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1.  The cyclin-dependent kinase PITSLRE/CDK11 is required for successful autophagy 
Autophagy  2011;7(11):1295-1301.
(Macro)autophagy is a membrane-trafficking process that serves to sequester cellular constituents in organelles termed autophagosomes, which target their degradation in the lysosome. Autophagy operates at basal levels in all cells where it serves as a homeostatic mechanism to maintain cellular integrity. The levels and cargoes of autophagy can, however, change in response to a variety of stimuli, and perturbations in autophagy are known to be involved in the etiology of various human diseases. Autophagy must therefore be tightly controlled. We report here that the Drosophila cyclindependent kinase PITSLRE is a modulator of autophagy. Loss of the human PITSLRE ortholog, CDK11, initially appears to induce autophagy, but at later time points CDK11 is critically required for autophagic flux and cargo digestion. Since PITSLRE/CDK11 regulates autophagy in both Drosophila and human cells, this kinase represents a novel phylogenetically conserved component of the autophagy machinery.
doi:10.4161/auto.7.11.16646
PMCID: PMC3242795  PMID: 21808150
PITSLRE; CDK11; cyclin-dependent kinase; autophagy; human; Drosophila

Results 1-1 (1)