In the field of medicine, 5-ALA HCL, a second-generation photosensitizer, is widely used for the diagnosis and treatment of malignant glioma and other diseases. It can selectively accumulate in tumor cells, which can generate a photosensitized reaction after being irradiated with specific wavelength of light, leading to the death or apoptosis of tumor cells, thus achieving precise treatment of tumors. In addition, 5-ALA HCL is also used in the treatment of skin diseases, through photodynamic therapy (PDT) to treat local or systemic skin cancer, bladder cancer, and digestive tract cancer, etc.
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