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TTRV30M oligomeric aggregates inhibit proliferation of renal progenitor cells but maintain their capacity to differentiate into podocytes in vitro

2012-05-06Conference object Open access
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dc.contributor.authorMoreira, L.
dc.contributor.authorBallerini, L.
dc.contributor.authorPeired, A.
dc.contributor.authorSagrinati, C.
dc.contributor.authorParente, E.
dc.contributor.authorAngelotti, M.L.
dc.contributor.authorRonconi, E.
dc.contributor.authorLazzeri, E.
dc.contributor.authorMazzinghi, B.
dc.contributor.authorLacerda, P.
dc.contributor.authorBeirão, I.
dc.contributor.authorLasagni, L.
dc.contributor.authorCosta, P.P.
dc.contributor.authorRomagnani, P.
dc.date.accessioned2014-03-31T16:40:45Z
dc.date.available2014-03-31T16:40:45Z
dc.date.issued2012-05-06
dc.descriptionPublicado em: The Proceedings of the XIIIth International Symposium on Amyloidosis, May 6-10, 2012, Groningen, The Netherlandspor
dc.description.abstractIn Familial Amyloidotic Polyneuropathy, the amyloid deposition of mutant transthyretin TTR V30M can lead to renal complications. An unexplored mechanism is the toxicity of oligomeric TTR aggregates. A subset of renal progenitor cells (RPC) in the adult human kidney can induce regeneration of podocytes and tubular structures of the nephron, which can be critical for preventing irreversible renal failure. We assessed whether RPC are vulnerable, in vitro, to TTRV30M oligomers. RPC proliferation was reduced by 16.3±9.7% and 32.6±6.3% after 48 and 72 hours, respectively, in the presence of the oligomers. However, oligomers did not induce apoptosis or alterations in cell cycle to any significant extent, and did not influence RPC differentiation into podocytes. From this first attempt, we can say that TTRV30M oligomers inhibit RPC proliferation but do not influence their capacity to differentiate into mature podocytes, and thus should not compromise tissue regeneration.por
dc.description.sponsorshipFCTpor
dc.identifier.isbnISBN 978-90-821593-1-8
dc.identifier.urihttp://hdl.handle.net/10400.18/2207
dc.language.isoengpor
dc.peerreviewednopor
dc.relation.publisherversionhttp://www.amyloid.nl/Files/Abstract_Book_ISA_2012.pdfpor
dc.subjectFamilial Amyloidotic Polyneuropathypor
dc.subjectTransthyretinpor
dc.subjectRenal Progenitor Cellspor
dc.subjectRenal Diseasepor
dc.subjectDoenças Genéticaspor
dc.titleTTRV30M oligomeric aggregates inhibit proliferation of renal progenitor cells but maintain their capacity to differentiate into podocytes in vitropor
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceGroningen, The Netherlandspor
oaire.citation.titleXIIIth International Symposium on Amyloidosis, 6-10 May 2012por
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor

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