Recombinant Human CST1 Protein，His

CST1 (Cystatin S, also known as Cystatin SN) is a member of the cystatin family of cysteine proteinase inhibitors, playing a crucial role in the regulation of proteolytic enzymes involved in various biological processes. The research on CST1 has gained significant attention due to its potential implications in health and disease, particularly in relation to inflammation, cancer, and neurodegenerative disorders. Abnormal expression levels of CST1 have been linked to various pathological conditions, making it a promising biomarker for diagnostic and therapeutic purposes. Moreover, CST1's ability to inhibit cysteine proteases, such as cathepsins, which are implicated in the degradation of extracellular matrix components and modulation of immune responses, further highlights its importance in maintaining tissue homeostasis and regulating immune functions. Recent studies have focused on developing recombinant CST1 protein to investigate its structural properties and functional roles in disease mechanisms. This research involves various biochemical and molecular techniques, aiming to elucidate the role of CST1 in modulating protease activity and its potential therapeutic applications, including the design of CST1-based inhibitors. Understanding the comprehensive biological functions and clinical relevance of CST1 through recombinant protein studies may pave the way for innovative strategies to address diseases associated with cysteine protease dysregulation.