AAA+ superfamily ATPases: common structure–diverse function Tập 6 Số 7 - Trang 575-597 - 2001
Teru Ogura, Anthony J. Wilkinson
The AAA+ superfamily of ATPases, which contain a homologous ATPase module, are found in all kingdoms of living organisms where they participate in diverse cellular processes including membrane fusion, proteolysis and DNA replication. Recent structural studies have revealed that they usually form ring‐shaped oligomers, which are crucial for their ATPase activities and m...... hiện toàn bộ Maintenance of self‐renewal ability of mouse embryonic stem cells in the absence of DNA methyltransferases Dnmt1, Dnmt3a and Dnmt3b Tập 11 Số 7 - Trang 805-814 - 2006
Akiko Tsumura, Tomohiro Hayakawa, Yuichi Kumaki, Shin‐ichiro Takebayashi, Masaki Sakaue, Chisa Matsuoka, Kunitada Shimotohno, Fuyuki Ishikawa, En Li, Hiroki R. Ueda, Jun‐ichi Nakayama, Masaki Okano
DNA methyltransferases Dnmt1, Dnmt3a and Dnmt3b cooperatively regulate cytosine methylation in CpG dinucleotides in mammalian genomes, providing an epigenetic basis for gene silencing and maintenance of genome integrity. Proper CpG methylation is required for the normal growth of various somatic cell types, indicating its essential role in the basic cellular function of mammalian cells. Pr...... hiện toàn bộ The superoxide‐producing NAD(P)H oxidase Nox4 in the nucleus of human vascular endothelial cells Tập 10 Số 12 - Trang 1139-1151 - 2005
Junya Kuroda, Kazunori Nakagawa, Tomoko Yamasaki, Kei‐ichiro Nakamura, Ryu Takeya, Futoshi Kuribayashi, Shinobu Imajoh‐Ohmi, Kazuhiko Igarashi, Yosaburo Shibata, Katsuo Sueishi, Hideki Sumimoto
The superoxide‐producing NAD(P)H oxidase Nox4 was initially identified as an enzyme that is highly expressed in the kidney and is possibly involved in oxygen sensing and cellular senescence. Although the oxidase is also abundant in vascular endothelial cells, its role remains to be elucidated. Here we show that Nox4 preferentially localizes to the nucleus of human umbilical vein endothelia...... hiện toàn bộ The shortest path from the surface to the nucleus: RBP‐Jκ/Su(H) transcription factor Tập 1 Số 1 - Trang 1-9 - 1996
Tasuku Honjo
Communication between cell surface receptors and nuclear transcription factors is of primary importance to multicellular organisms. Since there are numerous molecules involved in this process, their mutual interaction forms complex networks of informational regulation, which is still under extensive investigation. The RBP‐Jκ transcription factor interacts directly with the Notch receptor i...... hiện toàn bộ MBSJ MCC Young Scientist Award 2009 REVIEW: Selective autophagy regulates various cellular functions Tập 15 Số 9 - Trang 923-933 - 2010
Masaaki Komatsu, Yoshinobu Ichimura
Autophagy is a self‐eating system conserved among eukaryotes, in which cellular components including organelles are entrapped into a double membrane structure called the autophagosome and then degraded by lysosomal hydrolases. In addition to its role in supplying amino acids in response to nutrient starvation, autophagy is involved in quality control to maintain cell health. Thus, inactiva...... hiện toàn bộ Targeted disruption of ATF4 discloses its essential role in the formation of eye lens fibres Tập 3 Số 12 - Trang 801-810 - 1998
Takashi Tanaka, Tohru Tsujimura, Kohsuke Takeda, Ayako Sugihara, Akiko Maekawa, Nobuyuki Terada, Nobuaki Yoshida, Shizuo Akira
Background: Activating transcription factor‐4 (ATF4)—also termed CREB2, C/ATF, and TAXREB67—is a basic‐leucine zipper (bZip) transcription factor that belongs to the ATF/CREB family. In addition to its own family members, ATF4 can also form heterodimers with other related but distinct bZIP proteins such as the C/EBP, AP‐1 and Maf families, which may give rise to...... hiện toàn bộ Role of p300, a transcriptional coactivator, in signalling of TGF‐β Tập 3 Số 9 - Trang 613-623 - 1998
Ayako Nishihara, Jun Hanai, Nobuaki Okamoto, Jun Yanagisawa, Shigeaki Kato, Kohei Miyazono, Masahiko Kurabayashi
BackgroundSmad proteins are novel transcriptional regulators mediating the signalling of the transforming growth factor‐β (TGF‐β) superfamily. Coactivators such as p300/CBP promote transactivation by various transcription factors through a direct interaction with them. Adenoviral oncoprotein E1A, which binds p300, was shown to inhibit the signalling of TG...... hiện toàn bộ Roles of Sall4 in the generation of pluripotent stem cells from blastocysts and fibroblasts Tập 14 Số 6 - Trang 683-694 - 2009
Noriko Tsubooka, Tomoko Ichisaka, Keisuke Okita, Kazutoshi Takahashi, Masato Nakagawa, Shinya Yamanaka
Pluripotency of embryonic stem (ES) cells is maintained by a network consisting of multiple transcription factors, including Oct3/4, Sox2, Nanog, Klf4 and Sall4. Among these factors, the forced expressions of Oct3/4, Sox2 and Klf4 are sufficient to reprogram fibroblasts into induced pluripotent stem (iPS) cells. The current study analyzed the role of Sall4 during the generation of ES cells...... hiện toàn bộ