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An Inr-containing s...
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Franklin, Gary C.
(författare)
An Inr-containing sequence flanking the TATA box of the human c-sis (PDGF-B) proto-oncogene promoter functions in cis as a co-activator for its intronic enhancer
- Artikel/kapitelEngelska1995
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LIBRIS-ID:oai:DiVA.org:uu-85215
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-85215URI
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http://kipublications.ki.se/Default.aspx?queryparsed=id:113363396URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:vet swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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Addresses: FRANKLIN GC, UPPSALA UNIV, DEPT ANIM DEV & GENET, NORBYVAGEN 18A, S-75236 UPPSALA, SWEDEN.
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High-level activity of the human PDGF-B promoter in choriocarcinoma cell lines depends upon an atypical, intronic enhancer-like element which does not function with heterologous promoters tested. An extensive series of mutant PDGF-B promoter-driven constructs identified a sequence flanking the TATA box which is required specifically for enhancer-mediated transcription in human choriocarcinoma cell lines. This element, which we here term an enhancer-dependent cis co-activator (EDC) contains an Inr (initiator) consensus sequence upstream of the TATA box which is required, but not sufficient for its function. Requirement for the EDC is cell type-specific, since it was dispensable for enhancer-mediated transcription in a human breast cancer cell line. Although it lies within the region defined, the TATA box itself is not required for EDC function, or for basal promoter function which may derive from a second Inr-like sequence situated at the transcriptional start site. These observations indicate that interactions between some promoter and enhancer elements may be more complex than that generally described for 'classical' enhancer systems and may suggest an additional function for the initiator motif.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Adam, Gail I.R.
(författare)
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Miller, Stephen J.
(författare)
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Moncrieff, Colin L.
(författare)
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Ullerås, ErikUppsala universitet,Zoologisk utvecklingsbiologi(Swepub:uu)erikulle
(författare)
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Ohlsson, RolfKarolinska Institutet,Uppsala universitet,Zoologisk utvecklingsbiologi(Swepub:uu)rolfohls
(författare)
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Uppsala universitetZoologisk utvecklingsbiologi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Oncogene11:9, s. 1873-18840950-92321476-5594
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Oncogene
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