Genomes and Genes
Experts and Doctors on ubiquitin protein ligases in Tokyo, Japan
Locale: Tokyo, Japan
Topic: ubiquitin protein ligases
- Sasaki T, Toh e A, Kikuchi Y. Yeast Krr1p physically and functionally interacts with a novel essential Kri1p, and both proteins are required for 40S ribosome biogenesis in the nucleolus. Mol Cell Biol. 2000;20:7971-9 pubmed..These data lead us to conclude that Krr1p physically and functionally interacts with Kri1p to form a complex which is required for 40S ribosome biogenesis in the nucleolus. ..
- Irisawa M, Inoue J, Ozawa N, Mori K, Sato R. The sterol-sensing endoplasmic reticulum (ER) membrane protein TRC8 hampers ER to Golgi transport of sterol regulatory element-binding protein-2 (SREBP-2)/SREBP cleavage-activated protein and reduces SREBP-2 cleavage. J Biol Chem. 2009;284:28995-9004 pubmed publisher
- Shiotsuki H, Yoshimi K, Shimo Y, Funayama M, Takamatsu Y, Ikeda K, et al. A rotarod test for evaluation of motor skill learning. J Neurosci Methods. 2010;189:180-5 pubmed publisher..The modified rotarod test would be useful for evaluation of dopamine involvement in the acquisition of motor skill learning. ..
- Sato S, Chiba T, Sakata E, Kato K, Mizuno Y, Hattori N, et al. 14-3-3eta is a novel regulator of parkin ubiquitin ligase. EMBO J. 2006;25:211-21 pubmed..Our findings indicate that 14-3-3eta is a regulator that functionally links parkin and alpha-SN. The alpha-SN-positive and 14-3-3eta-negative control of parkin activity sheds new light on the pathophysiological roles of parkin. ..
- Mizuide M, Hara T, Furuya T, Takeda M, Kusanagi K, Inada Y, et al. Two short segments of Smad3 are important for specific interaction of Smad3 with c-Ski and SnoN. J Biol Chem. 2003;278:531-6 pubmed..Our findings thus demonstrate the stoichiometry of how multiple molecules can associate with the Smad oligomers and how the Smad-interacting proteins functionally interact with each other. ..
- Kim M, Nakamoto T, Nishimori S, Tanaka K, Chiba T. A new ubiquitin ligase involved in p57KIP2 proteolysis regulates osteoblast cell differentiation. EMBO Rep. 2008;9:878-84 pubmed publisher..As overexpression of p57(KIP2) promoted osteoblast differentiation, these results indicate the importance of FBL12 and the degradation of p57(KIP2) in the regulation of osteoblast cell differentiation. ..
- Okabe H, Satoh S, Furukawa Y, Kato T, Hasegawa S, Nakajima Y, et al. Involvement of PEG10 in human hepatocellular carcinogenesis through interaction with SIAH1. Cancer Res. 2003;63:3043-8 pubmed..These findings suggested that development of drug(s) inhibiting PEG10 activity could be a novel approach for the treatment of hepatocellular carcinomas. ..
- Kuratomi G, Komuro A, Goto K, Shinozaki M, Miyazawa K, Miyazono K, et al. NEDD4-2 (neural precursor cell expressed, developmentally down-regulated 4-2) negatively regulates TGF-beta (transforming growth factor-beta) signalling by inducing ubiquitin-mediated degradation of Smad2 and TGF-beta type I receptor. Biochem J. 2005;386:461-70 pubmed
- Sakamoto H, Zhang X, Suenobu S, Ohbo K, Ogawa M, Suda T. Cell adhesion to ephrinb2 is induced by EphB4 independently of its kinase activity. Biochem Biophys Res Commun. 2004;321:681-7 pubmed..These results suggest that activation of EphB4 participates in adhesive but not repulsive signals independently of its tyrosine kinase activity in hematopoietic cells. ..
- Matsuoka S, Oike Y, Onoyama I, Iwama A, Arai F, Takubo K, et al. Fbxw7 acts as a critical fail-safe against premature loss of hematopoietic stem cells and development of T-ALL. Genes Dev. 2008;22:986-91 pubmed publisher..Thus, Fbxw7 functions as a fail-safe mechanism against both premature HSC loss and leukemogenesis. ..
- Tsukahara F, Maru Y. Bag1 directly routes immature BCR-ABL for proteasomal degradation. Blood. 2010;116:3582-92 pubmed publisher..Bag1 may direct CHIP/Hsc70-regulated protein triage decisions on BCR-ABL immediately after translation to the degradation pathway. ..
- Tanida I, Tanida Miyake E, Nishitani T, Komatsu M, Yamazaki H, Ueno T, et al. Murine Apg12p has a substrate preference for murine Apg7p over three Apg8p homologs. Biochem Biophys Res Commun. 2002;292:256-62 pubmed..We also report here on the ubiquitous expression of human APG7 mRNA in human adult and fetal tissues and of rat Apg7p in adult tissues. ..
- Sato S, Chiba T, Nishiyama S, Kakiuchi T, Tsukada H, Hatano T, et al. Decline of striatal dopamine release in parkin-deficient mice shown by ex vivo autoradiography. J Neurosci Res. 2006;84:1350-7 pubmed..Our results suggest that dopaminergic neurons could behave abnormally before neuronal death. ..
- Yamazaki K, Sakamoto M, Ohta T, Kanai Y, Ohki M, Hirohashi S. Overexpression of KIT in chromophobe renal cell carcinoma. Oncogene. 2003;22:847-52 pubmed..As overexpression of KIT might be involved in tumor growth, KIT could be a new therapeutic target in this special type of RCC. ..
- Shiba K, Arai T, Sato S, Kubo S, Ohba Y, Mizuno Y, et al. Parkin stabilizes PINK1 through direct interaction. Biochem Biophys Res Commun. 2009;383:331-5 pubmed publisher..Our results indicate that Parkin regulates PINK1 stabilization via direct interaction with PINK1, and operates through a common pathway with PINK1 in the pathogenesis of early-onset PD. ..
- Hinohara K, Ohtani H, Nakajima T, Sasaoka T, Sawabe M, Lee B, et al. Validation of eight genetic risk factors in East Asian populations replicated the association of BRAP with coronary artery disease. J Hum Genet. 2009;54:642-6 pubmed publisher..Failure to replicate the association with the other SNPs, which were reported in the European populations, suggested that their contributions to CAD were not large enough to be readily captured in the East Asian populations. ..
- Kitada T, Asakawa S, Hattori N, Matsumine H, Yamamura Y, Minoshima S, et al. Mutations in the parkin gene cause autosomal recessive juvenile parkinsonism. Nature. 1998;392:605-8 pubmed..Mutations in the newly identified gene appear to be responsible for the pathogenesis of AR-JP, and we have therefore named the protein product 'Parkin'. ..
- Ebisawa T, Fukuchi M, Murakami G, Chiba T, Tanaka K, Imamura T, et al. Smurf1 interacts with transforming growth factor-beta type I receptor through Smad7 and induces receptor degradation. J Biol Chem. 2001;276:12477-80 pubmed..These results thus reveal a novel function of Smad7, i.e. induction of degradation of TbetaR-I through recruitment of an E3 ligase to the receptor. ..
- Fukuda T, Kondo Y, Nakagama H. The anti-proliferative effects of the CHFR depend on the forkhead associated domain, but not E3 ligase activity mediated by ring finger domain. PLoS ONE. 2008;3:e1776 pubmed publisher..Collectively, our data show that the checkpoint function of the FHA domain of CHFR is a core component of anti-proliferative properties against the gastrointestinal carcinogenesis. ..
- Azuma K, Urano T, Ouchi Y, Inoue S. Glucocorticoid-induced gene tripartite motif-containing 63 (TRIM63) promotes differentiation of osteoblastic cells. Endocr J. 2010;57:455-62 pubmed..These results suggest that TRIM63 is a candidate for genes mediating the glucocorticoid-induced promotion of osteoblastic differentiation. ..
- Shimura H, Hattori N, Kubo S, Mizuno Y, Asakawa S, Minoshima S, et al. Familial Parkinson disease gene product, parkin, is a ubiquitin-protein ligase. Nat Genet. 2000;25:302-5 pubmed
- Kobayashi S, Sawano A, Nojima Y, Shibuya M, Maru Y. The c-Cbl/CD2AP complex regulates VEGF-induced endocytosis and degradation of Flt-1 (VEGFR-1). FASEB J. 2004;18:929-31 pubmed..These results suggest that the c-Cbl/CD2AP complex binds to activated Flt-1 and plays a crucial role in its endocytosis and subsequent degradation. ..
- Saitoh F, Araki T. Proteasomal degradation of glutamine synthetase regulates schwann cell differentiation. J Neurosci. 2010;30:1204-12 pubmed publisher..These results indicate that the ZNRF1-GS system may play an important role in correlating Schwann cell metabolism with its differentiation. ..
- Fukae J, Sato S, Shiba K, Sato K, Mori H, Sharp P, et al. Programmed cell death-2 isoform1 is ubiquitinated by parkin and increased in the substantia nigra of patients with autosomal recessive Parkinson's disease. FEBS Lett. 2009;583:521-5 pubmed publisher..Furthermore, accumulation of PDCD2-1 was found in the SN of ARPD as well as in sporadic PD, suggesting that common failure of the ubiquitin-proteasome system is associated with neuronal death in both ARPD and sporadic PD. ..
- Yogosawa S, Hatakeyama S, Nakayama K, Miyoshi H, Kohsaka S, Akazawa C. Ubiquitylation and degradation of serum-inducible kinase by hVPS18, a RING-H2 type ubiquitin ligase. J Biol Chem. 2005;280:41619-27 pubmed..Furthermore, the delayed entry into S phase is observed in HeLa cells overexpressing hVPS18. These results suggest that hVPS18 may play an important role in regulation of SNK activity through its ubiquitin ligase. ..
- Funakoshi Tago M, Tago K, Hayakawa M, Tominaga S, Ohshio T, Sonoda Y, et al. TRAF6 is a critical signal transducer in IL-33 signaling pathway. Cell Signal. 2008;20:1679-86 pubmed publisher..Thus, these data demonstrate that TRAF6 plays a pivotal role in IL-33 signaling pathway through its ubiquitin ligase activity. ..
- Michimoto T, Aoki T, Toh e A, Kikuchi Y. Yeast Pdr13p and Zuo1p molecular chaperones are new functional Hsp70 and Hsp40 partners. Gene. 2000;257:131-7 pubmed..Taken together, we propose that Pdr13p and Zuo1p are a new pair of Hsp70:Hsp40 molecular chaperones. In addition, Pdr13p co-sedimented with translating ribosomes and this association was independent of the presence of Zuo1p. ..
- Ohtake F, Fujii Kuriyama Y, Kato S. AhR acts as an E3 ubiquitin ligase to modulate steroid receptor functions. Biochem Pharmacol. 2009;77:474-84 pubmed publisher..We propose that target-specific regulation of protein destruction, as well as gene expression, is modulated by environmental toxins through the E3 ubiquitin ligase activity of AhR. ..
- Hase A, Yamada H, Arai K, Sunada Y, Shimizu T, Matsumura K. Characterization of parkin in bovine peripheral nerve. Brain Res. 2002;930:143-9 pubmed..All together, these results point to diverse roles of parkin in not only the central but also the peripheral nervous system. ..
- Takizawa S, Nagasaka K, Nakagawa S, Yano T, Nakagawa K, Yasugi T, et al. Human scribble, a novel tumor suppressor identified as a target of high-risk HPV E6 for ubiquitin-mediated degradation, interacts with adenomatous polyposis coli. Genes Cells. 2006;11:453-64 pubmed..These data suggest that hScrib may participate in the hDlg-APC complex through its PDZ domains and regulate cell cycle and neural function by associating with APC. ..
- Suzuki C, Murakami G, Fukuchi M, Shimanuki T, Shikauchi Y, Imamura T, et al. Smurf1 regulates the inhibitory activity of Smad7 by targeting Smad7 to the plasma membrane. J Biol Chem. 2002;277:39919-25 pubmed..Thus, these results suggest that the plasma membrane localization of Smad7 by Smurf1 requires the C2 domain of Smurf1 and is essential for the inhibitory effect of Smad7 in the transforming growth factor-beta signaling pathway. ..
- Tajima Y, Goto K, Yoshida M, Shinomiya K, Sekimoto T, Yoneda Y, et al. Chromosomal region maintenance 1 (CRM1)-dependent nuclear export of Smad ubiquitin regulatory factor 1 (Smurf1) is essential for negative regulation of transforming growth factor-beta signaling by Smad7. J Biol Chem. 2003;278:10716-21 pubmed..These results thus suggest that CRM1-dependent nuclear export of Smurf1 is essential for the negative regulation of TGF-beta signaling by Smad7. ..
- Tanaka M, Nishiyama Y, Sata T, Kawaguchi Y. The role of protein kinase activity expressed by the UL13 gene of herpes simplex virus 1: the activity is not essential for optimal expression of UL41 and ICP0. Virology. 2005;341:301-12 pubmed..These results indicate that the protein kinase activity of UL13 plays a role in viral replication in cell culture, but the activity is not essential for the optimal expression of UL41 and ICP0. ..
- Iwata A, Nagashima Y, Matsumoto L, Suzuki T, Yamanaka T, Date H, et al. Intranuclear degradation of polyglutamine aggregates by the ubiquitin-proteasome system. J Biol Chem. 2009;284:9796-803 pubmed publisher..Moreover, UHRF-2 is associated with nuclear inclusion bodies in vitro and in vivo. Our data suggest that UHRF-2 is an essential molecule for nuclear pQ degradation as a component of nuclear PQC machinery in mammalian cells. ..
- Ichimura T, Yamamura H, Sasamoto K, Tominaga Y, Taoka M, Kakiuchi K, et al. 14-3-3 proteins modulate the expression of epithelial Na+ channels by phosphorylation-dependent interaction with Nedd4-2 ubiquitin ligase. J Biol Chem. 2005;280:13187-94 pubmed..Our findings suggest that 14-3-3 proteins modulate the cell surface density of ENaC cooperatively with Sgk1 kinase by maintaining hNedd4-2 in an inactive phosphorylated state. ..
- Aoyama Y, Urushiyama S, Yamada M, Kato C, Ide H, Higuchi S, et al. MFB-1, an F-box-type ubiquitin ligase, regulates TGF-beta signalling. Genes Cells. 2004;9:1093-101 pubmed..We propose that MFB-1 is a novel F-box protein that negatively regulates dauer formation in concert with the DAF-7 signalling pathway in C. elegans. ..
- Arai Y, Honda S, Haruta M, Kasai F, Fujiwara Y, Ohshima J, et al. Genome-wide analysis of allelic imbalances reveals 4q deletions as a poor prognostic factor and MDM4 amplification at 1q32.1 in hepatoblastoma. Genes Chromosomes Cancer. 2010;49:596-609 pubmed publisher..21 and 7.55, respectively) are independent prognostic factors. Our results indicate that allelic imbalances and gene expression patterns provide possible diagnostic and prognostic markers, as well as therapeutic targets in a subset of HB...
- Maruyama T, Kadowaki H, Okamoto N, Nagai A, Naguro I, Matsuzawa A, et al. CHIP-dependent termination of MEKK2 regulates temporal ERK activation required for proper hyperosmotic response. EMBO J. 2010;29:2501-14 pubmed publisher..These findings show that transient activation of the ERK pathway, which depends not only on MEKK2 activation, but also on CHIP-dependent MEKK2 degradation, is crucial for proper gene expression in hyperosmotic stress response. ..
- Komuro A, Imamura T, Saitoh M, Yoshida Y, Yamori T, Miyazono K, et al. Negative regulation of transforming growth factor-beta (TGF-beta) signaling by WW domain-containing protein 1 (WWP1). Oncogene. 2004;23:6914-23 pubmed..Importantly, WWP1 and Smurfs were expressed in distinct patterns in human tissues and carcinoma cell lines, suggesting unique pathophysiological roles of WWP1 and Smurfs. ..
- Ozawa Y, Nakao K, Kurihara T, Shimazaki T, Shimmura S, Ishida S, et al. Roles of STAT3/SOCS3 pathway in regulating the visual function and ubiquitin-proteasome-dependent degradation of rhodopsin during retinal inflammation. J Biol Chem. 2008;283:24561-70 pubmed publisher..These findings suggest SOCS3 as a potential therapeutic target molecule for protecting photoreceptor cell function during inflammation. ..
- Shimoji T, Murakami K, Sugiyama Y, Matsuda M, Inubushi S, Nasu J, et al. Identification of annexin A1 as a novel substrate for E6AP-mediated ubiquitylation. J Cell Biochem. 2009;106:1123-35 pubmed publisher..Our findings raise the possibility that E6AP may play a role in controlling the diverse functions of annexin A1 through the ubiquitin-proteasome pathway. ..
- Fukuchi M, Imamura T, Chiba T, Ebisawa T, Kawabata M, Tanaka K, et al. Ligand-dependent degradation of Smad3 by a ubiquitin ligase complex of ROC1 and associated proteins. Mol Biol Cell. 2001;12:1431-43 pubmed..Smad3 bound to ROC1-SCF(Fbw1a) is then exported from the nucleus to the cytoplasm for proteasomal degradation. TGF-beta/Smad3 signaling is thus irreversibly terminated by the ubiquitin-proteasome pathway. ..
- Murata S, Minami Y, Minami M, Chiba T, Tanaka K. CHIP is a chaperone-dependent E3 ligase that ubiquitylates unfolded protein. EMBO Rep. 2001;2:1133-8 pubmed..Our results indicate that CHIP can be regarded as 'a quality-control E3' that selectively ubiquitylates unfolded protein(s) by collaborating with molecular chaperones. ..
- Takanami I, Inoue Y, Gika M. G-protein inwardly rectifying potassium channel 1 (GIRK 1) gene expression correlates with tumor progression in non-small cell lung cancer. BMC Cancer. 2004;4:79 pubmed..0004 for the overall group; p = 0.0376 for stage I). These data indicate that GIRK1 may contribute to tumor progression and GIRK1 gene expression can serve as a useful prognostic marker in the overall and stage I NSCLCs. ..
- Ng C, Arakawa H, Fukuda S, Kondoh H, Nakamura Y. p53RFP, a p53-inducible RING-finger protein, regulates the stability of p21WAF1. Oncogene. 2003;22:4449-58 pubmed..Our results further suggest that p53 might regulate the stability of p21(WAF1) through transcriptional regulation of p53RFP, and this feature may represent a novel mechanism for a p53-dependent cell-cycle checkpoint. ..
- Nagaki K, Yamamura H, Shimada S, Saito T, Hisanaga S, Taoka M, et al. 14-3-3 Mediates phosphorylation-dependent inhibition of the interaction between the ubiquitin E3 ligase Nedd4-2 and epithelial Na+ channels. Biochemistry. 2006;45:6733-40 pubmed..et al. (2006) EMBO J. 25, 211-221], suggest that 14-3-3 suppresses ubiquitin E3 ligase activities by inhibiting the formation of the enzyme/substrate complex. ..
- Nakamura Y, Futamura M, Kamino H, Yoshida K, Nakamura Y, Arakawa H. Identification of p53-46F as a super p53 with an enhanced ability to induce p53-dependent apoptosis. Cancer Sci. 2006;97:633-41 pubmed..We propose p53-46F as an alternative candidate to wild-type p53 for use in developing new therapeutic strategies for the treatment of cancer. ..
- Ueki T, Park J, Nishidate T, Kijima K, Hirata K, Nakamura Y, et al. Ubiquitination and downregulation of BRCA1 by ubiquitin-conjugating enzyme E2T overexpression in human breast cancer cells. Cancer Res. 2009;69:8752-60 pubmed publisher..Our data imply a critical role of UBE2T in development and/or progression of breast cancer through the interaction with and the regulation of the BRCA1/BARD1 complex. ..
- Hirabayashi Y, Suzki N, Tsuboi M, Endo T, Toyoda T, Shinga J, et al. Polycomb limits the neurogenic competence of neural precursor cells to promote astrogenic fate transition. Neuron. 2009;63:600-13 pubmed publisher..Moreover, PcG was found to repress the promoter of the proneural gene neurogenin1 in a developmental-stage-dependent manner. These results demonstrate a role of PcG: the temporal regulation of NPC fate. ..
- Yoshida Y, Tokunaga F, Chiba T, Iwai K, Tanaka K, Tai T. Fbs2 is a new member of the E3 ubiquitin ligase family that recognizes sugar chains. J Biol Chem. 2003;278:43877-84 pubmed..Thus, Fbs2 is a novel member of F-box protein family that recognizes N-glycans and plays a role in ERAD. ..
- Yogosawa S, Kawasaki M, Wakatsuki S, Kominami E, Shiba Y, Nakayama K, et al. Monoubiquitylation of GGA3 by hVPS18 regulates its ubiquitin-binding ability. Biochem Biophys Res Commun. 2006;350:82-90 pubmed..These results suggest that the ubiquitin binding and ubiquitylation of GGA3-GAT domain are mutually inseparable through a ubiquitin ligase activity of hVPS18. ..
- Asano Y, Ihn H, Yamane K, Kubo M, Tamaki K. Impaired Smad7-Smurf-mediated negative regulation of TGF-beta signaling in scleroderma fibroblasts. J Clin Invest. 2004;113:253-64 pubmed..To our knowledge, this is the first report of a disturbed negative regulation of TGF-beta signaling in fibrotic disorders. ..
- Fukunaga E, Inoue Y, Komiya S, Horiguchi K, Goto K, Saitoh M, et al. Smurf2 induces ubiquitin-dependent degradation of Smurf1 to prevent migration of breast cancer cells. J Biol Chem. 2008;283:35660-7 pubmed publisher..These results indicate that two related E3 ubiquitin ligases, Smurf1 and Smurf2, act in the same direction in TGF-beta family signaling but play opposite roles in cell migration. ..
- Tai T. Identification of N-glycan-binding proteins for E3 ubiquitin ligases. Methods Enzymol. 2006;415:20-30 pubmed
- Li Y, Tomiyama H, Sato K, Hatano Y, Yoshino H, Atsumi M, et al. Clinicogenetic study of PINK1 mutations in autosomal recessive early-onset parkinsonism. Neurology. 2005;64:1955-7 pubmed..Clinically, the patients with the deletion had dementia. Thus, early-onset PD with dementia may be considered PINK1-linked parkinsonism. Furthermore, patients with PINK1 mutations form 8.9% of parkin- and DJ-1-negative ARPD families. ..
- Motegi F, Nakano K, Mabuchi I. Molecular mechanism of myosin-II assembly at the division site in Schizosaccharomyces pombe. J Cell Sci. 2000;113 ( Pt 10):1813-25 pubmed..The Myo2dIQs could assemble into a normal-shaped ring in these cells. Therefore, its assembly at the division site does not require the function of either Cdc4 or Myo3. ..
- Tsuchiya H, Iseda T, Hino O. Identification of a novel protein (VBP-1) binding to the von Hippel-Lindau (VHL) tumor suppressor gene product. Cancer Res. 1996;56:2881-5 pubmed..However, when coexpressed with VHL, it can translocate to the nucleus. These results indicate that VBP-1 can form a complex with VHL protein in vivo and hence VHL affects the intracellular localization of VBP-1 protein. ..
- Lim M, Kawamura T, Ohsawa Y, Ohtsubo M, Asakawa S, Takayanagi A, et al. Parkin interacts with LIM Kinase 1 and reduces its cofilin-phosphorylation activity via ubiquitination. Exp Cell Res. 2007;313:2858-74 pubmed..These findings demonstrate a cell-type dependent functional interaction between parkin and LIMK1 and provide new evidence that links parkin and LIMK1 in the pathogenesis of familial PD. ..
- Tatsumi K, Sou Y, Tada N, Nakamura E, Iemura S, Natsume T, et al. A novel type of E3 ligase for the Ufm1 conjugation system. J Biol Chem. 2010;285:5417-27 pubmed publisher..Intriguingly, immunological analysis revealed localizations of Ufl1 and C20orf116 mainly to the endoplasmic reticulum. Our results provide novel insights into the Ufm1 system involved in cellular regulation of multicellular organisms. ..
- Matsumoto H, Sakamoto A, Fujiwara M, Yano Y, Shishido Hara Y, Fujioka Y, et al. Decreased expression of the thyroid-stimulating hormone receptor in poorly-differentiated carcinoma of the thyroid. Oncol Rep. 2008;19:1405-11 pubmed..In conclusion, we demonstrated that TSHR expression was decreased in PDCs despite conserved TTF-1 expression and that it correlated to the proliferative activity in PDCs...
- Urano T, Usui T, Takeda S, Ikeda K, Okada A, Ishida Y, et al. TRIM44 interacts with and stabilizes terf, a TRIM ubiquitin E3 ligase. Biochem Biophys Res Commun. 2009;383:263-8 pubmed publisher..Thus, we proposed that TRIM44 may function as a new class of the "USP-like-TRIM" which regulates the activity of associated TRIM proteins. ..
- Takahashi S, Araki Y, Ohya Y, Sakuno T, Hoshino S, Kontani K, et al. Upf1 potentially serves as a RING-related E3 ubiquitin ligase via its association with Upf3 in yeast. RNA. 2008;14:1950-8 pubmed publisher..These results suggest that Upf1 may serve as an E3 ubiquitin ligase upon its association with Upf3 and play an important role in signaling to the NMD pathway. ..
- Kitada T, Asakawa S, Minoshima S, Mizuno Y, Shimizu N. Molecular cloning, gene expression, and identification of a splicing variant of the mouse parkin gene. Mamm Genome. 2000;11:417-21 pubmed..These mouse parkin cDNA clones will be useful for elucidating the essential physiological function of parkin protein in mammals. ..
- Sekiguchi S, Takatori A, Negishi T, Kwon J, Kokubo T, Ishii Y, et al. Localization of ubiquitin carboxyl-terminal hydrolase-L1 in cynomolgus monkey placentas. Placenta. 2005;26:99-103 pubmed..This is the first report to demonstrate the presence of UCH-L1 in primate placenta, and the cynomolgus monkey may be a useful model for the study of the functions of the ubiquitin-proteasome system in human pregnancy. ..
- Kawajiri S, Saiki S, Sato S, Sato F, Hatano T, Eguchi H, et al. PINK1 is recruited to mitochondria with parkin and associates with LC3 in mitophagy. FEBS Lett. 2010;584:1073-9 pubmed publisher..This phenomenon is not observed in autophagy-deficient cells. These results suggest that mitophagy controlled by the PINK1/parkin pathway might be associated with PD pathogenesis. ..
- Asada M, Ohmi K, Delia D, Enosawa S, Suzuki S, Yuo A, et al. Brap2 functions as a cytoplasmic retention protein for p21 during monocyte differentiation. Mol Cell Biol. 2004;24:8236-43 pubmed..Our results underscore the role played by Brap2 in the process of cytoplasmic translocation of p21 during monocyte differentiation. ..
- Maruyama Y, Yamada M, Takahashi K, Yamada M. Ubiquitin ligase Kf-1 is involved in the endoplasmic reticulum-associated degradation pathway. Biochem Biophys Res Commun. 2008;374:737-41 pubmed publisher..Taken together, these properties suggest that Kf-1 is an ER ubiquitin ligase involved in the ERAD pathway. ..
- Oyama G, Yoshimi K, Natori S, Chikaoka Y, Ren Y, Funayama M, et al. Impaired in vivo dopamine release in parkin knockout mice. Brain Res. 2010;1352:214-22 pubmed publisher..Our results showed parkin deficiency may affect DA release in PKO mice, although it does not cause massive nigral degeneration or parkinsonian symptoms as in humans. ..
- Shimizu K, Tani M, Watanabe H, Nagamachi Y, Niinaka Y, Shiroishi T, et al. The autocrine motility factor receptor gene encodes a novel type of seven transmembrane protein. FEBS Lett. 1999;456:295-300 pubmed..11. Thus, AMFR is a highly conserved gene which encodes a novel type of seven transmembrane protein. ..
- Utsugi T, Hirata A, Sekiguchi Y, Sasaki T, Toh e A, Kikuchi Y. Yeast tom1 mutant exhibits pleiotropic defects in nuclear division, maintenance of nuclear structure and nucleocytoplasmic transport at high temperatures. Gene. 1999;234:285-95 pubmed..We discuss possible functions of Tom1 with respect to the pleiotropic defects of nuclear division, maintenance of nuclear structure, and nucleocytoplasmic transport. ..
- Komatsu M, Tanida I, Ueno T, Ohsumi M, Ohsumi Y, Kominami E. The C-terminal region of an Apg7p/Cvt2p is required for homodimerization and is essential for its E1 activity and E1-E2 complex formation. J Biol Chem. 2001;276:9846-54 pubmed..These results suggest that Apg7p forms a homodimer via the C-terminal region and that the C-terminal region is essential for both the activity of the E1 enzyme for Apg12p and Apg8p as well as the formation of an E1-E2 complex for Apg8p. ..