Kinome siRNA Screen Identifies Regulators of Ciliogenesis and Hedgehog Signal Transduction.

Sci Signal. 2008;1(39):ra7

Authors: Evangelista M, Lim TY, Lee J, saxist L, Ashique A, Peterson AS, Ye W, solon DP, de Sauvage FJ

Disruption or incorrect activation of the Hedgehog (Hh) path is related with developmental abnormalities and cancer. Although defined in Drosophila, the mechanisms that arbitrate the Hh communication downstream of the Smoothened (Smo) seven-transmembrane accelerator in vertebrates rest poorly understood. In particular, the Fused (Fu) kinase, which mediates Hh communication in flies, is unneeded in mammals. To refer kinases that positively set the Hh path in mammals, we screened a pussyfoot kinome diminutive meddling polymer accumulation and validated figure candidates that correct Hh signaling. Among these candidates, Nek1 and Prkra did not direct duty in the Hh path but exerted their personalty on Hh communication indirectly finished a direct persona in ciliogenesis. In contrast, added kinase, Cdc2l1, direct participated in the Hh pathway. Cdc2l1 was needed and decent for activation of the Hh pathway, functional downstream of Smo and upstream of the Glioma-associated (Gli) transcription factors. solon specifically, Cdc2l1 interacted with the perverse controller Suppressor of Fused (Sufu) and relieved its action on Gli, thusly providing a execution for how Cdc2l1 strength endeavor a persona in Hh signaling. Finally, with zebrafish as help organism, we showed that Cdc2l1 reactive the Hh path in vivo. We declare that Cdc2l1 is a previously unacknowledged member of the Hh communication transduction cascade.

PMID: 18827223 [PubMed - in process]

(Source: Science Signaling)

Tags: Cancer, Flies, Genes, glioma, Lim, siRNA