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. 2025 May 1;10(8):2789–2799. doi: 10.1016/j.ekir.2025.04.056

Table 1.

Genetic characteristics of each molecular diagnosis

Molecular diagnosis Gene Inheritance (patient n, %) Truncating variants/ total variants, n (%) Novel variants/ total variants, n (%)
Primary hyperoxaluria
 Type 1 AGXT AR (28, 20%) 12/27 (44%) 12/27 (26%)
 Type 2 GRHPR AR (16, 11%) 4/12 (33%) 4/12 (33%)
 Type 3 HOGA1 AR (34, 24%) 9/22 (41%) 2/22 (9%)
Cystinuria
 Type 1 SLC3A1 AD (4, 3%); AR (22, 16%) 16/33 (49%) 24/33 (73%)
 Type 2 SLC7A9 AD (9, 6%); AR (10, 7%) 9/22 (41%) 13/22 (59%)
Calcium oxalate nephrolithiasis
 Type 1 SLC26A1 AR (4, 3%) 2/7 (29%) 1/7 (14%)
 Type 2 with NC OXGR1 AD (1, 1%) 0/1 (0%) 1/1 (100%)
RHUC, type 2 SLC2A9 AD (3, 2%) 0/3 (0%) 2/3 (67%)
dRTA, type 1 SLC4A1 AD (3, 2%) 0/3 (0%) 1/3 (33%)
APRT APRT AR (1, 1%) 1/1 (100%) 1/1 (100%)
ADHH CASR AD (1, 1%) 0/1 (0%) 0/1 (0%)
FHHNC CLDN16 AR (1, 1%) 1/2 (50%) 1/2 (50%)
Bartter syndrome, type 2 KCNJ1 AR (1, 1%) 0/2 (0%) 2/2 (100%)
HCINF, type 2 SLC34A1 AR (1, 1%) 1/1 (100%) 1/1 (100%)
Xanthinuria, type 1 XDH AR (1, 1%) 0/2 (0%) 0/2 (0%)
HHRH SLC34A3 AR (1, 1%) 0/2 (0%) 1/2 (50%)
Total - AD (21, 15%); AR (120, 85%) 55/141 (39%) 61/141 (43%)

AD, autosomal dominant; ADHH, autosomal-dominant hypocalcemia with hypercalciuria; APRT, adenine phosphoribosyl transferase deficiency; AR, autosomal recessive; DR, digenic recessive; dRTA, distal renal tubular acidosis; FHHNC, familial hypomagnesemia with hypercalciuria and nephrocalcinosis; HCINF, infantile hypercalcemia; HHRH, hereditary hypophosphatemic rickets with hypercalciuria; OMIM, Online Mendelian Inheritance in Man; RHUC, renal hypouricemia.