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Nebie O, Buée L, Blum D, Burnouf T. Can the administration of platelet lysates to the brain help treat neurological disorders? Cell Mol Life Sci 2022; 79:379. [PMID: 35750991 PMCID: PMC9243829 DOI: 10.1007/s00018-022-04397-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 05/09/2022] [Accepted: 05/23/2022] [Indexed: 11/03/2022]
Abstract
Neurodegenerative disorders of the central nervous system (CNS) and brain traumatic insults are characterized by complex overlapping pathophysiological alterations encompassing neuroinflammation, alterations of synaptic functions, oxidative stress, and progressive neurodegeneration that eventually lead to irreversible motor and cognitive dysfunctions. A single pharmacological approach is unlikely to provide a complementary set of molecular therapeutic actions suitable to resolve these complex pathologies. Recent preclinical data are providing evidence-based scientific rationales to support biotherapies based on administering neurotrophic factors and extracellular vesicles present in the lysates of human platelets collected from healthy donors to the brain. Here, we present the most recent findings on the composition of the platelet proteome that can activate complementary signaling pathways in vivo to trigger neuroprotection, synapse protection, anti-inflammation, antioxidation, and neurorestoration. We also report experimental data where the administration of human platelet lysates (HPL) was safe and resulted in beneficial neuroprotective effects in established rodent models of neurodegenerative diseases such as Parkinson's disease, Alzheimer's disease, traumatic brain injury, and stroke. Platelet-based biotherapies, prepared from collected platelet concentrates (PC), are emerging as a novel pragmatic and accessible translational therapeutic strategy for treating neurological diseases. Based on this assumption, we further elaborated on various clinical, manufacturing, and regulatory issues that need to be addressed to ensure the ethical supply, quality, and safety of HPL preparations for treating neurodegenerative and traumatic pathologies of the CNS. HPL made from PC may become a unique approach for scientifically based treatments of neurological disorders readily accessible in low-, middle-, and high-income countries.
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Affiliation(s)
- Ouada Nebie
- College of Biomedical Engineering, Graduate Institute of Biomedical Materials and Tissue Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- University of Lille, Inserm, CHU Lille, U1172 - LilNCog - Lille Neuroscience and Cognition, 59045, Lille, France
- Alzheimer and Tauopathies, LabEx DISTALZ, LiCEND, 59000, Lille, France
| | - Luc Buée
- University of Lille, Inserm, CHU Lille, U1172 - LilNCog - Lille Neuroscience and Cognition, 59045, Lille, France
- Alzheimer and Tauopathies, LabEx DISTALZ, LiCEND, 59000, Lille, France
- NeuroTMULille International Laboratory, Univ. Lille, Lille, France
| | - David Blum
- University of Lille, Inserm, CHU Lille, U1172 - LilNCog - Lille Neuroscience and Cognition, 59045, Lille, France.
- Alzheimer and Tauopathies, LabEx DISTALZ, LiCEND, 59000, Lille, France.
- NeuroTMULille International Laboratory, Univ. Lille, Lille, France.
- NeuroTMULille International Laboratory, Taipei Medical University, Taipei, 11031, Taiwan.
| | - Thierry Burnouf
- College of Biomedical Engineering, Graduate Institute of Biomedical Materials and Tissue Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan.
- NeuroTMULille International Laboratory, Taipei Medical University, Taipei, 11031, Taiwan.
- International PhD Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, 11031, Taiwan.
- International PhD Program in Cell Therapy and Regeneration Medicine, College of Medicine, Taipei Medical University, Taipei, 11031, Taiwan.
- Brain and Consciousness Research Centre, Taipei Medical University Shuang-Ho Hospital, New Taipei City, 23561, Taiwan.
- Neuroscience Research Center, Taipei Medical University, Taipei, Taiwan.
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Ali M, Falkenhain K, Njiru BN, Murtaza-Ali M, Ruiz-Uribe NE, Haft-Javaherian M, Catchers S, Nishimura N, Schaffer CB, Bracko O. VEGF signalling causes stalls in brain capillaries and reduces cerebral blood flow in Alzheimer's mice. Brain 2022; 145:1449-1463. [PMID: 35048960 PMCID: PMC9150081 DOI: 10.1093/brain/awab387] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 07/09/2021] [Accepted: 09/22/2021] [Indexed: 11/16/2022] Open
Abstract
Increased incidence of stalled capillary blood flow caused by adhesion of
leucocytes to the brain microvascular endothelium leads to a 17%
reduction of cerebral blood flow and exacerbates short-term memory loss in
multiple mouse models of Alzheimer’s disease. Here, we report that vascular endothelial growth factor (VEGF) signalling at the
luminal side of the brain microvasculature plays an integral role in the
capillary stalling phenomenon of the APP/PS1 mouse model. Administration of the anti-mouse VEGF-A164 antibody, an isoform that inhibits
blood–brain barrier hyperpermeability, reduced the number of stalled
capillaries within an hour of injection, leading to an immediate increase in
average capillary blood flow but not capillary diameter. VEGF-A inhibition also
reduced the overall endothelial nitric oxide synthase protein concentrations,
increased occludin levels and decreased the penetration of circulating Evans
Blue dye across the blood–brain barrier into the brain parenchyma,
suggesting increased blood–brain barrier integrity. Capillaries prone to
neutrophil adhesion after anti-VEGF-A treatment also had lower occludin
concentrations than flowing capillaries. Taken together, our findings demonstrate that VEGF-A signalling in APP/PS1 mice
contributes to aberrant endothelial nitric oxide synthase /occludin-associated
blood–brain barrier permeability, increases the incidence of capillary
stalls, and leads to reductions in cerebral blood flow. Reducing leucocyte
adhesion by inhibiting luminal VEGF signalling may provide a novel and
well-tolerated strategy for improving brain microvascular blood flow in
Alzheimer’s disease patients.
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Affiliation(s)
- Muhammad Ali
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA, 148532
| | - Kaja Falkenhain
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA, 148532
| | - Brendah N Njiru
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA, 148532
| | - Muhammad Murtaza-Ali
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA, 148532
| | - Nancy E Ruiz-Uribe
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA, 148532
| | | | | | - Nozomi Nishimura
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA, 148532
| | - Chris B Schaffer
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA, 148532
| | - Oliver Bracko
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA, 148532
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Ali M, Bracko O. VEGF Paradoxically Reduces Cerebral Blood Flow in Alzheimer’s Disease Mice. Neurosci Insights 2022; 17:26331055221109254. [PMID: 35873789 PMCID: PMC9298729 DOI: 10.1177/26331055221109254] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 06/08/2022] [Indexed: 12/19/2022] Open
Abstract
Vascular dysfunction plays a critical role in the development of Alzheimer’s disease. Cerebral blood flow reductions of 10% to 25% present early in disease pathogenesis. Vascular Endothelial Growth Factor-A (VEGF-A) drives angiogenesis, which typically addresses blood flow reductions and global hypoxia. However, recent evidence suggests aberrant VEGF-A signaling in Alzheimer’s disease may undermine its physiological angiogenic function. Instead of improving cerebral blood flow, VEGF-A contributes to brain capillary stalls and blood flow reductions, likely accelerating cognitive decline. In this commentary, we explore the evidence for pathological VEGF signaling in Alzheimer’s disease, and discuss its implications for disease therapy.
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Affiliation(s)
- Muhammad Ali
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Oliver Bracko
- Department of Biology, University of Miami, Coral Gables, FL, USA
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Abdel-Rahman RF, El Awdan SA, Hegazy RR, Mansour DF, Ogaly HA, Abdelbaset M. Neuroprotective effect of Crocus sativus against cerebral ischemia in rats. Metab Brain Dis 2020; 35:427-439. [PMID: 31728890 DOI: 10.1007/s11011-019-00505-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 10/10/2019] [Indexed: 12/16/2022]
Abstract
The present study aimed to investigate the role of vascular endothelial growth factor (VEGF) in the neuroprotective effect of Crocus sativus (saffron) against cerebral ischemia/reperfusion injury (I/R) in rats. Four groups of a total forty I/R rats with 60-min occlusion followed by 48 h reperfusion or sham surgery were used. The sham and left-brain I/R control groups where treated with normal saline. The rats of the other two groups received saffron extract (100 or 200 mg/kg, ip, respectively) for 3 successive weeks prior to left-brain I/R. Other four doses of saffron extract were received by the rats of the last 2 groups 60 min prior to operation, during the surgery, and on days 1 and 2 following reperfusion. I/R group showed marked neurobehavioral, neurochemical and histopathological alterations. The results revealed a significant reduction in neurological deficit scores in the saffron-treated rats at both doses. Saffron significantly attenuated lipid peroxidation, decreased NO and brain natriuretic peptide (BNP) contents in I/R-brain tissue. On the other hand, saffron reversed the depletion of GSH in the injured brain. Moreover, saffron treatment evidently reduced apoptosis as revealed by a decrease in caspase-3 and Bax protein expression with a marked decrease in the apoptotic neuronal cells compared to I/R group. In addition, saffron administration effectively upregulated the expression of VEGF in I/R-brain tissue. In conclusion, saffron treatment offers significant neuroprotection against I/R damage possibly through diminishing oxidative stress and apoptosis and enhancement of VEGF.
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Affiliation(s)
| | | | - Rehab R Hegazy
- Pharmacology Department, National Research Centre, Giza, Egypt
| | - Dina F Mansour
- Pharmacology Department, National Research Centre, Giza, Egypt
| | - H A Ogaly
- Chemistry Department, College of Science, King Khalid University, Abha, Saudi Arabia
- Biochemistry Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
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Abstract
Currently, myopic retinopathy is the most common irreversible blinding disease but its pathophysiology is not completely clear. A cross-sectional, observational study was conducted in a single center to analyze aqueous samples from highly myopic eyes (axial length >25 mm, n = 92) and ametropic or mild myopic eyes (n = 88) for inflammatory cytokines. Vascular endothelial growth factor (VEGF), Interleukin 6 (IL-6), and matrix metalloproteinase-2 (MMP-2) were measured using an enzyme-linked immunosorbent assay. IL-6 and MMP-2 were significantly higher in the highly myopic eyes than in the non-high myopic eyes (IL-6: 11.90 vs. 4.38 pg/mL, p < 0.0001; MMP-2: 13.10 vs. 8.82 ng/mL, p = 0.0003) while adjusting for age, gender, and intraocular pressure. There was a significant positive association between levels of IL-6 and MMP-2 in aqueous humor and the axial lengths of the eye globes (IL-6, β = 0.065, p < 0.0001, n = 134; MMP-2, β = 0.097, p < 0.0001, n = 131). Conversely, VEGF in aqueous humor was significantly lower in the highly myopic eyes than in the non-high myopic eyes (45.56 vs. 96.90 pg/mL, p < 0.0001, n = 153) while age, gender, and intraocular pressure were adjusted. The results suggest that low-grade intraocular inflammation may play an important role in the development and progression of high myopia and myopic retinopathy.
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The impact of experimental preconditioning using vascular endothelial growth factor in stroke and subarachnoid hemorrhage. Stroke Res Treat 2013; 2013:948783. [PMID: 23634319 PMCID: PMC3619542 DOI: 10.1155/2013/948783] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2012] [Accepted: 02/28/2013] [Indexed: 01/17/2023] Open
Abstract
Vascular endothelial growth factor (VEGF) stimulating angiogenesis was shown to be a potential novel therapeutic approach for the treatment of ischemic vascular diseases. The goal of the present study was to examine whether transfection of VEGF before occurrence of major stroke (part I) and cerebral vasospasm after experimental subarachnoid hemorrhage (SAH; part II) develops neuroprotective qualities. A total of 25 (part I) and 26 (part II) brains were analyzed, respectively. In part one, a significant reduction of infarct volume in the VEGF-treated stroke animals (43% reduction, P < 0.05) could be detected. In part two, significant vasospasm was induced in all hemorrhage groups (P < 0.02). Analyzing microperfusion, a significant higher amount of perfused vessels could be detected (P < 0.01), whereas no significant effect could be detected towards macroperfusion. Histologically, no infarctions were observed in the VEGF-treated SAH group and the sham-operated group. Minor infarction in terms of vasospasm-induced small lesions could be detected in the control vector transduced group (P = 0.05) and saline-treated group (P = 0.09). The present study demonstrates the preconditioning impact of systemic intramuscular VEGF injection in animals after major stroke and induced severe vasospasm after SAH.
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Therapeutic interventions against inflammatory and angiogenic mediators in proliferative diabetic retinopathy. Mediators Inflamm 2012; 2012:629452. [PMID: 23028203 PMCID: PMC3457666 DOI: 10.1155/2012/629452] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2012] [Accepted: 08/15/2012] [Indexed: 12/20/2022] Open
Abstract
The global prevalence of diabetes is estimated to be 336 million people, with diabetic complications contributing to significant worldwide morbidity and mortality. Diabetic retinopathy results from cumulative microvascular damage to the retina and inflammation is recognized as a critical driver of this disease process. This paper outlines the pathophysiology leading to proliferative diabetic retinopathy and highlights many of the inflammatory, angiogenic, and cytokine mediators implicated in the development and progression of this disease. We focus a detailed discussion on the current targeted therapeutic interventions used to treat diabetic retinopathy.
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HIF-1α expression in the hippocampus and peripheral macrophages after glutamate-induced excitotoxicity. J Neuroimmunol 2011; 238:12-8. [DOI: 10.1016/j.jneuroim.2011.06.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2010] [Revised: 05/30/2011] [Accepted: 06/01/2011] [Indexed: 01/13/2023]
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NR4A orphan nuclear receptors as mediators of CREB-dependent neuroprotection. Proc Natl Acad Sci U S A 2010; 107:12317-22. [PMID: 20566846 DOI: 10.1073/pnas.1007088107] [Citation(s) in RCA: 122] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Induced expression of neuroprotective genes is essential for maintaining neuronal integrity after stressful insults to the brain. Here we show that NR4A nuclear orphan receptors are induced after excitotoxic and oxidative stress in neurons, up-regulate neuroprotective genes, and increase neuronal survival. Moreover, we show that NR4A proteins are induced by cAMP response element binding protein (CREB) in neurons exposed to stressful insults and that they function as mediators of CREB-induced neuronal survival. Animals with null mutations in three of six NR4A alleles show increased oxidative damage, blunted induction of neuroprotective genes, and increased vulnerability in the hippocampus after treatment with kainic acid. We also demonstrate that NR4A and the transcriptional coactivator PGC-1alpha independently regulate distinct CREB-dependent neuroprotective gene programs. These data identify NR4A nuclear orphan receptors as essential mediators of neuroprotection after exposure to neuropathological stress.
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Emerich DF, Silva E, Ali O, Mooney D, Bell W, Yu SJ, Kaneko Y, Borlongan C. Injectable VEGF hydrogels produce near complete neurological and anatomical protection following cerebral ischemia in rats. Cell Transplant 2010; 19:1063-71. [PMID: 20412616 DOI: 10.3727/096368910x498278] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Vascular endothelial growth factor (VEGF) is a potent proangiogenic peptide and its administration has been considered as a potential neuroprotective strategy following cerebral stroke. Because VEGF has a short half-life and limited access to the brain parenchyma following systemic administration, approaches are being developed to deliver it directly to the site of infarction. In the present study, VEGF was incorporated into a sustained release hydrogel delivery system to examine its potential benefits in a rat model of cerebral ischemia. The hydrogel loaded with VEGF (1 μg) was stereotaxically injected into the striatum of adult rats 15 min prior to a 1-h occlusion of the middle cerebral artery. Two days after surgery, animals were tested for motor function using the elevated bias swing test (EBST) and Bederson neurological battery. Control animals received either stroke alone, stroke plus injections of a blank gel, or a single bolus injection of VEGF (1 μg). Behavioral testing confirmed that the MCA occlusion resulted in significant deficits in the the EBST and Bederson tests. In contrast, the performance of animals receiving VEGF gels was significantly improved relative to controls, with only modest impairments observed. Cerebral infarction analyzed using 2,3,5-triphenyl-tetrazolium chloride staining confirmed that the VEGF gels significantly and potently reduced the lesion volume. No neurological or histological benefits were conferred by either blank gel or bolus VEGF injections. These data demonstrate that VEGF, delivered from a hydrogel directly to the brain, can induce significant functional and structural protection from ischemic damage in a rat model of stroke.
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Wong-Goodrich SJE, Glenn MJ, Mellott TJ, Liu YB, Blusztajn JK, Williams CL. Water maze experience and prenatal choline supplementation differentially promote long-term hippocampal recovery from seizures in adulthood. Hippocampus 2010; 21:584-608. [PMID: 20232399 DOI: 10.1002/hipo.20783] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/12/2010] [Indexed: 12/16/2022]
Abstract
Status epilepticus (SE) in adulthood dramatically alters the hippocampus and produces spatial learning and memory deficits. Some factors, like environmental enrichment and exercise, may promote functional recovery from SE. Prenatal choline supplementation (SUP) also protects against spatial memory deficits observed shortly after SE in adulthood, and we have previously reported that SUP attenuates the neuropathological response to SE in the adult hippocampus just 16 days after SE. It is unknown whether SUP can ameliorate longer-term cognitive and neuropathological consequences of SE, whether repeatedly engaging the injured hippocampus in a cognitive task might facilitate recovery from SE, and whether our prophylactic prenatal dietary treatment would enable the injured hippocampus to more effectively benefit from cognitive rehabilitation. To address these issues, adult offspring from rat dams that received either a control (CON) or SUP diet on embryonic days 12-17 first received training on a place learning water maze task (WM) and were then administered saline or kainic acid (KA) to induce SE. Rats then either remained in their home cage, or received three additional WM sessions at 3, 6.5, and 10 weeks after SE to test spatial learning and memory retention. Eleven weeks after SE, the brains were analyzed for several hippocampal markers known to be altered by SE. SUP attenuated SE-induced spatial learning deficits and completely rescued spatial memory retention by 10 weeks post-SE. Repeated WM experience prevented SE-induced declines in glutamic acid decarboxylase (GAD) and dentate gyrus neurogenesis, and attenuated increased glial fibrilary acidic protein (GFAP) levels. Remarkably, SUP alone was similarly protective to an even greater extent, and SUP rats that were water maze trained after SE showed reduced hilar migration of newborn neurons. These findings suggest that prophylactic SUP is protective against the long-term cognitive and neuropathological effects of KA-induced SE, and that rehabilitative cognitive enrichment may be partially beneficial.
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Emerich DF, Mooney DJ, Storrie H, Babu RS, Kordower JH. Injectable hydrogels providing sustained delivery of vascular endothelial growth factor are neuroprotective in a rat model of Huntington's disease. Neurotox Res 2009; 17:66-74. [PMID: 19588214 DOI: 10.1007/s12640-009-9079-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2009] [Revised: 06/19/2009] [Accepted: 06/19/2009] [Indexed: 11/26/2022]
Abstract
Vascular endothelial growth factor (VEGF) is a potent peptide with well-documented pro-angiogenic effects. Recently, it has also become clear that exogenous administration of VEGF is neuroprotective in animal models of central nervous system diseases. In the present study, VEGF was incorporated into a sustained release hydrogel delivery system to examine its potential benefits in a rat model of Huntington's disease (HD). The VEGF-containing hydrogel was stereotaxically injected into the striatum of adult rats. Three days later, quinolinic acid (QA; 225 nmol) was injected into the ipsilateral striatum to produce neuronal loss and behavioral deficits that mimic those observed in HD. Two weeks after surgery, animals were tested for motor function using the placement and cylinder tests. Control animals received either QA alone or QA plus empty hydrogel implants. Behavioral testing confirmed that the QA lesion resulted in significant deficits in the ability of the control animals to use their contralateral forelimb. In contrast, the performance of those animals receiving VEGF was significantly improved relative to controls with only modest motor impairments observed. Stereological counts of NeuN-positive neurons throughout the striatum demonstrated that VEGF implants significantly protected against the loss of striatal neurons induced by QA. These data are the first to demonstrate that VEGF can be used to protect striatal neurons from excitotoxic damage in a rat model of HD.
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Affiliation(s)
- Dwaine F Emerich
- InCytu, Inc, 701 George Washington Highway, Lincoln, RI, 02865, USA.
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