Culture, characterization and differentiation of neural precursors from the central nervous system of guinea pigs (Cavia porcellus Linnaeus, 1758)
Potentially neurogenic areas were initially identified by incorporation of bromodeoxyuridine (BrdU) in cells underlying the subventricular zone (SVZ) of the lateral ventricles wall, hippocampus and olfactory bulbs of newborn guinea pigs. Neural precursors from the SVZ were cultured in suspension, ge...
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description | Potentially neurogenic areas were initially identified by incorporation of bromodeoxyuridine (BrdU) in cells underlying the subventricular zone (SVZ) of the lateral ventricles wall, hippocampus and olfactory bulbs of newborn guinea pigs. Neural precursors from the SVZ were cultured in suspension, generating neurospheres (NSFs), which, upon dissociation were able to generate new NSFs. Upon culture in the absence of growth factors, cells dissociated from NSFs displayed evidence for neural differentiation, giving rise to cells from neural lineage. Flow cytometry analysis for of NSFs-derived cells after differentiation revealed approximately 13.3% nestin positive, 5.5% Beta-III-tubulin positive, 9% GFAP positive and 7.8% mGalC positive. Functional assays by measurement of calcium influx upon gamma butiric amino acid (GABA) and glutamate stimuli, revealed stimulation in differentiated cells, an indicator of neuronal differentiation. The ability of guinea pig SVZ cells to originate functional neurons in vitro is promising for research and towards a future use of neural stem cells in the therapy of neurological disorders.
Resumo: Áreas potencialmente neurogênicas foram identificadas por incorporação de bromodeoxiuridina (BrdU) na zona subventricular (SVZ) dos ventrículos laterais, hipocampo e bulbos olfatórios de cobaias neonatos. Precursores neurais provenientes da SVZ foram cultivados em suspensão, resultando na geração de neuroesferas (NSFs), que quando dissociadas foram capazes de proliferar e gerar novas NSFs. Quando cultivadas na ausência de fatores de crescimento, as células provenientes de NSFs dissociadas apresentaram evidências de diferenciação neuronal, dando origem a células da linhagem neural. Citometria de fluxo em células das NSFs após a diferenciação revelou aproximadamente 13,3% positivas para nestina, 5,5% positivas para Beta-III-tubulina, 9% positivas para GFAP e 7,8% positivas para mGalC. Testes de funcionalidade pela mensuração de influxo de cálcio após estímulo com ácido gama amino butírico (GABA) e glutamato revelaram a estimulação de células diferenciadas, um indicador de função neuronal. A capacidade de células da SVZ de fetos de cobaias originarem células neurais funcionais in vitro é promissora para a pesquisa e eventual uso terapêutico de células tronco em disordens do sistema nervoso. |
doi_str_mv | 10.1590/S0100-736X2016001300011 |
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Resumo: Áreas potencialmente neurogênicas foram identificadas por incorporação de bromodeoxiuridina (BrdU) na zona subventricular (SVZ) dos ventrículos laterais, hipocampo e bulbos olfatórios de cobaias neonatos. Precursores neurais provenientes da SVZ foram cultivados em suspensão, resultando na geração de neuroesferas (NSFs), que quando dissociadas foram capazes de proliferar e gerar novas NSFs. Quando cultivadas na ausência de fatores de crescimento, as células provenientes de NSFs dissociadas apresentaram evidências de diferenciação neuronal, dando origem a células da linhagem neural. Citometria de fluxo em células das NSFs após a diferenciação revelou aproximadamente 13,3% positivas para nestina, 5,5% positivas para Beta-III-tubulina, 9% positivas para GFAP e 7,8% positivas para mGalC. Testes de funcionalidade pela mensuração de influxo de cálcio após estímulo com ácido gama amino butírico (GABA) e glutamato revelaram a estimulação de células diferenciadas, um indicador de função neuronal. A capacidade de células da SVZ de fetos de cobaias originarem células neurais funcionais in vitro é promissora para a pesquisa e eventual uso terapêutico de células tronco em disordens do sistema nervoso.</description><identifier>ISSN: 0100-736X</identifier><identifier>ISSN: 1678-5150</identifier><identifier>EISSN: 0100-736X</identifier><identifier>DOI: 10.1590/S0100-736X2016001300011</identifier><language>eng</language><publisher>Colégio Brasileiro de Patologia Animal - CBPA</publisher><subject>culture ; Guinea pigs ; in vitro characterization ; neural stem cells ; subventricular zone ; VETERINARY SCIENCES</subject><ispartof>Pesquisa Veterinária Brasileira, 2016-06, Vol.36 (suppl 1), p.71-78</ispartof><rights>This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c357t-7611df975b5c714d90238a300b9c31b7c6abbf25a318bdfb385fdbd5f7b671693</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,864,885,27915,27916</link.rule.ids></links><search><creatorcontrib>Fonseca, Erika Toledo da</creatorcontrib><creatorcontrib>Galindo, Layla Testa</creatorcontrib><creatorcontrib>Porcionatto, Marimélia A.</creatorcontrib><creatorcontrib>Miglino, Maria Angélica</creatorcontrib><title>Culture, characterization and differentiation of neural precursors from the central nervous system of guinea pigs (Cavia porcellus Linnaeus, 1758)</title><title>Pesquisa Veterinária Brasileira</title><addtitle>Pesq. Vet. Bras</addtitle><description>Potentially neurogenic areas were initially identified by incorporation of bromodeoxyuridine (BrdU) in cells underlying the subventricular zone (SVZ) of the lateral ventricles wall, hippocampus and olfactory bulbs of newborn guinea pigs. Neural precursors from the SVZ were cultured in suspension, generating neurospheres (NSFs), which, upon dissociation were able to generate new NSFs. Upon culture in the absence of growth factors, cells dissociated from NSFs displayed evidence for neural differentiation, giving rise to cells from neural lineage. Flow cytometry analysis for of NSFs-derived cells after differentiation revealed approximately 13.3% nestin positive, 5.5% Beta-III-tubulin positive, 9% GFAP positive and 7.8% mGalC positive. Functional assays by measurement of calcium influx upon gamma butiric amino acid (GABA) and glutamate stimuli, revealed stimulation in differentiated cells, an indicator of neuronal differentiation. The ability of guinea pig SVZ cells to originate functional neurons in vitro is promising for research and towards a future use of neural stem cells in the therapy of neurological disorders.
Resumo: Áreas potencialmente neurogênicas foram identificadas por incorporação de bromodeoxiuridina (BrdU) na zona subventricular (SVZ) dos ventrículos laterais, hipocampo e bulbos olfatórios de cobaias neonatos. Precursores neurais provenientes da SVZ foram cultivados em suspensão, resultando na geração de neuroesferas (NSFs), que quando dissociadas foram capazes de proliferar e gerar novas NSFs. Quando cultivadas na ausência de fatores de crescimento, as células provenientes de NSFs dissociadas apresentaram evidências de diferenciação neuronal, dando origem a células da linhagem neural. Citometria de fluxo em células das NSFs após a diferenciação revelou aproximadamente 13,3% positivas para nestina, 5,5% positivas para Beta-III-tubulina, 9% positivas para GFAP e 7,8% positivas para mGalC. Testes de funcionalidade pela mensuração de influxo de cálcio após estímulo com ácido gama amino butírico (GABA) e glutamato revelaram a estimulação de células diferenciadas, um indicador de função neuronal. A capacidade de células da SVZ de fetos de cobaias originarem células neurais funcionais in vitro é promissora para a pesquisa e eventual uso terapêutico de células tronco em disordens do sistema nervoso.</description><subject>culture</subject><subject>Guinea pigs</subject><subject>in vitro characterization</subject><subject>neural stem cells</subject><subject>subventricular zone</subject><subject>VETERINARY SCIENCES</subject><issn>0100-736X</issn><issn>1678-5150</issn><issn>0100-736X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNptUV1r3DAQNKWFpml_Q_XYQi7VWpZlP5ajH4GDPiSBvImVtLro8FnHyg6kP6O_uL5cCaX0ZXeZ2Rl2map6D_ISdC8_XUuQcmVUe1dLaKUEJZcCL6qzZ-LlX_Pr6k0pOylrowycVb_W8zDNTBfC3yOjn4jTT5xSHgWOQYQUIzGNUzphOYqRZsZBHJj8zCVzEZHzXkz3JPyyeORG4oc8F1Eey0T7o2g7p5FQHNK2iA9rfEjLnNnTMCxrmzSOSHO5EGB09_Ft9SriUOjdn35e3X79crP-vtr8-Ha1_rxZeaXNtDItQIi90U57A03oZa06XJ53vVfgjG_RuVhrVNC5EJ3qdAwu6Ghca6Dt1Xl1dfINGXf2wGmP_GgzJvsEZN5a5Cn5gazxJpqgIkJsmlDXSE1DnexbreqaOli8Lk9exScast3lmcflePuUjv0nHXMUmJPAcy6FKT4fANIec_2_EkD9Brgdlcw</recordid><startdate>20160601</startdate><enddate>20160601</enddate><creator>Fonseca, Erika Toledo da</creator><creator>Galindo, Layla Testa</creator><creator>Porcionatto, Marimélia A.</creator><creator>Miglino, Maria Angélica</creator><general>Colégio Brasileiro de Patologia Animal - CBPA</general><general>Colégio Brasileiro de Patologia Animal (CBPA)</general><scope>AAYXX</scope><scope>CITATION</scope><scope>GPN</scope><scope>DOA</scope></search><sort><creationdate>20160601</creationdate><title>Culture, characterization and differentiation of neural precursors from the central nervous system of guinea pigs (Cavia porcellus Linnaeus, 1758)</title><author>Fonseca, Erika Toledo da ; Galindo, Layla Testa ; Porcionatto, Marimélia A. ; Miglino, Maria Angélica</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c357t-7611df975b5c714d90238a300b9c31b7c6abbf25a318bdfb385fdbd5f7b671693</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>culture</topic><topic>Guinea pigs</topic><topic>in vitro characterization</topic><topic>neural stem cells</topic><topic>subventricular zone</topic><topic>VETERINARY SCIENCES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fonseca, Erika Toledo da</creatorcontrib><creatorcontrib>Galindo, Layla Testa</creatorcontrib><creatorcontrib>Porcionatto, Marimélia A.</creatorcontrib><creatorcontrib>Miglino, Maria Angélica</creatorcontrib><collection>CrossRef</collection><collection>SciELO</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>Pesquisa Veterinária Brasileira</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fonseca, Erika Toledo da</au><au>Galindo, Layla Testa</au><au>Porcionatto, Marimélia A.</au><au>Miglino, Maria Angélica</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Culture, characterization and differentiation of neural precursors from the central nervous system of guinea pigs (Cavia porcellus Linnaeus, 1758)</atitle><jtitle>Pesquisa Veterinária Brasileira</jtitle><addtitle>Pesq. Vet. Bras</addtitle><date>2016-06-01</date><risdate>2016</risdate><volume>36</volume><issue>suppl 1</issue><spage>71</spage><epage>78</epage><pages>71-78</pages><issn>0100-736X</issn><issn>1678-5150</issn><eissn>0100-736X</eissn><abstract>Potentially neurogenic areas were initially identified by incorporation of bromodeoxyuridine (BrdU) in cells underlying the subventricular zone (SVZ) of the lateral ventricles wall, hippocampus and olfactory bulbs of newborn guinea pigs. Neural precursors from the SVZ were cultured in suspension, generating neurospheres (NSFs), which, upon dissociation were able to generate new NSFs. Upon culture in the absence of growth factors, cells dissociated from NSFs displayed evidence for neural differentiation, giving rise to cells from neural lineage. Flow cytometry analysis for of NSFs-derived cells after differentiation revealed approximately 13.3% nestin positive, 5.5% Beta-III-tubulin positive, 9% GFAP positive and 7.8% mGalC positive. Functional assays by measurement of calcium influx upon gamma butiric amino acid (GABA) and glutamate stimuli, revealed stimulation in differentiated cells, an indicator of neuronal differentiation. The ability of guinea pig SVZ cells to originate functional neurons in vitro is promising for research and towards a future use of neural stem cells in the therapy of neurological disorders.
Resumo: Áreas potencialmente neurogênicas foram identificadas por incorporação de bromodeoxiuridina (BrdU) na zona subventricular (SVZ) dos ventrículos laterais, hipocampo e bulbos olfatórios de cobaias neonatos. Precursores neurais provenientes da SVZ foram cultivados em suspensão, resultando na geração de neuroesferas (NSFs), que quando dissociadas foram capazes de proliferar e gerar novas NSFs. Quando cultivadas na ausência de fatores de crescimento, as células provenientes de NSFs dissociadas apresentaram evidências de diferenciação neuronal, dando origem a células da linhagem neural. Citometria de fluxo em células das NSFs após a diferenciação revelou aproximadamente 13,3% positivas para nestina, 5,5% positivas para Beta-III-tubulina, 9% positivas para GFAP e 7,8% positivas para mGalC. Testes de funcionalidade pela mensuração de influxo de cálcio após estímulo com ácido gama amino butírico (GABA) e glutamato revelaram a estimulação de células diferenciadas, um indicador de função neuronal. A capacidade de células da SVZ de fetos de cobaias originarem células neurais funcionais in vitro é promissora para a pesquisa e eventual uso terapêutico de células tronco em disordens do sistema nervoso.</abstract><pub>Colégio Brasileiro de Patologia Animal - CBPA</pub><doi>10.1590/S0100-736X2016001300011</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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subjects | culture Guinea pigs in vitro characterization neural stem cells subventricular zone VETERINARY SCIENCES |
title | Culture, characterization and differentiation of neural precursors from the central nervous system of guinea pigs (Cavia porcellus Linnaeus, 1758) |
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