Abstract:
:UDP-N-acetylglucosaminyl transferase (OGT) resides in both cytosolic and nuclear compartments and catalyzes O-linked glycosylation of various proteins. In the current study, we have extracted protein from nuclear DNA (chromatin protein) using 0.2% NP-40 detergent. Addition of chromatin protein to either cytosolic or nuclear preparations (containing abundant OGT) resulted in a dose-dependent loss of OGT activity. Since chromatin-mediated loss of OGT activity could be restored by immunopurification of OGT, we conclude that loss of enzyme activity is not due to direct inactivation of OGT. Addition of UDP-galactose (to saturate potential UDP binding proteins) effectively restored OGT activity in cytosol containing chromatin protein. This indicates that chromatin protein inhibits OGT activity by binding UDP-GlcNAc. These studies suggest that nuclear substrate availability may comprise one of the in vivo mechanisms regulating OGT activity and O-linked glycosylation of nuclear proteins. This is potentially significant, since most transcription factors are O-linked glycosylated and such post-translational modifications can alter gene expression.
journal_name
Biol Pharm Bulljournal_title
Biological & pharmaceutical bulletinauthors
Okuyama R,Marshall Sdoi
10.1248/bpb.27.1293subject
Has Abstractpub_date
2004-08-01 00:00:00pages
1293-6issue
8eissn
0918-6158issn
1347-5215pii
JST.JSTAGE/bpb/27.1293journal_volume
27pub_type
杂志文章abstract::Salazosulfapyridine (SASP) is widely used orally and rectally in the treatment of ulcerative colitis. SASP is mainly metabolized by hydrolysis and the main active metabolite, 5-aminosalicylic acid (5-ASA), has an antiinflammatory effect. In the present study, we prepared suppositories containing 6.5 mmol of SASP and a...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.25.264
更新日期:2002-02-01 00:00:00
abstract::Polyethylenimine (PEI) is widely used for non-viral transfection in vitro and in vivo. Hepatectomy is an interesting and considerable factor modifying PEI-mediated gene expression. We investigated the gene expression in mice over time following partial hepatectomy after an intravenous injection of PEI/plasmid DNA (pDN...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.29.1712
更新日期:2006-08-01 00:00:00
abstract::The present paper proposes a new approach for fitting the plasma effect-site equilibrium rate constant (Ke0) of propofol to satisfy the condition that the effect-site concentration (Ce) is equal at the time of loss of consciousness (LOC) and recovery of consciousness (ROC). Forty patients receiving intravenous anesthe...
journal_title:Biological & pharmaceutical bulletin
pub_type: 临床试验,杂志文章
doi:10.1248/bpb.b12-01093
更新日期:2013-01-01 00:00:00
abstract::Ascorbic acid, present in plasma from humans at concentrations of 50 to 200 mumol/l, has multiple antioxidant properties. Structural modification of this vitamin by the introduction of lipophilic moieties has allowed to the development of ascorbate esters and ethers active as free radical quenchers. Thus, a new series...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.19.220
更新日期:1996-02-01 00:00:00
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journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.30.1438
更新日期:2007-08-01 00:00:00
abstract::Hepatoprotective effect of celosian, an acidic polysaccharide isolated from the water extract of the seed of Celosia argentea, was investigated using chemical and immunological liver injury models. Celosian inhibited the elevation of serum enzyme (GPT, GOT, LDH) and bilirubin levels on carbon tetrachloride (CC1(4))-in...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.19.567
更新日期:1996-04-01 00:00:00
abstract::Despite the relatively high prevalence of migraine or headache, the pathophysiological mechanisms triggering headache-associated peripheral hypersensitivities, are unknown. Since nitric oxide (NO) is well known as a causative factor in the pathogenesis of migraine or migraine-associated hypersensitivities, a mouse mod...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b17-00589
更新日期:2018-02-01 00:00:00
abstract::Methylmercury (MeHg) is a causative agent of Minamata disease and an environmental pollutant that comprises a large portion of organically occurring mercury. Many aspects of the biological defense mechanisms against MeHg toxicity remain unclear. Recently, nuclear factor-E2-related factor 2 (Nrf2), heat shock factor pr...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章,评审
doi:10.1248/bpb.b212019
更新日期:2012-01-01 00:00:00
abstract::The success of arsenic trioxide (ATO) in treatment of acute promyelocytic leukemia (APL) attracts a great deal of attention to researchers to explore its activity of anti-leukemia. However, ATO has unavailable effect on chronic myeloid leukemia (CML), especially multidrug resistant (MDR)-CML, unless using high concent...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b12-01015
更新日期:2013-01-01 00:00:00
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journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.24.892
更新日期:2001-08-01 00:00:00
abstract::Effects of selenium supplementation on atopic dermatitis (AD) were investigated by administering seleno-L-methionine (SeMet) using a mouse model of AD caused by repeated application of 2,4,6-trinitrochlorobenzene (TNCB). BALB/c mice were sensitized with TNCB to the abdomen on day -7; then, TNCB was applied repeatedly ...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b18-00349
更新日期:2018-01-01 00:00:00
abstract::Pentosidine, a fluorescent cross-linking compound, accumulates in extracellular matrix, especially in the collagen, and is formed by the nonenzymatic process of advanced Maillard reaction. We developed a method of determination of pentosidine and tried to examine its level in urine and serum of elder patients. The met...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.21.1005
更新日期:1998-10-01 00:00:00
abstract::Cilnidipine is a 1,4-dihydropyridine-derived voltage-dependent calcium channel (VDCC) blocker and suppresses N-type VDCC currents in addition to L-type VDCC currents. An earlier investigation has suggested that intrathecally injected cilnidipine produces antinociception by blocking N-type VDCCs in mice. The present st...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.32.1695
更新日期:2009-10-01 00:00:00
abstract::Orally disintegrating tablets (ODTs) are formulated to disintegrate upon contact with saliva, allowing administration without water. Olopatadine hydrochloride, a second-generation antihistamine, is widely used for treating allergic rhinitis. However, it has a bitter taste; therefore, the development of taste-masked ol...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b16-00828
更新日期:2017-01-01 00:00:00
abstract::Cationic lipid-mediated transfer of DNA is promising in gene therapy. However, one disadvantage with this approach is the induction of an inflammatory response, which may decrease transgene expression. Recently, we found that plasmid DNA containing N6-methyladenine (N6-MeA), a bacterium-specific modified base, induced...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.28.2019
更新日期:2005-10-01 00:00:00
abstract::Syncytiotrophoblasts play an essential role in restriction of drug delivery through the blood-placenta barrier (BPB). Conditionally immortalized syncytiotrophoblast cell lines, TR-TBTs, were established at gestational day 18 from pregnant transgenic rats (Tg-rats) harboring the temperature-sensitive SV 40 (ts SV40) la...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章,评审
doi:10.1248/bpb.27.753
更新日期:2004-06-01 00:00:00
abstract::To study the role of asarinin on collagen-induced arthritis (CIA) and its treatment mechanism on dendritic cells (DCs) and T cells. Before the onset of arthritis, asarinin were given orally to CIA mouse. Macroscopic scoring and micrometer caliper measurement were used to assess arthritis. The occurrence of cartilage d...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b19-00083
更新日期:2019-07-01 00:00:00
abstract::When normal rabbits were administered various samples of deep-sea water, their biochemical values changed within normal limits, and no differences from distilled water administration (control) group levels were observed. Furthermore, no histopathological changes were observed in internal organs on the 28th day after a...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.26.1552
更新日期:2003-11-01 00:00:00
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journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.25.1013
更新日期:2002-08-01 00:00:00
abstract::To develop a piroxicam-loaded gelatin microcapsule with enhanced bioavailability, a gelatin microcapsule encapsulated ethanol and piroxicam has been formulated by using gelatin as a water-soluble polymer shell. The aqueous solubility and bioavailability of piroxicam in piroxicam-loaded microcapsule in rats were then e...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.31.1284
更新日期:2008-06-01 00:00:00
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journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.31.1333
更新日期:2008-07-01 00:00:00
abstract::We performed experiments on the cis-inhibition and trans-stimulation effect on pirarubicin uptake in order to clarify the involvement of a carrier in the pirarubicin, daunorubicin and/or doxorubicin transport systems in rat polymorphonuclear leukocytes. The uptake of daunorubicin and doxorubicin was a saturable concen...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.17.1305
更新日期:1994-09-01 00:00:00
abstract::The present study investigated whether or not Sho-saiko-to (crude powder extract, TJ-9) can suppress nitric oxide (NO) generation by endotoxin-activated J774A.1 cells in order to study the preventive mechanism of Sho-saiko-to against endotoxemia. In this experiment, we estimated the NO2- in the murine macrophage cell ...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.18.621
更新日期:1995-04-01 00:00:00
abstract::The tissue distribution and disposition of carnitine, which plays an important role in the transport of long-chain fatty acids across the mitochondrial inner membrane for beta-oxidation, are well controlled by carnitine transporter organic cation/carnitine transporter 2 (OCTN2). Since little information is available o...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.31.1230
更新日期:2008-06-01 00:00:00
abstract::The effects of erythromycin, clarithromycin and rokitamycin on the metabolism of nifedipine were studied in vitro and in situ. Erythromycin, clarithromycin or rokitamycin added to nifedipine did not inhibit the formation of metabolite, M-1, of nifedipine, whereas pretreatment with erythromycin or clarithromycin signif...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.20.411
更新日期:1997-04-01 00:00:00
abstract::There exist limitations in the detection of exogenous oligosaccharides due to their polydisperse and diversiform nature, and particularly the interference of endogenous glycosaminoglycans (GAGs). Herein, a surface plasmon resonance (SPR) assay for detecting acidic oligosaccharide sugar chain (AOSC), an anti-Alzheimer'...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.29.60
更新日期:2006-01-01 00:00:00
abstract::CCl(4) (0.5 ml/kg as CCl(4)) was orally administered to rats. Twelve hours after administration of CCl(4), plasma alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels, indicators of liver necrosis, were significantly higher than those in the control group showing that active liver necrosis took p...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.33.707
更新日期:2010-01-01 00:00:00
abstract::A novel tricyclic 21-amino-acid peptide, FR901724, was isolated from the cultured broth of Streptomyces sp. No. 73264. This peptide appears to possess potent anti-human immunodeficiency virus (HIV) activity in vitro and might represent a lead to a new class of anti-HIV agents; it qualifies as an HIV-cell fusion inhibi...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.19.405
更新日期:1996-03-01 00:00:00
abstract::Plant phenolic compounds isolated from a 70% aqueous acetone extract of the leaves of Malus doumeri A. CHEV. var. formosana (KAWAK. & KOIDZ.) S. S. YING, a type of Taiwanese indigenous plant, were evaluated for potential application in the field of skin care. A phytochemical investigation of the active fractions resul...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.29.740
更新日期:2006-04-01 00:00:00
abstract::Pressure sensitive adhesives (PSA) tapes containing different concentrations of lidocaine were prepared by a general casting method using styrene-isoprene-styrene block copolymer, and the in vitro skin permeation of lidocaine from each tape was evaluated using diffusion cell and excised hairless rat skin. The skin per...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.17.1640
更新日期:1994-12-01 00:00:00