Recombinant Human KAAG1 protein

Supplementary information

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

The K antigen A1 glycoprotein commonly referred to as KAAG1 is a protein with an approximate mass of 20 kDa. KAAG1 predominantly expresses in testicular tissue but it also shows presence in various cancer tissues indicating a potential role as a cancer-testis antigen. It is localized on the cell membrane and due to its selective expression pattern KAAG1 becomes an intriguing target for research especially in the context of cancer immunotherapy.

Biological function summary

KAAG1 involves itself in cellular proliferation mechanisms. It does not always act as an isolated protein but may form part of larger complexes that influence cell growth and division processes. The specific effects of KAAG1 on these cellular activities mark a significant area of study particularly due to its restricted expression pattern in normal versus cancerous tissues. This delineation suggests a possible utility in targeting KAAG1 for therapeutic benefits without affecting normal cells.

Pathways

KAAG1 interacts within cell signaling and regulatory pathways that control cell growth. It associates with pathways such as the mitogen-activated protein kinase (MAPK) pathway which impacts proliferation and differentiation. KAAG1’s involvement with the MAPK pathway highlights its potential interactions with proteins like ERK1/2 which are important for signal transduction and cellular responses. Understanding these interactions enables researchers to comprehend how aberrant KAAG1 expression can contribute to tumor growth.

KAAG1 finds relevance in certain cancers and is implicated in tumorigenesis processes. High expression of KAAG1 has been observed in malignant melanoma aligning it with cancer-specific proteins such as MAGE-A1 that are similarly expressed in tumors but not in most normal tissues. The connection between KAAG1 and these proteins suggests pathways through which KAAG1 may influence disease development. This makes KAAG1 a target of considerable interest in the development of diagnostic and therapeutic strategies against cancers.