Related Experiment Video
Updated: Dec 9, 2025

Identification of Nucleolar Factors During HIV-1 Replication Through Rev Immunoprecipitation and Mass Spectrometry
Published on: June 26, 2019
BARMR1/FAM92A1, a novel gene encoding BAR domain protein with multi-functions
Xu Zhi Ruan1, Xin Rong Guo1, Xuan Bin Wang2
1HubeiKeyLaboratoryof Embryonic Stem Cell Research, College of Basic Medicine, Hubei University of Medicine, Shiyan 442000, China.
BAR domain-containing protein 1 (BARMR1/FAM92A1) influences development and cancer. Its location dictates function, impacting ciliogenesis or promoting tumor cell growth and malignancy.
Area of Science:
- Molecular Biology
- Cell Biology
- Developmental Biology
Background:
- BARMR1/FAM92A1 encodes a novel BAR domain protein.
- This protein is crucial during embryonic development and highly expressed in tumor cells.
- Mutations or deletions are linked to developmental disorders, while overexpression correlates with poor cancer prognosis.
Purpose of the Study:
- To investigate the biological functions of BARMR1/FAM92A1.
- To understand how its subcellular localization influences protein interactions and cellular processes.
- To explore its role in both normal development and tumor progression.
Main Methods:
- Subcellular localization studies.
- Protein-protein interaction assays.
- Analysis of BARMR1/FAM92A1 expression in developmental and tumor contexts.
Main Results:
- BARMR1/FAM92A1 localization determines its function.
- Colocalization with CBY at centrioles/basal bodies facilitates ciliogenesis.
- Nuclear interaction with GAL1 promotes tumor cell proliferation, migration, and malignancy.
Conclusions:
- BARMR1/FAM92A1 plays dual roles dependent on its cellular compartment.
- It is essential for normal development via ciliogenesis.
- It drives cancer progression by promoting proliferation and migration, representing a potential therapeutic target.
Related Concept Videos
Protein Complexes with Interchangeable Parts
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order...
Conservation of Protein Domains Over Different Proteins
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to...
Multi-pass Transmembrane Proteins and β-barrels
α-Helix containing multi-pass transmembrane proteins
Multi-pass transmembrane proteins such as...
Rab Proteins
Rab proteins switch between a cytosolic, GDP-bound inactive state and a membrane-anchored, GTP-bound active state. By themselves, Rabs show slow rates of GDP/GTP exchange and GTP hydrolysis. Thus, Rab proteins are considered...
Assembly of Signaling Complexes
Interaction domains in cell signaling
Interaction domains recognize exposed features of their binding partners containing post-translationally modified sequences,...
Protein Families

