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Human mitochondrial DNA was obtained from peripheral blood platelets donated by the members of several independent families. The samples were screened for nucleotide sequence polymorphisms between individuals within these families. In each family in which we were able to detect a distinctly different restriction endonuclease cleavage pattern between the(More)
The selective leukotriene (LT) antagonist FPL 55712 antagonized the contractile activity of synthetic LTD4 and E4 on guinea-pig trachea. Schild analysis of the antagonism provided evidence for two distinct receptors for LTD4: one with significantly higher affinity for FPL 55712 than the other. LTE4 appears to interact preferentially with the high affinity(More)
ICI 200,880 and its close structural analog, ICI 200,355, are representatives of a new chemical class of inhibitors of human neutrophil elastase (HNE). Both compounds are substituted tripeptide ketones, which demonstrated competitive kinetics versus HNE, with identical Ki values of 5.0 x 10(-10) M. The selectivity of ICI 200,880 for HNE versus a variety of(More)
We have successfully used a DNA.cDNA molecular hybridization assay to directly determine the presence or absence of human beta globin gene sequences in 20 human-mouse somatic cell hybrids, each of which contained a different subset of human chromosomes. The assay is specific for the individual human globin genes and will detect the presence of a globin gene(More)
Ad.CMV-CD is a replication incompetent adenoviral vector carrying a cytomegalovirus (CMV)-driven transcription unit of the cytosine deaminase (CD) gene. The CD transcription unit in this vector catalyzes the deamination of the nontoxic pro-drug, 5-fluorocytosine (5-FC), thus converting it to the cytotoxic drug 5-fluorouracil (5-FU). This adenoviral vector(More)