abstract：:The bacterial cell wall muramyl dipeptides MDP and glucosaminyl-MDP (GMDP) are powerful immunostimulators but their binding target remains controversial. We previously reported expression cloning of GMDP-binding polypeptides and identification of Y-box protein 1 (YB-1) as their sole target. Here we show specific bindi...

journal_title：FEBS letters

authors： Laman AG,Lathe R,Savinov GV,Shepelyakovskaya AO,Boziev KhM,Baidakova LK,Chulin AN,Brovko FA,Svirshchevskaya EV,Kotelevtsev Y,Eliseeva IA,Guryanov SG,Lyabin DN,Ovchinnikov LP,Ivanov VT

更新日期：2015-07-08 00:00:00

abstract：:The enzymatic degradation of the closely related insoluble polysaccharides; cellulose (β(1-4)-linked glucose) by cellulases and chitin (β(1-4)-linked N-acetylglucosamine) by chitinases, is of large biological and economical importance. Processive enzymes with different inherent directionalities, i.e. attacking the pol...

journal_title：FEBS letters

authors： Hamre AG,Schaupp D,Eijsink VG,Sørlie M

更新日期：2015-07-08 00:00:00

abstract：:The role of the RNA-binding protein human antigen R (HuR) in hepatocarcinogenesis is still elusive. By employing short hairpin (sh)RNA-dependent knockdown approach, we demonstrate that lymphotoxin α (LTα) is a target of posttranscriptional gene regulation by HuR in hepatocellular carcinoma (HepG2) cells. Consequently,...

journal_title：FEBS letters

authors： Steinmeyer N,Doller A,Biyanee A,Brauss T,Schmid T,Pfeilschifter J,Eberhardt W

更新日期：2015-07-08 00:00:00

abstract：:WW domains harbor substrates containing proline-rich motifs, but the substrate specificity and binding mechanism remain elusive for those WW domains less amenable for structural studies, such as human WWP2 (hWWP2). Herein we have employed multiple techniques to investigate the second WW domain (WW2) in hWWP2. Our resu...

journal_title：FEBS letters

authors： Jiang J,Wang N,Jiang Y,Tan H,Zheng J,Chen G,Jia Z

更新日期：2015-07-08 00:00:00

abstract：:Circadian clocks are endogenous timing systems orchestrating the daily regulation of a huge variety of physiological, metabolic and behavioral processes. These clocks are important for health - in mammals, their disruption leads to a diverse number of pathologies. While genetic and biochemical approaches largely uncov...

journal_title：FEBS letters

authors： Wallach T,Kramer A

更新日期：2015-06-22 00:00:00

abstract：:Chronic pain and epilepsy together affect hundreds of millions of people worldwide. While traditional pharmacotherapy provides essential relief to the majority of patients, a large proportion remains resistant, and surgical intervention is only possible for a select few. As both disorders are characterised by neuronal...

journal_title：FEBS letters

authors： Snowball A,Schorge S

更新日期：2015-06-22 00:00:00

abstract：:Neurons grow during development and extend long axons to make contact with their targets with the help of an intrinsic program of axonal growth as well as a range of extrinsic cues and a permissive milieu. Injury events in adulthood induce some neuron types to revert to a regenerative state in the peripheral nervous s...

journal_title：FEBS letters

authors： Doron-Mandel E,Fainzilber M,Terenzio M

更新日期：2015-06-22 00:00:00

abstract：:Using rheumatoid arthritis (RA) and periodontitis mouse models, we demonstrate that RA and periodontitis share many pathological features, such as deregulated cytokine production, increased immune-cell infiltration, increased expression of Toll-like receptors (TLRs), and enhanced osteoclast activity and bone erosion. ...

journal_title：FEBS letters

authors： Hao L,Zhu G,Lu Y,Wang M,Jules J,Zhou X,Chen W

更新日期：2015-05-22 00:00:00

abstract：:The ubiquitin-editing enzyme A20 suppresses nuclear factor-κB (NF-κB) activation and tumor necrosis factor-α (TNF-α)-induced apoptosis in a deubiquitinating and ubiquitin ligase activity-dependent manner. Although recent studies revealed that A20 regulates NF-κB independently of its enzymatic activity through its seve...

journal_title：FEBS letters

authors： Yamaguchi N,Yamaguchi N

更新日期：2015-05-22 00:00:00

abstract：:Mesenchymal stem cell (MSC) transplantation is used for treatment of many diseases. The paracrine role of MSCs in tissue regeneration is attracting particular attention. We investigate the role of MSC exosomes in skeletal muscle regeneration. MSC exosomes promote myogenesis and angiogenesis in vitro, and muscle regene...

journal_title：FEBS letters

authors： Nakamura Y,Miyaki S,Ishitobi H,Matsuyama S,Nakasa T,Kamei N,Akimoto T,Higashi Y,Ochi M

更新日期：2015-05-08 00:00:00

abstract：:Human parainfluenza virus type 3 (hPIV3) recognizes both α2,3- and α2,6-linked sialic acids, whereas human parainfluenza virus type 1 (hPIV1) recognizes only α2,3-linked sialic acids. To identify amino acid residues that confer α2,6-linked sialic acid recognition of hPIV3, amino acid residues in or neighboring the sia...

journal_title：FEBS letters

authors： Fukushima K,Takahashi T,Ueyama H,Takaguchi M,Ito S,Oishi K,Minami A,Ishitsubo E,Tokiwa H,Takimoto T,Suzuki T

更新日期：2015-05-08 00:00:00

abstract：:PKD-mediated phosphorylation of class IIa HDACs frees the MEF2 transcription factor to activate genes that govern muscle differentiation and growth. Studies of the regulation and function of this signaling axis have involved MC1568 and Gö-6976, which are small molecule inhibitors of class IIa HDAC and PKD catalytic ac...

journal_title：FEBS letters

authors： Lemon DD,Harrison BC,Horn TR,Stratton MS,Ferguson BS,Wempe MF,McKinsey TA

更新日期：2015-04-28 00:00:00

abstract：:The glycogen branching enzyme from Vibrio vulnificus (VvGBE) transfers short side chains (DP 3-5) significantly greater than any other bacterial glycogen branching enzyme (GBE). To elucidate the role of the N-domain of VvGBE in the unique branching pattern, domain-truncated (N1 and N) and N1-domain-swapped (with VvGBE...

journal_title：FEBS letters

authors： Jo HJ,Park S,Jeong HG,Kim JW,Park JT

更新日期：2015-04-28 00:00:00

abstract：:Rho-associated kinase 2 (Rock2) is known to promote tumorigenesis in hepatocellular carcinoma (HCC). CCAAT/enhancer-binding protein delta (CEBPD) functions as a tumor suppressor. In this study, we found that the expression of Rock2 and CEBPD are inversely correlated. Knockdown of Rock2 increased CEBPD expression and i...

journal_title：FEBS letters

authors： Li M,Zhou W,Yuan R,Chen L,Liu T,Huang D,Hao L,Xie Y,Shao J

更新日期：2015-04-13 00:00:00

abstract：:Besides its canonical function of catalyzing the formation of telomeric repeats, many groups have recently reported non-canonical functions of hTERT in particular, and telomerase in general. Regulating transcription is the central basis of non-canonical functions of telomerase. However, unlike reverse transcriptase ac...

journal_title：FEBS letters

authors： Akıncılar SC,Low KC,Liu CY,Yan TD,Oji A,Ikawa M,Li S,Tergaonkar V

更新日期：2015-04-13 00:00:00

abstract：:The ubiquitin-like protein Urm1 from budding yeast and its E1-like activator Uba4 have dual roles in protein urmylation and tRNA thiolation pathways. To study whether these are conserved among eukaryotes, we used gene shuffles to replace the yeast proteins by their human counterparts, hURM1 and hUBA4/MOCS3. As judged ...

journal_title：FEBS letters

authors： Jüdes A,Ebert F,Bär C,Thüring KL,Harrer A,Klassen R,Helm M,Stark MJ,Schaffrath R

更新日期：2015-04-02 00:00:00

abstract：:A change in the conformational plasticity of α-Synuclein (α-Syn) is hypothesised to be a key step in the pathogenic mechanism of Parkinson's disease (PD). Here, we report the study of extracellular α-Syn interaction with whole cells and membranes isolated from the neuronal SH-SY5Y cells, exploiting NMR and CD spectros...

journal_title：FEBS letters

authors： Smaldone G,Diana D,Pollegioni L,Di Gaetano S,Fattorusso R,Pedone E

更新日期：2015-03-24 00:00:00

abstract：:The cyclic AMP phosphodiesterases type 4 (PDE4s) are expressed in a cell specific manner, with intracellular targeting directed by unique N-terminal anchor domains. All long form PDE4s are phosphorylated and activated by PKA phosphorylation within their upstream conserved region 1 (UCR1). Here, we identify and charact...

journal_title：FEBS letters

authors： Byrne AM,Elliott C,Hoffmann R,Baillie GS

更新日期：2015-03-12 00:00:00

abstract：:Human D-type prostanoid (DP) and E-type prostanoid 2 (EP2) receptors are regarded as the most closely related receptors among prostanoid receptors. Although these receptors are generated by tandem duplication, their physiological outputs often oppose one another. In the present study, we extracted mutations occurring ...

journal_title：FEBS letters

authors： Tanimoto J,Fujino H,Takahashi H,Murayama T

更新日期：2015-03-12 00:00:00

abstract：:In our study, transcriptome microarrays are used to identify differentially expressed miRNAs and mRNAs in cervical cancer specimens. We find that microRNA-145 (miR-145) expression is significantly decreased in cervical cancer tissues and cell lines, and is associated with advanced cancer stages, large tumor size and m...

journal_title：FEBS letters

authors： Ye C,Sun NX,Ma Y,Zhao Q,Zhang Q,Xu C,Wang SB,Sun SH,Wang F,Li W

更新日期：2015-03-12 00:00:00

abstract：:We identified a yeast mutant with temperature-sensitive growth defects that were rescued by VCP expression. The mutation occurred in GPI10, which encodes a mannosyl transferase for glycosylphosphatidylinositol anchor formation in the endoplasmic reticulum, and caused a Gly469Glu substitution in Gpi10. The mutant exhib...

journal_title：FEBS letters

authors： Ohnuma Y,Takata T,Kawawaki J,Yasuda K,Tanaka K,Kimura Y,Kakizuka A

更新日期：2015-02-27 00:00:00

abstract：:The interaction of Bordetella pertussis adenylate cyclase toxin (CyaA) with complement receptor 3 (CR3, CD11b/CD18) involves N-linked oligosaccharide chains. To investigate the relative importance of the individual N-glycans of CR3 for toxin activity, the asparagine residues of the consensus N-glycosylation sites of C...

journal_title：FEBS letters

authors： Hasan S,Osickova A,Bumba L,Novák P,Sebo P,Osicka R

更新日期：2015-01-30 00:00:00

abstract：:Formation of tubulin/Na(+),K(+)-ATPase (NKA) complex in erythrocytes of hypertensive subjects results in a 50% reduction in NKA activity. We demonstrate here that detyrosinated tubulin, which is increased in hypertensive erythrocytes membranes, enhances the inhibitory effect of acetylated tubulin on NKA activity. More...

journal_title：FEBS letters

authors： Amaiden MR,Santander VS,Monesterolo NE,Nigra AD,Rivelli JF,Campetelli AN,Pie J,Casale CH

更新日期：2015-01-30 00:00:00

abstract：:Even though the plant photoreceptors cryptochromes were discovered more than 20 years ago, the mechanism through which they transduce light signals to their partner molecules such as COP1 (Constitutive Photomorphogenic 1) or SPA1 (Suppressor of Phytochrome A) still remains to be established. We propose that a negative...

journal_title：FEBS letters

authors： Müller P,Bouly JP

更新日期：2015-01-16 00:00:00

abstract：:Lung surfactant secretion is a highly regulated process. Our previous studies have shown that VAMP-2 is essential for surfactant secretion. In the present study we investigated the role of miR-206 in surfactant secretion through VAMP-2. VAMP-2 was confirmed to be a target of miR-206 by 3'-untranslational region (3'-UT...

journal_title：FEBS letters

authors： Zhang H,Guo Y,Mishra A,Gou D,Chintagari NR,Liu L

更新日期：2015-01-02 00:00:00

abstract：:Lipid metabolism is extensively studied in Saccharomyces cerevisiae. Here, we report that revertant of glycogen synthase kinase mutation-1 (Rog1p) possesses monoacylglycerol (MAG) lipase activity in S. cerevisiae. The lipase activity of Rog1p was confirmed in two ways: through analysis of a strain with a double deleti...

journal_title：FEBS letters

authors： Vishnu Varthini L,Selvaraju K,Srinivasan M,Nachiappan V

更新日期：2015-01-02 00:00:00

abstract：:The accumulation of amyloid-beta (Aβ) and tau aggregates is a pathological hallmark of Alzheimer's disease. Both polypeptides form fibrillar deposits, but several lines of evidence indicate that Aβ and tau form toxic oligomeric aggregation intermediates. Depleting such structures could thus be a powerful therapeutic s...

journal_title：FEBS letters

authors： Wobst HJ,Sharma A,Diamond MI,Wanker EE,Bieschke J

更新日期：2015-01-02 00:00:00

abstract：:Human cystatin C (HCC) is a low molecular weight member of the cystatin family (type2). HCC consists of 120 amino acids. Normally it is an inhibitor of cysteine proteases, but in pathological conditions it forms amyloid fibrils in brain arteries of young adults. An 'aggregation-prone' pentapeptide ((47)LQVVR(51)) was ...

journal_title：FEBS letters

authors： Tsiolaki PL,Hamodrakas SJ,Iconomidou VA

更新日期：2015-01-02 00:00:00

abstract：:Understanding protein beta structures has been hindered by the challenge of designing small, well-folded β-sheet systems. A β-capping motif was previously designed to help solve this problem, but not without limitations, as the termini of this β-cap were not fully available for chain extension. Combining Coulombic sid...

journal_title：FEBS letters

authors： Anderson JM,Kier BL,Shcherbakov AA,Andersen NH

更新日期：2014-12-20 00:00:00

abstract：:We have previously reported that synthetic dsRNA can activate p21 expression by targeting the p21 promoter, thereby suppressing the proliferation of human bladder cancer cells. As complementarity between dsRNA and its target sequences is necessary for RNA activation, miRNAs may also trigger p21 expression through the ...

journal_title：FEBS letters

authors： Wang C,Chen Z,Ge Q,Hu J,Li F,Hu J,Xu H,Ye Z,Li LC

更新日期：2014-12-20 00:00:00

abstract：:Polyglutamine tract-binding protein 1 (PQBP1) is an intrinsically disordered protein abundantly expressed in the brain. Mutations in the PQBP1 gene are causative for X-linked mental retardation disorders. Here, we investigated the structure of the C-terminal segment within the context of full-length PQBP1. We produced...

journal_title：FEBS letters

authors： Nabeshima Y,Mizuguchi M,Kajiyama A,Okazawa H

更新日期：2014-12-20 00:00:00

abstract：:Accumulating evidence has indicated that microRNAs (miRNAs) act as critical epigenetic regulators in tumor carcinogenesis. Here, we report that miR-199a-3p was significantly upregulated in gastric cancer (GC) cell lines and tissues. Functional studies demonstrated that miR-199a-3p dramatically increased cell prolifera...

journal_title：FEBS letters

authors： Wang Z,Ma X,Cai Q,Wang X,Yu B,Cai Q,liu B,Zhu Z,Li C

更新日期：2014-11-28 00:00:00

abstract：:Ataxin-3, which is encoded by a gene that has been associated with Machado-Joseph disease, contains a catalytic N-terminal Josephin domain with deubiquitinase activity. Here, we show that the Josephin domain of ataxin 3 catalyzes endo-type cleavage of Lys48-linked polyubiquitin. Furthermore, NMR data obtained followin...

journal_title：FEBS letters

authors： Satoh T,Sumiyoshi A,Yagi-Utsumi M,Sakata E,Sasakawa H,Kurimoto E,Yamaguchi Y,Li W,Joazeiro CA,Hirokawa T,Kato K

更新日期：2014-11-28 00:00:00

abstract：:During mRNA decoding at the ribosome, deviations from stringent codon identity, or "mistranslation," are generally deleterious and infrequent. Observations of organisms that decode some codons ambiguously, and the discovery of a compensatory increase in mistranslation frequency to combat environmental stress have chan...

journal_title：FEBS letters

authors： Moghal A,Mohler K,Ibba M

更新日期：2014-11-28 00:00:00

abstract：:The human gut microbiota comprises approximately 100 trillion microbial cells and has a significant effect on many aspects of human physiology including metabolism, nutrient absorption and immune function. Disruption of this population has been implicated in many conditions and diseases, including examples such as obe...

journal_title：FEBS letters

authors： Walsh CJ,Guinane CM,O'Toole PW,Cotter PD

更新日期：2014-11-17 00:00:00

abstract：:The intestinal epithelium is equipped with sensing receptor mechanisms that interact with luminal microorganisms and nutrients to regulate barrier function and gut immune responses, thereby maintaining intestinal homeostasis. Herein, we clarify the role of the extracellular calcium-sensing receptor (CaSR) using intest...

journal_title：FEBS letters

authors： Cheng SX,Lightfoot YL,Yang T,Zadeh M,Tang L,Sahay B,Wang GP,Owen JL,Mohamadzadeh M

更新日期：2014-11-17 00:00:00

abstract：:Activity of tonoplast slow vacuolar (SV, or TPC1) channels has to be under a tight control, to avoid undesirable leak of cations stored in the vacuole. This is particularly important for salt-grown plants, to ensure efficient vacuolar Na(+) sequestration. In this study we show that choline, a cationic precursor of gly...

journal_title：FEBS letters

authors： Pottosin I,Bonales-Alatorre E,Shabala S

更新日期：2014-11-03 00:00:00

abstract：:The profiling of grapevine (Vitis vinifera L.) genes under water deficit was specifically targeted to sugar transporters. Leaf water status was characterized by physiological parameters and soluble sugars content. The expression analysis provided evidence that VvHT1 hexose transporter gene was strongly down-regulated ...

journal_title：FEBS letters

authors： Medici A,Laloi M,Atanassova R

更新日期：2014-11-03 00:00:00

abstract：:Mycobacterium avium subsp. hominissuis (MAH) is an environmental bacterium causing opportunistic infections. The objective of this study was to identify flexible genome regions in MAH isolated from different sources. By comparing five complete and draft MAH genomes we identified a genomic island conferring additional ...

journal_title：FEBS letters

authors： Lahiri A,Sanchini A,Semmler T,Schäfer H,Lewin A

更新日期：2014-11-03 00:00:00

abstract：:The Fanconi anemia (FA) pathway, of which the FANCD2 protein is a key component, plays crucial roles in the maintenance of hematopoietic stem cells and suppression of carcinogenesis. However, the function of FANCD2 remains unclear. Here, we report that FANCD2 is a novel and specific substrate of caspase 3. Cleavage of...

journal_title：FEBS letters

authors： Sakai W,Sugasawa K

更新日期：2014-10-16 00:00:00