IL2 and Bloom syndrome: When gene set enrichment analyses of the ocular and vascular BS subgroups are reviewed, in addition to the GO terms such as “Immune response,“ “Leukocyte migration,“ and “Leukocyte activation“ which refer to immune responses in general, GO terms such as “Adaptive immune response,“ “Lymphocyte activation,“ “IL‐2 production,” “Lymphocyte differentiation,” and “T cell mediated immunity” which are specifically related to the adaptive immune response were found to show significant enrichment (Table 7).