How cells build and control a key enzyme that regulates protein phosphorylation

Protein Phosphatase 1 Holoenzyme Formation

['FUNDING_R01'] · UNIVERSITY OF CONNECTICUT SCH OF MED/DNT · NIH-11169775

This work looks at how two helper proteins assemble and control a central enzyme involved in phosphorylation, with relevance to cancers and future treatments for people affected by them.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF CONNECTICUT SCH OF MED/DNT (nih funded)
Locations1 site (FARMINGTON, UNITED STATES)
Trial IDNIH-11169775 on ClinicalTrials.gov

What this research studies

Researchers will study two regulator proteins (SDS22 and Inhibitor-3) that guide the formation and activity of Protein Phosphatase 1 (PP1), a major enzyme that removes phosphate tags from other proteins. The team will use biochemical experiments and cell models, including insights from yeast and mammalian cells, to map how these helpers bind and control PP1. They will track where and when PP1 is active inside cells and how misregulation could contribute to disease processes like cancer. Results aim to clarify the mechanisms by which phosphorylation balance is maintained and how its disruption leads to pathology.

Who could benefit from this research

Good fit: People with cancer—especially tumors thought to involve abnormal phosphorylation signaling—or patients willing to donate tumor samples for basic research may eventually be relevant to this work.

Not a fit: Patients looking for immediate treatment changes or those with conditions unrelated to phosphorylation or cancer are unlikely to receive direct benefit from this basic laboratory research.

Why it matters

Potential benefit: If successful, this research could reveal new molecular targets or strategies for therapies or diagnostics in cancers driven by phosphorylation dysregulation.

How similar studies have performed: Related biochemical and cell-biology studies have uncovered important cancer mechanisms and drug targets, but the specific roles and mechanisms of SDS22 and Inhibitor-3 remain largely untested and novel.

Where this research is happening

FARMINGTON, 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.

View on NIH RePORTER →

Conditions: Cancers

Last reviewed 2026-05-15 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.