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Wang L, Liu Y, Zhang X, Ye Y, Xiong X, Zhang S, Gu L, Jian Z, Wang H. Endoplasmic Reticulum Stress and the Unfolded Protein Response in Cerebral Ischemia/Reperfusion Injury. Front Cell Neurosci 2022; 16:864426. [PMID: 35602556 PMCID: PMC9114642 DOI: 10.3389/fncel.2022.864426] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/07/2022] [Indexed: 12/15/2022] Open
Abstract
Ischemic stroke is an acute cerebrovascular disease characterized by sudden interruption of blood flow in a certain part of the brain, leading to serious disability and death. At present, treatment methods for ischemic stroke are limited to thrombolysis or thrombus removal, but the treatment window is very narrow. However, recovery of cerebral blood circulation further causes cerebral ischemia/reperfusion injury (CIRI). The endoplasmic reticulum (ER) plays an important role in protein secretion, membrane protein folding, transportation, and maintenance of intracellular calcium homeostasis. Endoplasmic reticulum stress (ERS) plays a crucial role in cerebral ischemia pathophysiology. Mild ERS helps improve cell tolerance and restore cell homeostasis; however, excessive or long-term ERS causes apoptotic pathway activation. Specifically, the protein kinase R-like endoplasmic reticulum kinase (PERK), activating transcription factor 6 (ATF6), and inositol-requiring enzyme 1 (IRE1) pathways are significantly activated following initiation of the unfolded protein response (UPR). CIRI-induced apoptosis leads to nerve cell death, which ultimately aggravates neurological deficits in patients. Therefore, it is necessary and important to comprehensively explore the mechanism of ERS in CIRI to identify methods for preserving brain cells and neuronal function after ischemia.
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Affiliation(s)
- Lei Wang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yan Liu
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xu Zhang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yingze Ye
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiaoxing Xiong
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Shudi Zhang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lijuan Gu
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhihong Jian
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
- Zhihong Jian,
| | - Hongfa Wang
- Rehabilitation Medicine Center, Department of Anesthesiology, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital, Hangzhou Medical College, Hangzhou, China
- *Correspondence: Hongfa Wang,
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Gao HL, Yu XJ, Zhang Y, Wang CL, Lei YM, Yu JY, Zong DM, Liu KL, Zhang DD, Li Y, Tian H, Zhang NP, Kang YM. Astaxanthin Ameliorates Blood Pressure in Salt-Induced Prehypertensive Rats Through ROS/MAPK/NF-κB Pathways in the Hypothalamic Paraventricular Nucleus. Cardiovasc Toxicol 2021; 21:1045-1057. [PMID: 34537923 DOI: 10.1007/s12012-021-09695-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 09/08/2021] [Indexed: 10/20/2022]
Abstract
Astaxanthin (AST) has a variety of biochemical effects, including anti-inflammatory, antioxidative, and antihypertensive functions. The aim of the present study was to determine whether AST ameliorates blood pressure in salt-induced prehypertensive rats by ROS/MAPK/NF-κB pathways in hypothalamic paraventricular nucleus.To explore the central effects of AST on the development of blood pressure, prehypertensive rats were induced by a high-salt diet (HS, 8% NaCl) and its control groups were treated with normal-salt diet (NS, 0.3% NaCl). The Dahl salt-sensitive (S) rats with HS diet for 6 weeks received AST or vehicle by gastric perfusion for 6 weeks. Compared to those with NS diet, rats with HS diet exhibited increased mean arterial pressure (MAP) and heart rate (HR). These increases were associated with higher plasma level of norepinephrine (NE), interleukin 1β (IL-1β), and interleukin 6 (IL-6); elevated PVN level of reactive oxygen species (ROS), NOX2, and NOX4, that of IL-1β, IL-6, monocyte chemotactic protein 1 (MCP-1), tyrosine hydroxylase (TH), phosphorylation extracellular-signal-regulated kinase (p-ERK1/2), phosphorylation Jun N-terminal kinases (p-JNK), nuclear factor-kappa B (NF-κB) activity; and lower levels of IL-10, superoxide dismutase (SOD), and catalase (CAT) in the PVN. In addition, our data demonstrated that chronic AST treatment ameliorated these changes in the HS but not NS diet rats. These data suggested that AST could alleviate prehypertensive response in HS-induced prehypertension through ROS/MAPK/NF-κB pathways in the PVN.
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Affiliation(s)
- Hong-Li Gao
- Department of Physiology and Pathophysiology, Key Laboratory of Environment and Genes Related to Diseases of Education Ministry of China, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Shaanxi Engineering and Research Center of Vaccine, Xi'an, 710061, China
| | - Xiao-Jing Yu
- Department of Physiology and Pathophysiology, Key Laboratory of Environment and Genes Related to Diseases of Education Ministry of China, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Shaanxi Engineering and Research Center of Vaccine, Xi'an, 710061, China
| | - Yan Zhang
- Department of Physiology and Pathophysiology, Key Laboratory of Environment and Genes Related to Diseases of Education Ministry of China, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Shaanxi Engineering and Research Center of Vaccine, Xi'an, 710061, China
| | - Chen-Long Wang
- Department of Physiology and Pathophysiology, Key Laboratory of Environment and Genes Related to Diseases of Education Ministry of China, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Shaanxi Engineering and Research Center of Vaccine, Xi'an, 710061, China
| | - Yi-Ming Lei
- Department of Physiology and Pathophysiology, Key Laboratory of Environment and Genes Related to Diseases of Education Ministry of China, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Shaanxi Engineering and Research Center of Vaccine, Xi'an, 710061, China
| | - Jia-Yue Yu
- Department of Physiology and Pathophysiology, Key Laboratory of Environment and Genes Related to Diseases of Education Ministry of China, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Shaanxi Engineering and Research Center of Vaccine, Xi'an, 710061, China
| | - Dong-Miao Zong
- Department of Physiology and Pathophysiology, Key Laboratory of Environment and Genes Related to Diseases of Education Ministry of China, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Shaanxi Engineering and Research Center of Vaccine, Xi'an, 710061, China
| | - Kai-Li Liu
- Department of Physiology and Pathophysiology, Key Laboratory of Environment and Genes Related to Diseases of Education Ministry of China, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Shaanxi Engineering and Research Center of Vaccine, Xi'an, 710061, China
| | - Dong-Dong Zhang
- Department of Physiology and Pathophysiology, Key Laboratory of Environment and Genes Related to Diseases of Education Ministry of China, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Shaanxi Engineering and Research Center of Vaccine, Xi'an, 710061, China
| | - Ying Li
- Department of Physiology and Pathophysiology, Key Laboratory of Environment and Genes Related to Diseases of Education Ministry of China, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Shaanxi Engineering and Research Center of Vaccine, Xi'an, 710061, China
| | - Hua Tian
- Department of Physiology and Pathophysiology, Key Laboratory of Environment and Genes Related to Diseases of Education Ministry of China, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Shaanxi Engineering and Research Center of Vaccine, Xi'an, 710061, China
| | - Nian-Ping Zhang
- Department of Clinical Medicine, Medical School of Shanxi Datong University, Datong, China.
| | - Yu-Ming Kang
- Department of Physiology and Pathophysiology, Key Laboratory of Environment and Genes Related to Diseases of Education Ministry of China, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Shaanxi Engineering and Research Center of Vaccine, Xi'an, 710061, China.
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Fadel F, Al-Kandari N, Khashab F, Al-Saleh F, Al-Maghrebi M. JNK inhibition alleviates oxidative DNA damage, germ cell apoptosis, and mitochondrial dysfunction in testicular ischemia reperfusion injury. Acta Biochim Biophys Sin (Shanghai) 2020; 52:891-900. [PMID: 32662511 DOI: 10.1093/abbs/gmaa074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Indexed: 01/05/2023] Open
Abstract
The aim of this study is to determine whether the c-Jun N-terminal kinase (JNK) signaling is a regulator of oxidative DNA damage, germ cell apoptosis (GCA), and mitochondrial dysfunction during testicular ischemia reperfusion injury (tIRI) using the JNK inhibitor SP600125. Male Sprague Dawley rats (n = 36) were equally divided into three groups: sham, tIRI only, and tIRI + SP600125 (15 mg/kg). Testicular ischemia was induced for 1 h followed by 4 h of reperfusion prior to animal sacrifice. Spermatogenesis was evaluated by light microscopy, while expression of oxidative stress and GCA-related mRNAs and proteins were evaluated by real-time polymerase chain reaction and colorimetric assays, respectively. Expressions of JNK, p53, and survivin were detected by immunofluorescence (IF) staining. Indicators of mitochondrial dysfunction were examined by western blot analysis and colorimetric assay. In comparison to sham, the tIRI testes showed a significant increase in lipid and protein oxidation products. Oxidative DNA damage was reflected by a significant increase in the number of DNA strand breaks, increased concentration of 8-OHdG, and elevated poly (ADP-ribose) polymerase activity. Spermatogenic damage was associated with the activation of caspase 3 and elevated Bax to Bcl2 ratio. This was also accompanied by a significantly heightened IF expression of the phosphorylated forms of JNK and p53 paralled with the suppression of survivin. Mitochondrial dysfunction was reflected by NAD+ depletion, overexpression of uncoupling protein 2, and increased level of cytochrome c. Such tIRI-induced modulations were all attenuated by SP600125 treatment prior to reperfusion. In conclusion, JNK signaling regulates oxidative DNA damage, GCA, and mitochondrial dysfunction through activation of p53 and suppression of survivin during tIRI.
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Affiliation(s)
- Fatemah Fadel
- Department of Biochemistry, Faculty of Medicine, Kuwait University, Jabriyah 13110, Kuwait
| | - Nora Al-Kandari
- Department of Biochemistry, Faculty of Medicine, Kuwait University, Jabriyah 13110, Kuwait
| | - Farah Khashab
- Department of Biochemistry, Faculty of Medicine, Kuwait University, Jabriyah 13110, Kuwait
| | - Farah Al-Saleh
- Department of Biochemistry, Faculty of Medicine, Kuwait University, Jabriyah 13110, Kuwait
| | - May Al-Maghrebi
- Department of Biochemistry, Faculty of Medicine, Kuwait University, Jabriyah 13110, Kuwait
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Zhao S, Zhou Y, Du Z. Application of Computed Tomography Scan Combined with Electrocardiographic Gating in Hypertensive Patients with Brain and Nerve Diseases. World Neurosurg 2020; 138:706-713. [PMID: 31917307 DOI: 10.1016/j.wneu.2019.12.161] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 12/26/2019] [Accepted: 12/27/2019] [Indexed: 11/19/2022]
Abstract
In this paper, 64-slice spiral computed tomography (CT) retrospective electrocardiographic (ECG) gating technology was used to perform coronary CT angiography scans. The aorta and aortic pulmonary artery diameter were measured quantitatively in healthy people and patients with hypertension and cerebrovascular disease. Corresponding aortic pulmonary artery ratios were obtained through calculation, and the changes of aortic diameter, aortic pulmonary artery ratio, and aortic diameter difference between different cardiac phases, ages, sexes, and levels of hypertension were discussed. Through research, it can be concluded that 64-row spiral CT scan combined with ECG gating technology can accurately measure the dynamic changes of the aortic diameter with the cardiac cycle. At the same time, the aortic diameter measured by multidetector CT scan combined with ECG gating technology and the phase difference between different phases can objectively reflect the degree of arterial damage in patients with hypertension; therefore, early screening of aortic diseases in patients with hypertension can be performed. Diagnosis to detect abnormalities as early as possible and start treatment as early as possible to prevent the disease from progressing and even affecting other tissues and organs can also be obtained.
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Affiliation(s)
- Shichao Zhao
- Department of Imaging, Linyi Central Hospital, Linyi, Shangdong, China
| | - Yong Zhou
- Department of CT, The Third Clinical Medical College (The Affiliated Tumor Hospital) of Xinjiang Medical University, Xinjiang, China
| | - Zhengang Du
- Department of Radiology, General Hospital of Lanzhou Petrochemical Company, Lanzhou, China.
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Gupta R, Ghosh S. Putative roles of mitochondrial Voltage-Dependent Anion Channel, Bcl-2 family proteins and c-Jun N-terminal Kinases in ischemic stroke associated apoptosis. BIOCHIMIE OPEN 2017; 4:47-55. [PMID: 29450141 PMCID: PMC5802046 DOI: 10.1016/j.biopen.2017.02.002] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Accepted: 02/05/2017] [Indexed: 12/13/2022]
Abstract
There is a constant need for better stroke treatments. Neurons at the periphery of an ischemic stroke affected brain tissue remains metabolically active for several hours or days after stroke onset. They later undergo mitochondrion-mediated apoptosis. It has been found that inhibiting apoptosis in the peripheral ischemic neurons could be very effective in the prevention of stroke progression. During stroke associated apoptosis, cytosolic c-Jun N-terminal Kinases (JNKs) and Bcl-2 family proteins translocate towards mitochondria and promote cytochrome c release by interacting with the outer mitochondrion membrane associated proteins. This review provides an overview of the plausible interactions of the outer mitochondrial membrane Voltage Dependent Anion Channel, Bcl-2 family proteins and JNKs in cytochrome c release in the peripheral ischemic stroke associated apoptotic neurons. The review ends with a note on designing new anti-stroke treatments.
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Affiliation(s)
- Rajeev Gupta
- Department of Physiology, All India Institute of Medical Sciences, New Delhi, India
| | - Subhendu Ghosh
- Department of Biophysics, University of Delhi South Campus, New Delhi, India
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Rehni AK, Liu A, Perez-Pinzon MA, Dave KR. Diabetic aggravation of stroke and animal models. Exp Neurol 2017; 292:63-79. [PMID: 28274862 PMCID: PMC5400679 DOI: 10.1016/j.expneurol.2017.03.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 02/03/2017] [Accepted: 03/03/2017] [Indexed: 12/16/2022]
Abstract
Cerebral ischemia in diabetics results in severe brain damage. Different animal models of cerebral ischemia have been used to study the aggravation of ischemic brain damage in the diabetic condition. Since different disease conditions such as diabetes differently affect outcome following cerebral ischemia, the Stroke Therapy Academic Industry Roundtable (STAIR) guidelines recommends use of diseased animals for evaluating neuroprotective therapies targeted to reduce cerebral ischemic damage. The goal of this review is to discuss the technicalities and pros/cons of various animal models of cerebral ischemia currently being employed to study diabetes-related ischemic brain damage. The rational use of such animal systems in studying the disease condition may better help evaluate novel therapeutic approaches for diabetes related exacerbation of ischemic brain damage.
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Affiliation(s)
- Ashish K Rehni
- Cerebral Vascular Disease Research Laboratories, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Department of Neurology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Allen Liu
- Cerebral Vascular Disease Research Laboratories, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Department of Neurology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Miguel A Perez-Pinzon
- Cerebral Vascular Disease Research Laboratories, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Department of Neurology, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Neuroscience Program, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Kunjan R Dave
- Cerebral Vascular Disease Research Laboratories, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Department of Neurology, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Neuroscience Program, University of Miami Miller School of Medicine, Miami, FL 33136, USA.
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