Ninein
Ninein
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Ninein adalah protein yang pada manusia dikodekan oleh gen NIN.[4][5][6] Ninein, bersama-sama dengan ekspersi paralog protein seperti-Ninein adalah salah satu protein yang penting untuk fungsi sentrosomal. Protein ini penting untuk penentuan posisi dan penahan mikrotubulus minus berakhir di sel epitel. Lokalisasi protein ini untuk sentrosom membutuhkan tiga leucine zipper dalam domain melingkar-coil pusat.
Beberapa varian transkrip alternatif disambung yang menyandi isoform yang berbeda telah dilaporkan.[6] Pada dogma sentral biologi molekuler lama, gen ditranskripsi menjadi mRNA, lalu mengalami pematangan menjadi RNA matang. Namun kini diketahui, ekson pun bisa mengalami splicing, dikenal dengan eksitron (ekson yang bernasib sama seperti intron). Dalam hal ini, ninein full length (penuh) terekspresi di inti sel dan terlokalisasi di zona ventrikular sebagai sel punca saraf. Namun produk transkrip alternatifnya, yang ukurannya lebih pendek, dikirim ke sitoplasma, dan aksinya adalah memicu diferensiasi (tidak menjadi sel saraf). Keadaan ini dikaitkan dengan gangguan pada penderita autisme.[7]
Bacaan lebih lanjut
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{{cite journal}}: - Ou YY, Mack GJ, Zhang M, Rattner JB (2002). "CEP110 and ninein are located in a specific domain of the centrosome associated with centrosome maturation". J. Cell. Sci. 115 (Pt 9): 1825–35. PMID 11956314.
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{{cite journal}}: - Chen CH; Howng SL; Cheng TS; et al. (2003). "Molecular characterization of human ninein protein: two distinct subdomains required for centrosomal targeting and regulating signals in cell cycle". Biochem. Biophys. Res. Commun. 308 (4): 975–83. doi:10.1016/S0006-291X(03)01510-9. PMID 12927815.
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{{cite journal}}: Pemeliharaan CS1: DOI bebas tanpa ditandai (link) - Ota T; Suzuki Y; Nishikawa T; et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs". Nat. Genet. 36 (1): 40–5. doi:10.1038/ng1285. PMID 14702039.
{{cite journal}}: - Innocenti M; Zucconi A; Disanza A; et al. (2004). "Abi1 is essential for the formation and activation of a WAVE2 signalling complex". Nat. Cell Biol. 6 (4): 319–27. doi:10.1038/ncb1105. PMID 15048123.
{{cite journal}}: - Vizmanos JL; Novo FJ; Román JP; et al. (2004). "NIN, a gene encoding a CEP110-like centrosomal protein, is fused to PDGFRB in a patient with a t(5;14)(q33;q24) and an imatinib-responsive myeloproliferative disorder". Cancer Res. 64 (8): 2673–6. doi:10.1158/0008-5472.CAN-04-0144. PMID 15087377.
{{cite journal}}: - Howng SL; Hsu HC; Cheng TS; et al. (2004). "A novel ninein-interaction protein, CGI-99, blocks ninein phosphorylation by GSK3beta and is highly expressed in brain tumors". FEBS Lett. 566 (1–3): 162–8. doi:10.1016/j.febslet.2004.04.024. PMID 15147888.
{{cite journal}}: - Stillwell EE, Zhou J, Joshi HC (2006). "Human ninein is a centrosomal autoantigen recognized by CREST patient sera and plays a regulatory role in microtubule nucleation". Cell Cycle. 3 (7): 923–30. doi:10.4161/cc.3.7.947. PMID 15190203.
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{{cite journal}}: - Delgehyr N, Sillibourne J, Bornens M (2005). "Microtubule nucleation and anchoring at the centrosome are independent processes linked by ninein function". J. Cell. Sci. 118 (Pt 8): 1565–75. doi:10.1242/jcs.02302. PMID 15784680.
- Cheng TS; Chang LK; Howng SL; et al. (2006). "SUMO-1 modification of centrosomal protein hNinein promotes hNinein nuclear localization". Life Sci. 78 (10): 1114–20. doi:10.1016/j.lfs.2005.06.021. PMID 16154161.
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Referensi
- ^ a b c GRCh38: Ensembl release 89: ENSG00000100503 – Ensembl, May 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.
- ^ Hong YR, Chen CH, Chang JH, Wang S, Sy WD, Chou CK, Howng SL (Oct 2000). "Cloning and characterization of a novel human ninein protein that interacts with the glycogen synthase kinase 3beta". Biochim Biophys Acta. 1492 (2–3): 513–6. doi:10.1016/S0167-4781(00)00127-5. PMID 11004522.
- ^ Hong YR, Chen CH, Chuo MH, Liou SY, Howng SL (Feb 2001). "Genomic organization and molecular characterization of the human ninein gene". Biochem. Biophys. Res. Commun. 279 (3): 989–95. doi:10.1006/bbrc.2000.4050. PMID 11162463.
- ^ a b "Entrez Gene: NIN ninein (GSK3B interacting protein)".
- ^ Zhang X, Chen MH, Wu X, Kodani A, Fan J, Doan R, dkk (Aug 2016). "Cell-Type-Specific Alternative Splicing Governs Cell Fate in the Developing Cerebral Cortex". Cell. 166 (5): 1147–62. doi:10.1016/j.cell.2016.07.025. PMID 27565344.
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