Study on hyperbaric oxygen-induced convulsion with particular reference to gamma-aminobutyric acid in synaptosomes.

abstract：:Human neutrophil elastase was purified to homogeneity as two isozymes named E1 and E2. The isozymes degraded Type IV collagen, laminin, fibronectin, and heparan sulfate proteoglycan similarly to each other. The degradation of such basement membrane components by elastase may assist the extravasation of neutrophils in ...

journal_title：Journal of biochemistry

authors： Watanabe H,Hattori S,Katsuda S,Nakanishi I,Nagai Y

更新日期：1990-11-01 00:00:00

abstract：:Tetrahydrobiopterin (BH(4)) acts as a cofactor of the aromatic amino-acid hydroxylases, and its deficiency may result in hyperphenylalaninemia (HPA) and decreased production of the neurotransmitters. BH(4) is synthesized by sepiapterin reductase (SPR) from 6-pyruvoyl-tetrahydropterin (PPH(4)). A patient with SPR defic...

journal_title：Journal of biochemistry

authors： Hirakawa H,Sawada H,Yamahama Y,Takikawa S,Shintaku H,Hara A,Mase K,Kondo T,Iino T

更新日期：2009-07-01 00:00:00

abstract：:Three monoclonal antibodies (MAbs1A2, 3C5, and 4C2) for human aldolase A [EC 4.1.2.13] were established. MAbs1A2, 3C5, and 4C2 were shown to belong to subclasses IgM, IgG1, and IgG2a, respectively. None of the MAbs inhibits aldolase A activity. Their epitopes were mapped in detail on the molecule by examining the reac...

journal_title：Journal of biochemistry

authors： Kitajima Y,Matsuhashi S,Nishida H,Takasaki Y,Takahashi I,Hisatsugu T,Hori K

更新日期：1991-04-01 00:00:00

abstract：:A gene for a methionine aminopeptidase (MAP; EC 3.4.11.18), which catalyzes the removal of amino-terminal methionine from the growing peptide chain on the ribosome, has been cloned from the hyperthermophilic Archaeon, Pyrococcus furiosus, by a novel method effectively using its cosmid protein library, sequenced and ex...

journal_title：Journal of biochemistry

authors： Tsunasawa S,Izu Y,Miyagi M,Kato I

更新日期：1997-10-01 00:00:00

abstract：:We have recently shown that furin, a mammalian homologue of the yeast precursor-processing endoprotease Kex2, is involved in precursor cleavage at sites marked by the Arg-X-Lys/Arg-Arg motif within the constitutive secretory pathway. In this study, we analyzed molecular and enzymatic properties of furin expressed in C...

journal_title：Journal of biochemistry

authors： Hatsuzawa K,Murakami K,Nakayama K

更新日期：1992-03-01 00:00:00

abstract：:Rhodopsin from the bovine rod outer segment contains a covalently linked carbohydrate moiety (Heller, J. & Lawrence, M.A. (1973) Biochemistry 9, 864--868). We studied the location of this carbohydrate moiety on the disk membrane by using ferritin-conjugated concanavalin A and concanavalin A labelled with fluorescein i...

journal_title：Journal of biochemistry

authors： Nakano T,Ikai A,Nishigai M,Noda H

更新日期：1979-05-01 00:00:00

abstract：:D-type cyclin-dependent kinases (Cdk4 and Cdk6) regulate the G1 to S phase progression of the mammalian cell cycle. It has been suggested that Cdk4 and Cdk6 may have distinct functions in vivo, even though they are indistinguishable biochemically. Here we show that although these Cdks phosphorylate multiple residues i...

journal_title：Journal of biochemistry

authors： Takaki T,Fukasawa K,Suzuki-Takahashi I,Semba K,Kitagawa M,Taya Y,Hirai H

更新日期：2005-03-01 00:00:00

abstract：:The acceptor specificity of the transglycosylation reaction of cyclodextrin glycosyltransferase[EC 2.4.1.19] was investigated using various sugars and sugar alcohols. L-Sorbose, D-xylose, and D-galactose, which contain configurational or structural changes relative to the D-glucopyranose unit at positions other than p...

journal_title：Journal of biochemistry

authors： Kitahata S,Okada S

更新日期：1976-03-01 00:00:00

abstract：:Rat platelets released phospholipase A2 and lysophospholipase upon activation with thrombin or ADP. The release of phospholipases was energy-dependent and was not in parallel with that of a known lysosomal marker enzyme, N-acetyl-beta-D-glucosaminidase. The phospholipases are derived from other granules (dense granule...

journal_title：Journal of biochemistry

authors： Horigome K,Hayakawa M,Inoue K,Nojima S

更新日期：1987-01-01 00:00:00

abstract：:Serum at 5 to 10% is required for maintenance of functional adult rat hepatocytes in primary culture. One effect of the serum is to induce attachment and spreading of hepatocytes on plates as monolayers. Another role is to maintain cell viability for over 2 days. For the first effect, serum could be replaced completel...

journal_title：Journal of biochemistry

authors： Horiuti Y,Nakamura T,Ichihara A

更新日期：1982-12-01 00:00:00

abstract：:OsCnfU-1A is a chloroplast-type Nfu-like protein that consists of tandem repeats sharing high sequence homology. Domain I of this protein, but not domain II, has a C-X-X-C motif that is thought to assemble an iron-sulphur cluster. Herein we report the solution structure of OsCnfU-1A domain I (73-153). Although OsCnfU-...

journal_title：Journal of biochemistry

authors： Saio T,Kumeta H,Ogura K,Yokochi M,Asayama M,Katoh S,Katoh E,Teshima K,Inagaki F

更新日期：2007-07-01 00:00:00

abstract：:Here we report the enzymatic and ligand-binding properties of a major secretory protein in the choroid plexus of cane toad, Bufo marinus, whose protein is homologous with lipocalin-type prostaglandin (PG) D synthase (L-PGDS) and is recombinantly expressed in Xenopus A6 cells and Escherichia coli. The toad protein boun...

journal_title：Journal of biochemistry

authors： Irikura D,Inui T,Beuckmann CT,Aritake K,Schreiber G,Miyano M,Inoue T,Urade Y

更新日期：2007-02-01 00:00:00

abstract：:Studies with crude preparations obtained from a cysteine auxotroph of Saccharomyces cerevisiae showed that O-acetylserine sulfhydrylase could be separated from O-acetylhomoserine sulfhydrylase by chromatography on a DEAE-cellulose column and centrifugation in a sucrose density gradient. On the basis of sedimentation d...

journal_title：Journal of biochemistry

authors： Yamagata S

更新日期：1980-11-01 00:00:00

abstract：:Human platelet membrane glycoproteins IIb (GPIIb) and IIIa (GPIIIa), which have been proposed to be subunits of a receptor for fibrinogen, were purified from Triton X-100-solubilized platelet membranes by affinity chromatography on a concanavalin A (Con A)-Sepharose column followed by preparative sodium dodecyl sulfat...

journal_title：Journal of biochemistry

authors： Tsuji T,Osawa T

更新日期：1986-11-01 00:00:00

abstract：:The direct ion-dipolar interactions between potassium ion (K(+)) and the two hydroxyl groups of the substrate are the most striking feature of the crystal structure of coenzyme B(12)-dependent diol dehydratase. We carried out density-functional-theory computations to determine whether K(+) can assist the 1,2-shift of ...

journal_title：Journal of biochemistry

authors： Toraya T,Yoshizawa K,Eda M,Yamabe T

更新日期：1999-10-01 00:00:00

abstract：:The heavy enzyme of gramicidin S synthetase was purified to an almost homogeneous state by a combination of ammonium sulfate fractionation, ornithine-Sepharose 4B chromatography, DEAE-cellulose chromatography, and Ultrogel AcA 22 chromatography. The enzyme was proved to be essentially homogeneous by ultracentrifugatio...

journal_title：Journal of biochemistry

authors： Hori K,Kurotsu T,Kanda M,Miura S,Nozoe A,Saito Y

更新日期：1978-08-01 00:00:00

abstract：:A cyclodextrin glucanotransferase (CGTase) from Bacillus clarkii 7364 converts starch into gamma-cyclodextrin (gamma-CD) with high specificity. Comparison of the deduced amino acid sequence of this CGTase with those of other typical CGTases revealed that several amino acids are deleted or substituted with others at se...

journal_title：Journal of biochemistry

authors： Nakagawa Y,Takada M,Ogawa K,Hatada Y,Horikoshi K

更新日期：2006-09-01 00:00:00

abstract：:Angiogenesis, a formation of neovessels, is regulated by the local balance between angiogenesis stimulators and inhibitors. A number of such endogenous regulators of angiogenesis have been found in the body. Recently, vasohibin-1 (VASH1) was isolated as a negative feedback regulator of angiogenesis produced by endothe...

journal_title：Journal of biochemistry

authors： Sato Y

更新日期：2013-01-01 00:00:00

abstract：:The gizzard tropomyosin molecule is composed of two subunits at 1:1 molar ratio. Possible composites of the tropomyosin molecule are two kinds of homodimer (one for each subunit), a heterodimer of two subunits, or a mixture of heterodimer and homodimer(s). We tried to evaluate the native subunit composition of gizzard...

journal_title：Journal of biochemistry

authors： Nakamura S,Sakurai T,Nonomura Y

更新日期：1991-05-01 00:00:00

abstract：:A method for preparation of pyridylamino (PA-) derivatives of O-linked sugar chains from glycoproteins was developed. A glycopeptide containing O-linked Gal beta 1-3GalNAc was prepared from fetuin and treated with anhydrous hydrazine followed by N-acetylation of free amino groups. Sugar chains released were pyridylami...

journal_title：Journal of biochemistry

authors： Kuraya N,Hase S

更新日期：1992-07-01 00:00:00

abstract：:The circadian change of gluconeogenesis in the liver in vivo in fed rats was studied. Gluconeogenesis in the liver in vivo was determined by measuring the rate of synthesis of 14C-labeled blood glucose derived from a 14C-labeled substrate, such as lactate, pyruvate or an amino acid injected into nephrectomized rats. G...

journal_title：Journal of biochemistry

authors： Kida K,Nishio T,Yokozawa T,Nagai K,Matsuda H,Nakagawa H

更新日期：1980-10-01 00:00:00

abstract：:We examined the effects of growth factors on intracellular free Mg2+ concentrations ([Mg2+]i) in single Swiss 3T3 fibroblasts, using microfluorometry of a Mg(2+)-sensitive dye mag-fura-2. We had already noted an increase in [Mg2+]i after exposure to bombesin for 30-60 min [Ishijima, S., Sonoda, T., & Tatibana, M. (199...

journal_title：Journal of biochemistry

authors： Ishijima S,Tatibana M

更新日期：1994-04-01 00:00:00

abstract：:Undecaprenyl diphosphate synthase catalyzes the sequential condensation of eight molecules of isopentenyl diphosphate (IPP) in the cis-configuration into farnesyl diphosphate (FPP) to produce undecaprenyl diphosphate (UPP), which is indispensable for the biosynthesis of the bacterial cell wall. This cis-type prenyltra...

journal_title：Journal of biochemistry

authors： Kharel Y,Zhang YW,Fujihashi M,Miki K,Koyama T

更新日期：2003-12-01 00:00:00

abstract：:Myosin forms stable ternary complexes with ADP and phosphate analogues of fluorometals that mimic different ATPase reaction intermediates corresponding to each step of the cross-bridge cycle. In the present study, we monitored the formation of ternary complexes of myosin.ADP.fluorometal using the fluorescence probe pr...

journal_title：Journal of biochemistry

authors： Maruta S,Uyehara Y,Aihara T,Katayama E

更新日期：2004-07-01 00:00:00

abstract：:Ovomucoid-trypsin association complex was prepared by incubating chicken egg white ovomucoid with bovine trypsin. The reactivity of ovomucoid-trypsin complex was investigated by immunodiffusion, quantitative precipitation and enzyme-linked immunosorbent assay (ELISA). It was demonstrated that the association of trypsi...

journal_title：Journal of biochemistry

authors： Matsuda T,Watanabe K,Nakamura R

更新日期：1983-07-01 00:00:00

abstract：:Thermal denaturation of cytochromes c of horse, cow, and Candida krusei in aqueous guanidine hydrochloride in the neutral pH region was studied by means of absorption and optical rotation measurements. The values of standard free energy change upon denaturation were estimated over the temperature range from 3 to 51 de...

journal_title：Journal of biochemistry

authors： Kawaguchi H,Noda H

更新日期：1977-05-01 00:00:00

abstract：:Interleukin-1 (IL-1) is produced and released by various cells, including activated macrophages, and plays important roles in inflammation as well as immune responses. Since the precursor of IL-1 has no signal peptide, the mechanism of IL-1 release has been an enigma. To investigate the possibility of direct interacti...

journal_title：Journal of biochemistry

authors： Oku N,Saito N,Okada S,Watanabe N,Kobayashi Y

更新日期：1995-10-01 00:00:00

abstract：:Effects of anion transport inhibitors on hemolysis of human erythrocytes at 200 mPa were examined. The degree of hemolysis was decreased by treating intact cells with 4,4'-diisothiocyanostilbene-2,2'-disulfonate (DIDS), 4,4'-dinitrostilbene-2,2'-disulfonate and pyridoxal 5'-phosphate (PLP) had little effect on the hem...

journal_title：Journal of biochemistry

authors： Yamaguchi T,Matsumoto M,Kimoto E

更新日期：1995-10-01 00:00:00

abstract：:The complete amino acid sequence of an active fragment of potato proteinase inhibitor IIa has been established by the Edman degradation procedure and the carboxypeptidase technique. Sequence analyses were carried out on the reduced and carboxymethylated active fragment and its tryptic peptides. To aid in the alignment...

journal_title：Journal of biochemistry

authors： Iwasaki T,Kiyohara T,Yoshikawa M

更新日期：1976-02-01 00:00:00

abstract：:The effects of N,N'-dicyclohexylcarbodiimide (DCCD) on light-induced H+-transport and transmembrane electric potential (delta phi) formation were studied in the membrane vesicles of Halobacterium halobium R1M1. In accordance with our previous finding of the existence of two DCCD-binding components in vesicle membrane ...

journal_title：Journal of biochemistry

authors： Murakami N,Konishi T

更新日期：1985-10-01 00:00:00