abstract：:Mitogenicity and the production of tumor necrosis factor (TNF) by a chemically synthesized lipotetrapeptide analog (KAB-8), S-[2,3-bis(palmitoyloxy)-2R-propyl]-N-[(2,2,2)-trichloro- ethoxycarbonyl: Troc group]-(R)-cysteinyl-(S)-seryl-(S)-seryl-(S)-asparagine, the amino acid sequence of which corresponds to that of the...

journal_title：Biological & pharmaceutical bulletin

authors： Shimizu T,Iwamoto Y,Yanagihara Y,Kurimura M,Achiwa K

更新日期：1994-07-01 00:00:00

abstract：:The lactose transport system of Citrobacter freundii was characterized. Both the lactose transport system and beta-galactosidase were induced with either lactose or isopropyl-beta-D-thiogalactopyranoside (IPTG), the latter being the better inducer. The Km values for methyl-beta-D-thiogalactopyranoside (TMG) transport ...

journal_title：Biological & pharmaceutical bulletin

authors： Okazaki N,Tsuda M,Wilson TH,Tsuchiya T

更新日期：1994-06-01 00:00:00

abstract：:Hydroxylysylpyridinoline (HP), an intermolecular cross-linking amino acid, is present only in bone and cartilage collagen. We examined urinary HP levels in order to assess bone collagen metabolism using HPLC. Urinary HP excretion levels (nmol/mmol creatinine) of healthy control groups gradually increased with aging. U...

journal_title：Biological & pharmaceutical bulletin

authors： Yoshihara K,Nemoto S,Nagata M

更新日期：1994-06-01 00:00:00

abstract：:To explore the mechanism responsible for puromycin aminonucleoside induced-nephrotoxicity, metal content was preliminarily investigated in the kidneys of rats that had received a single subcutaneous injection of the agent (80 mg/kg body weight). In the group that received this agent, the renal content of Fe rose on da...

journal_title：Biological & pharmaceutical bulletin

authors： Fukata M,Hayashi T,Terui J,Sudo J

更新日期：1994-06-01 00:00:00

abstract：:We have studied lysosomal proteases capable of degrading a major form of cytochrome P450 (CYP2B1) which was purified from the liver microsomes of phenobarbital-treated rats. After incubation of CYP2B1 with extracts of triton-filled lysosomes (tritosomes), its proteolysis was measured by a quantitative immunoblot proce...

journal_title：Biological & pharmaceutical bulletin

authors： Tsuji H,Akasaki K

更新日期：1994-05-01 00:00:00

abstract：:The effect of carboxamidemethylated Fc fragment (CM-Fc) from human immunoglobulin G (IgG) on type II collagen (C II)-induced arthritis (CIA) in DBA/1J mice was studied. CM-Fc suppressed the development of CIA while Fc fragment did not. CM-Fc inhibited the increase in serum anti-C II IgG. CM-Fc suppressed C II-induced ...

journal_title：Biological & pharmaceutical bulletin

authors： Mimura T,Itoh M,Gohgi H,Suzuki N,Takeuchi K,Tsujikawa K,Kohama Y

更新日期：1994-05-01 00:00:00

abstract：:To search for possible anti-tumor-promoters, we carried out a primary screening of 21 cucurbitane triterpenoids using an in vitro assay system. Of these triterpenoids, scandenoside R6 (6), 23,24-dihydrocucurbitacin F (14), 25-acetyl-23,24-dihydrocucurbitacin F (15), 2-O-beta-D-glucopyranosyl-23,24-dihydrocucurbitacin ...

journal_title：Biological & pharmaceutical bulletin

authors： Konoshima T,Takasaki M,Tatsumoto T,Kozuka M,Kasai R,Tanaka O,Nie RL,Tokuda H,Nishino H,Iwashima A

更新日期：1994-05-01 00:00:00

abstract：:The inhibitory effect of clindamycin on beta-lactamase biosynthesis was investigated in beta-lactam resistant bacteria with inducible and/or constitutive production of the enzyme(s). Clinical isolates of Enterobacter cloacae (E. cloacae) and Pseudomonas aeruginosa (P. aeruginosa) were examined. Three strains of each, ...

journal_title：Biological & pharmaceutical bulletin

authors： Nishihata T,Kunieda S,Nakahama C,Soejima R

更新日期：1994-05-01 00:00:00

abstract：:The performance of milk fat-globule membrane (MFGM) emulsion as an oral dosage form was evaluated in rats using [14C]alpha-linolenic acid as a lipophilic model solute. For emulsions prepared by homogenization alone, the area under the plasma concentration versus time curve (AUC) after oral administration tended to be ...

journal_title：Biological & pharmaceutical bulletin

authors： Yuasa H,Sekiya M,Ozeki S,Watanabe J

更新日期：1994-05-01 00:00:00

abstract：:Among the calcium-binding proteins from chicken gizzard smooth muscle, smooth muscle calcium-binding protein 11 (SMCaBP 11), which is an EF-hand type calcium-binding protein, can prevent Ca2+ dependent histamine release from permeabilized rat peritoneal mast cells. This activity appears to be specific since other calc...

journal_title：Biological & pharmaceutical bulletin

authors： Fujii T,Kuzumaki N,Ogoma Y,Kondo Y

更新日期：1994-05-01 00:00:00

abstract：:To elucidate insecticidal activity of spider toxins, metal ions in venoms and in the bodies were determined by thin layer chromatography, spark source mass spectrometry, ion chromatography, inductively coupled plasma emission spectrometry and atomic absorption spectrometry. Two kinds of spiders were used, Nephila clav...

journal_title：Biological & pharmaceutical bulletin

authors： Yoshioka M,Narai N,Shinkai A,Tokuda T,Saito K,Shioya M,Tokoro N,Kono Y

更新日期：1994-04-01 00:00:00

abstract：:We investigated the possible protective effects of benidipine (Coniel), a calcium antagonist, on mechanical dysfunction, metabolic damage and changes in vascular reactivity during ischemia and reperfusion in the Langendorff-perfused rat heart. The responses of perfusion pressure to U-46619, a vasoconstrictor, and acet...

journal_title：Biological & pharmaceutical bulletin

authors： Yao K,Karasawa A

更新日期：1994-04-01 00:00:00

abstract：:The reaction of malondialdehyde (MDA) with alpha-N-acetyl-histidine (Ac-His) in the presence of alkanal was investigated. MDA alone did not react with Ac-His but when alkanal was present, a reaction took place. A similar result was obtained for the reaction of MDA with imidazole in the presence of alkanal. In addition...

journal_title：Biological & pharmaceutical bulletin

authors： Ohya T

更新日期：1994-04-01 00:00:00

abstract：:The degradation of 125I-endothelin-1 (125I-ET-1) was examined on cultured porcine aortic endothelial cell (EC) and rat vascular smooth muscle cell (SMC) by HPLC analysis. The degradation of ET-1 was observed on SMC and was slightly observed on EC. Membrane fractions of SMC had a strong potency for the degradation of E...

journal_title：Biological & pharmaceutical bulletin

authors： Edano T,Arai K,Koshi T,Torii T,Ohshima T,Hirata M,Ohkuchi M,Okabe T

更新日期：1994-03-01 00:00:00

abstract：:The number of alkalotolerant intestinal bacteria was 1% of the total flora in humans and 0.8% of those in rats. The beta-glucosidase and beta-glucuronidase activity of these intestinal bacteria was induced by elevating the pH of the medium, but the growth was not changed. The enzyme activity in a medium of pH 7 was 5-...

journal_title：Biological & pharmaceutical bulletin

authors： Kim DH,Kang HJ,Park SH,Kobashi K

更新日期：1994-03-01 00:00:00

abstract：:The inducibility of chromosomal aberration was studied using five mammalian topoisomerase inhibitors in Chinese hamster lung fibroblastic cells (CHL) in two protocols involving 6 and 24 h treatment, with respect to the mechanism of chromosomal aberration. In the 6 h treatment plus 18 h recovery culture (6 h treatment)...

journal_title：Biological & pharmaceutical bulletin

authors： Suzuki H,Nakane S

更新日期：1994-02-01 00:00:00

abstract：:Rectal absorption of ozagrel (a selective thromboxane synthetase inhibitor) from suppositories was studied in rabbits. Two kinds of suppositories were prepared, one was from ozagrel powder (OPS, ozagrel powder suppository), and the other from ozagrel tablet (OTS, ozagrel tablet suppository). Ozagrel from OPS was absor...

journal_title：Biological & pharmaceutical bulletin

authors： Zheng NX,Adachi I,Horikoshi I,Kanamoto I

更新日期：1994-02-01 00:00:00

abstract：:The prostacyclin I1 (PGI1) analogue, SM-10906 and its methyl ester, SM-10902, have been compared with the PGI2 analogue, iloprost, with respect to binding to the PGI2 receptor, stimulation of adenylate cyclase activity and inhibition of thrombin-induced Ca2+ mobilization in mastocytoma P-815 cells. SM-10906 displaced ...

journal_title：Biological & pharmaceutical bulletin

authors： Oka M,Negishi M,Yamamoto T,Satoh K,Hirohashi T,Ichikawa A

更新日期：1994-01-01 00:00:00

abstract：:Previous studies show that the combined method using thrombolytic drugs and ultrasonic irradiation enhances the effect of thrombolysis in in vitro and in vivo experiments. However, the mechanism of the clot lysis was unclear. In previous studies the evaluation of the clot lysis effect was determined by the rate of dec...

journal_title：Biological & pharmaceutical bulletin

authors： Kimura M,Iijima S,Kobayashi K,Furuhata H

更新日期：1994-01-01 00:00:00

abstract：:2-Thiophenecarboxylic acid (I) exhibited growth-inhibitory activity in five kinds of plants. In particular, I strongly inhibited the growth of the roots of Lactuca sativa L. var. longifolia LAM and Echinochloa utilis OHWI et YABUNO, even at the low concentration of 5.0 x 10(-3) M. Furthermore, all of the I-related com...

journal_title：Biological & pharmaceutical bulletin

authors： Inamori Y,Muro C,Funakoshi Y,Usami Y,Tsujibo H,Numata A

更新日期：1994-01-01 00:00:00

abstract：:Nitrogen oxide, which is produced by activated macrophages, has been demonstrated to possess anti-tumor activity. We report herein the synergistic effect of sodium nitrite (NO2-) and/or sodium nitroprusside (SNP) on lysophospholipid (LysoPL)-mediated cytolysis. The incubation of 51Cr-labeled mouse melanoma (B16) cells...

journal_title：Biological & pharmaceutical bulletin

authors： Kanematsu M,Takagi K,Suketa Y

更新日期：1994-01-01 00:00:00

abstract：:Effects of ecabet sodium (TA-2711), a locally acting antiulcer agent, on prostanoid production and the morphology of the rat gastrointestinal mucosa were studied in comparison with sucralfate. Ecabet, at therapeutic doses (25 and 100 mg/kg, p.o.), dose-dependently increased the gastric mucosal level of prostaglandin E...

journal_title：Biological & pharmaceutical bulletin

authors： Kinoshita M,Iwasaki H,Yasoshima A,Tamaki H

更新日期：1993-12-01 00:00:00

abstract：:A plasmid, pEP2104 (23.9 kilobase pairs), from Staphylococcus aureus carries a gene that specifies inducible resistance to 14-membered (erythromycin, EM, and oleandomycin, OL) and 16-membered macrolide (mycinamicin I and II), but not to all of the latter, and to streptogramin type B antibiotics (partial macrolide- and...

journal_title：Biological & pharmaceutical bulletin

authors： Matsuoka M,Jánosi L,Endou K,Saitoh S,Hashimoto H,Nakajima Y

更新日期：1993-12-01 00:00:00

abstract：:Two acidic polysaccharides, called ginsenan S-IA and ginsenan S-IIA, were isolated from the root of Panax ginseng C. A. Meyer. They were homogeneous on electrophoresis and gel chromatography, and their molecular masses were estimated to be 5.6 x 10(4) and 1.0 x 10(5), respectively. Ginsenan S-IA is composed of L-arabi...

journal_title：Biological & pharmaceutical bulletin

authors： Tomoda M,Hirabayashi K,Shimizu N,Gonda R,Ohara N,Takada K

更新日期：1993-11-01 00:00:00

abstract：:We examine the pharmacokinetic profile of cyclosporin A (CyA) after intravenous administration to rats prepared as models of various disease states found in patients who receive organ transplantations. After intravenous bolus administration to normal rats, the total blood clearance (CLt) of CyA showed a dose-dependent...

journal_title：Biological & pharmaceutical bulletin

authors： Shibata N,Shimakawa H,Minouchi T,Yamaji A

更新日期：1993-11-01 00:00:00

abstract：:The effect of insulin administration on bone formation was investigated in the femoral diaphysis of rats with skeletal unloading. When the femoral-diaphyseal tissues from normal rats were cultured in the presence of insulin (10(-9) and 10(-8) M) for 48 h, the hormone produced a significant increase of alkaline phospha...

journal_title：Biological & pharmaceutical bulletin

authors： Yamaguchi M,Kishi S,Hoshi T

更新日期：1993-11-01 00:00:00

abstract：:Several Pt(IV) and Pt(II) complexes containing 1R,2R-cyclohexanediamine (1R,2R-dach) as a carrier ligand were synthesized. The cytotoxicities and the uptake of the platinum complexes by leukemia L1210 cells were compared in order to study the correlation between their structures and cytotoxicities. [Pt(II)Cl2(1R,2R-da...

journal_title：Biological & pharmaceutical bulletin

authors： Yamashita T,Hirose J,Noji M,Saito R,Tomida H,Kidani Y

更新日期：1993-10-01 00:00:00

abstract：:Two subclones (K562-L and -H) were previously isolated from K562 human leukemic cells according to hemoglobin production: K562-L was expressed in less than 5% and K562-H in more than 90% of dianisidine positive cells. 12-O-Tetradecanoylphorbol-13- acetate (TPA) suppressed the expression of the erythrocytic (glycophori...

journal_title：Biological & pharmaceutical bulletin

authors： Sasaki D,Kosunago S,Mikami T,Matsumoto T,Suzuki M

更新日期：1993-10-01 00:00:00

abstract：:We attempted to produce a model mouse with a liver injury resulting from an immunological mechanism in C57BL/6J mice, and the effect of hepatitis on the hepatic microsomal mixed-function oxidase system was studied. An experimental immunological liver injury model was caused by the intravenous injection of an anti-basi...

journal_title：Biological & pharmaceutical bulletin

authors： Ishikawa M,Takayanagi Y,Sasaki K

更新日期：1993-10-01 00:00:00

abstract：:We studied in vitro metabolites of 2,4,6,2',4',6'-hexachlorobiphenyl (HCB, IUPAC PCB No. 155) produced by liver microsomes of a phenobarbital (PB)-treated beagle dog. The major metabolites were 3-hydroxy-2,4,6,2',4',6'-HCB (M-1), 4-hydroxy-2,6,2',4',6'-pentachlorobiphenyl (PenCB, M-2) and 3,4-dihydroxy-2,6,2',4',6'-Pe...

journal_title：Biological & pharmaceutical bulletin

authors： Ariyoshi N,Yoshimura H,Oguri K

更新日期：1993-09-01 00:00:00

abstract：:Studies were performed to characterize the opioid receptors in guinea pig brain using the radiolabeled opioid antagonists, [3H]naloxone and [3H]diprenorphine and the kappa-agonist [3H]U-69593. The binding of [3H]U-69593 to guinea pig cerebellar membranes was reduced by NaCl, guanyl-5'yl-imidodiphosphate (GppNHp) and N...

journal_title：Biological & pharmaceutical bulletin

authors： Ishige K,Makimura M,Ito Y,Murakoshi Y

更新日期：1993-09-01 00:00:00

abstract：:A plasmid-cured strain of the marine Vibrio alginolyticus 138-2 retains a respiration-driven Na+ pump. Examinations of several strains of V. alginolyticus and V. parahaemolyticus revealed that these murine Vibrio always possessed the respiration-driven Na+ pump irrespective of the presence or absence of plasmids. Thes...

journal_title：Biological & pharmaceutical bulletin

authors： Nakamura T,Hayashi S,Yamanaka R,Hamashima H,Arai T,Unemoto T

更新日期：1993-08-01 00:00:00

abstract：:The present study describes the activity of Ca(2+)-ATPase in liver plasma membrane and cytosolic-free Ca2+ concentration ([Ca2+]i) in an individual vital cell in mouse liver 18 h after endotoxin administration. Ca(2+)-ATPase activity in liver plasma membrane in the poisoned mice was markedly decreased to 28% of that i...

journal_title：Biological & pharmaceutical bulletin

authors： Sakaguchi S,Tsutsumi E,Yokota K

更新日期：1993-08-01 00:00:00

abstract：:The convulsant interaction between enoxacin (ENX), a new quinolone antibacterial agent (NQ), and felbinac (FLB), a non-steroidal anti-inflammatory drug (NSAID), in vivo was reproduced as the change of GABA-induced current response in Xenopus oocytes injected with mouse brain mRNA. GABA (10 microM) response was inhibit...

journal_title：Biological & pharmaceutical bulletin

authors： Kawakami J,Shimokawa M,Yamamoto K,Sawada Y,Asanuma A,Yanagisawa K,Iga T

更新日期：1993-07-01 00:00:00

abstract：:Formulations consisting of egg albumin, indomethacin (IND), and olive oil or fatty acids, were prepared by vigorous stirring using a high-speed homogenizer and subsequent freeze-drying. To confirm the anti-inflammatory properties and ulcerogenic effects of the formulations, we examined the action of the formulations o...

journal_title：Biological & pharmaceutical bulletin

authors： Tsuji Y,Kakegawa H,Miyataka H,Matsumoto H,Satoh T

更新日期：1993-07-01 00:00:00

abstract：:We examined the effects of purified tannins and related compounds (33 species) on NADH-ubiquinone-1 oxidoreductase activity in four kinds of organism (Paracoccus denitrificans, Bacillus subtilis, Photobacterium phosphoreum, and Thermus thermophilus HB-8) and rat liver mitochondria. In addition to pentagalloylglucose, ...

journal_title：Biological & pharmaceutical bulletin

authors： Konishi K,Adachi H,Ishigaki N,Kanamura Y,Adachi I,Tanaka T,Nishioka I,Nonaka G,Horikoshi I

更新日期：1993-07-01 00:00:00

abstract：:In 3,4-methylenedioxyamphetamine (MDA)-treated rat brain and urine, 3-methyl-6,7-methylenedioxy-1,2,3,4-tetrahydroisoquinoline (3Me6,7MDTIQ) was detected as a new metabolite. The content of 3Me6,7MDTIQ in (R)-MDA-treated rat was significantly higher than that in (S)-MDA-treated brain and urine. This result suggests th...

journal_title：Biological & pharmaceutical bulletin

authors： Nakagawa H,Makino Y,Yoshida Y,Ohta S,Hirobe M

更新日期：1993-06-01 00:00:00

abstract：:A protein was purified from rabbit seminal plasma using preparative acrylamide disc electrophoresis, ammonium sulfate precipitation and gel filtration. The protein inhibited the in vitro fertilization of mouse ova inseminated with epididymal sperm and with capacitated sperm. The inhibition was not observed, however, w...

journal_title：Biological & pharmaceutical bulletin

authors： Okabe M,Kishi Y,Ying X,Kohama Y,Mimura T,Li SS

更新日期：1993-05-01 00:00:00

abstract：:The immunoreactivity (specific binding) of three Gly(A1)-sulfobenzoxadiazole-labeled insulins which have different spacer groups, Gly(A1)-[3-(4-sulfobenzoxadiazol-7-ylthio)propanoyl]-insulin , Gly(A1)-[2-(4-sulfobenzoxadiazol-7-ylthio)acetyl]-insulin, Gly(A1)-[3-carboxy-2(or 3)-(4-sulfobenzoxadiazol-7-ylthio)propanoyl...

journal_title：Biological & pharmaceutical bulletin

authors： Nanami M,Zaitsu K,Ohkura Y

更新日期：1993-05-01 00:00:00

abstract：:Dermatan sulfate-proteoglycans (DS-PGs) were extracted from rabbit, rat and bovine defatted livers by magnesium chloride extraction and DEAE-cellulose chromatography, and then submitted successively to Asahipak GS-520 gel filtration chromatography, Asahipak ES-502N anion exchange chromatography, and cellulose acetate ...

journal_title：Biological & pharmaceutical bulletin

authors： Koshiishi I,Motoki K,Qiu G,Imanari T

更新日期：1993-04-01 00:00:00