Related Experiment Video
Updated: Apr 17, 2026

Visualization of G3BP Stress Granules Dynamics in Live Primary Cells
Published on: May 21, 2014
The multiple cellular functions of the oncoprotein Golgi phosphoprotein 3
Stefano Sechi1, Anna Frappaolo1, Giorgio Belloni2
1Istituto di Biologia e Patologia Molecolari del CNR, Dipartimento di Biologia e Biotecnologie, Sapienza Università di Roma, 00185 Roma, Italy.
Golgi phosphoprotein 3 (GOLPH3) is a Golgi oncoprotein amplified in many cancers, linked to poor prognosis. Understanding its molecular pathways is key for developing new cancer therapies.
Area of Science:
- Molecular Biology
- Cell Biology
- Oncology
Background:
- Golgi phosphoprotein 3 (GOLPH3) is a conserved protein functioning in vesicle trafficking and Golgi structure.
- GOLPH3 is identified as a Phosphatidylinositol 4-phosphate [PI(4)P] effector and a Golgi oncoprotein.
- Amplification of GOLPH3 is common in solid tumors and correlates with poor cancer prognosis.
Purpose of the Study:
- To explore the molecular pathways involving the Golgi oncoprotein GOLPH3.
- To provide a comprehensive understanding of GOLPH3's role in cancer progression.
- To identify potential therapeutic targets based on GOLPH3's function.
Main Methods:
- Literature review of existing studies on GOLPH3.
- Analysis of GOLPH3's role in cellular processes like vesicle trafficking, cytokinesis, and DNA damage response.
- Investigation of GOLPH3's association with tumor amplification and patient prognosis.
Main Results:
- GOLPH3 plays a critical role in maintaining Golgi structure and vesicle transport.
- GOLPH3 is implicated in cytokinesis, mitochondrial mass regulation, and DNA damage response.
- GOLPH3 amplification is a significant biomarker for poor prognosis in various cancers.
Conclusions:
- GOLPH3 is a crucial oncoprotein with diverse roles in cancer development and progression.
- Further elucidation of GOLPH3's molecular mechanisms is essential for novel cancer therapeutic strategies.
- Targeting GOLPH3 may offer a promising avenue for improving cancer treatment outcomes.
More Related Videos
09:40Author Spotlight: Unveiling the Role of TMOD3 in Platinum Resistance and Immune Infiltration in Ovarian Cancer
Published on: August 2, 2024
13:51Detection of Small GTPase Prenylation and GTP Binding Using Membrane Fractionation and GTPase-linked Immunosorbent Assay
Published on: November 11, 2018
Related Concept Videos
Golgi Matrix Proteins
One of the first identified Golgi matrix proteins was GM130, a rod-like protein located in the cis-Golgi. Subsequently, many Golgi...
GTPases and their Regulation
GTPases and their Regulation
Large G-proteins,...
IP3/DAG Signaling Pathway
Coat Assembly and GTPases
Coat assembly depends on the local availability of phosphatidylinositol phosphates or PIPs and GTP-binding proteins. Adaptor proteins, which link the coat proteins to the membrane, bind to these PIPs and play a crucial role in controlling...
Activation and Inactivation of G Proteins