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. 2016 Mar;137(3):940–942.e4. doi: 10.1016/j.jaci.2015.08.049

Table E2.

X-inactivation studies of the 3 generations in the family

Relationship AR (CAG)n
HpaII
AR (CAG)n
+HpaII
Conclusion
Son (grandson) 272 NA High-risk X-chromosome
Mother of grandson Whole blood 272, 292
T cells 272, 292
272, 292
272
Nonrandom X- inactivation in T cells
Grandfather 272 High-risk X-chromosome