The CK1 family: Contribution to cellular stress response and its role in carcinogenesis

Uwe Knippschild, Marc Krüger, Julia Richter, Pengfei Xu, García-Reyes Balbina García-Reyes, Christian Peifer, Jakob Halekotte, Vasiliy Bakulev, Joachim Bischof

Research output: Contribution to journalReview articlepeer-review

197 Scopus citations


Members of the highly conserved and ubiquitously expressed pleiotropic CK1 family play major regulatory roles in many cellular processes including DNA-processing and repair, proliferation, cytoskeleton dynamics, vesicular trafficking, apoptosis, and cell differentiation. As a consequence of cellular stress conditions, interaction of CK1 with the mitotic spindle is manifold increased pointing to regulatory functions at the mitotic checkpoint. Furthermore, CK1 is able to alter the activity of key proteins in signal transduction and signal integration molecules. In line with this notion, CK1 is tightly connected to the regulation and degradation of ß-catenin, p53, and MDM2. Considering the importance of CK1 for accurate cell division and regulation of tumor suppressor functions, it is not surprising that mutations and alterations in the expression and/or activity of CK1 isoforms are often detected in various tumor entities including cancer of the kidney, choriocarcinomas, breast carcinomas, oral cancer, adenocarcinomas of the pancreas, and ovarian cancer. Therefore, scientific effort has enormously increased (i) to understand the regulation of CK1 and its involvement in tumorigenesis- and tumor progression-related signal transduction pathways and (ii) to develop CK1-specific inhibitors for the use in personalized therapy concepts. In this review, we summarize the current knowledge regarding CK1 regulation, function, and interaction with cellular proteins playing central roles in cellular stress-responses and carcinogenesis.

Original languageEnglish
Article number96
JournalFrontiers in Oncology
Volume4 MAY
StatePublished - 2014
Externally publishedYes


  • Casein kinase 1
  • Cellular stress
  • Centrosome
  • Disease
  • Inhibitor
  • P53
  • Signal transduction
  • Tumorigenesis


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