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Chen XF, Wu Y, Kim B, Nguyen KV, Chen A, Qiu J, Santoso AR, Disdier C, Lim YP, Stonestreet BS. Neuroprotective efficacy of hypothermia and Inter-alpha Inhibitor Proteins after hypoxic ischemic brain injury in neonatal rats. Neurotherapeutics 2024; 21:e00341. [PMID: 38453562 PMCID: PMC11070713 DOI: 10.1016/j.neurot.2024.e00341] [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: 12/11/2023] [Revised: 02/28/2024] [Accepted: 02/28/2024] [Indexed: 03/09/2024] Open
Abstract
Therapeutic hypothermia is the standard of care for hypoxic-ischemic (HI) encephalopathy. Inter-alpha Inhibitor Proteins (IAIPs) attenuate brain injury after HI in neonatal rats. Human (h) IAIPs (60 mg/kg) or placebo (PL) were given 15 min, 24 and 48 h to postnatal (P) day-7 rats after carotid ligation and 8% oxygen for 90 min with (30 °C) and without (36 °C) exposure to hypothermia 1.5 h after HI for 3 h. Hemispheric volume atrophy (P14) and neurobehavioral tests including righting reflex (P8-P10), small open field (P13-P14), and negative geotaxis (P14) were determined. Hemispheric volume atrophy in males was reduced (P < 0.05) by 41.9% in the normothermic-IAIP and 28.1% in the hypothermic-IAIP compared with the normothermic-PL group, and in females reduced (P < 0.05) by 30.3% in the normothermic-IAIP, 45.7% in hypothermic-PL, and 55.2% in hypothermic-IAIP compared with the normothermic-PL group after HI. Hypothermia improved (P < 0.05) the neuroprotective effects of hIAIPs in females. The neuroprotective efficacy of hIAIPs was comparable to hypothermia in female rats (P = 0.183). Treatment with hIAIPs, hypothermia, and hIAIPs with hypothermia decreased (P < 0.05) the latency to enter the peripheral zone in the small open field test in males. We conclude that hIAIPs provide neuroprotection from HI brain injury that is comparable to the protection by hypothermia, hypothermia increases the effects of hIAIPs in females, and hIAIPs and hypothermia exhibit some sex-related differential effects.
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Affiliation(s)
- Xiaodi F Chen
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, USA; The Alpert Medical School of Brown University, USA
| | - Yuqi Wu
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, USA; The Alpert Medical School of Brown University, USA
| | - Boram Kim
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, USA; The Alpert Medical School of Brown University, USA
| | - Kevin V Nguyen
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, USA; The Alpert Medical School of Brown University, USA
| | - Ainuo Chen
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, USA; The Alpert Medical School of Brown University, USA
| | - Joseph Qiu
- ProThera Biologics, Inc., Providence, RI, USA
| | | | - Clemence Disdier
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, USA; The Alpert Medical School of Brown University, USA
| | - Yow-Pin Lim
- ProThera Biologics, Inc., Providence, RI, USA; The Alpert Medical School of Brown University, Department of Pathology and Laboratory Medicine, Providence, RI, USA
| | - Barbara S Stonestreet
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, USA; The Alpert Medical School of Brown University, USA; Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, Providence, RI, USA.
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Zhao H, Fu X, Zhang Y, Chen C, Wang H. The Role of Pyroptosis and Autophagy in the Nervous System. Mol Neurobiol 2024; 61:1271-1281. [PMID: 37697221 PMCID: PMC10896877 DOI: 10.1007/s12035-023-03614-2] [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: 06/21/2023] [Accepted: 08/23/2023] [Indexed: 09/13/2023]
Abstract
Autophagy is a conservative self-degradation system, which includes the two major processes of enveloping abnormal proteins, organelles and other macromolecules, and transferring them into lysosomes for the subsequent degradation. It holds the stability of the intracellular environment under stress. So far, three types of autophagy have been found: microautophagy, chaperone-mediated autophagy and macroautophagy. Many diseases have the pathological process of autophagy dysfunction, such as nervous system diseases. Pyroptosis is one kind of programmed cell death mediated by gasdermin (GSDM). In this process of pyroptosis, the activated caspase-3, caspase-4/5/11, or caspase-1 cleaves GSDM into the N-terminal pore-forming domain (PFD). The oligomer of PFD combines with the cell membrane to form membrane holes, thus leading to pyroptosis. Pyroptosis plays a key role in multiple tissues and organs. Many studies have revealed that autophagy and pyroptosis participate in the nervous system, but the mechanisms need to be fully clarified. Here, we focused on the recent articles on the role and mechanism of pyroptosis and autophagy in the pathological processes of the nervous system.
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Affiliation(s)
- Huijie Zhao
- Institute of Chronic Disease Risks Assessment, Henan University, Jinming Avenue, Kaifeng, 475004, China
| | - Xiaodi Fu
- School of Basic Medical Sciences, Henan University, Kaifeng, 475004, Henan, China
| | - Yanting Zhang
- School of Clinical Medicine, Henan University, Kaifeng, 475004, Henan, China
| | - Chaoran Chen
- Institute of Nursing and Health, School of Nursing and Health, Henan University, Jinming Avenue, Kaifeng, 475004, China
| | - Honggang Wang
- School of Basic Medical Sciences, Henan University, Kaifeng, 475004, Henan, China.
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Pedroza-García KA, Calderón-Vallejo D, Quintanar JL. Neonatal Hypoxic-Ischemic Encephalopathy: Perspectives of Neuroprotective and Neuroregenerative Treatments. Neuropediatrics 2022; 53:402-417. [PMID: 36030792 DOI: 10.1055/s-0042-1755235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
Hypoxic-ischemic encephalopathy (HIE) is a serious condition that could have deleterious neurological outcomes, such as cerebral palsy, neuromotor disability, developmental disability, epilepsy, and sensitive or cognitive problems, and increase the risk of death in severe cases. Once HIE occurs, molecular cascades are triggered favoring the oxidative stress, excitotoxicity, and inflammation damage that promote cell death via apoptosis or necrosis. Currently, the therapeutic hypothermia is the standard of care in HIE; however, it has a small window of action and only can be used in children of more than 36 gestational weeks; for this reason, it is very important to develop new therapies to prevent the progression of the hypoxic-ischemic injury or to develop neuroregenerative therapies in severe HIE cases. The objective of this revision is to describe the emerging treatments for HIE, either preventing cell death for oxidative stress, excitotoxicity, or exacerbated inflammation, as well as describing a new therapeutic approach for neuroregeneration, such as mesenchymal stem cells, brain-derived neurotrophic factor, and gonadotropin realizing hormone agonists.
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Affiliation(s)
- Karina A Pedroza-García
- Departamento de Fisiología y Farmacología, Laboratorio de Neurofisiología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, México
| | - Denisse Calderón-Vallejo
- Departamento de Fisiología y Farmacología, Laboratorio de Neurofisiología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, México.,Departamento de Morfología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, México
| | - J Luis Quintanar
- Departamento de Fisiología y Farmacología, Laboratorio de Neurofisiología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, México
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Wang X, Wehbe A, Kaura S, Chaudhry N, Geng X, Ding Y. Updates on Selective Brain Hypothermia: Studies From Bench Work to Clinical Trials. Front Neurol 2022; 13:899547. [PMID: 35599727 PMCID: PMC9120368 DOI: 10.3389/fneur.2022.899547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 04/13/2022] [Indexed: 12/01/2022] Open
Abstract
Thrombectomy or thrombolysis are the current standards of care for acute ischemic stroke (AIS), however, due to time constraints regarding operations and a multitude of contraindications, AIS remains one of the leading causes of death and chronic disability worldwide. In recent years, therapeutic hypothermia has been explored as an adjuvant therapy for AIS treatment and has shown potential to improve outcomes in patients with AIS. In particular, selective therapeutic hypothermia has shown to markedly reduce infarct volumes and have neuroprotective effects, while also minimizing many systemic side effects seen with systemic therapeutic hypothermia. Both preclinical and clinical trials have demonstrated that selective therapeutic hypothermia is a safe and feasible therapy for patients who have suffered an AIS. In this review, we summarize the current update on selective hypothermia through major studies that have been conducted in rodents, large animals, and clinical trials, and briefly discuss the prospects of selective hypothermic research. We hope this review helps facilitate the exploration of other possible adjuvant treatment modalities in the neuroprotection of ischemic stroke, whether upon symptom onset or after vascular recanalization.
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Affiliation(s)
- Xiaoyu Wang
- Department of Luhe Institute of Neuroscience, Capital Medical University, Beijing, China
- Department of Neurology, Beijing Luhe Hospital, Capital Medical University, Beijing, China
| | - Alexandra Wehbe
- Department of Neurosurgery, Wayne State University School of Medicine, Detroit, MI, United States
| | - Shawn Kaura
- Lake Erie College of Osteopathic Medicine at Seton Hill, Greensburg, PA, United States
| | - Naveed Chaudhry
- Lake Erie College of Osteopathic Medicine at Seton Hill, Greensburg, PA, United States
| | - Xiaokun Geng
- Department of Luhe Institute of Neuroscience, Capital Medical University, Beijing, China
- Department of Neurology, Beijing Luhe Hospital, Capital Medical University, Beijing, China
- Department of Neurosurgery, Wayne State University School of Medicine, Detroit, MI, United States
- *Correspondence: Xiaokun Geng
| | - Yuchuan Ding
- Department of Neurosurgery, Wayne State University School of Medicine, Detroit, MI, United States
- Yuchuan Ding
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