Can HLA b27 change from negative to positive?

Related questions

1. How is celiac disease inherited?
2. Why MHC is called HLA?
3. What does HLA positive mean?
4. What are the 3 antigen presenting cells?
5. What are HLA dq2 and HLA dq8?
6. What is HLA DR antibodies?
7. What is the purpose of humoral immunity?
8. What are the 4 types of immunity?
9. Is there any cure for celiac?
10. What does a positive celiac blood test mean?

Tags

1. #being
2. #polymerase
3. #results
4. #antigenic
5. #typing
6. #chain
7. #patients
8. #individuals
9. #interpreted
10. #serologically
11. #false
12. #positive
13. #detected
14. #altered
15. #epitopes
16. #negative
17. #however
18. #serological
19. #reaction