AT-hook transcription factor AKNA (AKNA)

AT-hook transcription factor AKNA is a nuclear protein characterized by multiple AT-hook motifs that bind AT-rich regions in DNA, regulating transcription of genes involved in immune cell function, inflammatory responses, and cellular differentiation[1][2][4][5]. AKNA is essential for organizing centrosomal microtubules, thereby contributing to neurogenesis and epithelial-mesenchymal transition[2][3]. It is expressed primarily in lymphocytes and neural stem cells, and plays a critical role in regulating genes such as CD40 and CD40L that are central to adaptive immune signaling[2][4][5]. Deficiency or knockout of AKNA in model organisms leads to systemic inflammation, increased neutrophil infiltration, severe lung injury, and developmental abnormalities[1][4][5]. Human genetic variations in AKNA are linked to increased cancer susceptibility (notably cervical cancer), autoimmune disease, and impaired immune regulation[1][5]. There are currently no approved targeted therapies against AKNA, though some experimental agents (like FR900482) inhibit the broader AT-hook protein family[4].

Other names

Microtubule organization protein AKNAKIAA1968AT-hook-containing transcription factorAKNA transcript F2AT-hook transcription factor

DNA binding to AT-rich regions to regulate transcription of target genes (e.g., CD40, CD40L); Recruitment or repression of co-regulator gene networks impacting immune cell differentiation and inflammation