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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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Kelly SB, Tran NT, Polglase GR, Hunt RW, Nold MF, Nold-Petry CA, Olson DM, Chemtob S, Lodygensky GA, Robertson SA, Gunn AJ, Galinsky R. A systematic review of immune-based interventions for perinatal neuroprotection: closing the gap between animal studies and human trials. J Neuroinflammation 2023; 20:241. [PMID: 37864272 PMCID: PMC10588248 DOI: 10.1186/s12974-023-02911-w] [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: 08/04/2023] [Accepted: 09/28/2023] [Indexed: 10/22/2023] Open
Abstract
BACKGROUND Perinatal infection/inflammation is associated with a high risk for neurological injury and neurodevelopmental impairment after birth. Despite a growing preclinical evidence base, anti-inflammatory interventions have not been established in clinical practice, partly because of the range of potential targets. We therefore systematically reviewed preclinical studies of immunomodulation to improve neurological outcomes in the perinatal brain and assessed their therapeutic potential. METHODS We reviewed relevant studies published from January 2012 to July 2023 using PubMed, Medline (OvidSP) and EMBASE databases. Studies were assessed for risk of bias using the SYRCLE risk of bias assessment tool (PROSPERO; registration number CRD42023395690). RESULTS Forty preclinical publications using 12 models of perinatal neuroinflammation were identified and divided into 59 individual studies. Twenty-seven anti-inflammatory agents in 19 categories were investigated. Forty-five (76%) of 59 studies reported neuroprotection, from all 19 categories of therapeutics. Notably, 10/10 (100%) studies investigating anti-interleukin (IL)-1 therapies reported improved outcome, whereas half of the studies using corticosteroids (5/10; 50%) reported no improvement or worse outcomes with treatment. Most studies (49/59, 83%) did not control core body temperature (a known potential confounder), and 25 of 59 studies (42%) did not report the sex of subjects. Many studies did not clearly state whether they controlled for potential study bias. CONCLUSION Anti-inflammatory therapies are promising candidates for treatment or even prevention of perinatal brain injury. Our analysis highlights key knowledge gaps and opportunities to improve preclinical study design that must be addressed to support clinical translation.
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Affiliation(s)
- Sharmony B Kelly
- The Ritchie Centre, Hudson Institute of Medical Research, 27-31 Wright Street, Clayton, Melbourne, VIC, 3168, Australia
- Department of Obstetrics and Gynaecology, Monash University, Melbourne, VIC, Australia
| | - Nhi T Tran
- The Ritchie Centre, Hudson Institute of Medical Research, 27-31 Wright Street, Clayton, Melbourne, VIC, 3168, Australia
| | - Graeme R Polglase
- The Ritchie Centre, Hudson Institute of Medical Research, 27-31 Wright Street, Clayton, Melbourne, VIC, 3168, Australia
- Department of Obstetrics and Gynaecology, Monash University, Melbourne, VIC, Australia
| | - Rodney W Hunt
- The Ritchie Centre, Hudson Institute of Medical Research, 27-31 Wright Street, Clayton, Melbourne, VIC, 3168, Australia
- Department of Paediatrics, Monash University, Melbourne, VIC, Australia
- Monash Newborn, Monash Children's Hospital, Melbourne, Australia
| | - Marcel F Nold
- The Ritchie Centre, Hudson Institute of Medical Research, 27-31 Wright Street, Clayton, Melbourne, VIC, 3168, Australia
- Department of Paediatrics, Monash University, Melbourne, VIC, Australia
- Monash Newborn, Monash Children's Hospital, Melbourne, Australia
| | - Claudia A Nold-Petry
- The Ritchie Centre, Hudson Institute of Medical Research, 27-31 Wright Street, Clayton, Melbourne, VIC, 3168, Australia
- Department of Paediatrics, Monash University, Melbourne, VIC, Australia
| | - David M Olson
- Department of Obstetrics and Gynaecology, University of Alberta, Edmonton, Canada
| | - Sylvain Chemtob
- Department of Paediatrics, CHU Sainte Justine Research Centre, University of Montreal, Quebec, Canada
| | - Gregory A Lodygensky
- Department of Paediatrics, CHU Sainte Justine Research Centre, University of Montreal, Quebec, Canada
| | - Sarah A Robertson
- The University of Adelaide, Robinson Research Institute, North Adelaide, SA, Australia
| | - Alistair J Gunn
- Department of Physiology, The University of Auckland, Auckland, New Zealand
| | - Robert Galinsky
- The Ritchie Centre, Hudson Institute of Medical Research, 27-31 Wright Street, Clayton, Melbourne, VIC, 3168, Australia.
- Department of Obstetrics and Gynaecology, Monash University, Melbourne, VIC, Australia.
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Chen X, Zhang J, Wu Y, Tucker R, Baird GL, Domonoske R, Barrios-Anderson A, Lim YP, Bath K, Walsh EG, Stonestreet BS. Inter-alpha Inhibitor Proteins Ameliorate Brain Injury and Improve Behavioral Outcomes in a Sex-Dependent Manner After Exposure to Neonatal Hypoxia Ischemia in Newborn and Young Adult Rats. Neurotherapeutics 2022; 19:528-549. [PMID: 35290609 PMCID: PMC9226254 DOI: 10.1007/s13311-022-01217-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/07/2022] [Indexed: 12/16/2022] Open
Abstract
Hypoxic-ischemic (HI) brain injury is a major contributor to neurodevelopmental morbidities. Inter-alpha inhibitor proteins (IAIPs) have neuroprotective effects on HI-related brain injury in neonatal rats. However, the effects of treatment with IAIPs on sequential behavioral, MRI, and histopathological abnormalities in the young adult brain after treatment with IAIPs in neonates remain to be determined. The objective of this study was to examine the neuroprotective effects of IAIPs at different neurodevelopmental stages from newborn to young adults after exposure of neonates to HI injury. IAIPs were given as 11-sequential 30-mg/kg doses to postnatal (P) day 7-21 rats after right common carotid artery ligation and exposure to 90 min of 8% oxygen. The resulting brain edema and injury were examined by T2-weighted magnetic resonance imaging (MRI) and cresyl violet staining, respectively. The mean T2 values of the ipsilateral hemisphere from MRI slices 6 to 10 were reduced in IAIP-treated HI males + females on P8, P9, and P10 and females on P8, P9, P10, and P14. IAIP treatment reduced hemispheric volume atrophy by 44.5 ± 29.7% in adult male + female P42 rats and improved general locomotor abilities measured by the righting reflex over time at P7.5, P8, and P9 in males + females and males and muscle strength/endurance measured by wire hang on P16 in males + females and females. IAIPs provided beneficial effects during the learning phase of the Morris water maze with females exhibiting beneficial effects. IAIPs confer neuroprotection from HI-related brain injury in neonates and even in adult rats and beneficial MRI and behavioral benefits in a sex-dependent manner.
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Affiliation(s)
- Xiaodi Chen
- Department of Pediatrics, Infants Hospital of Rhode Island, Warren Alpert Medical School of Brown University, Women &101 Dudley Street, Providence, RI, 02905-2499, USA
| | - Jiyong Zhang
- Department of Pediatrics, Infants Hospital of Rhode Island, Warren Alpert Medical School of Brown University, Women &101 Dudley Street, Providence, RI, 02905-2499, USA
| | - Yuqi Wu
- Department of Pediatrics, Infants Hospital of Rhode Island, Warren Alpert Medical School of Brown University, Women &101 Dudley Street, Providence, RI, 02905-2499, USA
| | - Richard Tucker
- Department of Pediatrics, Infants Hospital of Rhode Island, Warren Alpert Medical School of Brown University, Women &101 Dudley Street, Providence, RI, 02905-2499, USA
| | - Grayson L Baird
- Department of Diagnostic Imaging, Biostatistics Core Lifespan Hospital System, Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Rose Domonoske
- Department of Pediatrics, Infants Hospital of Rhode Island, Warren Alpert Medical School of Brown University, Women &101 Dudley Street, Providence, RI, 02905-2499, USA
| | - Adriel Barrios-Anderson
- Department of Pediatrics, Infants Hospital of Rhode Island, Warren Alpert Medical School of Brown University, Women &101 Dudley Street, Providence, RI, 02905-2499, USA
| | - Yow-Pin Lim
- ProThera Biologics, Inc, Providence, RI, USA
- Department of Pathology and Laboratory Medicine, Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Kevin Bath
- Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY, USA
- Department of Psychiatry, Columbia University Irving Medical College, New York, NY, USA
| | - Edward G Walsh
- Department of Neuroscience, Brown University, Providence, RI, USA
| | - Barbara S Stonestreet
- Department of Pediatrics, Infants Hospital of Rhode Island, Warren Alpert Medical School of Brown University, Women &101 Dudley Street, Providence, RI, 02905-2499, USA.
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