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The prevalence of homozygous hereditary hemochromatosis (HHC) is estimated at 1:250 in Caucasian adults. Little is known about ethnic subpopulations that might be at increased risk for this disease. HLA data have suggested a Celtic origin for HHC. Screening for HHC was offered to all employees of the Massachusetts Polaroid Corporation. Participants with a(More)
Serologic tests for antineutrophil antibodies were used to determine if autoantibodies cause neutropenia. The serums of five patients with idiopathic neutropeniaopsonized normal neutrophils, causing them to be ingested by rabbit macrophages or else to activate glucose oxidation rates of other normal neutrophils by at least twice the rate of controls. Some(More)
In this study, we have examined the cellular and biochemical activities of the ceramide analog (1S,2R)-D-erythro-2-(N-myristoylamino)-1-phenyl-1-propanol (D-erythro-MAPP). Addition of 5 microM D-e-MAPP to HL-60 human promyelocytic leukemia cells resulted in a concentration- and time-dependent growth suppression accompanied by an arrest in the G0/G1 phase of(More)