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Guo X, Zhu X, Zhou S, Dong X. Serum levels of IL-9 and IL-11 serve as predictors for the occurrence of early neurologic deterioration in patients with cerebral infarction. Clin Chim Acta 2024; 558:119683. [PMID: 38643817 DOI: 10.1016/j.cca.2024.119683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 04/08/2024] [Accepted: 04/18/2024] [Indexed: 04/23/2024]
Abstract
BACKGROUND AND AIM Early neurological deterioration (END) is a common complication of cerebral infarction and a significant contributor to poor prognosis. Our study aimed to investigate the predictive value of interleukin-9 (IL-9) and interleukin-11 (IL-11) in relation to the occurrence of END in patients with cerebral infarction. MATERIALS AND METHODS 102 patients with cerebral infarction and 64 healthy controls were collected. Patients were categorized into two groups based on the development of END following admission: the END group (n = 44) and the non-END group (n = 58). Enzyme-linked immunosorbent assay was used to determine the serum levels of IL-9, IL-11, and BDNF. RESULTS Serum IL-9 was higher and IL-11 lower in the END group than those in the non-END group (P < 0.01). IL-9 correlated positively with NIHSS score (r = 0.627) and infarction volume (r = 0.686), while IL-11 correlated negatively (r = -0.613, -0.679, respectively). Logistic regression identified age, NIHSS score, and IL-9 as risk factors (P < 0.01), and IL-11 as protective (P < 0.01). Combined IL-9 and IL-11 had an ROC curve area of 0.849. BDNF correlated negatively with IL-9 (r = -0.703) and positively with IL-11 (r = 0.711). CONCLUSION Serum IL-9 and IL-11 levels can predict the occurrence of END in patient with cerebral infarction and are correlated with serum BDNF levels.
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Affiliation(s)
- Xianglin Guo
- Department of Emergency, People's Hospital of Yangzhong City, Yangzhong, Jiangsu 212200, China
| | - Xiaoyan Zhu
- Department of Neurology, People's Hospital of Yangzhong City, Yangzhong, Jiangsu 212200, China; School of Clinical Medicine, Medical College of Yangzhou University, Yangzhou, Jiangsu 225000, China; Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou, Jiangsu 225000, China
| | - Shuai Zhou
- Department of Neurology, People's Hospital of Yangzhong City, Yangzhong, Jiangsu 212200, China; School of Clinical Medicine, Medical College of Yangzhou University, Yangzhou, Jiangsu 225000, China; Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou, Jiangsu 225000, China
| | - Xiaohong Dong
- Department of Neurology, The Affiliated Lianyungang Hospital of Xuzhou Medical University/The First People's Hospital of Lianyungang, Lianyungang, Jiangsu 222002, China.
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Qian Y, Chen B, Sun E, Lu X, Li Z, Wang R, Fang D. Mesenchymal Stem Cell-Derived Extracellular Vesicles Alleviate Brain Damage Following Subarachnoid Hemorrhage via the Interaction of miR-140-5p and HDAC7. Mol Neurobiol 2024:10.1007/s12035-024-04118-3. [PMID: 38592585 DOI: 10.1007/s12035-024-04118-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 03/08/2024] [Indexed: 04/10/2024]
Abstract
Subarachnoid hemorrhage (SAH) triggers severe neuroinflammation and cognitive impairment, where microglial M1 polarization exacerbates the injury and M2 polarization mitigates damage. Mesenchymal stem cell-derived extracellular vesicles (MSC-EVs), carrying microRNA (miR)-140-5p, offer therapeutic promise by targeting the cAMP/PKA/CREB pathway and modulating microglial responses, demonstrating a novel approach for addressing SAH-induced brain injury. This research explored the role of miR-140-5p delivered by MSC-EVs in mitigating brain damage following SAH. Serum from SAH patients and healthy individuals was analyzed for miR-140-5p and cAMP levels. The association between miR-140-5p levels, brain injury severity, and patient survival was examined, along with the target relationship between miR-140-5p and histone deacetylases 7 (HDAC7). MSC-EVs were characterized for their ability to cross the blood-brain barrier and modulate the HDAC7/AKAP12/cAMP/PKA/CREB axis, reducing M1 polarization and inflammation. The therapeutic effect of MSC-EV-miR-140-5p was demonstrated in an SAH mouse model, showing reduced neuronal apoptosis and improved neurological function. This study highlights the potential of MSC-EV-miR-140-5p in mitigating SAH-induced neuroinflammation and brain injury, providing a foundation for developing MSC-EV-based treatments for SAH.
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Affiliation(s)
- Yu Qian
- Department of Neurosurgery, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, 212000, P.R. China
| | - Bo Chen
- Department of Neurosurgery, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, 212000, P.R. China
| | - Eryi Sun
- Department of Neurosurgery, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, 212000, P.R. China
| | - Xinyu Lu
- Department of Neurosurgery, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, 212000, P.R. China
| | - Zheng Li
- Department of Neurosurgery, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, 212000, P.R. China
| | - Runpei Wang
- Department of Neurosurgery, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, 212000, P.R. China
| | - Dazhao Fang
- Department of Neurosurgery, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, West Huanghe Road, Huaiyin District, Huai'an, Jiangsu Province, 223300, P.R. China.
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Diao C, Yang Z, Hu Q, Yao P, Qu X, Li C, Zhang S, Zhou J. Celastrol Alleviates Mitochondrial Oxidative Stress and Brain Injury After Intracerebral Hemorrhage by Promoting OPA1-Dependent Mitochondrial Fusion. Neuroscience 2024; 536:79-91. [PMID: 37996053 DOI: 10.1016/j.neuroscience.2023.11.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 10/01/2023] [Accepted: 11/17/2023] [Indexed: 11/25/2023]
Abstract
Mitochondrial oxidative stress is one of the characteristics of secondary brain injury (SBI) after intracerebral hemorrhage (ICH), contributing largely to the apoptosis of neurons. Celastrol, a quinone methide triterpene that possesses antioxidant and mitochondrial protective properties, has emerged as a neuroprotective agent. However, the activity of celastrol has not been tested in ICH-induced SBI. In this study, we found that celastrol could effectively alleviate neurological function deficits and reduce brain oedema and neuronal apoptosis caused by ICH. Through electron microscopy, we found that celastrol could significantly attenuate mitochondrial morphology impairment. Therefore, we tested the regulatory proteins of mitochondrial dynamics and found that celastrol could reverse the downwards trend of OPA1 expression after ICH. In view of this, by culturing OPA1-deficient primary neurons and constructing neuron-specific OPA1 conditional knockout mice, we found that the protective effects of celastrol on mitochondrial morphology and function after ICH were counteracted in the absence of OPA1. Further experiments also showed that OPA1 is indispensable for the protective effects of celastrol on ICH-induced secondary brain injury. In summary, we have demonstrated that celastrol is a potential drug for the treatment of ICH and have revealed a novel mechanism by which celastrol exerts its antioxidant effects by promoting OPA1-mediated mitochondrial fusion.
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Affiliation(s)
- Chunyan Diao
- School of Pharmacy, The Fourth Military Medical University, No. 169 West Changle Road, Xi'an 710032, PR China
| | - Zhengxuan Yang
- Department of Emergency, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, PR China
| | - Qing Hu
- Department of Neurosurgery and Institute for Functional Brain Disorders, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, PR China
| | - Pengfei Yao
- Department of Neurosurgery, The 940th Hospital of PLA Joint Logistics Support Force, Lanzhou 730050, PR China
| | - Xiaodong Qu
- Department of Neurosurgery, The 940th Hospital of PLA Joint Logistics Support Force, Lanzhou 730050, PR China
| | - Changdong Li
- Department of Neurosurgery, The 940th Hospital of PLA Joint Logistics Support Force, Lanzhou 730050, PR China
| | - Shenghao Zhang
- Department of Neurosurgery, The 940th Hospital of PLA Joint Logistics Support Force, Lanzhou 730050, PR China.
| | - Jie Zhou
- Department of Neurosurgery, The 940th Hospital of PLA Joint Logistics Support Force, Lanzhou 730050, PR China.
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Ning Z, Zhong X, Wu Y, Wang Y, Hu D, Wang K, Deng M. β-asarone improves cognitive impairment and alleviates autophagy in mice with vascular dementia via the cAMP/PKA/CREB pathway. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 123:155215. [PMID: 38039902 DOI: 10.1016/j.phymed.2023.155215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/01/2023] [Accepted: 11/11/2023] [Indexed: 12/03/2023]
Abstract
BACKGROUND Vascular dementia (VD) is the second most common type of dementia after Alzheimer's disease. β-asarone, a major component of Acorus tatarinowii Schott, is important in neurodegenerative and neurovascular diseases. Studies have confirmed that β-asarone can mitigate autophagy and reduce damage in hypoxic cells. We also reported that β-asarone improves learning and memory. This study further clarifies whether β-asarone attenuates cerebral ischaemic injury by acting through the cAMP/PKA/CREB pathway in VD model mice. METHODS Here, genes and potential pathways that may be targeted by β-asarone for the treatment of transient cerebral ischaemia (TCI) and cognitive impairment (CI) were obtained using network pharmacology. The two-vessel occlusion method was used to establish the VD model. The Morris water maze test was used to evaluate the effects on memory. Then, the protein levels of mitofusin-2 (Mfn2), brain-derived neurotrophic factor (BDNF), optic atrophy 1 (OPA1), cyclic adenosine monophosphate (cAMP), myelin basic protein (MBP), matrix metalloproteinase-9 (MMP9) and neuron specific enolase (NSE) were determined by ELISA. The levels of superoxide dismutase (SOD) and malonaldehyde (MDA) were measured using commercial kits. Then, qRT-PCR was employed to investigate the expression of the candidate genes screened from the protein-protein interaction (PPI) network. Furthermore, the expression of the autophagy-related proteins Beclin-1, (microtubule-associated protein light chain 3) LC3, p62, postsynaptic density protein 95 (PSD95), protein kinase A (PKA), pPKA, cyclic-AMP response binding protein (CREB), and pCREB was determined by western blotting. The expression of autophagy-related proteins, PSD95 and translocase of outer mitochondrial membrane 20 (TOM20) was determined by immunofluorescence analyses. RESULTS The network pharmacological analysis showed 234 targets related to β-asarone, 1,118 genes related to TCI and 2,039 genes associated with CI. Our results confirm that β-asarone treatment not only alleviated brain damage in the VD model by improving mitochondrial and synaptic function, reducing neuronal injury and upregulating the expression of antioxidants but also effectively improved the cognitive behaviour of VD model mice. Moreover, β-asarone downregulated VD-induced RELA and CCND1 mRNA expression. In addition, we validated that β-asarone increased the phosphorylation of PKA and CREB and upregulated cAMP protein expression. The results showed that the cAMP/PKA/CREB signalling pathway was upregulated. Moreover, β-asarone administration decreased the protein expression levels of Beclin-1 and LC3 and increased the expression levels of p62 in VD model mice. CONCLUSIONS β-asarone inhibits Beclin-1-dependent autophagy and upregulates the cAMP/PKA/CREB signalling pathway to attenuate mitochondrial and synaptic damage from cerebral ischaemia and improve learning and cognitive abilities in VD model mice.
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Affiliation(s)
- Zhenqiu Ning
- State Key Laboratory of Traditional Chinese Medicine Syndrome/ Department of Neurology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510006, China; The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou 510120, China
| | - Xiaoqin Zhong
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Yanan Wu
- Department of Anaesthesiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China
| | - Yu Wang
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou 510120, China
| | - Dafeng Hu
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou 510120, China
| | - Kai Wang
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou 510120, China
| | - Minzhen Deng
- State Key Laboratory of Traditional Chinese Medicine Syndrome/ Department of Neurology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510006, China; The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou 510120, China; Guangdong Provincial Key Laboratory of Research on Emergency in TCM, Guangzhou 510120, PR China.
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El Safadi D, Lebeau G, Turpin J, Lefebvre d’Hellencourt C, Diotel N, Viranaicken W, Krejbich-Trotot P. The Antiviral Potential of AdipoRon, an Adiponectin Receptor Agonist, Reveals the Ability of Zika Virus to Deregulate Adiponectin Receptor Expression. Viruses 2023; 16:24. [PMID: 38257725 PMCID: PMC10820441 DOI: 10.3390/v16010024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/11/2023] [Accepted: 12/20/2023] [Indexed: 01/24/2024] Open
Abstract
Zika virus (ZIKV) is a pathogenic member of the flavivirus family, with several unique characteristics. Unlike any other arbovirus, ZIKV can be transmitted sexually and maternally, and thus produce congenital syndromes (CZS) due to its neurotropism. This challenges the search for safe active molecules that can protect pregnant women and their fetuses. In this context, and in the absence of any existing treatment, it seemed worthwhile to test whether the known cytoprotective properties of adiponectin and its pharmacological analog, AdipoRon, could influence the outcome of ZIKV infection. We showed that both AdipoRon and adiponectin could significantly reduce the in vitro infection of A549 epithelial cells, a well-known cell model for flavivirus infection studies. This effect was particularly observed when a pre-treatment was carried out. Conversely, ZIKV revealed an ability to downregulate adiponectin receptor expression and thereby limit adiponectin signaling.
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Affiliation(s)
- Daed El Safadi
- Unité Mixte Processus Infectieux en Milieu Insulaire Tropical, Plateforme Technologique CYROI, Université de la Réunion, INSERM U1187, CNRS UMR 9192, IRD UMR 249, 94791 Sainte Clotilde, La Réunion, France; (D.E.S.); (G.L.); (J.T.)
| | - Grégorie Lebeau
- Unité Mixte Processus Infectieux en Milieu Insulaire Tropical, Plateforme Technologique CYROI, Université de la Réunion, INSERM U1187, CNRS UMR 9192, IRD UMR 249, 94791 Sainte Clotilde, La Réunion, France; (D.E.S.); (G.L.); (J.T.)
| | - Jonathan Turpin
- Unité Mixte Processus Infectieux en Milieu Insulaire Tropical, Plateforme Technologique CYROI, Université de la Réunion, INSERM U1187, CNRS UMR 9192, IRD UMR 249, 94791 Sainte Clotilde, La Réunion, France; (D.E.S.); (G.L.); (J.T.)
- UMR 1188 Diabète Athérothombose Réunion Océan Indien (DéTROI), Campus Santé Université de la Réunion, Université de La Réunion, INSERM, 77 Avenue du Docteur Jean-Marie Dambreville, 97410 Saint-Pierre, La Réunion, France; (C.L.d.); (N.D.)
| | - Christian Lefebvre d’Hellencourt
- UMR 1188 Diabète Athérothombose Réunion Océan Indien (DéTROI), Campus Santé Université de la Réunion, Université de La Réunion, INSERM, 77 Avenue du Docteur Jean-Marie Dambreville, 97410 Saint-Pierre, La Réunion, France; (C.L.d.); (N.D.)
| | - Nicolas Diotel
- UMR 1188 Diabète Athérothombose Réunion Océan Indien (DéTROI), Campus Santé Université de la Réunion, Université de La Réunion, INSERM, 77 Avenue du Docteur Jean-Marie Dambreville, 97410 Saint-Pierre, La Réunion, France; (C.L.d.); (N.D.)
| | - Wildriss Viranaicken
- Unité Mixte Processus Infectieux en Milieu Insulaire Tropical, Plateforme Technologique CYROI, Université de la Réunion, INSERM U1187, CNRS UMR 9192, IRD UMR 249, 94791 Sainte Clotilde, La Réunion, France; (D.E.S.); (G.L.); (J.T.)
- UMR 1188 Diabète Athérothombose Réunion Océan Indien (DéTROI), Campus Santé Université de la Réunion, Université de La Réunion, INSERM, 77 Avenue du Docteur Jean-Marie Dambreville, 97410 Saint-Pierre, La Réunion, France; (C.L.d.); (N.D.)
| | - Pascale Krejbich-Trotot
- Unité Mixte Processus Infectieux en Milieu Insulaire Tropical, Plateforme Technologique CYROI, Université de la Réunion, INSERM U1187, CNRS UMR 9192, IRD UMR 249, 94791 Sainte Clotilde, La Réunion, France; (D.E.S.); (G.L.); (J.T.)
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Khan H, Bangar A, Grewal AK, Singh TG. Mechanistic Implications of GSK and CREB Crosstalk in Ischemia Injury. Neurotox Res 2023; 42:1. [PMID: 38091155 DOI: 10.1007/s12640-023-00680-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 11/03/2023] [Accepted: 11/11/2023] [Indexed: 12/18/2023]
Abstract
Ischemia-reperfusion (IR) injury is a damage to an organ when the blood supply is less than the demand required for normal functioning, leading to exacerbation of cellular dysfunction and death. IR injury occurs in different organs like the kidney, liver, heart, brain, etc., and may not only involve the ischemic organ but also cause systemic damage to distant organs. Oxygen-glucose deprivation in cells causes oxidative stress, calcium overloading, inflammation, and apoptosis. CREB is an essential integrator of the body's various physiological systems, and it is widely accepted that dysfunction of CREB signaling is involved in many diseases, including ischemia-reperfusion injury. The activation of CREB can provide life to a cell and increase the cell's survival after ischemia. Hence, GSK/CREB signaling pathway can provide significant protection to cells of different organs after ischemia and emerges as a futuristic strategy for managing ischemia-reperfusion injury. Different signaling pathways such as MAPK/ERK, TLR4/MyD88, RISK, Nrf2, and NF-κB, get altered during IR injury by the modulation of GSK-3 and CREB (cyclic AMP response element (CRE)-binding protein). GSK-3 (protein kinase B) and CREB are the downstream targets for fulfilling the roles of various signaling pathways. Calcium overloading during ischemia increases the expression of calcium-calmodulin-dependent protein kinase (CaMK), which subsequently activates CREB-mediated transcription, thus promoting the survival of cells. Furthermore, this review highlights the crosstalk between GSK-3 and CREB, promoting survival and rendering the cells resistant to subsequent severe ischemia.
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Affiliation(s)
- Heena Khan
- Chitkara College of Pharmacy, Chitkara University, Punjab, 140401, India
| | - Annu Bangar
- Chitkara College of Pharmacy, Chitkara University, Punjab, 140401, India
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Zhang X, Ma L, Liu M, Zhu T, Huang Z, Xiong Y, Wang Z, Shi J. "Lifting Yang to Dredging Du Meridian Manipulation" acupuncture alleviates cerebral ischemia-reperfusion injury by mediating the NF-κB pathway. Brain Res 2023; 1816:148477. [PMID: 37414270 DOI: 10.1016/j.brainres.2023.148477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 06/14/2023] [Accepted: 07/02/2023] [Indexed: 07/08/2023]
Abstract
BACKGROUND Ischemic stroke is a permanent neurological impairment resulting from the narrowing or blockage of blood vessels in the brain. The effectiveness of "Lifting Yang to Dredging Du Meridian Manipulation" (LYDD) acupuncture in clinical treatment of ischemic stroke patients has been well-established. Nevertheless, its mechanism is still uncertain. METHODS MCAO/R rat models at different time points of reperfusion (24, 36, 48 and 72 h) were constructed, and LYDD acupuncture treatment was performed. Zea-Longa score and TTC staining were used for assessing neurological impairment and cerebral infarct in rats, respectively. The pathological changes of cerebral tissue in each group were observed by HE and Nissl's staining. Cerebral tissue from each group was subjected to RNA-seq, and differentially expressed genes (DEGs) were performed for GO and KEGG enrichment analysis, and hub gene was identified based on the String database and MCODE algorithm. RESULTS LYDD acupuncture treatment significantly reduced Zea-Longa score, dry-wet weight ratio, infarct area, inflammatory factor levels (IL-1β and TNF-α), cerebral lesions, number of Nissl body and neuronal apoptosis in the MCAO/R model at different time points of reperfusion. A total of 3518 DEGs were identified in the MCAO/R model compared to the control group, and 3461 DEGs were present in the treatment group compared to the MCAO/R model, and they may be implicated in neurotransmitter transmission, synaptic membrane potential, cell junctions, inflammatory response, immune response, cell cycle, and ECM. The expression trends of BIRC3, LTBR, PLCG2, TLR4 and TRADD mRNAs in the Hub gene were consistent with the RNA-seq results, and LYDD acupuncture treatment significantly inhibited MCAO/R-induced p65 nuclear translocation. CONCLUSIONS LYDD acupuncture ameliorates cerebral ischemia-reperfusion injury by inhibiting NF-κB pathway activity.
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Affiliation(s)
- Xiahui Zhang
- Department of Acupuncture, Yunnan Provincial Hospital of Traditional Chinese Medicine, The First Affiliated Hospital of Yunnan University of Traditional Chinese Medicine, No.120 Guanghua Street, Kunming, Yunnan Province 650021, China
| | - Lei Ma
- Department of Acupuncture, Yunnan Provincial Hospital of Traditional Chinese Medicine, The First Affiliated Hospital of Yunnan University of Traditional Chinese Medicine, No.120 Guanghua Street, Kunming, Yunnan Province 650021, China
| | - Meifang Liu
- Department of Acupuncture, Yunnan Provincial Hospital of Traditional Chinese Medicine, The First Affiliated Hospital of Yunnan University of Traditional Chinese Medicine, No.120 Guanghua Street, Kunming, Yunnan Province 650021, China
| | - Tao Zhu
- College of Acupuncture and Massage, Yunnan University of Traditional Chinese Medicine, No.1076 Yuhua Road, Kunming, Yunnan Province 650500, China
| | - Zhilin Huang
- College of Acupuncture and Massage, Yunnan University of Traditional Chinese Medicine, No.1076 Yuhua Road, Kunming, Yunnan Province 650500, China
| | - Youlong Xiong
- Department of Acupuncture, Yunnan Provincial Hospital of Traditional Chinese Medicine, The First Affiliated Hospital of Yunnan University of Traditional Chinese Medicine, No.120 Guanghua Street, Kunming, Yunnan Province 650021, China
| | - Ziyi Wang
- Department of Acupuncture, Yunnan Provincial Hospital of Traditional Chinese Medicine, The First Affiliated Hospital of Yunnan University of Traditional Chinese Medicine, No.120 Guanghua Street, Kunming, Yunnan Province 650021, China
| | - Jing Shi
- Department of Acupuncture, Yunnan Provincial Hospital of Traditional Chinese Medicine, The First Affiliated Hospital of Yunnan University of Traditional Chinese Medicine, No.120 Guanghua Street, Kunming, Yunnan Province 650021, China.
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Yuan Y, Sheng P, Ma B, Xue B, Shen M, Zhang L, Li D, Hou J, Ren J, Liu J, Yan BC, Jiang Y. Elucidation of the mechanism of Yiqi Tongluo Granule against cerebral ischemia/reperfusion injury based on a combined strategy of network pharmacology, multi-omics and molecular biology. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 118:154934. [PMID: 37393828 DOI: 10.1016/j.phymed.2023.154934] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 06/10/2023] [Accepted: 06/19/2023] [Indexed: 07/04/2023]
Abstract
BACKGROUND Ischemic stroke is caused by local lesions of the central nervous system and is a severe cerebrovascular disease. A traditional Chinese medicine, Yiqi Tongluo Granule (YQTL), shows valuable therapeutic effects. However, the substances and mechanisms remain unclear. PURPOSE We combined network pharmacology, multi-omics, and molecular biology to elucidate the mechanisms by which YQTL protects against CIRI. STUDY DESIGN We innovatively created a combined strategy of network pharmacology, transcriptomics, proteomics and molecular biology to study the active ingredients and mechanisms of YQTL. We performed a network pharmacology study of active ingredients absorbed by the brain to explore the targets, biological processes and pathways of YQTL against CIRI. We also conducted further mechanistic analyses at the gene and protein levels using transcriptomics, proteomics, and molecular biology techniques. RESULTS YQTL significantly decreased the infarction volume percentage and improved the neurological function of mice with CIRI, inhibited hippocampal neuronal death, and suppressed apoptosis. Fifteen active ingredients of YQTL were detected in the brains of rats. Network pharmacology combined with multi-omics revealed that the 15 ingredients regulated 19 pathways via 82 targets. Further analysis suggested that YQTL protected against CIRI via the PI3K-Akt signaling pathway, MAPK signaling pathway, and cAMP signaling pathway. CONCLUSION We confirmed that YQTL protected against CIRI by inhibiting nerve cell apoptosis enhanced by the PI3K-Akt signaling pathway.
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Affiliation(s)
- Yue Yuan
- Institute for Chinese Materia Medica, School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China; Beijing Key Laboratory of TCM Pharmacology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100730, China
| | - Peng Sheng
- Department of Neurology, Medical College, Institute of Translational Medicine, Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, The Key Laboratory of Syndrome Differentiation and Treatment of Gastric Cancer of the State Administration of Traditional Chinese Medicine, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou 225001, China
| | - Bo Ma
- Chinese Academy of Medical Sciences & Peking Union Medical College Institute of Materia Medica, Beijing 100730, China
| | - Bingjie Xue
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - Mengmeng Shen
- Department of Neurology, Medical College, Institute of Translational Medicine, Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, The Key Laboratory of Syndrome Differentiation and Treatment of Gastric Cancer of the State Administration of Traditional Chinese Medicine, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou 225001, China
| | - Ling Zhang
- Department of Neurology, Medical College, Institute of Translational Medicine, Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, The Key Laboratory of Syndrome Differentiation and Treatment of Gastric Cancer of the State Administration of Traditional Chinese Medicine, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou 225001, China
| | - Dan Li
- Shineway Pharmaceutical Group Co., Ltd., Shijiazhuang 051430, China
| | - Jincai Hou
- Shineway Pharmaceutical Group Co., Ltd., Shijiazhuang 051430, China
| | - Junguo Ren
- Beijing Key Laboratory of TCM Pharmacology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100730, China
| | - Jianxun Liu
- Beijing Key Laboratory of TCM Pharmacology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100730, China.
| | - Bing Chun Yan
- Department of Neurology, Medical College, Institute of Translational Medicine, Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, The Key Laboratory of Syndrome Differentiation and Treatment of Gastric Cancer of the State Administration of Traditional Chinese Medicine, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou 225001, China.
| | - Yunyao Jiang
- Institute for Chinese Materia Medica, School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China.
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Adiponectin Promotes Neurogenesis After Transient Cerebral Ischemia Through STAT3 Mediated BDNF Upregulation in Astrocytes. Neurochem Res 2023; 48:641-657. [PMID: 36315369 DOI: 10.1007/s11064-022-03790-y] [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: 06/15/2022] [Revised: 10/06/2022] [Accepted: 10/11/2022] [Indexed: 02/02/2023]
Abstract
Newborn neurons from the subventricular zone (SVZ) are essential to functional recovery following ischemic stroke. However, the number of newly generated neurons after stroke is far from enough to support a potent recovery. Adiponectin could increase neurogenesis in the dentate gyrus of hippocampus in neurodegenerative diseases. However, the effect of adiponectin on the neurogenesis from SVZ and the functional recovery after ischemic stroke was unknown, and the underlying mechanism was not specified either. The middle cerebral artery occlusion model of mice was adopted and adiponectin was administrated once a day from day 3 to 7 of reperfusion. The levels of BDNF and p-STAT3 were detected by western blotting on day 7 of reperfusion. The virus-encoded BDNF shRNA with GFAP promoter and a STAT3 inhibitor Stattic were used, respectively. Neurogenesis was evidenced by the expression of doublecortin and 5-bromo-2'-deoxyuridine (BrdU) labelling and brain atrophy was revealed by Nissl staining on day 28 of reperfusion. Neurological functional recovery was assessed by the adhesive removal test and the forepaw grip strength. We found that adiponectin increased both the doublecortin-positive cells and NeuN/BrdU double-positive cells around the injured area on day 28 of reperfusion, along with the improved long-term neurological recovery. Mechanistically, adiponectin increased the protein levels of p-STAT3 and BDNF in astrocytes on day 7 of reperfusion, while silencing BDNF diminished the adiponectin-induced neurogenesis and functional recovery. Moreover, inhibition of STAT3 not only prevented the increase of BDNF but also the improved neurogenesis and functional recovery after stroke. In conclusion, adiponectin enhances neurogenesis and functional recovery after ischemic stroke via STAT3/BDNF pathway in astrocytes.
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Liu XQ, Huang J, Song C, Zhang TL, Liu YP, Yu L. Neurodevelopmental toxicity induced by PM2.5 Exposure and its possible role in Neurodegenerative and mental disorders. Hum Exp Toxicol 2023; 42:9603271231191436. [PMID: 37537902 DOI: 10.1177/09603271231191436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
Recent extensive evidence suggests that ambient fine particulate matter (PM2.5, with an aerodynamic diameter ≤2.5 μm) may be neurotoxic to the brain and cause central nervous system damage, contributing to neurodevelopmental disorders, such as autism spectrum disorders, neurodegenerative diseases, such as Alzheimer's disease and Parkinson's disease, and mental disorders, such as schizophrenia, depression, and bipolar disorder. PM2.5 can enter the brain via various pathways, including the blood-brain barrier, olfactory system, and gut-brain axis, leading to adverse effects on the CNS. Studies in humans and animals have revealed that PM2.5-mediated mechanisms, including neuroinflammation, oxidative stress, systemic inflammation, and gut flora dysbiosis, play a crucial role in CNS damage. Additionally, PM2.5 exposure can induce epigenetic alterations, such as hypomethylation of DNA, which may contribute to the pathogenesis of some CNS damage. Through literature analysis, we suggest that promising therapeutic targets for alleviating PM2.5-induced neurological damage include inhibiting microglia overactivation, regulating gut microbiota with antibiotics, and targeting signaling pathways, such as PKA/CREB/BDNF and WNT/β-catenin. Additionally, several studies have observed an association between PM2.5 exposure and epigenetic changes in neuropsychiatric disorders. This review summarizes and discusses the association between PM2.5 exposure and CNS damage, including the possible mechanisms by which PM2.5 causes neurotoxicity.
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Affiliation(s)
- Xin-Qi Liu
- School of Basic Medicine, Neurologic Disorders and Regenerative Repair Lab of Shandong Higher Education, Weifang Medical University, Weifang, China
| | - Jia Huang
- School of Basic Medicine, Neurologic Disorders and Regenerative Repair Lab of Shandong Higher Education, Weifang Medical University, Weifang, China
| | - Chao Song
- School of Basic Medicine, Neurologic Disorders and Regenerative Repair Lab of Shandong Higher Education, Weifang Medical University, Weifang, China
| | - Tian-Liang Zhang
- School of Basic Medicine, Neurologic Disorders and Regenerative Repair Lab of Shandong Higher Education, Weifang Medical University, Weifang, China
| | - Yong-Ping Liu
- School of Basic Medicine, Neurologic Disorders and Regenerative Repair Lab of Shandong Higher Education, Weifang Medical University, Weifang, China
| | - Li Yu
- School of Basic Medicine, Neurologic Disorders and Regenerative Repair Lab of Shandong Higher Education, Weifang Medical University, Weifang, China
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Fan W, Qin Y, Tan J, Li B, Liu Y, Rong J, Shi W, Yu B. RGD1564534 represses NLRP3 inflammasome activity in cerebral injury following ischemia-reperfusion by impairing miR-101a-3p-mediated Dusp1 inhibition. Exp Neurol 2023; 359:114266. [PMID: 36336032 DOI: 10.1016/j.expneurol.2022.114266] [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: 05/22/2022] [Revised: 10/18/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Mitochondrial autophagy, the elimination of damaged mitochondria through autophagy, contributes to neuron survival in cerebral ischemia. Long non-coding RNAs (lncRNAs)/microRNAs (miRNAs)/mRNAs are important regulatory networks implicated in various biological processes, including cerebral ischemia-reperfusion (I/R) injury. Therefore, this work clarifies a novel RGD1564534-mediated regulatory network on mitochondrial autophagy in cerebral I/R injury. METHODS Differentially expressed lncRNAs in cerebral I/R injury were predicted by bioinformatics analysis. Expression of RGD1564534 was examined in the established middle cerebral artery occlusion (MCAO) rats and oxygen glucose deprivation/reoxygenation (OGD/R)-exposed neurons. We conducted luciferase activity, RNA pull-down and RIP assays to illustrate the interaction among RGD1564534, miR-101a-3p and Dusp1. Gain- or loss-of-function approaches were used to manipulate RGD1564534 and Dusp1 expression. The mechanism of RGD1564534 in cerebral I/R injury was evaluated both in vivo and in vitro. RESULTS RGD1564534 was poorly expressed in the MCAO rats and OGD/R-treated cells, while its high expression attenuated nerve damage, cognitive dysfunction, brain white matter and small vessel damage in MCAO rats. In addition, RGD1564534 promoted mitochondrial autophagy and inhibited NLRP3 inflammasome activity. RGD1564534 competitively bound to miR-101a-3p and attenuated its binding to Dusp1, increasing the expression of Dusp1 in neurons. By this mechanism, RGD1564534 enhanced mitochondrial autophagy, reduced NLRP3 inflammasome activity and suppressed the neuron apoptosis induced by OGD/R. CONCLUSION Altogether, RGD1564534 elevates the expression of Dusp1 by competitively binding to miR-101a-3p, which facilitates mitochondrial autophagy-mediated inactivation of NLRP3 inflammasome and thus retards cerebral I/R injury.
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Affiliation(s)
- Weijian Fan
- Department of Vascular Surgery, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, PR China; Department of Vascular Surgery, Huashan Hospital of Fudan University, Shanghai, PR China
| | - Yuanyuan Qin
- Department of Pharmacy, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, PR China
| | - Jinyun Tan
- Department of Vascular Surgery, Huashan Hospital of Fudan University, Shanghai, PR China
| | - Bo Li
- Department of Interventional Radiology, The First Affiliated Hospital of Soochow University, Suzhou, PR China
| | - Yizhi Liu
- Department of Interventional Radiology, The First Affiliated Hospital of Soochow University, Suzhou, PR China
| | - Jianjie Rong
- Department of Vascular Surgery, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, PR China.
| | - Weihao Shi
- Department of Vascular Surgery, Huashan Hospital of Fudan University, Shanghai, PR China.
| | - Bo Yu
- Department of Vascular Surgery, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, PR China; Department of Vascular Surgery, Huashan Hospital of Fudan University, Shanghai, PR China.
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Neuroprotective effect of meglumine cyclic adenylate against ischemia/reperfusion injury via STAT3-Ser727 phosphorylation. J Stroke Cerebrovasc Dis 2023; 32:106892. [PMID: 36402093 DOI: 10.1016/j.jstrokecerebrovasdis.2022.106892] [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: 10/10/2022] [Revised: 11/02/2022] [Accepted: 11/10/2022] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVES Ischemia/reperfusion can induce neuronal apoptosis in the brain and lead to function deficits. The activation of cyclic adenosine monophosphate (cAMP)-dependent protein kinase (PKA) is neuroprotective against transient cerebral ischemia. The neuroprotective mechanisms of PKA mainly involve the regulation of gene transcription via the PKA/CREB pathway. The present study aims to investigate the neuroprotective effect of meglumine cyclic adenylate, an activator of PKA, under a rat model of global cerebral ischemia/reperfusion and to reveal the underlying mechanism involving signal transducer and activator of transcription 3 (STAT3)-Ser727 phosphorylation and mitochondrion modulation. MATERIALS AND METHODS Male Sprague-Dawley rats were subjected to 15 min global cerebral ischemia, and meglumine cyclic adenylate was treated through tail intravenous injection 30 min before ischemia. Cresyl violet staining was used to evaluate neuron injury at 5 d of reperfusion. Western blotting was used to detect p-Ser727-STAT3, total STAT3, cytochrome c (Cyt c) and active caspase-3 in the tissues of hippocampal CA1 region at 6 h of reperfusion. STAT3-S727A was overexpressed in HT22 cells to reveal the significance of STAT3-Ser727 phosphorylation in the neuroprotective effect of meglumine cyclic adenylate. RESULTS Pretreatment with meglumine cyclic adenylate not only significantly ameliorated neuron loss in CA1 region after global cerebral ischemia but also enhanced STAT3-Ser727 phosphorylation, increased mitochondrial STAT3, and decreased cytosolic Cyt c and active caspase-3. Overexpression of STAT3-S727A in HT22 cells eliminated meglumine cyclic adenylate-induced increase of p-Ser727-STAT3, mitochondrial STAT3, cytosolic Cyt c and active caspase-3. CONCLUSION Meglumine cyclic adenylate protects neurons against ischemia/reperfusion injury via promoting p-Ser727-STAT3-associated mitochondrion modulation and inhibiting apoptosis pathway.
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Dai J, Shi H, Zhang C, Li B, Li Y, Wei Y. Multimeric adiponectin nanoparticles regulate glucose metabolism by activating phosphatidylinositol-3-kinase, protein kinase B and T-cadherin. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.12.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Zhang YQ, Zhang YW, Dai JL, Li C, Wang WQ, Zhang HF, Lau WB, Wang XM, Liu XG, Li R. Serum CTRP9 and high-molecular weight adiponectin are associated with ischemic stroke. BMC Neurol 2022; 22:429. [PMCID: PMC9664773 DOI: 10.1186/s12883-022-02967-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Accepted: 11/05/2022] [Indexed: 11/16/2022] Open
Abstract
Abstract
Background
C1q/TNF-related protein 9 (CTRP9) and adiponectin (APN) have beneficial metabolic regulatory and vasoprotective effects. This study explored alteration of CTRP9 and APN multimers during onset of ischemic stroke and development, to provide novel clinical and experimental basis for recognition and prevention of ischemic stroke.
Methods
There were 269 patients with ischemic stroke and 182 control subjects included in this study. Serum levels of CTRP9 and APN multimers in different disease stages were measured.
Results
Serum CTRP9, total APN (tAPN), and high-molecular weight (HMW) APN decreased gradually in stage I (acute stage, within 72 h of onset) of ischemic stroke and increased during stage III (11th day to one month) and stage IV (1 month after), compared to control. In the non-hyperlipidemia group, serum CTRP9, tAPN, and HMW were decreased in ischemic stroke patients compared to control (P < 0.05). Serum CTRP9 is closely related to serum tAPN and HMW (r = 0.992, 0.991). Serum CTRP9 are protective against ischemic stroke (OR = 0.400, 95% CI 0.197–0.810, P < 0.05).
Conclusions
Lower serum CTRP9, tAPN, LMW, and HMW are significantly associated with increased ischemic stroke risk in non-hyperlipidemia subjects. CTRP9, tAPN, and HMW isoforms may be valuable clinical indicators for patients with ischemic stroke.
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Fatima S, Ali M, Quadri SN, Beg S, Samim M, Parvez S, Abdin MZ, Mishra P, Ahmad FJ. Crafting ɣ-L-Glutamyl-l-Cysteine layered Human Serum Albumin-nanoconstructs for brain targeted delivery of ropinirole to attenuate cerebral ischemia/reperfusion injury via "3A approach". Biomaterials 2022; 289:121805. [PMID: 36162213 DOI: 10.1016/j.biomaterials.2022.121805] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 08/23/2022] [Accepted: 09/11/2022] [Indexed: 11/17/2022]
Abstract
Treatment of Ischemic Stroke is inordinately challenging due to its complex aetiology and constraints in shuttling therapeutics across blood-brain barrier. Ropinirole hydrochloride (Rp), a propitious neuroprotectant with anti-oxidant, anti-inflammatory, and anti-apoptotic properties (3A) is repurposed for remedying ischemic stroke and reperfusion (I/R) injury. The drug's low bioavailability in brain however, limits its therapeutic efficacy. The current research work has reported sub-100 nm gamma-L-Glutamyl-L-Cysteine coated Human Serum Albumin nanoparticles encapsulating Rp (C-Rp-NPs) for active targeting in ischemic brain to encourage in situ activity and reduce unwanted toxicities. Confocal microscopy and brain distribution studies confirmed the enhanced targeting potentiality of optimized C-Rp-NPs. The pharmacokinetics elucidated that C-Rp-NPs could extend Rp retention in systemic circulation and escalate bioavailability compared with free Rp solution (Rp-S). Additionally, therapeutic assessment in transient middle cerebral occlusion (tMCAO) model suggested that C-Rp-NPs attenuated the progression of I/R injury with boosted therapeutic index at 1000 times less concentration compared to Rp-S via reinstating neurological and behavioral deficits, while reducing ischemic neuronal damage. Moreover, C-Rp-NPs blocked mitochondrial permeability transition pore (mtPTP), disrupted apoptotic mechanisms, curbed oxidative stress and neuroinflammation, and elevated dopamine levels post tMCAO. Thus, our work throws light on fabrication of rationally designed C-Rp-NPs with enormous clinical potential.
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Affiliation(s)
- Saman Fatima
- Department of Pharmaceutics, School of Pharmaceutical Education and Research (SPER), Jamia Hamdard, New Delhi, 110062, India
| | - Mubashshir Ali
- Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences (SCLS), Jamia Hamdard, New Delhi, 110062, India
| | - Syed Naved Quadri
- Centre for Transgenic Plant Development (CTPD), Department of Biotechnology, School of Chemical and Life Sciences (SCLS), Jamia Hamdard, New Delhi, 110062, India
| | - Sarwar Beg
- School of Pharmacy and Biomedical Sciences, University of Central Lancashire, Preston, United Kingdom
| | - M Samim
- Department of Chemistry, School of Chemical and Life Sciences (SCLS), Jamia Hamdard, New Delhi, 110062, India
| | - Suhel Parvez
- Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences (SCLS), Jamia Hamdard, New Delhi, 110062, India
| | - Malik Zainul Abdin
- Centre for Transgenic Plant Development (CTPD), Department of Biotechnology, School of Chemical and Life Sciences (SCLS), Jamia Hamdard, New Delhi, 110062, India
| | - Prashant Mishra
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, New Delhi, 110016, India
| | - Farhan Jalees Ahmad
- Department of Pharmaceutics, School of Pharmaceutical Education and Research (SPER), Jamia Hamdard, New Delhi, 110062, India.
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Clain J, Couret D, Planesse C, Krejbich-Trotot P, Meilhac O, Lefebvre d’Hellencourt C, Viranaicken W, Diotel N. Distribution of Adiponectin Receptors in the Brain of Adult Mouse: Effect of a Single Dose of the Adiponectin Receptor Agonist, AdipoRON, on Ischemic Stroke. Brain Sci 2022; 12:brainsci12050680. [PMID: 35625066 PMCID: PMC9139333 DOI: 10.3390/brainsci12050680] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 05/08/2022] [Accepted: 05/16/2022] [Indexed: 12/10/2022] Open
Abstract
Adiponectin exhibits pleiotropic effects, including anti-inflammatory, anti-apoptotic, anti-oxidant, and neuroprotective ones. Although some studies have documented brain expression in different rodent models of its receptors, AdipoR1 and AdipoR2, their global distribution remains incomplete. Here, we demonstrated that both AdipoR are widely distributed in the brains of adult mice. Furthermore, by double immunostaining studies, we showed that AdipoR1 and AdipoR2 are mainly expressed in neurons and blood vessels. Then, considering the wide distribution of both receptors and the neuroprotective effects of adiponectin, we tested the therapeutic effect of a single injection of the adiponectin receptor agonist, AdipoRON (5 mg.kg−1), 24 h after stroke in a model of middle cerebral artery occlusion technique (MCAO). Under our experimental conditions, we demonstrated that AdipoRON did not modulate the infarct volume, cell death, neuroinflammatory parameters including microglia activation and oxidative stress. This study suggests that a protocol based on multiple injections of AdipoRON at a higher dose after MCAO could be considered to promote the therapeutic properties of AdipoRON on the brain repair mechanism and recovery.
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Affiliation(s)
- Julien Clain
- Université de la Réunion, INSERM, UMR 1188 Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), Plateforme CYROI, 97490 Sainte-Clotilde, France; (J.C.); (D.C.); (C.P.); (O.M.); (C.L.d.)
| | - David Couret
- Université de la Réunion, INSERM, UMR 1188 Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), Plateforme CYROI, 97490 Sainte-Clotilde, France; (J.C.); (D.C.); (C.P.); (O.M.); (C.L.d.)
- CHU de La Réunion, 97400 Saint-Denis, France
| | - Cynthia Planesse
- Université de la Réunion, INSERM, UMR 1188 Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), Plateforme CYROI, 97490 Sainte-Clotilde, France; (J.C.); (D.C.); (C.P.); (O.M.); (C.L.d.)
| | - Pascale Krejbich-Trotot
- Processus Infectieux en Milieu Insulaire Tropical (PIMIT), INSERM, UMR 1187, CNRS UMR9192, IRD UMR249, Université de La Réunion, 94791 Sainte-Clotilde, France;
| | - Olivier Meilhac
- Université de la Réunion, INSERM, UMR 1188 Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), Plateforme CYROI, 97490 Sainte-Clotilde, France; (J.C.); (D.C.); (C.P.); (O.M.); (C.L.d.)
- CHU de La Réunion, 97400 Saint-Denis, France
| | - Christian Lefebvre d’Hellencourt
- Université de la Réunion, INSERM, UMR 1188 Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), Plateforme CYROI, 97490 Sainte-Clotilde, France; (J.C.); (D.C.); (C.P.); (O.M.); (C.L.d.)
| | - Wildriss Viranaicken
- Processus Infectieux en Milieu Insulaire Tropical (PIMIT), INSERM, UMR 1187, CNRS UMR9192, IRD UMR249, Université de La Réunion, 94791 Sainte-Clotilde, France;
- Correspondence: (W.V.); (N.D.)
| | - Nicolas Diotel
- Université de la Réunion, INSERM, UMR 1188 Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), Plateforme CYROI, 97490 Sainte-Clotilde, France; (J.C.); (D.C.); (C.P.); (O.M.); (C.L.d.)
- Correspondence: (W.V.); (N.D.)
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Xia Y, He F, Moukeila Yacouba MB, Zhou H, Li J, Xiong Y, Zhang J, Li H, Wang Y, Ke J. Adenosine A2a Receptor Regulates Autophagy Flux and Apoptosis to Alleviate Ischemia-Reperfusion Injury via the cAMP/PKA Signaling Pathway. Front Cardiovasc Med 2022; 9:755619. [PMID: 35571159 PMCID: PMC9099415 DOI: 10.3389/fcvm.2022.755619] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 03/23/2022] [Indexed: 12/12/2022] Open
Abstract
Exploring effective methods to lessen myocardial ischemia-reperfusion injury still has positive significance. The adenosine A2a receptor (A2aR) has played a crucial part in cardiac ischemia-reperfusion injury. Previous studies revealed that the adenosine A2a receptor regulated autophagy, but the specific mechanism in myocardial ischemia-reperfusion injury was still unclear. We established an ischemia-reperfusion model (30 min of ischemia and 2 h of reperfusion) in vivo and a model with oxygen-glucose deprivation for 6 h and reoxygenation for 18 h (OGDR) in vitro. The ischemia-reperfusion injury resulted in prolonged QTc interval, left ventricular systolic dysfunction, and myocardial infarction. In vitro model, we found that the OGDR-induced autophagosomes and apoptosis caused myocardial cell death, as evidenced by a significant increase in the generation of lactate dehydrogenase and creatine kinase-MB. Furthermore, overactivated autophagy with rapamycin showed an anti-apoptotic effect. The interaction between autophagy and apoptosis in myocardial ischemia-reperfusion injury was complex and variable. We discovered that the activation of adenosine A2a receptor could promote the expression of Bcl-2 to inhibit the levels of Beclin-1 and LC3II. The number of autophagosomes exceeded that of autolysosomes under OGDR, but the result reversed after A2aR activation. Activated A2aR with its agonist CGS21680 before reperfusion saved cellular survival through anti-apoptosis and anti-autophagy effect, thus improving ventricular contraction disorders, and visibly reducing myocardial infarction size. The myocardial protection of adenosine A2a receptor after ischemia may involve the cAMP-PKA signaling pathway and the interaction of Bcl-2-Beclin-1.
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DDAH1/ADMA Regulates Adiponectin Resistance in Cerebral Ischemia via the ROS/FOXO1/APR1 Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:2350857. [PMID: 35509834 PMCID: PMC9060971 DOI: 10.1155/2022/2350857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 02/14/2022] [Accepted: 03/30/2022] [Indexed: 11/27/2022]
Abstract
Dimethylarginine dimethylaminohydrolase 1 (DDAH1) protects against cerebral ischemia injury via regulating the level of asymmetric dimethylarginine (ADMA). This study is aimed at exploring the effect of adiponectin resistance on ADMA-induced neuronal loss in ischemic stroke (IS) and the underlying mechanism. DDAH1 knockout (DDAH1−/−) and wild-type (DDAH1+/+) rats underwent middle cerebral artery occlusion/reperfusion (MCAO/R). Plasma and brain adiponectin levels and the expressions of adiponectin receptor 1 (APR1), adaptor protein, phosphotyrosine interacting with PH domain and leucine zipper 1 (APPL1), adenosine monophosphate-activated protein kinase (AMPK), and phosphorylated AMPK were determined after 24 h, 3 days, and 7 days. Neurological behavior, infarct volume, and adiponectin signaling were evaluated using adiponectin peptide or AdipoRon. The levels of reactive oxygen species (ROS) and Forkhead box O1 (FOXO1) (a transcription factor for APR1) were also assessed. An oxygen-glucose deprivation/reoxygenation (OGD/R) model was established in primary neurons. DDAH1 was overexpressed in neurons, after which FOXO1 expression, ROS production, adiponectin resistance, and cell viability were detected. DDAH1−/− rats showed no significant difference in adiponectin level in either plasma or brain after MCAO/R in DDAH1+/+ rats, but downregulated APR1 expression and suppressed adiponectin signaling were observed. AdipoRon, but not adiponectin peptide, attenuated the neurological deficits and adiponectin resistance in DDAH1−/− rats. ROS accumulation and phosphorylated FOXO1 expression also increased with DDAH1 depletion. Following DDAH1 overexpression, decreased cell viability and inhibited adiponectin signaling induced by OGD/R were alleviated in primary neurons, accompanied by reduced ROS production and phosphorylated FOXO1 expression. Our study elucidated that in IS, DDAH1 protected against adiponectin resistance in IS via the ROS/FOXO1/APR1 pathway.
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Flöck A, Ferrari N, Joisten C, Puth MT, Strizek B, Gembruch U, Merz WM. Cytokines and parturition: investigating adiponectin, TNF-α, and IL-6 in mother-newborn pairs. J Matern Fetal Neonatal Med 2022; 35:9249-9256. [PMID: 35156492 DOI: 10.1080/14767058.2021.2025356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVE Cytokines are reported to be associated with various pregnancy complications and health outcomes of the offspring. However, reference values during pregnancy have not been established, effects of clinical and obstetric factors have not been examined, and interactions between different cytokines have not yet been reported. METHODS In this cross-sectional study, we recruited 120 mother-newborn pairs. Maternal venous blood samples (6 mL) were taken on admission to the labor ward; newborn venous blood samples (6 mL) were drawn from the placental part of the umbilical cord (UC). Adiponectin, TNF-α, and IL-6 serum concentrations were measured by commercial immunoassays. Clinical and obstetric variables were analyzed for their association with maternal and UC cytokine concentrations. RESULTS Forty-six adiponectin pairs, 55 TNF-α pairs, and 14 IL-6 pairs were available for analysis. Correlation between UC and maternal adiponectin-, IL-6-, and TNF-α levels was low. We found a significant correlation of UC adiponectin with maternal brain-derived neurotrophic factor (BDNF) and maternal adiponectin, and between maternal leptin and maternal TNF-α. CONCLUSIONS Clinical and obstetric variables as well as interactions between cytokines may have an impact on serum concentrations of the respective cytokines in maternal and UC blood. Further studies are required to confirm our findings.
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Affiliation(s)
- A Flöck
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany
| | - N Ferrari
- Department for Physical Activity in Public Health, Institute of Movement and Neurosciences, German Sport University Cologne, Cologne, Germany
| | - C Joisten
- Department for Physical Activity in Public Health, Institute of Movement and Neurosciences, German Sport University Cologne, Cologne, Germany
| | - M T Puth
- Department of Medical Biometry, Informatics and Epidemiology, Medical Faculty, University of Bonn, Bonn, Germany
| | - B Strizek
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany
| | - U Gembruch
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany
| | - W M Merz
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany
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Guo Y, Yang JH, He Y, Zhou HF, Wang Y, Ding ZS, Jin B, Wan HT. Protocatechuic aldehyde prevents ischemic injury by attenuating brain microvascular endothelial cell pyroptosis via lncRNA Xist. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 94:153849. [PMID: 34775360 DOI: 10.1016/j.phymed.2021.153849] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 10/27/2021] [Accepted: 10/31/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Pyroptosis is a pro-inflammatory cell death characterized by the formation of inflammasomes. Abnormal inflammation in brain microvascular endothelial cells (BMECs) has been correlated with ischemic stroke. Protocatechuic aldehyde (PCA) is a hydrophilic phenolic acid derived from the traditional Chinese herb Salvia miltiorrhiza with significant anti-inflammatory effects. However, the mechanism of PCA on BMEC pyroptosis under ischemic injury has been largely unexplored. PURPOSE We aimed to study the effects and mechanism of PCA on BMEC pyroptosis under ischemic injury. METHODS Sprague-Dawley (SD) rats were injected through the tail vein with different concentrations of PCA after transient middle cerebral artery occlusion (MCAO) was performed. The protective effects of PCA in SD rats were examined via neurological scores, infarct volume evaluation, and anti-pyroptosis effects using immunofluorescence staining and western blot. Rat BMECs (rBMECs) were treated with different concentrations of PCA after oxygen and glucose deprivation (OGD). The ability of PCA to protect rBMECs was examined via cell viability, anti-oxidative activity, and anti-pyroptosis effects as determined by qRT-PCR and western blot. Additionally, the role of lncRNA Xist in anti-pyroptosis responses of PCA-treated rBMECs was validated with lncRNA Xist siRNA. RESULTS We found that treatment with MCAO and OGD increased the expression of NOD-like receptor protein 3, gasdermin D, Caspase-1, interleukin-1β, and NIMA-related kinase 7, which was reversed by treatment with PCA or MCC950 (a pyroptosis inhibitor). In addition, PCA reduced the cerebral infarct volume in MCAO rats and promoted cell survival and proliferation in OGD/reperfusion-treated rBMECs. PCA enhanced the antioxidant activity and mitochondrial membrane potential in rBMECs. PCA also enhanced lncRNA Xist expression, and when the expression of lncRNA Xist was silenced, PCA could not alleviate pyroptosis well in rBMECs. CONCLUSION Protocatechuic aldehyde prevents ischemic injury by attenuating rBMEC pyroptosis via lncRNA Xist.
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Affiliation(s)
- Yan Guo
- College of Basic Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China
| | - Jie-Hong Yang
- College of Basic Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China.
| | - Yu He
- College of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China
| | - Hui-Fen Zhou
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China
| | - Yu Wang
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China.
| | - Zhi-Shan Ding
- College of Medical Technology, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China
| | - Bo Jin
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China.
| | - Hai-Tong Wan
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, China.
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21
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Qian S, Zhang X, Wang Y. Value of Serum Adiponectin Combined with ABCD2 in Predicting Cerebral Infarction Among Patients with Acute Isolated Vertigo. Neuropsychiatr Dis Treat 2022; 18:1553-1559. [PMID: 35937714 PMCID: PMC9346406 DOI: 10.2147/ndt.s371812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 07/21/2022] [Indexed: 11/23/2022] Open
Abstract
INTRODUCTION Patients with acute isolated vertigo have a high risk for developing cerebral infarction (CI). Risk stratification for cerebral infarction in patients with acute isolated vertigo is critical for early treatment and preventative therapy. In the present study, we aim to characterize the diagnostic value of serum adiponectin (APN) combined with ABCD2 scoring in determining cerebral infarction risk. METHODS Patients with acute isolated vertigo admitted to the emergency room were recruited. Diagnosis of cerebral infarction was performed using diffusion-weighted MRI (DWI-MRI) and T2WI and T2Flair imaging. Blood was collected for analysis of APN levels using enzyme-linked immunosorbent assay (ELISA). Multivariate analysis was used to analyze diabetes, hypertension, serum APN, and ABCD2 in association with CI. RESULTS Compared to non-CI patients (n = 185), patients with CI (n = 68) demonstrated significantly lower serum APN levels (p < 0.001) and higher ABCD2 score (p < 0.001). A strong negative correlation was found between serum APN levels and ABCD2 scores. Multivariate analysis and ROC analysis suggested that low serum APN and high ABCD2 are strong predictors of CI in patients with acute isolated vertigo. Notably, the combination of APN and ABCD2 had a much stronger predictive sensitivity and specificity. CONCLUSION Our analysis suggests that the combination of serum APN and ABCD2 analyses offers a significantly improved prediction sensitivity and specificity for CI among patients with acute and isolated vertigo, which supports the potential use of this new marker in clinics.
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Affiliation(s)
- Shuxia Qian
- Department of Neurology, The Second Affiliated Hospital of Jiaxing University, Jiaxing, 314000, People's Republic of China
| | - Xiaoling Zhang
- Department of Neurology, The Second Affiliated Hospital of Jiaxing University, Jiaxing, 314000, People's Republic of China
| | - Yanping Wang
- Department of Neurology, The Second Affiliated Hospital of Jiaxing University, Jiaxing, 314000, People's Republic of China
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22
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Sisakht M, Khoshdel Z, Mahmoodazdeh A, Shafiee SM, Takhshid MA. Adrenomedullin increases cAMP accumulation and BDNF expression in rat DRG and spinal motor neurons. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2021; 24:978-985. [PMID: 34712429 PMCID: PMC8528252 DOI: 10.22038/ijbms.2021.54796.12289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Accepted: 06/23/2021] [Indexed: 11/06/2022]
Abstract
Objectives Adrenomedullin (AM) has high expression in the spinal cord. In this study, we investigated the expression of AM and its receptor components, including calcitonin receptor-like receptor (CLR) and receptor activity modifying proteins (RAMPs) in dorsal root ganglion (DRG) and spinal motor (SM) neurons. Furthermore, the effects of AM on cAMP/cAMP response element-binding protein (CREB), AKT/glycogen synthase kinase-3 beta (GSK-3β) signaling pathways, and expressions of brain-derived neurotrophic factor (BDNF) and neurotrophin-3 (NT-3) were evaluated. Materials and Methods Rat embryonic DRG and SM neurons were isolated, purified, and cultured. Real-time PCR was used to assess expressions of AM, CLR, and RAMPs. cAMP levels, p-CREB, BDNF, and NT-3 were determined using an enzyme-linked immunosorbent assay. p-AKT and p-GSK-3β levels were determined by western blotting. Real-time PCR showed expressions of AM, CLR, RAMP2, and RAMP3 in both DRG and SM neurons. Results AM increased cAMP accumulation and p-CREB levels in DRG and SM neurons. AM increased p-AKT and p-GSK-3β in DRG, but not SM neurons. AM significantly increased BDNF expression in both DRG and SM neurons. There was also an increase in NT-3 level in both DRG and SM neurons, which is statistically significant in SM neurons. Conclusion These results showed both DRG and SM neurons are targets of AM actions in the spinal cord. An increase in BDNF expression by AM in both DRG and SM neurons suggests the possible beneficial role of AM in protecting, survival, and regeneration of sensory and motor neurons.
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Affiliation(s)
- Mohsen Sisakht
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Khoshdel
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Amir Mahmoodazdeh
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sayed Mohammad Shafiee
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Ali Takhshid
- Department of Medical Laboratory Sciences, School of Paramedical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran.,Diagnostic Laboratory Sciences and Technology Research Center, School of Paramedical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
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23
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Liang P, Mao L, Ma Y, Ren W, Yang S. A systematic review on Zhilong Huoxue Tongyu capsule in treating cardiovascular and cerebrovascular diseases: Pharmacological actions, molecular mechanisms and clinical outcomes. JOURNAL OF ETHNOPHARMACOLOGY 2021; 277:114234. [PMID: 34044079 DOI: 10.1016/j.jep.2021.114234] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 04/29/2021] [Accepted: 05/20/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Cardiovascular and cerebrovascular diseases have become a severe threat for human health worldwide, however, optimal therapeutic options are still developed. Zhilong Huoxue Tongyu capsule (ZL capsule) is mainly composed of Astragalus membranaceus, Leech, Earthworm, Cinnamomum cassia and Sargentodoxa cuneata, having functions of replenishing qi and activating blood, dispelling wind and reducing phlegm. It is an expanded application on the basis of traditional uses of above TCMs, acquiring a satisfactory curative effect on cardiovascular and cerebrovascular diseases over twenty years. AIM OF THE STUDY To comprehensively summarize the main components of ZL capsule, understand the mechanisms of ZL capsule, and conclude clinical regimens of ZL capsule for cardiovascular and cerebrovascular diseases. MATERIALS AND METHODS We selected network pharmacology technology to analyze main active compounds and predict underlying mechanism of ZL capsule against atherosclerosis. Molecular docking was performed to simulate the interaction pattern between the active components of ZL capsule and putative targets. Further, PubMed, Web of Science, China National Knowledge Infrastructure and Google Scholar were used to search literatures, with the key words of "Zhilong Huoxue Tongyu capsule", "cardiovascular and cerebrovascular diseases", "atherosclerosis", "clinical study" and their combinations, mainly from 2000 to 2020. RESULTS Both network pharmacology analysis, molecular docking and animal experiments studies confirmed that mechanisms of ZL capsule plays the role of anti-inflammatory, anti-apoptosis and promoting angiogenesis in treating cardiovascular and cerebrovascular diseases by multi-components acting on multi-targets via multi-pathways. Over 1000 clinical cases were benefited from the treatment of ZL capsule, suggesting a holistic concept of "the same therapy for different myocardial and cerebral diseases". CONCLUSIONS For the first time, this systematic review may supply meaningful information for further studies to explore material basis and pharmacodynamics of ZL capsule and also provide a basis for sharing the "Chinese patent medicine" for cardiovascular and cerebrovascular diseases.
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Affiliation(s)
- Pan Liang
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, China; Drug Research Center of Integrated Traditional Chinese and Western Medicine, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan, China
| | - Linshen Mao
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, China; Drug Research Center of Integrated Traditional Chinese and Western Medicine, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan, China
| | - Yue Ma
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, China; Drug Research Center of Integrated Traditional Chinese and Western Medicine, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan, China
| | - Wei Ren
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, China; Drug Research Center of Integrated Traditional Chinese and Western Medicine, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan, China.
| | - Sijin Yang
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, China; Drug Research Center of Integrated Traditional Chinese and Western Medicine, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan, China.
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Gomaa AA, El-Abhar HS, Abdallah DM, Awad AS, Soubh AA. Prasugrel anti-ischemic effect in rats: Modulation of hippocampal SUMO2/3-IкBα/Ubc9 and SIRT-1/miR-22 trajectories. Toxicol Appl Pharmacol 2021; 426:115635. [PMID: 34174262 DOI: 10.1016/j.taap.2021.115635] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/15/2021] [Accepted: 06/21/2021] [Indexed: 11/18/2022]
Abstract
The beneficial role of prasugrel, a P2Y12 receptor blocker, in several neurointerventional procedures has been reviewed clinically. Beyond its antiplatelet capacity, the potential neuroprotective mechanisms of prasugrel are poorly addressed experimentally. Relevant to the imbalance between neuro-inflammation and neuroprotective pathways in cerebral ischemia/reperfusion (I/R), our study evaluated the anti-ischemic potential of prasugrel treatment through tackling novel targets. Male Wistar rats were allocated into 2 sets; set 1 (I/R 60 min/3 days) to assess the neurological deficits/biochemical impact of prasugrel and set 2 (I/R 60 min/5 days) for evaluating short memory/morphological/immunoreactive changes. Each set comprised 4 groups designated as sham, sham + prasugrel, I/R, and I/R + prasugrel. Post-administration of prasugrel for 3 and 5 days reduced neurological deficit scores and improved the spontaneous activity/short term spatial memory using the Y-maze paradigm. On the molecular level, prasugrel turned off SUMO2/3-inhibitory kappa (Iκ)Bα, Ubc9 and nuclear factor kappa (NF-κ)B. Besides, it inhibited malondialdehyde (MDA) and inactivated astrocytes by downregulating the glial fibrillary acidic protein (GFAP) hippocampal immune-expression. Conversely, it activated its target molecule cAMP, protein kinase (PK)A, and cAMP response element-binding protein (CREB) to enhance the brain-derived nuclear factor (BDNF) hippocampal content. Additionally, cAMP/PKA axis increased the hippocampal content of deacetylator silent information regulator 1 (SIRT1) and the micro RNA (miR)-22 gene expression. The crosstalk between these paths partakes in preserving hippocampal cellularity. Accordingly, prasugrel, regardless inhibiting platelets activity, modulated other cellular components; viz., SUMO2/3-IκBα/Ubc9/NF-κB, cAMP/PKA related trajectories, CREB/BDNF and SIRT1/miR-22 signaling, besides inhibiting GFAP and MDA to signify its anti-ischemic potential.
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Affiliation(s)
- Asmaa A Gomaa
- Department of Pharmacology, Faculty of Pharmacy, Ahram Canadian University, Giza, Egypt
| | - Hanan S El-Abhar
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Dalaal M Abdallah
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt.
| | - Azza S Awad
- Department of Pharmacology, Faculty of Pharmacy, Ahram Canadian University, Giza, Egypt
| | - Ayman A Soubh
- Department of Pharmacology, Faculty of Pharmacy, Ahram Canadian University, Giza, Egypt
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25
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Adiponectin Treatment Attenuates Cerebral Ischemia-Reperfusion Injury through HIF-1 α-Mediated Antioxidation in Mice. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:5531048. [PMID: 34336097 PMCID: PMC8298180 DOI: 10.1155/2021/5531048] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 05/01/2021] [Accepted: 05/10/2021] [Indexed: 01/01/2023]
Abstract
Adiponectin (ADPN) plays an important role in cerebral ischemia-reperfusion injury. Although previous studies have confirmed that ADPN pretreatment has a protective effect on ischemic stroke, the therapeutic effect of ADPN on ischemic stroke and the underlying mechanism are still unclear. In order to clarify these questions, focal transient cerebral ischemia was induced by middle cerebral artery occlusion (MCAO) in mice and ADPN was administered for three times at 6 h, 24 h, and 48 h after reperfusion. Meanwhile, a virus-delivered HIF-1α siRNA was used before ADPN administration. The infarct volume, neurological score, cellular apoptosis, and oxidative stress were assessed at 72 h after reperfusion. The long-term outcome of mice after stroke was recorded as well. The results indicated that ADPN treatment reduced the infarct volume (P = 0.032), neurological deficits (P = 0.047), cellular apoptosis (P = 0.041), and oxidative responses (P = 0.031) at 72 h after MCAO. Moreover, ADPN increased both the protein level and transcriptional activity of HIF-1α as evidenced by the transcription levels of VEGF (P = 0.046) and EPO (P = 0.043) at 72 h after MCAO. However, knockdown of HIF-1α partially reversed the antioxidant and treatment effect of ADPN after cerebral ischemia. In the observation of long-term outcome after ADPN treatment, it demonstrated that ADPN not only prevented the cerebral atrophy (P = 0.031) and the neurological function decline (P = 0.048), but also promoted angiogenesis (P = 0.028) after stroke. In conclusion, our findings suggest that ADPN is effective in treatment of ischemic stroke which could be attributed to the increased antioxidant capacity regulated by HIF-1α.
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26
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Li YA, Liu ZG, Zhang YP, Hou HT, He GW, Xue LG, Yang Q, Liu XC. Differential expression profiles of circular RNAs in the rat hippocampus after deep hypothermic circulatory arrest. Artif Organs 2021; 45:866-880. [PMID: 33432632 DOI: 10.1111/aor.13910] [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: 11/11/2020] [Revised: 12/16/2020] [Accepted: 01/07/2021] [Indexed: 11/28/2022]
Abstract
Neurological dysfunction commonly occurs after cardiac surgery with deep hypothermic circulatory arrest (DHCA). The mechanisms underlying DHCA-associated brain injury remain poorly understood. This study determined the changes in expression profiles of circular RNAs (circRNAs) in the hippocampus in rats that underwent DHCA, with an attempt to explore the potential role of circRNAs in the brain injury associated with DHCA. Adult male Sprague Dawley rats were subjected to cardiopulmonary bypass with DHCA. Brain injury was evaluated by neurological severity scores and histological as well as transmission electron microscope examinations. The expression profiles of circRNAs in the hippocampal tissues were screened by microarray. Quantitative real-time PCR (RT-qPCR) was used to validate the reliability of the microarray results. Bioinformatic algorithms were applied to construct a competing endogenous RNA (ceRNA) network, and Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses were performed to explore the potential biological roles of the circRNAs. Out of 14 145 circRNAs screened, 56 were differentially expressed in the hippocampus between the DHCA and sham-operated rats, including 30 upregulated and 26 downregulated circRNAs. The expression changes of six selected circRNAs (upregulated: rno_circRNA_011190, rno_circRNA_012988, rno_circRNA_000544; downregulated: rno_circRNA_010393, rno_circRNA_012043, rno_circRNA_015149) were further confirmed by RT-qPCR. Bioinformatics analysis showed the enrichment of these confirmed circRNAs and their potential target mRNAs in several KEGG pathways including histidine metabolism, adipocytokine signaling, and cAMP signaling. By revealing the change expression profiles of circRNAs in the brain after DHCA, this study indicates possible involvements of these dysregulated circRNAs in brain injury and suggests a potential of targeting circRNAs for prevention and treatment of neurological dysfunction associated with DHCA.
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Affiliation(s)
- Yi-Ai Li
- Center for Basic Medical Research & Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Graduate School of Peking Union Medical College, Tianjin, China
| | - Zhi-Gang Liu
- Center for Basic Medical Research & Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Graduate School of Peking Union Medical College, Tianjin, China
| | - You-Peng Zhang
- Center for Basic Medical Research & Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Graduate School of Peking Union Medical College, Tianjin, China
| | - Hai-Tao Hou
- Center for Basic Medical Research & Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Graduate School of Peking Union Medical College, Tianjin, China
| | - Guo-Wei He
- Center for Basic Medical Research & Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Graduate School of Peking Union Medical College, Tianjin, China.,Department of Cardiac Surgery, The First Affiliated Hospital, Zhejiang University, Hangzhou, China.,School of Pharmacy, Wannan Medical College, Wuhu, China.,Department of Surgery, Oregon Health and Science University, Portland, OR, USA
| | - Lan-Gang Xue
- Center for Basic Medical Research & Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Graduate School of Peking Union Medical College, Tianjin, China
| | - Qin Yang
- Center for Basic Medical Research & Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Graduate School of Peking Union Medical College, Tianjin, China
| | - Xiao-Cheng Liu
- Center for Basic Medical Research & Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Graduate School of Peking Union Medical College, Tianjin, China
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Ying X, Xie Q, Yu X, Li S, Wu Q, Chen X, Yue J, Zhou K, Tu W, Jiang S. Water treadmill training protects the integrity of the blood-spinal cord barrier following SCI via the BDNF/TrkB-CREB signalling pathway. Neurochem Int 2021; 143:104945. [PMID: 33359781 DOI: 10.1016/j.neuint.2020.104945] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 12/17/2020] [Accepted: 12/20/2020] [Indexed: 12/18/2022]
Abstract
Following spinal cord injury (SCI), destruction of the blood-spinal cord barrier (BSCB) leads to increased microvascular permeability and tissue oedema. The BSCB, formed by a dense network of tight junctions (TJs) and adhesion junctions (AJs) is considered a therapeutic target. Most studies have focused on the effect of drug therapy on the neurovascular system after SCI, ignoring the protection and functional recovery of the vascular system by exercise training. Previously, we indicated that water treadmill training (TT) has a protective effect on the BSCB after SCI, but the specific molecular mechanism of the effect of TT on BSCB is still not clear. In this study, we used a specific inhibitor of TrkB (ANA-12) to explore whether the BDNF/TrkB-CREB signalling pathway is involved in TT-mediated BSCB protection after SCI. A New York University (NYU) impactor was used to establish the SCI model. Rats in the SI (Sham + ANA-12), IM (SCI + ANA-12) and ITM (SCI + TT + ANA-12) groups were injected with ANA-12 (0.5 mg/kg) daily, and rats in TM (SCI + TT) and ITM (SCI + TT + ANA-12) groups were treated with water TT for 7 or 14 d. The degree of neurological deficit, water content, BSCB permeability, protein expression and ultrastructure of vascular endothelial cells were assessed by the Basso-Beattie-Bresnahan (BBB) motor rating scale, Evans blue (EB), Western blot (WB) experiments, immunofluorescence and transmission electron microscopy (TEM). Our results suggest that TT upregulates the BDNF/TrkB-CREB signalling pathway following SCI. The BDNF/TrkB-CREB signalling pathway is involved in the protection of the BSCB. Application of the inhibitor blocked the protective effect of TT on the BSCB. We concluded that TT ameliorated SCI-induced BSCB impairment by upregulating the BDNF/TrkB-CREB signalling pathways.
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Affiliation(s)
- Xinwang Ying
- Department of Physical Medicine and Rehabilitation, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - Qingfeng Xie
- Department of Physical Medicine and Rehabilitation, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - Xiaolan Yu
- Department of Physical Medicine and Rehabilitation, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - Shengcun Li
- Department of Physical Medicine and Rehabilitation, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - Qiaoyun Wu
- Department of Physical Medicine and Rehabilitation, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - Xiaolong Chen
- Department of Physical Medicine and Rehabilitation, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - Jingjing Yue
- Department of Physical Medicine and Rehabilitation, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - Kecheng Zhou
- Department of Physical Medicine and Rehabilitation, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - Wenzhan Tu
- Department of Physical Medicine and Rehabilitation, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China
| | - Songhe Jiang
- Department of Physical Medicine and Rehabilitation, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China; Department of Intelligent Rehabilitation International (cross-strait) Alliance of Wenzhou Medical University, Wenzhou, 325000, Zhejiang Province, China.
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28
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Lin J, Liang P, Huang Q, Jian C, Huang J, Tang X, Li X, Liao Y, Huang X, Huang W, Su L, Meng L. Using mRNA deep sequencing to analyze differentially expressed genes during Panax notoginseng saponin treatment of ischemic stroke. Mol Med Rep 2020; 22:4743-4753. [PMID: 33173991 PMCID: PMC7646891 DOI: 10.3892/mmr.2020.11550] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 08/10/2020] [Indexed: 01/08/2023] Open
Abstract
Treatment with Panax notoginseng saponin (PNS) can prevent neurological damage in middle cerebral artery occlusion model rats to promote recovery after a stroke. However, the exact molecular mechanisms are unknown and require further study. In the present study, mRNA sequencing was employed to investigate differential gene expression between model and sham groups, and between model and PNS-treated groups. Enrichment of gene data was performed using Gene Ontology analysis and the Kyoto Encyclopedia of Genes and Genomes database. Hub genes were identified and networks were constructed using Cytoscape that were further verified by reverse transcription-quantitative PCR. A total of 1,104 genes of interest were found, which included 690 upregulated and 414 downregulated genes that were identified when the model was compared with the sham group. Additionally, 817 genes of interest, which included 390 upregulated and 427 downregulated genes, were identified when the PNS-treated group was compared with the model group. There were 303 overlapping genes of interest between the analysis of model to sham groups, and the analysis of model to PNS-treated groups. The top 10 genes from the 303 aberrantly expressed genes of interest included ubiquitin conjugating enzyme E2 variant 2, small ubiquitin-related modifier 1, small RNA binding exonuclease protection factor La, Finkel-Biskis-Reilly murine sarcoma virus (FBR-MuSV) ubiquitously expressed, centrosomal protein 290 kDa, DNA-directed RNA polymerase II subunit K, cullin-4B, matrin-3 and vascular endothelial growth factor receptor 2. In conclusion, these genes may be important in the underlying mechanism of PNS treatment in ischemic stroke. Additionally, the present data provided novel insight into the pathogenesis of ischemic stroke.
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Affiliation(s)
- Jun Lin
- Department of Neurology, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Ping Liang
- Department of Neurology, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Qing Huang
- Department of Neurology, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Chongdong Jian
- Department of Neurology, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Jianmin Huang
- Department of Neurology, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Xionglin Tang
- Department of Neurology, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Xuebin Li
- Department of Neurology, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Yanling Liao
- Department of Neurology, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Xiaohua Huang
- Department of Neurology, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Wenhua Huang
- Department of Neurology, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Li Su
- Department of Neurology, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
| | - Lanqing Meng
- Department of Neurology, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, P.R. China
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Carballo MCS, Pinto LCS, Brito MVH. The role of adiponectin in ischemia-reperfusion syndrome: a literature review. EINSTEIN-SAO PAULO 2020; 18:eRW5160. [PMID: 32876087 PMCID: PMC7444600 DOI: 10.31744/einstein_journal/2020rw5160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 12/03/2019] [Indexed: 02/05/2023] Open
Abstract
Adiponectin, among other diverse adipokines, is produced in greater quantity and has an effect on the adipose tissue and other tissues in the body. Adiponectin plays three main roles: regulatory metabolic and sensitizing function of insulin in the liver and muscles; it acts as an anti-inflammatory cytokine and in vascular protection, besides important cardiac protection in the presence of ischemia-reperfusion syndrome. Since many situations resulting from traumatic accidents or pathologies are due to cell damage caused by ischemia-reperfusion syndrome, it is relevant to study new therapeutic alternatives that will contribute to reducing these lesions. The objective of this study is to carry out a literature review on the role of adiponectin in ischemia-reperfusion syndrome.
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Kim JY, Barua S, Jeong YJ, Lee JE. Adiponectin: The Potential Regulator and Therapeutic Target of Obesity and Alzheimer's Disease. Int J Mol Sci 2020; 21:ijms21176419. [PMID: 32899357 PMCID: PMC7504582 DOI: 10.3390/ijms21176419] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 08/28/2020] [Accepted: 08/28/2020] [Indexed: 02/08/2023] Open
Abstract
Animal and human mechanistic studies have consistently shown an association between obesity and Alzheimer’s disease (AD). AD, a degenerative brain disease, is the most common cause of dementia and is characterized by the presence of extracellular amyloid beta (Aβ) plaques and intracellular neurofibrillary tangles disposition. Some studies have recently demonstrated that Aβ and tau cannot fully explain the pathophysiological development of AD and that metabolic disease factors, such as insulin, adiponectin, and antioxidants, are important for the sporadic onset of nongenetic AD. Obesity prevention and treatment can be an efficacious and safe approach to AD prevention. Adiponectin is a benign adipokine that sensitizes the insulin receptor signaling pathway and suppresses inflammation. It has been shown to be inversely correlated with adipose tissue dysfunction and may enhance the risk of AD because a range of neuroprotection adiponectin mechanisms is related to AD pathology alleviation. In this study, we summarize the recent progress that addresses the beneficial effects and potential mechanisms of adiponectin in AD. Furthermore, we review recent studies on the diverse medications of adiponectin that could possibly be related to AD treatment, with a focus on their association with adiponectin. A better understanding of the neuroprotection roles of adiponectin will help clarify the precise underlying mechanism of AD development and progression.
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Affiliation(s)
- Jong Youl Kim
- Department of Anatomy, Yonsei University College of Medicine, Seoul 120-752, Korea; (J.Y.K.); (S.B.); (Y.J.J.)
| | - Sumit Barua
- Department of Anatomy, Yonsei University College of Medicine, Seoul 120-752, Korea; (J.Y.K.); (S.B.); (Y.J.J.)
| | - Ye Jun Jeong
- Department of Anatomy, Yonsei University College of Medicine, Seoul 120-752, Korea; (J.Y.K.); (S.B.); (Y.J.J.)
| | - Jong Eun Lee
- Department of Anatomy, Yonsei University College of Medicine, Seoul 120-752, Korea; (J.Y.K.); (S.B.); (Y.J.J.)
- BK21 Plus Project for Medical Sciences, and Brain Research Institute, Yonsei University College of Medicine, Seoul 120-752, Korea
- Correspondence: ; Tel.: +82-2-2228-1646 (ext. 1659); Fax: +82-2-365-0700
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31
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Zhang D, Jin W, Liu H, Liang T, Peng Y, Zhang J, Zhang Y. ENT1 inhibition attenuates apoptosis by activation of cAMP/pCREB/Bcl2 pathway after MCAO in rats. Exp Neurol 2020; 331:113362. [PMID: 32445645 DOI: 10.1016/j.expneurol.2020.113362] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 05/15/2020] [Accepted: 05/18/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND AND PURPOSE The present study was designed to investigate the potential role and the mechanism of equilibrative nucleoside transporter 1 (ENT1) on neuronal apoptosis and neurological deficits after middle cerebral artery occlusion (MCAO) in rats. METHODS One hundred and thirty-four male Sprague-Dawley rats were subjected to two hours of MCAO followed by reperfusion. The time course of the expression level of ENT1 and phosphorylation of CREB were detected by western blot and immunofluorescence staining. Another set of animals were administrated with NBTI, the ENT1 inhibitor, by daily intraperitoneal injection starting at 0.5 h post-MCAO, infarction volume and neurological deficits were measured both at 24 h and 72 h post MCAO. We further explored the neuroprotection machenism by using H89, cAMP dependent protein kinase inhibitor, the expression of Bcl-2, Bax, phosphorylated CREB and Cleaved caspase-3 were quantified by Western blot, neuronal apoptosis were analyed by TUNEL staining. RESULTS The endogenous expression of ENT1 were significantly increased and peaked at 12 h after MCAO. High-dose of NBTI (15 mg/kg) reduced brain infarction volume and improved neurologic deficits both at 24 h and 72 h post MCAO. Moreover, NBTI significantly increased the level of CREB phosphorylation and extracellular adenosine concentration, and decreased the neuronal apoptosis 24 h after MCAO. NBTI treatment reduced the expression of Bax and cleaved caspase-3, while up-regulated Bcl-2 compared with vehicle group. These effects were abolished by H89 pretreatment. CONCLUSIONS ENT1 inhibition prevented neuronal apoptosis and improves neurological deficits through cAMP/PKA/CREB/Bcl-2 signaling pathway after MCAO in rats. ENT1 might be an effective target in the treatment strategy for ischemic stroke.
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Affiliation(s)
- Dongyun Zhang
- Department of rehabilitation medicine, First Affiliated Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China; Department of neurology, Affiliated Hospital, Zunyi medical University, Zunyi, China
| | - Weidong Jin
- Department of Laboratory Medicine, First Affiliated Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Hongliang Liu
- Department of rehabilitation medicine, First Affiliated Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Tao Liang
- Department of neurology, Affiliated Hospital, Zunyi medical University, Zunyi, China
| | - Yan Peng
- Department of neurology, Affiliated Hospital, Zunyi medical University, Zunyi, China
| | - Jun Zhang
- Department of neurology, Affiliated Hospital, Zunyi medical University, Zunyi, China.
| | - Yang Zhang
- Department of Laboratory Medicine, Chongqing University Cancer Hospital, Chongqing, China.
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32
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Kaushik P, Ali M, Tabassum H, Parvez S. Post-ischemic administration of dopamine D2 receptor agonist reduces cell death by activating mitochondrial pathway following ischemic stroke. Life Sci 2020; 261:118349. [PMID: 32853654 DOI: 10.1016/j.lfs.2020.118349] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 08/17/2020] [Accepted: 08/22/2020] [Indexed: 12/21/2022]
Abstract
AIMS Cerebral ischemic stroke leads to mitochondrial alterations which are key factors for initiation of various cascades resulting in neuronal damage. Dopamine D2 receptor (D2R) agonist, Sumanirole (SUM) has been reported to possess anti-inflammatory, anti-oxidant, and anti-apoptotic properties. However, the role of SUM in ischemic stroke (IS) has not been studied yet. The aim of the present study was to investigate the neuroprotective efficiency of SUM against ischemic injury and its possible effect on mitochondrial restorative mechanisms. MATERIALS AND METHODS Transient middle cerebral artery occlusion (tMCAO) was performed in Wistar rats for 90 min occlusion and 22.5 h reperfusion to mimic ischemic stroke. Post- treatment with Sumanirole (0.1 mg/kg and 1 mg/kg; s.c.) was done at 1 h, 6 h, 12 hand 18 h after surgery. In addition, neurobehavioral analysis, mitochondrial reactive oxygen species and mitochondrial membrane potential by flow cytometric analysis, mitochondrial complexes analysis, infarct size evaluation and histological analysis were performed. KEY FINDINGS Sumanirole restored behavioural alterations as measured by rotarod performance, grip strength, adhesive tape removal analysis and neurological deficits. In addition, it also refurbished mitochondrial dysfunction by decreasing mitochondrial reactive oxygen species production, elevating mitochondrial membrane potential and by protecting the activity of mitochondrial complexes along with histological alterations. As a result, infarct sizes were markedly reduced in tMCAO surgery animals. SIGNIFICANCE Findings from the study provide evidence that SUM promotes neuronal survival in in vivo model of IS through mitochondria mediated neuroprotective features.
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Affiliation(s)
- Pooja Kaushik
- Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Mubashshir Ali
- Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Heena Tabassum
- Division of Basic Medical Sciences, Indian Council of Medical Research, Ministry of Health and Family Welfare, Government of India, V. Ramalingaswamy Bhawan, New Delhi 110029, India
| | - Suhel Parvez
- Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India.
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33
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Liu H, Wu X, Luo J, Zhao L, Li X, Guo H, Bai H, Cui W, Guo W, Feng D, Qu Y. Adiponectin peptide alleviates oxidative stress and NLRP3 inflammasome activation after cerebral ischemia-reperfusion injury by regulating AMPK/GSK-3β. Exp Neurol 2020; 329:113302. [DOI: 10.1016/j.expneurol.2020.113302] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 03/20/2020] [Accepted: 04/03/2020] [Indexed: 12/21/2022]
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34
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Li S, Lu Y, Ding D, Ma Z, Xing X, Hua X, Xu J. Fibroblast growth factor 2 contributes to the effect of salidroside on dendritic and synaptic plasticity after cerebral ischemia/reperfusion injury. Aging (Albany NY) 2020; 12:10951-10968. [PMID: 32518214 PMCID: PMC7346066 DOI: 10.18632/aging.103308] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Accepted: 04/27/2020] [Indexed: 12/13/2022]
Abstract
Ischemic stroke, a serious neurological disease, is associated with cell death, axonal and dendritic plasticity, and other activities. Anti-inflammatory, anti-apoptotic, promote dendritic and synaptic plasticity are critical therapeutic targets after ischemic stroke. Fibroblast growth factor-2 (FGF2), which is involved in the cyclic adenosine monophosphate (cAMP)/protein kinase A (PKA)/CAMP response element (CRE)-binding protein (CREB) pathway, has been shown to facilitate dendritic and synaptic plasticity. Salidroside (Sal) has been reported to have anti-inflammatory, anti-oxidative, and anti-apoptotic effects; however, the underlying mechanisms of Sal in promoting dendritic and synaptic plasticity remain unclear. Here, the anti-inflammatory, anti-apoptotic, dendritic and synaptic plasticity effects of Sal were investigated in vitro in PC12 cells under oxygen-glucose deprivation/reoxygenation (OGD/R) conditions and in vivo in rats with middle cerebral artery occlusion/reperfusion (MCAO/R). We investigated the role of Sal in promoting dendritic and synaptic plasticity in the ischemic penumbra and whether the FGF2-mediated cAMP/PKA/CREB pathway was involved in this process. The present study demonstrated that Sal could significantly inhibit inflammation and apoptosis, and promote dendritic and synaptic plasticity. Overall, our study suggests that Sal is an effective treatment for ischemic stroke that functions via the FGF2-mediated cAMP/PKA/CREB pathway to promote dendritic and synaptic plasticity.
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Affiliation(s)
- Sisi Li
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China.,Department of Rehabilitation Medicine, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, PR China
| | - Yechen Lu
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China.,Department of Rehabilitation Medicine, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, PR China
| | - Daofang Ding
- Department of Rehabilitation Medicine, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, PR China
| | - Zhenzhen Ma
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China.,Department of Rehabilitation Medicine, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, PR China
| | - Xiangxin Xing
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China.,Department of Rehabilitation Medicine, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, PR China
| | - Xuyun Hua
- Department of Rehabilitation Medicine, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, PR China.,Department of Trauma and Orthopedics, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, PR China
| | - Jianguang Xu
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China.,Department of Rehabilitation Medicine, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, PR China.,Department of Hand Surgery, Huashan Hospital, Fudan University, Shanghai 200040, PR China
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35
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Liu H, Guo W, Guo H, Zhao L, Yue L, Li X, Feng D, Luo J, Wu X, Cui W, Qu Y. Bakuchiol Attenuates Oxidative Stress and Neuron Damage by Regulating Trx1/TXNIP and the Phosphorylation of AMPK After Subarachnoid Hemorrhage in Mice. Front Pharmacol 2020; 11:712. [PMID: 32499702 PMCID: PMC7243250 DOI: 10.3389/fphar.2020.00712] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 04/30/2020] [Indexed: 12/14/2022] Open
Abstract
Subarachnoid hemorrhage (SAH) is a fatal cerebrovascular condition with complex pathophysiology that reduces brain perfusion and causes cerebral functional impairments. An increasing number of studies indicate that early brain injury (EBI), which occurs within the first 72 h of SAH, plays a crucial role in the poor prognosis of SAH. Bakuchiol (Bak) has been demonstrated to have multiorgan protective effects owing to its antioxidative and anti-inflammatory properties. The present study was designed to investigate the effects of Bak on EBI after SAH and its underlying mechanisms. In this study, 428 adult male C57BL/6J mice weighing 20 to 25 g were observed to investigate the effects of Bak administration in an SAH animal model. The neurological function and brain edema were assessed. Content of MDA/3-NT/8-OHdG/superoxide anion and the activity of SOD and GSH-Px were tested. The function of the blood-brain barrier (BBB) and the protein levels of claudin-5, occludin, zonula occludens-1, and matrix metalloproteinase-9 were observed. TUNEL staining and Fluoro-Jade C staining were conducted to evaluate the death of neurons. Ultrastructural changes of the neurons were observed under the transmission electron microscope. Finally, the roles of Trx, TXNIP, and AMPK in the protective effect of Bak were investigated. The data showed that Bak administration 1) increased the survival rate and alleviated neurological functional deficits; 2) alleviated BBB disruption and brain edema; 3) attenuated oxidative stress by reducing reactive oxygen species, MDA, 3-NT, 8-OHdG, gp91phox, and 4-HNE; increased the activities of SOD and GSH-Px; and alleviated the damage to the ultrastructure of mitochondria; 4) inhibited cellular apoptosis by regulating the protein levels of Bcl-2, Bax, and cleaved caspase-3; and 5) upregulated the protein levels of Trx1 as well as the phosphorylation of AMPK and downregulated the protein levels of TXNIP. Moreover, the protective effects of Bak were partially reversed by PX-12 and compound C. To summarize, Bak attenuates EBI after SAH by alleviating BBB disruption, oxidative stress, and apoptosis via regulating Trx1/TXNIP expression and the phosphorylation of AMPK. Its powerful protective effects might make Bak a promising novel drug for the treatment of EBI after SAH.
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Affiliation(s)
- Haixiao Liu
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China.,Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Wei Guo
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Hao Guo
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Lei Zhao
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Liang Yue
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Xia Li
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Dayun Feng
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Jianing Luo
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Xun Wu
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Wenxing Cui
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Yan Qu
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
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36
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Belmonte KCD, Harman JC, Lanson NA, Gidday JM. Intra- and intergenerational changes in the cortical DNA methylome in response to therapeutic intermittent hypoxia in mice. Physiol Genomics 2019; 52:20-34. [PMID: 31762411 DOI: 10.1152/physiolgenomics.00094.2019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Recent evidence from our laboratory documents functional resilience to retinal ischemic injury in untreated mice derived from parents exposed to repetitive hypoxic conditioning (RHC) before breeding. To begin to understand the epigenetic basis of this intergenerational protection, we used methylated DNA immunoprecipitation and sequencing to identify genes with differentially methylated promoters (DMGPs) in the prefrontal cortex of mice treated directly with the same RHC stimulus (F0-RHC) and in the prefrontal cortex of their untreated F1-generation offspring (F1-*RHC). Subsequent bioinformatic analyses provided key mechanistic insights into how changes in gene expression secondary to promoter hypo- and hypermethylation might afford such protection within and across generations. We found extensive changes in DNA methylation in both generations consistent with the expression of many survival-promoting genes, with twice the number of DMGPs in the cortex of F1*RHC mice relative to their F0 parents that were directly exposed to RHC. In contrast to our hypothesis that similar epigenetic modifications would be realized in the cortices of both F0-RHC and F1-*RHC mice, we instead found relatively few DMGPs common to both generations; in fact, each generation manifested expected injury resilience via distinctly unique gene expression profiles. Whereas in the cortex of F0-RHC mice, predicted protein-protein interactions reflected activation of an anti-ischemic phenotype, networks activated in F1-*RHC cortex comprised networks indicative of a much broader cytoprotective phenotype. Altogether, our results suggest that the intergenerational transfer of an acquired phenotype to offspring does not necessarily require the faithful recapitulation of the conditioning-modified DNA methylome of the parent.
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Affiliation(s)
- Krystal Courtney D Belmonte
- Department of Ophthalmology, Louisiana State University School of Medicine, Health Sciences Center, New Orleans, Louisiana.,Department of Physiology, Louisiana State University School of Medicine, Health Sciences Center, New Orleans, Louisiana
| | - Jarrod C Harman
- Department of Ophthalmology, Louisiana State University School of Medicine, Health Sciences Center, New Orleans, Louisiana.,Neuroscience Center of Excellence, Louisiana State University School of Medicine, Health Sciences Center, New Orleans, Louisiana
| | - Nicholas A Lanson
- Department of Ophthalmology, Louisiana State University School of Medicine, Health Sciences Center, New Orleans, Louisiana
| | - Jeffrey M Gidday
- Department of Ophthalmology, Louisiana State University School of Medicine, Health Sciences Center, New Orleans, Louisiana.,Department of Physiology, Louisiana State University School of Medicine, Health Sciences Center, New Orleans, Louisiana.,Neuroscience Center of Excellence, Louisiana State University School of Medicine, Health Sciences Center, New Orleans, Louisiana
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37
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Li B, Mo L, Yang Y, Zhang S, Xu J, Ge Y, Xu Y, Shi Y, Le G. Processing milk causes the formation of protein oxidation products which impair spatial learning and memory in rats. RSC Adv 2019; 9:22161-22175. [PMID: 35519476 PMCID: PMC9066704 DOI: 10.1039/c9ra03223a] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 07/08/2019] [Indexed: 12/20/2022] Open
Abstract
This study explored the effects of protein oxidation during milk processing on spatial learning and memory in rats. Increasing the heating time, fat content, and inlet air temperature during processing by boiling, microwave heating, spray-drying, or freeze-drying increases milk protein oxidation. Oxidative damage done to milk proteins by microwave heating is greater than that caused by boiling. Dityrosine (DT), as a kind of tyrosine oxidation product, is the most important marker of this process, especially during spray-drying. Rats received diets containing either SWM (spray-dried milk powder diet), FWM (freeze-dried milk powder diet), FWM + LDT (freeze-dried milk powder + low dityrosine diet, DT: 1.4 mg kg-1), or FWM + HDT (freeze-dried milk powder + high dityrosine diet, DT: 2.8 mg kg-1) for 6 weeks. We found that the SWM group, the FWM + LDT group, and the FWM + HDT group appeared to have various degrees of redox state imbalance and oxidative damage in plasma, liver, and brain tissues. Further, hippocampal inflammatory and apoptosis genes were significantly up-regulated in such groups, while learning and memory genes were significantly down-regulated. Eventually, varying degrees of spatial learning and memory impairment were demonstrated in those groups in the Morris water maze. This means that humans should control milk protein oxidation and improve the processing methods applied to food.
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Affiliation(s)
- Bowen Li
- The State Key Laboratory of Food Science and Technology, Jiangnan University Li Hu Avenue 1800 Wuxi PR China 214122 +86 510 85917789 +86 510 85869236 +86 510 85917789 +86 13812519691
- Center for Food Nutrition and Functional Food Engineering, School of Food Science and Technology, Jiangnan University Wuxi PR China 214122
| | - Ling Mo
- Center for Food Nutrition and Functional Food Engineering, School of Food Science and Technology, Jiangnan University Wuxi PR China 214122
- School of Public Health, Guilin Medical University Guilin PR China 541001
| | - Yuhui Yang
- Center for Food Nutrition and Functional Food Engineering, School of Food Science and Technology, Jiangnan University Wuxi PR China 214122
- College of Grain and Food Science, Henan University of Technology Zhengzhou PR China 450001
| | - Shuai Zhang
- Center for Food Nutrition and Functional Food Engineering, School of Food Science and Technology, Jiangnan University Wuxi PR China 214122
| | - Jingbing Xu
- Center for Food Nutrition and Functional Food Engineering, School of Food Science and Technology, Jiangnan University Wuxi PR China 214122
| | - Yueting Ge
- Center for Food Nutrition and Functional Food Engineering, School of Food Science and Technology, Jiangnan University Wuxi PR China 214122
| | - Yuncong Xu
- Center for Food Nutrition and Functional Food Engineering, School of Food Science and Technology, Jiangnan University Wuxi PR China 214122
| | - Yonghui Shi
- The State Key Laboratory of Food Science and Technology, Jiangnan University Li Hu Avenue 1800 Wuxi PR China 214122 +86 510 85917789 +86 510 85869236 +86 510 85917789 +86 13812519691
- Center for Food Nutrition and Functional Food Engineering, School of Food Science and Technology, Jiangnan University Wuxi PR China 214122
| | - Guowei Le
- The State Key Laboratory of Food Science and Technology, Jiangnan University Li Hu Avenue 1800 Wuxi PR China 214122 +86 510 85917789 +86 510 85869236 +86 510 85917789 +86 13812519691
- Center for Food Nutrition and Functional Food Engineering, School of Food Science and Technology, Jiangnan University Wuxi PR China 214122
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