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Khalaf R, Duarte Bateman D, Reyes J, Najafali D, Rampazzo A, Bassiri Gharb B. Systematic review of pathologic markers in skin ischemia with and without reperfusion injury in microsurgical reconstruction: Biomarker alterations precede histological structure changes. Microsurgery 2024; 44:e31141. [PMID: 38361264 DOI: 10.1002/micr.31141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 11/05/2023] [Accepted: 12/27/2023] [Indexed: 02/17/2024]
Abstract
BACKGROUND Ischemia and ischemia-reperfusion injury contribute to partial or complete flap necrosis. Traditionally, skin histology has been used to evaluate morphological and structural changes, however histology does not detect early changes. We hypothesize that morphological and structural skin changes in response to ischemia and IRI occur late, and modification of gene and protein expression are the earliest changes in ischemia and IRI. METHODS A systematic review was performed in accordance with PRISMA guidelines. Studies reporting skin histology or gene/protein expression changes following ischemia with or without reperfusion injury published between 2002 and 2022 were included. The primary outcomes were descriptive and semi-quantitative histological structural changes, leukocyte infiltration, edema, vessel density; secondary outcomes were quantitative gene and protein expression intensity (PCR and western blot). Model type, experimental intervention, ischemia method and duration, reperfusion duration, biopsy location and time point were collected. RESULTS One hundred and one articles were included. Hematoxylin and eosin (H&E) showed inflammatory infiltration in early responses (12-24 h), with structural modifications (3-14 days) and neovascularization (5-14 days) as delayed responses. Immunohistochemistry (IHC) identified angiogenesis (CD31, CD34), apoptosis (TUNEL, caspase-3, Bax/Bcl-2), and protein localization (NF-κB). Gene (PCR) and protein expression (western blot) detected inflammation and apoptosis; endoplasmic reticulum stress/oxidative stress and hypoxia; and neovascularization. The most common markers were TNF-α, IL-6 and IL-1β (inflammation), caspase-3 (apoptosis), VEGF (neovascularization), and HIF-1α (hypoxia). CONCLUSION There is no consensus or standard for reporting skin injury during ischemia and IRI. H&E histology is most frequently performed but is primarily descriptive and lacks sensitivity for early skin injury. Immunohistochemistry and gene/protein expression reveal immediate and quantitative cellular responses to skin ischemia and IRI. Future research is needed towards a universally-accepted skin injury scoring system.
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Affiliation(s)
- Ryan Khalaf
- Department of Plastic Surgery, Cleveland Clinic, Cleveland, Ohio, USA
| | | | - Jose Reyes
- Department of Plastic Surgery, Cleveland Clinic, Cleveland, Ohio, USA
| | - Daniel Najafali
- Department of Plastic Surgery, Cleveland Clinic, Cleveland, Ohio, USA
| | - Antonio Rampazzo
- Department of Plastic Surgery, Cleveland Clinic, Cleveland, Ohio, USA
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2
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Jiang X, Yang J, Lin Y, Liu F, Tao J, Zhang W, Xu J, Zhang M. Extracellular vesicles derived from human ESC-MSCs target macrophage and promote anti-inflammation process, angiogenesis, and functional recovery in ACS-induced severe skeletal muscle injury. Stem Cell Res Ther 2023; 14:331. [PMID: 37964317 PMCID: PMC10647154 DOI: 10.1186/s13287-023-03530-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 10/09/2023] [Indexed: 11/16/2023] Open
Abstract
BACKGROUND Acute compartment syndrome (ACS) is one of the most common complications of musculoskeletal injury, leading to the necrosis and demise of skeletal muscle cells. Our previous study showed that embryonic stem cells-derived mesenchymal stem cells (ESC-MSCs) are novel therapeutics in ACS treatment. As extracellular vesicles (EVs) are rapidly gaining attention as cell-free therapeutics that have advantages over parental stem cells, the therapeutic potential and mechanisms of EVs from ESC-MSCs on ACS need to be explored. METHOD In the present study, we examined the protective effects in the experimental ACS rat model and investigated the role of macrophages in mediating these effects. Next, we used transcriptome sequencing to explore the mechanisms by which ESC-MSC-EVs regulate macrophage polarization. Furthermore, miRNA sequencing was performed on ESC-MSC-EVs to identify miRNA candidates associated with macrophage polarization. RESULTS We found that intravenous administration of ESC-MSC-EVs, given at the time of fasciotomy, significantly promotes the anti-inflammation process, angiogenesis, and functional recovery of muscle in ACS. The beneficial effects were associated with ESC-MSC-EVs affecting macrophage polarization by delivering various miRNAs which regulate NF-κB, JAK/STAT, and PI3K/AKT pathways. Our data further illustrate that ESC-MSC-EVs mainly modulate macrophage polarization via the miR-21/PTEN, miR-320a/PTEN, miR-423/NLRP3, miR-100/mTOR, and miR-26a/TLR3 axes. CONCLUSION Together, our results demonstrated the beneficial effects of ESC-MSC-EVs in ACS, wherein the miRNAs present in ESC-MSC-EVs regulate the polarization of macrophages.
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Affiliation(s)
- Xiangkang Jiang
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, 310009, Zhejiang Province, China
- Key Laboratory of the Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou, China
- Zhejiang Provincial Clinical Research Center for Emergency and Critical Care Medicine, Hangzhou, China
| | - Jingyuan Yang
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, 310009, Zhejiang Province, China
- Key Laboratory of the Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou, China
- Zhejiang Provincial Clinical Research Center for Emergency and Critical Care Medicine, Hangzhou, China
| | - Yao Lin
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, 310009, Zhejiang Province, China
- Key Laboratory of the Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou, China
- Zhejiang Provincial Clinical Research Center for Emergency and Critical Care Medicine, Hangzhou, China
| | - Fei Liu
- Department of Emergency Medicine, Nanjing Drum Tower Hospital, Medical School, Nanjing University, Nanjing, China
| | - Jiawei Tao
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, 310009, Zhejiang Province, China
- Key Laboratory of the Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou, China
- Zhejiang Provincial Clinical Research Center for Emergency and Critical Care Medicine, Hangzhou, China
| | - Wenbin Zhang
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, 310009, Zhejiang Province, China
- Key Laboratory of the Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou, China
- Zhejiang Provincial Clinical Research Center for Emergency and Critical Care Medicine, Hangzhou, China
| | - Jiefeng Xu
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, 310009, Zhejiang Province, China.
- Key Laboratory of the Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou, China.
- Zhejiang Provincial Clinical Research Center for Emergency and Critical Care Medicine, Hangzhou, China.
| | - Mao Zhang
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, 310009, Zhejiang Province, China.
- Key Laboratory of the Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou, China.
- Zhejiang Provincial Clinical Research Center for Emergency and Critical Care Medicine, Hangzhou, China.
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3
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de Carvalho EG, Corsini W, Hermes TDA. Severe muscle damage after a short period of ischemia and reperfusion in an animal model. Surgery 2023:S0039-6060(23)00226-X. [PMID: 37210237 DOI: 10.1016/j.surg.2023.04.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 03/23/2023] [Accepted: 04/20/2023] [Indexed: 05/22/2023]
Abstract
BACKGROUND Skeletal muscle ischemia-reperfusion injuries result in a loss of contractile function, leading to limb disability or amputation. Ischemia causes hypoxia and cellular energy failure, which is aggravated by reperfusion due to the inflammatory response and oxidative stress. The consequences of the injury vary according to the duration of the period of ischemia and reperfusion. Therefore, the present work aims to evaluate ischemia-reperfusion injuries induced in the skeletal muscles of Wistar rats submitted to 3 different application periods based on morphological and biochemical parameters. METHODS For this, a tourniquet was applied to the root of the animals' hind limbs, occluding arterial and venous blood flow, and it was followed by reperfusion-the removal of the tourniquet. The groups were: control (without tourniquet); I30'/R60' (30 minutes of ischemia and 1 hour of reperfusion); I120'/R120' (2 hours and 2 hours); and I180'/R180' (3 hours and 3 hours). RESULTS All ischemia-reperfusion groups showed characteristics of muscle injury. Microscopic analyses of the extensor digitorum longus, soleus, tibialis anterior, and gastrocnemius muscles showed a significant increase in the number of injured muscle fibers in the ischemia-reperfusion groups compared to the control group. There were also significant differences between the ischemia-reperfusion groups in all muscles, showing a progressive increase in the degree of injury. The quantification of the number of injured muscle fibers between the muscles revealed that at I30'/R60', the soleus muscles had a higher number of injuries in relation to the other muscles, with statistical significance. In the I120'/R120' group, the gastrocnemius muscles presented a significantly greater number of injured fibers. There were no significant differences in the I180'/R180' group. The serum levels of creatine kinase in the I180'/R180' group were significantly higher than in the control and I30'/R60' groups. CONCLUSIONS Therefore, it was evident that the 3 ischemia-reperfusion models used were capable of causing cell damage, with these findings being more pronounced in the I180'/R180' group.
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Affiliation(s)
- Enzo Gallo de Carvalho
- Departament of Anatomy, Institute of Biomedical Sciences, Federal University of Alfenas (UNIFAL-MG), Brazil; Faculty of Medicine, Federal University of Alfenas (UNIFAL-MG), Brazil
| | - Wagner Corsini
- Departament of Anatomy, Institute of Biomedical Sciences, Federal University of Alfenas (UNIFAL-MG), Brazil
| | - Túlio de Almeida Hermes
- Departament of Anatomy, Institute of Biomedical Sciences, Federal University of Alfenas (UNIFAL-MG), Brazil.
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Development and Validation of a Multiparametric Semiquantitative Scoring System for the Histopathological Assessment of Ischaemia Severity in Skeletal Muscle. J Tissue Eng Regen Med 2023. [DOI: 10.1155/2023/5592455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
Abstract
Skeletal muscle is one of the most abundant and dynamic tissues of the body, with a strong regenerative capacity. Muscle injuries can occur as a result of a variety of events, including tissue ischaemia. Lower limb ischaemia occurs when there is an insufficient nutrient and oxygen supply, often caused by stenosis of the arteries due to atherosclerosis. The aim of this study was to develop and validate a multiparametric scoring tool for assessing ischaemia severity in skeletal muscle in a commonly used preclinical animal model. Tissue ischaemia was surgically induced in mice by ligation and excision of the femoral artery. Calf muscles were carefully dissected, prepared for histological analysis, and scored for inflammation, fibrosis, necrosis, adipocyte infiltration, and muscle fibre degeneration/regeneration. Kendall’s coefficient of concordance (W) showed a very good agreement between the appraisers when scoring each individual histological feature: inflammation (W = 0.92,
), fibrosis (W = 0.94,
), necrosis (W = 0.77,
), adipocyte infiltration (W = 0.91,
), and fibre degeneration/regeneration (W = 0.86,
). Intrarater agreement was also excellent (W = 0.94 or more,
). There was a statistically significant negative association between the level of muscle ischaemia damage and the calf muscle weight and skeletal muscle fibre diameter. Here, we have developed and validated a new multiparametric, semiquantitative scoring system for assessing skeletal muscle damage due to ischaemia, with excellent inter- and intrarater reproducibility. This scoring system can be used for assessing treatment efficacy in preclinical models of hind limb ischaemia.
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Meyers A, Pandey S, Kopparthy V, Sadeghi P, Clark RC, Figueroa B, Dasarathy S, Brunengraber H, Papay F, Rampazzo A, Bassiri Gharb B. Weight gain is an early indicator of injury in ex vivo normothermic limb perfusion (EVNLP). Artif Organs 2023; 47:290-301. [PMID: 36305734 PMCID: PMC10100395 DOI: 10.1111/aor.14442] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/25/2022] [Accepted: 10/11/2022] [Indexed: 02/03/2023]
Abstract
PURPOSE There are no established criteria for discontinuing ex vivo normothermic limb perfusion (EVNLP) before irreversible damage occurs. This study evaluates weight gain as an indicator of injury during EVNLP. METHODS Sixteen Yorkshire pig forelimbs were procured and preserved using EVNLP with a hemoglobin-based oxygen carrier (HBOC-201) or static cold storage. EVNLP continued until termination criteria were met: arterial pressure ≥ 115 mm Hg, compartment pressure > 30 mm Hg, or 20% reduction of oxygen saturation. Limb weight, contractility, hemodynamics, perfusate electrolytes, metabolites and gases were recorded. Muscles were biopsied 6-h, and muscle injury scores (MIS) calculated. Forearm compartment pressures and indocyanine green (ICG) angiography were recorded at endpoint. Outcomes were compared at 2%, 5%, 10%, and 20% limb weight gain. RESULTS EVNLP lasted 20 ± 3 h. Weight gain was observed after 13 ± 5 h (2%), 15 ± 6 h (5%), 16 ± 6 h (10%), and 19 ± 4 h (20%). Weight correlated positively with MIS (ρ = 0.92, p < 0.0001), potassium (ρ = -1.00, p < 0.0001), pressure (ρ = 0.78, p < 0.0001), and negatively with contractility (ρ = -0.96, p = 0.011). At 5% weight gain, MIS (p < 0.0001), potassium (p = 0.03), and lactate (p < 0.0001) were significantly higher than baseline. Median muscle contractility was 5 [3-5] at 2% weight gain, 4 [1-5] at 5%, 3 [0-4] and 2 [0-2] at 10% and 20%, respectively. At 20% weight gain, contractility was significantly lower than baseline (p = 0.003). Percent weight gain correlated negatively with endpoint ICG hoof fluorescence (r = -0.712, p = 0.047). CONCLUSIONS Weight gain correlated with microscopic muscle injury and was the earliest evidence of limb dysfunction. Weight gain may serve as a criterion for discontinuation of EVNLP.
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Affiliation(s)
- Abigail Meyers
- Department of Plastic Surgery, Cleveland Clinic, Cleveland, Ohio, USA
| | - Sonia Pandey
- Department of Plastic Surgery, Cleveland Clinic, Cleveland, Ohio, USA
| | - Varun Kopparthy
- Department of Plastic Surgery, Cleveland Clinic, Cleveland, Ohio, USA
| | - Payam Sadeghi
- Department of Plastic Surgery, Cleveland Clinic, Cleveland, Ohio, USA
| | | | - Brian Figueroa
- Department of Plastic Surgery, Cleveland Clinic, Cleveland, Ohio, USA
| | - Srinivasan Dasarathy
- Department of Gastroenterology, Hepatology, Pathobiology, Cleveland Clinic, Cleveland, Ohio, USA
| | - Henri Brunengraber
- Department of Nutrition and Biochemistry, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
| | - Francis Papay
- Department of Plastic Surgery, Cleveland Clinic, Cleveland, Ohio, USA
| | - Antonio Rampazzo
- Department of Plastic Surgery, Cleveland Clinic, Cleveland, Ohio, USA
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The Prevention of Ischemia-Reperfusion Injury in Elderly Rats after Lower Limb Tourniquet Use. Antioxidants (Basel) 2022; 11:antiox11101936. [PMID: 36290659 PMCID: PMC9598579 DOI: 10.3390/antiox11101936] [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: 09/05/2022] [Revised: 09/21/2022] [Accepted: 09/26/2022] [Indexed: 11/29/2022] Open
Abstract
Background: Lower limb ischemia-reperfusion injury (IRI-LL) is a common major complication of orthopedic surgery, especially in elderly patients. It has previously been demonstrated that folinic acid (FA) reduced IRI-LL damage in 3−4-month-old rats. This current work analyses the effect of FA in the prevention of IRI-LL in elderly animals. Methods: Forty-two 18-month-old male WAG/RijHsd rats were subjected to 3 h of ischemia. Eighteen animals received FA (2.5 mg/kg, ip) 20 min before the end of the ischemia period, while the other half received the same volume of saline solution. The animals were sacrificed after 3 h, 24 h, and 14 days of reperfusion for biochemical (tissue damage markers and electrolytes), histopathological studies of the gastrocnemius muscle and the daily assessment of the limb function by the Rota Rod test, respectively. Results: The administration of FA prior to the end of the ischemia period reduced the increase in LDH and CK observed in non-treated animals by 30−40% (p < 0.0001). When the histological sections were analyzed, FA was found to have reduced the number of damaged muscle fibers per field by 20% (60 ± 17.1 vs. 80.7 ± 16.4, p < 0.0001). The functional test revealed that FA also led to an improvement in the muscle function, assessed by the length of time that the animals kept running on the rod, compared to untreated animals. Conclusions: The administration of FA, prior to the end of the ischemic period, decreases the damage induced by IRI-LL, also achieving a faster recovery of mobility.
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7
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Deng P, Qiu S, Liao F, Jiang Y, Zheng C, Zhu Q. Contusion concomitant with ischemia injury aggravates skeletal muscle necrosis and hinders muscle functional recovery. Exp Biol Med (Maywood) 2022; 247:1577-1590. [PMID: 35775612 PMCID: PMC9554171 DOI: 10.1177/15353702221102376] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Contusion concomitant with ischemia injury to skeletal muscles is common in civilian and battlefield trauma. Despite their clinical importance, few experimental studies on these injuries are reported. The present study established a rat skeletal muscle contusion concomitant with ischemia injury model to identify skeletal muscle alterations compared with contusion injury or ischemia injury. Macroscopic and microscopic morphological evaluation showed that contusion concomitant with ischemia injury aggravated muscle edema and hematoxylin-eosin (HE) injury score at 24 h postinjury. Serum creatine kinase (CK) and lactate dehydrogenase (LDH) levels, together with gastrocnemius muscle (GM) tumor necrosis factor-alpha (TNF-α) content elevated at 24 h postinjury too. During the 28-day follow-up, electrophysiological and contractile impairment was more severe in the contusion concomitant with ischemia injury group. In addition, contusion concomitant with ischemia injury decreased the percentage of larger (600-3000 μm2) fibers and increased the fibrotic area and collagen I proportion in the GM. Smaller proportions of Pax7+ and MyoD+ satellite cells (SCs) were observed in the contusion concomitant with ischemia injury group at 7 days postinjury. In conclusion, contusion concomitant with ischemia injury to skeletal muscle not only aggravates early muscle fiber necrosis but also hinders muscle functional recovery by impairing SC differentiation and exacerbating fibrosis during skeletal muscle repair.
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Affiliation(s)
- Peijun Deng
- Department of Microsurgery, Orthopedic Trauma and Hand Surgery, First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China,Guangdong Province Engineering Laboratory for Soft Tissue Biofabrication, Guangzhou 510080, China,Guangdong Provincial Peripheral Nerve Tissue Engineering and Technology Research Center, Guangzhou 510080, China,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou 510080, China
| | - Shuai Qiu
- Department of Microsurgery, Orthopedic Trauma and Hand Surgery, First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China,Guangdong Province Engineering Laboratory for Soft Tissue Biofabrication, Guangzhou 510080, China,Guangdong Provincial Peripheral Nerve Tissue Engineering and Technology Research Center, Guangzhou 510080, China,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou 510080, China
| | - Fawei Liao
- Department of Microsurgery, Orthopedic Trauma and Hand Surgery, First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China,Guangdong Province Engineering Laboratory for Soft Tissue Biofabrication, Guangzhou 510080, China,Guangdong Provincial Peripheral Nerve Tissue Engineering and Technology Research Center, Guangzhou 510080, China,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou 510080, China
| | - Yifei Jiang
- Department of Microsurgery, Orthopedic Trauma and Hand Surgery, First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China,Guangdong Province Engineering Laboratory for Soft Tissue Biofabrication, Guangzhou 510080, China,Guangdong Provincial Peripheral Nerve Tissue Engineering and Technology Research Center, Guangzhou 510080, China,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou 510080, China
| | - Canbin Zheng
- Department of Microsurgery, Orthopedic Trauma and Hand Surgery, First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China,Guangdong Province Engineering Laboratory for Soft Tissue Biofabrication, Guangzhou 510080, China,Guangdong Provincial Peripheral Nerve Tissue Engineering and Technology Research Center, Guangzhou 510080, China,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou 510080, China
| | - Qingtang Zhu
- Department of Microsurgery, Orthopedic Trauma and Hand Surgery, First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China,Guangdong Province Engineering Laboratory for Soft Tissue Biofabrication, Guangzhou 510080, China,Guangdong Provincial Peripheral Nerve Tissue Engineering and Technology Research Center, Guangzhou 510080, China,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou 510080, China,Qingtang Zhu.
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Jiang X, Yang J, Liu F, Tao J, Xu J, Zhang M. Embryonic stem cell-derived mesenchymal stem cells alleviate skeletal muscle injury induced by acute compartment syndrome. Stem Cell Res Ther 2022; 13:313. [PMID: 35841081 PMCID: PMC9284828 DOI: 10.1186/s13287-022-03000-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 05/14/2022] [Indexed: 11/10/2022] Open
Abstract
Background Acute compartment syndrome (ACS), a well-known complication of musculoskeletal injury, results in muscle necrosis and cell death. Embryonic stem cell-derived mesenchymal stem cells (ESC-MSCs) have been shown to be a promising therapy for ACS. However, their effectiveness and potentially protective mechanism remain unknown. The present study was designed to investigate the efficacy and underlying mechanism of ESC-MSCs in ACS-induced skeletal muscle injury. Method A total of 168 male Sprague–Dawley (SD) rats underwent 2 h of intracompartmental pressure elevation by saline infusion into the anterior compartment of the left hindlimb to establish the ACS model. ESC-MSCs were differentiated from the human embryonic stem cell (ESC) line H9. A dose of 1.2 × 106 of ESC-MSCs was intravenously injected during fasciotomy. Post-ACS assessments included skeletal edema index, serum indicators, histological analysis, apoptosis, fibrosis, regeneration, and functional recovery of skeletal muscle. Then, fluorescence microscopy was used to observe the distribution of labeled ESC-MSCs in vivo, and western blotting and immunofluorescence analyses were performed to examine macrophages infiltration in skeletal muscle. Finally, we used liposomal clodronate to deplete macrophages and reassess skeletal muscle injury in response to ESC-MSC therapy. Result ESC-MSCs significantly reduced systemic inflammatory responses, ACS-induced skeletal muscle edema, and cell apoptosis. In addition, ESC-MSCs inhibited skeletal muscle fibrosis and increased regeneration and functional recovery of skeletal muscle after ACS. The beneficial effects of ESC-MSCs on ACS-induced skeletal muscle injury were accompanied by a decrease in CD86-positive M1 macrophage polarization and an increase in CD206-positive M2 macrophage polarization. After depleting macrophages with liposomal clodronate, the beneficial effects of ESC-MSCs were attenuated. Conclusion Our findings suggest that embryonic stem cell-derived mesenchymal stem cells infusion could effectively alleviate ACS-induced skeletal muscle injury, in which the beneficial effects were related to the regulation of macrophages polarization.
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Affiliation(s)
- Xiangkang Jiang
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, 310009, China.,Key Laboratory of The Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou, China.,Zhejiang Provincial Clinical Research Center for Emergency and Critical Care Medicine, Hangzhou, China
| | - Jingyuan Yang
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, 310009, China.,Key Laboratory of The Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou, China.,Zhejiang Provincial Clinical Research Center for Emergency and Critical Care Medicine, Hangzhou, China
| | - Fei Liu
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, 310009, China.,Key Laboratory of The Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou, China.,Zhejiang Provincial Clinical Research Center for Emergency and Critical Care Medicine, Hangzhou, China
| | - Jiawei Tao
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, 310009, China.,Key Laboratory of The Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou, China.,Zhejiang Provincial Clinical Research Center for Emergency and Critical Care Medicine, Hangzhou, China
| | - Jiefeng Xu
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, 310009, China.,Key Laboratory of The Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou, China.,Zhejiang Provincial Clinical Research Center for Emergency and Critical Care Medicine, Hangzhou, China
| | - Mao Zhang
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, 310009, China. .,Key Laboratory of The Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou, China. .,Zhejiang Provincial Clinical Research Center for Emergency and Critical Care Medicine, Hangzhou, China.
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Adriansyah D, Santoso A, Sibarani TSMHS, Setyawan NA. Mechanoreceptor analysis on femoral and tibial site remnant of anterior cruciate ligament injury using immunohistochemistry. Ann Med Surg (Lond) 2022; 78:103849. [PMID: 35734679 PMCID: PMC9207111 DOI: 10.1016/j.amsu.2022.103849] [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: 02/27/2022] [Revised: 05/22/2022] [Accepted: 05/22/2022] [Indexed: 11/28/2022] Open
Abstract
Introductions More than 50% of knee ligament injuries are anterior cruciate ligament (ACL) injuries. The injury can lead to instability and osteochondral damage which in turn leads to early osteoarthritis. ACL remnant contains sensory nerve cells and mechanoreceptors which are useful for reinnervation of the graft and maintaining the knee stability. However, ACL remnant preservation can interfere the visualization during surgery. The number of mechanoreceptors in the ACL remnant of the tibia and femur have to be determined to help the surgeon get better visualization and at the same time preserve the mechanoreceptors in the ACL remnant during reconstruction. Methods This study aims to evaluate semi-quantitatively the expression of mechanoreceptors in ACL remnant in the tibia and femur using immunohistochemistry. From January to April 2021, 10 femoral and 10 tibial remnants was obtained from ACL injury patient who received arthroscopic ACL reconstruction. Both of them were analysed using immunohistochemistry with S100 and NFL antibodies. The type of remnant was recorded and the expression of the mechanoreceptor was observed under the microscope. Results The most common type of ACL remnant recorded were type 2 (50%), followed by type 1 (40%) and type 4 (10%). There were no significant differences in the expression of mechanoreceptors between femoral remnant and tibial remnant (p = 0.45 and p = 0.134). Conclusions No difference in the expression of mechanoreceptors of femoral and tibial ACL remnant. Preservation of both femoral and tibial remnants is important in ACL reconstruction surgery. The most of the ACL remnant recorded are type I. There were no significant differences between femoral and tibial ACL remnants. The remaining mechanoreceptor in the ACL remnant survive a long time. The remaining mechanoreceptor in the ACL remnant had no obvious change in time.
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Affiliation(s)
- Denny Adriansyah
- Department of Orthopaedic and Traumatology, Faculty of Medicine Universitas Sebelas Maret, Surakarta, Indonesia
| | - Asep Santoso
- Department of Orthopaedic and Traumatology, Faculty of Medicine Universitas Sebelas Maret, Surakarta, Indonesia
- Prof. Dr. R. Soeharso Orthopaedic Hospital, Surakarta, Indonesia
- Corresponding author. Department of Orthopaedic and Traumatology, Universitas Sebelas Maret, and Prof. Dr. R. Soeharso Orthopaedic Hospital, Jl. Jenderal Ahmad Yani, 57162, Surakarta, Indonesia.
| | - Tangkas SMHS. Sibarani
- Department of Orthopaedic and Traumatology, Faculty of Medicine Universitas Sebelas Maret, Surakarta, Indonesia
- Prof. Dr. R. Soeharso Orthopaedic Hospital, Surakarta, Indonesia
| | - Novan Adi Setyawan
- Department of Anatomical Pathology, Faculty of Medicine, Universitas Sebelas Maret, Surakarta, Indonesia
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11
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Figueroa BA, Said SA, Ordenana C, Rezaei M, Orfahli LM, Dubé GP, Papay F, Brunengraber H, Dasarathy S, Rampazzo A, Gharb BB. Ex vivo normothermic preservation of amputated limbs with a hemoglobin-based oxygen carrier perfusate. J Trauma Acute Care Surg 2022; 92:388-397. [PMID: 34510075 DOI: 10.1097/ta.0000000000003395] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Ex vivo normothermic limb perfusion (EVNLP) preserves amputated limbs under near-physiologic conditions. Perfusates containing red blood cells (RBCs) have shown to improve outcomes during ex vivo normothermic organ perfusion, when compared with acellular perfusates. To avoid limitations associated with the use of blood-based products, we evaluated the feasibility of EVNLP using a polymerized hemoglobin-based oxygen carrier-201 (HBOC-201). METHODS Twenty-four porcine forelimbs were procured from Yorkshire pigs. Six forelimbs underwent EVNLP with an HBOC-201-based perfusate, six with an RBC-based perfusate, and 12 served as static cold storage (SCS) controls. Ex vivo normothermic limb perfusion was terminated in the presence of systolic arterial pressure of 115 mm Hg or greater, fullness of compartments, or drop of tissue oxygen saturation by 20%. Limb contractility, weight change, compartment pressure, tissue oxygen saturation, oxygen uptake rates (OURs) were assessed. Perfusate fluid-dynamics, gases, electrolytes, metabolites, methemoglobin, creatine kinase, and myoglobin concentration were measured. Uniformity of skin perfusion was assessed with indocyanine green angiography and infrared thermography. RESULTS Warm ischemia time before EVNLP was 35.50 ± 8.62 minutes (HBOC-201), 30.17 ± 8.03 minutes (RBC) and 37.82 ± 10.45 (SCS) (p = 0.09). Ex vivo normothermic limb perfusion duration was 22.5 ± 1.7 hours (HBOC-201) and 28.2 ± 7.3 hours (RBC) (p = 0.04). Vascular flow (325 ± 25 mL·min-1 vs. 444.7 ± 50.6 mL·min-1; p = 0.39), OUR (2.0 ± 1.45 mL O2·min-1·g-1 vs. 1.3 ± 0.92 mL O2·min-1·g-1 of tissue; p = 0.80), lactate (14.66 ± 4.26 mmol·L-1 vs. 13.11 ± 6.68 mmol·L-1; p = 0.32), perfusate pH (7.53 ± 0.25 HBOC-201; 7.50 ± 0.23 RBC; p = 0.82), flexor (28.3 ± 22.0 vs. 27.5 ± 10.6; p = 0.99), and extensor (31.5 ± 22.9 vs. 28.8 ± 14.5; p = 0.82) compartment pressures, and weight changes (23.1 ± 3.0% vs. 13.2 ± 22.7; p = 0.07) were not significantly different between HBOC-201 and RBC groups, respectively. In HBOC-201 perfused limbs, methemoglobin levels increased, reaching 47.8 ± 12.1% at endpoint. Methemoglobin saturation did not affect OUR (ρ = -0.15, r2 = 0.022; p = 0.45). A significantly greater number of necrotic myocytes was found in the SCS group at endpoint (SCS, 127 ± 17 cells; HBOC-201, 72 ± 30 cells; RBC-based, 56 ± 40 cells; vs. p = 0.003). CONCLUSION HBOC-201- and RBC-based perfusates similarly support isolated limb physiology, metabolism, and function.
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Affiliation(s)
- Brian A Figueroa
- From the Department of Plastic Surgery (B.A.F., S.A.S., C.O., M.R., L.M.O., F.P., A.R., B.B.G.), Cleveland Clinic; Department of Nutrition (H.B.), School of Medicine, Case Western Reserve University; Department of Gastroenterology (S.D.), Cleveland Clinic, Cleveland, Ohio; and Hemoglobin Oxygen Therapeutics, LLC (G.P.D.), Souderton, Pennsylvania
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12
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Odake K, Tsujii M, Iino T, Chiba K, Kataoka T, Sudo A. Febuxostat treatment attenuates oxidative stress and inflammation due to ischemia-reperfusion injury through the necrotic pathway in skin flap of animal model. Free Radic Biol Med 2021; 177:238-246. [PMID: 34737143 DOI: 10.1016/j.freeradbiomed.2021.10.033] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 10/23/2021] [Accepted: 10/26/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND Ischemia-reperfusion (I/R) injury is a major contributor to skin flap necrosis, which is a serious complication of reconstructive surgery. The purpose of this study was to evaluate the protective effect of treatment with febuxostat, a selective xanthine oxidase inhibitor, on I/R injury in the skin flap of an animal (rat) model. METHODS Superficial epigastric flaps were raised in Sprague-Dawley rats and subjected to ischemia for 3 h. Febuxostat at a dose of 10 mg/kg/day was administered to rats in drinking water from 1 week before the surgery (Feb group). Control animals received no drugs (Con group). The mean ratio of flap survival and contraction was evaluated and compared between animals with and without administration of febuxostat on day 5 after the surgery. In addition, infiltration by polymorphonuclear leukocytes and muscles of the panniculus carnosus in the flap were histologically evaluated using hematoxylin-eosin staining. Furthermore, xanthine oxidase activity, ATP levels, superoxide dismutase activity, and expression of 8-hydroxy-2'-deoxyguanosine (8-OHdG), tumor necrosis factor-α, and interleukin-1β were quantitatively assessed in the skin flap 24 h after the surgery. RESULTS In the Feb group, the survival and contraction rates at the 5 d timepoint post-surgery were significantly higher and lower than those in the Con group, respectively. Histological analysis showed significant reduction in polymorphonuclear leukocyte infiltration and muscle injury scores due to I/R injury in the Feb group. The expression of 8-OHdG was also significantly inhibited in animals administered febuxostat. Biochemical analysis showed a significant reduction in xanthine oxidase activity and significant increases in ATP levels and superoxide dismutase activity in the Feb group. Furthermore, the expression of interleukin-1β was significantly lower in the Feb group than in the Con group. CONCLUSION Febuxostat, which is clinically used for the treatment of hyperuricemia, was effective against necrosis of the skin flap via inhibition of oxidative stress and inflammation caused by I/R injury.
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Affiliation(s)
- Kazuya Odake
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Japan
| | - Masaya Tsujii
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Japan.
| | - Takahiro Iino
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Japan
| | - Katsura Chiba
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Japan
| | - Takeshi Kataoka
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Japan
| | - Akihiro Sudo
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Japan
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Effects of Folinic Acid Administration on Lower Limb Ischemia/Reperfusion Injury in Rats. Antioxidants (Basel) 2021; 10:antiox10121887. [PMID: 34942991 PMCID: PMC8698375 DOI: 10.3390/antiox10121887] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/19/2021] [Accepted: 11/24/2021] [Indexed: 01/02/2023] Open
Abstract
Surgery under ischemic conditions, lasting up to 3 h, is routinely performed in orthopedic surgery, causing undesirable injury due to ischemia-reperfusion syndrome, with short and medium-term functional repercussions. To date, there is no established prophylactic treatment. In this work we evaluated folinic acid (FA) in a rodent model of lower limb ischemia-reperfusion (IRI-LL). 36 male WAG rats underwent 3 h of lower limb ischemia. In the saline group, rats received intraperitoneal administration of saline (used as vehicle for treatment). In the experimental group, rats were pretreated with FA (2.5 mg/kg) before the end of ischemia. After ischemia, animals were sacrificed at 3 h, 24 h or 14 days (for biochemical determination (Na+, K+, Cl-, urea, creatinine, CK, LDH, ALP, ALT, and AST), pathological assessment, or functional study using the rotarod test; respectively). Another six animals were used to establish the reference values. The prophylactic administration of FA significantly reduced the elevation of biochemical markers, especially those that most directly indicate muscle damage (CK and LDH). In addition, it also improved direct tissue damage, both in terms of edema, weight, PMN infiltrate and percentage of damaged fibers. Finally, the administration of FA allowed the animals to equal baseline values in the rotarod test; what did not occur in the saline group, where pre-ischemia levels were not recovered. Following 3 h of lower limb ischemia, FA minimizes the increase of CK and LDH, as well as local edema and leukocyte infiltration, allowing a faster recovery of limb functionality. Therefore, it could be considered as a prophylactic treatment when tourniquet is used in clinics.
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Zheng C, Ricci J, Zhang Q, Alawieh A, Yang X, Nadig S, He S, Engel P, Jin J, Atkinson C, Tomlinson S. Characterization of Novel P-Selectin Targeted Complement Inhibitors in Murine Models of Hindlimb Injury and Transplantation. Front Immunol 2021; 12:785229. [PMID: 34899752 PMCID: PMC8654931 DOI: 10.3389/fimmu.2021.785229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 11/09/2021] [Indexed: 12/05/2022] Open
Abstract
The complement system has long been recognized as a potential druggable target for a variety of inflammatory conditions. Very few complement inhibitors have been approved for clinical use, but a great number are in clinical development, nearly all of which systemically inhibit complement. There are benefits of targeting complement inhibition to sites of activation/disease in terms of efficacy and safety, and here we describe P-selectin targeted complement inhibitors, with and without a dual function of directly blocking P-selectin-mediated cell-adhesion. The constructs are characterized in vitro and in murine models of hindlimb ischemia/reperfusion injury and hindlimb transplantation. Both constructs specifically targeted to reperfused hindlimb and provided protection in the hindlimb ischemia/reperfusion injury model. The P-selectin blocking construct was the more efficacious, which correlated with less myeloid cell infiltration, but with similarly reduced levels of complement deposition. The blocking construct also improved tissue perfusion and, unlike the nonblocking construct, inhibited coagulation, raising the possibility of differential application of each construct, such as in thrombotic vs. hemorrhagic conditions. Similar outcomes were obtained with the blocking construct following vascularized composite graft transplantation, and treatment also significantly increased graft survival. This is outcome may be particularly pertinent in the context of vascularized composite allograft transplantation, since reduced ischemia reperfusion injury is linked to a less rigorous alloimmune response that may translate to the requirement of a less aggressive immunosuppressive regime for this normally nonlife-threatening procedure. In summary, we describe a new generation of targeted complement inhibitor with multi-functionality that includes targeting to vascular injury, P-selectin blockade, complement inhibition and anti-thrombotic activity. The constructs described also bound to both mouse and human P-selectin which may facilitate potential translation.
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Affiliation(s)
- Chaowen Zheng
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States
- Division of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Jerec Ricci
- The Lee Patterson Allen Transplant Immunobiology Laboratory, Department of Transplant Surgery, Department of Surgery, Medical University of South Carolina, Charleston, SC, United States
- Department of Surgery, Medical University of South Carolina, Charleston, SC, United States
| | - Qinqin Zhang
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States
- Department of Thyroid and Breast Surgery, Nanxishan Hospital of Guangxi Zhuang Autonomous Region, Guilin, China
| | - Ali Alawieh
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States
| | - Xiaofeng Yang
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States
| | - Satish Nadig
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States
- The Lee Patterson Allen Transplant Immunobiology Laboratory, Department of Transplant Surgery, Department of Surgery, Medical University of South Carolina, Charleston, SC, United States
- Department of Surgery, Medical University of South Carolina, Charleston, SC, United States
| | - Songqing He
- Division of Hepatobiliary Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Pablo Engel
- Department of Biomedical Sciences, University of Barcelona, Barcelona, Spain
| | - Junfei Jin
- Guangxi Key Laboratory of Molecular Medicine in Liver Injury and Repair, The Affiliated Hospital of Guilin Medical University, Guilin, China
| | - Carl Atkinson
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States
- The Lee Patterson Allen Transplant Immunobiology Laboratory, Department of Transplant Surgery, Department of Surgery, Medical University of South Carolina, Charleston, SC, United States
- Department of Surgery, Medical University of South Carolina, Charleston, SC, United States
- Department of Pulmonary Medicine, University of Florida, Gainesville, FL, United States
| | - Stephen Tomlinson
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States
- Ralph H. Johnson Veteran Affairs Medical Center, Charleston, SC, United States
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Cearra I, Herrero de la Parte B, Moreno-Franco DI, García-Alonso I. A reproducible method for biochemical, histological and functional assessment of the effects of ischaemia-reperfusion syndrome in the lower limbs. Sci Rep 2021; 11:19325. [PMID: 34588582 PMCID: PMC8481548 DOI: 10.1038/s41598-021-98887-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 09/16/2021] [Indexed: 02/08/2023] Open
Abstract
Current methodology described to mimic lower limb ischaemia-reperfusion injury (LL-IRI) does not accurately define the procedures and pressures exerted to induce and maintain ischaemia. In this piece of work, we propose a well-defined and detailed rat model that simulates the conditions established in clinical practice guidelines for tourniquet application and allows us to test treatments that aim to prevent/reduce LL-IRI. Eighty-six male WAG/RijHsd rats were subjected to hind limb IRI (LL-IRI), using a mechanical system applying a 1 kg tension to induce and maintain ischemia for 2 or 3 h, and assessed the damage caused by reperfusion at biochemical and muscular levels at different time points. At the biochemical level, both 2 and 3 h of ischemia induced changes (except for electrolyte levels); 3 h of ischemia induced greater changes in specific markers of muscular damage: creatine kinase (CK) and lactate dehydrogenase (LDH). At the histopathological level, 3 h of ischemia and 24 h of reperfusion was associated with an increase in hind limb girth, cross-sectional area, and weight and presence of neutrophils, as well as histological damage in more than 60% of muscle fibres. Our model allows to reliably reproduce the damage associated with the use of a pneumatic tourniquet. CK and LDH, as well as measures of tissue damage, allow to define and characterize the response to LL-IRI-related damage. A period of 3 h of ischemia followed by 3 h of reperfusion caused only local damage but showed greater sensitivity to detect differences in future studies on prophylactic treatments against LL-IRI.
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Affiliation(s)
- Iñigo Cearra
- Department of Traumatology and Orthopaedics, Osakidetza Basque Health Service, Basurto University Hospital, Avda. Montevideo, 18, 48013, Bilbao, Spain
- Department of Surgery and Radiology and Physical Medicine, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, Barrio Sarriena s/n, 48940, Leioa, Spain
- Biocruces Bizkaia Health Research Institute, Plaza Cruces s/n, 48903, Barakaldo, Spain
| | - Borja Herrero de la Parte
- Department of Surgery and Radiology and Physical Medicine, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, Barrio Sarriena s/n, 48940, Leioa, Spain.
- Biocruces Bizkaia Health Research Institute, Plaza Cruces s/n, 48903, Barakaldo, Spain.
| | - Diana Isabel Moreno-Franco
- Department of Vascular Surgery and Angiology, Osakidetza Basque Health Service, Basurto University Hospital, Avda. Montevideo, 18, 48013, Bilbao, Spain
| | - Ignacio García-Alonso
- Department of Surgery and Radiology and Physical Medicine, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, Barrio Sarriena s/n, 48940, Leioa, Spain
- Biocruces Bizkaia Health Research Institute, Plaza Cruces s/n, 48903, Barakaldo, Spain
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Asano T, Tsujii M, Iino T, Odake K, Sudo A. Pathological features of reinnervated skeletal muscles after crush injury of the sciatic nerve in ob/ob mice. Muscle Nerve 2021; 64:365-373. [PMID: 34212392 DOI: 10.1002/mus.27365] [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: 10/16/2020] [Revised: 06/21/2021] [Accepted: 06/27/2021] [Indexed: 11/11/2022]
Abstract
INTRODUCTION/AIMS Obesity is a factor contributing to suboptimal improvement of motor function in peripheral nerve disorders. In this study we aimed to evaluate the skeletal muscles during denervation and reinnervation after nerve crush injury in leptin-deficient (ob/ob) mice. METHODS Experiments were performed on the skeletal muscles of the hindlimbs in 20 male ob/ob mice and controls. Characteristics of the gastrocnemius muscles were evaluated by histological analysis, immunohistological analysis, and Sircol-collagen assay after measurement of body weight and wet weight of the skeletal muscles, and by walking track analysis. The sciatic nerve was denervated by crushing with smooth forceps and reinnervation was evaluated. RESULTS Gastrocnemius wet weight was significantly lower in the ob/ob mice than in the control mice. A smaller cross-sectional area of type II fibers and increase of type I fiber grouping of the skeletal muscles was demonstrated in the ob/ob mice. After nerve injury, motor function recovery was equal between the groups but the cross-sectional area of type II fibers was significantly smaller in the ob/ob mice than in control mice at 4 weeks. The denervated muscles showed an increase in collagen deposition in the interstitial space; predominant in the ob/ob mice after nerve injury. DISCUSSION The results of this study suggest that fibrosis in the skeletal muscle of obese patients after nerve injury is prominent, which may impair improvement of muscle function after treatment of peripheral nerve disorders.
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Affiliation(s)
- Takahiro Asano
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Masaya Tsujii
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Takahiro Iino
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Kazuya Odake
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Akihiro Sudo
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Tsu, Japan
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Rohde E, Goudarzi M, Madajka M, Said SAD, Ordenana C, Rezaei M, Fahradyan V, Pozza ED, Willard B, Brunengraber H, Dasarathy S, Rampazzo A, Gharb BB. Metabolic Profiling of Skeletal Muscle During Ex-Vivo Normothermic Limb Perfusion. Mil Med 2021; 186:358-363. [PMID: 33499445 DOI: 10.1093/milmed/usaa268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 07/29/2020] [Accepted: 08/18/2020] [Indexed: 11/14/2022] Open
Abstract
INTRODUCTION Ex vivo normothermic limb perfusion (EVNLP) provides several advantages for the preservation of limbs following amputation: the ability to maintain oxygenation and temperature of the limb close to physiological values, a perfusion solution providing all necessary nutrients at optimal concentrations, and the ability to maintain physiological pH and electrolytes. However, EVNLP cannot preserve the organ viability infinitely. We identified evidence of mitochondrial injury (swelling, elongation, and membrane disruption) after 24 hours of EVNLP of human upper extremities. The goal of this study was to identify metabolic derangements in the skeletal muscle during EVNLP. MATERIALS AND METHODS Fourteen human upper extremities were procured from organ donors after family consent. Seven limbs underwent EVNLP for an average of 41.6 ± 9.4 hours, and seven contralateral limbs were preserved at 4°C for the same amount of time. Muscle biopsies were performed at 24 hours of perfusion, both from the EVNLP and control limbs. Perturbations in the metabolic profiles of the muscle during EVNLP were determined via untargeted liquid chromatography-mass spectrometry (MS) operated in positive and negative electrospray ionization modes, over a mass range of 50 to 750 Da. The data were deconvoluted using the XCMS software and further statistically analyzed using the in-house statistical package, MetaboLyzer. Putative identification of metabolites using exact mass within ±7 ppm mass error and MS/MS spectral matching to the mzCloud spectral library were performed via Compound Discoverer v.2.1 (Thermo Scientific, Fremont, CA, USA). We further validated the identity of candidate metabolites by matching the fragmentation pattern of these metabolites to those of their reference pure chemicals. A nonparametric Mann-Whitney U-test was used to compare EVNLP and control group spectral features. Differences were considered significantly different when P-value < 0.05. RESULTS We detected over 13,000 spectral features of which 58 met the significance criteria with biologically relevant putative identifications. Furthermore we were able to confirm the identities of the ions taurine (P-value: 0.002) and tryptophan (P-value: 0.002), which were among the most significantly perturbed ions at 24 hours between the experimental and control groups. Metabolites belonging to the following pathways were the most perturbed at 24 hours: neuroactive ligand-receptor interaction (P-values: 0.031 and 0.036) and amino acid metabolism, including tyrosine and tryptophan metabolism (P-values: 0.015, 0.002, and 0.017). Taurine abundance decreased and tryptophan abundance increased at 24 hours. Other metabolites also identified at 24 hours included phenylalanine, xanthosine, and citric acid (P-values: 0.002, 0.002, and 0.0152). DISCUSSION This study showed presence of active metabolism during EVNLP and metabolic derangement toward the end of perfusion, which correlated with detection of altered mitochondrial structure, swelling, and elongation.
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Affiliation(s)
- Elizabeth Rohde
- Cleveland Clinic Department of Plastic Surgery, Cleveland, OH 44195, USA
| | - Maryam Goudarzi
- Cleveland Clinic Lerner Research Institute Proteomics and Metabolomics Core, Cleveland, OH 44195, USA
| | - Maria Madajka
- Cleveland Clinic Department of Plastic Surgery, Cleveland, OH 44195, USA
| | - Sayf Al-Deen Said
- Cleveland Clinic Department of Plastic Surgery, Cleveland, OH 44195, USA
| | - Carlos Ordenana
- Cleveland Clinic Department of Plastic Surgery, Cleveland, OH 44195, USA
| | - Majid Rezaei
- Cleveland Clinic Department of Plastic Surgery, Cleveland, OH 44195, USA
| | - Vahe Fahradyan
- Cleveland Clinic Department of Plastic Surgery, Cleveland, OH 44195, USA
| | - Edoardo Dall Pozza
- Cleveland Clinic Department of Plastic Surgery, Cleveland, OH 44195, USA
| | - Belinda Willard
- Cleveland Clinic Lerner Research Institute Proteomics and Metabolomics Core, Cleveland, OH 44195, USA
| | - Henri Brunengraber
- Case Western Reserve University School of Medicine Department of Nutrition and Biochemistry, Cleveland, OH 44106, USA
| | - Srinivasan Dasarathy
- Cleveland Clinic Lerner Research Institute Department of Pathobiology, Cleveland, OH 44195, USA
| | - Antonio Rampazzo
- Cleveland Clinic Department of Plastic Surgery, Cleveland, OH 44195, USA
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Activation of Opioid Receptors Attenuates Ischemia/Reperfusion Injury in Skeletal Muscle Induced by Tourniquet Placement. Mediators Inflamm 2021; 2021:6699499. [PMID: 33510583 PMCID: PMC7822682 DOI: 10.1155/2021/6699499] [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: 10/04/2020] [Revised: 11/28/2020] [Accepted: 01/02/2021] [Indexed: 11/18/2022] Open
Abstract
Method Mice were randomly assigned to the sham, I/R, Oxy, and I/R with Oxy groups. Oxy was injected intraperitoneally 30 min before tourniquet placement. Morphological changes of the gastrocnemius muscle in these mice were assessed by hematoxylin-eosin (HE) staining and electron microscopy. Expression levels of TLR4, NF-κB, SIRT1, and PGC-1α in the skeletal muscles were detected by western blot. Blood TNF-α levels, gastrocnemius muscle contractile force, and ATP concentration were examined. Results Compared with the I/R group, Oxy pretreatment attenuated skeletal muscle damage, decreased serum TNF-α levels, and inhibited the expression levels of TLR4/NF-κB in the gastrocnemius muscle. Furthermore, Oxy treatment significantly increased serum ATP levels and the contractility of the skeletal muscles. SIRT1 and PGC-1α levels were significantly reduced in gastrocnemius muscle after I/R. Oxy pretreatment recovered these protein expression levels. Conclusion Tourniquet-induced acute limb I/R results in morphological and functional impairment in skeletal muscle. Pretreatment with Oxy attenuates skeletal muscle from acute I/R injury through inhibition of TLR4/NF-κB-dependent inflammatory response and protects SIRT1/PGC-1α-dependent mitochondrial function.
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Busse E, Hickey C, Vasilakos N, Stewart K, O’Brien F, Rivera J, Marrero L, Lacey M, Schroll R, Van Meter K, Sammarco MC. Plasma flow distal to tourniquet placement provides a physiological mechanism for tissue salvage. PLoS One 2020; 15:e0244236. [PMID: 33347516 PMCID: PMC7752148 DOI: 10.1371/journal.pone.0244236] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 12/06/2020] [Indexed: 11/23/2022] Open
Abstract
Military literature has demonstrated the utility and safety of tourniquets in preventing mortality for some time, paving the way for increased use of tourniquets in civilian settings, including perioperatively to provide a bloodless surgical field. However, tourniquet use is not without risk and the subsequent effects of tissue ischemia can impede downstream rehabilitative efforts to regenerate and salvage nerve, muscle, tissue and bone in the limb. Limb ischemia studies in both the mouse and pig models have indicated not only that there is residual flow past the tourniquet by means of microcirculation, but also that recovery from tissue ischemia is dependent upon this microcirculation. Here we expand upon these previous studies using portable Near-Infrared Imaging to quantify residual plasma flow distal to the tourniquet in mice, pigs, and humans and leverage this flow to show that plasma can be supersaturated with oxygen to reduce intracellular hypoxia and promote tissue salvage following tourniquet placement. Our findings provide a mechanism of delivery for the application of oxygen, tissue preservation solutions, and anti-microbial agents prior to tourniquet release to improve postoperative recovery. In the current environment of increased tourniquet use, techniques which promote distal tissue preservation and limb salvage rates are crucial.
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Affiliation(s)
- Emily Busse
- Department of Surgery, Tulane School of Medicine, New Orleans, Louisiana, United States of America
| | - Cheryl Hickey
- Department of Emergency Medicine, Louisiana State University Health Sciences Center, New Orleans, Louisiana, United States of America
| | - Nicole Vasilakos
- Department of Physiology, Tulane School of Medicine, New Orleans, Louisiana, United States of America
| | - Kennon Stewart
- Department of Mathematics, Tulane University, New Orleans, Louisiana, United States of America
| | - Fred O’Brien
- Orthopaedic Surgery Service, Dwight D. Eisenhower Army Medical Center, Fort Gordon, Georgia, United States of America
| | - Jessica Rivera
- Department of Orthopedics, Louisiana State University Health Sciences Center, New Orleans, Louisiana, United States of America
| | - Luis Marrero
- Department of Orthopedics, Louisiana State University Health Sciences Center, New Orleans, Louisiana, United States of America
| | - Michelle Lacey
- Department of Mathematics, Tulane University, New Orleans, Louisiana, United States of America
| | - Rebecca Schroll
- Department of Surgery, Tulane School of Medicine, New Orleans, Louisiana, United States of America
| | - Keith Van Meter
- Department of Emergency Medicine, Louisiana State University Health Sciences Center, New Orleans, Louisiana, United States of America
| | - Mimi C. Sammarco
- Department of Surgery, Tulane School of Medicine, New Orleans, Louisiana, United States of America
- * E-mail:
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Yokoyama H, Tsujii M, Iino T, Nakamura T, Sudo A. Inhibitory effect of edaravone on systemic inflammation and local damage in skeletal muscles following long-term ischemia to murine hind limb. J Orthop Surg (Hong Kong) 2020; 27:2309499019874470. [PMID: 31549573 DOI: 10.1177/2309499019874470] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
PURPOSE The purpose of this study was to evaluate local and systemic pathology in a murine model of ischemia-reperfusion (I/R) injury induced by long-term application of a tourniquet on the hind limbs and to assess the protective effects of edaravone, a potent systemic scavenger of free radicals, using this model. METHODS Sixty C57BL6 mice were divided in two groups, with one group receiving a 3 mg/kg intraperitoneal injection of edaravone and the other group receiving an identical amount of saline 30 min before ischemia under deep anesthesia. The left thigh of each animal was constricted for 4 h with a 4.5-oz. orthodontic rubber band to induce ischemia; 4 h was the critical duration for skeletal muscles. After ischemia, specimens of skeletal muscles, both kidneys, and plasma were collected at 0, 2, 12, 24, 48, and 72 h. Injury to the skeletal muscles and vacuolar degeneration of the kidneys were histologically assessed. Additionally, apoptosis of skeletal muscle cells was assessed by analysis of caspase 3/7 activity and TUNEL staining. Plasma tumor necrosis factor (TNF)-α levels were measured using an enzyme-linked immunosorbent assay kit. RESULTS Skeletal muscles exhibited prominent injury of myofibers at 12 h after I/R injury, with clear upregulation of plasma TNF-α expression and histologic evidence of tubular dysfunction of the kidneys. Plasma TNF-α levels declined and histologic renal damage was ameliorated in edaravone-treated mice, but treatment did not protect skeletal muscle following ischemia for 4 h. Nonetheless, compared with group S, expression of the apoptosis marker caspase 3/7 was significantly inhibited in the skeletal hind limb muscles of Ed-group mice affected by reperfusion injury following ischemia for 4 h. CONCLUSION The present study demonstrated that edaravone is a potentially useful drug for systemic or local treatment of reperfusion injury resulting from long-term ischemia.
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Affiliation(s)
- Hirokazu Yokoyama
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Masaya Tsujii
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Takahiro Iino
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Tomoki Nakamura
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Akihiro Sudo
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Tsu, Japan
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Kuroda Y, Togashi H, Uchida T, Haga K, Yamashita A, Sadahiro M. Oxidative stress evaluation of skeletal muscle in ischemia-reperfusion injury using enhanced magnetic resonance imaging. Sci Rep 2020; 10:10863. [PMID: 32616815 PMCID: PMC7331576 DOI: 10.1038/s41598-020-67336-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 06/03/2020] [Indexed: 01/25/2023] Open
Abstract
Acute extremity arterial occlusion requires prompt revascularization. Delayed revascularization induces ischemia–reperfusion injury in the skeletal muscle. Organ injury-induced oxidative stress is widely reported, and oxidative stress is heavily involved in ischemia–reperfusion injury. This study aimed to evaluate oxidative stress in ischemia–reperfusion rat models using 3-carbamoyl PROXYL enhanced magnetic resonance imaging (3-CP enhanced MRI). Ischemia–reperfusion injury was induced through clamping the right femoral artery in rats, with a 4-h ischemia time in all experiments. 3-CP enhanced MRI was performed to evaluate oxidative stress, and the rats were divided into 3 reperfusion time groups: 0.5, 2, and 24 h. Signal intensity was evaluated using 3-CP enhanced MRI and compared in the ischemia–reperfusion and intact limbs in the same rat. Furthermore, the effect of edaravone (radical scavenger) was evaluated in the 4-h ischemia—24-h reperfusion injury rat model. The signal intensity of the ischemia–reperfusion limb was significantly stronger than that of the intact limb, suggesting that oxidative stress was induced in the ischemia–reperfusion muscle. Edaravone administration reduced the oxidative stress in the ischemia–reperfusion limb. The signal intensity of the ischemia–reperfusion limb was stronger than that of the intact limb, presumably reflecting the oxidative stress in the former. 3-CP MRI examination shows promise for effective assessment of oxidative stress and may facilitate early diagnosis of ischemia–reperfusion injury.
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Affiliation(s)
- Yoshinori Kuroda
- Division of Cardiovascular Surgery, Department of Surgery II, Faculty of Medicine, Yamagata University, 2-2-2 Iidanishi, Yamagata, 990-9585, Japan.
| | - Hitoshi Togashi
- Health Administration Center, Yamagata University, Yamagata, Japan
| | - Tetsuro Uchida
- Division of Cardiovascular Surgery, Department of Surgery II, Faculty of Medicine, Yamagata University, 2-2-2 Iidanishi, Yamagata, 990-9585, Japan
| | - Kazuyuki Haga
- Radiation Department, Yamagata University Hospital, Yamagata, Japan
| | - Atsushi Yamashita
- Division of Cardiovascular Surgery, Department of Surgery II, Faculty of Medicine, Yamagata University, 2-2-2 Iidanishi, Yamagata, 990-9585, Japan
| | - Mitsuaki Sadahiro
- Division of Cardiovascular Surgery, Department of Surgery II, Faculty of Medicine, Yamagata University, 2-2-2 Iidanishi, Yamagata, 990-9585, Japan
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22
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The effect of fullerenol C60 on skeletal muscle after lower limb ischemia reperfusion injury in streptozotocin-induced diabetic rats. JOURNAL OF SURGERY AND MEDICINE 2020. [DOI: 10.28982/josam.756665] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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23
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Abstract
Ex-situ perfusion (ESP) is a promising method in preserving vascularized composite tissue allografts (VCAs) with potential to widen donor procurement to larger geographic areas. To optimize the method of preservation, we developed a small animal model to conduct biomolecular investigations. Twenty rat hind limbs (18.2 ± 1.3 g) were procured and connected to our custom-made ESP system. Perfusion pressure and flow parameters were measured with hourly blood gas analysis under near-normothermic (30-35˚C) conditions. Perfusate was prepared with swine hemoglobin (6-9 g/dL) and STEEN Solution. After 6 hours of perfusion, gastrocnemius muscles were evaluated for their histology and metabolomic profiling. Following 3 sets of experiments, perfusion was maintained at an average flow of 0.9 ± 0.24 mL/min and resulted in lactate levels of 3.78 ± 1.02 mmol/L. Metabolomic analysis revealed maintained cellular energy stores (total adenylates perfusion 0.698 ± 0.052 versus baseline 0.685 ± 0.091 umols/ug, p = 0.831), and histologic analysis revealed no evidence of barotrauma or myodegeneration. Rat hind limbs were viable after 6 hours of ESP on our miniaturized ESP system. This study is the first to document the ex-situ hind limb perfusion platform on a rodent model. These experimental findings have potential to guide future research to extend the viable duration of VCA preservation.
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Nakanishi T, Tsujii M, Asano T, Iino T, Sudo A. Protective Effect of Edaravone Against Oxidative Stress in C2C12 Myoblast and Impairment of Skeletal Muscle Regeneration Exposed to Ischemic Injury in Ob/ob Mice. Front Physiol 2020; 10:1596. [PMID: 32009986 PMCID: PMC6974450 DOI: 10.3389/fphys.2019.01596] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 12/19/2019] [Indexed: 12/25/2022] Open
Abstract
Background The aims of this study were to analyze the effects of the administration of edaravone on C2C12 myoblasts exposed to oxidative stress; to evaluate the skeletal muscles in ob/ob mice; and to analyze the effect of the administration of edaravone in the regeneration of skeletal muscle after ischemic injury. Methods In C2C12 myoblasts, oxidative stress was induced by the exposure to 250 μM H2O2 for 4 h with or without pretreatment of 100 μM edaravone. Thereafter, the viability and expression of TNF-α were analyzed by MTS assay and PCR, respectively. Furthermore, an in vivo study was performed on male C57/BL6-ob/ob mice (10 weeks old) and the respective control mice. The skeletal muscles of tibialis anterior and gastrocnemius were excised for histological analysis and TBARS assay after the measurement of blood flow. In addition, the regeneration of the skeletal muscles was analyzed for the expression of MyoD 7 days after the ligation of the right femoral artery. Results Edaravone significantly inhibited the reduction of the viability as well as upregulation of TNF-α expression by treatment with H2O2. In ob/ob mice, wet weight of muscles was significantly lower than that in control mice. In histology, ob/ob mice had significantly less multi-angle shaped myofibers and a significantly high level of MDA. Furthermore, MyoD expression was lower in ob/ob mice than in control mice after the ischemic injury, while edaravone (3 mg/kg) increasingly enhanced MyoD expression. Conclusion Edaravone attenuated the oxidative stress on C2C12 myoblasts, and was effective to regeneration of skeletal muscles after ischemia in ob/ob mice.
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Affiliation(s)
- Takuya Nakanishi
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Masaya Tsujii
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Takahiro Asano
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Takahiro Iino
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Akihiro Sudo
- Department of Orthopaedic Surgery, Graduate School of Medicine, Mie University, Tsu, Japan
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Effect of Telmisartan in the Oxidative Stress Components Induced by Ischemia Reperfusion in Rats. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:1302985. [PMID: 31354899 PMCID: PMC6636510 DOI: 10.1155/2019/1302985] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Revised: 04/15/2019] [Accepted: 05/15/2019] [Indexed: 01/01/2023]
Abstract
The therapeutic effects of telmisartan, an angiotensin II receptor antagonist and a peroxisome proliferator-activated receptor-γ (PPAR-γ) agonist, have been demonstrated in several disorders. It has antioxidant and immune response modulator properties and has shown promising results in the treatment of an ischemia/reperfusion (I/R) lesion. In this study, a skeletal muscle (right gastrocnemius muscle) I/R lesion was induced in rats and different reperfusion times (1 h, 24 h, 72 h, 7-day, and 14-day subgroups) were assessed. Furthermore, levels of oxidative markers such as enzymatic scavengers (catalase (CAT) and superoxide dismutase (SOD)) and metabolites (nitrates and 8-oxo-deoxyguanosine) were determined. The degree of tissue injury (total lesioned fibers and inflammatory cell count) was also evaluated. We observed an increase in CAT and SOD expression levels under telmisartan treatment, with a decrease in injury and oxidative biomarker levels in the 72 h, 7-day, and 14-day subgroups. Telmisartan reduced oxidative stress and decreased the damage of the I/R lesion.
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Long-term Effects of Hypothermic Ex Situ Perfusion on Skeletal Muscle Metabolism, Structure, and Force Generation After Transplantation. Transplantation 2019; 103:2105-2112. [PMID: 31205264 DOI: 10.1097/tp.0000000000002800] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND Hypothermic ex situ perfusion (HESP) systems are used to prolong allograft survival in solid organ transplantations and have been shown to be superior to static cold storage (SCS) methods. However, the effect of this preservation method on limb allograft survival and long-term function has not yet been tested. In this study, we investigated the long-term effects of the HESP on skeletal muscle metabolism, structure, and force generation and compared it with the current standard of preservation. METHODS Forty male Lewis rats (250 ± 25 g) were divided into 5 groups, including naive control, sciatic nerve transection or repair, immediate transplantation, SCS, and HESP. For the SCS group, limbs were preserved at 4°C for 6 hours. In the HESP group, limbs were continuously perfused with oxygenated histidine-tryptophan-ketoglutarate (HTK) solution at 10-15°C for 6 hours. Hemodynamic and biochemical parameters of perfusion were recorded throughout the experiment. At 12 weeks, electromyography and muscle force measurements (maximum twitch and tetanic forces) were obtained along with muscle samples for histology and metabolomics analysis. RESULTS Histology demonstrated 48% myocyte injury in the HESP group compared with 49% in immediate transplantation (P = 0.96) and 74% in the SCS groups (P < 0.05). The maximum twitch force measurement revealed a significantly higher force in the HESP group compared with the SCS group (P = 0.029). Essential amino acid levels of the gastrocnemius muscle did not reach significance, with the exception of higher proline levels in the HESP group. CONCLUSIONS HESP using HTK protects viability of the limb but fails to restore muscle force in the long term.
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27
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Gok E, Alghanem F, Lim E, Sarver D, Eckhardt L, Christensen S, Hoenerhoff M, Mendias C, Ozer K. Single Muscle Fibre Contractility Testing in Rats to Quantify Ischaemic Muscle Damage During Reperfusion Injury. Eur J Vasc Endovasc Surg 2019; 58:249-256. [PMID: 31202581 DOI: 10.1016/j.ejvs.2019.01.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 01/05/2019] [Indexed: 01/09/2023]
Abstract
OBJECTIVES In this study, the aim was to investigate the potential for single muscle fibre contractility (SMFC) testing to detect the extent of reperfusion injury following various reperfusion periods. The hypothesis was that force generated by muscle fibres will correlate inversely with the extent of reperfusion injury. METHODS Twenty-four Lewis rats were distributed among five groups. Group 1 served as normal muscle control. In all other groups, femoral artery flow was occluded for four hours. Muscle biopsies were obtained at 0 hour, six hours, day two, and day seven after reperfusion in Groups 2, 3, 4, and 5, respectively. Samples then underwent ultrastructural analysis (H&E stain) and SMFC testing. RESULTS The maximum isometric force (mN) generated on Days two and seven after reperfusion decreased from baseline by 21% (p < 0.05), and 53% (p < .001), respectively. The specific force (kPa) followed a similar pattern with a 13% decrease at Day two (p > 0.05) and 31% decrease at Day 7 (p < .001). These results correlated inversely with the extent of quantitative injury on histology. CONCLUSIONS The study demonstrated an inverse relationship between single muscle fibre contractility testing and neutrophil infiltration during the reperfusion phase. Further clinical studies are needed to evaluate its potential in providing prognostic information for patient outcomes.
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Affiliation(s)
- Emre Gok
- Department of Surgery, University of Michigan Health System, Ann Arbor, MI, USA; Department of Orthopaedic Surgery, University of Michigan Health System, Ann Arbor, MI, USA
| | - Fares Alghanem
- Department of Surgery, University of Michigan Health System, Ann Arbor, MI, USA
| | - Eunice Lim
- Department of Surgery, University of Michigan Health System, Ann Arbor, MI, USA
| | - Dylan Sarver
- Department of Orthopaedic Surgery, University of Michigan Health System, Ann Arbor, MI, USA
| | - Logan Eckhardt
- Department of Surgery, University of Michigan Health System, Ann Arbor, MI, USA
| | - Shelby Christensen
- Department of Surgery, University of Michigan Health System, Ann Arbor, MI, USA
| | - Mark Hoenerhoff
- In Vivo Animal Core, Unit for Laboratory Animal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Christopher Mendias
- Department of Orthopaedic Surgery, University of Michigan Health System, Ann Arbor, MI, USA; Hospital for Special Surgery, New York, NY, USA
| | - Kagan Ozer
- Department of Orthopaedic Surgery, University of Michigan Health System, Ann Arbor, MI, USA.
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Burns L, Ramos A, Veiga A, Moron S, Cordova F, Miotto F, Viana E, Zimermann F, Minharro S, Stefanine N, Sousa L. Evaluation of muscle tissue and liver glycogen of cattle submitted to transport over long distances and subjected to emergency slaughter. ARQ BRAS MED VET ZOO 2019. [DOI: 10.1590/1678-4162-10233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
ABSTRACT The study evaluated the effect of transportation over long distances on cattle muscle tissue of submitted to emergency slaughter in slaughterhouses in northern Tocantins, Brazil. The evaluations consisted in pH, muscle and liver glycogen, muscle histopathology and creatine kinase (CK), alanine aminotransferase (ALT) and aspartate aminotransferase (AST) activity. Animals were placed into two groups: Experimental Group (EG), consisting of 19 bovines intended for immediate emergency slaughter, and Control Group (CG), composed of 24 bovines slaughtered in accordance with the normal flow. CK and ALT levels were high in EG. AST did not differ between groups. EG showed higher muscle pH and mean of degenerate fibers, mainly on the intercostal. However, muscle and liver glycogen did not differ between groups. In conclusion, cattle transported over long distances and subjected to immediate emergency slaughter showed markedly stress condition, with changes in biochemical parameters in the muscle tissue, determined by cellular degeneration.
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Affiliation(s)
- L.V. Burns
- Universidade Federal do Tocantins, Brazil
| | - A.T. Ramos
- Universidade Federal de Santa Catarina, Brazil
| | | | - S.E. Moron
- Universidade Federal do Tocantins, Brazil
| | | | | | - E.B. Viana
- Universidade Federal de Juiz de Fora, Brazil
| | | | | | | | - L.F. Sousa
- Universidade Federal do Tocantins, Brazil
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Gok E, Rojas-Pena A, Bartlett RH, Ozer K. Rodent Skeletal Muscle Metabolomic Changes Associated With Static Cold Storage. Transplant Proc 2019; 51:979-986. [PMID: 30979491 DOI: 10.1016/j.transproceed.2019.01.055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 12/06/2018] [Accepted: 01/17/2019] [Indexed: 11/19/2022]
Abstract
OBJECTIVE The aim of this study was to evaluate the impact of static cold storage preservation on skeletal muscle metabolism using a rodent model. METHODS Sixteen male Lewis rats (250 ± 25 g) were distributed into 4 groups, including naive control, warm ischemia for 2 hours, static warm storage for 6 hours, and static cold storage for 6 hours. Energy status, metabolomics profiling, and histopathology of the muscle were analyzed. RESULTS In the warm ischemia and static warm storage groups, glycolytic pathway metabolites decreased, but the Krebs cycle metabolite of succinate and the purine degradation product of hypoxanthine accumulated. Increased succinate and hypoxanthine levels were associated with increased injury severity scores. During static cold storage, the glycolytic pathway activity and the energy status were preserved. Succinate and hypoxanthine levels showed no significant difference from the naive group. CONCLUSION Warm ischemia results in reduced glycolysis and Krebs cycle metabolites. Static cold storage preserves the glycolytic pathway and represents a favorable contribution to cellular energy demand. Succinate and hypoxanthine might be used as novel potential biomarkers for the assessment of viability and injury severity.
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Affiliation(s)
- E Gok
- Department of Orthopaedic Surgery, University of Michigan Health System, Ann Arbor, Michigan, United States; Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, United States
| | - A Rojas-Pena
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, United States
| | - R H Bartlett
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan, United States
| | - K Ozer
- Department of Orthopaedic Surgery, University of Michigan Health System, Ann Arbor, Michigan, United States.
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Trujillo-Rangel WA, Castillo-Romero A, Totsuka-Sutto SE, Rodríguez-Lara SQ, García-Cobián TA, Campos-Bayardo TI, Cardona-Muñoz EG, García-Benavides L. Effect of atorvastatin on oxidative damage and inflammation in experimental hindlimb ischemia–reperfusion model. EUR J INFLAMM 2018. [DOI: 10.1177/2058739218812664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Ischemia–reperfusion is defined as cellular damage after the reperfusion of ischemic tissue, and it is likely to occur in relation to various diseases and surgical procedures. The purpose of this study was to evaluate the capability of atorvastatin to prevent oxidative damage and modulate the release of proinflammatory cytokines in rat hindlimb during ischemia–reperfusion injury. The animals were divided into 4 groups (ischemia–reperfusion + vehicle, ischemia–reperfusion + atorvastatin, sham, and healthy controls) with 15 rats per group. The animals were exposed to ischemia for 6 h, followed by 24 h, 7 days, and 14 days of reperfusion. Atorvastatin was administered by gavage 14 days before ischemia–reperfusion induction. We then measured the serum concentrations and mRNA transcript levels of TNF-α, IL-1β, IL-6, IL-10, SOD2, and CAT. Hematoxylin and eosin stain were performed for histological analyses. Animals subjected to ischemia–reperfusion showed increased serum and transcript levels of TNF-α, IL-1β, IL-6, and IL-10 expressions with a concurrent increase in mRNA transcripts levels compared with sham and healthy controls. Groups treated with atorvastatin showed a significant CAT increase in the first 24 h, but CAT levels decreased at 7 and 14 days. SOD2 enzyme increased in serum without significant changes in mRNA expression. Histological analysis showed inflammatory infiltrate, microhemorrhages, and distortion of the tissue architecture in the first 7 days. At 14 days, the tissue showed loss and damage to myocytes. However, animals treated with atorvastatin showed few histological changes and a decrease in inflammatory cytokines. No significant changes in NO2, NO3, or 8-OHdG were observed. Atorvastatin showed a protective effect on the inflammation and tissue damage induced by ischemia–reperfusion in the hindlimb. The antioxidant effect of atorvastatin in the hindlimb is already unclear, and further research is needed to elucidate the molecular mechanism of this drug in the extremities.
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Affiliation(s)
| | | | | | | | | | | | | | - Leonel García-Benavides
- Departamento de Fisiología, Universidad de Guadalajara, Guadalajara, México
- Departamento de Ciencias Biomédicas, CUTonalá, Universidad de Guadalajara, Tonalá, México
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Hong Y, Zhang B, Yu L, Duan SS. Cell membrane integrity and revascularization: The possible functional mechanism of ischemic preconditioning for skeletal muscle protection against ischemic-reperfusion injury. Acta Histochem 2017; 119:309-314. [PMID: 28291543 DOI: 10.1016/j.acthis.2017.02.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 02/24/2017] [Accepted: 02/27/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND The purpose of this paper was to evaluate whether ischemic preconditioning (IPC) could make protective effects against skeletal muscle injuries induced by ischemic-reperfusion (I/R). METHODS Eighteen rats were randomly divided into three groups of 6 subjects each: control group, I/R group, and IPC group. Thigh root ischemia of rats in the I/R group was induced by 3h ischemia and 24h reperfusion. IPC was applied by 3 periods of 15min ischemia/15min reperfusion prior to ischemia. Morphological changes in skeletal muscle cells induced by I/R and IPC were observed by hematoxylin and eosin (HE) staining and electron microscopy. In addition, angiogenesis was evaluated by immunolabeling of CD31. RESULTS IPC could prevented morphological alternations induced by ischemia, including myofilament, cell membrane, cell matrix, nucleus, mitochondria, and sarcoplasmic reticulum damage in skeletal muscle cells. The CD31 immunolabeling showed that neovascularization was observed in the IPC group but not in the I/R group. IPC could protect skeletal muscle cells from necrosis, apoptosis, and morphological damages induced by I/R injury. CONCLUSION Revascularization may play a key role in the mechanism underlying the protective effects of IPC in vivo.
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32
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Martens A, Ordies S, Vanaudenaerde BM, Verleden SE, Vos R, Verleden GM, Verbeken EK, Van Raemdonck DE, Claes S, Schols D, Chalopin M, Katz I, Farjot G, Neyrinck AP. A porcine ex vivo lung perfusion model with maximal argon exposure to attenuate ischemia-reperfusion injury. Med Gas Res 2017; 7:28-36. [PMID: 28480029 PMCID: PMC5402344 DOI: 10.4103/2045-9912.202907] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Argon (Ar) is a noble gas with known organoprotective effects in rodents and in vitro models. In a previous study we failed to find a postconditioning effect of Ar during ex vivo lung perfusion (EVLP) on warm-ischemic injury in a porcine model. In this study, we further investigated a prolonged exposure to Ar to decrease cold ischemia-reperfusion injury after lung transplantation in a porcine model with EVLP assessment. Domestic pigs (n = 6/group) were pre-conditioned for 6 hours with 21% O2 and 79% N2 (CONTR) or 79% Ar (ARG). Subsequently, lungs were cold flushed and stored inflated on ice for 18 hours inflated with the same gas mixtures. Next, lungs were perfused for 4 hours on EVLP (acellular) while ventilated with 12% O2 and 88% N2 (CONTR group) or 88% Ar (ARG group). The perfusate was saturated with the same gas mixture but with the addition of CO2 to an end-tidal CO2 of 35-45 mmHg. The saturated perfusate was drained and lungs were perfused with whole blood for an additional 2 hours on EVLP. Evaluation at the end of EVLP did not show significant effects on physiologic parameters by prolonged exposure to Ar. Also wet-to-dry weight ratio did not improve in the ARG group. Although in other organ systems protective effects of Ar have been shown, we did not detect beneficial effects of a high concentration of Ar on cold pulmonary ischemia-reperfusion injury in a porcine lung model after prolonged exposure to Ar in this porcine model with EVLP assessment.
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Affiliation(s)
- An Martens
- Laboratory of Anesthesiology and Algology, Department of Cardiovascular Sciences, Katholieke Universiteit Leuven and University Hospitals, Leuven, Belgium.,Leuven Lung Transplant Unit, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Sofie Ordies
- Laboratory of Anesthesiology and Algology, Department of Cardiovascular Sciences, Katholieke Universiteit Leuven and University Hospitals, Leuven, Belgium.,Leuven Lung Transplant Unit, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Bart M Vanaudenaerde
- Leuven Lung Transplant Unit, Katholieke Universiteit Leuven, Leuven, Belgium.,Laboratory of Pneumology, Department of Clinical and Experimental Medicine, Lung Transplant Unit, Katholieke Universiteit Leuven and University Hospitals, Leuven, Belgium
| | - Stijn E Verleden
- Leuven Lung Transplant Unit, Katholieke Universiteit Leuven, Leuven, Belgium.,Laboratory of Pneumology, Department of Clinical and Experimental Medicine, Lung Transplant Unit, Katholieke Universiteit Leuven and University Hospitals, Leuven, Belgium
| | - Robin Vos
- Leuven Lung Transplant Unit, Katholieke Universiteit Leuven, Leuven, Belgium.,Laboratory of Pneumology, Department of Clinical and Experimental Medicine, Lung Transplant Unit, Katholieke Universiteit Leuven and University Hospitals, Leuven, Belgium
| | - Geert M Verleden
- Leuven Lung Transplant Unit, Katholieke Universiteit Leuven, Leuven, Belgium.,Laboratory of Pneumology, Department of Clinical and Experimental Medicine, Lung Transplant Unit, Katholieke Universiteit Leuven and University Hospitals, Leuven, Belgium
| | - Eric K Verbeken
- University Hospitals Leuven, Department of Histopathology, Leuven, Belgium
| | - Dirk E Van Raemdonck
- Leuven Lung Transplant Unit, Katholieke Universiteit Leuven, Leuven, Belgium.,Laboratory of Experimental Thoracic Surgery, Department of Clinical and Experimental Medicine, Katholieke Universiteit Leuven and University Hospitals, Leuven, Belgium
| | - Sandra Claes
- Laboratory of Virology and Chemotherapy (Rega Institute), Department of Microbiology and Immunology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Dominique Schols
- Laboratory of Virology and Chemotherapy (Rega Institute), Department of Microbiology and Immunology, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Matthieu Chalopin
- Air Liquide Santé International Medical R&D; Paris-Saclay Research Center, Jouy-en Josas, France
| | - Ira Katz
- Air Liquide Santé International Medical R&D; Paris-Saclay Research Center, Jouy-en Josas, France
| | - Geraldine Farjot
- Air Liquide Santé International Medical R&D; Paris-Saclay Research Center, Jouy-en Josas, France
| | - Arne P Neyrinck
- Laboratory of Anesthesiology and Algology, Department of Cardiovascular Sciences, Katholieke Universiteit Leuven and University Hospitals, Leuven, Belgium.,Leuven Lung Transplant Unit, Katholieke Universiteit Leuven, Leuven, Belgium
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Gois PHF, Canale D, Volpini RA, Ferreira D, Veras MM, Andrade-Oliveira V, Câmara NOS, Shimizu MHM, Seguro AC. Allopurinol attenuates rhabdomyolysis-associated acute kidney injury: Renal and muscular protection. Free Radic Biol Med 2016; 101:176-189. [PMID: 27769920 DOI: 10.1016/j.freeradbiomed.2016.10.012] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 09/16/2016] [Accepted: 10/16/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND Acute kidney injury (AKI) is the most severe complication of rhabdomyolysis. Allopurinol (Allo), a xanthine oxidase inhibitor, has been in the spotlight in the last decade due to new therapeutic applications related to its potent antioxidant effect. The aim of this study was to evaluate the efficacy of Allo in the prevention and treatment of rhabdomyolysis-associated AKI. METHODS Male Wistar rats were divided into five groups: saline control group; prophylactic Allo (300mg/L of drinking water, 7 days); glycerol (50%, 5ml/kg, IM); prophylactic Allo + glycerol; and therapeutic Allo (50mg/Kg, IV, 30min after glycerol injection) + glycerol. RESULTS Glycerol-injected rats showed markedly reduced glomerular filtration rate associated with renal vasoconstriction, renal tubular damage, increased oxidative stress, apoptosis and inflammation. Allo ameliorated all these alterations. We found 8-isoprostane-PGF2a (F2-IsoP) as a main factor involved in the oxidative stress-mediated renal vasoconstriction following rhabdomyolysis. Allo reduced F2-IsoP renal expression and restored renal blood flow. Allo also reduced oxidative stress in the damaged muscle, attenuated muscle lesion/inflammation and accelerated muscular recovery. Moreover, we showed new insights into the pathogenesis of rhabdomyolysis-associated AKI, whereas Allo treatment reduced renal inflammation by decreasing renal tissue uric acid levels and consequently inhibiting the inflammasome cascade. CONCLUSIONS Allo treatment attenuates renal dysfunction in a model of rhabdomyolysis-associated AKI by reducing oxidative stress (systemic, renal and muscular), apoptosis and inflammation. This may represent a new therapeutic approach for rhabdomyolysis-associated AKI - a new use for an old and widely available medication.
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Affiliation(s)
- Pedro H F Gois
- Laboratory of Medical Research - LIM12, Nephrology Department, University of São Paulo School of Medicine, São Paulo, Brazil.
| | - Daniele Canale
- Laboratory of Medical Research - LIM12, Nephrology Department, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Rildo A Volpini
- Laboratory of Medical Research - LIM12, Nephrology Department, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Daniela Ferreira
- Laboratory of Medical Research - LIM12, Nephrology Department, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Mariana M Veras
- Laboratory of Medical Research - LIM05, Department of Pathology, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Vinicius Andrade-Oliveira
- Laboratory of Transplantation Immunobiology, Department of Immunology, Institute of Biomedical Sciences IV, University of São Paulo, São Paulo, Brazil
| | - Niels O S Câmara
- Laboratory of Transplantation Immunobiology, Department of Immunology, Institute of Biomedical Sciences IV, University of São Paulo, São Paulo, Brazil
| | - Maria H M Shimizu
- Laboratory of Medical Research - LIM12, Nephrology Department, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Antonio C Seguro
- Laboratory of Medical Research - LIM12, Nephrology Department, University of São Paulo School of Medicine, São Paulo, Brazil
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Albadawi H, Oklu R, Raacke Malley RE, O'Keefe RM, Uong TP, Cormier NR, Watkins MT. Effect of DNase I treatment and neutrophil depletion on acute limb ischemia-reperfusion injury in mice. J Vasc Surg 2015; 64:484-493. [PMID: 26704988 DOI: 10.1016/j.jvs.2015.01.031] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Accepted: 01/18/2015] [Indexed: 12/17/2022]
Abstract
OBJECTIVE Extracellular traps (ETs) consisting of DNA-protein complexes formed after tissue injury contribute to the inflammatory and thrombosis cascades, thereby exacerbating injury. Exogenous DNase I has been suggested as a therapeutic strategy to limit injury in the brain and myocardium. These studies were designed to evaluate the effects of exogenous DNase I treatment on skeletal muscle injury after acute hindlimb ischemia-reperfusion (IR) injury in mice and to determine whether neutrophils are a major source of ETs in postischemic muscle tissue. METHODS C57BL6 mice were subjected to 1.5 hours of tourniquet ischemia and 24 hours of reperfusion with and without human recombinant DNase I treatment. A separate set of mice was subjected to neutrophil depletion (ND), followed by the same intervals of IR. Laser Doppler imaging and tissue harvesting were done at 24 hours for assessment of limb perfusion, muscle fiber injury, adenosine triphosphate (ATP) level, markers of inflammation, thrombosis, and formation of ETs. RESULTS DNase I treatment significantly reduced detection of ETs in postischemic muscle but did not alter skeletal muscle fiber injury, levels of proinflammatory molecules, or ATP level. DNase I treatment did enhance postischemic hindlimb perfusion, decreased infiltrating inflammatory cells, and reduced the expression of thrombin-antithrombin III. ND resulted in a significant yet small reduction in ETs in the postischemic muscle. ND did not alter skeletal muscle fiber injury, hindlimb perfusion, or ATP levels. CONCLUSIONS These data suggest that neither DNase I treatment nor ND was protective against IR injury, even though both decreased detection of ETs in skeletal muscle after IR. Neutrophils are not the only source of ETs after IR.
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Affiliation(s)
- Hassan Albadawi
- Department of Surgery, Division of Vascular and Endovascular Surgery, Massachusetts General Hospital, Boston, Mass; Harvard Medical School, Boston, Mass.
| | - Rahmi Oklu
- Department of Radiology, Division of Vascular Imaging and Intervention, Massachusetts General Hospital, Boston, Mass; Harvard Medical School, Boston, Mass
| | - Rita Elise Raacke Malley
- Department of Surgery, Division of Vascular and Endovascular Surgery, Massachusetts General Hospital, Boston, Mass
| | - Ryan M O'Keefe
- Department of Surgery, Division of Vascular and Endovascular Surgery, Massachusetts General Hospital, Boston, Mass
| | - Thuy P Uong
- Department of Surgery, Division of Vascular and Endovascular Surgery, Massachusetts General Hospital, Boston, Mass
| | - Nicholas R Cormier
- Department of Surgery, Division of Vascular and Endovascular Surgery, Massachusetts General Hospital, Boston, Mass
| | - Michael T Watkins
- Department of Surgery, Division of Vascular and Endovascular Surgery, Massachusetts General Hospital, Boston, Mass; Harvard Medical School, Boston, Mass
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Rizo-Roca D, Ríos-Kristjánsson JG, Núñez-Espinosa C, Ascensão A, Magalhães J, Torrella JR, Pagès T, Viscor G. A semiquantitative scoring tool to evaluate eccentric exercise-induced muscle damage in trained rats. Eur J Histochem 2015; 59:2544. [PMID: 26708179 PMCID: PMC4698611 DOI: 10.4081/ejh.2015.2544] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Revised: 09/16/2015] [Accepted: 10/01/2015] [Indexed: 11/23/2022] Open
Abstract
Unaccustomed eccentric exercise is a well-documented cause of exercise-induced muscle damage. However, in trained subjects muscle injury involves only light or moderate tissue damage. Since trained rats are widely used as a model for skeletal muscle injury, here we propose a semiquantitative scoring tool to evaluate muscle damage in trained rats. Twenty male Sprague-Dawley rats were trained for two weeks following a two-week preconditioning period, and randomly divided into two groups: control rats (CTL; n=5) and rats with eccentric exercise-induced muscle damage (INJ; n=15). Injured rats were sacrificed at three time points: 1, 3 and 7 days post injury (n=5 each). Transverse sections from the right soleus were cut (10 µm) and stained with haematoxylin-eosin. Samples were evaluated by two groups of observers (four researchers experienced in skeletal muscle histopathology and four inexperienced) using the proposed tool, which consisted of six items organised in three domains: abnormal fibre morphology, necrotic/(re) degenerating fibres (muscle fibre domain), endomysial and perimysial infiltration (inflammatory state domain) and endomysium and perimysium distension (interstitial compartment domain). We observed the expected time course in the six evaluated items. Furthermore, agreement among observers was evaluated by measuring the Intraclass Correlation Coefficient (ICC). Within the experienced group, items from the muscle fibre and interstitial compartment domains showed good agreement and the two items from the infiltration compartment domain showed excellent agreement. In conclusion, the proposed tool allowed quick and correct evaluation of light to moderate muscle damage in trained rats with good agreement between observers.
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Salutary Effects of Cepharanthine against Skeletal Muscle and Kidney Injuries following Limb Ischemia/Reperfusion. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 2015:504061. [PMID: 26587045 PMCID: PMC4637479 DOI: 10.1155/2015/504061] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Revised: 09/21/2015] [Accepted: 10/07/2015] [Indexed: 11/18/2022]
Abstract
Limb ischemia/reperfusion (I/R) causes oxidation and inflammation and subsequently induces muscle and kidney injuries. Cepharanthine, a natural plant alkaloid, possesses anti-inflammatory and antioxidative properties. We elucidated the salutary effects of cepharanthine against muscle and kidney injuries following limb I/R. Adult male rats were randomized to receive I/R or I/R plus cepharanthine. I/R was achieved by applying tourniquet high around each thigh for 3 hours followed by reperfusion for 24 hours. Cepharanthine (10 mg/kg, intraperitoneal) was injected immediately before reperfusion. After euthanization, degrees of tissue injury, inflammation, and oxidation were examined. Our data revealed that the I/R group had significant increases in injury biomarker concentrations of muscle (creatine kinase and lactate dehydrogenase) and kidney (creatinine, neutrophil gelatinase-associated lipocalin, and kidney injury molecule-1). Histological assays revealed moderate muscle and kidney injury characteristics in the I/R group. The I/R group also had significant increases in concentrations of inflammatory molecules (interleukin-6, macrophage inflammatory protein-2, and prostaglandin E2) and reactive nitrogen species (nitric oxide) as well as lipid peroxidation (malondialdehyde). Of note, these effects of limb I/R could be mitigated by cepharanthine. These data confirmed that cepharanthine attenuated muscle and kidney injuries induced by limb I/R. The mechanisms may involve its anti-inflammatory and antioxidative capacities.
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Albadawi H, Oklu R, Milner JD, Uong TP, Yoo HJ, Austen WG, Watkins MT. Effect of limb demand ischemia on autophagy and morphology in mice. J Surg Res 2015; 198:515-24. [PMID: 25959834 DOI: 10.1016/j.jss.2015.04.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Revised: 02/19/2015] [Accepted: 04/02/2015] [Indexed: 01/21/2023]
Abstract
BACKGROUND Obesity is a major risk factor for diabetes and peripheral arterial disease, which frequently leads to lower limb demand ischemia. Skeletal muscle autophagy and mitochondrial biogenesis are important processes for proper oxidative capacity and energy metabolism, which are compromised in diabetes. This study compares autophagy, mitochondrial biogenesis, energy metabolism, and morphology in the hind limbs of obese diabetic mice subjected to demand or sedentary ischemia. MATERIALS AND METHODS Unilateral hind limb demand ischemia was created in a group of diet-induced obese mice after femoral artery ligation and 4 wk of daily exercise. A parallel group of mice underwent femoral artery ligation but remained sedentary for 4 wk. Hind limb muscles were analyzed for markers of autophagy, mitochondrial biogenesis, adenosine triphosphate, and muscle tissue morphology. RESULTS At the end of the 4-wk exercise period, demand ischemia increased the autophagy mediator Beclin-1, but it did not alter the autophagy indicator, LC3B-II/I ratio, or markers of mitochondrial biogenesis, optic atrophy/dynamin-related protein. In contrast, exercise significantly increased the level of mitochondrial protein-succinate dehydrogenase subunit-A and reduced adipocyte accumulation and the percentage of centrally nucleated myofibers in the demand ischemia limb. In addition, demand ischemia resulted in decreased uncoupling protein-3 levels without altering muscle adenosine triphosphate or pS473-Akt levels. CONCLUSIONS Limb demand ischemia markedly decreased adipocyte accumulation and enhanced muscle regeneration in obese mice, but it did not appear to enhance autophagy, mitochondrial biogenesis, energy metabolism, or insulin sensitivity. Future studies aimed at evaluating novel therapies that enhance autophagy and mitochondrial biogenesis in diabetes with peripheral arterial disease are warranted.
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Affiliation(s)
- Hassan Albadawi
- Division of Vascular and Endovascular Surgery, Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts.
| | - Rahmi Oklu
- Division of Vascular and Interventional Radiology, Department of Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - John D Milner
- Division of Vascular and Endovascular Surgery, Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Thuy P Uong
- Division of Vascular and Endovascular Surgery, Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Hyung-Jin Yoo
- Division of Vascular and Endovascular Surgery, Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - William G Austen
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Michael T Watkins
- Division of Vascular and Endovascular Surgery, Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
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Corona BT, Garg K, Roe JL, Zhu H, Park KH, Ma J, Walters TJ. Effect of recombinant human MG53 protein on tourniquet-induced ischemia-reperfusion injury in rat muscle. Muscle Nerve 2014; 49:919-21. [PMID: 24395153 DOI: 10.1002/mus.24160] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/30/2013] [Indexed: 11/09/2022]
Abstract
INTRODUCTION Skeletal muscle ischemia-reperfusion injury (I-R) is a complex injury process that includes damage to the sarcolemmal membrane, contributing to necrosis and apoptosis. MG53, a muscle-specific TRIM family protein, has been shown to be essential for regulating membrane repair and has been shown to be protective against cardiac I-R and various forms of skeletal muscle injury. The purpose of this study was to determine if recombinant human MG53 (rhMG53) administration offered protection against I-R. METHODS rhMG53 was administered to rats immediately before tourniquet-induced ischemia and again immediately before reperfusion. Two days later muscle damage was assessed histologically. RESULTS rhMG53 offered no protective effect, as evidenced primarily by similar Evans blue dye inclusion in the muscles of rats administered rhMG53 or saline. CONCLUSIONS Administration of rhMG53 does not offer protection against I-R in rat skeletal muscle. Additional studies are required to determine if the lack of a response is species-specific.
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Affiliation(s)
- Benjamin T Corona
- United States Army Institute of Surgical Research, Extremity Trauma and Regenerative Medicine, 3698 Chambers Pass, Fort Sam Houston, Texas, 78234
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Turóczi Z, Fülöp A, Lukáts Á, Garbaisz D, Lotz G, Harsányi L, Szijártó A. Postconditioning Protects Skeletal Muscle Against a Long-Lasting Vascular Occlusion. J INVEST SURG 2014; 27:282-90. [DOI: 10.3109/08941939.2014.916367] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Albadawi H, Oklu R, Cormier NR, O'Keefe RM, Heaton JT, Kobler JB, Austen WG, Watkins MT. Hind limb ischemia-reperfusion injury in diet-induced obese mice. J Surg Res 2014; 190:683-91. [PMID: 24655666 DOI: 10.1016/j.jss.2014.01.020] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2013] [Revised: 01/05/2014] [Accepted: 01/10/2014] [Indexed: 12/23/2022]
Abstract
BACKGROUND Obesity is a major risk factor for the development of diabetes. Limb ischemia-reperfusion injury (IR) is a common clinical problem in diabetics who have compromised lower extremity perfusion. This study compared the histologic, metabolic, and functional outcomes after hind limb IR in diet-induced obese (DIO) and non-diabetic (ND) mice during the acute and the regenerative phases of IR. METHODS DIO and ND mice were subjected to 1.5 h unilateral hind limb ischemia followed by 1- or 28-d IR. Muscle morphology, metabolic, and genomic stress were evaluated at days 1 and 28 IR; Acute inflammation and thrombosis were only measured at day-1 IR. At day 28, IR, skeletal muscle contractility, and maturation were also assessed. RESULTS At day-1 IR, similar levels of acute muscle fiber necrosis were seen in both groups. DIO mice demonstrated substantially greater inflammatory, prothrombotic, and genomic stress responses, which were also associated with a greater reduction in energy substrates and Akt phosphorylation. At 28d, there was no difference in the peak forces generated in the hind limbs for the two groups. DIO mice had reduced fatigue resistance compared with ND and larger areas of fat accumulation although there was no significant difference in muscle fiber maturation. CONCLUSIONS DIO mice had an exacerbated acute response to IR with enhanced metabolic deficit, fat accumulation, and defective functional recovery during the regenerative phase of IR. These changes in fatigue resistance reflect compromised functional recovery after IR injury and have relevance for the functional recovery of patients with metabolic syndrome and insulin resistance.
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Affiliation(s)
- Hassan Albadawi
- Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts; Division of Vascular and Endovascular Surgery, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts.
| | - Rahmi Oklu
- Division of Vascular Imaging and Intervention, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Nicholas R Cormier
- Division of Vascular and Endovascular Surgery, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Ryan M O'Keefe
- Division of Vascular and Endovascular Surgery, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - James T Heaton
- Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts; Center for Laryngeal Surgery and Voice Rehabilitation, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - James B Kobler
- Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts; Center for Laryngeal Surgery and Voice Rehabilitation, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - William G Austen
- Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts; Division of Plastic and Reconstructive Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Michael T Watkins
- Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts; Division of Vascular and Endovascular Surgery, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
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Poly-ADP-ribose-polymerase inhibition ameliorates hind limb ischemia reperfusion injury in a murine model of type 2 diabetes. Ann Surg 2014; 258:1087-95. [PMID: 23549425 DOI: 10.1097/sla.0b013e31828cced3] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Diabetes is known to increase poly-ADP-ribose-polymerase (PARP) activity and posttranslational poly-ADP-ribosylation of several regulatory proteins involved in inflammation and energy metabolism. These experiments test the hypothesis that PARP inhibition will modulate hind limb ischemia reperfusion (IR) in a mouse model of type-II diabetes and ameliorate the ribosylation and the activity/transnuclear localization of the key glycolytic enzyme glyceraldehyde-3-phosphate dehydrogenase (GAPDH). METHODS db/db mice underwent 1.5 hours of hind limb ischemia followed by 1, 7, or 24 hours of reperfusion. The treatment group received the PARP inhibitor PJ34 (PJ34) over a 24-hour period; the untreated group received Lactated Ringer (LR) at the same time points. IR muscles were analyzed for indices of PARP activity, fiber injury, metabolic activity, inflammation, GAPDH activity/intracellular localization, and poly-ADP-ribosylation of GAPDH. RESULTS PARP activity was significantly lower in the PJ34-treated groups than in the Lactated Ringer group at 7 and 24 hours of reperfusion. There was significantly less muscle fiber injury in the PJ34-treated group than in the Lactated Ringer-treated mice at 24 hours of reperfusion. PJ34 lowered levels of select proinflammatory molecules at 7 hours and 24 hours of IR. There were significant increases in metabolic activity only at 24 hours of IR in the PJ34 group, which temporally correlated with increase in GAPDH activity, decreased GAPDH poly-ADP-ribosylation, and nuclear translocation of GAPDH. CONCLUSIONS PJ34 reduced PARP activity, GAPDH ribosylation, and GAPDH translocation; ameliorated muscle fiber injury; and increased metabolic activity after hind limb IR injury in a murine model of type-II diabetes. PARP inhibition might be a therapeutic strategy after IR in diabetic humans.
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Oklu R, Albadawi H, Jones JE, Yoo HJ, Watkins MT. Reduced hind limb ischemia-reperfusion injury in Toll-like receptor-4 mutant mice is associated with decreased neutrophil extracellular traps. J Vasc Surg 2013; 58:1627-36. [PMID: 23683381 DOI: 10.1016/j.jvs.2013.02.241] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2012] [Revised: 02/13/2013] [Accepted: 02/21/2013] [Indexed: 01/04/2023]
Abstract
OBJECTIVE Ischemia-reperfusion (IR) injury is a significant problem in the management of patients with acute limb ischemia. Despite rapid restoration of blood flow after technically successful open and endovascular revascularization, complications secondary to IR injury continue to occur and limit clinical success. Our aim was to create a murine model of hind limb IR injury to examine the role of Toll-like receptor-4 (TLR4) and to determine whether inactive TLR4 led to a decrease in the detection of neutrophil extracellular traps (NETs), which are known to be highly thrombogenic and may mediate microvascular injury. METHODS A calibrated tension tourniquet was applied to unilateral hind limb of wild-type (WT) and TLR4 receptor mutant (TLR4m) mice for 1.5 hours to induce ischemia and then removed to initiate reperfusion. At the end of 48 hours of reperfusion, mice were euthanized and hind limb tissue and serum specimens were collected for analysis. Hematoxylin and eosin-stained sections of hind limb skeletal muscle tissue were examined for fiber injury. For immunohistochemistry, mouse monoclonal antihistone H2A/H2B/DNA complex antibody to detect NETs and rabbit polyclonal antimyeloperoxidase antibody were used to identify infiltrating cells containing myeloperoxidase. Muscle adenosine triphosphate levels, nuclear factor (NF)-κB activity, the α-subunit of inhibitor of NF-κB light polypeptide gene enhancer, poly (adenosine diphosphate-ribose) polymerase activity, and inducible nitric oxide synthase expression were measured. Systemic levels of keratinocyte-derived chemokine, monocyte chemotactic protein-1, and vascular endothelial growth factor in the serum samples were also examined. RESULTS IR injury in the hind limb of WT mice demonstrated significant levels of muscle fiber injury, decreased energy substrates, increased NF-κB activation, decreased levels of α-subunit of inhibitor of NF-κB light polypeptide gene enhancer, increased inducible nitric oxide synthase expression, and increased poly (adenosine diphosphate-ribose) polymerase activity levels compared with the TLR4m samples. Additionally, there was marked decrease in the level of neutrophil and monocyte infiltration in the TLR4m mice, which corresponded to similar levels of decreased NET detection in the interstitial space and in microvascular thrombi. In situ nuclease treatment of WT tissue sections significantly diminished the level of NET immunostaining, demonstrating the specificity of the antibody to detect NETs and suggesting a potential role for nuclease treatment in IR injury. CONCLUSIONS These results suggest a pivotal role for TLR4 in mediating hind limb IR injury and suggest that NETs may contribute to muscle fiber injury.
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Affiliation(s)
- Rahmi Oklu
- Division of Vascular Imaging and Intervention, Harvard Medical School, Massachusetts General Hospital, Boston, Mass
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Uemura T, Tsujii M, Akeda K, Iino T, Satonaka H, Hasegawa M, Sudo A. Transfection of nuclear factor-kappaB decoy oligodeoxynucleotide protects against ischemia/reperfusion injury in a rat epigastric flap model. J Gene Med 2013; 14:623-31. [PMID: 23080520 DOI: 10.1002/jgm.2677] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2012] [Revised: 10/15/2012] [Accepted: 10/16/2012] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND Nuclear factor-kappaB (NF-κB) is considered to play an important role in the response to ischemia/reperfusion (I/R) injury in flap surgery. To inhibit NF-κB, synthetic double-stranded oligodeoxynucleotide (ODN) was used as a decoy. The present study aimed to evaluate the suppressive effects of NF-κB against I/R injury of experimental rat flap model. METHODS An extended epigastric island flap was raised and ischemia was induced for 3 h. NF-κB decoy ODN (group D) or single-strand ODN (control; group S) was injected via the contralateral artery when the pedicle was clamped. Transfection efficiency was evaluated with fluorescein isothiocyanate (FITC)-labeled ODN. The effects of NF-κB decoy ODN were analyzed in groups D and S, and an untreated group (group N). RESULTS FITC-labeled ODN was distributed over the entire flap. Mean survival rate of the flap was significantly higher in group D than in the other groups (group D: 57.9%; group S: 31.1%; group N 31.7%; p < 0.005). Injured muscle fibers, neutrophils and the expression of inducible nitric oxide synthase were significantly lower in group D. A real-time polymerase chain reaction also demonstrated a tendency for suppression of tumor necrosis factor-α, interleukin (IL)-1β and IL-6. CONCLUSIONS We show that NF-κB decoy ODN protected against flap necrosis as a result of I/R injury in rats. We also indicate that intra-arterial injection of naked NF-κB decoy ODN is effective for transfection into target organs. Therefore, transfection of NF-κB decoy ODN represents a novel therapeutic strategy for the treatment of flap surgery in I/R injury.
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Affiliation(s)
- Takeshi Uemura
- Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, Tsu City, Japan
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Hori K, Tsujii M, Iino T, Satonaka H, Uemura T, Akeda K, Hasegawa M, Uchida A, Sudo A. Protective effect of edaravone for tourniquet-induced ischemia-reperfusion injury on skeletal muscle in murine hindlimb. BMC Musculoskelet Disord 2013; 14:113. [PMID: 23530927 PMCID: PMC3614524 DOI: 10.1186/1471-2474-14-113] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2012] [Accepted: 03/21/2013] [Indexed: 11/15/2022] Open
Abstract
Background Studies have shown that ischemia-reperfusion (I/R) produces free radicals leading to lipid peroxidation and damage to skeletal muscle. The purposes of this study were 1) to assess the histological findings of gastrocnemius muscle (GC) and tibialis anterior muscle (TA) in I/R injury model mice, 2) to histologically analyze whether a single pretreatment of edaravone inhibits I/R injury to skeletal muscle in murine models and 3) to evaluate the effect of oxidative stress on these muscles. Methods C57BL6 mice were divided in two groups, with one group receiving 3 mg/kg intraperitoneal injections of edaravone (I/R + Ed group) and the other group receiving an identical amount of saline (I/R group) 30 minutes before ischemia. Edaravone (3-methy-1-pheny1-2-pyrazolin-5-one) is a potent and novel synthetic scavenger of free radicals. This drug inhibits both nonenzymatic lipid peroxidation and the lipoxygenase pathway, in addition to having potent antioxidant effects against ischemia reperfusion. The duration of the ischemia was 1.5 hours, with reperfusion at either 24 or 72 hours (3 days). Specimens of gastrocnemius (GC) and anterior tibialis (TA) were removed for histological evaluation and biochemical analysis. Results This model of I/R injury was highly reproducible in histologic muscle damage. In the histologic damage score, the mean muscle fibers and inflammatory cell infiltration in the I/R + Ed group were significantly less than the corresponding values of observed in the I/R group. Thus, pretreatment with edaravone was observed to have a protective effect on muscle damage after a period of I/R in mice. In addition, the mean muscle injury score in the I/R + Ed group was also significantly less than the I/R group. In the I/R + Ed group, the mean malondialdehyde (MDA) level was lower than in the I/R group and western-blotting revealed that edaravone pretreatment decreased the level of inducible nitric oxide synthase (iNOS) expression. Conclusions Edaravone was found to have a protective effect against I/R injury by directly inhibiting lipid peroxidation of the myocyte by free radicals in skeletal muscles and may also reduce the secondary edema and inflammatory infiltration incidence of oxidative stress on tissue.
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Affiliation(s)
- Kazuichiro Hori
- Department of Orthopaedic Surgery, Graduate School of Medicine Mie University, 2-174 Edobashi, Tsu city, Mie prefecture 514-8507, Japan
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Crawford RS, Albadawi H, Robaldo A, Peck MA, Abularrage CJ, Yoo HJ, Lamuraglia GM, Watkins MT. Divergent systemic and local inflammatory response to hind limb demand ischemia in wild-type and ApoE-/- mice. J Surg Res 2013; 183:952-62. [PMID: 23528286 DOI: 10.1016/j.jss.2013.02.042] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2013] [Revised: 02/18/2013] [Accepted: 02/20/2013] [Indexed: 12/18/2022]
Abstract
BACKGROUND We designed studies to determine whether the ApoE-/- phenotype modulates the local skeletal muscle and systemic inflammatory (plasma) responses to lower extremity demand ischemia. The ApoE-/- phenotype is an experimental model for atherosclerosis in humans. METHODS Aged female ApoE-/- and C57BL6 mice underwent femoral artery ligation, then were divided into sedentary and demand ischemia (exercise) groups on day 14. We assessed baseline and postexercise limb perfusion and hind limb function. On day 14, animals in the demand ischemia group underwent daily treadmill exercise through day 28. Sedentary mice were not exercised. On day 28, we harvested plasma and skeletal muscle from ischemic limbs from sedentary and exercised mice. We assayed muscle for angiogenic and proinflammatory proteins, markers of skeletal muscle regeneration, and evidence of skeletal muscle fiber maturation. RESULTS Hind limb ischemia was similar in ApoE-/- and C57 mice before the onset of exercise. Under sedentary conditions, plasma vascular endothelial cell growth factor and interleukin-6, but not keratinocyte chemoattractant factor (KC) or macrophage inflammatory protein-2 (MIP-2), were higher in ApoE (P < 0.0001). After exercise, plasma levels of vascular endothelial cell growth factor, KC, and MIP-2, but not IL-6, were lower in ApoE (P < 0.004). The cytokines KC and MIP-2 in muscle were greater in exercised ApoE-/- mice compared with C57BL6 mice (P = 0.01). Increased poly-ADP-ribose activity and mature muscle regeneration were associated with demand ischemia in the C57BL6 mice, compared with the ApoE-/- mice (P = 0.01). CONCLUSIONS Demand limb ischemia in the ApoE-/- phenotype exacerbated the expression of select systemic cytokines in plasma and blunted indices of muscle regeneration.
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Affiliation(s)
- Robert S Crawford
- Division of Vascular and Endovascular Surgery, Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
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Eardley WGP, Martin KR, Taylor C, Kirkman E, Clasper JC, Watts SA. The Development of an Experimental Model of Contaminated Muscle Injury in Rabbits. INT J LOW EXTR WOUND 2012; 11:254-63. [DOI: 10.1177/1534734612465623] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Extent of tissue trauma and contamination determine outcome in extremity injury. In contrast to fracture, osteomyelitis, and closed muscle injury studies, there are limited small animal models of extremity muscle trauma and contamination. To address this we developed a model of contaminated muscle injury in rabbits. Twenty-eight anesthetized New Zealand White rabbits underwent open controlled injury of the flexor carpi ulnaris (FCU). Twenty-two animals had subsequent contamination of the injured muscle with Staphylococcus aureus. All animals were sacrificed at 48 hours and the level of muscle injury and contamination determined by quantitative histological and microbiological analysis. A 1-kg mass dropped 300 mm onto the mobilized FCU resulted in localized necrosis of the muscle belly. Delivery of a mean challenge of 3.71 × 106 cfu/100 µL S aureus by droplet spread onto the injured muscle produced a muscle contamination of 8.79 × 106 cfu/g at 48 hours. Ipsilateral axillary lymph nodes demonstrated clinically significant activation. All animals had normal body temperature and hematological parameters throughout and blood and urinalysis culture at autopsy were negative for organisms. This model allows reproducible muscle injury and contamination with the organism ubiquitous to extremity wound infection at a level sufficient to allow quantitative assessment of subsequent wound care interventions without incurring systemic involvement.
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Affiliation(s)
| | - Kevin R. Martin
- Defence Science and Technology Laboratory, Salisbury, Wiltshire, UK
| | - Chris Taylor
- Defence Science and Technology Laboratory, Salisbury, Wiltshire, UK
| | - Emrys Kirkman
- Defence Science and Technology Laboratory, Salisbury, Wiltshire, UK
| | | | - Sarah A. Watts
- Defence Science and Technology Laboratory, Salisbury, Wiltshire, UK
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Smeele KM, Eerbeek O, Schaart G, Koeman A, Bezemer R, Nelson JK, Ince C, Nederlof R, Boek M, Laakso M, de Haan A, Drost MR, Hollmann MW, Zuurbier CJ. Reduced hexokinase II impairs muscle function 2 wk after ischemia-reperfusion through increased cell necrosis and fibrosis. J Appl Physiol (1985) 2012; 113:608-18. [PMID: 22723631 DOI: 10.1152/japplphysiol.01494.2011] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
We previously demonstrated that hexokinase (HK) II plays a key role in the pathophysiology of ischemia-reperfusion (I/R) injury of the heart (Smeele et al. Circ Res 108: 1165-1169, 2011; Wu et al. Circ Res 108: 60-69, 2011). However, it is unknown whether HKII also plays a key role in I/R injury and healing thereafter in skeletal muscle, and if so, through which mechanisms. We used male wild-type (WT) and heterozygous HKII knockout mice (HKII(+/-)) and performed in vivo unilateral skeletal muscle I/R, executed by 90 min hindlimb occlusion using orthodontic rubber bands followed by 1 h, 1 day, or 14 days reperfusion. The contralateral (CON) limb was used as internal control. No difference was observed in muscle glycogen turnover between genotypes at 1 h reperfusion. At 1 day reperfusion, the model resulted in 36% initial cell necrosis in WT gastrocnemius medialis (GM) muscle that was doubled (76% cell necrosis) in the HKII(+/-) mice. I/R-induced apoptosis (29%) was similar between genotypes. HKII reduction eliminated I/R-induced mitochondrial Bax translocation and oxidative stress at 1 day reperfusion. At 14 days recovery, the tetanic force deficit of the reperfused GM (relative to control GM) was 35% for WT, which was doubled (70%) in HKII(+/-) mice, mirroring the initial damage observed for these muscles. I/R increased muscle fatigue resistance equally in GM of both genotypes. The number of regenerating fibers in WT muscle (17%) was also approximately doubled in HKII(+/-) I/R muscle (44%), thus again mirroring the increased cell death in HKII(+/-) mice at day 1 and suggesting that HKII does not significantly affect muscle regeneration capacity. Reduced HKII was also associated with doubling of I/R-induced fibrosis. In conclusion, reduced muscle HKII protein content results in impaired muscle functionality during recovery from I/R. The impaired recovery seems to be mainly a result of a greater susceptibility of HKII(+/-) mice to the initial I/R-induced necrosis (not apoptosis), and not a HKII-related deficiency in muscle regeneration.
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Affiliation(s)
- Kirsten M Smeele
- Laboratory of Experimental Intensive Care and Anesthesiology, Department of Anesthesiology, Academic Medical Center, Amsterdam, The Netherlands
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Inhalation of carbon monoxide reduces skeletal muscle injury after hind limb ischemia-reperfusion injury in mice. Am J Surg 2012; 203:488-95. [PMID: 22450026 DOI: 10.1016/j.amjsurg.2011.05.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2010] [Revised: 05/24/2011] [Accepted: 05/24/2011] [Indexed: 12/15/2022]
Abstract
BACKGROUND The purpose of this study was to determine if inhaled carbon monoxide (CO) can ameliorate skeletal muscle injury, modulate endogenous heme oxygenase-1 expression, and improve indexes of tissue integrity and inflammation after hind limb ischemia reperfusion. METHODS C57BL6 mice inhaling CO (250 ppm) or room air were subjected to 1.5 hours of ischemia followed by limb reperfusion for either 3 or 6 hours (total treatment time, 4.5 or 7.5 h). After the initial period of reperfusion, all mice breathed only room air until 24 hours after the onset of ischemia. Mice were killed at either the end of CO treatment or at 24 hours' reperfusion. Skeletal muscle was subjected to histologic and biochemical analysis. RESULTS CO treatment for 7.5 hours protected skeletal muscle from histologic and structural evidence of skeletal muscle injury. Serum and tissue cytokines were reduced significantly (P < .05) in mice treated with CO for 7.5 hours. Tubulin, heme oxygenase, and adenosine triphosphate levels were higher in CO-treated mice. CONCLUSIONS Inhaled CO protected muscle from structural injury and energy depletion after ischemia reperfusion.
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Henderson PW, Jimenez N, Ruffino J, Sohn AM, Weinstein AL, Krijgh DD, Reiffel AJ, Spector JA. Therapeutic delivery of hydrogen sulfide for salvage of ischemic skeletal muscle after the onset of critical ischemia. J Vasc Surg 2011; 53:785-91. [DOI: 10.1016/j.jvs.2010.10.094] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2010] [Revised: 10/14/2010] [Accepted: 10/16/2010] [Indexed: 11/30/2022]
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Postischemic treatment with ethyl pyruvate prevents adenosine triphosphate depletion, ameliorates inflammation, and decreases thrombosis in a murine model of hind-limb ischemia and reperfusion. ACTA ACUST UNITED AC 2011; 70:103-10; discussion 110. [PMID: 21217488 DOI: 10.1097/ta.0b013e3182031ccb] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Experiments were designed to investigate the effects of ethyl pyruvate (EP) in a murine model of hind-limb ischemia-reperfusion (IR) injury. METHODS C57BL6 mice underwent 90 minutes of unilateral ischemia followed by 24 hours of reperfusion using two treatment protocols. For the preischemic treatment (pre-I) protocol, mice (n=6) were given 300 mg/kg EP before ischemia, followed by 150 mg/kg of EP just before reperfusion and at 6 hours and 12 hours after reperfusion. In a postischemic treatment (post-I) protocol, mice (n=7) were treated with 300 mg/kg EP at the end of the ischemic period, then 15 minutes later, and 2 hours after reperfusion and 150 mg/kg of EP at 4 hours, 6 hours, 10 hours, 16 hours, and 22 hours after reperfusion. Controls mice for both protocols were treated with lactated Ringers alone at time intervals identical to EP. Skeletal muscle levels of adenosine triphosphate (ATP), interleukin-1β, keratinocyte chemoattractant protein, and thrombin antithrombin-3 complex were measured. Skeletal muscle architectural integrity was assessed microscopically. RESULTS ATP levels were higher in mice treated with EP compared with controls under the both treatment protocols (p=0.02). Interleukin-1β, keratinocyte chemoattractant protein, thrombin antithrombin-3 complex (p<0.05), and the percentage of injured fibers (p<0.0001) were significantly decreased in treated versus control mice under the both protocols. CONCLUSION Muscle fiber injury and markers of tissue thrombosis and inflammation were reduced, and ATP was preserved with EP in pre-I and post-I protocols. Further investigation of the efficacy of EP to modulate IR injury in a larger animal model of IR injury is warranted.
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