How Cyclin D–Cdk4/6 makes cancer cells divide

Project 1: Determine the mechanisms Cyclin D-Cdk4/6 uses to drive cell proliferation

NIH-funded research Stanford University · NIH-11294266

This research aims to find how a protein complex called Cyclin D–Cdk4/6 pushes cells to divide, with the goal of helping people whose cancers rely on this pathway such as some breast cancers and acute lymphoblastic leukemia.

Quick facts

Grant typeP01 program project
Study typeNIH-funded research
Funding institutionStanford University NIH-funded
Lab location1 site (Stanford, United States)
Project IDNIH-11294266 on NIH RePORTER

What this research studies

Researchers will map all the proteins that Cyclin D–Cdk4/6 modifies in human cells using chemical-genetic tools and lab assays. They will use biochemistry and structural biology to pinpoint how Cyclin D docks onto the retinoblastoma protein (Rb). Based on that detailed picture, the team will design a tool compound to block the docking interaction and test whether blocking it stops cells from progressing through the cell cycle. All work is done in the lab using cell-based experiments and purified proteins to guide future drug development for cancers with high Cdk4/6 activity.

Who could benefit from this research

Good fit: People with cancers known to depend on Cdk4/6 activity—such as certain breast cancers, acute lymphoblastic leukemia, or neuroblastoma—are the most likely to benefit or be eligible for future therapies based on this work.

Not a fit: Patients whose tumors do not rely on Cyclin D–Cdk4/6 signaling or those with non-cancer conditions are unlikely to benefit directly from this project.

Why it matters

Potential benefit: If successful, this could lead to new therapies that stop tumor cells from dividing in cancers driven by Cyclin D–Cdk4/6.

How similar studies have performed: Existing Cdk4/6 enzyme inhibitors have had clinical success in some breast cancers, but directly blocking the Cyclin D–Rb docking interaction is a newer and less-tested strategy.

Where this research is happening

Stanford, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.