Related Experiment Video
Updated: Sep 1, 2025

Impedance-based Real-time Measurement of Cancer Cell Migration and Invasion
Published on: April 2, 2020
Knockdown of CKAP2 Inhibits Proliferation, Migration, and Aggregate Formation in Aggressive Breast Cancer
Alexsandro Dos Santos1,2,3, Geneviève Ouellete1,2, Caroline Diorio2,4
1Département de Médecine Moléculaire, Faculté de Médecine, Université Laval, Québec City, QC G1V 0A6, Canada.
Cytoskeleton-associated protein 2 (CKAP2) is overexpressed in invasive breast cancer (BC) and linked to poorer survival. CKAP2 knockdown impairs BC cell proliferation and migration, highlighting its role in tumorigenesis.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Mitotic dysregulation is a hallmark of cancer, leading to aneuploidy.
- Identifying key mitotic regulators is crucial for understanding cancer development.
Purpose of the Study:
- To identify novel mitotic regulators in breast cancer (BC).
- To investigate the role of cytoskeleton-associated protein 2 (CKAP2) in BC progression and its potential as a prognostic marker.
Main Methods:
- Analysis of a patient-derived BC gene-expression dataset.
- Human transcriptome analysis of breast lesions.
- CKAP2 gene knockdown in SKBR3 cells.
- Cell proliferation, migration, and 3D aggregate formation assays.
Main Results:
- CKAP2 is overexpressed in invasive BC compared to normal tissues and across all BC subtypes.
- Higher CKAP2 expression correlates with worse overall and relapse-free survival in ER-positive, HER2-negative BC patients.
- CKAP2 knockdown reduced cell proliferation, migration, and 3D aggregate formation in vitro.
Conclusions:
- CKAP2 is an important mitotic regulator in invasive breast cancer.
- CKAP2 shows potential utility as a prognostic marker for BC patients.
Related Concept Videos
Inhibition of Cdk Activity
Cancer Cell Migration through Invadopodia
Interactions Between Signaling Pathways
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
Anaphase Promoting Complex
Abnormal Proliferation
M-Cdk Drives Transition Into Mitosis
Cyclin-dependent kinases, or Cdks, work in concert with cyclins to control cell cycle transitions. M-Cdk, a complex of Cdk1 bound to M cyclin, is a well-known example of this coordinated control that drives the transition from the G2 to the M phase.
M cyclin...

