301
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Koyama M, Kameda T, Negoro T, Matsuzaki N, Ohashi K, Minagawa Y, Saji F, Tanizawa O. Low susceptibility of choriocarcinoma cell lines to lymphokine-activated killer (LAK) cells. NIHON SANKA FUJINKA GAKKAI ZASSHI 1986; 38:2091-2. [PMID: 3794458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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302
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Saji F, Ohashi K, Kameda T, Koyama M, Minagawa Y, Negoro T, Nakamuro K, Tanizawa O. An ELISA for antisperm antibodies. NIHON SANKA FUJINKA GAKKAI ZASSHI 1986; 38:1137-8. [PMID: 3746032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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303
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Yamamoto S, Yoshida M, Nakao H, Koyama M, Hashimoto Y, Shinoda S. Variations in cellular polyamine compositions and contents of Vibrio species during growth in media with various NaCl concentrations. Chem Pharm Bull (Tokyo) 1986; 34:3038-42. [PMID: 3769106 DOI: 10.1248/cpb.34.3038] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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304
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Yoshimoto Y, Koyama M, Irie M, Imai S, Hisa Y, Takemura T. [Obstetric factors associated with intracranial hemorrhage (ICH) in premature infants and antenatal prediction of ICH]. NIHON SANKA FUJINKA GAKKAI ZASSHI 1986; 38:485-92. [PMID: 3701140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Obstetric factors associated with intracranial hemorrhage (ICH) were evaluated in 98 inborn premature infants of less than 1,500 gm birth weight or less than 32 weeks of gestation. ICH was detected in 25 (25.5%) of these infants by ultrasound sonography and/or computed tomography. No association of obstetric factors such as maternal age, parity, gravidity, premature rupture of the membrane, toxemia, placenta previa, fetal position, mode of delivery or fetal sex with ICH was noted. But the ICH group showed a higher incidence of placental abruption, infarction, infection and incompetent cervix than the non-ICH group. In addition, gestational ages and birth weights were less in the ICH group than in the non-ICH group, although differences were not significant except for the group with incompetent cervix (p less than 0.05). However, Apgar scores and FHR scores according to Krebs et al. for the ICH group were significantly lower than those for the non-ICH group. The two groups were distinguished by multivariable discriminant analysis of FHR scores, birth weights and gestational ages (discriminant efficiency, 3.74: F-value, 20.6: true positive ratio, 81.3%). These results suggested that antenatal prediction of ICH in premature infants was possible, but further studies are needed to elucidate the reliability of its prediction.
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305
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Matsuo T, Date S, Tsuji T, Koyama M, Nakayama T, Koyama T, Matsuo N, Koide N. Immune complex containing herpesvirus antigen in a patient with acute retinal necrosis. Am J Ophthalmol 1986; 101:368-71. [PMID: 3006497 DOI: 10.1016/0002-9394(86)90833-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A 21-year-old man with acute retinal necrosis showed a marked increase in the convalescent titer to herpes simplex type 1 virus, especially in the aqueous humor obtained by anterior chamber paracentesis. Using an enzyme-linked immunosorbent assay, we tried to detect the herpesvirus antigen in the circulating immune complex obtained from this patient. The immune complex contained an antigen or antigens that reacted with antiherpes simplex type 1 antibody.
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306
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Matsuno K, Katabami F, Koyama M, Abe K, Kobayashi M, Sakurada K, Miyazaki T. [On the measurement of cytosolic free calcium ion concentration using a fluorescent probe, quin 2]. [RINSHO KETSUEKI] THE JAPANESE JOURNAL OF CLINICAL HEMATOLOGY 1986; 27:165-72. [PMID: 3723819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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307
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Sezaki M, Sasaki T, Nakazawa T, Takeda U, Iwata M, Watanabe T, Koyama M, Kai F, Shomura T, Kojima M. A new antibiotic SF-2370 produced by Actinomadura. J Antibiot (Tokyo) 1985; 38:1437-9. [PMID: 4066497 DOI: 10.7164/antibiotics.38.1437] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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308
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Sakurai H, Nishida M, Yoshimura T, Takada J, Koyama M. Partition of divalent and total manganese in organs and subcellular organelles of MnCl2-treated rats studied by ESR and neutron activation analysis. BIOCHIMICA ET BIOPHYSICA ACTA 1985; 841:208-14. [PMID: 2990573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The possibility that Mn2+ is converted to other valency states in vivo was examined by measuring the ratio of Mn2+, determined by ESR, to total manganese, determined by neutron activation analysis combined with chemical separation, in various organs of control rats and rats treated with MnCl2. In control rats, the total manganese content was high in the thyroid, hypophysis, adrenal, pancreas, liver and kidney, but the Mn2+ contents of these organs were low. In rats treated with Mn2+, the total manganese contents of all organs increased, but the Mn2+ contents still remained low. With regard to subcellular distribution, the total manganese content was high in the nuclear and mitochondrial fractions of the liver and kidney, and in the microsomal and supernatant fractions of the pancreas. The ratio of Mn2+ to total manganese was relatively high in the microsomes of the liver and kidney of control rats, and in the nuclear fraction of the pancreas of Mn2+-treated rats. Thus, the distribution and behavior of manganese in the pancreas were different from those in other organs. Purified liver nuclei and mitochondria were demonstrated to contain manganese, indicating that manganese is tightly bound in each cellular compartment.
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309
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Naruo K, Hinuma S, Kato K, Koyama M, Tada H, Shiho O, Tsukamoto K. Comparison of the biological properties of purified natural and recombinant human interleukin-2. Biochem Biophys Res Commun 1985; 128:257-64. [PMID: 3872661 DOI: 10.1016/0006-291x(85)91672-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
We compared the biological properties of the purified recombinant human IL-2 derived from E. coli with those of purified natural IL-2. Both had almost the same specific in vitro activities on a weight basis to support long-term proliferation of IL-2 dependent human peripheral blood lymphocytes, a mouse killer T cell line, and a mouse natural killer cell line; induce killer cells in normal mouse spleen cells; and induce antibody forming cells in nude mouse spleen cells. No differences in these biological activities were found between two forms of natural IL-2 that were separable by reverse phase high performance liquid chromatography.
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310
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Watanabe M, Saito I, Mitsuhashi S, Koyama M, Kawaguchi Y. [Clinical studies of intravenous drip infusion of micronomicin. 1. Pharmacokinetics (Part 2). Intravenous Micronomicin Research Group]. THE JAPANESE JOURNAL OF ANTIBIOTICS 1985; 38:1086-92. [PMID: 4032720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Following the previous report on pharmacokinetics of micronomicin (MCR) in healthy volunteers, pharmacokinetic studies were made again in patients with different degree of renal impairment, and a nomogram was obtained. MCR at a dose of 60 mg/time was given by 1-hour drip infusion to 14 inpatients who consented to receive MCR (age: 35 to 84 years, Ccr: 17.96 to 104.35 ml/min). The blood collection was performed in accordance with the schedule made upon the degree of renal impairment, and the serum concentration was determined by HPLC method. The results were analyzed by MULT program using two- or one-compartment open model. The serum concentration (Cmax) just after administration of MCR was 5.8 +/- 0.9 microgram/ml (mean +/- S.D.). The biological half-life was 1.81 to 12.35 hours. Taking the above results into consideration together with the previous ones of healthy males, the following correlation was obtained between the elimination constant (Kel or beta) and Ccr calculated from S-Cr.: Kel or beta = 0.0038 X Ccr - 0.0097. Further, no side effect was observed in these studies. Elimination of MCR from blood was dependent on renal function like other aminoglycosides, and so it was possible to estimate the elimination constant from Ccr. From these results, a nomogram for the optimum dosage regimen of MCR was obtained.
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311
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Kato K, Naruo K, Koyama M, Kawahara K, Hinuma S, Tada H, Sugino H, Tsukamoto K. Purification and partial sequence analysis of human interleukin-2 derived from peripheral blood leukocytes. Biochem Biophys Res Commun 1985; 127:182-90. [PMID: 3872125 DOI: 10.1016/s0006-291x(85)80142-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Human peripheral blood leukocyte-derived interleukin-2 (IL-2) was resolved by DEAE-cellulose column chromatography into three peaks of activity, IL-2A, B, and C, with isoelectric points of 7.2, 6.6, and 7.9, respectively. IL-2 A, B, and C were further purified by reverse phase high performance liquid chromatography and resolved into two apparently homogeneous peaks each with identical molecular weight: A-1 and A-2 (Mr17000); B-1 and B-2 (Mr17500); and C-1 and C-2 (Mr14400). The amino acid compositions and partial NH2-terminal amino acid sequences of these molecular species were consistent with those predicted from IL-2 cDNA sequences derived from Jurkat and peripheral blood leukocytes.
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312
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Sakurada K, Miyazaki T, Kimura K, Yamabe M, Katabami F, Koyama M, Uehara Y, Katoh N. Translocation of phospholipid-sensitive Ca2+-dependent protein kinase and its substrate, Mr 38,000 protein, in chronic myelocytic and acute myelocytic leukemias. Cancer Res 1985; 45:903-8. [PMID: 3155648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Phospholipid-sensitive Ca2+-dependent protein kinase (PL-Ca-PK) and its substrates were investigated in neutrophils from normal subjects and in chronic myelocytic and acute myelocytic leukemic cells from patients with or without treatment for leukemia. PL-Ca-PK and its substrates were found in total particulate fraction of normal neutrophils, but less in cytosol. In leukemic cells from chronic myelocytic leukemia patients without treatment, PL-Ca-PK and its substrate, Mr 38,000 protein, increased in cytosol but decreased in total particulate fraction as compared with normal neutrophils. In leukemic cells obtained from chronic myelocytic leukemia patients after treatment mainly with busulfan, PL-Ca-PK and Mr 38,000 protein were increased in total particulate fraction but decreased in cytosol. Using leukemic cells from acute myelocytic leukemia patients with or without treatment, similar results were obtained. The change of localization of PL-Ca-PK and Mr 38,000 protein in leukemic cells appeared to be correlated to the increase or decrease of the number of leukemic cells. These results suggested that PL-Ca-PK together with the substrate, Mr 38,000 protein, might be translocated from total particulate fraction to cytosol with the onset of leukemia, and from cytosol to total particulate fraction accompanying treatment for leukemia.
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313
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Ishimori Y, Yasuda T, Tsumita T, Notsuki M, Koyama M, Tadakuma T. Liposome immune lysis assay (LILA): a simple method to measure anti-protein antibody using protein antigen-bearing liposomes. J Immunol Methods 1984; 75:351-60. [PMID: 6549183 DOI: 10.1016/0022-1759(84)90119-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
A new simple immunoassay technique using immune lysis of liposomes was developed to measure antibody against protein antigens. Multilamellar liposomes were composed of dipalmitoylphosphatidylcholine, cholesterol and phosphatidylethanolamine substituted with the hetero-bifunctional cross-linking reagent N-hydroxysuccinimidyl 3-(2-pyridyldithio)propionate (SPDP). The protein antigen (human IgG) was coupled to these liposomes after treatment with SPDP and mild reduction. As a release marker, carboxyfluorescein (CF) was entrapped in the liposomes. The CF release was specific to anti-human IgG antibody and depended on the presence of complement. This technique could detect 10(-15) mol of anti-human IgG antibody or human IgG. The liposomes were stable over 8 months at 4 degrees C under nitrogen gas.
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314
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Koyama M. [Division of work--its structure and dynamics. Report from clinical settings: at a hospital in New York]. [KANGO] JAPANESE JOURNAL OF NURSING 1984; 36:65-74. [PMID: 6571062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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315
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Oka M, Koyama M, Tojo K, Morohara M, Hasegawa M. [Nursing process: nursing of patients with skin cancer. Nursing of a patient with malignant melanoma who suspected the true nature of her illness]. KURINIKARU SUTADI = CLINICAL STUDY 1984; 5:1057-65. [PMID: 6567753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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316
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Oka M, Yokoyama R, Koyama M, Tojo K, Ishii S. [Nursing process: nursing of patients with skin cancer. Discussion: encouragement of the patient to express her anxiety]. KURINIKARU SUTADI = CLINICAL STUDY 1984; 5:1066-71. [PMID: 6567754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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317
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Inagaki N, Koyama M, Igaki H. Substituent effects of methoxy, methyl, and vinyl groups on glow discharge polymerization. ACTA ACUST UNITED AC 1984. [DOI: 10.1002/pol.1984.170220911] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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318
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Ito T, Ohba K, Koyama M, Sezaki M, Tohyama H, Shomura T, Fukuyasu H, Kazuno Y, Niwa T, Kojima M. A new antiviral antibiotic SF-2140 produced by Actinomadura. J Antibiot (Tokyo) 1984; 37:931-4. [PMID: 6090375 DOI: 10.7164/antibiotics.37.931] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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319
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Koyama M, Koyama C. [The maternal-child health center at Takeishi-mura, Nagano Prefecture]. JOSANPU ZASSHI = THE JAPANESE JOURNAL FOR MIDWIFE 1984; 38:386-91. [PMID: 6564200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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320
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Nakagawa K, Koyama M, Matsui H, Ikeda C, Yano K, Nakatsuru N, Yoshinaga K, Noguchi T. Pharmacokinetics of cefpiramide (SM-1652) in humans. Antimicrob Agents Chemother 1984; 25:221-5. [PMID: 6712202 PMCID: PMC185478 DOI: 10.1128/aac.25.2.221] [Citation(s) in RCA: 30] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
The pharmacokinetics of cefpiramide (SM-1652) were studied after the intravenous administration of single or multiple doses to 21 healthy volunteers. The cefpiramide concentration in plasma at time zero after a bolus intravenous injection of 500 or 1,000 mg was 152 or 303 micrograms/ml, respectively. The maximum cefpiramide level in plasma at the end of a 1-h infusion of 1,000 or 2,000 mg was 166 or 317 micrograms/ml, respectively. The mean plasma half-life of cefpiramide in 15 subjects who received a single dose of 500 or 1,000 mg was 4.44 h. There was no evidence of drug accumulation in plasma when 500 or 1,000 mg of cefpiramide was administered 11 times at 12-h intervals. Urinary excretion of cefpiramide over a 24-h period was ca. 22.5%, regardless of the intravenous administration technique and the dosage. Fecal recoveries of cefpiramide varied from 0 to 36.9% in different subjects.
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321
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Naruo K, Ichimori Y, Koyama M, Tsukamoto K. Correlation of interferon gamma inducing ability to sugar binding specificities of various lectins. JOURNAL OF INTERFERON RESEARCH 1984; 4:235-41. [PMID: 6431020 DOI: 10.1089/jir.1984.4.235] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Various lectins were examined to determine possible induction of gamma interferon (IFN-gamma) in human leukocytes. Among the seven positive lectins (Concanavalin A, pea lectin, lentil lectin, rice bran agglutinin, pokeweed mitogen, wheat germ agglutinin, phytohemagglutinin-P), six except rice bran agglutinin belonged to those which recognize carbohydrate chains connected to polypeptide through a glycosylamine linkage between N-acetylglucosamine (GlcNAc) and asparagine residues. The specificity of carbohydrate chain recognition of rice bran agglutinin, residual one positive lectin, has not been reported. Induction of IFN-gamma by wheat germ agglutinin, one of the positive lectins, was inhibited by the addition of GlcNAc during the induction, but not by the addition of glucose, galactose, alpha-methylmannose, N-acetylgalactosamine, N-acetylmannosamine, and lactose.
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322
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Nishizawa N, Kondo Y, Koyama M, Omoto S, Iwata M, Tsuruoka T, Inouye S. Studies on a new nucleoside antibiotic, dapiramicin. II Isolation, physico-chemical and biological characterization. J Antibiot (Tokyo) 1984; 37:1-5. [PMID: 6546562 DOI: 10.7164/antibiotics.37.1] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
New nucleoside antibiotics, dapiramicins A and B produced by a Micromonospora sp. SF-1917, have been isolated by column chromatography on Diaion HP-20 and silica gel. Physico-chemical properties suggested that they are disaccharide nucleosides. Dapiramicin A underwent epimerization, under acidic condition, into epidapiramicin A. Although dapiramicin A generally exhibits no in vitro activity, it is very effective against the sheath blight of rice plants caused by Rhizoctonia solani in a green house test.
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323
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Abstract
Pyrrolomycins C, D and E are new members of the pyrrolomycin group of antibiotics produced by an Actinosporangium sp. The structures of pyrrolomycins C and D were determined to be 2,3-dichloro-5-(3',5'-dichloro-2'-hydroxybenzoyl)pyrrole and 2,3,4-trichloro-5-(3',5'-dichloro-2'-hydroxybenzoyl)pyrrole, respectively, by means of spectroscopic and synthetic approaches while that of pyrrolomycin E was shown to be 5-chloro-2-(3',5'-dichloro-2'-hydroxyphenyl)-3-nitropyrrole by spectroscopic data.
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324
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Ezaki N, Koyama M, Kodama Y, Shomura T, Tashiro K, Tsuruoka T, Inouye S, Sakai S. Pyrrolomycins F1, F2a, F2b and F3, new metabolites produced by the addition of bromide to the fermentation. J Antibiot (Tokyo) 1983; 36:1431-8. [PMID: 6686223 DOI: 10.7164/antibiotics.36.1431] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
New antibiotics, pyrrolomycins F1, F2a, F2b and F3 were produced by Actinosporangium vitaminophilum sp. nov. when bromide ion was added to the fermentation medium. Addition of other halide ions such as chloride, iodide and fluoride ion showed no effect on pyrrolomycin production, affording polychlorinated pyrrolomycins A, B, C, D and E, but no F components. All four new antibiotics contain 2 approximately 4 mol of bromine, and their substitutional position was determined by X-ray analysis and synthesis, supported by spectroscopic analysis. They are strongly active against Gram-positive bacteria and fungi.
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325
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Watanabe M, Koyama M. [Clinical studies of intravenous drip infusion of micronomicin. 1. Absorption and excretion]. THE JAPANESE JOURNAL OF ANTIBIOTICS 1983; 36:3291-301. [PMID: 6674542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
UNLABELLED Pharmacokinetics of MCR administered by 1 hour intravenous drip infusion were studied in healthy volunteers by two-compartment model. In 120 mg-dosage group (n = 3) studies were made by single administration, and in 60 mg-dosage group (n = 4) were administered twice daily and continued until a total of 9 doses. RESULTS When MCR was administered in a 60 mg dosage, its Cmax was 4.3 +/- 0.3 micrograms/ml (mean +/- S.D.) after the 1st dose and 3.7 +/- 0.4 micrograms/ml after the 9th dose, while it was 8.8 +/- 1.0 micrograms/ml when the dosage was 120 mg. It should be noted that in the case of repeated dosing with 60 mg, serum levels just before administration were always below the analytical limit. The mean of T 1/2 was 1.69 +/- 0.14 hours, remaining stable at all determination. The kinetic parameters that showed different values between determinations performed after the 1st and 9th 60 mg doses were V1 (0.107 vs 0.164 L/kg) and Kel (1.02 vs 0.68 hr-1). This was also the case with comparison of 2 different dosage groups (60 mg 1st vs 120 mg; V1: 0.107 vs 0.135 L/kg, Kel: 1.02 vs 0.72 hr-1). There was no evidence indicative of side effect of MCR. DISCUSSION The above results demonstrated that Cmax and other kinetic parameters were little influenced by whether MCR was administered by intravenous drip infusion or by intramuscular injection. There was a little larger difference in AUC between those 2 routes of administration but the differences seemed negligible when the same dosage was used. Pharmacokinetic studies are to be continued in subjects whose renal function is impaired in different ways to establish the optimum dosage regimen for MCR.
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