心理行为因素、免疫功能与乳腺癌的相关性研究

Present study consists of two experiments. In the first experiment, the relationship between psycho-behavioral factors, immune function and the stage of breast cancer was investigated. Fifty six postoperated hospitalized breast cancer patients with radiotherapy were used as the subjects. EPQ and MAC questionnaires were used to assess the patients' psycho-behavioral factors. Blood NK activation level and saliva IgA level were determined as the assessment of their immune function. It was found that the late stage breast cancer patients were more stable but more anxious in emotion. Patients with extrovert personality had higher NK activation and higher fighting spirit than did the patients with introvert personality. The patients with more fatalism had higher levels of saliva IgA and NK activation than did the patients with less fatalism. It was also found that the higher the level of saliva IgA, the higher the level of fighting spirit. In the second experiment, the effect of psycho-behavioral intervention on the immune function and the emotional state of these patients was studied. It was found that the psycho-behavioral intervention significantly increased the level of NK activation and tended to decrease the level of anxious preoccupation. The number of the patients who had to use medicine to increase peripheral blood white cells during radiotherapy was significantly decreased in patients with psycho-behavioral therapy when compared with the control group. Collectively, the data suggested that the immune function, cancer stage were related to the patients' psycho-behavioral factors and the psycho-behavioral intervention could improve the patients' immune function and emotional state.