TRX1(Thioredoxin 1) also known as TXN is a crucial redox protein that plays a significant role in cellular processes by maintaining the redox balance within cells. TRX1 is primarily located in the cytoplasm but can also be found in the nucleus and mitochondria, highlighting versatility in cellular functions. TRX1 presence in these locations is vital for protecting cells from oxidative stress, as TRX1 helps to reduce disulfide bonds in proteins, thereby maintaining their functional state. Additionally, TRX1 is involved in regulating various signaling pathways and transcription factors, which are essential for cell growth and survival. TRX1 interaction with other proteins, such as Thioredoxin Reductase (TrxR), further emphasizes importance in cellular redox homeostasis and potential implications in diseases, including cancer, where TRX1 overexpression can contribute to tumor progression and resistance to therapy.