UTF1
Transkripcijski faktor 1 nediferenciranih embrionskih ćelija je protein koji je kod ljudi kodiran genom UTF1.[5] UTF1, prvi put prijavljen 1998., eksprimira se u pluripotentnim ćelijama uključujući embrionske matične ćelije i ćelije embrionskog karcinoma.[6] Nakon diferencijacije, njegova ekspresija brzo se smanjuje. UTF1 protein je lokaliziran u ćelijskom jedru , gdje funkcionira za regulaciju pluripotentnog stanja hromatina i pufera iRNK, promoviranjem razgradnje iRNK.[7]
Aberantna ekspresija UTF1 zabilježena je i u ćelijama raka grlića maternice, gdje UTF1 genski promotor gubi metilaciju i postaje abnormalno eksprimiran u usporedbi s normalnim ćelijama vrata maternice.[8]
Aminokiselinska sekvenca
Dužina polipeptidnog lanca je 341 aminokiselina, а molekulska težina 36.439 Da.[9]
| 10 | 20 | 30 | 40 | 50 | ||||
|---|---|---|---|---|---|---|---|---|
| MLLRPRRPPP | LAPPAPPSPA | SPDPEPRTPG | DAPGTPPRRP | ASPSALGELG | ||||
| LPVSPGSAQR | TPWSARETEL | LLGTLLQPAV | WRALLLDRRQ | ALPTYRRVSA | ||||
| ALAQQQVRRT | PAQCRRRYKF | LKDKFREAHG | QPPGPFDEQI | RKLMGLLGDN | ||||
| GRKRPRRRSP | GSGRPQRARR | PVPNAHAPAP | SEPDATPLPT | ARDRDADPTW | ||||
| TLRFSPSPPK | SADASPAPGS | PPAPAPTALA | TCIPEDRAPV | RGPGSPPPPP | ||||
| AREDPDSPPG | RPEDCAPPPA | APPSLNTALL | QTLGHLGDIA | NILGPLRDQL | ||||
| LTLNQHVEQL | RGAFDQTVSL | AVGFILGSAA | AERGVLRDPC | Q |
Reference
- ^ a b c GRCh38: Ensembl release 89: ENSG00000171794 - Ensembl, maj 2017
- ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000047751 - Ensembl, maj 2017
- ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- ^ "Entrez Gene: Undifferentiated embryonic cell transcription factor 1". Pristupljeno 30. 5. 2013.
- ^ Okuda A; Fukushima A; Nishimoto M; Orimo A; Yamagishi T; Nabeshima Y; Kuro-o M; Nabeshima Yi; Boon K; Keaveney M; Stunnenberg HG; Muramatsu M. (april 1998). "UTF1, a novel transcriptional coactivator expressed in pluripotent embryonic stem cells and extra-embryonic cells". EMBO J. 17 (7): 2019–32. doi:10.1093/emboj/17.7.2019. PMC 1170547. PMID 9524124.
- ^ Jia J, Zheng X, Hu G, Cui K, Zhang J, Zhang A, Jiang H, Lu B, Yates J, Liu C, Zhao K, Zheng Y (oktobar 2012). "Regulation of pluripotency and self- renewal of ESCs through epigenetic-threshold modulation and mRNA pruning". Cell. 151 (3): 576–89. doi:10.1016/j.cell.2012.09.023. PMC 3575637. PMID 23101626.
- ^ Guenin S, Mouallif M, Deplus R, Lampe X, Krusy N, Calonne E, Delbecque K, Kridelka F, Fuks F, Ennaji MM, Delvenne P (august 2012). "Aberrant promoter methylation and expression of UTF1 during cervical carcinogenesis". PLOS ONE. 7 (8): e42704. doi:10.1371/journal.pone.0042704. PMC 3411846. PMID 22880087.
- ^ "UniProt, Q5T230". Pristupljeno 2. 9. 2021.
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