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Twenty-four children receiving maintenance chemotherapy for acute lymphoblastic leukemia were given booster doses of tetanus-diphtheria combined toxoids. One month later, 19 of the 24 children were given Haemophilus influenzae B oligosaccharide-cross-reacting material conjugate vaccine. Following immunization, all patients had protective antibody titers(More)
Monoclonal antibodies that react with hematopoietic cells and their precursors in a stage and lineage restricted fashion were used in indirect immunofluorescence assays to examine leukemic cells from 105 pediatric age patients. The differentiative states of blasts from 42 patients with acute nonlymphocytic leukemia (ANLL) were defined by these antibodies.(More)
Filamentous fungi have long been used for the production of metabolites and enzymes. With developments in genetic engineering and molecular biology, filamentous fungi have also achieved increased attention as hosts for recombinant DNA. However, the production levels of non-fungal proteins are usually low. Despite the achievements obtained using molecular(More)
A recombinant Bacillus subtilis strain (ATCC 31784) haboring the plasmid pC194 with a thermostable alpha-amylase gene was cultured in a 22-l B. Braun Biostat C fermenter. Traditional batch operations suffer from low cell mass and protein productions because a high initial glucose concentration causes substrate inhibition and also product inhibition due to(More)
Active immunization against measles, Haemophilus influenza B, tetanus, diphtheria, hepatitis B, influenza, poliomyelitis, and, when indicated varicella and pneumococcus induces long-lasting immunologic protection in most healthy pediatric vaccine recipients. Among children receiving immunosuppressive therapy for cancer, possible early loss of specific(More)
The dependence of filamentous fungal protease secretion on morphology was investigated by employing the recombinant Aspergillus niger strain AB4.1[pgpdAGLAGFP] which contains a gene for the glucoamylase-GFP (green fluorescence protein) fusion protein. Different inoculum levels were used to obtain different sizes of pellet or free mycelia. The extracellular(More)
The production of colony-stimulating activity (CSA) by phytohemagglutinin (PHA)-stimulated peripheral blood mononuclear cells (PBMC) from patients receiving maintenance chemotherapy for acute lymphoblastic leukemia (ALL) was examined. Supernatants from only 14 of 22 patient PBMC cultures (64%), but all supernatants from normal PBMC cultures, supported(More)
We have previously shown that a bovine (b) GH antagonist, bGH-M8, which possesses three amino acid substitutions in its third alpha-helix, inhibits mouse 3T3-F442A preadipocyte differentiation. In the current studies, we used the bGH and human (h) GH analogs with single amino acid substitution, bGH-G119R and hGH-G120R, for determining their biological(More)