Table 1. Clinical and biological data of 8 boys with DAX-1 mutations.
Cases | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Origin | France | Morocco | Morocco | France | Martinique/Guadeloupe | Martinique/Guadeloupe | France/India | Spain/Guinea |
Age of onset | neonate | neonate | neonate | neonate | neonate | 6 mo | 1.3 yr | 8.7 yr |
Age of diagnosis | neonate | neonate | neonate | neonate | neonate | 3.5 yr | 1.5 yr | 8.7 yr |
First symptoms | vomiting | vomiting,melanodermia | systematic screening | vomiting, hypothermia | vomiting | vomiting, seizures | vomiting, seizures | vomiting, abdominal pain, seizures, melanodermia |
Glucose, mmol/L | 3.6 | 3.3 | 2.3 | NA | NA | 2.8 | 3.5 | 2.9 |
ACTH, pg/mL | 242 | 1500 | 1850 | 120 | 980 | 4000 | 11649 | 405 |
Cortisol, ng/mL | 100 | 43 | 45 | 28 | 166 | 98 | 99 | 225 |
Sodium, mmol/L | 129 | 129 | 138 | 116 | 121 | 119 | 119 | 134 |
Potassium, mmol/L | 7 | 5.5 | 4.3 | 9.6 | 6.8 | 5.7 | 5.2 | 5.8 |
Renin, pg/mL | 90 | 480 | 173.5 | NA | NA | NA | NA | 675 |
Plasma renin activity, ng/mL/h | NA | NA | NA | >100 | 70 | 48 | 23 | NA |
Aldosterone, pg/mL | NA | 7.5 | NA | 30 | 74 | NA | 36 | 42 |
Age of last evaluation, yr | 18.8 | 7.1 | 2 | 17.3 | 18.8 | 21.3 | 16.4 | 29.7 |
Adult height, cm | 169.5 | 173 | 167.5 | 177.5 | 177 | |||
Target height, cm | 175 | 178.5 | 178.5 | 181.5 | 180 | NA | 174 | 177.5 |
Normal Range: Renin, 3–16 pg/mL; Plasma Renin Activity, 0.2–2.80 ng/mL/h and 0.8–8.9 ng/mL/h during the first year of life; Aldosterone: 42–201 pg/mL.
Case 1 has maternal uncle with DAX1 mutation and azoospermia. Case 7 has maternal cousin with DAX1 mutation.
Cases 2 and 3, and 5 and 6 are brothers.
Intra-uterin growth retardation in cases 4 and 7.