Exclusion of the nuclear factor kappa B 3 ( REL A ) gene as candidate for the multiple endocrine neoplasia type 1 ( MEN 1 ) gene . ^^^ The gene encoding the p 65 subunit ( NF kappa B3 / REL A ) was recently localized in the 900 kb MEN 1 region and was considered a good candidate gene for MEN 1 . ^^^ |