Abstract: The main method for the treatment of nasopharyngeal cancer is radiotherapy, but it causes some sequelae, and hyposalivation is still a major problem after radiotherapy for head and neck cancer. Xerostomia seriously affects the quality of life of patients. It is important to study the mechanism for preventing and treating xerostomia after radiotherapy.#@#@#摘要: 目前治疗鼻咽癌的主要方式是放疗，但放射治疗会引起一系列的后遗症，部分患者因无法忍受放疗引起的后遗症而终止治疗。鼻咽癌放疗后口干燥症最为常见，极大地影响了患者的生活质量。研究放疗...
