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Elhessy HM, Habotta OA, Eldesoqui M, Elsaed WM, Soliman MFM, Sewilam HM, Elhassan YH, Lashine NH. Comparative neuroprotective effects of Cerebrolysin, dexamethasone, and ascorbic acid on sciatic nerve injury model: Behavioral and histopathological study. Front Neuroanat 2023; 17:1090738. [PMID: 36816518 PMCID: PMC9928760 DOI: 10.3389/fnana.2023.1090738] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 01/05/2023] [Indexed: 02/04/2023] Open
Abstract
Background The majority of the suggested experimental modalities for peripheral nerve injury (PNI) result in varying degrees of recovery in animal models; however, there are not many reliable clinical pharmacological treatment models available. To alleviate PNI complications, research on approaches to accelerate peripheral nerve regeneration is encouraged. Cerebrolysin, dexamethasone, and ascorbic acid (vitamin C) drug models were selected in our study because of their reported curative effects of different mechanisms of action. Methodology A total of 40 adult male albino rats were used in this study. Sciatic nerve crush injury was induced in 32 rats, which were divided equally into four groups (model, Cerebrolysin, dexamethasone, and vitamin C groups) and compared to the sham group (n = 8). The sciatic nerve sensory and motor function regeneration after crushing together with gastrocnemius muscle histopathological changes were evaluated by the sciatic function index, the hot plate test, gastrocnemius muscle mass ratio, and immune expression of S100 and apoptosis cascade (BAX, BCL2, and BAX/BCL2 ratio). Results Significant improvement of the behavioral status and histopathological assessment scores occurred after the use of Cerebrolysin (as a neurotrophic factor), dexamethasone (as an anti-inflammatory), and vitamin C (as an antioxidant). Despite these seemingly concomitant, robust behavioral and pathological changes, vitamin C appeared to have the best results among the three main outcome measures. There was a positive correlation between motor and sensory improvement and also between behavioral and histopathological changes, boosting the effectiveness, and implication of the sciatic function index as a mirror for changes occurring on the tissue level. Conclusion Vitamin C is a promising therapeutic in the treatment of PNI. The sciatic function index (SFI) test is a reliable accurate method for assessing sciatic nerve integrity after both partial disruption and regrowth.
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Affiliation(s)
- Heba M. Elhessy
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura, Egypt,*Correspondence: Heba M. Elhessy,
| | - Ola A. Habotta
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Mamdouh Eldesoqui
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura, Egypt,Department of Basic Medical Sciences, College of Medicine, Almaarefa University, Riyadh, Saudi Arabia
| | - Wael M. Elsaed
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Mona F. M. Soliman
- Department of Histology and Cell Biology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Haitham M. Sewilam
- Department of Histology and Cell Biology, Faculty of Medicine, Helwan University, Helwan, Egypt
| | - Y. H. Elhassan
- Department of Anatomy, College of Medicine, Taibah University, Medina, Saudi Arabia
| | - Nermeen H. Lashine
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
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Shaw P, Vanraes P, Kumar N, Bogaerts A. Possible Synergies of Nanomaterial-Assisted Tissue Regeneration in Plasma Medicine: Mechanisms and Safety Concerns. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3397. [PMID: 36234523 PMCID: PMC9565759 DOI: 10.3390/nano12193397] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/05/2022] [Accepted: 09/06/2022] [Indexed: 06/16/2023]
Abstract
Cold atmospheric plasma and nanomedicine originally emerged as individual domains, but are increasingly applied in combination with each other. Most research is performed in the context of cancer treatment, with only little focus yet on the possible synergies. Many questions remain on the potential of this promising hybrid technology, particularly regarding regenerative medicine and tissue engineering. In this perspective article, we therefore start from the fundamental mechanisms in the individual technologies, in order to envision possible synergies for wound healing and tissue recovery, as well as research strategies to discover and optimize them. Among these strategies, we demonstrate how cold plasmas and nanomaterials can enhance each other's strengths and overcome each other's limitations. The parallels with cancer research, biotechnology and plasma surface modification further serve as inspiration for the envisioned synergies in tissue regeneration. The discovery and optimization of synergies may also be realized based on a profound understanding of the underlying redox- and field-related biological processes. Finally, we emphasize the toxicity concerns in plasma and nanomedicine, which may be partly remediated by their combination, but also partly amplified. A widespread use of standardized protocols and materials is therefore strongly recommended, to ensure both a fast and safe clinical implementation.
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Affiliation(s)
- Priyanka Shaw
- Research Group PLASMANT, Department of Chemistry, University of Antwerp, 2610 Antwerp, Belgium
| | - Patrick Vanraes
- Research Group PLASMANT, Department of Chemistry, University of Antwerp, 2610 Antwerp, Belgium
| | - Naresh Kumar
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research, Guwahati 781125, Assam, India
| | - Annemie Bogaerts
- Research Group PLASMANT, Department of Chemistry, University of Antwerp, 2610 Antwerp, Belgium
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Non-thermal plasma directly accelerates neuronal proliferation by stimulating axon formation. Sci Rep 2022; 12:15868. [PMID: 36151253 PMCID: PMC9508269 DOI: 10.1038/s41598-022-20063-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 09/08/2022] [Indexed: 11/08/2022] Open
Abstract
Among the various methods, Non Thermal Plasma (NTP) has been recently introduced and is being studied to recover the damaged nerve. In the recent years, several studies have suggested that NTP accelerates nerve cell regeneration, but the mechanism remains unknown. This study evaluated the effect of NTP on neuronal proliferation in SH-SY5Y (Human neuroblastoma cells) cells differentiated by retinoic acid (RA) and investigated the mechanism by which NTP promotes cell proliferation. We analyzed the morphology of differentiated SH-SY5Y cells, and performed western blot analysis and reverse transcription polymerase chain reaction (RT-PCR). Immunofluorescence analysis was performed in an in vivo study by categorizing Wistar A rats into three groups: non-nerve damage (Non-ND), nerve damage (ND), and nerve damage + NTP treatment (ND + NTP). The cell morphology analysis revealed that the number of cells increased and axonal elongation progressed after NTP treatment. In addition, western blots indicated that tau expression increased significantly after NTP treatment. The RT-PCR results revealed that the expression of tau, wnt3a, and β-catenin increased after NTP treatment. The in vivo immunofluorescence assay showed that NTP increased the markers for tau and S100B while regulating the over-expression of MAP2 and GAP43. NTP treatment accelerated cell proliferation and regeneration of damaged neurons in differentiated SH-SY5Y cells. These results establish the fact of NTP as a noninvasive and effective treatment for nerve injury.
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Choi JH, Gu HJ, Park KH, Hwang DS, Kim GC. Anti-Cancer Activity of the Combinational Treatment of Noozone Cold Plasma with p-FAK Antibody-Conjugated Gold Nanoparticles in OSCC Xenograft Mice. Biomedicines 2022; 10:biomedicines10092259. [PMID: 36140360 PMCID: PMC9496586 DOI: 10.3390/biomedicines10092259] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/01/2022] [Accepted: 09/06/2022] [Indexed: 01/11/2023] Open
Abstract
Oral squamous cell cancer (OSCC) is the most common type of oral cancer (about 80–90% of cases) and various research is being done to cure the disease. This paper aims to verify whether treatment with no-ozone cold plasma (NCP), which is designed for safe usage of the plasma on oral cavities, in combination with gold nanoparticles conjugated with p-FAK antibody (p-FAK/GNP) can trigger the selective and instant killing of SCC-25 cells both in vitro and in vivo. When SCC25 and HaCaT cells are exposed to p-FAK/GNP+NCP, the instant cell death was observed only in SCC25 cells. Such p-FAK/GNP+NCP-mediated cell death was observed only when NCP was directly treated on SCC25 harboring p-FAK/GNP. During NCP treatment, the removal of charged particles from NCP using grounded electric mesh radically decreased the p-FAK/GNP+NCP-mediated cell death. This p-FAK/GNP+NCP-mediated selective cell death of OSCC was also observed in mice xenograft models using SCC25 cells. The mere treatment of p-FAK/GNP and NCP on the xenograft tumor slowly decreased the size of the tumor, and only about 50% of the tumor remained at the end of the experiment. On the other hand, 1 week of p-FAK/GNP+NCP treatment was enough to reduce half of the tumor size, and most of tumor tissue had vanished at the end. An analysis of isolated tissues showed that in the case of individual treatment with p-FAK/GNP or NCP, the cancer cell population was reduced due to apoptotic cell death. However, in the case of p-FAK/GNP+NCP, apoptotic cell death was unobserved, and most tissues were composed of collagen. Thus, this paper suggests the possibility of p-FAK/GNP+NCP as a new method for treating OSCC.
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Affiliation(s)
- Jeong-Hae Choi
- Corporate Affiliated Research Institute, Feagle Co., Ltd., Yangsan 50614, Korea
- Correspondence: (J.-H.C.); (G.-C.K.)
| | - Hee-Jin Gu
- Corporate Affiliated Research Institute, Feagle Co., Ltd., Yangsan 50614, Korea
| | - Kwang-Ha Park
- Corporate Affiliated Research Institute, Feagle Co., Ltd., Yangsan 50614, Korea
| | - Dae-Seok Hwang
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University, Yangsan 50612, Korea
| | - Gyoo-Cheon Kim
- Corporate Affiliated Research Institute, Feagle Co., Ltd., Yangsan 50614, Korea
- Department of Oral Anatomy and Cell Biology, School of Dentistry, Pusan National University, Yangsan 50612, Korea
- Correspondence: (J.-H.C.); (G.-C.K.)
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Liu Z, Tong H, Li J, Wang L, Fan X, Song H, Yang M, Wang H, Jiang X, Zhou X, Yuan H, Wang Y. Low-Stiffness Hydrogels Promote Peripheral Nerve Regeneration Through the Rapid Release of Exosomes. Front Bioeng Biotechnol 2022; 10:922570. [PMID: 35814007 PMCID: PMC9260118 DOI: 10.3389/fbioe.2022.922570] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 05/11/2022] [Indexed: 12/02/2022] Open
Abstract
A hydrogel system loaded with mesenchymal stem cell–derived exosome (MSC-Exos) is an attractive new tool for tissue regeneration. However, the effect of the stiffness of exosome-loaded hydrogels on tissue regeneration is unclear. Here, the role of exosome-loaded hydrogel stiffness, during the regeneration of injured nerves, was assessed in vivo. The results showed that the photocrosslinkable hyaluronic acid methacrylate hydrogel stiffness plays an important role in repairing nerve injury. Compared with the stiff hydrogels loaded with exosomes, soft hydrogels loaded with exosomes showed better repair of injured peripheral nerves. The soft hydrogel promoted nerve repair by quickly releasing exosomes to inhibit the infiltration of macrophages and the expression of the proinflammatory factors IL-1β and TNF-α in injured nerves. Our work revealed that exosome-loaded hydrogel stiffness plays an important role in tissue regeneration by regulating exosome release behavior and provided important clues for the clinical application of biological scaffold materials.
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Affiliation(s)
- Zhixiao Liu
- Department of Histology and Embryology, College of Basic Medicine, Shanghai, China
| | - Hua Tong
- Department of Anesthesiology, Changzheng Hospital, Shanghai, China
| | - Jian Li
- Department of Anesthesiology, Changzheng Hospital, Shanghai, China
| | - Ling Wang
- Department of Anesthesiology, Changzheng Hospital, Shanghai, China
| | - Xiaoyi Fan
- NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, China
| | - Honghao Song
- Department of Anesthesiology, Changzheng Hospital, Shanghai, China
| | - Mei Yang
- Department of Anesthesiology, Changzheng Hospital, Shanghai, China
| | - Haowei Wang
- Department of Anesthesiology, Changzheng Hospital, Shanghai, China
| | - Xin Jiang
- Department of Anesthesiology, Changzheng Hospital, Shanghai, China
| | - Xuhui Zhou
- Department of Orthopedics, Chang Zheng Hospital, Shanghai, China
| | - Hongbin Yuan
- Department of Anesthesiology, Changzheng Hospital, Shanghai, China
| | - Yue Wang
- Department of Histology and Embryology, College of Basic Medicine, Shanghai, China
- *Correspondence: Yue Wang,
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No-ozone cold plasma can kill oral pathogenic microbes in H 2O 2-dependent and independent manner. Sci Rep 2022; 12:7597. [PMID: 35534525 PMCID: PMC9085805 DOI: 10.1038/s41598-022-11665-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 04/25/2022] [Indexed: 01/05/2023] Open
Abstract
To apply the sterilisation effect of low-temperature plasma to the oral cavity, the issue of ozone from plasma must be addressed. In this study, a new technology for generating cold plasma with almost no ozone is developed and is named Nozone (no-ozone) Cold Plasma (NCP) technology. The antimicrobial efficacy of the NCP against four oral pathogens is tested, and its specific mechanism is elucidated. The treatment of NCP on oral pathogenic microbes on a solid medium generated a growth inhibition zone. When NCP is applied to oral pathogens in a liquid medium, the growth of microbes decreased by more than 105 colony forming units, and the bactericidal effect of NCP remained after the installation of dental tips. The bactericidal effect of NCP in the liquid medium is due to the increase in hydrogen peroxide levels in the medium. However, the bactericidal effect of NCP in the solid medium depends on the charged elements of the NCP. Furthermore, the surface bactericidal efficiency of the dental-tip-installed NCP is proportional to the pore size of the tips and inversely proportional to the length of the tips. Overall, we expect this NCP device to be widely used in dentistry in the near future.
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Lee ST, Jang YS, Kim UK, Kim HJ, Ryu MH, Kim GC, Hwang DS. Non-thermal plasma application enhances the recovery of transected sciatic nerves in rats. Exp Biol Med (Maywood) 2021; 246:1287-1296. [PMID: 33653158 PMCID: PMC8371309 DOI: 10.1177/1535370221996655] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 01/28/2021] [Indexed: 01/17/2023] Open
Abstract
This experimental research aimed to investigate the effects of non-thermal plasma on nerve regeneration after transected nerve damage using the sciatic nerve in Wistar albino (A) rats. The experiments were performed on 27 Wistar A rats. The rats underwent surgery for right sciatic nerve exposure and were divided into three groups (each group, n = 9) according to sciatic nerve transected injury (SNTI) and non-thermal plasma application: a non-nerve damage (non-ND) group, a only nerve damage without non-thermal plasma application (ND) group, and a nerve damage with non-thermal plasma application (ND + NTP) group. Subsequent to SNTI and immediate suture, non-thermal plasma was administered three times per week for eight weeks. Evaluation for functional recovery was performed using the static sciatic index measured over the full treatment period of eight weeks. The sciatic nerve specimens were obtained after euthanasia and third day from the last non-thermal plasma application. The sciatic nerve tissues were subjected to histological analysis. Behavior analysis presented that the ND + NTP group showed improved static sciatic index compared with the nerve damage group. Histopathological findings demonstrated that the ND + NTP group had more dense Schwann cells and well-established continuity of nerve fibers, greater than the nerve damage group. Immunohistochemistry showed that the ND + NTP group had increased levels of markers for microtubule-associated protein 2 (MAP2), tau, S100 calcium-binding protein B, and neurofilament-200 and regulated the overexpression of CD68 and MAP2. These results indicated that non-thermal plasma enhanced the motor function and restored the neuronal structure by accelerating myelination and axonal regeneration. Additionally, non-thermal plasma was confirmed to have a positive effect on the recovery of SNTI in rats.
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Affiliation(s)
- Sung-Tak Lee
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Kyungpook National University, Daegu 41940, Republic of Korea
| | - Yoon-Seo Jang
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University, Gyeongnam 50612, Republic of Korea
| | - Uk-Kyu Kim
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University, Gyeongnam 50612, Republic of Korea
| | - Hyung-Joon Kim
- Department of Oral Physiology, BK21 Plus Project and Institute of Translational Dental Sciences, School of Dentistry, Pusan National University, Gyeongnam 50612, Republic of Korea
| | - Mi-Heon Ryu
- Department of Oral Pathology, BK21 Plus Project, School of Dentistry, Pusan National University, Gyeongnam 50612, Republic of Korea
| | - Gyoo-Cheon Kim
- Department of Dental Anatomy, BK21 Plus Project, School of Dentistry, Pusan National University, Gyeongnam 50612, Republic of Korea
| | - Dae-Seok Hwang
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University, Gyeongnam 50612, Republic of Korea
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