Anti-MED26 antibody [2216C1a]

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

MED26 also known as Mediator of RNA polymerase II transcription subunit 26 is a component of the human Mediator complex. This protein has a molecular mass of approximately 61 kDa and plays a central role in transcription regulation. MED26 is expressed across a range of tissues with notable expression in those with high transcriptional activity such as liver and brain. Its expression profile indicates a role in modulating gene expression where there is a high demand for transcription regulation.

Biological function summary

MED26 interacts within the larger Mediator complex which mediates the transmission of information from gene-specific regulatory proteins to the basal RNA polymerase II transcription machinery. Within this complex MED26 facilitates the recruitment of RNA polymerase II and general transcription factors to gene promoters effectively bridging enhancers and transcription initiation sites. MED26's interactions allow it to play a critical function in gene expression by influencing mRNA synthesis and subsequent protein production.

Pathways

MED26 plays a significant role in transcriptional regulation pathways particularly those involving RNA polymerase II. The protein collaborates closely with other Mediator subunits such as CDK8 and MED1 to regulate transcription. MED26-associated pathways influence cell growth differentiation and response to external signals. Their involvement is important in ensuring precise transcriptional control impacting numerous biological processes through accurate gene expression regulation.

MED26 has been implicated in certain cancers and developmental conditions. Aberrations in MED26 function can disrupt normal transcription regulation potentially leading to tumorigenesis through unchecked cell proliferation or evasion of apoptotic pathways. In cancer dysregulated MED26 may interact with proteins like MYC or WNT which are central to oncogenic processes. Similarly mutations in MED26 can contribute to developmental disorders by interfering with important developmental gene expression programs. These connections highlight the importance of MED26's regulation and activity in maintaining cellular and organismal homeostasis.