A multitarget basal ganglia dopaminergic and GABAergic transplantation strategy enhances behavioural recovery in parkinsonian rats
Identifieur interne : 000632 ( PascalFrancis/Corpus ); précédent : 000631; suivant : 000633A multitarget basal ganglia dopaminergic and GABAergic transplantation strategy enhances behavioural recovery in parkinsonian rats
Auteurs : K. Mukhida ; M. Hong ; G. B. Miles ; T. Phillips ; B. A. Baghbaderani ; M. Mcleod ; N. Kobayashi ; A. Sen ; L. A. Behie ; R. M. Brownstone ; I. MendezSource :
- Brain [ 0006-8950 ] ; 2008.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
The current transplantation paradigm for Parkinson's disease that places foetal dopaminergic cells in the striatum neither normalizes neuronal activity in basal ganglia structures such as the substantia nigra (SN) and subthalamic nucleus (STN) nor leads to complete functional recovery. It was hypothesized that restoration of parkinsonian deficits requires inhibition of the pathological overactivity of the STN and SN in addition to restoration of dopaminergic activity in the striatum. To achieve inhibition, a multitargeted basal ganglia transplantation strategy using GABAergic cells derived from either foetal striatal primordia (FSP) cells or human neural precursor cells (hNPCs) expanded in suspension bioreactors was investigated. In hemiparkinsonian rats, transplantation of foetal rat dopaminergic cells in the striatum in conjunction with GABAergic grafts in the STN and/or SN promoted significant improvement in forelimb akinesia and motor function compared to transplantation of intrastriatal dopaminergic grafts alone or in conjunction with undifferentiated hNPCs. In culture, FSP cells exhibited neuronal electrophysiological properties. However, recordings from GABAergic hNPCs revealed limited ionic conductances and an inability to fire action potentials. Despite this, they were almost as efficacious as FSP cells in inducing functional recovery following transplantation, suggesting that such recovery may have been mediated by secretion of GABA rather than by functional integration into the host. Thus, restoration of dopaminergic activity to the striatum in concert with inhibition of the STN and SN by GABAergic grafts may be beneficial for improving clinical outcomes in patients with Parkinson's disease and potential clinical application of this strategy may be enhanced by the use of differentiated hNPCs.
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Format Inist (serveur)
NO : | PASCAL 08-0387596 INIST |
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ET : | A multitarget basal ganglia dopaminergic and GABAergic transplantation strategy enhances behavioural recovery in parkinsonian rats |
AU : | MUKHIDA (K.); HONG (M.); MILES (G. B.); PHILLIPS (T.); BAGHBADERANI (B. A.); MCLEOD (M.); KOBAYASHI (N.); SEN (A.); BEHIE (L. A.); BROWNSTONE (R. M.); MENDEZ (I.) |
AF : | Cell Restoration Laboratory, Dalhousie University/Halifax, Nova Scotia/Canada (1 aut., 2 aut., 4 aut., 6 aut., 7 aut., 11 aut.); Motor Control Laboratory, Departments of Anatomy & Neurobiology and Surgery (Neurosurgery), Dalhousie University/Halifax, Nova Scotia/Canada (3 aut., 10 aut.); Pharmaceutical Production Research Facility, Schulich School of Engineering, University of Calgary/Calgary, Alberta/Canada (5 aut., 8 aut., 9 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Brain; ISSN 0006-8950; Royaume-Uni; Da. 2008; Vol. 131; No. p. 8; Pp. 2106-2126; Bibl. 3 p. |
LA : | Anglais |
EA : | The current transplantation paradigm for Parkinson's disease that places foetal dopaminergic cells in the striatum neither normalizes neuronal activity in basal ganglia structures such as the substantia nigra (SN) and subthalamic nucleus (STN) nor leads to complete functional recovery. It was hypothesized that restoration of parkinsonian deficits requires inhibition of the pathological overactivity of the STN and SN in addition to restoration of dopaminergic activity in the striatum. To achieve inhibition, a multitargeted basal ganglia transplantation strategy using GABAergic cells derived from either foetal striatal primordia (FSP) cells or human neural precursor cells (hNPCs) expanded in suspension bioreactors was investigated. In hemiparkinsonian rats, transplantation of foetal rat dopaminergic cells in the striatum in conjunction with GABAergic grafts in the STN and/or SN promoted significant improvement in forelimb akinesia and motor function compared to transplantation of intrastriatal dopaminergic grafts alone or in conjunction with undifferentiated hNPCs. In culture, FSP cells exhibited neuronal electrophysiological properties. However, recordings from GABAergic hNPCs revealed limited ionic conductances and an inability to fire action potentials. Despite this, they were almost as efficacious as FSP cells in inducing functional recovery following transplantation, suggesting that such recovery may have been mediated by secretion of GABA rather than by functional integration into the host. Thus, restoration of dopaminergic activity to the striatum in concert with inhibition of the STN and SN by GABAergic grafts may be beneficial for improving clinical outcomes in patients with Parkinson's disease and potential clinical application of this strategy may be enhanced by the use of differentiated hNPCs. |
CC : | 002B17; 002B25J01 |
FD : | Maladie de Parkinson; Pathologie du système nerveux; Noyau gris central; Transplantation; Stratégie; Récupération; Animal; Rat; Noyau sousthalamique; GABA |
FG : | Rodentia; Mammalia; Vertebrata; Encéphale; Système nerveux central; Pathologie de l'encéphale; Syndrome extrapyramidal; Maladie dégénérative; Pathologie du système nerveux central; Neurotransmetteur |
ED : | Parkinson disease; Nervous system diseases; Basal ganglion; Transplantation; Strategy; Recovery; Animal; Rat; Subthalamic nucleus; GABA |
EG : | Rodentia; Mammalia; Vertebrata; Encephalon; Central nervous system; Cerebral disorder; Extrapyramidal syndrome; Degenerative disease; Central nervous system disease; Neurotransmitter |
SD : | Parkinson enfermedad; Sistema nervioso patología; Núcleo basal; Trasplantación; Estrategia; Recuperación; Animal; Rata; Núcleo subtalámico; GABA |
LO : | INIST-998.354000196455150130 |
ID : | 08-0387596 |
Links to Exploration step
Pascal:08-0387596Le document en format XML
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<front><div type="abstract" xml:lang="en">The current transplantation paradigm for Parkinson's disease that places foetal dopaminergic cells in the striatum neither normalizes neuronal activity in basal ganglia structures such as the substantia nigra (SN) and subthalamic nucleus (STN) nor leads to complete functional recovery. It was hypothesized that restoration of parkinsonian deficits requires inhibition of the pathological overactivity of the STN and SN in addition to restoration of dopaminergic activity in the striatum. To achieve inhibition, a multitargeted basal ganglia transplantation strategy using GABAergic cells derived from either foetal striatal primordia (FSP) cells or human neural precursor cells (hNPCs) expanded in suspension bioreactors was investigated. In hemiparkinsonian rats, transplantation of foetal rat dopaminergic cells in the striatum in conjunction with GABAergic grafts in the STN and/or SN promoted significant improvement in forelimb akinesia and motor function compared to transplantation of intrastriatal dopaminergic grafts alone or in conjunction with undifferentiated hNPCs. In culture, FSP cells exhibited neuronal electrophysiological properties. However, recordings from GABAergic hNPCs revealed limited ionic conductances and an inability to fire action potentials. Despite this, they were almost as efficacious as FSP cells in inducing functional recovery following transplantation, suggesting that such recovery may have been mediated by secretion of GABA rather than by functional integration into the host. Thus, restoration of dopaminergic activity to the striatum in concert with inhibition of the STN and SN by GABAergic grafts may be beneficial for improving clinical outcomes in patients with Parkinson's disease and potential clinical application of this strategy may be enhanced by the use of differentiated hNPCs.</div>
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<fC01 i1="01" l="ENG"><s0>The current transplantation paradigm for Parkinson's disease that places foetal dopaminergic cells in the striatum neither normalizes neuronal activity in basal ganglia structures such as the substantia nigra (SN) and subthalamic nucleus (STN) nor leads to complete functional recovery. It was hypothesized that restoration of parkinsonian deficits requires inhibition of the pathological overactivity of the STN and SN in addition to restoration of dopaminergic activity in the striatum. To achieve inhibition, a multitargeted basal ganglia transplantation strategy using GABAergic cells derived from either foetal striatal primordia (FSP) cells or human neural precursor cells (hNPCs) expanded in suspension bioreactors was investigated. In hemiparkinsonian rats, transplantation of foetal rat dopaminergic cells in the striatum in conjunction with GABAergic grafts in the STN and/or SN promoted significant improvement in forelimb akinesia and motor function compared to transplantation of intrastriatal dopaminergic grafts alone or in conjunction with undifferentiated hNPCs. In culture, FSP cells exhibited neuronal electrophysiological properties. However, recordings from GABAergic hNPCs revealed limited ionic conductances and an inability to fire action potentials. Despite this, they were almost as efficacious as FSP cells in inducing functional recovery following transplantation, suggesting that such recovery may have been mediated by secretion of GABA rather than by functional integration into the host. Thus, restoration of dopaminergic activity to the striatum in concert with inhibition of the STN and SN by GABAergic grafts may be beneficial for improving clinical outcomes in patients with Parkinson's disease and potential clinical application of this strategy may be enhanced by the use of differentiated hNPCs.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>002B17</s0>
</fC02>
<fC02 i1="02" i2="X"><s0>002B25J01</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Maladie de Parkinson</s0>
<s2>NM</s2>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Parkinson disease</s0>
<s2>NM</s2>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Parkinson enfermedad</s0>
<s2>NM</s2>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Pathologie du système nerveux</s0>
<s5>02</s5>
</fC03>
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<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Sistema nervioso patología</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Noyau gris central</s0>
<s5>09</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Basal ganglion</s0>
<s5>09</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Núcleo basal</s0>
<s5>09</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Transplantation</s0>
<s5>10</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Transplantation</s0>
<s5>10</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Trasplantación</s0>
<s5>10</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Stratégie</s0>
<s5>11</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Strategy</s0>
<s5>11</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Estrategia</s0>
<s5>11</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Récupération</s0>
<s5>12</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Recovery</s0>
<s5>12</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Recuperación</s0>
<s5>12</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Animal</s0>
<s5>13</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Animal</s0>
<s5>13</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Animal</s0>
<s5>13</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Rat</s0>
<s5>14</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Rat</s0>
<s5>14</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Rata</s0>
<s5>14</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Noyau sousthalamique</s0>
<s5>15</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Subthalamic nucleus</s0>
<s5>15</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Núcleo subtalámico</s0>
<s5>15</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>GABA</s0>
<s2>NK</s2>
<s5>16</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>GABA</s0>
<s2>NK</s2>
<s5>16</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>GABA</s0>
<s2>NK</s2>
<s5>16</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Rodentia</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Rodentia</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Rodentia</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Mammalia</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Mammalia</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Mammalia</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Vertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Vertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Vertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="FRE"><s0>Encéphale</s0>
<s5>37</s5>
</fC07>
<fC07 i1="04" i2="X" l="ENG"><s0>Encephalon</s0>
<s5>37</s5>
</fC07>
<fC07 i1="04" i2="X" l="SPA"><s0>Encéfalo</s0>
<s5>37</s5>
</fC07>
<fC07 i1="05" i2="X" l="FRE"><s0>Système nerveux central</s0>
<s5>38</s5>
</fC07>
<fC07 i1="05" i2="X" l="ENG"><s0>Central nervous system</s0>
<s5>38</s5>
</fC07>
<fC07 i1="05" i2="X" l="SPA"><s0>Sistema nervioso central</s0>
<s5>38</s5>
</fC07>
<fC07 i1="06" i2="X" l="FRE"><s0>Pathologie de l'encéphale</s0>
<s5>39</s5>
</fC07>
<fC07 i1="06" i2="X" l="ENG"><s0>Cerebral disorder</s0>
<s5>39</s5>
</fC07>
<fC07 i1="06" i2="X" l="SPA"><s0>Encéfalo patología</s0>
<s5>39</s5>
</fC07>
<fC07 i1="07" i2="X" l="FRE"><s0>Syndrome extrapyramidal</s0>
<s5>40</s5>
</fC07>
<fC07 i1="07" i2="X" l="ENG"><s0>Extrapyramidal syndrome</s0>
<s5>40</s5>
</fC07>
<fC07 i1="07" i2="X" l="SPA"><s0>Extrapiramidal síndrome</s0>
<s5>40</s5>
</fC07>
<fC07 i1="08" i2="X" l="FRE"><s0>Maladie dégénérative</s0>
<s5>41</s5>
</fC07>
<fC07 i1="08" i2="X" l="ENG"><s0>Degenerative disease</s0>
<s5>41</s5>
</fC07>
<fC07 i1="08" i2="X" l="SPA"><s0>Enfermedad degenerativa</s0>
<s5>41</s5>
</fC07>
<fC07 i1="09" i2="X" l="FRE"><s0>Pathologie du système nerveux central</s0>
<s5>42</s5>
</fC07>
<fC07 i1="09" i2="X" l="ENG"><s0>Central nervous system disease</s0>
<s5>42</s5>
</fC07>
<fC07 i1="09" i2="X" l="SPA"><s0>Sistema nervosio central patología</s0>
<s5>42</s5>
</fC07>
<fC07 i1="10" i2="X" l="FRE"><s0>Neurotransmetteur</s0>
<s5>44</s5>
</fC07>
<fC07 i1="10" i2="X" l="ENG"><s0>Neurotransmitter</s0>
<s5>44</s5>
</fC07>
<fC07 i1="10" i2="X" l="SPA"><s0>Neurotransmisor</s0>
<s5>44</s5>
</fC07>
<fN21><s1>252</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
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<server><NO>PASCAL 08-0387596 INIST</NO>
<ET>A multitarget basal ganglia dopaminergic and GABAergic transplantation strategy enhances behavioural recovery in parkinsonian rats</ET>
<AU>MUKHIDA (K.); HONG (M.); MILES (G. B.); PHILLIPS (T.); BAGHBADERANI (B. A.); MCLEOD (M.); KOBAYASHI (N.); SEN (A.); BEHIE (L. A.); BROWNSTONE (R. M.); MENDEZ (I.)</AU>
<AF>Cell Restoration Laboratory, Dalhousie University/Halifax, Nova Scotia/Canada (1 aut., 2 aut., 4 aut., 6 aut., 7 aut., 11 aut.); Motor Control Laboratory, Departments of Anatomy & Neurobiology and Surgery (Neurosurgery), Dalhousie University/Halifax, Nova Scotia/Canada (3 aut., 10 aut.); Pharmaceutical Production Research Facility, Schulich School of Engineering, University of Calgary/Calgary, Alberta/Canada (5 aut., 8 aut., 9 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Brain; ISSN 0006-8950; Royaume-Uni; Da. 2008; Vol. 131; No. p. 8; Pp. 2106-2126; Bibl. 3 p.</SO>
<LA>Anglais</LA>
<EA>The current transplantation paradigm for Parkinson's disease that places foetal dopaminergic cells in the striatum neither normalizes neuronal activity in basal ganglia structures such as the substantia nigra (SN) and subthalamic nucleus (STN) nor leads to complete functional recovery. It was hypothesized that restoration of parkinsonian deficits requires inhibition of the pathological overactivity of the STN and SN in addition to restoration of dopaminergic activity in the striatum. To achieve inhibition, a multitargeted basal ganglia transplantation strategy using GABAergic cells derived from either foetal striatal primordia (FSP) cells or human neural precursor cells (hNPCs) expanded in suspension bioreactors was investigated. In hemiparkinsonian rats, transplantation of foetal rat dopaminergic cells in the striatum in conjunction with GABAergic grafts in the STN and/or SN promoted significant improvement in forelimb akinesia and motor function compared to transplantation of intrastriatal dopaminergic grafts alone or in conjunction with undifferentiated hNPCs. In culture, FSP cells exhibited neuronal electrophysiological properties. However, recordings from GABAergic hNPCs revealed limited ionic conductances and an inability to fire action potentials. Despite this, they were almost as efficacious as FSP cells in inducing functional recovery following transplantation, suggesting that such recovery may have been mediated by secretion of GABA rather than by functional integration into the host. Thus, restoration of dopaminergic activity to the striatum in concert with inhibition of the STN and SN by GABAergic grafts may be beneficial for improving clinical outcomes in patients with Parkinson's disease and potential clinical application of this strategy may be enhanced by the use of differentiated hNPCs.</EA>
<CC>002B17; 002B25J01</CC>
<FD>Maladie de Parkinson; Pathologie du système nerveux; Noyau gris central; Transplantation; Stratégie; Récupération; Animal; Rat; Noyau sousthalamique; GABA</FD>
<FG>Rodentia; Mammalia; Vertebrata; Encéphale; Système nerveux central; Pathologie de l'encéphale; Syndrome extrapyramidal; Maladie dégénérative; Pathologie du système nerveux central; Neurotransmetteur</FG>
<ED>Parkinson disease; Nervous system diseases; Basal ganglion; Transplantation; Strategy; Recovery; Animal; Rat; Subthalamic nucleus; GABA</ED>
<EG>Rodentia; Mammalia; Vertebrata; Encephalon; Central nervous system; Cerebral disorder; Extrapyramidal syndrome; Degenerative disease; Central nervous system disease; Neurotransmitter</EG>
<SD>Parkinson enfermedad; Sistema nervioso patología; Núcleo basal; Trasplantación; Estrategia; Recuperación; Animal; Rata; Núcleo subtalámico; GABA</SD>
<LO>INIST-998.354000196455150130</LO>
<ID>08-0387596</ID>
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