Genetic Factors
•
U
no direct evidence in humans
•
U
those that inherit certain MHC alleles have higher probability of
developing diseases
•
HLA allele
•
Disease
•
Relative risk
•
NOTE:
Relative risk is the
A
times higher
@
the risk
compared to normal population
•
DR4
•
B27
•
DR2
•
DR3
•
DR3/DQW8
•
pemphigus vulgaris -
•
blistering skin disorder
•
5
•
Ankylosing spondylitis
•
90
•
Goodpasture
=
s syndrome
•
16
•
Myasthenia gravis
•
10
•
Diabetes mellitus
•
100