Anti-Gli1 antibody

Supplementary info

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

Activity summary

The Gli1 protein also known as GLI family zinc finger 1 acts mechanically as a transcription factor influencing gene expression. It comprises five C2H2-type zinc fingers enabling specific DNA binding activities. Gli1 has a molecular weight of approximately 118 kDa. Expression occurs prominently in skin brain and bone tissues. As an important effector in the Hedgehog (Hh) signaling pathway Gli1 transmits signals from the cell membrane to the nucleus.

Biological function summary

Gli1 functions to regulate cellular proliferation differentiation and survival. As part of the Gli protein family Gli1 operates in concert with other members such as Gli2 and Gli3 though it lacks significant repressor activity unlike some of its counterparts. It acts prominently in developmental processes controlling the expression of genes critical for embryogenesis. Gli1 also maintains stem cell populations and sustains tissue homeostasis in adults particularly in contexts where rapid cell division is necessary like wound healing.

Pathways

Gli1 plays a substantial role in the Hedgehog signaling pathway and interacts dynamically with this system. It receives upstream activation from the Smoothened protein which conveys signals in response to Hedgehog ligand availability. Additionally the Gli1 pathway overlaps with WNT signaling during various developmental stages. Through these interactions Gli1 coordinates tightly with other proteins to effect changes in target gene transcription that influence cell fate decisions.

Associated diseases and disorders

Aberrant Gli1 activity associates strongly with certain cancers such as basal cell carcinoma and medulloblastoma. Persistent activation of the Hedgehog pathway often due to mutations in related proteins like Patched or Smoothened leads to excessive Gli1 activation and subsequent tumorigenesis. Beyond oncology Gli1's dysregulation also connects with congenital disorders such as Gorlin syndrome. Here mutations influence a broad network of genes that often include members of the Gli family causing developmental anomalies.