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Wang S, He Q, Qu Y, Yin W, Zhao R, Wang X, Yang Y, Guo ZN. Emerging strategies for nerve repair and regeneration in ischemic stroke: neural stem cell therapy. Neural Regen Res 2024; 19:2430-2443. [PMID: 38526280 PMCID: PMC11090435 DOI: 10.4103/1673-5374.391313] [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: 07/19/2023] [Revised: 09/26/2023] [Accepted: 11/10/2023] [Indexed: 03/26/2024] Open
Abstract
Ischemic stroke is a major cause of mortality and disability worldwide, with limited treatment options available in clinical practice. The emergence of stem cell therapy has provided new hope to the field of stroke treatment via the restoration of brain neuron function. Exogenous neural stem cells are beneficial not only in cell replacement but also through the bystander effect. Neural stem cells regulate multiple physiological responses, including nerve repair, endogenous regeneration, immune function, and blood-brain barrier permeability, through the secretion of bioactive substances, including extracellular vesicles/exosomes. However, due to the complex microenvironment of ischemic cerebrovascular events and the low survival rate of neural stem cells following transplantation, limitations in the treatment effect remain unresolved. In this paper, we provide a detailed summary of the potential mechanisms of neural stem cell therapy for the treatment of ischemic stroke, review current neural stem cell therapeutic strategies and clinical trial results, and summarize the latest advancements in neural stem cell engineering to improve the survival rate of neural stem cells. We hope that this review could help provide insight into the therapeutic potential of neural stem cells and guide future scientific endeavors on neural stem cells.
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Affiliation(s)
- Siji Wang
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Qianyan He
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Yang Qu
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Wenjing Yin
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Ruoyu Zhao
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Xuyutian Wang
- Department of Breast Surgery, General Surgery Center, the First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Yi Yang
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun, Jilin Province, China
- Neuroscience Research Center, Department of Neurology, the First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Zhen-Ni Guo
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun, Jilin Province, China
- Neuroscience Research Center, Department of Neurology, the First Hospital of Jilin University, Changchun, Jilin Province, China
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Zhang T, Li X, Wu L, Su Y, Yang J, Zhu X, Li G. Enhanced cisplatin chemotherapy sensitivity by self-assembled nanoparticles with Olaparib. Front Bioeng Biotechnol 2024; 12:1364975. [PMID: 38415186 PMCID: PMC10898354 DOI: 10.3389/fbioe.2024.1364975] [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: 01/03/2024] [Accepted: 01/30/2024] [Indexed: 02/29/2024] Open
Abstract
Cisplatin (CDDP) is widely used as one kind of chemotherapy drugs in cancer treatment. It functions by interacting with DNA, leading to the DNA damage and subsequent cellular apoptosis. However, the presence of intracellular PARP1 diminishes the anticancer efficacy of CDDP by repairing DNA strands. Olaparib (OLA), a PARP inhibitor, enhances the accumulation of DNA damage by inhibiting its repair. Therefore, the combination of these two drugs enhances the sensitivity of CDDP chemotherapy, leading to improved therapeutic outcomes. Nevertheless, both drugs suffer from poor water solubility and limited tumor targeting capabilities. To address this challenge, we proposed the self-assembly of two drugs, CDDP and OLA, through hydrogen bonding to form stable and uniform nanoparticles. Self-assembled nanoparticles efficiently target tumor cells and selectively release CDDP and OLA within the acidic tumor microenvironment, capitalizing on their respective mechanisms of action for improved anticancer therapy. In vitro studies demonstrated that the CDDP-OLA NPs are significantly more effective than CDDP/OLA mixture and CDDP at penetrating cancer cells and suppressing their growth. In vivo studies revealed that the nanoparticles specifically accumulated at the tumor site and enhanced the therapeutic efficacy without obvious adverse effects. This approach holds great potential for enhancing the drugs' water solubility, tumor targeting, bioavailability, and synergistic anticancer effects while minimizing its toxic side effects.
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Affiliation(s)
- Tao Zhang
- Key Laboratory of Microecology-immune Regulatory Network and Related Diseases, School of Basic Medicine, Jiamusi University, Jiamusi, China
| | - Xiao Li
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Liang Wu
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, China
| | - Yue Su
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, China
| | - Jiapei Yang
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, China
| | - Xinyuan Zhu
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, China
| | - Guolin Li
- Key Laboratory of Microecology-immune Regulatory Network and Related Diseases, School of Basic Medicine, Jiamusi University, Jiamusi, China
- Department of Oral, Shanghai Eighth People’s Hospital, Xuhui Branch of Shanghai Sixth People’s Hospital, Shanghai, China
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Yun WS, Cho H, Jeon SI, Lim DK, Kim K. Fluorescence-Based Mono- and Multimodal Imaging for In Vivo Tracking of Mesenchymal Stem Cells. Biomolecules 2023; 13:1787. [PMID: 38136656 PMCID: PMC10742164 DOI: 10.3390/biom13121787] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/01/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023] Open
Abstract
The advancement of stem cell therapy has offered transformative therapeutic outcomes for a wide array of diseases over the past decades. Consequently, stem cell tracking has become significant in revealing the mechanisms of action and ensuring safe and effective treatments. Fluorescence stands out as a promising choice for stem cell tracking due to its myriad advantages, including high resolution, real-time monitoring, and multi-fluorescence detection. Furthermore, combining fluorescence with other tracking modalities-such as bioluminescence imaging (BLI), positron emission tomography (PET), photoacoustic (PA), computed tomography (CT), and magnetic resonance (MR)-can address the limitations of single fluorescence detection. This review initially introduces stem cell tracking using fluorescence imaging, detailing various labeling strategies such as green fluorescence protein (GFP) tagging, fluorescence dye labeling, and nanoparticle uptake. Subsequently, we present several combinations of strategies for efficient and precise detection.
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Affiliation(s)
- Wan Su Yun
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Republic of Korea; (W.S.Y.); (D.-K.L.)
| | - Hanhee Cho
- Graduate School of Pharmaceutical Sciences, College of Pharmacy, Ewha Woman’s University, Seoul 03760, Republic of Korea; (H.C.); (S.I.J.)
| | - Seong Ik Jeon
- Graduate School of Pharmaceutical Sciences, College of Pharmacy, Ewha Woman’s University, Seoul 03760, Republic of Korea; (H.C.); (S.I.J.)
| | - Dong-Kwon Lim
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Republic of Korea; (W.S.Y.); (D.-K.L.)
| | - Kwangmeyung Kim
- Graduate School of Pharmaceutical Sciences, College of Pharmacy, Ewha Woman’s University, Seoul 03760, Republic of Korea; (H.C.); (S.I.J.)
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Yang J, Wang Z, Deng Y, Zhang C, Shen X, He J, Hu L, Wang H. A wash-free fluorescent probe with a large Stokes shift for the identification of NAFL through tracing the change of lipid droplets. Org Biomol Chem 2023; 21:8767-8771. [PMID: 37877374 DOI: 10.1039/d3ob01410j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
As one of the important organelles in cells, lipid droplets (LDs) are involved in various physiological processes, especially affecting the occurrence and progression of non-alcoholic fatty liver (NAFL). Therefore, it is of great significance to develop LD-specific probes with excellent biocompatibility, deep penetration and bright fluorescence. Herein, a fluorescent probe LD-HWZ was designed and synthesized based on triphenylamine and the dicyanoisophorone group. It is found that probe LD-HWZ has a large Stokes shift (Δλ = 160 nm in DMSO) and exhibits bright fluorescence in a lipid environment. In addition, biological experiments showed that LD-HWZ can localize in lipid droplets, which can be used to detect the dynamic changes of LDs. Importantly, LD-HWZ has been successfully used to discriminate NAFL tissues from normal livers. The excellent properties of probe LD-HWZ in this work are expected to shed new light on the design of lipid droplet probes for the study of fatty liver diagnosis.
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Affiliation(s)
- Jing Yang
- Anhui Innovative Center for Drug Basic Research of Metabolic Diseases, Wannan Medical College, Wuhu 241002, China.
- School of Pharmacy, Wannan Medical College, Wuhu 241002, China
| | - Zhiyu Wang
- Anhui Innovative Center for Drug Basic Research of Metabolic Diseases, Wannan Medical College, Wuhu 241002, China.
- School of Pharmacy, Wannan Medical College, Wuhu 241002, China
| | - Yi Deng
- Anhui Innovative Center for Drug Basic Research of Metabolic Diseases, Wannan Medical College, Wuhu 241002, China.
- School of Pharmacy, Wannan Medical College, Wuhu 241002, China
| | - Cuifeng Zhang
- School of Anesthesiology, Wannan Medical College, Wuhu 241002, China
| | - Xuebin Shen
- Anhui Innovative Center for Drug Basic Research of Metabolic Diseases, Wannan Medical College, Wuhu 241002, China.
- School of Pharmacy, Wannan Medical College, Wuhu 241002, China
| | - Jing He
- Department of Medical Biology, Wannan Medical College, Wuhu 241002, China
| | - Lei Hu
- Anhui Innovative Center for Drug Basic Research of Metabolic Diseases, Wannan Medical College, Wuhu 241002, China.
- School of Pharmacy, Wannan Medical College, Wuhu 241002, China
| | - Hui Wang
- Anhui Innovative Center for Drug Basic Research of Metabolic Diseases, Wannan Medical College, Wuhu 241002, China.
- School of Pharmacy, Wannan Medical College, Wuhu 241002, China
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