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Guo Y, Lv T, Li Z, Wei X, Yang C, Li W, Hou X, Wang Z, Qian R. Acidity-activatable dynamic hybrid nanoplatforms derived from extracellular vesicles of M1 macrophages enhance cancer immunotherapy through synergistic triple immunotherapy. J Nanobiotechnology 2024; 22:430. [PMID: 39033108 PMCID: PMC11264854 DOI: 10.1186/s12951-024-02719-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Accepted: 07/12/2024] [Indexed: 07/23/2024] Open
Abstract
Immunotherapy exhibits considerable promise for sustained tumor reduction. However, current cancer immunotherapy methods elicit limited responses due to the inadequate immunogenicity exhibited by cancer cells. This obstacle may be addressed using nanoplatforms that can activate synergistic therapies (photodynamic therapy and ferroptosis) in response to the acidic pH of the tumor microenvironment. We previously developed an amphiphilic photosensitizer, SR780, which displays satisfactory photodynamic effects. This photosensitizer is inactivated when bound to Fe3+ (SR780Fe) but is activated upon release in mildly acidic conditions. In this study, M1 macrophage-derived extracellular vesicles (EVs) were fused with REV and SR780Fe-loaded liposomes (REV@SR780Fe@Lip) to form REV@SR780Fe@LEV hybrid nanovesicles. Further modification with the RS17 peptide for tumor targeting enabled a combination of photodynamic therapy, ferroptosis, and cGAS-STING pathway activation, resulting in enhanced antitumor efficacy through a synergistic effect. Upon laser irradiation, REV@SR780Fe@LEV-RS17 demonstrated antitumor effects in 4T1 breast cancer models, including the inhibition of lung and liver metastasis, as well as prevention of tumor recurrence.
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Affiliation(s)
- Yawen Guo
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450000, People's Republic of China
- Department of Immuno-Oncology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People's Republic of China
| | - Tingting Lv
- Department of Immuno-Oncology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People's Republic of China
| | - Zijie Li
- Department of Immuno-Oncology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People's Republic of China
| | - Xin Wei
- Department of Ultrasound, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, People's Republic of China
| | - Chunwang Yang
- Department of Immuno-Oncology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People's Republic of China
| | - Wen Li
- Department of Immuno-Oncology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People's Republic of China
| | - Xiaoming Hou
- Department of Immuno-Oncology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People's Republic of China
| | - Zhiyu Wang
- Department of Immuno-Oncology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People's Republic of China
| | - Ruijie Qian
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450000, People's Republic of China.
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Sun Q, Zhou Y, Ma M, Zhang F, Li S, Chen Z, Fang Y, Le T, Xing F. Development of a "Signal-On" Fluorescent Aptasensor for Highly Selective and Sensitive Detection of ZEN in Cereal Products Using Nitrogen-Doped Carbon Dots Based on the Inner Filter Effect. BIOSENSORS 2024; 14:347. [PMID: 39056623 PMCID: PMC11274622 DOI: 10.3390/bios14070347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2024] [Revised: 07/12/2024] [Accepted: 07/15/2024] [Indexed: 07/28/2024]
Abstract
This study aimed to develop a novel fluorescent aptasensor for the quantitative detection of zearalenone (ZEN), addressing the limitations of conventional detection techniques in terms of speed, sensitivity, and ease of use. Nitrogen-doped carbon dots (N-CDs) were synthesized via the hydrothermal method, resulting in spherical particles with a diameter of 3.25 nm. These N-CDs demonstrated high water solubility and emitted a bright blue light at 440 nm when excited at 355 nm. The fluorescence of N-CDs was quenched by dispersed gold nanoparticles (AuNPs) through the inner filter effect, while aggregated AuNPs induced by NaCl did not affect the fluorescence of N-CDs. The aptamer could protect AuNPs from NaCl-induced aggregation, but the presence of ZEN weakened this protective effect. Based on this principle, optimal conditions for ZEN detection included 57 mM NaCl, 12.5 nM aptamer concentration, incubation of AuNPs with NaCl for 15 min in Tris-EDTA(TE) buffer, and incubation of aptamer with ZEN and NaCl for 30 min. Under these optimized conditions, the "signal-on" fluorescent aptasensor for ZEN detection showed a linear range of 0.25 to 200 ng/mL with a low detection limit of 0.0875 ng/mL. Furthermore, the developed aptasensor exhibited excellent specificity and could rapidly detect ZEN in corn flour samples or corn oil, achieving satisfactory recovery rates ranging from 84.7% to 108.6%. Therefore, this study presents an economical, convenient, sensitive, and rapid method for accurately quantifying ZEN in cereal products.
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Affiliation(s)
- Qi Sun
- Chongqing Key Laboratory of Conservation and Utilization of Freshwater Fishes, College of Life Sciences, Chongqing Normal University, No. 37 Chengzhong Road, Shapingba District, Chongqing 401331, China; (Y.Z.); (M.M.); (F.Z.); (S.L.); (Z.C.); (Y.F.); (T.L.)
| | - Yuting Zhou
- Chongqing Key Laboratory of Conservation and Utilization of Freshwater Fishes, College of Life Sciences, Chongqing Normal University, No. 37 Chengzhong Road, Shapingba District, Chongqing 401331, China; (Y.Z.); (M.M.); (F.Z.); (S.L.); (Z.C.); (Y.F.); (T.L.)
| | - Miaomiao Ma
- Chongqing Key Laboratory of Conservation and Utilization of Freshwater Fishes, College of Life Sciences, Chongqing Normal University, No. 37 Chengzhong Road, Shapingba District, Chongqing 401331, China; (Y.Z.); (M.M.); (F.Z.); (S.L.); (Z.C.); (Y.F.); (T.L.)
| | - Fuyan Zhang
- Chongqing Key Laboratory of Conservation and Utilization of Freshwater Fishes, College of Life Sciences, Chongqing Normal University, No. 37 Chengzhong Road, Shapingba District, Chongqing 401331, China; (Y.Z.); (M.M.); (F.Z.); (S.L.); (Z.C.); (Y.F.); (T.L.)
| | - Shuang Li
- Chongqing Key Laboratory of Conservation and Utilization of Freshwater Fishes, College of Life Sciences, Chongqing Normal University, No. 37 Chengzhong Road, Shapingba District, Chongqing 401331, China; (Y.Z.); (M.M.); (F.Z.); (S.L.); (Z.C.); (Y.F.); (T.L.)
| | - Zhuoer Chen
- Chongqing Key Laboratory of Conservation and Utilization of Freshwater Fishes, College of Life Sciences, Chongqing Normal University, No. 37 Chengzhong Road, Shapingba District, Chongqing 401331, China; (Y.Z.); (M.M.); (F.Z.); (S.L.); (Z.C.); (Y.F.); (T.L.)
| | - Yu Fang
- Chongqing Key Laboratory of Conservation and Utilization of Freshwater Fishes, College of Life Sciences, Chongqing Normal University, No. 37 Chengzhong Road, Shapingba District, Chongqing 401331, China; (Y.Z.); (M.M.); (F.Z.); (S.L.); (Z.C.); (Y.F.); (T.L.)
| | - Tao Le
- Chongqing Key Laboratory of Conservation and Utilization of Freshwater Fishes, College of Life Sciences, Chongqing Normal University, No. 37 Chengzhong Road, Shapingba District, Chongqing 401331, China; (Y.Z.); (M.M.); (F.Z.); (S.L.); (Z.C.); (Y.F.); (T.L.)
| | - Fuguo Xing
- Key Laboratory of Agro-Products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs, Beijing 100193, China
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
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Parinandi NL, Liaugminas A, Oliver PJ, Varadharaj S, Yenigalla A, Elliott AC, Arutla S, Campbell SJ, Kotha SR, Sherwani SI, Kutala VK, McDaniel JC, Maddipati KR, Kuppusamy P, Hund TJ. Classic Phytochemical Antioxidant and Lipoxygenase Inhibitor, Nordihydroguaiaretic Acid, Activates Phospholipase D through Oxidant Signaling and Tyrosine Phosphorylation Leading to Cytotoxicity in Lung Vascular Endothelial Cells. Cell Biochem Biophys 2023:10.1007/s12013-023-01128-1. [PMID: 36820994 DOI: 10.1007/s12013-023-01128-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/02/2023] [Indexed: 02/24/2023]
Abstract
Nordihydroguaiaretic acid (NDGA), a dicatechol and phytochemical polyphenolic antioxidant and an established inhibitor of human arachidonic acid (AA) 5-lipoxygenase (LOX) and 15-LOX, is widely used to ascertain the role of LOXs in vascular endothelial cell (EC) function. As the modulatory effect of NDGA on phospholipase D (PLD), an important lipid signaling enzyme in ECs, thus far has not been reported, here we have investigated the modulation of PLD activity and its regulation by NDGA in the bovine pulmonary artery ECs (BPAECs). NDGA induced the activation of PLD (phosphatidic acid formation) in cells in a dose- and time-dependent fashion that was significantly attenuated by iron chelator and antioxidants. NDGA induced the formation of reactive oxygen species (ROS) in cells in a dose- and time-dependent manner as evidenced from fluorescence microscopy and fluorimetry of ROS and electron paramagnetic resonance spectroscopy of oxygen radicals. Also, NDGA caused a dose-dependent loss of intracellular glutathione (GSH) in BPAECs. Protein tyrosine kinase (PTyK)-specific inhibitors significantly attenuated NDGA-induced PLD activation in BPAECs. NDGA also induced a dose- and time-dependent phosphorylation of tyrosine in proteins in cells. NDGA caused in situ translocation and relocalization of both PLD1 and PLD2 isoforms, in a time-dependent fashion. Cyclooxygenase (COX) inhibitors were ineffective in attenuating NDGA-induced PLD activation in BPAECs, thus ruling out the activation of COXs by NDGA. NDGA inhibited the AA-LOX activity and leukotriene C4 (LTC4) formation in cells. On the other hand, the 5-LOX-specific inhibitors, 5, 8, 11, 14-eicosatetraynoic acid and kaempferol, were ineffective in activating PLD in BPAECs. Antioxidants and PTyK-specific inhibitors effectively attenuated NDGA cytotoxicity in BPAECs. The PLD-specific inhibitor, 5-fluoro-2-indolyl deschlorohalopemide (FIPI), significantly attenuated and protected against the NDGA-induced PLD activation and cytotoxicity in BPAECs. For the first time, these results demonstrated that NDGA, the classic phytochemical polyphenolic antioxidant and LOX inhibitor, activated PLD causing cytotoxicity in ECs through upstream oxidant signaling and protein tyrosine phosphorylation.
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Affiliation(s)
- Narasimham L Parinandi
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA.
| | - Alex Liaugminas
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Patrick J Oliver
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Saradhadevi Varadharaj
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Anita Yenigalla
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Austin C Elliott
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Sukruthi Arutla
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Steven J Campbell
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Sainath R Kotha
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Shariq I Sherwani
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Vijay K Kutala
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Jodi C McDaniel
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
| | - Krishna Rao Maddipati
- Department of Pathology and Lipidomics Core Facility, Wayne State University, Detroit, MI, 48202, USA
| | - Periannan Kuppusamy
- Department of Medicine, Geisel School of Medicine, Dartmouth College, Lebanon, NH, 03756, USA
| | - Thomas J Hund
- Lipid Signaling, Lipidomics, and Vasculotoxicity Laboratory, Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine and Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, 43210, USA
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Song G, Zhou Y, Niu S, Deng X, Qiu J, Li L, Wang J. Nordihydroguaiaretic acid reverses the antibacterial activity of colistin against MCR-1-positive bacteria in vivo/in vitro by inhibiting MCR-1 activity and injuring the bacterial cell membrane. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 98:153946. [PMID: 35158237 DOI: 10.1016/j.phymed.2022.153946] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 12/28/2021] [Accepted: 01/15/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Colistin (polymyxin E) is an effective antibiotic for the treatment of most multidrug-resistant Gram-negative bacteria. However, some bacteria, including bacterial spp. belonging to the Enterobacteriaceae family, have an acquired resistance against polymyxins, which is attributed to they possess plasmid-carried resistance genes (mcr-1 and its variants). So, there is an urgent need to develop new therapeutic strategies to target broad spectrum resistant spp. from Enterobacteriaceae family in response to the loss of the protective barrier of last-line antibiotics. Here, we report the adjuvant capacity of nordihydroguaiaretic acid (NDGA) for restoring the antibacterial activity of colistin against MCR-1-positive E. coli ZJ487 in vivo/in vitro. METHODS A checkerboard assay, time-killing analysis, isobolograms, growth curves and inducible resistance test showed the effect of NDGA combined with colistin in vitro. TLC was used to detect the inhibitory effect of NDGA on MCR-1. Colony determination and hematoxylin and eosin (HE) staining were used to assess the synergistic effect of NDGA and colistin in mice. RESULTS Our results showed that NDGA in combination with colistin showed a synergistic bactericidal action without inducing resistance. NDGA directly inhibited MCR-1 activity and resulted in measurable injury to the bacterial cell membrane to recover the antibacterial effect of colistin. Most importantly, NDGA in combination with colistin exhibited an in vivo synergistic effect in murine peritonitis infection models, as evidenced by the survival rate of MCR-1-positive E. coli ZJ487-infected mice which increased from 6.67 to 50.0%. CONCLUSION Our study demonstrated that NDGA effectively rescues the efficiency of colistin against MCR-positive E. coli ZJ487 by simultaneously inhibiting both, the MCR activity and the injury to the cell membrane of bacteria.
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Affiliation(s)
- Ge Song
- Department of Respiratory Medicine, the First Hospital of Jilin University, Changchun, China; State Key Laboratory for Zoonotic Diseases, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Yonglin Zhou
- Department of Respiratory Medicine, the First Hospital of Jilin University, Changchun, China; State Key Laboratory for Zoonotic Diseases, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Sen Niu
- State Key Laboratory for Zoonotic Diseases, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Xuming Deng
- Department of Respiratory Medicine, the First Hospital of Jilin University, Changchun, China; State Key Laboratory for Zoonotic Diseases, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Jiazhang Qiu
- State Key Laboratory for Zoonotic Diseases, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Li Li
- State Key Laboratory for Zoonotic Diseases, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Jianfeng Wang
- Department of Respiratory Medicine, the First Hospital of Jilin University, Changchun, China; State Key Laboratory for Zoonotic Diseases, College of Veterinary Medicine, Jilin University, Changchun, China.
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Wikeley SM, Przybylowski J, Lozano-Sanchez P, Caffio M, James TD, Bull SD, Fletcher PJ, Marken F. Polymer indicator displacement assay: electrochemical glucose monitoring based on boronic acid receptors and graphene foam competitively binding with poly-nordihydroguaiaretic acid. Analyst 2022; 147:661-670. [DOI: 10.1039/d1an01991k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A poly-nordihydroguaiaretic acid film is employed as a voltammetric indicator for bound/unbound boronic acid sites to report on glucose and fructose concentration.
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Affiliation(s)
- Simon M. Wikeley
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK
| | - Jakub Przybylowski
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK
| | | | - Marco Caffio
- Integrated Graphene Ltd., Euro House, Wellgreen Place, Stirling FK8 2DJ, UK
| | - Tony D. James
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
| | - Steven D. Bull
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK
| | - Philip J. Fletcher
- University of Bath, Materials & Chemical Characterisation Facility, MC2, Bath BA2 7AY, UK
| | - Frank Marken
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK
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