Abstract:
:Macroautophagy is a conserved degradative pathway and its deterioration is linked to disturbances in cellular proteostasis and multiple diseases. Here, we show that the RAB GTPase RAB18 modulates autophagy in primary human fibroblasts. The knockdown of RAB18 results in a decreased autophagic activity, while its overexpression enhances the degradative pathway. Importantly, this function of RAB18 is dependent on RAB3GAP1 and RAB3GAP2, which might act as RAB GEFs and stimulate the activity of the RAB GTPase. Moreover, the knockdown of RAB18 deteriorates proteostasis and results in the intracellular accumulation of ubiquitinated degradation-prone proteins. Thus, the RAB GTPase RAB18 is a positive modulator of autophagy and is relevant for the maintenance of cellular proteostasis.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Feldmann A,Bekbulat F,Huesmann H,Ulbrich S,Tatzelt J,Behl C,Kern Adoi
10.1016/j.bbrc.2017.03.112subject
Has Abstractpub_date
2017-05-06 00:00:00pages
738-743issue
3eissn
0006-291Xissn
1090-2104pii
S0006-291X(17)30579-Xjournal_volume
486pub_type
杂志文章abstract::The clottable protein (CP) was isolated from white shrimp, Penaeus vannamei plasma as a 400-kDa protein that splits to two identical 200-kDa subunits when it is reduced with 2-ME. However, using DTT as reducing agent, four main bands were observed; two of them (179 and 125 kDa) had the same N-terminus sequence of the ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.2001.5595
更新日期:2001-09-21 00:00:00
abstract::Kinetics of association--dissociation, competition and chromatography on two different resins, all revealed the presence of a new binding site which: specifically accepts 7-alpha-propyl spirolactone (3H-RU-26752), has little affinity for aldosterone, is present only in the target tissue (rat kidney), and is wanting in...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(86)90556-5
更新日期:1986-01-14 00:00:00
abstract::Recent findings have shown that SLIT2 appears to function as a novel tumor suppressor gene. In addition, hypermethylation of its promoter region has been detected in various cancers, including breast and lung cancer, colorectal carcinoma, and gliomas. Here, we report for the first time that there is epigenetic silenci...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2008.12.022
更新日期:2009-01-30 00:00:00
abstract::DJ-1, a product of the DJ-1/PARK7 gene, has been suggested to play various functions involved in transcriptional regulation, protease activity, anti-oxidative stress activity, and regulation of mitochondrial complex I. Such a variety of functions of DJ-1 are supposed to be realized through interactions with different ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2013.05.095
更新日期:2013-06-28 00:00:00
abstract::Proteins modified by oxidants are rapidly degraded by intracellular proteases. Oxidatively modified superoxide dismutase (Ox-SOD) was degraded 2-8 times faster at both acidic and alkaline pH than the native protein in bovine cardiac tissue extracts. At acidic pH, Ox-SOD hydrolysis was stimulated by ATP and by non-hydr...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1996.0236
更新日期:1996-02-15 00:00:00
abstract::Amphotericin B (AmB) is a potent antifungal agent used to treat patients with systemic mycoses. The cytotoxicity of AmB is related to its binding to membrane sterols and its clinical usefulness is based on its greater affinity to ergosterol, the fungal sterol, compared to the mammalian cell sterol, cholesterol (1-3). ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(88)90232-x
更新日期:1988-08-15 00:00:00
abstract::Branched-chain alpha-keto acid dehydrogenase (BCKDH) complex catalyzes the committed step of branched-chain amino acid catabolism, and its activity is regulated by the phosphorylation-dephosphorylation cycle. BCKDH kinase is responsible for inactivation of the complex by phosphorylation. In the present study, we exami...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.2001.5647
更新日期:2001-09-28 00:00:00
abstract::Cycloprodigiosin hydrochloride (cPrG.HCl), a member of the prodigiosin family, is a red pigment obtained from the marine bacterium Pseudoalteromonas denitrificans. cPrG.HCl markedly suppressed 3H-thymidine incorporation by concanavalin A stimulated murine splenocytes but had little effect on lipopolysaccharide depende...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1997.7186
更新日期:1997-08-28 00:00:00
abstract::An Aspergillus niger (ficuum) genomic DNA lambda EMBL3 library was probed with a 354-bp DNA fragment obtained by polymerase chain reaction of A. niger DNA with oligonucleotides based on partial amino acid sequence of a pH 2.5 optimum acid phosphatase. A clone containing a 1605 bp segment (phyB) encoding the 479 amino ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1993.2008
更新日期:1993-08-31 00:00:00
abstract::Prostaglandin E(2) (PGE(2)) has been shown to negatively regulate adipogenesis. To explore to what extent PGE(2) inhibits the differentiation of cells to adipocytes and to examine whether its effect could be due to EP4 receptor signaling, we used microarrays to analyze the gene expression profiles of 3T3-L1 cells expo...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2004.07.194
更新日期:2004-09-24 00:00:00
abstract::Calcitonin gene-related peptide (CGRP) in porcine ventricular muscles. positive inotropic effects in the isolated, electrically driven false tendon of the porcine heart. Specific CGRP-binding sites were present in solubilized membrane fractions; the dissociation constant (Kd) and the maximum binding (Bmax) were 50.4 p...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/s0006-291x(88)81082-9
更新日期:1988-08-30 00:00:00
abstract::The active centre of NADPH-cytochrome P-450 reductase contains the lysine residue essential for catalytic activity. Chemical modification of epsilon-amino group of this lysine residue is the subject of the present study. To modify the epsilon-amino group, we have employed the periodate-oxidized NADP+ and NAD+ (o-NAD(P...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/s0006-291x(88)80599-0
更新日期:1988-09-15 00:00:00
abstract::Anions of cytosine and thymine predominate in radiation-damaged DNA. This is in contrast to the experimental order of adiabatic electron affinities: A, 0.95; G, 1.51; >T, 0.79, U, 0.80; C, 0.56 (+/-0.05 eV). Excited negative-ion states of adenine (A) and guanine (G) are identified using semiempirical AM1-MCCI quantum ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.2001.6005
更新日期:2001-11-30 00:00:00
abstract::Monoclonal antibodies are valuable laboratory reagents and are increasingly being exploited as therapeutics to treat a range of diseases. Selecting new monoclonal antibodies that are validated to work in particular applications, despite the availability of several different techniques, can be resource intensive with u...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2013.12.033
更新日期:2014-03-21 00:00:00
abstract::ERK8 is the most recent addition for the MAPK family, and its mechanism of activation and function are not yet known, mainly due to the lack of any known physiological stimulator. In this report, we describe the preparation of reagents for the use of a novel method, the ligand interaction scan (LIScan), to study the f...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2010.07.029
更新日期:2010-08-13 00:00:00
abstract::Synthesis of ABCA1 protein in liver is necessary for high-density lipoproteins (HDL) formation in mammals. Nuclear receptor PPARγ is known as activator of ABCA1 expression, but details of PPARγ-mediated regulation of ABCA1 at both transcriptional and post-transcriptional levels in hepatocytes have not still been well ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2010.10.053
更新日期:2010-11-19 00:00:00
abstract::Autophagy plays a crucial role in a wide array of physiological processes. To uncover the complex regulatory networks and mechanisms underlying basal autophagy, we performed a quantitative proteomics analysis of autophagy-deficient mouse embryonic fibroblast cells (MEFs) using iTRAQ labeling coupled with on-line 2D LC...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2013.06.111
更新日期:2013-08-02 00:00:00
abstract::Isoliquiritigenin (ILTG) is a chalcone compound and has valuable pharmacological properties such as antioxidant, anti-inflammatory, anticancer, and antiallergic activities. Recently, the anxiolytic effect of ILTG has been reported; however, its action mechanism and hypnotic activity have not yet been demonstrated. The...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2011.09.026
更新日期:2011-10-07 00:00:00
abstract::C-terminal binding protein 2 (CtBP2) is a transcriptional co-repressor that regulates many genes involved in normal cellular events. Because CtBP2 overexpression has been implicated in various human cancers, its protein levels must be precisely regulated. Previously, we reported that CtBP1 and CtBP1-mediated transcrip...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2020.05.098
更新日期:2020-09-17 00:00:00
abstract::The retinoblastoma gene product (pRB) has been known to contain a sequence-nonspecific DNA binding activity. It is unknown whether pRB can recognize and bind to specific DNA sequences. We have recently identified a rat genomic DNA fragment, termed REC11, which can interact with rat Cdc37-related protein (RCdc37). In t...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1996.1339
更新日期:1996-09-04 00:00:00
abstract::Cereblon (CRBN) was originally identified as a target protein for a mild type of mental retardation in humans. However, recent studies showed that CRBN acts as a negative regulator of AMP-activated protein kinase (AMPK) by binding directly to the AMPK catalytic subunit. Because AMPK is implicated in myocardial ischemi...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2014.04.061
更新日期:2014-05-16 00:00:00
abstract::Maximal stimulation of inositol 1,4,5 trisphosphate (IP3) production by epinephrine and carbachol in rat parotid cell aggregates is additive when the two agents are employed simultaneously. The additive response proceeds through both the alpha 1-adrenergic and muscarinic-cholinergic signal transduction pathways. It is...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(91)90426-8
更新日期:1991-05-15 00:00:00
abstract::Our laboratory demonstrated that endoplasmic reticulum iPLA2 (ER-iPLA2) activity protects renal cells from oxidant-induced cell death and lipid peroxidation. The goals of this study were to determine the PLA2 isoform(s) responsible for ER-iPLA2 activity in different species and tissues. ER-iPLA2 activity was observed ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2004.12.016
更新日期:2005-02-04 00:00:00
abstract::We have found that atrial natriuretic factor (ANF) has a profound effect on testicular cells in altering intracellular cyclic nucleotide levels as well as progesterone secretion. Using clonal cultured Leydig tumor cells we found that 1 X 10(-8)M ANF caused a two thousand-fold elevation in the accumulation of cellular ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(85)90975-1
更新日期:1985-12-17 00:00:00
abstract::Voltage-dependent anion channel (VDAC) is a multi-functional channel protein in the mitochondrial outer membrane of all eukaryotes. It is involved in extensive physiological and pathophysiological processes. However there is only scant information about VDAC in mammalian reproduction, fertility and development in the ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章,评审
doi:10.1016/j.bbrc.2010.06.025
更新日期:2010-07-09 00:00:00
abstract::The context-dependent expression of genes is the core for biological activities, and significant attention has been given to identification of various factors contributing to gene expression at genomic scale. However, so far this type of analysis has been focused either on relation between mRNA expression and non-codi...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2006.03.124
更新日期:2006-05-26 00:00:00
abstract::We found new photochemical intermediate of third rhodopsin-like pigment (tR) or slow cycling rhodopsin-like pigment (sR) in Halobacterium halobium, which was produced by simultaneous illumination with red and blue light. This illumination is employed for measurements of negative phototaxis. The formation of this inter...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/s0006-291x(84)80231-4
更新日期:1984-09-28 00:00:00
abstract::1,25-Dihydroxyvitamin D(3) [1,25(OH)(2) D(3)] exerts its biological effects by binding to the vitamin D receptor (VDR), which binds in turn to the vitamin D response elements located in the target gene's promoter. We have previously demonstrated that VDR binds in vitro with high affinity to the 5'-flanking sequence of...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.2002.6641
更新日期:2002-03-22 00:00:00
abstract::Both the epidermal growth factor receptor (EGFR) and type 1 insulin-like growth factor receptor (IGF1R) require homo- and hetero-dimerisation with their own family members to acquire full function. We recently showed that IGF1R gene silencing led to EGFR hyper-phosphorylation in human breast cancer cells, and hypothes...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/j.bbrc.2007.02.012
更新日期:2007-04-13 00:00:00
abstract::Thrombin receptor-derived peptide SFLLRNP (one-letter amino acid code) which corresponds to the N-terminal heptapeptide of tethered ligand is able to activate thrombin receptor and to stimulate the phosphoinositide (PI) turnover. The replacement of Phe-2 by Ala eliminated this activity completely, showing the crucial ...
journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1993.1680
更新日期:1993-06-15 00:00:00