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Cell Signal. 1996 Mar;8(3):197-208.

Cellular signalling: the role of the peroxisome.

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1
Faculty of Science and Technology, Griffith University, Brisbane, Australia.

Abstract

This article reviews the role of the peroxisome in cellular signalling, with particular emphasis on the unique contributions of this organelle to the complex regulatory inter-relationships of cellular processes within the mammalian organism. Among the topics covered are the close alignments between the signalling systems governing peroxisome proliferation and those of the steroid hormone/thyroid hormone/vitamin D nuclear-receptor superfamily; the regulation of the permeability of the peroxisomal membrane; the involvements of lysophosphatidic acid as an intra- and inter-cellular messenger; the special role of the phosphatidylcholine cycle and its derivative messengers in relation to peroxisomal metabolism; peroxisomal contributions to the regulation of oxygen free radical levels in tissues and the significance of these radicals as second messengers; the evidence of peroxisomal influences on inter-cellular signalling from metabolic turnover studies; modifications of the regulatory significance of fatty acids by the peroxisome; the commonalities in metabolic relationships between the peroxisome and other cellular organelles; and regulatory shuttles associated with peroxisomal function. It is concluded that the peroxisome displays several significant interconnections with the cellular-signalling apparatus, that it is capable of imprinting a characteristic influence on the regulatory network in the cell, and that the contributions of this organelle deserve greater consideration in future investigations of cell-signalling phenomena.

PMID:
8736704
[Indexed for MEDLINE]

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