( a ) the lower threshold of os thyroid epithelial cells for the gamma-interferon-induced mhc class ii antigen expression as compared to normal controls , ( b ) the decreased glucocorticoid tonus of the os and ( c ) the presence of a new endogenous virus ( ev 22 ) locus in the os that has so far not been found in any normal strain and which seems to influence the glucocorticoid-mediated immunoregulatory process .
C0007634
the
C1708726
locus