Nucleoside diphosphate kinases (NDPKs) in animal development

Vellainé Takács, Krisztina and Vellai, Tibor and Farkas, Zsolt and Mehta, Anil (2015) Nucleoside diphosphate kinases (NDPKs) in animal development. CELLULAR AND MOLECULAR LIFE SCIENCES, 72 (8). pp. 1447-1462. ISSN 1420-682X

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Abstract

In textbooks of biochemistry, nucleoside diphosphate conversion to a triphosphate by nucleoside diphosphate 'kinases' (NDPKs, also named NME or NM23 proteins) merits a few lines of text. Yet this essential metabolic function, mediated by a multimeric phosphotransferase protein, has effects that lie beyond a simple housekeeping role. NDPKs attracted more attention when NM23-H1 was identified as the first metastasis suppressor gene. In this review, we examine these NDPK enzymes from a developmental perspective because of the tractable phenotypes found in simple animal models that point to common themes. The data suggest that NDPK enzymes control the availability of surface receptors to regulate cell-sensing cues during cell migration. NDPKs regulate different forms of membrane enclosure that engulf dying cells during development. We suggest that NDPK enzymes have been essential for the regulated uptake of objects such as bacteria or micronutrients, and this evolutionarily conserved endocytic function contributes to their activity towards the regulation of metastasis.

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