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Zhang M, Xiang C, Niu R, He X, Luo W, Liu W, Gu R. Liposomes as versatile agents for the management of traumatic and nontraumatic central nervous system disorders: drug stability, targeting efficiency, and safety. Neural Regen Res 2025; 20:1883-1899. [PMID: 39254548 DOI: 10.4103/nrr.nrr-d-24-00048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 05/28/2024] [Indexed: 09/11/2024] Open
Abstract
Various nanoparticle-based drug delivery systems for the treatment of neurological disorders have been widely studied. However, their inability to cross the blood-brain barrier hampers the clinical translation of these therapeutic strategies. Liposomes are nanoparticles composed of lipid bilayers, which can effectively encapsulate drugs and improve drug delivery across the blood-brain barrier and into brain tissue through their targeting and permeability. Therefore, they can potentially treat traumatic and nontraumatic central nervous system diseases. In this review, we outlined the common properties and preparation methods of liposomes, including thin-film hydration, reverse-phase evaporation, solvent injection techniques, detergent removal methods, and microfluidics techniques. Afterwards, we comprehensively discussed the current applications of liposomes in central nervous system diseases, such as Alzheimer's disease, Parkinson's disease, Huntington's disease, amyotrophic lateral sclerosis, traumatic brain injury, spinal cord injury, and brain tumors. Most studies related to liposomes are still in the laboratory stage and have not yet entered clinical trials. Additionally, their application as drug delivery systems in clinical practice faces challenges such as drug stability, targeting efficiency, and safety. Therefore, we proposed development strategies related to liposomes to further promote their development in neurological disease research.
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Affiliation(s)
- Mingyu Zhang
- Department of Orthopedic Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin Province, China
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2
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Yin W, Ma H, Qu Y, Ren J, Sun Y, Guo ZN, Yang Y. Exosomes: the next-generation therapeutic platform for ischemic stroke. Neural Regen Res 2025; 20:1221-1235. [PMID: 39075892 DOI: 10.4103/nrr.nrr-d-23-02051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 03/19/2024] [Indexed: 07/31/2024] Open
Abstract
Current therapeutic strategies for ischemic stroke fall short of the desired objective of neurological functional recovery. Therefore, there is an urgent need to develop new methods for the treatment of this condition. Exosomes are natural cell-derived vesicles that mediate signal transduction between cells under physiological and pathological conditions. They have low immunogenicity, good stability, high delivery efficiency, and the ability to cross the blood-brain barrier. These physiological properties of exosomes have the potential to lead to new breakthroughs in the treatment of ischemic stroke. The rapid development of nanotechnology has advanced the application of engineered exosomes, which can effectively improve targeting ability, enhance therapeutic efficacy, and minimize the dosages needed. Advances in technology have also driven clinical translational research on exosomes. In this review, we describe the therapeutic effects of exosomes and their positive roles in current treatment strategies for ischemic stroke, including their anti-inflammation, anti-apoptosis, autophagy-regulation, angiogenesis, neurogenesis, and glial scar formation reduction effects. However, it is worth noting that, despite their significant therapeutic potential, there remains a dearth of standardized characterization methods and efficient isolation techniques capable of producing highly purified exosomes. Future optimization strategies should prioritize the exploration of suitable isolation techniques and the establishment of unified workflows to effectively harness exosomes for diagnostic or therapeutic applications in ischemic stroke. Ultimately, our review aims to summarize our understanding of exosome-based treatment prospects in ischemic stroke and foster innovative ideas for the development of exosome-based therapies.
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Affiliation(s)
- Wenjing Yin
- Stroke Center, Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Hongyin Ma
- Stroke Center, Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Yang Qu
- Stroke Center, Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Jiaxin Ren
- Stroke Center, Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Yingying Sun
- Stroke Center, Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Zhen-Ni Guo
- Stroke Center, Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China
- Neuroscience Research Center, Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Yi Yang
- Stroke Center, Department of Neurology, First Hospital of Jilin University, Changchun, Jilin Province, China
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Smith TA, Zhou L, Ghergherehchi CL, Mikesh M, Yang CZ, Tucker HO, Allgood J, Bushman JS, Bittner GD. Polyethylene glycol has immunoprotective effects on sciatic allografts, but behavioral recovery and graft tolerance require neurorrhaphy and axonal fusion. Neural Regen Res 2025; 20:1192-1206. [PMID: 38989956 DOI: 10.4103/nrr.nrr-d-23-01220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 02/29/2024] [Indexed: 07/12/2024] Open
Abstract
JOURNAL/nrgr/04.03/01300535-202504000-00033/figure1/v/2024-07-06T104127Z/r/image-tiff Behavioral recovery using (viable) peripheral nerve allografts to repair ablation-type (segmental-loss) peripheral nerve injuries is delayed or poor due to slow and inaccurate axonal regeneration. Furthermore, such peripheral nerve allografts undergo immunological rejection by the host immune system. In contrast, peripheral nerve injuries repaired by polyethylene glycol fusion of peripheral nerve allografts exhibit excellent behavioral recovery within weeks, reduced immune responses, and many axons do not undergo Wallerian degeneration. The relative contribution of neurorrhaphy and polyethylene glycol-fusion of axons versus the effects of polyethylene glycol per se was unknown prior to this study. We hypothesized that polyethylene glycol might have some immune-protective effects, but polyethylene glycol-fusion was necessary to prevent Wallerian degeneration and functional/behavioral recovery. We examined how polyethylene glycol solutions per se affect functional and behavioral recovery and peripheral nerve allograft morphological and immunological responses in the absence of polyethylene glycol-induced axonal fusion. Ablation-type sciatic nerve injuries in outbred Sprague-Dawley rats were repaired according to a modified protocol using the same solutions as polyethylene glycol-fused peripheral nerve allografts, but peripheral nerve allografts were loose-sutured (loose-sutured polyethylene glycol) with an intentional gap of 1-2 mm to prevent fusion by polyethylene glycol of peripheral nerve allograft axons with host axons. Similar to negative control peripheral nerve allografts not treated by polyethylene glycol and in contrast to polyethylene glycol-fused peripheral nerve allografts, animals with loose-sutured polyethylene glycol peripheral nerve allografts exhibited Wallerian degeneration for all axons and myelin degeneration by 7 days postoperatively and did not recover sciatic-mediated behavioral functions by 42 days postoperatively. Other morphological signs of rejection, such as collapsed Schwann cell basal lamina tubes, were absent in polyethylene glycol-fused peripheral nerve allografts but commonly observed in negative control and loose-sutured polyethylene glycol peripheral nerve allografts at 21 days postoperatively. Loose-sutured polyethylene glycol peripheral nerve allografts had more pro-inflammatory and less anti-inflammatory macrophages than negative control peripheral nerve allografts. While T cell counts were similarly high in loose-sutured-polyethylene glycol and negative control peripheral nerve allografts, loose-sutured polyethylene glycol peripheral nerve allografts expressed some cytokines/chemokines important for T cell activation at much lower levels at 14 days postoperatively. MHCI expression was elevated in loose-sutured polyethylene glycol peripheral nerve allografts, but MHCII expression was modestly lower compared to negative control at 21 days postoperatively. We conclude that, while polyethylene glycol per se reduces some immune responses of peripheral nerve allografts, successful polyethylene glycol-fusion repair of some axons is necessary to prevent Wallerian degeneration of those axons and immune rejection of peripheral nerve allografts, and produce recovery of sensory/motor functions and voluntary behaviors. Translation of polyethylene glycol-fusion technologies would produce a paradigm shift from the current clinical practice of waiting days to months to repair ablation peripheral nerve injuries.
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Affiliation(s)
- Tyler A Smith
- Department of Molecular Biosciences, University of Texas at Austin, Austin, TX, USA
| | - Liwen Zhou
- Department of Neuroscience, University of Texas at Austin, Austin, TX, USA
| | | | - Michelle Mikesh
- Department of Neuroscience, University of Texas at Austin, Austin, TX, USA
| | - Cathy Z Yang
- Department of Neuroscience, University of Texas at Austin, Austin, TX, USA
| | - Haley O Tucker
- Department of Molecular Biosciences, University of Texas at Austin, Austin, TX, USA
| | - JuliAnne Allgood
- Division of Pharmaceutical Sciences, University of Wyoming, Laramie, WY, USA
| | - Jared S Bushman
- Division of Pharmaceutical Sciences, University of Wyoming, Laramie, WY, USA
| | - George D Bittner
- Department of Neuroscience, University of Texas at Austin, Austin, TX, USA
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Chen J, Chen J, Yu C, Xia K, Yang B, Wang R, Li Y, Shi K, Zhang Y, Xu H, Zhang X, Wang J, Chen Q, Liang C. Metabolic reprogramming: a new option for the treatment of spinal cord injury. Neural Regen Res 2025; 20:1042-1057. [PMID: 38989936 DOI: 10.4103/nrr.nrr-d-23-01604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Accepted: 02/27/2024] [Indexed: 07/12/2024] Open
Abstract
Spinal cord injuries impose a notably economic burden on society, mainly because of the severe after-effects they cause. Despite the ongoing development of various therapies for spinal cord injuries, their effectiveness remains unsatisfactory. However, a deeper understanding of metabolism has opened up a new therapeutic opportunity in the form of metabolic reprogramming. In this review, we explore the metabolic changes that occur during spinal cord injuries, their consequences, and the therapeutic tools available for metabolic reprogramming. Normal spinal cord metabolism is characterized by independent cellular metabolism and intercellular metabolic coupling. However, spinal cord injury results in metabolic disorders that include disturbances in glucose metabolism, lipid metabolism, and mitochondrial dysfunction. These metabolic disturbances lead to corresponding pathological changes, including the failure of axonal regeneration, the accumulation of scarring, and the activation of microglia. To rescue spinal cord injury at the metabolic level, potential metabolic reprogramming approaches have emerged, including replenishing metabolic substrates, reconstituting metabolic couplings, and targeting mitochondrial therapies to alter cell fate. The available evidence suggests that metabolic reprogramming holds great promise as a next-generation approach for the treatment of spinal cord injury. To further advance the metabolic treatment of the spinal cord injury, future efforts should focus on a deeper understanding of neurometabolism, the development of more advanced metabolomics technologies, and the design of highly effective metabolic interventions.
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Affiliation(s)
- Jiangjie Chen
- Department of Orthopedics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Orthopedics Research Institute of Zhejiang University, Zhejiang University, Hangzhou, Zhejiang Province, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang Province, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Jinyang Chen
- Department of Orthopedics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Orthopedics Research Institute of Zhejiang University, Zhejiang University, Hangzhou, Zhejiang Province, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang Province, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Chao Yu
- Department of Orthopedics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Orthopedics Research Institute of Zhejiang University, Zhejiang University, Hangzhou, Zhejiang Province, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang Province, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Kaishun Xia
- Department of Orthopedics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Orthopedics Research Institute of Zhejiang University, Zhejiang University, Hangzhou, Zhejiang Province, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang Province, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Biao Yang
- Qiandongnan Prefecture People's Hospital, Kaili, Guizhou Province, China
| | - Ronghao Wang
- Department of Orthopedics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Orthopedics Research Institute of Zhejiang University, Zhejiang University, Hangzhou, Zhejiang Province, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang Province, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Yi Li
- Department of Orthopedics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Orthopedics Research Institute of Zhejiang University, Zhejiang University, Hangzhou, Zhejiang Province, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang Province, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Kesi Shi
- Department of Orthopedics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Orthopedics Research Institute of Zhejiang University, Zhejiang University, Hangzhou, Zhejiang Province, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang Province, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Yuang Zhang
- Department of Orthopedics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Orthopedics Research Institute of Zhejiang University, Zhejiang University, Hangzhou, Zhejiang Province, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang Province, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Haibin Xu
- Department of Orthopedics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Orthopedics Research Institute of Zhejiang University, Zhejiang University, Hangzhou, Zhejiang Province, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang Province, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Xuesong Zhang
- Department of Orthopedics, Fourth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Jingkai Wang
- Department of Orthopedics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Orthopedics Research Institute of Zhejiang University, Zhejiang University, Hangzhou, Zhejiang Province, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang Province, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Qixin Chen
- Department of Orthopedics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Orthopedics Research Institute of Zhejiang University, Zhejiang University, Hangzhou, Zhejiang Province, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang Province, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Chengzhen Liang
- Department of Orthopedics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Orthopedics Research Institute of Zhejiang University, Zhejiang University, Hangzhou, Zhejiang Province, China
- Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou, Zhejiang Province, China
- Clinical Research Center of Motor System Disease of Zhejiang Province, Hangzhou, Zhejiang Province, China
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Jiao D, Xu L, Gu Z, Yan H, Shen D, Gu X. Pathogenesis, diagnosis, and treatment of epilepsy: electromagnetic stimulation-mediated neuromodulation therapy and new technologies. Neural Regen Res 2025; 20:917-935. [PMID: 38989927 DOI: 10.4103/nrr.nrr-d-23-01444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 01/18/2024] [Indexed: 07/12/2024] Open
Abstract
Epilepsy is a severe, relapsing, and multifactorial neurological disorder. Studies regarding the accurate diagnosis, prognosis, and in-depth pathogenesis are crucial for the precise and effective treatment of epilepsy. The pathogenesis of epilepsy is complex and involves alterations in variables such as gene expression, protein expression, ion channel activity, energy metabolites, and gut microbiota composition. Satisfactory results are lacking for conventional treatments for epilepsy. Surgical resection of lesions, drug therapy, and non-drug interventions are mainly used in clinical practice to treat pain associated with epilepsy. Non-pharmacological treatments, such as a ketogenic diet, gene therapy for nerve regeneration, and neural regulation, are currently areas of research focus. This review provides a comprehensive overview of the pathogenesis, diagnostic methods, and treatments of epilepsy. It also elaborates on the theoretical basis, treatment modes, and effects of invasive nerve stimulation in neurotherapy, including percutaneous vagus nerve stimulation, deep brain electrical stimulation, repetitive nerve electrical stimulation, in addition to non-invasive transcranial magnetic stimulation and transcranial direct current stimulation. Numerous studies have shown that electromagnetic stimulation-mediated neuromodulation therapy can markedly improve neurological function and reduce the frequency of epileptic seizures. Additionally, many new technologies for the diagnosis and treatment of epilepsy are being explored. However, current research is mainly focused on analyzing patients' clinical manifestations and exploring relevant diagnostic and treatment methods to study the pathogenesis at a molecular level, which has led to a lack of consensus regarding the mechanisms related to the disease.
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Affiliation(s)
- Dian Jiao
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, China
| | - Lai Xu
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, China
| | - Zhen Gu
- Key Laboratory of Advanced Drug Delivery Systems of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang Province, China
| | - Hua Yan
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, China
| | - Dingding Shen
- Affiliated Hospital of Nantong University, Nantong, Jiangsu Province, China
| | - Xiaosong Gu
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, China
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Tang J, Wang Y, Ma J, Chen Y, Chen M. Activation of peroxymonosulfate by sustainable biomass-based carbon nanotubes for controlling the spread of plant viruses in water environments. J Environ Sci (China) 2025; 149:99-112. [PMID: 39181682 DOI: 10.1016/j.jes.2024.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 02/12/2024] [Accepted: 02/12/2024] [Indexed: 08/27/2024]
Abstract
With the increasing demand for water in hydroponic systems and agricultural irrigation, viral diseases have seriously affected the yield and quality of crops. By removing plant viruses in water environments, virus transmission can be prevented and agricultural production and ecosystems can be protected. But so far, there have been few reports on the removal of plant viruses in water environments. Herein, in this study, easily recyclable biomass-based carbon nanotubes catalysts were synthesized with varying metal activities to activate peroxymonosulfate (PMS). Among them, the magnetic 0.125Fe@NCNTs-1/PMS system showed the best overall removal performance against pepper mild mottle virus, with a 5.9 log10 removal within 1 min. Notably, the key reactive species in the 0.125Fe@NCNTs-1/PMS system is 1O2, which can maintain good removal effect in real water matrices (river water and tap water). Through RNA fragment analyses and label free analysis, it was found that this system could effectively cleave virus particles, destroy viral proteins and expose their genome. The capsid protein of pepper mild mottle virus was effectively decomposed where serine may be the main attacking sites by 1O2. Long viral RNA fragments (3349 and 1642 nt) were cut into smaller fragments (∼160 nt) and caused their degradation. In summary, this study contributes to controlling the spread of plant viruses in real water environment, which will potentially help protect agricultural production and food safety, and improve the health and sustainability of ecosystems.
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Affiliation(s)
- Jian Tang
- College of Resources and Environment, Yangtze University, Wuhan 430100, China; Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China; Chongqing School, University of Chinese Academy of Sciences, Chongqing 400714, China
| | - Yujie Wang
- Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China; Chongqing School, University of Chinese Academy of Sciences, Chongqing 400714, China
| | - Jun Ma
- Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China; Chongqing School, University of Chinese Academy of Sciences, Chongqing 400714, China
| | - Yujie Chen
- Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China; School of Geography and Tourism, Chongqing Normal University, Chongqing 400714, China
| | - Ming Chen
- Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China; Chongqing School, University of Chinese Academy of Sciences, Chongqing 400714, China.
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Ma Q, Xue Y, Zhang C, Chen Y, Teng W, Zhang H, Fan J. 2D copper-iron bimetallic metal-organic frameworks for reduction of nitrate with boosted efficiency and ammonia selectivity. J Environ Sci (China) 2025; 149:374-385. [PMID: 39181650 DOI: 10.1016/j.jes.2024.01.046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 01/13/2024] [Accepted: 01/27/2024] [Indexed: 08/27/2024]
Abstract
Electrocatalytic reduction of nitrate to ammonia has been considered a promising and sustainable pathway for pollutant treatment and ammonia has significant potential as a clean energy. Therefore, the method has received much attention. In this work, Cu/Fe 2D bimetallic metal-organic frameworks were synthesized by a facile method applied as cathode materials without high-temperature carbonization. Bimetallic centers (Cu, Fe) with enhanced intrinsic activity demonstrated higher removal efficiency. Meanwhile, the 2D nanosheet reduced the mass transfer barrier between the catalyst and nitrate and increased the reaction kinetics. Therefore, the catalysts with a 2D structure showed much better removal efficiency than other structures (3D MOFs and Bulk MOFs). Under optimal conditions, Cu/Fe-2D MOF exhibited high nitrate removal efficiency (87.8%) and ammonium selectivity (89.3%) simultaneously. The ammonium yielded up to significantly 907.2 µg/(hr·mgcat) (7793.8 µg/(hr·mgmetal)) with Faradaic efficiency of 62.8% at an initial 100 mg N/L. The catalyst was proved to have good stability and was recycled 15 times with excellent effect. DFT simulations confirm the reduced Gibbs free energy of Cu/Fe-2D MOF. This study demonstrates the promising application of Cu/Fe-2D MOF in nitrate reduction to ammonia and provides new insights for the design of efficient electrode materials.
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Affiliation(s)
- Qian Ma
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Yinghao Xue
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Chuning Zhang
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Yanyan Chen
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Wei Teng
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Hua Zhang
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.
| | - Jianwei Fan
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.
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Liu X, Zhang X, Geng C, Hao Q, Chang J, Hu X, Li Y, Teng B. Effect of surface species on the alcohol-acid adsorption from FTS wastewater on graphene: A structure-capacity study. J Environ Sci (China) 2025; 149:651-662. [PMID: 39181675 DOI: 10.1016/j.jes.2024.02.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 02/01/2024] [Accepted: 02/19/2024] [Indexed: 08/27/2024]
Abstract
Fischer-Tropsch synthesis (FTS) wastewater retaining low-carbon alcohols and acids are organic pollutants as a limiting factor for FTS industrialization. In this work, the structure-capacity relationships between alcohol-acid adsorption and surface species on graphene were reported, shedding light into their intricate interactions. The graphene oxide (GO) and reduced graphene oxide (rGO) were synthesized via improved Hummers method with flake graphite (G). The physicochemical properties of samples were characterized via SEM, XRD, XPS, FT-IR, and Raman. The alcohol-acid adsorption behaviors and adsorption quantities on G, GO, and rGO were measured via theoretical and experimental method. It was revealed that the presence of COOH, C=O and CO species on graphene occupy the adsorption sites and increase the interactions of water with graphene, which are unfavorable for alcohol-acid adsorption. The equilibrium adsorption quantities of alcohols and acids grow in pace with carbon number. The monolayer adsorption occurs on graphene was verified via model fitting. rGO has the highest FTS modeling wastewater adsorption quantity (110 mg/g) due to the reduction of oxygen species. These novel findings provide a foundation for the alcohol-acid wastewater treatment, as well as the design and development of high-performance carbon-based adsorbent materials.
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Affiliation(s)
- Xiao Liu
- Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China; State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Xiaolong Zhang
- Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Chunyu Geng
- National Energy Center for Coal to Liquids, Synfuels China Co. Ltd., Beijing 101407, China
| | - Qinglan Hao
- Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China.
| | - Jie Chang
- Institute of Sustainability of Chemical, Energy and Environment, Agency for Science, Technology and Research, 627833, Singapore.
| | - Xin Hu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Zhejiang Normal University, Jinhua 321004, China.
| | - Yongwang Li
- National Energy Center for Coal to Liquids, Synfuels China Co. Ltd., Beijing 101407, China
| | - Botao Teng
- Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China.
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Huang LY, Zhang YD, Chen J, Fan HD, Wang W, Wang B, Ma JY, Li PP, Pu HW, Guo XY, Shen JG, Qi SH. Maintaining moderate levels of hypochlorous acid promotes neural stem cell proliferation and differentiation in the recovery phase of stroke. Neural Regen Res 2025; 20:845-857. [PMID: 38886957 DOI: 10.4103/1673-5374.392889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 11/23/2023] [Indexed: 06/20/2024] Open
Abstract
JOURNAL/nrgr/04.03/01300535-202503000-00029/figure1/v/2024-06-17T092413Z/r/image-tiff It has been shown clinically that continuous removal of ischemia/reperfusion-induced reactive oxygen species is not conducive to the recovery of late stroke. Indeed, previous studies have shown that excessive increases in hypochlorous acid after stroke can cause severe damage to brain tissue. Our previous studies have found that a small amount of hypochlorous acid still exists in the later stage of stroke, but its specific role and mechanism are currently unclear. To simulate stroke in vivo, a middle cerebral artery occlusion rat model was established, with an oxygen-glucose deprivation/reoxygenation model established in vitro to mimic stroke. We found that in the early stage (within 24 hours) of ischemic stroke, neutrophils produced a large amount of hypochlorous acid, while in the recovery phase (10 days after stroke), microglia were activated and produced a small amount of hypochlorous acid. Further, in acute stroke in rats, hypochlorous acid production was prevented using a hypochlorous acid scavenger, taurine, or myeloperoxidase inhibitor, 4-aminobenzoic acid hydrazide. Our results showed that high levels of hypochlorous acid (200 μM) induced neuronal apoptosis after oxygen/glucose deprivation/reoxygenation. However, in the recovery phase of the middle cerebral artery occlusion model, a moderate level of hypochlorous acid promoted the proliferation and differentiation of neural stem cells into neurons and astrocytes. This suggests that hypochlorous acid plays different roles at different phases of cerebral ischemia/reperfusion injury. Lower levels of hypochlorous acid (5 and 100 μM) promoted nuclear translocation of β-catenin. By transfection of single-site mutation plasmids, we found that hypochlorous acid induced chlorination of the β-catenin tyrosine 30 residue, which promoted nuclear translocation. Altogether, our study indicates that maintaining low levels of hypochlorous acid plays a key role in the recovery of neurological function.
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Affiliation(s)
- Lin-Yan Huang
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, Jiangsu Province, China
| | - Yi-De Zhang
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, Jiangsu Province, China
| | - Jie Chen
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, Jiangsu Province, China
| | - Hai-Di Fan
- School of Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu Province, China
- Department of Laboratory Medicine, Branch Hospital of Huai'an First People's Hospital, Huai'an, Jiangsu Province, China
| | - Wan Wang
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, Jiangsu Province, China
| | - Bin Wang
- Department of Laboratory Medicine, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu Province, China
| | - Ju-Yun Ma
- School of Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu Province, China
| | - Peng-Peng Li
- Department of Laboratory Medicine, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu Province, China
| | - Hai-Wei Pu
- Department of Laboratory Medicine, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu Province, China
| | - Xin-Yian Guo
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, Jiangsu Province, China
| | - Jian-Gang Shen
- School of Chinese Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Su-Hua Qi
- School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou, Jiangsu Province, China
- School of Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu Province, China
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10
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Zhang Z, Li W, Zheng C, Chen K, Pang H, Shi W, Lu J. Insight into the bimetallic structure sensibility of catalytic nitrate reduction over Pd-Cu nanocrystals. J Environ Sci (China) 2025; 149:221-233. [PMID: 39181637 DOI: 10.1016/j.jes.2024.01.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 12/15/2023] [Accepted: 01/07/2024] [Indexed: 08/27/2024]
Abstract
Catalytic reduction of nitrate over bimetallic catalysts has emerged as a technology for sustainable treatment of nitrate-containing groundwater. However, the structure of bimetallic has been much less investigated for catalyst optimization. Herein, two main types of Pd-Cu bimetallic nanocrystal structures, heterostructure and intermetallic, were prepared and characterized using high-resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). The results show that two individual Pd and Cu nanocrystals with a mixed interface exist in the heterostructure nanocrystals, while Pd and Cu atoms are uniformly distributed across the intermetallic Pd-Cu nanocrystals. The catalytic nitrate reduction experiments were carried out in a semibatch reactor under constant hydrogen flow. The nitrate conversion rate of the heterostructure Pd-Cu nanocrystals supported on α-Al2O3, γ-Al2O3, SBA-15, and XC-72R exhibited 3.82-, 6.76-, 4.28-, 2.44-fold enhancements relative to the intermetallic nanocrystals, and the nitrogen and nitrite were the main products for the heterostructure and intermetallic Pd-Cu nanocrystals, respectively. This indicates that the catalytic nitrate reduction over Pd-Cu catalyst is sensitive to the bimetallic structures of the catalysts, and heterostructure bimetallic nanocrystals exhibit better catalytic performances on both the activity and selectivity, which may provide new insights into the design and optimization of catalysts to improve catalytic activity and selectivity for nitrate reduction in water.
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Affiliation(s)
- Zhiqiang Zhang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; Key Laboratory of Northwest Water Resources, Environment and Ecology, Ministry of Education, Xian 710055, China; State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Wenhang Li
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Cailin Zheng
- Construction engineering quality and safety supervision center station, House and Urban Rural Development Department of Ankang, Ankang 725000, China
| | - Kunyu Chen
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Heliang Pang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; Key Laboratory of Northwest Water Resources, Environment and Ecology, Ministry of Education, Xian 710055, China
| | - Wenxin Shi
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China; College of Urban Construction and Environmental Engineering, Chongqing University, Chongqing 400044, China
| | - Jinsuo Lu
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; Key Laboratory of Northwest Water Resources, Environment and Ecology, Ministry of Education, Xian 710055, China.
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11
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Cao S, Li J, Shi Y, Guo F, Gao T, Zhang L. Oxalate modification enabled advanced phosphate removal of nZVI: In Situ formed surface ternary complex and altered multi-stage adsorption process. J Environ Sci (China) 2025; 149:79-87. [PMID: 39181680 DOI: 10.1016/j.jes.2024.02.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 01/31/2024] [Accepted: 02/14/2024] [Indexed: 08/27/2024]
Abstract
Nano zero-valent iron (nZVI) is a promising phosphate adsorbent for advanced phosphate removal. However, the rapid passivation of nZVI and the low activity of adsorption sites seriously limit its phosphate removal performance, accounting for its inapplicability to meet the emission criteria of 0.1 mg P/L phosphate. In this study, we report that the oxalate modification can inhibit the passivation of nZVI and alter the multi-stage phosphate adsorption mechanism by changing the adsorption sites. As expected, the stronger anti-passivation ability of oxalate modified nZVI (OX-nZVI) strongly favored its phosphate adsorption. Interestingly, the oxalate modification endowed the surface Fe(III) sites with the lowest chemisorption energy and the fastest phosphate adsorption ability than the other adsorption sites, by in situ forming a Fe(III)-phosphate-oxalate ternary complex, therefore enabling an advanced phosphate removal process. At an initial phosphate concentration of 1.00 mg P/L, pH of 6.0 and a dosage of 0.3 g/L of adsorbents, OX-nZVI exhibited faster phosphate removal rate (0.11 g/mg/min) and lower residual phosphate level (0.02 mg P/L) than nZVI (0.055 g/mg/min and 0.19 mg P/L). This study sheds light on the importance of site manipulation in the development of high-performance adsorbents, and offers a facile surface modification strategy to prepare superior iron-based materials for advanced phosphate removal.
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Affiliation(s)
- Shiyu Cao
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental & Applied Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, China; State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China
| | - Jiangshan Li
- State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China
| | - Yanbiao Shi
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental & Applied Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, China; School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Furong Guo
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental & Applied Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Tingjuan Gao
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental & Applied Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, China.
| | - Lizhi Zhang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental & Applied Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, China; School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
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12
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Wu B, Liu Y, Li H, Zhu L, Zeng L, Zhang Z, Peng W. Liver as a new target organ in Alzheimer's disease: insight from cholesterol metabolism and its role in amyloid-beta clearance. Neural Regen Res 2025; 20:695-714. [PMID: 38886936 DOI: 10.4103/1673-5374.391305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 11/07/2023] [Indexed: 06/20/2024] Open
Abstract
Alzheimer's disease, the primary cause of dementia, is characterized by neuropathologies, such as amyloid plaques, synaptic and neuronal degeneration, and neurofibrillary tangles. Although amyloid plaques are the primary characteristic of Alzheimer's disease in the central nervous system and peripheral organs, targeting amyloid-beta clearance in the central nervous system has shown limited clinical efficacy in Alzheimer's disease treatment. Metabolic abnormalities are commonly observed in patients with Alzheimer's disease. The liver is the primary peripheral organ involved in amyloid-beta metabolism, playing a crucial role in the pathophysiology of Alzheimer's disease. Notably, impaired cholesterol metabolism in the liver may exacerbate the development of Alzheimer's disease. In this review, we explore the underlying causes of Alzheimer's disease and elucidate the role of the liver in amyloid-beta clearance and cholesterol metabolism. Furthermore, we propose that restoring normal cholesterol metabolism in the liver could represent a promising therapeutic strategy for addressing Alzheimer's disease.
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Affiliation(s)
- Beibei Wu
- Department of Integrated Traditional Chinese & Western Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Yuqing Liu
- Department of Integrated Traditional Chinese & Western Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Hongli Li
- Department of Integrated Traditional Chinese & Western Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Lemei Zhu
- Academician Workstation, Changsha Medical University, Changsha, Hunan Province, China
| | - Lingfeng Zeng
- Academician Workstation, Changsha Medical University, Changsha, Hunan Province, China
| | - Zhen Zhang
- Department of Integrated Traditional Chinese & Western Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China
- Yangsheng College of Traditional Chinese Medicine, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou Province, China
- Qinhuangdao Shanhaiguan Pharmaceutical Co., Ltd, Qinhuangdao, Hebei Province, China
| | - Weijun Peng
- Department of Integrated Traditional Chinese & Western Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China
- National Clinical Research Center for Mental Disorder, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China
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13
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Zhu X, Xu C, Mao J, Zhang Y, Bai Y. Protonated carbon nitride for rapid photocatalytic sterilization via synergistic oxidative damage and physical destruction. J Environ Sci (China) 2025; 149:188-199. [PMID: 39181633 DOI: 10.1016/j.jes.2023.11.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 10/19/2023] [Accepted: 11/09/2023] [Indexed: 08/27/2024]
Abstract
Photocatalytic disinfection is an eco-friendly strategy for countering bacterial pollution in aquatic environments. Numerous strategies have been devised to facilitate the generation of reactive oxygen species (ROS) within photocatalysts, ultimately leading to the eradication of bacteria. However, the significance of the physical morphology of photocatalysts in the context of sterilization is frequently obscured, and the progress in the development of physical-chemical synergistic sterilization photocatalysts has been relatively limited. Herein, graphitic carbon nitride (g-C3N4) is chemically protonated to expose more sharp edges. PL fluorescence and EIS results indicate that the protonation can accelerate photogenerated carrier separation and enhance ROS production. Meanwhile, the sharp edges on the protonated g-C3N4 facilitate the physical disruption of cell walls for further promoting oxidative damage. Protonated C3N4 demonstrated superior bactericidal performance than that of pristine g-C3N4, effectively eliminating Escherichia coli within 40 minutes under irradiation. This work highlights the significance of incorporating physical and chemical synergies in photocatalyst design to enhance the disinfection efficiency of photocatalysis.
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Affiliation(s)
- Xiaobiao Zhu
- Department of Environmental Science and Engineering, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Chunhong Xu
- Department of Environmental Science and Engineering, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jie Mao
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
| | - Yizhen Zhang
- College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Yaohui Bai
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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14
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Hu B, Wang R, Zhang H, Wang X, Zhou S, Ma B, Luan Y, Wang X, Chen X, Zhang Z, Kang Q. Postnatal development of rat retina: a continuous observation and comparison between the organotypic retinal explant model and in vivo development. Neural Regen Res 2025; 20:900-912. [PMID: 38886961 DOI: 10.4103/nrr.nrr-d-23-01557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 01/22/2024] [Indexed: 06/20/2024] Open
Abstract
JOURNAL/nrgr/04.03/01300535-202503000-00033/figure1/v/2024-06-17T092413Z/r/image-tiff The organotypic retinal explant culture has been established for more than a decade and offers a range of unique advantages compared with in vivo experiments and cell cultures. However, the lack of systematic and continuous comparison between in vivo retinal development and the organotypic retinal explant culture makes this model controversial in postnatal retinal development studies. Thus, we aimed to verify the feasibility of using this model for postnatal retinal development studies by comparing it with the in vivo retina. In this study, we showed that postnatal retinal explants undergo normal development, and exhibit a consistent structure and timeline with retinas in vivo. Initially, we used SOX2 and PAX6 immunostaining to identify retinal progenitor cells. We then examined cell proliferation and migration by immunostaining with Ki-67 and doublecortin, respectively. Ki-67- and doublecortin-positive cells decreased in both in vivo and explants during postnatal retinogenesis, and exhibited a high degree of similarity in abundance and distribution between groups. Additionally, we used Ceh-10 homeodomain-containing homolog, glutamate-ammonia ligase (glutamine synthetase), neuronal nuclei, and ionized calcium-binding adapter molecule 1 immunostaining to examine the emergence of bipolar cells, Müller glia, mature neurons, and microglia, respectively. The timing and spatial patterns of the emergence of these cell types were remarkably consistent between in vivo and explant retinas. Our study showed that the organotypic retinal explant culture model had a high degree of consistency with the progression of in vivo early postnatal retina development. The findings confirm the accuracy and credibility of this model and support its use for long-term, systematic, and continuous observation.
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Affiliation(s)
- Baoqi Hu
- Department of Ophthalmology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
- Department of Ophthalmology, The First Affiliated Hospital of Northwest University, Xi'an, Shaanxi Province, China
| | - Rui Wang
- Department of Ophthalmology, The First Affiliated Hospital of Northwest University, Xi'an, Shaanxi Province, China
| | - Hanyue Zhang
- Institute of Neurobiology, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi Province, China
| | - Xiou Wang
- Department of Ophthalmology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
| | - Sijia Zhou
- Department of Ophthalmology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
| | - Bo Ma
- Department of Ophthalmology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
| | - Yan Luan
- Institute of Neurobiology, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi Province, China
| | - Xin Wang
- Department of Ophthalmology, The First Affiliated Hospital of Northwest University, Xi'an, Shaanxi Province, China
| | - Xinlin Chen
- Institute of Neurobiology, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi Province, China
| | - Zhichao Zhang
- Institute of Neurobiology, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi Province, China
| | - Qianyan Kang
- Department of Ophthalmology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
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15
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Kavanagh EW, Tzeng SY, Sharma N, Cutting GR, Green JJ. Ligand-free biodegradable poly(beta-amino ester) nanoparticles for targeted systemic delivery of mRNA to the lungs. Biomaterials 2025; 313:122753. [PMID: 39217793 DOI: 10.1016/j.biomaterials.2024.122753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 07/19/2024] [Accepted: 08/09/2024] [Indexed: 09/04/2024]
Abstract
Non-viral nanoparticles (NPs) have seen heightened interest as a delivery method for a variety of clinically relevant nucleic acid cargoes in recent years. While much of the focus has been on lipid NPs, non-lipid NPs, including polymeric NPs, have the possibility of improved efficacy, safety, and targeting, especially to non-liver organs following systemic administration. A safe and effective systemic approach for intracellular delivery to the lungs could overcome limitations to intratracheal/intranasal delivery of NPs and improve clinical benefit for a range of diseases including cystic fibrosis. Here, engineered biodegradable poly (beta-amino ester) (PBAE) NPs are shown to facilitate efficient delivery of mRNA to primary human airway epithelial cells from both healthy donors and individuals with cystic fibrosis. Optimized NP formulations made with differentially endcapped PBAEs and systemically administered in vivo lead to high expression of mRNA within the lungs in BALB/c and C57 B/L mice without requiring a complex targeting ligand. High levels of mRNA-based gene editing were achieved in an Ai9 mouse model across bronchial, epithelial, and endothelial cell populations. No toxicity was observed either acutely or over time, including after multiple systemic administrations of the NPs. The non-lipid biodegradable PBAE NPs demonstrate high levels of transfection in both primary human airway epithelial cells and in vivo editing of lung cell types that are targets for numerous life-limiting diseases particularly single gene disorders such as cystic fibrosis and surfactant deficiencies.
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Affiliation(s)
- Erin W Kavanagh
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Stephany Y Tzeng
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Neeraj Sharma
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Garry R Cutting
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
| | - Jordan J Green
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Departments of Chemical & Biomolecular Engineering, Materials Science & Engineering, Neurosurgery, Oncology, and Ophthalmology, Johns Hopkins University, Baltimore, MD, USA.
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16
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Xiao C, Wang X, Li S, Zhang Z, Li J, Deng Q, Chen X, Yang X, Li Z. A cuproptosis-based nanomedicine suppresses triple negative breast cancers by regulating tumor microenvironment and eliminating cancer stem cells. Biomaterials 2025; 313:122763. [PMID: 39180917 DOI: 10.1016/j.biomaterials.2024.122763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2024] [Revised: 08/04/2024] [Accepted: 08/17/2024] [Indexed: 08/27/2024]
Abstract
Cuproptosis is a new kind of cell death that depends on delivering copper ions into mitochondria to trigger the aggradation of tricarboxylic acid (TCA) cycle proteins and has been observed in various cancer cells. However, whether cuproptosis occurs in cancer stem cells (CSCs) is unexplored thus far, and CSCs often reside in a hypoxic tumor microenvironment (TME) of triple negative breast cancers (TNBC), which suppresses the expression of the cuproptosis protein FDX1, thereby diminishing anticancer efficacy of cuproptosis. Herein, a ROS-responsive active targeting cuproptosis-based nanomedicine CuET@PHF is developed by stabilizing copper ionophores CuET nanocrystals with polydopamine and hydroxyethyl starch to eradicate CSCs. By taking advantage of the photothermal effects of CuET@PHF, tumor hypoxia is overcome via tumor mechanics normalization, thereby leading to enhanced cuproptosis and immunogenic cell death in 4T1 CSCs. As a result, the integration of CuET@PHF and mild photothermal therapy not only significantly suppresses tumor growth but also effectively inhibits tumor recurrence and distant metastasis by eliminating CSCs and augmenting antitumor immune responses. This study presents the first evidence of cuproptosis in CSCs, reveals that disrupting hypoxia augments cuproptosis cancer therapy, and establishes a paradigm for potent cancer therapy by simultaneously eliminating CSCs and boosting antitumor immunity.
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Affiliation(s)
- Chen Xiao
- Department of Nanomedicine and Biopharmaceuticals, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Xing Wang
- Department of Nanomedicine and Biopharmaceuticals, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Shiyou Li
- Department of Nanomedicine and Biopharmaceuticals, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Zhijie Zhang
- Department of Nanomedicine and Biopharmaceuticals, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Jiayuan Li
- Department of Nanomedicine and Biopharmaceuticals, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Qingyuan Deng
- Department of Nanomedicine and Biopharmaceuticals, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Xiang Chen
- Department of Nanomedicine and Biopharmaceuticals, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Xiangliang Yang
- Department of Nanomedicine and Biopharmaceuticals, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, PR China; National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, 430074, PR China; Key Laboratory of Molecular Biophysics of Ministry of Education, Huazhong University of Science and Technology, Wuhan, 430074, PR China; Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medical, Huazhong University of Science and Technology, Wuhan, 430074, PR China; Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Huazhong University of Science and Technology, Wuhan, 430074, PR China.
| | - Zifu Li
- Department of Nanomedicine and Biopharmaceuticals, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, PR China; National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan, 430074, PR China; Key Laboratory of Molecular Biophysics of Ministry of Education, Huazhong University of Science and Technology, Wuhan, 430074, PR China; Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medical, Huazhong University of Science and Technology, Wuhan, 430074, PR China; Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Huazhong University of Science and Technology, Wuhan, 430074, PR China.
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17
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Zhao L, Shi Z, Qi X, Wang J, Yu M, Dong M, Wang F, Zhou Q, Wang T, Shi W. Corneal stromal structure replicating humanized hydrogel patch for sutureless repair of deep anterior-corneal defect. Biomaterials 2025; 313:122754. [PMID: 39197237 DOI: 10.1016/j.biomaterials.2024.122754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 08/04/2024] [Accepted: 08/11/2024] [Indexed: 09/01/2024]
Abstract
A critical shortage of donor corneas exists worldwide. Hydrogel patches with a biological architecture and functions that simulate those of native corneas have garnered considerable attention. This study introduces a stromal structure replicating corneal patch (SRCP) composed of a decellularized cornea-templated nanotubular skeleton, recombinant human collagen, and methacrylated gelatin, exhibiting a similar ultrastructure and transmittance (above 80 %) to natural cornea. The SRCP is superior to the conventional recombinant human collagen patch in terms of biomechanical properties and resistance to enzymatic degradation. Additionally, SRCP promotes corneal epithelial and stromal cell migration while preventing the trans-differentiation of stromal cells into myofibroblasts. When applied to an ocular surface (37 °C), SRCP releases methacrylated gelatin, which robustly binds SRCP to the corneal stroma after activation by 405 nm light. Compared to gelatin-based photocurable hydrogel, the SRCP better supports the restoration of normal corneal curvature and withstands deformation under an elevated intraocular pressure (100 mmHg). In an in vivo deep anterior-corneal defect model, SRCP facilitated epithelial healing and vision recovery within 2 weeks, maintained graft structural stability, and inhibited stromal scarring at 4 weeks post-operation. The ideal performance of the SRCP makes it a promising humanized corneal equivalent for sutureless clinical applications.
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Affiliation(s)
- Long Zhao
- Eye Institute of Shandong First Medical University, State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Qingdao, 266071, China
| | - Zhen Shi
- Eye Institute of Shandong First Medical University, State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Qingdao, 266071, China
| | - Xia Qi
- Eye Institute of Shandong First Medical University, State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Qingdao, 266071, China
| | - Jingting Wang
- Eye Institute of Shandong First Medical University, State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Qingdao, 266071, China
| | - Mengmeng Yu
- Eye Institute of Shandong First Medical University, Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), Jinan, 250021, China
| | - Muchen Dong
- Eye Institute of Shandong First Medical University, Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), Jinan, 250021, China
| | - Fuyan Wang
- Eye Institute of Shandong First Medical University, Qingdao Eye Hospital of Shandong First Medical University, Qingdao, 266071, China
| | - Qingjun Zhou
- Eye Institute of Shandong First Medical University, State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Qingdao, 266071, China
| | - Ting Wang
- Eye Institute of Shandong First Medical University, Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), Jinan, 250021, China.
| | - Weiyun Shi
- Eye Institute of Shandong First Medical University, State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Qingdao, 266071, China; Eye Institute of Shandong First Medical University, Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), Jinan, 250021, China.
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18
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Shen J, Feng K, Yu J, Zhao Y, Chen R, Xiong H, Ruan Y, Xu Z, Zhang T, Sun X. Responsive and traceless assembly of iron nanoparticles and 131I labeled radiopharmaceuticals for ferroptosis enhanced radio-immunotherapy. Biomaterials 2025; 313:122795. [PMID: 39232333 DOI: 10.1016/j.biomaterials.2024.122795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 08/07/2024] [Accepted: 08/30/2024] [Indexed: 09/06/2024]
Abstract
Ferroptosis is an iron-dependent form of programmed cell death with the potential to reverse traditional cancer therapy resistance. The combination of ferroptosis with chemotherapy, photodynamic therapy and X-ray therapy has demonstrated remarkably improved therapeutic efficiency. Radiopharmaceutical therapy (RPT) is an emerging approach that achieves precise radiation to diseased tissues via radionuclide delivery. However, insufficient accumulation and retention of therapeutic radiopharmaceuticals in tumor region as well as cancer radioresistance impact treatment efficacy. Here, a nanoassembly of renal clearable ultrasmall iron nanoparticles (USINPs) and 131I-aPD-L1 is prepared via the affinity of fluorophenylboronic acid modified on the USINPs with 131I-aPD-L1. The 150 nm USINAs(131I-aPD-L1) nanoassembly is stable in blood circulation, effectively targets to the tumor and disassembles in the presence of ATP in the tumor microenvironment. Both in vitro and in vivo experiments prove that USINPs-induced ferroptosis boosted the tumor radiosensitization to 131I while 131I-mediated RPT further enhanced ferroptosis. Meanwhile, the immunogenic cell death caused by RPT and ferroptosis combined with PD-L1 immune checkpoint blockade therapy exhibits a strong antitumor immunity. This study provides a novel way to improve the tumor accumulation of ferroptosis inducer and radiopharmaceuticals, insights into the interaction between RPT and ferroptosis and an effective SPECT-guided ferroptosis-enhanced radio-immunotherapy.
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Affiliation(s)
- Jingjing Shen
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Quality Control and Pharmacovigilance, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Kai Feng
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Quality Control and Pharmacovigilance, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Jing Yu
- College of Materials Science and Engineering, Research Center of Magnetic and Electronic Materials, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Yaxuan Zhao
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Quality Control and Pharmacovigilance, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Ruifang Chen
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Quality Control and Pharmacovigilance, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Hehua Xiong
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Quality Control and Pharmacovigilance, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Yiling Ruan
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Quality Control and Pharmacovigilance, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Zhengtao Xu
- College of Materials Science and Engineering, Research Center of Magnetic and Electronic Materials, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Tao Zhang
- Northern Jiangsu Institute of Clinical Medicine, Department of Radiopharmaceuticals, Nuclear Medicine Clinical Translation Center, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China.
| | - Xiaolian Sun
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Quality Control and Pharmacovigilance, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China.
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19
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Quan F, Zhan G, Xu P, Chen X, Shen W, Jia F, He Y, Li J. Electrochemical removal of nitrate in high-salt wastewater with low-cost iron electrode modified by phosphate. J Environ Sci (China) 2025; 148:38-45. [PMID: 39095173 DOI: 10.1016/j.jes.2024.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 12/25/2023] [Accepted: 01/02/2024] [Indexed: 08/04/2024]
Abstract
Nitrate (NO3-) is a widespread pollutant in high-salt wastewater and causes serious harm to human health. Although electrochemical removal of nitrate has been demonstrated to be a promising treatment method, the development of low-cost electro-catalysts is still challenging. In this work, a phosphate modified iron (P-Fe) cathode was prepared for electrochemical removal of nitrate in high-salt wastewater. The phosphate modification greatly improved the activity of iron, and the removal rate of nitrate on P-Fe was three times higher than that on Fe electrode. Further experiments and density functional theory (DFT) calculations demonstrated that the modification of phosphoric acid improved the stability and the activity of the zero-valent iron electrode effectively for NO3- removal. The nitrate was firstly electrochemically reduced to ammonium, and then reacted with the anodic generated hypochlorite to N2. In this study, a strategy was developed to improve the activity and stability of metal electrode for NO3- removal, which opened up a new field for the efficient reduction of NO3- removal by metal electrode materials.
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Affiliation(s)
- Fengjiao Quan
- College of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Guangming Zhan
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Pengfei Xu
- College of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Xiaolan Chen
- College of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Wenjuan Shen
- College of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Falong Jia
- College of Chemistry, Central China Normal University, Wuhan 430079, China.
| | - Yun He
- College of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Jianfen Li
- College of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China
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20
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Omotoso MO, Est-Witte SE, Shannon SR, Li S, Nair NM, Neshat SY, Kang SS, Tzeng SY, Green JJ, Schneck JP. Alginate-based artificial antigen presenting cells expand functional CD8 + T cells with memory characteristics for adoptive cell therapy. Biomaterials 2025; 313:122773. [PMID: 39217794 DOI: 10.1016/j.biomaterials.2024.122773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 07/23/2024] [Accepted: 08/24/2024] [Indexed: 09/04/2024]
Abstract
The development of artificial Antigen Presenting Cells (aAPCs) has led to improvements in adoptive T cell therapy (ACT), an immunotherapy, for cancer treatment. aAPCs help to streamline the consistent production and expansion of T cells, thus reducing the time and costs associated with ACT. However, several issues still exist with ACT, such as insufficient T cell potency, which diminishes the translational potential for ACT. While aAPCs have been used primarily to increase production efficiency of T cells for ACT, the intrinsic properties of a biomaterial-based aAPC may affect T cell phenotype and function. In CD8+ T cells, reactive oxygen species (ROS) and oxidative stress accumulation can activate Forkhead box protein O1 (FOXO1) to transcribe antioxidants which reduce ROS and improve memory formation. Alginate, a biocompatible and antioxidant rich biomaterial, is promising for incorporation into an aAPC formulation to modulate T cell phenotype. To investigate its utility, a novel alginate-based aAPC platform was developed that preferentially expanded CD8+ T cells with memory related features. Alginate-based aAPCs allowed for greater control of CD8+ T cell qualities, including, significantly improved in vivo persistence and augmented in vivo anti-tumor T cell responses.
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Affiliation(s)
- Mary O Omotoso
- Department of Biomedical Engineering, School of Medicine, USA; Institute for Cell Engineering, School of Medicine, USA; Department of Pathology, School of Medicine, USA
| | - Savannah E Est-Witte
- Department of Biomedical Engineering, School of Medicine, USA; Translational Tissue Engineering Center, USA; Institute for NanoBioTechnology, USA
| | - Sydney R Shannon
- Department of Biomedical Engineering, School of Medicine, USA; Department of Pathology, School of Medicine, USA; Translational Tissue Engineering Center, USA; Institute for NanoBioTechnology, USA
| | - Shuyi Li
- Department of Pathology, School of Medicine, USA; Institute for NanoBioTechnology, USA
| | - Nina M Nair
- Department of Biomedical Engineering, Whiting School of Engineering, USA
| | - Sarah Y Neshat
- Department of Biomedical Engineering, School of Medicine, USA; Translational Tissue Engineering Center, USA; Institute for NanoBioTechnology, USA
| | - Si-Sim Kang
- Department of Pathology, School of Medicine, USA
| | - Stephany Y Tzeng
- Translational Tissue Engineering Center, USA; Department of Biomedical Engineering, Whiting School of Engineering, USA; Johns Hopkins Translational ImmunoEngineering Center, USA
| | - Jordan J Green
- Department of Biomedical Engineering, School of Medicine, USA; Translational Tissue Engineering Center, USA; Institute for NanoBioTechnology, USA; Johns Hopkins Translational ImmunoEngineering Center, USA.
| | - Jonathan P Schneck
- Department of Biomedical Engineering, School of Medicine, USA; Institute for Cell Engineering, School of Medicine, USA; Department of Pathology, School of Medicine, USA; Johns Hopkins Translational ImmunoEngineering Center, USA; Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA.
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21
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Pu Z, Wu Y, Zhu Z, Zhao H, Cui D. A new horizon for neuroscience: terahertz biotechnology in brain research. Neural Regen Res 2025; 20:309-325. [PMID: 38819036 PMCID: PMC11317941 DOI: 10.4103/nrr.nrr-d-23-00872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 11/18/2023] [Accepted: 01/03/2024] [Indexed: 06/01/2024] Open
Abstract
Terahertz biotechnology has been increasingly applied in various biomedical fields and has especially shown great potential for application in brain sciences. In this article, we review the development of terahertz biotechnology and its applications in the field of neuropsychiatry. Available evidence indicates promising prospects for the use of terahertz spectroscopy and terahertz imaging techniques in the diagnosis of amyloid disease, cerebrovascular disease, glioma, psychiatric disease, traumatic brain injury, and myelin deficit. In vitro and animal experiments have also demonstrated the potential therapeutic value of terahertz technology in some neuropsychiatric diseases. Although the precise underlying mechanism of the interactions between terahertz electromagnetic waves and the biosystem is not yet fully understood, the research progress in this field shows great potential for biomedical noninvasive diagnostic and therapeutic applications. However, the biosafety of terahertz radiation requires further exploration regarding its two-sided efficacy in practical applications. This review demonstrates that terahertz biotechnology has the potential to be a promising method in the field of neuropsychiatry based on its unique advantages.
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Affiliation(s)
- Zhengping Pu
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Psychiatry, Kangci Hospital of Jiaxing, Tongxiang, Zhejiang Province, China
| | - Yu Wu
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China
- Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Science, Shanghai, China
| | - Zhongjie Zhu
- National Facility for Protein Science in Shanghai, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China
| | - Hongwei Zhao
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China
- Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Science, Shanghai, China
| | - Donghong Cui
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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22
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Yang J, Ren B, Cai H, Xiong W, Feng J, Fan Q, Li Z, Huang L, Yan C, Li Y, Chen C, Shen Z. Cyclic catalysis of intratumor Fe 3+/2+ initiated by a hollow mesoporous iron sesquioxide nanoparticle for ferroptosis therapy of large tumors. Biomaterials 2025; 313:122793. [PMID: 39226655 DOI: 10.1016/j.biomaterials.2024.122793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 07/30/2024] [Accepted: 08/29/2024] [Indexed: 09/05/2024]
Abstract
Numerous nanoparticles have been utilized to deliver Fe2+ for tumor ferroptosis therapy, which can be readily converted to Fe3+via Fenton reactions to generate hydroxyl radical (•OH). However, the ferroptosis therapeutic efficacy of large tumors is limited due to the slow conversion of Fe3+ to Fe2+via Fenton reactions. Herein, a strategy of intratumor Fe3+/2+ cyclic catalysis is proposed for ferroptosis therapy of large tumors, which was realized based on our newly developed hollow mesoporous iron sesquioxide nanoparticle (HMISN). Cisplatin (CDDP) and Gd-poly(acrylic acid) macrochelates (GP) were loaded into the hollow core of HMISN, whose surface was modified by laccase (LAC). Fe3+, CDDP, GP, and LAC can be gradually released from CDDP@GP@HMISN@LAC in the acidic tumor microenvironment. The intratumor O2 can be catalyzed into superoxide anion (O2•-) by LAC, and the intratumor NADPH oxidases can be activated by CDDP to generate O2•-. The O2•- can react with Fe3+ to generate Fe2+, and raise H2O2 level via the superoxide dismutase. The generated Fe2+ and H2O2 can be fast converted into Fe3+ and •OH via Fenton reactions. The cyclic catalysis of intratumor Fe3+/2+ initiated by CDDP@GP@HMISN@LAC can be used for ferroptosis therapy of large tumors.
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Affiliation(s)
- Jing Yang
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, 1023 Shatai South Road, Baiyun, Guangzhou, Guangdong, 510515, China
| | - Bin Ren
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, 1023 Shatai South Road, Baiyun, Guangzhou, Guangdong, 510515, China
| | - Haobin Cai
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, 1023 Shatai South Road, Baiyun, Guangzhou, Guangdong, 510515, China
| | - Wei Xiong
- Medical Imaging Center, Nanfang Hospital, Southern Medical University, 1023 Shatai South Road, Baiyun, Guangzhou, Guangdong, 510515, China
| | - Jie Feng
- Medical Imaging Center, Nanfang Hospital, Southern Medical University, 1023 Shatai South Road, Baiyun, Guangzhou, Guangdong, 510515, China
| | - Qingdeng Fan
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, 1023 Shatai South Road, Baiyun, Guangzhou, Guangdong, 510515, China
| | - Zongheng Li
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, 1023 Shatai South Road, Baiyun, Guangzhou, Guangdong, 510515, China
| | - Lin Huang
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, 1023 Shatai South Road, Baiyun, Guangzhou, Guangdong, 510515, China
| | - Chenggong Yan
- Medical Imaging Center, Nanfang Hospital, Southern Medical University, 1023 Shatai South Road, Baiyun, Guangzhou, Guangdong, 510515, China
| | - Yan Li
- Institute of Medical Instruments, School of Biomedical Engineering, Southern Medical University, 1023 Shatai South Road, Baiyun, Guangzhou, Guangdong, 510515, China.
| | - Chaomin Chen
- Institute of Medical Instruments, School of Biomedical Engineering, Southern Medical University, 1023 Shatai South Road, Baiyun, Guangzhou, Guangdong, 510515, China.
| | - Zheyu Shen
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, 1023 Shatai South Road, Baiyun, Guangzhou, Guangdong, 510515, China.
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23
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Yu Z, Wang Z, Chen Y, Wang Y, Tang L, Xi Y, Lai K, Zhang Q, Li S, Xu D, Tian A, Wu M, Wang Y, Yang G, Gao C, Huang T. Programmed surface platform orchestrates anti-bacterial ability and time-sequential bone healing for implant-associated infection. Biomaterials 2025; 313:122772. [PMID: 39190942 DOI: 10.1016/j.biomaterials.2024.122772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 08/01/2024] [Accepted: 08/23/2024] [Indexed: 08/29/2024]
Abstract
Implant-associated infection (IAI) has become an intractable challenge in clinic. The healing of IAI is a complex physiological process involving a series of spatiotemporal connected events. However, existing titanium-based implants in clinic suffer from poor antibacterial effect and single function. Herein, a versatile surface platform based on the presentation of sequential function is developed. Fabrication of titania nanotubes and poly-γ-glutamic acid (γ-PGA) achieves the efficient incorporation of silver ions (Ag+) and the pH-sensitive release in response to acidic bone infection microenvironment. The optimized PGA/Ag platform exhibits satisfactory biocompatibility and converts macrophages from pro-inflammatory M1 to pro-healing M2 phenotype during the subsequent healing stage, which creates a beneficial osteoimmune microenvironment and promotes angio/osteogenesis. Furthermore, the PGA/Ag platform mediates osteoblast/osteoclast coupling through inhibiting CCL3/CCR1 signaling. These biological effects synergistically improve osseointegration under bacterial infection in vivo, matching the healing process of IAI. Overall, the novel integrated PGA/Ag surface platform proposed in this study fulfills function cascades under pathological state and shows great potential in IAI therapy.
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Affiliation(s)
- Zhou Yu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Zhaolong Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Yitong Chen
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Yuchen Wang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Like Tang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Yue Xi
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Kaichen Lai
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Qi Zhang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Shuangyang Li
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Danyu Xu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Anrong Tian
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Mengjie Wu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Ying Wang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Guoli Yang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, 310006, China.
| | - Changyou Gao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, Zhejiang, 310027, China.
| | - Tingben Huang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, 310006, China.
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24
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Fazaeli R, Aliyan H, Richeson D, Li Y. A comparison increasing the photodegradation power of a Ag/g-C 3N 4 /CoNi-LDH nanocomposite: Photocatalytic activity toward water treatment. J Environ Sci (China) 2025; 148:437-450. [PMID: 39095178 DOI: 10.1016/j.jes.2023.09.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 08/29/2023] [Accepted: 09/05/2023] [Indexed: 08/04/2024]
Abstract
For environmental applications, it is crucial to rationally design and synthesize photocatalysts with positive exciton splitting and interfacial charge transfer. Here, a novel Ag-bridged dual Z-scheme Ag/g-C3N4/CoNi-LDH plasmonic heterojunction was successfully synthesized using a simple method, with the goal of overcoming the common drawbacks of traditional photocatalysts such as weak photoresponsivity, rapid combination of photo-generated carriers, and unstable structure. These materials were characterized by XRD, FT-IR, SEM, TEM UV-Vis/DRS, and XPS to verify the structure and stability of the heterostructure. The pristine LDH, g-C3N4, and Ag/g-C3N4/CoNi-LDH composite were investigated as photocatalysts for water remediation, an environmentally motivated process. Specifically, the photocatalytic degradation of tetracycline was studied as a model reaction. The performance of the supports and composite catalyst were determined by evaluating both the degradation and adsorption phenomenon. The influence of several experimental parameters such as catalyst loading, pH, and tetracycline concentration were evaluated. The current study provides important data for water treatment and similar environmental protection applications.
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Affiliation(s)
- Razieh Fazaeli
- Department of Chemical Engineering, Waterloo Institute for Nanotechnology (WIN), 200 University Ave W, Waterloo, ON N2L 3G1, Canada.
| | - Hamid Aliyan
- Department of Chemistry, Shahreza Branch, Islamic Azad University, 86145-311, Iran
| | - Darrin Richeson
- Department of Chemistry and Biomolecular Sciences, Center for Catalysis Research and Innovation, University of Ottawa, Ottawa, Ontario, K1N 6N5, Canada.
| | - Yuning Li
- Department of Chemical Engineering, Waterloo Institute for Nanotechnology (WIN), 200 University Ave W, Waterloo, ON N2L 3G1, Canada
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25
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Wang D, Ma W, Zhang Y, Wang Y, Sun L, Jiang J, Jiao L, Li R, Zhang Y, Zhang M, Zhou Q. A versatile nanoplatform carrying cascade Pt nanozymes remodeling tumor microenvironment for amplified sonodynamic/chemo therapy of thyroid cancer. Biomaterials 2025; 313:122778. [PMID: 39213978 DOI: 10.1016/j.biomaterials.2024.122778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 08/06/2024] [Accepted: 08/24/2024] [Indexed: 09/04/2024]
Abstract
Thyroid cancer is increasing globally, with anaplastic thyroid carcinoma (ATC) being the most aggressive type and having a poor prognosis. Current clinical treatments for thyroid cancer present numerous challenges, including invasiveness and the necessity of lifelong medication. Furthermore, a significant portion of patients with ATC experience cancer recurrence and metastasis. To overcome this dilemma, we developed a pH-responsive biomimetic nanocarrier (CLP@HP-A) through the incorporation of Chlorin e6 (Ce6) and Lenvatinib (Len) within hollow polydopamine nanoparticles (HP) that were further modified with platinum nanoparticles (Pt), enabling synergistic chemotherapy and sonodynamic therapy. The CLP@HP-A nanocarriers exhibited specific binding with galectin-3 receptors, facilitating their internalization through receptor-mediated endocytosis for targeted drug delivery. Upon exposure to ultrasound (US) irradiation, Ce6 rapidly generated reactive oxygen species (ROS) to induce significant oxidative stress and trigger apoptosis in tumor cells. Additionally, Pt not only alleviated tumor hypoxia by catalyzing the conversion of H2O2 to oxygen (O2) but also augmented intracellular ROS levels through the production of hydroxyl radicals (•OH), thereby enhancing the efficacy of sonodynamic therapy. Moreover, Len demonstrated a potent cytotoxic effect on thyroid cancer cells through the induction of apoptosis. Transcriptomics analysis findings additionally corroborated that CLP@HP-A effectively triggered cancer cell apoptosis, thereby serving as a crucial mechanism for its cytotoxic effects. In conclusion, the integration of sonodynamic/chemo combination therapy with targeted drug delivery systems offers a novel approach to the management of malignant tumors.
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Affiliation(s)
- Dan Wang
- Department of Ultrasound, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, China
| | - Wenqi Ma
- Department of Ultrasound, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, China
| | - Yuanyuan Zhang
- School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Yufeng Wang
- Department of Hepatobiliary Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Lei Sun
- Department of Ultrasound, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, China
| | - Jue Jiang
- Department of Ultrasound, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, China
| | - Lianying Jiao
- School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Runqing Li
- Department of Radiology, the First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Yujie Zhang
- School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China.
| | - Mingzhen Zhang
- School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China; Department of Hepatobiliary Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China.
| | - Qi Zhou
- Department of Ultrasound, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, China.
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Li SR, Tao SY, Li Q, Hu CY, Sun ZJ. Harnessing nanomaterials for copper-induced cell death. Biomaterials 2025; 313:122805. [PMID: 39250865 DOI: 10.1016/j.biomaterials.2024.122805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 08/20/2024] [Accepted: 09/01/2024] [Indexed: 09/11/2024]
Abstract
Copper (Cu), an essential micronutrient with redox properties, plays a pivotal role in a wide array of pathological and physiological processes across virtually all cell types. Maintaining an optimal copper concentration is critical for cellular survival: insufficient copper levels disrupt respiration and metabolism, while excess copper compromises cell viability, potentially leading to cell death. Similarly, in the context of cancer, copper exhibits a dual role: appropriate amount of copper can promote tumor progression and be an accomplice, yet beyond befitting level, copper can bring about multiple types of cell death, including autophagy, apoptosis, ferroptosis, immunogenic cell death, pyroptosis, and cuproptosis. These forms of cell death are beneficial against cancer progression; however, achieving precise copper regulation within tumors remains a significant challenge in the pursuit of effective cancer therapies. The emergence of nanodrug delivery systems, distinguished by their precise targeting, controlled release, high payload capacity, and the ability to co-deliver multiple agents, has revitalized interest in exploiting copper's precise regulatory capabilities. Nevertheless, there remains a dearth of comprehensive review of copper's bidirectional effects on tumorigenesis and the role of copper-based nanomaterials in modulating tumor progression. This paper aims to address this gap by elucidating the complex role in cancer biology and highlighting its potential as a therapeutic target. Through an exploration of copper's dualistic nature and the application of nanotechnology, this review seeks to offer novel insights and guide future research in advancing cancer treatment.
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Affiliation(s)
- Su-Ran Li
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430079, Hubei, PR China
| | - Shi-Yue Tao
- Bathune School of Stomatology, Jilin University, Changchun, 130021, Jilin, PR China
| | - Qian Li
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430079, Hubei, PR China
| | - Chuan-Yu Hu
- Department of Stomatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, PR China.
| | - Zhi-Jun Sun
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430079, Hubei, PR China.
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27
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Liu WS, Lu ZM, Pu XH, Li XY, Zhang HQ, Zhang ZZ, Zhang XY, Shi T, Jiang XH, Zhou JS, Zhou X, Xin ZY, Li MG, Yuan J, Chen CM, Zhang XW, Gao J, Li M. A dendritic cell-recruiting, antimicrobial blood clot hydrogel for melanoma recurrence prevention and infected wound management. Biomaterials 2025; 313:122776. [PMID: 39236629 DOI: 10.1016/j.biomaterials.2024.122776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 08/07/2024] [Accepted: 08/24/2024] [Indexed: 09/07/2024]
Abstract
Surgical resection, the mainstay for melanoma treatment, faces challenges due to high tumor recurrence rates and complex postoperative wound healing. Chronic inflammation from residual disease and the risk of secondary infections impede healing. We introduce an innovative, injectable hydrogel system that integrates a multifaceted therapeutic approach. The hydrogel, crosslinked by calcium ions with sodium alginate, encapsulates a blood clot rich in dendritic cells (DCs) chemoattractants and melanoma cell-derived nanovesicles (NVs), functioning as a potent immunostimulant. This in situ recruitment strategy overcomes the limitations of subcutaneous tumor vaccine injections and more effectively achieves antitumor immunity. Additionally, the hydrogel incorporates Chlorella extracts, enhancing its antimicrobial properties to prevent wound infections and promote healing. One of the key findings of our research is the dual functionality of Chlorella extracts; they not only expedite the healing process of infected wounds but also increase the hydrogel's ability to stimulate an antitumor immune response. Given the patient-specific nature of the blood clot and NVs, our hydrogel system offers customizable solutions for individual postoperative requirements. This personalized approach is highlighted by our study, which demonstrates the synergistic impact of the composite hydrogel on preventing melanoma recurrence and hastening wound healing, potentially transforming postsurgical melanoma management.
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Affiliation(s)
- Wen-Shang Liu
- Department of Dermatology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China; School of Pharmacy, Henan University, Kaifeng, 475004, People's Republic of China
| | - Zheng-Mao Lu
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Naval Medical University, Shanghai, 200433, People's Republic of China
| | - Xiao-Hui Pu
- School of Pharmacy, Henan University, Kaifeng, 475004, People's Republic of China
| | - Xin-Ying Li
- Department of Laboratory & Diagnosis, The First Affiliated Hospital of Naval Medical University, Shanghai, 200433, People's Republic of China
| | - Hui-Qi Zhang
- Department of Dermatology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China; School of Pharmacy, Henan University, Kaifeng, 475004, People's Republic of China
| | - Zhuan-Zhuan Zhang
- Institute of Translational Medicine, Shanghai University, Shanghai, 200444, People's Republic of China
| | - Xin-Yi Zhang
- Institute of Translational Medicine, Shanghai University, Shanghai, 200444, People's Republic of China
| | - Te Shi
- Department of Gastroenterology, People's Liberation Army of China Naval Medical Center, Shanghai, 200052, People's Republic of China
| | - Xiang-He Jiang
- College of Life Science, Mudanjiang Medical University, Mudanjiang, 157011, People's Republic of China
| | - Jing-Sheng Zhou
- College of Life Science, Mudanjiang Medical University, Mudanjiang, 157011, People's Republic of China
| | - Xuan Zhou
- School of Pharmacy, Henan University, Kaifeng, 475004, People's Republic of China
| | - Zhong-Yuan Xin
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, People's Republic of China
| | - Mei-Gui Li
- School of Pharmacy, Henan University, Kaifeng, 475004, People's Republic of China
| | - Jing Yuan
- Department of Pediatrics, The First Affiliated Hospital of Naval Medical University, Shanghai, 200433, People's Republic of China
| | - Cui-Min Chen
- Changhai Clinical Research Unit, The First Affiliated Hospital of Naval Medical University, Shanghai, 200433, People's Republic of China
| | - Xiao-Wei Zhang
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, 200032, People's Republic of China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, People's Republic of China.
| | - Jie Gao
- Changhai Clinical Research Unit, The First Affiliated Hospital of Naval Medical University, Shanghai, 200433, People's Republic of China.
| | - Meng Li
- Department of Dermatology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, People's Republic of China.
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28
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Zhang L, Shi J, Zhu MH, Huang Y, Lu Q, Sun P, Chen HZ, Lai X, Fang C. Liposomes-enabled cancer chemoimmunotherapy. Biomaterials 2025; 313:122801. [PMID: 39236630 DOI: 10.1016/j.biomaterials.2024.122801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 08/05/2024] [Accepted: 09/01/2024] [Indexed: 09/07/2024]
Abstract
Chemoimmunotherapy is an emerging paradigm in the clinic for treating several malignant diseases, such as non-small cell lung cancer, breast cancer, and large B-cell lymphoma. However, the efficacy of this strategy is still restricted by serious adverse events and a high therapeutic termination rate, presumably due to the lack of tumor-targeted distribution of both chemotherapeutic and immunotherapeutic agents. Targeted drug delivery has the potential to address this issue. Among the most promising nanocarriers in clinical translation, liposomes have drawn great attention in cancer chemoimmunotherapy in recent years. Liposomes-enabled cancer chemoimmunotherapy has made significant progress in clinics, with impressive therapeutic outcomes. This review summarizes the latest preclinical and clinical progress in liposome-enabled cancer chemoimmunotherapy and discusses the challenges and future directions of this field.
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Affiliation(s)
- Lele Zhang
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Systems Medicine for Cancer, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Jiangpei Shi
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Systems Medicine for Cancer, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Mao-Hua Zhu
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Systems Medicine for Cancer, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Yanhu Huang
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Systems Medicine for Cancer, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Qin Lu
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Systems Medicine for Cancer, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Peng Sun
- Department of General Surgery, Tongren Hospital, SJTU-SM, Shanghai, 200336, China
| | - Hong-Zhuan Chen
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Biomedical Research, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Xing Lai
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Systems Medicine for Cancer, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
| | - Chao Fang
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Systems Medicine for Cancer, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China; Key Laboratory of Basic Pharmacology of Ministry of Education & Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, 563003, China.
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29
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Zhang L, Yu Y, Ding K, Ji C, Zhang D, Liang P, Tang BZ, Feng G. Tumor microenvironment ameliorative and adaptive nanoparticles with photothermal-to-photodynamic switch for cancer phototherapy. Biomaterials 2025; 313:122771. [PMID: 39190940 DOI: 10.1016/j.biomaterials.2024.122771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 08/23/2024] [Accepted: 08/23/2024] [Indexed: 08/29/2024]
Abstract
The notorious tumor microenvironment (TME) usually becomes more deteriorative during phototherapeutic progress that hampers the antitumor efficacy. To overcome this issue, we herein report the ameliorative and adaptive nanoparticles (TPASIC-PFH@PLGA NPs) that simultaneously reverse hypoxia TME and switch photoactivities from photothermal-dominated state to photodynamic-dominated state to maximize phototherapeutic effect. TPASIC-PFH@PLGA NPs are designed by incorporating oxygen-rich liquid perfluorohexane (PFH) into the intraparticle microenvironment to regulate the intramolecular motions of AIE photosensitizer TPASIC. TPASIC exhibits a unique aggregation-enhanced reactive oxygen species (ROS) generation feature. PFH incorporation affords TPASIC the initially dispersed state, thus promoting active intramolecular motions and photothermal conversion efficiency. While PFH volatilization leads to nanoparticle collapse and the formation of tight TPASIC aggregates with largely enhanced ROS generation efficiency. As a consequence, PFH incorporation not only currently promotes both photothermal and photodynamic efficacies of TPASIC and increases the intratumoral oxygen level, but also enables the smart photothermal-to-photodynamic switch to maximize the phototherapeutic performance. The integration of PFH and AIE photosensitizer eventually delivers more excellent antitumor effect over conventional phototherapeutic agents with fixed photothermal and photodynamic efficacies. This study proposes a new nanoengineering strategy to ameliorate TME and adapt the treatment modality to fit the changed TME for advanced antitumor applications.
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Affiliation(s)
- Le Zhang
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, School of Materials Science and Engineering, AIE Institute, South China University of Technology, Guangzhou, 510640, China
| | - Yuewen Yu
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, School of Materials Science and Engineering, AIE Institute, South China University of Technology, Guangzhou, 510640, China
| | - Keke Ding
- Department of Urology, The First Affiliated Hospital of Wannan Medical College (Yijishan Hospital of Wannan Medical College), No. 2 Zheshan Road, Wuhu, 241001, China
| | - Chao Ji
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, School of Materials Science and Engineering, AIE Institute, South China University of Technology, Guangzhou, 510640, China
| | - Di Zhang
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, School of Materials Science and Engineering, AIE Institute, South China University of Technology, Guangzhou, 510640, China
| | - Ping Liang
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, School of Materials Science and Engineering, AIE Institute, South China University of Technology, Guangzhou, 510640, China
| | - Ben Zhong Tang
- Shenzhen Institute of Aggregate Science and Technology, School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, 2001 Longxiang Boulevard, Longgang District, Shenzhen City, Guangdong, 518172, China
| | - Guangxue Feng
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, School of Materials Science and Engineering, AIE Institute, South China University of Technology, Guangzhou, 510640, China.
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30
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Simon L, Constanzo J, Terraza-Aguirre C, Ibn Elfekih Z, Berthelot J, Benkhaled BT, Haute T, Pednekar K, Clark K, Emerson SJ, Atis S, Benedetti C, Langlois S, Marquant A, Prakash J, Wang A, Devoisselle JM, Montier T, Djouad F, Pouget JP, Lapinte V, Morille M. Surface modification of extracellular vesicles with polyoxazolines to enhance their plasma stability and tumor accumulation. Biomaterials 2025; 313:122748. [PMID: 39180918 DOI: 10.1016/j.biomaterials.2024.122748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 07/23/2024] [Accepted: 08/05/2024] [Indexed: 08/27/2024]
Abstract
Extracellular vesicles (EVs) are future promising therapeutics, but their instability in vivo after administration remains an important barrier to their further development. Many groups evaluated EV surface modification strategies to add a targeting group with the aim of controlling EV biodistribution. Conversely, fewer groups focused on their stabilization to obtain "stealth" allogenic EVs. Modulating their stabilization and biodistribution is an essential prerequisite for their development as nano-therapeutics. Here, we explored polyoxazolines with lipid anchors association to the EV membrane (POxylation as an alternative to PEGylation) to stabilize EVs in plasma and control their biodistribution, while preserving their native properties. We found that this modification maintained and seemed to potentiate the immunomodulatory properties of EVs derived from mesenchymal stem/stromal cells (MSC). Using a radiolabeling protocol to track EVs at a therapeutically relevant concentration in vivo, we demonstrated that POxylation is a promising option to stabilize EVs in plasma because it increased EV half-life by 6 fold at 6 h post-injection. Moreover, EV accumulation in tumors was higher after POxylation than after PEGylation.
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Affiliation(s)
- L Simon
- ICGM, Montpellier University, CNRS, ENSCM, Montpellier, France
| | - J Constanzo
- Institut de Recherche en Cancérologie de Montpellier (IRCM), INSERM U1194, Université de Montpellier, Institut Régional Du Cancer de Montpellier (ICM), Montpellier, France
| | | | - Z Ibn Elfekih
- ICGM, Montpellier University, CNRS, ENSCM, Montpellier, France
| | - J Berthelot
- ICGM, Montpellier University, CNRS, ENSCM, Montpellier, France
| | - B T Benkhaled
- ICGM, Montpellier University, CNRS, ENSCM, Montpellier, France
| | - T Haute
- Univ Brest, INSERM, EFS, UMR 1078, GGB, F-29200, Brest, France
| | - K Pednekar
- Department of Advanced Organ Bioengineering and Therapeutics, Engineered Therapeutics Section, Technical Medical Centre, University of Twente, 7500 AE, Enschede, the Netherlands
| | - K Clark
- Center for Surgical Bioengineering, Deparment of Surgery, University of California Davis School of Medicine, Sacramento, CA, USA; Institute for Pediatric Regenerative Medicine, Shriners Children's Northern California, Sacramento, CA, USA
| | - S J Emerson
- Center for Surgical Bioengineering, Deparment of Surgery, University of California Davis School of Medicine, Sacramento, CA, USA; Institute for Pediatric Regenerative Medicine, Shriners Children's Northern California, Sacramento, CA, USA
| | - S Atis
- Institut de Recherche en Cancérologie de Montpellier (IRCM), INSERM U1194, Université de Montpellier, Institut Régional Du Cancer de Montpellier (ICM), Montpellier, France
| | - C Benedetti
- Montpellier Ressources Imagerie, BioCampus, University of Montpellier, CNRS, INSERM, Montpellier, France
| | - S Langlois
- Montpellier Ressources Imagerie, BioCampus, University of Montpellier, CNRS, INSERM, Montpellier, France
| | - A Marquant
- ICGM, Montpellier University, CNRS, ENSCM, Montpellier, France
| | - J Prakash
- Department of Advanced Organ Bioengineering and Therapeutics, Engineered Therapeutics Section, Technical Medical Centre, University of Twente, 7500 AE, Enschede, the Netherlands
| | - A Wang
- Center for Surgical Bioengineering, Deparment of Surgery, University of California Davis School of Medicine, Sacramento, CA, USA; Institute for Pediatric Regenerative Medicine, Shriners Children's Northern California, Sacramento, CA, USA
| | - J M Devoisselle
- ICGM, Montpellier University, CNRS, ENSCM, Montpellier, France
| | - T Montier
- Univ Brest, INSERM, EFS, UMR 1078, GGB, F-29200, Brest, France; CHU de Brest, Service de Génétique Médicale et de Biologie de La Reproduction, Centre de Référence des Maladies Rares Maladies Neuromusculaires, 29200, Brest, France
| | - F Djouad
- IRMB, University of Montpellier, INSERM, 34295, Montpellier, France; Clinical Immunology and Osteoarticular Disease Therapeutic Unit, Department of Rheumatology, CHU Montpellier, 34095, Montpellier, France
| | - J P Pouget
- Institut de Recherche en Cancérologie de Montpellier (IRCM), INSERM U1194, Université de Montpellier, Institut Régional Du Cancer de Montpellier (ICM), Montpellier, France
| | - V Lapinte
- ICGM, Montpellier University, CNRS, ENSCM, Montpellier, France
| | - Marie Morille
- ICGM, Montpellier University, CNRS, ENSCM, Montpellier, France; Institut Universitaire de France (IUF), Paris, France.
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31
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Li Y, Li J, Zhong Y, Zhang Q, Wu Y, Huang J, Pang K, Zhou Y, Xiao T, Wu Z, Sun W, He C. pH-responsive and nanoenzyme-loaded artificial nanocells relieved osteomyelitis efficiently by synergistic chemodynamic and cuproptosis therapy. Biomaterials 2025; 313:122762. [PMID: 39178559 DOI: 10.1016/j.biomaterials.2024.122762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 08/03/2024] [Accepted: 08/17/2024] [Indexed: 08/26/2024]
Abstract
Osteomyelitis is an osseous infectious disease that primarily affects children and the elderly with high morbidity and recurrence. The conventional treatments of osteomyelitis contain long-term and high-dose systemic antibiotics with debridements, which are not effective and lead to antibiotic resistance with serious side/adverse effects in many cases. Hence, developing novel antibiotic-free interventions against osteomyelitis (especially antibiotic-resistant bacterial infection) is urgent and anticipated. Here, a bone mesenchymal stem cell membrane-constructed nanocell (CFE@CM) was fabricated against osteomyelitis with the characteristics of acid-responsiveness, hydrogen peroxide self-supplying, enhanced chemodynamic therapeutic efficacy, bone marrow targeting and cuproptosis induction. Notably, mRNA sequencing was applied to unveil the underlying biological mechanisms and found that the biological processes related to copper ion binding, oxidative phosphorylation, peptide biosynthesis and metabolism, etc., were disturbed by CFE@CM in bacteria. This work provided an innovative antibiotic-free strategy against osteomyelitis through copper-enhanced Fenton reaction and distinct cuproptosis, promising to complement the current insufficient therapeutic regimen in clinic.
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Affiliation(s)
- Yuanhui Li
- Department of Orthopedic Surgery, Guangzhou Key Laboratory of Spine Disease Prevention and Treatment, Guangdong Provincial Engineering Research Center for Biomedical Engineering, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510150, China
| | - Jian Li
- Department of Orthopedic Surgery, Guangzhou Key Laboratory of Spine Disease Prevention and Treatment, Guangdong Provincial Engineering Research Center for Biomedical Engineering, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510150, China
| | - Yuxuan Zhong
- Department of Orthopedic Surgery, Guangzhou Key Laboratory of Spine Disease Prevention and Treatment, Guangdong Provincial Engineering Research Center for Biomedical Engineering, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510150, China
| | - Qingshun Zhang
- Department of Orthopedic Surgery, Guangzhou Key Laboratory of Spine Disease Prevention and Treatment, Guangdong Provincial Engineering Research Center for Biomedical Engineering, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510150, China
| | - Yuchun Wu
- Department of Orthopedic Surgery, Guangzhou Key Laboratory of Spine Disease Prevention and Treatment, Guangdong Provincial Engineering Research Center for Biomedical Engineering, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510150, China
| | - Jinpeng Huang
- Department of Orthopedic Surgery, Guangzhou Key Laboratory of Spine Disease Prevention and Treatment, Guangdong Provincial Engineering Research Center for Biomedical Engineering, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510150, China
| | - Kaicheng Pang
- Department of Orthopedic Surgery, Guangzhou Key Laboratory of Spine Disease Prevention and Treatment, Guangdong Provincial Engineering Research Center for Biomedical Engineering, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510150, China
| | - Yuanyue Zhou
- Department of Orthopedic Surgery, Guangzhou Key Laboratory of Spine Disease Prevention and Treatment, Guangdong Provincial Engineering Research Center for Biomedical Engineering, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510150, China
| | - Tong Xiao
- Department of Orthopedic Surgery, Guangzhou Key Laboratory of Spine Disease Prevention and Treatment, Guangdong Provincial Engineering Research Center for Biomedical Engineering, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510150, China
| | - Zenghui Wu
- Department of Orthopedic Surgery, Guangzhou Key Laboratory of Spine Disease Prevention and Treatment, Guangdong Provincial Engineering Research Center for Biomedical Engineering, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510150, China.
| | - Wei Sun
- Department of Obstetrics and Gynecology, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, Guangdong-Hong Kong-Macao Greater Bay Area Higher Education Joint Laboratory of Maternal-Fetal Medicine, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510150, China.
| | - Chao He
- Department of Orthopedic Surgery, Guangzhou Key Laboratory of Spine Disease Prevention and Treatment, Guangdong Provincial Engineering Research Center for Biomedical Engineering, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510150, China.
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Liu Q, Xie J, Zhou R, Deng J, Nie W, Sun S, Wang H, Shi C. A matrix metalloproteinase-responsive hydrogel system controls angiogenic peptide release for repair of cerebral ischemia/reperfusion injury. Neural Regen Res 2025; 20:503-517. [PMID: 38819063 PMCID: PMC11317963 DOI: 10.4103/nrr.nrr-d-23-01322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 12/12/2023] [Accepted: 01/29/2024] [Indexed: 06/01/2024] Open
Abstract
JOURNAL/nrgr/04.03/01300535-202502000-00028/figure1/v/2024-05-28T214302Z/r/image-tiff Vascular endothelial growth factor and its mimic peptide KLTWQELYQLKYKGI (QK) are widely used as the most potent angiogenic factors for the treatment of multiple ischemic diseases. However, conventional topical drug delivery often results in a burst release of the drug, leading to transient retention (inefficacy) and undesirable diffusion (toxicity) in vivo. Therefore, a drug delivery system that responds to changes in the microenvironment of tissue regeneration and controls vascular endothelial growth factor release is crucial to improve the treatment of ischemic stroke. Matrix metalloproteinase-2 (MMP-2) is gradually upregulated after cerebral ischemia. Herein, vascular endothelial growth factor mimic peptide QK was self-assembled with MMP-2-cleaved peptide PLGLAG (TIMP) and customizable peptide amphiphilic (PA) molecules to construct nanofiber hydrogel PA-TIMP-QK. PA-TIMP-QK was found to control the delivery of QK by MMP-2 upregulation after cerebral ischemia/reperfusion and had a similar biological activity with vascular endothelial growth factor in vitro. The results indicated that PA-TIMP-QK promoted neuronal survival, restored local blood circulation, reduced blood-brain barrier permeability, and restored motor function. These findings suggest that the self-assembling nanofiber hydrogel PA-TIMP-QK may provide an intelligent drug delivery system that responds to the microenvironment and promotes regeneration and repair after cerebral ischemia/reperfusion injury.
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Affiliation(s)
- Qi Liu
- Department of Human Anatomy, Histology and Embryology, School of Basic Medicine, Qingdao University, Qingdao, Shandong Province, China
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Jianye Xie
- Department of General Practice, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Runxue Zhou
- Department of Human Anatomy, Histology and Embryology, School of Basic Medicine, Qingdao University, Qingdao, Shandong Province, China
| | - Jin Deng
- Department of Human Anatomy, Histology and Embryology, School of Basic Medicine, Qingdao University, Qingdao, Shandong Province, China
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Weihong Nie
- Department of Human Anatomy, Histology and Embryology, School of Basic Medicine, Qingdao University, Qingdao, Shandong Province, China
| | - Shuwei Sun
- Department of Human Anatomy, Histology and Embryology, School of Basic Medicine, Qingdao University, Qingdao, Shandong Province, China
| | - Haiping Wang
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Chunying Shi
- Department of Human Anatomy, Histology and Embryology, School of Basic Medicine, Qingdao University, Qingdao, Shandong Province, China
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Wang Y, Zhang Z, Shi Y, Yu X, Zhang X, Ma X, Su J, Ding R, Lin Y. Epidermal secretion-purified biosensing patch with hydrogel sebum filtering membrane and unidirectional flow microfluidic channels. Biomaterials 2025; 313:122810. [PMID: 39243673 DOI: 10.1016/j.biomaterials.2024.122810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2024] [Revised: 08/22/2024] [Accepted: 09/02/2024] [Indexed: 09/09/2024]
Abstract
The development of biosensing electronics for real-time sweat analysis has attracted increasing research interest due to their promising applications for non-invasive health monitoring. However, one of the critical challenges lies in the sebum interference that largely limits the sensing reliability in practical scenarios. Herein, we report a flexible epidermal secretion-purified biosensing patch with a hydrogel filtering membrane that can effectively eliminate the impact of sebum and sebum-soluble substances. The as-prepared sebum filtering membranes feature a dual-layer sebum-resistant structure based on the poly(hydroxyethyl methacrylate) hydrogel functionalized with nano-brush structured poly(sulfobetaine) to eliminate interferences and provide self-cleaning capability. Furthermore, the unidirectional flow microfluidic channels design based on the Tesla valve was incorporated into the biosensing patch to prevent external sebum contamination and allow effective sweat refreshing for reliable sensing. By seamlessly combining these components, the epidermal secretion-purified biosensing patch enables continuous monitoring of sweat uric acid, pH, and sodium ions with significantly improved accuracy of up to 12 %. The proposed strategy for enhanced sweat sensing reliability without sebum interference shows desirable compatibility for different types of biosensors and would inspire the advances of flexible and wearable devices for non-invasive healthcare.
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Affiliation(s)
- Yuqi Wang
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Ziyu Zhang
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Yuqing Shi
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xiong Yu
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xinyi Zhang
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xiaohao Ma
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Junjie Su
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Ruochen Ding
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Yuanjing Lin
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, China.
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Tierney JW, Francisco RP, Yu F, Ma J, Cheung-Flynn J, Keech MC, D'Arcy R, Shah VM, Kittel AR, Chang DJ, McCune JT, Bezold MG, Aligwekwe AN, Cook RS, Beckman JA, Brophy CM, Duvall CL. Intravascular delivery of an MK2 inhibitory peptide to prevent restenosis after angioplasty. Biomaterials 2025; 313:122767. [PMID: 39216327 DOI: 10.1016/j.biomaterials.2024.122767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 08/14/2024] [Accepted: 08/20/2024] [Indexed: 09/04/2024]
Abstract
Peripheral artery disease is commonly treated with balloon angioplasty, a procedure involving minimally invasive, transluminal insertion of a catheter to the site of stenosis, where a balloon is inflated to open the blockage, restoring blood flow. However, peripheral angioplasty has a high rate of restenosis, limiting long-term patency. Therefore, angioplasty is sometimes paired with delivery of cytotoxic drugs like paclitaxel to reduce neointimal tissue formation. We pursue intravascular drug delivery strategies that target the underlying cause of restenosis - intimal hyperplasia resulting from stress-induced vascular smooth muscle cell switching from the healthy contractile into a pathological synthetic phenotype. We have established MAPKAP kinase 2 (MK2) as a driver of this phenotype switch and seek to establish convective and contact transfer (coated balloon) methods for MK2 inhibitory peptide delivery to sites of angioplasty. Using a flow loop bioreactor, we showed MK2 inhibition in ex vivo arteries suppresses smooth muscle cell phenotype switching while preserving vessel contractility. A rat carotid artery balloon injury model demonstrated inhibition of intimal hyperplasia following MK2i coated balloon treatment in vivo. These studies establish both convective and drug coated balloon strategies as promising approaches for intravascular delivery of MK2 inhibitory formulations to improve efficacy of balloon angioplasty.
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Affiliation(s)
- J William Tierney
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, 37235, USA
| | - R Paolo Francisco
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, 37235, USA
| | - Fang Yu
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, 37235, USA
| | - Jinqi Ma
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, 37235, USA
| | - Joyce Cheung-Flynn
- Division of Vascular Surgery, Department of Surgery, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
| | - Megan C Keech
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, 37235, USA
| | - Richard D'Arcy
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, 37235, USA; Chemical Engineering, School of Engineering of Matter, Transport and Energy, Arizona State University, Tempe, AZ, USA
| | - Veeraj M Shah
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, 37235, USA
| | - Anna R Kittel
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, 37235, USA
| | - Devin J Chang
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, 37235, USA
| | - Joshua T McCune
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, 37235, USA
| | - Mariah G Bezold
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, 37235, USA
| | - Adrian N Aligwekwe
- Medical Scientist Training Program, Vanderbilt University School of Medicine, Nashville, TN, 37232, USA; North Carolina State University, Raleigh, NC, 27695, USA
| | - Rebecca S Cook
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, 37235, USA; Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
| | - Joshua A Beckman
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Colleen M Brophy
- Division of Vascular Surgery, Department of Surgery, Vanderbilt University Medical Center, Nashville, TN, 37232, USA; Veterans Affairs Medical Center, VA Tennessee Valley Healthcare System, Nashville, TN, 37212, USA
| | - Craig L Duvall
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, 37235, USA.
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Ji Y, Hu Y, Feng Y, Liu L, Chen Z, Shen H, Han Y, Xu H, Lao L. Mitochondrial 'Birth-Death' coordinator: An intelligent hydrogen nanogenerator to enhance intervertebral disc regeneration. Biomaterials 2025; 313:122764. [PMID: 39190941 DOI: 10.1016/j.biomaterials.2024.122764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2024] [Revised: 08/06/2024] [Accepted: 08/19/2024] [Indexed: 08/29/2024]
Abstract
Currently, mitochondrial dysfunction caused by oxidative stress is a growing concern in degenerative diseases, notably intervertebral disc degeneration (IVDD). Dysregulation of the balance of mitochondrial quality control (MQC) has been considered the key contributor, while it's still challenging to effectively harmonize different MQC components in a simple and biologically safe way. Hydrogen gas (H2) is a promising mitochondrial therapeutic molecule due to its bio-reductivity and diffusibility across cellular membranes, yet its relationship with MQC regulation remains unknown. Herein, we propose a mitochondrial 'Birth-Death' coordinator achieved by an intelligent hydrogen nanogenerator (Fe@HP-OD), which can sustainably release H2 in response to the unique microenvironment in degenerated IVDs. Both in vitro and in vivo results prove alleviation of cellular oxidative stress and restoration of nucleus pulposus cells function, thereby facilitating successful IVD regeneration. Significantly, this study for the first time proposes the mitochondrial 'Birth-Death' coordination mechanism: 1) attenuation of overactivated mitochondrial 'Death' process (UPRmt and unselective mitophagy); and 2) activation of Adenosine 5'-monophosphate-activated protein kinase (AMPK) signaling pathway for mitochondrial 'Birth-Death' balance (mitochondrial biogenesis and controlled mitophagy). These pioneering findings can fill in the gaps in molecular mechanisms for H2 regulation on MQC homeostasis, and pave the way for future strategies towards restoring equilibrium of MQC system against degenerative diseases.
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Affiliation(s)
- Yucheng Ji
- Department of Spine Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, No.160 Pujian Road, Shanghai, 200127, PR China
| | - Yuwei Hu
- Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemical and Materials Sciences, Shanghai Normal University, No. 100 Guilin Road, Shanghai, 200234, PR China
| | - Yubo Feng
- Department of Spine Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, No.160 Pujian Road, Shanghai, 200127, PR China
| | - Lei Liu
- Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemical and Materials Sciences, Shanghai Normal University, No. 100 Guilin Road, Shanghai, 200234, PR China
| | - Zhanyi Chen
- Department of Spine Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, No.160 Pujian Road, Shanghai, 200127, PR China
| | - Hongxing Shen
- Department of Spine Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, No.160 Pujian Road, Shanghai, 200127, PR China
| | - Yingchao Han
- Department of Spine Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, No.160 Pujian Road, Shanghai, 200127, PR China.
| | - He Xu
- Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemical and Materials Sciences, Shanghai Normal University, No. 100 Guilin Road, Shanghai, 200234, PR China.
| | - Lifeng Lao
- Department of Spine Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, No.160 Pujian Road, Shanghai, 200127, PR China.
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36
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Xu Q, Fu H, Gu J, Lei L, Ling L. Catalytic detoxification of mitoxantrone by graphitic carbon nitride (g-C 3N 4) supported Fe/Pd bimetallic nanoparticles. J Environ Sci (China) 2025; 148:614-624. [PMID: 39095194 DOI: 10.1016/j.jes.2024.01.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 01/31/2024] [Indexed: 08/04/2024]
Abstract
The overuse of antibiotics and antitumor drugs has resulted in more and more extensive pollution of water bodies with organic drugs, causing detrimental ecological effects, which have attracted attention towards effective and sustainable methods for antibiotics and antitumor drug degradation. Here, the hybrid nanomaterial (g-C3N4@Fe/Pd) was synthesized and used to remove a kind of both an antibiotic and antitumor drug named mitoxantrone (MTX) with 92.0% removal efficiency, and the MTX removal capacity is 450 mg/g. After exposing to the hybrid material the MTX aqueous solution changed color from dark blue to lighter progressively, and LC-UV results of residual solutions show that a new peak at 3.0 min (MTX: 13.2 min) after removal by g-C3N4@Fe/Pd appears, with the simultaneous detection of intermediate products indicating that g-C3N4@Fe/Pd indeed degrades MTX. Detailed mass spectrometric analysis suggests that the nuclear mass ratio decreased from 445.2 (M+1H) to 126.0 (M+1H), 169.1 (M+1H), 239.2 (M+1H), 267.3 (M+1H), 285.2 (M+1H), 371.4 (M+1H) and 415.2 (M+1H), and the maximum proportion (5.63%) substance of all degradation products (126.0 (M+1H)) is 40-100 times less toxic than MTX. A mechanism for the removal and degradation of mitoxantrone was proposed. Besides, actual water experiments confirmed that the maximum removal capacity of MTX by g-C3N4@Fe/Pd is up to 492.4 mg/g (0.02 g/L, 10 ppm).
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Affiliation(s)
- Qianyu Xu
- State Key Laboratory for Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Haoyang Fu
- State Key Laboratory for Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Jiyuan Gu
- State Key Laboratory for Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Liyu Lei
- State Key Laboratory for Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Lan Ling
- State Key Laboratory for Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.
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37
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Li T, Xing HM, Qian HD, Gao Q, Xu SL, Ma H, Chi ZL. Small extracellular vesicles derived from human induced pluripotent stem cell-differentiated neural progenitor cells mitigate retinal ganglion cell degeneration in a mouse model of optic nerve injury. Neural Regen Res 2025; 20:587-597. [PMID: 38819069 PMCID: PMC11317950 DOI: 10.4103/nrr.nrr-d-23-01414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 11/14/2023] [Accepted: 12/29/2023] [Indexed: 06/01/2024] Open
Abstract
JOURNAL/nrgr/04.03/01300535-202502000-00034/figure1/v/2024-05-28T214302Z/r/image-tiff Several studies have found that transplantation of neural progenitor cells (NPCs) promotes the survival of injured neurons. However, a poor integration rate and high risk of tumorigenicity after cell transplantation limits their clinical application. Small extracellular vesicles (sEVs) contain bioactive molecules for neuronal protection and regeneration. Previous studies have shown that stem/progenitor cell-derived sEVs can promote neuronal survival and recovery of neurological function in neurodegenerative eye diseases and other eye diseases. In this study, we intravitreally transplanted sEVs derived from human induced pluripotent stem cells (hiPSCs) and hiPSCs-differentiated NPCs (hiPSC-NPC) in a mouse model of optic nerve crush. Our results show that these intravitreally injected sEVs were ingested by retinal cells, especially those localized in the ganglion cell layer. Treatment with hiPSC-NPC-derived sEVs mitigated optic nerve crush-induced retinal ganglion cell degeneration, and regulated the retinal microenvironment by inhibiting excessive activation of microglia. Component analysis further revealed that hiPSC-NPC derived sEVs transported neuroprotective and anti-inflammatory miRNA cargos to target cells, which had protective effects on RGCs after optic nerve injury. These findings suggest that sEVs derived from hiPSC-NPC are a promising cell-free therapeutic strategy for optic neuropathy.
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Affiliation(s)
- Tong Li
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Hui-Min Xing
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Hai-Dong Qian
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Qiao Gao
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Sheng-Lan Xu
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Hua Ma
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Zai-Long Chi
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
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38
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Qin Y, Zhu Y, Lu L, Wu H, Hu J, Wang F, Zhang B, Wang J, Yang X, Luo R, Chen J, Jiang Q, Yang L, Wang Y, Zhang X. Tailored extracellular matrix-mimetic coating facilitates reendothelialization and tissue healing of cardiac occluders. Biomaterials 2025; 313:122769. [PMID: 39208698 DOI: 10.1016/j.biomaterials.2024.122769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 08/07/2024] [Accepted: 08/21/2024] [Indexed: 09/04/2024]
Abstract
Minimally invasive transcatheter interventional therapy utilizing cardiac occluders represents the primary approach for addressing congenital heart defects and left atrial appendage (LAA) thrombosis. However, incomplete endothelialization and delayed tissue healing after occluder implantation collectively compromise clinical efficacy. In this study, we have customized a recombinant humanized collagen type I (rhCol I) and developed an rhCol I-based extracellular matrix (ECM)-mimetic coating. The innovative coating integrates metal-phenolic networks with anticoagulation and anti-inflammatory functions as a weak cross-linker, combining them with specifically engineered rhCol I that exhibits high cell adhesion activity and elicits a low inflammatory response. The amalgamation, driven by multiple forces, effectively serves to functionalize implantable materials, thereby responding positively to the microenvironment following occluder implantation. Experimental findings substantiate the coating's ability to sustain a prolonged anticoagulant effect, enhance the functionality of endothelial cells and cardiomyocyte, and modulate inflammatory responses by polarizing inflammatory cells into an anti-inflammatory phenotype. Notably, occluder implantation in a canine model confirms that the coating expedites reendothelialization process and promotes tissue healing. Collectively, this tailored ECM-mimetic coating presents a promising surface modification strategy for improving the clinical efficacy of cardiac occluders.
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Affiliation(s)
- Yumei Qin
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610065, China
| | - Yun Zhu
- National Key Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
| | - Lu Lu
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences and Shanghai Public Health Clinical Center, Fudan-Jinbo Joint Research Center, Fudan University, Shanghai, 200302, China
| | - Haoshuang Wu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610065, China
| | - Jinpeng Hu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610065, China; Shanghai Shape Memory Alloy Co., Ltd, Shanghai, 200940, China
| | - Fan Wang
- Shanghai Shape Memory Alloy Co., Ltd, Shanghai, 200940, China
| | - Bo Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610065, China
| | - Jian Wang
- Shanxi Provincial Key Laboratory for Functional Proteins, Shanxi Jinbo Bio-Pharmaceutical Co., Ltd, Taiyuan, 030032, China
| | - Xia Yang
- Shanxi Provincial Key Laboratory for Functional Proteins, Shanxi Jinbo Bio-Pharmaceutical Co., Ltd, Taiyuan, 030032, China
| | - Rifang Luo
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610065, China
| | - Juan Chen
- Shanghai Shape Memory Alloy Co., Ltd, Shanghai, 200940, China
| | - Qing Jiang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610065, China
| | - Li Yang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610065, China.
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610065, China.
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610065, China
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Wang L, Bi S, Li Z, Liao A, Li Y, Yang L, Zhou X, Gao Y, Liu X, Zou Y, Zhang X, Shi J, Yu S, Yu Z, Guo J. Napabucasin deactivates STAT3 and promotes mitoxantrone-mediated cGAS-STING activation for hepatocellular carcinoma chemo-immunotherapy. Biomaterials 2025; 313:122766. [PMID: 39180916 DOI: 10.1016/j.biomaterials.2024.122766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2024] [Revised: 08/15/2024] [Accepted: 08/19/2024] [Indexed: 08/27/2024]
Abstract
The immune resistance of tumor microenvironment (TME) causes immune checkpoint blockade therapy inefficient to hepatocellular carcinoma (HCC). Emerging strategies of using chemotherapy regimens to reverse the immune resistance provide the promise for promoting the efficiency of immune checkpoint inhibitors. The induction of cyclic guanosine monophosphate-adenosine monophosphate synthase (cGAS)-stimulator of interferon genes (STING) in tumor cells evokes the adaptive immunity and remodels the immunosuppressive TME. In this study, we report that mitoxantrone (MIT, a chemotherapeutic drug) activates the cGAS-STING signaling pathway of HCC cells. We provide an approach to augment the efficacy of MIT using a signal transducer and activator of transcription 3 (STAT3) inhibitor called napabucasin (NAP). We prepare an aminoethyl anisamide (AEAA)-targeted polyethylene glycol (PEG)-modified poly (lactic-co-glycolic acid) (PLGA)-based nanocarrier for co-delivery of MIT and NAP. The resultant co-nanoformulation can elicit the cGAS-STING-based immune responses to reshape the immunoresistant TME in the mice orthotopically grafted with HCC. Consequently, the resultant co-nanoformulation can promote anti-PD-1 antibody for suppressing HCC development, generating long-term survival, and inhibiting tumor recurrence. This study reveals the potential of MIT to activate the cGAS-STING signaling pathway, and confirms the feasibility of nano co-delivery for MIT and NAP on achieving HCC chemo-immunotherapy.
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Affiliation(s)
- Lingzhi Wang
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, China
| | - Shengnan Bi
- Department of Pharmacy, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, 130021, China
| | - Zhuo Li
- Department of Pharmacy, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, 130021, China
| | - Anqi Liao
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, China
| | - Yutong Li
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, China
| | - Leilei Yang
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, China
| | - Xinyi Zhou
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, China
| | - Yuqiong Gao
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, China
| | - Xiaobo Liu
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, China
| | - Yifang Zou
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, China
| | - Xuemei Zhang
- Department of Hepatopathy, Shuguang Hospital, Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Jia Shi
- Department of Hepatopathy, Shuguang Hospital, Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Shihan Yu
- Department of Hepatopathy, Shuguang Hospital, Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Zhuo Yu
- Department of Hepatopathy, Shuguang Hospital, Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Jianfeng Guo
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, China.
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40
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Guo Z, Ge M, Ruan Z, Ma Y, Chen Y, Lin H. 2D Janus carrier-enabled trojan horse: Gallium delivery for the sequential therapy of biofilm associated infection. Biomaterials 2025; 313:122761. [PMID: 39241550 DOI: 10.1016/j.biomaterials.2024.122761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2024] [Revised: 08/10/2024] [Accepted: 08/16/2024] [Indexed: 09/09/2024]
Abstract
Biofilm-associated infections (BAIs) continue to pose a major challenge in the medical field. Nanomedicine, in particular, promises significant advances in combating BAIs through the introduction of a variety of nanomaterials and nano-antimicrobial strategies. However, studies to date have primarily focused on the removal of the bacterial biofilm and neglect the subsequent post-biofilm therapeutic measures for BAIs, rendering pure anti-biofilm strategies insufficient for the holistic recovery of affected patients. Herein, we construct an emerging dual-functional composite nanosheet (SiHx@Ga) that responds to pHs fluctuation in the biofilm microenvironment to enable a sequential therapy of BAIs. In the acidic environment of biofilm, SiHx@Ga employs the self-sensitized photothermal Trojan horse strategy to effectively impair the reactive oxygen species (ROS) defense system while triggering oxidative stress and lipid peroxidation of bacteria, engendering potent antibacterial and anti-biofilm effects. Surprisingly, in the post-treatment phase, SiHx@Ga adsorbs free pathogenic nucleic acids released after biofilm destruction, generates hydrogen with ROS-scavenging and promotes macrophage polarization to the M2 type, effectively mitigating damaging inflammatory burst and promoting tissue healing. This well-orchestrated strategy provides a sequential therapy of BAIs by utilizing microenvironmental variations, offering a conceptual paradigm shift in the field of nanomedicine anti-infectives.
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Affiliation(s)
- Zhao Guo
- Department of Orthopedic Surgery, Shanghai Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 600 Yishan Road, Shanghai, 200233, China
| | - Min Ge
- Department of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China.
| | - Zesong Ruan
- Department of Orthopedic Surgery, Shanghai Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 600 Yishan Road, Shanghai, 200233, China
| | - Yihong Ma
- Department of Orthopedic Surgery, Shanghai Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 600 Yishan Road, Shanghai, 200233, China
| | - Yunfeng Chen
- Department of Orthopedic Surgery, Shanghai Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 600 Yishan Road, Shanghai, 200233, China.
| | - Han Lin
- Shanghai Institute of Ceramics Chinese Academy of Sciences, Research Unit of Nanocatalytic Medicine in Specific Therapy for Serious Disease, Chinese Academy of Medical Sciences, Shanghai, 200050, China.
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41
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Yang M, Kim Y, Youn SY, Jeong H, Shirbhate ME, Uhm C, Kim G, Nam KT, Cha SS, Kim KM, Yoon J. Conversion of albumin into a BODIPY-like photosensitizer by a flick reaction, tumor accumulation and photodynamic therapy. Biomaterials 2025; 313:122792. [PMID: 39226652 DOI: 10.1016/j.biomaterials.2024.122792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 08/11/2024] [Accepted: 08/29/2024] [Indexed: 09/05/2024]
Abstract
The accumulation of photosensitizers (PSs) in lesion sites but not in other organs is an important challenge for efficient image guiding in photodynamic therapy. Cancer cells are known to express a significant number of albumin-binding proteins that take up albumin as a nutrient source. Here, we converted albumin to a novel BODIPY-like PS by generating a tetrahedral boron environment via a flick reaction. The formed albumin PS has almost the same 3-dimensional structural feature as free albumin because binding occurs at Sudlow Site 1, which is located in the interior space of albumin. An i.v. injection experiment in tumor-bearing mice demonstrated that the human serum albumin PS effectively accumulated in cancer tissue and, more surprisingly, albumin PS accumulated much more in the cancer tissue than in the liver and kidneys. The albumin PS was effective at killing tumor cells through the generation of reactive oxygen species under light irradiation. The crystal structure of the albumin PS was fully elucidated by X-ray crystallography; thus, further tuning of the structure will lead to novel physicochemical properties of the albumin PS, suggesting its potential in biological and clinical applications.
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Affiliation(s)
- Mengyao Yang
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, 03760, South Korea
| | - Yujin Kim
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, 03760, South Korea
| | - So-Yeon Youn
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, 03760, South Korea; TODD PHARM, Ewha Womans University, Seoul, 03760, South Korea
| | - Haengdueng Jeong
- Department of Biomedical Sciences, Brain Korea 21 PLUS Project for Medical Science, College of Medicine, Yonsei University, Seoul, 03760, South Korea
| | | | - Chanyang Uhm
- Department of Biomedical Sciences, Brain Korea 21 PLUS Project for Medical Science, College of Medicine, Yonsei University, Seoul, 03760, South Korea
| | - Gyoungmi Kim
- Research Center for Biomaterials, KYTECBIO, Ewhayeodae-gil 52, Seoul, 03760, South Korea
| | - Ki Taek Nam
- Department of Biomedical Sciences, Brain Korea 21 PLUS Project for Medical Science, College of Medicine, Yonsei University, Seoul, 03760, South Korea.
| | - Sun-Shin Cha
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, 03760, South Korea; TODD PHARM, Ewha Womans University, Seoul, 03760, South Korea.
| | - Kwan Mook Kim
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, 03760, South Korea.
| | - Juyoung Yoon
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, 03760, South Korea.
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Yang Z, Ren X, Li L, Zhang J, Yang X, Zhang Y, Whittaker AK, Yang B, Wang T, Lin Q. Trojan-horse inspired nanoblaster: X-ray triggered spot attack on radio-resistant cancer through radiodynamic therapy. Biomaterials 2025; 313:122814. [PMID: 39243672 DOI: 10.1016/j.biomaterials.2024.122814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 08/08/2024] [Accepted: 09/03/2024] [Indexed: 09/09/2024]
Abstract
Radiotherapy as a mainstay of in-depth cervical cancer (CC) treatment suffers from its radioresistance. Radiodynamic therapy (RDT) effectively reverses radio-resistance by generating reactive oxygen species (ROS) with deep tissue penetration. However, the photosensitizers stimulated by X-ray have high toxicity and energy attenuation. Therefore, X-ray responsive diselenide-bridged mesoporous silica nanoparticles (DMSNs) are designed, loading X-ray-activated photosensitizer acridine orange (AO) for spot blasting RDT like Trojan-horse against radio-resistance cervical cancer (R-CC). DMSNs can encapsulate a large amount of AO, in the tumor microenvironment (TME), which has a high concentration of hydrogen peroxide, X-ray radiation triggers the cleavage of diselenide bonds, leading to the degradation of DMSNs and the consequent release of AO directly at the tumor site. On the one hand, it solves the problems of rapid drug clearance, adverse distribution, and side effects caused by simple AO treatment. On the other hand, it fully utilizes the advantages of highly penetrating X-ray responsive RDT to enhance radiotherapy sensitivity. This approach results in ROS-induced mitochondria damage, inhibition of DNA damage repair, cell cycle arrest and promotion of cancer cell apoptosis in R-CC. The X-ray responsive DMSNs@AO hold considerable potential in overcoming obstacles for advanced RDT in the treatment of R-CC.
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Affiliation(s)
- Zhe Yang
- State Key Laboratory of Supramolecular Structure and Material, College of Chemistry, Jilin University, Changchun, 130012, China; Shandong Laboratory of Advanced Materials and Green Manufacturing at Yantai, Yantai, 264006, China
| | - Xiaojun Ren
- Department of Radiation Oncology, The Second Affiliated Hospital of Jilin University, Changchun, 130041, China
| | - Lei Li
- State Key Laboratory of Supramolecular Structure and Material, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Jun Zhang
- Department of Radiation Oncology, The Second Affiliated Hospital of Jilin University, Changchun, 130041, China
| | - Xinting Yang
- State Key Laboratory of Supramolecular Structure and Material, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Yuxuan Zhang
- Department of Radiation Oncology, The Second Affiliated Hospital of Jilin University, Changchun, 130041, China
| | - Andrew K Whittaker
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Bai Yang
- State Key Laboratory of Supramolecular Structure and Material, College of Chemistry, Jilin University, Changchun, 130012, China
| | - Tiejun Wang
- Department of Radiation Oncology, The Second Affiliated Hospital of Jilin University, Changchun, 130041, China.
| | - Quan Lin
- State Key Laboratory of Supramolecular Structure and Material, College of Chemistry, Jilin University, Changchun, 130012, China.
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Wang X, Sun K, Wang C, Yang M, Qian K, Ye B, Guo X, Shao Y, Chu C, Xue F, Li J, Bai J. Ultrasound-responsive microfibers promoted infected wound healing with neuro-vascularization by segmented sonodynamic therapy and electrical stimulation. Biomaterials 2025; 313:122803. [PMID: 39232334 DOI: 10.1016/j.biomaterials.2024.122803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 07/31/2024] [Accepted: 09/01/2024] [Indexed: 09/06/2024]
Abstract
Bacteria-infected wounds pose challenges to healing due to persistent infection and associated damage to nerves and vessels. Although sonodynamic therapy can help kill bacteria, it is limited by the residual oxidative stress, resulting in prolonged inflammation. To tackle these barriers, novel 4 octyl itaconate-coated Li-doped ZnO/PLLA piezoelectric composite microfibers are developed, offering a whole-course "targeted" treatment under ultrasound therapy. The inclusion of Li atoms causes the ZnO lattice distortion and increases the band gap, enhancing the piezoelectric and sonocatalytic properties of the composite microfibers, collaborated by an aligned PLLA conformation design. During the infection and inflammation stages, the piezoelectric microfibers exhibit spatiotemporal-dependent therapeutic effects, swiftly eliminating over 94.2 % of S. aureus within 15 min under sonodynamic therapy. Following this phase, the microfibers capture reactive oxygen species and aid macrophage reprogramming, restoring mitochondrial function, achieving homeostasis, and shortening inflammation cycles. As the wound progresses through the healing stages, bioactive Zn2+ and Li + ions are continuously released, improving cell recruitment, and the piezoelectrical stimulation enhances wound recovery with neuro-vascularization. Compared to commercially available dressings, our microfibers accelerate the closure of rat wounds (Φ = 15 mm) without scarring in 12 days. Overall, this "one stone, four birds" wound management strategy presents a promising avenue for infected wound therapy.
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Affiliation(s)
- Xianli Wang
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, 211189, Jiangsu, China; Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, 211189, Jiangsu, China; Department of Biomedical Engineering, College of Design and Engineering, National University of Singapore, Singapore, 119276, Singapore; Institute of Medical Devices (Suzhou), Southeast University, Suzhou, 215000, China
| | - Ke Sun
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, 211189, Jiangsu, China; Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, 211189, Jiangsu, China; Institute of Medical Devices (Suzhou), Southeast University, Suzhou, 215000, China
| | - Cheng Wang
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, 211189, Jiangsu, China; Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, 211189, Jiangsu, China; Institute of Medical Devices (Suzhou), Southeast University, Suzhou, 215000, China
| | - Mengmeng Yang
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, 211189, Jiangsu, China; Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, 211189, Jiangsu, China; Institute of Medical Devices (Suzhou), Southeast University, Suzhou, 215000, China
| | - Kun Qian
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, 211189, Jiangsu, China; Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, 211189, Jiangsu, China; Institute of Medical Devices (Suzhou), Southeast University, Suzhou, 215000, China
| | - Bing Ye
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China
| | - Xiaodong Guo
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, China
| | - Yi Shao
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, 211189, Jiangsu, China; Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, 211189, Jiangsu, China; Institute of Medical Devices (Suzhou), Southeast University, Suzhou, 215000, China
| | - Chenglin Chu
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, 211189, Jiangsu, China; Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, 211189, Jiangsu, China
| | - Feng Xue
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, 211189, Jiangsu, China; Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, 211189, Jiangsu, China
| | - Jun Li
- Department of Biomedical Engineering, College of Design and Engineering, National University of Singapore, Singapore, 119276, Singapore.
| | - Jing Bai
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, 211189, Jiangsu, China; Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, 211189, Jiangsu, China; Institute of Medical Devices (Suzhou), Southeast University, Suzhou, 215000, China.
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Liu S, Zhang X, Lin B, Mao J, Zhan J, Li Y, Zhou J, Wang N, Qiu W. Melastoma dodecandrum lour. Protects against cerebral ischemia-reperfusion injury by ameliorating oxidative stress and endoplasmic reticulum stress. JOURNAL OF ETHNOPHARMACOLOGY 2025; 336:118735. [PMID: 39182701 DOI: 10.1016/j.jep.2024.118735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2024] [Revised: 08/06/2024] [Accepted: 08/22/2024] [Indexed: 08/27/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Melastoma dodecandrum Lour. (MD), a traditional Chinese medicine used by the She ethnic group, has been used to treat cerebral ischemia-reperfusion (CIR) injury due to its efficacy in promoting blood circulation and removing blood stasiss; however, the therapeutic effects and mechanisms of MD in treating CIR injury remain unclear. AIM To investigate the protective effects of MD on CIR injury, in addition to its impact on oxidative stress, endoplasmic reticulum (ER) stress, and cell apoptosis. MATERIALS AND METHODS The research was conducted using both cell experiments and animal experiments. The CCK-8 method, immunofluorescence staining, and flow cytometry were used to analyze the effects of MD-containing serum on oxygen-glucose deprivation/reperfusion (OGD/R)-induced PC12 cell viability, reactive oxygen species (ROS) clearance, anti-inflammatory, neuroprotection and inhibition of apoptosis. Furthermore, 2,3,5-Triphenyl tetrazolium chloride staining, hematoxylin and eosin staining, Nissl staining, and immunohistochemistry were used to detect infarct size, pathological changes, Nissl corpuscula and neuronal protein expression in middle cerebral artery occlusion (MCAO) rats. Polymerase chain reaction and Western Blotting were conducted in cell and animal experiments to detect the expression levels of ER stress-related genes and proteins. RESULTS The MD extract enhanced the viability of PC12 cells under OGD/R modeling, reduced ROS and IL-6 levels, increased MBP levels, and inhibited cell apoptosis. Furthermore, MD improved the infarct area in MCAO rats, increased the number of Nissl bodies, and regulated neuronal protein levels including Microtubule-Associated Protein 2 (MAP-2), Myelin Basic Protein (MBP), Glial Fibrillary Acidic Protein (GFAP), and Neurofilament 200 (NF200). Additionally, MD could regulate the expression levels of oxidative stress proteins malondialdehyde (MDA), nitric oxide (NO), superoxide dismutase (SOD), and catalase (CAT). Both cell and animal experiments demonstrated that MD could inhibit ER stress-related proteins (GRP78, ATF4, ATF6, CHOP) and reduce cell apoptosis. CONCLUSION This study confirmed that the therapeutic mechanism of the MD extract on CIR injury was via the inhibition of oxidative stress and the ER stress pathway, in addition to the inhibition of apoptosis.
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Affiliation(s)
- Shuang Liu
- Department of Pharmacy, Lishui Hospital of Traditional Chinese Medicine, Lishui, Zhejiang, 323000, China.
| | - Xiaoqin Zhang
- Department of Pharmacy, Lishui Hospital of Traditional Chinese Medicine, Lishui, Zhejiang, 323000, China.
| | - Bingfeng Lin
- Department of Medicine, Zhejiang Academy of Traditional Chinese Medicine, Hangzhou, Zhejiang, 310007, China.
| | - Jiale Mao
- Department of Pharmacy, Lishui Hospital of Traditional Chinese Medicine, Lishui, Zhejiang, 323000, China.
| | - Jianhu Zhan
- Department of Pharmacy, Lishui Hospital of Traditional Chinese Medicine, Lishui, Zhejiang, 323000, China; Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310007, China.
| | - Yanyan Li
- Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China.
| | - Jiwang Zhou
- Department of Pharmacy, Lishui Hospital of Traditional Chinese Medicine, Lishui, Zhejiang, 323000, China.
| | - Nani Wang
- Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310007, China; Department of Medicine, Zhejiang Academy of Traditional Chinese Medicine, Hangzhou, Zhejiang, 310007, China.
| | - Weiwen Qiu
- Department of Pharmacy, Lishui Hospital of Traditional Chinese Medicine, Lishui, Zhejiang, 323000, China.
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Naseri B, Farsad-Akhtar N, Mardi A, Baghbani E, Bornedeli S, Asadi M, Shanehbandi D. lncRNA PVT1 silencing inhibits gastric cancer cells' progression via enhancing chemosensitivity to paclitaxel. Gene 2025; 932:148900. [PMID: 39209180 DOI: 10.1016/j.gene.2024.148900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Revised: 08/18/2024] [Accepted: 08/26/2024] [Indexed: 09/04/2024]
Abstract
Gastric cancer (GC) is one of the leading causes of cancer-related deaths worldwide because of its high morbidity and the absence of effective therapies. Even though paclitaxel is a powerful anticancer chemotherapy drug, recent studies have indicated its ineffectiveness against GC cells. Long non-coding RNA (lncRNA) PVT1 has a high expression in GC cells and increases the progression of tumors via inducing drug resistance. In the present study, the effects of the siRNA-mediated lncRNA PVT1 gene silencing along with paclitaxel treatment on the rate of apoptosis, growth, and migration of AGS GC cells were investigated. AGS cells were cultured and then transfected with siRNA PVT1 using electroporation. The MTT test was used to examine the effect of treatments on the viability of cultured cells. Furthermore, the flow cytometry method was used to evaluate the impact of treatments on the cell cycle process and apoptosis induction in GC cells. Finally, the mRNA expression of target genes was assessed using the qRT-PCR method. The results showed that lncRNA PVT1 gene suppression, along with paclitaxel treatment, reduces the viability of cancer cells and significantly increases the apoptosis rate of cancer cells and the number of cells arrested in the G2/M phase compared to the control group. Based on the results of qRT-PCR, combined treatment significantly decreased the expression of MMP3, MMP9, MDR1, MRP1, Bcl-2, k-Ras, and c-Myc genes and increased the expression of the Bax gene compared to the control group. The results of our study showed that lncRNA PVT1 gene targeting, together with paclitaxel treatment, induces apoptosis, inhibits growth, alleviates drug resistance, and reduces the migratory capability of GC cells. Therefore, there is a need for further investigations to evaluate the feasibility and effectiveness of this approach in vivo in animal models.
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Affiliation(s)
- Bahar Naseri
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Plant, Cell and Molecular Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Nader Farsad-Akhtar
- Department of Plant, Cell and Molecular Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran.
| | - Amirhossein Mardi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elham Baghbani
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soghra Bornedeli
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Milad Asadi
- Department of Basic Oncology, Health Institute of Ege University, Izmir, Turkey
| | - Dariush Shanehbandi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Das P, Saha S, Kumar Guha P, Kumar Bhunia A. Quantum dot-protein interface: Interaction of the CdS quantum dot with human hemoglobin for the study of the energy transfer process and binding mechanism along with detection of the unfolding of hemoglobin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2025; 324:124937. [PMID: 39137709 DOI: 10.1016/j.saa.2024.124937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 07/12/2024] [Accepted: 08/04/2024] [Indexed: 08/15/2024]
Abstract
In this study, the interaction of the human hemoglobin with cost effective and chemically fabricated CdS quantum dots (QDs) (average sizes ≈3nm) has been investigated. The semiconductor QDs showed maximum visible absorption at 445 nm with excitonic formation and band gap of ≈ 2.88 eV along with hexagonal crystalline phase. The binding of QDs-Hb occurs through corona formation to the ground sate complex formation. The life time of the heme pocket binding and reorganization were found to be t1 = 43 min and t2 = 642 min, respectively. The emission quenching of the Hb has been indicated large energy transfer between CdS QDs and Hb with tertiary deformation of Hb. The binding thermodynamics showed highly exothermic nature. The ultrafast decay during corona formation was studied from TCSPC. The results showed that the energy transfer efficiency increases with the increase of the QDs concentration and maximum ≈71.5 % energy transfer occurs and average ultrafast lifetime varies from 5.45 ns to1.51 ns. The deformation and unfolding of the secondary structure of Hb with changes of the α-helix (≈74 % to ≈51.07 %) and β-sheets (≈8.63 % to ≈10.25 %) have been observed from circular dichroism spectrum. The SAXS spectrum showed that the radius of gyration of CdS QDs-Hb bioconjugate increased (up to 23 ± 0.45 nm) with the increase of the concentration of QDs compare with pure Hb (11 ± 0.23 nm) and Hb becoming more unfolded.
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Affiliation(s)
- Priyanka Das
- Department of Physics, Vidyasagar University, Paschim Medinipur 721102, West Bengal, India
| | - Satyajit Saha
- Department of Physics, Vidyasagar University, Paschim Medinipur 721102, West Bengal, India
| | - Prasanta Kumar Guha
- Department of Electronics and Electrical Communication Engineering, Indian Institute of Technology Kharagpur, Paschim Medinipur, 721302, India; School of Nano Science and Technology, Indian Institute of Technology Kharagpur, Paschim Medinipur 721302, India
| | - Amit Kumar Bhunia
- Department of Physics, Government General Degree College Gopiballavpur-II, Jhargram 721517, India.
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Qiu X, Xu Q, Ge H, Gao X, Huang J, Zhang H, Wu X, Lin J. Label-free detection of kidney stones urine combined with SERS and multivariate statistical algorithm. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2025; 324:125020. [PMID: 39213834 DOI: 10.1016/j.saa.2024.125020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2024] [Revised: 07/30/2024] [Accepted: 08/20/2024] [Indexed: 09/04/2024]
Abstract
Kidney stones are a common urological disease with an increasing incidence worldwide. Traditional diagnostic methods for kidney stones are relatively complex and time-consuming, thus necessitating the development of a quicker and simpler diagnostic approach. This study investigates the clinical screening of kidney stones using Surface-Enhanced Raman Scattering (SERS) technology combined with multivariate statistical algorithms, comparing the classification performance of three algorithms (PCA-LDA, PCA-LR, PCA-SVM). Urine samples from 32 kidney stone patients, 30 patients with other urinary stones, and 36 healthy individuals were analyzed. SERS spectra data were collected in the range of 450-1800 cm-1 and analyzed. The results showed that the PCA-SVM algorithm had the highest classification accuracy, with 92.9 % for distinguishing kidney stone patients from healthy individuals and 92 % for distinguishing kidney stone patients from those with other urinary stones. In comparison, the classification accuracy of PCA-LR and PCA-LDA was slightly lower. The findings indicate that SERS combined with PCA-SVM demonstrates excellent performance in the clinical screening of kidney stones and has potential for practical clinical application. Future research can further optimize SERS technology and algorithms to enhance their stability and accuracy, and expand the sample size to verify their applicability across different populations. Overall, this study provides a new method for the rapid diagnosis of kidney stones, which is expected to play an important role in clinical diagnostics.
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Affiliation(s)
- Xinhao Qiu
- School of Opto-electronic and Communication Engineering, Xiamen University of Technology, Xiamen, Fujian, China
| | - Qingjiang Xu
- Department of Urology, Fuzhou University Affiliated Provincial Hospital, Fuzhou 350001, China; Provincial Clinical Medical Colleges of Fujian Medical University, Fuzhou 350001, China
| | - Houyang Ge
- School of Opto-electronic and Communication Engineering, Xiamen University of Technology, Xiamen, Fujian, China
| | - Xingen Gao
- School of Opto-electronic and Communication Engineering, Xiamen University of Technology, Xiamen, Fujian, China
| | - Junqi Huang
- School of Opto-electronic and Communication Engineering, Xiamen University of Technology, Xiamen, Fujian, China
| | - Hongyi Zhang
- School of Opto-electronic and Communication Engineering, Xiamen University of Technology, Xiamen, Fujian, China
| | - Xiang Wu
- Department of Urology, Fuzhou University Affiliated Provincial Hospital, Fuzhou 350001, China; Provincial Clinical Medical Colleges of Fujian Medical University, Fuzhou 350001, China.
| | - Juqiang Lin
- School of Opto-electronic and Communication Engineering, Xiamen University of Technology, Xiamen, Fujian, China.
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Wang Y, Chen S, Xu Z, Bao X, Dong Y, Li L, Shi Y, Wan S, Ye C. Smartphone-assisted detection of trace methyl orange in water by ratiometric nanosensors based on down/up-conversion luminescence. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2025; 324:125039. [PMID: 39197211 DOI: 10.1016/j.saa.2024.125039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 07/31/2024] [Accepted: 08/23/2024] [Indexed: 09/01/2024]
Abstract
A ratiometric nanosensor was developed for detecting methyl orange (MO) based on down/up-conversion luminescence achieved by a triplet-triplet annihilation upconversion luminescence (TTA-UCL) system. The probe, utilizing sensitizer and annihilator fluorophores encapsulated in nanomicelles, demonstrated high sensitivity and selectivity for MO detection. The energy transfer from UCL to MO endowed the sensor with responsive capabilities. The unaffected triplet-triplet energy transfer process maintained the phosphorescence signal constant, serving as a reference to construct the ratiometric sensor along with the UCL signal. Additionally, a smartphone-assisted colorimetric detection method was also developed based on the ratiometric sensor, enabling rapid and convenient detection of MO without the need for a spectrometer. The performance of the nanosensor in real water samples confirmed its potential for practical environmental applications.
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Affiliation(s)
- Yuyang Wang
- Research Center for Green Printing Nanophotonic Materials, Suzhou Key Laboratory for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Suzhou University of Science and Technology, 215009 Suzhou, China
| | - Shuoran Chen
- Research Center for Green Printing Nanophotonic Materials, Suzhou Key Laboratory for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Suzhou University of Science and Technology, 215009 Suzhou, China.
| | - Zongyi Xu
- Research Center for Green Printing Nanophotonic Materials, Suzhou Key Laboratory for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Suzhou University of Science and Technology, 215009 Suzhou, China
| | - Xiwei Bao
- Research Center for Green Printing Nanophotonic Materials, Suzhou Key Laboratory for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Suzhou University of Science and Technology, 215009 Suzhou, China
| | - Yuxiang Dong
- Research Center for Green Printing Nanophotonic Materials, Suzhou Key Laboratory for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Suzhou University of Science and Technology, 215009 Suzhou, China
| | - Lin Li
- Research Center for Green Printing Nanophotonic Materials, Suzhou Key Laboratory for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Suzhou University of Science and Technology, 215009 Suzhou, China
| | - Yizhong Shi
- Research Center for Green Printing Nanophotonic Materials, Suzhou Key Laboratory for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Suzhou University of Science and Technology, 215009 Suzhou, China
| | - Shigang Wan
- Research Center for Green Printing Nanophotonic Materials, Suzhou Key Laboratory for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Suzhou University of Science and Technology, 215009 Suzhou, China
| | - Changqing Ye
- Research Center for Green Printing Nanophotonic Materials, Suzhou Key Laboratory for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Suzhou University of Science and Technology, 215009 Suzhou, China.
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49
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Shi M, He Y, Li Y, Fan M, Huang H, Zhong X, Xu J, Wang R, Liu Y, Wang S, Luo Z, Huang Y. A self-powered theranostic DNA nanodevice for amplification of both intracellular microRNA imaging and photodynamic therapy. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2025; 324:124987. [PMID: 39163774 DOI: 10.1016/j.saa.2024.124987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 07/28/2024] [Accepted: 08/14/2024] [Indexed: 08/22/2024]
Abstract
While numerous methods exist for diagnosing tumors through the detection of miRNA within tumor cells, few can simultaneously achieve both tumor diagnosis and treatment. In this study, a novel graphene oxide (GO)-based DNA nanodevice (DND), initiated by miRNA, was developed for fluorescence signal amplification imaging and photodynamic therapy in tumor cells. After entering the cells, tumor-associated miRNA drives DND to Catalyzed hairpin self-assembly (CHA). The CHA reaction generated a multitude of DNA Y-type structures, resulting in a substantial amplification of Ce6 fluorescence release and the generation of numerous singlet oxygen (1O2) species induced by laser irradiation, consequently inducing cell apoptosis. In solution, DND exhibited high selectivity and sensitivity to miRNA-21, with a detection limit of 11.47 pM. Furthermore, DND discriminated between normal and tumor cells via fluorescence imaging and specifically generated O21 species in tumor cells upon laser irradiation, resulting in tumor cells apoptosis. The DND offer a new approach for the early diagnosis and timely treatment of malignant tumors.
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Affiliation(s)
- Ming Shi
- Department of Chemistry and Pharmacy, Guilin Normal College, Guilin, China
| | - Yifang He
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, China
| | - Yuanlin Li
- Guangxi Key Lab of Agricultural Resources Chemistry and Biotechnology, College of Chemistry and Food Science, Yulin Normal University, Yulin, China
| | - Mingzhu Fan
- Guangxi Key Lab of Agricultural Resources Chemistry and Biotechnology, College of Chemistry and Food Science, Yulin Normal University, Yulin, China
| | - Huakui Huang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, China
| | - Xiaohong Zhong
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, China
| | - Jiayao Xu
- Guangxi Key Lab of Agricultural Resources Chemistry and Biotechnology, College of Chemistry and Food Science, Yulin Normal University, Yulin, China.
| | - Rong Wang
- Guangxi Key Lab of Agricultural Resources Chemistry and Biotechnology, College of Chemistry and Food Science, Yulin Normal University, Yulin, China
| | - Yuhui Liu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, China
| | - Shulong Wang
- Guangxi Key Lab of Agricultural Resources Chemistry and Biotechnology, College of Chemistry and Food Science, Yulin Normal University, Yulin, China.
| | - Zhihui Luo
- Guangxi Key Lab of Agricultural Resources Chemistry and Biotechnology, College of Chemistry and Food Science, Yulin Normal University, Yulin, China
| | - Yong Huang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, China.
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Linh Truong H, Le TD, Lee J, Choi HK. Plasmon-mediated photocatalytic conversion in Au or Ag nanorod aggregates by surface-enhanced Raman spectroscopy. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2025; 324:124947. [PMID: 39163769 DOI: 10.1016/j.saa.2024.124947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2024] [Revised: 08/01/2024] [Accepted: 08/07/2024] [Indexed: 08/22/2024]
Abstract
Plasmonic nanoparticles (NPs) hold considerable potential as photocatalysts owing to their robust light-matter interactions across diverse electromagnetic wavelengths, which significantly influence the photophysical characteristics of the adjacent molecular entities. Despite the widespread use of noble-metal NPs in surface-enhanced Raman scattering (SERS) applications, little is known about the kinetics of nanoparticle aggregation and how it affects their configurations. This study investigates the plasmon-driven photochemical conversion of 4-nitrobenzenethiol (NBT) to 4,4'-dimercaptoazobenzene (DMAB) on Au and Ag nanorods (NRs) through SERS. Significantly, photoconversion phenomena were observed on Ag NRs but not on Au NRs upon laser excitation at 633 nm. Finite-difference time-domain simulations revealed the presence of stronger electromagnetic fields on Ag NRs than on Au NRs. The aspect ratios and gaps between individual NPs in dimer configurations were determined to elucidate their effects on electromagnetic fields. The Ag NR dimer with an end-to-end configuration, an aspect ratio of 3.3, and a 1-nm gap exhibited the highest enhancement factor of 1.05 × 1012. Our results demonstrate that the primary contribution from diverse configurations in NR aggregates is the end-to-end configuration. The proposed NP design with adjustable parameters is expected to advance research in plasmonics, sensing, and wireless communications. These findings also contribute to the understanding of plasmon-driven photochemical processes in metallic nanostructures.
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Affiliation(s)
- Hoai Linh Truong
- Department of Chemistry, Kunsan National University, Gunsan 54150, Republic of Korea
| | - Thi-Diem Le
- Department of Chemistry, Kunsan National University, Gunsan 54150, Republic of Korea
| | - Jiwon Lee
- Center for Sustainable Environment Research, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea.
| | - Han-Kyu Choi
- Department of Chemistry, Kunsan National University, Gunsan 54150, Republic of Korea.
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