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Davis CK, Arruri V, Joshi P, Vemuganti R. Non-pharmacological interventions for traumatic brain injury. J Cereb Blood Flow Metab 2024; 44:641-659. [PMID: 38388365 PMCID: PMC11197135 DOI: 10.1177/0271678x241234770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 02/05/2024] [Accepted: 02/07/2024] [Indexed: 02/24/2024]
Abstract
Heterogeneity and variability of symptoms due to the type, site, age, sex, and severity of injury make each case of traumatic brain injury (TBI) unique. Considering this, a universal treatment strategy may not be fruitful in managing outcomes after TBI. Most of the pharmacological therapies for TBI aim at modifying a particular pathway or molecular process in the sequelae of secondary injury rather than a holistic approach. On the other hand, non-pharmacological interventions such as hypothermia, hyperbaric oxygen, preconditioning with dietary adaptations, exercise, environmental enrichment, deep brain stimulation, decompressive craniectomy, probiotic use, gene therapy, music therapy, and stem cell therapy can promote healing by modulating multiple neuroprotective mechanisms. In this review, we discussed the major non-pharmacological interventions that are being tested in animal models of TBI as well as in clinical trials. We evaluated the functional outcomes of various interventions with an emphasis on the links between molecular mechanisms and outcomes after TBI.
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Affiliation(s)
- Charles K Davis
- Department of Neurological Surgery, University of Wisconsin, Madison, WI, USA
| | - Vijay Arruri
- Department of Neurological Surgery, University of Wisconsin, Madison, WI, USA
| | - Pallavi Joshi
- Department of Neurological Surgery, University of Wisconsin, Madison, WI, USA
- Neuroscience Training Program, University of Wisconsin, Madison, WI, USA
| | - Raghu Vemuganti
- Department of Neurological Surgery, University of Wisconsin, Madison, WI, USA
- Neuroscience Training Program, University of Wisconsin, Madison, WI, USA
- William S. Middleton Memorial Veterans Hospital, Madison, WI, USA
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Xu MT, Zhang M, Wang GL, Gong S, Luo MJ, Zhang J, Yuan HJ, Tan JH. Postovulatory Aging of Mouse Oocytes Impairs Offspring Behavior by Causing Oxidative Stress and Damaging Mitochondria. Cells 2024; 13:758. [PMID: 38727294 PMCID: PMC11083947 DOI: 10.3390/cells13090758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 04/25/2024] [Accepted: 04/27/2024] [Indexed: 05/13/2024] Open
Abstract
Information on long-term effects of postovulatory oocyte aging (POA) on offspring is limited. Whether POA affects offspring by causing oxidative stress (OS) and mitochondrial damage is unknown. Here, in vivo-aged (IVA) mouse oocytes were collected 9 h after ovulation, while in vitro-aged (ITA) oocytes were obtained by culturing freshly ovulated oocytes for 9 h in media with low, moderate, or high antioxidant potential. Oocytes were fertilized in vitro and blastocysts transferred to produce F1 offspring. F1 mice were mated with naturally bred mice to generate F2 offspring. Both IVA and the ITA groups in low antioxidant medium showed significantly increased anxiety-like behavior and impaired spatial and fear learning/memory and hippocampal expression of anxiolytic and learning/memory-beneficial genes in both male and female F1 offspring. Furthermore, the aging in both groups increased OS and impaired mitochondrial function in oocytes, blastocysts, and hippocampus of F1 offspring; however, it did not affect the behavior of F2 offspring. It is concluded that POA caused OS and damaged mitochondria in aged oocytes, leading to defects in anxiety-like behavior and learning/memory of F1 offspring. Thus, POA is a crucial factor that causes psychological problems in offspring, and antioxidant measures may be taken to ameliorate the detrimental effects of POA on offspring.
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Affiliation(s)
| | | | | | | | | | | | - Hong-Jie Yuan
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an 271018, China; (M.-T.X.); (M.Z.); (G.-L.W.); (S.G.); (M.-J.L.); (J.Z.)
| | - Jing-He Tan
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an 271018, China; (M.-T.X.); (M.Z.); (G.-L.W.); (S.G.); (M.-J.L.); (J.Z.)
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Taylor MA, Kokiko-Cochran ON. Context is key: glucocorticoid receptor and corticosteroid therapeutics in outcomes after traumatic brain injury. Front Cell Neurosci 2024; 18:1351685. [PMID: 38529007 PMCID: PMC10961349 DOI: 10.3389/fncel.2024.1351685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 02/21/2024] [Indexed: 03/27/2024] Open
Abstract
Traumatic brain injury (TBI) is a global health burden, and survivors suffer functional and psychiatric consequences that can persist long after injury. TBI induces a physiological stress response by activating the hypothalamic-pituitary-adrenal (HPA) axis, but the effects of injury on the stress response become more complex in the long term. Clinical and experimental evidence suggests long lasting dysfunction of the stress response after TBI. Additionally, pre- and post-injury stress both have negative impacts on outcome following TBI. This bidirectional relationship between stress and injury impedes recovery and exacerbates TBI-induced psychiatric and cognitive dysfunction. Previous clinical and experimental studies have explored the use of synthetic glucocorticoids as a therapeutic for stress-related TBI outcomes, but these have yielded mixed results. Furthermore, long-term steroid treatment is associated with multiple negative side effects. There is a pressing need for alternative approaches that improve stress functionality after TBI. Glucocorticoid receptor (GR) has been identified as a fundamental link between stress and immune responses, and preclinical evidence suggests GR plays an important role in microglia-mediated outcomes after TBI and other neuroinflammatory conditions. In this review, we will summarize GR-mediated stress dysfunction after TBI, highlighting the role of microglia. We will discuss recent studies which target microglial GR in the context of stress and injury, and we suggest that cell-specific GR interventions may be a promising strategy for long-term TBI pathophysiology.
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Affiliation(s)
| | - Olga N. Kokiko-Cochran
- Department of Neuroscience, Chronic Brain Injury Program, Institute for Behavioral Medicine Research, College of Medicine, The Ohio State University, Columbus, OH, United States
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Ismail H, Khalid D, Waseem D, Ijaz MU, Dilshad E, Haq IU, Bhatti MZ, Anwaar S, Ahmed M, Saleem S. Bioassays guided isolation of berberine from Berberis lycium and its neuroprotective role in aluminium chloride induced rat model of Alzheimer's disease combined with insilico molecular docking. PLoS One 2023; 18:e0286349. [PMID: 37910530 PMCID: PMC10619822 DOI: 10.1371/journal.pone.0286349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 05/13/2023] [Indexed: 11/03/2023] Open
Abstract
OBJECTIVE Berberis lycium is an indigenous plant of Pakistan that is known for its medicinal properties. In the current study, we investigated the anti-Alzheimer's effect of berberine isolated from Berberis lycium. METHODS Root extract of B. lycium was subjected to acetylcholinesterase inhibition assay and column chromatography for bioassays guided isolation of a compound. The neuroprotective and memory improving effects of isolated compound were evaluated by aluminium chloride induced Alzheimer's disease rat model, elevated plus maze (EPM) and Morris water maze (MWM) tests., Levels of dopamine and serotonin in rats brains were determined using HPLC. Moreover, western blot and docking were performed to determine interaction between berberine and β-secretase. RESULTS During fractionation, ethyl acetate and methanol (3:7) fraction was collected from solvent mixture of ethyl acetate and methanol. This fraction showed the highest anti-acetylcholinesterase activity and was alkaloid positive. The results of TLC and HPLC analysis indicated the presence of the isolated compound as berberine. Additionally, the confirmation of isolated compound as berberine was carried out using FTIR and NMR analysis. In vivo EPM and MWM tests showed improved memory patterns after berberine treatment in Alzheimer's disease model. The levels of dopamine, serotonin and activity of antioxidant enzymes were significantly (p<0.05) enhanced in brain tissue homogenates of berberine treated group. This was supported by decreased expression of β-secretase in berberine treated rat brain homogenates and good binding affinity of berberine with β-secretase in docking studies. Binding energies for interaction of β-secretase with berberine and drug Rivastigmine is -7.0 kcal/mol and -5.8 kcal/mol respectively representing the strong interactions. The results of docked complex of secretase with berberine and Rivastigmine was carried out using Gromacs which showed significant stability of complex in terms of RMSD and radius of gyration. Overall, the study presents berberine as a potential drug against Alzheimer's disease by providing evidence of its effects in improving memory, neurotransmitter levels and reducing β-secretase expression in the Alzheimer's disease model.
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Affiliation(s)
- Hammad Ismail
- Department of Biochemistry and Biotechnology, University of Gujrat, Gujrat, Pakistan
| | - Dania Khalid
- Department of Biochemistry and Biotechnology, University of Gujrat, Gujrat, Pakistan
| | - Durdana Waseem
- Shifa College of Pharmaceutical Sciences, Shifa Tameer-e-Millat University, Islamabad, Pakistan
| | - Muhammad Umar Ijaz
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, Pakistan
| | - Erum Dilshad
- Department of Bioinformatics and Biosciences, Faculty of Health and Life Sciences, Capital University of Science and Technology, Islamabad, Pakistan
| | - Ihsan-ul Haq
- Department of Pharmacy, Quaid-i-Azam University, Islamabad, Pakistan
| | - Muhammad Zeeshan Bhatti
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi, Pakistan
| | - Sadaf Anwaar
- Department of Biological Sciences, International Islamic University, Islamabad, Pakistan
| | - Madiha Ahmed
- Shifa College of Pharmaceutical Sciences, Shifa Tameer-e-Millat University, Islamabad, Pakistan
| | - Samreen Saleem
- Department of Nutrition and Lifestyle Medicine, Health Services Academy, Islamabad, Pakistan
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Kraus KL, Nawreen N, Godale CM, Chordia AP, Packard B, LaSarge CL, Herman JP, Danzer SC. Hippocampal glucocorticoid receptors modulate status epilepticus severity. Neurobiol Dis 2023; 178:106014. [PMID: 36702319 PMCID: PMC10055427 DOI: 10.1016/j.nbd.2023.106014] [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: 11/03/2022] [Revised: 01/04/2023] [Accepted: 01/22/2023] [Indexed: 01/24/2023] Open
Abstract
Status epilepticus (SE) is a life-threatening medical emergency with significant morbidity and mortality. SE is associated with a robust and sustained increase in serum glucocorticoids, reaching concentrations sufficient to activate the dense population of glucocorticoid receptors (GRs) expressed among hippocampal excitatory neurons. Glucocorticoid exposure can increase hippocampal neuron excitability; however, whether activation of hippocampal GRs during SE exacerbates seizure severity remains unknown. To test this, a viral strategy was used to delete GRs from a subset of hippocampal excitatory neurons in adult male and female mice, producing hippocampal GR knockdown mice. Two weeks after GR knockdown, mice were challenged with the convulsant drug pilocarpine to induce SE. GR knockdown had opposing effects on early vs late seizure behaviors, with sex influencing responses. For both male and female mice, the onset of mild behavioral seizures was accelerated by GR knockdown. In contrast, GR knockdown delayed the onset of more severe convulsive seizures and death in male mice. Concordantly, GR knockdown also blunted the SE-induced rise in serum corticosterone in male mice. GR knockdown did not alter survival times or serum corticosterone in females. To assess whether loss of GR affected susceptibility to SE-induced cell death, within-animal analyses were conducted comparing local GR knockdown rates to local cell loss. GR knockdown did not affect the degree of localized neuronal loss, suggesting cell-intrinsic GR signaling neither protects nor sensitizes neurons to acute SE-induced death. Overall, the findings reveal that hippocampal GRs exert an anti-convulsant role in both males and females in the early stages of SE, followed by a switch to a pro-convulsive role for males only. Findings reveal an unexpected complexity in the interaction between hippocampal GR activation and the progression of SE.
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Affiliation(s)
- Kimberly L Kraus
- Medical Scientist Training Program, University of Cincinnati College of Medicine, Cincinnati, OH, United States of America; Neuroscience Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH, United States of America; Department of Anesthesia, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States of America.
| | - Nawshaba Nawreen
- Neuroscience Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH, United States of America; Department of Pharmacology and Systems Physiology, University of Cincinnati School of Medicine, Cincinnati, OH, United States of America.
| | - Christin M Godale
- Neuroscience Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH, United States of America; Department of Anesthesia, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States of America.
| | - Arihant P Chordia
- Department of Anesthesia, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States of America.
| | - Ben Packard
- Department of Pharmacology and Systems Physiology, University of Cincinnati School of Medicine, Cincinnati, OH, United States of America.
| | - Candi L LaSarge
- Neuroscience Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH, United States of America; Department of Anesthesia, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States of America; Department of Anesthesiology, University of Cincinnati School of Medicine, Cincinnati, OH, United States of America
| | - James P Herman
- Medical Scientist Training Program, University of Cincinnati College of Medicine, Cincinnati, OH, United States of America; Department of Anesthesiology, University of Cincinnati School of Medicine, Cincinnati, OH, United States of America.
| | - Steve C Danzer
- Medical Scientist Training Program, University of Cincinnati College of Medicine, Cincinnati, OH, United States of America; Neuroscience Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH, United States of America; Department of Anesthesia, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States of America; Department of Anesthesiology, University of Cincinnati School of Medicine, Cincinnati, OH, United States of America.
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Defining Experimental Variability in Actuator-Driven Closed Head Impact in Rats. Ann Biomed Eng 2022; 50:1187-1202. [PMID: 35994166 DOI: 10.1007/s10439-022-03012-0] [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: 05/27/2022] [Accepted: 07/04/2022] [Indexed: 11/01/2022]
Abstract
Traumatic brain injury (TBI) is a world-wide health challenge that lacks tools for diagnosis and treatment. There is a need for translational preclinical models to effectively design clinical tools, however, the diversity of models is a barrier to reproducible studies. Actuator-driven closed head impact (AD-CHI) models have translational advantages in replicating the pathophysiological and behavioral outcomes resulting from impact TBI. The main advantages of AD-CHI protocols include versatility of impact parameters such as impact angle, velocity, depth, and dwell time with the ability to interchange tip types, leading to consistent outcomes without the need for craniectomy. Sources of experimental variability within AD-CHI rat models are identified within this review with the aim of supporting further characterization to improve translational value. Primary areas of variability may be attributed to lack of standardization of head stabilization methods, reporting of tip properties, and performance of acute neurological assessments. AD-CHI models were also found to be more prevalently used among pediatric and repeated TBI paradigms. As this model continues to grow in use, establishing the relationships between impact parameters and associated injury outcomes will reduce experimental variability between research groups and encourage meaningful discussions as the community moves towards common data elements.
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Svirsky SE, Ranellone NS, Parry M, Holets E, Henchir J, Li Y, Carlson SW, Edward Dixon C. All-trans Retinoic Acid has Limited Therapeutic Effects on Cognition and Hippocampal Protein Expression After Controlled Cortical Impact. Neuroscience 2022; 499:130-141. [PMID: 35878718 DOI: 10.1016/j.neuroscience.2022.07.021] [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: 05/16/2022] [Revised: 07/15/2022] [Accepted: 07/18/2022] [Indexed: 10/17/2022]
Abstract
Traumatic brain injury (TBI) is known to impair synaptic function, and subsequently contribute to observed cognitive deficits. Retinoic Acid (RA) signaling modulates expression of synaptic plasticity proteins and is involved in hippocampal learning and memory. All trans-retinoic acid (ATRA), a metabolite of Vitamin A, has been identified as a potential pharmacotherapeutic for other neurological disorders due to this role. This study conducted an ATRA dose response to determine its therapeutic effects on cognitive behaviors and expression of hippocampal markers of synaptic plasticity and RA signaling proteins after experimental TBI. Under isoflurane anesthesia, adult male Sprague Dawley rats received either controlled cortical impact (CCI, 2.5 mm deformation, 4 m/s) or control surgery. Animals received daily intraperitoneal injection of 0.5, 1, 5, or 10 mg/kg of ATRA or vehicle for 2 weeks. Animals underwent motor and spatial learning and memory testing. Hippocampal expression of synaptic plasticity proteins neurogranin (Ng), and α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor GluA1 sub-unit, as well as RA signaling proteins STRA6, ADLH1a1, CYP26A1 and CYP26B1 were evaluated by western blot at 2-weeks post-injury. ATRA treatment significantly recovered Ng synaptic protein expression, while having no effect on motor performance, spatial learning, and memory, and GluA1 expression after TBI. RA signaling protein expression is unchanged 2 weeks after TBI. Overall, ATRA administration after TBI showed limited therapeutic benefits compared to the vehicle.
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Affiliation(s)
- Sarah E Svirsky
- Center for Neuroscience, University of Pittsburgh, Pittsburgh, PA, USA; Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
| | - Nicholas S Ranellone
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
| | - Madison Parry
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
| | - Erik Holets
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
| | - Jeremy Henchir
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
| | - Youming Li
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
| | - Shaun W Carlson
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
| | - C Edward Dixon
- Center for Neuroscience, University of Pittsburgh, Pittsburgh, PA, USA; Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA; V.A. Pittsburgh Healthcare System, Pittsburgh, Pennsylvania, USA.
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