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What are the causes of lupus erythematosus?

2017-09-03 16:52

This disease lupus believe we have heard about, but I am afraid not many people know the cause of lupus triggered, in order to avoid the occurrence of this disease, we have to be prepared in their daily lives. So what is the cause of lupus erythematosus in the end?

1, when a family member suffering from systemic lupus erythematosus, lupus erythematosus other members are the increased incidence, the incidence of certain ethnic significantly higher than other ethnic groups, such as the high incidence of black people lupus erythematosus In the general population of 3 times; human genetic research found that: some human leukocyte antigen (hla) and the cause of systemic lupus erythematosus. Genetic factors as an internal cause, but also some external factors may be involved in lupus erythematosus.

2, the cause of lupus erythematosus and age and gender is also a certain relationship. SLE occurs in young women, the incidence of lupus in women of reproductive age 9-13 times higher than their male counterparts, but before puberty and after menopause women erythematosus prevalence is low, only slightly higher than men The Through extensive research confirms that estrogen plays an important role in the etiology of systemic lupus erythematosus, can inhibit immune cells and increase the formation of autoantibodies.

3, about 40% of lupus patients are exposed to sunlight or ultraviolet, visible facial butterfly erythema worse, or new lesions, or make systemic lupus erythematosus symptoms, a phenomenon known as light-sensitive. Sulfonamides, tetracycline and other drugs can induce light sensitivity, it will enhance the effect of ultraviolet light. Therefore, the etiology of lupus erythematosus and environmental factors are also linked.

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