Recombinant Human TDO Protein，His

TDO (Tryptophan 2,3-dioxygenase) is an essential enzyme involved in the catabolism of tryptophan, an amino acid that serves as a precursor for several important biomolecules, including serotonin and melatonin. The research on TDO has gained significant attention due to its role in various physiological processes and its implication in numerous diseases, such as cancer, depression, and neurodegenerative disorders. TDO catalyzes the oxidative cleavage of tryptophan into N-formylkynurenine, marking the first step in the kynurenine pathway, which is crucial for regulating immune responses and neuronal health. Abnormal TDO activity is associated with the dysregulation of tryptophan metabolism, leading to altered levels of neuroactive metabolites that can affect mood and cognitive function. Furthermore, the modulation of TDO has emerged as a potential therapeutic target, particularly in oncology, where tumors can exploit tryptophan catabolism to evade immune surveillance. Understanding the structure and function of recombinant TDO proteins enables researchers to develop specific inhibitors and therapeutic strategies aimed at restoring normal metabolic pathways. Additionally, advancements in protein engineering techniques facilitate the production of modified TDO variants with altered catalytic properties, contributing to our knowledge of enzyme function and its implications in health and disease. Consequently, the exploration of TDO not only enhances our understanding of tryptophan metabolism but also opens new avenues for the development of targeted therapies for diverse clinical conditions.