Zfp277は、我々がポリコーム蛋白質Bmi1の結合因子としてYeast two-hybrid screeningにより単離した。Zfp277はポリコーム蛋白質と協調的にInk4a/Arf遺伝子の発現抑制に働き、Zfp277KO由来のマウス線維芽細胞はこの経路の異常によりInk4a/Arf遺伝子の発現が脱抑制し、早期の細胞老化が観察される。 B6.129-Zfp277<tm1> B6.129-Zfp277<tm1> Heterozygote x Wild-type [C57BL/6NCrSlc] RBRC05541 Zfp277 gene knockout mice. Exon 5 of Zfp277 gene was replaced with a floxed neo cassette. Homozygous mutant mice were born according to Menderian’s law, but the growth retardation and death of homozygous mice were sporadically observed. C(3〜6か月) Cre/loxP system C (3-6 months) Necessary documents for ordering:<ol><li>Order form (<A HREF="https://mus.brc.riken.jp/ja/wp-content/uploads/form/form_4.docx">Japanese</A> / <A HREF="https://mus.brc.riken.jp/en/wp-content/uploads/form/form_b.docx">English</A>)</li><li>Category I MTA: MTA for distribution with RIKEN BRC (<A HREF="https://mus.brc.riken.jp/ja/wp-content/uploads/form/form_5.docx">Japanese</A> / <A HREF="https://mus.brc.riken.jp/en/wp-content/uploads/form/form_c.docx">English</A>)</li><li>Acceptance of responsibility for living modified organism (<A HREF="https://mus.brc.riken.jp/ja/wp-content/uploads/form/form_7.docx">Japanese</A> / <A HREF="https://mus.brc.riken.jp/en/wp-content/uploads/form/form_g.docx">English</A>)</li></ol> true 千葉大学 岩間 厚志先生 (2005年) R1 ES (Hybrid of two 129 substrains (129X1/SvJ and 129S1/SV-+<p>+<Tyr-c>Kitl<Sl-J>/+) R1 [(129X1/SvJ x 129S1/Sv)F1-Kitl<+>] <a href='https://brc.riken.jp/mus/pcr05541'>Genotyping protocol -PCR-</a> Zfp277 KO, B6-Zfp277 KO Zfp277 KO, B6-Zfp277 KO Developed by Atsushi Iwama, Graduate School of Medicine, Chiba University in 2005. The mutant mice were backcrossed to C57BL/6N. Atsushi IWAMA 千葉大学 岩間 厚志先生 (2005年)R1 ES (Hybrid of two 129 substrains (129X1/SvJ and 129S1/SV-+<p>+<Tyr-c>Kitl<Sl-J>/+) 条件を付加する。<br>研究成果の公表にあたって寄託者の指定する文献を引用する。PloS One., 5, e12373 (2010). In publishing the research results obtained by use of the BIOLOGICAL RESOURCE, a citation of the following literature(s) designated by the DEPOSITOR is requested. PloS One., 5, e12373 (2010). C57BL/6コンジェニック系統。C57BL/6NCr (日本SLC) に6世代以上の戻し交配を行う。その後,兄妹交配にて維持。 Bacteriophage loxP sites, Mouse Phosphoglycerate kinase promoter (PGK promoter), E. coli Neomycin resistance gene, SV40 PolyA signal, mouse Zfp277 genomic DNA 岩間 厚志