SAND1
SAND1, also known as Spectrin Repeat-Containing Protein 2 (SPRTN2) or GIG3, is a protein encoded by the SPRTN gene in humans. Its precise function is still under investigation, but it is believed to play a role in various cellular processes. Research suggests that SAND1 is involved in DNA repair mechanisms, particularly in the response to DNA damage. It has been observed to interact with other proteins known to be critical for maintaining genome stability. Furthermore, SAND1 has been implicated in cell cycle regulation, potentially influencing the progression of cells through different phases. Some studies also suggest a role in cellular stress responses. The protein's expression levels have been found to vary in different tissues and cell types, hinting at tissue-specific functions. Aberrant expression or mutations in the SPRTN gene have been associated with certain diseases, though the exact nature of these associations requires further research. The protein's structure contains spectrin repeats, which are protein motifs commonly found in cytoskeletal proteins involved in maintaining cell shape and integrity. Ongoing research aims to elucidate the full spectrum of SAND1's biological activities and its contribution to cellular health and disease.