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Molecular Mechanisms and Treatment of Ischemia–Reperfusion Injury

A special issue of Current Issues in Molecular Biology (ISSN 1467-3045). This special issue belongs to the section "Molecular Medicine".

Deadline for manuscript submissions: 30 September 2024 | Viewed by 2897

Special Issue Editor


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Guest Editor
Department of Clinical Dietetics and Human Nutrition, Faculty of Pharmaceutical Science, Josai University, 1-1 Keyakidai, Sakado 350-0295, Japan
Interests: nitric oxide; nitrate/nitrite; crush syndrome; ischemia/reperfusion injury; reactive oxygen species
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Special Issue Information

Dear Colleagues,

Ischemia–reperfusion (I/R) injury is caused by a temporary restriction of blood supply to a particular organ, such as the heart, brain, kidney, liver and skeletal muscle. Subsequent reperfusion to these hypoxic or anoxic organs causes organ dysfunction and tissue cell death, sometimes leading to systemic circulatory shock. Although the organ type, as well as magnitude and duration of the interruption in the blood supply are critical determinants of whether the organ becomes necrotic or not, organ damage is essentially caused by oxidative stress following reperfusion, which induces cell membrane lipid peroxidation, mitochondrial dysfunction and subsequent inflammatory responses, such as neutrophil activation and the release of reactive oxygen species and other inflammatory mediators, including adhesion molecules and various cytokines. Effective pharmacological agents and methods to combat I/R injury have recently been developed. Nevertheless, we are far from establishing the treatment for this disease. I, therefore, look forward to fruitful discussions on this theme, particularly from the standpoint of molecular biology, and call for original articles and reviews focusing on the pathophysiology of I/R injury, development of animal models, and development of new pharmacological and interventional strategies. This Special Issue will provide a key resource to the readers of CIMB, including new findings related to I/R injury with the potential to lead to novel treatment strategies. 

Prof. Dr. Jun Kobayashi
Guest Editor

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Keywords

  • ischemia–reperfusion injury
  • myocardial infarction
  • cerebral infarction
  • renal infarction
  • crush syndrome
  • oxidative stress
  • reactive oxygen species

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Published Papers (4 papers)

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Research

11 pages, 1993 KiB  
Article
The Role of Mannitol and Vitamin D in Ovarian Ischemia/Reperfusion Injury in Rats with Acute Abdominal
by Faruk Karateke, Atilla Karateke, Basak Topdagi, Merve Atilgan and Recep Dokuyucu
Curr. Issues Mol. Biol. 2024, 46(8), 8903-8913; https://doi.org/10.3390/cimb46080526 - 15 Aug 2024
Viewed by 743
Abstract
This study was designed to investigate the effects of vitamin D and mannitol in an experimental rat ovarian torsion model. Thirty-two female Wistar albino rats were randomly classified as group 1: (sham), group 2: (detorsion), group 3: (detorsion + mannitol), group 4: (detorsion [...] Read more.
This study was designed to investigate the effects of vitamin D and mannitol in an experimental rat ovarian torsion model. Thirty-two female Wistar albino rats were randomly classified as group 1: (sham), group 2: (detorsion), group 3: (detorsion + mannitol), group 4: (detorsion + vitamin D) and group 5: (detorsion + mannitol + vitamin D) (for each group n = 8). All groups were subjected to bilateral adnexal torsion for 2 h except for group 1. Bilateral adnexal detorsion was performed in all groups except for group 1. Groups 3 and 5 intraperitoneally received the injection of mannitol at a dose of 0.3 mg/kg 30 min before detorsion. Also, the group’s 4 and 5 orally received vitamin D in a dose of 500 IU/kg/day for two weeks before torsion. Total oxidant status (TOS), total antioxidant status (TAS), oxidative stress index (OSI) and proliferating cell nuclear antigen (PCNA) levels were analyzed. According to the histopathological analyses, ovarian tissue damage and follicle counting were evaluated. TOS, OSI and histopathologic score values of ovarian tissue were significantly lower in group 5 than groups 2, 3 and 4 (p < 0.05). The PCNA level was significantly higher in group 5 than in groups 2, 3 and 4 (p < 0.05). A strong negative correlation was found between OSI and PCNA in groups 2, 3, 4 and 5 (r = −0.92, p = 0.01; r = −0.98, p < 0.0001; r = −0.98, p < 0.0001 and r = −0.96, p = 0.0002, respectively). The numbers of primordial follicles in group 5 (p < 0.001) and primary follicles in group 4 (p < 0.001) were significantly higher when compared to group 2. Based on the results of this study, it could be suggested that combination treatment of mannitol with vitamin D is more effective in reversing tissue damage induced by ischemia–reperfusion (I/R) injury in the ovarian torsion model than administration of only an agent. Full article
(This article belongs to the Special Issue Molecular Mechanisms and Treatment of Ischemia–Reperfusion Injury)
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16 pages, 6733 KiB  
Article
The Combined Delivery of the Vegf, Ang, and Gdnf Genes Stimulates Angiogenesis and Improves Post-Ischemic Innervation and Regeneration in Skeletal Muscle
by Igor Valerievich Samatoshenkov, Alexander Maazovich Aimaletdinov, Elena Yurievna Zakirova, Yuri Alexandrovich Chelyshev, Julia Maratovna Samatoshenkova, Marat Salimovich Kadyrov, Evgeny Alekseevich Kniazev, Bulat Ilgamovich Salakhov and Yana Olegovna Mukhamedshina
Curr. Issues Mol. Biol. 2024, 46(8), 8611-8626; https://doi.org/10.3390/cimb46080507 - 5 Aug 2024
Viewed by 586
Abstract
In this study, the effects of different combinations of the genes Vegf, Ang, and Gdnf injected both using direct virus-mediated injection (adenovirus, Ad5) and umbilical cord blood mononuclear cells (UCBCs) on the processes of stimulation of post-ischemic innervation, angiogenesis, and regeneration [...] Read more.
In this study, the effects of different combinations of the genes Vegf, Ang, and Gdnf injected both using direct virus-mediated injection (adenovirus, Ad5) and umbilical cord blood mononuclear cells (UCBCs) on the processes of stimulation of post-ischemic innervation, angiogenesis, and regeneration in skeletal muscle were investigated in a rat hindlimb chronic ischemia model. It was shown that more pronounced stimulation of angiogenesis and restoration of post-ischemic innervation were achieved both in the early (28 days post-ischemia, dpi) and late (42 dpi) terms of the experiment in the calf muscle when UCBCs delivered the combination of Ad5-Vegf and Ad5-Ang compared to the direct injection of the same vector combination into the area of ischemia. At the same time, the inclusion of Ad5-Gdnf in the combination of Ad5-Vegf and Ad5-Ang directly injected or administered by UCBCs provided a significant increase in the number of centronuclear muscle fibers, indicating stimulation of post-ischemic reparative myogenesis. This study allowed us to determine the most effective gene combinations for angiogenesis and neurogenesis, which, in the future, may serve as the basis for the development of gene and gene cell products for the treatment of chronic lower limb ischemia. Full article
(This article belongs to the Special Issue Molecular Mechanisms and Treatment of Ischemia–Reperfusion Injury)
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13 pages, 11373 KiB  
Article
Skimmianine Showed Neuroprotection against Cerebral Ischemia/Reperfusion Injury
by Hayat Ayaz, Fırat Aşır and Tuğcan Korak
Curr. Issues Mol. Biol. 2024, 46(7), 7373-7385; https://doi.org/10.3390/cimb46070437 - 12 Jul 2024
Viewed by 540
Abstract
The aim of this study was to investigate the antioxidant and anti-inflammatory effects of skimmianine on cerebral ischemia–reperfusion (IR) injury. Twenty-four female Wistar albino rats were randomly divided into three groups: Sham, Ischemia–Reperfusion (IR), and IR + Skimmianine (40 mg/kg Skimmianine). Cerebral ischemia [...] Read more.
The aim of this study was to investigate the antioxidant and anti-inflammatory effects of skimmianine on cerebral ischemia–reperfusion (IR) injury. Twenty-four female Wistar albino rats were randomly divided into three groups: Sham, Ischemia–Reperfusion (IR), and IR + Skimmianine (40 mg/kg Skimmianine). Cerebral ischemia was induced using a monofilament nylon suture to occlude the middle cerebral artery for 60 min. Following 23 h of reperfusion, the animals were sacrificed 14 days later. The effects of skimmianine on brain tissue post-IR injury were examined through biochemical and immunochemical analyses. In silico analysis using the Enrichr platform explored skimmianine’s potential biological processes involving IBA-1, IL-6, and NF-κB proteins. In the IR group, MDA levels increased, while SOD and CAT antioxidant enzyme activities decreased. In the IR + Skimmianine group, skimmianine treatment resulted in decreased MDA levels and increased SOD and CAT activities. Significant increases in IBA-1 expression were observed in the IR group, which skimmianine treatment significantly reduced, modulating microglial activation. High levels of IL-6 expression were noted in pyramidal neurons, vascular structures, and neuroglial cells in the IR group; skimmianine treatment reduced IL-6 expression, demonstrating anti-inflammatory effects. Increased NF-κB expression was observed in neurons and blood vessels in the gray and white matter in the IR group; skimmianine treatment reduced NF-κB expression. Gene Ontology results suggest skimmianine impacts immune and inflammatory responses via IBA-1 and IL-6, with potential effects on estrogen mechanisms mediated by NF-κB. Skimmianine may be a potential therapeutic strategy due to its antioxidant and anti-inflammatory effects on cerebral IR injury. Full article
(This article belongs to the Special Issue Molecular Mechanisms and Treatment of Ischemia–Reperfusion Injury)
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20 pages, 2641 KiB  
Article
The Autophagic and Apoptotic Death of Forebrain Neurons of Rats with Global Brain Ischemia Is Diminished by the Intranasal Administration of Insulin: Possible Mechanism of Its Action
by Irina O. Zakharova, Liubov V. Bayunova, Daria K. Avrova, Alina D. Tretyakova, Alexander O. Shpakov and Natalia F. Avrova
Curr. Issues Mol. Biol. 2024, 46(7), 6580-6599; https://doi.org/10.3390/cimb46070392 - 27 Jun 2024
Viewed by 485
Abstract
Insulin is a promising neuroprotector. To better understand the mechanism of insulin action, it was important to show its ability to diminish autophagic neuronal death in animals with brain ischemic and reperfusion injury. In forebrain ischemia and reperfusion, the number of live neurons [...] Read more.
Insulin is a promising neuroprotector. To better understand the mechanism of insulin action, it was important to show its ability to diminish autophagic neuronal death in animals with brain ischemic and reperfusion injury. In forebrain ischemia and reperfusion, the number of live neurons in the hippocampal CA1 region and frontal cortex of rats decreased to a large extent. Intracerebroventricular administration of the autophagy and apoptosis inhibitors to ischemic rats significantly increased the number of live neurons and showed that the main part of neurons died from autophagy and apoptosis. Intranasal administration of 0.5 IU of insulin per rat (before ischemia and daily during reperfusion) increased the number of live neurons in the hippocampal CA1 region and frontal brain cortex. In addition, insulin significantly diminished the level of autophagic marker LC3B-II in these forebrain regions, which markedly increased during ischemia and reperfusion. Our studies demonstrated for the first time the ability of insulin to decrease autophagic neuronal death, caused by brain ischemia and reperfusion. Insulin administered intranasally activated the Akt-kinase (activating the mTORC1 complex, which inhibits autophagy) and inhibited the AMP-activated protein kinase (which activates autophagy) in the hippocampus and frontal cortex of rats with brain ischemia and reperfusion. Full article
(This article belongs to the Special Issue Molecular Mechanisms and Treatment of Ischemia–Reperfusion Injury)
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