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RANTES (regulated on activation normal T cell expressed and secreted) is one of the natural ligands for the chemokine receptor CCR5 and potently suppresses in vitro replication of the R5 strains of HIV-1, which use CCR5 as a coreceptor. Previous studies showed that peripheral blood mononuclear cells or CD4(+) lymphocytes obtained from different individuals(More)
We have analyzed the dynamics of the chaperonin (GroEL)-cochaperonin (GroES) interaction at the single-molecule level. In the presence of ATP and non-native protein, binding of GroES to the immobilized GroEL occurred at a rate that is consistent with bulk kinetics measurements. However, the release of GroES from GroEL occurred after a lag period ((More)
BACKGROUND Management of prostate cancer that has spread beyond the capsule is a difficult problem. Innovative and nontoxic approaches to the disease are urgently required. Recently, a commercially available herbal mixture called PC-SPES showed potent antitumor activities on a variety of malignant cells in vitro. METHODS PC-SPES was evaluated for its(More)
Heme oxygenase, an essential enzyme of heme catabolism, is inducible by its substrate heme, by heavy metals, and by various other substances. To study the molecular mechanisms of the induction of heme oxygenase, we isolated the heme oxygenase gene from a rat genomic DNA library using cloned cDNA as hybridization probes and determined its complete nucleotide(More)
The gene encoding D-lactate dehydrogenase (D-lactate: NAD+ oxidoreductase, EC of Lactobacillus plantarum has been sequenced, and expressed in Escherichia coli cells with an inducible expression plasmid, in which the 5'-noncoding region of the gene was replaced with the tac promoter. Comparison of the sequence of D-lactate dehydrogenase with(More)
To determine the seroprevalence of human herpesvirus 8 (HHV8) among human immunodeficiency virus 1 (HIV-1)-positive (HIV-1+) and HIV-1-negative (HIV-1-) populations in Japan, 276 HIV-1+ patients and 1,000 HIV-1- blood donors were enrolled in this study. Antibodies against HHV8 latency-associated nuclear antigen (LANA) were examined through indirect(More)
A polymerase chain reaction (PCR) method was developed for the rapid detection of the beer-spoilage heterofermentative lactic acid bacterium Lactobacillus lindneri. Three strains, the Chinese brewery isolate DA1, the Japanese commercial beer isolate BG2, and the Japanese brewery isolate SE3, which were serologically classified as belonging to L. lindneri,(More)
In order to improve the disappointing prognosis of adult patients with acute lymphoblastic leukemia (ALL), we applied similar induction therapy as that used for acute myeloid leukemia (AML), ie frequent administration of doxorubicin (DOX). DOX 30 mg/m(2) was administered from days 1 to 3 and from days 8 to 10 together with vincristine, prednisolone,(More)
We recently reported that cellobiose 2-epimerase from Ruminococcus albus effectively converted lactose to epilactose. In this study, we examined the biological effects of epilactose on intestinal microbiota, bile acid metabolism, and postadministrative plasma glucose by animal tests. Dietary supplementation with epilactose or fructooligosaccharide (4.5%(More)
Cyclin-dependent kinases (CDKs), which play a key role in cell cycle control, are activated by the CDK-activating kinase (CAK), which activates cyclin-bound CDKs by phosphorylation at the specific threonine residue. Mammalian CAK contains three components: CDK7, cyclin H, and an assembly factor called MAT1. The CDK7-cyclin H-MAT1 complex is tightly(More)