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Şeker Ş, Lalegül-Ülker Ö, Elçin AE, Elçin YM. Regeneration of Volumetric Muscle Loss Using MSCs Encapsulated in PRP-Derived Fibrin Microbeads. Methods Mol Biol 2024. [PMID: 38578577 DOI: 10.1007/7651_2024_533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
Volumetric muscle loss (VML) is one of the major types of soft tissue injury frequently encountered worldwide. In case of VML, the endogenous regenerative capacity of the skeletal muscle tissue is usually not sufficient for complete healing of the damaged area resulting in permanent functional musculoskeletal impairment. Therefore, the development of new tissue engineering approaches that will enable functional skeletal muscle regeneration by overcoming the limitations of current clinical treatments for VML injuries has become a critical goal. Platelet-rich plasma (PRP) is an inexpensive and relatively effective blood product with a high concentration of platelets containing various growth factors and cytokines involved in wound healing and tissue regeneration. Due to its autologous nature, PRP has been a safe and widely used treatment option for various wound types for many years. Recently, PRP-based biomaterials have emerged as a promising approach to promote muscle tissue regeneration upon injury. This chapter describes the use of PRP-derived fibrin microbeads as a versatile encapsulation matrix for the localized delivery of mesenchymal stem cells and growth factors to treat VML using tissue engineering strategies.
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Albogami B. Ameliorative synergistic therapeutic effect of gallic acid and albendazole against Trichinella spiralis muscular phase infection and assessment of their effects on hepatic and cardiac tissues in male mice. Saudi J Biol Sci 2023; 30:103763. [PMID: 37609546 PMCID: PMC10440570 DOI: 10.1016/j.sjbs.2023.103763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/20/2023] [Accepted: 07/29/2023] [Indexed: 08/24/2023] Open
Abstract
Trichinellosis is a serious food-borne parasitic disease with serious community health effects, mainly causing muscle damage with no recent approved treatment. This study aimed to assess the therapeutic effect of gallic acid (GA) as a potent antioxidant against the encysted phase of Trichinella spiralis in male (BALB/c) mice alone or combined with albendazole (ALB) and to detect their synergistic effects on the histology and ultrastructure of skeletal and cardiac muscles and some biochemical blood analyses. Forty male mice were randomly divided into five groups (8 mice/group). 1st group: the negative control received only distilled water, 2nd group: the positive control (infected control group without treatment), 3rd group: infected group plus treatment with ALB (50 mg Kg-1 orally), and 4th group: infected group and then treated with GA (30 mg Kg-1 orally) and finally 5th infected group treated with a combination of both ALB and GA. Aspartate and Alanine aminotransferase, Lactate dehydrogenase, alkaline phosphatase, C-reactive protein, Interleukin-4 and Creatine kinase were used as biochemical markers of hepatic and cardiac toxicity and inflammation. Malondialdehyde level, catalase, superoxide dismutase, and glutathione peroxidase were evaluated in heart tissue homogenates beside histological and ultra-structural examination of heart and skeletal muscles beside parasitological analyses. Results showed that the reduction % of Trichinella sp. larvae g-1 in muscles of the group treated with the combination of GA and ALB showed overall reduction percentages. Oral administration of 30 mg kg1 of GA led to infection reduction of T. spiralis than ALB treated group. Both administration of ALB beside GA showed the best treatment group that resulted in high infection reduction besides amelioration of both biochemical markers and restoration of histological and ultrastructures to normal state. In conclusion, GA is highly effective against T. spiralis which could be a promising alternative antioxidant drug and the GA effect was higher in the case of combination with ALB. This experiment provides a basis for further exploration of potent activities of other antioxidants against different phases of T. spiralis and the reduction of any health hazards prospectively.
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Affiliation(s)
- Bander Albogami
- Biology Department, College of Sciences, Taif University, Taif 21944, Saudi Arabia
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Wu WT, Chang KV, Özçakar L. Polydeoxyribonucleotide injection in muscle atrophy/immobilization: does that ring a bell? ANNALS OF TRANSLATIONAL MEDICINE 2022; 10:1046. [PMID: 36330411 PMCID: PMC9622503 DOI: 10.21037/atm-22-4035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 08/31/2022] [Indexed: 08/30/2023]
Affiliation(s)
- Wei-Ting Wu
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei-Hu Branch, Taipei
- Department of Physical Medicine and Rehabilitation, National Taiwan University College of Medicine, Taipei
| | - Ke-Vin Chang
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei-Hu Branch, Taipei
- Department of Physical Medicine and Rehabilitation, National Taiwan University College of Medicine, Taipei
- Center for Regional Anesthesia and Pain Medicine, Wang-Fang Hospital, Taipei Medical University, Taipei
| | - Levent Özçakar
- Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, Turkey
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Eissa FMA, Eassa AHA, Zalat RS, Negm MS, Elmallawany MA. Potential therapeutic effect of platelet-rich plasma and albendazole on the muscular phase of experimental Trichinella spiralis infection. Food Waterborne Parasitol 2022; 28:e00180. [PMID: 36159633 PMCID: PMC9493052 DOI: 10.1016/j.fawpar.2022.e00180] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 09/03/2022] [Accepted: 09/09/2022] [Indexed: 11/15/2022] Open
Abstract
Trichinellosis is a food-borne parasitic infection causing muscle damage. This study aimed to detect the potential therapeutic effect of platelet-rich plasma (PRP) alone or in combination with albendazole (ALB) on the muscular phase of experimental Trichinella infection in rats. The study was conducted on 70 rats divided into four main groups: healthy non-infected non-treated rats, non-infected rats treated with PRP, infected untreated rats (seven rats in each group), and an infected group of 49 rats. The infected group was further subdivided based on the drug therapy received. The effects of drug therapy were evaluated using parasitological and histopathological analyses. The percent reduction in the number of Trichinella spiralis larvae per gram of muscle in the PRP-treated groups (one, two, and three doses) was 43.1%, 78.8%, and 86.1%, respectively. Groups treated with combined therapy of ALB & PRP (one, two, and three doses) showed overall reduction percentages of 87.7%, 90.9% and 95.2%, respectively. In contrast, the ALB-treated group showed a 69.4% reduction. All results of the abovementioned groups were statistically significant compared to the control-infected non-treated group. The findings of the histopathological analysis were consistent with the parasitological results. Groups receiving combined therapy showed the most significant improvement in terms of the degree of inflammation and fibrosis. It can be concluded that PRP has a modulatory effect on the pathology caused by T. spiralis larvae in the muscular phase of trichinellosis. To our knowledge, this is the first study to investigate the effect of PRP on the muscular phase of T. spiralis infection. PRP has a modulatory effect on the pathology caused by T. spiralis larvae on the muscular phase of trichinellosis. Two and three doses of PRP therapy showed a therapeutic effect in the muscular phase of trichinellosis. Albendazole treatment combined with PRP is a promising treatment option. A potential role of platelets in controlling Trichinella infections is identified.
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Affiliation(s)
- Fatma M A Eissa
- Department of Medical Parasitology, Faculty of Medicine, Cairo University, Egypt
| | - Ahmed H A Eassa
- Department of Medical Parasitology, Faculty of Medicine, Cairo University, Egypt
| | - Rabab S Zalat
- Department of Medical Parasitology, Theadore Bilharz Research Institute, Egypt
| | - Mohamed S Negm
- Department of Pathology, Faculty of Medicine, Cairo University, Egypt
| | - Marwa A Elmallawany
- Department of Medical Parasitology, Faculty of Medicine, Cairo University, Egypt
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Wang D, Li T, Xu Y, Yang X, He M, Zhang Z, Wu W, Yan Y. [Platelet-rich plasma alleviates myocardial ischemia-reperfusion injury in rats]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2021; 41:775-782. [PMID: 34134967 DOI: 10.12122/j.issn.1673-4254.2021.05.20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To investigate the protective effect of platelet-rich plasma (PRP) against acute myocardial ischemiareperfusion (IR) injury and the possible mechanism. OBJECTIVE Aortic blood samples were collected from 10 SD rats to prepare PRP, in which the concentrations of platelet-derived growth factor-BB (PDGF-BB) and transforming growth factor-β1 (TGF-β1) were measured. Cell models of IR injury were established in primary cultures of neonatal SD rat cardiomyocytes by exposing the cells to 3 h of hypoxia. The cells were then reoxygenated and co-cultured with 1%, 5%, 10%, and 20% volume of PRP for 12 h, and the changes in cell viability was assessed. Immunofluorescence staining of the cardiomyocytes was performed, and the cellular expression of AMPK and its phosphorylation level were detected. The effects of PRP on the proliferation and migration of rat aortic endothelial cells (RAOECs) were examined. In a SD rat model of myocardial IR injury, 100 μL of PRP (n= 20) or normal saline (n=20) was injected at 4 sites around the ligation site immediately after cardiac reperfusion. One day after the injection, 6 rats were selected from each group for TTC staining of the myocardial tissues and measurement of troponin Ⅰ content. One week later, the cardiac function of the remaining rats was assessed by echocardiography, and HE staining of the myocardial tissues was performed. The effect of PRP treatment for 24 h on polarization of M1 and M2 macrophages was also examined by flow cytometry in RAW264.7 cells after hypoxic exposure for 3 h. OBJECTIVE The concentrations of PDGF-BB and TGF-β1 were significantly higher in PRP than in whole blood. Addition of 1% volume of PRP significantly reduced death of the cardiomyocytes following reoxygenation, and this effect was closely related with the activation of AMPK. Treatment with PRP obviously promoted the proliferation and migration of RAOECs. In rat models of acute myocardial IR injury, injections of PRP significantly reduced the infarct size and troponin Ⅰ concentration as compared with saline injection (P < 0.001). One week after PRP injection, the rats showed significantly improved cardiac function with a lowered level of inflammatory response in comparison with the rats with saline injection. In RAW264.7 cells with hypoxic exposure, treatment with PRP obviously decreased the number of M1 macrophages and increase the number of M2 macrophages. OBJECTIVE PRP can improve acute myocardial IR injury in rats by phosphorylating AMPK and regulating macrophage polarization, which produces a protective immunomodulatory effect on the ischemic myocardial tissues.
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Affiliation(s)
- D Wang
- Department of Cardiology, Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510150, China.,Translational Research Centre of Regenerative Medicine and 3D Printing, Guangzhou Medical University, Guangzhou 510150, China.,State Key Laboratory of Organ Failure Research, Department of Pathophysiology, Guangzhou 510515, China
| | - T Li
- Department of Cardiology, Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510150, China.,State Key Laboratory of Organ Failure Research, Department of Pathophysiology, Guangzhou 510515, China.,Guangdong Provincial Key Laboratory for Shock and Microcirculation Research, Southern Medical University, Guangzhou 510515, China
| | - Y Xu
- Department of Cardiology, Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510150, China.,Guangdong Provincial Key Laboratory for Shock and Microcirculation Research, Southern Medical University, Guangzhou 510515, China
| | - X Yang
- Department of Cardiology, Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510150, China.,Guangdong Provincial Key Laboratory for Shock and Microcirculation Research, Southern Medical University, Guangzhou 510515, China
| | - M He
- State Key Laboratory of Organ Failure Research, Department of Pathophysiology, Guangzhou 510515, China
| | - Z Zhang
- Translational Research Centre of Regenerative Medicine and 3D Printing, Guangzhou Medical University, Guangzhou 510150, China
| | - W Wu
- Guangdong Provincial Key Laboratory for Shock and Microcirculation Research, Southern Medical University, Guangzhou 510515, China
| | - Y Yan
- Department of Cardiology, Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510150, China.,Translational Research Centre of Regenerative Medicine and 3D Printing, Guangzhou Medical University, Guangzhou 510150, China.,State Key Laboratory of Organ Failure Research, Department of Pathophysiology, Guangzhou 510515, China
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