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Biomedical subjects

K Narui

Publications and source records attributed to K Narui.

25 records · Page 2Linked to original sources

[A case report of pleural involvement in primary macroglobulinemia].

A case of primary macroglobulinemia with pleural and gastric involvement was presented. A 48-year-old female was admitted with productive cough. On physical examination neither lymphoadenopathy nor hepatosplenomegaly were found. In addition, no bleeding tendency nor disturbance of the visual acuity were detected. Her chest roentgenogram showed a moderate amount of pleural effusion in the left pleural cavity without infiltration in the lung fields and no evidence of swollen hilar or mediastinal lymphnodes. A monoclonal M-band of to IgM-kappa type was observed in her serum and the pleural effusion. The diffuse ulcerative lesion in the gastric mucosa was detected by gastrofiberscopy. The lymphoid cells taken from the pleural effusion and the gastric mucosa stained positively with fluorescein-conjugated antiserum to u or the kappa chain. Pleural effusion and gastric infiltration of lymphoid cells improved remarkably following ACOP therapy.

Female↗

[A case report of Campylobacter fetus subspecies fetus bacteremia].

An unusual case of Campylobacter fetus subspecies fetus bacteremia was presented. A twenty four year old male was admitted to our hospital due to abdominal pain, general malaise, diarrhea, high fever, and hemoptysis. He was alcoholic and fond of eating raw liver. He had a history of partial gastrectomy and disturbance of pancreatic function. He showed pulmonary empyema, pleuritis, thrombophlebitis of lower legs, jaundice, hepatomegaly, diarrhea, pneumothorax, and low T3 low T4 syndrome. C. fetus subsp. fetus was detected from the venus blood and pleural effusion on admission. He was successfully treated by gentamicin, chloramphenicol, and minocycline. This is the fourth case of C. fetus subsp. fetus bacteremia in the Japanese literature. This microanerophilic gram negative curved bacillus has been increasingly associated with human disease and relapsing in nature, so protracted antimicrobial therapy was recommended.

Adult↗

Repair deficiency, mutator activity, and thermal prophage inducibility in dna-8132 strains of Bacillus subtilis.

A ts mutation, dna-8132 (Hara and Yoshikawa, 1973), in the region of chromosome replication origin of Bacillus subtilis was found to cause pleiotropic effects at a permissive temperature (30 C). Strains carrying this mutation were lethan at 48 C but exhibited higher spontaneous mutation frequency and a lower capacity for repairing radiation damages at 30C. Introduction of the polA59 (Gass et al., 1971) mutation further enhanced the repair deficiency and the mutator activity. These results suggest that the dna-8132 gene product may be directly involved in chromosome replication and repair. SPO2 lysogens carrying this mutation produced mature phages upon a temperature shift from 30 to 48 C. Phage production at nonpermissive temperature suggests that there are few defects in the precursors of deoxyribonucleic acid synthesis in the mutant.

4-Nitroquinoline-1-oxide↗