4J, 4J and 10J, and no laser was used in the control group. After 24 hours of laser exposure, the mRNA level of inducible nitric oxide synthase (iNOS) of M1 type BMDMs was detected by reverse transcription PCR, and the protein level of iNOS was detected by Western blot analysis. The levels of tumor necrosis factor alpha (TNF-α), interleukin-1β (IL-1β), brain-derived neurotrophic factor (BDNF) and nerve growth factor (NGF) in the supernatant of cultured cells were tested by ELISA. DRG neurons were cultured with the supernatant fluid of M1 type BMDMs, and immunofluorescence cytochemistry was employed to detect neuronal nuclei (NeuN) and β-tubulin III expression of DRG neurons for determining the influence on the growth of DRG neuronal axons. Results Compared with the control group, the mRNA level of iNOS in M1 type BMDMs dramatically increased after 24 hours of low-level laser exposure. Among the 3 groups with different energy levels, the decrease of iNOS mRNA level was the most obvious in the group with 4J laser exposure. The protein levels of iNOS in the groups with 0.4J- and 4J- laser exposure were reduced more significantly than that in the control group, and the down-regulation was more prominent in the group with 4J laser exposure than that with 0.4J laser exposure. In addition, the secretion of TNF-α from M1 type BMDMs was reduced more significantly in the groups of 4J- and 10J- laser exposure than that in the control group. With regard to IL-1β, its secretion was inhibited in all the laser exposure groups compared with the control group, and the suppression was more prominent in the groups of 0.4J- and 4J-laser exposure than that in the group of 10J-laser exposure. Furthermore, 4J-laser exposure significantly potentiated the secretion of BDNF and NGF in M1 type BMDMs compared with the control group. Moreover, co-culture with the supernatants from 4J- and 10J-laser exposure groups could significantly promote the growth of axons of DRG neurons. Conclusion Low-level laser exposure can inhibit the polarization of M1 type BMDM and the secretion of pro-inflammatory factor including TNF-α and IL-1β. Besides, low-level laser exposure could contribute to the secretion of neurotrophic factors including BDNF and NGF, and promote the growth of DRG axon, and this effect is dose-dependent.
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Affiliation(s)
- Chen Dai
- Xijing Orthopaedics Hospital, Air Force Medical University, Xi'an 710032, China
| | - Jiakai Sun
- Xijing Orthopaedics Hospital, Air Force Medical University, Xi'an 710032, China
| | - Jiawei Zhang
- Xijing Orthopaedics Hospital, Air Force Medical University, Xi'an 710032, China
| | - Zhuowen Liang
- Xijing Orthopaedics Hospital, Air Force Medical University, Xi'an 710032, China
| | - Zhe Wang
- Xijing Orthopaedics Hospital, Air Force Medical University, Xi'an 710032, China
| | - Xueyu Hu
- Xijing Orthopaedics Hospital, Air Force Medical University, Xi'an 710032, China. *Corresponding authors, E-mail:
| | - Zhuojing Luo
- Xijing Orthopaedics Hospital, Air Force Medical University, Xi'an 710032, China. *Corresponding authors, E-mail:
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21
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Rafat M, Aguilera TA, Vilalta M, Bronsart LL, Soto LA, von Eyben R, Golla MA, Ahrari Y, Melemenidis S, Afghahi A, Jenkins MJ, Kurian AW, Horst KC, Giaccia AJ, Graves EE. Macrophages Promote Circulating Tumor Cell-Mediated Local Recurrence following Radiotherapy in Immunosuppressed Patients. Cancer Res 2018; 78:4241-4252. [PMID: 29880480 PMCID: PMC6072588 DOI: 10.1158/0008-5472.can-17-3623] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 04/09/2018] [Accepted: 05/25/2018] [Indexed: 01/07/2023]
Abstract
Although radiotherapy (RT) decreases the incidence of locoregional recurrence in breast cancer, patients with triple-negative breast cancer (TNBC) have increased risk of local recurrence following breast-conserving therapy. The relationship between RT and local recurrence is unknown. Here, we tested the hypothesis that recurrence in some instances is due to the attraction of circulating tumor cells to irradiated tissues. To evaluate the effect of absolute lymphocyte count on local recurrence after RT in patients with TNBC, we analyzed radiation effects on tumor and immune cell recruitment to tissues in an orthotopic breast cancer model. Recurrent patients exhibited a prolonged low absolute lymphocyte count when compared with nonrecurrent patients following RT. Recruitment of tumor cells to irradiated normal tissues was enhanced in the absence of CD8+ T cells. Macrophages (CD11b+F480+) preceded tumor cell infiltration and were recruited to tissues following RT. Tumor cell recruitment was mitigated by inhibiting macrophage infiltration using maraviroc, an FDA-approved CCR5 receptor antagonist. Our work poses the intriguing possibility that excessive macrophage infiltration in the absence of lymphocytes promotes local recurrence after RT. This combination thus defines a high-risk group of patients with TNBC.Significance: This study establishes the importance of macrophages in driving tumor cell recruitment to sites of local radiation therapy and suggests that this mechanism contributes to local recurrence in women with TNBC that are also immunosuppressed.Graphical Abstract: http://cancerres.aacrjournals.org/content/canres/78/15/4241/F1.large.jpg Cancer Res; 78(15); 4241-52. ©2018 AACR.
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Affiliation(s)
- Marjan Rafat
- Department of Radiation Oncology, Stanford University, Stanford, California
| | - Todd A Aguilera
- Department of Radiation Oncology, Harold C. Simmons Comprehensive Cancer Center, U.T. Southwestern Medical Center, Dallas, Texas
| | - Marta Vilalta
- Department of Radiation Oncology, Stanford University, Stanford, California
| | - Laura L Bronsart
- Department of Radiation Oncology, Stanford University, Stanford, California
| | - Luis A Soto
- Department of Radiation Oncology, Stanford University, Stanford, California
| | - Rie von Eyben
- Department of Radiation Oncology, Stanford University, Stanford, California
| | - Meghana A Golla
- Department of Radiation Oncology, Stanford University, Stanford, California
| | - Yasaman Ahrari
- Department of Radiation Oncology, Stanford University, Stanford, California
| | | | - Anosheh Afghahi
- Department of Medicine, Stanford University School of Medicine, Stanford, California
| | - Melissa J Jenkins
- Department of Radiation Oncology, Stanford University, Stanford, California
| | - Allison W Kurian
- Department of Medicine, Stanford University School of Medicine, Stanford, California
| | - Kathleen C Horst
- Department of Radiation Oncology, Stanford University, Stanford, California
| | - Amato J Giaccia
- Department of Radiation Oncology, Stanford University, Stanford, California
| | - Edward E Graves
- Department of Radiation Oncology, Stanford University, Stanford, California.
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22
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Patel J, Douglas G, Kerr AG, Hale AB, Channon KM. Effect of irradiation and bone marrow transplantation on angiotensin II-induced aortic inflammation in ApoE knockout mice. Atherosclerosis 2018; 276:74-82. [PMID: 30048944 PMCID: PMC6143484 DOI: 10.1016/j.atherosclerosis.2018.07.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 04/25/2018] [Accepted: 07/12/2018] [Indexed: 01/03/2023]
Abstract
BACKGROUND AND AIMS Angiotensin II (Ang II) infusion promotes the development of aortic aneurysms and accelerates atherosclerosis in ApoE-/- mice. In order to elucidate the role of hematopoietic cells in these pathologies, irradiation and bone marrow transplantation (BMT) are commonly utilized. The aim of this study was to investigate the effects of irradiation and BMT on abdominal and thoracic aortic aneurysm formation and acute leukocyte recruitment in the aortic root and descending aorta, in an experimental mouse model of aortic aneurysm formation. METHODS ApoE-/- mice were either lethally irradiated and reconstituted with ApoE-/- bone marrow or non-irradiated. Following engraftment, mice were treated with Ang II to induce aortic inflammation and accelerate atherosclerosis. RESULTS Ang II infusion (0.8 mg/kg/day) in BMT mice resulted in reduced aortic aneurysms and atherosclerosis with decreased leukocyte infiltration in the aorta compared to non-BMT mice, when receiving the same dose of Ang II. Furthermore, the reduced aortic infiltration in BMT mice was accompanied by increased levels of monocytes in the spleen and bone marrow. A dose of 3 mg/kg/day Ang II was required to achieve a similar incidence of aneurysm formation as achieved with 0.8 mg/kg/day in non-BMT mice. CONCLUSIONS This study provides evidence that BMT can alter inflammatory cell recruitment in experimental mouse models of aortic aneurysm formation and atherosclerosis and suggests that irradiation and BMT have a considerably more complex effect on vascular inflammation, which should be evaluated.
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MESH Headings
- Angiotensin II
- Animals
- Aorta, Abdominal/metabolism
- Aorta, Abdominal/pathology
- Aorta, Thoracic/metabolism
- Aorta, Thoracic/pathology
- Aortic Aneurysm, Abdominal/chemically induced
- Aortic Aneurysm, Abdominal/genetics
- Aortic Aneurysm, Abdominal/metabolism
- Aortic Aneurysm, Abdominal/prevention & control
- Aortic Aneurysm, Thoracic/chemically induced
- Aortic Aneurysm, Thoracic/genetics
- Aortic Aneurysm, Thoracic/metabolism
- Aortic Aneurysm, Thoracic/prevention & control
- Aortic Rupture/chemically induced
- Aortic Rupture/genetics
- Aortic Rupture/metabolism
- Aortic Rupture/prevention & control
- Aortitis/chemically induced
- Aortitis/genetics
- Aortitis/metabolism
- Aortitis/prevention & control
- Atherosclerosis/chemically induced
- Atherosclerosis/genetics
- Atherosclerosis/metabolism
- Atherosclerosis/prevention & control
- Bone Marrow Transplantation
- Disease Models, Animal
- Macrophages/metabolism
- Macrophages/radiation effects
- Macrophages/transplantation
- Male
- Mice, Knockout, ApoE
- Monocytes/metabolism
- Monocytes/radiation effects
- Monocytes/transplantation
- Plaque, Atherosclerotic
- Whole-Body Irradiation
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Affiliation(s)
- Jyoti Patel
- Division of Cardiovascular Medicine, British Heart Foundation Centre of Research Excellence, Radcliffe Department of Medicine, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK; Wellcome Centre for Human Genetics, University of Oxford, Oxford, OX3 7BN, UK.
| | - Gillian Douglas
- Division of Cardiovascular Medicine, British Heart Foundation Centre of Research Excellence, Radcliffe Department of Medicine, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK; Wellcome Centre for Human Genetics, University of Oxford, Oxford, OX3 7BN, UK
| | - Alastair G Kerr
- Department of Physiology, Anatomy, and Genetics, University of Oxford, Oxford, OX1 3QX, UK
| | - Ashley B Hale
- Division of Cardiovascular Medicine, British Heart Foundation Centre of Research Excellence, Radcliffe Department of Medicine, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK; Wellcome Centre for Human Genetics, University of Oxford, Oxford, OX3 7BN, UK
| | - Keith M Channon
- Division of Cardiovascular Medicine, British Heart Foundation Centre of Research Excellence, Radcliffe Department of Medicine, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK; Wellcome Centre for Human Genetics, University of Oxford, Oxford, OX3 7BN, UK
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23
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Mojena M, Pimentel-Santillana M, Povo-Retana A, Fernández-García V, González-Ramos S, Rada P, Tejedor A, Rico D, Martín-Sanz P, Valverde AM, Boscá L. Protection against gamma-radiation injury by protein tyrosine phosphatase 1B. Redox Biol 2018; 17:213-223. [PMID: 29705509 PMCID: PMC6006913 DOI: 10.1016/j.redox.2018.04.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 04/13/2018] [Accepted: 04/18/2018] [Indexed: 02/07/2023] Open
Abstract
Protein tyrosine phosphatase 1B (PTP1B) is widely expressed in mammalian tissues, in particular in immune cells, and plays a pleiotropic role in dephosphorylating many substrates. Moreover, PTP1B expression is enhanced in response to pro-inflammatory stimuli and to different cell stressors. Taking advantage of the use of mice deficient in PTP1B we have investigated the effect of γ-radiation in these animals and found enhanced lethality and decreased respiratory exchange ratio vs. the corresponding wild type animals. Using bone-marrow derived macrophages and mouse embryonic fibroblasts (MEFs) from wild-type and PTP1B-deficient mice, we observed a differential response to various cell stressors. PTP1B-deficient macrophages exhibited an enhanced response to γ-radiation, UV-light, LPS and S-nitroso-glutathione. Macrophages exposed to γ-radiation show DNA damage and fragmentation, increased ROS production, a lack in GSH elevation and enhanced acidic β-galactosidase activity. Interestingly, these differences were not observed in MEFs. Differential gene expression analysis of WT and KO macrophages revealed that the main pathways affected after irradiation were an up-regulation of protein secretion, TGF-β signaling and angiogenesis among other, and downregulation of Myc targets and Hedgehog signaling. These results demonstrate a key role for PTP1B in the protection against the cytotoxicity of irradiation in intact animal and in macrophages, which might be therapeutically relevant.
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Affiliation(s)
- Marina Mojena
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, 28029 Madrid, Spain
| | - María Pimentel-Santillana
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, 28029 Madrid, Spain
| | - Adrián Povo-Retana
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, 28029 Madrid, Spain
| | - Victoria Fernández-García
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, 28029 Madrid, Spain
| | - Silvia González-Ramos
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, 28029 Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), y Hepáticas y Digestivas (CIBEREHD), ISCIII, Spain
| | - Patricia Rada
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, 28029 Madrid, Spain; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), ISCIII, Spain
| | - Alberto Tejedor
- Hospital General Universitario Gregorio Marañón, Doctor Esquerdo 46, 28007 Madrid, Spain
| | - Daniel Rico
- Institute of Cellular Medicine, Newcastle University, United Kingdom
| | - Paloma Martín-Sanz
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, 28029 Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), y Hepáticas y Digestivas (CIBEREHD), ISCIII, Spain
| | - Angela M Valverde
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, 28029 Madrid, Spain; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), ISCIII, Spain; Unidad Asociada IIBM-ULPGC, Universidad de las Palmas de Gran Canaria (ULPGC), Spain.
| | - Lisardo Boscá
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, 28029 Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), y Hepáticas y Digestivas (CIBEREHD), ISCIII, Spain; Unidad Asociada IIBM-ULPGC, Universidad de las Palmas de Gran Canaria (ULPGC), Spain.
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24
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Yoshida S, Shime H, Takeda Y, Nam J, Takashima K, Matsumoto M, Shirato H, Kasahara M, Seya T. Toll-like receptor 3 signal augments radiation-induced tumor growth retardation in a murine model. Cancer Sci 2018; 109:956-965. [PMID: 29465830 PMCID: PMC5891207 DOI: 10.1111/cas.13543] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 02/09/2018] [Accepted: 02/14/2018] [Indexed: 12/27/2022] Open
Abstract
Radiotherapy induces anti-tumor immunity by induction of tumor antigens and damage-associated molecular patterns (DAMP). DNA, a representative DAMP in radiotherapy, activates the stimulator of interferon genes (STING) pathway which enhances the immune response. However, the immune response does not always parallel the inflammation associated with radiotherapy. This lack of correspondence may, in part, explain the radiation-resistance of tumors. Additive immunotherapy is expected to revive tumor-specific CTL facilitating radiation-resistant tumor shrinkage. Herein pre-administration of the double-stranded RNA, polyinosinic-polycytidylic acid (polyI:C), in conjunction with radiotherapy, was shown to foster tumor suppression in mice bearing radioresistant, ovalbumin-expressing Lewis lung carcinoma (LLC). Extrinsic injection of tumor antigen was not required for tumor suppression. No STING- and CTL-response was induced by radiation in the implant tumor. PolyI:C was more effective for induction of tumor growth retardation at 1 day before radiation than at post-treatment. PolyI:C targeted Toll-like receptor 3 with minimal effect on the mitochondrial antiviral-signaling protein pathway. Likewise, the STING pathway barely contributed to LLC tumor suppression. PolyI:C primed antigen-presenting dendritic cells in draining lymph nodes to induce proliferation of antigen-specific CTL. By combination therapy, CTL efficiently infiltrated into tumors with upregulation of relevant chemokine transcripts. Batf3-positive DC and CD8+ T cells were essential for therapeutic efficacy. Furthermore, polyI:C was shown to stimulate tumor-associated macrophages and release tumor necrosis factor alpha, which acted on tumor cells and increased sensitivity to radiation. Hence, polyI:C treatment prior to radiotherapy potentially induces tumor suppression by boosting CTL-dependent and macrophage-mediated anti-tumor responses. Eventually, polyI:C and radiotherapy in combination would be a promising therapeutic strategy for radiation-resistant tumors.
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MESH Headings
- Animals
- Antigens, Neoplasm/metabolism
- CD8-Positive T-Lymphocytes/drug effects
- CD8-Positive T-Lymphocytes/metabolism
- CD8-Positive T-Lymphocytes/radiation effects
- Carcinoma, Lewis Lung/drug therapy
- Carcinoma, Lewis Lung/metabolism
- Carcinoma, Lewis Lung/radiotherapy
- Cell Line, Tumor
- Cell Proliferation/drug effects
- Cell Proliferation/radiation effects
- Combined Modality Therapy/methods
- Dendritic Cells/drug effects
- Dendritic Cells/metabolism
- Dendritic Cells/radiation effects
- Disease Models, Animal
- Immunotherapy, Adoptive/methods
- Macrophages/drug effects
- Macrophages/metabolism
- Macrophages/radiation effects
- Mice
- Mice, Inbred C57BL
- Poly I-C/pharmacology
- T-Lymphocytes, Cytotoxic/drug effects
- T-Lymphocytes, Cytotoxic/metabolism
- T-Lymphocytes, Cytotoxic/radiation effects
- Toll-Like Receptor 3/metabolism
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Affiliation(s)
- Sumito Yoshida
- Department of Vaccine ImmunologyGraduate School of MedicineHokkaido UniversitySapporoJapan
- Department of Pathology IGraduate School of MedicineHokkaido UniversitySapporoJapan
| | - Hiroaki Shime
- Department of Vaccine ImmunologyGraduate School of MedicineHokkaido UniversitySapporoJapan
- Present address:
Department of ImmunologyGraduate School of Medical SciencesNagoya City UniversityNagoyaJapan
| | - Yohei Takeda
- Department of Vaccine ImmunologyGraduate School of MedicineHokkaido UniversitySapporoJapan
| | - Jin‐Min Nam
- Department of Radiation MedicineGraduate School of MedicineHokkaido UniversitySapporoJapan
- Global Station for Quantum Medical Science and EngineeringGlobal Institution for Collaborative Research and EducationHokkaido UniversitySapporoJapan
| | - Ken Takashima
- Department of Vaccine ImmunologyGraduate School of MedicineHokkaido UniversitySapporoJapan
| | - Misako Matsumoto
- Department of Vaccine ImmunologyGraduate School of MedicineHokkaido UniversitySapporoJapan
| | - Hiroki Shirato
- Department of Radiation MedicineGraduate School of MedicineHokkaido UniversitySapporoJapan
- Global Station for Quantum Medical Science and EngineeringGlobal Institution for Collaborative Research and EducationHokkaido UniversitySapporoJapan
| | - Masanori Kasahara
- Department of Pathology IGraduate School of MedicineHokkaido UniversitySapporoJapan
| | - Tsukasa Seya
- Department of Vaccine ImmunologyGraduate School of MedicineHokkaido UniversitySapporoJapan
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25
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Malhotra P, Singh D, Kumar R. In vitro stimulatory effect of N-acetyl tryptophan-glucopyranoside against gamma radiation induced immunosuppression. Environ Toxicol 2018; 33:305-314. [PMID: 29205752 DOI: 10.1002/tox.22517] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 11/13/2017] [Accepted: 11/17/2017] [Indexed: 06/07/2023]
Abstract
Radiation-induced manifestations like free radical burst, oxidative damage and apoptosis leading to cell death. In present study, N-acetyl tryptophan glucopyranoside (NATG) was assessed for its immune-radioprotective activities using J774A.1 cells. Clonogenic cell survival, cell cycle progression and cytokines i.e. IFN-γ, TNF-α, IL-2, IL-10, IL-12, IL-13 and IL-17A expression were evaluated in irradiated and NATG pretreated cells using clonogenic formation ability, flow cytometry and ELISA assay. Results indicated that 0.25μg/ml NATG exhibited maximum radioprotection against gamma-radiation (2Gy) without intervening in cell cycle progression. NATG pretreated (-2 h) plus irradiated cells showed significant elevation in IFN-γ (∼38.2%), IL-17A (∼53.7%) and IL-12 (∼58.8%) expression as compared to only irradiated cells. Conversely, significant decrease in TNF-α (∼21.6%), IL-10 (∼31.2%), IL-2 (∼23.7%) and IL-13 expression (∼17.8%) were observed in NATG pretreated plus irradiated cells as compared to irradiated cells. Conclusively, NATG pretreatment to irradiated J774A.1 cells, stimulate Th1 while diminish Th2 cytokines that contributes to radioprotection.
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Affiliation(s)
- Poonam Malhotra
- Division of Radioprotective Drug Development and Research, Radiation Biotechnology Group, Institute of Nuclear Medicine and Allied Sciences, DRDO, Delhi, India
| | - Darshana Singh
- Division of Radioprotective Drug Development and Research, Radiation Biotechnology Group, Institute of Nuclear Medicine and Allied Sciences, DRDO, Delhi, India
| | - Raj Kumar
- Division of Radioprotective Drug Development and Research, Radiation Biotechnology Group, Institute of Nuclear Medicine and Allied Sciences, DRDO, Delhi, India
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26
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Leite IS, Geralde MC, Salina ACG, Medeiros AI, Dovigo LN, Bagnato VS, Inada NM. Near-infrared photodynamic inactivation of S. pneumoniae and its interaction with RAW 264.7 macrophages. J Biophotonics 2018; 11:e201600283. [PMID: 28516508 DOI: 10.1002/jbio.201600283] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Revised: 04/03/2017] [Accepted: 04/05/2017] [Indexed: 06/07/2023]
Abstract
Pneumonia is the main cause of children mortality worldwide, and its major treatment obstacle stems from the microorganisms increasing development of resistance to several antibiotics. Photodynamic therapy has been presenting, for the last decades, promising results for some subtypes of cancer and infections. In this work we aimed to develop a safe and efficient in vitro protocol for photodynamic inactivation of Streptococcus pneumoniae, one of the most commonly found bacteria in pneumonia cases, using two near-infrared light sources and indocyanine green, a FDA approved dye. Photodynamic inactivation experiments with bacteria alone allowed to determine the best parameters for microbial inactivation. Cytotoxicity assays with RAW 264.7 macrophages evaluated the safety of the PDI. To determine if the photodynamic inactivation had a positive or negative effect on the natural killing action of macrophages, we selected and tested fewer indocyanine green concentrations and 10 J/cm2 on macrophage-S. pneumoniae co-cultures. We concluded that ICG has potential as a photosensitizer for near-infrared photodynamic inactivation of S. pneumoniae, producing minimum negative impact on RAW 264.7 macrophages and having a positive interaction with the immune cell's microbicidal action.
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Affiliation(s)
- Ilaiáli S Leite
- University of São Paulo, São Carlos Institute of Physics, Group of Optics, Av. Trabalhador São-carlense, 400 São Carlos, SP, Brazil
| | - Mariana C Geralde
- University of São Paulo, São Carlos Institute of Physics, Group of Optics, Av. Trabalhador São-carlense, 400 São Carlos, SP, Brazil
- Federal University of São Carlos, PPGBiotec, São Carlos, SP, Brazil
| | - Ana C G Salina
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, SP, Brazil
| | - Alexandra I Medeiros
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, SP, Brazil
| | - Lívia N Dovigo
- São Paulo State University (UNESP), Araraquara Dental School, Araraquara, SP, Brazil
| | - Vanderlei S Bagnato
- University of São Paulo, São Carlos Institute of Physics, Group of Optics, Av. Trabalhador São-carlense, 400 São Carlos, SP, Brazil
| | - Natalia M Inada
- University of São Paulo, São Carlos Institute of Physics, Group of Optics, Av. Trabalhador São-carlense, 400 São Carlos, SP, Brazil
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Abstract
Increasing experimental and clinical evidence has revealed a critical role for myeloid cells in the development and progression of cancer. The ability of monocytes and macrophages to regulate inflammation allows them to manipulate the tumor microenvironment to support the growth and development of malignant cells. Recent studies have shown that macrophages can exist in several functional states depending on the microenvironment they encounter in the tissue. These functional phenotypes influence not only the genesis and propagation of tumors, but also the efficacy of cancer therapies, particularly radiation. Early classification of the macrophage phenotypes, or "polarization states," identified 2 major states, M1 and M2, that have cytotoxic and wound repair capacity, respectively. In the context of tumors, classically activated or M1 macrophages driven by interferon-gamma support antitumor immunity while alternatively activated or M2 macrophages generated in part from interleukin-4 exposure hinder antitumor immunity by suppressing cytotoxic responses against a tumor. In this review, we discuss the role that the functional phenotype of a macrophage population plays in tumor development. We will then focus specifically on how macrophages and myeloid cells regulate the tumor response to radiation therapy.
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Affiliation(s)
- Xiaoshan Shi
- Department of Radiation Oncology, Cedars-Sinai Medical Center, Los Angeles, CA
| | - Stephen L Shiao
- Department of Radiation Oncology, Cedars-Sinai Medical Center, Los Angeles, CA.
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Singh J, Srivastva AK, Mandal P, Chandra S, Dubey D, Dwivedi A, Chopra D, Tripathi A, Ray RS. Under ambient UVA exposure, pefloxacin exhibits both immunomodulatory and genotoxic effects via multiple mechanisms. J Photochem Photobiol B 2017; 178:593-605. [PMID: 29275239 DOI: 10.1016/j.jphotobiol.2017.12.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 12/11/2017] [Accepted: 12/12/2017] [Indexed: 11/19/2022]
Abstract
Pefloxacin (PFLX) is an antibiotic, which shows broad spectrum antimicrobial activities. It is an important derivative of fluoroquinolones (FLQs) group. Ultraviolet radiation (200-400nm) causes major problem for living being which comes at the earth surface naturally through sunlight and increasing regularly due to ozone depletion. PFLX was photodegraded in 5h and forms photoproduct under UVA exposure. At the non photocytotoxic dose PFLX, shows reduced phagocytosis activity, NO (nitric oxide) production, large vacuole formation and down regulated IL-6, TNF-α and IL-1 in BALB/c macrophages at both genes and proteins levels. At higher doses (photocytotoxic doses), PFLX induced a concentration dependent decrease in cell viability of human keratinocyte cell line (HaCaT) and peritoneal macrophages of BALB/c mice. Our molecular docking suggests that PFLX binds only to the cleaved DNA in the DNA-human TOP2A complex. Topoisomerase assay confirmed that PFLX inhibits human topoisomerase by forming an adduct with DNA. Photosensitized PFLX also caused intracellular ROS mediated DNA damage and formation of micronuclei and cyclobutane pyrimidine dimers (CPDs). Increase intracellular ROS leads to apoptosis which was proved through lysosomal destabilization and reduced mitochondrial membrane potential (MMP). Our present study shows that ambient UVA exposure in the presence of PFLX caused immunomodulatory as well as photogenotoxic effects. Therefore, patients under PFLX drug treatment should avoid sunlight exposure, especially during peak hours for their photosafety.
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Affiliation(s)
- Jyoti Singh
- Photobiology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-IITR Campus, Lucknow, 226001, Uttar Pradesh, India
| | - Ajeet K Srivastva
- Photobiology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Babu Banarasi Das University, BBD City, Faizabad Road, Lucknow 226001, India
| | - Payal Mandal
- Proteomics and Environmental Carcinogenesis Laboratory, Food, Drug & Chemical Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-IITR Campus, Lucknow, 226001, Uttar Pradesh, India
| | - Sonam Chandra
- Photobiology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-IITR Campus, Lucknow, 226001, Uttar Pradesh, India
| | - Divya Dubey
- Photobiology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Babu Banarasi Das University, BBD City, Faizabad Road, Lucknow 226001, India
| | - Ashish Dwivedi
- Pineal Research Lab, Department of Zoology, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Deepti Chopra
- Photobiology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Babu Banarasi Das University, BBD City, Faizabad Road, Lucknow 226001, India
| | - Anurag Tripathi
- Proteomics and Environmental Carcinogenesis Laboratory, Food, Drug & Chemical Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-IITR Campus, Lucknow, 226001, Uttar Pradesh, India
| | - Ratan Singh Ray
- Photobiology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-IITR Campus, Lucknow, 226001, Uttar Pradesh, India.
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29
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Siqueira VPC, Evangelista MIS, Dos Santos A, Marcos RL, Ligeiro-de-Oliveira AP, Pavani C, Damazo AS, Lino-Dos-Santos-Franco A. Light-Emitting Diode treatment ameliorates allergic lung inflammation in experimental model of asthma induced by ovalbumin. J Biophotonics 2017; 10:1683-1693. [PMID: 28417574 DOI: 10.1002/jbio.201600247] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Revised: 01/19/2017] [Accepted: 01/21/2017] [Indexed: 06/07/2023]
Abstract
Since asthma is a multifactorial disease where treatment sometimes is not effective, new therapies that improve the respiratory discomfort of patients are of great importance. Phototherapy as Light-emitting diode (LED) has emerged as a treatment that presents good results for diseases that are characterized by inflammation. Thus, our objective was to investigate the effects of LED on lung inflammation, by an evaluation of lung cell infiltration, mucus secretion, oedema, and the production of cytokines. Male Balb/c mice were or not sensitized and challenged with ovalbumin (OVA) and treated or not with LED therapy (1 h and 4 h after each OVA challenge). Twenty-four hours after the last OVA challenge, analyzes were performed. Our results showed that LED treatment in asthmatic mice reduced the lung cell infiltration, the mucus production, the oedema, and the tracheal's contractile response. It also increased the IL-10 and the IFN-gamma levels. The effects of LED treatment on lung inflammation may be modulated by IL-10, IFN-gamma, and by mast cells. This study may provide important information about the effects of LED, and in addition, it may open the possibility of a new approach for the treatment of asthma.
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Affiliation(s)
| | | | - Alana Dos Santos
- Post Graduate Program in Biophotonics Applied to Health Sciences, University Nove de Julho (UNINOVE), São Paulo, Brazil
| | - Rodrigo Labat Marcos
- Post Graduate Program in Biophotonics Applied to Health Sciences, University Nove de Julho (UNINOVE), São Paulo, Brazil
| | - Ana Paula Ligeiro-de-Oliveira
- Post Graduate Program in Biophotonics Applied to Health Sciences, University Nove de Julho (UNINOVE), São Paulo, Brazil
| | - Christiane Pavani
- Post Graduate Program in Biophotonics Applied to Health Sciences, University Nove de Julho (UNINOVE), São Paulo, Brazil
| | - Amílcar Sabino Damazo
- Department of Basic Science in Health, Faculty of Medical Sciences, Federal University of Cuiabá, Cuiabá, Brazil
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Shanmugarajan S, Zhang Y, Moreno-Villanueva M, Clanton R, Rohde LH, Ramesh GT, Sibonga JD, Wu H. Combined Effects of Simulated Microgravity and Radiation Exposure on Osteoclast Cell Fusion. Int J Mol Sci 2017; 18:ijms18112443. [PMID: 29156538 PMCID: PMC5713410 DOI: 10.3390/ijms18112443] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2017] [Revised: 11/12/2017] [Accepted: 11/15/2017] [Indexed: 12/11/2022] Open
Abstract
The loss of bone mass and alteration in bone physiology during space flight are one of the major health risks for astronauts. Although the lack of weight bearing in microgravity is considered a risk factor for bone loss and possible osteoporosis, organisms living in space are also exposed to cosmic radiation and other environmental stress factors. As such, it is still unclear as to whether and by how much radiation exposure contributes to bone loss during space travel, and whether the effects of microgravity and radiation exposure are additive or synergistic. Bone is continuously renewed through the resorption of old bone by osteoclast cells and the formation of new bone by osteoblast cells. In this study, we investigated the combined effects of microgravity and radiation by evaluating the maturation of a hematopoietic cell line to mature osteoclasts. RAW 264.7 monocyte/macrophage cells were cultured in rotating wall vessels that simulate microgravity on the ground. Cells under static 1g or simulated microgravity were exposed to γ rays of varying doses, and then cultured in receptor activator of nuclear factor-κB ligand (RANKL) for the formation of osteoclast giant multinucleated cells (GMCs) and for gene expression analysis. Results of the study showed that radiation alone at doses as low as 0.1 Gy may stimulate osteoclast cell fusion as assessed by GMCs and the expression of signature genes such as tartrate resistant acid phosphatase (Trap) and dendritic cell-specific transmembrane protein (Dcstamp). However, osteoclast cell fusion decreased for doses greater than 0.5 Gy. In comparison to radiation exposure, simulated microgravity induced higher levels of cell fusion, and the effects of these two environmental factors appeared additive. Interestingly, the microgravity effect on osteoclast stimulatory transmembrane protein (Ocstamp) and Dcstamp expressions was significantly higher than the radiation effect, suggesting that radiation may not increase the synthesis of adhesion molecules as much as microgravity.
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Affiliation(s)
- Srinivasan Shanmugarajan
- NASA Johnson Space Center, Houston, TX 77058, USA.
- Department of Biological and Environmental Sciences, University of Houston Clear Lake, Houston, TX 77058, USA.
| | - Ye Zhang
- NASA Kennedy Space Center, Cape Canaveral, FL 32899, USA.
| | - Maria Moreno-Villanueva
- NASA Johnson Space Center, Houston, TX 77058, USA.
- Department of Biology, University of Konstanz, 78457 Konstanz, Germany.
| | - Ryan Clanton
- Department of Nuclear Engineering, Texas A & M University, College Station, TX 77843, USA.
| | - Larry H Rohde
- Department of Biological and Environmental Sciences, University of Houston Clear Lake, Houston, TX 77058, USA.
| | | | | | - Honglu Wu
- NASA Johnson Space Center, Houston, TX 77058, USA.
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Spoto G, De Iuliis V, Petrini M, Flati V, Di Gregorio J, Vitale D, Caruso M, Dadorante V, Ciarmoli M, Robuffo I, Martinotti S, Toniato E. Effect of low energy light irradiation by light emitting diode on U937 cells. J BIOL REG HOMEOS AG 2016; 30:997-1007. [PMID: 28078845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Photobiomodulation (PBM) can induce a set of different biological modulators either in vitro or in vivo. Experimental evidence has highlighted the role of light effects on the mechanisms related to inflammation, apoptosis and autophagy. The goal of this project was the evaluation of PBM on U937, an established cell line of histiocytic lymphoma origin. Several aspects of modulation of proinflammatory pathways were analyzed and autophagic and proapoptotic mechanisms related to low laser light exposure of cells were studied. As a source of low energy light emission, we used an NIR-LED device, characterized by an 880 nm-wavelength as light source. Flow cytometry analysis was performed on supernatants of controls and treated U937 cells to detect inflammatory cytokine levels. In order to evaluate NF-kB and caspase3 expressions, Western blot analysis was performed according to standard procedures. In this report, we show the effect of PBM on a monocyte/macrophage established tumor cell line (U-937). We demonstrate that LED exposure, in the presence or absence of lipopolysaccharide (LPS), activates cell degranulation, increased expression of Interleukin-8 (IL-8) and modulation of beta galactosidase activity. Evidence shows that the well-known pro-inflammatory nuclear factor kappa-light-chain-enhancer of activated B cells (NF-kB) and the apoptotic marker (caspase3/cleaved-caspase3 ratio) are up-regulated in response to a proinflammatory biochemical pathway.
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Affiliation(s)
- G Spoto
- Department of Medical, Oral and Biotechnological Sciences, University G. dAnnunzio of Chieti, Italy
| | - V De Iuliis
- Unit of Predictive Medicine and Clinical Molecular biology, SS Annunziata University Hospital, ASL Lanciano-Vasto-Chieti, University G dAnnunzio, Chieti, Italy
| | - M Petrini
- Department of Medical, Oral and Biotechnological Sciences, University G. dAnnunzio of Chieti, Italy
| | - V Flati
- Department of Biotechnological and Applied Clinical Sciences, University of LAquila, LAquila, Italy
| | - J Di Gregorio
- Department of Biotechnological and Applied Clinical Sciences, University of LAquila, LAquila, Italy
| | - D Vitale
- Department of Medical, Oral and Biotechnological Sciences, University G. dAnnunzio of Chieti, Italy
| | - M Caruso
- Department of Medical, Oral and Biotechnological Sciences, University G. dAnnunzio of Chieti, Italy
| | - V Dadorante
- Unit of Predictive Medicine and Clinical Molecular biology, SS Annunziata University Hospital, ASL Lanciano-Vasto-Chieti, University G dAnnunzio, Chieti, Italy
| | - M Ciarmoli
- CNR, Institute of Molecular Genetics, Section of Chieti, Chieti, Italy
| | - I Robuffo
- CNR, Institute of Molecular Genetics, Section of Chieti, Chieti, Italy
| | - S Martinotti
- Unit of Predictive Medicine and Clinical Molecular biology, SS Annunziata University Hospital, ASL Lanciano-Vasto-Chieti, University G dAnnunzio, Chieti, Italy
| | - E Toniato
- Department of Medical, Oral and Biotechnological Sciences, University G. dAnnunzio of Chieti, Italy
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Pinto AT, Pinto ML, Velho S, Pinto MT, Cardoso AP, Figueira R, Monteiro A, Marques M, Seruca R, Barbosa MA, Mareel M, Oliveira MJ, Rocha S. Intricate Macrophage-Colorectal Cancer Cell Communication in Response to Radiation. PLoS One 2016; 11:e0160891. [PMID: 27513864 PMCID: PMC4981353 DOI: 10.1371/journal.pone.0160891] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Accepted: 07/26/2016] [Indexed: 11/19/2022] Open
Abstract
Both cancer and tumour-associated host cells are exposed to ionizing radiation when a tumour is subjected to radiotherapy. Macrophages frequently constitute the most abundant tumour-associated immune population, playing a role in tumour progression and response to therapy. The present work aimed to evaluate the importance of macrophage-cancer cell communication in the cellular response to radiation. To address this question, we established monocultures and indirect co-cultures of human monocyte-derived macrophages with RKO or SW1463 colorectal cancer cells, which exhibit higher and lower radiation sensitivity, respectively. Mono- and co-cultures were then irradiated with 5 cumulative doses, in a similar fractionated scheme to that used during cancer patients' treatment (2 Gy/fraction/day). Our results demonstrated that macrophages sensitize RKO to radiation-induced apoptosis, while protecting SW1463 cells. Additionally, the co-culture with macrophages increased the mRNA expression of metabolism- and survival-related genes more in SW1463 than in RKO. The presence of macrophages also upregulated glucose transporter 1 expression in irradiated SW1463, but not in RKO cells. In addition, the influence of cancer cells on the expression of pro- and anti-inflammatory macrophage markers, upon radiation exposure, was also evaluated. In the presence of RKO or SW1463, irradiated macrophages exhibit higher levels of pro-inflammatory TNF, IL6, CCL2 and CCR7, and of anti-inflammatory CCL18. However, RKO cells induce an increase of macrophage pro-inflammatory IL1B, while SW1463 cells promote higher pro-inflammatory CXCL8 and CD80, and also anti-inflammatory VCAN and IL10 levels. Thus, our data demonstrated that macrophages and cancer cells mutually influence their response to radiation. Notably, conditioned medium from irradiated co-cultures increased non-irradiated RKO cell migration and invasion and did not impact on angiogenesis in a chicken embryo chorioallantoic membrane assay. Overall, the establishment of primary human macrophage-cancer cell co-cultures revealed an intricate cell communication in response to ionizing radiation, which should be considered when developing therapies adjuvant to radiotherapy.
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Affiliation(s)
- Ana T. Pinto
- i3s-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- INEB-Institute of Biomedical Engineering, University of Porto, Porto, Portugal
- FEUP-Faculty of Engineering, University of Porto, Porto, Portugal
| | - Marta L. Pinto
- i3s-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- INEB-Institute of Biomedical Engineering, University of Porto, Porto, Portugal
- ICBAS-Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, Portugal
| | - Sérgia Velho
- i3s-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- IPATIMUP-Institute of Molecular Pathology and Immunology of the University of Porto, Porto, Portugal
| | - Marta T. Pinto
- i3s-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- IPATIMUP-Institute of Molecular Pathology and Immunology of the University of Porto, Porto, Portugal
| | - Ana P. Cardoso
- i3s-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- INEB-Institute of Biomedical Engineering, University of Porto, Porto, Portugal
| | - Rita Figueira
- Radiotherapy Service, Centro Hospitalar S. João, EPE, Porto, Portugal
| | - Armanda Monteiro
- Radiotherapy Service, Centro Hospitalar S. João, EPE, Porto, Portugal
| | - Margarida Marques
- Radiotherapy Service, Centro Hospitalar S. João, EPE, Porto, Portugal
| | - Raquel Seruca
- i3s-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- IPATIMUP-Institute of Molecular Pathology and Immunology of the University of Porto, Porto, Portugal
- Department of Pathology and Oncology, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Mário A. Barbosa
- i3s-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- INEB-Institute of Biomedical Engineering, University of Porto, Porto, Portugal
- ICBAS-Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, Portugal
| | - Marc Mareel
- Department of Radiation Oncology and Experimental Cancer Research, Ghent University Hospital, Ghent, Belgium
| | - Maria J. Oliveira
- i3s-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- INEB-Institute of Biomedical Engineering, University of Porto, Porto, Portugal
- Department of Pathology and Oncology, Faculty of Medicine, University of Porto, Porto, Portugal
- * E-mail:
| | - Sónia Rocha
- Centre for Gene Regulation and Expression, College of Life Sciences, University of Dundee, Dundee, United Kingdom
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Dai C, Song J, Liang Z, Zhang Q, Zhang K, Wang Z, Hu X. [The modulation of low-level laser on polarization of mouse bone marrow-derived macrophages]. Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi 2016; 32:1045-1050. [PMID: 27412934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Objective To investigate the influence of 810 nm low-level laser of different energy on the polarization of macrophages. Methods The macrophages were isolated from the bone borrow of BALB/c mice and cultured in macrophage colony stimulating factor (M-CSF) conditioned cultural medium. The expression of F4/80 was examined by flow cytometry for identification. After lipopolysaccharide-γ interferon (LPS-IFN-γ) induced polarization status in the macrophages, the mRNA expressions of inducible nitric oxide synthase (iNOS), arginase 1 (Arg1) and CD86 were detected by reverse transcription PCR, and the protein expressions of iNOS and Arg1 were tested by Western blotting. Thereafter, the M1 macrophages were exposed to 810 nm low-level laser of (1, 2, 3, 4) J/cm(2), and then the cell viability was evaluated by MTT assay; the expressions of iNOS and Arg1 were observed by immunofluorescent cytochemical staining; the mRNA and protein levels of iNOS and Arg1 were studied by reverse transcription PCR and Western blotting. Results Flow cytometry showed that the percentage of F4/80 positive cells cultured with M-CSF conditioned medium was 99.9%. The mRNA and protein levels of iNOS and CD86 in macrophages were both significantly raised after induction by LPS-IFN-γ. Compared with the control cells, the viability of M1 cells significantly decreased when the energy of the low-level laser exposure was 4 J/cm(2), while the viability remained unchanged when the energy was 1, 2 or 3 J/cm(2). Immunocytochemistry revealed that the percentage of Arg1 positive cells that represent M2 macrophages was not significantly different from the control group when the irradiation dose was 1 or 2 J/cm(2), however, the Arg1 positive cells significantly increased and the iNOS positive cells that represent M1 macrophages significantly decreased when the irradiation dose was 3 or 4 J/cm(2). When the irradiation dose was 1 or 2 J/cm(2), the mRNA and protein levels of iNOS and Arg1 remained unchanged compared with the control group. When the irradiation dose was 3 or 4 J/cm(2), the mRNA and protein levels of iNOS significantly decreased and Arg1 significantly increased. Conclusion The 810 nm low-level laser with the energy of 1 or 2 J/cm(2) have no significant influence on the polarization and viability of macrophages. M1 macrophages can be polarized into M2 macrophages while there is no significant difference in the cell viability when the energy was 3 J/cm(2). When the energy was 4 J/cm(2), M1 cells can be polarized into M2 cells and the cell viability significantly decreased.
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Affiliation(s)
- Chen Dai
- Xijing Orthopaedics Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Jiwei Song
- Xijing Orthopaedics Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Zhuowen Liang
- Xijing Orthopaedics Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Qian Zhang
- Department of Neurobiology, Fourth Military Medical University, Xi'an 710032, China
| | - Kun Zhang
- Department of Neurobiology, Fourth Military Medical University, Xi'an 710032, China
| | - Zhe Wang
- Xijing Orthopaedics Hospital, Fourth Military Medical University, Xi'an 710032, China. *Corresponding authors, E-mail:
| | - Xueyu Hu
- Xijing Orthopaedics Hospital, Fourth Military Medical University, Xi'an 710032, China. *Corresponding authors, E-mail:
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Dovedi SJ, Lipowska-Bhalla G, Beers SA, Cheadle EJ, Mu L, Glennie MJ, Illidge TM, Honeychurch J. Antitumor Efficacy of Radiation plus Immunotherapy Depends upon Dendritic Cell Activation of Effector CD8+ T Cells. Cancer Immunol Res 2016; 4:621-630. [PMID: 27241845 PMCID: PMC5348028 DOI: 10.1158/2326-6066.cir-15-0253] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Accepted: 03/21/2016] [Indexed: 12/21/2022]
Abstract
Tumor cells dying after cytotoxic therapy are a potential source of antigen for T-cell priming. Antigen-presenting cells (APC) can cross-present MHC I-restricted peptides after the uptake of dying cells. Depending on the nature of the surrounding environmental signals, APCs then orchestrate a spectrum of responses ranging from immune activation to inhibition. Previously, we had demonstrated that combining radiation with either agonistic monoclonal antibody (mAb) to CD40 or a systemically administered TLR7 agonist could enhance CD8 T-cell-dependent protection against syngeneic murine lymphoma models. However, it remains unknown how individual APC populations affect this antitumor immune response. Using APC depletion models, we now show that dendritic cells (DC), but not macrophages or B cells, were responsible for the generation of long-term immunologic protection following combination therapy with radiotherapy and either agonistic CD40 mAb or systemic TLR7 agonist therapy. Novel immunotherapeutic approaches that augment antigen uptake and presentation by DCs may further enhance the generation of therapeutic antitumor immune responses, leading to improved outcomes after radiotherapy. Cancer Immunol Res; 4(7); 621-30. ©2016 AACR.
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Affiliation(s)
- Simon J. Dovedi
- Targeted Therapy Group, Institute of Cancer Sciences, University of Manchester, Manchester Academic Health Sciences Centre, United Kingdom
| | - Grazyna Lipowska-Bhalla
- Targeted Therapy Group, Institute of Cancer Sciences, University of Manchester, Manchester Academic Health Sciences Centre, United Kingdom
| | - Stephen A. Beers
- Antibody and Vaccine Group, Cancer Sciences Unit, University of Southampton Faculty of Medicine, Southampton General Hospital, Southampton, United Kingdom
| | - Eleanor J. Cheadle
- Targeted Therapy Group, Institute of Cancer Sciences, University of Manchester, Manchester Academic Health Sciences Centre, United Kingdom
| | - Lijun Mu
- The Second Affiliated Hospital, Dalian Medical University, Dalian 116027, China
| | - Martin J. Glennie
- Antibody and Vaccine Group, Cancer Sciences Unit, University of Southampton Faculty of Medicine, Southampton General Hospital, Southampton, United Kingdom
| | - Timothy M. Illidge
- Targeted Therapy Group, Institute of Cancer Sciences, University of Manchester, Manchester Academic Health Sciences Centre, United Kingdom
- Christie NHS Trust, University of Manchester, Manchester Academic Health Sciences Centre, United Kingdom
| | - Jamie Honeychurch
- Targeted Therapy Group, Institute of Cancer Sciences, University of Manchester, Manchester Academic Health Sciences Centre, United Kingdom
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Seifert L, Werba G, Tiwari S, Giao Ly NN, Nguy S, Alothman S, Alqunaibit D, Avanzi A, Daley D, Barilla R, Tippens D, Torres-Hernandez A, Hundeyin M, Mani VR, Hajdu C, Pellicciotta I, Oh P, Du K, Miller G. Radiation Therapy Induces Macrophages to Suppress T-Cell Responses Against Pancreatic Tumors in Mice. Gastroenterology 2016; 150:1659-1672.e5. [PMID: 26946344 PMCID: PMC4909514 DOI: 10.1053/j.gastro.2016.02.070] [Citation(s) in RCA: 125] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Revised: 01/22/2016] [Accepted: 02/25/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS The role of radiation therapy in the treatment of patients with pancreatic ductal adenocarcinoma (PDA) is controversial. Randomized controlled trials investigating the efficacy of radiation therapy in patients with locally advanced unresectable PDA have reported mixed results, with effects ranging from modest benefit to worse outcomes compared with control therapies. We investigated whether radiation causes inflammatory cells to acquire an immune-suppressive phenotype that limits the therapeutic effects of radiation on invasive PDAs and accelerates progression of preinvasive foci. METHODS We investigated the effects of radiation therapy in p48(Cre);LSL-Kras(G12D) (KC) and p48(Cre);LSLKras(G12D);LSL-Trp53(R172H) (KPC) mice, as well as in C57BL/6 mice with orthotopic tumors grown from FC1242 cells derived from KPC mice. Some mice were given neutralizing antibodies against macrophage colony-stimulating factor 1 (CSF1 or MCSF) or F4/80. Pancreata were exposed to doses of radiation ranging from 2 to 12 Gy and analyzed by flow cytometry. RESULTS Pancreata of KC mice exposed to radiation had a higher frequency of advanced pancreatic intraepithelial lesions and more foci of invasive cancer than pancreata of unexposed mice (controls); radiation reduced survival time by more than 6 months. A greater proportion of macrophages from radiation treated invasive and preinvasive pancreatic tumors had an immune-suppressive, M2-like phenotype compared with control mice. Pancreata from mice exposed to radiation had fewer CD8(+) T cells than controls, and greater numbers of CD4(+) T cells of T-helper 2 and T-regulatory cell phenotypes. Adoptive transfer of T cells from irradiated PDA to tumors of control mice accelerated tumor growth. Radiation induced production of MCSF by PDA cells. A neutralizing antibody against MCSF prevented radiation from altering the phenotype of macrophages in tumors, increasing the anti-tumor T-cell response and slowing tumor growth. CONCLUSIONS Radiation treatment causes macrophages murine PDA to acquire an immune-suppressive phenotype and disabled T-cell-mediated anti-tumor responses. MCSF blockade negates this effect, allowing radiation to have increased efficacy in slowing tumor growth.
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Affiliation(s)
- Lena Seifert
- Department of Surgery, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Gregor Werba
- Department of Surgery, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Shaun Tiwari
- Department of Surgery, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Nancy Ngoc Giao Ly
- Department of Surgery, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Susanna Nguy
- Department of Radiation Oncology, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Sara Alothman
- Department of Surgery, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Dalia Alqunaibit
- Department of Surgery, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Antonina Avanzi
- Department of Surgery, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Donnele Daley
- Department of Surgery, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Rocky Barilla
- Department of Surgery, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Daniel Tippens
- Department of Surgery, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Alejandro Torres-Hernandez
- Department of Surgery, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Mautin Hundeyin
- Department of Surgery, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Vishnu R Mani
- Department of Surgery, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Cristina Hajdu
- Department of Pathology, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Ilenia Pellicciotta
- Department of Pathology, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Philmo Oh
- Department of Radiation Oncology, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - Kevin Du
- Department of Radiation Oncology, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York
| | - George Miller
- Department of Surgery, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York; Department of Cell Biology, S Arthur Localio Laboratory, New York University School of Medicine, New York, New York.
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Li R, Zhang Y, Mohamed MA, Wei X, Cheng C. Macrophages play an essential role in the long effects of low-dose photodynamic therapy on vessel permeability. Int J Biochem Cell Biol 2015; 71:55-61. [PMID: 26667270 DOI: 10.1016/j.biocel.2015.12.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 11/25/2015] [Accepted: 12/02/2015] [Indexed: 12/16/2022]
Abstract
Low-dose photodynamic therapy (L-PDT) has been used to transiently increase the permeability of tumor vessels to improve the delivery of chemotherapeutic drugs to lung tumors. However, the effects of L-PDT in a long-term on delivery of chemotherapeutic drugs are unknown. In this study, we studied this question as well as the underlying mechanisms. We found that the effects of L-PDT on tumor vessel permeability appeared to be prolonged. Moreover, L-PDT significantly increased the number of tumor associated macrophages, and appeared to induce macrophage polarization to a M1 phenotype. Further analyses showed that L-PDT upregulated stromal cell-derived factor 1 (SDF-1) in tumor to recruit macrophages through a SDF-1/Chemokine (C-X-C Motif) Receptor 4 (CXCR4) axis, which accounted for the prolonged effects of L-PDT on vessel permeability. Application of a specific CXCR4 inhibitor significantly suppressed the L-PDT-induced macrophage recruitment, resulting in abolishment of the prolonged effects of L-PDT on vessel permeability. Furthermore, the inhibitory effects of Liporubicin™ on the growth of the implanted tumor in L-PDT-treated mice were significantly attenuated by CXCR4 inhibition. Thus, our data demonstrate a previously unappreciated long-lasting effect of L-PDT on vessel permeability, and suggest that this long-lasting effects of L-PDT treatment on vessel permeability may result from modulation of macrophage recruitment and polarization. Hence, L-PDT may be a promising method to assist chemotherapeutic approaches.
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Affiliation(s)
- Rui Li
- Department of Cardiothoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yi Zhang
- Department of Surgery, the Third Affiliated Hospital of Jianghan University, 259 Baixiu Street, Wuhan 430030, China
| | - Mohamed Abdulkadir Mohamed
- Department of Cardiothoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xiang Wei
- Department of Cardiothoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Cai Cheng
- Department of Cardiothoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
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Abernathy LM, Fountain MD, Rothstein SE, David JM, Yunker CK, Rakowski J, Lonardo F, Joiner MC, Hillman GG. Soy Isoflavones Promote Radioprotection of Normal Lung Tissue by Inhibition of Radiation-Induced Activation of Macrophages and Neutrophils. J Thorac Oncol 2015; 10:1703-12. [PMID: 26709479 PMCID: PMC6876621 DOI: 10.1097/jto.0000000000000677] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Radiation therapy for lung cancer is limited by toxicity to normal lung tissue that results from an inflammatory process, leading to pneumonitis and fibrosis. Soy isoflavones mitigate inflammatory infiltrates and radiation-induced lung injury, but the cellular immune mediators involved in the radioprotective effect are unknown. METHODS Mice received a single dose of 10 Gy radiation delivered to the lungs and daily oral treatment of soy isoflavones. At different time points, mice were either processed to harvest bronchoalveolar lavage fluid for differential cell counting and lungs for flow cytometry or immunohistochemistry studies. RESULTS Combined soy and radiation led to a reduction in infiltration and activation of alveolar macrophages and neutrophils in both the bronchoalveolar and lung parenchyma compartments. Soy treatment protected F4/80CD11c interstitial macrophages, which are known to play an immunoregulatory role and are decreased by radiation. Furthermore, soy isoflavones reduced the levels of nitric oxide synthase 2 expression while increasing arginase-1 expression after radiation, suggesting a switch from proinflammatory M1 macrophage to an anti-inflammatory M2 macrophage phenotype. Soy also prevented the influx of activated neutrophils in lung caused by radiation. CONCLUSIONS Soy isoflavones inhibit the infiltration and activation of macrophages and neutrophils induced by radiation in lungs. Soy isoflavones-mediated modulation of macrophage and neutrophil responses to radiation may contribute to a mechanism of resolution of radiation-induced chronic inflammation leading to radioprotection of lung tissue.
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Affiliation(s)
- Lisa M. Abernathy
- Department of Oncology, Division of Radiation Oncology, Wayne State University School of Medicine, Detroit, MI 48201, U.S.A
- Department of Immunology and Microbiology, Wayne State University School of Medicine, Detroit, MI 48201, U.S.A
| | - Matthew D. Fountain
- Department of Oncology, Division of Radiation Oncology, Wayne State University School of Medicine, Detroit, MI 48201, U.S.A
- Department of Immunology and Microbiology, Wayne State University School of Medicine, Detroit, MI 48201, U.S.A
| | - Shoshana E. Rothstein
- Department of Oncology, Division of Radiation Oncology, Wayne State University School of Medicine, Detroit, MI 48201, U.S.A
| | - John M. David
- Department of Oncology, Division of Radiation Oncology, Wayne State University School of Medicine, Detroit, MI 48201, U.S.A
| | - Christopher K. Yunker
- Department of Oncology, Division of Radiation Oncology, Wayne State University School of Medicine, Detroit, MI 48201, U.S.A
| | - Joseph Rakowski
- Department of Oncology, Division of Radiation Oncology, Wayne State University School of Medicine, Detroit, MI 48201, U.S.A
| | - Fulvio Lonardo
- Department of Pathology, Wayne State University School of Medicine, Detroit, MI 48201, U.S.A
| | - Michael C. Joiner
- Department of Oncology, Division of Radiation Oncology, Wayne State University School of Medicine, Detroit, MI 48201, U.S.A
| | - Gilda G. Hillman
- Department of Oncology, Division of Radiation Oncology, Wayne State University School of Medicine, Detroit, MI 48201, U.S.A
- Department of Immunology and Microbiology, Wayne State University School of Medicine, Detroit, MI 48201, U.S.A
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Suzuki Y. Influences of radiation on carp from farm ponds in Fukushima. J Radiat Res 2015; 56 Suppl 1:i19-i23. [PMID: 26666689 PMCID: PMC4732535 DOI: 10.1093/jrr/rrv076] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Revised: 10/01/2015] [Accepted: 10/09/2015] [Indexed: 06/05/2023]
Abstract
A massive release of artificial radionuclides from the Fukushima Dai-ichi Nuclear Power Plant caused radioactive contamination of farms as well as of aquatic products. Carp in small ponds in the highly radiocontaminated area of Iitate Village, Fukushima Prefecture, have been confined to the ponds since the accident, and it is thought that the carp may have suffered health issues as a result. Therefore, I investigated the health condition of the carp in order to elucidate the effects of radiation.Blood neutrophil, monocyte and lymphocyte counts in the carp from three ponds in Fukushima were lower than those in carp from a non-polluted pond in Tochigi Prefecture. Histological observations indicated abnormal hyperplasia of macrophages in the spleen, kidney, liver and pancreas of carp in Fukushima. Although there are likely to have been deleterious effects on carp health due to the radiation in Fukushima, this has not yet been confirmed because only one control pond was available for comparison, and I was not able to find any symptoms in the carp that correlated with internal cesium concentration. Further research is now being conducted to investigate the effects of radiation on carp.
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Affiliation(s)
- Yuzuru Suzuki
- Fisheries Laboratory, The University of Tokyo, Bentenjima, Maisaka, Hamamatsu-City, Shizuoka 431-0214, Japan
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Lee YH, Wu ZY. Enhancing Macrophage Drug Delivery Efficiency via Co-Localization of Cells and Drug-Loaded Microcarriers in 3D Resonant Ultrasound Field. PLoS One 2015; 10:e0135321. [PMID: 26267789 PMCID: PMC4534044 DOI: 10.1371/journal.pone.0135321] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Accepted: 07/21/2015] [Indexed: 11/18/2022] Open
Abstract
In this study, a novel synthetic 3D molecular transfer system which involved the use of model drug calcein-AM-encapsulated poly(lactic-co-glycolic acid) microspheres (CAPMs) and resonant ultrasound field (RUF) with frequency of 1 MHz and output intensity of 0.5 W/cm2 for macrophage drug delivery was explored. We hypothesized that the efficiency of CAPMs-mediated drug delivery aided by RUF can be promoted by increasing the contact opportunities between cells and the micrometer-sized drug carriers due to effects of acoustic radiation forces generated by RUF. Through the fluoromicroscopic and flow cytometric analyses, our results showed that both DH82 macrophages and CAPMs can be quickly brought to acoustic pressure nodes within 20 sec under RUF exposure, and were consequently aggregated throughout the time course. The efficacy of cellular uptake of CAPMs was enhanced with increased RUF exposure time where a 3-fold augmentation (P < 0.05) was obtained after 15 min of RUF exposure. We further demonstrated that the enhanced CAPM delivery efficiency was mainly contributed by the co-localization of cells and CAPMs resulting from the application of the RUF, rather than from sonoporation. In summary, the developed molecular delivery approach provides a feasible means for macrophage drug delivery.
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Affiliation(s)
- Yu-Hsiang Lee
- Graduate Institute of Biomedical Engineering, National Central University, Taoyuan City, Taiwan, R.O.C
- * E-mail:
| | - Zhen-Yu Wu
- Graduate Institute of Biomedical Engineering, National Central University, Taoyuan City, Taiwan, R.O.C
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Jeong SJ, Choi BD, Lee HY, Hwang YH, Kim BH, Cho YI, Yun JJ, Lee BH, Jeong MJ. 660 nm Red LED Induces Secretory Leukocyte Protease Inhibitor (SLPI) in Lipopolysaccharide-Stimulated RAW264.7 Cell. J Nanosci Nanotechnol 2015; 15:5610-5616. [PMID: 26369126 DOI: 10.1166/jnn.2015.10465] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
SLPI acts as a modulator of the innate immune responses of macrophages, neutrophils and odontoblasts, and LPS-inducible anti-inflammatory cytokine to suppress the production of pro-inflammatory products by macrophages. Many studies have revealed the effects of light emitting diodes (LEDs) on the tissue repair and inflammatory responses. Although the anti-inflammatory mechanisms of irradiation with LEDs in gingival fibroblasts are known, the effects of 660 nm red LEDs on the inflammation remain unclear. Moreover, there is no report regarding the molecular mechanism for the relationship between SLPI and biological effects of LEDs. The effects of 660 nm red LEDs on inflammation with SLPI were investigated by examining the effects of 660 nm LED on the SLPI expression of RAW264.7 cells after LPS stimulation. This paper reports that the 660 nm red LED induced SLPI expression or reduced the LPS response, and inhibited NF-κB activation directly, leading to the suppression of pro-inflammatory cytokines, such as TNF-α and IL-1β, suggesting that it might be a useful wavelength LED for inflammation therapy.
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Liang S, Zhao Y, Xu S, Wu X, Chen J, Wu M, Zhao JX. A silica-gold-silica nanocomposite for photothermal therapy in the near-infrared region. ACS Appl Mater Interfaces 2015; 7:85-93. [PMID: 25470187 DOI: 10.1021/am507644b] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
The focus of this work was to study the photothermal effect of a silica-gold-silica nanocomposite in the near-infrared (NIR) region. The NIR region is considered a biological window because living cells and tissues have low light scattering and adsorption in this region. Both a laser source and a tungsten lamp source were used in this study. The critical parameters for photothermal efficiency, including nancomposite concentration and irradiation time, were evaluated. The penetration of the nanocomposites into mammalian cells was also investigated. With laser irradiation, the nanocomposite showed a significant photothermal effect in the NIR region. The maximal temperature that the nanocomposites could reach was 51.9 °C. Vybrant assays showed that 5 min of laser irradiation along with the nanocomposite caused target cell death through both apoptosis (59%) and necrosis (31%), while controls showed minimal effects. The nanocomposite may be a potential light-absorbing agent for NIR fluorescence-guided photothermal therapy.
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Affiliation(s)
- Song Liang
- Department of Chemistry and ‡Department of Biochemistry and Molecular Biology, University of North Dakota , Grand Forks, North Dakota 58202, United States
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Sun X, Xu H, Shen J, Guo S, Shi S, Dan J, Tian F, Tian Y, Tian Y. Real-time detection of intracellular reactive oxygen species and mitochondrial membrane potential in THP-1 macrophages during ultrasonic irradiation for optimal sonodynamic therapy. Ultrason Sonochem 2015; 22:7-14. [PMID: 25023826 DOI: 10.1016/j.ultsonch.2014.06.016] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Revised: 06/21/2014] [Accepted: 06/22/2014] [Indexed: 06/03/2023]
Abstract
Reactive oxygen species (ROS) elevation and mitochondrial membrane potential (MMP) loss have been proven recently to be involved in sonodynamic therapy (SDT)-induced macrophage apoptosis and necrosis. This study aims to develop an experimental system to monitor intracellular ROS and MMP in real-time during ultrasonic irradiation in order to achieve optimal effect in SDT. Cultured THP-1 derived macrophages were incubated with 5-aminolevulinic acid (ALA), and then sonicated at different intensities. Intracellular ROS elevation and MMP loss were detected in real-time by fluorospectrophotometer using fluorescence probe DCFH-DA and jc-1, respectively. Ultrasound at low intensities (less than 0.48W/cm(2)) had no influence on ROS and MMP in macrophages, whereas at an intensity of 0.48W/cm(2), ROS elevation and MMP loss were observed during ultrasonic irradiation. These effects were strongly enhanced in the presence of ALA. Quantitative analysis showed that ROS elevation and MMP loss monotonically increased with the rise of ultrasonic intensity between 0.48 and 1.16W/cm(2). SDT at 0.48 and 0.84W/cm(2) induced mainly apoptosis in THP-1 macrophages while SDT at 1.16W/cm(2) mainly cell necrosis. This study supports the validity and potential utility of real-time ROS and MMP detection as a dosimetric tool for the determination of optimal SDT.
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Affiliation(s)
- Xin Sun
- Department of Cardiology, The First Affiliated Hospital, Cardiovascular Institute, Harbin Medical University, Harbin 150001, China; Department of Pathophysiology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, Harbin 150081, China
| | - Haobo Xu
- Department of Cardiology, The First Affiliated Hospital, Cardiovascular Institute, Harbin Medical University, Harbin 150001, China
| | - Jing Shen
- Department of Oncology, The Third Affiliated Hospital, Harbin Medical University, Harbin 150081, China
| | - Shuyuan Guo
- Department of Cardiology, The First Affiliated Hospital, Cardiovascular Institute, Harbin Medical University, Harbin 150001, China
| | - Sa Shi
- Department of Pathophysiology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, Harbin 150081, China
| | - Juhua Dan
- Department of Pathophysiology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, Harbin 150081, China
| | - Fang Tian
- Department of Cardiology, The First Affiliated Hospital, Cardiovascular Institute, Harbin Medical University, Harbin 150001, China
| | - Yanfeng Tian
- Department of Cardiology, The First Affiliated Hospital, Cardiovascular Institute, Harbin Medical University, Harbin 150001, China
| | - Ye Tian
- Department of Cardiology, The First Affiliated Hospital, Cardiovascular Institute, Harbin Medical University, Harbin 150001, China; Department of Pathophysiology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, Harbin 150081, China.
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Panzarini E, Inguscio V, Fimia GM, Dini L. Rose Bengal acetate photodynamic therapy (RBAc-PDT) induces exposure and release of Damage-Associated Molecular Patterns (DAMPs) in human HeLa cells. PLoS One 2014; 9:e105778. [PMID: 25140900 PMCID: PMC4139382 DOI: 10.1371/journal.pone.0105778] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Accepted: 07/21/2014] [Indexed: 02/01/2023] Open
Abstract
The new concept of Immunogenic Cell Death (ICD), associated with Damage Associated Molecular Patterns (DAMPs) exposure and/or release, is recently becoming very appealing in cancer treatment. In this context, PhotoDynamic Therapy (PDT) can give rise to ICD and to immune response upon dead cells removal. The list of PhotoSensitizers (PSs) able to induce ICD is still short and includes Photofrin, Hypericin, Foscan and 5-ALA. The goal of the present work was to investigate if Rose Bengal Acetate (RBAc), a powerful PS able to trigger apoptosis and autophagy, enables photosensitized HeLa cells to expose and/or release pivotal DAMPs, i.e. ATP, HSP70, HSP90, HMGB1, and calreticulin (CRT), that characterize ICD. We found that apoptotic HeLa cells after RBAc-PDT exposed and released, early after the treatment, high amount of ATP, HSP70, HSP90 and CRT; the latter was distributed on the cell surface as uneven patches and co-exposed with ERp57. Conversely, autophagic HeLa cells after RBAc-PDT exposed and released HSP70, HSP90 but not CRT and ATP. Exposure and release of HSP70 and HSP90 were always higher on apoptotic than on autophagic cells. HMGB1 was released concomitantly to secondary necrosis (24 h after RBAc-PDT). Phagocytosis assay suggests that CRT is involved in removal of RBAc-PDT generated apoptotic HeLa cells. Altogether, our data suggest that RBAc has all the prerequisites (i.e. exposure and/or release of ATP, CRT, HSP70 and HSP90), that must be verified in future vaccination experiments, to be considered a good PS candidate to ignite ICD. We also showed tha CRT is involved in the clearance of RBAc photokilled HeLa cells. Interestingly, RBAc-PDT is the first cancer PDT protocol able to induce the translocation of HSP90 and plasma membrane co-exposure of CRT with ERp57.
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Affiliation(s)
- Elisa Panzarini
- Department of Biological and Environmental Science and Technology (Di.S.Te.B.A.), University of Salento, Lecce, Italy
| | - Valentina Inguscio
- Department of Biological and Environmental Science and Technology (Di.S.Te.B.A.), University of Salento, Lecce, Italy
| | - Gian Maria Fimia
- Department of Biological and Environmental Science and Technology (Di.S.Te.B.A.), University of Salento, Lecce, Italy
- National Institute for Infectious Diseases IRCCS “L. Spallanzani,” Rome, Italy
| | - Luciana Dini
- Department of Biological and Environmental Science and Technology (Di.S.Te.B.A.), University of Salento, Lecce, Italy
- * E-mail:
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Mirzoeva S, Paunesku T, Wanzer MB, Shirvan A, Kaempfer R, Woloschak GE, Small W. Single administration of p2TA (AB103), a CD28 antagonist peptide, prevents inflammatory and thrombotic reactions and protects against gastrointestinal injury in total-body irradiated mice. PLoS One 2014; 9:e101161. [PMID: 25054224 PMCID: PMC4108308 DOI: 10.1371/journal.pone.0101161] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Accepted: 06/03/2014] [Indexed: 01/19/2023] Open
Abstract
The goal of this study was to elucidate the action of the CD28 mimetic peptide p2TA (AB103) that attenuates an excessive inflammatory response in mitigating radiation-induced inflammatory injuries. BALB/c and A/J mice were divided into four groups: Control (C), Peptide (P; 5 mg/kg of p2TA peptide), Radiation (R; total body irradiation with 8 Gy γ-rays), and Radiation + Peptide (RP; irradiation followed by p2TA peptide 24 h later). Gastrointestinal tissue damage was evaluated by analysis of jejunum histopathology and immunohistochemistry for cell proliferation (Cyclin D1) and inflammation (COX-2) markers, as well as the presence of macrophages (F4/80). Pro-inflammatory cytokines IL-6 and KC as well as fibrinogen were quantified in plasma samples obtained from the same mice. Our results demonstrated that administration of p2TA peptide significantly reduced the irradiation-induced increase of IL-6 and fibrinogen in plasma 7 days after exposure. Seven days after total body irradiation with 8 Gy of gamma rays numbers of intestinal crypt cells were reduced and villi were shorter in irradiated animals compared to the controls. The p2TA peptide delivery 24 h after irradiation led to improved morphology of villi and crypts, increased Cyclin D1 expression, decreased COX-2 staining and decreased numbers of macrophages in small intestine of irradiated mice. Our study suggests that attenuation of CD28 signaling is a promising therapeutic approach for mitigation of radiation-induced tissue injury.
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Affiliation(s)
- Salida Mirzoeva
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America
| | - Tatjana Paunesku
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America
| | - M. Beau Wanzer
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America
| | | | - Raymond Kaempfer
- Department of Biochemistry and Molecular Biology, Institute of Medical Research Israel-Canada, The Hebrew University-Hadassah Medical School, Jerusalem, Israel
| | - Gayle E. Woloschak
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America
| | - William Small
- Department of Radiation Oncology, Loyola University Stritch School of Medicine, Chicago, Illinois, United States of America
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Guo CX, Tran H, Green CR, Danesh-Meyer HV, Acosta ML. Gap junction proteins in the light-damaged albino rat. Mol Vis 2014; 20:670-82. [PMID: 24883012 PMCID: PMC4037536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2013] [Accepted: 05/24/2014] [Indexed: 12/01/2022] Open
Abstract
PURPOSE Changes in connexin expression are associated with many pathological conditions seen in animal models and in humans. We hypothesized that gap junctions are important mediators in tissue dysfunction and injury processes in the retina, and therefore, we investigated the pattern of connexin protein expression in the light-damaged albino rat eye. METHODS Adult Sprague-Dawley rats were exposed to intense light for 24 h. The animals were euthanized, and ocular tissue was harvested at 0 h, 6 h, 24 h, 48 h, and 7 days after light damage. The tissues were processed for immunohistochemistry and western blotting to analyze the expression of the gap junction proteins in the light-damaged condition compared to the non-light-damaged condition. Cell death was detected using the terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) technique. RESULTS Intense light exposure caused increased TUNEL labeling of photoreceptor cells. Immunocytochemistry revealed that connexin 36 (Cx36) was significantly increased in the inner plexiform layer and Cx45 was significantly decreased in the light-damaged retina. The pattern of Cx36 and Cx45 labeling returned to normal 7 days after light damage. Cx43 significantly increased in the RPE and the choroid in the light-damaged tissue, and decreased but not significantly in the retina. This elevated Cx43 expression in the choroid colocalized with markers of nitration-related oxidative stress (nitrotyrosine) and inflammation (CD45 and ionized calcium-binding adaptor molecule-1) in the choroid. CONCLUSIONS The results suggest that connexins are regulated differently in the retina than in the choroid in response to photoreceptor damage. Changes in connexins, including Cx36, Cx43, and Cx45, may contribute to the damage process. Specifically, Cx43 was associated with inflammatory damage. Therefore, connexins may be candidate targets for treatment for ameliorating disease progression.
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Affiliation(s)
- Cindy X Guo
- Department of Optometry and Vision Science, University of Auckland, Auckland, New Zealand ; New Zealand National Eye Centre, University of Auckland, Auckland, New Zealand
| | - Henry Tran
- Department of Optometry and Vision Science, University of Auckland, Auckland, New Zealand
| | - Colin R Green
- Department of Ophthalmology, University of Auckland, Auckland, New Zealand ; New Zealand National Eye Centre, University of Auckland, Auckland, New Zealand
| | - Helen V Danesh-Meyer
- Department of Ophthalmology, University of Auckland, Auckland, New Zealand ; New Zealand National Eye Centre, University of Auckland, Auckland, New Zealand
| | - Monica L Acosta
- Department of Optometry and Vision Science, University of Auckland, Auckland, New Zealand ; New Zealand National Eye Centre, University of Auckland, Auckland, New Zealand
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Klug F, Prakash H, Huber PE, Seibel T, Bender N, Halama N, Pfirschke C, Voss RH, Timke C, Umansky L, Klapproth K, Schäkel K, Garbi N, Jäger D, Weitz J, Schmitz-Winnenthal H, Hämmerling GJ, Beckhove P. Low-dose irradiation programs macrophage differentiation to an iNOS⁺/M1 phenotype that orchestrates effective T cell immunotherapy. Cancer Cell 2013; 24:589-602. [PMID: 24209604 DOI: 10.1016/j.ccr.2013.09.014] [Citation(s) in RCA: 740] [Impact Index Per Article: 67.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2012] [Revised: 04/30/2013] [Accepted: 09/19/2013] [Indexed: 10/26/2022]
Abstract
Inefficient T cell migration is a major limitation of cancer immunotherapy. Targeted activation of the tumor microenvironment may overcome this barrier. We demonstrate that neoadjuvant local low-dose gamma irradiation (LDI) causes normalization of aberrant vasculature and efficient recruitment of tumor-specific T cells in human pancreatic carcinomas and T-cell-mediated tumor rejection and prolonged survival in otherwise immune refractory spontaneous and xenotransplant mouse tumor models. LDI (local or pre-adoptive-transfer) programs the differentiation of iNOS⁺ M1 macrophages that orchestrate CTL recruitment into and killing within solid tumors through iNOS by inducing endothelial activation and the expression of TH1 chemokines and by suppressing the production of angiogenic, immunosuppressive, and tumor growth factors.
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Affiliation(s)
- Felix Klug
- Division of Translational Immunology, German Cancer Research Center (DKFZ) and National Center of Tumor Diseases (NCT), 69120 Heidelberg, Germany
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Pattison DI, Lam M, Shinde SS, Anderson RF, Davies MJ. The nitroxide TEMPO is an efficient scavenger of protein radicals: cellular and kinetic studies. Free Radic Biol Med 2012; 53:1664-74. [PMID: 22974763 DOI: 10.1016/j.freeradbiomed.2012.08.578] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2012] [Revised: 08/10/2012] [Accepted: 08/20/2012] [Indexed: 11/18/2022]
Abstract
Protein oxidation occurs during multiple human pathologies, and protein radicals are known to induce damage to other cell components. Such damage may be modulated by agents that scavenge protein radicals. In this study, the potential protective reactions of the nitroxide TEMPO (2,2,6,6-tetramethyl-1-piperidinyloxyl radical) against Tyr- and Trp-derived radicals (TyrO./TrpN.) have been investigated. Pretreatment of macrophage cells with TEMPO provided protection against photo-oxidation-induced loss of cell viability and Tyr oxidation, with the nitroxide more effective than the hydroxylamine or parent amine. Pulse radiolysis was employed to determine rate constants, k, for the reaction of TEMPO with TyrO. and TrpN. generated on N-Ac-Tyr-amide and N-Ac-Trp-amide, with values of k~10(8) and 7×10(6)M(-1)s(-1), respectively, determined. Analogous studies with lysozyme, chymotrypsin, and pepsin yielded k for TEMPO reacting with TrpN. ranging from 1.5×10(7) (lysozyme) to 1.1×10(8) (pepsin)M(-1)s(-1). Pepsin-derived TyrO. reacted with TEMPO with k~4×10(7)M(-1)s(-1); analogous reactions for lysozyme and chymotrypsin TyrO. were much slower. These data indicate that TEMPO can inhibit secondary reactions of both TyrO. and TrpN., though this is protein dependent. Such protein radical scavenging may contribute to the positive biological effects of nitroxides.
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Park HR, Jo SK, Yu DK, Jung U. Fractionated irradiations lead to chronic allergic airway inflammation through increasing the influx of macrophages. Inflamm Res 2012; 62:27-36. [PMID: 22915088 DOI: 10.1007/s00011-012-0547-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2012] [Revised: 07/17/2012] [Accepted: 08/06/2012] [Indexed: 11/26/2022] Open
Abstract
OBJECTIVE In our previous study, repeated irradiations showed persistent depression of immune response, especially Th1-related immune response. Here, we hypothesized and determined that irradiation may exacerbate development of allergic airway inflammation. METHODS C57BL/6 mice were irradiated repeatedly at 1 Gy or 0.5 Gy. At 6 months after irradiation, mice were sensitized and challenged short-term with OVA. Antigen-specific immunoglobulins, the percentages of inflammatory cells, chemokine expression, cytokine levels, and collagen deposition were tested. RESULTS In irradiated mice, IgG2a in serum was lower when compared with that of control mice, while IgG1 was significantly higher. Interestingly, the percentages of macrophages in bronchoalveolar lavage fluid (BALF) and the lung of irradiated mice were significantly higher. Conversely, the percentages of neutrophil were significantly lower in BALF of irradiated mice. In the lung of irradiated mice, MCP-1 and IP-10 for attraction of macrophages showed the higher expression level, but KC expression for neutrophils showed no difference. Next, TGF-β1 and IL-17A in BALF were higher in irradiated mice. In addition, phosphorylated-Smad2/3 was increased in irradiated mice. Finally, the deposition of collagen was increased in irradiated mice. CONCLUSION Our study showed that fractionated irradiation lead to the chronic allergic airway inflammation through increasing the influx of macrophages and active TGF-β levels.
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Affiliation(s)
- Hae-Ran Park
- Radiation Division for Biotechnology, Advanced Radiation Technology Institute, Jeongeup Campus of Korea Atomic Energy Research Institute (KAERI), 1266 Sinjeong-dong, Jeongeup-si, Jeonbuk, Republic of Korea.
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Coquery N, Pannetier N, Farion R, Herbette A, Azurmendi L, Clarencon D, Bauge S, Josserand V, Rome C, Coll JL, Sun JS, Barbier EL, Dutreix M, Remy CC. Distribution and radiosensitizing effect of cholesterol-coupled Dbait molecule in rat model of glioblastoma. PLoS One 2012; 7:e40567. [PMID: 22815765 PMCID: PMC3398898 DOI: 10.1371/journal.pone.0040567] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Accepted: 06/09/2012] [Indexed: 11/19/2022] Open
Abstract
Background Glioma is the most aggressive tumor of the brain and the most efficient treatments are based on radiotherapy. However, tumors are often resistant to radiotherapy due to an enhanced DNA repair activity. Short and stabilized DNA molecules (Dbait) have recently been proposed as an efficient strategy to inhibit DNA repair in tumor. Methodology/Principal Findings The distribution of three formulations of Dbait, (i) Dbait alone, (ii) Dbait associated with polyethylenimine, and (iii) Dbait linked with cholesterol (coDbait), was evaluated one day after intratumoral delivery in an RG2 rat glioma model. Dbait molecule distribution was assessed in the whole organ with 2D-FRI and in brain sections. CoDbait was chosen for further studies given its good retention in the brain, cellular localization, and efficacy in inducing the activation of DNA repair effectors. The radiosensitizing effect of coDbait was studied in four groups of rats bearing RG2-glioma: no treatment, radiotherapy only, coDbait alone, and CoDbait with radiotherapy. Treatment started 7 days after tumor inoculation and consisted of two series of treatment in two weeks: coDbait injection followed by a selective 6-Gy irradiation of the head. We evaluated the radiosensitizing effect using animal survival, tumor volume, cell proliferation, and vasculature characteristics with multiparametric MRI. CoDbait with radiotherapy improved the survival of rats bearing RG2-glioma by reducing tumor growth and cell proliferation without altering tumor vasculature. Conclusion/Significance coDbait is therefore a promising molecular therapy to sensitize glioma to radiotherapy.
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Fuster JJ, Molina-Sánchez P, Jovaní D, Vinué Á, Serrano M, Andrés V. Increased gene dosage of the Ink4/Arf locus does not attenuate atherosclerosis development in hypercholesterolaemic mice. Atherosclerosis 2011; 221:98-105. [PMID: 22226369 DOI: 10.1016/j.atherosclerosis.2011.12.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2011] [Revised: 12/12/2011] [Accepted: 12/12/2011] [Indexed: 12/23/2022]
Abstract
RATIONALE Human genome-wide association studies have identified genetic variants in the chromosome 9p21 region that confer increased risk of coronary artery disease and other age-related diseases. These variants are located in a block of high linkage disequilibrium with the neighboring Ink4/Arf tumor-suppressor locus (also named CDKN2A/CDKN2B). Since previous studies suggest an atheroprotective role of the Ink4/Arf locus, here we assessed whether gain-of-function of the encoded genes can be exploited therapeutically to reduce atherosclerosis. METHODS Generation and characterization of apolipoprotein E-null mice carrying an additional transgenic copy of the entire Ink4/Arf locus (apoE-/-Super-Ink4/Arf) that reproduces the normal expression and regulation of the endogenous locus. RESULTS Although liver and aorta of apoE-/-Super-Ink4/Arf mice only showed a trend towards increased Ink4/Arf transcript levels compared to apoE-/- controls, cultured macrophages with increased Ink4/Arf gene dosage exhibited augmented apoptosis induced by irradiation with ultraviolet light, indicating that low level of transgene overexpression can lead to augmented Ink4/Arf function. However, increased Ink4/Arf gene dosage did not affect atherosclerosis development in different vascular regions of both male and female apoE-/- mice fed either normal or high-fat diet. Increased gene dosage of Ink4/Arf similarly had no effect on atheroma cell composition or collagen content, an index of plaque stability. CONCLUSION In contrast with previous studies demonstrating cancer resistance in Super-Ink4/Arf mice carrying an additional transgenic copy of the entire Ink4/Arf locus, our results cast doubt on the potential of Ink4/Arf activation as a strategy for the treatment of atherosclerotic disease.
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Affiliation(s)
- José J Fuster
- Department of Epidemiology, Atherothrombosis and Imaging, Centro Nacional de Investigaciones Cardiovasculares, Melchor Fernández Almagro 3, 28029 Madrid, Spain
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