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- Hashemian, Sanaz,1983-Umeå universitet,Institutionen för integrativ medicinsk biologi (IMB) (författare)
Degradation of proteoglycans affects astrocytes and neurite formation in organotypic tissue cultures
- Artikel/kapitelEngelska2014
Förlag, utgivningsår, omfång ...
- Elsevier,2014
- printrdacarrier
Nummerbeteckningar
- LIBRIS-ID:oai:DiVA.org:umu-87978
- https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-87978URI
- https://doi.org/10.1016/j.brainres.2014.03.043DOI
Kompletterande språkuppgifter
- Språk:engelska
- Sammanfattning på:engelska
Ingår i deldatabas
- SwePubSwePub
Klassifikation
Anmärkningar
- Chondroitin sulfate proteoglycans (CSPGs) promote nerve growth during development, and inhibit axonal growth in the adult CNS after injury. Chondroitinase ABC (ChABC) and methyl-umbelliferyl-β-d-xyloside (β-xyloside), two enzymes that degrade CSPGs, promote regeneration after injury, however, they demonstrate opposing results in tissue culture. To elucidate the effect of the two enzymes, organotypic tissue cultures, treated with ChABC or β-xyloside, were employed to monitor nerve fiber outgrowth and astrocytic migration. Rat ventral mesencephalon (VM) and spinal cord (SC) from embryonic day (E) 14 and E18 were treated early, from the plating day for 14 days in vitro, or late where treatment was initiated after being cultured for 14 days. In the early treatment of E14 VM and SC cultures, astrocytic migration and nerve fiber outgrowth were hampered using both enzymes. Early treatment of E18 cultures reduced the astrocytic migration, while nerve growth was promoted by β-xyloside, but not by ChABC. In the late treated cultures of both E14 and E18 cultures, no differences in distances that astrocytes migrated or nerve fiber growth were observed. However, in β-xyloside-treated cultures, the confluency of astrocytic monolayer was disrupted. In E18 cultures both early and late treatments, neuronal migration was present in control cultures, which was preserved using ChABC but not β-xyloside. In conclusion, ChABC and β-xyloside had similar effects and hampered nerve fiber growth and astrocytic migration in E14 cultures. In E18 cultures nerve fiber growth was stimulated and neuronal migration was hampered after β-xyloside treatment while ChABC treatment did not exert these effects.
Ämnesord och genrebeteckningar
- MEDICIN OCH HÄLSOVETENSKAP Medicinska och farmaceutiska grundvetenskaper Neurovetenskaper hsv//swe
- MEDICAL AND HEALTH SCIENCES Basic Medicine Neurosciences hsv//eng
- CSPGs; Spinal cord; Ventral mesencephalon; ChABC; β-xyloside
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Marschinke, FranziskaUmeå universitet,Institutionen för integrativ medicinsk biologi (IMB)(Swepub:umu)framke04 (författare)
- af Bjerkén, SaraUmeå universitet,Institutionen för integrativ medicinsk biologi (IMB)(Swepub:umu)saaafn99 (författare)
- Strömberg, IngridUmeå universitet,Institutionen för integrativ medicinsk biologi (IMB)(Swepub:umu)inst0001 (författare)
- Umeå universitetInstitutionen för integrativ medicinsk biologi (IMB) (creator_code:org_t)
Sammanhörande titlar
- Ingår i:Brain Research: Elsevier1564, s. 22-320006-89931872-6240
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