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Localizing PRL-2 expression and determining the effects of dietary Mg(2+) on expression levels #MMPMID27015884
Gungabeesoon J; Tremblay ML; Uetani N
Histochem Cell Biol 2016[Jul]; 146 (1): 99-111 PMID27015884show ga
The phosphatase of regenerating liver (PRL) is a group of protein tyrosine phosphatases that play a key role in cancer progression and metastasis. We previously showed that PRL-2 modulates intracellular Mg(2+) levels and sustains cancer phenotypes by binding to the Mg(2+) transporter CNNM3. However, the physiological functions of PRL-2 in animals remain largely unknown. To better understand which cell types are associated with PRL-2 function, we characterized its expression in mouse tissues using a PRL-2 beta-galactosidase reporter mouse model. Our results demonstrated that PRL-2 was ubiquitously expressed, with the highest expression levels observed in the hippocampal pyramidal neurons, ependymal cells, cone and rod photoreceptor cells, endocardium, vascular and bronchial smooth muscle, and collecting ducts in the kidney. On the other hand, PRL-2 expression was undetectable or very low in the parenchymal cells of the liver and pancreas. Our results also indicated that PRL-2 is involved in cell-type-specific Mg(2+) homeostasis and that PRL-2 expression is potentially inversely regulated by dietary Mg(2+) levels.
Histochem+Cell+Biol 2016 ; 146 (1): 99-111
