Huntingtin-Interacting Protein 1 (HIP1) Antibody – Rabbit Polyclonal

The product of this gene is a membrane-associated protein that functions in clathrin-mediated endocytosis and protein trafficking within the cell. The encoded protein binds to the huntingtin protein in the brain; this interaction is lost in Huntington's disease. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2013]

HIP1: Plays a role in clathrin-mediated endocytosis and trafficking. Involved in regulating AMPA receptor trafficking in the central nervous system in an NMDA-dependent manner. Enhances androgen receptor (AR)-mediated transcription. May act as a proapoptotic protein that induces cell death by acting through the intrinsic apoptosis pathway. Binds 3-phosphoinositides (via ENTH domain). May act through the ENTH domain to promote cell survival by stabilizing receptor tyrosine kinases following ligand-induced endocytosis. May play a functional role in the cell filament networks. May be required for differentiation, proliferation, and/or survival of somatic and germline progenitors. A chromosomal aberration involving HIP1 is found in a form of chronic myelomonocytic leukemia (CMML). Translocation t(5;7)(q33;q11.2) with PDGFRB. The chimeric HIP1-PDGFRB transcript results from an in-frame fusion of the two genes. The reciprocal PDGFRB-HIP1 transcript is not expressed. Belongs to the SLA2 family. 2 isoforms of the human protein are produced by alternative splicing.

Protein type: Apoptosis; Cytoskeletal

Chromosomal Location of Human Ortholog: 7q11.23

Cellular Component: clathrin coated vesicle membrane; clathrin-coated vesicle; cytoplasm; cytoskeleton; Golgi apparatus; intracellular membrane-bound organelle; membrane; nucleus

Molecular Function: actin binding; clathrin binding; phosphoinositide binding; protein binding; structural constituent of cytoskeleton

Biological Process: apoptosis; caspase activation; cell differentiation; clathrin cage assembly; positive regulation of receptor-mediated endocytosis; regulation of apoptosis; regulation of transcription, DNA-dependent; transcription, DNA-dependent

Disease: Prostate Cancer