Matches in UGent Biblio for { ?s ?p Peroxisomal deficiency disorders, which are genetically transmitted, are assumed to be expressed in all cells, and the use of cultured skin fibroblasts for diagnosis and research is based on this assumption. We describe four unrelated patients, three boys and a girl, with clinical, biochemical and microscopic evidence of a peroxisomal disorder whose livers display mosaicism, that is, parenchymal cells with peroxisomes are adjacent to cells without peroxisomes. After discussing the possible origin of these mosaics, we examine the influence of the environment on the expression of peroxisomes in adult rat hepatocytes in primary monolayer and three-dimensional culture. In this model the expression of peroxisomes varies between cells and depends upon the culture conditions.. }
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- aggregation abstract "Peroxisomal deficiency disorders, which are genetically transmitted, are assumed to be expressed in all cells, and the use of cultured skin fibroblasts for diagnosis and research is based on this assumption. We describe four unrelated patients, three boys and a girl, with clinical, biochemical and microscopic evidence of a peroxisomal disorder whose livers display mosaicism, that is, parenchymal cells with peroxisomes are adjacent to cells without peroxisomes. After discussing the possible origin of these mosaics, we examine the influence of the environment on the expression of peroxisomes in adult rat hepatocytes in primary monolayer and three-dimensional culture. In this model the expression of peroxisomes varies between cells and depends upon the culture conditions.".