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H B HAMILTON

Publications and source records attributed to H B HAMILTON.

At least 19 recordsLinked to original sources
PubMed1962

Properties of acatalasic cells growing in vitro.

Acatalasia, a disease due to homozygosity for a Mendelian gene, is characterized by the absence of the enzyme catalase from the tissues of the human body. Red cells from heterozygotes have enzyme activities about one-half normal. In this paper, the development of cell lines from skin biopsies on an affected homozygote, a heterozygote, and eight control patients is described. The cell type is the euploid "fibroblast." It was found that acatalasic cells lacked the enzyme, even after growing for many months in a medium rich in catalase. The control lines all had mean catalase activities double or more that of the heterozygous line. Selection experiments, in which the growth of cells exposed for 20 minutes to varying concentrations of hydrogen peroxide was measured, did not provide a system for preferentially eliminating acatalasic cells. Certain other experiments bearing on the enzymatic defect in this disease were performed.

Acatalasia↗
PubMed1959

Carrier state in human acatalasemia.

The heterozygous carrier state of a rare hereditary disease, acatalasemia, has been defined biochemically. Affected homozygotes have no blood catalase activity, whereas heterozygotes show activities intermediate between this inactivity and the activity of normal controls, without overlap. Pedigrees show a high frequency of consanguineous marriages.

Acatalasia↗