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Freeze inactivation of LDH, MDH, ADH, G-6-PDH, and PK and its prevention with additives such as sodium glutamate and albumin were studied. LDH, MDH, ADH, G-6-PDH, and PK, each lost their activity during frozen storage at -20 degrees C. The speed of the inactivation differed in each. The stability of the enzymes increased with the increase of the enzyme(More)
Prothrombin time (PT), activated partial thromboplastin time (APTT) and plasma procoagulant activities were studied in 38 children with nephrotic syndrome in the presence or absence of prednisolone therapy. PT was normal but APTT was prolonged during relapse in untreated patients. Increased factors V, VII, VIII, XI and XIII in both treated and untreated and(More)
1) Denaturation of carp actomyosin during storage at -20 degrees was studied with particular interest in the cryoprotective effect of sodium glutamate, the most cryoprotective of the compounds tested previously. 2) Storage with glutamate prevented the rapid decrease in solubility, viscosity, and ATPase (EC 3.6.1.3)activity of actomyosin during storage. (More)
A highly purified protein, named MPB70, was isolated from the culture filtrate of Mycobacterium bovis BCG. This protein accounted for more than 10% of the proteins secreted into the culture medium. MPB70 was purified by precipitation with ammonium sulfate, followed by treatment with diethylaminoethyl ion exchanger, with or without 3 M urea, and by gel(More)
The catalytic and folding properties of "DSL ribozyme" were investigated. This artificial ligase ribozyme was constructed by installing a catalytic unit to a designed self-folding RNA. The self-folding RNA was composed of three helices connected via two tertiary interactions that served as scaffolding in the molecular design. The present analysis revealed(More)
A highly purified tuberculin peptide, named TPH71U, was isolated from the heated culture filtrate of Mycobacterium tuberculosis strain H37Rv. This peptide was prepared by precipitation with ammonium sulfate and by treatment with diethylaminoethyl-Sephadex, Sephadex G-75, and preparative gel electrophoresis in the presence of a high concentration of urea.(More)
Mucosal epithelia of the human lower reproductive tract (vagina, cervix, and penile urethra) are exposed to sexually transmitted microbes, including Chlamydia trachomatis. The in vivo susceptibility of each tissue type to infection with C. trachomatis is quite distinct. CD1d is expressed on the surface of antigen-presenting cells, including mucosal(More)
PROBLEM Lysophosphatidic acid (LPA) is a bioactive lipid mediator and thought to play an important role in pregnancy. Plasma LPA is produced by autotaxin (ATX), and ATX activity in plasma increases during pregnancy paralleled with gestational weeks and decreases to near the non-pregnant level soon after delivery. However, the source of increased ATX during(More)
The antibacterial factor from the body surface of the African giant snail, Achatina fulica Férussac, was isolated by DEAE-Toyopearl 650M ion exchange chromatography. The isolated preparation exhibited highly positive antibacterial activity both for the Gram-positive bacteria, Bacillus subtilis and Staphylococcus aureus and for the Gram-negative bacteria,(More)