Compared to patients without de novo AT1R-Ab, those with de novo AT1R-Ab had a lower mean BMI (21.4 ± 1.8 vs. 23.3 ± 2.9 kg/m2, p = 0.06), a longer period on dialysis before KT (33 (4.5–90.7) vs. 15 months (1.3–30.7), p = 0.12)) and a higher percentage of ≥4 HLA-MM (50% vs. 22.7%, p = 0.08). The gene discussed is AGTR1; the disease is Miyoshi myopathy.